libkdepim/kdepimmacros.h.in

   1 /*
   2     This file is part of libkdepim
   3     Copyright (c) 2002-2003 KDE Team
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18     Boston, MA 02111-1307, USA.
  19 */
  20
  21 #ifndef KDEPIMMACROS_H
  22 #define KDEPIMMACROS_H
  23
  24 #include <kdeversion.h>
  25
  26 /**
  27  * The KDE_NO_EXPORT macro marks the symbol of the given variable
  28  * to be hidden. A hidden symbol is stripped during the linking step,
  29  * so it can't be used from outside the resulting library, which is similar
  30  * to static. However, static limits the visibility to the current
  31  * compilation unit. hidden symbols can still be used in multiple compilation
  32  * units.
  33  *
  34  * \code
  35  * int KDE_NO_EXPORT foo;
  36  * int KDE_EXPORT bar;
  37  * \end
  38  */
  39 #if KDE_IS_VERSION(3,3,2)
  40 #include <kdemacros.h>
  41 #else
  42 #undef KDE_NO_EXPORT
  43 #undef KDE_EXPORT
  44
  45 #if @HAVE_GCC_VISIBILITY@
  46 #define KDE_NO_EXPORT __attribute__ ((visibility("hidden")))
  47 #define KDE_EXPORT __attribute__ ((visibility("default")))
  48 #elif defined(Q_WS_WIN)
  49 #define KDE_NO_EXPORT
  50 #define KDE_EXPORT __declspec(dllexport)
  51 #else
  52 #define KDE_NO_EXPORT
  53 #define KDE_EXPORT
  54 #endif
  55
  56 #endif /* KDE_IS_VERSION */
  57
  58 #endif /* KDEPIMMACROS_H */