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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-05-15 09:06:50 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-05-15 09:07:17 -0700 |
| commit | 4c1a5d8b71e29b71e0bc1004480c12c5fc427cb7 (patch) | |
| tree | 00192b598877094aa647955fecc5997ced114e06 /libatomic/configure | |
| parent | 0ec52417fd9b3bef5227cdc9a18ff4f0247b0ea4 (diff) | |
| download | gcc-4c1a5d8b71e29b71e0bc1004480c12c5fc427cb7.tar.gz | |
x86: Also check if -fcf-protection works
When defaulting CET run-time support to auto, check if -fcf-protection
works. Even if the stage1 GCC doesn't support -fcf-protection, since
the final GCC does, CET run-time support will be enabled by default if
binutils support CET.
config/
PR bootstrap/95147
* cet.m4 (GCC_CET_FLAGS): Also check if -fcf-protection works
when defaulting to auto.
libatomic/
PR bootstrap/95147
* configure: Regenerated.
libbacktrace/
PR bootstrap/95147
* configure: Regenerated.
libgcc/
PR bootstrap/95147
* configure: Regenerated.
libgfortran/
PR bootstrap/95147
* configure: Regenerated.
libgomp/
PR bootstrap/95147
* configure: Regenerated.
libitm/
PR bootstrap/95147
* configure: Regenerated.
libobjc/
PR bootstrap/95147
* configure: Regenerated.
libphobos/
PR bootstrap/95147
* configure: Regenerated.
libquadmath/
PR bootstrap/95147
* configure: Regenerated.
libsanitizer/
PR bootstrap/95147
* configure: Regenerated.
libssp/
PR bootstrap/95147
* configure: Regenerated.
libstdc++-v3/
PR bootstrap/95147
* configure: Regenerated.
libvtv/
PR bootstrap/95147
* configure: Regenerated.
zlib/
PR bootstrap/95147
* configure: Regenerated.
Diffstat (limited to 'libatomic/configure')
| -rwxr-xr-x | libatomic/configure | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libatomic/configure b/libatomic/configure index c4b4714abc0..478670a6fe7 100755 --- a/libatomic/configure +++ b/libatomic/configure @@ -15595,6 +15595,8 @@ case "$host" in auto) # Check if target supports multi-byte NOPs # and if assembler supports CET insn. + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fcf-protection" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -15618,6 +15620,7 @@ else enable_cet=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$save_CFLAGS" ;; yes) # Check if assembler supports CET. |