--- dstool_tk/config/Makefile.defs~	2021-07-22 14:25:09.054200807 +0000
+++ dstool_tk/config/Makefile.defs	2021-07-22 14:28:35.151872788 +0000
@@ -47,7 +47,7 @@
  X11_LIBS = -lX11
  SYS_LIBS = $(X11_LIBS) $(OTHER_SYS_LIBS) -lm 
 
-  ALL_FLAGS = $(CFLAGS)
+  ALL_FLAGS = $(CFLAGS) -DUSE_INTERP_RESULT
   ALL_INCLUDES = $(INCLUDE) -I$(INCLUDE_DIR) $(TCL_INCLUDES) $(X11_INCLUDES)
   ALL_LIBS = $(TCL_LIBS) $(SYS_LIBS)