g++ -c -pthread -Wno-invalid-offsetof -Wformat -g -DNOPCH -I/usr/include/boost-1_46 -I/usr/include/db4.8 -DUSE_SSL -fno-stack-protector -fstack-protector-all -Wstack-protector -Wl,-z,relro -Wl,-z,now -D_FORTIFY_SOURCE=2 -march=native -O2 -MMD -o obj/nogui/checkpoints.o checkpoints.cpp
Fixed in =net-p2p/bitcoind-0.5.3 without rev bump. Please reopen if this is still a problem.