Scott McNutt | ef4aeba | 2011-09-23 11:42:14 +0000 | [diff] [blame] | 1 | #ifndef __LINUX_COMPILER_H |
| 2 | #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." |
| 3 | #endif |
| 4 | |
Masahiro Yamada | c42aad5 | 2014-09-04 02:40:58 +0900 | [diff] [blame] | 5 | #if GCC_VERSION < 30200 |
| 6 | # error Sorry, your compiler is too old - please upgrade it. |
| 7 | #endif |
| 8 | |
| 9 | #if GCC_VERSION >= 30300 |
Scott McNutt | ef4aeba | 2011-09-23 11:42:14 +0000 | [diff] [blame] | 10 | # define __used __attribute__((__used__)) |
| 11 | #else |
| 12 | # define __used __attribute__((__unused__)) |
| 13 | #endif |
| 14 | |
Masahiro Yamada | c42aad5 | 2014-09-04 02:40:58 +0900 | [diff] [blame] | 15 | #if GCC_VERSION >= 30400 |
Scott McNutt | ef4aeba | 2011-09-23 11:42:14 +0000 | [diff] [blame] | 16 | #define __must_check __attribute__((warn_unused_result)) |
| 17 | #endif |
| 18 | |
Masahiro Yamada | c42aad5 | 2014-09-04 02:40:58 +0900 | [diff] [blame] | 19 | #ifdef CONFIG_GCOV_KERNEL |
| 20 | # if GCC_VERSION < 30400 |
| 21 | # error "GCOV profiling support for gcc versions below 3.4 not included" |
| 22 | # endif /* __GNUC_MINOR__ */ |
| 23 | #endif /* CONFIG_GCOV_KERNEL */ |