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compiler-gcc4: conditionalize #error on __KERNEL__

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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>
This commit is contained in:
H. Peter Anvin 2009-02-25 15:22:19 -08:00 • committed by Ingo Molnar
parent 3a471cbc08
commit 8cd2c29dd5
1 changed files with 4 additions and 2 deletions
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4
include/linux/compiler-gcc4.h
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@ -3,8 +3,10 @@
#endif #endif
/* GCC 4.1.[01] miscompiles __weak */ /* GCC 4.1.[01] miscompiles __weak */
#if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 #ifdef __KERNEL__
# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
# error Your version of gcc miscompiles the __weak directive # error Your version of gcc miscompiles the __weak directive
# endif
#endif #endif
#define __used __attribute__((__used__)) #define __used __attribute__((__used__))