Re: [libvirt] [PATCH] Remove ssp buffer size setting

This option only makes sense with -fstack-protector. With -fstack-protector-all, even functions with buffers smaller than this are protected. https://bugzilla.redhat.com/show_bug.cgi?id=1105456 --- m4/virt-compile-warnings.m4 | 8 -------- 1 file changed, 8 deletions(-) diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4 index 574fbc4..ebc931d 100644 --- a/m4/virt-compile-warnings.m4 +++ b/m4/virt-compile-warnings.m4 @@ -171,14 +171,6 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ dnl be great overhead in adding -fstack-protector-all instead dnl wantwarn="$wantwarn -fstack-protector" wantwarn="$wantwarn -fstack-protector-all" - wantwarn="$wantwarn --param=ssp-buffer-size=4"

- dnl Even though it supports it, clang complains about - dnl use of --param=ssp-buffer-size=4 unless used with - dnl the -c arg. It doesn't like it when used with args - dnl that just link together .o files. Unfortunately - dnl we can't avoid that with automake, so we must turn - dnl off the following clang specific warning - wantwarn="$wantwarn -Wno-unused-command-line-argument"

;; *-*-freebsd*) dnl FreeBSD ships old gcc 4.2.1 which doesn't handle