Diff of /src/configure.in [644859] .. [49c217] Maximize Restore

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--- a/src/configure.in
+++ b/src/configure.in
@@ -121,6 +121,12 @@
                   [include ASDF building facility]
                   [(default=YES if shared library support is on)]),
   [], [with_asdf=${enable_shared}])
+
+AC_ARG_WITH(defsystem,
+  AS_HELP_STRING( [--with-defsystem],
+                  [include DEFSYSTEM building facility]
+                  [(default=YES if shared library support is on)]),
+  [], [with_defsystem=${enable_shared}])
 
 AC_ARG_WITH(cmp,
   AS_HELP_STRING( [--with-cmp],
@@ -442,6 +448,10 @@
   ECL_ADD_LISP_MODULE([asdf])
 fi
 
+if test "${with_defsystem}" = "yes"; then
+  ECL_ADD_LISP_MODULE([defsystem])
+fi
+
 if test "${with_rt}" = "yes"; then
   ECL_ADD_LISP_MODULE([rt])
 fi