dnldnl GNOME_XML_HOOK (script-if-xml-found, failflag)dnldnl If failflag is "failure", script aborts due to lack of XMLdnl dnl Check for availability of the libxml librarydnl the XML parser uses libz if available toodnlAC_DEFUN([GNOME_XML_HOOK],[	AC_PATH_PROG(GNOME_CONFIG,gnome-config,no)	if test "$GNOME_CONFIG" = no; then		if test x$2 = xfailure; then			AC_MSG_ERROR(Could not find gnome-config)		fi	fi	AC_CHECK_LIB(xml, xmlNewDoc, [		$1		AC_SUBST(GNOME_XML_LIB)		GNOME_XML_LIB=`gnome-config --libs xml`	], [		if test x$2 = xfailure; then 			AC_MSG_ERROR(Could not link sample xml program)		fi	], `gnome-config --libs xml`)])AC_DEFUN([GNOME_XML_CHECK], [	GNOME_XML_HOOK([],failure)])