CMake/Modules/CMakeDetermineRCCompiler.cmake

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# determine the compiler to use for C programs
# NOTE, a generator may set CMAKE_C_COMPILER before
# loading this file to force a compiler.
# use environment variable CCC first if defined by user, next use
# the cmake variable CMAKE_GENERATOR_CC which can be defined by a generator
# as a default compiler
IF(NOT CMAKE_RC_COMPILER)
# prefer the environment variable CC
IF($ENV{RC} MATCHES ".+")
GET_FILENAME_COMPONENT(CMAKE_RC_COMPILER_INIT $ENV{RC} PROGRAM PROGRAM_ARGS CMAKE_RC_FLAGS_ENV_INIT)
IF(CMAKE_RC_FLAGS_ENV_INIT)
SET(CMAKE_RC_COMPILER_ARG1 ${CMAKE_RC_FLAGS_ENV_INIT} CACHE STRING "First argument to RC compiler")
ENDIF(CMAKE_RC_FLAGS_ENV_INIT)
IF(EXISTS ${CMAKE_RC_COMPILER_INIT})
ELSE(EXISTS ${CMAKE_RC_COMPILER_INIT})
MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable RC:\n$ENV{RC}.")
ENDIF(EXISTS ${CMAKE_RC_COMPILER_INIT})
ENDIF($ENV{RC} MATCHES ".+")
# next try prefer the compiler specified by the generator
IF(CMAKE_GENERATOR_RC)
IF(NOT CMAKE_RC_COMPILER_INIT)
SET(CMAKE_RC_COMPILER_INIT ${CMAKE_GENERATOR_RC})
ENDIF(NOT CMAKE_RC_COMPILER_INIT)
ENDIF(CMAKE_GENERATOR_RC)
# if no compiler has been specified yet, then look for one
IF(NOT CMAKE_RC_COMPILER_INIT)
SET(CMAKE_RC_COMPILER_LIST rc)
FIND_PROGRAM(CMAKE_RC_COMPILER_FULLPATH NAMES ${CMAKE_RC_COMPILER_LIST} )
GET_FILENAME_COMPONENT(CMAKE_RC_COMPILER_INIT
${CMAKE_RC_COMPILER_FULLPATH} NAME)
SET(CMAKE_RC_COMPILER_FULLPATH "${CMAKE_RC_COMPILER_FULLPATH}"
CACHE INTERNAL "full path to the compiler cmake found")
ENDIF(NOT CMAKE_RC_COMPILER_INIT)
SET(CMAKE_RC_COMPILER ${CMAKE_RC_COMPILER_INIT} CACHE STRING "RC compiler")
ENDIF(NOT CMAKE_RC_COMPILER)
MARK_AS_ADVANCED(CMAKE_RC_COMPILER)
# configure variables set in this file for fast reload later on
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeRCCompiler.cmake.in
${CMAKE_BINARY_DIR}/CMakeRCCompiler.cmake IMMEDIATE)
SET(CMAKE_RC_COMPILER_ENV_VAR "RC")