# 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(,[ AC_ARG_WITH(xml-prefix,

[  --with-xml-prefix=PFX   Prefix where libxml is installed (optional)],
xml_config_prefix="$withval", xml_config_prefix="")

AC_ARG_WITH(xml-exec-prefix,

[  --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
xml_config_exec_prefix="$withval", xml_config_exec_prefix="")

AC_ARG_ENABLE(xmltest,

            [  --disable-xmltest       Do not try to compile and run a test LIBXML program],,
            enable_xmltest=yes)

if test x$xml_config_exec_prefix != x ; then
   xml_config_args="$xml_config_args"
   if test x${XML2_CONFIG+set} != xset ; then
      XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
   fi
fi
if test x$xml_config_prefix != x ; then
   xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
   if test x${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 >= $min_xml_version)
no_xml=""
if test "$XML2_CONFIG" = "no" ; 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 "x$enable_xmltest" = "xyes" ; then
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_save_LIBS="$LIBS"
    CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
    LIBS="$XML_LIBS $LIBS"

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 <stdlib.h> include <stdio.h> include <string.h> include <libxml/xmlversion.h>

int main() {

 int xml_major_version, xml_minor_version, xml_micro_version;
 int major, minor, micro;
 char *tmp_version;

 system("touch conf.xmltest");

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

  /* Capture the version information from the header files */
  tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
  if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
    printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
    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("*** libxml header files (version %d.%d.%d) do not match\n",
        xml_major_version, xml_minor_version, xml_micro_version);
     printf("*** xml2-config (version %d.%d.%d)\n",
        $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 > major) ||
      ((xml_major_version == major) && (xml_minor_version > minor)) ||
      ((xml_major_version == major) && (xml_minor_version == minor) &&
      (xml_micro_version >= micro)))
    {
      return 0;
     }
   else
    {
      printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
             xml_major_version, xml_minor_version, xml_micro_version);
      printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
         major, minor, micro);
      printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
      printf("***\n");
      printf("*** If you have already installed a sufficiently new version, this error\n");
      printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
      printf("*** being found. The easiest way to fix this is to remove the old version\n");
      printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
      printf("*** correct copy of xml2-config. (In this case, you will have to\n");
      printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
      printf("*** so that the correct libraries are found at run-time))\n");
  }
return 1;

} ],, no_xml=yes,[echo $ac_n “cross compiling; assumed OK… $ac_c”])

     CPPFLAGS="$ac_save_CPPFLAGS"
     LIBS="$ac_save_LIBS"
   fi
fi

if test "x$no_xml" = x ; then
   AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
   ifelse([$2], , :, [$2])     
else
   AC_MSG_RESULT(no)
   if test "$XML2_CONFIG" = "no" ; then
     echo "*** The xml2-config script installed by LIBXML could not be found"
     echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
     echo "*** your path, or set the XML2_CONFIG environment variable to the"
     echo "*** full path to xml2-config."
   else
     if test -f conf.xmltest ; then
      :
     else
        echo "*** Could not run libxml test program, checking why..."
        CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
        LIBS="$LIBS $XML_LIBS"
        AC_TRY_LINK([

include <libxml/xmlversion.h> include <stdio.h> ], [ LIBXML_TEST_VERSION; return 0;],

      [ echo "*** The test program compiled, but did not run. This usually means"
        echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
        echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
        echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
        echo "*** to the installed location  Also, make sure you have run ldconfig if that"
        echo "*** is required on your system"
        echo "***"
        echo "*** If you have an old version installed, it is best to remove it, although"
        echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
      [ echo "*** The test program failed to compile or link. See the file config.log for the"
        echo "*** exact error that occurred. This usually means LIBXML was incorrectly installed"
        echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
        echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
        CPPFLAGS="$ac_save_CPPFLAGS"
        LIBS="$ac_save_LIBS"
     fi
   fi

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

])