.. _program_listing_file_include_srdfdom_visibility_control.h:

Program Listing for File visibility_control.h
=============================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_srdfdom_visibility_control.h>` (``include/srdfdom/visibility_control.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef SRDFDOM__VISIBILITY_CONTROL_H_
   #define SRDFDOM__VISIBILITY_CONTROL_H_
   
   // This logic was borrowed (then namespaced) from the examples on the gcc wiki:
   //     https://gcc.gnu.org/wiki/Visibility
   
   #if defined _WIN32 || defined __CYGWIN__
   #ifdef __GNUC__
   #define SRDFDOM_EXPORT __attribute__((dllexport))
   #define SRDFDOM_IMPORT __attribute__((dllimport))
   #else
   #define SRDFDOM_EXPORT __declspec(dllexport)
   #define SRDFDOM_IMPORT __declspec(dllimport)
   #endif
   #ifdef SRDFDOM_BUILDING_DLL
   #define SRDFDOM_PUBLIC SRDFDOM_EXPORT
   #else
   #define SRDFDOM_PUBLIC SRDFDOM_IMPORT
   #endif
   #define SRDFDOM_PUBLIC_TYPE SRDFDOM_PUBLIC
   #define SRDFDOM_LOCAL
   #else
   #define SRDFDOM_EXPORT __attribute__((visibility("default")))
   #define SRDFDOM_IMPORT
   #if __GNUC__ >= 4
   #define SRDFDOM_PUBLIC __attribute__((visibility("default")))
   #define SRDFDOM_LOCAL __attribute__((visibility("hidden")))
   #else
   #define SRDFDOM_PUBLIC
   #define SRDFDOM_LOCAL
   #endif
   #define SRDFDOM_PUBLIC_TYPE
   #endif
   
   #endif  // SRDFDOM__VISIBILITY_CONTROL_H_