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44 lines
1.3 KiB
Text
44 lines
1.3 KiB
Text
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dnl call this macro with the minimum required version as an argument
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dnl this macro sets and AC_SUBSTs XML_CFLAGS and XML_LIBS
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dnl it also sets LIBXML_PKG, used for the pkg-config file
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AC_DEFUN([AG_GST_LIBXML2_CHECK],
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[
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dnl Minimum required version of libxml2
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dnl default to 2.4.9 if not specified
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LIBXML2_REQ=ifelse([$1],,2.4.9,[$1])
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AC_SUBST(LIBXML2_REQ)
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dnl check for libxml2
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PKG_CHECK_MODULES(XML, libxml-2.0 >= $LIBXML2_REQ,
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HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
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if test "x$HAVE_LIBXML2" = "xyes"; then
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AC_DEFINE(HAVE_LIBXML2, 1, [Define if libxml2 is available])
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else
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AC_MSG_ERROR([Need libxml2 for glib2 builds -- you should be able to do without it -- this needs fixing])
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fi
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dnl this is for the .pc file
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LIBXML_PKG=', libxml-2.0'
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AC_SUBST(LIBXML_PKG)
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AC_SUBST(XML_LIBS)
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AC_SUBST(XML_CFLAGS)
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dnl XML_LIBS might pull in -lz without zlib actually being on the system, so
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dnl try linking with these LIBS and CFLAGS
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ac_save_CFLAGS=$CFLAGS
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ac_save_LIBS=$LIBS
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CFLAGS="$CFLAGS $XML_CFLAGS"
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LIBS="$LIBS $XML_LIBS"
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AC_TRY_LINK([
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#include <libxml/tree.h>
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#include <stdio.h>
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],[
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/* function body */
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],
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AC_MSG_NOTICE([Test xml2 program linked]),
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AC_MSG_ERROR([Could not link libxml2 test program. Check if you have the necessary dependencies.])
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)
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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])
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