-#serial 2
+#serial 7
+
+# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
dnl From Jim Meyering.
dnl
dnl See if gettimeofday clobbers the static buffer that localtime uses
-dnl for it's return value. The gettimeofday function from Mac OS X 10.0.4,
-dnl i.e. Darwin 1.3.7 has this problem.
+dnl for its return value. The gettimeofday function from Mac OS X 10.0.4
+dnl (i.e., Darwin 1.3.7) has this problem.
dnl
dnl If it does, then arrange to use gettimeofday and localtime only via
dnl the wrapper functions that work around the problem.
AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER],
[
AC_REQUIRE([AC_HEADER_TIME])
- AC_CHECK_HEADERS(string.h stdlib.h)
AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer],
jm_cv_func_gettimeofday_clobber,
[AC_TRY_RUN([
#include <stdio.h>
-#if HAVE_STRING_H
-# include <string.h>
-#endif
+#include <string.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# endif
#endif
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
int
main ()
jm_cv_func_gettimeofday_clobber=yes)
])
if test $jm_cv_func_gettimeofday_clobber = yes; then
- AC_LIBOBJ(gettimeofday)
- AC_DEFINE(localtime, rpl_localtime,
- [Define to rpl_localtime if the replacement function should be used.])
+ gl_GETTIMEOFDAY_REPLACE_LOCALTIME
+
AC_DEFINE(gettimeofday, rpl_gettimeofday,
[Define to rpl_gettimeofday if the replacement function should be used.])
- AC_DEFINE(GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER, 1,
- [Define if gettimeofday clobbers localtime's static buffer.])
+ gl_PREREQ_GETTIMEOFDAY
fi
])
+
+AC_DEFUN([gl_GETTIMEOFDAY_REPLACE_LOCALTIME], [
+ AC_LIBOBJ(gettimeofday)
+ AC_DEFINE(gmtime, rpl_gmtime,
+ [Define to rpl_gmtime if the replacement function should be used.])
+ AC_DEFINE(localtime, rpl_localtime,
+ [Define to rpl_localtime if the replacement function should be used.])
+])
+
+# Prerequisites of lib/gettimeofday.c.
+AC_DEFUN([gl_PREREQ_GETTIMEOFDAY], [
+ AC_REQUIRE([AC_HEADER_TIME])
+])