stripping (with flags -S) in  /nix/store/1smmd0n4ga7ai05xq845mygqqcyhzsjn-pgen/lib  /nix/store/1smmd0n4ga7ai05xq845mygqqcyhzsjn-pgen/bin 
strip: can't process non-object and non-archive file: /nix/store/1smmd0n4ga7ai05xq845mygqqcyhzsjn-pgen/lib/pkgconfig/pgen.pc
patching script interpreter paths