(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
cpp/
Wunused.c
       1  /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.  */
       2  
       3  /* { dg-do preprocess } */
       4  /* Duplicate command line options should not warn.  */
       5  /* { dg-options "-Wunused-macros -Dfoo -Dfoo" } */
       6  
       7  /* Test everything related to -Wunused-macros.
       8  
       9     Source: Neil Booth, 23 Jul 2002.  */
      10  
      11  #include "Wunused.h"
      12  
      13  #define used1			/* { dg-bogus "used" } */
      14  #define used2			/* { dg-bogus "used" } */
      15  #define used3			/* { dg-bogus "used" } */
      16  #define used4 used4		/* { dg-bogus "used" } */
      17  
      18  #define unused5			/* { dg-warning "-:used" } */
      19  #define unused6			/* { dg-warning "-:used" } */
      20  #define unused7()		/* { dg-warning "-:used" } */
      21  
      22  #if defined used1
      23  #endif
      24  #ifdef used2
      25  #endif
      26  #ifndef used3
      27  #endif
      28  used4
      29  
      30  unused7				/* This does not count as a use.  */
      31  
      32  #if 0
      33  unused5				/* This does not count as a use.  */
      34  #endif
      35  #undef unused5
      36  
      37  #define unused6
      38  unused6