--- a/Makefile
+++ b/Makefile
@@ -71,15 +71,12 @@
 MW=
 #MW=-Wtraditional -Wcast-qual -Wcast-align -Wconversion -pedantic -Wlong-long -Wimplicit -Wuninitialized -W -Wshadow -Wsign-compare -Wstrict-prototypes -Wmissing-declarations
 
-CFLAGS1 = -Wall -Wstrict-prototypes -s -O2 -fomit-frame-pointer ${LARGEFILEFLAGS} ${MW}
-
-CC=gcc
-
-CFLAGS = ${CFLAGS1} $1 $2 $3 $4 $5 $6 $7 $8 $9 $a $b $c $d $e ${e2} $f $g $I
-LDFLAGS =
+CC ?= gcc
+CFLAGS += -Wall -Wstrict-prototypes
+CPPFLAGS += ${LARGEFILEFLAGS} ${2} ${3} ${6} ${8} ${c} ${d} ${e2} ${f} ${g}
 
 afio : afio.o compfile.o exten.o match.o $M
-	${CC} ${LDFLAGS} afio.o compfile.o exten.o match.o $M -o afio
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@
 
 clean:
 	rm -f *.o afio