Enable extra global compiler warnings

Enable some extra compiler warnings in the global Makefile. These are supported by GCC and Clang. The global Makefile is almost solely used by developers and the CI, so the interaction with the preexisting -Werror flag is desirable. Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
2021-11-12 16:41:53 +01:00 · 2021-11-12 16:41:53 +01:00 · cee0fe36a7
parent fb68d036b8
commit cee0fe36a7
1 changed files with 4 additions and 0 deletions
--- a/4
+++ b/4
@ -9,8 +9,12 @@ ifeq ($(DEBUG),1)
 	export LDFLAGS = -g
 else
 	export CFLAGS ?= -O2 -Werror -Wall -Wextra \
+		-Wfloat-equal \
+		-Wformat=2 \
+		-Winit-self \
 		-Wmissing-format-attribute \
 		-Wmissing-noreturn \
+		-Wnull-dereference \
 		-Wpointer-arith \
 		-Wshadow \
 		-Wstrict-prototypes \