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 =				\