diff --git a/tools/tools/tcl_bmake/mkMakefile.sh b/tools/tools/tcl_bmake/mkMakefile.sh
index 1492d9370e18..557f6414c2b1 100644
--- a/tools/tools/tcl_bmake/mkMakefile.sh
+++ b/tools/tools/tcl_bmake/mkMakefile.sh
@@ -1,5 +1,5 @@
 #! /bin/sh
-# $Id: mkMakefile.sh,v 1.16 1996/10/31 15:57:25 peter Exp $
+# $Id: mkMakefile.sh,v 1.17 1996/12/16 11:53:50 peter Exp $
 #
 # This script generates a bmake Makefile for src/lib/libtcl
 #
@@ -25,7 +25,7 @@ echo '
 foo:
 	@echo ${OBJS}
 bar:
-	@echo ${AC_FLAGS}
+	@echo ${AC_FLAGS} -DTCL_SHLIB_EXT=\\\"${SHLIB_SUFFIX}\\\"
 ' >> m.x
 
 # Put a RCS Id  in the file, but not the one from this file :-)
@@ -45,7 +45,7 @@ echo '#
 # Please change src/tools/tools/tcl_bmake/mkMakefile.sh instead
 #
 # Generated by src/tools/tools/tcl_bmake/mkMakefile.sh version:
-# $Id: mkMakefile.sh,v 1.16 1996/10/31 15:57:25 peter Exp $
+# $Id: mkMakefile.sh,v 1.17 1996/12/16 11:53:50 peter Exp $
 #
 ' | tr -d '$' >> ${LIBTCL}Makefile