1 files changed, 3 insertions, 5 deletions

diff --git a/m4/mktime.m4 b/m4/mktime.m4
index 8d9b827fe21..4e7e423fa54 100644
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -1,4 +1,4 @@
-# serial 32
+# serial 35
 dnl Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
@@ -31,7 +31,6 @@ AC_DEFUN([gl_FUNC_MKTIME_WORKS],
   dnl in Autoconf and because it invokes AC_LIBOBJ.
   AC_CHECK_HEADERS_ONCE([unistd.h])
   AC_CHECK_DECLS_ONCE([alarm])
-  AC_CHECK_FUNCS_ONCE([tzset])
   AC_REQUIRE([gl_MULTIARCH])
   AC_CACHE_CHECK([for working mktime], [gl_cv_func_working_mktime],
     [if test $APPLE_UNIVERSAL_BUILD = 1; then
@@ -55,13 +54,12 @@ AC_DEFUN([gl_FUNC_MKTIME_WORKS],
 # include <signal.h>
 #endif
 
+]GL_MDA_DEFINES[
+
 #ifndef TIME_T_IS_SIGNED
 # define TIME_T_IS_SIGNED 0
 #endif
 
-/* Work around redefinition to rpl_putenv by other config tests.  */
-#undef putenv
-
 static time_t time_t_max;
 static time_t time_t_min;