tdlight/tdutils/td/utils/port/platform.h
2021-04-30 02:34:12 +03:00

120 lines
3.1 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
// clang-format off
/*** Platform macros ***/
#if defined(_WIN32) || defined(_WINDOWS) // _WINDOWS is defined by CMake
#if defined(__cplusplus_winrt)
#define TD_WINRT 1
#endif
#if defined(__cplusplus_cli)
#define TD_CLI 1
#endif
#define TD_WINDOWS 1
#elif defined(__APPLE__)
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE
// iOS/iPadOS/watchOS/tvOS
#if TARGET_OS_IOS
#define TD_DARWIN_IOS 1
#elif TARGET_OS_TV
#define TD_DARWIN_TV_OS 1
#elif TARGET_OS_WATCH
#define TD_DARWIN_WATCH_OS 1
#else
#define TD_DARWIN_UNKNOWN 1
#endif
#elif TARGET_OS_MAC
// Other kinds of macOS
#define TD_DARWIN_MAC 1
#else
#define TD_DARWIN_UNKNOWN 1
#endif
#define TD_DARWIN 1
#elif defined(ANDROID) || defined(__ANDROID__)
#define TD_ANDROID 1
#elif defined(TIZEN_DEPRECATION)
#define TD_TIZEN 1
#elif defined(__linux__)
#define TD_LINUX 1
#elif defined(__FreeBSD__)
#define TD_FREEBSD 1
#elif defined(__OpenBSD__)
#define TD_OPENBSD 1
#elif defined(__NetBSD__)
#define TD_NETBSD 1
#elif defined(__CYGWIN__)
#define TD_CYGWIN 1
#elif defined(__EMSCRIPTEN__)
#define TD_EMSCRIPTEN 1
#elif defined(__sun)
#define TD_SOLARIS 1
// TD_ILLUMOS can be already defined by CMake
#elif defined(__unix__) // all unices not caught above
#define TD_UNIX_UNKNOWN 1
#define TD_CYGWIN 1
#else
#error "Probably unsupported platform. Feel free to remove the error and try to recompile"
#endif
#if defined(__ICC) || defined(__INTEL_COMPILER)
#define TD_INTEL 1
#elif defined(__clang__)
#define TD_CLANG 1
#elif defined(__GNUC__) || defined(__GNUG__)
#define TD_GCC 1
#elif defined(_MSC_VER)
#define TD_MSVC 1
#else
#define TD_COMPILER_UNKNOWN 1
#endif
#if TD_GCC || TD_CLANG || TD_INTEL
#define TD_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#define TD_ATTRIBUTE_FORMAT_PRINTF(from, to) __attribute__((format(printf, from, to)))
#else
#define TD_WARN_UNUSED_RESULT
#define TD_ATTRIBUTE_FORMAT_PRINTF(from, to)
#endif
#if TD_MSVC
#define TD_UNUSED __pragma(warning(suppress : 4100))
#elif TD_CLANG || TD_GCC || TD_INTEL
#define TD_UNUSED __attribute__((unused))
#else
#define TD_UNUSED
#endif
#define TD_HAVE_ATOMIC_SHARED_PTR 1
// No atomic operations on std::shared_ptr in libstdc++ before 5.0
// see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57250
#ifdef __GLIBCXX__
#undef TD_HAVE_ATOMIC_SHARED_PTR
#endif
// Also no atomic operations on std::shared_ptr when clang __has_feature(cxx_atomic) is defined and zero
#if defined(__has_feature)
#if !__has_feature(cxx_atomic)
#undef TD_HAVE_ATOMIC_SHARED_PTR
#endif
#endif
#ifdef TD_HAVE_ATOMIC_SHARED_PTR // unfortunately we can't check for __GLIBCXX__ here, it is not defined yet
#undef TD_HAVE_ATOMIC_SHARED_PTR
#endif
#define TD_CONCURRENCY_PAD 128
#if !TD_WINDOWS && defined(__SIZEOF_INT128__)
#define TD_HAVE_INT128 1
#endif
// clang-format on