dnl Copyright (C) 2015 Free Software Foundation, Inc.dnl This file is free software, distributed under the terms of the GNUdnl General Public License.  As a special exception to the GNU Generaldnl Public License, this file may be distributed as part of a programdnl that contains a configuration script generated by Autoconf, underdnl the same distribution terms as the rest of that program. # Define HAVE_BITFIELD_TYPE_MATTERS if the type of bitfields effects their# alignment. AC_DEFUN([gt_BITFIELD_TYPE_MATTERS],[  AC_CACHE_CHECK([if the type of bitfields matters], gt_cv_bitfield_type_matters,  [    AC_TRY_COMPILE(      [struct foo1 { char x; char y:1; char z; };struct foo2 { char x; long long int y:1; char z; };int foo1test[ sizeof (struct foo1) < sizeof (struct foo2) ? 1 : -1 ]; ],      [], gt_cv_bitfield_type_matters=yes, gt_cv_bitfield_type_matters=no)  ])  if test $gt_cv_bitfield_type_matters = yes; then    AC_DEFINE(HAVE_BITFIELD_TYPE_MATTERS, 1,      [Define if the type of bitfields effects alignment.])  fi])