--- Makefile.orig	2017-06-11 17:08:14.561769314 -0400
+++ Makefile.orig	2017-06-11 17:08:00.632769416 -0400
@@ -38,11 +38,11 @@ 
 
 OBJ     =   $(SRC:.c=.o)
 
-CC      =   gcc
+#CC      =   gcc
 
-CFLAGS  =   -O3 -Wall
+#CFLAGS  =   -O3 -Wall
 
-BINDIR  =   /usr/local/bin
+BINDIR  =   /usr/bin
 
 ifeq ($(shell uname), Darwin)
    LIBS =   -lpthread -lpcap
@@ -81,12 +81,14 @@ 
 
 ifeq ($(shell uname), Darwin)
 install : $(NAME)
-	cp $(NAME) $(BINDIR)
-	chmod 4755 $(BINDIR)/$(NAME)
-	chown root $(BINDIR)/$(NAME)
+	mkdir -p $(DESTDIR)$(BINDIR)
+	cp $(NAME) $(DESTDIR)$(BINDIR)
+	chmod 4755 $(DESTDIR)$(BINDIR)/$(NAME)
+	chown root $(DESTDIR)$(BINDIR)/$(NAME)
 else
 install : $(NAME)
+	mkdir -p $(DESTDIR)$(BINDIR)
 	chmod +x $(NAME)
-	cp $(NAME) $(BINDIR)
-	setcap cap_net_admin,cap_net_raw=ep $(BINDIR)/$(NAME)
+	cp $(NAME) $(DESTDIR)$(BINDIR)
+	setcap cap_net_admin,cap_net_raw=ep $(DESTDIR)$(BINDIR)/$(NAME)
 endif