rec {
   version="4.15";
   name="libev-4.15";
   hash="1svgc1hq4i5zsw4i02sf7xb4pk2d8kpvc1gdrd856vsmffh47pdj";
   url="http://dist.schmorp.de/libev/Attic/libev-${version}.tar.gz";
   advertisedUrl="http://dist.schmorp.de/libev/Attic/libev-4.15.tar.gz";
  
  
}