[odb-users] "The system cannot find the path specified" while trying to use b27 installed from bpkg

[NIkolai Marchenko]

All I've done is install odb according to instructions, this error is even
present if you do bpkg test but it certainly is present if you do:

odb -d pgsql

I am a bit at a loss... the only custom step I did was installing fresh
msys and editing the root.build with addition of "config.odb.gxx_name =
/w/tools/msys/mingw64/bin/g++" since I don't know how to configure from
command line