From 15c3f7b7bb37b8339403ee31b02f604fa78f094d Mon Sep 17 00:00:00 2001
From: Michael Hamburg <mike@shiftleft.org>
Date: Thu, 3 May 2018 10:51:56 -0700
Subject: [PATCH] CC= -> CC?= in Makefile, thanks Timo Gurr

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

diff --git a/Makefile b/Makefile
index bb27775..b19fe3e 100644
--- a/Makefile
+++ b/Makefile
@@ -20,11 +20,11 @@ BUILD_IBIN = build/obj/bin
 DOXYGEN ?= doxygen
 
 ifeq ($(UNAME),Darwin)
-CC = clang
-CXX = clang++
+CC ?= clang
+CXX ?= clang++
 else
-CC = gcc
-CXX = g++
+CC ?= gcc
+CXX ?= g++
 endif
 LD = $(CC)
 LDXX = $(CXX)