Make calls to dot run in background.

2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>

	* graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
	  background.

From-SVN: r156547

gcc/ChangeLog.graphite

+2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
+
+	* graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
+	  background.
+
+2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
+
+	* common.opt: Add -fgraphite-cloog-opts.
+	* graphite-clast-to-gimple.c (set_cloog_options): Same.
+	* opts.c (decode_options): Same.
+
 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* testsuite/gcc.dg/graphite/id-17.c: New.

gcc/graphite-scop-detection.c

@@ -1497,7 +1497,7 @@ dot_all_scops (VEC (scop_p, heap) *scops)
   dot_all_scops_1 (stream, scops);
   fclose (stream);
 
-  x = system ("dotty /tmp/allscops.dot");
+  x = system ("dotty /tmp/allscops.dot &");
 #else
   dot_all_scops_1 (stderr, scops);
 #endif
@@ -1523,7 +1523,7 @@ dot_scop (scop_p scop)
 
     dot_all_scops_1 (stream, scops);
     fclose (stream);
-    x = system ("dotty /tmp/allscops.dot");
+    x = system ("dotty /tmp/allscops.dot &");
   }
 #else
   dot_all_scops_1 (stderr, scops);