I found my old instructions for sb2, not sure will they work anymore: http://jammo.garage.maemo.org/crosscompiling.html (and/or is there some stupidity
sudo maemo-sdk --mirror http://archive.debian.org/debian/ install tools lenny-2009-1
qemu: fatal: cp15 insn ee1d7f70 R00=400966c0 R01=42073ae8 R02=0000e370 R03=0d696914 R04=42073b08 R05=00000000 R06=000a1154 R07=00000000 R08=000124e0 R09=00000000 R10=40096000 R11=00000000 R12=00018fe4 R13=4006f2c0 R14=40084c78 R15=4007e890 PSR=20000010 --C- A usr32