198 lines
6.8 KiB
C
198 lines
6.8 KiB
C
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef CEF_INCLUDE_BASE_CEF_BUILD_H_
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#define CEF_INCLUDE_BASE_CEF_BUILD_H_
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#pragma once
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#if defined(USING_CHROMIUM_INCLUDES)
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// When building CEF include the Chromium header directly.
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#include "base/compiler_specific.h"
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#else // !USING_CHROMIUM_INCLUDES
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// The following is substantially similar to the Chromium implementation.
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// If the Chromium implementation diverges the below implementation should be
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// updated to match.
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#if defined(_WIN32)
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#ifndef OS_WIN
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#define OS_WIN 1
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#endif
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#elif defined(__APPLE__)
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#ifndef OS_MACOSX
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#define OS_MACOSX 1
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#endif
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#elif defined(__linux__)
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#ifndef OS_LINUX
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#define OS_LINUX 1
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#endif
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#else
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#error Please add support for your platform in cef_build.h
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#endif
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// For access to standard POSIXish features, use OS_POSIX instead of a
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// more specific macro.
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#if defined(OS_MACOSX) || defined(OS_LINUX)
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#ifndef OS_POSIX
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#define OS_POSIX 1
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#endif
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#endif
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// Compiler detection.
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#if defined(__GNUC__)
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#ifndef COMPILER_GCC
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#define COMPILER_GCC 1
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#endif
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#elif defined(_MSC_VER)
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#ifndef COMPILER_MSVC
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#define COMPILER_MSVC 1
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#endif
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#else
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#error Please add support for your compiler in cef_build.h
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#endif
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// Processor architecture detection. For more info on what's defined, see:
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// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
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// http://www.agner.org/optimize/calling_conventions.pdf
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// or with gcc, run: "echo | gcc -E -dM -"
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#if defined(_M_X64) || defined(__x86_64__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86_64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(_M_IX86) || defined(__i386__)
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#define ARCH_CPU_X86_FAMILY 1
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#define ARCH_CPU_X86 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__ARMEL__)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARMEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__aarch64__)
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#define ARCH_CPU_ARM_FAMILY 1
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#define ARCH_CPU_ARM64 1
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#define ARCH_CPU_64_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__pnacl__)
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#elif defined(__MIPSEL__)
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#define ARCH_CPU_MIPS_FAMILY 1
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#define ARCH_CPU_MIPSEL 1
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#define ARCH_CPU_32_BITS 1
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#define ARCH_CPU_LITTLE_ENDIAN 1
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#else
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#error Please add support for your architecture in cef_build.h
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#endif
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// Type detection for wchar_t.
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#if defined(OS_WIN)
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#define WCHAR_T_IS_UTF16
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
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#define WCHAR_T_IS_UTF32
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#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
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(__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
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// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
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// compile in this mode (in particular, Chrome doesn't). This is intended for
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// other projects using base who manage their own dependencies and make sure
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// short wchar works for them.
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#define WCHAR_T_IS_UTF16
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#else
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#error Please add support for your compiler in cef_build.h
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#endif
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// Annotate a function indicating the caller must examine the return value.
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// Use like:
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// int foo() WARN_UNUSED_RESULT;
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// To explicitly ignore a result, see |ignore_result()| in <base/macros.h>.
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#ifndef WARN_UNUSED_RESULT
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#if defined(COMPILER_GCC)
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#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#else
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#define WARN_UNUSED_RESULT
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#endif
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#endif // WARN_UNUSED_RESULT
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// Annotate a typedef or function indicating it's ok if it's not used.
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// Use like:
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// typedef Foo Bar ALLOW_UNUSED_TYPE;
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#ifndef ALLOW_UNUSED_TYPE
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#if defined(COMPILER_GCC)
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#define ALLOW_UNUSED_TYPE __attribute__((unused))
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#else
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#define ALLOW_UNUSED_TYPE
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#endif
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#endif // ALLOW_UNUSED_TYPE
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// Annotate a variable indicating it's ok if the variable is not used.
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// (Typically used to silence a compiler warning when the assignment
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// is important for some other reason.)
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// Use like:
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// int x = ...;
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// ALLOW_UNUSED_LOCAL(x);
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#ifndef ALLOW_UNUSED_LOCAL
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#define ALLOW_UNUSED_LOCAL(x) false ? (void)x : (void)0
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#endif
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#endif // !USING_CHROMIUM_INCLUDES
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// Annotate a virtual method indicating it must be overriding a virtual method
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// in the parent class.
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// Use like:
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// void foo() OVERRIDE;
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// NOTE: This define should only be used in classes exposed to the client since
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// C++11 support may not be enabled in client applications. CEF internal classes
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// should use the `override` keyword directly.
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#ifndef OVERRIDE
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#if defined(__clang__)
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#define OVERRIDE override
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#elif defined(COMPILER_MSVC) && _MSC_VER >= 1600
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// Visual Studio 2010 and later support override.
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#define OVERRIDE override
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#elif defined(COMPILER_GCC) && __cplusplus >= 201103 && \
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(__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= 40700
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// GCC 4.7 supports explicit virtual overrides when C++11 support is enabled.
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#define OVERRIDE override
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#else
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#define OVERRIDE
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#endif
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#endif // OVERRIDE
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// Check for C++11 template alias support which was added in VS2013 and GCC4.7.
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// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2258.pdf
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#if __cplusplus > 199711L || (defined(_MSC_VER) && _MSC_VER >= 1800) || \
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(defined(__GNUC__) && \
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(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ >= 40700))
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#define HAS_CPP11_TEMPLATE_ALIAS_SUPPORT
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#endif
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#endif // CEF_INCLUDE_BASE_CEF_BUILD_H_
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