projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| c047ce93 SB |
1 | /* Test -Wno-builtin-macro-redefined warnings. */ |
| 2 | ||
| 3 | /* { dg-do compile } */ | |
| 4 | /* { dg-options "-Wno-builtin-macro-redefined -U__DATE__ -D__TIME__=X" } */ | |
| 5 | ||
| 6 | /* Check date, time, and datestamp built-ins warnings may be suppressed. */ | |
| 7 | ||
| 8 | #if defined(__DATE__) | |
| 9 | #error "__DATE__ is defined, but should not be (-U command line error)" | |
| 10 | /* { dg-bogus "__DATE__ is defined" "" { target *-*-* } 9 } */ | |
| 11 | #endif | |
| 12 | ||
| 13 | #if __TIME__ != X | |
| 14 | #error "__TIME__ is not defined as expected (-D command line error)" | |
| 15 | /* { dg-bogus "__TIME__ is not defined" "" { target *-*-* } 14 } */ | |
| 16 | #endif | |
| 17 | ||
| 18 | #if !defined(__TIMESTAMP__) | |
| 19 | #error "__TIMESTAMP__ is not defined (built-in macro expectation error)" | |
| 20 | /* { dg-bogus "__TIMESTAMP__ is not defined" "" { target *-*-* } 19 } */ | |
| 21 | #endif | |
| 22 | ||
| 23 | ||
| 24 | #undef __TIME__ /* Undefine while defined. */ | |
| 25 | #undef __TIME__ /* Undefine while already undefined. */ | |
| 26 | ||
| 27 | #define __TIME__ "X" /* Define while undefined. */ | |
| 28 | #define __TIME__ "X" /* Re-define while defined. */ | |
| 29 | ||
| 30 | #define __TIME__ "Y" /* { dg-warning "\"__TIME__\" redefined" } */ | |
| 148e4216 | 31 | /* { dg-message "previous definition" "" { target *-*-* } 28 } */ |
| c047ce93 SB |
32 | |
| 33 | #undef __TIME__ /* Undefine while defined. */ | |
| 34 | ||
| 35 | ||
| 36 | #undef __DATE__ /* Undefine while already undefined. */ | |
| 37 | ||
| 38 | #define __DATE__ "X" /* Define while undefined. */ | |
| 39 | #define __DATE__ "X" /* Re-define while defined. */ | |
| 40 | ||
| 41 | #define __DATE__ "Y" /* { dg-warning "\"__DATE__\" redefined" } */ | |
| 148e4216 | 42 | /* { dg-message "previous definition" "" { target *-*-* } 39 } */ |
| c047ce93 SB |
43 | |
| 44 | #undef __DATE__ /* Undefine while defined. */ | |
| 45 | ||
| 46 | ||
| 47 | #define __TIMESTAMP__ "X" /* Define while already defined. */ | |
| 48 | #define __TIMESTAMP__ "X" /* Re-define while defined. */ | |
| 49 | ||
| 50 | #define __TIMESTAMP__ "Y" /* { dg-warning "\"__TIMESTAMP__\" redefined" } */ | |
| 148e4216 | 51 | /* { dg-message "previous definition" "" { target *-*-* } 48 } */ |
| c047ce93 SB |
52 | |
| 53 | #undef __TIMESTAMP__ /* Undefine while defined. */ | |
| 54 | ||
| 55 | ||
| 56 | /* Check other built-ins with warnings that may be suppressed. */ | |
| 57 | ||
| 58 | #if !defined(__FILE__) || !defined(__BASE_FILE__) | |
| 59 | #error "Expected built-in is not defined (built-in macro expectation error)" | |
| 60 | /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 59 } */ | |
| 61 | #endif | |
| 62 | ||
| 63 | #define __FILE__ "X" /* Define while already defined. */ | |
| 64 | #define __BASE_FILE__ "X" /* Define while already defined. */ | |
| 65 | ||
| 66 | ||
| 67 | /* Check selected built-ins not affected by warning suppression. */ | |
| 68 | ||
| 69 | #if !defined(__LINE__) || !defined(__INCLUDE_LEVEL__) || !defined(__COUNTER__) | |
| 70 | #error "Expected built-in is not defined (built-in macro expectation error)" | |
| 71 | /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } 70 } */ | |
| 72 | #endif | |
| 73 | ||
| 74 | #define __LINE__ 0 /* { dg-warning "\"__LINE__\" redef" } */ | |
| 75 | #define __INCLUDE_LEVEL__ 0 /* { dg-warning "\"__INCLUDE_LEVEL__\" redef" } */ | |
| 76 | #define __COUNTER__ 0 /* { dg-warning "\"__COUNTER__\" redef" } */ | |
| 77 | ||
| 78 | ||
| 79 | int unused; /* Silence `ISO C forbids an empty translation unit' warning. */ |