nfs-utils: unset CFLAGS for testlk build

testlk is built with host gcc at do_compile stage, which leads to unrecognized
some flags for special architecture. So unset CFLAGS for testlk to make sure
it passed.

(From OE-Core rev: 2461336b9432cf8379bda19d425ba00e542fbab7)

Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/nfs-utils/nfs-utils/nfs-utils-unset-CFLAGS-for-testlk-build.patch

@@ -0,0 +1,31 @@
+From c6819380f27eeb57210b3d2758aa2f8e6af54b56 Mon Sep 17 00:00:00 2001
+From: Chong Lu <Chong.Lu@windriver.com>
+Date: Tue, 3 Jun 2014 09:56:50 +0800
+Subject: [PATCH] nfs-utils: unset CFLAGS for testlk build
+
+testlk is built with host gcc at do_compile stage, which leads to unrecognized
+some flags for special architecture. So unset CFLAGS for testlk to make sure
+it passed.
+
+Upstream-Status: Pending
+
+Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
+---
+ tools/locktest/Makefile.am |    1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tools/locktest/Makefile.am b/tools/locktest/Makefile.am
+index 3156815..325b061 100644
+--- a/tools/locktest/Makefile.am
++++ b/tools/locktest/Makefile.am
+@@ -1,6 +1,7 @@
+ ## Process this file with automake to produce Makefile.in
+ 
+ CC=$(CC_FOR_BUILD)
++CFLAGS =
+ LIBTOOL = @LIBTOOL@ --tag=CC
+ 
+ noinst_PROGRAMS = testlk
+-- 
+1.7.9.5
+

meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb

@@ -28,7 +28,9 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/nfs-utils/${PV}/nfs-utils-${PV}.tar.x
            file://nfs-utils.conf \
            file://nfs-server.service \
            file://nfs-mountd.service \
-           file://nfs-statd.service "
+           file://nfs-statd.service \
+           file://nfs-utils-unset-CFLAGS-for-testlk-build.patch \
+"
 
 SRC_URI[md5sum] = "6e93a7997ca3a1eac56bf219adab72a8"
 SRC_URI[sha256sum] = "ab8384d0e487ed6a18c5380d5df28015f7dd98680bf08f3247c97d9f7d99e56f"