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//===-- sanitizer_getauxval.h -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common getauxval() guards and definitions.
// getauxval() is not defined until glibc version 2.16, or until API level 21
// for Android.
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_GETAUXVAL_H
#define SANITIZER_GETAUXVAL_H
#include "sanitizer_platform.h"
#if SANITIZER_LINUX
#include <features.h>
#ifndef __GLIBC_PREREQ
#define __GLIBC_PREREQ(x, y) 0
#endif
#if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21)
# define SANITIZER_USE_GETAUXVAL 1
#else
# define SANITIZER_USE_GETAUXVAL 0
#endif
#if SANITIZER_USE_GETAUXVAL
#include <sys/auxv.h>
#endif
#endif // SANITIZER_LINUX
#endif // SANITIZER_GETAUXVAL_H
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