1# Configure paths for LIBXML2
2# Toshio Kuratomi 2001-04-21
3# Adapted from:
4# Configure paths for GLIB
5# Owen Taylor     97-11-3
6
7dnl AM_PATH_XML([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
8dnl Test for XML, and define XML_CFLAGS and XML_LIBS
9dnl
10AC_DEFUN([AM_PATH_XML],[
11AC_ARG_WITH(xml-prefix,
12            [  --with-xml-prefix=PFX   Prefix where libxml is installed (optional)],
13            xml_config_prefix="$withval", xml_config_prefix="")
14AC_ARG_WITH(xml-exec-prefix,
15            [  --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
16            xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
17AC_ARG_ENABLE(xmltest,
18              [  --disable-xmltest       Do not try to compile and run a test LIBXML program],,
19              enable_xmltest=yes)
20
21  if test x$xml_config_exec_prefix != x ; then
22     xml_config_args="$xml_config_args --exec-prefix=$xml_config_exec_prefix"
23     if test x${XML_CONFIG+set} != xset ; then
24        XML_CONFIG=$xml_config_exec_prefix/bin/xml-config
25     fi
26  fi
27  if test x$xml_config_prefix != x ; then
28     xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
29     if test x${XML_CONFIG+set} != xset ; then
30        XML_CONFIG=$xml_config_prefix/bin/xml-config
31     fi
32  fi
33
34  AC_PATH_PROG(XML_CONFIG, xml-config, no)
35  min_xml_version=ifelse([$1], ,1.0.0,[$1])
36  AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
37  no_xml=""
38  if test "$XML_CONFIG" = "no" ; then
39    no_xml=yes
40  else
41    XML_CFLAGS=`$XML_CONFIG $xml_config_args --cflags`
42    XML_LIBS=`$XML_CONFIG $xml_config_args --libs`
43    xml_config_major_version=`$XML_CONFIG $xml_config_args --version | \
44           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
45    xml_config_minor_version=`$XML_CONFIG $xml_config_args --version | \
46           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
47    xml_config_micro_version=`$XML_CONFIG $xml_config_args --version | \
48           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
49    if test "x$enable_xmltest" = "xyes" ; then
50      ac_save_CFLAGS="$CFLAGS"
51      ac_save_LIBS="$LIBS"
52      CFLAGS="$CFLAGS $XML_CFLAGS"
53      LIBS="$XML_LIBS $LIBS"
54dnl
55dnl Now check if the installed libxml is sufficiently new.
56dnl (Also sanity checks the results of xml-config to some extent)
57dnl
58      rm -f conf.xmltest
59      AC_TRY_RUN([
60#include <stdlib.h>
61#include <stdio.h>
62#include <string.h>
63#include <libxml/tree.h>
64
65int
66main()
67{
68  int xml_major_version, xml_minor_version, xml_micro_version;
69  int major, minor, micro;
70  char *tmp_version;
71  int tmp_int_version;
72
73  system("touch conf.xmltest");
74
75  /* Capture xml-config output via autoconf/configure variables */
76  /* HP/UX 9 (%@#!) writes to sscanf strings */
77  tmp_version = (char *)strdup("$min_xml_version");
78  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
79     printf("%s, bad version string from xml-config\n", "$min_xml_version");
80     exit(1);
81   }
82   free(tmp_version);
83
84   /* Capture the version information from the header files */
85   tmp_int_version = LIBXML_VERSION;
86   xml_major_version=tmp_int_version / 10000;
87   xml_minor_version=(tmp_int_version - xml_major_version * 10000) / 100;
88   xml_micro_version=(tmp_int_version - xml_minor_version * 100 - xml_major_version * 10000);
89
90 /* Compare xml-config output to the libxml headers */
91  if ((xml_major_version != $xml_config_major_version) ||
92      (xml_minor_version != $xml_config_minor_version)
93#if 0
94      ||
95/* The last released version of libxml-1.x has an incorrect micro version in
96 * the header file so neither the includes nor the library will match the
97 * micro_version to the output of xml-config
98 */
99      (xml_micro_version != $xml_config_micro_version)
100#endif
101	  )
102
103    {
104      printf("*** libxml header files (version %d.%d.%d) do not match\n",
105         xml_major_version, xml_minor_version, xml_micro_version);
106      printf("*** xml-config (version %d.%d.%d)\n",
107         $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
108      return 1;
109    }
110/* Compare the headers to the library to make sure we match */
111  /* Less than ideal -- doesn't provide us with return value feedback,
112   * only exits if there's a serious mismatch between header and library.
113   */
114    LIBXML_TEST_VERSION;
115
116    /* Test that the library is greater than our minimum version */
117    if (($xml_config_major_version > major) ||
118        (($xml_config_major_version == major) && ($xml_config_minor_version > minor)) ||
119        (($xml_config_major_version == major) && ($xml_config_minor_version == minor) &&
120        ($xml_config_micro_version >= micro)))
121      {
122        return 0;
123       }
124     else
125      {
126        printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
127               xml_major_version, xml_minor_version, xml_micro_version);
128        printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
129           major, minor, micro);
130        printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
131        printf("***\n");
132        printf("*** If you have already installed a sufficiently new version, this error\n");
133        printf("*** probably means that the wrong copy of the xml-config shell script is\n");
134        printf("*** being found. The easiest way to fix this is to remove the old version\n");
135        printf("*** of LIBXML, but you can also set the XML_CONFIG environment to point to the\n");
136        printf("*** correct copy of xml-config. (In this case, you will have to\n");
137        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
138        printf("*** so that the correct libraries are found at run-time))\n");
139    }
140  return 1;
141}
142],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
143       CFLAGS="$ac_save_CFLAGS"
144       LIBS="$ac_save_LIBS"
145     fi
146  fi
147
148  if test "x$no_xml" = x ; then
149     AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
150     ifelse([$2], , :, [$2])
151  else
152     AC_MSG_RESULT(no)
153     if test "$XML_CONFIG" = "no" ; then
154       echo "*** The xml-config script installed by LIBXML could not be found"
155       echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
156       echo "*** your path, or set the XML_CONFIG environment variable to the"
157       echo "*** full path to xml-config."
158     else
159       if test -f conf.xmltest ; then
160        :
161       else
162          echo "*** Could not run libxml test program, checking why..."
163          CFLAGS="$CFLAGS $XML_CFLAGS"
164          LIBS="$LIBS $XML_LIBS"
165          AC_TRY_LINK([
166#include <libxml/tree.h>
167#include <stdio.h>
168],      [ LIBXML_TEST_VERSION; return 0;],
169        [ echo "*** The test program compiled, but did not run. This usually means"
170          echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
171          echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
172          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
173          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
174          echo "*** is required on your system"
175          echo "***"
176          echo "*** If you have an old version installed, it is best to remove it, although"
177          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
178        [ echo "*** The test program failed to compile or link. See the file config.log for the"
179          echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
180          echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
181          echo "*** may want to edit the xml-config script: $XML_CONFIG" ])
182          CFLAGS="$ac_save_CFLAGS"
183          LIBS="$ac_save_LIBS"
184       fi
185     fi
186
187     XML_CFLAGS=""
188     XML_LIBS=""
189     ifelse([$3], , :, [$3])
190  fi
191  AC_SUBST(XML_CFLAGS)
192  AC_SUBST(XML_LIBS)
193  rm -f conf.xmltest
194])
195
196# Configure paths for LIBXML2
197# Toshio Kuratomi 2001-04-21
198# Adapted from:
199# Configure paths for GLIB
200# Owen Taylor     97-11-3
201
202dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
203dnl Test for XML, and define XML_CFLAGS and XML_LIBS
204dnl
205AC_DEFUN([AM_PATH_XML2],[
206AC_ARG_WITH(xml-prefix,
207            [  --with-xml-prefix=PFX   Prefix where libxml is installed (optional)],
208            xml_config_prefix="$withval", xml_config_prefix="")
209AC_ARG_WITH(xml-exec-prefix,
210            [  --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
211            xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
212AC_ARG_ENABLE(xmltest,
213              [  --disable-xmltest       Do not try to compile and run a test LIBXML program],,
214              enable_xmltest=yes)
215
216  if test x$xml_config_exec_prefix != x ; then
217     xml_config_args="$xml_config_args --exec-prefix=$xml_config_exec_prefix"
218     if test x${XML2_CONFIG+set} != xset ; then
219        XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
220     fi
221  fi
222  if test x$xml_config_prefix != x ; then
223     xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
224     if test x${XML2_CONFIG+set} != xset ; then
225        XML2_CONFIG=$xml_config_prefix/bin/xml2-config
226     fi
227  fi
228
229  AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
230  min_xml_version=ifelse([$1], ,2.0.0,[$1])
231  AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
232  no_xml=""
233  if test "$XML2_CONFIG" = "no" ; then
234    no_xml=yes
235  else
236    XML_CFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
237    XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
238    xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
239           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
240    xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
241           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
242    xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
243           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
244    if test "x$enable_xmltest" = "xyes" ; then
245      ac_save_CFLAGS="$CFLAGS"
246      ac_save_CXXFLAGS="$CXXFLAGS"
247      ac_save_LIBS="$LIBS"
248      CFLAGS="$CFLAGS $XML_CFLAGS"
249      CXXFLAGS="$CXXFLAGS $XML_CFLAGS"
250      LIBS="$XML_LIBS $LIBS"
251dnl
252dnl Now check if the installed libxml is sufficiently new.
253dnl (Also sanity checks the results of xml2-config to some extent)
254dnl
255      rm -f conf.xmltest
256      AC_TRY_RUN([
257#include <stdlib.h>
258#include <stdio.h>
259#include <string.h>
260#include <libxml/xmlversion.h>
261
262int
263main()
264{
265  int xml_major_version, xml_minor_version, xml_micro_version;
266  int major, minor, micro;
267  char *tmp_version;
268
269  system("touch conf.xmltest");
270
271  /* Capture xml2-config output via autoconf/configure variables */
272  /* HP/UX 9 (%@#!) writes to sscanf strings */
273  tmp_version = (char *)strdup("$min_xml_version");
274  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
275     printf("%s, bad version string from xml2-config\n", "$min_xml_version");
276     exit(1);
277   }
278   free(tmp_version);
279
280   /* Capture the version information from the header files */
281   tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
282   if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
283     printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
284     exit(1);
285   }
286   free(tmp_version);
287
288 /* Compare xml2-config output to the libxml headers */
289  if ((xml_major_version != $xml_config_major_version) ||
290      (xml_minor_version != $xml_config_minor_version) ||
291      (xml_micro_version != $xml_config_micro_version))
292    {
293      printf("*** libxml header files (version %d.%d.%d) do not match\n",
294         xml_major_version, xml_minor_version, xml_micro_version);
295      printf("*** xml2-config (version %d.%d.%d)\n",
296         $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
297      return 1;
298    }
299/* Compare the headers to the library to make sure we match */
300  /* Less than ideal -- doesn't provide us with return value feedback,
301   * only exits if there's a serious mismatch between header and library.
302   */
303    LIBXML_TEST_VERSION;
304
305    /* Test that the library is greater than our minimum version */
306    if ((xml_major_version > major) ||
307        ((xml_major_version == major) && (xml_minor_version > minor)) ||
308        ((xml_major_version == major) && (xml_minor_version == minor) &&
309        (xml_micro_version >= micro)))
310      {
311        return 0;
312       }
313     else
314      {
315        printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
316               xml_major_version, xml_minor_version, xml_micro_version);
317        printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
318           major, minor, micro);
319        printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
320        printf("***\n");
321        printf("*** If you have already installed a sufficiently new version, this error\n");
322        printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
323        printf("*** being found. The easiest way to fix this is to remove the old version\n");
324        printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
325        printf("*** correct copy of xml2-config. (In this case, you will have to\n");
326        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
327        printf("*** so that the correct libraries are found at run-time))\n");
328    }
329  return 1;
330}
331],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
332       CFLAGS="$ac_save_CFLAGS"
333       CXXFLAGS="$ac_save_CXXFLAGS"
334       LIBS="$ac_save_LIBS"
335     fi
336  fi
337
338  if test "x$no_xml" = x ; then
339     AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
340     ifelse([$2], , :, [$2])
341  else
342     AC_MSG_RESULT(no)
343     if test "$XML2_CONFIG" = "no" ; then
344       echo "*** The xml2-config script installed by LIBXML could not be found"
345       echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
346       echo "*** your path, or set the XML2_CONFIG environment variable to the"
347       echo "*** full path to xml2-config."
348     else
349       if test -f conf.xmltest ; then
350        :
351       else
352          echo "*** Could not run libxml test program, checking why..."
353          CFLAGS="$CFLAGS $XML_CFLAGS"
354          CXXFLAGS="$CXXFLAGS $XML_CFLAGS"
355          LIBS="$LIBS $XML_LIBS"
356          AC_TRY_LINK([
357#include <libxml/xmlversion.h>
358#include <stdio.h>
359],      [ LIBXML_TEST_VERSION; return 0;],
360        [ echo "*** The test program compiled, but did not run. This usually means"
361          echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
362          echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
363          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
364          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
365          echo "*** is required on your system"
366          echo "***"
367          echo "*** If you have an old version installed, it is best to remove it, although"
368          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
369        [ echo "*** The test program failed to compile or link. See the file config.log for the"
370          echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
371          echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
372          echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
373          CFLAGS="$ac_save_CFLAGS"
374          CXXFLAGS="$ac_save_CXXFLAGS"
375          LIBS="$ac_save_LIBS"
376       fi
377     fi
378
379     XML_CFLAGS=""
380     XML_LIBS=""
381     $3
382
383
384     ifelse([$3], , :, [$3])
385  fi
386  AC_SUBST(XML_CFLAGS)
387  AC_SUBST(XML_LIBS)
388  rm -f conf.xmltest
389])
390