anchor.diff:  { fetchurl
   , lib, stdenv
   , pkg-config
  -, fetchpatch
   , meson
   , ninja
   , glib
  
positive.code:     db
      dbus-glib
      evolution-data-server
      libsecret
      libsoup
      libxml2
  
negative.code:     ]))
    ];
  
    mesonFlags = [
      "-Ddocs=true"
      "-Dtelepathy_backend=${lib.boolToString telepathySupport}"
      # For some reason, the tests are getting stuck on 31/32,
      # even though the one missing test finishes just fine on next run,
      # when tests are permuted differently. And another test that
      # previously passed will be stuck instead.
      "-Dtests=false"
    ];
  
    doCheck = false;
  
    # Prevents e-d-s add-contacts-stress-test from timing out
    checkPhase = ''
  