xorg-server.m4

dnl Copyright 2005 Red Hat, Inc
dnl 
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dnl documentation for any purpose is hereby granted without fee, provided that
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# XORG_DRIVER_CHECK_EXT(MACRO, PROTO)
# --------------------------
# Checks for the MACRO define in xorg-server.h (from the sdk).  If it
# is defined, then add the given PROTO to $REQUIRED_MODULES.

AC_DEFUN([XORG_DRIVER_CHECK_EXT],[
	AC_REQUIRE([PKG_PROG_PKG_CONFIG])
	SAVE_CFLAGS="$CFLAGS"
	CFLAGS="$CFLAGS `$PKG_CONFIG --cflags xorg-server`"
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "xorg-server.h"
#if !defined $1
#error $1 not defined
#endif
		]])],
		[_EXT_CHECK=yes],
		[_EXT_CHECK=no])
	CFLAGS="$SAVE_CFLAGS"
	AC_MSG_CHECKING([if $1 is defined])
	AC_MSG_RESULT([$_EXT_CHECK])
	if test "$_EXT_CHECK" != no; then
		REQUIRED_MODULES="$REQUIRED_MODULES $2"
	fi
])