1 files changed, 5 insertions, 4 deletions

diff --git a/gl/m4/lock.m4 b/gl/m4/lock.m4
index eb0fc6a1..7058fb30 100644
--- a/gl/m4/lock.m4
+++ b/gl/m4/lock.m4
@@ -1,9 +1,10 @@
 # lock.m4
-# serial 14
-dnl Copyright (C) 2005-2024 Free Software Foundation, Inc.
+# serial 15
+dnl Copyright (C) 2005-2026 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible.
 
@@ -11,8 +12,8 @@ AC_DEFUN([gl_LOCK],
 [
   AC_REQUIRE([gl_THREADLIB])
   if test "$gl_threads_api" = posix; then
-    # OSF/1 4.0 and Mac OS X 10.1 lack the pthread_rwlock_t type and the
-    # pthread_rwlock_* functions.
+    # Mac OS X 10.1 lacks the pthread_rwlock_t type and the pthread_rwlock_*
+    # functions.
     has_rwlock=false
     AC_CHECK_TYPE([pthread_rwlock_t],
       [has_rwlock=true