diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..31651bc --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,44 @@ +# This file is part of Direvent -*- autoconf -*- +# Copyright (C) 2012-2014 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]) +]) + |