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# Configure paths for LIBXML2 |
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# Mike Hommey 2004-06-19 |
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# use CPPFLAGS instead of CFLAGS |
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# Toshio Kuratomi 2001-04-21 |
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# Adapted from: |
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# Configure paths for GLIB |
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# Owen Taylor 97-11-3 |
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|
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dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
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dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS |
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dnl |
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AC_DEFUN([AM_PATH_XML2],[ |
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AC_ARG_WITH(xml-prefix, |
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[ --with-xml-prefix=PFX Prefix where libxml is installed (optional)], |
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xml_config_prefix="$withval", xml_config_prefix="") |
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AC_ARG_WITH(xml-exec-prefix, |
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[ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)], |
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xml_config_exec_prefix="$withval", xml_config_exec_prefix="") |
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AC_ARG_ENABLE(xmltest, |
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[ --disable-xmltest Do not try to compile and run a test LIBXML program],, |
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enable_xmltest=yes) |
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|
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if test x$xml_config_exec_prefix != x ; then |
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xml_config_args="$xml_config_args" |
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if test x${XML2_CONFIG+set} != xset ; then |
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XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config |
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fi |
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fi |
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if test x$xml_config_prefix != x ; then |
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xml_config_args="$xml_config_args --prefix=$xml_config_prefix" |
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if test x${XML2_CONFIG+set} != xset ; then |
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XML2_CONFIG=$xml_config_prefix/bin/xml2-config |
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fi |
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fi |
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|
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AC_PATH_PROG(XML2_CONFIG, xml2-config, no) |
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min_xml_version=ifelse([$1], ,2.0.0,[$1]) |
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AC_MSG_CHECKING(for libxml - version >= $min_xml_version) |
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no_xml="" |
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if test "$XML2_CONFIG" = "no" ; then |
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no_xml=yes |
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else |
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XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags` |
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XML_LIBS=`$XML2_CONFIG $xml_config_args --libs` |
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xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \ |
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
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xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \ |
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
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xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \ |
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
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if test "x$enable_xmltest" = "xyes" ; then |
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ac_save_CPPFLAGS="$CPPFLAGS" |
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ac_save_LIBS="$LIBS" |
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CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS" |
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LIBS="$XML_LIBS $LIBS" |
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dnl |
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dnl Now check if the installed libxml is sufficiently new. |
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dnl (Also sanity checks the results of xml2-config to some extent) |
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dnl |
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rm -f conf.xmltest |
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AC_TRY_RUN([ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <libxml/xmlversion.h> |
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|
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int |
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main() |
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{ |
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int xml_major_version, xml_minor_version, xml_micro_version; |
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int major, minor, micro; |
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char *tmp_version; |
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|
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system("touch conf.xmltest"); |
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|
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/* Capture xml2-config output via autoconf/configure variables */ |
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/* HP/UX 9 (%@#!) writes to sscanf strings */ |
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tmp_version = (char *)strdup("$min_xml_version"); |
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { |
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printf("%s, bad version string from xml2-config\n", "$min_xml_version"); |
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exit(1); |
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} |
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free(tmp_version); |
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|
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/* Capture the version information from the header files */ |
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tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION); |
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if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) { |
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printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION"); |
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exit(1); |
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} |
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free(tmp_version); |
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|
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/* Compare xml2-config output to the libxml headers */ |
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if ((xml_major_version != $xml_config_major_version) || |
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(xml_minor_version != $xml_config_minor_version) || |
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(xml_micro_version != $xml_config_micro_version)) |
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{ |
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printf("*** libxml header files (version %d.%d.%d) do not match\n", |
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xml_major_version, xml_minor_version, xml_micro_version); |
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printf("*** xml2-config (version %d.%d.%d)\n", |
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$xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version); |
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return 1; |
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} |
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/* Compare the headers to the library to make sure we match */ |
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/* Less than ideal -- doesn't provide us with return value feedback, |
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* only exits if there's a serious mismatch between header and library. |
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*/ |
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LIBXML_TEST_VERSION; |
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|
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/* Test that the library is greater than our minimum version */ |
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if ((xml_major_version > major) || |
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((xml_major_version == major) && (xml_minor_version > minor)) || |
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((xml_major_version == major) && (xml_minor_version == minor) && |
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(xml_micro_version >= micro))) |
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{ |
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return 0; |
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} |
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else |
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{ |
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printf("\n*** An old version of libxml (%d.%d.%d) was found.\n", |
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xml_major_version, xml_minor_version, xml_micro_version); |
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printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n", |
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major, minor, micro); |
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printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n"); |
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printf("***\n"); |
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printf("*** If you have already installed a sufficiently new version, this error\n"); |
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printf("*** probably means that the wrong copy of the xml2-config shell script is\n"); |
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printf("*** being found. The easiest way to fix this is to remove the old version\n"); |
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printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n"); |
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printf("*** correct copy of xml2-config. (In this case, you will have to\n"); |
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printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); |
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printf("*** so that the correct libraries are found at run-time))\n"); |
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} |
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return 1; |
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} |
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],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
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CPPFLAGS="$ac_save_CPPFLAGS" |
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LIBS="$ac_save_LIBS" |
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fi |
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fi |
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|
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if test "x$no_xml" = x ; then |
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AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version)) |
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ifelse([$2], , :, [$2]) |
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else |
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AC_MSG_RESULT(no) |
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if test "$XML2_CONFIG" = "no" ; then |
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echo "*** The xml2-config script installed by LIBXML could not be found" |
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echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in" |
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echo "*** your path, or set the XML2_CONFIG environment variable to the" |
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echo "*** full path to xml2-config." |
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else |
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if test -f conf.xmltest ; then |
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: |
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else |
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echo "*** Could not run libxml test program, checking why..." |
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CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS" |
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LIBS="$LIBS $XML_LIBS" |
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AC_TRY_LINK([ |
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#include <libxml/xmlversion.h> |
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#include <stdio.h> |
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], [ LIBXML_TEST_VERSION; return 0;], |
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[ echo "*** The test program compiled, but did not run. This usually means" |
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echo "*** that the run-time linker is not finding LIBXML or finding the wrong" |
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echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your" |
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
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echo "*** to the installed location Also, make sure you have run ldconfig if that" |
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echo "*** is required on your system" |
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echo "***" |
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echo "*** If you have an old version installed, it is best to remove it, although" |
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], |
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[ echo "*** The test program failed to compile or link. See the file config.log for the" |
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echo "*** exact error that occured. This usually means LIBXML was incorrectly installed" |
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echo "*** or that you have moved LIBXML since it was installed. In the latter case, you" |
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echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ]) |
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CPPFLAGS="$ac_save_CPPFLAGS" |
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LIBS="$ac_save_LIBS" |
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fi |
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fi |
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|
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XML_CPPFLAGS="" |
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XML_LIBS="" |
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ifelse([$3], , :, [$3]) |
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fi |
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AC_SUBST(XML_CPPFLAGS) |
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AC_SUBST(XML_LIBS) |
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save_CFLAGS=$CFLAGS |
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save_LDFLAGS=$LDFLAGS |
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CFLAGS="$XML_CPPFLAGS $CFLAGS" |
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LDFLAGS="$XML_LIBS $LDFLAGS" |
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AC_CHECK_LIB(xml2, xmlGetGlobalState, |
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AC_DEFINE(HAVE_LIBXML_THREADS,, [A version of libxml2 with multithreading support is being used])) |
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CFLAGS=$save_CFLAGS |
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LDFLAGS=$save_LDFLAGS |
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rm -f conf.xmltest |
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]) |
