The Tor Browser: security/sandbox/build/build

     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.

     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

    14 #ifndef BUILD_BUILD_CONFIG_H_

    15 #define BUILD_BUILD_CONFIG_H_

    17 #if defined(__APPLE__)

    18 #include <TargetConditionals.h>

    19 #endif

    21 // A set of macros to use for platform detection.

    22 #if defined(ANDROID)

    23 #define OS_ANDROID 1

    24 #elif defined(__APPLE__)

    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

    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) && defined(USE_X11)

    35 #define TOOLKIT_GTK

    36 #endif

    37 #if defined(__GLIBC__) && !defined(__UCLIBC__)

    38 // we really are using glibc, not uClibc pretending to be glibc

    39 #define LIBC_GLIBC

    40 #endif

    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

    53 #else

    54 #error Please add support for your platform in build/build_config.h

    55 #endif

    57 #if defined(USE_OPENSSL) && defined(USE_NSS)

    58 #error Cannot use both OpenSSL and NSS

    59 #endif

    61 // For access to standard BSD features, use OS_BSD instead of a

    62 // more specific macro.

    63 #if defined(OS_FREEBSD) || defined(OS_OPENBSD)

    64 #define OS_BSD 1

    65 #endif

    67 // For access to standard POSIXish features, use OS_POSIX instead of a

    68 // more specific macro.

    69 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) ||     \

    70     defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) ||  \

    71     defined(OS_NACL)

    72 #define OS_POSIX 1

    73 #endif

    75 // Use tcmalloc

    76 #if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \

    77     !defined(NO_TCMALLOC)

    78 #define USE_TCMALLOC 1

    79 #endif

    81 // Compiler detection.

    82 #if defined(__GNUC__)

    83 #define COMPILER_GCC 1

    84 #elif defined(_MSC_VER)

    85 #define COMPILER_MSVC 1

    86 #else

    87 #error Please add support for your compiler in build/build_config.h

    88 #endif

    90 // Processor architecture detection.  For more info on what's defined, see:

    91 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx

    92 //   http://www.agner.org/optimize/calling_conventions.pdf

    93 //   or with gcc, run: "echo | gcc -E -dM -"

    94 #if defined(_M_X64) || defined(__x86_64__)

    95 #define ARCH_CPU_X86_FAMILY 1

    96 #define ARCH_CPU_X86_64 1

    97 #define ARCH_CPU_64_BITS 1

    98 #define ARCH_CPU_LITTLE_ENDIAN 1

    99 #elif defined(_M_IX86) || defined(__i386__)

   100 #define ARCH_CPU_X86_FAMILY 1

   101 #define ARCH_CPU_X86 1

   102 #define ARCH_CPU_32_BITS 1

   103 #define ARCH_CPU_LITTLE_ENDIAN 1

   104 #elif defined(__ARMEL__)

   105 #define ARCH_CPU_ARM_FAMILY 1

   106 #define ARCH_CPU_ARMEL 1

   107 #define ARCH_CPU_32_BITS 1

   108 #define ARCH_CPU_LITTLE_ENDIAN 1

   109 #elif defined(__pnacl__)

   110 #define ARCH_CPU_32_BITS 1

   111 #elif defined(__MIPSEL__)

   112 #define ARCH_CPU_MIPS_FAMILY 1

   113 #define ARCH_CPU_MIPSEL 1

   114 #define ARCH_CPU_32_BITS 1

   115 #define ARCH_CPU_LITTLE_ENDIAN 1

   116 #else

   117 #error Please add support for your architecture in build/build_config.h

   118 #endif

   120 // Type detection for wchar_t.

   121 #if defined(OS_WIN)

   122 #define WCHAR_T_IS_UTF16

   123 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \

   124     defined(__WCHAR_MAX__) && \

   125     (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)

   126 #define WCHAR_T_IS_UTF32

   127 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \

   128     defined(__WCHAR_MAX__) && \

   129     (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)

   130 // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to

   131 // compile in this mode (in particular, Chrome doesn't). This is intended for

   132 // other projects using base who manage their own dependencies and make sure

   133 // short wchar works for them.

   134 #define WCHAR_T_IS_UTF16

   135 #else

   136 #error Please add support for your compiler in build/build_config.h

   137 #endif

   139 #if defined(__ARMEL__) && !defined(OS_IOS)

   140 #define WCHAR_T_IS_UNSIGNED 1

   141 #elif defined(__MIPSEL__)

   142 #define WCHAR_T_IS_UNSIGNED 0

   143 #endif

   145 #if defined(OS_ANDROID)

   146 // The compiler thinks std::string::const_iterator and "const char*" are

   147 // equivalent types.

   148 #define STD_STRING_ITERATOR_IS_CHAR_POINTER

   149 // The compiler thinks base::string16::const_iterator and "char16*" are

   150 // equivalent types.

   151 #define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER

   152 #endif

   154 #endif  // BUILD_BUILD_CONFIG_H_

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