1 files changed, 5 insertions, 5 deletions

diff --git a/gl/m4/timegm.m4 b/gl/m4/timegm.m4
index 997953c0..58123beb 100644
--- a/gl/m4/timegm.m4
+++ b/gl/m4/timegm.m4
@@ -1,17 +1,17 @@
-# timegm.m4 serial 11
-dnl Copyright (C) 2003, 2007, 2009-2013 Free Software Foundation, Inc.
+# timegm.m4 serial 13
+dnl Copyright (C) 2003, 2007, 2009-2021 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_DEFUN([gl_FUNC_TIMEGM],
 [
-  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
-  AC_REQUIRE([gl_FUNC_MKTIME])
+  AC_REQUIRE([gl_TIME_H_DEFAULTS])
+  AC_REQUIRE([gl_FUNC_MKTIME_WORKS])
   REPLACE_TIMEGM=0
   AC_CHECK_FUNCS_ONCE([timegm])
   if test $ac_cv_func_timegm = yes; then
-    if test $gl_cv_func_working_mktime = no; then
+    if test "$gl_cv_func_working_mktime" != yes; then
       # Assume that timegm is buggy if mktime is.
       REPLACE_TIMEGM=1
     fi