The trick with make distclean before the configuration does the job.
What i don’t understand is why i have to do a distclean before the
configuration. This means there is something in the tarball what doesn’t
belongs there. Is this correct?
In case you untar the tar ball in an existing directory, you still get the old files.
When old classes are deleted or moved to a different directory, you may get problem
if you do not distclean.
That i can have problem with an already existing is clear, but i didn’t untar in an existing directory. This problem occurs with a clean new installation.