diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rwxr-xr-x | configure | 8 | ||||
| -rw-r--r-- | configure.ac | 8 |
3 files changed, 19 insertions, 6 deletions
@@ -1,3 +1,12 @@ +2016-11-15 Denis Kaganovich <mahatma@eu.by> + Magnus Granberg <zorry@gentoo.org> + Mike Frysinger <vapier@gentoo.org> + + [BZ #20662] + * configure.ac (libc_cv_predef_stack_protector): Also check for + __stack_chk_fail_local symbols. + * configure: Regenerated. + 2016-11-03 Joseph Myers <joseph@codesourcery.com> * conform/Makefile ($(linknamespace-header-tests)): Also depend on @@ -6289,12 +6289,14 @@ echo >&5 "libc_undefs='$libc_undefs'" # symbols (resolved by the linker), so filter out unknown symbols. # This will fail to produce the correct result if the compiler # defaults to -fstack-protector but this produces an undefined symbol -# other than __stack_chk_fail. However, compilers like that have not -# been encountered in practice. -libc_undefs=`echo "$libc_undefs" | egrep '^(foobar|__stack_chk_fail)$'` +# other than __stack_chk_fail or __stack_chk_fail_local. However, +# compilers like that have not been encountered in practice. +libc_undefs=`echo "$libc_undefs" | \ + egrep '^(foobar|__stack_chk_fail|__stack_chk_fail_local)$'` case "$libc_undefs" in foobar) libc_cv_predef_stack_protector=no ;; '__stack_chk_fail +foobar'|'__stack_chk_fail_local foobar') libc_cv_predef_stack_protector=yes ;; *) as_fn_error $? "unexpected symbols in test: $libc_undefs" "$LINENO" 5 ;; esac diff --git a/configure.ac b/configure.ac index 33bcd62..8277d9f 100644 --- a/configure.ac +++ b/configure.ac @@ -1626,12 +1626,14 @@ echo >&AS_MESSAGE_LOG_FD "libc_undefs='$libc_undefs'" # symbols (resolved by the linker), so filter out unknown symbols. # This will fail to produce the correct result if the compiler # defaults to -fstack-protector but this produces an undefined symbol -# other than __stack_chk_fail. However, compilers like that have not -# been encountered in practice. -libc_undefs=`echo "$libc_undefs" | egrep '^(foobar|__stack_chk_fail)$'` +# other than __stack_chk_fail or __stack_chk_fail_local. However, +# compilers like that have not been encountered in practice. +libc_undefs=`echo "$libc_undefs" | \ + egrep '^(foobar|__stack_chk_fail|__stack_chk_fail_local)$'` case "$libc_undefs" in foobar) libc_cv_predef_stack_protector=no ;; '__stack_chk_fail +foobar'|'__stack_chk_fail_local foobar') libc_cv_predef_stack_protector=yes ;; *) AC_MSG_ERROR([unexpected symbols in test: $libc_undefs]) ;; esac], |