When compiling for GUSI and Carbon disable te "keep open on unseen output", for the time being.
diff --git a/Mac/Python/macmain.c b/Mac/Python/macmain.c
index 298eb71..e3df287 100644
--- a/Mac/Python/macmain.c
+++ b/Mac/Python/macmain.c
@@ -544,7 +544,7 @@
 void
 PyMac_OutputSeen()
 {
-#ifdef USE_GUSI
+#if defined(USE_GUSI) && !TARGET_API_MAC_CARBON_NOTYET
 	gusisioux_state = GUSISIOUX_STATE_LASTREAD;
 #endif
 }
@@ -569,7 +569,7 @@
 		keep = 0;
 		break;
 	case POPT_KEEPCONSOLE_OUTPUT:
-#ifdef USE_GUSI
+#if defined(USE_GUSI) && !TARGET_API_MAC_CARBON_NOTYET
 		if (gusisioux_state == GUSISIOUX_STATE_LASTWRITE ||
 				gusisioux_state == GUSISIOUX_STATE_UNKNOWN )
 			keep = 1;