gcc: Add support for atomic opertions (libitm) where available

GCC 4.7 and newer have supported various automic operation directives,
however these have not been previously enabled.

(From OE-Core rev: 8cb4ac49677b1eae4047fc1abbd728f093a24b72)

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-5.3.inc b/meta/recipes-devtools/gcc/gcc-5.3.inc
index 06672995cd..0bf9f5552d 100644
--- a/meta/recipes-devtools/gcc/gcc-5.3.inc
+++ b/meta/recipes-devtools/gcc/gcc-5.3.inc
@@ -103,6 +103,7 @@ LTO = "--enable-lto"
 EXTRA_OECONF_BASE = "\
     ${LTO} \
     --enable-libssp \
+    --enable-libitm \
     --disable-bootstrap \
     --disable-libmudflap \
     --with-system-zlib \
@@ -118,6 +119,7 @@ EXTRA_OECONF_BASE = "\
 EXTRA_OECONF_INITIAL = "\
     --disable-libmudflap \
     --disable-libgomp \
+    --disable-libitm \
     --disable-libquadmath \
     --with-system-zlib \
     --disable-lto \