libkqueue version 1.0.4-1 failed to build in oneiric

libkqueue version 1.0.4-1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2701467

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/2701467/+files/buildlog_ubuntu-oneiric-amd64.libkqueue_1.0.4-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 228 lines into the build log:

dh build
   dh_testdir
   dh_auto_configure
eval: 1: disable-maintainer-mode=--disable-maintainer-mode: not found
eval: 1: disable-dependency-tracking=--disable-dependency-tracking: not found
checking operating system type.. linux
checking for a C compiler.. /usr/bin/cc
checking for a suitable linker.. /usr/bin/cc
checking for a suitable archiver.. /usr/bin/ar
checking for a BSD-compatible install.. /usr/bin/install
checking for a suitable diff(1) command.. found
*** ERROR: Cannot find <sys/epoll.h>
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/libkqueue --disable-maintainer-mode --disable-dependency-tracking returned exit code 1
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110821-2043
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libkqueue-1.0.4