| dnl call this macro with the minimum required version as an argument |
| dnl this macro sets and AC_SUBSTs XML_CFLAGS and XML_LIBS |
| dnl it also sets LIBXML_PKG, used for the pkg-config file |
| |
| AC_DEFUN([AG_GST_LIBXML2_CHECK], |
| [ |
| dnl Minimum required version of libxml2 |
| dnl default to 2.4.9 if not specified |
| LIBXML2_REQ=ifelse([$1],,2.4.9,[$1]) |
| AC_SUBST(LIBXML2_REQ) |
| |
| dnl check for libxml2 |
| PKG_CHECK_MODULES(XML, libxml-2.0 >= $LIBXML2_REQ, |
| HAVE_LIBXML2=yes, [ |
| AC_MSG_RESULT(no) |
| HAVE_LIBXML2=no |
| ]) |
| if test "x$HAVE_LIBXML2" = "xyes"; then |
| AC_DEFINE(HAVE_LIBXML2, 1, [Define if libxml2 is available]) |
| else |
| AC_MSG_ERROR([ |
| Need libxml2 and development headers/files to build GStreamer. |
| |
| You can do without libxml2 if you pass --disable-loadsave to |
| configure, but that breaks ABI, so don't do that unless you |
| are building for an embedded setup and know what you are doing. |
| ]) |
| fi |
| dnl this is for the .pc file |
| LIBXML_PKG=', libxml-2.0' |
| AC_SUBST(LIBXML_PKG) |
| AC_SUBST(XML_LIBS) |
| AC_SUBST(XML_CFLAGS) |
| |
| dnl XML_LIBS might pull in -lz without zlib actually being on the system, so |
| dnl try linking with these LIBS and CFLAGS |
| ac_save_CFLAGS=$CFLAGS |
| ac_save_LIBS=$LIBS |
| CFLAGS="$CFLAGS $XML_CFLAGS" |
| LIBS="$LIBS $XML_LIBS" |
| AC_TRY_LINK([ |
| #include <libxml/tree.h> |
| #include <stdio.h> |
| ],[ |
| /* function body */ |
| ], |
| AC_MSG_NOTICE([Test xml2 program linked]), |
| AC_MSG_ERROR([Could not link libxml2 test program. Check if you have the necessary dependencies.]) |
| ) |
| CFLAGS="$ac_save_CFLAGS" |
| LIBS="$ac_save_LIBS" |
| ]) |
