arptables: add CPPFLAGS

Add the OpenWrt CPPFLAGS to the CFLAGS. arptables does not
support CPPFLAGS. This fixes fortify sources support.

Link: https://github.com/openwrt/openwrt/pull/22056
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/package/network/utils/arptables/Makefile b/package/network/utils/arptables/Makefile
index 7f32ed139549eee502caf6333e663b7427e2e86c..260824359a1993df0abd0535098176a2e4541976 100644 (file)
--- a/package/network/utils/arptables/Makefile
+++ b/package/network/utils/arptables/Makefile
@@ -31,7 +31,7 @@ define Package/arptables-legacy
 endef
 
 MAKE_FLAGS += \
-       COPT_FLAGS="$(TARGET_CFLAGS) -D__OPTIMIZE__=1" \
+       COPT_FLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS) -D__OPTIMIZE__=1" \
        KERNEL_DIR="$(LINUX_DIR)"
 
 define Package/arptables-legacy/install