stardict version 3.0.1-7ubuntu1 failed to build in oneiric

stardict version 3.0.1-7ubuntu1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2712133

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/2712133/+files/buildlog_ubuntu-oneiric-amd64.stardict_3.0.1-7ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1981 lines into the build log:

                 from newton.cpp:1:
scene.hpp: In constructor 'scene_t::scene_t()':
scene.hpp:21:16: error: 'NULL' was not declared in this scope
make[4]: *** [newton.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
mv -f .deps/court_widget.Tpo .deps/court_widget.Plo
make[4]: Leaving directory `/build/buildd/stardict-3.0.1/stardict-plugins/stardict-wordnet-plugin'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/build/buildd/stardict-3.0.1/stardict-plugins'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/stardict-3.0.1'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/stardict-3.0.1'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110823-2230
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/stardict-3.0.1