Annotation of embedaddon/libxml2/libxml.m4, revision 1.1.1.1
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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