wtf/ExportMacros.h

   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 */