michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: // This file adds defines about the platform we're currently building on.
michael@0: //  Operating System:
michael@0: //    OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX)
michael@0: //  Compiler:
michael@0: //    COMPILER_MSVC / COMPILER_GCC
michael@0: //  Processor:
michael@0: //    ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64)
michael@0: //    ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
michael@0: 
michael@0: #ifndef BUILD_BUILD_CONFIG_H_
michael@0: #define BUILD_BUILD_CONFIG_H_
michael@0: 
michael@0: // A set of macros to use for platform detection.
michael@0: #if defined(ANDROID)
michael@0: #define OS_ANDROID 1
michael@0: #define OS_LINUX 1
michael@0: #elif defined(__APPLE__)
michael@0: #define OS_MACOSX 1
michael@0: #elif defined(__linux__)
michael@0: #define OS_LINUX 1
michael@0: #elif defined(__DragonFly__)
michael@0: #define OS_DRAGONFLY 1
michael@0: #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
michael@0: #define OS_FREEBSD 1
michael@0: #elif defined(__NetBSD__)
michael@0: #define OS_NETBSD 1
michael@0: #elif defined(__OpenBSD__)
michael@0: #define OS_OPENBSD 1
michael@0: #elif defined(_WIN32)
michael@0: #define OS_WIN 1
michael@0: #else
michael@0: #error Please add support for your platform in build/build_config.h
michael@0: #endif
michael@0: 
michael@0: // For access to standard BSD features, use OS_BSD instead of a
michael@0: // more specific macro.
michael@0: #if defined(OS_DRAGONFLY) || defined(OS_FREEBSD)	\
michael@0:   || defined(OS_NETBSD) || defined(OS_OPENBSD)
michael@0: #define OS_BSD 1
michael@0: #endif
michael@0: 
michael@0: // For access to standard POSIX features, use OS_POSIX instead of a more
michael@0: // specific macro.
michael@0: #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_BSD)
michael@0: #define OS_POSIX 1
michael@0: #endif
michael@0: 
michael@0: // Compiler detection.
michael@0: #if defined(__GNUC__)
michael@0: #define COMPILER_GCC 1
michael@0: #elif defined(_MSC_VER)
michael@0: #define COMPILER_MSVC 1
michael@0: #else
michael@0: #error Please add support for your compiler in build/build_config.h
michael@0: #endif
michael@0: 
michael@0: // Processor architecture detection.  For more info on what's defined, see:
michael@0: //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
michael@0: //   http://www.agner.org/optimize/calling_conventions.pdf
michael@0: //   or with gcc, run: "echo | gcc -E -dM -"
michael@0: #if defined(_M_X64) || defined(__x86_64__)
michael@0: #define ARCH_CPU_X86_FAMILY 1
michael@0: #define ARCH_CPU_X86_64 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(_M_IX86) || defined(__i386__)
michael@0: #define ARCH_CPU_X86_FAMILY 1
michael@0: #define ARCH_CPU_X86 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__ARMEL__)
michael@0: #define ARCH_CPU_ARM_FAMILY 1
michael@0: #define ARCH_CPU_ARMEL 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #define WCHAR_T_IS_UNSIGNED 1
michael@0: #elif defined(__powerpc64__)
michael@0: #define ARCH_CPU_PPC64 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(__ppc__) || defined(__powerpc__)
michael@0: #define ARCH_CPU_PPC 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__sparc64__)
michael@0: #define ARCH_CPU_SPARC 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(__sparc__)
michael@0: #define ARCH_CPU_SPARC 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__mips__)
michael@0: #define ARCH_CPU_MIPS 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__hppa__)
michael@0: #define ARCH_CPU_HPPA 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__ia64__)
michael@0: #define ARCH_CPU_IA64 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(__s390x__)
michael@0: #define ARCH_CPU_S390X 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(__s390__)
michael@0: #define ARCH_CPU_S390 1
michael@0: #define ARCH_CPU_32_BITS 1
michael@0: #elif defined(__alpha__)
michael@0: #define ARCH_CPU_ALPHA 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #elif defined(__aarch64__)
michael@0: #define ARCH_CPU_AARCH64 1
michael@0: #define ARCH_CPU_64_BITS 1
michael@0: #else
michael@0: #error Please add support for your architecture in build/build_config.h
michael@0: #endif
michael@0: 
michael@0: // Type detection for wchar_t.
michael@0: #if defined(OS_WIN)
michael@0: #define WCHAR_T_IS_UTF16
michael@0: #else
michael@0: #define WCHAR_T_IS_UTF32
michael@0: #endif
michael@0: 
michael@0: #endif  // BUILD_BUILD_CONFIG_H_