| 1 | # Configure paths for LIBXML2
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| 2 | # Simon Josefsson 2020-02-12
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| 3 | # Fix autoconf 2.70+ warnings
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| 4 | # Mike Hommey 2004-06-19
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| 5 | # use CPPFLAGS instead of CFLAGS
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| 6 | # Toshio Kuratomi 2001-04-21
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| 7 | # Adapted from:
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| 8 | # Configure paths for GLIB
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| 9 | # Owen Taylor 97-11-3
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| 10 |
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| 11 | dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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| 12 | dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
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| 13 | dnl
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| 14 | AC_DEFUN([AM_PATH_XML2],[
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| 15 | AC_ARG_WITH(xml-prefix,
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| 16 | [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
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| 17 | xml_config_prefix="$withval", xml_config_prefix="")
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| 18 | AC_ARG_WITH(xml-exec-prefix,
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| 19 | [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
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| 20 | xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
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| 21 | AC_ARG_ENABLE(xmltest,
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| 22 | [ --disable-xmltest Do not try to compile and run a test LIBXML program],,
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| 23 | enable_xmltest=yes)
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| 24 |
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| 25 | if test x$xml_config_exec_prefix != x ; then
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| 26 | xml_config_args="$xml_config_args"
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| 27 | if test x${XML2_CONFIG+set} != xset ; then
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| 28 | XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
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| 29 | fi
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| 30 | fi
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| 31 | if test x$xml_config_prefix != x ; then
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| 32 | xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
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| 33 | if test x${XML2_CONFIG+set} != xset ; then
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| 34 | XML2_CONFIG=$xml_config_prefix/bin/xml2-config
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| 35 | fi
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| 36 | fi
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| 37 |
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| 38 | AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
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| 39 | min_xml_version=ifelse([$1], ,2.0.0,[$1])
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| 40 | AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
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| 41 | no_xml=""
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| 42 | if test "$XML2_CONFIG" = "no" ; then
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| 43 | no_xml=yes
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| 44 | else
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| 45 | XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
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| 46 | XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
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| 47 | xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
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| 48 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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| 49 | xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
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| 50 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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| 51 | xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
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| 52 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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| 53 | if test "x$enable_xmltest" = "xyes" ; then
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| 54 | ac_save_CPPFLAGS="$CPPFLAGS"
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| 55 | ac_save_LIBS="$LIBS"
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| 56 | CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
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| 57 | LIBS="$XML_LIBS $LIBS"
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| 58 | dnl
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| 59 | dnl Now check if the installed libxml is sufficiently new.
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| 60 | dnl (Also sanity checks the results of xml2-config to some extent)
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| 61 | dnl
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| 62 | rm -f conf.xmltest
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| 63 | AC_RUN_IFELSE(
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| 64 | [AC_LANG_SOURCE([[
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| 65 | #include <stdlib.h>
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| 66 | #include <stdio.h>
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| 67 | #include <string.h>
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| 68 | #include <libxml/xmlversion.h>
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| 69 |
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| 70 | int
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| 71 | main()
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| 72 | {
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| 73 | int xml_major_version, xml_minor_version, xml_micro_version;
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| 74 | int major, minor, micro;
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| 75 | char *tmp_version;
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| 76 |
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| 77 | system("touch conf.xmltest");
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| 78 |
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| 79 | /* Capture xml2-config output via autoconf/configure variables */
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| 80 | /* HP/UX 9 (%@#!) writes to sscanf strings */
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| 81 | tmp_version = (char *)strdup("$min_xml_version");
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| 82 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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| 83 | printf("%s, bad version string from xml2-config\n", "$min_xml_version");
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| 84 | exit(1);
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| 85 | }
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| 86 | free(tmp_version);
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| 87 |
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| 88 | /* Capture the version information from the header files */
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| 89 | tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
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| 90 | if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
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| 91 | printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
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| 92 | exit(1);
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| 93 | }
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| 94 | free(tmp_version);
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| 95 |
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| 96 | /* Compare xml2-config output to the libxml headers */
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| 97 | if ((xml_major_version != $xml_config_major_version) ||
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| 98 | (xml_minor_version != $xml_config_minor_version) ||
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| 99 | (xml_micro_version != $xml_config_micro_version))
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| 100 | {
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| 101 | printf("*** libxml header files (version %d.%d.%d) do not match\n",
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| 102 | xml_major_version, xml_minor_version, xml_micro_version);
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| 103 | printf("*** xml2-config (version %d.%d.%d)\n",
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| 104 | $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
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| 105 | return 1;
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| 106 | }
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| 107 | /* Compare the headers to the library to make sure we match */
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| 108 | /* Less than ideal -- doesn't provide us with return value feedback,
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| 109 | * only exits if there's a serious mismatch between header and library.
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| 110 | */
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| 111 | LIBXML_TEST_VERSION;
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| 112 |
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| 113 | /* Test that the library is greater than our minimum version */
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| 114 | if ((xml_major_version > major) ||
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| 115 | ((xml_major_version == major) && (xml_minor_version > minor)) ||
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| 116 | ((xml_major_version == major) && (xml_minor_version == minor) &&
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| 117 | (xml_micro_version >= micro)))
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| 118 | {
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| 119 | return 0;
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| 120 | }
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| 121 | else
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| 122 | {
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| 123 | printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
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| 124 | xml_major_version, xml_minor_version, xml_micro_version);
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| 125 | printf("*** You need a version of libxml newer than %d.%d.%d.\n",
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| 126 | major, minor, micro);
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| 127 | printf("***\n");
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| 128 | printf("*** If you have already installed a sufficiently new version, this error\n");
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| 129 | printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
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| 130 | printf("*** being found. The easiest way to fix this is to remove the old version\n");
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| 131 | printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
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| 132 | printf("*** correct copy of xml2-config. (In this case, you will have to\n");
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| 133 | printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n");
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| 134 | printf("*** so that the correct libraries are found at run-time))\n");
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| 135 | }
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| 136 | return 1;
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| 137 | }
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| 138 | ]])],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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| 139 | CPPFLAGS="$ac_save_CPPFLAGS"
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| 140 | LIBS="$ac_save_LIBS"
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| 141 | fi
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| 142 | fi
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| 143 |
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| 144 | if test "x$no_xml" = x ; then
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| 145 | AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
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| 146 | ifelse([$2], , :, [$2])
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| 147 | else
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| 148 | AC_MSG_RESULT(no)
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| 149 | if test "$XML2_CONFIG" = "no" ; then
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| 150 | echo "*** The xml2-config script installed by LIBXML could not be found"
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| 151 | echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
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| 152 | echo "*** your path, or set the XML2_CONFIG environment variable to the"
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| 153 | echo "*** full path to xml2-config."
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| 154 | else
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| 155 | if test -f conf.xmltest ; then
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| 156 | :
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| 157 | else
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| 158 | echo "*** Could not run libxml test program, checking why..."
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| 159 | CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
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| 160 | LIBS="$LIBS $XML_LIBS"
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| 161 | AC_LINK_IFELSE(
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| 162 | [AC_LANG_PROGRAM([[
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| 163 | #include <libxml/xmlversion.h>
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| 164 | #include <stdio.h>
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| 165 | ]], [[ LIBXML_TEST_VERSION; return 0;]])],
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| 166 | [ echo "*** The test program compiled, but did not run. This usually means"
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| 167 | echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
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| 168 | echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
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| 169 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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| 170 | echo "*** to the installed location Also, make sure you have run ldconfig if that"
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| 171 | echo "*** is required on your system"
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| 172 | echo "***"
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| 173 | echo "*** If you have an old version installed, it is best to remove it, although"
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| 174 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
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| 175 | [ echo "*** The test program failed to compile or link. See the file config.log for the"
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| 176 | echo "*** exact error that occurred. This usually means LIBXML was incorrectly installed"
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| 177 | echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
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| 178 | echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
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| 179 | CPPFLAGS="$ac_save_CPPFLAGS"
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| 180 | LIBS="$ac_save_LIBS"
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| 181 | fi
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| 182 | fi
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| 183 |
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| 184 | XML_CPPFLAGS=""
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| 185 | XML_LIBS=""
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| 186 | ifelse([$3], , :, [$3])
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| 187 | fi
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| 188 | AC_SUBST(XML_CPPFLAGS)
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| 189 | AC_SUBST(XML_LIBS)
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| 190 | rm -f conf.xmltest
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| 191 | ])
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