stripping (with flags -S) in  /nix/store/57gnwdkpn8844ja06g6ns7v5z7y0d74d-pgen/lib  /nix/store/57gnwdkpn8844ja06g6ns7v5z7y0d74d-pgen/bin 
strip: can't process non-object and non-archive file: /nix/store/57gnwdkpn8844ja06g6ns7v5z7y0d74d-pgen/lib/pkgconfig/pgen.pc
patching script interpreter paths