--- a/bc.mak	Mon Jul 30 12:14:16 2018 +0200
+++ b/bc.mak	Mon Jul 30 12:14:18 2018 +0200
@@ -202,6 +202,7 @@
 $(OUTDIR)ValueLink.$(O) ValueLink.$(C) ValueLink.$(H): ValueLink.st $(INCLUDE_TOP)\stx\libbasic\Link.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(STCHDR)
 $(OUTDIR)VirtualArray.$(O) VirtualArray.$(C) VirtualArray.$(H): VirtualArray.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\SequenceableCollection.$(H) $(STCHDR)
 $(OUTDIR)VirtualDictionary.$(O) VirtualDictionary.$(C) VirtualDictionary.$(H): VirtualDictionary.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(STCHDR)
+$(OUTDIR)WeakOrderedCollection.$(O) WeakOrderedCollection.$(C) WeakOrderedCollection.$(H): WeakOrderedCollection.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\OrderedCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\SequenceableCollection.$(H) $(STCHDR)
 $(OUTDIR)ZipArchiveConstants.$(O) ZipArchiveConstants.$(C) ZipArchiveConstants.$(H): ZipArchiveConstants.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\SharedPool.$(H) $(STCHDR)
 $(OUTDIR)stx_libbasic2.$(O) stx_libbasic2.$(C) stx_libbasic2.$(H): stx_libbasic2.st $(INCLUDE_TOP)\stx\libbasic\LibraryDefinition.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\ProjectDefinition.$(H) $(STCHDR)
 $(OUTDIR)AATree.$(O) AATree.$(C) AATree.$(H): AATree.st $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic2\BinaryTree.$(H) $(STCHDR)