--- libgo/go/go/build/syslist.go.orig	2020-03-04 19:30:03.000000000 +1100
+++ libgo/go/go/build/syslist.go	2020-09-08 10:22:20.753024000 +1000
@@ -4,5 +4,5 @@
 
 package build
 
-const goosList = "aix android darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris windows zos "
+const goosList = "aix android bsdsunix darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris windows zos "
 const goarchList = "386 amd64 amd64p32 arm armbe arm64 arm64be alpha m68k ppc64 ppc64le mips mipsle mips64 mips64le mips64p32 mips64p32le ppc riscv64 s390 s390x sh shbe sparc sparc64"