octave-symbolic version 1.0.9-2 failed to build in oneiric

octave-symbolic version 1.0.9-2 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2706857

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/2706857/+files/buildlog_ubuntu-oneiric-amd64.octave-symbolic_1.0.9-2_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 857 lines into the build log:

mkoctfile -v -c op-vpa.cc
g++ -c -fPIC -I/usr/include/octave-3.2.4 -I/usr/include/octave-3.2.4/octave -I/usr/include/mpi -I/usr/include/freetype2 -g -O2 op-vpa.cc -o op-vpa.o
mkoctfile -v -o symbols.oct symbols.o probably_prime.o differentiate.o findsymbols.o numden.o syminfo.o symlsolve.o sumterms.o sym-bool.o sym-create.o ov-ex.o ov-vpa.o ov-ex-mat.o ov-relational.o op-ex-mat.o op-ex.o op-vpa.o `pkg-config --libs ginac`
g++ -shared -Wl,-Bsymbolic -o symbols.oct symbols.o probably_prime.o differentiate.o findsymbols.o numden.o syminfo.o symlsolve.o sumterms.o sym-bool.o sym-create.o ov-ex.o ov-vpa.o ov-ex-mat.o ov-relational.o op-ex-mat.o op-ex.o op-vpa.o -lginac -lcln -L/usr/lib/octave-3.2.4 -loctinterp -loctave -lcruft -Wl,--as-needed -llapack -lblas -lfftw3 -lfftw3f -lreadline -lncurses -ldl -lhdf5 -lz -lm -lgfortranbegin -lgfortran
make[1]: Leaving directory `/build/buildd/octave-symbolic-1.0.9/src'
copyfile /build/buildd/octave-symbolic-1.0.9/./src/symbols.oct /build/buildd/octave-symbolic-1.0.9/./inst/x86_64-pc-linux-gnu-api-v37
octave_help_GOPAvA:16: Misplaced {.
octave_help_GOPAvA:16: Misplaced }.
warning: gen_doc_cache: unusable help text in 'poly2sym'. Ignoring function.
octave_help_pMUbgs:17: Misplaced {.
octave_help_pMUbgs:17: Misplaced }.
warning: gen_doc_cache: unusable help text in 'sym2poly'. Ignoring function.
Inconsistency detected by ld.so: dl-close.c: 736: _dl_close: Assertion `map->l_init_called' failed!
make: *** [install-pkg] Error 127
dpkg-buildpackage: error: /usr/bin/fakeroot debian/rules binary-arch gave error exit status 2
******************************************************************************
Build finished at 20110822-1036
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/octave-symbolic-1.0.9