Import 'copysign' and 'isfinite' modules from Gnulib.
[bpt/guile.git] / m4 / tm_gmtoff.m4
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f240aacb 1# tm_gmtoff.m4 serial 3
af07e104 2dnl Copyright (C) 2002, 2009-2013 Free Software Foundation, Inc.
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3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_TM_GMTOFF],
8[
9 AC_CHECK_MEMBER([struct tm.tm_gmtoff],
f240aacb 10 [AC_DEFINE([HAVE_TM_GMTOFF], [1],
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11 [Define if struct tm has the tm_gmtoff member.])],
12 ,
13 [#include <time.h>])
14])