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#
# lldp_CHECK_XML2
#
AC_DEFUN([lldp_CHECK_XML2], [
AS_IF([test x"$with_xml" != x"no"], [
PKG_CHECK_MODULES([libxml2], [libxml-2.0], [
dnl Found through pkg-config
AC_DEFINE_UNQUOTED([USE_XML], 1, [Define to indicate to enable XML support])
with_xml=yes
],[
dnl Fallback to xml2-config
AC_PATH_TOOL([XML2_CONFIG], [xml2-config], [no])
AS_IF([test x"$XML2_CONFIG" = x"no"], [
dnl No luck
AS_IF([test x"$with_xml" = x"yes"], [
AC_MSG_FAILURE([*** no libxml2 support found])
])
with_xml=no
], [
dnl Check that it's working as expected
libxml2_LIBS=`${XML2_CONFIG} --libs`
libxml2_CFLAGS=`${XML2_CONFIG} --cflags`
_save_flags="$CFLAGS"
_save_libs="$LIBS"
CFLAGS="$CFLAGS ${libxml2_CFLAGS}"
LIBS="$LIBS ${libxml2_LIBS}"
AC_MSG_CHECKING([whether libxml-2 work as expected])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
@%:@include <libxml/encoding.h>
@%:@include <libxml/xmlwriter.h>
],[
xmlDocPtr doc;
xmlTextWriterPtr xw = xmlNewTextWriterDoc(&doc, 0);
return (xw != NULL);
])],[
AC_MSG_RESULT(yes)
AC_SUBST([libxml2_LIBS])
AC_SUBST([libxml2_CFLAGS])
AC_DEFINE_UNQUOTED([USE_XML], 1, [Define to indicate to enable XML support])
with_xml=yes
],[
AC_MSG_RESULT(no)
AS_IF([test x"$with_xml" = x"yes"], [
AC_MSG_FAILURE([*** libxml2 not working as expected])
])
with_xml=no
])
CFLAGS="$_save_flags"
LIBS="$_save_libs"
])
])
])
])
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