34 lines
1.1 KiB
34 lines
1.1 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#pragma once
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/**
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* This header defines some useful attribute by each compiler. It is the
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* abstract layer of compilers.
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*/
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#ifdef __GNUC__
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#define GCC_VERSION \
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(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#else
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#define GCC_VERSION
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#endif
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/**
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* __must_check macro. It make the function's return value must be used,
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* otherwise it will raise a compile warning. And also Paddle treat all compile
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* warnings as errors.
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*/
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#if GCC_VERSION >= 30400
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#define __must_check __attribute__((warn_unused_result))
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#else
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#define __must_check
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#endif
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