Hamlib/include/hamlib/rig_dll.h

/*
 *  Hamlib Win32 DLL build definitions
 *  Copyright (c) 2001-2009 by Stephane Fillod
 *
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/*
 * Provide definitions to compile in Windows
 * using C-friendly options, e.g.
 *
 * HAMLIB_API -> __cdecl
 * HAMLIB_EXPORT, HAMLIB_EXPORT_VAR -> __declspec(dllexport)
 * BACKEND_EXPORT, BACKEND_EXPORT_VAR -> __declspec(dllexport)
 *
 * No effect in non-Windows environments.
 */

#if defined(_WIN32) && !defined(__CYGWIN__)
#  undef HAMLIB_IMPEXP
#  undef BACKEND_IMPEXP
#  undef HAMLIB_API
#  undef HAMLIB_EXPORT
#  undef HAMLIB_EXPORT_VAR
#  undef BACKEND_EXPORT
#  undef BACKEND_EXPORT_VAR
#  undef HAMLIB_DLL_IMPORT
#  undef HAMLIB_DLL_EXPORT

#  if defined (__BORLANDC__)
#    define HAMLIB_DLL_IMPORT __import
#    define HAMLIB_DLL_EXPORT __export
#  else
#    define HAMLIB_DLL_IMPORT __declspec(dllimport)
#    define HAMLIB_DLL_EXPORT __declspec(dllexport)
#  endif

#  ifdef DLL_EXPORT
/* HAMLIB_API may be set to __stdcall for VB, .. */
#    define HAMLIB_API __cdecl
#    ifdef IN_HAMLIB
#      define BACKEND_IMPEXP HAMLIB_DLL_EXPORT
#      define HAMLIB_IMPEXP HAMLIB_DLL_EXPORT
#    else
#      define BACKEND_IMPEXP HAMLIB_DLL_EXPORT
#      define HAMLIB_IMPEXP HAMLIB_DLL_IMPORT
#    endif
#  else
/* static build, only export the backend entry points for lt_dlsym */
#    define BACKEND_IMPEXP HAMLIB_DLL_EXPORT
#  endif
#endif


/* Take care of non-cygwin platforms */
#if !defined(HAMLIB_IMPEXP)
#  define HAMLIB_IMPEXP
#endif
#if !defined(BACKEND_IMPEXP)
#  define BACKEND_IMPEXP
#endif
#if !defined(HAMLIB_API)
#  define HAMLIB_API
#endif
#if !defined(HAMLIB_EXPORT)
#  define HAMLIB_EXPORT(type) HAMLIB_IMPEXP type HAMLIB_API
#endif
#if !defined(HAMLIB_EXPORT_VAR)
#  define HAMLIB_EXPORT_VAR(type) HAMLIB_IMPEXP type
#endif
#if !defined(BACKEND_EXPORT)
#  define BACKEND_EXPORT(type) BACKEND_IMPEXP type HAMLIB_API
#endif
#if !defined(BACKEND_EXPORT_VAR)
#  define BACKEND_EXPORT_VAR(type) BACKEND_IMPEXP type
#endif