libwmf version 0.2.8.4-7ubuntu3 failed to build in oneiric

libwmf version 0.2.8.4-7ubuntu3 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2703706

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/2703706/+files/buildlog_ubuntu-oneiric-i386.libwmf_0.2.8.4-7ubuntu3_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1174 lines into the build log:

dpkg-source: info: applying 03_font.c-compare-fonts-by-name.patch
dpkg-source: info: applying 04_gd-gd_clip.c-use-after-free-cve-2009-1364.patch
dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g -O2
dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor):
dpkg-buildpackage: export CXXFLAGS from dpkg-buildflags (origin: vendor): -g -O2
dpkg-buildpackage: export FFLAGS from dpkg-buildflags (origin: vendor): -g -O2
dpkg-buildpackage: export LDFLAGS from dpkg-buildflags (origin: vendor): -Wl,-Bsymbolic-functions
dpkg-buildpackage: source package libwmf
dpkg-buildpackage: source version 0.2.8.4-7ubuntu3
 dpkg-source --before-build libwmf-0.2.8.4
dpkg-buildpackage: host architecture i386
 /usr/bin/fakeroot debian/rules clean
debian/rules:5: /usr/share/cdbs/1/rules/clean-la.mk: No such file or directory
make: *** No rule to make target `/usr/share/cdbs/1/rules/clean-la.mk'. Stop.
dpkg-buildpackage: error: /usr/bin/fakeroot debian/rules clean gave error exit status 2
******************************************************************************
Build finished at 20110818-0043
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libwmf-0.2.8.4