text: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // This file adds defines about the platform we're currently building on.
  //  Operating System:
  //    OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX)
  //  Compiler:
  //    COMPILER_MSVC / COMPILER_GCC
  //  Processor:
  //    ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64)
  //    ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
  
  #ifndef BUILD_BUILD_CONFIG_H_
  #define BUILD_BUILD_CONFIG_H_
  
  // Use Chromium base for setup unittset
  #define USE_CHROMIUM_BASE 1
  
  // A set of macros to use for platform detection.
  #if defined(__APPLE__)
  #define OS_MACOSX 1
  #elif defined(__linux__)
  #define OS_LINUX 1
  // Use TOOLKIT_GTK on linux if TOOLKIT_VIEWS isn't defined.
  #if !defined(TOOLKIT_VIEWS)
  #define TOOLKIT_GTK
  #endif
  #elif defined(_WIN32)
  #define OS_WIN 1
  #define TOOLKIT_VIEWS 1
  #elif defined(__FreeBSD__)
  #define OS_FREEBSD 1
  #define TOOLKIT_GTK
  #else
  #error Please add support for your platform in build/build_config.h
  #endif
  
  // For access to standard POSIXish features, use OS_POSIX instead of a
  // more specific macro.
  #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD)
  #define OS_POSIX 1
  #endif
  
  // Use base::DataPack for name/value pairs.
  #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD)
  #define USE_BASE_DATA_PACK 1
  #endif
  
  // Use NSS for crypto.
  #if defined(OS_LINUX) || defined(OS_FREEBSD)
  #define USE_NSS 1
  #endif
  
  // Use X11 (and hence GTK/GDK)
  #if defined(OS_LINUX) || defined(OS_FREEBSD)
  #define USE_X11 1
  #endif
  
  // Compiler detection.
  #if defined(__GNUC__)
  #define COMPILER_GCC 1
  #elif defined(_MSC_VER)
  #define COMPILER_MSVC 1
  #else
  #error Please add support for your compiler in build/build_config.h
  #endif
  
  // Processor architecture detection.  For more info on what's defined, see:
  //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
  //   http://www.agner.org/optimize/calling_conventions.pdf
  //   or with gcc, run: "echo | gcc -E -dM -"
  #if defined(_M_X64) || defined(__x86_64__)
  #define ARCH_CPU_X86_FAMILY 1
  #define ARCH_CPU_X86_64 1
  #define ARCH_CPU_64_BITS 1
  #elif defined(_M_IX86) || defined(__i386__)
  #define ARCH_CPU_X86_FAMILY 1
  #define ARCH_CPU_X86 1
  #define ARCH_CPU_32_BITS 1
  #elif defined(__ARMEL__)
  #define ARCH_CPU_ARM_FAMILY 1
  #define ARCH_CPU_ARMEL 1
  #define ARCH_CPU_32_BITS 1
  #define WCHAR_T_IS_UNSIGNED 1
  #else
  #error Please add support for your architecture in build/build_config.h
  #endif
  
  // Type detection for wchar_t.
  #if defined(OS_WIN)
  #define WCHAR_T_IS_UTF16
  #elif defined(OS_POSIX) && defined(COMPILER_GCC) &&     defined(__WCHAR_MAX__) &&     (__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
  #define WCHAR_T_IS_UTF32
  #else
  #error Please add support for your compiler in build/build_config.h
  #endif
  
  #endif  // BUILD_BUILD_CONFIG_H_
  