webkitkde version 0.9.6-0ubuntu2 failed to build in oneiric

webkitkde version 0.9.6-0ubuntu2 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2714610

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/2714610/+files/buildlog_ubuntu-oneiric-amd64.webkitkde_0.9.6-0ubuntu2_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1099 lines into the build log:

[ 5%] Building CXX object src/CMakeFiles/kwebkit.dir/kwebkit_automoc.o
In file included from /usr/include/KDE/KWebView:1:0,
                 from /build/buildd/webkitkde-0.9.6/build/src/../../src/webview.h:29,
                 from /build/buildd/webkitkde-0.9.6/build/src/moc_webview.cpp:10,
                 from /build/buildd/webkitkde-0.9.6/build/src/kwebkit_automoc.cpp:5:
/usr/include/KDE/../kwebview.h:31:29: fatal error: QtWebKit/QWebView: No such file or directory
compilation terminated.
make[3]: *** [src/CMakeFiles/kwebkit.dir/kwebkit_automoc.o] Error 1
make[3]: Leaving directory `/build/buildd/webkitkde-0.9.6/build'
make[2]: *** [src/CMakeFiles/kwebkit.dir/all] Error 2
make[2]: Leaving directory `/build/buildd/webkitkde-0.9.6/build'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/webkitkde-0.9.6/build'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110824-1007
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/webkitkde-0.9.6