toga2 version 1.4.1.1SE1-3 failed to build in oneiric

toga2 version 1.4.1.1SE1-3 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2713167

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/2713167/+files/buildlog_ubuntu-oneiric-amd64.toga2_1.4.1.1SE1-3_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 446 lines into the build log:

search.cpp:(.text+0x7d7): undefined reference to `pthread_create'
util.o: In function `my_random(int)':
util.cpp:(.text+0x7d): undefined reference to `floor'
util.o: In function `my_round(double)':
util.cpp:(.text+0xbd): undefined reference to `floor'
probe.o: In function `LoadEgbbLibrary(char*, unsigned int)':
probe.cpp:(.text+0x52): undefined reference to `dlclose'
probe.cpp:(.text+0x5f): undefined reference to `dlopen'
probe.cpp:(.text+0x7a): undefined reference to `dlsym'
probe.cpp:(.text+0x8e): undefined reference to `dlsym'
collect2: ld returned 1 exit status
make[1]: *** [toga2] Error 1
make[1]: Leaving directory `/build/buildd/toga2-1.4.1.1SE1/src'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110824-0110
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/toga2-1.4.1.1SE1