--- Makefile.orig	2017-10-19 16:22:27.589185696 -0700
+++ Makefile	2017-10-19 16:23:26.094227199 -0700
@@ -25,10 +25,10 @@
 bindir = $(prefix)/bin
 
 INC =
-GCC_PREFIX = $(shell dirname `which gcc`)
+GCC_PREFIX =
 GCC_SUFFIX =
-CC ?= $(GCC_PREFIX)/gcc$(GCC_SUFFIX)
-CPP ?= $(GCC_PREFIX)/g++$(GCC_SUFFIX)
+CC = cc
+CPP = c++
 CXX ?= $(CPP)
 HEADERS = $(wildcard *.h)
 BOWTIE_MM = 1