CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)
PROJECT(RC C RC)
SET(CMAKE_VERBOSE_MAKEFILE ON)

FILE(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/rc)

FUNCTION(ADD_EXECUTABLE TARGET)
    UNSET(ARGS)
    FOREACH(i IN LISTS ARGN)
        IF(i MATCHES "\\.rc$")
            IF(IS_ABSOLUTE "${i}")
                GET_FILENAME_COMPONENT(p "${i}" PATH)
                FILE(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/rc${p}")
                EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E create_symlink "${i}" "${CMAKE_BINARY_DIR}/rc${i}")
                LIST(APPEND ARGS "${CMAKE_BINARY_DIR}/rc${i}")
            ELSEIF(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${i}")
                GET_FILENAME_COMPONENT(p "${CMAKE_CURRENT_SOURCE_DIR}/${i}" PATH)
                FILE(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/rc${p}")
                EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E create_symlink "${CMAKE_CURRENT_SOURCE_DIR}/${i}" "${CMAKE_BINARY_DIR}/rc${CMAKE_CURRENT_SOURCE_DIR}/${i}")
                LIST(APPEND ARGS "${CMAKE_BINARY_DIR}/rc${CMAKE_CURRENT_SOURCE_DIR}/${i}")
            ELSE()
                GET_FILENAME_COMPONENT(p "${CMAKE_CURRENT_BINARY_DIR}/${i}" PATH)
                FILE(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/rc${p}")
                EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E create_symlink "${CMAKE_CURRENT_BINARY_DIR}/${i}" "${CMAKE_BINARY_DIR}/rc${CMAKE_CURRENT_BINARY_DIR}/${i}")
                LIST(APPEND ARGS "${CMAKE_BINARY_DIR}/rc${CMAKE_CURRENT_BINARY_DIR}/${i}")
            ENDIF()
        ELSE()
            LIST(APPEND ARGS "${i}")
        ENDIF()
    ENDFOREACH()
    _ADD_EXECUTABLE(${TARGET} ${ARGS})
ENDFUNCTION()

SET_PROPERTY(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "bash ${CMAKE_SOURCE_DIR}/rc.sh <CMAKE_RC_COMPILER> <SOURCE> <OBJECT>")
FILE(WRITE ${CMAKE_BINARY_DIR}/main.c "int main(void){return 0;}\n")
FILE(WRITE ${CMAKE_BINARY_DIR}/bindir.rc "")  # <-- Something meaningful.
ADD_EXECUTABLE(main main.c srcdir.rc bindir.rc "${CMAKE_SOURCE_DIR}/abs.rc")