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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#ifndef SCRIBUS_API_H
#define SCRIBUS_API_H
/*
* This header provides a macro to handle correct symbol imports/exports
* on platforms that require explicit instructions to make symbols public,
* or differentiate between exported and imported symbols.
*
* Currently, that's win32, but gcc4's facilities for more selective
* exports can be tied into this too (see bug #1961).
*
* Use this macro in the declaration of classes that must be exported
* to plug-ins. With current Scribus code, that's most of them.
*
* Usage examples:
*
* class SCRIBUS_API PageItem
* {
* ...
* };
*
* bool SCRIBUS_API doThatThing(void);
*
* For an exception type that may be thrown across a DSO boundary, you must
* use:
*
* class SCEXCEPTIONAPI(SCRIBUS_API) MyException
* {
* ...
* };
*
* For information on the gcc visibility support see:
* http://gcc.gnu.org/wiki/Visibility
* http://people.redhat.com/drepper/dsohowto.pdf
*
*/
#ifdef _WIN32
#ifdef COMPILE_SCRIBUS_MAIN_APP
#define SCRIBUS_API __declspec(dllexport)
#else
#ifdef COMPILE_PLUGIN_AS_DLL
#define SCRIBUS_API __declspec(dllimport)
#else
#define SCRIBUS_API
#endif
#endif
#else
#ifdef HAVE_GCC_SYMBOL_VISIBILITY
/* Forces inclusion of a symbol in the symbol table, so
software outside the current library / app can use it. */
#define SCRIBUS_API __attribute__ ((visibility("default")))
/* Within a section exported with SCRIBUS_API, forces a symbol to be
private to the library / app. Good for private members. */
#define SCRIBUS_LOCAL __attribute__ ((visibility("hidden")))
#else
#define SCRIBUS_API
#define SCRIBUS_LOCAL
#endif
#endif
/* Throwable classes must always be visible on GCC in all binaries */
#ifdef WIN32
#define SCEXCEPTIONAPI(api) api
#elif defined(HAVE_GCC_SYMBOL_VISIBILITY)
#define SCEXCEPTIONAPI(api) SCRIBUS_API
#else
#define SCEXCEPTIONAPI(api)
#endif
#endif
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