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crosstool-ng/m4/ax_with_curses_extra.m4

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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_with_curses_extra.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_WITH_CURSES_PANEL
# AX_WITH_CURSES_MENU
# AX_WITH_CURSES_FORM
#
# DESCRIPTION
#
# These macros try to find additional libraries that often come with
# SysV-compatible Curses. In particular, the Panel, Menu and Form
# libraries are searched, along with their header files. These macros
# depend on AX_WITH_CURSES.
#
# The following preprocessor symbols may be defined by these macros:
#
# By AX_WITH_CURSES_PANEL:
#
# HAVE_PANEL - if the Panel library is present
# HAVE_PANEL_H - if <panel.h> is present and should be used
# HAVE_NCURSES_PANEL_H - if <ncurses/panel.h> should be used
# HAVE_NCURSESW_PANEL_H - if <ncursesw/panel.h> should be used
#
# By AX_WITH_CURSES_MENU:
#
# HAVE_MENU - if the Menu library is present
# HAVE_MENU_H - if <menu.h> is present and should be used
# HAVE_NCURSES_MENU_H - if <ncurses/menu.h> should be used
# HAVE_NCURSESW_MENU_H - if <ncursesw/menu.h> should be used
#
# By AX_WITH_CURSES_FORM:
#
# HAVE_FORM - if the Form library is present
# HAVE_FORM_H - if <form.h> is present and should be used
# HAVE_NCURSES_FORM_H - if <ncurses/form.h> should be used
# HAVE_NCURSESW_FORM_H - if <ncursesw/form.h> should be used
#
# The following output variables may be defined by these macros; these are
# precious and may be overridden on the ./configure command line:
#
# PANEL_LIBS - library to add to xxx_LDADD before CURSES_LIBS
# MENU_LIBS - library to add to xxx_LDADD before CURSES_LIBS
# FORM_LIBS - library to add to xxx_LDADD before CURSES_LIBS
#
# In previous versions of this macro, the flags PANEL_LIB, MENU_LIB and
# FORM_LIB were defined. These have been renamed, in keeping with the
# variable scheme of PKG_CHECK_MODULES, which should eventually supersede
# the use of AX_WITH_CURSES and AX_WITH_CURSES_* macros. These libraries
# are NOT added to LIBS by default. You need to add them to the
# appropriate xxx_LDADD line in your Makefile.am in front of the
# equivalent CURSES_LIBS incantation. For example:
#
# prog_LDADD = @PANEL_LIBS@ @CURSES_LIBS@
#
# If one of the xxx_LIBS variables is set on the configure command line
# (such as by running "./configure PANEL_LIBS=-lmypanel"), then the header
# file searched must NOT contain a subpath. In this case, in other words,
# only <panel.h> would be searched for. The user may use the CPPFLAGS
# precious variable to override the standard #include search path.
#
# The following shell variables may be defined by these macros:
#
# ax_cv_panel - set to "yes" if Panels library is present
# ax_cv_menu - set to "yes" if Menu library is present
# ax_cv_form - set to "yes" if Form library is present
#
# These variables can be used in your configure.ac to determine whether a
# library you require is actually present. For example:
#
# AX_WITH_CURSES
# if test "x$ax_cv_curses" != xyes; then
# AC_MSG_ERROR([requires a SysV or X/Open-compatible Curses library])
# fi
# AX_WITH_CURSES_PANEL
# if test "x$ax_cv_panel" != xyes; then
# AC_MSG_ERROR([requires the Curses Panel library])
# fi
#
# To use the HAVE_xxx_H preprocessor symbols, insert the following into
# your system.h (or equivalent) header file:
#
# For AX_WITH_CURSES_PANEL:
#
# #if defined HAVE_NCURSESW_PANEL_H
# # include <ncursesw/panel.h>
# #elif defined HAVE_NCURSES_PANEL_H
# # include <ncurses/panel.h>
# #elif defined HAVE_PANEL_H
# # include <panel.h>
# #else
# # error "SysV-compatible Curses Panel header file required"
# #endif
#
# For AX_WITH_CURSES_MENU:
#
# #if defined HAVE_NCURSESW_MENU_H
# # include <ncursesw/menu.h>
# #elif defined HAVE_NCURSES_MENU_H
# # include <ncurses/menu.h>
# #elif defined HAVE_MENU_H
# # include <menu.h>
# #else
# # error "SysV-compatible Curses Menu header file required"
# #endif
#
# For AX_WITH_CURSES_FORM:
#
# #if defined HAVE_NCURSESW_FORM_H
# # include <ncursesw/form.h>
# #elif defined HAVE_NCURSES_FORM_H
# # include <ncurses/form.h>
# #elif defined HAVE_FORM_H
# # include <form.h>
# #else
# # error "SysV-compatible Curses Form header file required"
# #endif
#
# LICENSE
#
# Copyright (c) 2011 John Zaitseff <J.Zaitseff@zap.org.au>
#
# 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.
#serial 5
AC_DEFUN([_AX_WITH_CURSES_CHECKEXTRA], [
dnl Parameter 1 is the variable name component, using uppercase letters only
dnl Parameter 2 is the printable library name
dnl Parameter 3 is the C code to try compiling and linking
dnl Parameter 4 is the header filename
dnl Parameter 5 is the library command line
AS_VAR_PUSHDEF([_AX_WITH_CURSES_CHECKEXTRA_have_var], [HAVE_$1])dnl
AS_VAR_PUSHDEF([_AX_WITH_CURSES_CHECKEXTRA_cv_var], [ax_cv_[]m4_tolower($1)])dnl
AS_VAR_PUSHDEF([_AX_WITH_CURSES_CHECKEXTRA_header_var], [ax_cv_header_$4])dnl
AS_VAR_PUSHDEF([_AX_WITH_CURSES_CHECKEXTRA_have_header_var], [HAVE_[]m4_toupper($4)])dnl
ax_saved_LIBS=$LIBS
ax_saved_CPPFLAGS=$CPPFLAGS
AC_CACHE_CHECK([for Curses $2 library with $4], [_AX_WITH_CURSES_CHECKEXTRA_header_var], [
LIBS="$ax_saved_LIBS $5 $CURSES_LIBS"
CPPFLAGS="$ax_saved_CPPFLAGS $CURSES_CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
@%:@include <$4>
]], [$3])],
[_AX_WITH_CURSES_CHECKEXTRA_header_var=yes],
[_AX_WITH_CURSES_CHECKEXTRA_header_var=no])
])
AS_IF([test "x$[]_AX_WITH_CURSES_CHECKEXTRA_header_var" = xyes], [
_AX_WITH_CURSES_CHECKEXTRA_cv_var=yes
AS_LITERAL_IF([$5], [$1_LIBS="$5"])
AC_DEFINE([_AX_WITH_CURSES_CHECKEXTRA_have_var], [1], [Define to 1 if the Curses $2 library is present])
AC_DEFINE([_AX_WITH_CURSES_CHECKEXTRA_have_header_var], [1], [Define to 1 if <$4> is present])
], [
AS_IF([test "x$[]_AX_WITH_CURSES_CHECKEXTRA_cv_var" = xyes], [],
[_AX_WITH_CURSES_CHECKEXTRA_cv_var=no])
])
LIBS=$ax_saved_LIBS
CPPFLAGS=$ax_saved_CPPFLAGS
unset ax_saved_LIBS
unset ax_saved_CPPFLAGS
AS_VAR_POPDEF([_AX_WITH_CURSES_CHECKEXTRA_have_header_var])dnl
AS_VAR_POPDEF([_AX_WITH_CURSES_CHECKEXTRA_header_var])dnl
AS_VAR_POPDEF([_AX_WITH_CURSES_CHECKEXTRA_cv_var])dnl
AS_VAR_POPDEF([_AX_WITH_CURSES_CHECKEXTRA_have_var])dnl
])dnl
AC_DEFUN([_AX_WITH_CURSES_EXTRA], [
dnl Parameter 1 is the variable name component, using uppercase letters only
dnl Parameter 2 is the printable library name
dnl Parameter 3 is the C code to try compiling and linking
dnl Parameter 4 is the header filename component
dnl Parameter 5 is the NCursesW library command line
dnl Parameter 6 is the NCurses library command line
dnl Parameter 7 is the plain Curses library command line
AC_REQUIRE([AX_WITH_CURSES])
AC_ARG_VAR([$1_LIBS], [linker library for Curses $2, e.g. $7])
AS_IF([test "x$[]$1_LIBS" != x], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [$4], [$[]$1_LIBS])
], [
AS_IF([test "x$ax_cv_curses_which" = xncursesw], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [ncursesw/$4], [$5])
AS_IF([test x$[]ax_cv_[]m4_tolower($1) != "xyes"], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [$4], [$6])
])
], [test "x$ax_cv_curses_which" = xncurses], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [$4], [$6])
AS_IF([test x$[]ax_cv_[]m4_tolower($1) != "xyes"], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [ncurses/$4], [$6])
])
], [test "x$ax_cv_curses_which" = xplaincurses], [
_AX_WITH_CURSES_CHECKEXTRA([$1], [$2], [$3], [$4], [$7])
])
])
])dnl
AC_DEFUN([AX_WITH_CURSES_PANEL], [
_AX_WITH_CURSES_EXTRA([PANEL], [Panel], [[
WINDOW *win = newwin(0, 0, 0, 0);
PANEL *pan = new_panel(win);
]], [panel.h], [-lpanelw], [-lpanel], [-lpanel])
])dnl
AC_DEFUN([AX_WITH_CURSES_MENU], [
_AX_WITH_CURSES_EXTRA([MENU], [Menu], [[
ITEM **mi;
MENU *m = new_menu(mi);
]], [menu.h], [-lmenuw], [-lmenu], [-lmenu])
])dnl
AC_DEFUN([AX_WITH_CURSES_FORM], [
_AX_WITH_CURSES_EXTRA([FORM], [Form], [[
FIELD **ff;
FORM *f = new_form(ff);
]], [form.h], [-lformw], [-lform], [-lform])
])dnl
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