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-rw-r--r--Makefile.flags3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile.flags b/Makefile.flags
index c9b713b02..e73cf9d31 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -28,6 +28,9 @@ CFLAGS += $(call cc-option,-Wundef -Wstrict-prototypes,)
ifeq ($(CONFIG_WERROR),y)
CFLAGS += $(call cc-option,-Werror,)
+else
+# for development, warn a little bit about unused results..
+CPPFLAGS += -D_FORTIFY_SOURCE=2
endif
# gcc 3.x emits bogus "old style proto" warning on find.c:alloc_action()
CFLAGS += $(call cc-ifversion, -ge, 0400, -Wold-style-definition)