{ lib, stdenv, fetchurl, pkg-config, gnutls, gsasl, libidn, Security }: with lib; stdenv.mkDerivation rec { pname = "mpop"; version = "1.4.13"; src = fetchurl { url = "https://marlam.de/${pname}/releases/${pname}-${version}.tar.xz"; sha256 = "sha256-s0mEZsZbZQrdGm55IJsnuoY3VnOkXJalknvtaFoyfcE="; }; nativeBuildInputs = [ pkg-config ]; buildInputs = [ gnutls gsasl libidn ] ++ optional stdenv.isDarwin Security; configureFlags = optional stdenv.isDarwin [ "--with-macosx-keyring" ]; meta = { description = "POP3 mail retrieval agent"; homepage = "https://marlam.de/mpop"; license = licenses.gpl3Plus; platforms = platforms.unix; }; }