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| author | Sandra Loosemore <sandra@codesourcery.com> | 2017-10-31 22:14:19 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2017-10-31 22:14:19 -0400 |
| commit | 78fd4c51f4d05692b35ec9be7162d2827f5e6ba5 (patch) | |
| tree | 8dc6795f8afa2acc7505e23e13aae2efa62bd51b /gcc/configure | |
| parent | 15e9b45a28d874bec85ef309d87cb1f1b222368c (diff) | |
| download | gcc-78fd4c51f4d05692b35ec9be7162d2827f5e6ba5.zip gcc-78fd4c51f4d05692b35ec9be7162d2827f5e6ba5.tar.gz gcc-78fd4c51f4d05692b35ec9be7162d2827f5e6ba5.tar.bz2 | |
configure.ac (--enable-libssp): New.
2017-10-31 Sandra Loosemore <sandra@codesourcery.com>
gcc/
* configure.ac (--enable-libssp): New.
(gcc_cv_libc_provides_ssp): Check for explicit setting before
trying to determine target-specific default. Adjust indentation.
* configure: Regenerated.
* doc/install.texi (Configuration): Expand --disable-libssp
documentation.
From-SVN: r254288
Diffstat (limited to 'gcc/configure')
| -rwxr-xr-x | gcc/configure | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/gcc/configure b/gcc/configure index c6297ac..c4313cc 100755 --- a/gcc/configure +++ b/gcc/configure @@ -942,6 +942,7 @@ enable_fix_cortex_a53_843419 with_glibc_version enable_gnu_unique_object enable_linker_build_id +enable_libssp enable_default_ssp with_long_double_128 with_gc @@ -1682,6 +1683,7 @@ Optional Features: extension on glibc systems --enable-linker-build-id compiler will always pass --build-id to linker + --enable-libssp enable linking against libssp --enable-default-ssp enable Stack Smashing Protection as default --enable-maintainer-mode enable make rules and dependencies not useful (and @@ -18440,7 +18442,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18443 "configure" +#line 18445 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18546,7 +18548,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18549 "configure" +#line 18551 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -29040,6 +29042,18 @@ $as_echo "#define HAVE_SOLARIS_CRTS 1" >>confdefs.h fi +# Check whether --enable-libssp was given. +if test "${enable_libssp+set}" = set; then : + enableval=$enable_libssp; case "${enableval}" in + yes|no) + ;; + *) + as_fn_error "unknown libssp setting $enableval" "$LINENO" 5 + ;; +esac +fi + + # Test for stack protector support in target C library. { $as_echo "$as_me:${as_lineno-$LINENO}: checking __stack_chk_fail in target C library" >&5 $as_echo_n "checking __stack_chk_fail in target C library... " >&6; } @@ -29047,6 +29061,11 @@ if test "${gcc_cv_libc_provides_ssp+set}" = set; then : $as_echo_n "(cached) " >&6 else gcc_cv_libc_provides_ssp=no + if test "x$enable_libssp" = "xno"; then + gcc_cv_libc_provides_ssp=yes + elif test "x$enable_libssp" = "xyes"; then + gcc_cv_libc_provides_ssp=no + else case "$target" in *-*-musl*) # All versions of musl provide stack protector @@ -29094,8 +29113,9 @@ else fi ;; - *) gcc_cv_libc_provides_ssp=no ;; + *) gcc_cv_libc_provides_ssp=no ;; esac + fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_libc_provides_ssp" >&5 $as_echo "$gcc_cv_libc_provides_ssp" >&6; } |