From 36cec38231eada02386dabec85355eba195352c5 Mon Sep 17 00:00:00 2001
From: Steven Kreuzer <skreuzer@FreeBSD.org>
Date: Wed, 4 Mar 2015 14:16:43 +0000
Subject: [PATCH] Rename the LIBS variable to LDFLAGS Change the assignment
 operator of CFLAGS and CC to be '?='

---
 Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index c6084a0..8eb363e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
-CFLAGS=-O2 -g -Wall -W `pkg-config --cflags librtlsdr`
-LIBS=`pkg-config --libs librtlsdr` -lpthread -lm
-CC=gcc
+CFLAGS?=-O2 -g -Wall -W `pkg-config --cflags librtlsdr`
+LDFLAGS?=`pkg-config --libs librtlsdr` -lpthread -lm
+CC?=gcc
 PROGNAME=dump1090
 
 all: dump1090
@@ -9,7 +9,7 @@ all: dump1090
 	$(CC) $(CFLAGS) -c $<
 
 dump1090: dump1090.o anet.o
-	$(CC) -g -o dump1090 dump1090.o anet.o $(LIBS)
+	$(CC) -g -o dump1090 dump1090.o anet.o $(LDFLAGS)
 
 clean:
 	rm -f *.o dump1090