activate Wundef

minad · minad · commit a1e9b6fb4c3f · 2019-04-09T00:51:24.000+02:00
diff --git a/makefile_include.mk b/makefile_include.mk
@@ -54,6 +54,7 @@ ifndef NO_ADDTL_WARNINGS
 CFLAGS += -Wsystem-headers
 CFLAGS += -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align
 CFLAGS += -Wstrict-prototypes -Wpointer-arith
+CFLAGS += -Wundef
 #CFLAGS += -Wconversion -Wsign-conversion
 endif
 
