Thunderbird and SeaMonkey trees are broken right now because of the bug 774032 checkin. We need to port that to comm-central. The error message is: make[1]: Entering directory `/builds/slave/comm-cen-trunk-lnx-dbg/build/objdir' /usr/bin/perl /builds/slave/comm-cen-trunk-lnx-dbg/build/mozilla/build/autoconf/make-makefile -t /builds/slave/comm-cen-trunk-lnx-dbg/build -d . mozilla/xpfe/components/autocomplete/Makefile /usr/bin/perl /builds/slave/comm-cen-trunk-lnx-dbg/build/mozilla/build/autoconf/make-makefile -t /builds/slave/comm-cen-trunk-lnx-dbg/build -d . ldap/xpcom/Makefile Can't open perl script "/builds/slave/comm-cen-trunk-lnx-dbg/build/mozilla/build/autoconf/make-makefile": No such file or directory make[1]: *** [mozilla/xpfe/components/autocomplete/Makefile] Error 2 make[1]: INTERNAL: Exiting with 5 jobserver tokens available; should be 4! make[1]: Leaving directory `/builds/slave/comm-cen-trunk-lnx-dbg/build/objdir' make: *** [build] Error 2 program finished with exit code 2