Simple CMake function to recursively clear the cache files. (cross platform)

clearCache.cmake

function(DELETE_CACHE)
    if(CMAKE_HOST_WIN32)
        execute_process(COMMAND cmd /c for /r %%i in (CMakeCache.*) do del "%%i" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
        execute_process(COMMAND cmd /c for /d /r %%i in (*CMakeFiles*) do rd /s /q "%%i" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
    else()
        execute_process(COMMAND find . -name "CMakeCache.*" -delete WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
        execute_process(COMMAND "rm -rf `find . -type d -name CMakeFiles`" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
    endif()
endfunction()