libpthread-stubs: should set ALLOW_EMPTY

The package might be empty while pthread functions are being provided by
libc, so we need set ALLOW_EMPTY with it or it will break do_rootfs task.

(From OE-Core master rev: 53efd76f7955375986a036924513bb374a918f0b)

(From OE-Core rev: 0043f274d7670eb72b762c75a4f116673000b226)

Signed-off-by: Ming Liu <ming.liu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/recipes-graphics/xcb/libpthread-stubs_0.3.bb b/meta/recipes-graphics/xcb/libpthread-stubs_0.3.bb
index c121bb947c..22029f01f5 100644
--- a/meta/recipes-graphics/xcb/libpthread-stubs_0.3.bb
+++ b/meta/recipes-graphics/xcb/libpthread-stubs_0.3.bb
@@ -12,6 +12,8 @@ PARALLEL_MAKE = ""
 #DEPENDS = "xcb-proto xproto libxau libxslt-native"
 # DEPENDS += "xsltproc-native gperf-native"
 
+ALLOW_EMPTY_${PN} = "1"
+
 SRC_URI = "http://xcb.freedesktop.org/dist/libpthread-stubs-${PV}.tar.bz2"
 
 SRC_URI[md5sum] = "e8fa31b42e13f87e8f5a7a2b731db7ee"