Removes files from //build that we don't need

build/build_config.h

-// 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) /
-//    OS_NACL (NACL_SFI or NACL_NONSFI) / OS_NACL_SFI / OS_NACL_NONSFI
-//  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(__native_client__)
-// __native_client__ must be first, so that other OS_ defines are not set.
-#define OS_NACL 1
-// OS_NACL comes in two sandboxing technology flavors, SFI or Non-SFI.
-// PNaCl toolchain defines __native_client_nonsfi__ macro in Non-SFI build
-// mode, while it does not in SFI build mode.
-#if defined(__native_client_nonsfi__)
-#define OS_NACL_NONSFI
-#else
-#define OS_NACL_SFI
-#endif
-#elif defined(ANDROID)
-#define OS_ANDROID 1
-#elif defined(__APPLE__)
-// only include TargetConditions after testing ANDROID as some android builds
-// on mac don't have this header available and it's not needed unless the target
-// is really mac/ios.
-#include <TargetConditionals.h>
-#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(__linux__)
-#define OS_LINUX 1
-// include a system header to pull in features.h for glibc/uclibc macros.
-#include <unistd.h>
-#if defined(__GLIBC__) && !defined(__UCLIBC__)
-// we really are using glibc, not uClibc pretending to be glibc
-#define LIBC_GLIBC 1
-#endif
-#elif defined(_WIN32)
-#define OS_WIN 1
-#define TOOLKIT_VIEWS 1
-#elif defined(__FreeBSD__)
-#define OS_FREEBSD 1
-#elif defined(__OpenBSD__)
-#define OS_OPENBSD 1
-#elif defined(__sun)
-#define OS_SOLARIS 1
-#elif defined(__QNXNTO__)
-#define OS_QNX 1
-#else
-#error Please add support for your platform in build/build_config.h
-#endif
-
-#if defined(USE_OPENSSL_CERTS) && defined(USE_NSS_CERTS)
-#error Cannot use both OpenSSL and NSS for certificates
-#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(OS_QNX)
-#define OS_POSIX 1
-#endif
-
-// Use tcmalloc
-#if (defined(OS_WIN) || defined(OS_LINUX) || defined(OS_ANDROID)) && \
-    !defined(NO_TCMALLOC)
-#define USE_TCMALLOC 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
-#elif defined(__aarch64__)
-#define ARCH_CPU_ARM_FAMILY 1
-#define ARCH_CPU_ARM64 1
-#define ARCH_CPU_64_BITS 1
-#define ARCH_CPU_LITTLE_ENDIAN 1
-#elif defined(__pnacl__)
-#define ARCH_CPU_32_BITS 1
-#define ARCH_CPU_LITTLE_ENDIAN 1
-#elif defined(__MIPSEL__)
-#if defined(__LP64__)
-#define ARCH_CPU_MIPS64_FAMILY 1
-#define ARCH_CPU_MIPS64EL 1
-#define ARCH_CPU_64_BITS 1
-#define ARCH_CPU_LITTLE_ENDIAN 1
-#else
-#define ARCH_CPU_MIPS_FAMILY 1
-#define ARCH_CPU_MIPSEL 1
-#define ARCH_CPU_32_BITS 1
-#define ARCH_CPU_LITTLE_ENDIAN 1
-#endif
-#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_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_