--- ccache.c~	2004-09-13 13:38:30.000000000 +0300
+++ ccache.c	2007-03-15 12:31:41.000000000 +0200
@@ -640,6 +640,9 @@
 
 		/* these are too hard */
 		if (strcmp(argv[i], "-fbranch-probabilities")==0 ||
+		    strcmp(argv[i], "--coverage") == 0 ||
+		    strcmp(argv[i], "-fprofile-arcs") == 0 ||
+		    strcmp(argv[i], "-ftest-coverage") == 0 ||
 		    strcmp(argv[i], "-M") == 0 ||
 		    strcmp(argv[i], "-MM") == 0 ||
 		    strcmp(argv[i], "-x") == 0) {