kernel-build: fix STRIP_KERNEL_EXPORTS for recent kernels

[openwrt.git] / include / package.mk

diff --git a/include/package.mk b/include/package.mk
index 7d75f08..1cdab6b 100644 (file)
--- a/include/package.mk
+++ b/include/package.mk
@@ -34,8 +34,10 @@ ifdef CONFIG_USE_MIPS16
     TARGET_CFLAGS += -mips16 -minterlink-mips16
   endif
 endif
-ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
-  TARGET_CFLAGS += -Wformat -Werror=format-security
+ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
+  ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
+    TARGET_CFLAGS += -Wformat -Werror=format-security
+  endif
 endif
 
 include $(INCLUDE_DIR)/prereq.mk