mirror of
https://github.com/klzgrad/naiveproxy.git
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386 lines
11 KiB
C++
386 lines
11 KiB
C++
// Copyright 2012 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file doesn't belong to any GN target by design for faster build and
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// less developer overhead.
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// This file adds build flags about the OS we're currently building on. They are
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// defined directly in this file instead of via a `buildflag_header` target in a
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// GN file for faster build. They are defined using the corresponding OS defines
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// (e.g. OS_WIN) which are also defined in this file (except for OS_CHROMEOS,
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// which is set by the build system). These defines are deprecated and should
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// NOT be used directly. For example:
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// Please Use: #if BUILDFLAG(IS_WIN)
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// Deprecated: #if defined(OS_WIN)
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//
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// Operating System:
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// IS_AIX / IS_ANDROID / IS_ASMJS / IS_CHROMEOS / IS_FREEBSD / IS_FUCHSIA /
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// IS_IOS / IS_IOS_MACCATALYST / IS_LINUX / IS_MAC / IS_NACL / IS_NETBSD /
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// IS_OPENBSD / IS_QNX / IS_SOLARIS / IS_WIN
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// Operating System family:
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// IS_APPLE: IOS or MAC or IOS_MACCATALYST
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// IS_BSD: FREEBSD or NETBSD or OPENBSD
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// IS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX
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// or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS
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// This file also adds defines specific to the platform, architecture etc.
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//
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// Platform:
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// IS_OZONE
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//
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// Compiler:
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// COMPILER_MSVC / COMPILER_GCC
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//
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// Processor:
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// ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_LOONGARCH32 /
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// ARCH_CPU_LOONGARCH64 / ARCH_CPU_MIPS / ARCH_CPU_MIPS64 /
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// ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL / ARCH_CPU_PPC64 / ARCH_CPU_S390 /
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// ARCH_CPU_S390X / ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_RISCV64
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// Processor family:
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// ARCH_CPU_ARM_FAMILY: ARMEL or ARM64
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// ARCH_CPU_LOONGARCH_FAMILY: LOONGARCH32 or LOONGARCH64
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// ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS
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// ARCH_CPU_PPC64_FAMILY: PPC64
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// ARCH_CPU_S390_FAMILY: S390 or S390X
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// ARCH_CPU_X86_FAMILY: X86 or X86_64
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// ARCH_CPU_RISCV_FAMILY: Riscv64
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// Processor features:
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// ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
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// ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN
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#ifndef BUILD_BUILD_CONFIG_H_
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#define BUILD_BUILD_CONFIG_H_
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#include "build/buildflag.h" // IWYU pragma: export
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// A set of macros to use for platform detection.
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#if defined(__native_client__)
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// __native_client__ must be first, so that other OS_ defines are not set.
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#define OS_NACL 1
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#elif defined(ANDROID)
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#define OS_ANDROID 1
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#elif defined(__APPLE__)
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// Only include TargetConditionals after testing ANDROID as some Android builds
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// on the Mac have this header available and it's not needed unless the target
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// is really an Apple platform.
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#include <TargetConditionals.h>
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#define OS_IOS 1
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// Catalyst is the technology that allows running iOS apps on macOS. These
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// builds are both OS_IOS and OS_IOS_MACCATALYST.
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#if defined(TARGET_OS_MACCATALYST) && TARGET_OS_MACCATALYST
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#define OS_IOS_MACCATALYST
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#endif // defined(TARGET_OS_MACCATALYST) && TARGET_OS_MACCATALYST
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#else
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#define OS_MAC 1
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#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#elif defined(__linux__)
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#if !defined(OS_CHROMEOS)
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// Do not define OS_LINUX on Chrome OS build.
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// The OS_CHROMEOS macro is defined in GN.
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#define OS_LINUX 1
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#endif // !defined(OS_CHROMEOS)
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// Include a system header to pull in features.h for glibc/uclibc macros.
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#include <assert.h>
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#if defined(__GLIBC__) && !defined(__UCLIBC__)
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// We really are using glibc, not uClibc pretending to be glibc.
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#define LIBC_GLIBC 1
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#endif
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#elif defined(_WIN32)
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#define OS_WIN 1
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#elif defined(__Fuchsia__)
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#define OS_FUCHSIA 1
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#elif defined(__FreeBSD__)
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#define OS_FREEBSD 1
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#elif defined(__NetBSD__)
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#define OS_NETBSD 1
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#elif defined(__OpenBSD__)
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#define OS_OPENBSD 1
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#elif defined(__sun)
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#define OS_SOLARIS 1
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#elif defined(__QNXNTO__)
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#define OS_QNX 1
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#elif defined(_AIX)
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#define OS_AIX 1
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#elif defined(__asmjs__) || defined(__wasm__)
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#define OS_ASMJS 1
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#elif defined(__MVS__)
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#define OS_ZOS 1
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#else
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#error Please add support for your platform in build/build_config.h
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#endif
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// NOTE: Adding a new port? Please follow
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// https://chromium.googlesource.com/chromium/src/+/main/docs/new_port_policy.md
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#if defined(OS_MAC) || defined(OS_IOS)
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#define OS_APPLE 1
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#endif
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// For access to standard BSD features, use OS_BSD instead of a
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// more specific macro.
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#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD)
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#define OS_BSD 1
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#endif
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// For access to standard POSIXish features, use OS_POSIX instead of a
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// more specific macro.
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#if defined(OS_AIX) || defined(OS_ANDROID) || defined(OS_ASMJS) || \
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defined(OS_FREEBSD) || defined(OS_IOS) || defined(OS_LINUX) || \
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defined(OS_CHROMEOS) || defined(OS_MAC) || defined(OS_NACL) || \
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defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_QNX) || \
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defined(OS_SOLARIS) || defined(OS_ZOS)
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#define OS_POSIX 1
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#endif
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// OS build flags
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#if defined(OS_AIX)
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#define BUILDFLAG_INTERNAL_IS_AIX() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_AIX() (0)
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#endif
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#if defined(OS_ANDROID)
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#define BUILDFLAG_INTERNAL_IS_ANDROID() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_ANDROID() (0)
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#endif
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#if defined(OS_APPLE)
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#define BUILDFLAG_INTERNAL_IS_APPLE() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_APPLE() (0)
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#endif
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#if defined(OS_ASMJS)
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#define BUILDFLAG_INTERNAL_IS_ASMJS() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_ASMJS() (0)
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#endif
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#if defined(OS_BSD)
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#define BUILDFLAG_INTERNAL_IS_BSD() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_BSD() (0)
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#endif
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#if defined(OS_CHROMEOS)
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#define BUILDFLAG_INTERNAL_IS_CHROMEOS() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_CHROMEOS() (0)
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#endif
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#if defined(OS_FREEBSD)
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#define BUILDFLAG_INTERNAL_IS_FREEBSD() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_FREEBSD() (0)
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#endif
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#if defined(OS_FUCHSIA)
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#define BUILDFLAG_INTERNAL_IS_FUCHSIA() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_FUCHSIA() (0)
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#endif
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#if defined(OS_IOS)
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#define BUILDFLAG_INTERNAL_IS_IOS() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_IOS() (0)
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#endif
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#if defined(OS_IOS_MACCATALYST)
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#define BUILDFLAG_INTERNAL_IS_IOS_MACCATALYST() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_IOS_MACCATALYST() (0)
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#endif
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#if defined(OS_LINUX)
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#define BUILDFLAG_INTERNAL_IS_LINUX() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_LINUX() (0)
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#endif
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#if defined(OS_MAC)
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#define BUILDFLAG_INTERNAL_IS_MAC() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_MAC() (0)
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#endif
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#if defined(OS_NACL)
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#define BUILDFLAG_INTERNAL_IS_NACL() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_NACL() (0)
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#endif
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#if defined(OS_NETBSD)
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#define BUILDFLAG_INTERNAL_IS_NETBSD() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_NETBSD() (0)
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#endif
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#if defined(OS_OPENBSD)
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#define BUILDFLAG_INTERNAL_IS_OPENBSD() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_OPENBSD() (0)
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#endif
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#if defined(OS_POSIX)
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#define BUILDFLAG_INTERNAL_IS_POSIX() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_POSIX() (0)
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#endif
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#if defined(OS_QNX)
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#define BUILDFLAG_INTERNAL_IS_QNX() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_QNX() (0)
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#endif
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#if defined(OS_SOLARIS)
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#define BUILDFLAG_INTERNAL_IS_SOLARIS() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_SOLARIS() (0)
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#endif
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#if defined(OS_WIN)
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#define BUILDFLAG_INTERNAL_IS_WIN() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_WIN() (0)
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#endif
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#if defined(USE_OZONE)
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#define BUILDFLAG_INTERNAL_IS_OZONE() (1)
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#else
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#define BUILDFLAG_INTERNAL_IS_OZONE() (0)
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#endif
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// Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on
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// Windows.
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#if defined(__GNUC__)
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#define COMPILER_GCC 1
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#elif defined(_MSC_VER)
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#define COMPILER_MSVC 1
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#else
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#error Please add support for your compiler in build/build_config.h
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#endif
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// Processor architecture detection. For more info on what's defined, see:
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// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
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// http://www.agner.org/optimize/calling_conventions.pdf
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// or with gcc, run: "echo | gcc -E -dM -"
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#if defined(_M_X64) || defined(__x86_64__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86_64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(_M_IX86) || defined(__i386__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__s390x__)
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#define ARCH_CPU_S390_FAMILY 1
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#define ARCH_CPU_S390X 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif defined(__s390__)
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#define ARCH_CPU_S390_FAMILY 1
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#define ARCH_CPU_S390 1
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#define ARCH_CPU_31_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__)
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#define ARCH_CPU_PPC64_FAMILY 1
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#define ARCH_CPU_PPC64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#elif defined(__PPC64__)
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#define ARCH_CPU_PPC64_FAMILY 1
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#define ARCH_CPU_PPC64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__ARMEL__)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARMEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__aarch64__) || defined(_M_ARM64)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARM64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__)
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__MIPSEL__)
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#if defined(__LP64__)
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS64EL 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#else
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPSEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#endif
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#elif defined(__MIPSEB__)
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#if defined(__LP64__)
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#else
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPS 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_BIG_ENDIAN 1
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#endif
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#elif defined(__loongarch__)
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#define ARCH_CPU_LOONGARCH_FAMILY 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#if __loongarch_grlen == 64
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#define ARCH_CPU_LOONGARCH64 1
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#define ARCH_CPU_64_BITS 1
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#else
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#define ARCH_CPU_LOONGARCH32 1
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#define ARCH_CPU_32_BITS 1
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#endif
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#elif defined(__riscv) && (__riscv_xlen == 64)
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#define ARCH_CPU_RISCV_FAMILY 1
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#define ARCH_CPU_RISCV64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#else
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#error Please add support for your architecture in build/build_config.h
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#endif
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// Type detection for wchar_t.
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#if defined(OS_WIN)
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#define WCHAR_T_IS_UTF16
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#elif defined(OS_FUCHSIA)
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#define WCHAR_T_IS_UTF32
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
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#define WCHAR_T_IS_UTF32
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
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// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
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// compile in this mode (in particular, Chrome doesn't). This is intended for
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// other projects using base who manage their own dependencies and make sure
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// short wchar works for them.
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#define WCHAR_T_IS_UTF16
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#else
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#error Please add support for your compiler in build/build_config.h
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#endif
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#if defined(OS_ANDROID)
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// The compiler thinks std::string::const_iterator and "const char*" are
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// equivalent types.
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#define STD_STRING_ITERATOR_IS_CHAR_POINTER
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// The compiler thinks std::u16string::const_iterator and "char16*" are
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// equivalent types.
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#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER
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#endif
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#endif // BUILD_BUILD_CONFIG_H_
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