Used bundled gtest

.travis.yml

@@ -4,7 +4,8 @@ matrix:
     sudo: enabled
     before_install:
       - sudo apt-get update
-      - sudo apt-get install -y gcc liblapack-dev cmake libfftw3-dev libgtest-dev python-dev
+      - sudo apt-get install -y gcc liblapack-dev cmake libfftw3-dev python-dev
+        #- sudo apt-get install -y gcc liblapack-dev cmake libfftw3-dev libgtest-dev python-dev
       - pip install numpy --user
       - pip install scipy --user
       - sudo apt-get install -y libopenmpi-dev openmpi-bin

test/c++/CMakeLists.txt

@@ -2,16 +2,16 @@ cmake_minimum_required(VERSION 2.8.12)
 
 function(add_gtest test)
     set(source "${ARGV1}/${test}.cpp")
-    #set(gtest_src "${ARGV1}/gtest_main.cc;${ARGV1}/gtest-all.cc")
+    set(gtest_src "${ARGV1}/gtest_main.cc;${ARGV1}/gtest-all.cc")
 
-    add_executable(${test} ${source} ${header_files})
-    target_link_libraries(${test} GTest::GTest GTest::Main pthread)
+    add_executable(${test} ${source} ${gtest_src} ${header_files})
+    target_link_libraries(${test} pthread gf)
     target_include_directories(${test} PRIVATE ${HDF5_INCLUDE_DIR})
     add_test(NAME ${test} COMMAND ${test} ${test_xml_output})
 endfunction(add_gtest)
 
-find_package(GTest REQUIRED)
-include_directories(BEFORE ${GTEST_INCLUDE_DIRS})
+#find_package(GTest REQUIRED)
+#include_directories(BEFORE ${GTEST_INCLUDE_DIRS})
 include_directories(../../c++/include)
 
 # test for SPM library
@@ -25,7 +25,7 @@ test_pade
 
 foreach(test_c++ ${unittest_src_gf})
   add_gtest(${test_c++} ".")
-  target_link_libraries(${test_c++} gf)
+  #target_link_libraries(${test_c++} gf)
 endforeach(test_c++)
 
 add_subdirectory(data)