anchor.diff:      perl perlPackages.FinanceQuote perlPackages.DateManip
       # guile
       guile slibGuile
  +    # database backends
  +    libdbi libdbiDrivers
       # build
       makeWrapper
     ];
  
positive.code: { fetchurl, stdenv, pkgconfig, libxml2, libxslt, perl, perlPackages, gconf, guile
  , intltool, glib, gtk, libofx, aqbanking, gwenhywfar, libgnomecanvas, goffice
  , webkit, glibcLocales, gsettings_desktop_schemas, makeWrapper, dconf, file
  , gettext, swig, slibGuile, enchant, bzip2, isocodes
  }:
  
  /*
  
negative.code:   patchShebangs ./src
    '';
  
    configureFlags = [
      "CFLAGS=-O3"
      "CXXFLAGS=-O3"
      "--enable-dbi"
      "--with-dbi-dbd-dir=${libdbiDrivers}/lib/dbd/"
      "--enable-ofx"
      "--enable-aqbanking"
    ];
  
    postInstall = ''
      # Auto-updaters don't make sense in Nix.
  