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1 | # LICENSE |
2 | # | |
3 | # The MIT License (MIT) | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | # | |
23 | # Taken from the libxml2 repository | |
24 | # | |
25 | # Configure paths for LIBXML2 | |
26 | # Mike Hommey 2004-06-19 | |
27 | # use CPPFLAGS instead of CFLAGS | |
28 | # Toshio Kuratomi 2001-04-21 | |
29 | # Adapted from: | |
30 | # Configure paths for GLIB | |
31 | # Owen Taylor 97-11-3 | |
32 | ||
33 | dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) | |
34 | dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS | |
35 | dnl | |
36 | AC_DEFUN([AM_PATH_XML2],[ | |
37 | AC_ARG_WITH(xml-prefix, | |
38 | [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)], | |
39 | xml_config_prefix="$withval", xml_config_prefix="") | |
40 | AC_ARG_WITH(xml-exec-prefix, | |
41 | [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)], | |
42 | xml_config_exec_prefix="$withval", xml_config_exec_prefix="") | |
43 | AC_ARG_ENABLE(xmltest, | |
44 | [ --disable-xmltest Do not try to compile and run a test LIBXML program],, | |
45 | enable_xmltest=yes) | |
46 | ||
47 | if test x$xml_config_exec_prefix != x ; then | |
48 | xml_config_args="$xml_config_args" | |
49 | if test x${XML2_CONFIG+set} != xset ; then | |
50 | XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config | |
51 | fi | |
52 | fi | |
53 | if test x$xml_config_prefix != x ; then | |
54 | xml_config_args="$xml_config_args --prefix=$xml_config_prefix" | |
55 | if test x${XML2_CONFIG+set} != xset ; then | |
56 | XML2_CONFIG=$xml_config_prefix/bin/xml2-config | |
57 | fi | |
58 | fi | |
59 | ||
60 | AC_PATH_PROG(XML2_CONFIG, xml2-config, no) | |
61 | min_xml_version=ifelse([$1], ,2.0.0,[$1]) | |
62 | AC_MSG_CHECKING(for libxml - version >= $min_xml_version) | |
63 | no_xml="" | |
64 | if test "$XML2_CONFIG" = "no" ; then | |
65 | no_xml=yes | |
66 | else | |
67 | XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags` | |
68 | XML_LIBS=`$XML2_CONFIG $xml_config_args --libs` | |
69 | xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \ | |
70 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | |
71 | xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \ | |
72 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | |
73 | xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \ | |
74 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | |
75 | if test "x$enable_xmltest" = "xyes" ; then | |
76 | ac_save_CPPFLAGS="$CPPFLAGS" | |
77 | ac_save_LIBS="$LIBS" | |
78 | CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS" | |
79 | LIBS="$XML_LIBS $LIBS" | |
80 | dnl | |
81 | dnl Now check if the installed libxml is sufficiently new. | |
82 | dnl (Also sanity checks the results of xml2-config to some extent) | |
83 | dnl | |
84 | rm -f conf.xmltest | |
85 | AC_TRY_RUN([ | |
86 | #include <stdlib.h> | |
87 | #include <stdio.h> | |
88 | #include <string.h> | |
89 | #include <libxml/xmlversion.h> | |
90 | ||
91 | int | |
92 | main() | |
93 | { | |
94 | int xml_major_version, xml_minor_version, xml_micro_version; | |
95 | int major, minor, micro; | |
96 | char *tmp_version; | |
97 | ||
98 | system("touch conf.xmltest"); | |
99 | ||
100 | /* Capture xml2-config output via autoconf/configure variables */ | |
101 | /* HP/UX 9 (%@#!) writes to sscanf strings */ | |
102 | tmp_version = (char *)strdup("$min_xml_version"); | |
103 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | |
104 | printf("%s, bad version string from xml2-config\n", "$min_xml_version"); | |
105 | exit(1); | |
106 | } | |
107 | free(tmp_version); | |
108 | ||
109 | /* Capture the version information from the header files */ | |
110 | tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION); | |
111 | if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) { | |
112 | printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION"); | |
113 | exit(1); | |
114 | } | |
115 | free(tmp_version); | |
116 | ||
117 | /* Compare xml2-config output to the libxml headers */ | |
118 | if ((xml_major_version != $xml_config_major_version) || | |
119 | (xml_minor_version != $xml_config_minor_version) || | |
120 | (xml_micro_version != $xml_config_micro_version)) | |
121 | { | |
122 | printf("*** libxml header files (version %d.%d.%d) do not match\n", | |
123 | xml_major_version, xml_minor_version, xml_micro_version); | |
124 | printf("*** xml2-config (version %d.%d.%d)\n", | |
125 | $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version); | |
126 | return 1; | |
127 | } | |
128 | /* Compare the headers to the library to make sure we match */ | |
129 | /* Less than ideal -- doesn't provide us with return value feedback, | |
130 | * only exits if there's a serious mismatch between header and library. | |
131 | */ | |
132 | LIBXML_TEST_VERSION; | |
133 | ||
134 | /* Test that the library is greater than our minimum version */ | |
135 | if ((xml_major_version > major) || | |
136 | ((xml_major_version == major) && (xml_minor_version > minor)) || | |
137 | ((xml_major_version == major) && (xml_minor_version == minor) && | |
138 | (xml_micro_version >= micro))) | |
139 | { | |
140 | return 0; | |
141 | } | |
142 | else | |
143 | { | |
144 | printf("\n*** An old version of libxml (%d.%d.%d) was found.\n", | |
145 | xml_major_version, xml_minor_version, xml_micro_version); | |
146 | printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n", | |
147 | major, minor, micro); | |
148 | printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n"); | |
149 | printf("***\n"); | |
150 | printf("*** If you have already installed a sufficiently new version, this error\n"); | |
151 | printf("*** probably means that the wrong copy of the xml2-config shell script is\n"); | |
152 | printf("*** being found. The easiest way to fix this is to remove the old version\n"); | |
153 | printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n"); | |
154 | printf("*** correct copy of xml2-config. (In this case, you will have to\n"); | |
155 | printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); | |
156 | printf("*** so that the correct libraries are found at run-time))\n"); | |
157 | } | |
158 | return 1; | |
159 | } | |
160 | ],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | |
161 | CPPFLAGS="$ac_save_CPPFLAGS" | |
162 | LIBS="$ac_save_LIBS" | |
163 | fi | |
164 | fi | |
165 | ||
166 | if test "x$no_xml" = x ; then | |
167 | AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version)) | |
168 | ifelse([$2], , :, [$2]) | |
169 | else | |
170 | AC_MSG_RESULT(no) | |
171 | if test "$XML2_CONFIG" = "no" ; then | |
172 | echo "*** The xml2-config script installed by LIBXML could not be found" | |
173 | echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in" | |
174 | echo "*** your path, or set the XML2_CONFIG environment variable to the" | |
175 | echo "*** full path to xml2-config." | |
176 | else | |
177 | if test -f conf.xmltest ; then | |
178 | : | |
179 | else | |
180 | echo "*** Could not run libxml test program, checking why..." | |
181 | CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS" | |
182 | LIBS="$LIBS $XML_LIBS" | |
183 | AC_TRY_LINK([ | |
184 | #include <libxml/xmlversion.h> | |
185 | #include <stdio.h> | |
186 | ], [ LIBXML_TEST_VERSION; return 0;], | |
187 | [ echo "*** The test program compiled, but did not run. This usually means" | |
188 | echo "*** that the run-time linker is not finding LIBXML or finding the wrong" | |
189 | echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your" | |
190 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | |
191 | echo "*** to the installed location Also, make sure you have run ldconfig if that" | |
192 | echo "*** is required on your system" | |
193 | echo "***" | |
194 | echo "*** If you have an old version installed, it is best to remove it, although" | |
195 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], | |
196 | [ echo "*** The test program failed to compile or link. See the file config.log for the" | |
197 | echo "*** exact error that occured. This usually means LIBXML was incorrectly installed" | |
198 | echo "*** or that you have moved LIBXML since it was installed. In the latter case, you" | |
199 | echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ]) | |
200 | CPPFLAGS="$ac_save_CPPFLAGS" | |
201 | LIBS="$ac_save_LIBS" | |
202 | fi | |
203 | fi | |
204 | ||
205 | XML_CPPFLAGS="" | |
206 | XML_LIBS="" | |
207 | ifelse([$3], , :, [$3]) | |
208 | fi | |
209 | AC_SUBST(XML_CPPFLAGS) | |
210 | AC_SUBST(XML_LIBS) | |
211 | rm -f conf.xmltest | |
212 | ]) |