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# This file is part of Direvent -*- autoconf -*-
# Copyright (C) 2012-2016 Sergey Poznyakoff
#
# Direvent 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, or (at your option)
# any later version.
#
# Direvent 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 Direvent. If not, see <http://www.gnu.org/licenses/>.
AC_DEFUN([DEVT_CC_OPT],[
m4_pushdef([devt_optname],translit($1,[-],[_]))
AC_MSG_CHECKING(whether $CC accepts $1)
devt_save_cc="$CC"
CC="$CC $1"
AC_TRY_RUN([int main() { return 0; }],
[devt_cv_cc_]devt_optname=yes,
[devt_cv_cc_]devt_optname=no,
[devt_cv_cc_]devt_optname=no)
CC="$devt_save_cc"
AC_MSG_RESULT($[devt_cv_cc_]devt_optname)
if test $[devt_cv_cc_]devt_optname = yes; then
ifelse([$2],,:,[$2])
ifelse([$3],,,else
[$3])
fi
m4_popdef([devt_optname])
])
AC_DEFUN([DEVT_CC_OPT_CFLAGS],[
DEVT_CC_OPT([$1],[CFLAGS="$CFLAGS $1"])
])
AC_DEFUN([DEVT_CC_PAREN_QUIRK],[
DEVT_CC_OPT_CFLAGS([-Wno-parentheses])
])
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