Merge pull request #139 from schuhschuh/master

Fix compilation of unittest on Ubuntu

test/config/CMakeLists.txt

 ## gflags package configuration tests
 
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
 
 project (gflags_${TEST_NAME})
 

test/gflags_unittest.cc

@@ -32,6 +32,7 @@
 // For now, this unit test does not cover all features of
 // gflags.cc
 
+#include "config.h"
 #include <gflags/gflags.h>
 
 #include <math.h>       // for isinf() and isnan()