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compiler-gcc.h: __nostackprotector needs gcc-4.4 and up 

Gcc versions before 4.4 do not recognize the __optimize__ compiler
attribute:

    warning: ‘__optimize__’ attribute directive ignored

Fixes: 7375ae3a0b ("compiler-gcc.h: Introduce __nostackprotector function attribute")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Geert Uytterhoeven 2018-02-01 11:21:59 +01:00 committed by Herbert Xu
parent df5d45aa08
commit d9afaaa4ff
1 changed files with 1 additions and 2 deletions
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3
include/linux/compiler-gcc.h
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@ -167,8 +167,6 @@
#if GCC_VERSION >= 40100
# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
#define __nostackprotector __attribute__((__optimize__("no-stack-protector")))
#endif
#if GCC_VERSION >= 40300
@ -198,6 +196,7 @@
#if GCC_VERSION >= 40400
#define __optimize(level) __attribute__((__optimize__(level)))
#define __nostackprotector __optimize("no-stack-protector")
#endif /* GCC_VERSION >= 40400 */
#if GCC_VERSION >= 40500