buildbot failure in ASF Buildbot on mod_perl_2_trunk

The Buildbot has detected a failed build on builder mod_perl_2_trunk while building ASF Buildbot. Full details are available at:
    http://ci.apache.org/builders/mod_perl_2_trunk/builds/2

Buildbot URL: http://ci.apache.org/

Buildslave for this Build: orcus_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'oncommit' triggered this build
Build Source Stamp: [branch perl/modperl/trunk] 1717474
Blamelist: 

BUILD FAILED: failed compile

Sincerely,
 -The Buildbot