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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef IOS_WEB_VIEW_PUBLIC_CWV_EXPORT_H_ | |
6 #define IOS_WEB_VIEW_PUBLIC_CWV_EXPORT_H_ | |
7 | |
8 // All public classes in //ios/web_view must be prefixed with CWV_EXPORT, so | |
9 // that clients of //ios/web_view dynamic library can link them. | |
10 // | |
11 // This is because a dynamic library only exports symbols marked | |
12 // __attribute__((visibility("default"))). | |
13 // | |
14 // Here I define a macro CWV_EXPORT instead of directly using __attribute__. | |
michaeldo
2017/03/23 15:12:42
Remove "Here I". I can't find the reference, but w
Hiroshi Ichikawa
2017/03/24 06:34:20
Done.
| |
15 // This makes it possible to export symbols only when *building* the dynamic | |
16 // library (by checking CWV_IMPLEMENTATION), not when *using* the dynamic | |
17 // library. | |
18 #if defined(CWV_IMPLEMENTATION) | |
19 #define CWV_EXPORT __attribute__((visibility("default"))) | |
20 #else | |
21 #define CWV_EXPORT | |
22 #endif | |
23 | |
24 #endif // IOS_WEB_VIEW_PUBLIC_CWV_EXPORT_H_ | |
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