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40 lines
1.5 KiB
40 lines
1.5 KiB
# Copyright (C) 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This is the init script that is passed to `emcc --em-config=.emscripten`
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# (Wasm toolchain). It sets vars to locate the various emsdk / llvm dirs.
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import os
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import sys
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from platform import system
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# We cannot use __file__ here.
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this_file = os.getenv('EM_CONFIG')
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if this_file is None:
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sys.stderr.write('Could not find EM_CONFIG in .emscripten\n')
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sys.exit(1)
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root_dir = os.path.dirname(os.path.dirname(os.path.dirname(this_file)))
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buildools_os = 'mac' if system().lower() == 'darwin' else 'linux64'
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node_path = os.path.join(root_dir, 'buildtools', buildools_os, 'nodejs')
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emsdk_path = os.path.join(root_dir, 'buildtools', buildools_os, 'emsdk')
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# Exported vars.
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NODE_JS = os.path.join(node_path, 'bin', 'node')
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LLVM_ROOT = os.path.join(emsdk_path, 'bin')
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BINARYEN_ROOT = emsdk_path
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EMSCRIPTEN_ROOT = os.path.join(emsdk_path, 'emscripten')
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COMPILER_ENGINE = NODE_JS
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JS_ENGINES = [NODE_JS]
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