CMake/Modules/CMakeDetermineRCCompiler.cmake

62 lines
2.6 KiB
CMake

#=============================================================================
# Copyright 2004-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distributed this file outside of CMake, substitute the full
# License text for the above reference.)
# 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)
# finally list compilers to try
IF(CMAKE_RC_COMPILER_INIT)
SET(CMAKE_RC_COMPILER_LIST ${CMAKE_RC_COMPILER_INIT})
ELSE(CMAKE_RC_COMPILER_INIT)
SET(CMAKE_RC_COMPILER_LIST rc)
ENDIF(CMAKE_RC_COMPILER_INIT)
# Find the compiler.
FIND_PROGRAM(CMAKE_RC_COMPILER NAMES ${CMAKE_RC_COMPILER_LIST} DOC "RC compiler")
IF(CMAKE_RC_COMPILER_INIT AND NOT CMAKE_RC_COMPILER)
SET(CMAKE_RC_COMPILER "${CMAKE_RC_COMPILER_INIT}" CACHE FILEPATH "RC compiler" FORCE)
ENDIF(CMAKE_RC_COMPILER_INIT AND NOT CMAKE_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
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeRCCompiler.cmake IMMEDIATE)
SET(CMAKE_RC_COMPILER_ENV_VAR "RC")