$NetBSD$

# Respect env, eliminate gmake dep

--- Makefile.orig	2015-07-27 18:28:54.000000000 +0000
+++ Makefile
@@ -1,9 +1,12 @@
-CC=gcc
-CFLAGS= -W -O2 -Wall -Wno-self-assign -Wno-unused-function
+CC?=gcc
+CFLAGS?= -W -O2 -Wall -Wno-self-assign -Wno-unused-function
 DFLAGS= -D_FILE_OFFSET_BITS=64
 GLIBS=-lm
 GENERIC_SRC= string.h bitvec.h file_reader.h hashset.h sort.h list.h dna.h heap.h stdaln.h vector.h
 
+RAINBOW_OBJS=	main.o  divide.o file_reader.o asm_R2.o mergectg.o cluster.o
+RBASM_OBJS=	asm_R2.o rbasm_main.o file_reader.o
+
 .SUFFIXES:.c .o
 
 .c.o:
@@ -12,14 +15,14 @@ GENERIC_SRC= string.h bitvec.h file_read
 #all: rainbow rbasm rbmergetag ezmsim 
 all: rainbow ezmsim rbasm
 
-rainbow: main.o  divide.o file_reader.o asm_R2.o mergectg.o cluster.o
-	$(CC) $(CFLAGS) -o $@ $^ $(GLIBS) 
+rainbow: $(RAINBOW_OBJS)
+	$(CC) $(CFLAGS) -o $@ $(RAINBOW_OBJS) $(GLIBS) 
 
-rbasm: asm_R2.o rbasm_main.o file_reader.o
-	$(CC) $(CFLAGS) -o $@ $^ $(GLIBS)
+rbasm: $(RBASM_OBJS)
+	$(CC) $(CFLAGS) -o $@ $(RBASM_OBJS) $(GLIBS)
 
 ezmsim: ezmsim.o
-	$(CC) $(CFLAGS) -o $@ $^ $(GLIBS)
+	$(CC) $(CFLAGS) -o $@ ezmsim.o $(GLIBS)
 
 asm_R2.o: asm_R2.c asm_R2.h string.h vector.h hashset.h file_reader.h \
   dna.h