third__party_2accessibility_2ax__build_2build__config_8h_source.html

// Copyright (c) 2012 The Chromium Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.


// This file adds defines about the platform we're currently building on.

//

//  Operating System:

//    OS_AIX / OS_ANDROID / OS_ASMJS / OS_FREEBSD / OS_FUCHSIA / OS_IOS /

//    OS_LINUX / OS_MAC / OS_NACL (SFI or NONSFI) / OS_NETBSD / OS_OPENBSD /

//    OS_QNX / OS_SOLARIS / OS_WIN

//  Operating System family:

//    OS_APPLE: IOS or MAC

//    OS_BSD: FREEBSD or NETBSD or OPENBSD

//    OS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX

//              or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS

//

//  /!\ Note: OS_CHROMEOS is set by the build system, not this file

//

//  Compiler:

//    COMPILER_MSVC / COMPILER_GCC

//

//  Processor:

//    ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_MIPS / ARCH_CPU_MIPS64 /

//    ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL / ARCH_CPU_PPC64 / ARCH_CPU_S390 /

//    ARCH_CPU_S390X / ARCH_CPU_X86 / ARCH_CPU_X86_64

//  Processor family:

//    ARCH_CPU_ARM_FAMILY: ARMEL or ARM64

//    ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS

//    ARCH_CPU_PPC64_FAMILY: PPC64

//    ARCH_CPU_S390_FAMILY: S390 or S390X

//    ARCH_CPU_X86_FAMILY: X86 or X86_64

//  Processor features:

//    ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS

//    ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN


#ifndef UI_ACCESSIBILITY_BUILD_BUILD_CONFIG_H_

#define UI_ACCESSIBILITY_BUILD_BUILD_CONFIG_H_


// A set of macros to use for platform detection.

#if defined(__native_client__)

// __native_client__ must be first, so that other OS_ defines are not set.

#define OS_NACL 1

// OS_NACL comes in two sandboxing technology flavors, SFI or Non-SFI.

// PNaCl toolchain defines __native_client_nonsfi__ macro in Non-SFI build

// mode, while it does not in SFI build mode.

#if defined(__native_client_nonsfi__)

#define OS_NACL_NONSFI

#else

#define OS_NACL_SFI

#endif

#elif defined(ANDROID)

#define OS_ANDROID 1

#elif defined(__APPLE__)

// Only include TargetConditionals after testing ANDROID as some Android builds

// on the Mac have this header available and it's not needed unless the target

// is really an Apple platform.

#include <TargetConditionals.h>

#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE

#define OS_IOS 1

#else

#define OS_MAC 1

#endif  // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE

#elif defined(__linux__)

#define OS_LINUX 1

// Include a system header to pull in features.h for glibc/uclibc macros.

#include <unistd.h>

#if defined(__GLIBC__) && !defined(__UCLIBC__)

// We really are using glibc, not uClibc pretending to be glibc.

#define LIBC_GLIBC 1

#endif

#elif defined(_WIN32)

#define OS_WIN 1

#elif defined(__Fuchsia__)

#define OS_FUCHSIA 1

#elif defined(__FreeBSD__)

#define OS_FREEBSD 1

#elif defined(__NetBSD__)

#define OS_NETBSD 1

#elif defined(__OpenBSD__)

#define OS_OPENBSD 1

#elif defined(__sun)

#define OS_SOLARIS 1

#elif defined(__QNXNTO__)

#define OS_QNX 1

#elif defined(_AIX)

#define OS_AIX 1

#elif defined(__asmjs__) || defined(__wasm__)

#define OS_ASMJS 1

#else

#error Please add support for your platform in build/build_config.h

#endif

// NOTE: Adding a new port? Please follow

// https://chromium.googlesource.com/chromium/src/+/master/docs/new_port_policy.md


#if defined(OS_MAC) || defined(OS_IOS)

#define OS_APPLE 1

#endif


// For access to standard BSD features, use OS_BSD instead of a

// more specific macro.

#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD)

#define OS_BSD 1

#endif


// For access to standard POSIXish features, use OS_POSIX instead of a

// more specific macro.

#if defined(OS_AIX) || defined(OS_ANDROID) || defined(OS_ASMJS) ||  \

    defined(OS_FREEBSD) || defined(OS_IOS) || defined(OS_LINUX) ||  \

    defined(OS_CHROMEOS) || defined(OS_MAC) || defined(OS_NACL) ||  \

    defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_QNX) || \

    defined(OS_SOLARIS)

#define OS_POSIX 1

#endif


// Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on

// Windows.

#if defined(__GNUC__)

#define COMPILER_GCC 1

#elif defined(_MSC_VER)

#define COMPILER_MSVC 1

#else

#error Please add support for your compiler in build/build_config.h

#endif


// Processor architecture detection.  For more info on what's defined, see:

//   http://msdn.microsoft.com/en-us/library/b0084kay.aspx

//   http://www.agner.org/optimize/calling_conventions.pdf

//   or with gcc, run: "echo | gcc -E -dM -"

#if defined(_M_X64) || defined(__x86_64__)

#define ARCH_CPU_X86_FAMILY 1

#define ARCH_CPU_X86_64 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(_M_IX86) || defined(__i386__)

#define ARCH_CPU_X86_FAMILY 1

#define ARCH_CPU_X86 1

#define ARCH_CPU_32_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(__s390x__)

#define ARCH_CPU_S390_FAMILY 1

#define ARCH_CPU_S390X 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_BIG_ENDIAN 1

#elif defined(__s390__)

#define ARCH_CPU_S390_FAMILY 1

#define ARCH_CPU_S390 1

#define ARCH_CPU_31_BITS 1

#define ARCH_CPU_BIG_ENDIAN 1

#elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__)

#define ARCH_CPU_PPC64_FAMILY 1

#define ARCH_CPU_PPC64 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_BIG_ENDIAN 1

#elif defined(__PPC64__)

#define ARCH_CPU_PPC64_FAMILY 1

#define ARCH_CPU_PPC64 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(__ARMEL__)

#define ARCH_CPU_ARM_FAMILY 1

#define ARCH_CPU_ARMEL 1

#define ARCH_CPU_32_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(__aarch64__) || defined(_M_ARM64)

#define ARCH_CPU_ARM_FAMILY 1

#define ARCH_CPU_ARM64 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__)

#define ARCH_CPU_32_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#elif defined(__MIPSEL__)

#if defined(__LP64__)

#define ARCH_CPU_MIPS_FAMILY 1

#define ARCH_CPU_MIPS64EL 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#else

#define ARCH_CPU_MIPS_FAMILY 1

#define ARCH_CPU_MIPSEL 1

#define ARCH_CPU_32_BITS 1

#define ARCH_CPU_LITTLE_ENDIAN 1

#endif

#elif defined(__MIPSEB__)

#if defined(__LP64__)

#define ARCH_CPU_MIPS_FAMILY 1

#define ARCH_CPU_MIPS64 1

#define ARCH_CPU_64_BITS 1

#define ARCH_CPU_BIG_ENDIAN 1

#else

#define ARCH_CPU_MIPS_FAMILY 1

#define ARCH_CPU_MIPS 1

#define ARCH_CPU_32_BITS 1

#define ARCH_CPU_BIG_ENDIAN 1

#endif

#else

#error Please add support for your architecture in build/build_config.h

#endif


// Type detection for wchar_t.

#if defined(OS_WIN)

#define WCHAR_T_IS_UTF16

#elif defined(OS_FUCHSIA)

#define WCHAR_T_IS_UTF32

#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \

    (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)

#define WCHAR_T_IS_UTF32

#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \

    (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)

// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to

// compile in this mode (in particular, Chrome doesn't). This is intended for

// other projects using base who manage their own dependencies and make sure

// short wchar works for them.

#define WCHAR_T_IS_UTF16

#else

#error Please add support for your compiler in build/build_config.h

#endif


#if defined(OS_ANDROID)

// The compiler thinks std::string::const_iterator and "const char*" are

// equivalent types.

#define STD_STRING_ITERATOR_IS_CHAR_POINTER

// The compiler thinks std::u16string::const_iterator and "char16*" are

// equivalent types.

#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER

#endif


#endif  // UI_ACCESSIBILITY_BUILD_BUILD_CONFIG_H_