# undef I_SYS_UN
#endif
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
#define do_spawn(a) os2_do_spawn(aTHX_ (a))
#define do_aspawn(a,b,c) os2_do_aspawn(aTHX_ (a),(b),(c))
#define THREADS_ELSEWHERE
-#else /* USE_THREADS */
+#else /* USE_5005THREADS */
#define do_spawn(a) os2_do_spawn(a)
#define do_aspawn(a,b,c) os2_do_aspawn((a),(b),(c))
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
void Perl_OS2_init(char **);
void Perl_OS2_init3(char **envp, void **excH, int flags);