sagan version 0.1.9~svn129-1 failed to build on i386

sagan version 0.1.9~svn129-1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+source/sagan/0.1.9~svn129-1/+build/2519832

Direct link to the build log: https://launchpad.net/ubuntu/+source/sagan/0.1.9~svn129-1/+build/2519832/+files/buildlog_ubuntu-oneiric-i386.sagan_0.1.9%7Esvn129-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 778 lines into the build log:

gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/postgresql -g -O2 -c -o sagan-unified2.o `test -f 'output-plugins/sagan-unified2.c' || echo './'`output-plugins/sagan-unified2.c
gcc -g -O2 -lestr -lee -o sagan sagan.o sagan-classifications.o sagan-config.o sagan-lockfile.o sagan-references.o sagan-rules.o sagan-signal.o sagan-key.o sagan-stats.o sagan-strlcat.o sagan-strlcpy.o sagan-usage.o sagan-util.o sagan-plog.o parse-ip.o parse-port.o sagan-alert.o sagan-snort.o sagan-esmtp.o sagan-external.o sagan-logzilla.o sagan-prelude.o sagan-unified2.o -lpcap -llognorm -lprelude -lesmtp -lpq -lmysqlclient_r -lm -lpthread -lpcre
/usr/bin/ld: sagan.o: undefined reference to symbol 'ee_initCtx'
/usr/bin/ld: note: 'ee_initCtx' is defined in DSO /usr/lib/libee.so so try adding it to the linker command line
/usr/lib/libee.so: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make[3]: *** [sagan] Error 1
make[3]: Leaving directory `/build/buildd/sagan-0.1.9~svn129/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/sagan-0.1.9~svn129'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/sagan-0.1.9~svn129'
dh_auto_build: make -j1 returned exit code 2
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110522-1945
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/sagan-0.1.9~svn129