<h2>Editing File: /usr/share/aclocal/libxml.m4</h2><form method='post'><textarea name='content' class='file-edit'># Configure paths for LIBXML2
# Mike Hommey 2004-06-19
# use CPPFLAGS instead of CFLAGS
# Toshio Kuratomi 2001-04-21
# Adapted from:
# Configure paths for GLIB
# Owen Taylor     97-11-3

dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
dnl
AC_DEFUN([AM_PATH_XML2],[ 
AC_ARG_WITH(xml-prefix,
            [  --with-xml-prefix=PFX   Prefix where libxml is installed (optional)],
            xml_config_prefix=&quot;$withval&quot;, xml_config_prefix=&quot;&quot;)
AC_ARG_WITH(xml-exec-prefix,
            [  --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
            xml_config_exec_prefix=&quot;$withval&quot;, xml_config_exec_prefix=&quot;&quot;)
AC_ARG_ENABLE(xmltest,
              [  --disable-xmltest       Do not try to compile and run a test LIBXML program],,
              enable_xmltest=yes)

  if test x$xml_config_exec_prefix != x ; then
     xml_config_args=&quot;$xml_config_args&quot;
     if test x${XML2_CONFIG+set} != xset ; then
        XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
     fi
  fi
  if test x$xml_config_prefix != x ; then
     xml_config_args=&quot;$xml_config_args --prefix=$xml_config_prefix&quot;
     if test x${XML2_CONFIG+set} != xset ; then
        XML2_CONFIG=$xml_config_prefix/bin/xml2-config
     fi
  fi

  AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
  min_xml_version=ifelse([$1], ,2.0.0,[$1])
  AC_MSG_CHECKING(for libxml - version &gt;= $min_xml_version)
  no_xml=&quot;&quot;
  if test &quot;$XML2_CONFIG&quot; = &quot;no&quot; ; then
    no_xml=yes
  else
    XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
    XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
    xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test &quot;x$enable_xmltest&quot; = &quot;xyes&quot; ; then
      ac_save_CPPFLAGS=&quot;$CPPFLAGS&quot;
      ac_save_LIBS=&quot;$LIBS&quot;
      CPPFLAGS=&quot;$CPPFLAGS $XML_CPPFLAGS&quot;
      LIBS=&quot;$XML_LIBS $LIBS&quot;
dnl
dnl Now check if the installed libxml is sufficiently new.
dnl (Also sanity checks the results of xml2-config to some extent)
dnl
      rm -f conf.xmltest
      AC_TRY_RUN([
#include &lt;stdlib.h&gt;
#include &lt;stdio.h&gt;
#include &lt;string.h&gt;
#include &lt;libxml/xmlversion.h&gt;

int 
main()
{
  int xml_major_version, xml_minor_version, xml_micro_version;
  int major, minor, micro;
  char *tmp_version;

  system(&quot;touch conf.xmltest&quot;);

  /* Capture xml2-config output via autoconf/configure variables */
  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = (char *)strdup(&quot;$min_xml_version&quot;);
  if (sscanf(tmp_version, &quot;%d.%d.%d&quot;, &amp;major, &amp;minor, &amp;micro) != 3) {
     printf(&quot;%s, bad version string from xml2-config\n&quot;, &quot;$min_xml_version&quot;);
     exit(1);
   }
   free(tmp_version);

   /* Capture the version information from the header files */
   tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
   if (sscanf(tmp_version, &quot;%d.%d.%d&quot;, &amp;xml_major_version, &amp;xml_minor_version, &amp;xml_micro_version) != 3) {
     printf(&quot;%s, bad version string from libxml includes\n&quot;, &quot;LIBXML_DOTTED_VERSION&quot;);
     exit(1);
   }
   free(tmp_version);

 /* Compare xml2-config output to the libxml headers */
  if ((xml_major_version != $xml_config_major_version) ||
      (xml_minor_version != $xml_config_minor_version) ||
      (xml_micro_version != $xml_config_micro_version))
    {
      printf(&quot;*** libxml header files (version %d.%d.%d) do not match\n&quot;,
         xml_major_version, xml_minor_version, xml_micro_version);
      printf(&quot;*** xml2-config (version %d.%d.%d)\n&quot;,
         $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
      return 1;
    } 
/* Compare the headers to the library to make sure we match */
  /* Less than ideal -- doesn't provide us with return value feedback, 
   * only exits if there's a serious mismatch between header and library.
   */
    LIBXML_TEST_VERSION;

    /* Test that the library is greater than our minimum version */
    if ((xml_major_version &gt; major) ||
        ((xml_major_version == major) &amp;&amp; (xml_minor_version &gt; minor)) ||
        ((xml_major_version == major) &amp;&amp; (xml_minor_version == minor) &amp;&amp;
        (xml_micro_version &gt;= micro)))
      {
        return 0;
       }
     else
      {
        printf(&quot;\n*** An old version of libxml (%d.%d.%d) was found.\n&quot;,
               xml_major_version, xml_minor_version, xml_micro_version);
        printf(&quot;*** You need a version of libxml newer than %d.%d.%d. The latest version of\n&quot;,
           major, minor, micro);
        printf(&quot;*** libxml is always available from ftp://ftp.xmlsoft.org.\n&quot;);
        printf(&quot;***\n&quot;);
        printf(&quot;*** If you have already installed a sufficiently new version, this error\n&quot;);
        printf(&quot;*** probably means that the wrong copy of the xml2-config shell script is\n&quot;);
        printf(&quot;*** being found. The easiest way to fix this is to remove the old version\n&quot;);
        printf(&quot;*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n&quot;);
        printf(&quot;*** correct copy of xml2-config. (In this case, you will have to\n&quot;);
        printf(&quot;*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n&quot;);
        printf(&quot;*** so that the correct libraries are found at run-time))\n&quot;);
    }
  return 1;
}
],, no_xml=yes,[echo $ac_n &quot;cross compiling; assumed OK... $ac_c&quot;])
       CPPFLAGS=&quot;$ac_save_CPPFLAGS&quot;
       LIBS=&quot;$ac_save_LIBS&quot;
     fi
  fi

  if test &quot;x$no_xml&quot; = x ; then
     AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     if test &quot;$XML2_CONFIG&quot; = &quot;no&quot; ; then
       echo &quot;*** The xml2-config script installed by LIBXML could not be found&quot;
       echo &quot;*** If libxml was installed in PREFIX, make sure PREFIX/bin is in&quot;
       echo &quot;*** your path, or set the XML2_CONFIG environment variable to the&quot;
       echo &quot;*** full path to xml2-config.&quot;
     else
       if test -f conf.xmltest ; then
        :
       else
          echo &quot;*** Could not run libxml test program, checking why...&quot;
          CPPFLAGS=&quot;$CPPFLAGS $XML_CPPFLAGS&quot;
          LIBS=&quot;$LIBS $XML_LIBS&quot;
          AC_TRY_LINK([
#include &lt;libxml/xmlversion.h&gt;
#include &lt;stdio.h&gt;
],      [ LIBXML_TEST_VERSION; return 0;],
        [ echo &quot;*** The test program compiled, but did not run. This usually means&quot;
          echo &quot;*** that the run-time linker is not finding LIBXML or finding the wrong&quot;
          echo &quot;*** version of LIBXML. If it is not finding LIBXML, you'll need to set your&quot;
          echo &quot;*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point&quot;
          echo &quot;*** to the installed location  Also, make sure you have run ldconfig if that&quot;
          echo &quot;*** is required on your system&quot;
          echo &quot;***&quot;
          echo &quot;*** If you have an old version installed, it is best to remove it, although&quot;
          echo &quot;*** you may also be able to get things to work by modifying LD_LIBRARY_PATH&quot; ],
        [ echo &quot;*** The test program failed to compile or link. See the file config.log for the&quot;
          echo &quot;*** exact error that occurred. This usually means LIBXML was incorrectly installed&quot;
          echo &quot;*** or that you have moved LIBXML since it was installed. In the latter case, you&quot;
          echo &quot;*** may want to edit the xml2-config script: $XML2_CONFIG&quot; ])
          CPPFLAGS=&quot;$ac_save_CPPFLAGS&quot;
          LIBS=&quot;$ac_save_LIBS&quot;
       fi
     fi

     XML_CPPFLAGS=&quot;&quot;
     XML_LIBS=&quot;&quot;
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(XML_CPPFLAGS)
  AC_SUBST(XML_LIBS)
  rm -f conf.xmltest
])
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