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# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ax_with_curses.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_WITH_CURSES
#
# DESCRIPTION
#
# Detect SysV compatible curses, such as ncurses.
#
# Defines HAVE_CURSES_H or HAVE_NCURSES_H if curses is found. CURSES_LIB
# is also set with the required library, but is not appended to LIBS
# automatically. If no working curses library is found CURSES_LIB will be
# left blank. If CURSES_LIB is set in the environment, the supplied value
# will be used.
#
# There are two options: --with-ncurses forces the use of ncurses, and
# --with-ncursesw forces the use of ncursesw (wide character ncurses). The
# corresponding options --without-ncurses and --without-ncursesw force
# those libraries not to be used. By default, ncursesw is preferred to
# ncurses, which is preferred to plain curses.
#
# ax_cv_curses is set to "yes" if any curses is found (including
# ncurses!); ax_cv_ncurses is set to "yes" if any ncurses is found, and
# ax_cv_ncursesw is set to "yes" if ncursesw is found.
#
# LICENSE
#
# Copyright (c) 2009 Mark Pulford <mark@kyne.com.au>
# Copyright (c) 2009 Damian Pietras <daper@daper.net>
# Copyright (c) 2009 Reuben Thomas <rrt@sc3d.org>
#
# 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 <http://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.
AU_ALIAS([MP_WITH_CURSES], [AX_WITH_CURSES])
AC_DEFUN([AX_WITH_CURSES],
[AC_ARG_WITH(ncurses, [AC_HELP_STRING([--with-ncurses],
[Force the use of ncurses over curses])],,)
ax_save_LIBS="$LIBS"
AC_ARG_WITH(ncursesw, [AC_HELP_STRING([--without-ncursesw],
[Don't use ncursesw (wide character support)])],,)
if test ! "$CURSES_LIB" -a "$with_ncurses" != no -a "$with_ncursesw" != "no"
then
AC_CACHE_CHECK([for working ncursesw], ax_cv_ncursesw,
[LIBS="$ax_save_LIBS -lncursesw"
AC_TRY_LINK(
[#include <ncurses.h>],
[chtype a; int b=A_STANDOUT, c=KEY_LEFT; initscr(); ],
ax_cv_ncursesw=yes, ax_cv_ncursesw=no)])
if test "$ax_cv_ncursesw" = yes
then
AC_CHECK_HEADER([ncursesw/curses.h], AC_DEFINE(HAVE_NCURSESW_H, 1,
[Define if you have ncursesw.h]))
AC_DEFINE(HAVE_NCURSES_H, 1, [Define if you have ncursesw/curses.h])
AC_DEFINE(HAVE_NCURSESW, 1, [Define if you have libncursesw])
CURSES_LIB="-lncursesw"
ax_cv_ncurses=yes
ax_cv_curses=yes
fi
fi
if test ! "$CURSES_LIB" -a "$with_ncurses" != no -a "$with_ncursesw" != yes
then
AC_CACHE_CHECK([for working ncurses], ax_cv_ncurses,
[LIBS="$ax_save_LIBS -lncurses"
AC_TRY_LINK(
[#include <ncurses.h>],
[chtype a; int b=A_STANDOUT, c=KEY_LEFT; initscr(); ],
ax_cv_ncurses=yes, ax_cv_ncurses=no)])
if test "$ax_cv_ncurses" = yes
then
AC_DEFINE([HAVE_NCURSES_H],[1],[Define if you have ncurses.h])
CURSES_LIB="-lncurses"
fi
ax_cv_curses=yes
fi
if test "$ax_cv_curses" != yes -a "$with_ncurses" != yes -a "$with_ncursesw" != yes
then
if test ! "$CURSES_LIB"
then
CURSES_LIB="-lcurses"
fi
AC_CACHE_CHECK([for working curses], ax_cv_curses,
[LIBS="$ax_save_LIBS $CURSES_LIB"
AC_TRY_LINK(
[#include <curses.h>],
[chtype a; int b=A_STANDOUT, c=KEY_LEFT; initscr(); ],
ax_cv_curses=yes, ax_cv_curses=no)])
if test "$ax_cv_curses" = yes
then
AC_DEFINE([HAVE_CURSES_H],[1],[Define if you have curses.h])
fi
fi
LIBS="$ax_save_LIBS"
])dnl
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