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build: unbreak bootstrap on uclinux targets [PR112762]

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Currently, cross-compiling with --target=c6x-uclinux (and several other)
fails due to:

../../src/gcc/config/linux.h:221:45: error: 'linux_fortify_source_default_level' was not declared in this scope
 #define TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL linux_fortify_source_default_level

In the PR Andrew mentions that another fix would be in config.gcc,
but really, here I meant to use the target hook for glibc only, not
uclibc.  This trivial patch fixes the build problem.  It means that
-fhardened with uclibc will use -D_FORTIFY_SOURCE=2 and not =3.

	PR target/112762

gcc/ChangeLog:

	* config/linux.h: Redefine TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL for
	glibc only.
This commit is contained in:
Marek Polacek 2023-12-05 13:39:49 -05:00
parent fbacdeff97
commit e0eca4a55b
1 changed files with 2 additions and 2 deletions
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4
gcc/config/linux.h
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@ -215,7 +215,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
# undef TARGET_LIBM_FUNCTION_MAX_ERROR # undef TARGET_LIBM_FUNCTION_MAX_ERROR
# define TARGET_LIBM_FUNCTION_MAX_ERROR linux_libm_function_max_error # define TARGET_LIBM_FUNCTION_MAX_ERROR linux_libm_function_max_error
#endif
#undef TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL #undef TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL
#define TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL linux_fortify_source_default_level #define TARGET_FORTIFY_SOURCE_DEFAULT_LEVEL linux_fortify_source_default_level
#endif