buildroot

From 54d8fe7ae40902d6d38e670f4024092f53c14e1f Mon Sep 17 00:00:00 2001

From: Samuel Martin <s.martin49@gmail.com>

Date: Sat, 8 Mar 2014 13:19:14 +0100

Subject: [PATCH] Only blacklist ARM gcc 4.8.0 and 4.8.1

​

Since many ARM toolchain providers include the bug fix for PR58854 in

their latest releases based on gcc-4.8.2, then only blacklist gcc 4.8.0

and 4.8.1.

​

Signed-off-by: Samuel Martin <s.martin49@gmail.com>

---

 urcu/compiler.h | 9 ++++++++-

 1 file changed, 8 insertions(+), 1 deletion(-)

​

diff --git a/urcu/compiler.h b/urcu/compiler.h

index 1e30903..56115f1 100644

--- a/urcu/compiler.h

+++ b/urcu/compiler.h

@@ -118,10 +118,17 @@

                + __GNUC_PATCHLEVEL__)

 /*

+ * Official gcc releases from 4.8.0 to 4.8.2 have the following bug,

+ * however, many arm toolchain providers have the included the fix for

+ * their latest 4.8.2 releases.

+ * So, we only blacklist gcc 4.8.0 and 4.8.1.

+ * Unfortunately, this bug is not easy to test, so we rely on the

+ * knowledge of the user on its compiler.

+ *

  * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854

  */

 # ifdef __ARMEL__

-#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802

+#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40801

 #   error Your gcc version produces clobbered frame accesses

 #  endif

 # endif

-- 

1.9.0

​