As of r534, gearmand FTBFS on lucid:
/bin/bash ./libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I. -ggdb -DBUILDING_LIBTEST -DLIBTEST_TEMP="\"tmp_chroot\"" -DHAVE_LIBMEMCACHED=0 -g -O2 -c -o libtest/libtest_libtest_la-stream.lo `test -f 'libtest/stream.cc' || echo './'`libtest/stream.cc
libtest/stream.cc: In constructor 'libtest::stream::make_cerr::make_cerr(const char*, int, const char*)':
libtest/stream.cc:48: error: class 'libtest::stream::make_cerr' does not have any field named 'log'
libtest/stream.cc:48: error: no matching function for call to 'libtest::stream::detail::log<libtest::stream::detail::channelln, char, std::char_traits<char>, std::allocator<char> >::log()'
./libtest/stream.h:126: note: candidates are: libtest::stream::detail::log<OutputPolicy, Ch, Tr, A>::log(std::ostream&, const char*, int, const char*) [with OutputPolicy = libtest::stream::detail::channelln, Ch = char, Tr = std::char_traits<char>, A = std::allocator<char>]
./libtest/stream.h:115: note: libtest::stream::detail::log<libtest::stream::detail::channelln, char, std::char_traits<char>, std::allocator<char> >::log(const libtest::stream::detail::log<libtest::stream::detail::channelln, char, std::char_traits<char>, std::allocator<char> >&)
Lucid is gcc 4.4, so perhaps we are using 4.5+ specific features?