code.delx.au - gnu-emacs/blob - m4/timegm.m4

   1 # timegm.m4 serial 11
   2 dnl Copyright (C) 2003, 2007, 2009-2016 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 AC_DEFUN([gl_FUNC_TIMEGM],
   8 [
   9   AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
  10   AC_REQUIRE([gl_FUNC_MKTIME])
  11   REPLACE_TIMEGM=0
  12   AC_CHECK_FUNCS_ONCE([timegm])
  13   if test $ac_cv_func_timegm = yes; then
  14     if test $gl_cv_func_working_mktime = no; then
  15       # Assume that timegm is buggy if mktime is.
  16       REPLACE_TIMEGM=1
  17     fi
  18   else
  19     HAVE_TIMEGM=0
  20   fi
  21 ])
  22
  23 # Prerequisites of lib/timegm.c.
  24 AC_DEFUN([gl_PREREQ_TIMEGM], [
  25   :
  26 ])