| blob | 68cd8242fbc889c942e1104511b5ea7b9f66f35a |
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
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)
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
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 $LIBS"
56 dnl
57 dnl Now check if the installed libxml is sufficiently new.
58 dnl (Also sanity checks the results of xml2-config to some extent)
59 dnl
60 rm -f conf.xmltest
61 AC_TRY_RUN([
62 #include <stdlib.h>
63 #include <stdio.h>
64 #include <string.h>
65 #include <libxml/xmlversion.h>
67 int
68 main()
69 {
70 int xml_major_version, xml_minor_version, xml_micro_version;
71 int major, minor, micro;
72 char *tmp_version;
74 system("touch conf.xmltest");
76 /* Capture xml2-config output via autoconf/configure variables */
77 /* HP/UX 9 (%@#!) writes to sscanf strings */
78 tmp_version = (char *)strdup("$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);
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);
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;
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="$ac_save_LIBS"
139 fi
140 fi
142 if test "x$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
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 ])