1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32#ifndef PlatformExport_h
33#define PlatformExport_h
34
35#if !defined(BLINK_PLATFORM_IMPLEMENTATION)
36#define BLINK_PLATFORM_IMPLEMENTATION 0
37#endif
38
39#if defined(COMPONENT_BUILD)
40#if defined(WIN32)
41#if BLINK_PLATFORM_IMPLEMENTATION
42#define PLATFORM_EXPORT __declspec(dllexport)
43#else
44#define PLATFORM_EXPORT __declspec(dllimport)
45#endif
46#else // defined(WIN32)
47#define PLATFORM_EXPORT __attribute__((visibility("default")))
48#endif
49#else // defined(COMPONENT_BUILD)
50#define PLATFORM_EXPORT
51#endif
52
53#if defined(_MSC_VER)
54// MSVC Compiler warning C4275:
55// non dll-interface class 'Bar' used as base for dll-interface class 'Foo'.
56// Note that this is intended to be used only when no access to the base class'
57// static data is done through derived classes or inline methods. For more info,
58// see http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx
59//
60// This pragma will allow exporting a class that inherits from a non-exported
61// base class, anywhere in the Blink platform component. This is only
62// a problem when using the MSVC compiler on Windows.
63#pragma warning(suppress:4275)
64#endif
65
66#endif // PlatformExport_h
67