Imported Upstream version 1.23

[tar] / m4 / time_r.m4

diff --git a/m4/time_r.m4 b/m4/time_r.m4
index c871b56d76f0ac97bda6736bb660dcff90db9e8f..b5938e79638a846153d3ac660a33bb24abb063f5 100644 (file)
--- a/m4/time_r.m4
+++ b/m4/time_r.m4
@@ -1,6 +1,7 @@
 dnl Reentrant time functions like localtime_r.
 
-dnl Copyright (C) 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+dnl 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.
@@ -17,15 +18,15 @@ AC_DEFUN([gl_TIME_R],
 
   AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
     [gl_cv_time_r_posix],
-    [AC_TRY_COMPILE(
-       [#include <time.h>],
-       [/* We don't need to append 'restrict's to the argument types,
-          even though the POSIX signature has the 'restrict's,
-          since C99 says they can't affect type compatibility.  */
-       struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
-        if (ptr) return 0;
-        /* Check the return type is a pointer.  On HP-UX 10 it is 'int'.  */
-        *localtime_r (0, 0);],
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+         [[#include <time.h>]],
+         [[/* We don't need to append 'restrict's to the argument types,
+              even though the POSIX signature has the 'restrict's,
+              since C99 says they can't affect type compatibility.  */
+           struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
+           if (ptr) return 0;
+           /* Check the return type is a pointer.  On HP-UX 10 it is 'int'.  */
+           *localtime_r (0, 0);]])],
        [gl_cv_time_r_posix=yes],
        [gl_cv_time_r_posix=no])])
   if test $gl_cv_time_r_posix = yes; then