Annotation of embedaddon/libxml2/libxml.m4, revision 1.1
1.1 ! misho 1: # Configure paths for LIBXML2
! 2: # Mike Hommey 2004-06-19
! 3: # use CPPFLAGS instead of CFLAGS
! 4: # Toshio Kuratomi 2001-04-21
! 5: # Adapted from:
! 6: # Configure paths for GLIB
! 7: # Owen Taylor 97-11-3
! 8:
! 9: dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
! 10: dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
! 11: dnl
! 12: AC_DEFUN([AM_PATH_XML2],[
! 13: AC_ARG_WITH(xml-prefix,
! 14: [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
! 15: xml_config_prefix="$withval", xml_config_prefix="")
! 16: AC_ARG_WITH(xml-exec-prefix,
! 17: [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
! 18: xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
! 19: AC_ARG_ENABLE(xmltest,
! 20: [ --disable-xmltest Do not try to compile and run a test LIBXML program],,
! 21: enable_xmltest=yes)
! 22:
! 23: if test x$xml_config_exec_prefix != x ; then
! 24: xml_config_args="$xml_config_args"
! 25: if test x${XML2_CONFIG+set} != xset ; then
! 26: XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
! 27: fi
! 28: fi
! 29: if test x$xml_config_prefix != x ; then
! 30: xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
! 31: if test x${XML2_CONFIG+set} != xset ; then
! 32: XML2_CONFIG=$xml_config_prefix/bin/xml2-config
! 33: fi
! 34: fi
! 35:
! 36: AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
! 37: min_xml_version=ifelse([$1], ,2.0.0,[$1])
! 38: AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
! 39: no_xml=""
! 40: if test "$XML2_CONFIG" = "no" ; then
! 41: no_xml=yes
! 42: else
! 43: XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
! 44: XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
! 45: xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
! 46: sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
! 47: xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
! 48: sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
! 49: xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
! 50: sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
! 51: if test "x$enable_xmltest" = "xyes" ; then
! 52: ac_save_CPPFLAGS="$CPPFLAGS"
! 53: ac_save_LIBS="$LIBS"
! 54: CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
! 55: LIBS="$XML_LIBS $LIBS"
! 56: dnl
! 57: dnl Now check if the installed libxml is sufficiently new.
! 58: dnl (Also sanity checks the results of xml2-config to some extent)
! 59: dnl
! 60: rm -f conf.xmltest
! 61: AC_TRY_RUN([
! 62: #include <stdlib.h>
! 63: #include <stdio.h>
! 64: #include <string.h>
! 65: #include <libxml/xmlversion.h>
! 66:
! 67: int
! 68: main()
! 69: {
! 70: int xml_major_version, xml_minor_version, xml_micro_version;
! 71: int major, minor, micro;
! 72: char *tmp_version;
! 73:
! 74: system("touch conf.xmltest");
! 75:
! 76: /* Capture xml2-config output via autoconf/configure variables */
! 77: /* HP/UX 9 (%@#!) writes to sscanf strings */
! 78: tmp_version = (char *)strdup("$min_xml_version");
! 79: if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
! 80: printf("%s, bad version string from xml2-config\n", "$min_xml_version");
! 81: exit(1);
! 82: }
! 83: free(tmp_version);
! 84:
! 85: /* Capture the version information from the header files */
! 86: tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
! 87: if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
! 88: printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
! 89: exit(1);
! 90: }
! 91: free(tmp_version);
! 92:
! 93: /* Compare xml2-config output to the libxml headers */
! 94: if ((xml_major_version != $xml_config_major_version) ||
! 95: (xml_minor_version != $xml_config_minor_version) ||
! 96: (xml_micro_version != $xml_config_micro_version))
! 97: {
! 98: printf("*** libxml header files (version %d.%d.%d) do not match\n",
! 99: xml_major_version, xml_minor_version, xml_micro_version);
! 100: printf("*** xml2-config (version %d.%d.%d)\n",
! 101: $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
! 102: return 1;
! 103: }
! 104: /* Compare the headers to the library to make sure we match */
! 105: /* Less than ideal -- doesn't provide us with return value feedback,
! 106: * only exits if there's a serious mismatch between header and library.
! 107: */
! 108: LIBXML_TEST_VERSION;
! 109:
! 110: /* Test that the library is greater than our minimum version */
! 111: if ((xml_major_version > major) ||
! 112: ((xml_major_version == major) && (xml_minor_version > minor)) ||
! 113: ((xml_major_version == major) && (xml_minor_version == minor) &&
! 114: (xml_micro_version >= micro)))
! 115: {
! 116: return 0;
! 117: }
! 118: else
! 119: {
! 120: printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
! 121: xml_major_version, xml_minor_version, xml_micro_version);
! 122: printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
! 123: major, minor, micro);
! 124: printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
! 125: printf("***\n");
! 126: printf("*** If you have already installed a sufficiently new version, this error\n");
! 127: printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
! 128: printf("*** being found. The easiest way to fix this is to remove the old version\n");
! 129: printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
! 130: printf("*** correct copy of xml2-config. (In this case, you will have to\n");
! 131: printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
! 132: printf("*** so that the correct libraries are found at run-time))\n");
! 133: }
! 134: return 1;
! 135: }
! 136: ],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
! 137: CPPFLAGS="$ac_save_CPPFLAGS"
! 138: LIBS="$ac_save_LIBS"
! 139: fi
! 140: fi
! 141:
! 142: if test "x$no_xml" = x ; then
! 143: AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
! 144: ifelse([$2], , :, [$2])
! 145: else
! 146: AC_MSG_RESULT(no)
! 147: if test "$XML2_CONFIG" = "no" ; then
! 148: echo "*** The xml2-config script installed by LIBXML could not be found"
! 149: echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
! 150: echo "*** your path, or set the XML2_CONFIG environment variable to the"
! 151: echo "*** full path to xml2-config."
! 152: else
! 153: if test -f conf.xmltest ; then
! 154: :
! 155: else
! 156: echo "*** Could not run libxml test program, checking why..."
! 157: CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
! 158: LIBS="$LIBS $XML_LIBS"
! 159: AC_TRY_LINK([
! 160: #include <libxml/xmlversion.h>
! 161: #include <stdio.h>
! 162: ], [ LIBXML_TEST_VERSION; return 0;],
! 163: [ echo "*** The test program compiled, but did not run. This usually means"
! 164: echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
! 165: echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
! 166: echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
! 167: echo "*** to the installed location Also, make sure you have run ldconfig if that"
! 168: echo "*** is required on your system"
! 169: echo "***"
! 170: echo "*** If you have an old version installed, it is best to remove it, although"
! 171: echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
! 172: [ echo "*** The test program failed to compile or link. See the file config.log for the"
! 173: echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
! 174: echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
! 175: echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
! 176: CPPFLAGS="$ac_save_CPPFLAGS"
! 177: LIBS="$ac_save_LIBS"
! 178: fi
! 179: fi
! 180:
! 181: XML_CPPFLAGS=""
! 182: XML_LIBS=""
! 183: ifelse([$3], , :, [$3])
! 184: fi
! 185: AC_SUBST(XML_CPPFLAGS)
! 186: AC_SUBST(XML_LIBS)
! 187: rm -f conf.xmltest
! 188: ])
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