third_party/cld/base/build_config.h

   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 // A set of macros to use for platform detection.
  18 #if defined(__APPLE__)
  19 #define OS_MACOSX 1
  20 #elif defined(ANDROID)
  21 #define OS_ANDROID 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 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD) || \
  45     defined(OS_ANDROID)
  46 #define USE_NSS 1  // Use NSS for crypto.
  47 #ifndef OS_ANDROID
  48 #define USE_X11 1  // Use X for graphics.
  49 #endif
  50 #endif
  51
  52 // For access to standard POSIXish features, use OS_POSIX instead of a
  53 // more specific macro.
  54 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \
  55     defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID)
  56 #define OS_POSIX 1
  57 // Use base::DataPack for name/value pairs.
  58 #define USE_BASE_DATA_PACK 1
  59 #endif
  60
  61 // Use tcmalloc
  62 #if defined(OS_WIN) && ! defined(NO_TCMALLOC)
  63 #define USE_TCMALLOC 1
  64 #endif
  65
  66 // Compiler detection.
  67 #if defined(__GNUC__)
  68 #define COMPILER_GCC 1
  69 #elif defined(_MSC_VER)
  70 #define COMPILER_MSVC 1
  71 #else
  72 #error Please add support for your compiler in build/build_config.h
  73 #endif
  74
  75 // Processor architecture detection.  For more info on what's defined, see:
  76 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
  77 //   http://www.agner.org/optimize/calling_conventions.pdf
  78 //   or with gcc, run: "echo | gcc -E -dM -"
  79 #if defined(_M_X64) || defined(__x86_64__)
  80 #define ARCH_CPU_X86_FAMILY 1
  81 #define ARCH_CPU_X86_64 1
  82 #define ARCH_CPU_64_BITS 1
  83 #elif defined(_M_IX86) || defined(__i386__)
  84 #define ARCH_CPU_X86_FAMILY 1
  85 #define ARCH_CPU_X86 1
  86 #define ARCH_CPU_32_BITS 1
  87 #elif defined(__ARMEL__)
  88 #define ARCH_CPU_ARM_FAMILY 1
  89 #define ARCH_CPU_ARMEL 1
  90 #define ARCH_CPU_32_BITS 1
  91 #define WCHAR_T_IS_UNSIGNED 1
  92 #elif defined(__aarch64__)
  93 #define ARCH_CPU_ARM_FAMILY 1
  94 #define ARCH_CPU_ARM64 1
  95 #define ARCH_CPU_64_BITS 1
  96 #define WCHAR_T_IS_UNSIGNED 1
  97 #elif defined(__MIPSEL__)
  98 #define ARCH_CPU_MIPS_FAMILY 1
  99 #define ARCH_CPU_MIPSEL 1
 100 #define ARCH_CPU_32_BITS 1
 101 #define WCHAR_T_IS_UNSIGNED 0
 102 #else
 103 #error Please add support for your architecture in build/build_config.h
 104 #endif
 105
 106 // Type detection for wchar_t.
 107 #if defined(OS_WIN)
 108 #define WCHAR_T_IS_UTF16
 109 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
 110     defined(__WCHAR_MAX__) && \
 111     (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
 112 #define WCHAR_T_IS_UTF32
 113 #elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
 114     defined(__WCHAR_MAX__) && \
 115     (__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
 116 // On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
 117 // compile in this mode (in particular, Chrome doesn't). This is intended for
 118 // other projects using base who manage their own dependencies and make sure
 119 // short wchar works for them.
 120 #define WCHAR_T_IS_UTF16
 121 #else
 122 #error Please add support for your compiler in build/build_config.h
 123 #endif
 124
 125 #endif  // BUILD_BUILD_CONFIG_H_