anchor.diff:    ] ++ optional synctexSupport texlive.bin.core
       ++ optional stdenv.isLinux libseccomp
       ++ optional stdenv.isDarwin gtk-mac-integration;
  +
  +  doCheck = true;
   
     meta = {
       homepage = https://pwmt.org/projects/zathura/;
  
positive.code: 
    nativeBuildInputs = [
      meson ninja pkgconfig desktop-file-utils python3.pkgs.sphinx
      gettext wrapGAppsHook libxml2
    ] ++ optional stdenv.isLinux appstream-glib;
  
    buildInputs = [
  
negative.code: { stdenv, fetchurl, meson, ninja, wrapGAppsHook, pkgconfig
  , appstream-glib, desktop-file-utils, python3
  , gtk, girara, gettext, libxml2, check
  , sqlite, glib, texlive, libintl, libseccomp
  , file, librsvg
  , gtk-mac-integration, synctexSupport ? true
  