Details here: thread in General forum.
However, who can answer me what is lib/optinfo/interp.os file in 4.2.4 toolchain? I have to remove such dependency in such case from libfoo.pl script. And some packets (like cyassl and lzo) missed -fPIC option which breaks build - I had to correct that manually (with success for lzo, no succes for cyassl and that is why only one platform released so far).
Update is that I solved some problems manually and got all stuff linked together and packed for all platforms.