mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-12-12 05:33:35 +01:00
52 lines
2.5 KiB
Plaintext
52 lines
2.5 KiB
Plaintext
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
|
|
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU General Public License as published by the
|
|
# Free Software Foundation, either version 3 of the License, or (at your
|
|
# option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but
|
|
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
|
|
# Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
#
|
|
# As a special exception, the respective Autoconf Macro's copyright owner
|
|
# gives unlimited permission to copy, distribute and modify the configure
|
|
# scripts that are the output of Autoconf when processing the Macro. You
|
|
# need not follow the terms of the GNU General Public License when using
|
|
# or distributing such scripts, even though portions of the text of the
|
|
# Macro appear in them. The GNU General Public License (GPL) does govern
|
|
# all other use of the material that constitutes the Autoconf Macro.
|
|
#
|
|
# This special exception to the GPL applies to versions of the Autoconf
|
|
# Macro released by the Autoconf Archive. When you make and distribute a
|
|
# modified version of the Autoconf Macro, you may extend this special
|
|
# exception to the GPL to apply to your modified version as well.
|
|
# Copying and distribution of this file, with or without modification, are
|
|
# permitted in any medium without royalty provided the copyright notice
|
|
# and this notice are preserved. This file is offered as-is, without any
|
|
# warranty.
|
|
|
|
#serial 5
|
|
#serial 6
|
|
|
|
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
|
|
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
|
|
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
|
|
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
|
|
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
|
|
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
|
|
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
|
|
[AS_VAR_SET(CACHEVAR,[yes])],
|
|
[AS_VAR_SET(CACHEVAR,[no])])
|
|
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
|
|
AS_VAR_IF(CACHEVAR,yes,
|
|
[m4_default([$2], :)],
|
|
[m4_default([$3], :)])
|
|
AS_VAR_POPDEF([CACHEVAR])dnl
|
|
])dnl AX_CHECK_COMPILE_FLAGS
|