netpipe: fix compile on platforms with VFP

buildbot reported error on platforms with VFP (sunxi,imx6,omap):
 NPtcp uses VFP register arguments, /tmp/.o does not

CFLAGS were overwritten so append them instead

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 40790

diff --git a/net/netpipe/patches/001-Makefile_honor_CFLAGS_for_VFP.patch b/net/netpipe/patches/001-Makefile_honor_CFLAGS_for_VFP.patch
new file mode 100644 (file)
index 0000000..4136425
--- /dev/null
+++ b/net/netpipe/patches/001-Makefile_honor_CFLAGS_for_VFP.patch
@@ -0,0 +1,11 @@
+--- a/makefile
++++ b/makefile
+@@ -21,7 +21,7 @@
+ ########################################################################
+ 
+ CC         = cc
+-CFLAGS     = -O -g
++CFLAGS     += -O -g
+ SRC        = ./src
+ 
+ # For MPI, mpicc will set up the proper include and library paths