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Diffstat (limited to 'build/build_config.h')
| -rw-r--r-- | build/build_config.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/build/build_config.h b/build/build_config.h new file mode 100644 index 000000000000..ce5ac6a138de --- /dev/null +++ b/build/build_config.h @@ -0,0 +1,151 @@ +// Copyright (c) 2011 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_ + +// A set of macros to use for platform detection. +#if defined(__APPLE__) +#define OS_MACOSX 1 +#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(_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 + +// A flag derived from the above flags, used to cover GTK code in +// both TOOLKIT_GTK and TOOLKIT_VIEWS. +#if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN)) +#define TOOLKIT_USES_GTK 1 +#endif + +#if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD) || \ + defined(OS_SOLARIS) || defined(OS_ANDROID) +#if !defined(USE_OPENSSL) +#define USE_NSS 1 // Default to use NSS for crypto, unless OpenSSL is chosen. +#endif +#ifndef OS_ANDROID +#define USE_X11 1 // Use X for graphics. +#endif +#endif + +#if defined(USE_OPENSSL) && defined(USE_NSS) +#error Cannot use both OpenSSL and NSS +#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) +#define OS_POSIX 1 +#endif + +// Use tcmalloc +#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(NO_TCMALLOC) +#define USE_TCMALLOC 1 +#endif + +// Use heapchecker. +#if defined(OS_LINUX) && !defined(NO_HEAPCHECKER) +#define USE_HEAPCHECKER 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 +#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 +#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 +#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 +#else +#error Please add support for your compiler in build/build_config.h +#endif + +#if defined(OS_CHROMEOS) +// Single define to trigger whether CrOS fonts have BCI on. +// In that case font sizes/deltas should be adjusted. +//define CROS_FONTS_USING_BCI +#endif + +#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_ |