| --- cpp.c | |
| +++ cpp.c | |
| @@ -2464,7 +2464,7 @@ | |
| warning(-1, "unknown option '%s'", argv[i]); | |
| } else { | |
| if (filename != 0) { | |
| - error(-1, "spurious filename '%s'", argv[i]); | |
| + error(-1, "spurious duplicate filename '%s' - vs. '%s' ", argv[i], filename); | |
| return 2; | |
| } | |
| filename = argv[i]; |