Add CMAKE_RC_COMPILER variable to mingw_resource_compiler macro.

endmacro(dbg_msg)

macro(mingw_resource_compiler _NAME)

    # Resource compiler name.

    if(NOT DEFINED CMAKE_RC_COMPILER)

        set(CMAKE_RC_COMPILER windres.exe)

    endif(NOT DEFINED CMAKE_RC_COMPILER)

    dbg_msg("CMAKE_RC_COMPILER: ${CMAKE_RC_COMPILER}")

    # Input file.

    set(_IN "${CMAKE_CURRENT_SOURCE_DIR}/${_NAME}.rc")

    dbg_msg("_IN: ${_IN}")

    endforeach(wx_include_dir ${wxWidgets_INCLUDE_DIRS})

    dbg_msg("_WINDRES_INCLUDE_DIRS: ${_WINDRES_INCLUDE_DIRS}")

    # windres.exe arguments.

    # windres arguments.

    set(_ARGS ${_WINDRES_INCLUDE_DIRS} -i${_IN} -o${_OUT})

    dbg_msg("_ARGS: ${_ARGS}")

    # Compile resource file.

    add_custom_command(OUTPUT ${_OUT}

        COMMAND windres.exe

        COMMAND ${CMAKE_RC_COMPILER}

        ARGS ${_ARGS}

        COMMENT "Compiling ${_NAME}'s resource file"

        VERBATIM)