{ stdenv, fetchurl, openssl, pkgconfig, gnutls, gsasl, libidn, Security }: with stdenv.lib; stdenv.mkDerivation rec { version = "1.4.3"; name = "mpop-${version}"; src = fetchurl { url = "https://marlam.de/mpop/releases/${name}.tar.xz"; sha256 = "1di86frxv4gj8fasni409m87qmv0j0vmj13lawkz1pwv9hbynhjb"; }; nativeBuildInputs = [ pkgconfig ]; 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; }; }