From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Sun, 10 Feb 2019 23:37:08 +0000 (+0000)
Subject: toolchain-glibc.eclass: disable stack protector on m68k
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=2f4654486392f02a8cead3f7f4b5fc475f084df0;p=gentoo.git

toolchain-glibc.eclass: disable stack protector on m68k

setjmp() clobbers 'a5' register by stack protector prologue.

Bug: https://sourceware.org/PR24202
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
---

diff --git a/eclass/toolchain-glibc.eclass b/eclass/toolchain-glibc.eclass
index 6698f2045e22..81d494c6fd53 100644
--- a/eclass/toolchain-glibc.eclass
+++ b/eclass/toolchain-glibc.eclass
@@ -842,6 +842,11 @@ glibc_do_configure() {
 
 	if version_is_at_least 2.25 ; then
 		case ${CTARGET} in
+			m68k*)
+				# setjmp() is not compatible with stack protection:
+				# https://sourceware.org/PR24202
+				myconf+=( --enable-stack-protector=no )
+				;;
 			mips*)
 				# dlopen() detects stack smash on mips n32 ABI.
 				# Cause is unknown: https://bugs.gentoo.org/640130