+
−# - Try to find the Clang/LLVM executable
+
−# Once done this will define
+
−#
+
−#  EMSCRIPTEN_FOUND       - system has Clang
+
−#  EMSCRIPTEN_VERSION     - Clang version
+
−#  EMSCRIPTEN_EXECUTABLE  - Clang executable
+
−#
+
−# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
+
−#
+
−# Redistribution and use is allowed according to the terms of the BSD license.
+
−# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
−
+
−find_program(EMSCRIPTEN_EXECUTABLE
+
−        NAMES emcc
+
−        PATHS /opt/local/bin /usr/local/bin /usr/bin)
+
−
+
−if (EMSCRIPTEN_EXECUTABLE)
+
−    execute_process(COMMAND ${EMSCRIPTEN_EXECUTABLE} -v
+
−                    OUTPUT_VARIABLE EMSCRIPTEN_VERSION_OUTPUT
+
−                    ERROR_VARIABLE EMSCRIPTEN_VERSION_ERROR
+
−                    RESULT_VARIABLE EMSCRIPTEN_VERSION_RESULT
+
−                    OUTPUT_STRIP_TRAILING_WHITESPACE
+
−                    )
+
−
+
−    if(${EMSCRIPTEN_VERSION_RESULT} EQUAL 0)
+
−        string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION_OUTPUT}")
+
−        string(REGEX REPLACE "([0-9]+\\.[0-9]+\\.[0-9]+)" "\\1" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION}")
+
−    else()
+
−        message(SEND_ERROR "Command \"${EMSCRIPTEN_EXECUTABLE} --version\" failed with output: ${EMSCRIPTEN_VERSION_ERROR}")
+
−    endif()
+
−endif()
+
−
+
−include(FindPackageHandleStandardArgs)
+
−find_package_handle_standard_args(Emscripten DEFAULT_MSG EMSCRIPTEN_EXECUTABLE EMSCRIPTEN_VERSION)
+
−mark_as_advanced(EMSCRIPTEN_VERSION)
+
−