Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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. |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 22 | #if defined(ANDROID) |
| 23 | #define OS_ANDROID 1 |
| 24 | #elif defined(__APPLE__) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 25 | #define OS_MACOSX 1 |
| 26 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
| 27 | #define OS_IOS 1 |
| 28 | #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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. |
Torne (Richard Coles) | 8bcbed8 | 2013-10-22 16:41:35 +0100 | [diff] [blame] | 34 | #if !defined(TOOLKIT_VIEWS) && defined(USE_X11) && !defined(USE_AURA) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 35 | #define TOOLKIT_GTK |
| 36 | #endif |
Torne (Richard Coles) | 90dce4d | 2013-05-29 14:40:03 +0100 | [diff] [blame] | 37 | #if defined(__GLIBC__) && !defined(__UCLIBC__) |
| 38 | // we really are using glibc, not uClibc pretending to be glibc |
| 39 | #define LIBC_GLIBC |
| 40 | #endif |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 41 | #elif defined(_WIN32) |
| 42 | #define OS_WIN 1 |
| 43 | #define TOOLKIT_VIEWS 1 |
| 44 | #elif defined(__FreeBSD__) |
| 45 | #define OS_FREEBSD 1 |
| 46 | #define TOOLKIT_GTK |
| 47 | #elif defined(__OpenBSD__) |
| 48 | #define OS_OPENBSD 1 |
| 49 | #define TOOLKIT_GTK |
| 50 | #elif defined(__sun) |
| 51 | #define OS_SOLARIS 1 |
| 52 | #define TOOLKIT_GTK |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame^] | 53 | #elif defined(__QNXNTO__) |
| 54 | #define OS_QNX 1 |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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_FREEBSD) || defined(OS_OPENBSD) |
| 66 | #define OS_BSD 1 |
| 67 | #endif |
| 68 | |
| 69 | // For access to standard POSIXish features, use OS_POSIX instead of a |
| 70 | // more specific macro. |
| 71 | #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ |
| 72 | defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) || \ |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame^] | 73 | defined(OS_NACL) || defined(OS_QNX) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 74 | #define OS_POSIX 1 |
| 75 | #endif |
| 76 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 77 | // Use tcmalloc |
Torne (Richard Coles) | 90dce4d | 2013-05-29 14:40:03 +0100 | [diff] [blame] | 78 | #if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \ |
| 79 | !defined(NO_TCMALLOC) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 80 | #define USE_TCMALLOC 1 |
| 81 | #endif |
| 82 | |
| 83 | // Compiler detection. |
| 84 | #if defined(__GNUC__) |
| 85 | #define COMPILER_GCC 1 |
| 86 | #elif defined(_MSC_VER) |
| 87 | #define COMPILER_MSVC 1 |
| 88 | #else |
| 89 | #error Please add support for your compiler in build/build_config.h |
| 90 | #endif |
| 91 | |
| 92 | // Processor architecture detection. For more info on what's defined, see: |
| 93 | // http://msdn.microsoft.com/en-us/library/b0084kay.aspx |
| 94 | // http://www.agner.org/optimize/calling_conventions.pdf |
| 95 | // or with gcc, run: "echo | gcc -E -dM -" |
| 96 | #if defined(_M_X64) || defined(__x86_64__) |
| 97 | #define ARCH_CPU_X86_FAMILY 1 |
| 98 | #define ARCH_CPU_X86_64 1 |
| 99 | #define ARCH_CPU_64_BITS 1 |
| 100 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 101 | #elif defined(_M_IX86) || defined(__i386__) |
| 102 | #define ARCH_CPU_X86_FAMILY 1 |
| 103 | #define ARCH_CPU_X86 1 |
| 104 | #define ARCH_CPU_32_BITS 1 |
| 105 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 106 | #elif defined(__ARMEL__) |
| 107 | #define ARCH_CPU_ARM_FAMILY 1 |
| 108 | #define ARCH_CPU_ARMEL 1 |
| 109 | #define ARCH_CPU_32_BITS 1 |
| 110 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
Torne (Richard Coles) | 5d1f7b1 | 2014-02-21 12:16:55 +0000 | [diff] [blame^] | 111 | #elif defined(__arm64__) |
| 112 | #define ARCH_CPU_ARM_FAMILY 1 |
| 113 | #define ARCH_CPU_ARM64 1 |
| 114 | #define ARCH_CPU_64_BITS 1 |
| 115 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 116 | #elif defined(__pnacl__) |
| 117 | #define ARCH_CPU_32_BITS 1 |
Torne (Richard Coles) | a3f6a49 | 2013-12-18 16:25:09 +0000 | [diff] [blame] | 118 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 119 | #elif defined(__MIPSEL__) |
| 120 | #define ARCH_CPU_MIPS_FAMILY 1 |
| 121 | #define ARCH_CPU_MIPSEL 1 |
| 122 | #define ARCH_CPU_32_BITS 1 |
| 123 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 124 | #else |
| 125 | #error Please add support for your architecture in build/build_config.h |
| 126 | #endif |
| 127 | |
| 128 | // Type detection for wchar_t. |
| 129 | #if defined(OS_WIN) |
| 130 | #define WCHAR_T_IS_UTF16 |
| 131 | #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ |
| 132 | defined(__WCHAR_MAX__) && \ |
| 133 | (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff) |
| 134 | #define WCHAR_T_IS_UTF32 |
| 135 | #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \ |
| 136 | defined(__WCHAR_MAX__) && \ |
| 137 | (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff) |
| 138 | // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to |
| 139 | // compile in this mode (in particular, Chrome doesn't). This is intended for |
| 140 | // other projects using base who manage their own dependencies and make sure |
| 141 | // short wchar works for them. |
| 142 | #define WCHAR_T_IS_UTF16 |
| 143 | #else |
| 144 | #error Please add support for your compiler in build/build_config.h |
| 145 | #endif |
| 146 | |
| 147 | #if defined(__ARMEL__) && !defined(OS_IOS) |
| 148 | #define WCHAR_T_IS_UNSIGNED 1 |
| 149 | #elif defined(__MIPSEL__) |
| 150 | #define WCHAR_T_IS_UNSIGNED 0 |
| 151 | #endif |
| 152 | |
| 153 | #if defined(OS_ANDROID) |
| 154 | // The compiler thinks std::string::const_iterator and "const char*" are |
| 155 | // equivalent types. |
| 156 | #define STD_STRING_ITERATOR_IS_CHAR_POINTER |
| 157 | // The compiler thinks base::string16::const_iterator and "char16*" are |
| 158 | // equivalent types. |
| 159 | #define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER |
| 160 | #endif |
| 161 | |
| 162 | #endif // BUILD_BUILD_CONFIG_H_ |