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[gnulib.git] / m4 / gettimeofday.m4

diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
index e7a5a6d..ae3d306 100644 (file)
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,10 +1,15 @@
-#serial 4
+#serial 6
+
+# Copyright (C) 2001, 2002, 2003 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.
@@ -12,14 +17,11 @@ dnl the wrapper functions that work around the problem.
 AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER],
 [
  AC_REQUIRE([AC_HEADER_TIME])
- AC_CHECK_HEADERS_ONCE(stdlib.h string.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>
@@ -32,9 +34,7 @@ AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER],
 # endif
 #endif
 
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
 
 int
 main ()