m4trace:/usr/share/aclocal/ltargz.m4:12: -1- AC_DEFUN([LT_FUNC_ARGZ], [
AC_CHECK_HEADERS([argz.h], [], [], [AC_INCLUDES_DEFAULT])

AC_CHECK_TYPES([error_t],
  [],
  [AC_DEFINE([error_t], [int],
   [Define to a type to use for 'error_t' if it is not otherwise available.])
   AC_DEFINE([__error_t_defined], [1], [Define so that glibc/gnulib argp.h
    does not typedef error_t.])],
  [#if defined(HAVE_ARGZ_H)
#  include <argz.h>
#endif])

LT_ARGZ_H=
AC_CHECK_FUNCS([argz_add argz_append argz_count argz_create_sep argz_insert \
	argz_next argz_stringify], [], [LT_ARGZ_H=lt__argz.h; AC_LIBOBJ([lt__argz])])

dnl if have system argz functions, allow forced use of
dnl libltdl-supplied implementation (and default to do so
dnl on "known bad" systems). Could use a runtime check, but
dnl (a) detecting malloc issues is notoriously unreliable
dnl (b) only known system that declares argz functions,
dnl     provides them, yet they are broken, is cygwin
dnl     releases prior to 16-Mar-2007 (1.5.24 and earlier)
dnl So, it's more straightforward simply to special case
dnl this for known bad systems.
AS_IF([test -z "$LT_ARGZ_H"],
    [AC_CACHE_CHECK(
        [if argz actually works],
        [lt_cv_sys_argz_works],
        [[case $host_os in #(
	 *cygwin*)
	   lt_cv_sys_argz_works=no
	   if test no != "$cross_compiling"; then
	     lt_cv_sys_argz_works="guessing no"
	   else
	     lt_sed_extract_leading_digits='s/^\([0-9\.]*\).*/\1/'
	     save_IFS=$IFS
	     IFS=-.
	     set x `uname -r | sed -e "$lt_sed_extract_leading_digits"`
	     IFS=$save_IFS
	     lt_os_major=${2-0}
	     lt_os_minor=${3-0}
	     lt_os_micro=${4-0}
	     if test 1 -lt "$lt_os_major" \
		|| { test 1 -eq "$lt_os_major" \
		  && { test 5 -lt "$lt_os_minor" \
		    || { test 5 -eq "$lt_os_minor" \
		      && test 24 -lt "$lt_os_micro"; }; }; }; then
	       lt_cv_sys_argz_works=yes
	     fi
	   fi
	   ;; #(
	 *) lt_cv_sys_argz_works=yes ;;
	 esac]])
     AS_IF([test yes = "$lt_cv_sys_argz_works"],
        [AC_DEFINE([HAVE_WORKING_ARGZ], 1,
                   [This value is set to 1 to indicate that the system argz facility works])],
        [LT_ARGZ_H=lt__argz.h
        AC_LIBOBJ([lt__argz])])])

AC_SUBST([LT_ARGZ_H])
])
m4trace:/usr/share/aclocal/ltdl.m4:16: -1- AC_DEFUN([LT_CONFIG_LTDL_DIR], [AC_BEFORE([$0], [LTDL_INIT])
_$0($*)
])
m4trace:/usr/share/aclocal/ltdl.m4:68: -1- AC_DEFUN([LTDL_CONVENIENCE], [AC_BEFORE([$0], [LTDL_INIT])dnl
dnl Although the argument is deprecated and no longer documented,
dnl LTDL_CONVENIENCE used to take a DIRECTORY orgument, if we have one
dnl here make sure it is the same as any other declaration of libltdl's
dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
_$0()
])
m4trace:/usr/share/aclocal/ltdl.m4:81: -1- AU_DEFUN([AC_LIBLTDL_CONVENIENCE], [_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_CONVENIENCE])
m4trace:/usr/share/aclocal/ltdl.m4:81: -1- AC_DEFUN([AC_LIBLTDL_CONVENIENCE], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBLTDL_CONVENIENCE' is obsolete.
You should run autoupdate.])dnl
_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_CONVENIENCE])
m4trace:/usr/share/aclocal/ltdl.m4:124: -1- AC_DEFUN([LTDL_INSTALLABLE], [AC_BEFORE([$0], [LTDL_INIT])dnl
dnl Although the argument is deprecated and no longer documented,
dnl LTDL_INSTALLABLE used to take a DIRECTORY orgument, if we have one
dnl here make sure it is the same as any other declaration of libltdl's
dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
_$0()
])
m4trace:/usr/share/aclocal/ltdl.m4:137: -1- AU_DEFUN([AC_LIBLTDL_INSTALLABLE], [_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_INSTALLABLE])
m4trace:/usr/share/aclocal/ltdl.m4:137: -1- AC_DEFUN([AC_LIBLTDL_INSTALLABLE], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBLTDL_INSTALLABLE' is obsolete.
You should run autoupdate.])dnl
_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_INSTALLABLE])
m4trace:/usr/share/aclocal/ltdl.m4:213: -1- AC_DEFUN([_LT_LIBOBJ], [
  m4_pattern_allow([^_LT_LIBOBJS$])
  _LT_LIBOBJS="$_LT_LIBOBJS $1.$ac_objext"
])
m4trace:/usr/share/aclocal/ltdl.m4:226: -1- AC_DEFUN([LTDL_INIT], [dnl Parse OPTIONS
_LT_SET_OPTIONS([$0], [$1])

dnl We need to keep our own list of libobjs separate from our parent project,
dnl and the easiest way to do that is redefine the AC_LIBOBJs macro while
dnl we look for our own LIBOBJs.
m4_pushdef([AC_LIBOBJ], m4_defn([_LT_LIBOBJ]))
m4_pushdef([AC_LIBSOURCES])

dnl If not otherwise defined, default to the 1.5.x compatible subproject mode:
m4_if(_LTDL_MODE, [],
        [m4_define([_LTDL_MODE], m4_default([$2], [subproject]))
        m4_if([-1], [m4_bregexp(_LTDL_MODE, [\(subproject\|\(non\)?recursive\)])],
                [m4_fatal([unknown libltdl mode: ]_LTDL_MODE)])])

AC_ARG_WITH([included_ltdl],
    [AS_HELP_STRING([--with-included-ltdl],
                    [use the GNU ltdl sources included here])])

if test yes != "$with_included_ltdl"; then
  # We are not being forced to use the included libltdl sources, so
  # decide whether there is a useful installed version we can use.
  AC_CHECK_HEADER([ltdl.h],
      [AC_CHECK_DECL([lt_dlinterface_register],
	   [AC_CHECK_LIB([ltdl], [lt_dladvise_preload],
	       [with_included_ltdl=no],
	       [with_included_ltdl=yes])],
	   [with_included_ltdl=yes],
	   [AC_INCLUDES_DEFAULT
	    #include <ltdl.h>])],
      [with_included_ltdl=yes],
      [AC_INCLUDES_DEFAULT]
  )
fi

dnl If neither LT_CONFIG_LTDL_DIR, LTDL_CONVENIENCE nor LTDL_INSTALLABLE
dnl was called yet, then for old times' sake, we assume libltdl is in an
dnl eponymous directory:
AC_PROVIDE_IFELSE([LT_CONFIG_LTDL_DIR], [], [_LT_CONFIG_LTDL_DIR([libltdl])])

AC_ARG_WITH([ltdl_include],
    [AS_HELP_STRING([--with-ltdl-include=DIR],
                    [use the ltdl headers installed in DIR])])

if test -n "$with_ltdl_include"; then
  if test -f "$with_ltdl_include/ltdl.h"; then :
  else
    AC_MSG_ERROR([invalid ltdl include directory: '$with_ltdl_include'])
  fi
else
  with_ltdl_include=no
fi

AC_ARG_WITH([ltdl_lib],
    [AS_HELP_STRING([--with-ltdl-lib=DIR],
                    [use the libltdl.la installed in DIR])])

if test -n "$with_ltdl_lib"; then
  if test -f "$with_ltdl_lib/libltdl.la"; then :
  else
    AC_MSG_ERROR([invalid ltdl library directory: '$with_ltdl_lib'])
  fi
else
  with_ltdl_lib=no
fi

case ,$with_included_ltdl,$with_ltdl_include,$with_ltdl_lib, in
  ,yes,no,no,)
	m4_case(m4_default(_LTDL_TYPE, [convenience]),
	    [convenience], [_LTDL_CONVENIENCE],
	    [installable], [_LTDL_INSTALLABLE],
	  [m4_fatal([unknown libltdl build type: ]_LTDL_TYPE)])
	;;
  ,no,no,no,)
	# If the included ltdl is not to be used, then use the
	# preinstalled libltdl we found.
	AC_DEFINE([HAVE_LTDL], [1],
	  [Define this if a modern libltdl is already installed])
	LIBLTDL=-lltdl
	LTDLDEPS=
	LTDLINCL=
	;;
  ,no*,no,*)
	AC_MSG_ERROR(['--with-ltdl-include' and '--with-ltdl-lib' options must be used together])
	;;
  *)	with_included_ltdl=no
	LIBLTDL="-L$with_ltdl_lib -lltdl"
	LTDLDEPS=
	LTDLINCL=-I$with_ltdl_include
	;;
esac
INCLTDL=$LTDLINCL

# Report our decision...
AC_MSG_CHECKING([where to find libltdl headers])
AC_MSG_RESULT([$LTDLINCL])
AC_MSG_CHECKING([where to find libltdl library])
AC_MSG_RESULT([$LIBLTDL])

_LTDL_SETUP

dnl restore autoconf definition.
m4_popdef([AC_LIBOBJ])
m4_popdef([AC_LIBSOURCES])

AC_CONFIG_COMMANDS_PRE([
    _ltdl_libobjs=
    _ltdl_ltlibobjs=
    if test -n "$_LT_LIBOBJS"; then
      # Remove the extension.
      _lt_sed_drop_objext='s/\.o$//;s/\.obj$//'
      for i in `for i in $_LT_LIBOBJS; do echo "$i"; done | sed "$_lt_sed_drop_objext" | sort -u`; do
        _ltdl_libobjs="$_ltdl_libobjs $lt_libobj_prefix$i.$ac_objext"
        _ltdl_ltlibobjs="$_ltdl_ltlibobjs $lt_libobj_prefix$i.lo"
      done
    fi
    AC_SUBST([ltdl_LIBOBJS], [$_ltdl_libobjs])
    AC_SUBST([ltdl_LTLIBOBJS], [$_ltdl_ltlibobjs])
])

# Only expand once:
m4_define([LTDL_INIT])
])
m4trace:/usr/share/aclocal/ltdl.m4:352: -1- AU_DEFUN([AC_LIB_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:352: -1- AC_DEFUN([AC_LIB_LTDL], [AC_DIAGNOSE([obsolete], [The macro `AC_LIB_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:353: -1- AU_DEFUN([AC_WITH_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:353: -1- AC_DEFUN([AC_WITH_LTDL], [AC_DIAGNOSE([obsolete], [The macro `AC_WITH_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:354: -1- AU_DEFUN([LT_WITH_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:354: -1- AC_DEFUN([LT_WITH_LTDL], [AC_DIAGNOSE([obsolete], [The macro `LT_WITH_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:367: -1- AC_DEFUN([_LTDL_SETUP], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([LT_SYS_MODULE_EXT])dnl
AC_REQUIRE([LT_SYS_MODULE_PATH])dnl
AC_REQUIRE([LT_SYS_DLSEARCH_PATH])dnl
AC_REQUIRE([LT_LIB_DLLOAD])dnl
AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl
AC_REQUIRE([LT_FUNC_DLSYM_USCORE])dnl
AC_REQUIRE([LT_SYS_DLOPEN_DEPLIBS])dnl
AC_REQUIRE([LT_FUNC_ARGZ])dnl

m4_require([_LT_CHECK_OBJDIR])dnl
m4_require([_LT_HEADER_DLFCN])dnl
m4_require([_LT_CHECK_DLPREOPEN])dnl
m4_require([_LT_DECL_SED])dnl

dnl Don't require this, or it will be expanded earlier than the code
dnl that sets the variables it relies on:
_LT_ENABLE_INSTALL

dnl _LTDL_MODE specific code must be called at least once:
_LTDL_MODE_DISPATCH

# In order that ltdl.c can compile, find out the first AC_CONFIG_HEADERS
# the user used.  This is so that ltdl.h can pick up the parent projects
# config.h file, The first file in AC_CONFIG_HEADERS must contain the
# definitions required by ltdl.c.
# FIXME: Remove use of undocumented AC_LIST_HEADERS (2.59 compatibility).
AC_CONFIG_COMMANDS_PRE([dnl
m4_pattern_allow([^LT_CONFIG_H$])dnl
m4_ifset([AH_HEADER],
    [LT_CONFIG_H=AH_HEADER],
    [m4_ifset([AC_LIST_HEADERS],
	    [LT_CONFIG_H=`echo "AC_LIST_HEADERS" | $SED 's|^[[      ]]*||;s|[[ :]].*$||'`],
	[])])])
AC_SUBST([LT_CONFIG_H])

AC_CHECK_HEADERS([unistd.h dl.h sys/dl.h dld.h mach-o/dyld.h dirent.h],
	[], [], [AC_INCLUDES_DEFAULT])

AC_CHECK_FUNCS([closedir opendir readdir], [], [AC_LIBOBJ([lt__dirent])])
AC_CHECK_FUNCS([strlcat strlcpy], [], [AC_LIBOBJ([lt__strl])])

m4_pattern_allow([LT_LIBEXT])dnl
AC_DEFINE_UNQUOTED([LT_LIBEXT],["$libext"],[The archive extension])

name=
eval "lt_libprefix=\"$libname_spec\""
m4_pattern_allow([LT_LIBPREFIX])dnl
AC_DEFINE_UNQUOTED([LT_LIBPREFIX],["$lt_libprefix"],[The archive prefix])

name=ltdl
eval "LTDLOPEN=\"$libname_spec\""
AC_SUBST([LTDLOPEN])
])
m4trace:/usr/share/aclocal/ltdl.m4:443: -1- AC_DEFUN([LT_SYS_DLOPEN_DEPLIBS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
  [lt_cv_sys_dlopen_deplibs],
  [# PORTME does your system automatically load deplibs for dlopen?
  # or its logical equivalent (e.g. shl_load for HP-UX < 11)
  # For now, we just catch OSes we know something about -- in the
  # future, we'll try test this programmatically.
  lt_cv_sys_dlopen_deplibs=unknown
  case $host_os in
  aix3*|aix4.1.*|aix4.2.*)
    # Unknown whether this is true for these versions of AIX, but
    # we want this 'case' here to explicitly catch those versions.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  aix[[4-9]]*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  amigaos*)
    case $host_cpu in
    powerpc)
      lt_cv_sys_dlopen_deplibs=no
      ;;
    esac
    ;;
  bitrig*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  darwin*)
    # Assuming the user has installed a libdl from somewhere, this is true
    # If you are looking for one http://www.opendarwin.org/projects/dlcompat
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  freebsd* | dragonfly*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  gnu* | linux* | k*bsd*-gnu | kopensolaris*-gnu)
    # GNU and its variants, using gnu ld.so (Glibc)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  hpux10*|hpux11*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  interix*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  irix[[12345]]*|irix6.[[01]]*)
    # Catch all versions of IRIX before 6.2, and indicate that we don't
    # know how it worked for any of those versions.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  irix*)
    # The case above catches anything before 6.2, and it's known that
    # at 6.2 and later dlopen does load deplibs.
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  netbsd* | netbsdelf*-gnu)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  openbsd*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  osf[[1234]]*)
    # dlopen did load deplibs (at least at 4.x), but until the 5.x series,
    # it did *not* use an RPATH in a shared library to find objects the
    # library depends on, so we explicitly say 'no'.
    lt_cv_sys_dlopen_deplibs=no
    ;;
  osf5.0|osf5.0a|osf5.1)
    # dlopen *does* load deplibs and with the right loader patch applied
    # it even uses RPATH in a shared library to search for shared objects
    # that the library depends on, but there's no easy way to know if that
    # patch is installed.  Since this is the case, all we can really
    # say is unknown -- it depends on the patch being installed.  If
    # it is, this changes to 'yes'.  Without it, it would be 'no'.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  osf*)
    # the two cases above should catch all versions of osf <= 5.1.  Read
    # the comments above for what we know about them.
    # At > 5.1, deplibs are loaded *and* any RPATH in a shared library
    # is used to find them so we can finally say 'yes'.
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  qnx*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  solaris*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
    libltdl_cv_sys_dlopen_deplibs=yes
    ;;
  esac
  ])
if test yes != "$lt_cv_sys_dlopen_deplibs"; then
 AC_DEFINE([LTDL_DLOPEN_DEPLIBS], [1],
    [Define if the OS needs help to load dependent libraries for dlopen().])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:545: -1- AU_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], [m4_if($#, 0, [LT_SYS_DLOPEN_DEPLIBS], [LT_SYS_DLOPEN_DEPLIBS($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:545: -1- AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_SYS_DLOPEN_DEPLIBS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLOPEN_DEPLIBS], [LT_SYS_DLOPEN_DEPLIBS($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:552: -1- AC_DEFUN([LT_SYS_MODULE_EXT], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([what extension is used for runtime loadable modules],
  [libltdl_cv_shlibext],
[
module=yes
eval libltdl_cv_shlibext=$shrext_cmds
module=no
eval libltdl_cv_shrext=$shrext_cmds
  ])
if test -n "$libltdl_cv_shlibext"; then
  m4_pattern_allow([LT_MODULE_EXT])dnl
  AC_DEFINE_UNQUOTED([LT_MODULE_EXT], ["$libltdl_cv_shlibext"],
    [Define to the extension used for runtime loadable modules, say, ".so".])
fi
if test "$libltdl_cv_shrext" != "$libltdl_cv_shlibext"; then
  m4_pattern_allow([LT_SHARED_EXT])dnl
  AC_DEFINE_UNQUOTED([LT_SHARED_EXT], ["$libltdl_cv_shrext"],
    [Define to the shared library suffix, say, ".dylib".])
fi
if test -n "$shared_archive_member_spec"; then
  m4_pattern_allow([LT_SHARED_LIB_MEMBER])dnl
  AC_DEFINE_UNQUOTED([LT_SHARED_LIB_MEMBER], ["($shared_archive_member_spec.o)"],
    [Define to the shared archive member specification, say "(shr.o)".])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:580: -1- AU_DEFUN([AC_LTDL_SHLIBEXT], [m4_if($#, 0, [LT_SYS_MODULE_EXT], [LT_SYS_MODULE_EXT($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:580: -1- AC_DEFUN([AC_LTDL_SHLIBEXT], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_SHLIBEXT' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_MODULE_EXT], [LT_SYS_MODULE_EXT($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:587: -1- AC_DEFUN([LT_SYS_MODULE_PATH], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([what variable specifies run-time module search path],
  [lt_cv_module_path_var], [lt_cv_module_path_var=$shlibpath_var])
if test -n "$lt_cv_module_path_var"; then
  m4_pattern_allow([LT_MODULE_PATH_VAR])dnl
  AC_DEFINE_UNQUOTED([LT_MODULE_PATH_VAR], ["$lt_cv_module_path_var"],
    [Define to the name of the environment variable that determines the run-time module search path.])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:599: -1- AU_DEFUN([AC_LTDL_SHLIBPATH], [m4_if($#, 0, [LT_SYS_MODULE_PATH], [LT_SYS_MODULE_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:599: -1- AC_DEFUN([AC_LTDL_SHLIBPATH], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_SHLIBPATH' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_MODULE_PATH], [LT_SYS_MODULE_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:606: -1- AC_DEFUN([LT_SYS_DLSEARCH_PATH], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([for the default library search path],
  [lt_cv_sys_dlsearch_path],
  [lt_cv_sys_dlsearch_path=$sys_lib_dlsearch_path_spec])
if test -n "$lt_cv_sys_dlsearch_path"; then
  sys_dlsearch_path=
  for dir in $lt_cv_sys_dlsearch_path; do
    if test -z "$sys_dlsearch_path"; then
      sys_dlsearch_path=$dir
    else
      sys_dlsearch_path=$sys_dlsearch_path$PATH_SEPARATOR$dir
    fi
  done
  m4_pattern_allow([LT_DLSEARCH_PATH])dnl
  AC_DEFINE_UNQUOTED([LT_DLSEARCH_PATH], ["$sys_dlsearch_path"],
    [Define to the system default library search path.])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:627: -1- AU_DEFUN([AC_LTDL_SYSSEARCHPATH], [m4_if($#, 0, [LT_SYS_DLSEARCH_PATH], [LT_SYS_DLSEARCH_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:627: -1- AC_DEFUN([AC_LTDL_SYSSEARCHPATH], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_SYSSEARCHPATH' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLSEARCH_PATH], [LT_SYS_DLSEARCH_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:653: -1- AC_DEFUN([LT_LIB_DLLOAD], [m4_pattern_allow([^LT_DLLOADERS$])
LT_DLLOADERS=
AC_SUBST([LT_DLLOADERS])

AC_LANG_PUSH([C])
lt_dlload_save_LIBS=$LIBS

LIBADD_DLOPEN=
AC_SEARCH_LIBS([dlopen], [dl],
	[AC_DEFINE([HAVE_LIBDL], [1],
		   [Define if you have the libdl library or equivalent.])
	if test "$ac_cv_search_dlopen" != "none required"; then
	  LIBADD_DLOPEN=-ldl
	fi
	libltdl_cv_lib_dl_dlopen=yes
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
    [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if HAVE_DLFCN_H
#  include <dlfcn.h>
#endif
    ]], [[dlopen(0, 0);]])],
	    [AC_DEFINE([HAVE_LIBDL], [1],
		       [Define if you have the libdl library or equivalent.])
	    libltdl_cv_func_dlopen=yes
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
	[AC_CHECK_LIB([svld], [dlopen],
		[AC_DEFINE([HAVE_LIBDL], [1],
			 [Define if you have the libdl library or equivalent.])
	        LIBADD_DLOPEN=-lsvld libltdl_cv_func_dlopen=yes
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"])])])
if test yes = "$libltdl_cv_func_dlopen" || test yes = "$libltdl_cv_lib_dl_dlopen"
then
  lt_save_LIBS=$LIBS
  LIBS="$LIBS $LIBADD_DLOPEN"
  AC_CHECK_FUNCS([dlerror])
  LIBS=$lt_save_LIBS
fi
AC_SUBST([LIBADD_DLOPEN])

LIBADD_SHL_LOAD=
AC_CHECK_FUNC([shl_load],
	[AC_DEFINE([HAVE_SHL_LOAD], [1],
		   [Define if you have the shl_load function.])
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"],
    [AC_CHECK_LIB([dld], [shl_load],
	    [AC_DEFINE([HAVE_SHL_LOAD], [1],
		       [Define if you have the shl_load function.])
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"
	    LIBADD_SHL_LOAD=-ldld])])
AC_SUBST([LIBADD_SHL_LOAD])

case $host_os in
darwin[[1567]].*)
# We only want this for pre-Mac OS X 10.4.
  AC_CHECK_FUNC([_dyld_func_lookup],
	[AC_DEFINE([HAVE_DYLD], [1],
		   [Define if you have the _dyld_func_lookup function.])
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dyld.la"])
  ;;
beos*)
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}load_add_on.la"
  ;;
cygwin* | mingw* | pw32*)
  AC_CHECK_DECLS([cygwin_conv_path], [], [], [[#include <sys/cygwin.h>]])
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}loadlibrary.la"
  ;;
esac

AC_CHECK_LIB([dld], [dld_link],
	[AC_DEFINE([HAVE_DLD], [1],
		   [Define if you have the GNU dld library.])
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dld_link.la"])
AC_SUBST([LIBADD_DLD_LINK])

m4_pattern_allow([^LT_DLPREOPEN$])
LT_DLPREOPEN=
if test -n "$LT_DLLOADERS"
then
  for lt_loader in $LT_DLLOADERS; do
    LT_DLPREOPEN="$LT_DLPREOPEN-dlpreopen $lt_loader "
  done
  AC_DEFINE([HAVE_LIBDLLOADER], [1],
            [Define if libdlloader will be built on this platform])
fi
AC_SUBST([LT_DLPREOPEN])

dnl This isn't used anymore, but set it for backwards compatibility
LIBADD_DL="$LIBADD_DLOPEN $LIBADD_SHL_LOAD"
AC_SUBST([LIBADD_DL])

LIBS=$lt_dlload_save_LIBS
AC_LANG_POP
])
m4trace:/usr/share/aclocal/ltdl.m4:748: -1- AU_DEFUN([AC_LTDL_DLLIB], [m4_if($#, 0, [LT_LIB_DLLOAD], [LT_LIB_DLLOAD($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:748: -1- AC_DEFUN([AC_LTDL_DLLIB], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_DLLIB' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_LIB_DLLOAD], [LT_LIB_DLLOAD($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:756: -1- AC_DEFUN([LT_SYS_SYMBOL_USCORE], [m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
AC_CACHE_CHECK([for _ prefix in compiled symbols],
  [lt_cv_sys_symbol_underscore],
  [lt_cv_sys_symbol_underscore=no
  cat > conftest.$ac_ext <<_LT_EOF
void nm_test_func(){}
int main(){nm_test_func;return 0;}
_LT_EOF
  if AC_TRY_EVAL(ac_compile); then
    # Now try to grab the symbols.
    ac_nlist=conftest.nm
    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
      # See whether the symbols have a leading underscore.
      if grep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
        lt_cv_sys_symbol_underscore=yes
      else
        if grep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
	  :
        else
	  echo "configure: cannot find nm_test_func in $ac_nlist" >&AS_MESSAGE_LOG_FD
        fi
      fi
    else
      echo "configure: cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
    fi
  else
    echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
    cat conftest.c >&AS_MESSAGE_LOG_FD
  fi
  rm -rf conftest*
  ])
  sys_symbol_underscore=$lt_cv_sys_symbol_underscore
  AC_SUBST([sys_symbol_underscore])
])
m4trace:/usr/share/aclocal/ltdl.m4:793: -1- AU_DEFUN([AC_LTDL_SYMBOL_USCORE], [m4_if($#, 0, [LT_SYS_SYMBOL_USCORE], [LT_SYS_SYMBOL_USCORE($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:793: -1- AC_DEFUN([AC_LTDL_SYMBOL_USCORE], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_SYMBOL_USCORE' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_SYMBOL_USCORE], [LT_SYS_SYMBOL_USCORE($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:800: -1- AC_DEFUN([LT_FUNC_DLSYM_USCORE], [AC_REQUIRE([_LT_COMPILER_PIC])dnl	for lt_prog_compiler_wl
AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl	for lt_cv_sys_symbol_underscore
AC_REQUIRE([LT_SYS_MODULE_EXT])dnl	for libltdl_cv_shlibext
if test yes = "$lt_cv_sys_symbol_underscore"; then
  if test yes = "$libltdl_cv_func_dlopen" || test yes = "$libltdl_cv_lib_dl_dlopen"; then
    AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
      [libltdl_cv_need_uscore],
      [libltdl_cv_need_uscore=unknown
      dlsym_uscore_save_LIBS=$LIBS
      LIBS="$LIBS $LIBADD_DLOPEN"
      libname=conftmod # stay within 8.3 filename limits!
      cat >$libname.$ac_ext <<_LT_EOF
[#line $LINENO "configure"
#include "confdefs.h"
/* When -fvisibility=hidden is used, assume the code has been annotated
   correspondingly for the symbols needed.  */
#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
int fnord () __attribute__((visibility("default")));
#endif
int fnord () { return 42; }]
_LT_EOF

      # ltfn_module_cmds module_cmds
      # Execute tilde-delimited MODULE_CMDS with environment primed for
      # $module_cmds or $archive_cmds type content.
      ltfn_module_cmds ()
      {( # subshell avoids polluting parent global environment
          module_cmds_save_ifs=$IFS; IFS='~'
          for cmd in @S|@1; do
            IFS=$module_cmds_save_ifs
            libobjs=$libname.$ac_objext; lib=$libname$libltdl_cv_shlibext
            rpath=/not-exists; soname=$libname$libltdl_cv_shlibext; output_objdir=.
            major=; versuffix=; verstring=; deplibs=
            ECHO=echo; wl=$lt_prog_compiler_wl; allow_undefined_flag=
            eval $cmd
          done
          IFS=$module_cmds_save_ifs
      )}

      # Compile a loadable module using libtool macro expansion results.
      $CC $pic_flag -c $libname.$ac_ext
      ltfn_module_cmds "${module_cmds:-$archive_cmds}"

      # Try to fetch fnord with dlsym().
      libltdl_dlunknown=0; libltdl_dlnouscore=1; libltdl_dluscore=2
      cat >conftest.$ac_ext <<_LT_EOF
[#line $LINENO "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#include <stdio.h>
#ifndef RTLD_GLOBAL
#  ifdef DL_GLOBAL
#    define RTLD_GLOBAL DL_GLOBAL
#  else
#    define RTLD_GLOBAL 0
#  endif
#endif
#ifndef RTLD_NOW
#  ifdef DL_NOW
#    define RTLD_NOW DL_NOW
#  else
#    define RTLD_NOW 0
#  endif
#endif
int main () {
  void *handle = dlopen ("`pwd`/$libname$libltdl_cv_shlibext", RTLD_GLOBAL|RTLD_NOW);
  int status = $libltdl_dlunknown;
  if (handle) {
    if (dlsym (handle, "fnord"))
      status = $libltdl_dlnouscore;
    else {
      if (dlsym (handle, "_fnord"))
        status = $libltdl_dluscore;
      else
	puts (dlerror ());
    }
    dlclose (handle);
  } else
    puts (dlerror ());
  return status;
}]
_LT_EOF
      if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
        (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
        libltdl_status=$?
        case x$libltdl_status in
          x$libltdl_dlnouscore) libltdl_cv_need_uscore=no ;;
	  x$libltdl_dluscore) libltdl_cv_need_uscore=yes ;;
	  x*) libltdl_cv_need_uscore=unknown ;;
        esac
      fi
      rm -rf conftest* $libname*
      LIBS=$dlsym_uscore_save_LIBS
    ])
  fi
fi

if test yes = "$libltdl_cv_need_uscore"; then
  AC_DEFINE([NEED_USCORE], [1],
    [Define if dlsym() requires a leading underscore in symbol names.])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:907: -1- AU_DEFUN([AC_LTDL_DLSYM_USCORE], [m4_if($#, 0, [LT_FUNC_DLSYM_USCORE], [LT_FUNC_DLSYM_USCORE($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:907: -1- AC_DEFUN([AC_LTDL_DLSYM_USCORE], [AC_DIAGNOSE([obsolete], [The macro `AC_LTDL_DLSYM_USCORE' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_FUNC_DLSYM_USCORE], [LT_FUNC_DLSYM_USCORE($@)])])
m4trace:/usr/share/aclocal/size_max.m4:9: -1- AC_DEFUN([gl_SIZE_MAX], [
  AC_CHECK_HEADERS([stdint.h])
  dnl First test whether the system already has SIZE_MAX.
  AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [
    gl_cv_size_max=
    AC_EGREP_CPP([Found it], [
#include <limits.h>
#if HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef SIZE_MAX
Found it
#endif
], [gl_cv_size_max=yes])
    if test -z "$gl_cv_size_max"; then
      dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
      dnl than the type 'unsigned long'. Try hard to find a definition that can
      dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
      AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
        [#include <stddef.h>
#include <limits.h>], [size_t_bits_minus_1=])
      AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
        [#include <stddef.h>], [fits_in_uint=])
      if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
        if test $fits_in_uint = 1; then
          dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
          dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
          AC_COMPILE_IFELSE(
            [AC_LANG_PROGRAM(
               [[#include <stddef.h>
                 extern size_t foo;
                 extern unsigned long foo;
               ]],
               [[]])],
            [fits_in_uint=0])
        fi
        dnl We cannot use 'expr' to simplify this expression, because 'expr'
        dnl works only with 'long' integers in the host environment, while we
        dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
        if test $fits_in_uint = 1; then
          gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
        else
          gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
        fi
      else
        dnl Shouldn't happen, but who knows...
        gl_cv_size_max='((size_t)~(size_t)0)'
      fi
    fi
  ])
  if test "$gl_cv_size_max" != yes; then
    AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
      [Define as the maximum value of type 'size_t', if the system doesn't define it.])
  fi
  dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after
  dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with
  dnl #define by AC_DEFINE_UNQUOTED.
  AH_VERBATIM([SIZE_MAX],
[/* Define as the maximum value of type 'size_t', if the system doesn't define
   it. */
#ifndef SIZE_MAX
# undef SIZE_MAX
#endif])
])
m4trace:/usr/share/aclocal-1.16/amversion.m4:14: -1- AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version='1.16'
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
dnl require some minimum version.  Point them to the right macro.
m4_if([$1], [1.16.1], [],
      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
])
m4trace:/usr/share/aclocal-1.16/amversion.m4:33: -1- AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], [AM_AUTOMAKE_VERSION([1.16.1])dnl
m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
m4trace:/usr/share/aclocal-1.16/auxdir.m4:47: -1- AC_DEFUN([AM_AUX_DIR_EXPAND], [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Expand $ac_aux_dir to an absolute path.
am_aux_dir=`cd "$ac_aux_dir" && pwd`
])
m4trace:/usr/share/aclocal-1.16/cond.m4:12: -1- AC_DEFUN([AM_CONDITIONAL], [AC_PREREQ([2.52])dnl
 m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
AC_SUBST([$1_TRUE])dnl
AC_SUBST([$1_FALSE])dnl
_AM_SUBST_NOTMAKE([$1_TRUE])dnl
_AM_SUBST_NOTMAKE([$1_FALSE])dnl
m4_define([_AM_COND_VALUE_$1], [$2])dnl
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi
AC_CONFIG_COMMANDS_PRE(
[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  AC_MSG_ERROR([[conditional "$1" was never defined.
Usually this means the macro was only invoked conditionally.]])
fi])])
m4trace:/usr/share/aclocal-1.16/depend.m4:26: -1- AC_DEFUN([_AM_DEPENDENCIES], [AC_REQUIRE([AM_SET_DEPDIR])dnl
AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
AC_REQUIRE([AM_MAKE_INCLUDE])dnl
AC_REQUIRE([AM_DEP_TRACK])dnl

m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
                    [depcc="$$1"   am_compiler_list=])

AC_CACHE_CHECK([dependency style of $depcc],
               [am_cv_$1_dependencies_compiler_type],
[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  # We make a subdir and do the tests there.  Otherwise we can end up
  # making bogus files that we don't know about and never remove.  For
  # instance it was reported that on HP-UX the gcc test will end up
  # making a dummy file named 'D' -- because '-MD' means "put the output
  # in D".
  rm -rf conftest.dir
  mkdir conftest.dir
  # Copy depcomp to subdir because otherwise we won't find it if we're
  # using a relative directory.
  cp "$am_depcomp" conftest.dir
  cd conftest.dir
  # We will build objects and dependencies in a subdirectory because
  # it helps to detect inapplicable dependency modes.  For instance
  # both Tru64's cc and ICC support -MD to output dependencies as a
  # side effect of compilation, but ICC will put the dependencies in
  # the current directory while Tru64 will put them in the object
  # directory.
  mkdir sub

  am_cv_$1_dependencies_compiler_type=none
  if test "$am_compiler_list" = ""; then
     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
  fi
  am__universal=false
  m4_case([$1], [CC],
    [case " $depcc " in #(
     *\ -arch\ *\ -arch\ *) am__universal=true ;;
     esac],
    [CXX],
    [case " $depcc " in #(
     *\ -arch\ *\ -arch\ *) am__universal=true ;;
     esac])

  for depmode in $am_compiler_list; do
    # Setup a source with many dependencies, because some compilers
    # like to wrap large dependency lists on column 80 (with \), and
    # we should not choose a depcomp mode which is confused by this.
    #
    # We need to recreate these files for each test, as the compiler may
    # overwrite some of them when testing with obscure command lines.
    # This happens at least with the AIX C compiler.
    : > sub/conftest.c
    for i in 1 2 3 4 5 6; do
      echo '#include "conftst'$i'.h"' >> sub/conftest.c
      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
      # Solaris 10 /bin/sh.
      echo '/* dummy */' > sub/conftst$i.h
    done
    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf

    # We check with '-c' and '-o' for the sake of the "dashmstdout"
    # mode.  It turns out that the SunPro C++ compiler does not properly
    # handle '-M -o', and we need to detect this.  Also, some Intel
    # versions had trouble with output in subdirs.
    am__obj=sub/conftest.${OBJEXT-o}
    am__minus_obj="-o $am__obj"
    case $depmode in
    gcc)
      # This depmode causes a compiler race in universal mode.
      test "$am__universal" = false || continue
      ;;
    nosideeffect)
      # After this tag, mechanisms are not by side-effect, so they'll
      # only be used when explicitly requested.
      if test "x$enable_dependency_tracking" = xyes; then
	continue
      else
	break
      fi
      ;;
    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
      # This compiler won't grok '-c -o', but also, the minuso test has
      # not run yet.  These depmodes are late enough in the game, and
      # so weak that their functioning should not be impacted.
      am__obj=conftest.${OBJEXT-o}
      am__minus_obj=
      ;;
    none) break ;;
    esac
    if depmode=$depmode \
       source=sub/conftest.c object=$am__obj \
       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
         >/dev/null 2>conftest.err &&
       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
      # icc doesn't choke on unknown options, it will just issue warnings
      # or remarks (even with -Werror).  So we grep stderr for any message
      # that says an option was ignored or not supported.
      # When given -MP, icc 7.0 and 7.1 complain thusly:
      #   icc: Command line warning: ignoring option '-M'; no argument required
      # The diagnosis changed in icc 8.0:
      #   icc: Command line remark: option '-MP' not supported
      if (grep 'ignoring option' conftest.err ||
          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
        am_cv_$1_dependencies_compiler_type=$depmode
        break
      fi
    fi
  done

  cd ..
  rm -rf conftest.dir
else
  am_cv_$1_dependencies_compiler_type=none
fi
])
AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
AM_CONDITIONAL([am__fastdep$1], [
  test "x$enable_dependency_tracking" != xno \
  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
])
m4trace:/usr/share/aclocal-1.16/depend.m4:163: -1- AC_DEFUN([AM_SET_DEPDIR], [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
])
m4trace:/usr/share/aclocal-1.16/depend.m4:171: -1- AC_DEFUN([AM_DEP_TRACK], [AC_ARG_ENABLE([dependency-tracking], [dnl
AS_HELP_STRING(
  [--enable-dependency-tracking],
  [do not reject slow dependency extractors])
AS_HELP_STRING(
  [--disable-dependency-tracking],
  [speeds up one-time build])])
if test "x$enable_dependency_tracking" != xno; then
  am_depcomp="$ac_aux_dir/depcomp"
  AMDEPBACKSLASH='\'
  am__nodep='_no'
fi
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
AC_SUBST([AMDEPBACKSLASH])dnl
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
AC_SUBST([am__nodep])dnl
_AM_SUBST_NOTMAKE([am__nodep])dnl
])
m4trace:/usr/share/aclocal-1.16/depout.m4:11: -1- AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], [{
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
  # TODO: see whether this extra hack can be removed once we start
  # requiring Autoconf 2.70 or later.
  AS_CASE([$CONFIG_FILES],
          [*\'*], [eval set x "$CONFIG_FILES"],
          [*], [set x $CONFIG_FILES])
  shift
  # Used to flag and report bootstrapping failures.
  am_rc=0
  for am_mf
  do
    # Strip MF so we end up with the name of the file.
    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
    # Check whether this is an Automake generated Makefile which includes
    # dependency-tracking related rules and includes.
    # Grep'ing the whole file directly is not great: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
      || continue
    am_dirpart=`AS_DIRNAME(["$am_mf"])`
    am_filepart=`AS_BASENAME(["$am_mf"])`
    AM_RUN_LOG([cd "$am_dirpart" \
      && sed -e '/# am--include-marker/d' "$am_filepart" \
        | $MAKE -f - am--depfiles]) || am_rc=$?
  done
  if test $am_rc -ne 0; then
    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
    for automatic dependency tracking.  Try re-running configure with the
    '--disable-dependency-tracking' option to at least be able to build
    the package (albeit without support for automatic dependency tracking).])
  fi
  AS_UNSET([am_dirpart])
  AS_UNSET([am_filepart])
  AS_UNSET([am_mf])
  AS_UNSET([am_rc])
  rm -f conftest-deps.mk
}
])
m4trace:/usr/share/aclocal-1.16/depout.m4:62: -1- AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
m4trace:/usr/share/aclocal-1.16/init.m4:29: -1- AC_DEFUN([AM_INIT_AUTOMAKE], [AC_PREREQ([2.65])dnl
dnl Autoconf wants to disallow AM_ names.  We explicitly allow
dnl the ones we care about.
m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
AC_REQUIRE([AC_PROG_INSTALL])dnl
if test "`cd $srcdir && pwd`" != "`pwd`"; then
  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  # is not polluted with repeated "-I."
  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  # test to see if srcdir already configured
  if test -f $srcdir/config.status; then
    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  fi
fi

# test whether we have cygpath
if test -z "$CYGPATH_W"; then
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    CYGPATH_W='cygpath -w'
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    CYGPATH_W=echo
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fi
AC_SUBST([CYGPATH_W])

# Define the identity of the package.
dnl Distinguish between old-style and new-style calls.
m4_ifval([$2],
[AC_DIAGNOSE([obsolete],
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m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 AC_SUBST([PACKAGE], [$1])dnl
 AC_SUBST([VERSION], [$2])],
[_AM_SET_OPTIONS([$1])dnl
dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
m4_if(
  m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
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  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl

_AM_IF_OPTION([no-define],,
[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl

# Some tools Automake needs.
AC_REQUIRE([AM_SANITY_CHECK])dnl
AC_REQUIRE([AC_ARG_PROGRAM])dnl
AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
AM_MISSING_PROG([AUTOCONF], [autoconf])
AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
AM_MISSING_PROG([AUTOHEADER], [autoheader])
AM_MISSING_PROG([MAKEINFO], [makeinfo])
AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
# For better backward compatibility.  To be removed once Automake 1.9.x
# dies out for good.  For more background, see:
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
# We need awk for the "check" target (and possibly the TAP driver).  The
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AC_REQUIRE([AC_PROG_AWK])dnl
AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AM_SET_LEADING_DOT])dnl
_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
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_AM_IF_OPTION([no-dependencies],,
[AC_PROVIDE_IFELSE([AC_PROG_CC],
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AC_PROVIDE_IFELSE([AC_PROG_CXX],
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AC_PROVIDE_IFELSE([AC_PROG_OBJC],
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AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
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])
AC_REQUIRE([AM_SILENT_RULES])dnl
dnl The testsuite driver may need to know about EXEEXT, so add the
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AC_CONFIG_COMMANDS_PRE(dnl
[m4_provide_if([_AM_COMPILER_EXEEXT],
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# POSIX will say in a future version that running "rm -f" with no argument
# is OK; and we want to be able to make that assumption in our Makefile
# recipes.  So use an aggressive probe to check that the usage we want is
# actually supported "in the wild" to an acceptable degree.
# See automake bug#10828.
# To make any issue more visible, cause the running configure to be aborted
# by default if the 'rm' program in use doesn't match our expectations; the
# user can still override this though.
if rm -f && rm -fr && rm -rf; then : OK; else
  cat >&2 <<'END'
Oops!

Your 'rm' program seems unable to run without file operands specified
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to the behaviour of most rm programs out there, and not conforming with
the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>

Please tell bug-automake@gnu.org about your system, including the value
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END
  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
    echo 'Configuration will proceed anyway, since you have set the' >&2
    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
    echo >&2
  else
    cat >&2 <<'END'
Aborting the configuration process, to ensure you take notice of the issue.

You can download and install GNU coreutils to get an 'rm' implementation
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If you want to complete the configuration process using your problematic
'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
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END
    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  fi
fi
dnl The trailing newline in this macro's definition is deliberate, for
dnl backward compatibility and to allow trailing 'dnl'-style comments
dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
])
m4trace:/usr/share/aclocal-1.16/init.m4:186: -1- AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], [# Compute $1's index in $config_headers.
_am_arg=$1
_am_stamp_count=1
for _am_header in $config_headers :; do
  case $_am_header in
    $_am_arg | $_am_arg:* )
      break ;;
    * )
      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  esac
done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
m4trace:/usr/share/aclocal-1.16/install-sh.m4:11: -1- AC_DEFUN([AM_PROG_INSTALL_SH], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
if test x"${install_sh+set}" != xset; then
  case $am_aux_dir in
  *\ * | *\	*)
    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  *)
    install_sh="\${SHELL} $am_aux_dir/install-sh"
  esac
fi
AC_SUBST([install_sh])])
m4trace:/usr/share/aclocal-1.16/lead-dot.m4:10: -1- AC_DEFUN([AM_SET_LEADING_DOT], [rm -rf .tst 2>/dev/null
mkdir .tst 2>/dev/null
if test -d .tst; then
  am__leading_dot=.
else
  am__leading_dot=_
fi
rmdir .tst 2>/dev/null
AC_SUBST([am__leading_dot])])
m4trace:/usr/share/aclocal-1.16/make.m4:13: -1- AC_DEFUN([AM_MAKE_INCLUDE], [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
cat > confinc.mk << 'END'
am__doit:
	@echo this is the am__doit target >confinc.out
.PHONY: am__doit
END
am__include="#"
am__quote=
# BSD make does it like this.
echo '.include "confinc.mk" # ignored' > confmf.BSD
# Other make implementations (GNU, Solaris 10, AIX) do it like this.
echo 'include confinc.mk # ignored' > confmf.GNU
_am_result=no
for s in GNU BSD; do
  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
      ['0:this is the am__doit target'],
      [AS_CASE([$s],
          [BSD], [am__include='.include' am__quote='"'],
          [am__include='include' am__quote=''])])
  if test "$am__include" != "#"; then
    _am_result="yes ($s style)"
    break
  fi
done
rm -f confinc.* confmf.*
AC_MSG_RESULT([${_am_result}])
AC_SUBST([am__include])])
m4trace:/usr/share/aclocal-1.16/make.m4:42: -1- m4_pattern_allow([^am__quote$])
m4trace:/usr/share/aclocal-1.16/missing.m4:11: -1- AC_DEFUN([AM_MISSING_PROG], [AC_REQUIRE([AM_MISSING_HAS_RUN])
$1=${$1-"${am_missing_run}$2"}
AC_SUBST($1)])
m4trace:/usr/share/aclocal-1.16/missing.m4:20: -1- AC_DEFUN([AM_MISSING_HAS_RUN], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
if test x"${MISSING+set}" != xset; then
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    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  *)
    MISSING="\${SHELL} $am_aux_dir/missing" ;;
  esac
fi
# Use eval to expand $SHELL
if eval "$MISSING --is-lightweight"; then
  am_missing_run="$MISSING "
else
  am_missing_run=
  AC_MSG_WARN(['missing' script is too old or missing])
fi
])
m4trace:/usr/share/aclocal-1.16/options.m4:11: -1- AC_DEFUN([_AM_MANGLE_OPTION], [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
m4trace:/usr/share/aclocal-1.16/options.m4:17: -1- AC_DEFUN([_AM_SET_OPTION], [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
m4trace:/usr/share/aclocal-1.16/options.m4:23: -1- AC_DEFUN([_AM_SET_OPTIONS], [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
m4trace:/usr/share/aclocal-1.16/options.m4:29: -1- AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:12: -1- AC_DEFUN([_AM_PROG_CC_C_O], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([compile])dnl
AC_LANG_PUSH([C])dnl
AC_CACHE_CHECK(
  [whether $CC understands -c and -o together],
  [am_cv_prog_cc_c_o],
  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
  # Make sure it works both with $CC and with simple cc.
  # Following AC_PROG_CC_C_O, we do the test twice because some
  # compilers refuse to overwrite an existing .o file with -o,
  # though they will create one.
  am_cv_prog_cc_c_o=yes
  for am_i in 1 2; do
    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
         && test -f conftest2.$ac_objext; then
      : OK
    else
      am_cv_prog_cc_c_o=no
      break
    fi
  done
  rm -f core conftest*
  unset am_i])
if test "$am_cv_prog_cc_c_o" != yes; then
   # Losing compiler, so override with the script.
   # FIXME: It is wrong to rewrite CC.
   # But if we don't then we get into trouble of one sort or another.
   # A longer-term fix would be to have automake use am__CC in this case,
   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
   CC="$am_aux_dir/compile $CC"
fi
AC_LANG_POP([C])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:47: -1- AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
m4trace:/usr/share/aclocal-1.16/runlog.m4:12: -1- AC_DEFUN([AM_RUN_LOG], [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   (exit $ac_status); }])
m4trace:/usr/share/aclocal-1.16/sanity.m4:11: -1- AC_DEFUN([AM_SANITY_CHECK], [AC_MSG_CHECKING([whether build environment is sane])
# Reject unsafe characters in $srcdir or the absolute working directory
# name.  Accept space and tab only in the latter.
am_lf='
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case `pwd` in
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    AC_MSG_ERROR([unsafe absolute working directory name]);;
esac
case $srcdir in
  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
esac

# Do 'set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   am_has_slept=no
   for am_try in 1 2; do
     echo "timestamp, slept: $am_has_slept" > conftest.file
     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
     if test "$[*]" = "X"; then
	# -L didn't work.
	set X `ls -t "$srcdir/configure" conftest.file`
     fi
     if test "$[*]" != "X $srcdir/configure conftest.file" \
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	# If neither matched, then we have a broken ls.  This can happen
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	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
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     fi
     if test "$[2]" = conftest.file || test $am_try -eq 2; then
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     fi
     # Just in case.
     sleep 1
     am_has_slept=yes
   done
   test "$[2]" = conftest.file
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
AC_MSG_RESULT([yes])
# If we didn't sleep, we still need to ensure time stamps of config.status and
# generated files are strictly newer.
am_sleep_pid=
if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  ( sleep 1 ) &
  am_sleep_pid=$!
fi
AC_CONFIG_COMMANDS_PRE(
  [AC_MSG_CHECKING([that generated files are newer than configure])
   if test -n "$am_sleep_pid"; then
     # Hide warnings about reused PIDs.
     wait $am_sleep_pid 2>/dev/null
   fi
   AC_MSG_RESULT([done])])
rm -f conftest.file
])
m4trace:/usr/share/aclocal-1.16/silent.m4:12: -1- AC_DEFUN([AM_SILENT_RULES], [AC_ARG_ENABLE([silent-rules], [dnl
AS_HELP_STRING(
  [--enable-silent-rules],
  [less verbose build output (undo: "make V=1")])
AS_HELP_STRING(
  [--disable-silent-rules],
  [verbose build output (undo: "make V=0")])dnl
])
case $enable_silent_rules in @%:@ (((
  yes) AM_DEFAULT_VERBOSITY=0;;
   no) AM_DEFAULT_VERBOSITY=1;;
    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
esac
dnl
dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
dnl do not support nested variable expansions.
dnl See automake bug#9928 and bug#10237.
am_make=${MAKE-make}
AC_CACHE_CHECK([whether $am_make supports nested variables],
   [am_cv_make_support_nested_variables],
   [if AS_ECHO([['TRUE=$(BAR$(V))
BAR0=false
BAR1=true
V=1
am__doit:
	@$(TRUE)
.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  am_cv_make_support_nested_variables=yes
else
  am_cv_make_support_nested_variables=no
fi])
if test $am_cv_make_support_nested_variables = yes; then
  dnl Using '$V' instead of '$(V)' breaks IRIX make.
  AM_V='$(V)'
  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
else
  AM_V=$AM_DEFAULT_VERBOSITY
  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
fi
AC_SUBST([AM_V])dnl
AM_SUBST_NOTMAKE([AM_V])dnl
AC_SUBST([AM_DEFAULT_V])dnl
AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
AM_BACKSLASH='\'
AC_SUBST([AM_BACKSLASH])dnl
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
])
m4trace:/usr/share/aclocal-1.16/strip.m4:17: -1- AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using 'strip' when the user
# run "make install-strip".  However 'strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the 'STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
if test "$cross_compiling" != no; then
  AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
m4trace:/usr/share/aclocal-1.16/substnot.m4:12: -1- AC_DEFUN([_AM_SUBST_NOTMAKE])
m4trace:/usr/share/aclocal-1.16/substnot.m4:17: -1- AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
m4trace:/usr/share/aclocal-1.16/tar.m4:23: -1- AC_DEFUN([_AM_PROG_TAR], [# Always define AMTAR for backward compatibility.  Yes, it's still used
# in the wild :-(  We should find a proper way to deprecate it ...
AC_SUBST([AMTAR], ['$${TAR-tar}'])

# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'

m4_if([$1], [v7],
  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],

  [m4_case([$1],
    [ustar],
     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
      # There is notably a 21 bits limit for the UID and the GID.  In fact,
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      am_max_uid=2097151 # 2^21 - 1
      am_max_gid=$am_max_uid
      # The $UID and $GID variables are not portable, so we need to resort
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      # (that is, avoid stderr redirection).
      am_uid=`id -u || echo unknown`
      am_gid=`id -g || echo unknown`
      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
      if test $am_uid -le $am_max_uid; then
         AC_MSG_RESULT([yes])
      else
         AC_MSG_RESULT([no])
         _am_tools=none
      fi
      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
      if test $am_gid -le $am_max_gid; then
         AC_MSG_RESULT([yes])
      else
        AC_MSG_RESULT([no])
        _am_tools=none
      fi],

  [pax],
    [],

  [m4_fatal([Unknown tar format])])

  AC_MSG_CHECKING([how to create a $1 tar archive])

  # Go ahead even if we have the value already cached.  We do so because we
  # need to set the values for the 'am__tar' and 'am__untar' variables.
  _am_tools=${am_cv_prog_tar_$1-$_am_tools}

  for _am_tool in $_am_tools; do
    case $_am_tool in
    gnutar)
      for _am_tar in tar gnutar gtar; do
        AM_RUN_LOG([$_am_tar --version]) && break
      done
      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
      am__untar="$_am_tar -xf -"
      ;;
    plaintar)
      # Must skip GNU tar: if it does not support --format= it doesn't create
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      (tar --version) >/dev/null 2>&1 && continue
      am__tar='tar chf - "$$tardir"'
      am__tar_='tar chf - "$tardir"'
      am__untar='tar xf -'
      ;;
    pax)
      am__tar='pax -L -x $1 -w "$$tardir"'
      am__tar_='pax -L -x $1 -w "$tardir"'
      am__untar='pax -r'
      ;;
    cpio)
      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
      am__untar='cpio -i -H $1 -d'
      ;;
    none)
      am__tar=false
      am__tar_=false
      am__untar=false
      ;;
    esac

    # If the value was cached, stop now.  We just wanted to have am__tar
    # and am__untar set.
    test -n "${am_cv_prog_tar_$1}" && break

    # tar/untar a dummy directory, and stop if the command works.
    rm -rf conftest.dir
    mkdir conftest.dir
    echo GrepMe > conftest.dir/file
    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    rm -rf conftest.dir
    if test -s conftest.tar; then
      AM_RUN_LOG([$am__untar <conftest.tar])
      AM_RUN_LOG([cat conftest.dir/file])
      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    fi
  done
  rm -rf conftest.dir

  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  AC_MSG_RESULT([$am_cv_prog_tar_$1])])

AC_SUBST([am__tar])
AC_SUBST([am__untar])
])
m4trace:m4/ax_backtrace.m4:36: -1- AC_DEFUN([AX_BACKTRACE], [
    dnl checks below will select the backtrace approach that provides
    dnl the most information
    AS_CASE([$host_os],
            [linux*], [backtrace="backward"],
            [*], [backtrace="booster"])

    AC_LANG_PUSH([C++])

    dnl backward assumes this is present on linux
    has_cxxabi="no"
    AC_MSG_CHECKING([for cxxabi.h])
    AC_LINK_IFELSE(
        [AC_LANG_PROGRAM([[
#include <cxxabi.h>
         ]], [[
abi::__cxa_demangle(0, 0, 0, 0);
         ]])],
        [has_cxxabi="yes"],
        [backtrace="booster"])
    AC_MSG_RESULT($has_cxxabi)

    dnl Many backtrace libraries depend on dladdr
    has_dladdr="no"
    AX_CHECK_PRIVATE_LIB(dl, dladdr,
        [AC_LANG_PROGRAM([[
#include <dlfcn.h>
         ]], [[
dladdr(0, 0);
         ]])],
        [has_dladdr="yes"])

    dnl boost::stacktrace major changes stopped before 1.71.0 (added in 1.65.0)
    dnl use instead of booster, if possible
    if test "x$backtrace" = "xbooster" -a "x$has_dladdr" = "xyes"; then
        AC_MSG_CHECKING([for boost::stacktrace])
        CPPFLAGS_SAVED="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
        LDFLAGS_SAVED="$LDFLAGS"
        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
        LIBS_SAVED="$LIBS"
        LIBS="-lboost_stacktrace_basic $DL_LIB $LIBS"
        has_boost_stacktrace="no"
        AC_LINK_IFELSE(
            [AC_LANG_PROGRAM([[
#include <iostream>
#include <boost/version.hpp>
#if (BOOST_VERSION / 100000 > 1) ||                                          \
    ((BOOST_VERSION / 100000 == 1) && (BOOST_VERSION / 100 % 1000 >= 71))
#include <boost/stacktrace.hpp>
#endif
             ]], [[
std::cout << boost::stacktrace::stacktrace();
             ]])],
            [has_boost_stacktrace="yes"
             backtrace="boost"])
        AC_MSG_RESULT($has_boost_stacktrace)
        CPPFLAGS="$CPPFLAGS_SAVED"
        LDFLAGS="$LDFLAGS_SAVED"
        LIBS="$LIBS_SAVED"
    fi

    if test "x$backtrace" = "xbackward" -o "x$backtrace" = "xbooster"; then
        dnl preferred, rather than execinfo.h
        has_unwind="no"
        AC_MSG_CHECKING([for _Unwind_GetIP])
        AC_LINK_IFELSE(
            [AC_LANG_PROGRAM([[
#include <unwind.h>
             ]], [[
_Unwind_GetIP(0);
             ]])],
            [has_unwind="yes"])
        AC_MSG_RESULT($has_unwind)

        dnl in case unwind can not be used
        dnl (currently a requirement for having a backtrace)
        has_execinfo="no"
        AC_MSG_CHECKING(for execinfo.h)
        AC_LINK_IFELSE(
            [AC_LANG_PROGRAM([[
#include <execinfo.h>
             ]], [[
backtrace(0, 0);
             ]])],
            [has_execinfo="yes"])
        AC_MSG_RESULT($has_execinfo)
        if test "x$has_execinfo" = "xno"; then
            dnl libexecinfo may be required at link-time
            AX_CHECK_PRIVATE_LIB(execinfo, backtrace,
                [AC_LANG_PROGRAM([[
#include <execinfo.h>
                 ]], [[
backtrace(0, 0);
                 ]])],
                [has_execinfo="yes"])
        else
            EXECINFO_LDFLAGS=""
            EXECINFO_LIB=""
        fi

        dnl backtrace data is required to print backtrace information
        if test "x$has_unwind" = "xno" -a "x$has_execinfo" = "xno"; then
            backtrace=""
        fi
    fi

    if test "x$backtrace" = "xbackward"; then
        dnl libunwind can provide more accurate stacktraces
        dnl (e.g., signal handlers) but is unsupported on some architectures
        AS_CASE([$host_cpu],
                [x86*|arm*], [has_libunwind="yes"],
                [*], [has_libunwind="no"])
        if test "x$has_libunwind" = "xyes"; then
            AX_CHECK_PRIVATE_LIB(unwind, unw_getcontext,
                [AC_LANG_PROGRAM([[
#include <libunwind.h>
                 ]], [[
unw_getcontext(0);
                 ]])],
                [has_libunwind="yes"],
                [has_libunwind="no"])
        else
            UNWIND_LDFLAGS=""
            UNWIND_LIB=""
        fi

        want_dwarf="no"
        want_bfd="no"
        if test "x$has_dladdr" = "xyes"; then
            AX_CHECK_PRIVATE_LIB(dwarf, dwarf_elf_init,
                [AC_LANG_PROGRAM([[
#include <libdwarf/libdwarf.h>
#include <libdwarf/dwarf.h>
                 ]], [[
dwarf_elf_init(0, 0, 0, 0, 0, 0);
                 ]])],
                [AX_CHECK_PRIVATE_LIB(elf, elf_version,
                    [AC_LANG_PROGRAM([[
#include <libelf.h>
                     ]], [[
elf_version(EV_CURRENT);
                     ]])],
                    [want_dwarf="yes"])
                 ])
            AX_CHECK_PRIVATE_LIB(bfd, bfd_init,
                [AC_LANG_PROGRAM([[
#include <bfd.h>
                 ]], [[
bfd_init();
                 ]])],
                [want_bfd="yes"])
        fi
        AX_CHECK_PRIVATE_LIB(dw, dwfl_begin,
            [AC_LANG_PROGRAM([[
#include <elfutils/libdw.h>
#include <elfutils/libdwfl.h>
#include <dwarf.h>
             ]], [[
dwfl_begin(0);
             ]])],
            [want_dw="yes"],
            [want_dw="no"])
    fi

    BACKTRACE_CPPFLAGS=""
    BACKTRACE_LDFLAGS=""
    BACKTRACE_LIB=""
    AC_MSG_CHECKING([for C/C++ backtrace])
    if test "x$backtrace" = "xbackward"; then
        BACKTRACE_CPPFLAGS="-I\$(top_srcdir)/external/backward-cpp/"
        if test "x$has_libunwind" = "xyes"; then
            AC_DEFINE([BACKWARD_HAS_UNWIND], [0],
                      [Define if libgcc has _Unwind_GetIP().])
            AC_DEFINE([BACKWARD_HAS_LIBUNWIND], [1],
                      [Define if libunwind is usable.])
            AC_DEFINE([BACKWARD_HAS_BACKTRACE], [0],
                      [Define if execinfo.h is usable.])
            unwind_status="libunwind"
        elif test "x$has_unwind" = "xyes"; then
            AC_DEFINE([BACKWARD_HAS_UNWIND], [1],
                      [Define if libgcc has _Unwind_GetIP().])
            AC_DEFINE([BACKWARD_HAS_LIBUNWIND], [0],
                      [Define if libunwind is usable.])
            AC_DEFINE([BACKWARD_HAS_BACKTRACE], [0],
                      [Define if execinfo.h is usable.])
            UNWIND_LDFLAGS=""
            UNWIND_LIB=""
            unwind_status="unwind"
        else
            AC_DEFINE([BACKWARD_HAS_UNWIND], [0],
                      [Define if libgcc has _Unwind_GetIP().])
            AC_DEFINE([BACKWARD_HAS_LIBUNWIND], [0],
                      [Define if libunwind is usable.])
            AC_DEFINE([BACKWARD_HAS_BACKTRACE], [1],
                      [Define if execinfo.h is usable.])
            UNWIND_LDFLAGS="$EXECINFO_LDFLAGS"
            UNWIND_LIB="$EXECINFO_LIB"
            unwind_status="execinfo"
        fi
        if test "x$want_dwarf" = "xyes"; then
            BACKTRACE_LDFLAGS="$DWARF_LDFLAGS $ELF_LDFLAGS $DL_LDFLAGS $UNWIND_LDFLAGS"
            BACKTRACE_LIB="$DWARF_LIB $ELF_LIB $DL_LIB $UNWIND_LIB"
            AC_DEFINE([BACKWARD_HAS_DWARF], [1],
                      [Define if libdwarf is usable.])
            AC_MSG_RESULT([backward-cpp dwarf $unwind_status])
        elif test "x$want_bfd" = "xyes"; then
            BACKTRACE_LDFLAGS="$BFD_LDFLAGS $DL_LDFLAGS $UNWIND_LDFLAGS"
            BACKTRACE_LIB="$BFD_LIB $DL_LIB $UNWIND_LIB"
            AC_DEFINE([BACKWARD_HAS_BFD], [1],
                      [Define if libbfd is usable.])
            AC_MSG_RESULT([backward-cpp bfd $unwind_status])
        elif test "x$want_dw" = "xyes"; then
            BACKTRACE_LDFLAGS="$DW_LDFLAGS $UNWIND_LDFLAGS"
            BACKTRACE_LIB="$DW_LIB $UNWIND_LIB"
            AC_DEFINE([BACKWARD_HAS_DW], [1],
                      [Define if libdw is usable.])
            AC_MSG_RESULT([backward-cpp dw $unwind_status])
        else
            BACKTRACE_LDFLAGS="$UNWIND_LDFLAGS"
            BACKTRACE_LIB="$UNWIND_LIB"
            AC_DEFINE([BACKWARD_HAS_BACKTRACE_SYMBOL], [1],
                      [Define if execinfo.h is usable.])
            AC_MSG_RESULT([backward-cpp execinfo $unwind_status])
        fi
        AC_DEFINE([BACKWARD_SYSTEM_LINUX], [1],
                  [Specify linux support.])
        AC_DEFINE([BACKTRACE_USE_BACKWARD], [1],
                  [Provide C++ backtraces with backward code.])
    elif test "x$backtrace" = "xboost"; then
        BACKTRACE_CPPFLAGS=""
        BACKTRACE_LDFLAGS=""
        BACKTRACE_LIB="-lboost_stacktrace_basic $DL_LIB"
        AC_DEFINE([BACKTRACE_USE_BOOST], [1],
                  [Provide C++ backtraces with boost::stacktrace.])
        AC_MSG_RESULT([boost])
    elif test "x$backtrace" = "xbooster"; then
        BACKTRACE_CPPFLAGS="-I\$(top_srcdir)/external/booster"
        BACKTRACE_LDFLAGS="$DL_LDFLAGS $EXECINFO_LDFLAGS"
        BACKTRACE_LIB="$DL_LIB $EXECINFO_LIB"
        if test "x$has_unwind" = "xyes"; then
            AC_DEFINE([BOOSTER_HAVE_UNWIND_BACKTRACE], [1],
                      [Define if libgcc has _Unwind_GetIP().])
            unwind_status="unwind"
        else
            unwind_status="execinfo"
        fi
        if test "x$has_dladdr" = "xyes"; then
            AC_DEFINE([BOOSTER_HAVE_DLADDR], [1],
                      [Define if dladdr() is usable.])
        fi
        if test "x$has_cxxabi" = "xyes"; then
            AC_DEFINE([BOOSTER_HAVE_ABI_CXA_DEMANGLE], [1],
                      [Define if cxxabi.h is usable.])
        fi
        AC_DEFINE([BOOSTER_HAVE_EXECINFO], [1],
                  [Define if execinfo.h is usable.])
        AC_DEFINE([BACKTRACE_USE_BOOSTER], [1],
                  [Provide C++ backtraces with booster code.])
        AC_MSG_RESULT([booster $unwind_status])
    else
        AC_MSG_RESULT([none])
    fi
    AC_LANG_POP([C++])
    AC_SUBST(BACKTRACE_CPPFLAGS)
    AC_SUBST(BACKTRACE_LDFLAGS)
    AC_SUBST(BACKTRACE_LIB)
])
m4trace:m4/ax_boost_base.m4:46: -1- AC_DEFUN([AX_BOOST_BASE], [
AC_ARG_WITH([boost],
  [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
    [use Boost library from a standard location (ARG=yes),
     from the specified location (ARG=<path>),
     or disable it (ARG=no)
     @<:@ARG=yes@:>@ ])],
    [
     AS_CASE([$withval],
       [no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
       [yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
       [want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
    ],
    [want_boost="yes"])


AC_ARG_WITH([boost-libdir],
  [AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
    [Force given directory for boost libraries.
     Note that this will override library path detection,
     so use this parameter only if default library detection fails
     and you know exactly where your boost libraries are located.])],
  [
   AS_IF([test -d "$withval"],
         [_AX_BOOST_BASE_boost_lib_path="$withval"],
    [AC_MSG_ERROR([--with-boost-libdir expected directory name])])
  ],
  [_AX_BOOST_BASE_boost_lib_path=""])

BOOST_LDFLAGS=""
BOOST_CPPFLAGS=""
AS_IF([test "x$want_boost" = "xyes"],
      [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
AC_SUBST(BOOST_CPPFLAGS)
AC_SUBST(BOOST_LDFLAGS)
])
m4trace:m4/ax_boost_base.m4:86: -1- AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION], [
  AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
  _AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
  _AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
  AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
        [AC_MSG_ERROR([You should at least specify libboost major version])])
  _AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
  AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
        [_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
  _AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
  AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
        [_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
  _AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+  $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor`
  AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
])
m4trace:m4/ax_boost_base.m4:103: -1- AC_DEFUN([_AX_BOOST_BASE_RUNDETECT], [
    _AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
    succeeded=no


    AC_REQUIRE([AC_CANONICAL_HOST])
    dnl On 64-bit systems check for system libraries in both lib64 and lib.
    dnl The former is specified by FHS, but e.g. Debian does not adhere to
    dnl this (as it rises problems for generic multi-arch support).
    dnl The last entry in the list is chosen by default when no libraries
    dnl are found, e.g. when only header-only libraries are installed!
    AS_CASE([${host_cpu}],
      [x86_64],[libsubdirs="lib64 libx32 lib lib64"],
      [mips*64*],[libsubdirs="lib64 lib32 lib lib64"],
      [ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64|e2k],[libsubdirs="lib64 lib lib64"],
      [libsubdirs="lib"]
    )

    dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
    dnl them priority over the other paths since, if libs are found there, they
    dnl are almost assuredly the ones desired.
    AS_CASE([${host_cpu}],
      [i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
      [armv7l],[multiarch_libsubdir="lib/arm-${host_os}"],
      [multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
    )

    dnl first we check the system location for boost libraries
    dnl this location ist chosen if boost libraries are installed with the --layout=system option
    dnl or if you install boost with RPM
    AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
        AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
         AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
           AC_MSG_RESULT([yes])
           BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
           for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
                AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
                AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[
                        AC_MSG_RESULT([yes])
                        BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp";
                        break;
                ],
      [AC_MSG_RESULT([no])])
           done],[
      AC_MSG_RESULT([no])])
    ],[
        if test X"$cross_compiling" = Xyes; then
            search_libsubdirs=$multiarch_libsubdir
        else
            search_libsubdirs="$multiarch_libsubdir $libsubdirs"
        fi
        for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
            if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
                for libsubdir in $search_libsubdirs ; do
                    if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
                done
                BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir"
                BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
                break;
            fi
        done
    ])

    dnl overwrite ld flags if we have required special directory with
    dnl --with-boost-libdir parameter
    AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"],
          [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"])

    AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)])
    CPPFLAGS_SAVED="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
    export CPPFLAGS

    LDFLAGS_SAVED="$LDFLAGS"
    LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
    export LDFLAGS

    AC_REQUIRE([AC_PROG_CXX])
    AC_LANG_PUSH(C++)
        AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
        AC_MSG_RESULT(yes)
    succeeded=yes
    found_system=yes
        ],[
        ])
    AC_LANG_POP([C++])



    dnl if we found no boost with system layout we search for boost libraries
    dnl built and installed without the --layout=system option or for a staged(not installed) version
    if test "x$succeeded" != "xyes" ; then
        CPPFLAGS="$CPPFLAGS_SAVED"
        LDFLAGS="$LDFLAGS_SAVED"
        BOOST_CPPFLAGS=
        if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
            BOOST_LDFLAGS=
        fi
        _version=0
        if test -n "$_AX_BOOST_BASE_boost_path" ; then
            if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
                for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
                    _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
                    V_CHECK=`expr $_version_tmp \> $_version`
                    if test "x$V_CHECK" = "x1" ; then
                        _version=$_version_tmp
                    fi
                    VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
                    BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
                done
                dnl if nothing found search for layout used in Windows distributions
                if test -z "$BOOST_CPPFLAGS"; then
                    if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
                        BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
                    fi
                fi
                dnl if we found something and BOOST_LDFLAGS was unset before
                dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here.
                if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then
                    for libsubdir in $libsubdirs ; do
                        if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
                    done
                    BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir"
                fi
            fi
        else
            if test "x$cross_compiling" != "xyes" ; then
                for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
                    if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
                        for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
                            _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
                            V_CHECK=`expr $_version_tmp \> $_version`
                            if test "x$V_CHECK" = "x1" ; then
                                _version=$_version_tmp
                                best_path=$_AX_BOOST_BASE_boost_path
                            fi
                        done
                    fi
                done

                VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
                BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
                if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
                    for libsubdir in $libsubdirs ; do
                        if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
                    done
                    BOOST_LDFLAGS="-L$best_path/$libsubdir"
                fi
            fi

            if test -n "$BOOST_ROOT" ; then
                for libsubdir in $libsubdirs ; do
                    if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
                done
                if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
                    version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
                    stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
                        stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
                    V_CHECK=`expr $stage_version_shorten \>\= $_version`
                    if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
                        AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
                        BOOST_CPPFLAGS="-I$BOOST_ROOT"
                        BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
                    fi
                fi
            fi
        fi

        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
        export CPPFLAGS
        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
        export LDFLAGS

        AC_LANG_PUSH(C++)
            AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
            AC_MSG_RESULT(yes)
        succeeded=yes
        found_system=yes
            ],[
            ])
        AC_LANG_POP([C++])
    fi

    if test "x$succeeded" != "xyes" ; then
        if test "x$_version" = "x0" ; then
            AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
        else
            AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
        fi
        # execute ACTION-IF-NOT-FOUND (if present):
        ifelse([$3], , :, [$3])
    else
        AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
        # execute ACTION-IF-FOUND (if present):
        ifelse([$2], , :, [$2])
    fi

    CPPFLAGS="$CPPFLAGS_SAVED"
    LDFLAGS="$LDFLAGS_SAVED"

])
m4trace:m4/ax_boost_check_header.m4:38: -1- AC_DEFUN([AX_BOOST_CHECK_HEADER], [
    CPPFLAGS_SAVED="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
    export CPPFLAGS
    AX_CXX_CHECK_HEADER($1, $2, $3, $4, $5)
    CPPFLAGS="$CPPFLAGS_SAVED"
])
m4trace:m4/ax_boost_system.m4:36: -1- AC_DEFUN([AX_BOOST_SYSTEM], [
 AC_ARG_WITH([boost-system],
 AS_HELP_STRING([--with-boost-system@<:@=special-lib@:>@],
                   [use the System library from boost - it is possible to specify a certain library for the linker
                        e.g. --with-boost-system=boost_system-gcc-mt ]),
        [
        if test "$withval" = "no"; then
   want_boost="no"
        elif test "$withval" = "yes"; then
            want_boost="yes"
            ax_boost_user_system_lib=""
        else
      want_boost="yes"
  ax_boost_user_system_lib="$withval"
  fi
        ],
        [want_boost="yes"]
 )

 if test "x$want_boost" = "xyes"; then
        AC_REQUIRE([AC_PROG_CC])
        AC_REQUIRE([AC_CANONICAL_BUILD])
  CPPFLAGS_SAVED="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  export CPPFLAGS

  LDFLAGS_SAVED="$LDFLAGS"
  LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
  export LDFLAGS

        AC_CACHE_CHECK(whether the Boost::System library is available,
        ax_cv_boost_system,
        [AC_LANG_PUSH([C++])
    CXXFLAGS_SAVE=$CXXFLAGS
    CXXFLAGS=

    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/system/error_code.hpp>]],
        [[boost::system::error_category *a = 0;]])],
                   ax_cv_boost_system=yes, ax_cv_boost_system=no)
    CXXFLAGS=$CXXFLAGS_SAVE
             AC_LANG_POP([C++])
  ])
  if test "x$ax_cv_boost_system" = "xyes"; then
   AC_SUBST(BOOST_CPPFLAGS)

   AC_DEFINE(HAVE_BOOST_SYSTEM,,[define if the Boost::System library is available])
            BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`

   LDFLAGS_SAVE=$LDFLAGS
            if test "x$ax_boost_user_system_lib" = "x"; then
                for libextension in `ls -r $BOOSTLIBDIR/libboost_system* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'` ; do
                     ax_lib=${libextension}
        AC_CHECK_LIB($ax_lib, exit,
                                 [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
                                 [link_system="no"])
    done
                if test "x$link_system" != "xyes"; then
                for libextension in `ls -r $BOOSTLIBDIR/boost_system* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do
                     ax_lib=${libextension}
        AC_CHECK_LIB($ax_lib, exit,
                                 [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
                                 [link_system="no"])
    done
                fi

            else
               for ax_lib in $ax_boost_user_system_lib boost_system-$ax_boost_user_system_lib; do
          AC_CHECK_LIB($ax_lib, exit,
                                   [BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
                                   [link_system="no"])
                  done

            fi
            if test "x$ax_lib" = "x"; then
                AC_MSG_ERROR(Could not find a version of the Boost::System library!)
            fi
   if test "x$link_system" = "xno"; then
    AC_MSG_ERROR(Could not link against $ax_lib !)
   fi
  fi

  CPPFLAGS="$CPPFLAGS_SAVED"
 LDFLAGS="$LDFLAGS_SAVED"
 fi
])
m4trace:m4/ax_boost_thread.m4:35: -1- AC_DEFUN([AX_BOOST_THREAD], [
    AC_ARG_WITH([boost-thread],
    AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@],
                   [use the Thread library from boost -
                    it is possible to specify a certain library for the linker
                    e.g. --with-boost-thread=boost_thread-gcc-mt ]),
        [
        if test "$withval" = "yes"; then
            want_boost="yes"
            ax_boost_user_thread_lib=""
        else
            want_boost="yes"
            ax_boost_user_thread_lib="$withval"
        fi
        ],
        [want_boost="yes"]
    )

    if test "x$want_boost" = "xyes"; then
        AC_REQUIRE([AC_PROG_CC])
        AC_REQUIRE([AC_CANONICAL_BUILD])
        CPPFLAGS_SAVED="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
        export CPPFLAGS

        LDFLAGS_SAVED="$LDFLAGS"
        LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
        export LDFLAGS

        AC_CACHE_CHECK(whether the Boost::Thread library is available,
                       ax_cv_boost_thread,
        [AC_LANG_PUSH([C++])
             CXXFLAGS_SAVE=$CXXFLAGS

             case "x$host_os" in
                 xsolaris )
                     CXXFLAGS="-pthreads $CXXFLAGS"
                     break;
                     ;;
                 xmingw32 )
                     CXXFLAGS="-mthreads $CXXFLAGS"
                     break;
                     ;;
                 *android* )
                     break;
                     ;;
                 * )
                     CXXFLAGS="-pthread $CXXFLAGS"
                     break;
                     ;;
             esac

             AC_COMPILE_IFELSE([
                 AC_LANG_PROGRAM(
                     [[@%:@include <boost/thread/thread.hpp>]],
                     [[boost::thread_group thrds;
                       return 0;]])],
                 ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
             CXXFLAGS=$CXXFLAGS_SAVE
             AC_LANG_POP([C++])
        ])
        if test "x$ax_cv_boost_thread" = "xyes"; then
            case "x$host_os" in
                xsolaris )
                    BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
                    break;
                    ;;
                xmingw32 )
                    BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
                    break;
                    ;;
                *android* )
                    break;
                    ;;
                * )
                    BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
                    break;
                    ;;
            esac

            AC_SUBST(BOOST_CPPFLAGS)

            AC_DEFINE(HAVE_BOOST_THREAD,,
                      [define if the Boost::Thread library is available])
            BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`

            LDFLAGS_SAVE=$LDFLAGS
                        case "x$host_os" in
                          *bsd* )
                               LDFLAGS="-pthread $LDFLAGS"
                          break;
                          ;;
                        esac
            if test "x$ax_boost_user_thread_lib" = "x"; then
                for libextension in `ls -r $BOOSTLIBDIR/libboost_thread* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'`; do
                     ax_lib=${libextension}
                    AC_CHECK_LIB($ax_lib, exit,
                                 [link_thread="yes"; break],
                                 [link_thread="no"])
                done
                if test "x$link_thread" != "xyes"; then
                for libextension in `ls -r $BOOSTLIBDIR/boost_thread* 2>/dev/null | sed 's,.*/,,' | sed 's,\..*,,'`; do
                     ax_lib=${libextension}
                    AC_CHECK_LIB($ax_lib, exit,
                                 [link_thread="yes"; break],
                                 [link_thread="no"])
                done
                fi

            else
               for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do
                      AC_CHECK_LIB($ax_lib, exit,
                                   [link_thread="yes"; break],
                                   [link_thread="no"])
                  done

            fi
            if test "x$ax_lib" = "x"; then
                AC_MSG_ERROR(Could not find a version of the Boost::Thread library!)
            fi
            if test "x$link_thread" = "xno"; then
                AC_MSG_ERROR(Could not link against $ax_lib !)
            else
                BOOST_THREAD_LIB="-l$ax_lib"
                case "x$host_os" in
                    *bsd* )
                        BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
                        break;
                        ;;
                    xsolaris )
                        BOOST_THREAD_LIB="$BOOST_THREAD_LIB -lpthread"
                        break;
                        ;;
                    xmingw32 )
                        break;
                        ;;
                    *android* )
                        break;
                        ;;
                    * )
                        BOOST_THREAD_LIB="$BOOST_THREAD_LIB -lpthread"
                        break;
                        ;;
                esac
                AC_SUBST(BOOST_THREAD_LIB)
            fi
        fi

        CPPFLAGS="$CPPFLAGS_SAVED"
        LDFLAGS="$LDFLAGS_SAVED"
    fi
])
m4trace:m4/ax_boost_version.m4:36: -1- AC_DEFUN([AX_BOOST_VERSION], [
    AC_CACHE_CHECK([for boost compilation version], ax_cv_cxx_boost_version, [
    CPPFLAGS_SAVED="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
    LDFLAGS_SAVED="$LDFLAGS"
    LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"

    AC_LANG_PUSH(C++)
    AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([
             @%:@include <boost/version.hpp>
             @%:@include <fstream>], [
             std::ofstream output("conftest.out", std::ofstream::binary);
             output << BOOST_LIB_VERSION << std::endl;
             output.close();
             ])],
        [ax_cv_cxx_boost_version=`cat conftest.out`
         rm -f conftest.out],
        [rm -f conftest.out
         AC_MSG_FAILURE([C++ boost version info execution failed])])
    AC_LANG_POP(C++)
    CPPFLAGS="$CPPFLAGS_SAVED"
    LDFLAGS="$LDFLAGS_SAVED"
    ])
])
m4trace:m4/ax_cabal_version.m4:15: -1- AC_DEFUN([AX_CABAL_VERSION], [
    AC_REQUIRE([AC_PROG_SED])

    AS_IF([test "x$GHC_PKG" = "x"],[
        AC_MSG_WARN([could not find the GHC package manager])
        $3
    ],[
        AC_MSG_CHECKING([for Cabal version])
        cabal_version=`$GHC_PKG latest Cabal | $SED 's/^Cabal-//'`
        AS_IF([test "x$cabal_version" = "x"],[
            AC_MSG_RESULT(not found)
            $3
        ],[
            AC_MSG_RESULT($cabal_version)

            ax_cabal_version="$1"
    
            cabal_version_major=`echo "$cabal_version" | $SED 's/\..*$//'`
            AC_SUBST([CABAL_VERSION],[$cabal_version])
            AC_SUBST([CABAL_VERSION_MAJOR],[$cabal_version_major])
    
            AX_COMPARE_VERSION([$ax_cabal_version],[le],[$cabal_version],[
                :
                $2
            ],[
                :
                $3
            ])
        ])
    ])
])
m4trace:m4/ax_check_class.m4:56: -1- AU_DEFUN([AC_CHECK_CLASS], [m4_if($#, 0, [AX_CHECK_CLASS], [AX_CHECK_CLASS($@)])])
m4trace:m4/ax_check_class.m4:56: -1- AC_DEFUN([AC_CHECK_CLASS], [AC_DIAGNOSE([obsolete], [The macro `AC_CHECK_CLASS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_CHECK_CLASS], [AX_CHECK_CLASS($@)])])
m4trace:m4/ax_check_class.m4:57: -1- AC_DEFUN([AX_CHECK_CLASS], [
AC_REQUIRE([AX_PROG_JAVA])
ac_var_name=`echo $1 | sed 's/\./_/g'`
dnl Normally I'd use a AC_CACHE_CHECK here but since the variable name is
dnl dynamic I need an extra level of extraction
AC_MSG_CHECKING([for $1 class])
AC_CACHE_VAL(ax_cv_class_$ac_var_name, [
        AX_TRY_COMPILE_JAVA([$1], , [eval "ac_cv_class_$ac_var_name=yes"],
                [eval "ac_cv_class_$ac_var_name=no"])
eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`"
HAVE_LAST_CLASS=$ac_var_val
if test x$ac_var_val = xyes; then
        ifelse([$2], , :, [$2])
else
        ifelse([$3], , :, [$3])
fi
])
dnl for some reason the above statement didn't fall though here?
dnl do scripts have variable scoping?
eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
AC_MSG_RESULT($ac_var_val)
])
m4trace:m4/ax_check_header_macro.m4:35: -1- AC_DEFUN([AX_CHECK_HEADER_MACRO], [
    AS_IF([eval test x$]AS_TR_SH([ac_cv_header_$1])[ = xyes], [],
          [AC_CHECK_HEADER($1,
                           [AC_DEFINE(m4_toupper(AS_TR_SH(HAVE_$1)), 1,
                                      [Define to 1 if you have
                                       the <$1> header file.])],
                           [AC_MSG_ERROR([$1 not found])])])

    AC_MSG_CHECKING(for $2 in $1)
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
@%:@include <$1>
@%:@if ! defined($2)
@%:@error
@%:@endif
        ])],
        [AC_MSG_RESULT(yes)
         AC_DEFINE(m4_toupper(AS_TR_SH(HAVE_$1_$2)), 1,
                   [Define to 1 if $2 is defined within <$1>])],
        [AC_MSG_RESULT(no)])
])
m4trace:m4/ax_check_private_header.m4:38: -1- AC_DEFUN([AX_CHECK_PRIVATE_HEADER], [
    cflags_prefix=""
    include_path=""
    AS_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])
    AC_CACHE_CHECK([for $1], ac_Header,
        [m4_ifval([$4],
            [AC_COMPILE_IFELSE([AC_LANG_SOURCE([$4
                                                @%:@include <$1>])],
                [AS_VAR_SET(ac_Header, yes)],
                [AS_VAR_SET(ac_Header, no)
                 ac_check_header_save_CFLAGS=$CFLAGS
                 for path in $5 ; do
                     cflags_prefix="-I$path"
                     include_path=$path
                     CFLAGS="$ac_check_header_save_CFLAGS $cflags_prefix"
                     AC_COMPILE_IFELSE([AC_LANG_SOURCE([$4
                                                        @%:@include <$1>])],
                         [AS_VAR_SET(ac_Header, yes)
                          break],
                         [])
                 done
                 CFLAGS=$ac_check_header_save_CFLAGS])],
            [AC_PREPROC_IFELSE([AC_LANG_SOURCE([@%:@include <$1>])],
                [AS_VAR_SET(ac_Header, yes)],
                [AS_VAR_SET(ac_Header, no)
                 ac_check_header_save_CFLAGS=$CFLAGS
                 for path in $5 ; do
                     cflags_prefix="-I$path"
                     include_path=$path
                     CFLAGS="$ac_check_header_save_CFLAGS $cflags_prefix"
                     AC_COMPILE_IFELSE([AC_LANG_SOURCE([@%:@include <$1>])],
                         [AS_VAR_SET(ac_Header, yes)
                          break],
                         [])
                 done
                 CFLAGS=$ac_check_header_save_CFLAGS])])
        ])
    AS_IF([test AS_VAR_GET(ac_Header) = yes],
        [m4_toupper(AS_TR_SH($1_CFLAGS))=$cflags_prefix
         AC_SUBST(m4_toupper(AS_TR_SH($1_CFLAGS)))
         dnl only set if searched for
         m4_toupper(AS_TR_SH($1_PATH))=$include_path
         AC_SUBST(m4_toupper(AS_TR_SH($1_PATH)))
         $2],
        [$3])
    AS_VAR_POPDEF([ac_Header])
])
m4trace:m4/ax_check_private_lib.m4:38: -1- AC_DEFUN([AX_CHECK_PRIVATE_LIB], [
    m4_ifval([$4], , [AH_CHECK_LIB([$1])])
    AS_LITERAL_IF([$1],
                  [AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$2])],
                  [AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1''_$2])])
    AC_CACHE_CHECK(
        [for $2 in -l$1], ac_Lib,
        [ac_check_lib_save_LDFLAGS=$LDFLAGS
         ac_check_lib_save_LIBS=$LIBS
         ldflags_prefix=""
         lib_path=""
         LIBS="-l$1 $6 $LIBS"
         AC_LINK_IFELSE(
             [$3],
             [AS_VAR_SET(ac_Lib, yes)],
             [AS_VAR_SET(ac_Lib, no)
              for path in $7 ; do
                  ldflags_prefix="-L$path"
                  lib_path=$path
                  LDFLAGS="$ac_check_lib_save_LDFLAGS $ldflags_prefix"
                  AC_LINK_IFELSE([$3],
                                 [AS_VAR_SET(ac_Lib, yes)
                                  break],
                                 [])
              done])
         LIBS=$ac_check_lib_save_LIBS
         LDFLAGS=$ac_check_lib_save_LDFLAGS])
    AS_IF([test AS_VAR_GET(ac_Lib) = yes],
          [m4_toupper($1_LDFLAGS)=$ldflags_prefix
           AC_SUBST(m4_toupper($1_LDFLAGS))
           m4_toupper($1_LIB)="-l$1"
           AC_SUBST(m4_toupper($1_LIB))
           dnl only set if searched for
           m4_toupper($1_PATH)=$lib_path
           AC_SUBST(m4_toupper($1_PATH))
           m4_default([$4], [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))])],
          [$5])
    AS_VAR_POPDEF([ac_Lib])
])
m4trace:m4/ax_check_rqrd_class.m4:55: -1- AU_DEFUN([AC_CHECK_RQRD_CLASS], [m4_if($#, 0, [AX_CHECK_RQRD_CLASS], [AX_CHECK_RQRD_CLASS($@)])])
m4trace:m4/ax_check_rqrd_class.m4:55: -1- AC_DEFUN([AC_CHECK_RQRD_CLASS], [AC_DIAGNOSE([obsolete], [The macro `AC_CHECK_RQRD_CLASS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_CHECK_RQRD_CLASS], [AX_CHECK_RQRD_CLASS($@)])])
m4trace:m4/ax_check_rqrd_class.m4:56: -1- AC_DEFUN([AX_CHECK_RQRD_CLASS], [
CLASS=`echo $1|sed 's/\./_/g'`
AX_CHECK_CLASS($1)
if test "$HAVE_LAST_CLASS" = "no"; then
        AC_MSG_ERROR([Required class $1 missing, exiting.])
fi
])
m4trace:m4/ax_clock_gettime.m4:41: -1- AC_DEFUN([AX_CLOCK_GETTIME], [
    RT_LIB=""
    clock_gettime=no
    AC_CHECK_LIB(rt, clock_gettime,
        [AC_DEFINE([HAVE_CLOCK_GETTIME_RT], [1],
            [Define if librt clock_gettime exists])
         RT_LIB="-lrt"
         clock_gettime=yes],
        [AC_CHECK_FUNC([clock_gettime],
            [AC_DEFINE([HAVE_CLOCK_GETTIME_NONRT], [1],
                [Define if non-librt clock_gettime exists])
             clock_gettime=yes])])
    AC_SUBST(RT_LIB)
    if test $clock_gettime != no; then
        AC_MSG_CHECKING(clock_gettime CLOCK_MONOTONIC usability)
        AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <time.h>
#if !defined(CLOCK_MONOTONIC) || !defined(_POSIX_MONOTONIC_CLOCK) || (_POSIX_MONOTONIC_CLOCK < 0)
#error
#endif
             ]])],
            [AC_DEFINE([HAVE_CLOCK_GETTIME_MONOTONIC], [1],
                [Define if clock_gettime supports CLOCK_MONOTONIC])
             AC_MSG_RESULT(yes)],
            [AC_MSG_RESULT(no)])
    fi
])
m4trace:m4/ax_compare_version.m4:85: -1- AC_DEFUN([AX_COMPARE_VERSION], [
  AC_REQUIRE([AC_PROG_AWK])

  # Used to indicate true or false condition
  ax_compare_version=false

  # Convert the two version strings to be compared into a format that
  # allows a simple string comparison.  The end result is that a version
  # string of the form 1.12.5-r617 will be converted to the form
  # 0001001200050617.  In other words, each number is zero padded to four
  # digits, and non digits are removed.
  AS_VAR_PUSHDEF([A],[ax_compare_version_A])
  A=`echo "$1" | sed -e 's/\([[0-9]]*\)/Z\1Z/g' \
                     -e 's/Z\([[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/Z\([[0-9]][[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/Z\([[0-9]][[0-9]][[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/[[^0-9]]//g'`

  AS_VAR_PUSHDEF([B],[ax_compare_version_B])
  B=`echo "$3" | sed -e 's/\([[0-9]]*\)/Z\1Z/g' \
                     -e 's/Z\([[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/Z\([[0-9]][[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/Z\([[0-9]][[0-9]][[0-9]]\)Z/Z0\1Z/g' \
                     -e 's/[[^0-9]]//g'`

  dnl # In the case of le, ge, lt, and gt, the strings are sorted as necessary
  dnl # then the first line is used to determine if the condition is true.
  dnl # The sed right after the echo is to remove any indented white space.
  m4_case(m4_tolower($2),
  [lt],[
    ax_compare_version=`echo "x$A
x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/false/;s/x${B}/true/;1q"`
  ],
  [gt],[
    ax_compare_version=`echo "x$A
x$B" | sed 's/^ *//' | sort | sed "s/x${A}/false/;s/x${B}/true/;1q"`
  ],
  [le],[
    ax_compare_version=`echo "x$A
x$B" | sed 's/^ *//' | sort | sed "s/x${A}/true/;s/x${B}/false/;1q"`
  ],
  [ge],[
    ax_compare_version=`echo "x$A
x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"`
  ],[
    dnl Split the operator from the subversion count if present.
    m4_bmatch(m4_substr($2,2),
    [0],[
      # A count of zero means use the length of the shorter version.
      # Determine the number of characters in A and B.
      ax_compare_version_len_A=`echo "$A" | $AWK '{print(length)}'`
      ax_compare_version_len_B=`echo "$B" | $AWK '{print(length)}'`

      # Set A to no more than B's length and B to no more than A's length.
      A=`echo "$A" | sed "s/\(.\{$ax_compare_version_len_B\}\).*/\1/"`
      B=`echo "$B" | sed "s/\(.\{$ax_compare_version_len_A\}\).*/\1/"`
    ],
    [[0-9]+],[
      # A count greater than zero means use only that many subversions
      A=`echo "$A" | sed "s/\(\([[0-9]]\{4\}\)\{m4_substr($2,2)\}\).*/\1/"`
      B=`echo "$B" | sed "s/\(\([[0-9]]\{4\}\)\{m4_substr($2,2)\}\).*/\1/"`
    ],
    [.+],[
      AC_WARNING(
        [invalid OP numeric parameter: $2])
    ],[])

    # Pad zeros at end of numbers to make same length.
    ax_compare_version_tmp_A="$A`echo $B | sed 's/./0/g'`"
    B="$B`echo $A | sed 's/./0/g'`"
    A="$ax_compare_version_tmp_A"

    # Check for equality or inequality as necessary.
    m4_case(m4_tolower(m4_substr($2,0,2)),
    [eq],[
      test "x$A" = "x$B" && ax_compare_version=true
    ],
    [ne],[
      test "x$A" != "x$B" && ax_compare_version=true
    ],[
      AC_WARNING([invalid OP parameter: $2])
    ])
  ])

  AS_VAR_POPDEF([A])dnl
  AS_VAR_POPDEF([B])dnl

  dnl # Execute ACTION-IF-TRUE / ACTION-IF-FALSE.
  if test "$ax_compare_version" = "true" ; then
    m4_ifvaln([$4],[$4],[:])dnl
    m4_ifvaln([$5],[else $5])dnl
  fi
])
m4trace:m4/ax_compiler_vendor.m4:63: -1- AC_DEFUN([AX_COMPILER_VENDOR], [dnl
    AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, [dnl
 dnl  If you modify this list of vendors, please add similar support
 dnl  to ax_compiler_version.m4 if at all possible.
 dnl
 dnl  Note: Do NOT check for GCC first since some other compilers
 dnl  define __GNUC__ to remain compatible with it.  Compilers that
 dnl  are very slow to start (such as Intel) are listed first.

 vendors="
  intel:  __ICC,__ECC,__INTEL_COMPILER
  ibm:  __xlc__,__xlC__,__IBMC__,__IBMCPP__,__ibmxl__
  pathscale: __PATHCC__,__PATHSCALE__
  clang:  __clang__
  cray:  _CRAYC
  fujitsu: __FUJITSU
  sdcc:  SDCC,__SDCC
  sx:  _SX
  portland: __PGI
  gnu:  __GNUC__
  sun:  __SUNPRO_C,__SUNPRO_CC,__SUNPRO_F90,__SUNPRO_F95
  hp:  __HP_cc,__HP_aCC
  dec:  __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
  borland: __BORLANDC__,__CODEGEARC__,__TURBOC__
  comeau:  __COMO__
  kai:  __KCC
  lcc:  __LCC__
  sgi:  __sgi,sgi
  microsoft: _MSC_VER
  metrowerks: __MWERKS__
  watcom:  __WATCOMC__
  tcc:  __TINYC__
  unknown: UNKNOWN
 "
 for ventest in $vendors; do
     case $ventest in
  *:)
      vendor=$ventest
      continue
      ;;
  *)
      vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")"
      ;;
     esac

     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
#if !($vencpp)
      thisisanerror;
#endif
     ]])], [break])
 done

 ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1`
    ])
])
m4trace:m4/ax_compiler_version.m4:42: -1- AC_DEFUN([_AX_COMPILER_VERSION_INTEL], [ dnl
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    [__INTEL_COMPILER/100],,
    AC_MSG_FAILURE([[[$0]] unknown intel compiler version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    [(__INTEL_COMPILER%100)/10],,
    AC_MSG_FAILURE([[[$0]] unknown intel compiler version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [(__INTEL_COMPILER%10)],,
    AC_MSG_FAILURE([[[$0]] unknown intel compiler version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:57: -1- AC_DEFUN([_AX_COMPILER_VERSION_IBM], [ dnl
  dnl check between z/OS C/C++  and XL C/C++
  AC_COMPILE_IFELSE([
    AC_LANG_PROGRAM([],
      [
        #if defined(__COMPILER_VER__)
        choke me;
        #endif
      ])],
    [
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
        [__xlC__/100],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
        [__xlC__%100],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
        [__xlC_ver__/0x100],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build,
        [__xlC_ver__%0x100],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler build version]))
      ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build"
    ],
    [
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
        [__xlC__%1000],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
        [(__xlC__/10000)%10],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
        [(__xlC__/100000)%10],,
      	AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version]))
      ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
    ])
])
m4trace:m4/ax_compiler_version.m4:97: -1- AC_DEFUN([_AX_COMPILER_VERSION_PATHSCALE], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    __PATHCC__,,
    AC_MSG_FAILURE([[[$0]] unknown pathscale major]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    __PATHCC_MINOR__,,
    AC_MSG_FAILURE([[[$0]] unknown pathscale minor]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [__PATHCC_PATCHLEVEL__],,
    AC_MSG_FAILURE([[[$0]] unknown pathscale patch level]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:111: -1- AC_DEFUN([_AX_COMPILER_VERSION_CLANG], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    __clang_major__,,
    AC_MSG_FAILURE([[[$0]] unknown clang major]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    __clang_minor__,,
    AC_MSG_FAILURE([[[$0]] unknown clang minor]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [__clang_patchlevel__],,0)
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:124: -1- AC_DEFUN([_AX_COMPILER_VERSION_CRAY], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    _RELEASE,,
    AC_MSG_FAILURE([[[$0]] unknown crayc release]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    _RELEASE_MINOR,,
    AC_MSG_FAILURE([[[$0]] unknown crayc minor]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"
  ])
m4trace:m4/ax_compiler_version.m4:135: -1- AC_DEFUN([_AX_COMPILER_VERSION_FUJITSU], [
  AC_COMPUTE_INT(ax_cv_[]_AC_LANG_ABBREV[]_compiler_version,
                 __FCC_VERSION,,
		 AC_MSG_FAILURE([[[$0]]unknown fujitsu release]))
  ])
m4trace:m4/ax_compiler_version.m4:142: -1- AC_DEFUN([_AX_COMPILER_VERSION_GNU], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    __GNUC__,,
    AC_MSG_FAILURE([[[$0]] unknown gcc major]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    __GNUC_MINOR__,,
    AC_MSG_FAILURE([[[$0]] unknown gcc minor]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [__GNUC_PATCHLEVEL__],,
    AC_MSG_FAILURE([[[$0]] unknown gcc patch level]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:156: -1- AC_DEFUN([_AX_COMPILER_VERSION_SUN], [
  m4_define([_AX_COMPILER_VERSION_SUN_NUMBER],
            [
	     #if defined(__SUNPRO_CC)
	     __SUNPRO_CC
	     #else
	     __SUNPRO_C
	     #endif
	    ])
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59,
    !!(_AX_COMPILER_VERSION_SUN_NUMBER < 0x1000),,
    AC_MSG_FAILURE([[[$0]] unknown sun release version]))
  AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59" = X1],
    [dnl
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
        _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,,
	AC_MSG_FAILURE([[[$0]] unknown sun patch version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
        (_AX_COMPILER_VERSION_SUN_NUMBER / 0x10) % 0x10,,
        AC_MSG_FAILURE([[[$0]] unknown sun minor version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
        (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100),,
        AC_MSG_FAILURE([[[$0]] unknown sun major version]))
    ],
    [dnl
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
        _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,,
        AC_MSG_FAILURE([[[$0]] unknown sun patch version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
        (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100) % 0x100,,
        AC_MSG_FAILURE([[[$0]] unknown sun minor version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
        (_AX_COMPILER_VERSION_SUN_NUMBER / 0x1000),,
        AC_MSG_FAILURE([[[$0]] unknown sun major version]))
    ])
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
])
m4trace:m4/ax_compiler_version.m4:194: -1- AC_DEFUN([_AX_COMPILER_VERSION_HP], [
  m4_define([_AX_COMPILER_VERSION_HP_NUMBER],
            [
	     #if defined(__HP_cc)
	     __HP_cc
	     #else
	     __HP_aCC
	     #endif
	    ])
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121,
    !!(_AX_COMPILER_VERSION_HP_NUMBER <= 1),,
    AC_MSG_FAILURE([[[$0]] unknown hp release version]))
  AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121" = X1],
    [dnl By default output last version with this behavior.
     dnl it is so old
      ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="01.21.00"
    ],
    [dnl
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
        (_AX_COMPILER_VERSION_HP_NUMBER % 100),,
        AC_MSG_FAILURE([[[$0]] unknown hp release version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
        ((_AX_COMPILER_VERSION_HP_NUMBER / 100)%100),,
        AC_MSG_FAILURE([[[$0]] unknown hp minor version]))
      AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
        ((_AX_COMPILER_VERSION_HP_NUMBER / 10000)%100),,
        AC_MSG_FAILURE([[[$0]] unknown hp major version]))
      ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
    ])
])
m4trace:m4/ax_compiler_version.m4:225: -1- AC_DEFUN([_AX_COMPILER_VERSION_DEC], [dnl
  m4_define([_AX_COMPILER_VERSION_DEC_NUMBER],
            [
	     #if defined(__DECC_VER)
	     __DECC_VER
	     #else
	     __DECCXX_VER
	     #endif
	    ])
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    (_AX_COMPILER_VERSION_DEC_NUMBER % 10000),,
    AC_MSG_FAILURE([[[$0]] unknown dec release version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    ((_AX_COMPILER_VERSION_DEC_NUMBER / 100000UL)%100),,
    AC_MSG_FAILURE([[[$0]] unknown dec minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    ((_AX_COMPILER_VERSION_DEC_NUMBER / 10000000UL)%100),,
    AC_MSG_FAILURE([[[$0]] unknown dec major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:247: -1- AC_DEFUN([_AX_COMPILER_VERSION_BORLAND], [dnl
  m4_define([_AX_COMPILER_VERSION_TURBOC_NUMBER],
            [
	     #if defined(__TURBOC__)
	     __TURBOC__
	     #else
	     choke me
	     #endif
	    ])
  m4_define([_AX_COMPILER_VERSION_BORLANDC_NUMBER],
            [
	     #if defined(__BORLANDC__)
	     __BORLANDC__
	     #else
	     __CODEGEARC__
	     #endif
	    ])
 AC_COMPILE_IFELSE(
   [AC_LANG_PROGRAM(,
     _AX_COMPILER_VERSION_TURBOC_NUMBER)],
   [dnl TURBOC
     AC_COMPUTE_INT(
       _ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw,
       _AX_COMPILER_VERSION_TURBOC_NUMBER,,
       AC_MSG_FAILURE([[[$0]] unknown turboc version]))
     AS_IF(
       [test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -lt 661 || test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -gt 1023],
       [dnl compute normal version
        AC_COMPUTE_INT(
	  _ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
	  _AX_COMPILER_VERSION_TURBOC_NUMBER % 0x100,,
	  AC_MSG_FAILURE([[[$0]] unknown turboc minor version]))
	AC_COMPUTE_INT(
	  _ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
	  (_AX_COMPILER_VERSION_TURBOC_NUMBER/0x100)%0x100,,
	  AC_MSG_FAILURE([[[$0]] unknown turboc major version]))
	ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"],
      [dnl special version
       AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw],
         [661],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.00"],
	 [662],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.01"],
         [663],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:2.00"],
	 [
	 AC_MSG_WARN([[[$0]] unknown turboc version between 0x295 and 0x400 please report bug])
	 ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=""
	 ])
      ])
    ],
    # borlandc
    [
    AC_COMPUTE_INT(
      _ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw,
      _AX_COMPILER_VERSION_BORLANDC_NUMBER,,
      AC_MSG_FAILURE([[[$0]] unknown borlandc version]))
    AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw],
      dnl BORLANDC++ before 5.5
      [512] ,[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:2.00"],
      [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"],
      [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"],
      [1040],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.1"],
      [1106],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:4.0"],
      [1280],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.0"],
      [1312],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.02"],
      dnl C++ Builder era
      [1328],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:3.0"],
      [1344],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:4.0"],
      dnl BORLANDC++ after 5.5
      [1360],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.5"],
      [1361],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.51"],
      [1378],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.6.4"],
      dnl C++ Builder with year number
      [1392],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2006"],
      [1424],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2007"],
      [1555],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2009"],
      [1569],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2010"],
      dnl XE version
      [1584],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe"],
      [1600],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:2"],
      [1616],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:3"],
      [1632],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:4"],
      [
      AC_MSG_WARN([[[$0]] Unknown borlandc compiler version $_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw please report bug])
      ])
    ])
  ])
m4trace:m4/ax_compiler_version.m4:334: -1- AC_DEFUN([_AX_COMPILER_VERSION_COMEAU], [ dnl
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    [__COMO_VERSION__%100],,
    AC_MSG_FAILURE([[[$0]] unknown comeau compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    [(__COMO_VERSION__/100)%10],,
    AC_MSG_FAILURE([[[$0]] unknown comeau compiler major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"
  ])
m4trace:m4/ax_compiler_version.m4:346: -1- AC_DEFUN([_AX_COMPILER_VERSION_KAI], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [__KCC_VERSION%100],,
    AC_MSG_FAILURE([[[$0]] unknown kay compiler patch version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    [(__KCC_VERSION/100)%10],,
    AC_MSG_FAILURE([[[$0]] unknown kay compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    [(__KCC_VERSION/1000)%10],,
    AC_MSG_FAILURE([[[$0]] unknown kay compiler major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:363: -1- AC_DEFUN([_AX_COMPILER_VERSION_SGI], [
   m4_define([_AX_COMPILER_VERSION_SGI_NUMBER],
            [
	     #if defined(_COMPILER_VERSION)
	     _COMPILER_VERSION
	     #else
	     _SGI_COMPILER_VERSION
	     #endif
	    ])
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [_AX_COMPILER_VERSION_SGI_NUMBER%10],,
    AC_MSG_FAILURE([[[$0]] unknown SGI compiler patch version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    [(_AX_COMPILER_VERSION_SGI_NUMBER/10)%10],,
    AC_MSG_FAILURE([[[$0]] unknown SGI compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    [(_AX_COMPILER_VERSION_SGI_NUMBER/100)%10],,
    AC_MSG_FAILURE([[[$0]] unknown SGI compiler major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:385: -1- AC_DEFUN([_AX_COMPILER_VERSION_MICROSOFT], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    _MSC_VER%100,,
    AC_MSG_FAILURE([[[$0]] unknown microsoft compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    (_MSC_VER/100)%100,,
    AC_MSG_FAILURE([[[$0]] unknown microsoft compiler major version]))
  dnl could be overridden
  _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0
  _ax_[]_AC_LANG_ABBREV[]_compiler_version_build=0
  # special case for version 6
  AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X12"],
    [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
       _MSC_FULL_VER%1000,,
       _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0)])
  # for version 7
  AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X13"],
    [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
       _MSC_FULL_VER%1000,,
       AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version]))
    ])
  # for version > 8
 AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 14],
    [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
       _MSC_FULL_VER%10000,,
       AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version]))
    ])
 AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 15],
    [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build,
       _MSC_BUILD,,
       AC_MSG_FAILURE([[[$0]] unknown microsoft compiler build version]))
    ])
 ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build"
 ])
m4trace:m4/ax_compiler_version.m4:421: -1- AC_DEFUN([_AX_COMPILER_VERSION_METROWERKS], [dnl
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    __MWERKS__%0x100,,
    AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler patch version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    (__MWERKS__/0x100)%0x10,,
    AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    (__MWERKS__/0x1000)%0x10,,
    AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:435: -1- AC_DEFUN([_AX_COMPILER_VERSION_WATCOM], [dnl
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    __WATCOMC__%100,,
    AC_MSG_FAILURE([[[$0]] unknown watcom compiler minor version]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    (__WATCOMC__/100)%100,,
    AC_MSG_FAILURE([[[$0]] unknown watcom compiler major version]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"
  ])
m4trace:m4/ax_compiler_version.m4:446: -1- AC_DEFUN([_AX_COMPILER_VERSION_PORTLAND], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    __PGIC__,,
    AC_MSG_FAILURE([[[$0]] unknown pgi major]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    __PGIC_MINOR__,,
    AC_MSG_FAILURE([[[$0]] unknown pgi minor]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [__PGIC_PATCHLEVEL__],,
    AC_MSG_FAILURE([[[$0]] unknown pgi patch level]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:460: -1- AC_DEFUN([_AX_COMPILER_VERSION_TCC], [
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=[`tcc -v | $SED 's/^[ ]*tcc[ ]\+version[ ]\+\([0-9.]\+\).*/\1/g'`]
  ])
m4trace:m4/ax_compiler_version.m4:465: -1- AC_DEFUN([_AX_COMPILER_VERSION_SDCC], [
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major,
    /* avoid parse error with comments */
    #if(defined(__SDCC_VERSION_MAJOR))
	__SDCC_VERSION_MAJOR
    #else
	SDCC/100
    #endif
    ,,
    AC_MSG_FAILURE([[[$0]] unknown sdcc major]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor,
    /* avoid parse error with comments */
    #if(defined(__SDCC_VERSION_MINOR))
	__SDCC_VERSION_MINOR
    #else
	(SDCC%100)/10
    #endif
    ,,
    AC_MSG_FAILURE([[[$0]] unknown sdcc minor]))
  AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch,
    [
    /* avoid parse error with comments */
    #if(defined(__SDCC_VERSION_PATCH))
	__SDCC_VERSION_PATCH
    #elsif(defined(_SDCC_VERSION_PATCHLEVEL))
	__SDCC_VERSION_PATCHLEVEL
    #else
	SDCC%10
    #endif
    ],,
    AC_MSG_FAILURE([[[$0]] unknown sdcc patch level]))
  ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch"
  ])
m4trace:m4/ax_compiler_version.m4:500: -1- AC_DEFUN([AX_COMPILER_VERSION], [dnl
  AC_REQUIRE([AX_COMPILER_VENDOR])
  AC_REQUIRE([AC_PROG_SED])
  AC_CACHE_CHECK([for _AC_LANG compiler version],
    ax_cv_[]_AC_LANG_ABBREV[]_compiler_version,
    [ dnl
      AS_CASE([$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor],
        [intel],[_AX_COMPILER_VERSION_INTEL],
	[ibm],[_AX_COMPILER_VERSION_IBM],
	[pathscale],[_AX_COMPILER_VERSION_PATHSCALE],
	[clang],[_AX_COMPILER_VERSION_CLANG],
	[cray],[_AX_COMPILER_VERSION_CRAY],
	[fujitsu],[_AX_COMPILER_VERSION_FUJITSU],
        [gnu],[_AX_COMPILER_VERSION_GNU],
	[sun],[_AX_COMPILER_VERSION_SUN],
	[hp],[_AX_COMPILER_VERSION_HP],
	[dec],[_AX_COMPILER_VERSION_DEC],
	[borland],[_AX_COMPILER_VERSION_BORLAND],
	[comeau],[_AX_COMPILER_VERSION_COMEAU],
	[kai],[_AX_COMPILER_VERSION_KAI],
	[sgi],[_AX_COMPILER_VERSION_SGI],
	[microsoft],[_AX_COMPILER_VERSION_MICROSOFT],
	[metrowerks],[_AX_COMPILER_VERSION_METROWERKS],
	[watcom],[_AX_COMPILER_VERSION_WATCOM],
	[portland],[_AX_COMPILER_VERSION_PORTLAND],
	[tcc],[_AX_COMPILER_VERSION_TCC],
	[sdcc],[_AX_COMPILER_VERSION_SDCC],
  	[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=""])
    ])
])
m4trace:m4/ax_cxx_check_header.m4:38: -1- AC_DEFUN([AX_CXX_CHECK_HEADER], [
    AC_LANG_PUSH([C++])
    AX_CHECK_PRIVATE_HEADER($1, $2, $3, $4, $5)
    AC_LANG_POP([C++])
])
m4trace:m4/ax_cxx_exceptions.m4:26: -1- AU_DEFUN([AC_CXX_EXCEPTIONS], [m4_if($#, 0, [AX_CXX_EXCEPTIONS], [AX_CXX_EXCEPTIONS($@)])])
m4trace:m4/ax_cxx_exceptions.m4:26: -1- AC_DEFUN([AC_CXX_EXCEPTIONS], [AC_DIAGNOSE([obsolete], [The macro `AC_CXX_EXCEPTIONS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_CXX_EXCEPTIONS], [AX_CXX_EXCEPTIONS($@)])])
m4trace:m4/ax_cxx_exceptions.m4:27: -1- AC_DEFUN([AX_CXX_EXCEPTIONS], [AC_CACHE_CHECK(whether the compiler supports exceptions,
ax_cv_cxx_exceptions,
[AC_LANG_PUSH([C++])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
 [[try { throw 1; } catch (int i) { return i; }]])],
 [ax_cv_cxx_exceptions=yes], [ax_cv_cxx_exceptions=no])
 AC_LANG_POP([C++])
])
if test "$ax_cv_cxx_exceptions" = yes; then
  AC_DEFINE(HAVE_EXCEPTIONS,,[define if the compiler supports exceptions])
fi
])
m4trace:m4/ax_erlang_otp_version.m4:43: -1- AC_DEFUN([AX_ERLANG_SUBST_OTP_VER], [
    AC_REQUIRE([AC_ERLANG_NEED_ERLC])
    AC_REQUIRE([AC_ERLANG_NEED_ERL])
    AC_CACHE_CHECK([for the Erlang OTP release],
        [ax_cv_erlang_otp_ver],
        [AC_LANG_PUSH([Erlang])
         AC_RUN_IFELSE(
            [AC_LANG_PROGRAM([], [
                Version = erlang:system_info(otp_release),
                file:write_file("conftest.out", Version),
                ReturnValue = 0,
                halt(ReturnValue)])],
            [ax_cv_erlang_otp_ver=`cat conftest.out`
             rm -f conftest.out],
            [rm -f conftest.out
             AC_MSG_FAILURE([test Erlang program execution failed])])
         AC_LANG_POP([Erlang])
    ])
    ax_erlang_otp_ver_major=`expr $ax_cv_erlang_otp_ver : 'R*\([[0-9]]*\)'`
    if test "$ax_erlang_otp_ver_major" -ge 17; then
        AC_CACHE_CHECK([for the Erlang OTP version],
            [ax_cv_erlang_otp_package_ver],
            [AC_LANG_PUSH([Erlang])
             AC_RUN_IFELSE(
                [AC_LANG_PROGRAM([], [
                    Major = erlang:system_info(otp_release),
                    Version = try erlang:system_info(otp_correction_package)
                    catch
                        error:badarg ->
                            VersionPath = filename:join([[code:root_dir(),
                                                          "releases", Major,
                                                          "OTP_VERSION"]]),
                            case file:read_file(VersionPath) of
                                {ok, FileVersion} ->
                                    %% 17.1.x and after
                                    [[DetailedVersion |
                                      _]] = binary:split(FileVersion,
                                                         [[<<"\r">>, <<"\n">>,
                                                           <<" ">>]]),
                                    binary_to_list(DetailedVersion);
                                {error, _} ->
                                    Major ++ ".0.0"
                            end
                    end,
                    file:write_file("conftest.out", Version),
                    ReturnValue = 0,
                    halt(ReturnValue)])],
                [ax_cv_erlang_otp_package_ver=`cat conftest.out`
                 rm -f conftest.out],
                [rm -f conftest.out
                 AC_MSG_FAILURE([test Erlang program execution failed])])
             AC_LANG_POP([Erlang])
        ])
        ax_erlang_otp_ver_minor=`expr $ax_cv_erlang_otp_package_ver : '[[0-9]]*\.\([[0-9]]*\)'`
        ax_erlang_otp_ver_patch=`expr $ax_cv_erlang_otp_package_ver : '[[0-9]]*\.[[0-9]]*.\([[0-9]]*\)'`
        ax_erlang_otp_ver_release_candidate=`expr $ax_cv_erlang_otp_package_ver : '.*-rc\([[0-8]]\)'`
        AC_SUBST([ERLANG_OTP_VER], [$ax_cv_erlang_otp_package_ver])
    else
        ax_erlang_otp_ver_minor=`expr $ax_cv_erlang_otp_ver : 'R[[0-9]]*[[AB]]\([[0-9]]*\)'`
        ax_erlang_otp_ver_patch=""
        ax_erlang_otp_ver_type=`expr $ax_cv_erlang_otp_ver : 'R[[0-9]]*\([[AB]]\)'`
        if test "$ax_erlang_otp_ver_type" = "A"; then
            ax_erlang_otp_ver_release_candidate="0"
        elif test "$ax_erlang_otp_ver_type" = "B"; then
            ax_erlang_otp_ver_release_candidate=""
        else
            AC_MSG_FAILURE([invalid version])
        fi
        AC_SUBST([ERLANG_OTP_VER], [$ax_cv_erlang_otp_ver])
    fi
    AC_SUBST([ERLANG_OTP_VER_MAJOR_MINOR],
             ["${ax_erlang_otp_ver_major}_${ax_erlang_otp_ver_minor}"])
    AC_SUBST([ERLANG_OTP_VER_MAJOR], [$ax_erlang_otp_ver_major])
    AC_SUBST([ERLANG_OTP_VER_MINOR], [$ax_erlang_otp_ver_minor])
    AC_SUBST([ERLANG_OTP_VER_PATCH], [$ax_erlang_otp_ver_patch])
    AC_SUBST([ERLANG_OTP_VER_RELEASE_CANDIDATE],
             [$ax_erlang_otp_ver_release_candidate])
])
m4trace:m4/ax_erlang_otp_version.m4:123: -1- AC_DEFUN([AX_ERLANG_REQUIRE_OTP_VER], [
    erlang_otp_version_req=ifelse([$1], ,R10B01,$1)
    erlang_otp_version_req_major=`expr $erlang_otp_version_req : 'R*\([[0-9]]*\)'`
    if test "$erlang_otp_version_req_major" -ge 17; then
        erlang_otp_version_req_minor=`expr $erlang_otp_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
        erlang_otp_version_req_patch=`expr $erlang_otp_version_req : '[[0-9]]*\.[[0-9]]*.\([[0-9]]*\)'`
        erlang_otp_version_req_release_candidate=`expr $erlang_otp_version_req : '.*-rc\([[0-9]]\)'`
        if test "x$erlang_otp_version_req_minor" = "x"; then
            erlang_otp_version_req_minor="0"
        fi
        if test "x$erlang_otp_version_req_patch" = "x"; then
            erlang_otp_version_req_patch="0"
        fi
        if test "x$erlang_otp_version_req_release_candidate" = "x"; then
            erlang_otp_version_req_release_candidate="0"
        fi
        erlang_otp_version_req_int=`expr $erlang_otp_version_req_major \* 1000000 \+ $erlang_otp_version_req_minor \* 1000 \+ $erlang_otp_version_req_patch \* 10 \+ $erlang_otp_version_req_release_candidate`
    else
        erlang_otp_version_req_minor=`expr $erlang_otp_version_req : 'R[[0-9]]*[[AB]]\([[0-9]]*\)'`
        erlang_otp_version_req_type=`expr $erlang_otp_version_req : 'R[[0-9]]*\([[AB]]*\)'`
        if test "$erlang_otp_version_req_type" = "B"; then
            erlang_otp_version_req_int=`expr $erlang_otp_version_req_major \* 1000000 \+ $erlang_otp_version_req_minor \* 1000 \+ 999`
        elif test "$erlang_otp_version_req_type" = "A"; then
            erlang_otp_version_req_int=`expr $erlang_otp_version_req_major \* 1000000 \+ $erlang_otp_version_req_minor \* 1000`
        elif test "x$erlang_otp_version_req_type" = "x"; then
            erlang_otp_version_req_int=`expr $erlang_otp_version_req_major \* 1000000`
        else
            AC_MSG_FAILURE([invalid version])
        fi
    fi

    AC_MSG_CHECKING(for Erlang >= $erlang_otp_version_req)

    AC_REQUIRE([AC_ERLANG_NEED_ERLC])
    AC_REQUIRE([AC_ERLANG_NEED_ERL])
    AC_LANG_PUSH([Erlang])
    AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([], [
            Version = case erlang:system_info(otp_release) of
                [[\$R, Major1, Major2, T1 | MinorT]] ->
                    %% before 17.0
                    Minor = if
                        MinorT == [[]] ->
                            0;
                        true ->
                            %% Remove -1 from R16B03-1
                            list_to_integer(lists:takewhile(fun(C) ->
                                C /= \$-
                            end, MinorT))
                    end,
                    if
                        T1 == \$B ->
                            list_to_integer([[Major1, Major2]]) * 1000000 +
                            Minor * 1000 + 999;
                        T1 == \$A ->
                            list_to_integer([[Major1, Major2]]) * 1000000 +
                            Minor * 1000
                    end;
                Major ->
                    %% 17.0 and after
                    Package = try erlang:system_info(otp_correction_package)
                    catch
                        error:badarg ->
                            VersionPath = filename:join([[code:root_dir(),
                                                          "releases", Major,
                                                          "OTP_VERSION"]]),
                            case file:read_file(VersionPath) of
                                {ok, FileVersion} ->
                                    %% 17.1.x and after
                                    [[DetailedVersion |
                                      _]] = binary:split(FileVersion,
                                                         [[<<"\r">>, <<"\n">>,
                                                           <<" ">>]]),
                                    binary_to_list(DetailedVersion);
                                {error, _} ->
                                    Major ++ ".0.0"
                            end
                    end,
                    [[_, MinorBin |
                      RCStringBin]] = binary:split(list_to_binary(Package),
                                                   [[<<".">>, <<"-">>]],
                                                   [[global]]),
                    RCString = [[binary_to_list(B) || B <- RCStringBin]],
                    {Patch1, Patch2} = case RCString of
                        [["rc" ++ RCStr | _]] ->
                            {"0", RCStr};
                        [[PatchStr1, "rc" ++ RCStr | _]] ->
                            {PatchStr1, RCStr};
                        [[PatchStr1, PatchStr2 | _]] ->
                            {PatchStr1, PatchStr2};
                        [[PatchStr1]] ->
                            {PatchStr1, "0"};
                        [[]] ->
                            {"0", "0"}
                    end,
                    list_to_integer(Major) * 1000000 +
                    list_to_integer(binary_to_list(MinorBin)) * 1000 +
                    list_to_integer(Patch1) * 10 +
                    list_to_integer(Patch2)
            end,
            file:write_file("conftest.out", integer_to_list(Version)),
            ReturnValue = 0,
            halt(ReturnValue)])],
        [ax_erlang_otp_ver=`cat conftest.out`
         rm -f conftest.out],
        [rm -f conftest.out
         AC_MSG_FAILURE([test Erlang program execution failed])
    ])
    AC_LANG_POP([Erlang])

    if test "$ax_erlang_otp_ver" -ge "$erlang_otp_version_req_int"; then
        AC_MSG_RESULT(yes)
        # execute ACTION-IF-FOUND (if present):
        ifelse([$2], , :, [$2])
    else
        AC_MSG_RESULT(no)
        # execute ACTION-IF-NOT-FOUND (if present):
        ifelse([$3], , :, [$3])
    fi
])
m4trace:m4/ax_gmp.m4:41: -1- AC_DEFUN([AX_GMP], [
    AC_LANG_PUSH([C])
    AX_CHECK_PRIVATE_HEADER(gmp.h, ,
        [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/])], ,
        $1)
    CFLAGS_SAVED="$CFLAGS"
    CFLAGS="$GMP_H_CFLAGS $CFLAGS"
    export CFLAGS
    AX_CHECK_PRIVATE_LIB(gmp, gmpz_init,
        [AC_LANG_PROGRAM([[
#include <gmp.h>
         ]], [[
mpz_t a;
mpz_init_set_str(a, "12345678901234567890", 10);
mpz_t b;
mpz_init_set_str(b,  "9876543210987654321", 10);
mpz_add(a, a, b);
         ]])], ,
        [AC_MSG_ERROR([GNU MP not found, see http://gmplib.org/])], ,
        $2)
    CFLAGS="$CFLAGS_SAVED"
    export CFLAGS
    AC_LANG_POP([C])
])
m4trace:m4/ax_lib_socket_nsl.m4:33: -1- AU_DEFUN([LIB_SOCKET_NSL], [m4_if($#, 0, [AX_LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL($@)])])
m4trace:m4/ax_lib_socket_nsl.m4:33: -1- AC_DEFUN([LIB_SOCKET_NSL], [AC_DIAGNOSE([obsolete], [The macro `LIB_SOCKET_NSL' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL($@)])])
m4trace:m4/ax_lib_socket_nsl.m4:34: -1- AC_DEFUN([AX_LIB_SOCKET_NSL], [
	AC_SEARCH_LIBS([gethostbyname], [nsl])
	AC_SEARCH_LIBS([socket], [socket], [], [
		AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"],
		[], [-lnsl])])
])
m4trace:m4/ax_prog_go_version.m4:43: -1- AC_DEFUN([AX_PROG_GO_VERSION], [
    AC_REQUIRE([AC_PROG_SED])

    AS_IF([test -n "$GO"],[
        ax_go_version="$1"

        AC_MSG_CHECKING([for go version])
        GO_VERSION=`$GO version | $SED -e 's/^.* go\([[0-9]]*\.[[0-9]]*\.[[0-9]]*\) .*$/\1/'`
        AC_MSG_RESULT($GO_VERSION)
        AC_SUBST(GO_VERSION)

        AX_COMPARE_VERSION([$ax_go_version],[le],[$GO_VERSION],
            [$2],
            [$3])
    ],[
        AC_MSG_WARN([could not find the go executable])
        $3
    ])
])
m4trace:m4/ax_prog_jar.m4:42: -1- AU_DEFUN([AC_PROG_JAR], [m4_if($#, 0, [AX_PROG_JAR], [AX_PROG_JAR($@)])])
m4trace:m4/ax_prog_jar.m4:42: -1- AC_DEFUN([AC_PROG_JAR], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_JAR' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PROG_JAR], [AX_PROG_JAR($@)])])
m4trace:m4/ax_prog_jar.m4:43: -1- AC_DEFUN([AX_PROG_JAR], [
AS_IF([test "x$JAVAPREFIX" = x],
      [test "x$JAR" = x && AC_CHECK_PROGS([JAR], [jar])],
      [test "x$JAR" = x && AC_CHECK_PROGS([JAR], [jar], [], [$JAVAPREFIX/bin])])
test "x$JAR" = x && AC_MSG_ERROR([no acceptable jar program found in \$PATH])
AC_PROVIDE([$0])dnl
])
m4trace:m4/ax_prog_java.m4:105: -1- AU_DEFUN([AC_PROG_JAVA], [m4_if($#, 0, [AX_PROG_JAVA], [AX_PROG_JAVA($@)])])
m4trace:m4/ax_prog_java.m4:105: -1- AC_DEFUN([AC_PROG_JAVA], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_JAVA' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PROG_JAVA], [AX_PROG_JAVA($@)])])
m4trace:m4/ax_prog_java.m4:106: -1- AC_DEFUN([AX_PROG_JAVA], [
m4_define([m4_ax_prog_java_list], [kaffe java])dnl
AS_IF([test "x$JAVAPREFIX" = x],
      [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list])],
      [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list], [], [$JAVAPREFIX/bin])])
test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH])
m4_undefine([m4_ax_prog_java_list])dnl
AX_PROG_JAVA_WORKS
AC_PROVIDE([$0])dnl
])
m4trace:m4/ax_prog_java_works.m4:52: -1- AU_DEFUN([AC_PROG_JAVA_WORKS], [m4_if($#, 0, [AX_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS($@)])])
m4trace:m4/ax_prog_java_works.m4:52: -1- AC_DEFUN([AC_PROG_JAVA_WORKS], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_JAVA_WORKS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS($@)])])
m4trace:m4/ax_prog_java_works.m4:53: -1- AC_DEFUN([AX_PROG_JAVA_WORKS], [
        if test x$ac_cv_prog_javac_works = xno; then
                AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly])
        fi
        if test x$ac_cv_prog_javac_works = x; then
                AX_PROG_JAVAC
        fi
AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [
JAVA_TEST=Test.java
CLASS_TEST=Test.class
TEST=Test
changequote(, )dnl
cat << \EOF > $JAVA_TEST
/* [#]line __oline__ "configure" */
public class Test {
public static void main (String args[]) {
        System.exit (0);
} }
EOF
changequote([, ])dnl
        if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then
                :
        else
          echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
          cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
          AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?))
        fi
if AC_TRY_COMMAND($JAVA -classpath . $JAVAFLAGS $TEST) >/dev/null 2>&1; then
  ac_cv_prog_java_works=yes
else
  echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
  cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
  AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?))
fi
rm -f $JAVA_TEST $CLASS_TEST
])
AC_PROVIDE([$0])dnl

])
m4trace:m4/ax_prog_javac.m4:69: -1- AU_DEFUN([AC_PROG_JAVAC], [m4_if($#, 0, [AX_PROG_JAVAC], [AX_PROG_JAVAC($@)])])
m4trace:m4/ax_prog_javac.m4:69: -1- AC_DEFUN([AC_PROG_JAVAC], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_JAVAC' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PROG_JAVAC], [AX_PROG_JAVAC($@)])])
m4trace:m4/ax_prog_javac.m4:70: -1- AC_DEFUN([AX_PROG_JAVAC], [
m4_define([m4_ax_prog_javac_list],["gcj -C" guavac jikes javac])dnl
AS_IF([test "x$JAVAPREFIX" = x],
      [test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list])],
      [test "x$JAVAC" = x && AC_CHECK_PROGS([JAVAC], [m4_ax_prog_javac_list], [], [$JAVAPREFIX/bin])])
m4_undefine([m4_ax_prog_javac_list])dnl
test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH])
AX_PROG_JAVAC_WORKS
AC_PROVIDE([$0])dnl
])
m4trace:m4/ax_prog_javac_works.m4:52: -1- AU_DEFUN([AC_PROG_JAVAC_WORKS], [m4_if($#, 0, [AX_PROG_JAVAC_WORKS], [AX_PROG_JAVAC_WORKS($@)])])
m4trace:m4/ax_prog_javac_works.m4:52: -1- AC_DEFUN([AC_PROG_JAVAC_WORKS], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_JAVAC_WORKS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PROG_JAVAC_WORKS], [AX_PROG_JAVAC_WORKS($@)])])
m4trace:m4/ax_prog_javac_works.m4:53: -1- AC_DEFUN([AX_PROG_JAVAC_WORKS], [
AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [
JAVA_TEST=Test.java
CLASS_TEST=Test.class
cat << \EOF > $JAVA_TEST
/* [#]line __oline__ "configure" */
public class Test {
}
EOF
if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) >/dev/null 2>&1; then
  ac_cv_prog_javac_works=yes
else
  AC_MSG_ERROR([The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)])
  echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
  cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
fi
rm -f $JAVA_TEST $CLASS_TEST
])
AC_PROVIDE([$0])dnl
])
m4trace:m4/ax_prog_python_version.m4:40: -1- AC_DEFUN([AX_PROG_PYTHON_VERSION], [
    AC_REQUIRE([AC_PROG_SED])
    AC_REQUIRE([AC_PROG_GREP])

    AS_IF([test -n "$PYTHON"],[
        ax_python_version="$1"

        AC_MSG_CHECKING([for python version])
        changequote(<<,>>)
        python_version=`$PYTHON -V 2>&1 | $GREP "^Python " | $SED -e 's/^.* \([0-9]*\.[0-9]*\.[0-9]*\)/\1/'`
        changequote([,])
        AC_MSG_RESULT($python_version)

	AC_SUBST([PYTHON_VERSION],[$python_version])

        AX_COMPARE_VERSION([$ax_python_version],[le],[$python_version],[
	    :
            $2
        ],[
	    :
            $3
        ])
    ],[
        AC_MSG_WARN([could not find the python interpreter])
        $3
    ])
])
m4trace:m4/ax_prog_ruby_version.m4:40: -1- AC_DEFUN([AX_PROG_RUBY_VERSION], [
    AC_REQUIRE([AC_PROG_SED])
    AC_REQUIRE([AC_PROG_GREP])

    AS_IF([test -n "$RUBY"],[
        ax_ruby_version="$1"

        AC_MSG_CHECKING([for ruby version])
        changequote(<<,>>)
        ruby_version=`$RUBY --version 2>&1 | $GREP "^ruby " | $SED -e 's/^.* \([0-9]*\.[0-9]*\.[0-9]*\) .*/\1/'`
        changequote([,])
        AC_MSG_RESULT($ruby_version)

	AC_SUBST([RUBY_VERSION],[$ruby_version])

        AX_COMPARE_VERSION([$ax_ruby_version],[le],[$ruby_version],[
	    :
            $2
        ],[
	    :
            $3
        ])
    ],[
        AC_MSG_WARN([could not find the ruby interpreter])
        $3
    ])
])
m4trace:m4/ax_pthread.m4:92: -1- AU_DEFUN([ACX_PTHREAD], [m4_if($#, 0, [AX_PTHREAD], [AX_PTHREAD($@)])])
m4trace:m4/ax_pthread.m4:92: -1- AC_DEFUN([ACX_PTHREAD], [AC_DIAGNOSE([obsolete], [The macro `ACX_PTHREAD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PTHREAD], [AX_PTHREAD($@)])])
m4trace:m4/ax_pthread.m4:93: -1- AC_DEFUN([AX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_TARGET])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
ax_pthread_ok=no

# We used to check for pthread.h first, but this fails if pthread.h
# requires special compiler flags (e.g. on Tru64 or Sequent).
# It gets checked for in the link test anyway.

# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
        ax_pthread_save_CC="$CC"
        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
        AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"
        AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
        AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
        AC_MSG_RESULT([$ax_pthread_ok])
        if test "x$ax_pthread_ok" = "xno"; then
                PTHREAD_LIBS=""
                PTHREAD_CFLAGS=""
        fi
        CC="$ax_pthread_save_CC"
        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"
fi

# We must check for the threads library under a number of different
# names; the ordering is very important because some systems
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).

# Create a list of thread flags to try. Items with a "," contain both
# C compiler flags (before ",") and linker flags (after ","). Other items
# starting with a "-" are C compiler flags, and remaining items are
# library names, except for "none" which indicates that we try without
# any flags at all, and "pthread-config" which is a program returning
# the flags for the Pth emulation library.

ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"

# The ordering *is* (sometimes) important.  Some notes on the
# individual items follow:

# pthreads: AIX (must check this before -lpthread)
# none: in case threads are in libc; should be tried before -Kthread and
#       other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
#           (Note: HP C rejects this with "bad form for `-t' option")
# -pthreads: Solaris/gcc (Note: HP C also rejects)
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
#      doesn't hurt to check since this sometimes defines pthreads and
#      -D_REENTRANT too), HP C (must be checked before -lpthread, which
#      is present but should not be used directly; and before -mthreads,
#      because the compiler interprets this as "-mt" + "-hreads")
# -mthreads: Mingw32/gcc, Lynx/gcc
# pthread: Linux, etcetera
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)

case $target_os in

        freebsd*)

        # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
        # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)

        ax_pthread_flags="-kthread lthread $ax_pthread_flags"
        ;;

        hpux*)

        # From the cc(1) man page: "[-mt] Sets various -D flags to enable
        # multi-threading and also sets -lpthread."

        ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
        ;;

        openedition*)

        # IBM z/OS requires a feature-test macro to be defined in order to
        # enable POSIX threads at all, so give the user a hint if this is
        # not set. (We don't define these ourselves, as they can affect
        # other portions of the system API in unpredictable ways.)

        AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
            [
#            if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
             AX_PTHREAD_ZOS_MISSING
#            endif
            ],
            [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
        ;;

        solaris*)

        # On Solaris (at least, for some versions), libc contains stubbed
        # (non-functional) versions of the pthreads routines, so link-based
        # tests will erroneously succeed. (N.B.: The stubs are missing
        # pthread_cleanup_push, or rather a function called by this macro,
        # so we could check for that, but who knows whether they'll stub
        # that too in a future libc.)  So we'll check first for the
        # standard Solaris way of linking pthreads (-mt -lpthread).

        ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
        ;;
esac

# Are we compiling with Clang?

AC_CACHE_CHECK([whether $CC is Clang],
    [ax_cv_PTHREAD_CLANG],
    [ax_cv_PTHREAD_CLANG=no
     # Note that Autoconf sets GCC=yes for Clang as well as GCC
     if test "x$GCC" = "xyes"; then
        AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
            [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
#            if defined(__clang__) && defined(__llvm__)
             AX_PTHREAD_CC_IS_CLANG
#            endif
            ],
            [ax_cv_PTHREAD_CLANG=yes])
     fi
    ])
ax_pthread_clang="$ax_cv_PTHREAD_CLANG"


# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)

# Note that for GCC and Clang -pthread generally implies -lpthread,
# except when -nostdlib is passed.
# This is problematic using libtool to build C++ shared libraries with pthread:
# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
# To solve this, first try -pthread together with -lpthread for GCC

AS_IF([test "x$GCC" = "xyes"],
      [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"])

# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first

AS_IF([test "x$ax_pthread_clang" = "xyes"],
      [ax_pthread_flags="-pthread,-lpthread -pthread"])


# The presence of a feature test macro requesting re-entrant function
# definitions is, on some systems, a strong hint that pthreads support is
# correctly enabled

case $target_os in
        darwin* | hpux* | linux* | osf* | solaris*)
        ax_pthread_check_macro="_REENTRANT"
        ;;

        aix*)
        ax_pthread_check_macro="_THREAD_SAFE"
        ;;

        *)
        ax_pthread_check_macro="--"
        ;;
esac
AS_IF([test "x$ax_pthread_check_macro" = "x--"],
      [ax_pthread_check_cond=0],
      [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])


if test "x$ax_pthread_ok" = "xno"; then
for ax_pthread_try_flag in $ax_pthread_flags; do

        case $ax_pthread_try_flag in
                none)
                AC_MSG_CHECKING([whether pthreads work without any flags])
                ;;

                *,*)
                PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"`
                PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"`
                AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"])
                ;;

                -*)
                AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
                PTHREAD_CFLAGS="$ax_pthread_try_flag"
                ;;

                pthread-config)
                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
                AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
                PTHREAD_CFLAGS="`pthread-config --cflags`"
                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
                ;;

                *)
                AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
                PTHREAD_LIBS="-l$ax_pthread_try_flag"
                ;;
        esac

        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"

        # Check for various functions.  We must include pthread.h,
        # since some functions may be macros.  (On the Sequent, we
        # need a special flag -Kthread to make this header compile.)
        # We check for pthread_join because it is in -lpthread on IRIX
        # while pthread_create is in libc.  We check for pthread_attr_init
        # due to DEC craziness with -lpthreads.  We check for
        # pthread_cleanup_push because it is one of the few pthread
        # functions on Solaris that doesn't have a non-functional libc stub.
        # We try pthread_create on general principles.

        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
#                       if $ax_pthread_check_cond
#                        error "$ax_pthread_check_macro must be defined"
#                       endif
                        static void *some_global = NULL;
                        static void routine(void *a)
                          {
                             /* To avoid any unused-parameter or
                                unused-but-set-parameter warning.  */
                             some_global = a;
                          }
                        static void *start_routine(void *a) { return a; }],
                       [pthread_t th; pthread_attr_t attr;
                        pthread_create(&th, 0, start_routine, 0);
                        pthread_join(th, 0);
                        pthread_attr_init(&attr);
                        pthread_cleanup_push(routine, 0);
                        pthread_cleanup_pop(0) /* ; */])],
            [ax_pthread_ok=yes],
            [])

        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"

        AC_MSG_RESULT([$ax_pthread_ok])
        AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])

        PTHREAD_LIBS=""
        PTHREAD_CFLAGS=""
done
fi


# Clang needs special handling, because older versions handle the -pthread
# option in a rather... idiosyncratic way

if test "x$ax_pthread_clang" = "xyes"; then

        # Clang takes -pthread; it has never supported any other flag

        # (Note 1: This will need to be revisited if a system that Clang
        # supports has POSIX threads in a separate library.  This tends not
        # to be the way of modern systems, but it's conceivable.)

        # (Note 2: On some systems, notably Darwin, -pthread is not needed
        # to get POSIX threads support; the API is always present and
        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
        # -pthread does define _REENTRANT, and while the Darwin headers
        # ignore this macro, third-party headers might not.)

        # However, older versions of Clang make a point of warning the user
        # that, in an invocation where only linking and no compilation is
        # taking place, the -pthread option has no effect ("argument unused
        # during compilation").  They expect -pthread to be passed in only
        # when source code is being compiled.
        #
        # Problem is, this is at odds with the way Automake and most other
        # C build frameworks function, which is that the same flags used in
        # compilation (CFLAGS) are also used in linking.  Many systems
        # supported by AX_PTHREAD require exactly this for POSIX threads
        # support, and in fact it is often not straightforward to specify a
        # flag that is used only in the compilation phase and not in
        # linking.  Such a scenario is extremely rare in practice.
        #
        # Even though use of the -pthread flag in linking would only print
        # a warning, this can be a nuisance for well-run software projects
        # that build with -Werror.  So if the active version of Clang has
        # this misfeature, we search for an option to squash it.

        AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
             # Create an alternate version of $ac_link that compiles and
             # links in two steps (.c -> .o, .o -> exe) instead of one
             # (.c -> exe), because the warning occurs only in the second
             # step
             ax_pthread_save_ac_link="$ac_link"
             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
             ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed "$ax_pthread_sed"`
             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
             ax_pthread_save_CFLAGS="$CFLAGS"
             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
                AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
                ac_link="$ax_pthread_save_ac_link"
                AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
                    [ac_link="$ax_pthread_2step_ac_link"
                     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
                         [break])
                    ])
             done
             ac_link="$ax_pthread_save_ac_link"
             CFLAGS="$ax_pthread_save_CFLAGS"
             AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
            ])

        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
                no | unknown) ;;
                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
        esac

fi # $ax_pthread_clang = yes



# Various other checks:
if test "x$ax_pthread_ok" = "xyes"; then
        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"

        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
        AC_CACHE_CHECK([for joinable pthread attribute],
            [ax_cv_PTHREAD_JOINABLE_ATTR],
            [ax_cv_PTHREAD_JOINABLE_ATTR=unknown
             for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
                 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
                                                 [int attr = $ax_pthread_attr; return attr /* ; */])],
                                [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
                                [])
             done
            ])
        AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
               test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
               test "x$ax_pthread_joinable_attr_defined" != "xyes"],
              [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
                                  [$ax_cv_PTHREAD_JOINABLE_ATTR],
                                  [Define to necessary symbol if this constant
                                   uses a non-standard name on your system.])
               ax_pthread_joinable_attr_defined=yes
              ])

        AC_CACHE_CHECK([whether more special flags are required for pthreads],
            [ax_cv_PTHREAD_SPECIAL_FLAGS],
            [ax_cv_PTHREAD_SPECIAL_FLAGS=no
             case $target_os in
             solaris*)
             ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
             ;;
             esac
            ])
        AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
               test "x$ax_pthread_special_flags_added" != "xyes"],
              [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
               ax_pthread_special_flags_added=yes])

        AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
            [ax_cv_PTHREAD_PRIO_INHERIT],
            [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
                                             [[int i = PTHREAD_PRIO_INHERIT;
                                               return i;]])],
                            [ax_cv_PTHREAD_PRIO_INHERIT=yes],
                            [ax_cv_PTHREAD_PRIO_INHERIT=no])
            ])
        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
               test "x$ax_pthread_prio_inherit_defined" != "xyes"],
              [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
               ax_pthread_prio_inherit_defined=yes
              ])

        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"

        # More AIX lossage: compile with *_r variant
        if test "x$GCC" != "xyes"; then
            case $target_os in
                aix*)
                AS_CASE(["x/$CC"],
                    [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
                    [#handle absolute path differently from PATH based program lookup
                     AS_CASE(["x$CC"],
                         [x/*],
                         [
      AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
      AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
    ],
                         [
      AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
      AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
    ]
                     )
                    ])
                ;;
            esac
        fi
fi

test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX"

AC_SUBST([PTHREAD_LIBS])
AC_SUBST([PTHREAD_CFLAGS])
AC_SUBST([PTHREAD_CC])
AC_SUBST([PTHREAD_CXX])

# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "x$ax_pthread_ok" = "xyes"; then
        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
        :
else
        ax_pthread_ok=no
        $2
fi
AC_LANG_POP
])
m4trace:m4/ax_python_c.m4:40: -1- AC_DEFUN([AX_PYTHON_C], [
    if test "x$PYTHON_VERSION_REQUIRED" = "x2"; then
        executable="python"
    else
        executable="python$PYTHON_VERSION_REQUIRED"
    fi
    if test "x$PYTHON_DEBUG" == "xno"; then
        executable="$executable-config"
    else
        executable="$executable-dbg-config"
    fi
    AC_ARG_VAR([PYTHON_CONFIG],[python-config executable])
    AC_PATH_PROGS([PYTHON_CONFIG],
        [$executable],
        [AC_MSG_ERROR([python-config not found])],
        [`AS_DIRNAME("$PYTHON")`])
    PYTHON_CFLAGS=`$PYTHON_CONFIG --cflags`
    AC_SUBST(PYTHON_CFLAGS)
    PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
    AC_SUBST(PYTHON_LDFLAGS)
])
m4trace:m4/ax_recursive_eval.m4:47: -1- AC_DEFUN([AX_RECURSIVE_EVAL], [_lcl_receval="$1"
$2=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix"
     test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
     _lcl_receval_old=''
     while test "[$]_lcl_receval_old" != "[$]_lcl_receval"; do
       _lcl_receval_old="[$]_lcl_receval"
       eval _lcl_receval="\"[$]_lcl_receval\""
     done
     echo "[$]_lcl_receval")`])
m4trace:m4/ax_syscall_lock.m4:36: -1- AC_DEFUN([AX_SYSCALL_LOCK], [
    AS_CASE([$host_os],
            [openbsd*], [syscall_lock="pledge"],
            [linux*], [syscall_lock="libseccomp"],
            [*], [syscall_lock=""])

    AC_LANG_PUSH([C])

    if test "x$syscall_lock" = "xpledge"; then
        AC_LINK_IFELSE(
            [AC_LANG_PROGRAM([[
#include <unistd.h>
             ]], [[
pledge(0,"stdio");
             ]])],
            [],
            [syscall_lock=""])
    elif test "x$syscall_lock" = "xlibseccomp"; then
        AX_CHECK_PRIVATE_LIB(seccomp, seccomp_init,
            [AC_LANG_PROGRAM([[
#include <seccomp.h>
             ]], [[
seccomp_init(SCMP_ACT_KILL_PROCESS);
             ]])],
            [AC_LINK_IFELSE(
                 [AC_LANG_PROGRAM([[
#include <sys/prctl.h>
                  ]], [[
prctl(PR_SET_NO_NEW_PRIVS, 1);
                  ]])],
                 [],
                 [syscall_lock=""])],
            [syscall_lock=""])
    fi
    SYSCALL_LOCK_TYPE="undefined"
    SYSCALL_LOCK_LDFLAGS=""
    SYSCALL_LOCK_LIB=""
    AC_MSG_CHECKING([for syscall_lock])
    if test "x$syscall_lock" = "xpledge"; then
        SYSCALL_LOCK_TYPE="pledge"
        AC_DEFINE([SYSCALL_LOCK_USE_PLEDGE], [1],
                  [Provide syscall_lock option with pledge.])
        AC_MSG_RESULT([pledge])
    elif test "x$syscall_lock" = "xlibseccomp"; then
        SYSCALL_LOCK_TYPE="function"
        SYSCALL_LOCK_LDFLAGS=$SECCOMP_LDFLAGS
        SYSCALL_LOCK_LIB=$SECCOMP_LIB
        AC_DEFINE([SYSCALL_LOCK_USE_SECCOMP], [1],
                  [Provide syscall_lock option with seccomp.])
        AC_MSG_RESULT([seccomp])
    else
        AC_MSG_RESULT([none])
    fi
    AC_LANG_POP([C])
    AC_SUBST(SYSCALL_LOCK_TYPE)
    AC_SUBST(SYSCALL_LOCK_LDFLAGS)
    AC_SUBST(SYSCALL_LOCK_LIB)
])
m4trace:m4/ax_try_compile_java.m4:34: -1- AU_DEFUN([AC_TRY_COMPILE_JAVA], [m4_if($#, 0, [AX_TRY_COMPILE_JAVA], [AX_TRY_COMPILE_JAVA($@)])])
m4trace:m4/ax_try_compile_java.m4:34: -1- AC_DEFUN([AC_TRY_COMPILE_JAVA], [AC_DIAGNOSE([obsolete], [The macro `AC_TRY_COMPILE_JAVA' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_TRY_COMPILE_JAVA], [AX_TRY_COMPILE_JAVA($@)])])
m4trace:m4/ax_try_compile_java.m4:35: -1- AC_DEFUN([AX_TRY_COMPILE_JAVA], [
AC_REQUIRE([AX_PROG_JAVAC])dnl
cat << \EOF > Test.java
/* [#]line __oline__ "configure" */
ifelse([$1], , , [import $1;])
public class Test {
[$2]
}
EOF
if AC_TRY_COMMAND($JAVAC $JAVACFLAGS Test.java) && test -s Test.class
then
dnl Don't remove the temporary files here, so they can be examined.
  ifelse([$3], , :, [$3])
else
  echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
  cat Test.java >&AS_MESSAGE_LOG_FD
ifelse([$4], , , [  rm -f Test.java Test.class
  $4
])dnl
fi
rm -f Test.java Test.class])
m4trace:m4/libtool.m4:61: -1- AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_BEFORE([$0], [LT_LANG])dnl
AC_BEFORE([$0], [LT_OUTPUT])dnl
AC_BEFORE([$0], [LTDL_INIT])dnl
m4_require([_LT_CHECK_BUILDDIR])dnl

dnl Autoconf doesn't catch unexpanded LT_ macros by default:
m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
dnl unless we require an AC_DEFUNed macro:
AC_REQUIRE([LTOPTIONS_VERSION])dnl
AC_REQUIRE([LTSUGAR_VERSION])dnl
AC_REQUIRE([LTVERSION_VERSION])dnl
AC_REQUIRE([LTOBSOLETE_VERSION])dnl
m4_require([_LT_PROG_LTMAIN])dnl

_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])

dnl Parse OPTIONS
_LT_SET_OPTIONS([$0], [$1])

# This can be used to rebuild libtool when needed
LIBTOOL_DEPS=$ltmain

# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl

_LT_SETUP

# Only expand once:
m4_define([LT_INIT])
])
m4trace:m4/libtool.m4:99: -1- AU_DEFUN([AC_PROG_LIBTOOL], [m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:m4/libtool.m4:99: -1- AC_DEFUN([AC_PROG_LIBTOOL], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_LIBTOOL' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:m4/libtool.m4:100: -1- AU_DEFUN([AM_PROG_LIBTOOL], [m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:m4/libtool.m4:100: -1- AC_DEFUN([AM_PROG_LIBTOOL], [AC_DIAGNOSE([obsolete], [The macro `AM_PROG_LIBTOOL' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:m4/libtool.m4:619: -1- AC_DEFUN([LT_OUTPUT], [: ${CONFIG_LT=./config.lt}
AC_MSG_NOTICE([creating $CONFIG_LT])
_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
[# Run this file to recreate a libtool stub with the current configuration.])

cat >>"$CONFIG_LT" <<\_LTEOF
lt_cl_silent=false
exec AS_MESSAGE_LOG_FD>>config.log
{
  echo
  AS_BOX([Running $as_me.])
} >&AS_MESSAGE_LOG_FD

lt_cl_help="\
'$as_me' creates a local libtool stub from the current configuration,
for use in further configure time tests before the real libtool is
generated.

Usage: $[0] [[OPTIONS]]

  -h, --help      print this help, then exit
  -V, --version   print version number, then exit
  -q, --quiet     do not print progress messages
  -d, --debug     don't remove temporary files

Report bugs to <bug-libtool@gnu.org>."

lt_cl_version="\
m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
configured by $[0], generated by m4_PACKAGE_STRING.

Copyright (C) 2011 Free Software Foundation, Inc.
This config.lt script is free software; the Free Software Foundation
gives unlimited permision to copy, distribute and modify it."

while test 0 != $[#]
do
  case $[1] in
    --version | --v* | -V )
      echo "$lt_cl_version"; exit 0 ;;
    --help | --h* | -h )
      echo "$lt_cl_help"; exit 0 ;;
    --debug | --d* | -d )
      debug=: ;;
    --quiet | --q* | --silent | --s* | -q )
      lt_cl_silent=: ;;

    -*) AC_MSG_ERROR([unrecognized option: $[1]
Try '$[0] --help' for more information.]) ;;

    *) AC_MSG_ERROR([unrecognized argument: $[1]
Try '$[0] --help' for more information.]) ;;
  esac
  shift
done

if $lt_cl_silent; then
  exec AS_MESSAGE_FD>/dev/null
fi
_LTEOF

cat >>"$CONFIG_LT" <<_LTEOF
_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
_LTEOF

cat >>"$CONFIG_LT" <<\_LTEOF
AC_MSG_NOTICE([creating $ofile])
_LT_OUTPUT_LIBTOOL_COMMANDS
AS_EXIT(0)
_LTEOF
chmod +x "$CONFIG_LT"

# configure is writing to config.log, but config.lt does its own redirection,
# appending to config.log, which fails on DOS, as config.log is still kept
# open by configure.  Here we exec the FD to /dev/null, effectively closing
# config.log, so it can be properly (re)opened and appended to by config.lt.
lt_cl_success=:
test yes = "$silent" &&
  lt_config_lt_args="$lt_config_lt_args --quiet"
exec AS_MESSAGE_LOG_FD>/dev/null
$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
exec AS_MESSAGE_LOG_FD>>config.log
$lt_cl_success || AS_EXIT(1)
])
m4trace:m4/libtool.m4:811: -1- AC_DEFUN([LT_SUPPORTED_TAG], [])
m4trace:m4/libtool.m4:822: -1- AC_DEFUN([LT_LANG], [AC_BEFORE([$0], [LT_OUTPUT])dnl
m4_case([$1],
  [C],			[_LT_LANG(C)],
  [C++],		[_LT_LANG(CXX)],
  [Go],			[_LT_LANG(GO)],
  [Java],		[_LT_LANG(GCJ)],
  [Fortran 77],		[_LT_LANG(F77)],
  [Fortran],		[_LT_LANG(FC)],
  [Windows Resource],	[_LT_LANG(RC)],
  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
    [_LT_LANG($1)],
    [m4_fatal([$0: unsupported language: "$1"])])])dnl
])
m4trace:m4/libtool.m4:914: -1- AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
m4trace:m4/libtool.m4:914: -1- AC_DEFUN([AC_LIBTOOL_CXX], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_CXX' is obsolete.
You should run autoupdate.])dnl
LT_LANG(C++)])
m4trace:m4/libtool.m4:915: -1- AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
m4trace:m4/libtool.m4:915: -1- AC_DEFUN([AC_LIBTOOL_F77], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_F77' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Fortran 77)])
m4trace:m4/libtool.m4:916: -1- AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
m4trace:m4/libtool.m4:916: -1- AC_DEFUN([AC_LIBTOOL_FC], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_FC' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Fortran)])
m4trace:m4/libtool.m4:917: -1- AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
m4trace:m4/libtool.m4:917: -1- AC_DEFUN([AC_LIBTOOL_GCJ], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_GCJ' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Java)])
m4trace:m4/libtool.m4:918: -1- AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
m4trace:m4/libtool.m4:918: -1- AC_DEFUN([AC_LIBTOOL_RC], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_RC' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Windows Resource)])
m4trace:m4/libtool.m4:1246: -1- AC_DEFUN([_LT_WITH_SYSROOT], [AC_MSG_CHECKING([for sysroot])
AC_ARG_WITH([sysroot],
[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
  [Search for dependent libraries within DIR (or the compiler's sysroot
   if not specified).])],
[], [with_sysroot=no])

dnl lt_sysroot will always be passed unquoted.  We quote it here
dnl in case the user passed a directory name.
lt_sysroot=
case $with_sysroot in #(
 yes)
   if test yes = "$GCC"; then
     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
   fi
   ;; #(
 /*)
   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
   ;; #(
 no|'')
   ;; #(
 *)
   AC_MSG_RESULT([$with_sysroot])
   AC_MSG_ERROR([The sysroot must be an absolute path.])
   ;;
esac

 AC_MSG_RESULT([${lt_sysroot:-no}])
_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
[dependent libraries, and where our libraries should be installed.])])
m4trace:m4/libtool.m4:1577: -1- AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl
m4_require([_LT_DECL_SED])dnl
AC_CACHE_CHECK([$1], [$2],
  [$2=no
   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&AS_MESSAGE_LOG_FD
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       $2=yes
     fi
   fi
   $RM conftest*
])

if test yes = "[$]$2"; then
    m4_if([$5], , :, [$5])
else
    m4_if([$6], , :, [$6])
fi
])
m4trace:m4/libtool.m4:1619: -1- AU_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [m4_if($#, 0, [_LT_COMPILER_OPTION], [_LT_COMPILER_OPTION($@)])])
m4trace:m4/libtool.m4:1619: -1- AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_COMPILER_OPTION' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_COMPILER_OPTION], [_LT_COMPILER_OPTION($@)])])
m4trace:m4/libtool.m4:1628: -1- AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl
m4_require([_LT_DECL_SED])dnl
AC_CACHE_CHECK([$1], [$2],
  [$2=no
   save_LDFLAGS=$LDFLAGS
   LDFLAGS="$LDFLAGS $3"
   echo "$lt_simple_link_test_code" > conftest.$ac_ext
   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
     # The linker can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test -s conftest.err; then
       # Append any errors to the config.log.
       cat conftest.err 1>&AS_MESSAGE_LOG_FD
       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
       if diff conftest.exp conftest.er2 >/dev/null; then
         $2=yes
       fi
     else
       $2=yes
     fi
   fi
   $RM -r conftest*
   LDFLAGS=$save_LDFLAGS
])

if test yes = "[$]$2"; then
    m4_if([$4], , :, [$4])
else
    m4_if([$5], , :, [$5])
fi
])
m4trace:m4/libtool.m4:1663: -1- AU_DEFUN([AC_LIBTOOL_LINKER_OPTION], [m4_if($#, 0, [_LT_LINKER_OPTION], [_LT_LINKER_OPTION($@)])])
m4trace:m4/libtool.m4:1663: -1- AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_LINKER_OPTION' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_LINKER_OPTION], [_LT_LINKER_OPTION($@)])])
m4trace:m4/libtool.m4:1670: -1- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
# find the maximum length of command line arguments
AC_MSG_CHECKING([the maximum length of command line arguments])
AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
  i=0
  teststring=ABCD

  case $build_os in
  msdosdjgpp*)
    # On DJGPP, this test can blow up pretty badly due to problems in libc
    # (any single argument exceeding 2000 bytes causes a buffer overrun
    # during glob expansion).  Even if it were fixed, the result of this
    # check would be larger than it should be.
    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
    ;;

  gnu*)
    # Under GNU Hurd, this test is not required because there is
    # no limit to the length of command line arguments.
    # Libtool will interpret -1 as no limit whatsoever
    lt_cv_sys_max_cmd_len=-1;
    ;;

  cygwin* | mingw* | cegcc*)
    # On Win9x/ME, this test blows up -- it succeeds, but takes
    # about 5 minutes as the teststring grows exponentially.
    # Worse, since 9x/ME are not pre-emptively multitasking,
    # you end up with a "frozen" computer, even though with patience
    # the test eventually succeeds (with a max line length of 256k).
    # Instead, let's just punt: use the minimum linelength reported by
    # all of the supported platforms: 8192 (on NT/2K/XP).
    lt_cv_sys_max_cmd_len=8192;
    ;;

  mint*)
    # On MiNT this can take a long time and run out of memory.
    lt_cv_sys_max_cmd_len=8192;
    ;;

  amigaos*)
    # On AmigaOS with pdksh, this test takes hours, literally.
    # So we just punt and use a minimum line length of 8192.
    lt_cv_sys_max_cmd_len=8192;
    ;;

  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
    # This has been around since 386BSD, at least.  Likely further.
    if test -x /sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
    elif test -x /usr/sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
    else
      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
    fi
    # And add a safety zone
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    ;;

  interix*)
    # We know the value 262144 and hardcode it with a safety zone (like BSD)
    lt_cv_sys_max_cmd_len=196608
    ;;

  os2*)
    # The test takes a long time on OS/2.
    lt_cv_sys_max_cmd_len=8192
    ;;

  osf*)
    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
    # nice to cause kernel panics so lets avoid the loop below.
    # First set a reasonable default.
    lt_cv_sys_max_cmd_len=16384
    #
    if test -x /sbin/sysconfig; then
      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
        *1*) lt_cv_sys_max_cmd_len=-1 ;;
      esac
    fi
    ;;
  sco3.2v5*)
    lt_cv_sys_max_cmd_len=102400
    ;;
  sysv5* | sco5v6* | sysv4.2uw2*)
    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
    if test -n "$kargmax"; then
      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[	 ]]//'`
    else
      lt_cv_sys_max_cmd_len=32768
    fi
    ;;
  *)
    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
    if test -n "$lt_cv_sys_max_cmd_len" && \
       test undefined != "$lt_cv_sys_max_cmd_len"; then
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    else
      # Make teststring a little bigger before we do anything with it.
      # a 1K string should be a reasonable start.
      for i in 1 2 3 4 5 6 7 8; do
        teststring=$teststring$teststring
      done
      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
      # If test is not a shell built-in, we'll probably end up computing a
      # maximum length that is only half of the actual maximum length, but
      # we can't tell.
      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
	      test 17 != "$i" # 1/2 MB should be enough
      do
        i=`expr $i + 1`
        teststring=$teststring$teststring
      done
      # Only check the string length outside the loop.
      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
      teststring=
      # Add a significant safety factor because C++ compilers can tack on
      # massive amounts of additional arguments before passing them to the
      # linker.  It appears as though 1/2 is a usable value.
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
    fi
    ;;
  esac
])
if test -n "$lt_cv_sys_max_cmd_len"; then
  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
else
  AC_MSG_RESULT(none)
fi
max_cmd_len=$lt_cv_sys_max_cmd_len
_LT_DECL([], [max_cmd_len], [0],
    [What is the maximum length of a command?])
])
m4trace:m4/libtool.m4:1809: -1- AU_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [m4_if($#, 0, [LT_CMD_MAX_LEN], [LT_CMD_MAX_LEN($@)])])
m4trace:m4/libtool.m4:1809: -1- AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_SYS_MAX_CMD_LEN' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_CMD_MAX_LEN], [LT_CMD_MAX_LEN($@)])])
m4trace:m4/libtool.m4:1920: -1- AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl
if test yes != "$enable_dlopen"; then
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
  lt_cv_dlopen=no
  lt_cv_dlopen_libs=

  case $host_os in
  beos*)
    lt_cv_dlopen=load_add_on
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ;;

  mingw* | pw32* | cegcc*)
    lt_cv_dlopen=LoadLibrary
    lt_cv_dlopen_libs=
    ;;

  cygwin*)
    lt_cv_dlopen=dlopen
    lt_cv_dlopen_libs=
    ;;

  darwin*)
    # if libdl is installed we need to link against it
    AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
    lt_cv_dlopen=dyld
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ])
    ;;

  tpf*)
    # Don't try to run any link tests for TPF.  We know it's impossible
    # because TPF is a cross-compiler, and we know how we open DSOs.
    lt_cv_dlopen=dlopen
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=no
    ;;

  *)
    AC_CHECK_FUNC([shl_load],
	  [lt_cv_dlopen=shl_load],
      [AC_CHECK_LIB([dld], [shl_load],
	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
	[AC_CHECK_FUNC([dlopen],
	      [lt_cv_dlopen=dlopen],
	  [AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
	    [AC_CHECK_LIB([svld], [dlopen],
		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
	      [AC_CHECK_LIB([dld], [dld_link],
		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
	      ])
	    ])
	  ])
	])
      ])
    ;;
  esac

  if test no = "$lt_cv_dlopen"; then
    enable_dlopen=no
  else
    enable_dlopen=yes
  fi

  case $lt_cv_dlopen in
  dlopen)
    save_CPPFLAGS=$CPPFLAGS
    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"

    save_LDFLAGS=$LDFLAGS
    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

    save_LIBS=$LIBS
    LIBS="$lt_cv_dlopen_libs $LIBS"

    AC_CACHE_CHECK([whether a program can dlopen itself],
	  lt_cv_dlopen_self, [dnl
	  _LT_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
    ])

    if test yes = "$lt_cv_dlopen_self"; then
      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
	  lt_cv_dlopen_self_static, [dnl
	  _LT_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
      ])
    fi

    CPPFLAGS=$save_CPPFLAGS
    LDFLAGS=$save_LDFLAGS
    LIBS=$save_LIBS
    ;;
  esac

  case $lt_cv_dlopen_self in
  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  *) enable_dlopen_self=unknown ;;
  esac

  case $lt_cv_dlopen_self_static in
  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  *) enable_dlopen_self_static=unknown ;;
  esac
fi
_LT_DECL([dlopen_support], [enable_dlopen], [0],
	 [Whether dlopen is supported])
_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
	 [Whether dlopen of programs is supported])
_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
	 [Whether dlopen of statically linked programs is supported])
])
m4trace:m4/libtool.m4:2045: -1- AU_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [m4_if($#, 0, [LT_SYS_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF($@)])])
m4trace:m4/libtool.m4:2045: -1- AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_DLOPEN_SELF' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF($@)])])
m4trace:m4/libtool.m4:3166: -1- AC_DEFUN([_LT_PATH_TOOL_PREFIX], [m4_require([_LT_DECL_EGREP])dnl
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
[case $MAGIC_CMD in
[[\\/*] |  ?:[\\/]*])
  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
  ;;
*)
  lt_save_MAGIC_CMD=$MAGIC_CMD
  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word.  This closes a longstanding sh security hole.
  ac_dummy="m4_if([$2], , $PATH, [$2])"
  for ac_dir in $ac_dummy; do
    IFS=$lt_save_ifs
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$1"; then
      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
      if test -n "$file_magic_test_file"; then
	case $deplibs_check_method in
	"file_magic "*)
	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
	    $EGREP "$file_magic_regex" > /dev/null; then
	    :
	  else
	    cat <<_LT_EOF 1>&2

*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such.  This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem.  Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** bug-libtool@gnu.org

_LT_EOF
	  fi ;;
	esac
      fi
      break
    fi
  done
  IFS=$lt_save_ifs
  MAGIC_CMD=$lt_save_MAGIC_CMD
  ;;
esac])
MAGIC_CMD=$lt_cv_path_MAGIC_CMD
if test -n "$MAGIC_CMD"; then
  AC_MSG_RESULT($MAGIC_CMD)
else
  AC_MSG_RESULT(no)
fi
_LT_DECL([], [MAGIC_CMD], [0],
	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
])
m4trace:m4/libtool.m4:3228: -1- AU_DEFUN([AC_PATH_TOOL_PREFIX], [m4_if($#, 0, [_LT_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX($@)])])
m4trace:m4/libtool.m4:3228: -1- AC_DEFUN([AC_PATH_TOOL_PREFIX], [AC_DIAGNOSE([obsolete], [The macro `AC_PATH_TOOL_PREFIX' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX($@)])])
m4trace:m4/libtool.m4:3251: -1- AC_DEFUN([LT_PATH_LD], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
m4_require([_LT_DECL_SED])dnl
m4_require([_LT_DECL_EGREP])dnl
m4_require([_LT_PROG_ECHO_BACKSLASH])dnl

AC_ARG_WITH([gnu-ld],
    [AS_HELP_STRING([--with-gnu-ld],
	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
    [test no = "$withval" || with_gnu_ld=yes],
    [with_gnu_ld=no])dnl

ac_prog=ld
if test yes = "$GCC"; then
  # Check if gcc -print-prog-name=ld gives a path.
  AC_MSG_CHECKING([for ld used by $CC])
  case $host in
  *-*-mingw*)
    # gcc leaves a trailing carriage return, which upsets mingw
    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
  *)
    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
  esac
  case $ac_prog in
    # Accept absolute paths.
    [[\\/]]* | ?:[[\\/]]*)
      re_direlt='/[[^/]][[^/]]*/\.\./'
      # Canonicalize the pathname of ld
      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
      done
      test -z "$LD" && LD=$ac_prog
      ;;
  "")
    # If it fails, then pretend we aren't using GCC.
    ac_prog=ld
    ;;
  *)
    # If it is relative, then search for the first ld in PATH.
    with_gnu_ld=unknown
    ;;
  esac
elif test yes = "$with_gnu_ld"; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(lt_cv_path_LD,
[if test -z "$LD"; then
  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
  for ac_dir in $PATH; do
    IFS=$lt_save_ifs
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
      lt_cv_path_LD=$ac_dir/$ac_prog
      # Check to see if the program is GNU ld.  I'd rather use --version,
      # but apparently some variants of GNU ld only accept -v.
      # Break only if it was the GNU/non-GNU ld that we prefer.
      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
      *GNU* | *'with BFD'*)
	test no != "$with_gnu_ld" && break
	;;
      *)
	test yes != "$with_gnu_ld" && break
	;;
      esac
    fi
  done
  IFS=$lt_save_ifs
else
  lt_cv_path_LD=$LD # Let the user override the test with a path.
fi])
LD=$lt_cv_path_LD
if test -n "$LD"; then
  AC_MSG_RESULT($LD)
else
  AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
_LT_PATH_LD_GNU
AC_SUBST([LD])

_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
])
m4trace:m4/libtool.m4:3340: -1- AU_DEFUN([AM_PROG_LD], [m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:m4/libtool.m4:3340: -1- AC_DEFUN([AM_PROG_LD], [AC_DIAGNOSE([obsolete], [The macro `AM_PROG_LD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:m4/libtool.m4:3341: -1- AU_DEFUN([AC_PROG_LD], [m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:m4/libtool.m4:3341: -1- AC_DEFUN([AC_PROG_LD], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_LD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:m4/libtool.m4:3670: -1- AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl
AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
[if test -n "$NM"; then
  # Let the user override the test.
  lt_cv_path_NM=$NM
else
  lt_nm_to_check=${ac_tool_prefix}nm
  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
    lt_nm_to_check="$lt_nm_to_check nm"
  fi
  for lt_tmp_nm in $lt_nm_to_check; do
    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
      IFS=$lt_save_ifs
      test -z "$ac_dir" && ac_dir=.
      tmp_nm=$ac_dir/$lt_tmp_nm
      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
	# Check to see if the nm accepts a BSD-compat flag.
	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
	#   nm: unknown option "B" ignored
	# Tru64's nm complains that /dev/null is an invalid object file
	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
	case $build_os in
	mingw*) lt_bad_file=conftest.nm/nofile ;;
	*) lt_bad_file=/dev/null ;;
	esac
	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
	*$lt_bad_file* | *'Invalid file or object type'*)
	  lt_cv_path_NM="$tmp_nm -B"
	  break 2
	  ;;
	*)
	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
	  */dev/null*)
	    lt_cv_path_NM="$tmp_nm -p"
	    break 2
	    ;;
	  *)
	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
	    continue # so that we can try to find one that supports BSD flags
	    ;;
	  esac
	  ;;
	esac
      fi
    done
    IFS=$lt_save_ifs
  done
  : ${lt_cv_path_NM=no}
fi])
if test no != "$lt_cv_path_NM"; then
  NM=$lt_cv_path_NM
else
  # Didn't find any BSD compatible name lister, look for dumpbin.
  if test -n "$DUMPBIN"; then :
    # Let the user override the test.
  else
    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
    *COFF*)
      DUMPBIN="$DUMPBIN -symbols -headers"
      ;;
    *)
      DUMPBIN=:
      ;;
    esac
  fi
  AC_SUBST([DUMPBIN])
  if test : != "$DUMPBIN"; then
    NM=$DUMPBIN
  fi
fi
test -z "$NM" && NM=nm
AC_SUBST([NM])
_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl

AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
  [lt_cv_nm_interface="BSD nm"
  echo "int some_variable = 0;" > conftest.$ac_ext
  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
  (eval "$ac_compile" 2>conftest.err)
  cat conftest.err >&AS_MESSAGE_LOG_FD
  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
  cat conftest.err >&AS_MESSAGE_LOG_FD
  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
  cat conftest.out >&AS_MESSAGE_LOG_FD
  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
    lt_cv_nm_interface="MS dumpbin"
  fi
  rm -f conftest*])
])
m4trace:m4/libtool.m4:3765: -1- AU_DEFUN([AM_PROG_NM], [m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:m4/libtool.m4:3765: -1- AC_DEFUN([AM_PROG_NM], [AC_DIAGNOSE([obsolete], [The macro `AM_PROG_NM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:m4/libtool.m4:3766: -1- AU_DEFUN([AC_PROG_NM], [m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:m4/libtool.m4:3766: -1- AC_DEFUN([AC_PROG_NM], [AC_DIAGNOSE([obsolete], [The macro `AC_PROG_NM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:m4/libtool.m4:3837: -1- AC_DEFUN([_LT_DLL_DEF_P], [dnl
  test DEF = "`$SED -n dnl
    -e '\''s/^[[	 ]]*//'\'' dnl Strip leading whitespace
    -e '\''/^\(;.*\)*$/d'\'' dnl      Delete empty lines and comments
    -e '\''s/^\(EXPORTS\|LIBRARY\)\([[	 ]].*\)*$/DEF/p'\'' dnl
    -e q dnl                          Only consider the first "real" line
    $1`" dnl
])
m4trace:m4/libtool.m4:3851: -1- AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case $host in
*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
  # These system don't have libm, or don't need it
  ;;
*-ncr-sysv4.3*)
  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
  ;;
*)
  AC_CHECK_LIB(m, cos, LIBM=-lm)
  ;;
esac
AC_SUBST([LIBM])
])
m4trace:m4/libtool.m4:3870: -1- AU_DEFUN([AC_CHECK_LIBM], [m4_if($#, 0, [LT_LIB_M], [LT_LIB_M($@)])])
m4trace:m4/libtool.m4:3870: -1- AC_DEFUN([AC_CHECK_LIBM], [AC_DIAGNOSE([obsolete], [The macro `AC_CHECK_LIBM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_LIB_M], [LT_LIB_M($@)])])
m4trace:m4/libtool.m4:8147: -1- AC_DEFUN([LT_PROG_GCJ], [m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
    [AC_CHECK_TOOL(GCJ, gcj,)
      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
      AC_SUBST(GCJFLAGS)])])[]dnl
])
m4trace:m4/libtool.m4:8156: -1- AU_DEFUN([LT_AC_PROG_GCJ], [m4_if($#, 0, [LT_PROG_GCJ], [LT_PROG_GCJ($@)])])
m4trace:m4/libtool.m4:8156: -1- AC_DEFUN([LT_AC_PROG_GCJ], [AC_DIAGNOSE([obsolete], [The macro `LT_AC_PROG_GCJ' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PROG_GCJ], [LT_PROG_GCJ($@)])])
m4trace:m4/libtool.m4:8163: -1- AC_DEFUN([LT_PROG_GO], [AC_CHECK_TOOL(GOC, gccgo,)
])
m4trace:m4/libtool.m4:8170: -1- AC_DEFUN([LT_PROG_RC], [AC_CHECK_TOOL(RC, windres,)
])
m4trace:m4/libtool.m4:8175: -1- AU_DEFUN([LT_AC_PROG_RC], [m4_if($#, 0, [LT_PROG_RC], [LT_PROG_RC($@)])])
m4trace:m4/libtool.m4:8175: -1- AC_DEFUN([LT_AC_PROG_RC], [AC_DIAGNOSE([obsolete], [The macro `LT_AC_PROG_RC' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PROG_RC], [LT_PROG_RC($@)])])
m4trace:m4/libtool.m4:8295: -1- AU_DEFUN([LT_AC_PROG_SED], [m4_if($#, 0, [AC_PROG_SED], [AC_PROG_SED($@)])])
m4trace:m4/libtool.m4:8295: -1- AC_DEFUN([LT_AC_PROG_SED], [AC_DIAGNOSE([obsolete], [The macro `LT_AC_PROG_SED' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AC_PROG_SED], [AC_PROG_SED($@)])])
m4trace:m4/ltoptions.m4:14: -1- AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
m4trace:m4/ltoptions.m4:113: -1- AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:113: -1- AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_DLOPEN' is obsolete.
You should run autoupdate.])dnl
_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:148: -1- AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:148: -1- AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_DIAGNOSE([obsolete], [The macro `AC_LIBTOOL_WIN32_DLL' is obsolete.
You should run autoupdate.])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:197: -1- AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
m4trace:m4/ltoptions.m4:201: -1- AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared])
])
m4trace:m4/ltoptions.m4:205: -1- AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
m4trace:m4/ltoptions.m4:205: -1- AC_DEFUN([AM_ENABLE_SHARED], [AC_DIAGNOSE([obsolete], [The macro `AM_ENABLE_SHARED' is obsolete.
You should run autoupdate.])dnl
AC_ENABLE_SHARED($@)])
m4trace:m4/ltoptions.m4:206: -1- AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
m4trace:m4/ltoptions.m4:206: -1- AC_DEFUN([AM_DISABLE_SHARED], [AC_DIAGNOSE([obsolete], [The macro `AM_DISABLE_SHARED' is obsolete.
You should run autoupdate.])dnl
AC_DISABLE_SHARED($@)])
m4trace:m4/ltoptions.m4:251: -1- AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
m4trace:m4/ltoptions.m4:255: -1- AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static])
])
m4trace:m4/ltoptions.m4:259: -1- AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
m4trace:m4/ltoptions.m4:259: -1- AC_DEFUN([AM_ENABLE_STATIC], [AC_DIAGNOSE([obsolete], [The macro `AM_ENABLE_STATIC' is obsolete.
You should run autoupdate.])dnl
AC_ENABLE_STATIC($@)])
m4trace:m4/ltoptions.m4:260: -1- AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
m4trace:m4/ltoptions.m4:260: -1- AC_DEFUN([AM_DISABLE_STATIC], [AC_DIAGNOSE([obsolete], [The macro `AM_DISABLE_STATIC' is obsolete.
You should run autoupdate.])dnl
AC_DISABLE_STATIC($@)])
m4trace:m4/ltoptions.m4:305: -1- AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:305: -1- AC_DEFUN([AC_ENABLE_FAST_INSTALL], [AC_DIAGNOSE([obsolete], [The macro `AC_ENABLE_FAST_INSTALL' is obsolete.
You should run autoupdate.])dnl
_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:312: -1- AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:312: -1- AC_DEFUN([AC_DISABLE_FAST_INSTALL], [AC_DIAGNOSE([obsolete], [The macro `AC_DISABLE_FAST_INSTALL' is obsolete.
You should run autoupdate.])dnl
_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
m4trace:m4/ltoptions.m4:411: -1- AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only])
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_IBM
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_PATHSCALE
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_CLANG
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [__clang_patchlevel__], [], [0])
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_FUJITSU
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_GNU
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [(
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [(
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	     #endif
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as_fn_error $? "[_AX_COMPILER_VERSION_HP] unknown hp release version
See \`config.log' for more details" "$LINENO" 5; }])
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [((
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_major], [((
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_DEC
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [(
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [((
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_major], [((
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_BORLAND
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_turboc_raw], [
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_major], [(
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_COMEAU
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [__COMO_VERSION__%100], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_major], [(__COMO_VERSION__/100)%10], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_KAI
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [__KCC_VERSION%100], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_major], [(__KCC_VERSION/1000)%10], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_SGI
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [_AX_COMPILER_VERSION_SGI_NUMBER%10], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- _AX_COMPILER_VERSION_MICROSOFT
m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_minor], [_MSC_VER%100], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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m4trace:configure.ac:64: -1- AC_COMPUTE_INT([_ax_cxx_compiler_version_patch], [_MSC_FULL_VER%1000], [], [{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...
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../../lib/autoconf/general.m4:2063: AC_CACHE_CHECK is expanded from...
../../lib/autoconf/erlang.m4:175: AC_ERLANG_CHECK_LIB is expanded from...
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m4trace:configure.ac:786: -1- m4_pattern_allow([^ERLANG_LIB_VER_snmp$])
m4trace:configure.ac:787: -1- _m4_warn([cross], [AC_RUN_IFELSE called without default to allow cross compiling], [../../lib/autoconf/general.m4:2759: AC_RUN_IFELSE is expanded from...
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mpz_t a;
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m4trace:configure.ac:1065: -1- _LT_PROG_LTMAIN
