From b5986420fc150a8c54e907fe7fdd7b89d6e93b55 Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Mon, 21 Jan 2013 20:51:22 +0100
Subject: [PATCH] Don't override GTEST_DIR if it already is set.

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c905c59..83e6852 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-GTEST_DIR = /usr/src/gtest
+GTEST_DIR ?= /usr/src/gtest
 
 EIGEN_CXXFLAGS := $(shell pkg-config --cflags eigen3)
 ifeq ($(EIGEN_CXXFLAGS),)
-- 
2.39.2