weston: Fix parallel make race

The current approach used by the Makefile ends up installing
weston.desktop twice and can give build failures when using
parallel make flags. Change to just have one DATA reference.

(From OE-Core rev: 5191ab6962712908e1aa1dca0d4253fb278366c2)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/wayland/weston/parallelmake.patch

@@ -0,0 +1,22 @@
+The current approach used by the Makefile ends up installing 
+weston.desktop twice and can give build failures when using 
+parallel make flags. Change to just have one DATA reference.
+
+RP
+2015/8/3
+Upstream-Status: Pending
+
+Index: weston-1.8.0/Makefile.am
+===================================================================
+--- weston-1.8.0.orig/Makefile.am
++++ weston-1.8.0/Makefile.am
+@@ -179,8 +179,7 @@ pkgconfigdir = $(libdir)/pkgconfig
+ pkgconfig_DATA = src/weston.pc
+ 
+ wayland_sessiondir = $(datadir)/wayland-sessions
+-wayland_session_DATA = src/weston.desktop
+-dist_wayland_session_DATA = $(wayland_session_DATA)
++dist_wayland_session_DATA = src/weston.desktop
+ 
+ westonincludedir = $(includedir)/weston
+ westoninclude_HEADERS =				\

meta/recipes-graphics/wayland/weston_1.8.0.bb

@@ -11,6 +11,7 @@ SRC_URI = "http://wayland.freedesktop.org/releases/${BPN}-${PV}.tar.xz \
            file://make-lcms-explicitly-configurable.patch \
            file://make-libwebp-explicitly-configurable.patch \
            file://0001-make-error-portable.patch \
+           file://parallelmake.patch \
 "
 SRC_URI[md5sum] = "24cb8a7ed0535b4fc3642643988dab36"
 SRC_URI[sha256sum] = "8963e69f328e815cec42c58046c4af721476c7541bb7d9edc71740fada5ad312"