I've noticed that qdbm 1.8.30-2 was failed to be built on arm and hppa. Both are failed like this:

g++ -I. -I./.. -I/home/buildd/include -I/usr/local/include -D_XOPEN_SOURCE_EXTENDED=1 -D_GNU_SOURCE=1 -D__EXTENSIONS__=1 -D_HPUX_SOURCE=1 -D_POSIX_MAPPED_FILES=1 -D_POSIX_SYNCHRONIZED_IO=1 -DPIC=1 -D_REENTRANT=1 -Wall -ansi -pedantic -fsigned-char -fPIC -O1 -DNDEBUG -c xdepot.cc
xdepot.cc: In member function 'qdbm::Datum qdbm::Depot::_ZTv0_n28_N4qdbm5Depot8fetchrecERKNS_5DatumE(const qdbm::Datum&)':
xdepot.cc:472: internal compiler error: in cp_expr_size, at cp/cp-objcp-common.c:101
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.0/README.Bugs>.
make[1]: *** [xdepot.o] Error 1
make[1]: Leaving directory `/build/buildd/qdbm-1.8.30/plus'
make: *** [build-stamp] Error 2

It must be a bug in g++-4.0 (4.0.0-12) in arm and hppa. Other architectures don't have this problem (successfully built).

Since I'll leave for debconf tomorrow, I don't have enough to time to investigate to submit a bug report. (gcc-4.0/README.Bugs says "What we do not want: The location (URL) of the package that failed to build" and URLs are what I only know now), I'll check this at HUT in more detail.