CMakeDetermine(LANG)Compiler.cmake  -> this should find the compiler for LANG and configure CMake(LANG)Compiler.cmake.in

CMake(LANG)Compiler.cmake.in  -> used by CMakeDetermine(LANG)Compiler.cmake
    This file is used to store compiler information and is copied down into try 
    compile directories so that try compiles do not need to re-determine and test the LANG

CMakeTest(LANG)Compiler.cmake -> test the compiler and set:
    SET(CMAKE_(LANG)_COMPILER_WORKS 1 CACHE INTERNAL "")

CMake(LANG)Information.cmake  -> set up rule variables for LANG :
   CMAKE_(LANG)_CREATE_SHARED_LIBRARY
   CMAKE_(LANG)_CREATE_SHARED_MODULE
   CMAKE_(LANG)_CREATE_STATIC_LIBRARY
   CMAKE_(LANG)_COMPILE_OBJECT
   CMAKE_(LANG)_LINK_EXECUTABLE