1 // Copyright (c) 2012 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(ANDROID) 21 #define OS_ANDROID 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 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD) || \ 45 defined(OS_ANDROID) 46 #define USE_NSS 1 // Use NSS for crypto. 47 #ifndef OS_ANDROID 48 #define USE_X11 1 // Use X for graphics. 49 #endif 50 #endif 51 52 // For access to standard POSIXish features, use OS_POSIX instead of a 53 // more specific macro. 54 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ 55 defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) 56 #define OS_POSIX 1 57 // Use base::DataPack for name/value pairs. 58 #define USE_BASE_DATA_PACK 1 59 #endif 60 61 // Use tcmalloc 62 #if defined(OS_WIN) && ! defined(NO_TCMALLOC) 63 #define USE_TCMALLOC 1 64 #endif 65 66 // Compiler detection. 67 #if defined(__GNUC__) 68 #define COMPILER_GCC 1 69 #elif defined(_MSC_VER) 70 #define COMPILER_MSVC 1 71 #else 72 #error Please add support for your compiler in build/build_config.h 73 #endif 74 75 // Processor architecture detection. For more info on what's defined, see: 76 // http://msdn.microsoft.com/en-us/library/b0084kay.aspx 77 // http://www.agner.org/optimize/calling_conventions.pdf 78 // or with gcc, run: "echo | gcc -E -dM -" 79 #if defined(_M_X64) || defined(__x86_64__) 80 #define ARCH_CPU_X86_FAMILY 1 81 #define ARCH_CPU_X86_64 1 82 #define ARCH_CPU_64_BITS 1 83 #elif defined(_M_IX86) || defined(__i386__) 84 #define ARCH_CPU_X86_FAMILY 1 85 #define ARCH_CPU_X86 1 86 #define ARCH_CPU_32_BITS 1 87 #elif defined(__ARMEL__) 88 #define ARCH_CPU_ARM_FAMILY 1 89 #define ARCH_CPU_ARMEL 1 90 #define ARCH_CPU_32_BITS 1 91 #define WCHAR_T_IS_UNSIGNED 1 92 #elif defined(__MIPSEL__) 93 #define ARCH_CPU_MIPS_FAMILY 1 94 #define ARCH_CPU_MIPSEL 1 95 #define ARCH_CPU_32_BITS 1 96 #define WCHAR_T_IS_UNSIGNED 0 97 #else 98 #error Please add support for your architecture in build/build_config.h 99 #endif 100 101 // Type detection for wchar_t. 102 #if defined(OS_WIN) 103 #define WCHAR_T_IS_UTF16 104 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 105 defined(__WCHAR_MAX__) && \ 106 (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) 107 #define WCHAR_T_IS_UTF32 108 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ 109 defined(__WCHAR_MAX__) && \ 110 (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) 111 // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to 112 // compile in this mode (in particular, Chrome doesn't). This is intended for 113 // other projects using base who manage their own dependencies and make sure 114 // short wchar works for them. 115 #define WCHAR_T_IS_UTF16 116 #else 117 #error Please add support for your compiler in build/build_config.h 118 #endif 119 120 #endif // BUILD_BUILD_CONFIG_H_ 121
