usr/include/gtest
usr/include/gmock
usr/lib/*/libgmock*
usr/lib/*/libgtest*
usr/lib/*/pkgconfig/gmock.pc
usr/lib/*/pkgconfig/gmock_main.pc
usr/lib/*/pkgconfig/gtest_main.pc
usr/lib/*/pkgconfig/gtest.pc
usr/lib/*/cmake/GTest/GTestConfig.cmake
usr/lib/*/cmake/GTest/GTestConfigVersion.cmake
usr/lib/*/cmake/GTest/GTestTargets.cmake exists 
usr/lib/*/cmake/GTest/GTestTargets-none.cmake
