Author: holgersson <holgersson@posteo.de>
Date:   Fri Oct 20 18:30:00 2017 +0200

Respect CC, CFLAGS, CPPFLAGS and LDFLAGS.

--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,7 @@
-CC = gcc
-CFLAGS = -Wall
-LDFLAGS = -lpcap
+CFLAGS += -Wall
+LDLIBS = -lpcap
 
-all:
-	$(CC) $(CFLAGS) $(LDFLAGS) -o hexinject hexinject.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -o prettypacket prettypacket.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -o hex2raw hex2raw.c
+all: hexinject prettypacket hex2raw
 
 clean:
 	rm -f hexinject prettypacket hex2raw *~