set(CMAKE_SYSTEM_NAME Windows) set(CMAKE_SYSTEM_PROCESSOR x86) find_program(CMAKE_C_COMPILER NAMES i686-w64-mingw32-gcc) find_program(CMAKE_CXX_COMPILER NAMES i686-w64-mingw32-g++) if(NOT CMAKE_C_COMPILER) message(FATAL_ERROR "Failed to find CMAKE_C_COMPILER.") endif() if(NOT CMAKE_CXX_COMPILER) message(FATAL_ERROR "Failed to find CMAKE_CXX_COMPILER.") endif()