grail: Disable elision warnings for clang

Clang warns more, but lets disable them for now

../../grail-3.1.1/src/handle.cpp:65:5: error: moving a temporary object prevents copy elision
      [-Werror,-Wpessimizing-move]
    std::move(UniqueRecognizer(recognizer));
    ^
../../grail-3.1.1/src/handle.cpp:65:5: note: remove std::move call here
    std::move(UniqueRecognizer(recognizer));
    ^~~~~~~~~~

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta-oe/recipes-support/canonical-multitouch/grail_3.1.1.bb b/meta-oe/recipes-support/canonical-multitouch/grail_3.1.1.bb
index e654a4048e..83ca72415d 100644
--- a/meta-oe/recipes-support/canonical-multitouch/grail_3.1.1.bb
+++ b/meta-oe/recipes-support/canonical-multitouch/grail_3.1.1.bb
@@ -11,7 +11,7 @@ LIC_FILES_CHKSUM = " \
 inherit autotools pkgconfig
 
 DEPENDS = "frame"
-
+CXXFLAGS_append_toolchain-clang = " -Wno-pessimizing-move"
 SRC_URI = "https://launchpad.net/${BPN}/trunk/${PV}/+download/${BPN}-${PV}.tar.bz2"
 SRC_URI[md5sum] = "0df1b3ec6167920f310e2effe6e2ad44"
 SRC_URI[sha256sum] = "5eed1f650f042481daa3a2de5e7d43261fe343b2a1b1e240f3b7fc26572c9df3"