diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..4ae24da
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,34 @@
+language: c
+sudo: false
+compiler:
+  - gcc
+os:
+  - linux
+  #- osx
+#env:
+#install:
+#- if [ "$CC" = "gcc" ]; then export CC="gcc-4.9"; fi
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    #packages:
+    #- gcc-4.9
+    #- clang
+script:
+  - cd ref/
+  - make
+  - ./PathFinder.x -x ../data/scaleData/1kx750.adj_list
+  - ./PathFinder.x -x ../data/scaleData/2kx750.adj_list
+  - ./PathFinder.x -x ../data/scaleData/4kx750.adj_list
+  - ./PathFinder.x -x ../data/scaleData/6kx750.adj_list
+  - ./PathFinder.x -x ../data/scaleData/8kx750.adj_list
+  - ./PathFinder.x -x ../data/scaleData/10kx750.adj_list
+#after_failure:
+#  - echo "Sad panda"
+notifications:
+  email:
+    recipients:
+      - jeff.science@gmail.com
+    on_success: [change]
+    on_failure: [always]
diff --git a/ref/Makefile b/ref/Makefile
index 4f17e69..80c6317 100644
--- a/ref/Makefile
+++ b/ref/Makefile
@@ -32,23 +32,15 @@
 
 #-----------------------------------------------------------------------
 
-#CC=cc
-CC=gcc
+CC	:= cc
+CFLAGS	:= -O2 -fopenmp
+LIBS 	:= -lm
 
-CFLAGS = $(OPT)
-#CFLAGS += -openmp
-CFLAGS += -fopenmp
 #CFLAGS += -D_USE_PAT_API
 
 LD      = $(CC)
 LDFLAGS = $(CFLAGS)
 
-# Optimization
-OPT = -O3
-OPT = -g
-
-LIBS = -lgomp -lm
-
 include make_targets
 
 # End makefile