diff options
Diffstat (limited to 'm4/libxml2.m4')
| -rw-r--r-- | m4/libxml2.m4 | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/m4/libxml2.m4 b/m4/libxml2.m4 new file mode 100644 index 0000000000..68cd8242fb --- /dev/null +++ b/m4/libxml2.m4 @@ -0,0 +1,188 @@ +# 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 +]) |