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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-05-14 08:25:39 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-05-14 09:05:02 -0700 |
| commit | 8d286dd118a5bd16f7ae0fb9dfcdcfd020bea803 (patch) | |
| tree | ab2ce2b5fbec75efcf5ac324b2499c81cb95210c /libbacktrace | |
| parent | 4036327e4cab5c9a0235bb784b02d5a06a614065 (diff) | |
| download | gcc-8d286dd118a5bd16f7ae0fb9dfcdcfd020bea803.zip gcc-8d286dd118a5bd16f7ae0fb9dfcdcfd020bea803.tar.gz gcc-8d286dd118a5bd16f7ae0fb9dfcdcfd020bea803.tar.bz2 | |
x86: Default CET run-time support to auto
CET has been added since GCC 8. This patch defaults CET run-time support
to auto. It enables CET run-time support if asssembler supports CET
instructions and multi-byte NOPs are enabled via SSE2.
config/
* cet.m4 (GCC_CET_FLAGS): Change default to auto.
gcc/
* configure: Regenerated.
libatomic/
* configure: Regenerated.
libbacktrace/
* configure: Regenerated.
libcc1/
* configure: Regenerated.
libcpp/
* configure: Regenerated.
libdecnumber/
* configure: Regenerated.
libgcc/
* configure: Regenerated.
libgfortran/
* configure: Regenerated.
libgomp/
* configure: Regenerated.
libitm/
* configure: Regenerated.
libobjc/
* configure: Regenerated.
libquadmath/
* configure: Regenerated.
libsanitizer/
* configure: Regenerated.
libssp/
* configure: Regenerated.
libstdc++-v3/
* configure: Regenerated.
libvtv/
* configure: Regenerated.
zlib/
* configure: Regenerated.
Diffstat (limited to 'libbacktrace')
| -rw-r--r-- | libbacktrace/ChangeLog | 4 | ||||
| -rwxr-xr-x | libbacktrace/configure | 16 |
2 files changed, 15 insertions, 5 deletions
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog index 0fa4bbb..81fa56e 100644 --- a/libbacktrace/ChangeLog +++ b/libbacktrace/ChangeLog @@ -1,3 +1,7 @@ +2020-05-14 H.J. Lu <hongjiu.lu@intel.com> + + * configure: Regenerated. + 2020-05-13 Ian Lance Taylor <iant@golang.org> * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED. diff --git a/libbacktrace/configure b/libbacktrace/configure index b72380e..95d06c6 100755 --- a/libbacktrace/configure +++ b/libbacktrace/configure @@ -1436,7 +1436,7 @@ Optional Features: optimize for fast installation [default=yes] --disable-libtool-lock avoid locking (might break parallel builds) --disable-largefile omit support for large files - --enable-cet enable Intel CET in target libraries [default=no] + --enable-cet enable Intel CET in target libraries [default=auto] --enable-host-shared build host code as shared libraries --enable-cet enable Intel CET in host libraries [default=auto] @@ -12156,7 +12156,7 @@ if test "${enable_cet+set}" = set; then : esac else - enable_cet=no + enable_cet=auto fi @@ -12486,7 +12486,8 @@ rm -f core conftest.err conftest.$ac_objext \ fi if test x$may_have_cet = xyes; then - if test "$cross_compiling" = yes; then : + if test x$cross_compiling = xno; then + if test "$cross_compiling" = yes; then : { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "cannot run test program while cross compiling @@ -12531,9 +12532,14 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi - if test x$enable_cet = xno -a x$have_cet = xyes; then - as_fn_error $? "Intel CET must be enabled on Intel CET enabled host" "$LINENO" 5 + if test x$enable_cet = xno -a x$have_cet = xyes; then + as_fn_error $? "Intel CET must be enabled on Intel CET enabled host" "$LINENO" 5 + fi fi +else + # Enable CET in cross compiler if possible so that it will run on both + # CET and non-CET hosts. + have_cet=yes fi if test x$enable_cet = xyes; then CET_HOST_FLAGS="-fcf-protection" |