diff --git a/ChangeLog b/ChangeLog
index 929cb44..23b02e0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-30  Ben Elliston  <bje@gnu.org>
+
+	* config.sub: Recognise os108*.
+	* testsuite/config-sub.data: Add a test case.
+
 2019-06-26  Ben Elliston  <bje@gnu.org>
 
 	* testsuite/config-sub.data: Many more missing test cases.
diff --git a/config.sub b/config.sub
index f39fda3..010c1ec 100755
--- a/config.sub
+++ b/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2019 Free Software Foundation, Inc.
 
-timestamp='2019-06-26'
+timestamp='2019-06-30'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1347,7 +1347,7 @@ case $os in
 	     | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
 	     | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
 	     | knetbsd* | mirbsd* | netbsd* \
-	     | bitrig* | openbsd* | solidbsd* | libertybsd* \
+	     | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
 	     | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
 	     | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
 	     | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
diff --git a/testsuite/config-sub.data b/testsuite/config-sub.data
index 8e091bf..f4c8e39 100644
--- a/testsuite/config-sub.data
+++ b/testsuite/config-sub.data
@@ -755,6 +755,7 @@ x86_64-dicos					x86_64-pc-dicos
 x86_64-ericsson-dicos				x86_64-ericsson-dicos
 x86_64-fuchsia					x86_64-pc-fuchsia
 x86_64-glidix					x86_64-pc-glidix
+x86_64-os108					x86_64-pc-os108
 x86_64-pc-ptx					x86_64-pc-ptx
 x86_64-ptx					x86_64-pc-ptx
 x86_64-redox					x86_64-pc-redox