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