// Copyright 2014 The Crashpad Authors. All rights reserved.
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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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#ifndef CRASHPAD_UTIL_STDLIB_OBJC_H_
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#define CRASHPAD_UTIL_STDLIB_OBJC_H_
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#include <Availability.h>
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#include <objc/objc.h>
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#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_8
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// In order for the @NO and @YES literals to work, NO and YES must be defined as
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// __objc_no and __objc_yes. See
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// https://clang.llvm.org/docs/ObjectiveCLiterals.html.
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//
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// NO and YES are defined properly for this purpose in the 10.8 SDK, but not in
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// earlier SDKs. Because this code is never expected to be compiled with a
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// compiler that does not understand the modern forms of these boolean
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// constants, but it may be built with an older SDK, replace the outdated SDK
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// definitions unconditionally.
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#undef NO
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#undef YES
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#define NO __objc_no
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#define YES __objc_yes
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#endif
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#endif // CRASHPAD_UTIL_STDLIB_OBJC_H_
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