1From 54d8fe7ae40902d6d38e670f4024092f53c14e1f Mon Sep 17 00:00:00 2001 2From: Samuel Martin <s.martin49@gmail.com> 3Date: Sat, 8 Mar 2014 13:19:14 +0100 4Subject: [PATCH] Only blacklist ARM gcc 4.8.0 and 4.8.1 5 6Since many ARM toolchain providers include the bug fix for PR58854 in 7their latest releases based on gcc-4.8.2, then only blacklist gcc 4.8.0 8and 4.8.1. 9 10Signed-off-by: Samuel Martin <s.martin49@gmail.com> 11[Fabrice: update for 0.13.0] 12Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> 13--- 14 urcu/compiler.h | 9 ++++++++- 15 1 file changed, 8 insertions(+), 1 deletion(-) 16 17diff --git a/include/urcu/arch/arm.h b/include/urcu/arch/arm.h 18index 1e30903..56115f1 100644 19--- a/include/urcu/arch/arm.h 20+++ b/include/urcu/arch/arm.h 21@@ -118,10 +118,17 @@ 22 */ 23 24 /* 25+ * Official gcc releases from 4.8.0 to 4.8.2 have the following bug, 26+ * however, many arm toolchain providers have the included the fix for 27+ * their latest 4.8.2 releases. 28+ * So, we only blacklist gcc 4.8.0 and 4.8.1. 29+ * Unfortunately, this bug is not easy to test, so we rely on the 30+ * knowledge of the user on its compiler. 31+ * 32 * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 33 */ 34 #ifdef URCU_GCC_VERSION 35-# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802 36+# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40801 37 # error Your gcc version produces clobbered frame accesses 38 # endif 39 #endif 40-- 411.9.0 42 43