Index: library/xml/TclExpat-1.1/configure.in
===================================================================
diff -u -ra16cfab111738c0792b602340bb9f86263206a74 -rdcbd1fac837f989819c9ff558fe6338a42c3d7e7
--- library/xml/TclExpat-1.1/configure.in	(.../configure.in)	(revision a16cfab111738c0792b602340bb9f86263206a74)
+++ library/xml/TclExpat-1.1/configure.in	(.../configure.in)	(revision dcbd1fac837f989819c9ff558fe6338a42c3d7e7)
@@ -128,6 +128,13 @@
 else
     filemap="unixfilemap.c"
 fi
+
+#
+# general fallback to the bundled expat
+#
+if test "${expat_dir}" = ""; then
+    with_expat="bundle"
+fi
  
 if test "${with_expat}" = bundle ; then
     # 1) the bundled case