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comparison: media/webrtc/trunk/build/build_config.h
media/webrtc/trunk/build/build_config.h
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| 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 #if defined(__APPLE__) | |
| 18 #include <TargetConditionals.h> | |
| 19 #endif | |
| 20 | |
| 21 // A set of macros to use for platform detection. | |
| 22 #if defined(__APPLE__) | |
| 23 #define OS_MACOSX 1 | |
| 24 #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
| 25 #define OS_IOS 1 | |
| 26 #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
| 27 #elif defined(ANDROID) | |
| 28 #define OS_ANDROID 1 | |
| 29 #elif defined(__native_client__) | |
| 30 #define OS_NACL 1 | |
| 31 #elif defined(__linux__) | |
| 32 #define OS_LINUX 1 | |
| 33 // Use TOOLKIT_GTK on linux if TOOLKIT_VIEWS isn't defined. | |
| 34 #if !defined(TOOLKIT_VIEWS) | |
| 35 #define TOOLKIT_GTK | |
| 36 #endif | |
| 37 #elif defined(_WIN32) | |
| 38 #define OS_WIN 1 | |
| 39 #define TOOLKIT_VIEWS 1 | |
| 40 #elif defined(__DragonFly__) | |
| 41 #define OS_DRAGONFLY 1 | |
| 42 #define TOOLKIT_GTK | |
| 43 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) | |
| 44 #define OS_FREEBSD 1 | |
| 45 #define TOOLKIT_GTK | |
| 46 #elif defined(__NetBSD__) | |
| 47 #define OS_NETBSD 1 | |
| 48 #define TOOLKIT_GTK | |
| 49 #elif defined(__OpenBSD__) | |
| 50 #define OS_OPENBSD 1 | |
| 51 #define TOOLKIT_GTK | |
| 52 #elif defined(__sun) | |
| 53 #define OS_SOLARIS 1 | |
| 54 #define TOOLKIT_GTK | |
| 55 #else | |
| 56 #error Please add support for your platform in build/build_config.h | |
| 57 #endif | |
| 58 | |
| 59 #if defined(USE_OPENSSL) && defined(USE_NSS) | |
| 60 #error Cannot use both OpenSSL and NSS | |
| 61 #endif | |
| 62 | |
| 63 // For access to standard BSD features, use OS_BSD instead of a | |
| 64 // more specific macro. | |
| 65 #if defined(OS_DRAGONFLY) || defined(OS_FREEBSD) \ | |
| 66 || defined(OS_NETBSD) || defined(OS_OPENBSD) | |
| 67 #define OS_BSD 1 | |
| 68 #endif | |
| 69 | |
| 70 // For access to standard POSIXish features, use OS_POSIX instead of a | |
| 71 // more specific macro. | |
| 72 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_BSD) || \ | |
| 73 defined(OS_SOLARIS) || defined(OS_ANDROID) || defined(OS_NACL) | |
| 74 #define OS_POSIX 1 | |
| 75 #endif | |
| 76 | |
| 77 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID) && \ | |
| 78 !defined(OS_NACL) | |
| 79 #define USE_X11 1 // Use X for graphics. | |
| 80 #endif | |
| 81 | |
| 82 // Use tcmalloc | |
| 83 #if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(NO_TCMALLOC) | |
| 84 #define USE_TCMALLOC 1 | |
| 85 #endif | |
| 86 | |
| 87 // Compiler detection. | |
| 88 #if defined(__GNUC__) | |
| 89 #define COMPILER_GCC 1 | |
| 90 #elif defined(_MSC_VER) | |
| 91 #define COMPILER_MSVC 1 | |
| 92 #else | |
| 93 #error Please add support for your compiler in build/build_config.h | |
| 94 #endif | |
| 95 | |
| 96 // Processor architecture detection. For more info on what's defined, see: | |
| 97 // http://msdn.microsoft.com/en-us/library/b0084kay.aspx | |
| 98 // http://www.agner.org/optimize/calling_conventions.pdf | |
| 99 // or with gcc, run: "echo | gcc -E -dM -" | |
| 100 #if defined(_M_X64) || defined(__x86_64__) | |
| 101 #define ARCH_CPU_X86_FAMILY 1 | |
| 102 #define ARCH_CPU_X86_64 1 | |
| 103 #define ARCH_CPU_64_BITS 1 | |
| 104 #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| 105 #elif defined(_M_IX86) || defined(__i386__) | |
| 106 #define ARCH_CPU_X86_FAMILY 1 | |
| 107 #define ARCH_CPU_X86 1 | |
| 108 #define ARCH_CPU_32_BITS 1 | |
| 109 #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| 110 #elif defined(__ARMEL__) | |
| 111 #define ARCH_CPU_ARM_FAMILY 1 | |
| 112 #define ARCH_CPU_ARMEL 1 | |
| 113 #define ARCH_CPU_32_BITS 1 | |
| 114 #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| 115 #elif defined(__pnacl__) | |
| 116 #define ARCH_CPU_32_BITS 1 | |
| 117 #elif defined(__MIPSEL__) | |
| 118 #define ARCH_CPU_MIPS_FAMILY 1 | |
| 119 #define ARCH_CPU_MIPSEL 1 | |
| 120 #define ARCH_CPU_32_BITS 1 | |
| 121 #define ARCH_CPU_LITTLE_ENDIAN 1 | |
| 122 #elif defined(__powerpc64__) | |
| 123 #define ARCH_CPU_PPC_FAMILY 1 | |
| 124 #define ARCH_CPU_PPC64 1 | |
| 125 #define ARCH_CPU_64_BITS 1 | |
| 126 #define ARCH_CPU_BIG_ENDIAN 1 | |
| 127 #elif defined(__ppc__) || defined(__powerpc__) | |
| 128 #define ARCH_CPU_PPC_FAMILY 1 | |
| 129 #define ARCH_CPU_PPC 1 | |
| 130 #define ARCH_CPU_32_BITS 1 | |
| 131 #define ARCH_CPU_BIG_ENDIAN 1 | |
| 132 #elif defined(__sparc64__) | |
| 133 #define ARCH_CPU_SPARC_FAMILY 1 | |
| 134 #define ARCH_CPU_SPARC 1 | |
| 135 #define ARCH_CPU_64_BITS 1 | |
| 136 #elif defined(__sparc__) | |
| 137 #define ARCH_CPU_SPARC_FAMILY 1 | |
| 138 #define ARCH_CPU_SPARC 1 | |
| 139 #define ARCH_CPU_32_BITS 1 | |
| 140 #elif defined(__mips__) | |
| 141 #define ARCH_CPU_MIPS_FAMILY 1 | |
| 142 #define ARCH_CPU_MIPS 1 | |
| 143 #define ARCH_CPU_32_BITS 1 | |
| 144 #elif defined(__hppa__) | |
| 145 #define ARCH_CPU_HPPA 1 | |
| 146 #define ARCH_CPU_32_BITS 1 | |
| 147 #elif defined(__ia64__) | |
| 148 #define ARCH_CPU_IA64 1 | |
| 149 #define ARCH_CPU_64_BITS 1 | |
| 150 #elif defined(__s390x__) | |
| 151 #define ARCH_CPU_S390X 1 | |
| 152 #define ARCH_CPU_64_BITS 1 | |
| 153 #elif defined(__s390__) | |
| 154 #define ARCH_CPU_S390 1 | |
| 155 #define ARCH_CPU_32_BITS 1 | |
| 156 #elif defined(__alpha__) | |
| 157 #define ARCH_CPU_ALPHA 1 | |
| 158 #define ARCH_CPU_64_BITS 1 | |
| 159 #else | |
| 160 #error Please add support for your architecture in build/build_config.h | |
| 161 #endif | |
| 162 | |
| 163 // Type detection for wchar_t. | |
| 164 #if defined(OS_WIN) | |
| 165 #define WCHAR_T_IS_UTF16 | |
| 166 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ | |
| 167 defined(__WCHAR_MAX__) && \ | |
| 168 (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) | |
| 169 #define WCHAR_T_IS_UTF32 | |
| 170 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ | |
| 171 defined(__WCHAR_MAX__) && \ | |
| 172 (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) | |
| 173 // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to | |
| 174 // compile in this mode (in particular, Chrome doesn't). This is intended for | |
| 175 // other projects using base who manage their own dependencies and make sure | |
| 176 // short wchar works for them. | |
| 177 #define WCHAR_T_IS_UTF16 | |
| 178 #else | |
| 179 #error Please add support for your compiler in build/build_config.h | |
| 180 #endif | |
| 181 | |
| 182 #if defined(__ARMEL__) && !defined(OS_IOS) | |
| 183 #define WCHAR_T_IS_UNSIGNED 1 | |
| 184 #elif defined(__MIPSEL__) | |
| 185 #define WCHAR_T_IS_UNSIGNED 0 | |
| 186 #endif | |
| 187 | |
| 188 #if defined(OS_ANDROID) | |
| 189 // The compiler thinks std::string::const_iterator and "const char*" are | |
| 190 // equivalent types. | |
| 191 #define STD_STRING_ITERATOR_IS_CHAR_POINTER | |
| 192 // The compiler thinks base::string16::const_iterator and "char16*" are | |
| 193 // equivalent types. | |
| 194 #define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER | |
| 195 #endif | |
| 196 | |
| 197 #endif // BUILD_BUILD_CONFIG_H_ |
