rosegarden version 1:11.06-1 failed to build in oneiric

rosegarden version 1:11.06-1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2710597

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/2710597/+files/buildlog_ubuntu-oneiric-amd64.rosegarden_1%3A11.06-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1237 lines into the build log:

/* confdefs.h */
#define PACKAGE_NAME "Rosegarden"
#define PACKAGE_TARNAME "rosegarden"
#define PACKAGE_VERSION "11.06"
#define PACKAGE_STRING "Rosegarden 11.06"
#define PACKAGE_BUGREPORT "<email address hidden>"
#define PACKAGE_URL ""
#define STDC_HEADERS 1

configure: exit 1
dh_auto_configure: ./configure --build=x86_64-linux-gnu --prefix=/usr --includedir=${prefix}/include --mandir=${prefix}/share/man --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --libexecdir=${prefix}/lib/rosegarden --disable-maintainer-mode --disable-dependency-tracking --enable-debug returned exit code 1
make[1]: *** [override_dh_auto_configure] Error 25
make[1]: Leaving directory `/build/buildd/rosegarden-11.06'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110823-1356
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/rosegarden-11.06