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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___CONFIGURATION_PLATFORM_H
#define _LIBCPP___CONFIGURATION_PLATFORM_H
#include <__config_site>
#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
# pragma GCC system_header
#endif
#if defined(__ELF__)
# define _LIBCPP_OBJECT_FORMAT_ELF 1
#elif defined(__MACH__)
# define _LIBCPP_OBJECT_FORMAT_MACHO 1
#elif defined(_WIN32)
# define _LIBCPP_OBJECT_FORMAT_COFF 1
#elif defined(__wasm__)
# define _LIBCPP_OBJECT_FORMAT_WASM 1
#elif defined(_AIX)
# define _LIBCPP_OBJECT_FORMAT_XCOFF 1
#else
// ... add new file formats here ...
#endif
// Need to detect which libc we're using if we're on Linux.
#if defined(__linux__) || defined(__AMDGPU__) || defined(__NVPTX__)
# if __has_include(<features.h>)
# include <features.h>
# if defined(__GLIBC_PREREQ)
# define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b)
# else
# define _LIBCPP_GLIBC_PREREQ(a, b) 0
# endif // defined(__GLIBC_PREREQ)
# endif
#endif
// This is required in order for _NEWLIB_VERSION to be defined in places where we use it.
// TODO: We shouldn't be including arbitrarily-named headers from libc++ since this can break valid
// user code. Move code paths that need _NEWLIB_VERSION to another customization mechanism.
#if __has_include(<picolibc.h>)
# include <picolibc.h>
#endif
#ifndef __BYTE_ORDER__
# error \
"Your compiler doesn't seem to define __BYTE_ORDER__, which is required by libc++ to know the endianness of your target platform"
#endif
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
# define _LIBCPP_LITTLE_ENDIAN
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define _LIBCPP_BIG_ENDIAN
#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#endif // _LIBCPP___CONFIGURATION_PLATFORM_H
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