cmake_modules/FindEmscripten.cmake
author Wuzzy <Wuzzy2@mail.ru>
Tue, 24 Jul 2018 20:07:58 +0200
branch0.9.24
changeset 13550 d42237d16acf
parent 11654 870f22de388b
permissions -rw-r--r--
Limit max droplet count to 50 (fix for 0.9.24 branch only) This fixes the issue with insane amounts of droplets in 0.9.24. It's temporary, the real fix is in default branch, but would be desyncing.
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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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