cxxtools version 1.4.8-3 failed to build in oneiric

cxxtools version 1.4.8-3 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2691012

Details about the rebuild:
http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20110816-oneiric.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2691012/+files/buildlog_ubuntu-oneiric-amd64.cxxtools_1.4.8-3_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 444 lines into the build log:

patching file src/hdstream.cpp

Applying patch no_shared_flag
patching file src/Makefile.am

Now at patch no_shared_flag
touch debian/stamp-patched
/usr/bin/make -f debian/rules update-config
make[1]: Entering directory `/build/buildd/cxxtools-1.4.8'
make[1]: Nothing to be done for `update-config'.
make[1]: Leaving directory `/build/buildd/cxxtools-1.4.8'
if [ ! -e configure ] ; then aclocal -I /usr/share/autoconf-archive && autoheader && ln -s /usr/share/gettext/config.rpath . && libtoolize && automake -a && autoconf; fi
aclocal: couldn't open directory `/usr/share/autoconf-archive': No such file or directory
make: *** [post-patches] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110820-0316
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/cxxtools-1.4.8