131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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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 adds defines about the platform we're currently building on.
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// Operating System:
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// OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX)
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// Compiler:
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// COMPILER_MSVC / COMPILER_GCC
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// Processor:
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// ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64)
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// ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
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#ifndef BUILD_BUILD_CONFIG_H_
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#define BUILD_BUILD_CONFIG_H_
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// A set of macros to use for platform detection.
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#if defined(ANDROID)
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#define OS_ANDROID 1
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#define OS_LINUX 1
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#elif defined(__APPLE__)
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#define OS_MACOSX 1
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#elif defined(__linux__)
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#define OS_LINUX 1
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#elif defined(__DragonFly__)
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#define OS_DRAGONFLY 1
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#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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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(_WIN32)
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#define OS_WIN 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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// 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_DRAGONFLY) || defined(OS_FREEBSD) \
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|| 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 POSIX features, use OS_POSIX instead of a more
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// specific macro.
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#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_BSD) || defined(OS_SOLARIS)
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#define OS_POSIX 1
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#endif
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// Compiler detection.
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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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#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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#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 WCHAR_T_IS_UNSIGNED 1
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#elif defined(__powerpc64__)
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#define ARCH_CPU_PPC64 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__ppc__) || defined(__powerpc__)
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#define ARCH_CPU_PPC 1
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#define ARCH_CPU_32_BITS 1
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#elif defined(__sparc64__)
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#define ARCH_CPU_SPARC 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__sparc__)
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#define ARCH_CPU_SPARC 1
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#define ARCH_CPU_32_BITS 1
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#elif defined(__mips64) && defined(__LP64__)
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#define ARCH_CPU_MIPS 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__mips__)
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#define ARCH_CPU_MIPS 1
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#define ARCH_CPU_32_BITS 1
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#elif defined(__hppa__)
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#define ARCH_CPU_HPPA 1
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#define ARCH_CPU_32_BITS 1
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#elif defined(__ia64__)
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#define ARCH_CPU_IA64 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__s390x__)
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#define ARCH_CPU_S390X 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__s390__)
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#define ARCH_CPU_S390 1
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#define ARCH_CPU_32_BITS 1
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#elif defined(__alpha__)
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#define ARCH_CPU_ALPHA 1
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#define ARCH_CPU_64_BITS 1
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#elif defined(__aarch64__)
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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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#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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#else
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#define WCHAR_T_IS_UTF32
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#endif
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#endif // BUILD_BUILD_CONFIG_H_
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