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compiler-gcc{3,4}.h: Use GCC_VERSION macro

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Using GCC_VERSION reduces complexity, is easier to read and is GCC's
recommended mechanism for doing version checks.  (Just don't ask me why
they didn't define it in the first place.) This also makes it easy to
merge compiler-gcc{,3,4}.h should somebody want to.

Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Joe Perches <joe@perches.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Daniel Santos
2013-02-21 16:41:41 -08:00
committed by Linus Torvalds
parent 3f3f8d2f48
commit 733ed6e437
2 changed files with 14 additions and 14 deletions
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8
include/linux/compiler-gcc3.h
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@@ -2,22 +2,22 @@
#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
#endif
#if __GNUC_MINOR__ < 2
#if GCC_VERSION < 30200
# error Sorry, your compiler is too old - please upgrade it.
#endif
#if __GNUC_MINOR__ >= 3
#if GCC_VERSION >= 30300
# define __used __attribute__((__used__))
#else
# define __used __attribute__((__unused__))
#endif
#if __GNUC_MINOR__ >= 4
#if GCC_VERSION >= 30400
#define __must_check __attribute__((warn_unused_result))
#endif
#ifdef CONFIG_GCOV_KERNEL
# if __GNUC_MINOR__ < 4
# if GCC_VERSION < 30400
# error "GCOV profiling support for gcc versions below 3.4 not included"
# endif /* __GNUC_MINOR__ */
#endif /* CONFIG_GCOV_KERNEL */