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      1 /*
      2  * Copyright (C) 2011 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  *
     25  * This file handles shared library symbol export decorations. It is recommended
     26  * that all WebKit projects use these definitions so that symbol exports work
     27  * properly on all platforms and compilers that WebKit builds under.
     28  */
     29 
     30 #ifndef ExportMacros_h
     31 #define ExportMacros_h
     32 
     33 #include "Platform.h"
     34 
     35 #if !PLATFORM(CHROMIUM) && OS(WINDOWS) && !COMPILER(GCC)
     36 #define WTF_EXPORT __declspec(dllexport)
     37 #define WTF_IMPORT __declspec(dllimport)
     38 #elif defined(__GNUC__) && !defined(__CC_ARM) && !defined(__ARMCC__)
     39 #define WTF_EXPORT __attribute__((visibility("default")))
     40 #define WTF_IMPORT WTF_EXPORT
     41 #else
     42 #define WTF_EXPORT
     43 #define WTF_IMPORT
     44 #endif
     45 
     46 #endif /* ExportMacros_h */
     47