Re: shouldn't AC_CONFIG_LINKS make copies if it can't make links?

[Akim Demaille]

@@ -778,9 +778,8 @@ for ac_file in : $CONFIG_LINKS; do test 
   esac
 
   # Make a symlink if possible; otherwise try a hard link.
-  ln -s $ac_rel_source $ac_dest 2>/dev/null ||
-    ln $srcdir/$ac_source $ac_dest ||
-    AC_MSG_ERROR([cannot link $ac_dest to $srcdir/$ac_source])
+  $as_ln_s $ac_rel_source $ac_dest 2>/dev/null ||
+    AC_MSG_ERROR([cannot link or copy $ac_dest to $srcdir/$ac_source])
 m4_ifset([AC_LIST_LINKS_COMMANDS],
 [  # Run the commands associated with the file.
   case $ac_file in

This is wrong to me, as

        ln -s foo/bar baz/qux

and

        ln foo/bar baz/qux

have completely different semantics.  Hence

        ln -s $ac_rel_source $ac_dest
and
        ln $srcdir/$ac_source $ac_dest

in the original.