+if test "x$prefix" = xNONE; then
+ AC_PREFIX_PROGRAM(tclsh8.1)
+fi
+if test "x$prefix" = xNONE; then
+ AC_PREFIX_PROGRAM(tclsh8.0)
+fi
+if test "x$prefix" = xNONE; then
+ AC_PREFIX_PROGRAM(tclsh7.6)
+fi
+if test "x$prefix" = xNONE; then
+ AC_PREFIX_PROGRAM(tclsh7.5)
+fi