--- media-sound/umurmur/umurmur-0.2.16a.ebuild
+++ media-sound/umurmur/umurmur-0.2.16a-r1.ebuild
@@ -12,14 +12,17 @@
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="amd64 ~arm x86"
-IUSE="gnutls polarssl shm"
+KEYWORDS="~amd64 ~arm ~x86"
+IUSE="gnutls libressl polarssl shm"
 
+# ssl-provider precendence: polarssl, gnutls, libressl
+# and openssl if none specified
 DEPEND=">=dev-libs/protobuf-c-1.0.0_rc2
 	dev-libs/libconfig
-	gnutls? ( >=net-libs/gnutls-3.0.0 )
 	polarssl? ( >=net-libs/polarssl-1.0.0 )
-	!gnutls? ( !polarssl? ( dev-libs/openssl:0 ) )"
+	gnutls? ( !polarssl? ( >=net-libs/gnutls-3.0.0 ) )
+	libressl? ( !polarssl? ( !gnutls? ( dev-libs/libressl ) ) )
+	!gnutls? ( !polarssl? ( !libressl? ( dev-libs/openssl:0 ) ) )"
 
 RDEPEND="${DEPEND}"
 
@@ -27,6 +30,18 @@
 	A configuration file has been installed at /etc/umurmur.conf - you may
 	want to review it. See also\n
 	https://github.com/umurmur/umurmur/wiki/Configuration "
+
+pkg_pretend() {
+	local ssl_provider=(  )
+	use polarssl && ssl_provider+=( polarssl )
+	use gnutls && ssl_provider+=( gnutls )
+	use libressl && ssl_provider+=( libressl )
+
+	if [[ ${#ssl_provider[@]} -gt 1 ]] ; then
+		ewarn "More than one ssl provider selected (${ssl_provider[@]})"
+		ewarn "defaulting to ${ssl_provider[0]}."
+	fi
+}
 
 pkg_setup() {
 	enewgroup murmur
@@ -39,10 +54,6 @@
 
 src_configure() {
 	local myconf
-
-	if use polarssl && use gnutls; then
-		ewarn "Both gnutls and polarssl requested, defaulting to polarssl."
-	fi
 
 	econf \
 		--with-ssl=$(usev polarssl || usev gnutls || echo openssl) \