blob: c6408433fd98084e82b47687d12d2e72421d86cd [file] [log] [blame]
// Copyright (c) 2012 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_ARM / ARCH_CPU_ARMEL / ARCH_CPU_ARM_FAMILY
// ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
// ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN
#ifndef BUILD_BUILD_CONFIG_H_
#define BUILD_BUILD_CONFIG_H_
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
// A set of macros to use for platform detection.
#if defined(STARBOARD)
// noop
#elif defined(__APPLE__)
#define OS_MACOSX 1
#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
#define OS_IOS 1
#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
#elif defined(ANDROID)
#define OS_ANDROID 1
#elif defined(__native_client__)
#define OS_NACL 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(__LB_SHELL__)
// NO toolkit!
#elif defined(_WIN32)
#define OS_WIN 1
#define TOOLKIT_VIEWS 1
#elif defined(__FreeBSD__)
#define OS_FREEBSD 1
#define TOOLKIT_GTK
#elif defined(__OpenBSD__)
#define OS_OPENBSD 1
#define TOOLKIT_GTK
#elif defined(__sun)
#define OS_SOLARIS 1
#define TOOLKIT_GTK
#else
#error Please add support for your platform in build/build_config.h
#endif
#if defined(USE_OPENSSL) && defined(USE_NSS)
#error Cannot use both OpenSSL and NSS
#endif
// For access to standard BSD features, use OS_BSD instead of a
// more specific macro.
#if defined(OS_FREEBSD) || defined(OS_OPENBSD)
#define OS_BSD 1
#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) || \
defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) || \
defined(OS_NACL) || defined(__LB_SHELL__)
#define OS_POSIX 1
#endif
#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID) && \
!defined(OS_NACL) && !defined(__LB_SHELL__)
#define USE_X11 1 // Use X for graphics.
#endif
// Use tcmalloc
#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(NO_TCMALLOC)
#define USE_TCMALLOC 1
#endif
// Compiler detection.
#if defined(__SNC__)
#define COMPILER_SNC
#endif
#if defined(__ghs) || defined(__ghs__)
#define COMPILER_GHS 1
#endif
#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(STARBOARD)
#include "starboard/configuration.h"
#if SB_IS(32_BIT)
# define ARCH_CPU_32_BITS 1
#elif SB_IS(64_BIT)
# define ARCH_CPU_64_BITS 1
#endif // SB_IS(32_BIT)
#if SB_IS(BIG_ENDIAN)
# define ARCH_CPU_BIG_ENDIAN 1
#else // SB_IS(BIG_ENDIAN)
# define ARCH_CPU_LITTLE_ENDIAN 1
#endif // SB_IS(BIG_ENDIAN)
#if SB_IS(ARCH_X86)
# define ARCH_CPU_X86_FAMILY 1
# define ARCH_CPU_X86 1
#elif SB_IS(ARCH_X64)
# define ARCH_CPU_X86_FAMILY 1
# define ARCH_CPU_X86_64 1
#elif SB_IS(ARCH_ARM) || SB_IS(ARCH_ARM64)
# define ARCH_CPU_ARM_FAMILY 1
# if SB_IS(BIG_ENDIAN)
# define ARCH_CPU_ARM 1
# else // SB_IS(BIG_ENDIAN)
# define ARCH_CPU_ARMEL 1
# endif // SB_IS(BIG_ENDIAN)
#endif
#elif defined(_M_X64) || defined(__x86_64__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86_64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(_M_IX86) || defined(__i386__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__ARMEL__)
#define ARCH_CPU_ARM_FAMILY 1
#define ARCH_CPU_ARMEL 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__pnacl__)
#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(STARBOARD)
# if SB_IS(WCHAR_T_UTF16)
# define WCHAR_T_IS_UTF16 1
# elif SB_IS(WCHAR_T_UTF32)
# define WCHAR_T_IS_UTF32 1
# endif
#elif defined(OS_WIN) || \
(defined(__LB_SHELL__) && \
!(defined(__LB_LINUX__) || defined(__LB_ANDROID__)))
#define WCHAR_T_IS_UTF16 1
#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
defined(__WCHAR_MAX__) && \
(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
#define WCHAR_T_IS_UTF32 1
#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
defined(__WCHAR_MAX__) && \
(__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
// compile in this mode (in particular, Chrome doesn't). This is intended for
// other projects using base who manage their own dependencies and make sure
// short wchar works for them.
#define WCHAR_T_IS_UTF16 1
#else
#error Please add support for your compiler in build/build_config.h
#endif
#if defined(STARBOARD)
# if SB_IS(WCHAR_T_UNSIGNED)
# define WCHAR_T_IS_UNSIGNED 1
# elif SB_IS(WCHAR_T_SIGNED)
# define WCHAR_T_IS_UNSIGNED 0
# endif
#elif defined(__ARMEL__) && !defined(OS_IOS)
#define WCHAR_T_IS_UNSIGNED 1
#endif
// TODO: Worry about these defines if/when we need to support Android.
#if defined(OS_ANDROID)
// The compiler thinks std::string::const_iterator and "const char*" are
// equivalent types.
#define STD_STRING_ITERATOR_IS_CHAR_POINTER
// The compiler thinks base::string16::const_iterator and "char16*" are
// equivalent types.
#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER
#endif
#endif // BUILD_BUILD_CONFIG_H_