rsplib version 2.7.10-0ubuntu1 failed to build in oneiric

rsplib version 2.7.10-0ubuntu1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2710660

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/2710660/+files/buildlog_ubuntu-oneiric-amd64.rsplib_2.7.10-0ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 2196 lines into the build log:

#define HAVE_NETINET_IN_H 1
#define HAVE_STDERR_FILEPTR 1
#define HAVE_SOCKET 1
#define HAVE_LIBSCTP 1
#define HAVE_SCTP_CONNECTX 1
#define HAVE_SCTP_SEND 1
#define HAVE_CONNECTX_WITH_ID 1
#define HAVE_IEEE_FP 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/rsplib --disable-maintainer-mode --disable-dependency-tracking --disable-maintainer-mode --enable-kernel-sctp --enable-qt --enable-csp returned exit code 1
make[1]: *** [override_dh_auto_configure] Error 25
make[1]: Leaving directory `/build/buildd/rsplib-2.7.10'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110819-0636
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/rsplib-2.7.10