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(__linux__) 21 #define OS_LINUX 1 22 // Use TOOLKIT_GTK on linux if TOOLKIT_VIEWS isn't defined. 23 #if !defined(TOOLKIT_VIEWS) 24 #define TOOLKIT_GTK 25 #endif 26 #elif defined(_WIN32) 27 #define OS_WIN 1 28 #define TOOLKIT_VIEWS 1 29 #elif defined(__FreeBSD__) 30 #define OS_FREEBSD 1 31 #define TOOLKIT_GTK 32 #elif defined(__OpenBSD__) 33 #define OS_OPENBSD 1 34 #define TOOLKIT_GTK 35 #else 36 #error Please add support for your platform in build/build_config.h 37 #endif 38 39 // A flag derived from the above flags, used to cover GTK code in 40 // both TOOLKIT_GTK and TOOLKIT_VIEWS. 41 #if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN)) 42 #define TOOLKIT_USES_GTK 1 43 #endif 44 45 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD) 46 #define USE_NSS 1 // Use NSS for crypto. 47 #define USE_X11 1 // Use X for graphics. 48 #endif 49 50 // For access to standard POSIXish features, use OS_POSIX instead of a 51 // more specific macro. 52 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ 53 defined(OS_OPENBSD) 54 #define OS_POSIX 1 55 // Use base::DataPack for name/value pairs. 56 #define USE_BASE_DATA_PACK 1 57 #endif 58 59 // Use tcmalloc 60 #if defined(OS_WIN) && !defined(NO_TCMALLOC) 61 #define USE_TCMALLOC 1 62 #endif 63 64 // Compiler detection. 65 #if defined(__GNUC__) 66 #define COMPILER_GCC 1 67 #elif defined(_MSC_VER) 68 #define COMPILER_MSVC 1 69 #else 70 #error Please add support for your compiler in build/build_config.h 71 #endif 72 73 // Processor architecture detection. For more info on what's defined, see: 74 // http://msdn.microsoft.com/en-us/library/b0084kay.aspx 75 // http://www.agner.org/optimize/calling_conventions.pdf 76 // or with gcc, run: "echo | gcc -E -dM -" 77 #if defined(_M_X64) || defined(__x86_64__) 78 #define ARCH_CPU_X86_FAMILY 1 79 #define ARCH_CPU_X86_64 1 80 #define ARCH_CPU_64_BITS 1 81 #elif defined(_M_IX86) || defined(__i386__) 82 #define ARCH_CPU_X86_FAMILY 1 83 #define ARCH_CPU_X86 1 84 #define ARCH_CPU_32_BITS 1 85 #elif defined(__ARMEL__) 86 #define ARCH_CPU_ARM_FAMILY 1 87 #define ARCH_CPU_ARMEL 1 88 #define ARCH_CPU_32_BITS 1 89 #define WCHAR_T_IS_UNSIGNED 1 90 #else 91 #error Please add support for your architecture in build/build_config.h 92 #endif 93 94 // Type detection for wchar_t. 95 #if defined(OS_WIN) 96 #define WCHAR_T_IS_UTF16 97 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 98 defined(__WCHAR_MAX__) && \ 99 (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) 100 #define WCHAR_T_IS_UTF32 101 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 102 defined(__WCHAR_MAX__) && \ 103 (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) 104 // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to 105 // compile in this mode (in particular, Chrome doesn't). This is intended for 106 // other projects using base who manage their own dependencies and make sure 107 // short wchar works for them. 108 #define WCHAR_T_IS_UTF16 109 #else 110 #error Please add support for your compiler in build/build_config.h 111 #endif 112 113 #endif // BUILD_BUILD_CONFIG_H_ 114
