成功解决CMake Error at src/:3 (add_library): Cannot find source file:

目前整个的文件结构如下：

user@user-B460MPOWER:~/work/xinguo/rgbd-slam-tutorial-gx/partI$ tree -L 2
.
├── bin
├── build
│   ├── 
│   ├── CMakeFiles
│   ├── cmake_install.cmake
│   ├── Makefile
│   └── src
├── cmake-build-debug
│   ├── 
│   ├── CMakeFiles
│   ├── cmake_install.cmake
│   ├── Makefile
│   ├── 
│   ├── src
│   └── Testing
├── 
├── include
│   └── mylib
├── lib
└── src
    ├── 
    ├── 
    └── 

没有找到是因为头文件配套的实现文件名字写错了。

CMake Error at src/:3 (add_library):
  Cannot find source file:

    

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


CMake Error: CMake can not determine linker language for target: mylib
CMake Error: Cannot determine link language for target "mylib".
-- Generating done
-- Build files have been written to: /home/user/work/rgbd-slam-tutorial-gx/partI/build

编译时出这个错误，因为中add_library()中包含的是src/，而我实际文件是src/,后缀不一样，当然找不到（虽然.cc文件等同于.cpp文件，但是毕竟一个.cc,一个.cpp,名字不一样）。