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58 lines
2.1 KiB
58 lines
2.1 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# determine the compiler to use for RC programs
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# NOTE, a generator may set CMAKE_RC_COMPILER before
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# loading this file to force a compiler.
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# use environment variable RC first if defined by user, next use
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# the cmake variable CMAKE_GENERATOR_RC which can be defined by a generator
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# as a default compiler
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if(NOT CMAKE_RC_COMPILER)
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# prefer the environment variable RC
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if(NOT $ENV{RC} STREQUAL "")
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get_filename_component(CMAKE_RC_COMPILER_INIT $ENV{RC} PROGRAM PROGRAM_ARGS CMAKE_RC_FLAGS_ENV_INIT)
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if(CMAKE_RC_FLAGS_ENV_INIT)
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set(CMAKE_RC_COMPILER_ARG1 "${CMAKE_RC_FLAGS_ENV_INIT}" CACHE STRING "First argument to RC compiler")
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endif()
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if(EXISTS ${CMAKE_RC_COMPILER_INIT})
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else()
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message(FATAL_ERROR "Could not find compiler set in environment variable RC:\n$ENV{RC}.")
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endif()
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endif()
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# next try prefer the compiler specified by the generator
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if(CMAKE_GENERATOR_RC)
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if(NOT CMAKE_RC_COMPILER_INIT)
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set(CMAKE_RC_COMPILER_INIT ${CMAKE_GENERATOR_RC})
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endif()
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endif()
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# finally list compilers to try
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if(CMAKE_RC_COMPILER_INIT)
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set(CMAKE_RC_COMPILER_LIST ${CMAKE_RC_COMPILER_INIT})
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else()
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set(CMAKE_RC_COMPILER_LIST rc)
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endif()
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# Find the compiler.
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find_program(CMAKE_RC_COMPILER NAMES ${CMAKE_RC_COMPILER_LIST} DOC "RC compiler")
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if(CMAKE_RC_COMPILER_INIT AND NOT CMAKE_RC_COMPILER)
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set(CMAKE_RC_COMPILER "${CMAKE_RC_COMPILER_INIT}" CACHE FILEPATH "RC compiler" FORCE)
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endif()
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endif()
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mark_as_advanced(CMAKE_RC_COMPILER)
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get_filename_component(_CMAKE_RC_COMPILER_NAME_WE ${CMAKE_RC_COMPILER} NAME_WE)
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if(_CMAKE_RC_COMPILER_NAME_WE STREQUAL "windres")
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set(CMAKE_RC_OUTPUT_EXTENSION .obj)
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else()
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set(CMAKE_RC_OUTPUT_EXTENSION .res)
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endif()
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# configure variables set in this file for fast reload later on
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configure_file(${CMAKE_ROOT}/Modules/CMakeRCCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeRCCompiler.cmake)
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set(CMAKE_RC_COMPILER_ENV_VAR "RC")
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