--- a/net-ftp/lftp/lftp-9999.ebuild	2015-08-09 22:34:52.000000000 +0200
+++ b/net-ftp/lftp/lftp-9999-r1.ebuild	2015-11-10 15:54:45.172482220 +0100
@@ -13,13 +13,11 @@
 SLOT="0"
 KEYWORDS=""
 
-IUSE="convert-mozilla-cookies +gnutls idn nls openssl socks5 +ssl verify-file"
+IUSE="convert-mozilla-cookies +gnutls idn libressl nls socks5 +ssl verify-file"
 LFTP_LINGUAS=( cs de es fr it ja ko pl pt_BR ru uk zh_CN zh_HK zh_TW )
 IUSE+=" ${LFTP_LINGUAS[@]/#/linguas_}"
 
-REQUIRED_USE="
-	ssl? ( ^^ ( openssl gnutls ) )
-"
+REQUIRED_USE="|| ( !gnutls !libressl )"
 
 RDEPEND="
 	>=sys-libs/ncurses-5.1
@@ -32,10 +30,11 @@
 		>=net-proxy/dante-1.1.12
 		virtual/pam
 	)
-	ssl? (
-		gnutls? ( >=net-libs/gnutls-1.2.3 )
-		openssl? ( >=dev-libs/openssl-0.9.6 )
-	)
+	gnutls? ( >=net-libs/gnutls-1.2.3 )
+	ssl? ( !gnutls? (
+		!libressl? ( >=dev-libs/openssl-0.9.6 )
+		libressl? ( dev-libs/libressl )
+	) )
 	verify-file? (
 		dev-perl/string-crc32
 		virtual/perl-Digest-MD5
@@ -68,12 +67,20 @@
 }
 
 src_configure() {
+	if use ssl && ! use gnutls; then
+		# USE="ssl -gnutls" implies OpenSSL or LibreSSL
+		# both are enabled with this
+		openssl_conf="--with-openssl=${EPREFIX}/usr"
+	else
+		openssl_conf="--without-openssl"
+	fi
+
 	econf \
 		$(use_enable nls) \
 		$(use_with gnutls) \
 		$(use_with idn libidn) \
-		$(use_with openssl openssl "${EPREFIX}"/usr) \
 		$(use_with socks5 socksdante "${EPREFIX}"/usr) \
+		"${openssl_conf}" \
 		--enable-packager-mode \
 		--sysconfdir="${EPREFIX}"/etc/${PN} \
 		--with-modules \