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# CMakeForceCompiler

This module defines macros intended for use by cross-compiling toolchain files when CMake is not able to automatically detect the compiler identification.

Macro CMAKE_FORCE_C_COMPILER has the following signature:

    CMAKE_FORCE_C_COMPILER(<compiler> <compiler-id>)

It sets CMAKE_C_COMPILER to the given compiler and the cmake internal variable CMAKE_C_COMPILER_ID to the given compiler-id. It also bypasses the check for working compiler and basic compiler information tests.

Macro CMAKE_FORCE_CXX_COMPILER has the following signature:

    CMAKE_FORCE_CXX_COMPILER(<compiler> <compiler-id>)

It sets CMAKE_CXX_COMPILER to the given compiler and the cmake internal variable CMAKE_CXX_COMPILER_ID to the given compiler-id. It also bypasses the check for working compiler and basic compiler information tests.

Macro CMAKE_FORCE_Fortran_COMPILER has the following signature:

    CMAKE_FORCE_Fortran_COMPILER(<compiler> <compiler-id>)

It sets CMAKE_Fortran_COMPILER to the given compiler and the cmake internal variable CMAKE_Fortran_COMPILER_ID to the given compiler-id. It also bypasses the check for working compiler and basic compiler information tests.

So a simple toolchain file could look like this:

    include (CMakeForceCompiler)
    set(CMAKE_SYSTEM_NAME Generic)
    CMAKE_FORCE_C_COMPILER   (chc12 MetrowerksHicross)
    CMAKE_FORCE_CXX_COMPILER (chc12 MetrowerksHicross)

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