#include <cygwin/version.h>/* * Check for b20.1 and disable AF_UNIX family socket support. */#if CYGWIN_VERSION_DLL_MAJOR < 1001#undef HAVE_UNIX_SOCKETS#endif#if __GNUC__ && ! defined (__declspec)#error You need egcs 1.1 or newer for compiling!#endif#ifdef BUILDING_DLL