objcbase: as discussed on the mailing list - still allow a dummy version to be built. this allows darwin to be built without objectivec feature

git-svn-id: trunk@37875 -

rtl/inc/objcbase.pp

@@ -17,9 +17,7 @@ unit objcbase;
 
 interface
 
-{$ifndef FPC_HAS_FEATURE_OBJECTIVEC1}
-{$error ObjectiveC1 feature is not supported or not enabled.}
-{$endif}
+{$ifdef FPC_HAS_FEATURE_OBJECTIVEC1}
 
 {$modeswitch objectivec1}
 {$packrecords c}
@@ -255,6 +253,8 @@ type
     function isContentDiscarded: Boolean; message 'isContentDiscarded';
   end;
 
+{$endif FPC_HAS_FEATURE_OBJECTIVEC1}
+
 implementation
 
 end.