dnl Code shamelessly stolen from glib-config by Sebastian Rittau
dnl Copyright (C) 2005 Free Software Foundation
dnl Copying and distribution of this file, with or without modification,
dnl are permitted in any medium without royalty provided the copyright
dnl notice and this notice are preserved.
dnl AM_PATH_XML([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN(AM_PATH_XML,[
AC_ARG_WITH(xml-prefix,
[ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
xml_config_prefix="$withval", xml_config_prefix="")
AC_ARG_ENABLE(xmltest,
[ --disable-xmltest Do not try to compile and run a test XML program],,
enable_xmltest=yes)
if test x$xml_config_prefix != x ; then
xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
if test x${XML2_CONFIG+set} != xset ; then
XML2_CONFIG=$xml_config_prefix/bin/xml2-config
fi
if test x${XML_CONFIG+set} != xset ; then
XML_CONFIG=$xml_config_prefix/bin/xml-config
fi
fi
AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
if test "$XML2_CONFIG" = "no" ; then
AC_PATH_PROG(XML_CONFIG, xml-config, no)
else
XML_CONFIG=$XML2_CONFIG
fi
min_xml_version=ifelse([$1], ,2.0.0, [$1])
AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
no_xml=""
if test "$XML_CONFIG" = "no" ; then
XML_CFLAGS=""
XML_LIBS="-lxml2"
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $XML_CFLAGS"
LIBS="$XML_LIBS $LIBS"
dnl
dnl Now check if the installed libxml is sufficiently new.
dnl
rm -f conf.xmltest
AC_TRY_RUN([
#include <stdlib.h>
#include <stdio.h>
#include <libxml/xmlversion.h>
#include <libxml/parser.h>
int
main()
{
int xml_major_version, xml_minor_version, xml_micro_version;
int major, minor, micro;
char *tmp_version;
system("touch conf.xmltest");
tmp_version = xmlStrdup("$min_xml_version");
if(sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_xml_version");
exit(1);
}
tmp_version = xmlStrdup(LIBXML_DOTTED_VERSION);
if(sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
printf("%s, bad version string\n", "$min_xml_version");
exit(1);
}
if ((xml_major_version > major) ||
((xml_major_version == major) && (xml_minor_version > minor)) ||
((xml_major_version == major) && (xml_minor_version == minor) &&
(xml_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
xml_major_version, xml_minor_version, xml_micro_version);
printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf("*** libxml is always available from ftp://ftp.gnome.org.\n");
printf("***\n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the xml-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of libxml, but you can also set the XML_CONFIG environment to point to the\n");
printf("*** correct copy of xml-config. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
return 1;
}
],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
else
XML_CFLAGS=`$XML_CONFIG $xml_config_args --cflags`
XML_LIBS=`$XML_CONFIG $xml_config_args --libs`
xml_config_major_version=`$XML_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
xml_config_minor_version=`$XML_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
xml_config_micro_version=`$XML_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
# Strip '-L/usr/lib' off since this is always in the link path.
XML_LIBS=`echo $XML_LIBS | sed -e 's|-L/usr/lib||'`
if test "x$enable_xmltest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $XML_CFLAGS"
LIBS="$XML_LIBS $LIBS"
dnl
dnl Now check if the installed libxml is sufficiently new.
dnl
rm -f conf.xmltest
AC_TRY_RUN([
#include <stdlib.h>
#include <stdio.h>
#include <libxml/xmlversion.h>
#include <libxml/parser.h>
int
main()
{
int xml_major_version, xml_minor_version, xml_micro_version;
int major, minor, micro;
char *tmp_version;
system("touch conf.xmltest");
tmp_version = xmlStrdup("$min_xml_version");
if(sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_xml_version");
exit(1);
}
tmp_version = xmlStrdup(LIBXML_DOTTED_VERSION);
if(sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
printf("%s, bad version string\n", "$min_xml_version");
exit(1);
}
if((xml_major_version != $xml_config_major_version) ||
(xml_minor_version != $xml_config_minor_version) ||
(xml_micro_version != $xml_config_micro_version))
{
printf("\n*** 'xml-config --version' returned %d.%d.%d, but libxml (%d.%d.%d)\n",
$xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version,
xml_major_version, xml_minor_version, xml_micro_version);
printf("*** was found! If xml-config was correct, then it is best\n");
printf("*** to remove the old version of libxml. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If xml-config was wrong, set the environment variable XML_CONFIG\n");
printf("*** to point to the correct copy of xml-config, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
else
{
if ((xml_major_version > major) ||
((xml_major_version == major) && (xml_minor_version > minor)) ||
((xml_major_version == major) && (xml_minor_version == minor) &&
(xml_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
xml_major_version, xml_minor_version, xml_micro_version);
printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
major, minor, micro);
printf("*** libxml is always available from ftp://ftp.gnome.org.\n");
printf("***\n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the xml-config shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of libxml, but you can also set the XML_CONFIG environment to point to the\n");
printf("*** correct copy of xml-config. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
}
return 1;
}
],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_xml" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$XML_CONFIG" = "no" ; then
echo "*** The xml-config script installed by libxml could not be found"
echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the XML_CONFIG environment variable to the"
echo "*** full path to xml-config."
else
if test -f conf.xmltest ; then
:
else
echo "*** Could not run libxml test program, checking why..."
CFLAGS="$CFLAGS $XML_CFLAGS"
LIBS="$LIBS $XML_LIBS"
dnl FIXME: AC_TRY_LINK
fi
fi
XML_CFLAGS=""
XML_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(XML_CFLAGS)
AC_SUBST(XML_LIBS)
rm -f conf.xmltest
])
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