CMake Error at src/test/CMakeLists.txt:24 (add_library):
  Cannot find source file:

    /usr/src/gmock/gmock-all.cc

  Tried extensions .c .C .c++ .cc .cpp .cxx .cu .m .M .mm .h .hh .h++ .hm
  .hpp .hxx .in .txx


CMake Error at src/test/CMakeLists.txt:23 (add_library):
  Cannot find source file:

    /usr/src/gtest/src/gtest-all.cc

  Tried extensions .c .C .c++ .cc .cpp .cxx .cu .m .M .mm .h .hh .h++ .hm
  .hpp .hxx .in .txx


CMake Error at src/test/CMakeLists.txt:24 (add_library):
  No SOURCES given to target: gmock


CMake Error at src/test/CMakeLists.txt:23 (add_library):
  No SOURCES given to target: gtest


CMake Generate step failed.  Build files cannot be regenerated correctly.
==> ERROR: A failure occurred in build().
    Aborting...