cmake_modules/FindEmscripten.cmake
author Wuzzy <Wuzzy2@mail.ru>
Thu, 15 Mar 2018 21:15:16 +0100
changeset 13221 02bf6902eeb0
parent 11654 870f22de388b
permissions -rw-r--r--
Remove Qt SVG and Qt OpenGL as hard dependencies Qt SVG is not used in the frontend (no SVGs are rendered). Neither is Qt OpenGL used. Qt OpenGL is discouraged anyway.
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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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#  EMSCRIPTEN_FOUND       - system has Clang
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#  EMSCRIPTEN_VERSION     - Clang version
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#  EMSCRIPTEN_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(EMSCRIPTEN_EXECUTABLE
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        NAMES emcc
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        PATHS /opt/local/bin /usr/local/bin /usr/bin)
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if (EMSCRIPTEN_EXECUTABLE)
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    execute_process(COMMAND ${EMSCRIPTEN_EXECUTABLE} -v
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                    OUTPUT_VARIABLE EMSCRIPTEN_VERSION_OUTPUT
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                    ERROR_VARIABLE EMSCRIPTEN_VERSION_ERROR
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                    RESULT_VARIABLE EMSCRIPTEN_VERSION_RESULT
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                    OUTPUT_STRIP_TRAILING_WHITESPACE
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                    )
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    if(${EMSCRIPTEN_VERSION_RESULT} EQUAL 0)
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        string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION_OUTPUT}")
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        string(REGEX REPLACE "([0-9]+\\.[0-9]+\\.[0-9]+)" "\\1" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION}")
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    else()
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        message(SEND_ERROR "Command \"${EMSCRIPTEN_EXECUTABLE} --version\" failed with output: ${EMSCRIPTEN_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(Emscripten DEFAULT_MSG EMSCRIPTEN_EXECUTABLE EMSCRIPTEN_VERSION)
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mark_as_advanced(EMSCRIPTEN_VERSION)
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