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Re: stack-protector configure test and MIPS64
On Mon, 21 May 2012, Roland McGrath wrote:
> It's might be fine to accept random undefined symbols and just treat
> presence of foobar in that list as the only sanity check.
The following patch does that. It suffices to make the build work for
MIPS64; also tested with a full build and testsuite run for x86_64.
2012-05-21 Joseph Myers <joseph@codesourcery.com>
* configure.in (libc_cv_predef_stack_protector): Only consider
"foobar" and "__stack_chk_fail" lines in libc_undefs.
* configure: Regenerated.
diff --git a/configure.in b/configure.in
index a9ee733..96644c9 100644
--- a/configure.in
+++ b/configure.in
@@ -2072,6 +2072,7 @@ libc_undefs=`$NM -u conftest.o |
AC_MSG_ERROR([confusing output from $NM -u])
}
echo >&AS_MESSAGE_LOG_FD "libc_undefs='$libc_undefs'"
+libc_undefs=`echo "$libc_undefs" | egrep '^(foobar|__stack_chk_fail)$'`
case "$libc_undefs" in
foobar) libc_cv_predef_stack_protector=no ;;
'__stack_chk_fail
--
Joseph S. Myers
joseph@codesourcery.com