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159 lines
5.0 KiB
159 lines
5.0 KiB
// Copyright (c) 2012 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) / OS_NACL |
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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(__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 TargetConditions after testing ANDROID as some android builds |
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// on mac don't have this header available and it's not needed unless the target |
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// is really mac/ios. |
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#include <TargetConditionals.h> |
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#define OS_MACOSX 1 |
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
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#define OS_IOS 1 |
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#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
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#elif defined(__linux__) |
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#define OS_LINUX 1 |
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// include a system header to pull in features.h for glibc/uclibc macros. |
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#include <unistd.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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#define TOOLKIT_VIEWS 1 |
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#elif defined(__FreeBSD__) |
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#define OS_FREEBSD 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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#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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#if defined(USE_OPENSSL) && defined(USE_NSS) |
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#error Cannot use both OpenSSL and NSS |
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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_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_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ |
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defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) || \ |
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defined(OS_NACL) || defined(OS_QNX) |
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#define OS_POSIX 1 |
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#endif |
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// Use tcmalloc |
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#if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \ |
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!defined(NO_TCMALLOC) |
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#define USE_TCMALLOC 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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#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(__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__) |
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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__) |
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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_MIPS64_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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#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_POSIX) && defined(COMPILER_GCC) && \ |
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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) && \ |
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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 base::string16::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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