backports: add -Wno-pointer-sign on <= 4.3

This gives annoyingly many warnings on such kernels.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/backport/Makefile.kernel b/backport/Makefile.kernel
index 9f5dde0892a838186bc1a7312961ef933ffeb9b7..6c84c2d7752fc4d314145ca9ba65f68eefab5804 100644 (file)
--- a/backport/Makefile.kernel
+++ b/backport/Makefile.kernel
@@ -31,6 +31,9 @@ NOSTDINC_FLAGS := \
 endif
 
 subdir-ccflags-y += $(call cc-option, -fno-pie) $(call cc-option, -no-pie)
+ifeq ($(CPTCFG_KERNEL_4_3),y)
+subdir-ccflags-y += -Wno-pointer-sign
+endif
 
 obj-y += compat/