def.h
#pragma once
// Generic helper definitions for shared library support
#if defined _WIN32 || defined __CYGWIN__
#define OPENDHT_IMPORT __declspec(dllimport)
#define OPENDHT_EXPORT __declspec(dllexport)
#define OPENDHT_HIDDEN
#else
#define OPENDHT_IMPORT __attribute__ ((visibility ("default")))
#define OPENDHT_EXPORT __attribute__ ((visibility ("default")))
#define OPENDHT_HIDDEN __attribute__ ((visibility ("hidden")))
#endif
// Now we use the generic helper definitions above to define OPENDHT_PUBLIC and OPENDHT_LOCAL.
// OPENDHT_PUBLIC is used for the public API symbols. It either DLL imports or DLL exports (or does nothing for static build)
// OPENDHT_LOCAL is used for non-api symbols.
#ifdef opendht_EXPORTS // defined if OpenDHT is compiled as a shared library
#ifdef OPENDHT_BUILD // defined if we are building the OpenDHT shared library (instead of using it)
#define OPENDHT_PUBLIC OPENDHT_EXPORT
#else
#define OPENDHT_PUBLIC OPENDHT_IMPORT
#endif // OPENDHT_BUILD
#define OPENDHT_LOCAL OPENDHT_HIDDEN
#else // opendht_EXPORTS is not defined: this means OpenDHT is a static lib.
#define OPENDHT_PUBLIC
#define OPENDHT_LOCAL
#endif // opendht_EXPORTS