autogen version 1:5.10-1.1 failed to build on i386

autogen version 1:5.10-1.1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2445979

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2445979/+files/buildlog_ubuntu-natty-i386.autogen_1%3A5.10-1.1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1957 lines into the build log:

PASS: vers.test
====================================================
1 of 23 tests failed
Please report to <email address hidden>
====================================================
make[4]: *** [check-TESTS] Error 1
make[4]: Leaving directory `/build/buildd/autogen-5.10/autoopts/test'
make[3]: *** [check-am] Error 2
make[3]: Leaving directory `/build/buildd/autogen-5.10/autoopts/test'
make[2]: *** [check-recursive] Error 1
make[2]: Leaving directory `/build/buildd/autogen-5.10/autoopts'
make[1]: *** [check-recursive] Error 1
make[1]: Leaving directory `/build/buildd/autogen-5.10'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110414-1344
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/autogen-5.10