diff --git a/svtools/source/numbers/makefile.mk b/svtools/source/numbers/makefile.mk
index c7cd1dcd823c..786109a77404 100644
--- a/svtools/source/numbers/makefile.mk
+++ b/svtools/source/numbers/makefile.mk
@@ -2,9 +2,9 @@
 #
 #   $RCSfile: makefile.mk,v $
 #
-#   $Revision: 1.1.1.1 $
+#   $Revision: 1.2 $
 #
-#   last change: $Author: hr $ $Date: 2000-09-18 16:59:03 $
+#   last change: $Author: ping.liao $ $Date: 2000-09-21 19:40:47 $
 #
 #   The Contents of this file are made available subject to the terms of
 #   either of the following licenses
@@ -116,6 +116,13 @@ EXCEPTIONSFILES= \
         $(SLO)$/numfmuno.obj \
         $(SLO)$/supservs.obj
 
+# NETBSD: somewhere we have to instantiate the static data members.
+# NETBSD-1.2.1 doesn't know about weak symbols so the default mechanism for GCC won't work.
+# SCO and MACOSX: the linker does know about weak symbols, but we can't ignore multiple defined symb ols
+.IF "$(OS)"=="NETBSD" || "$(OS)"=="SCO" || "$(OS)$(COM)"=="OS2GCC" || "$(OS)"=="MACOSX"
+SLOFILES+=$(SLO)$/staticmb.obj
+.ENDIF
+
 # --- Targets -------------------------------------------------------
 
 .INCLUDE :  target.mk