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| author | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-25 18:22:19 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 13:14:23 -0400 |
| commit | 8cd2c29dd5f04d91dac6ea7f8b9df4ff1b4380ee (patch) | |
| tree | 93e289fae6ee92c29c45f74cdafc6a6a11fdc4b7 /include/linux/compiler-gcc4.h | |
| parent | 3a471cbc081b6bf2b58a48db13d734ecd3b0d437 (diff) | |
compiler-gcc4: conditionalize #error on __KERNEL__
Impact: Fix for exported headers
We only want to error out on specific gcc versions if we are actually
building the kernel, so conditionalize the #if...#error on __KERNEL__.
Based on a patchset by Arnd Bergmann <arnd@arndb.de>.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/compiler-gcc4.h')
| -rw-r--r-- | include/linux/compiler-gcc4.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 09992718f9e8..450fa597c94d 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h | |||
| @@ -3,8 +3,10 @@ | |||
| 3 | #endif | 3 | #endif |
| 4 | 4 | ||
| 5 | /* GCC 4.1.[01] miscompiles __weak */ | 5 | /* GCC 4.1.[01] miscompiles __weak */ |
| 6 | #if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 | 6 | #ifdef __KERNEL__ |
| 7 | # error Your version of gcc miscompiles the __weak directive | 7 | # if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 |
| 8 | # error Your version of gcc miscompiles the __weak directive | ||
| 9 | # endif | ||
| 8 | #endif | 10 | #endif |
| 9 | 11 | ||
| 10 | #define __used __attribute__((__used__)) | 12 | #define __used __attribute__((__used__)) |