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author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-08-19 22:07:06 +0000 |
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committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-08-19 22:07:06 +0000 |
commit | 6957b94eb5a2e5d5a908aa28b8b8dd8b709dc1f1 (patch) | |
tree | 3ca7ccb634b618bf1984f21463abb0f4d2de83ff /gcc/configure | |
parent | 6151b7b5b05debc85d8df044951b0893c43a4e0b (diff) | |
download | gcc-6957b94eb5a2e5d5a908aa28b8b8dd8b709dc1f1.tar.gz |
* common.opt (fstack-protector): Initialize to -1.
(fstack-protector-all): Likewise.
(fstack-protector-strong): Likewise.
(fstack-protector-explicit): Likewise.
* configure.ac: Add --enable-default-ssp.
* defaults.h (DEFAULT_FLAG_SSP): New. Default SSP to strong.
* opts.c (finish_options): Update opts->x_flag_stack_protect if it is
-1.
* doc/install.texi: Document --enable-default-ssp.
* config.in: Regenerated.
* configure: Likewise.
* lib/target-supports.exp
(check_effective_target_fstack_protector_enabled): New test.
* gcc.target/i386/ssp-default.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227017 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure')
-rwxr-xr-x | gcc/configure | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/gcc/configure b/gcc/configure index 8e89dd9c6eb..cf685f29ea6 100755 --- a/gcc/configure +++ b/gcc/configure @@ -678,6 +678,7 @@ MAINT zlibinc zlibdir HOST_LIBS +enable_default_ssp libgcc_visibility gcc_cv_readelf gcc_cv_objdump @@ -930,6 +931,7 @@ enable_fix_cortex_a53_843419 with_glibc_version enable_gnu_unique_object enable_linker_build_id +enable_default_ssp with_long_double_128 with_gc with_system_zlib @@ -1666,6 +1668,7 @@ Optional Features: extension on glibc systems --enable-linker-build-id compiler will always pass --build-id to linker + --enable-default-ssp enable Stack Smashing Protection as default --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer @@ -18341,7 +18344,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18344 "configure" +#line 18347 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18447,7 +18450,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18450 "configure" +#line 18453 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -28047,6 +28050,29 @@ $as_echo "#define TARGET_LIBC_PROVIDES_SSP 1" >>confdefs.h fi +# Check whether --enable-default-ssp was given. +# Check whether --enable-default-ssp was given. +if test "${enable_default_ssp+set}" = set; then : + enableval=$enable_default_ssp; +if test x$gcc_cv_libc_provides_ssp = xyes; then + case "$target" in + ia64*-*-*) enable_default_ssp=no ;; + *) enable_default_ssp=$enableval ;; + esac +else + enable_default_ssp=no +fi +else + enable_default_ssp=no +fi + +if test x$enable_default_ssp == xyes ; then + +$as_echo "#define ENABLE_DEFAULT_SSP 1" >>confdefs.h + +fi + + # Test for <sys/sdt.h> on the target. { $as_echo "$as_me:${as_lineno-$LINENO}: checking sys/sdt.h in the target C library" >&5 |