1dnl 2dnl Copyright (C) 2012-2022 Free Software Foundation, Inc. 3dnl 4dnl This file is free software; you can redistribute it and/or modify 5dnl it under the terms of the GNU General Public License as published by 6dnl the Free Software Foundation; either version 3 of the License, or 7dnl (at your option) any later version. 8dnl 9dnl This program is distributed in the hope that it will be useful, 10dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 11dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12dnl GNU General Public License for more details. 13dnl 14dnl You should have received a copy of the GNU General Public License 15dnl along with this program; see the file COPYING3. If not see 16dnl <http://www.gnu.org/licenses/>. 17dnl 18 19dnl See whether 64-bit bfd lib has been enabled. 20AC_DEFUN([BFD_64_BIT], [dnl 21AC_ARG_ENABLE(64-bit-bfd, 22 AS_HELP_STRING([--enable-64-bit-bfd], 23 [64-bit support (on hosts with narrower word sizes)]), 24 [AS_CASE([$enableval], 25 [yes|no], [], 26 [*], [AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option)])], 27 [enable_64_bit_bfd=no]) 28 29dnl If the host is 64-bit, then 64-bit bfd is enabled automatically. 30AS_IF([test "x$enable_64_bit_bfd" = "xno"], [dnl 31 AC_CHECK_SIZEOF(void *) 32 AS_IF([test "x$ac_cv_sizeof_void_p" = "x8"], [enable_64_bit_bfd=yes]) 33]) 34 35AM_CONDITIONAL([ENABLE_BFD_64_BIT], [test "x$enable_64_bit_bfd" = "xyes"]) 36]) 37