building tcl without threads

[Paolo Galtieri]

I'm trying to install and run sguil, a network security monitor.  In 
order to run sguil you need to have tcl installed.  The problem is that 
sguil requires a version of tcl built without threads.  The installed 
tcl has threads enabled.  I downloaded the srpm for tcl and changed the 
spec file to run the configure with --prefix=/usr/local and removed the 
--enable-threads flag.  This didn't work, it still built everything 
under /usr.  How do I build a version of tcl that I can install under 
/usr/local that disables threads?

Any help is appreciated.

Than you,
Paolo