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  • Committer: Bazaar Package Importer
  • Author(s): Andreas Metzler
  • Date: 2005-07-04 11:37:37 UTC
  • mto: (11.1.1 lenny) (1.1.10 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20050704113737-oxfumqxsqgfz5gay
Tags: upstream-4.2.22
Import upstream version 4.2.22

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gnulib/m4/time_r.m4
 
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dnl Reentrant time functions like localtime_r.
 
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dnl Copyright (C) 2003 Free Software Foundation, Inc.
 
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dnl This file is free software; the Free Software Foundation
 
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dnl gives unlimited permission to copy and/or distribute it,
 
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dnl with or without modifications, as long as this notice is preserved.
 
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dnl Written by Paul Eggert.
 
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AC_DEFUN([gl_TIME_R],
 
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[
 
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  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
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  AC_REQUIRE([gl_C_RESTRICT])
 
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  AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
 
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    [gl_cv_time_r_posix],
 
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    [AC_TRY_COMPILE(
 
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       [#include <time.h>],
 
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       [/* We don't need to append 'restrict's to the argument types,
 
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           even though the POSIX signature has the 'restrict's,
 
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           since C99 says they can't affect type compatibility.  */
 
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        struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;],
 
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       [gl_cv_time_r_posix=yes],
 
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       [gl_cv_time_r_posix=no])])
 
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  if test $gl_cv_time_r_posix = yes; then
 
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    AC_DEFINE([HAVE_TIME_R_POSIX], 1,
 
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      [Define to 1 if localtime_r, etc. have the type signatures that
 
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       POSIX requires.])
 
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  else
 
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    AC_LIBOBJ([time_r])
 
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    gl_PREREQ_TIME_R
 
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  fi
 
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])
 
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# Prerequisites of lib/time_r.c.
 
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AC_DEFUN([gl_PREREQ_TIME_R], [
 
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  :
 
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])