--- /var/db/paludis/gentoo/app-text/qpdf/qpdf-10.0.1-r1.ebuild	2020-06-30 09:56:58.416961014 +0200
+++ qpdf-10.0.1-r1.ebuild	2020-07-07 13:59:45.376015063 +0200
@@ -13,14 +13,16 @@
 SLOT="0/28"
 
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~m68k-mint ~sparc-solaris"
-IUSE="doc examples libressl ssl static-libs test"
+IUSE="doc examples +gnutls libressl ssl static-libs test"
 
 RESTRICT="!test? ( test )"
 
 RDEPEND="
-	net-libs/gnutls:0=
 	sys-libs/zlib
 	virtual/jpeg:0=
+	gnutls? (
+		net-libs/gnutls:0=
+	)
 	ssl? (
 		!libressl? ( dev-libs/openssl:0= )
 		libressl? ( dev-libs/libressl:0= )
@@ -39,14 +41,20 @@
 src_configure() {
 	local myeconfargs=(
 		--disable-implicit-crypto
-		--enable-crypto-gnutls
 		--enable-crypto-native
-		--with-default-crypto=gnutls
+		$(use_enable gnutls crypto-gnutls)
 		$(use_enable ssl crypto-openssl)
 		$(use_enable static-libs static)
 		$(use_enable test test-compare-images)
 	)
-	CONFIG_SHELL="/bin/bash" econf "${myeconfargs[@]}"
+	if use gnutls ; then
+		myeconfargs+=( --with-default-crypto=gnutls )
+	elif use ssl ; then
+		myeconfargs+=( --with-default-crypto=openssl )
+	else
+		myeconfargs+=( --with-default-crypto=native )
+	fi
+	CONFIG_SHELL=/bin/bash econf "${myeconfargs[@]}"
 }
 
 src_install() {