Kbuild: enable -Wunused-macros warning for "make W=2"

We have lots of dead defines and macros in drivers, lets offer users a way to detect and eventually remove them. Signed-off-by: Johannes Thumshirn <[email protected]> Signed-off-by: Masahiro Yamada <[email protected]>
kyagi · Aug 31, 2017 · de8cf95 · de8cf95
1 parent 8e9b466
commit de8cf95
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
@@ -37,6 +37,7 @@ warning-2 += $(call cc-option, -Wlogical-op)
 warning-2 += $(call cc-option, -Wmissing-field-initializers)
 warning-2 += $(call cc-option, -Wsign-compare)
 warning-2 += $(call cc-option, -Wmaybe-uninitialized)
+warning-2 += $(call cc-option, -Wunused-macros)
 
 warning-3 := -Wbad-function-cast
 warning-3 += -Wcast-qual