barnowl version 1.6.2-1ubuntu1 failed to build on i386

barnowl version 1.6.2-1ubuntu1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2446154

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2446154/+files/buildlog_ubuntu-natty-i386.barnowl_1.6.2-1ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1764 lines into the build log:

/build/buildd/barnowl-1.6.2/select.c:58: undefined reference to `g_list_insert_sorted'
filterproc.o: In function `send_receive':
/build/buildd/barnowl-1.6.2/filterproc.c:14: undefined reference to `g_string_new'
/build/buildd/barnowl-1.6.2/filterproc.c:61: undefined reference to `g_string_append_len'
/build/buildd/barnowl-1.6.2/filterproc.c:68: undefined reference to `g_string_free'
collect2: ld returned 1 exit status
make[3]: *** [barnowl.bin] Error 1
make[3]: Leaving directory `/build/buildd/barnowl-1.6.2'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/barnowl-1.6.2'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/barnowl-1.6.2'
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 20110419-0254
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/barnowl-1.6.2