| /* Copyright (C) 2002, 2003 Free Software Foundation, Inc. */ |
| |
| /* { dg-do preprocess } */ |
| /* Duplicate command line options should not warn. */ |
| /* { dg-options "-Wunused-macros -Dfoo -Dfoo" } */ |
| |
| /* Test everything related to -Wunused-macros. |
| |
| Source: Neil Booth, 23 Jul 2002. */ |
| |
| #include "Wunused.h" |
| |
| #define used1 /* { dg-bogus "used" } */ |
| #define used2 /* { dg-bogus "used" } */ |
| #define used3 /* { dg-bogus "used" } */ |
| #define used4 used4 /* { dg-bogus "used" } */ |
| |
| #define unused5 /* { dg-warning "-:used" } */ |
| #define unused6 /* { dg-warning "-:used" } */ |
| #define unused7() /* { dg-warning "-:used" } */ |
| |
| #if defined used1 |
| #endif |
| #ifdef used2 |
| #endif |
| #ifndef used3 |
| #endif |
| used4 |
| |
| unused7 /* This does not count as a use. */ |
| |
| #if 0 |
| unused5 /* This does not count as a use. */ |
| #endif |
| #undef unused5 |
| |
| #define unused6 |
| unused6 |
