1// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// This file adds defines about the platform we're currently building on. 6// Operating System: 7// OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX) 8// Compiler: 9// COMPILER_MSVC / COMPILER_GCC 10// Processor: 11// ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64) 12// ARCH_CPU_32_BITS / ARCH_CPU_64_BITS 13 14#ifndef BUILD_BUILD_CONFIG_H_ 15#define BUILD_BUILD_CONFIG_H_ 16 17// A set of macros to use for platform detection. 18#if defined(__APPLE__) 19#define OS_MACOSX 1 20#elif defined(__native_client__) 21#define OS_NACL 1 22#elif defined(__linux__) 23#define OS_LINUX 1 24// Use TOOLKIT_GTK on linux if TOOLKIT_VIEWS isn't defined. 25#if !defined(TOOLKIT_VIEWS) 26#define TOOLKIT_GTK 27#endif 28#elif defined(_WIN32) 29#define OS_WIN 1 30#define TOOLKIT_VIEWS 1 31#elif defined(__FreeBSD__) 32#define OS_FREEBSD 1 33#define TOOLKIT_GTK 34#elif defined(__OpenBSD__) 35#define OS_OPENBSD 1 36#define TOOLKIT_GTK 37#elif defined(__sun) 38#define OS_SOLARIS 1 39#define TOOLKIT_GTK 40#else 41#error Please add support for your platform in build/build_config.h 42#endif 43 44// A flag derived from the above flags, used to cover GTK code in 45// both TOOLKIT_GTK and TOOLKIT_VIEWS. 46#if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN)) 47#define TOOLKIT_USES_GTK 1 48#endif 49 50#if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD) || \ 51 defined(OS_SOLARIS) 52 53#if defined(ANDROID) 54#define USE_OPENSSL 1 55#define USE_SYSTEM_ZLIB 1 56#define USE_SYSTEM_SQLITE 1 57#define OS_ANDROID 1 58#endif 59 60#if !defined(USE_OPENSSL) 61#define USE_NSS 1 // Default to use NSS for crypto, unless OpenSSL is chosen. 62#endif 63#if !defined(ANDROID) 64#define USE_X11 1 // Use X for graphics. 65#else 66#undef USE_X11 67#endif 68#endif 69 70#if defined(USE_OPENSSL) && defined(USE_NSS) 71#error Cannot use both OpenSSL and NSS 72#endif 73 74// For access to standard POSIXish features, use OS_POSIX instead of a 75// more specific macro. 76#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ 77 defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_NACL) || \ 78 defined(ANDROID) 79#define OS_POSIX 1 80// Use base::DataPack for name/value pairs. 81#define USE_BASE_DATA_PACK 1 82#endif 83 84// Use tcmalloc 85#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(NO_TCMALLOC) 86#define USE_TCMALLOC 1 87#endif 88 89// Use heapchecker. 90#if defined(OS_LINUX) && !defined(NO_HEAPCHECKER) 91#define USE_HEAPCHECKER 1 92#endif 93 94// Compiler detection. 95#if defined(__GNUC__) 96#define COMPILER_GCC 1 97#elif defined(_MSC_VER) 98#define COMPILER_MSVC 1 99#else 100#error Please add support for your compiler in build/build_config.h 101#endif 102 103// Processor architecture detection. For more info on what's defined, see: 104// http://msdn.microsoft.com/en-us/library/b0084kay.aspx 105// http://www.agner.org/optimize/calling_conventions.pdf 106// or with gcc, run: "echo | gcc -E -dM -" 107#if defined(_M_X64) || defined(__x86_64__) 108#define ARCH_CPU_X86_FAMILY 1 109#define ARCH_CPU_X86_64 1 110#define ARCH_CPU_64_BITS 1 111#elif defined(_M_IX86) || defined(__i386__) 112#define ARCH_CPU_X86_FAMILY 1 113#define ARCH_CPU_X86 1 114#define ARCH_CPU_32_BITS 1 115#elif defined(__ARMEL__) 116#define ARCH_CPU_ARM_FAMILY 1 117#define ARCH_CPU_ARMEL 1 118#define ARCH_CPU_32_BITS 1 119#define WCHAR_T_IS_UNSIGNED 1 120#elif defined(__MIPSEL__) 121#define ARCH_CPU_MIPS_FAMILY 1 122#define ARCH_CPU_MIPSEL 1 123#define ARCH_CPU_32_BITS 1 124#define WCHAR_T_IS_UNSIGNED 0 125#else 126#error Please add support for your architecture in build/build_config.h 127#endif 128 129// Type detection for wchar_t. 130#if defined(OS_WIN) 131#define WCHAR_T_IS_UTF16 132#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 133 defined(__WCHAR_MAX__) && \ 134 (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) 135#define WCHAR_T_IS_UTF32 136#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 137 defined(__WCHAR_MAX__) && \ 138 (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) 139// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to 140// compile in this mode (in particular, Chrome doesn't). This is intended for 141// other projects using base who manage their own dependencies and make sure 142// short wchar works for them. 143#define WCHAR_T_IS_UTF16 144#else 145#error Please add support for your compiler in build/build_config.h 146#endif 147 148#if defined(OS_CHROMEOS) 149// Single define to trigger whether CrOS fonts have BCI on. 150// In that case font sizes/deltas should be adjusted. 151//define CROS_FONTS_USING_BCI 152#endif 153 154#if defined(OS_ANDROID) 155// The compiler thinks std::string::const_iterator and "const char*" are 156// equivalent types. 157#define STD_STRING_ITERATOR_IS_CHAR_POINTER 158// The compiler thinks base::string16::const_iterator and "char16*" are 159// equivalent types. 160#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER 161#endif 162 163#endif // BUILD_BUILD_CONFIG_H_ 164