CMake Cookbook

How to do it

We will create three files in this cross-compilation "hello world" example following these steps:

1. Create a directory holding hello-world.cpp and CMakeLists.txt, which we listed previously.
2. Create a toolchain.cmake file which contains the following:

# the name of the target operating systemset(CMAKE_SYSTEM_NAME Windows)# which compilers to useset(CMAKE_CXX_COMPILER i686-w64-mingw32-g++)# adjust the default behaviour of the find commands:# search headers and libraries in the target environmentset(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)# search programs in the host environmentset(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

3. Adjust the CMAKE_CXX_COMPILER to the corresponding compiler (path). ...