rtorrent version 0.8.7-7 failed to build on i386

rtorrent version 0.8.7-7 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+source/rtorrent/0.8.7-7/+build/2537652

Direct link to the build log: https://launchpad.net/ubuntu/+source/rtorrent/0.8.7-7/+build/2537652/+files/buildlog_ubuntu-oneiric-i386.rtorrent_0.8.7-7_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1779 lines into the build log:

#define HAVE_SYS_STATVFS_H 1
#define HAVE_SYS_STATFS_H 1
#define FS_STAT_FD fstatvfs(fd, &m_stat) == 0
#define FS_STAT_FN statvfs(fn, &m_stat) == 0
#define FS_STAT_STRUCT struct statvfs
#define FS_STAT_SIZE_TYPE unsigned long
#define FS_STAT_COUNT_TYPE fsblkcnt_t
#define FS_STAT_BLOCK_SIZE (m_stat.f_frsize)

configure: exit 1
dh_auto_configure: ./configure --build=i686-linux-gnu --prefix=/usr --includedir=${prefix}/include --mandir=${prefix}/share/man --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --libexecdir=${prefix}/lib/rtorrent --disable-maintainer-mode --disable-dependency-tracking --with-xmlrpc-c --enable-ipv6 returned exit code 1
make[1]: *** [override_dh_auto_configure] Error 25
make[1]: Leaving directory `/build/buildd/rtorrent-0.8.7'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110612-1336
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/rtorrent-0.8.7