7.2 doesn't support --no-locale on initdb.
http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=kudu&dt=2005-07-17%2011:30:02
http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.33&r2=1.34
Kris Jurka