Index: xotcl/configure.in
===================================================================
diff -u -rf7894d9be99a8da3a04218abcdb9bd46b6d625c8 -r6728daf2a67ce8406e152e5799defe7cc768a25e
--- xotcl/configure.in	(.../configure.in)	(revision f7894d9be99a8da3a04218abcdb9bd46b6d625c8)
+++ xotcl/configure.in	(.../configure.in)	(revision 6728daf2a67ce8406e152e5799defe7cc768a25e)
@@ -361,8 +361,36 @@
 AC_SUBST(apps_actiweb)
 
 AC_SUBST(TEA_PLATFORM)
+
+dnl macro expanding to the names of files ./configure is to generate.
+dnl reasoning: this is a factoring; I use this value elsewhere.
+dnl
+dnl Change the value of -this- macro if you want to add or remove
+dnl such files.
+
+AC_DEFUN(CONFIG_OUTPUT_FILES, [[Makefile xotclConfig.sh apps/utils/xotclsh apps/utils/xowish unix/xotcl.spec unix/pkgIndex.unix]])
+
 #--------------------------------------------------------------------
-# Finally, substitute all of the various values into the Makefile.
+# the value of this variable is set to the files which are to be
+# removed when the user invokes 'make distclean' (i.e., those 
+# files generated by ./configure) and is used in the make distclean
+# target, defined in Makefile.in
 #--------------------------------------------------------------------
 
-AC_OUTPUT([Makefile xotclConfig.sh apps/utils/xotclsh apps/utils/xowish unix/xotcl.spec unix/pkgIndex.unix])
+CONFIG_CLEAN_FILES="CONFIG_OUTPUT_FILES"
+
+AC_SUBST(CONFIG_CLEAN_FILES)
+
+AC_CONFIG_FILES(CONFIG_OUTPUT_FILES)
+
+#--------------------------------------------------------------------
+# Finally, substitute all of the various values into the Makefile,
+# and generate the other output files. (this is done by invoking
+# config.status)
+# 
+# NOTE the lack of parameters! AC_OUTPUT with params is deprecated;
+# use macros such as AC_CONFIG_FILES, AC_HEADER_FILES, etc to add
+# to the files output by ./configure.
+#--------------------------------------------------------------------
+
+AC_OUTPUT