--- Makefile.orig	2014-02-13 14:22:14.000000000 +0100
+++ Makefile	2014-02-13 14:23:21.000000000 +0100
@@ -1,20 +1,20 @@
 all: compiler.o y.tab.o lex.yy.o 
-	gcc -Wall -O4 -g -o nbfc compiler.o lex.yy.o y.tab.o -lfl
+	${CC} ${CFLAGS} -o nbfc compiler.o lex.yy.o y.tab.o -lfl
 
 lex.yy.o: bf.l
-	flex bf.l
-	gcc -c lex.yy.c
+	${FLEX} bf.l
+	${CC} ${CFLAGS} -c lex.yy.c
 
 y.tab.o: bf.y
-	bison -yd bf.y
-	gcc -c y.tab.c
+	${YACC} -d bf.y
+	${CC} ${CFLAGS} -c y.tab.c
 
 compiler.o: compiler.c
-	gcc -c compiler.c
+	${CC} ${CFLAGS} -c compiler.c
 
 install: 
-	install -c nbfc /usr/bin/nbfc 
-	install -c nbfc.1 /usr/man/man1/nbfc.1
+	install -s -c nbfc ${STAGEDIR}${PREFIX}/bin/nbfc 
+	install -c nbfc.1 ${STAGEDIR}${PREFIX}/man/man1/nbfc.1
 
 clean:
 	rm -f *.o