/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
-#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32) && !defined(__APPLE__)
+#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
# define USE_REENTRANT_API
#endif
#endif
#ifdef HASATTRIBUTE
-# define PERL_UNUSED_DECL __attribute__((unused))
+# if defined(__GNUC__) && defined(__cplusplus)
+# define PERL_UNUSED_DECL
+# else
+# define PERL_UNUSED_DECL __attribute__((unused))
+# endif
#else
# define PERL_UNUSED_DECL
#endif