1 /* 2 * libjingle 3 * Copyright 2004--2013, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef TALK_MEDIA_WEBRTC_WEBRTCEXPORT_H_ 28 #define TALK_MEDIA_WEBRTC_WEBRTCEXPORT_H_ 29 30 #if !defined(GOOGLE_CHROME_BUILD) && !defined(CHROMIUM_BUILD) 31 #define LIBPEERCONNECTION_LIB 1 32 #endif 33 34 #ifndef NON_EXPORTED_BASE 35 #ifdef WIN32 36 37 // MSVC_SUPPRESS_WARNING disables warning |n| for the remainder of the line and 38 // for the next line of the source file. 39 #define MSVC_SUPPRESS_WARNING(n) __pragma(warning(suppress:n)) 40 41 // Allows exporting a class that inherits from a non-exported base class. 42 // This uses suppress instead of push/pop because the delimiter after the 43 // declaration (either "," or "{") has to be placed before the pop macro. 44 // 45 // Example usage: 46 // class EXPORT_API Foo : NON_EXPORTED_BASE(public Bar) { 47 // 48 // MSVC Compiler warning C4275: 49 // non dll-interface class 'Bar' used as base for dll-interface class 'Foo'. 50 // Note that this is intended to be used only when no access to the base class' 51 // static data is done through derived classes or inline methods. For more info, 52 // see http://msdn.microsoft.com/en-us/library/3tdb471s(VS.80).aspx 53 #define NON_EXPORTED_BASE(code) MSVC_SUPPRESS_WARNING(4275) \ 54 code 55 56 #else // Not WIN32 57 #define NON_EXPORTED_BASE(code) code 58 #endif // WIN32 59 #endif // NON_EXPORTED_BASE 60 61 #if defined (LIBPEERCONNECTION_LIB) 62 #define WRME_EXPORT 63 #else 64 #if defined(WIN32) 65 #if defined(LIBPEERCONNECTION_IMPLEMENTATION) 66 #define WRME_EXPORT __declspec(dllexport) 67 #else 68 #define WRME_EXPORT __declspec(dllimport) 69 #endif 70 #else // defined(WIN32) 71 #if defined(LIBPEERCONNECTION_IMPLEMENTATION) 72 #define WRME_EXPORT __attribute__((visibility("default"))) 73 #else 74 #define WRME_EXPORT 75 #endif 76 #endif 77 #endif // LIBPEERCONNECTION_LIB 78 79 #endif // TALK_MEDIA_WEBRTC_WEBRTCEXPORT_H_ 80