| /* Test -Wno-builtin-macro-redefined warnings. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-Wno-builtin-macro-redefined -U__DATE__ -D__TIME__=X" } */ |
| |
| /* Check date, time, and datestamp built-ins warnings may be suppressed. */ |
| |
| #if defined(__DATE__) |
| #error "__DATE__ is defined, but should not be (-U command line error)" |
| /* { dg-bogus "__DATE__ is defined" "" { target *-*-* } .-1 } */ |
| #endif |
| |
| #if __TIME__ != X |
| #error "__TIME__ is not defined as expected (-D command line error)" |
| /* { dg-bogus "__TIME__ is not defined" "" { target *-*-* } .-1 } */ |
| #endif |
| |
| #if !defined(__TIMESTAMP__) |
| #error "__TIMESTAMP__ is not defined (built-in macro expectation error)" |
| /* { dg-bogus "__TIMESTAMP__ is not defined" "" { target *-*-* } .-1 } */ |
| #endif |
| |
| |
| #undef __TIME__ /* Undefine while defined. */ |
| #undef __TIME__ /* Undefine while already undefined. */ |
| |
| #define __TIME__ "X" /* Define while undefined. */ |
| #define __TIME__ "X" /* Re-define while defined. */ /* { dg-line time_prev } */ |
| |
| #define __TIME__ "Y" /* { dg-warning "-:\"__TIME__\" redefined" } */ |
| /* { dg-message "-:previous definition" "" { target *-*-* } time_prev } */ |
| |
| #undef __TIME__ /* Undefine while defined. */ |
| |
| |
| #undef __DATE__ /* Undefine while already undefined. */ |
| |
| #define __DATE__ "X" /* Define while undefined. */ |
| #define __DATE__ "X" /* Re-define while defined. */ /* { dg-line date_prev } */ |
| |
| #define __DATE__ "Y" /* { dg-warning "-:\"__DATE__\" redefined" } */ |
| /* { dg-message "-:previous definition" "" { target *-*-* } date_prev } */ |
| |
| #undef __DATE__ /* Undefine while defined. */ |
| |
| |
| #define __TIMESTAMP__ "X" /* Define while already defined. */ |
| #define __TIMESTAMP__ "X" /* Re-define while defined. */ /* { dg-line timestamp_prev } */ |
| |
| #define __TIMESTAMP__ "Y" /* { dg-warning "-:\"__TIMESTAMP__\" redefined" } */ |
| /* { dg-message "-:previous definition" "" { target *-*-* } timestamp_prev } */ |
| |
| #undef __TIMESTAMP__ /* Undefine while defined. */ |
| |
| |
| /* Check other built-ins with warnings that may be suppressed. */ |
| |
| #if !defined(__FILE__) || !defined(__BASE_FILE__) |
| #error "Expected built-in is not defined (built-in macro expectation error)" |
| /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } .-1 } */ |
| #endif |
| |
| #define __FILE__ "X" /* Define while already defined. */ |
| #define __BASE_FILE__ "X" /* Define while already defined. */ |
| |
| |
| /* Check selected built-ins not affected by warning suppression. */ |
| |
| #if !defined(__LINE__) || !defined(__INCLUDE_LEVEL__) || !defined(__COUNTER__) |
| #error "Expected built-in is not defined (built-in macro expectation error)" |
| /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } .-1 } */ |
| #endif |
| |
| #define __LINE__ 0 /* { dg-warning "-:\"__LINE__\" redef" } */ |
| #define __INCLUDE_LEVEL__ 0 /* { dg-warning "-:\"__INCLUDE_LEVEL__\" redef" } */ |
| #define __COUNTER__ 0 /* { dg-warning "-:\"__COUNTER__\" redef" } */ |
| |
| |
| int unused; /* Silence `ISO C forbids an empty translation unit' warning. */ |
