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Editing: libxml.m4
# Configure paths for LIBXML2 # Simon Josefsson 2020-02-12 # Fix autoconf 2.70+ warnings # 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 $LIBS" dnl dnl Now check if the installed libxml is sufficiently new. dnl (Also sanity checks the results of xml2-config to some extent) dnl rm -f conf.xmltest AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include <stdlib.h> #include <stdio.h> #include <string.h> #include <libxml/xmlversion.h> int main() { int xml_major_version, xml_minor_version, xml_micro_version; int major, minor, micro; char *tmp_version; system("touch conf.xmltest"); /* Capture xml2-config output via autoconf/configure variables */ /* HP/UX 9 (%@#!) writes to sscanf strings */ tmp_version = (char *)strdup("$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.\n", major, minor, micro); 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 environment 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_LINK_IFELSE( [AC_LANG_PROGRAM([[ #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 occurred. 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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