[root@c-84b6e455 jabbin-2.0beta2a]# sh configure
Configuring Jabbin ...
Verifying Qt 3.x Multithreaded (MT) build environment ... fail

Sorry, you seem to have a very unusual setup,
or I missdetected $QTDIR=/usr/lib/qt3/

Please set $QTDIR manually and make sure that
$QTDIR/bin/qmake exists.