# Disable all built-in rules and variables. Speeds up make and simplifies debugging.
MAKEFLAGS+=-rR
-CFLAGS=$(CLANG) $(COPT) $(CDEBUG) $(CWARNS) -I. -I$(o) -I$(s)
-LDFLAGS=$(LOPT)
+CFLAGS=$(CLANG) $(COPT) $(CDEBUG) $(CWARNS) $(CEXTRA) -I. -I$(o) -I$(s)
+LDFLAGS=$(LOPT) $(LEXTRA)
DIRS=
PROGS=