cmake_modules/FindClang.cmake
author antonc27 <antonc27@mail.ru>
Fri, 14 Aug 2015 21:27:55 +0200
branchios-revival
changeset 11120 83c0d96f86ea
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permissions -rw-r--r--
- HelpPageLobbyViewController returned to project (back from 2012!), also help bubble images added
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# - Try to find the Clang/LLVM executable
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# Once done this will define
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#
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#  CLANG_FOUND       - system has Clang
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#  CLANG_VERSION     - Clang version
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#  CLANG_EXECUTABLE  - Clang executable
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#
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# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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find_program(CLANG_EXECUTABLE
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        NAMES clang-mp-3.3 clang-mp-3.2 clang-mp-3.1 clang-mp-3.0 clang
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        PATHS /opt/local/bin /usr/local/bin /usr/bin)
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if (CLANG_EXECUTABLE)
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    execute_process(COMMAND ${CLANG_EXECUTABLE} --version
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                    OUTPUT_VARIABLE CLANG_VERSION_OUTPUT
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                    ERROR_VARIABLE CLANG_VERSION_ERROR
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                    RESULT_VARIABLE CLANG_VERSION_RESULT
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                    OUTPUT_STRIP_TRAILING_WHITESPACE
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                    )
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    if(${CLANG_VERSION_RESULT} EQUAL 0)
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        string(REGEX MATCH "[0-9]+\\.[0-9]+" CLANG_VERSION "${CLANG_VERSION_OUTPUT}")
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        string(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" CLANG_VERSION "${CLANG_VERSION}")
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    else()
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        message(SEND_ERROR "Command \"${CLANG_EXECUTABLE} --version\" failed with output: ${CLANG_VERSION_ERROR}")
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    endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Clang DEFAULT_MSG CLANG_EXECUTABLE CLANG_VERSION)
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mark_as_advanced(CLANG_VERSION)
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