1 files changed, 4 insertions, 8 deletions

diff --git a/gl/m4/errno_h.m4 b/gl/m4/errno_h.m4
index c813ea5..51dfe92 100644
--- a/gl/m4/errno_h.m4
+++ b/gl/m4/errno_h.m4
@@ -1,9 +1,11 @@
-# errno_h.m4 serial 12
-dnl Copyright (C) 2004, 2006, 2008-2013 Free Software Foundation, Inc.
+# errno_h.m4 serial 13
+dnl Copyright (C) 2004, 2006, 2008-2021 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.
 
+AC_PREREQ([2.61])
+
 AC_DEFUN_ONCE([gl_HEADER_ERRNO_H],
 [
   AC_REQUIRE([AC_PROG_CC])
@@ -129,9 +131,3 @@ yes
     AC_SUBST($1[_VALUE])
   fi
 ])
-
-dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
-dnl Remove this when we can assume autoconf >= 2.61.
-m4_ifdef([AC_COMPUTE_INT], [], [
-  AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
-])