stripping (with flags -S) in  /nix/store/grif6xw6yr7xccf4bil81w6lx6n8920r-pgen/lib  /nix/store/grif6xw6yr7xccf4bil81w6lx6n8920r-pgen/bin 
strip: can't process non-object and non-archive file: /nix/store/grif6xw6yr7xccf4bil81w6lx6n8920r-pgen/lib/pkgconfig/pgen.pc
patching script interpreter paths