/* 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