--- freetype-2.8/builds/exports.mk
+++ freetype-2.8/builds/exports.mk
@@ -68,6 +68,9 @@ ifneq ($(EXPORTS_LIST),)
 	  $(subst /,$(SEP),$(APINAMES_EXE)) -o$@ $(APINAMES_OPTIONS) $(PUBLIC_HEADERS)
 	  @echo TT_New_Context >> $(EXPORTS_LIST)
 	  @echo TT_RunIns >> $(EXPORTS_LIST)
+	  @echo FT_Done_GlyphSlot >> $(EXPORTS_LIST) # for libInventor
+	  @echo FT_Stream_Pos >> $(EXPORTS_LIST) # for NX
+	  @echo FT_Stream_Seek >> $(EXPORTS_LIST) # for NX
 
   $(PROJECT_LIBRARY): $(EXPORTS_LIST)