X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ftimegm.m4;h=bdaafbff803d0705a96c4237f4e0560dc9a4d58a;hb=14b6d70139486b63e66257aad1abe2a9615f4d96;hp=9168c09b85d3718f59747ec55617024ef554499e;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/m4/timegm.m4 b/m4/timegm.m4
index 9168c09b8..bdaafbff8 100644
--- a/m4/timegm.m4
+++ b/m4/timegm.m4
@@ -1,4 +1,4 @@
-# timegm.m4 serial 6
+# timegm.m4 serial 8
 dnl Copyright (C) 2003, 2007, 2009, 2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,18 +8,18 @@ AC_DEFUN([gl_FUNC_TIMEGM],
 [
   AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
   AC_REQUIRE([gl_FUNC_MKTIME])
-  if test $ac_cv_func_working_mktime = no; then
-    # Assume that timegm is buggy if mktime is.
-    AC_LIBOBJ([timegm])
-    ac_cv_func_timegm=no
-  else
-    AC_REPLACE_FUNCS([timegm])
-  fi
-  REPLACE_TIMEGM=1
+  REPLACE_TIMEGM=0
+  AC_CHECK_FUNCS_ONCE([timegm])
   if test $ac_cv_func_timegm = yes; then
-    AC_CHECK_DECLS([timegm], [REPLACE_TIMEGM=0], [], [#include <time.h>])
+    if test $ac_cv_func_working_mktime = no; then
+      # Assume that timegm is buggy if mktime is.
+      REPLACE_TIMEGM=1
+    fi
+  else
+    HAVE_TIMEGM=0
   fi
-  if test $REPLACE_TIMEGM = 1; then
+  if test $HAVE_TIMEGM = 0 || test $REPLACE_TIMEGM = 1; then
+    AC_LIBOBJ([timegm])
     gl_PREREQ_TIMEGM
   fi
 ])