stripping (with flags -S) in  /nix/store/yd30x9jvjgjfk0a6k9r833k31i4y0gsn-sdf-library/lib 
strip: can't process non-object and non-archive file: /nix/store/yd30x9jvjgjfk0a6k9r833k31i4y0gsn-sdf-library/lib/pkgconfig/sdf-library.pc
patching script interpreter paths