build of rpm fails

[Udo van den Heuvel]

Udo van den Heuvel wrote:
> When trying to build it gives:
> 
> [...]
> config.status: creating contrib/suse/Makefile
> config.status: creating contrib/suse/tor.sh
> config.status: creating orconfig.h
> config.status: executing default-1 commands
> + /usr/bin/make
> cd . && aclocal-1.4
> cd . && automake-1.4 --foreign --include-deps Makefile
> cd . && autoconf
> configure.in:8: /usr/bin/m4: Warning: sub-expression 1 not present
> autom4te: /usr/bin/m4 failed with exit status: 1
> make: *** [configure] Error 1
> error: Bad exit status from /var/tmp/rpm-tmp.60759 (%build)
> 
> 
> RPM build errors:
>     Bad exit status from /var/tmp/rpm-tmp.60759 (%build)
> 
> Any ideas about what is wrong?

Nobody with a clue?
The current tor version on this system built fine from
tor-0.1.1.24-tor.0.fc5.src.rpm. Why is the newer 0.1.1.25 a problem!?