{ stdenv, fetchurl, pam }: stdenv.mkDerivation { name = "vlock-2.2.2"; src = fetchurl { url = mirror://debian/pool/main/v/vlock/vlock_2.2.2.orig.tar.gz; sha256 = "1b9gv7hmlb8swda5bn40lp1yki8b8wv29vdnhcjqfl6ir98551za"; }; prePatch = '' sed -i -e '/INSTALL/s/-[og] [^ ]*//g' Makefile modules/Makefile ''; configureFlags = "VLOCK_GROUP=root ROOT_GROUP=root"; buildInputs = [ pam ]; meta = { description = "Virtual console locking program"; }; }