/usr/share/aclocal/libxml2.m4 is in libxml2-dev 2.9.1+dfsg1-3ubuntu4.13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | # Configure paths for LIBXML2
# Mike Hommey 2004-06-19
# use CPPFLAGS instead of CFLAGS
# Toshio Kuratomi 2001-04-21
# Adapted from:
# Configure paths for GLIB
# Owen Taylor 97-11-3
dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
dnl
AC_DEFUN([AM_PATH_XML2],[
AC_ARG_WITH(xml-prefix,
[ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
xml_config_prefix="$withval", xml_config_prefix="")
AC_ARG_WITH(xml-exec-prefix,
[ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
AC_ARG_ENABLE(xmltest,
[ --disable-xmltest Do not try to compile and run a test LIBXML program],,
enable_xmltest=yes)
if test x$xml_config_exec_prefix != x ; then
xml_config_args="$xml_config_args"
if test x${XML2_CONFIG+set} != xset ; then
XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
fi
fi
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
fi
AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
min_xml_version=ifelse([$1], ,2.0.0,[$1])
AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
no_xml=""
if test "$XML2_CONFIG" = "no" ; then
no_xml=yes
else
XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_xmltest" = "xyes" ; then
ac_save_CPPFLAGS="$CPPFLAGS"
ac_save_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
LIBS="$XML_LIBS $LIBS"
dnl
dnl Now check if the installed libxml is sufficiently new.
dnl (Also sanity checks the results of xml2-config to some extent)
dnl
rm -f conf.xmltest
AC_TRY_RUN([
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libxml/xmlversion.h>
int
main()
{
int xml_major_version, xml_minor_version, xml_micro_version;
int major, minor, micro;
char *tmp_version;
system("touch conf.xmltest");
/* Capture xml2-config output via autoconf/configure variables */
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = (char *)strdup("$min_xml_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string from xml2-config\n", "$min_xml_version");
exit(1);
}
free(tmp_version);
/* Capture the version information from the header files */
tmp_version = (char *)strdup(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 from libxml includes\n", "LIBXML_DOTTED_VERSION");
exit(1);
}
free(tmp_version);
/* Compare xml2-config output to the libxml headers */
if ((xml_major_version != $xml_config_major_version) ||
(xml_minor_version != $xml_config_minor_version) ||
(xml_micro_version != $xml_config_micro_version))
{
printf("*** libxml header files (version %d.%d.%d) do not match\n",
xml_major_version, xml_minor_version, xml_micro_version);
printf("*** xml2-config (version %d.%d.%d)\n",
$xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
return 1;
}
/* Compare the headers to the library to make sure we match */
/* Less than ideal -- doesn't provide us with return value feedback,
* only exits if there's a serious mismatch between header and library.
*/
LIBXML_TEST_VERSION;
/* Test that the library is greater than our minimum version */
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.xmlsoft.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 xml2-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 XML2_CONFIG environment to point to the\n");
printf("*** correct copy of xml2-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... $ac_c"])
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_xml" = x ; then
AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$XML2_CONFIG" = "no" ; then
echo "*** The xml2-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 XML2_CONFIG environment variable to the"
echo "*** full path to xml2-config."
else
if test -f conf.xmltest ; then
:
else
echo "*** Could not run libxml test program, checking why..."
CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
LIBS="$LIBS $XML_LIBS"
AC_TRY_LINK([
#include <libxml/xmlversion.h>
#include <stdio.h>
], [ LIBXML_TEST_VERSION; return 0;],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
XML_CPPFLAGS=""
XML_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(XML_CPPFLAGS)
AC_SUBST(XML_LIBS)
rm -f conf.xmltest
])
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