--- Makefile.orig	2015-04-17 05:17:58 UTC
+++ Makefile
@@ -1,11 +1,17 @@
-CC=			gcc
-CFLAGS=		-g -Wall -O2 -Wno-unused-function #-fno-inline-functions -fno-inline-functions-called-once
+CC?=		gcc
+# Allow env to set optimization and warning levels, then add required flags
+CFLAGS?=	-g -Wall -O2
+CFLAGS+=	-Wno-unused-function #-fno-inline-functions -fno-inline-functions-called-once
 CPPFLAGS=
 INCLUDES=	
 OBJS=		kthread.o utils.o bseq.o bbf.o htab.o count.o correct.o bfc.o
 PROG=		bfc hash2cnt
 LIBS=		-lm -lz -lpthread
 
+MKDIR?=		mkdir
+INSTALL?=	install
+STRIP?=		strip
+
 .SUFFIXES:.c .o
 
 .c.o:
@@ -18,6 +24,13 @@ bfc:$(OBJS)
 
 hash2cnt:hash2cnt.o
 		$(CC) $(CFLAGS) $< -o $@
+
+install:
+		$(MKDIR) -p $(DESTDIR)$(PREFIX)/bin
+		$(INSTALL) -c $(PROG) $(DESTDIR)$(PREFIX)/bin
+
+install-strip: install
+		$(STRIP) $(DESTDIR)$(PREFIX)/bin/*
 
 clean:
 		rm -fr gmon.out *.o ext/*.o a.out $(PROG) *~ *.a *.dSYM session*