--- Makefile
+++ Makefile
@@ -6,12 +6,12 @@
 # Your platform. See PLATS for possible values.
 PLAT= guess

-CC= gcc -std=gnu99
-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
+CC= cc -std=c99
+CFLAGS= -O2 $(SYSCFLAGS) $(MYCFLAGS)
 LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
 LIBS= -lm $(SYSLIBS) $(MYLIBS)
 
-AR= ar rcu
+AR= ar cr
 RANLIB= ranlib
 RM= rm -f
 UNAME= uname