--- rpl/src/instructions_d5.c	2011/09/21 09:09:22	1.74
+++ rpl/src/instructions_d5.c	2011/10/04 19:32:35	1.76
@@ -1,6 +1,6 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.3
+  RPL/2 (R) version 4.1.4
   Copyright (C) 1989-2011 Dr. BERTRAND Joël
 
   This file is part of RPL/2.
@@ -1231,28 +1231,30 @@ instruction_detach(struct_processus *s_e
 			return;
 		}
 
-#		ifndef OS2
-#		ifndef Cygwin
+#		ifdef SCHED_OTHER
 		if (pthread_attr_setschedpolicy(&attributs, SCHED_OTHER) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
 			return;
 		}
+#		endif
 
+#		ifdef PTHREAD_EXPLICIT_SCHED
 		if (pthread_attr_setinheritsched(&attributs,
 				PTHREAD_EXPLICIT_SCHED) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
 			return;
 		}
+#		endif
 
+#		ifdef PTHREAD_SCOPE_SYSTEM
 		if (pthread_attr_setscope(&attributs, PTHREAD_SCOPE_SYSTEM) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
 			return;
 		}
 #		endif
-#		endif
 
 		(*s_argument_thread).s_etat_processus = s_etat_processus;