| // Copyright 2008, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // 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_ |
| |
| // A set of macros to use for platform detection. |
| #if defined(__APPLE__) |
| #define OS_MACOSX 1 |
| #elif defined(__linux__) |
| #define OS_LINUX 1 |
| #elif defined(WIN32) |
| #define OS_WIN 1 |
| #else |
| #error Please add support for your platform in build/build_config.h |
| #endif |
| |
| // For access to standard POSIX features, use OS_POSIX instead of a more |
| // specific macro. |
| #if defined(OS_MACOSX) || defined(OS_LINUX) |
| #define OS_POSIX 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 |
| #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 |
| #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 |
| #define WCHAR_T_IS_UTF32 |
| #else |
| #error Please add support for your compiler in build/build_config.h |
| #endif |
| |
| #endif // BUILD_BUILD_CONFIG_H_ |