--- libgo/go/crypto/rand/rand_unix.go.orig	2020-03-04 19:30:03.000000000 +1100
+++ libgo/go/crypto/rand/rand_unix.go	2020-09-08 10:21:52.328086000 +1000
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris
+// +build aix bsdsunix darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris
 
 // Unix cryptographically secure pseudorandom number
 // generator.
@@ -23,7 +23,7 @@
 const urandomDevice = "/dev/urandom"
 
 // Easy implementation: read from /dev/urandom.
-// This is sufficient on Linux, OS X, and FreeBSD.
+// This is sufficient on Linux, BSDSUniX, OS X, and FreeBSD.
 
 func init() {
 	if runtime.GOOS == "plan9" {