anchor.diff: -{ stdenv, pkgconfig, curl, darwin, libiconv, libgit2, libssh2,
  +{ stdenv, pkg-config, curl, darwin, libiconv, libgit2, libssh2,
     openssl, sqlite, zlib, dbus, dbus-glib, gdk-pixbuf, cairo, python3,
     libsodium, postgresql, gmp, foundationdb, ... }:
   
  
positive.code:   };
  
    thrussh-libsodium = attrs: {
      nativeBuildInputs = [ pkgconfig ];
      buildInputs = [ libsodium ];
    };
  
  
negative.code:   };
  
    openssl-sys = attrs: {
      nativeBuildInputs = [ pkg-config ];
      buildInputs = [ openssl ];
    };
  
    pq-sys = attr: {
      nativeBuildInputs = [ pkg-config ];
      buildInputs = [ postgresql ];
    };
  
  