1: # ===========================================================================
2: # http://www.gnu.org/software/autoconf-archive/ax_with_curses.html
3: # ===========================================================================
4: #
5: # SYNOPSIS
6: #
7: # AX_WITH_CURSES
8: #
9: # DESCRIPTION
10: #
11: # This macro checks whether a SysV or X/Open-compatible Curses library is
12: # present, along with the associated header file. The NcursesW
13: # (wide-character) library is searched for first, followed by Ncurses,
14: # then the system-default plain Curses. The first library found is the
15: # one returned.
16: #
17: # The following options are understood: --with-ncursesw, --with-ncurses,
18: # --without-ncursesw, --without-ncurses. The "--with" options force the
19: # macro to use that particular library, terminating with an error if not
20: # found. The "--without" options simply skip the check for that library.
21: # The effect on the search pattern is:
22: #
23: # (no options) - NcursesW, Ncurses, Curses
24: # --with-ncurses --with-ncursesw - NcursesW only [*]
25: # --without-ncurses --with-ncursesw - NcursesW only [*]
26: # --with-ncursesw - NcursesW only [*]
27: # --with-ncurses --without-ncursesw - Ncurses only [*]
28: # --with-ncurses - NcursesW, Ncurses [**]
29: # --without-ncurses --without-ncursesw - Curses only
30: # --without-ncursesw - Ncurses, Curses
31: # --without-ncurses - NcursesW, Curses
32: #
33: # [*] If the library is not found, abort the configure script.
34: #
35: # [**] If the second library (Ncurses) is not found, abort configure.
36: #
37: # The following preprocessor symbols may be defined by this macro if the
38: # appropriate conditions are met:
39: #
40: # HAVE_CURSES - if any SysV or X/Open Curses library found
41: # HAVE_CURSES_ENHANCED - if library supports X/Open Enhanced functions
42: # HAVE_CURSES_COLOR - if library supports color (enhanced functions)
43: # HAVE_CURSES_OBSOLETE - if library supports certain obsolete features
44: # HAVE_NCURSESW - if NcursesW (wide char) library is to be used
45: # HAVE_NCURSES - if the Ncurses library is to be used
46: #
47: # HAVE_CURSES_H - if <curses.h> is present and should be used
48: # HAVE_NCURSESW_H - if <ncursesw.h> should be used
49: # HAVE_NCURSES_H - if <ncurses.h> should be used
50: # HAVE_NCURSESW_CURSES_H - if <ncursesw/curses.h> should be used
51: # HAVE_NCURSES_CURSES_H - if <ncurses/curses.h> should be used
52: #
53: # (These preprocessor symbols are discussed later in this document.)
54: #
55: # The following output variable is defined by this macro; it is precious
56: # and may be overridden on the ./configure command line:
57: #
58: # CURSES_LIB - library to add to xxx_LDADD
59: #
60: # The library listed in CURSES_LIB is NOT added to LIBS by default. You
61: # need to add CURSES_LIB to the appropriate xxx_LDADD line in your
62: # Makefile.am. For example:
63: #
64: # prog_LDADD = @CURSES_LIB@
65: #
66: # If CURSES_LIB is set on the configure command line (such as by running
67: # "./configure CURSES_LIB=-lmycurses"), then the only header searched for
68: # is <curses.h>. The user may use the CPPFLAGS precious variable to
69: # override the standard #include search path. If the user needs to
70: # specify an alternative path for a library (such as for a non-standard
71: # NcurseW), the user should use the LDFLAGS variable.
72: #
73: # The following shell variables may be defined by this macro:
74: #
75: # ax_cv_curses - set to "yes" if any Curses library found
76: # ax_cv_curses_enhanced - set to "yes" if Enhanced functions present
77: # ax_cv_curses_color - set to "yes" if color functions present
78: # ax_cv_curses_obsolete - set to "yes" if obsolete features present
79: #
80: # ax_cv_ncursesw - set to "yes" if NcursesW library found
81: # ax_cv_ncurses - set to "yes" if Ncurses library found
82: # ax_cv_plaincurses - set to "yes" if plain Curses library found
83: # ax_cv_curses_which - set to "ncursesw", "ncurses", "plaincurses" or "no"
84: #
85: # These variables can be used in your configure.ac to determine the level
86: # of support you need from the Curses library. For example, if you must
87: # have either Ncurses or NcursesW, you could include:
88: #
89: # AX_WITH_CURSES
90: # if test "x$ax_cv_ncursesw" != xyes && test "x$ax_cv_ncurses" != xyes; then
91: # AX_MSG_ERROR([requires either NcursesW or Ncurses library])
92: # fi
93: #
94: # If any Curses library will do (but one must be present and must support
95: # color), you could use:
96: #
97: # AX_WITH_CURSES
98: # if test "x$ax_cv_curses" != xyes || test "x$ax_cv_curses_color" != xyes; then
99: # AC_MSG_ERROR([requires an X/Open-compatible Curses library with color])
100: # fi
101: #
102: # Certain preprocessor symbols and shell variables defined by this macro
103: # can be used to determine various features of the Curses library. In
104: # particular, HAVE_CURSES and ax_cv_curses are defined if the Curses
105: # library found conforms to the traditional SysV and/or X/Open Base Curses
106: # definition. Any working Curses library conforms to this level.
107: #
108: # HAVE_CURSES_ENHANCED and ax_cv_curses_enhanced are defined if the
109: # library supports the X/Open Enhanced Curses definition. In particular,
110: # the wide-character types attr_t, cchar_t and wint_t, the functions
111: # wattr_set() and wget_wch() and the macros WA_NORMAL and _XOPEN_CURSES
112: # are checked. The Ncurses library does NOT conform to this definition,
113: # although NcursesW does.
114: #
115: # HAVE_CURSES_COLOR and ax_cv_curses_color are defined if the library
116: # supports color functions and macros such as COLOR_PAIR, A_COLOR,
117: # COLOR_WHITE, COLOR_RED and init_pair(). These are NOT part of the
118: # X/Open Base Curses definition, but are part of the Enhanced set of
119: # functions. The Ncurses library DOES support these functions, as does
120: # NcursesW.
121: #
122: # HAVE_CURSES_OBSOLETE and ax_cv_curses_obsolete are defined if the
123: # library supports certain features present in SysV and BSD Curses but not
124: # defined in the X/Open definition. In particular, the functions
125: # getattrs(), getcurx() and getmaxx() are checked.
126: #
127: # To use the HAVE_xxx_H preprocessor symbols, insert the following into
128: # your system.h (or equivalent) header file:
129: #
130: # #if defined HAVE_NCURSESW_CURSES_H
131: # # include <ncursesw/curses.h>
132: # #elif defined HAVE_NCURSESW_H
133: # # include <ncursesw.h>
134: # #elif defined HAVE_NCURSES_CURSES_H
135: # # include <ncurses/curses.h>
136: # #elif defined HAVE_NCURSES_H
137: # # include <ncurses.h>
138: # #elif defined HAVE_CURSES_H
139: # # include <curses.h>
140: # #else
141: # # error "SysV or X/Open-compatible Curses header file required"
142: # #endif
143: #
144: # For previous users of this macro: you should not need to change anything
145: # in your configure.ac or Makefile.am, as the previous (serial 10)
146: # semantics are still valid. However, you should update your system.h (or
147: # equivalent) header file to the fragment shown above. You are encouraged
148: # also to make use of the extended functionality provided by this version
149: # of AX_WITH_CURSES, as well as in the additional macros
150: # AX_WITH_CURSES_PANEL, AX_WITH_CURSES_MENU and AX_WITH_CURSES_FORM.
151: #
152: # LICENSE
153: #
154: # Copyright (c) 2009 Mark Pulford <mark@kyne.com.au>
155: # Copyright (c) 2009 Damian Pietras <daper@daper.net>
156: # Copyright (c) 2012 Reuben Thomas <rrt@sc3d.org>
157: # Copyright (c) 2011 John Zaitseff <J.Zaitseff@zap.org.au>
158: #
159: # This program is free software: you can redistribute it and/or modify it
160: # under the terms of the GNU General Public License as published by the
161: # Free Software Foundation, either version 3 of the License, or (at your
162: # option) any later version.
163: #
164: # This program is distributed in the hope that it will be useful, but
165: # WITHOUT ANY WARRANTY; without even the implied warranty of
166: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
167: # Public License for more details.
168: #
169: # You should have received a copy of the GNU General Public License along
170: # with this program. If not, see <http://www.gnu.org/licenses/>.
171: #
172: # As a special exception, the respective Autoconf Macro's copyright owner
173: # gives unlimited permission to copy, distribute and modify the configure
174: # scripts that are the output of Autoconf when processing the Macro. You
175: # need not follow the terms of the GNU General Public License when using
176: # or distributing such scripts, even though portions of the text of the
177: # Macro appear in them. The GNU General Public License (GPL) does govern
178: # all other use of the material that constitutes the Autoconf Macro.
179: #
180: # This special exception to the GPL applies to versions of the Autoconf
181: # Macro released by the Autoconf Archive. When you make and distribute a
182: # modified version of the Autoconf Macro, you may extend this special
183: # exception to the GPL to apply to your modified version as well.
184:
185: #serial 13
186:
187: AU_ALIAS([MP_WITH_CURSES], [AX_WITH_CURSES])
188: AC_DEFUN([AX_WITH_CURSES], [
189: AC_ARG_VAR([CURSES_LIB], [linker library for Curses, e.g. -lcurses])
190: AC_ARG_WITH([ncurses], [AS_HELP_STRING([--with-ncurses],
191: [force the use of Ncurses or NcursesW])],
192: [], [with_ncurses=check])
193: AC_ARG_WITH([ncursesw], [AS_HELP_STRING([--without-ncursesw],
194: [do not use NcursesW (wide character support)])],
195: [], [with_ncursesw=check])
196:
197: ax_saved_LIBS=$LIBS
198: AS_IF([test "x$with_ncurses" = xyes || test "x$with_ncursesw" = xyes],
199: [ax_with_plaincurses=no], [ax_with_plaincurses=check])
200:
201: ax_cv_curses_which=no
202:
203: # Test for NcursesW
204:
205: AS_IF([test "x$CURSES_LIB" = x && test "x$with_ncursesw" != xno], [
206: LIBS="$ax_saved_LIBS -lncursesw"
207:
208: AC_CACHE_CHECK([for NcursesW wide-character library], [ax_cv_ncursesw], [
209: AC_LINK_IFELSE([AC_LANG_CALL([], [initscr])],
210: [ax_cv_ncursesw=yes], [ax_cv_ncursesw=no])
211: ])
212: AS_IF([test "x$ax_cv_ncursesw" = xno && test "x$with_ncursesw" = xyes], [
213: AC_MSG_ERROR([--with-ncursesw specified but could not find NcursesW library])
214: ])
215:
216: AS_IF([test "x$ax_cv_ncursesw" = xyes], [
217: ax_cv_curses=yes
218: ax_cv_curses_which=ncursesw
219: CURSES_LIB="-lncursesw"
220: AC_DEFINE([HAVE_NCURSESW], [1], [Define to 1 if the NcursesW library is present])
221: AC_DEFINE([HAVE_CURSES], [1], [Define to 1 if a SysV or X/Open compatible Curses library is present])
222:
223: AC_CACHE_CHECK([for working ncursesw/curses.h], [ax_cv_header_ncursesw_curses_h], [
224: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
225: @%:@define _XOPEN_SOURCE_EXTENDED 1
226: @%:@include <ncursesw/curses.h>
227: ]], [[
228: chtype a = A_BOLD;
229: int b = KEY_LEFT;
230: chtype c = COLOR_PAIR(1) & A_COLOR;
231: attr_t d = WA_NORMAL;
232: cchar_t e;
233: wint_t f;
234: int g = getattrs(stdscr);
235: int h = getcurx(stdscr) + getmaxx(stdscr);
236: initscr();
237: init_pair(1, COLOR_WHITE, COLOR_RED);
238: wattr_set(stdscr, d, 0, NULL);
239: wget_wch(stdscr, &f);
240: ]])],
241: [ax_cv_header_ncursesw_curses_h=yes],
242: [ax_cv_header_ncursesw_curses_h=no])
243: ])
244: AS_IF([test "x$ax_cv_header_ncursesw_curses_h" = xyes], [
245: ax_cv_curses_enhanced=yes
246: ax_cv_curses_color=yes
247: ax_cv_curses_obsolete=yes
248: AC_DEFINE([HAVE_CURSES_ENHANCED], [1], [Define to 1 if library supports X/Open Enhanced functions])
249: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
250: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
251: AC_DEFINE([HAVE_NCURSESW_CURSES_H], [1], [Define to 1 if <ncursesw/curses.h> is present])
252: ])
253:
254: AC_CACHE_CHECK([for working ncursesw.h], [ax_cv_header_ncursesw_h], [
255: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
256: @%:@define _XOPEN_SOURCE_EXTENDED 1
257: @%:@include <ncursesw.h>
258: ]], [[
259: chtype a = A_BOLD;
260: int b = KEY_LEFT;
261: chtype c = COLOR_PAIR(1) & A_COLOR;
262: attr_t d = WA_NORMAL;
263: cchar_t e;
264: wint_t f;
265: int g = getattrs(stdscr);
266: int h = getcurx(stdscr) + getmaxx(stdscr);
267: initscr();
268: init_pair(1, COLOR_WHITE, COLOR_RED);
269: wattr_set(stdscr, d, 0, NULL);
270: wget_wch(stdscr, &f);
271: ]])],
272: [ax_cv_header_ncursesw_h=yes],
273: [ax_cv_header_ncursesw_h=no])
274: ])
275: AS_IF([test "x$ax_cv_header_ncursesw_h" = xyes], [
276: ax_cv_curses_enhanced=yes
277: ax_cv_curses_color=yes
278: ax_cv_curses_obsolete=yes
279: AC_DEFINE([HAVE_CURSES_ENHANCED], [1], [Define to 1 if library supports X/Open Enhanced functions])
280: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
281: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
282: AC_DEFINE([HAVE_NCURSESW_H], [1], [Define to 1 if <ncursesw.h> is present])
283: ])
284:
285: AC_CACHE_CHECK([for working ncurses.h], [ax_cv_header_ncurses_h_with_ncursesw], [
286: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
287: @%:@define _XOPEN_SOURCE_EXTENDED 1
288: @%:@include <ncurses.h>
289: ]], [[
290: chtype a = A_BOLD;
291: int b = KEY_LEFT;
292: chtype c = COLOR_PAIR(1) & A_COLOR;
293: attr_t d = WA_NORMAL;
294: cchar_t e;
295: wint_t f;
296: int g = getattrs(stdscr);
297: int h = getcurx(stdscr) + getmaxx(stdscr);
298: initscr();
299: init_pair(1, COLOR_WHITE, COLOR_RED);
300: wattr_set(stdscr, d, 0, NULL);
301: wget_wch(stdscr, &f);
302: ]])],
303: [ax_cv_header_ncurses_h_with_ncursesw=yes],
304: [ax_cv_header_ncurses_h_with_ncursesw=no])
305: ])
306: AS_IF([test "x$ax_cv_header_ncurses_h_with_ncursesw" = xyes], [
307: ax_cv_curses_enhanced=yes
308: ax_cv_curses_color=yes
309: ax_cv_curses_obsolete=yes
310: AC_DEFINE([HAVE_CURSES_ENHANCED], [1], [Define to 1 if library supports X/Open Enhanced functions])
311: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
312: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
313: AC_DEFINE([HAVE_NCURSES_H], [1], [Define to 1 if <ncurses.h> is present])
314: ])
315:
316: AS_IF([test "x$ax_cv_header_ncursesw_curses_h" = xno && test "x$ax_cv_header_ncursesw_h" = xno && test "x$ax_cv_header_ncurses_h_with_ncursesw" = xno], [
317: AC_MSG_WARN([could not find a working ncursesw/curses.h, ncursesw.h or ncurses.h])
318: ])
319: ])
320: ])
321:
322: # Test for Ncurses
323:
324: AS_IF([test "x$CURSES_LIB" = x && test "x$with_ncurses" != xno && test "x$ax_cv_curses_which" = xno], [
325: LIBS="$ax_saved_LIBS -lncurses"
326:
327: AC_CACHE_CHECK([for Ncurses library], [ax_cv_ncurses], [
328: AC_LINK_IFELSE([AC_LANG_CALL([], [initscr])],
329: [ax_cv_ncurses=yes], [ax_cv_ncurses=no])
330: ])
331: AS_IF([test "x$ax_cv_ncurses" = xno && test "x$with_ncurses" = xyes], [
332: AC_MSG_ERROR([--with-ncurses specified but could not find Ncurses library])
333: ])
334:
335: AS_IF([test "x$ax_cv_ncurses" = xyes], [
336: ax_cv_curses=yes
337: ax_cv_curses_which=ncurses
338: CURSES_LIB="-lncurses"
339: AC_DEFINE([HAVE_NCURSES], [1], [Define to 1 if the Ncurses library is present])
340: AC_DEFINE([HAVE_CURSES], [1], [Define to 1 if a SysV or X/Open compatible Curses library is present])
341:
342: AC_CACHE_CHECK([for working ncurses/curses.h], [ax_cv_header_ncurses_curses_h], [
343: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
344: @%:@include <ncurses/curses.h>
345: ]], [[
346: chtype a = A_BOLD;
347: int b = KEY_LEFT;
348: chtype c = COLOR_PAIR(1) & A_COLOR;
349: int g = getattrs(stdscr);
350: int h = getcurx(stdscr) + getmaxx(stdscr);
351: initscr();
352: init_pair(1, COLOR_WHITE, COLOR_RED);
353: ]])],
354: [ax_cv_header_ncurses_curses_h=yes],
355: [ax_cv_header_ncurses_curses_h=no])
356: ])
357: AS_IF([test "x$ax_cv_header_ncurses_curses_h" = xyes], [
358: ax_cv_curses_color=yes
359: ax_cv_curses_obsolete=yes
360: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
361: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
362: AC_DEFINE([HAVE_NCURSES_CURSES_H], [1], [Define to 1 if <ncurses/curses.h> is present])
363: ])
364:
365: AC_CACHE_CHECK([for working ncurses.h], [ax_cv_header_ncurses_h], [
366: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
367: @%:@include <ncurses.h>
368: ]], [[
369: chtype a = A_BOLD;
370: int b = KEY_LEFT;
371: chtype c = COLOR_PAIR(1) & A_COLOR;
372: int g = getattrs(stdscr);
373: int h = getcurx(stdscr) + getmaxx(stdscr);
374: initscr();
375: init_pair(1, COLOR_WHITE, COLOR_RED);
376: ]])],
377: [ax_cv_header_ncurses_h=yes],
378: [ax_cv_header_ncurses_h=no])
379: ])
380: AS_IF([test "x$ax_cv_header_ncurses_h" = xyes], [
381: ax_cv_curses_color=yes
382: ax_cv_curses_obsolete=yes
383: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
384: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
385: AC_DEFINE([HAVE_NCURSES_H], [1], [Define to 1 if <ncurses.h> is present])
386: ])
387:
388: AS_IF([test "x$ax_cv_header_ncurses_curses_h" = xno && test "x$ax_cv_header_ncurses_h" = xno], [
389: AC_MSG_WARN([could not find a working ncurses/curses.h or ncurses.h])
390: ])
391: ])
392: ])
393:
394: # Test for plain Curses (or if CURSES_LIB was set by user)
395:
396: AS_IF([test "x$with_plaincurses" != xno && test "x$ax_cv_curses_which" = xno], [
397: AS_IF([test "x$CURSES_LIB" != x], [
398: LIBS="$ax_saved_LIBS $CURSES_LIB"
399: ], [
400: LIBS="$ax_saved_LIBS -lcurses"
401: ])
402:
403: AC_CACHE_CHECK([for Curses library], [ax_cv_plaincurses], [
404: AC_LINK_IFELSE([AC_LANG_CALL([], [initscr])],
405: [ax_cv_plaincurses=yes], [ax_cv_plaincurses=no])
406: ])
407:
408: AS_IF([test "x$ax_cv_plaincurses" = xyes], [
409: ax_cv_curses=yes
410: ax_cv_curses_which=plaincurses
411: AS_IF([test "x$CURSES_LIB" = x], [
412: CURSES_LIB="-lcurses"
413: ])
414: AC_DEFINE([HAVE_CURSES], [1], [Define to 1 if a SysV or X/Open compatible Curses library is present])
415:
416: # Check for base conformance (and header file)
417:
418: AC_CACHE_CHECK([for working curses.h], [ax_cv_header_curses_h], [
419: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
420: @%:@include <curses.h>
421: ]], [[
422: chtype a = A_BOLD;
423: int b = KEY_LEFT;
424: initscr();
425: ]])],
426: [ax_cv_header_curses_h=yes],
427: [ax_cv_header_curses_h=no])
428: ])
429: AS_IF([test "x$ax_cv_header_curses_h" = xyes], [
430: AC_DEFINE([HAVE_CURSES_H], [1], [Define to 1 if <curses.h> is present])
431:
432: # Check for X/Open Enhanced conformance
433:
434: AC_CACHE_CHECK([for X/Open Enhanced Curses conformance], [ax_cv_plaincurses_enhanced], [
435: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
436: @%:@define _XOPEN_SOURCE_EXTENDED 1
437: @%:@include <curses.h>
438: @%:@ifndef _XOPEN_CURSES
439: @%:@error "this Curses library is not enhanced"
440: "this Curses library is not enhanced"
441: @%:@endif
442: ]], [[
443: chtype a = A_BOLD;
444: int b = KEY_LEFT;
445: chtype c = COLOR_PAIR(1) & A_COLOR;
446: attr_t d = WA_NORMAL;
447: cchar_t e;
448: wint_t f;
449: initscr();
450: init_pair(1, COLOR_WHITE, COLOR_RED);
451: wattr_set(stdscr, d, 0, NULL);
452: wget_wch(stdscr, &f);
453: ]])],
454: [ax_cv_plaincurses_enhanced=yes],
455: [ax_cv_plaincurses_enhanced=no])
456: ])
457: AS_IF([test "x$ax_cv_plaincurses_enhanced" = xyes], [
458: ax_cv_curses_enhanced=yes
459: ax_cv_curses_color=yes
460: AC_DEFINE([HAVE_CURSES_ENHANCED], [1], [Define to 1 if library supports X/Open Enhanced functions])
461: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
462: ])
463:
464: # Check for color functions
465:
466: AC_CACHE_CHECK([for Curses color functions], [ax_cv_plaincurses_color], [
467: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
468: @%:@define _XOPEN_SOURCE_EXTENDED 1
469: @%:@include <curses.h>
470: ]], [[
471: chtype a = A_BOLD;
472: int b = KEY_LEFT;
473: chtype c = COLOR_PAIR(1) & A_COLOR;
474: initscr();
475: init_pair(1, COLOR_WHITE, COLOR_RED);
476: ]])],
477: [ax_cv_plaincurses_color=yes],
478: [ax_cv_plaincurses_color=no])
479: ])
480: AS_IF([test "x$ax_cv_plaincurses_color" = xyes], [
481: ax_cv_curses_color=yes
482: AC_DEFINE([HAVE_CURSES_COLOR], [1], [Define to 1 if library supports color (enhanced functions)])
483: ])
484:
485: # Check for obsolete functions
486:
487: AC_CACHE_CHECK([for obsolete Curses functions], [ax_cv_plaincurses_obsolete], [
488: AC_LINK_IFELSE([AC_LANG_PROGRAM([[
489: @%:@include <curses.h>
490: ]], [[
491: chtype a = A_BOLD;
492: int b = KEY_LEFT;
493: int g = getattrs(stdscr);
494: int h = getcurx(stdscr) + getmaxx(stdscr);
495: initscr();
496: ]])],
497: [ax_cv_plaincurses_obsolete=yes],
498: [ax_cv_plaincurses_obsolete=no])
499: ])
500: AS_IF([test "x$ax_cv_plaincurses_obsolete" = xyes], [
501: ax_cv_curses_obsolete=yes
502: AC_DEFINE([HAVE_CURSES_OBSOLETE], [1], [Define to 1 if library supports certain obsolete features])
503: ])
504: ])
505:
506: AS_IF([test "x$ax_cv_header_curses_h" = xno], [
507: AC_MSG_WARN([could not find a working curses.h])
508: ])
509: ])
510: ])
511:
512: AS_IF([test "x$ax_cv_curses" != xyes], [ax_cv_curses=no])
513: AS_IF([test "x$ax_cv_curses_enhanced" != xyes], [ax_cv_curses_enhanced=no])
514: AS_IF([test "x$ax_cv_curses_color" != xyes], [ax_cv_curses_color=no])
515: AS_IF([test "x$ax_cv_curses_obsolete" != xyes], [ax_cv_curses_obsolete=no])
516:
517: LIBS=$ax_saved_LIBS
518: ])dnl
519:
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