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| author | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2022-01-12 18:46:28 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2022-03-11 20:36:24 +0530 |
| commit | d6a58bd81d07322ff5da8f419d8620ef037b6a36 (patch) | |
| tree | 74ab1e7815f8d0c676eabac2da157a6c7cee6e30 /misc | |
| parent | 10f7bdebe570e42d1f7a43de4f90eda8ccb4f0da (diff) | |
| download | glibc-d6a58bd81d07322ff5da8f419d8620ef037b6a36.tar.gz | |
Enable _FORTIFY_SOURCE=3 for gcc 12 and above
gcc 12 now has support for the __builtin_dynamic_object_size builtin.
Adapt the macro checks to enable _FORTIFY_SOURCE=3 on gcc 12 and above.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit 86bf0feb0e3ec8e37872f72499d6ae33406561d7)
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/sys/cdefs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 3bb9f38916..515fb681a0 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -142,7 +142,8 @@ #define __bos0(ptr) __builtin_object_size (ptr, 0) /* Use __builtin_dynamic_object_size at _FORTIFY_SOURCE=3 when available. */ -#if __USE_FORTIFY_LEVEL == 3 && __glibc_clang_prereq (9, 0) +#if __USE_FORTIFY_LEVEL == 3 && (__glibc_clang_prereq (9, 0) \ + || __GNUC_PREREQ (12, 0)) # define __glibc_objsize0(__o) __builtin_dynamic_object_size (__o, 0) # define __glibc_objsize(__o) __builtin_dynamic_object_size (__o, 1) #else |