--- qtcore-5.13.2.ebuild	2019-11-18 12:48:30.978139479 +0800
+++ qtcore-5.13.2-r1.ebuild	2019-11-18 12:49:49.617168707 +0800
@@ -58,7 +55,9 @@
 
 src_configure() {
 	local myconf=(
 		-no-feature-statx	# bug 672856
+		$(qt_use !prefix feature-renameat2)
+		$(qt_use !prefix feature-getentropy)
 		$(qt_use icu)
 		$(qt_use !icu iconv)
 		$(qt_use systemd journald)