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ax_xercesc.m4
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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_xercesc.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_XERCESC
#
# DESCRIPTION
#
# Define $HAVE_LIBXERCES_C, $LIBXERCES_C, and $LTLIBXERCES_C to signify
# whether Xerces is available.
#
# LICENSE
#
# Copyright (c) 2008 Ronald Landheer-Cieslak <[email protected]>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 9
AU_ALIAS([RLC_XERCESC], [AX_XERCESC])
AC_DEFUN([AX_XERCESC],
[
dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
AC_LANG_PUSH(C++)
AX_XERCESC_BODY()
ac_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCXERCES_C])
AC_CACHE_CHECK([for libxerces-c], [ac_cv_libxerces_c], [
ac_save_LIBS="$LIBS"
LIBS="$LIBS $LIBXERCES_C $LIBICONV"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <xercesc/util/PlatformUtils.hpp>
#ifdef XERCES_CPP_NAMESPACE_USE
XERCES_CPP_NAMESPACE_USE
#endif
]], [[
try
{
XMLPlatformUtils::Initialize();
}
catch (...)
{
// ...
}
XMLPlatformUtils::Terminate();
]])],[ac_cv_libxerces_c=yes],[ac_cv_libxerces_c=no])
LIBS="$ac_save_LIBS"
])
if test "$ac_cv_libxerces_c" = yes; then
HAVE_LIBXERCES_C=yes
AC_DEFINE(HAVE_LIBXERCES_C, 1, [Define if you have the xerces-c library.])
AC_MSG_CHECKING([how to link with libxerces-c])
AC_MSG_RESULT([$LIBXERCES_C])
else
HAVE_LIBXERCES_C=no
CPPFLAGS="$ac_save_CPPFLAGS"
LIBXERCES_C=
LTLIBXERCES_C=
fi
AC_LANG_POP(C++)
AC_SUBST(HAVE_LIBXERCES_C)
AC_SUBST(LIBXERCES_C)
AC_SUBST(LTLIBXERCES_C)
])
AC_DEFUN([AX_XERCESC_BODY],
[
dnl By default, look in $includedir and $libdir.
use_additional=yes
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
AC_ARG_WITH([libxerces-c-prefix],
[ --with-libxerces-c-prefix[=DIR] search for libxerces-c in DIR/include and DIR/lib
--without-libxerces-c-prefix don't search for libxerces-c in includedir and libdir],
[
if test "X$withval" = "Xno"; then
use_additional=no
else
if test "X$withval" = "X"; then
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
else
additional_includedir="$withval/include"
additional_libdir="$withval/lib"
fi
fi
])
dnl Search the library and its dependencies in $additional_libdir and
dnl $LDFLAGS. Using breadth-first-search.
LIBXERCES_C=
LTLIBXERCES_C=
INCXERCES_C=
rpathdirs=
ltrpathdirs=
names_already_handled=
names_next_round='xerces-c'
while test -n "$names_next_round"; do
names_this_round="$names_next_round"
names_next_round=
for name in $names_this_round; do
already_handled=
for n in $names_already_handled; do
if test "$n" = "$name"; then
already_handled=yes
break
fi
done
if test -z "$already_handled"; then
names_already_handled="$names_already_handled $name"
dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
dnl or AC_LIB_HAVE_LINKFLAGS call.
uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
eval value=\"\$HAVE_LIB$uppername\"
if test -n "$value"; then
if test "$value" = yes; then
eval value=\"\$LIB$uppername\"
test -z "$value" || LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$value"
eval value=\"\$LTLIB$uppername\"
test -z "$value" || LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }$value"
else
dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
dnl that this library doesn't exist. So just drop it.
:
fi
else
dnl Search the library lib$name in $additional_libdir and $LDFLAGS
found_dir=
found_la=
found_so=
found_a=
if test $use_additional = yes; then
found_so="$additional_libdir/lib$name.$shlibext*"
for i in $found_so; do
if test -f $i && test -x $i; then
found_so="$i"
break
fi
done
if test -n "$shlibext" && test -f $found_so; then
found_dir="$additional_libdir"
if test -f "$additional_libdir/lib$name.la"; then
found_la="$additional_libdir/lib$name.la"
fi
else
if test -f "$additional_libdir/lib$name.$libext"; then
found_dir="$additional_libdir"
found_a="$additional_libdir/lib$name.$libext"
if test -f "$additional_libdir/lib$name.la"; then
found_la="$additional_libdir/lib$name.la"
fi
fi
fi
fi
if test "X$found_dir" = "X"; then
for x in $LDFLAGS $LTLIBXERCES_C; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
case "$x" in
-L*)
dir=`echo "X$x" | sed -e 's/^X-L//'`
if test -n "$shlibext"; then
found_dir="$dir"
found_so="$dir/lib$name.$shlibext*"
for i in $found_so; do
if test -f $i && test -x $i; then
found_so="$i"
break
fi
done
if test -f "$dir/lib$name.la"; then
found_la="$dir/lib$name.la"
fi
else
if test -f "$dir/lib$name.$libext"; then
found_dir="$dir"
found_a="$dir/lib$name.$libext"
if test -f "$dir/lib$name.la"; then
found_la="$dir/lib$name.la"
fi
fi
fi
;;
esac
if test "X$found_dir" != "X"; then
break
fi
done
fi
if test "X$found_dir" != "X"; then
dnl Found the library.
LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }-L$found_dir -l$name"
if test "X$found_so" != "X"; then
dnl Linking with a shared library. We attempt to hardcode its
dnl directory into the executable's runpath, unless it's the
dnl standard /usr/lib.
if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
dnl No hardcoding is needed.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$found_so"
else
dnl Use an explicit option to hardcode DIR into the resulting
dnl binary.
dnl Potentially add DIR to ltrpathdirs.
haveit=
for x in $ltrpathdirs; do
if test "X$x" = "X$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
ltrpathdirs="$ltrpathdirs $found_dir"
fi
if test "$hardcode_direct" = yes; then
dnl resulting binary.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$found_so"
else
if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
dnl Use an explicit option to hardcode DIR into the resulting
dnl binary.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$found_so"
dnl Potentially add DIR to rpathdirs.
haveit=
for x in $rpathdirs; do
if test "X$x" = "X$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
rpathdirs="$rpathdirs $found_dir"
fi
else
dnl Rely on "-L$found_dir".
dnl But don't add it if it's already contained in the LDFLAGS
haveit=
for x in $LDFLAGS $LIBXERCES_C; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }-L$found_dir"
fi
if test "$hardcode_minus_L" != no; then
dnl FIXME: Not sure whether we should use
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
dnl here.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$found_so"
else
dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
dnl here, because this doesn't fit in flags passed to the
dnl compiler. So give up. No hardcoding. This affects only
dnl very old systems.
dnl FIXME: Not sure whether we should use
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
dnl here.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }-l$name"
fi
fi
fi
fi
else
if test "X$found_a" != "X"; then
dnl Linking with a static library.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$found_a"
else
dnl We shouldn't come here, but anyway it's good to have a
dnl fallback.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }-L$found_dir -l$name"
fi
fi
dnl Assume the include files are nearby.
additional_includedir=
case "$found_dir" in
*/lib | */lib/)
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
additional_includedir="$basedir/include"
;;
esac
if test "X$additional_includedir" != "X"; then
dnl But don't add it
dnl 1. if it's the standard /usr/include,
dnl 2. if it's /usr/local/include and we are using GCC on Linux,
dnl 3. if it's already present in $CPPFLAGS or the already
dnl 4. if it doesn't exist as a directory.
if test "X$additional_includedir" != "X/usr/include"; then
haveit=
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
linux*) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
for x in $CPPFLAGS $INCXERCES_C; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-I$additional_includedir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$additional_includedir"; then
INCXERCES_C="${INCXERCES_C}${INCXERCES_C:+ }-I$additional_includedir"
fi
fi
fi
fi
fi
dnl Look for dependencies.
if test -n "$found_la"; then
dnl Read the .la file. It defines the variables
dnl dlname, library_names, old_library, dependency_libs, current,
dnl age, revision, installed, dlopen, dlpreopen, libdir.
save_libdir="$libdir"
case "$found_la" in
*/* | *\\*) . "$found_la" ;;
*) . "./$found_la" ;;
esac
libdir="$save_libdir"
dnl We use only dependency_libs.
for dep in $dependency_libs; do
case "$dep" in
-L*)
additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
dnl But don't add it
dnl 1. if it's the standard /usr/lib,
dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
dnl 3. if it's already present in $LDFLAGS or the already
dnl 4. if it doesn't exist as a directory.
if test "X$additional_libdir" != "X/usr/lib"; then
haveit=
if test "X$additional_libdir" = "X/usr/local/lib"; then
if test -n "$GCC"; then
case $host_os in
linux*) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
haveit=
for x in $LDFLAGS $LIBXERCES_C; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$additional_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$additional_libdir"; then
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }-L$additional_libdir"
fi
fi
haveit=
for x in $LDFLAGS $LTLIBXERCES_C; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$additional_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$additional_libdir"; then
LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }-L$additional_libdir"
fi
fi
fi
fi
;;
-R*)
dir=`echo "X$dep" | sed -e 's/^X-R//'`
if test "$enable_rpath" != no; then
dnl Potentially add DIR to rpathdirs.
haveit=
for x in $rpathdirs; do
if test "X$x" = "X$dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
rpathdirs="$rpathdirs $dir"
fi
dnl Potentially add DIR to ltrpathdirs.
haveit=
for x in $ltrpathdirs; do
if test "X$x" = "X$dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
ltrpathdirs="$ltrpathdirs $dir"
fi
fi
;;
-l*)
dnl Handle this in the next round.
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
;;
*.la)
dnl Handle this in the next round. Throw away the .la's
dnl directory; it is already contained in a preceding -L
dnl option.
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
;;
*)
dnl Most likely an immediate library name.
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$dep"
LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }$dep"
;;
esac
done
fi
else
dnl Didn't find the library; assume it is in the system directories
dnl known to the linker and runtime loader. (All the system
dnl directories known to the linker should also be known to the
dnl runtime loader, otherwise the system is severely misconfigured.)
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }-l$name"
LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }-l$name"
fi
fi
fi
done
done
if test "X$rpathdirs" != "X"; then
if test -n "$hardcode_libdir_separator"; then
dnl Weird platform: only the last -rpath option counts, the user must
dnl pass all path elements in one option. We can arrange that for a
alldirs=
for found_dir in $rpathdirs; do
alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
done
dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
acl_save_libdir="$libdir"
libdir="$alldirs"
eval flag=\"$hardcode_libdir_flag_spec\"
libdir="$acl_save_libdir"
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$flag"
else
dnl The -rpath options are cumulative.
for found_dir in $rpathdirs; do
acl_save_libdir="$libdir"
libdir="$found_dir"
eval flag=\"$hardcode_libdir_flag_spec\"
libdir="$acl_save_libdir"
LIBXERCES_C="${LIBXERCES_C}${LIBXERCES_C:+ }$flag"
done
fi
fi
if test "X$ltrpathdirs" != "X"; then
dnl When using libtool, the option that works for both libraries and
dnl executables is -R. The -R options are cumulative.
for found_dir in $ltrpathdirs; do
LTLIBXERCES_C="${LTLIBXERCES_C}${LTLIBXERCES_C:+ }-R$found_dir"
done
fi
])