away version 0.9.5-3 failed to build on i386

away version 0.9.5-3 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2446054

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2446054/+files/buildlog_ubuntu-natty-i386.away_0.9.5-3_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 851 lines into the build log:

cd build-tree/away-0.9.5 && /usr/bin/make
make[1]: Entering directory `/build/buildd/away-0.9.5/build-tree/away-0.9.5'
gcc -O2 -g -Wall -D_REENTRANT -lpthread -lpam -lpam_misc away.c -o away
/tmp/ccDubW35.o: In function `authenticate':
/build/buildd/away-0.9.5/build-tree/away-0.9.5/away.c:157: undefined reference to `pam_start'
/build/buildd/away-0.9.5/build-tree/away-0.9.5/away.c:163: undefined reference to `pam_end'
/build/buildd/away-0.9.5/build-tree/away-0.9.5/away.c:160: undefined reference to `pam_authenticate'
/tmp/ccDubW35.o: In function `master':
/build/buildd/away-0.9.5/build-tree/away-0.9.5/away.c:122: undefined reference to `pthread_create'
/tmp/ccDubW35.o:(.data+0xe0): undefined reference to `misc_conv'
collect2: ld returned 1 exit status
make[1]: *** [away] Error 1
make[1]: Leaving directory `/build/buildd/away-0.9.5/build-tree/away-0.9.5'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110419-0210
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/away-0.9.5