Firefox fails to build

[Matt Herzog]

Hello All.

I'm trying to build Firefox 0.9.3 on 4.10 FreeBSD. I updated ports 
before I attempted this build. I am running FreeBSD on a dual P3 
system. Any advice would be welcome.

/lib/libfreebl.a /usr/ports/www/firefox/work/mozilla/dist/lib/libsecutil.a /usr/ports/www/firefox/work/mozilla/dist/lib/libdbm.a  -L/usr/ports/www/firefox/work/mozilla/dist/lib -lplc4 -lplds4 -lnspr4  -pthread
../../../../coreconf/nsinstall/FreeBSD4.10_DBG.OBJ/nsinstall -R -m 775 FreeBSD4.10_DBG.OBJ/mangle /usr/ports/www/firefox/work/mozilla/dist/bin
gmake[4]: Leaving directory `/usr/ports/www/firefox/work/mozilla/security/nss/cmd/shlibsign/mangle'
FreeBSD4.10_DBG.OBJ/shlibsign -v -i /usr/ports/www/firefox/work/mozilla/dist/lib/libsoftokn3.so
Assertion failure: -1 != pt_book.minPrio, at ptthread.c:843
Abort trap (core dumped)
gmake[3]: *** [/usr/ports/www/firefox/work/mozilla/dist/lib/libsoftokn3.chk] Error 134
gmake[3]: Leaving directory `/usr/ports/www/firefox/work/mozilla/security/nss/cmd/shlibsign'
gmake[2]: *** [libs] Error 2
gmake[2]: Leaving directory `/usr/ports/www/firefox/work/mozilla/security/manager'
gmake[1]: *** [tier_40] Error 2
gmake[1]: Leaving directory `/usr/ports/www/firefox/work/mozilla'
gmake: *** [default] Error 2
*** Error code 2

Stop in /usr/ports/www/firefox.