Hello Achim,

I have emacs 22 installed on one system. 

,----[/usr/bin/emacs --version]
| GNU Emacs 22.3.1
| Copyright (C) 2008 Free Software Foundation, Inc.
| GNU Emacs comes with ABSOLUTELY NO WARRANTY.
| You may redistribute copies of Emacs
| under the terms of the GNU General Public License.
| For more information about these matters, see the file named COPYING.
`----

I just tried building. it was successful although there are lot of warnings.

build logs are attached in case if you are interested to look into.

$ make 1> make.log 2>error.log