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