new file mode 100644
@@ -0,0 +1,8 @@
+GTEST_DIR=googletest/googletest
+
+all:
+ g++ -o main main.cc sum.cc
+test:
+ g++ -o sum_test sum_test.cc sum.cc -isystem ${GTEST_DIR}/include -L${GTEST_DIR}/build -pthread -lgtest
+ ./sum_test