re PR bootstrap/53898 (bootstrap failure: graphite-optimize-isl.c: ISO C forbids…

re PR bootstrap/53898 (bootstrap failure: graphite-optimize-isl.c: ISO C forbids an empty translation unit)

2012-07-09  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/53898
	* graphite-optimize-isl.c: Make sure CU is not empty.

From-SVN: r189374

gcc/ChangeLog

+2012-07-09  Richard Guenther  <rguenther@suse.de>
+
+	PR bootstrap/53898
+	* graphite-optimize-isl.c: Make sure CU is not empty.
+
 2012-07-09  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* gensupport.c (init_rtx_reader_args_cb): Start counting code

gcc/graphite-optimize-isl.c

@@ -28,6 +28,7 @@ along with GCC; see the file COPYING3.  If not see
 #include <isl/band.h>
 #include <isl/aff.h>
 #include <isl/options.h>
+#endif
 
 #include "system.h"
 #include "coretypes.h"
@@ -39,6 +40,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-scalar-evolution.h"
 #include "sese.h"
 
+#ifdef HAVE_cloog
 #include "graphite-poly.h"
 
 static isl_union_set *