electricsheep version 2.7~b12+svn20091224-1ubuntu2 failed to build on amd64 with GCC-4.6/oneiric

electricsheep version 2.7~b12+svn20091224-1ubuntu2 failed to build on amd64 with GCC-4.6/oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2449262

Details about the rebuild:
https://lists.ubuntu.com/archives/ubuntu-devel/2011-April/033042.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2449262/+files/buildlog_ubuntu-natty-amd64.electricsheep_2.7%7Eb12%2Bsvn20091224-1ubuntu2_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1679 lines into the build log:

/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:224: undefined reference to `glade_xml_get_widget'
/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:229: undefined reference to `glade_xml_get_widget'
electricsheep_preferences-electricsheep-preferences.o:/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:234: more undefined references to `glade_xml_get_widget' follow
electricsheep_preferences-electricsheep-preferences.o: In function `main':
/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:288: undefined reference to `gtk_init'
/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:292: undefined reference to `glade_xml_new'
/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:295: undefined reference to `glade_xml_signal_autoconnect'
/build/buildd/electricsheep-2.7~b12+svn20091224/electricsheep-preferences.c:296: undefined reference to `gtk_main'
collect2: ld returned 1 exit status
make[2]: *** [electricsheep-preferences] Error 1
make[2]: Leaving directory `/build/buildd/electricsheep-2.7~b12+svn20091224'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/electricsheep-2.7~b12+svn20091224'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110422-0959
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/electricsheep-2.7~b12+svn20091224