xgl/global.h

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/*
This include-file determines the way the classes and functions in the
library are exported when they are used as a dynamic or as application and static library.
When building this Dynamic Library then _XGL_PKG (package) should be defined.
 
_list of the declaration modifiers for types:
  classes:  _XGL_CLASS
  Function: _XGL_FUNC
  Data:     _XGL_DATA
 
Add compiler definition flags:
  * _XGL_PKG when building a dynamic library (package)
  * _XGL_ARC when including in a compile or using it as an archive.
*/
 
#pragma once
 
// Import of defines for this target.
#include "../misc/gen/target.h"
 
// When DL target and the PKG is not used the DL is being build.
#if IS_DL_TARGET && defined(_XGL_PKG)
  #define _XGL_DATA TARGET_EXPORT
  #define _XGL_FUNC TARGET_EXPORT
  #define _XGL_CLASS TARGET_EXPORT
// Is used as an archive so no importing is needed.
#elif defined(_XGL_ARC)
  #define _XGL_DATA
  #define _XGL_FUNC
  #define _XGL_CLASS
// When no flags are defined assume the package is imported.
#else
  #define _XGL_DATA TARGET_IMPORT
  #define _XGL_FUNC TARGET_IMPORT
  #define _XGL_CLASS TARGET_IMPORT
#endif