Vitaly Buka | cbed206 | 2015-08-17 12:54:05 -0700 | [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 | // OS_NACL (NACL_SFI or NACL_NONSFI) / OS_NACL_SFI / OS_NACL_NONSFI |
| 9 | // Compiler: |
| 10 | // COMPILER_MSVC / COMPILER_GCC |
| 11 | // Processor: |
| 12 | // ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64) |
| 13 | // ARCH_CPU_32_BITS / ARCH_CPU_64_BITS |
| 14 | |
Vitaly Buka | 8750b27 | 2015-08-18 18:39:08 -0700 | [diff] [blame] | 15 | #ifndef BASE_BUILD_BUILD_CONFIG_H_ |
| 16 | #define BASE_BUILD_BUILD_CONFIG_H_ |
Vitaly Buka | cbed206 | 2015-08-17 12:54:05 -0700 | [diff] [blame] | 17 | |
| 18 | // Add Brillo-specific defines. |
| 19 | #if defined(__BRILLO__) |
| 20 | #define __linux__ 1 |
| 21 | #define NO_TCMALLOC |
| 22 | // Unset ANDROID, which is just used for building Chrome on Android. |
| 23 | #undef ANDROID |
| 24 | |
| 25 | #if defined(__BIONIC__) |
| 26 | #define __UCLIBC__ 1 |
| 27 | #define OS_CHROMEOS 1 |
| 28 | #endif // __BIONIC__ |
| 29 | |
| 30 | #endif |
| 31 | |
| 32 | // A set of macros to use for platform detection. |
| 33 | #if defined(__native_client__) |
| 34 | // __native_client__ must be first, so that other OS_ defines are not set. |
| 35 | #define OS_NACL 1 |
| 36 | // OS_NACL comes in two sandboxing technology flavors, SFI or Non-SFI. |
| 37 | // PNaCl toolchain defines __native_client_nonsfi__ macro in Non-SFI build |
| 38 | // mode, while it does not in SFI build mode. |
| 39 | #if defined(__native_client_nonsfi__) |
| 40 | #define OS_NACL_NONSFI |
| 41 | #else |
| 42 | #define OS_NACL_SFI |
| 43 | #endif |
| 44 | #elif defined(ANDROID) |
| 45 | #define OS_ANDROID 1 |
| 46 | #elif defined(__APPLE__) |
| 47 | // only include TargetConditions after testing ANDROID as some android builds |
| 48 | // on mac don't have this header available and it's not needed unless the target |
| 49 | // is really mac/ios. |
| 50 | #include <TargetConditionals.h> |
| 51 | #define OS_MACOSX 1 |
| 52 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
| 53 | #define OS_IOS 1 |
| 54 | #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
| 55 | #elif defined(__linux__) |
| 56 | #define OS_LINUX 1 |
| 57 | // include a system header to pull in features.h for glibc/uclibc macros. |
| 58 | #include <unistd.h> |
| 59 | #if defined(__GLIBC__) && !defined(__UCLIBC__) |
| 60 | // we really are using glibc, not uClibc pretending to be glibc |
| 61 | #define LIBC_GLIBC 1 |
| 62 | #endif |
| 63 | #elif defined(_WIN32) |
| 64 | #define OS_WIN 1 |
| 65 | #define TOOLKIT_VIEWS 1 |
| 66 | #elif defined(__FreeBSD__) |
| 67 | #define OS_FREEBSD 1 |
| 68 | #elif defined(__OpenBSD__) |
| 69 | #define OS_OPENBSD 1 |
| 70 | #elif defined(__sun) |
| 71 | #define OS_SOLARIS 1 |
| 72 | #elif defined(__QNXNTO__) |
| 73 | #define OS_QNX 1 |
| 74 | #else |
| 75 | #error Please add support for your platform in build/build_config.h |
| 76 | #endif |
| 77 | |
| 78 | #if defined(USE_OPENSSL) && defined(USE_NSS) |
| 79 | #error Cannot use both OpenSSL and NSS |
| 80 | #endif |
| 81 | |
| 82 | // For access to standard BSD features, use OS_BSD instead of a |
| 83 | // more specific macro. |
| 84 | #if defined(OS_FREEBSD) || defined(OS_OPENBSD) |
| 85 | #define OS_BSD 1 |
| 86 | #endif |
| 87 | |
| 88 | // For access to standard POSIXish features, use OS_POSIX instead of a |
| 89 | // more specific macro. |
| 90 | #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ |
| 91 | defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) || \ |
| 92 | defined(OS_NACL) || defined(OS_QNX) |
| 93 | #define OS_POSIX 1 |
| 94 | #endif |
| 95 | |
| 96 | // Use tcmalloc |
| 97 | #if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \ |
| 98 | !defined(NO_TCMALLOC) |
| 99 | #define USE_TCMALLOC 1 |
| 100 | #endif |
| 101 | |
| 102 | // Compiler detection. |
| 103 | #if defined(__GNUC__) |
| 104 | #define COMPILER_GCC 1 |
| 105 | #elif defined(_MSC_VER) |
| 106 | #define COMPILER_MSVC 1 |
| 107 | #else |
| 108 | #error Please add support for your compiler in build/build_config.h |
| 109 | #endif |
| 110 | |
| 111 | // Processor architecture detection. For more info on what's defined, see: |
| 112 | // http://msdn.microsoft.com/en-us/library/b0084kay.aspx |
| 113 | // http://www.agner.org/optimize/calling_conventions.pdf |
| 114 | // or with gcc, run: "echo | gcc -E -dM -" |
| 115 | #if defined(_M_X64) || defined(__x86_64__) |
| 116 | #define ARCH_CPU_X86_FAMILY 1 |
| 117 | #define ARCH_CPU_X86_64 1 |
| 118 | #define ARCH_CPU_64_BITS 1 |
| 119 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 120 | #elif defined(_M_IX86) || defined(__i386__) |
| 121 | #define ARCH_CPU_X86_FAMILY 1 |
| 122 | #define ARCH_CPU_X86 1 |
| 123 | #define ARCH_CPU_32_BITS 1 |
| 124 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 125 | #elif defined(__ARMEL__) |
| 126 | #define ARCH_CPU_ARM_FAMILY 1 |
| 127 | #define ARCH_CPU_ARMEL 1 |
| 128 | #define ARCH_CPU_32_BITS 1 |
| 129 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 130 | #elif defined(__aarch64__) |
| 131 | #define ARCH_CPU_ARM_FAMILY 1 |
| 132 | #define ARCH_CPU_ARM64 1 |
| 133 | #define ARCH_CPU_64_BITS 1 |
| 134 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 135 | #elif defined(__pnacl__) |
| 136 | #define ARCH_CPU_32_BITS 1 |
| 137 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 138 | #elif defined(__MIPSEL__) |
| 139 | #if defined(__LP64__) |
| 140 | #define ARCH_CPU_MIPS64_FAMILY 1 |
| 141 | #define ARCH_CPU_MIPS64EL 1 |
| 142 | #define ARCH_CPU_64_BITS 1 |
| 143 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 144 | #else |
| 145 | #define ARCH_CPU_MIPS_FAMILY 1 |
| 146 | #define ARCH_CPU_MIPSEL 1 |
| 147 | #define ARCH_CPU_32_BITS 1 |
| 148 | #define ARCH_CPU_LITTLE_ENDIAN 1 |
| 149 | #endif |
| 150 | #else |
| 151 | #error Please add support for your architecture in build/build_config.h |
| 152 | #endif |
| 153 | |
Vitaly Buka | cbed206 | 2015-08-17 12:54:05 -0700 | [diff] [blame] | 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 | |
Vitaly Buka | 8750b27 | 2015-08-18 18:39:08 -0700 | [diff] [blame] | 163 | #endif // BASE_BUILD_BUILD_CONFIG_H_ |