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40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
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#
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# Copyright 2018 The Abseil Authors.
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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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#
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"""Creates config_setting that allows selecting based on 'compiler' value."""
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def create_llvm_config(name, visibility):
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# The "do_not_use_tools_cpp_compiler_present" attribute exists to
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# distinguish between older versions of Bazel that do not support
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# "@bazel_tools//tools/cpp:compiler" flag_value, and newer ones that do.
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# In the future, the only way to select on the compiler will be through
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# flag_values{"@bazel_tools//tools/cpp:compiler"} and the else branch can
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# be removed.
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if hasattr(cc_common, "do_not_use_tools_cpp_compiler_present"):
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native.config_setting(
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name = name,
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flag_values = {
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"@bazel_tools//tools/cpp:compiler": "llvm",
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},
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visibility = visibility,
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)
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else:
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native.config_setting(
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name = name,
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values = {"compiler": "llvm"},
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visibility = visibility,
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)
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