21534b78b8ee26e604d6f90cd9c74a55178c4c6a
[ncurses.git] / test / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 2003-2009,2010 Free Software Foundation, Inc.              *
3 dnl                                                                          *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
5 dnl copy of this software and associated documentation files (the            *
6 dnl "Software"), to deal in the Software without restriction, including      *
7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
9 dnl copies of the Software, and to permit persons to whom the Software is    *
10 dnl furnished to do so, subject to the following conditions:                 *
11 dnl                                                                          *
12 dnl The above copyright notice and this permission notice shall be included  *
13 dnl in all copies or substantial portions of the Software.                   *
14 dnl                                                                          *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 dnl                                                                          *
23 dnl Except as contained in this notice, the name(s) of the above copyright   *
24 dnl holders shall not be used in advertising or otherwise to promote the     *
25 dnl sale, use or other dealings in this Software without prior written       *
26 dnl authorization.                                                           *
27 dnl***************************************************************************
28 dnl
29 dnl $Id: aclocal.m4,v 1.44 2010/11/14 00:44:52 tom Exp $
30 dnl
31 dnl Author: Thomas E. Dickey
32 dnl
33 dnl Macros used in NCURSES test programs auto-configuration script.
34 dnl
35 dnl These macros are maintained separately from NCURSES.  The copyright on
36 dnl this file applies to the aggregation of macros and does not affect use of
37 dnl these macros in other applications.
38 dnl
39 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl
41 dnl ---------------------------------------------------------------------------
42 dnl ---------------------------------------------------------------------------
43 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
44 dnl -------------
45 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
46 dnl The second parameter if given makes this macro verbose.
47 dnl
48 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
49 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
50 dnl confused by the quotes (which require backslashes to keep them usable).
51 AC_DEFUN([CF_ADD_CFLAGS],
52 [
53 cf_fix_cppflags=no
54 cf_new_cflags=
55 cf_new_cppflags=
56 cf_new_extra_cppflags=
57
58 for cf_add_cflags in $1
59 do
60 case $cf_fix_cppflags in
61 no)
62         case $cf_add_cflags in #(vi
63         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
64                 case $cf_add_cflags in
65                 -D*)
66                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
67
68                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
69                                 && test -z "${cf_tst_cflags}" \
70                                 && cf_fix_cppflags=yes
71
72                         if test $cf_fix_cppflags = yes ; then
73                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
74                                 continue
75                         elif test "${cf_tst_cflags}" = "\"'" ; then
76                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
77                                 continue
78                         fi
79                         ;;
80                 esac
81                 case "$CPPFLAGS" in
82                 *$cf_add_cflags) #(vi
83                         ;;
84                 *) #(vi
85                         case $cf_add_cflags in #(vi
86                         -D*)
87                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
88                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
89                                 ;;
90                         esac
91                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
92                         ;;
93                 esac
94                 ;;
95         *)
96                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
97                 ;;
98         esac
99         ;;
100 yes)
101         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
102
103         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
104
105         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
106                 && test -z "${cf_tst_cflags}" \
107                 && cf_fix_cppflags=no
108         ;;
109 esac
110 done
111
112 if test -n "$cf_new_cflags" ; then
113         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
114         CFLAGS="$CFLAGS $cf_new_cflags"
115 fi
116
117 if test -n "$cf_new_cppflags" ; then
118         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
119         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
120 fi
121
122 if test -n "$cf_new_extra_cppflags" ; then
123         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
124         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
125 fi
126
127 AC_SUBST(EXTRA_CPPFLAGS)
128
129 ])dnl
130 dnl ---------------------------------------------------------------------------
131 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
132 dnl -------------
133 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
134 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
135 dnl but old versions (and some misinstalled ones) need that.  To make things
136 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
137 dnl the include-path).
138 AC_DEFUN([CF_ADD_INCDIR],
139 [
140 if test -n "$1" ; then
141   for cf_add_incdir in $1
142   do
143         while test $cf_add_incdir != /usr/include
144         do
145           if test -d $cf_add_incdir
146           then
147                 cf_have_incdir=no
148                 if test -n "$CFLAGS$CPPFLAGS" ; then
149                   # a loop is needed to ensure we can add subdirs of existing dirs
150                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
151                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
152                           cf_have_incdir=yes; break
153                         fi
154                   done
155                 fi
156
157                 if test "$cf_have_incdir" = no ; then
158                   if test "$cf_add_incdir" = /usr/local/include ; then
159                         if test "$GCC" = yes
160                         then
161                           cf_save_CPPFLAGS=$CPPFLAGS
162                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
163                           AC_TRY_COMPILE([#include <stdio.h>],
164                                   [printf("Hello")],
165                                   [],
166                                   [cf_have_incdir=yes])
167                           CPPFLAGS=$cf_save_CPPFLAGS
168                         fi
169                   fi
170                 fi
171
172                 if test "$cf_have_incdir" = no ; then
173                   CF_VERBOSE(adding $cf_add_incdir to include-path)
174                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
175
176                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
177                   test "$cf_top_incdir" = "$cf_add_incdir" && break
178                   cf_add_incdir="$cf_top_incdir"
179                 else
180                   break
181                 fi
182           fi
183         done
184   done
185 fi
186 ])dnl
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
189 dnl ----------
190 dnl Add a library, used to enforce consistency.
191 dnl
192 dnl $1 = library to add, without the "-l"
193 dnl $2 = variable to update (default $LIBS)
194 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
195 dnl ---------------------------------------------------------------------------
196 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
197 dnl -------------
198 dnl     Adds to the library-path
199 dnl
200 dnl     Some machines have trouble with multiple -L options.
201 dnl
202 dnl $1 is the (list of) directory(s) to add
203 dnl $2 is the optional name of the variable to update (default LDFLAGS)
204 dnl
205 AC_DEFUN([CF_ADD_LIBDIR],
206 [
207 if test -n "$1" ; then
208   for cf_add_libdir in $1
209   do
210     if test $cf_add_libdir = /usr/lib ; then
211       :
212     elif test -d $cf_add_libdir
213     then
214       cf_have_libdir=no
215       if test -n "$LDFLAGS$LIBS" ; then
216         # a loop is needed to ensure we can add subdirs of existing dirs
217         for cf_test_libdir in $LDFLAGS $LIBS ; do
218           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
219             cf_have_libdir=yes; break
220           fi
221         done
222       fi
223       if test "$cf_have_libdir" = no ; then
224         CF_VERBOSE(adding $cf_add_libdir to library-path)
225         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
226       fi
227     fi
228   done
229 fi
230 ])dnl
231 dnl ---------------------------------------------------------------------------
232 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
233 dnl -----------
234 dnl Add one or more libraries, used to enforce consistency.
235 dnl
236 dnl $1 = libraries to add, with the "-l", etc.
237 dnl $2 = variable to update (default $LIBS)
238 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
239 dnl ---------------------------------------------------------------------------
240 dnl CF_ADD_LIB_AFTER version: 2 updated: 2010/11/08 20:33:46
241 dnl ----------------
242 dnl Add a given library after another, e.g., following the one it satisfies a
243 dnl dependency for.
244 dnl
245 dnl $1 = the first library
246 dnl $2 = its dependency
247 AC_DEFUN([CF_ADD_LIB_AFTER],[
248 CF_VERBOSE(...before $LIBS)
249 LIBS=`echo "$LIBS" | sed -e "s/[[       ]][[    ]]*/ /g" -e "s,$1 ,$1 $2 ," -e 's/  / /g'`
250 CF_VERBOSE(...after  $LIBS)
251 ])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
254 dnl ------------------
255 dnl Append to a search-list for a nonstandard header/lib-file
256 dnl     $1 = the variable to return as result
257 dnl     $2 = the package name
258 dnl     $3 = the subdirectory, e.g., bin, include or lib
259 dnl $4 = the directory under which we will test for subdirectories
260 dnl $5 = a directory that we do not want $4 to match
261 AC_DEFUN([CF_ADD_SUBDIR_PATH],
262 [
263 test "$4" != "$5" && \
264 test -d "$4" && \
265 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
266         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
267         test -d $4/$3 &&          $1="[$]$1 $4/$3"
268         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
269         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
270         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
271         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
272 }
273 ])dnl
274 dnl ---------------------------------------------------------------------------
275 dnl CF_ANSI_CC_CHECK version: 10 updated: 2010/10/23 15:52:32
276 dnl ----------------
277 dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
278 dnl in the sharutils 4.2 distribution.
279 AC_DEFUN([CF_ANSI_CC_CHECK],
280 [
281 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
282 cf_cv_ansi_cc=no
283 cf_save_CFLAGS="$CFLAGS"
284 cf_save_CPPFLAGS="$CPPFLAGS"
285 # Don't try gcc -ansi; that turns off useful extensions and
286 # breaks some systems' header files.
287 # AIX                   -qlanglvl=ansi
288 # Ultrix and OSF/1      -std1
289 # HP-UX                 -Aa -D_HPUX_SOURCE
290 # SVR4                  -Xc
291 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
292 for cf_arg in "-DCC_HAS_PROTOS" \
293         "" \
294         -qlanglvl=ansi \
295         -std1 \
296         -Ae \
297         "-Aa -D_HPUX_SOURCE" \
298         -Xc
299 do
300         CF_ADD_CFLAGS($cf_arg)
301         AC_TRY_COMPILE(
302 [
303 #ifndef CC_HAS_PROTOS
304 #if !defined(__STDC__) || (__STDC__ != 1)
305 choke me
306 #endif
307 #endif
308 ],[
309         int test (int i, double x);
310         struct s1 {int (*f) (int a);};
311         struct s2 {int (*f) (double a);};],
312         [cf_cv_ansi_cc="$cf_arg"; break])
313 done
314 CFLAGS="$cf_save_CFLAGS"
315 CPPFLAGS="$cf_save_CPPFLAGS"
316 ])
317
318 if test "$cf_cv_ansi_cc" != "no"; then
319 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
320         CF_ADD_CFLAGS($cf_cv_ansi_cc)
321 else
322         AC_DEFINE(CC_HAS_PROTOS)
323 fi
324 fi
325 ])dnl
326 dnl ---------------------------------------------------------------------------
327 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
328 dnl ---------------
329 dnl For programs that must use an ANSI compiler, obtain compiler options that
330 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
331 dnl macros, since tools such as unproto can fake prototypes, but only part of
332 dnl the preprocessor.
333 AC_DEFUN([CF_ANSI_CC_REQD],
334 [AC_REQUIRE([CF_ANSI_CC_CHECK])
335 if test "$cf_cv_ansi_cc" = "no"; then
336         AC_MSG_ERROR(
337 [Your compiler does not appear to recognize prototypes.
338 You have the following choices:
339         a. adjust your compiler options
340         b. get an up-to-date compiler
341         c. use a wrapper such as unproto])
342 fi
343 ])dnl
344 dnl ---------------------------------------------------------------------------
345 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
346 dnl --------------
347 dnl Allow user to disable a normally-on option.
348 AC_DEFUN([CF_ARG_DISABLE],
349 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
350 dnl ---------------------------------------------------------------------------
351 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
352 dnl -------------
353 dnl Allow user to enable a normally-off option.
354 AC_DEFUN([CF_ARG_ENABLE],
355 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
356 dnl ---------------------------------------------------------------------------
357 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
358 dnl -------------
359 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
360 dnl values.
361 dnl
362 dnl Parameters:
363 dnl $1 = option name
364 dnl $2 = help-string
365 dnl $3 = action to perform if option is not default
366 dnl $4 = action if perform if option is default
367 dnl $5 = default option value (either 'yes' or 'no')
368 AC_DEFUN([CF_ARG_OPTION],
369 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
370   if test "$enableval" != "$5" ; then
371 ifelse([$3],,[    :]dnl
372 ,[    $3]) ifelse([$4],,,[
373   else
374     $4])
375   fi],[enableval=$5 ifelse([$4],,,[
376   $4
377 ])dnl
378   ])])dnl
379 dnl ---------------------------------------------------------------------------
380 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
381 dnl --------------
382 dnl Check if we're accidentally using a cache from a different machine.
383 dnl Derive the system name, as a check for reusing the autoconf cache.
384 dnl
385 dnl If we've packaged config.guess and config.sub, run that (since it does a
386 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
387 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
388 dnl which is useful in cross-compiles.
389 dnl
390 dnl Note: we would use $ac_config_sub, but that is one of the places where
391 dnl autoconf 2.5x broke compatibility with autoconf 2.13
392 AC_DEFUN([CF_CHECK_CACHE],
393 [
394 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
395         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
396         system_name="$host_os"
397 else
398         system_name="`(uname -s -r) 2>/dev/null`"
399         if test -z "$system_name" ; then
400                 system_name="`(hostname) 2>/dev/null`"
401         fi
402 fi
403 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
404 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
405
406 test -z "$system_name" && system_name="$cf_cv_system_name"
407 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
408
409 if test ".$system_name" != ".$cf_cv_system_name" ; then
410         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
411         AC_MSG_ERROR("Please remove config.cache and try again.")
412 fi
413 ])dnl
414 dnl ---------------------------------------------------------------------------
415 dnl CF_CHECK_CFLAGS version: 2 updated: 2001/12/30 19:09:58
416 dnl ---------------
417 dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
418 dnl a build-configuration such as imake.  These have the pitfall that they
419 dnl often contain compiler-specific options which we cannot use, mixed with
420 dnl preprocessor options that we usually can.
421 AC_DEFUN([CF_CHECK_CFLAGS],
422 [
423 CF_VERBOSE(checking additions to CFLAGS)
424 cf_check_cflags="$CFLAGS"
425 cf_check_cppflags="$CPPFLAGS"
426 CF_ADD_CFLAGS($1,yes)
427 if test "$cf_check_cflags" != "$CFLAGS" ; then
428 AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
429         [CF_VERBOSE(test-compile failed.  Undoing change to \$CFLAGS)
430          if test "$cf_check_cppflags" != "$CPPFLAGS" ; then
431                  CF_VERBOSE(but keeping change to \$CPPFLAGS)
432          fi
433          CFLAGS="$cf_check_flags"])
434 fi
435 ])dnl
436 dnl ---------------------------------------------------------------------------
437 dnl CF_CURSES_ACS_MAP version: 6 updated: 2010/10/23 15:54:49
438 dnl -----------------
439 dnl Check for likely values of acs_map[]:
440 AC_DEFUN([CF_CURSES_ACS_MAP],
441 [
442 AC_REQUIRE([CF_NCURSES_WRAP_PREFIX])dnl
443 AC_CACHE_CHECK(for alternate character set array, cf_cv_curses_acs_map,[
444 cf_cv_curses_acs_map=unknown
445 for name in acs_map _acs_map __acs_map ${NCURSES_WRAP_PREFIX}acs_map
446 do
447 AC_TRY_LINK([
448 #include <${cf_cv_ncurses_header:-curses.h}>
449 ],[
450 $name['k'] = ACS_PLUS
451 ],[cf_cv_curses_acs_map=$name; break])
452 done
453 ])
454
455 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map)
456 ])
457 dnl ---------------------------------------------------------------------------
458 dnl CF_CURSES_CHECK_DATA version: 3 updated: 2010/10/23 15:54:49
459 dnl --------------------
460 dnl Check if curses.h defines the given data/variable.
461 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
462 AC_DEFUN([CF_CURSES_CHECK_DATA],
463 [
464 AC_MSG_CHECKING(for data $1 declaration in ${cf_cv_ncurses_header:-curses.h})
465 AC_TRY_COMPILE(CF__CURSES_HEAD,[
466 void *foo = &($1)
467 ],cf_result=yes,cf_result=no)
468 AC_MSG_RESULT($cf_result)
469 if test $cf_result = yes ; then
470         CF_UPPER(cf_result,have_curses_data_$1)
471         AC_DEFINE_UNQUOTED($cf_result)
472 else
473         AC_MSG_CHECKING(for data $1 in library)
474         AC_TRY_LINK(CF__CURSES_HEAD
475 [extern char $1;],[
476         do {
477                 void *foo = &($1);
478                 ${cf_cv_main_return:-return}(foo == 0);
479         } while (0)
480 ],[cf_result=yes],[cf_result=no])
481         AC_MSG_RESULT($cf_result)
482         if test $cf_result = yes ; then
483                 CF_UPPER(cf_result,decl_curses_data_$1)
484                 AC_DEFINE_UNQUOTED($cf_result)
485         fi
486 fi
487 ])dnl
488 dnl ---------------------------------------------------------------------------
489 dnl CF_CURSES_CHECK_TYPE version: 3 updated: 2010/10/23 15:54:49
490 dnl --------------------
491 dnl Check if curses.h defines the given type
492 AC_DEFUN([CF_CURSES_CHECK_TYPE],
493 [
494 AC_MSG_CHECKING(for type $1 in ${cf_cv_ncurses_header:-curses.h})
495 AC_TRY_COMPILE([
496 #ifndef _XOPEN_SOURCE_EXTENDED
497 #define _XOPEN_SOURCE_EXTENDED
498 #endif
499 #include <${cf_cv_ncurses_header:-curses.h}>],[
500 $1 foo
501 ],cf_result=yes,cf_result=no)
502 AC_MSG_RESULT($cf_result)
503 if test $cf_result = yes ; then
504         CF_UPPER(cf_result,have_type_$1)
505         AC_DEFINE_UNQUOTED($cf_result)
506 else
507         AC_DEFINE_UNQUOTED($1,$2)
508 fi
509 ])dnl
510 dnl ---------------------------------------------------------------------------
511 dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
512 dnl ----------------
513 dnl Tie together the configure-script macros for curses.  It may be ncurses,
514 dnl but unless asked, we do not make a special search for ncurses.  However,
515 dnl still check for the ncurses version number, for use in other macros.
516 AC_DEFUN([CF_CURSES_CONFIG],
517 [
518 CF_CURSES_CPPFLAGS
519 CF_NCURSES_VERSION
520 CF_CURSES_LIBS
521 ])dnl
522 dnl ---------------------------------------------------------------------------
523 dnl CF_CURSES_CPPFLAGS version: 10 updated: 2009/01/06 19:34:11
524 dnl ------------------
525 dnl Look for the curses headers.
526 AC_DEFUN([CF_CURSES_CPPFLAGS],[
527
528 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
529 cf_cv_curses_incdir=no
530 case $host_os in #(vi
531 hpux10.*) #(vi
532         test -d /usr/include/curses_colr && \
533         cf_cv_curses_incdir="-I/usr/include/curses_colr"
534         ;;
535 sunos3*|sunos4*)
536         test -d /usr/5lib && \
537         test -d /usr/5include && \
538         cf_cv_curses_incdir="-I/usr/5include"
539         ;;
540 esac
541 ])
542 test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir"
543
544 CF_CURSES_HEADER
545 CF_TERM_HEADER
546 ])dnl
547 dnl ---------------------------------------------------------------------------
548 dnl CF_CURSES_FUNCS version: 15 updated: 2010/10/23 15:52:32
549 dnl ---------------
550 dnl Curses-functions are a little complicated, since a lot of them are macros.
551 AC_DEFUN([CF_CURSES_FUNCS],
552 [
553 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
554 AC_REQUIRE([CF_XOPEN_CURSES])
555 AC_REQUIRE([CF_CURSES_TERM_H])
556 for cf_func in $1
557 do
558         CF_UPPER(cf_tr_func,$cf_func)
559         AC_MSG_CHECKING(for ${cf_func})
560         CF_MSG_LOG(${cf_func})
561         AC_CACHE_VAL(cf_cv_func_$cf_func,[
562                 eval cf_result='$ac_cv_func_'$cf_func
563                 if test ".$cf_result" != ".no"; then
564                         AC_TRY_LINK(CF__CURSES_HEAD,
565                         [
566 #ifndef ${cf_func}
567 long foo = (long)(&${cf_func});
568 ${cf_cv_main_return:-return}(foo == 0);
569 #endif
570                         ],
571                         [cf_result=yes],
572                         [cf_result=no])
573                 fi
574                 eval 'cf_cv_func_'$cf_func'=$cf_result'
575         ])
576         # use the computed/retrieved cache-value:
577         eval 'cf_result=$cf_cv_func_'$cf_func
578         AC_MSG_RESULT($cf_result)
579         if test $cf_result != no; then
580                 AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
581         fi
582 done
583 ])dnl
584 dnl ---------------------------------------------------------------------------
585 dnl CF_CURSES_HEADER version: 2 updated: 2010/04/28 06:02:16
586 dnl ----------------
587 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
588 dnl variations of ncurses' installs.
589 dnl
590 dnl $1 = ncurses when looking for ncurses, or is empty
591 AC_DEFUN([CF_CURSES_HEADER],[
592 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
593 cf_cv_ncurses_header=none
594 for cf_header in ifelse($1,,,[ \
595     $1/curses.h \
596         $1/ncurses.h]) \
597         curses.h \
598         ncurses.h ifelse($1,,[ncurses/curses.h ncurses/ncurses.h])
599 do
600 AC_TRY_COMPILE([#include <${cf_header}>],
601         [initscr(); tgoto("?", 0,0)],
602         [cf_cv_ncurses_header=$cf_header; break],[])
603 done
604 ])
605
606 if test "$cf_cv_ncurses_header" = none ; then
607         AC_MSG_ERROR(No curses header-files found)
608 fi
609
610 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
611 AC_CHECK_HEADERS($cf_cv_ncurses_header)
612 ])dnl
613 dnl ---------------------------------------------------------------------------
614 dnl CF_CURSES_LIBS version: 31 updated: 2010/10/23 15:54:49
615 dnl --------------
616 dnl Look for the curses libraries.  Older curses implementations may require
617 dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
618 AC_DEFUN([CF_CURSES_LIBS],[
619
620 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
621 AC_MSG_CHECKING(if we have identified curses libraries)
622 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
623     [initscr(); tgoto("?", 0,0)],
624     cf_result=yes,
625     cf_result=no)
626 AC_MSG_RESULT($cf_result)
627
628 if test "$cf_result" = no ; then
629 case $host_os in #(vi
630 freebsd*) #(vi
631     AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
632     ;;
633 hpux10.*) #(vi
634     AC_CHECK_LIB(cur_colr,initscr,[
635         CF_ADD_LIBS(-lcur_colr)
636         ac_cv_func_initscr=yes
637         ],[
638     AC_CHECK_LIB(Hcurses,initscr,[
639         # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
640         CF_ADD_LIBS(-lHcurses)
641         CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
642         ac_cv_func_initscr=yes
643         ])])
644     ;;
645 linux*) # Suse Linux does not follow /usr/lib convention
646     CF_ADD_LIBDIR(/lib)
647     ;;
648 sunos3*|sunos4*)
649     if test -d /usr/5lib ; then
650       CF_ADD_LIBDIR(/usr/5lib)
651       CF_ADD_LIBS(-lcurses -ltermcap)
652     fi
653     ac_cv_func_initscr=yes
654     ;;
655 esac
656
657 if test ".$ac_cv_func_initscr" != .yes ; then
658     cf_save_LIBS="$LIBS"
659     cf_term_lib=""
660     cf_curs_lib=""
661
662     if test ".${cf_cv_ncurses_version:-no}" != .no
663     then
664         cf_check_list="ncurses curses cursesX"
665     else
666         cf_check_list="cursesX curses ncurses"
667     fi
668
669     # Check for library containing tgoto.  Do this before curses library
670     # because it may be needed to link the test-case for initscr.
671     AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
672         for cf_term_lib in $cf_check_list termcap termlib unknown
673         do
674             AC_CHECK_LIB($cf_term_lib,tgoto,[break])
675         done
676     ])
677
678     # Check for library containing initscr
679     test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
680         for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
681     do
682         AC_CHECK_LIB($cf_curs_lib,initscr,[break])
683     done
684     test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
685
686     LIBS="-l$cf_curs_lib $cf_save_LIBS"
687     if test "$cf_term_lib" = unknown ; then
688         AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
689         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
690             [initscr()],
691             [cf_result=yes],
692             [cf_result=no])
693         AC_MSG_RESULT($cf_result)
694         test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
695     elif test "$cf_curs_lib" = "$cf_term_lib" ; then
696         :
697     elif test "$cf_term_lib" != predefined ; then
698         AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
699         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
700             [initscr(); tgoto((char *)0, 0, 0);],
701             [cf_result=no],
702             [
703             LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
704             AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
705                 [initscr()],
706                 [cf_result=yes],
707                 [cf_result=error])
708             ])
709         AC_MSG_RESULT($cf_result)
710     fi
711 fi
712 fi
713
714 ])dnl
715 dnl ---------------------------------------------------------------------------
716 dnl CF_CURSES_TERM_H version: 8 updated: 2010/10/23 15:54:49
717 dnl ----------------
718 dnl SVr4 curses should have term.h as well (where it puts the definitions of
719 dnl the low-level interface).  This may not be true in old/broken implementations,
720 dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
721 dnl running with Solaris 2.5.1).
722 AC_DEFUN([CF_CURSES_TERM_H],
723 [
724 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
725
726 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
727
728 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
729 # for <term.h> if we do not find the variant.
730 for cf_header in \
731         `echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%/.*%/%'`term.h \
732         term.h
733 do
734         AC_TRY_COMPILE([
735 #include <${cf_cv_ncurses_header:-curses.h}>
736 #include <${cf_header}>],
737         [WINDOW *x],
738         [cf_cv_term_header=$cf_header
739          break],
740         [cf_cv_term_header=no])
741 done
742
743 case $cf_cv_term_header in #(vi
744 no)
745         # If curses is ncurses, some packagers still mess it up by trying to make
746         # us use GNU termcap.  This handles the most common case.
747         for cf_header in ncurses/term.h ncursesw/term.h
748         do
749                 AC_TRY_COMPILE([
750 #include <${cf_cv_ncurses_header:-curses.h}>
751 #ifdef NCURSES_VERSION
752 #include <${cf_header}>
753 #else
754 make an error
755 #endif],
756                         [WINDOW *x],
757                         [cf_cv_term_header=$cf_header
758                          break],
759                         [cf_cv_term_header=no])
760         done
761         ;;
762 esac
763 ])
764
765 case $cf_cv_term_header in #(vi
766 term.h) #(vi
767         AC_DEFINE(HAVE_TERM_H)
768         ;;
769 ncurses/term.h) #(vi
770         AC_DEFINE(HAVE_NCURSES_TERM_H)
771         ;;
772 ncursesw/term.h)
773         AC_DEFINE(HAVE_NCURSESW_TERM_H)
774         ;;
775 esac
776 ])dnl
777 dnl ---------------------------------------------------------------------------
778 dnl CF_CURSES_WACS_MAP version: 4 updated: 2010/10/23 15:54:49
779 dnl ------------------
780 dnl Check for likely values of wacs_map[]:
781 AC_DEFUN([CF_CURSES_WACS_MAP],
782 [
783 AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
784         cf_cv_curses_wacs_map=unknown
785         for name in wacs_map _wacs_map __wacs_map _nc_wacs
786         do
787         AC_TRY_LINK([
788 #ifndef _XOPEN_SOURCE_EXTENDED
789 #define _XOPEN_SOURCE_EXTENDED
790 #endif
791 #include <${cf_cv_ncurses_header:-curses.h}>],
792         [$name['k'] = *WACS_PLUS],
793         [cf_cv_curses_wacs_map=$name
794          break])
795         done])
796 ])
797 dnl ---------------------------------------------------------------------------
798 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
799 dnl ----------
800 dnl "dirname" is not portable, so we fake it with a shell script.
801 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
802 dnl ---------------------------------------------------------------------------
803 dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
804 dnl ---------------
805 dnl You can always use "make -n" to see the actual options, but it's hard to
806 dnl pick out/analyze warning messages when the compile-line is long.
807 dnl
808 dnl Sets:
809 dnl     ECHO_LT - symbol to control if libtool is verbose
810 dnl     ECHO_LD - symbol to prefix "cc -o" lines
811 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
812 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
813 dnl     ECHO_CC - symbol to put before any "cc" line
814 dnl
815 AC_DEFUN([CF_DISABLE_ECHO],[
816 AC_MSG_CHECKING(if you want to see long compiling messages)
817 CF_ARG_DISABLE(echo,
818         [  --disable-echo          display "compiling" commands],
819         [
820     ECHO_LT='--silent'
821     ECHO_LD='@echo linking [$]@;'
822     RULE_CC='@echo compiling [$]<'
823     SHOW_CC='@echo compiling [$]@'
824     ECHO_CC='@'
825 ],[
826     ECHO_LT=''
827     ECHO_LD=''
828     RULE_CC=''
829     SHOW_CC=''
830     ECHO_CC=''
831 ])
832 AC_MSG_RESULT($enableval)
833 AC_SUBST(ECHO_LT)
834 AC_SUBST(ECHO_LD)
835 AC_SUBST(RULE_CC)
836 AC_SUBST(SHOW_CC)
837 AC_SUBST(ECHO_CC)
838 ])dnl
839 dnl ---------------------------------------------------------------------------
840 dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03
841 dnl ------------------
842 dnl Configure-option to enable gcc warnings
843 AC_DEFUN([CF_ENABLE_WARNINGS],[
844 if ( test "$GCC" = yes || test "$GXX" = yes )
845 then
846 AC_MSG_CHECKING(if you want to turn on gcc warnings)
847 CF_ARG_ENABLE(warnings,
848         [  --enable-warnings       test: turn on gcc compiler warnings],
849         [with_warnings=yes],
850         [with_warnings=no])
851 AC_MSG_RESULT($with_warnings)
852 if test "$with_warnings" = "yes"
853 then
854         CF_GCC_ATTRIBUTES
855         CF_GCC_WARNINGS
856 fi
857 fi
858 ])dnl
859 dnl ---------------------------------------------------------------------------
860 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
861 dnl ---------------
862 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
863 dnl prefer a standard location, and use -L options only if we do not find the
864 dnl library in the standard library location(s).
865 dnl     $1 = library name
866 dnl     $2 = library class, usually the same as library name
867 dnl     $3 = includes
868 dnl     $4 = code fragment to compile/link
869 dnl     $5 = corresponding function-name
870 dnl     $6 = flag, nonnull if failure should not cause an error-exit
871 dnl
872 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
873 dnl to use a -L option.
874 AC_DEFUN([CF_FIND_LIBRARY],
875 [
876         eval 'cf_cv_have_lib_'$1'=no'
877         cf_libdir=""
878         AC_CHECK_FUNC($5,
879                 eval 'cf_cv_have_lib_'$1'=yes',[
880                 cf_save_LIBS="$LIBS"
881                 AC_MSG_CHECKING(for $5 in -l$1)
882                 LIBS="-l$1 $LIBS"
883                 AC_TRY_LINK([$3],[$4],
884                         [AC_MSG_RESULT(yes)
885                          eval 'cf_cv_have_lib_'$1'=yes'
886                         ],
887                         [AC_MSG_RESULT(no)
888                         CF_LIBRARY_PATH(cf_search,$2)
889                         for cf_libdir in $cf_search
890                         do
891                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
892                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
893                                 AC_TRY_LINK([$3],[$4],
894                                         [AC_MSG_RESULT(yes)
895                                          eval 'cf_cv_have_lib_'$1'=yes'
896                                          break],
897                                         [AC_MSG_RESULT(no)
898                                          LIBS="$cf_save_LIBS"])
899                         done
900                         ])
901                 ])
902 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
903 ifelse($6,,[
904 if test $cf_found_library = no ; then
905         AC_MSG_ERROR(Cannot link $1 library)
906 fi
907 ])
908 ])dnl
909 dnl ---------------------------------------------------------------------------
910 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
911 dnl ---------------
912 dnl Find a library (specifically the linkage used in the code fragment),
913 dnl searching for it if it is not already in the library path.
914 dnl See also CF_ADD_SEARCHPATH.
915 dnl
916 dnl Parameters (4-on are optional):
917 dnl     $1 = headers for library entrypoint
918 dnl     $2 = code fragment for library entrypoint
919 dnl     $3 = the library name without the "-l" option or ".so" suffix.
920 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
921 dnl     $5 = action to perform if not successful
922 dnl     $6 = module name, if not the same as the library name
923 dnl     $7 = extra libraries
924 dnl
925 dnl Sets these variables:
926 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
927 dnl     $cf_cv_header_path_$3 - include-directory if needed
928 dnl     $cf_cv_library_path_$3 - library-directory if needed
929 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
930 AC_DEFUN([CF_FIND_LINKAGE],[
931
932 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
933 # will be set on completion of the AC_TRY_LINK below.
934 cf_cv_header_path_$3=
935 cf_cv_library_path_$3=
936
937 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
938
939 cf_save_LIBS="$LIBS"
940
941 AC_TRY_LINK([$1],[$2],[
942         cf_cv_find_linkage_$3=yes
943         cf_cv_header_path_$3=/usr/include
944         cf_cv_library_path_$3=/usr/lib
945 ],[
946
947 LIBS="-l$3 $7 $cf_save_LIBS"
948
949 AC_TRY_LINK([$1],[$2],[
950         cf_cv_find_linkage_$3=yes
951         cf_cv_header_path_$3=/usr/include
952         cf_cv_library_path_$3=/usr/lib
953         cf_cv_library_file_$3="-l$3"
954 ],[
955         cf_cv_find_linkage_$3=no
956         LIBS="$cf_save_LIBS"
957
958     CF_VERBOSE(find linkage for $3 library)
959     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
960
961     cf_save_CPPFLAGS="$CPPFLAGS"
962     cf_test_CPPFLAGS="$CPPFLAGS"
963
964     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
965     for cf_cv_header_path_$3 in $cf_search
966     do
967       if test -d $cf_cv_header_path_$3 ; then
968         CF_VERBOSE(... testing $cf_cv_header_path_$3)
969         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
970         AC_TRY_COMPILE([$1],[$2],[
971             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
972             cf_cv_find_linkage_$3=maybe
973             cf_test_CPPFLAGS="$CPPFLAGS"
974             break],[
975             CPPFLAGS="$cf_save_CPPFLAGS"
976             ])
977       fi
978     done
979
980     if test "$cf_cv_find_linkage_$3" = maybe ; then
981
982       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
983
984       cf_save_LIBS="$LIBS"
985       cf_save_LDFLAGS="$LDFLAGS"
986
987       ifelse([$6],,,[
988         CPPFLAGS="$cf_test_CPPFLAGS"
989         LIBS="-l$3 $7 $cf_save_LIBS"
990         AC_TRY_LINK([$1],[$2],[
991             CF_VERBOSE(... found $3 library in system)
992             cf_cv_find_linkage_$3=yes])
993             CPPFLAGS="$cf_save_CPPFLAGS"
994             LIBS="$cf_save_LIBS"
995             ])
996
997       if test "$cf_cv_find_linkage_$3" != yes ; then
998         CF_LIBRARY_PATH(cf_search,$3)
999         for cf_cv_library_path_$3 in $cf_search
1000         do
1001           if test -d $cf_cv_library_path_$3 ; then
1002             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1003             CPPFLAGS="$cf_test_CPPFLAGS"
1004             LIBS="-l$3 $7 $cf_save_LIBS"
1005             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1006             AC_TRY_LINK([$1],[$2],[
1007                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1008                 cf_cv_find_linkage_$3=yes
1009                 cf_cv_library_file_$3="-l$3"
1010                 break],[
1011                 CPPFLAGS="$cf_save_CPPFLAGS"
1012                 LIBS="$cf_save_LIBS"
1013                 LDFLAGS="$cf_save_LDFLAGS"
1014                 ])
1015           fi
1016         done
1017         CPPFLAGS="$cf_save_CPPFLAGS"
1018         LDFLAGS="$cf_save_LDFLAGS"
1019       fi
1020
1021     else
1022       cf_cv_find_linkage_$3=no
1023     fi
1024     ],$7)
1025 ])
1026
1027 LIBS="$cf_save_LIBS"
1028
1029 if test "$cf_cv_find_linkage_$3" = yes ; then
1030 ifelse([$4],,[
1031         CF_ADD_INCDIR($cf_cv_header_path_$3)
1032         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1033         CF_ADD_LIB($3)
1034 ],[$4])
1035 else
1036 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1037 fi
1038 ])dnl
1039 dnl ---------------------------------------------------------------------------
1040 dnl CF_FUNC_CURSES_VERSION version: 5 updated: 2010/10/23 15:54:49
1041 dnl ----------------------
1042 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
1043 dnl It's a character string "SVR4", not documented.
1044 AC_DEFUN([CF_FUNC_CURSES_VERSION],
1045 [
1046 AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[
1047 AC_TRY_RUN([
1048 #include <${cf_cv_ncurses_header:-curses.h}>
1049 int main()
1050 {
1051         char temp[1024];
1052         sprintf(temp, "%s\n", curses_version());
1053         ${cf_cv_main_return:-return}(0);
1054 }]
1055 ,[cf_cv_func_curses_version=yes]
1056 ,[cf_cv_func_curses_version=no]
1057 ,[cf_cv_func_curses_version=unknown])
1058 rm -f core])
1059 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
1060 ])
1061 dnl ---------------------------------------------------------------------------
1062 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1063 dnl -----------------
1064 dnl Test for availability of useful gcc __attribute__ directives to quiet
1065 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1066 dnl to documentation, unrecognized directives cause older compilers to barf.
1067 AC_DEFUN([CF_GCC_ATTRIBUTES],
1068 [
1069 if test "$GCC" = yes
1070 then
1071 cat > conftest.i <<EOF
1072 #ifndef GCC_PRINTF
1073 #define GCC_PRINTF 0
1074 #endif
1075 #ifndef GCC_SCANF
1076 #define GCC_SCANF 0
1077 #endif
1078 #ifndef GCC_NORETURN
1079 #define GCC_NORETURN /* nothing */
1080 #endif
1081 #ifndef GCC_UNUSED
1082 #define GCC_UNUSED /* nothing */
1083 #endif
1084 EOF
1085 if test "$GCC" = yes
1086 then
1087         AC_CHECKING([for $CC __attribute__ directives])
1088 cat > conftest.$ac_ext <<EOF
1089 #line __oline__ "${as_me:-configure}"
1090 #include "confdefs.h"
1091 #include "conftest.h"
1092 #include "conftest.i"
1093 #if     GCC_PRINTF
1094 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1095 #else
1096 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1097 #endif
1098 #if     GCC_SCANF
1099 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1100 #else
1101 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1102 #endif
1103 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1104 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1105 extern void foo(void) GCC_NORETURN;
1106 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1107 EOF
1108         cf_printf_attribute=no
1109         cf_scanf_attribute=no
1110         for cf_attribute in scanf printf unused noreturn
1111         do
1112                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1113                 cf_directive="__attribute__(($cf_attribute))"
1114                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1115
1116                 case $cf_attribute in #(vi
1117                 printf) #(vi
1118                         cf_printf_attribute=yes
1119                         cat >conftest.h <<EOF
1120 #define GCC_$cf_ATTRIBUTE 1
1121 EOF
1122                         ;;
1123                 scanf) #(vi
1124                         cf_scanf_attribute=yes
1125                         cat >conftest.h <<EOF
1126 #define GCC_$cf_ATTRIBUTE 1
1127 EOF
1128                         ;;
1129                 *) #(vi
1130                         cat >conftest.h <<EOF
1131 #define GCC_$cf_ATTRIBUTE $cf_directive
1132 EOF
1133                         ;;
1134                 esac
1135
1136                 if AC_TRY_EVAL(ac_compile); then
1137                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1138                         cat conftest.h >>confdefs.h
1139                         case $cf_attribute in #(vi
1140                         printf) #(vi
1141                                 if test "$cf_printf_attribute" = no ; then
1142                                         cat >>confdefs.h <<EOF
1143 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1144 EOF
1145                                 else
1146                                         cat >>confdefs.h <<EOF
1147 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1148 EOF
1149                                 fi
1150                                 ;;
1151                         scanf) #(vi
1152                                 if test "$cf_scanf_attribute" = no ; then
1153                                         cat >>confdefs.h <<EOF
1154 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1155 EOF
1156                                 else
1157                                         cat >>confdefs.h <<EOF
1158 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1159 EOF
1160                                 fi
1161                                 ;;
1162                         esac
1163                 fi
1164         done
1165 else
1166         fgrep define conftest.i >>confdefs.h
1167 fi
1168 rm -rf conftest*
1169 fi
1170 ])dnl
1171 dnl ---------------------------------------------------------------------------
1172 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1173 dnl --------------
1174 dnl Find version of gcc
1175 AC_DEFUN([CF_GCC_VERSION],[
1176 AC_REQUIRE([AC_PROG_CC])
1177 GCC_VERSION=none
1178 if test "$GCC" = yes ; then
1179         AC_MSG_CHECKING(version of $CC)
1180         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1181         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1182         AC_MSG_RESULT($GCC_VERSION)
1183 fi
1184 ])dnl
1185 dnl ---------------------------------------------------------------------------
1186 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1187 dnl ---------------
1188 dnl Check if the compiler supports useful warning options.  There's a few that
1189 dnl we don't use, simply because they're too noisy:
1190 dnl
1191 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1192 dnl     -Wredundant-decls (system headers make this too noisy)
1193 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1194 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1195 dnl             is enabled for ncurses using "--enable-const".
1196 dnl     -pedantic
1197 dnl
1198 dnl Parameter:
1199 dnl     $1 is an optional list of gcc warning flags that a particular
1200 dnl             application might want to use, e.g., "no-unused" for
1201 dnl             -Wno-unused
1202 dnl Special:
1203 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1204 dnl
1205 AC_DEFUN([CF_GCC_WARNINGS],
1206 [
1207 AC_REQUIRE([CF_GCC_VERSION])
1208 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1209
1210 cat > conftest.$ac_ext <<EOF
1211 #line __oline__ "${as_me:-configure}"
1212 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1213 EOF
1214
1215 if test "$INTEL_COMPILER" = yes
1216 then
1217 # The "-wdXXX" options suppress warnings:
1218 # remark #1419: external declaration in primary source file
1219 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1220 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1221 # remark #193: zero used for undefined preprocessing identifier
1222 # remark #593: variable "curs_sb_left_arrow" was set but never used
1223 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1224 # remark #869: parameter "tw" was never referenced
1225 # remark #981: operands are evaluated in unspecified order
1226 # warning #279: controlling expression is constant
1227
1228         AC_CHECKING([for $CC warning options])
1229         cf_save_CFLAGS="$CFLAGS"
1230         EXTRA_CFLAGS="-Wall"
1231         for cf_opt in \
1232                 wd1419 \
1233                 wd1683 \
1234                 wd1684 \
1235                 wd193 \
1236                 wd593 \
1237                 wd279 \
1238                 wd810 \
1239                 wd869 \
1240                 wd981
1241         do
1242                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1243                 if AC_TRY_EVAL(ac_compile); then
1244                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1245                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1246                 fi
1247         done
1248         CFLAGS="$cf_save_CFLAGS"
1249
1250 elif test "$GCC" = yes
1251 then
1252         AC_CHECKING([for $CC warning options])
1253         cf_save_CFLAGS="$CFLAGS"
1254         EXTRA_CFLAGS=
1255         cf_warn_CONST=""
1256         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1257         for cf_opt in W Wall \
1258                 Wbad-function-cast \
1259                 Wcast-align \
1260                 Wcast-qual \
1261                 Winline \
1262                 Wmissing-declarations \
1263                 Wmissing-prototypes \
1264                 Wnested-externs \
1265                 Wpointer-arith \
1266                 Wshadow \
1267                 Wstrict-prototypes \
1268                 Wundef $cf_warn_CONST $1
1269         do
1270                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1271                 if AC_TRY_EVAL(ac_compile); then
1272                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1273                         case $cf_opt in #(vi
1274                         Wcast-qual) #(vi
1275                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1276                                 ;;
1277                         Winline) #(vi
1278                                 case $GCC_VERSION in
1279                                 [[34]].*)
1280                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1281                                         continue;;
1282                                 esac
1283                                 ;;
1284                         esac
1285                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1286                 fi
1287         done
1288         CFLAGS="$cf_save_CFLAGS"
1289 fi
1290 rm -rf conftest*
1291
1292 AC_SUBST(EXTRA_CFLAGS)
1293 ])dnl
1294 dnl ---------------------------------------------------------------------------
1295 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1296 dnl -------------
1297 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1298 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1299 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1300 dnl since it is interwoven with GNU extensions.
1301 dnl
1302 dnl Well, yes we could work around it...
1303 AC_DEFUN([CF_GNU_SOURCE],
1304 [
1305 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1306 AC_TRY_COMPILE([#include <sys/types.h>],[
1307 #ifndef _XOPEN_SOURCE
1308 make an error
1309 #endif],
1310         [cf_cv_gnu_source=no],
1311         [cf_save="$CPPFLAGS"
1312          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1313          AC_TRY_COMPILE([#include <sys/types.h>],[
1314 #ifdef _XOPEN_SOURCE
1315 make an error
1316 #endif],
1317         [cf_cv_gnu_source=no],
1318         [cf_cv_gnu_source=yes])
1319         CPPFLAGS="$cf_save"
1320         ])
1321 ])
1322 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1323 ])dnl
1324 dnl ---------------------------------------------------------------------------
1325 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1326 dnl --------------
1327 dnl Construct a search-list of directories for a nonstandard header-file
1328 dnl
1329 dnl Parameters
1330 dnl     $1 = the variable to return as result
1331 dnl     $2 = the package name
1332 AC_DEFUN([CF_HEADER_PATH],
1333 [
1334 $1=
1335
1336 # collect the current set of include-directories from compiler flags
1337 cf_header_path_list=""
1338 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1339         for cf_header_path in $CPPFLAGS $CFLAGS
1340         do
1341                 case $cf_header_path in #(vi
1342                 -I*)
1343                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1344                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1345                         cf_header_path_list="$cf_header_path_list [$]$1"
1346                         ;;
1347                 esac
1348         done
1349 fi
1350
1351 # add the variations for the package we are looking for
1352 CF_SUBDIR_PATH($1,$2,include)
1353
1354 test "$includedir" != NONE && \
1355 test "$includedir" != "/usr/include" && \
1356 test -d "$includedir" && {
1357         test -d $includedir &&    $1="[$]$1 $includedir"
1358         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1359 }
1360
1361 test "$oldincludedir" != NONE && \
1362 test "$oldincludedir" != "/usr/include" && \
1363 test -d "$oldincludedir" && {
1364         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1365         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1366 }
1367
1368 $1="[$]$1 $cf_header_path_list"
1369 ])dnl
1370 dnl ---------------------------------------------------------------------------
1371 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
1372 dnl -----------------
1373 dnl If we do not have a given script, look for it in the parent directory.
1374 AC_DEFUN([CF_INHERIT_SCRIPT],
1375 [
1376 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
1377 ])dnl
1378 dnl ---------------------------------------------------------------------------
1379 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
1380 dnl -----------------
1381 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1382 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1383 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1384 dnl
1385 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1386 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1387 dnl the wrappers for gcc and g++ warnings.
1388 dnl
1389 dnl $1 = GCC (default) or GXX
1390 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1391 dnl $3 = CFLAGS (default) or CXXFLAGS
1392 AC_DEFUN([CF_INTEL_COMPILER],[
1393 ifelse([$2],,INTEL_COMPILER,[$2])=no
1394
1395 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1396         case $host_os in
1397         linux*|gnu*)
1398                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1399                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1400                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1401                 AC_TRY_COMPILE([],[
1402 #ifdef __INTEL_COMPILER
1403 #else
1404 make an error
1405 #endif
1406 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1407 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1408 ],[])
1409                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1410                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1411                 ;;
1412         esac
1413 fi
1414 ])dnl
1415 dnl ---------------------------------------------------------------------------
1416 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1417 dnl ---------------
1418 dnl Construct a search-list of directories for a nonstandard library-file
1419 dnl
1420 dnl Parameters
1421 dnl     $1 = the variable to return as result
1422 dnl     $2 = the package name
1423 AC_DEFUN([CF_LIBRARY_PATH],
1424 [
1425 $1=
1426 cf_library_path_list=""
1427 if test -n "${LDFLAGS}${LIBS}" ; then
1428         for cf_library_path in $LDFLAGS $LIBS
1429         do
1430                 case $cf_library_path in #(vi
1431                 -L*)
1432                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1433                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1434                         cf_library_path_list="$cf_library_path_list [$]$1"
1435                         ;;
1436                 esac
1437         done
1438 fi
1439
1440 CF_SUBDIR_PATH($1,$2,lib)
1441
1442 $1="$cf_library_path_list [$]$1"
1443 ])dnl
1444 dnl ---------------------------------------------------------------------------
1445 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1446 dnl ------------
1447 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1448 dnl a monocase filesystem.
1449 AC_DEFUN([CF_MAKE_TAGS],[
1450 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1451
1452 AC_CHECK_PROGS(CTAGS, exctags ctags)
1453 AC_CHECK_PROGS(ETAGS, exetags etags)
1454
1455 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1456
1457 if test "$cf_cv_mixedcase" = yes ; then
1458         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1459 else
1460         MAKE_UPPER_TAGS=no
1461 fi
1462
1463 if test "$MAKE_UPPER_TAGS" = yes ; then
1464         MAKE_UPPER_TAGS=
1465 else
1466         MAKE_UPPER_TAGS="#"
1467 fi
1468
1469 if test "$MAKE_LOWER_TAGS" = yes ; then
1470         MAKE_LOWER_TAGS=
1471 else
1472         MAKE_LOWER_TAGS="#"
1473 fi
1474
1475 AC_SUBST(CTAGS)
1476 AC_SUBST(ETAGS)
1477
1478 AC_SUBST(MAKE_UPPER_TAGS)
1479 AC_SUBST(MAKE_LOWER_TAGS)
1480 ])dnl
1481 dnl ---------------------------------------------------------------------------
1482 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
1483 dnl -----------
1484 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
1485 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
1486 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
1487 AC_DEFUN([CF_MATH_LIB],
1488 [
1489 AC_CACHE_CHECK(if -lm needed for math functions,
1490         cf_cv_need_libm,[
1491         AC_TRY_LINK([
1492         #include <stdio.h>
1493         #include <math.h>
1494         ],
1495         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
1496         [cf_cv_need_libm=no],
1497         [cf_cv_need_libm=yes])])
1498 if test "$cf_cv_need_libm" = yes
1499 then
1500 ifelse($1,,[
1501         CF_ADD_LIB(m)
1502 ],[$1=-lm])
1503 fi
1504 ])
1505 dnl ---------------------------------------------------------------------------
1506 dnl CF_MIN_GETCCHAR version: 3 updated: 2010/10/23 15:54:49
1507 dnl ---------------
1508 dnl CF_MIN_GETCCHAR
1509 dnl Check whether getcchar's return value counts the trailing null in a wchar_t
1510 dnl string, or not.  X/Open says it does, but Tru64 and Solaris do not do this.
1511 AC_DEFUN([CF_MIN_GETCCHAR],[
1512 AC_CACHE_CHECK(if getcchar counts trailing null,cf_cv_min_getcchar,[
1513 AC_TRY_RUN([
1514 #include <stdlib.h>
1515 #include <stdarg.h>
1516 #include <${cf_cv_ncurses_header:-curses.h}>
1517
1518 int main()
1519 {
1520         wchar_t data[2];
1521         cchar_t temp[2];
1522         int count;
1523         data[0] = L'\0';
1524     setcchar(temp, data, 0, 0, (void *)0);
1525         count = getcchar(temp, (wchar_t *)0, (attr_t *)0, (short *)0, (void *)0);
1526         ${cf_cv_main_return:-return}(count != 0);
1527 }],
1528         [cf_cv_min_getcchar=no],
1529         [cf_cv_min_getcchar=yes],
1530         [cf_cv_min_getcchar=yes])
1531 ])
1532 if test "$cf_cv_min_getcchar" = yes ; then
1533         AC_DEFINE(MIN_GETCCHAR,1)
1534 fi
1535 ])dnl
1536 dnl ---------------------------------------------------------------------------
1537 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
1538 dnl ----------------------
1539 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1540 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1541 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1542 [
1543 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1544 if test "$cross_compiling" = yes ; then
1545         case $target_alias in #(vi
1546         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
1547                 cf_cv_mixedcase=no
1548                 ;;
1549         *)
1550                 cf_cv_mixedcase=yes
1551                 ;;
1552         esac
1553 else
1554         rm -f conftest CONFTEST
1555         echo test >conftest
1556         if test -f CONFTEST ; then
1557                 cf_cv_mixedcase=no
1558         else
1559                 cf_cv_mixedcase=yes
1560         fi
1561         rm -f conftest CONFTEST
1562 fi
1563 ])
1564 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
1565 ])dnl
1566 dnl ---------------------------------------------------------------------------
1567 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
1568 dnl ----------
1569 dnl Write a debug message to config.log, along with the line number in the
1570 dnl configure script.
1571 AC_DEFUN([CF_MSG_LOG],[
1572 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
1573 ])dnl
1574 dnl ---------------------------------------------------------------------------
1575 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
1576 dnl -------------------
1577 dnl Check if we can compile with ncurses' header file
1578 dnl $1 is the cache variable to set
1579 dnl $2 is the header-file to include
1580 dnl $3 is the root name (ncurses or ncursesw)
1581 AC_DEFUN([CF_NCURSES_CC_CHECK],[
1582         AC_TRY_COMPILE([
1583 ]ifelse($3,ncursesw,[
1584 #define _XOPEN_SOURCE_EXTENDED
1585 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
1586 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
1587 ])[
1588 #include <$2>],[
1589 #ifdef NCURSES_VERSION
1590 ]ifelse($3,ncursesw,[
1591 #ifndef WACS_BSSB
1592         make an error
1593 #endif
1594 ])[
1595 printf("%s\n", NCURSES_VERSION);
1596 #else
1597 #ifdef __NCURSES_H
1598 printf("old\n");
1599 #else
1600         make an error
1601 #endif
1602 #endif
1603         ]
1604         ,[$1=$2]
1605         ,[$1=no])
1606 ])dnl
1607 dnl ---------------------------------------------------------------------------
1608 dnl CF_NCURSES_CONFIG version: 8 updated: 2010/07/08 05:17:30
1609 dnl -----------------
1610 dnl Tie together the configure-script macros for ncurses.
1611 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
1612 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
1613 dnl
1614 dnl $1 is the root library name (default: "ncurses")
1615 AC_DEFUN([CF_NCURSES_CONFIG],
1616 [
1617 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
1618
1619 echo "Looking for ${cf_ncuconfig_root}-config"
1620 AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
1621
1622 if test "$NCURSES_CONFIG" != none ; then
1623
1624 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
1625 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
1626
1627 # even with config script, some packages use no-override for curses.h
1628 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
1629
1630 dnl like CF_NCURSES_CPPFLAGS
1631 AC_DEFINE(NCURSES)
1632
1633 dnl like CF_NCURSES_LIBS
1634 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
1635 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
1636
1637 dnl like CF_NCURSES_VERSION
1638 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
1639
1640 else
1641
1642 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
1643 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
1644
1645 fi
1646 ])dnl
1647 dnl ---------------------------------------------------------------------------
1648 dnl CF_NCURSES_CPPFLAGS version: 19 updated: 2007/07/29 13:35:20
1649 dnl -------------------
1650 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
1651 dnl the CPPFLAGS variable so we can include its header.
1652 dnl
1653 dnl The header files may be installed as either curses.h, or ncurses.h (would
1654 dnl be obsolete, except that some packagers prefer this name to distinguish it
1655 dnl from a "native" curses implementation).  If not installed for overwrite,
1656 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
1657 dnl /usr/include/ncurses), but someone may have installed overwriting the
1658 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
1659 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
1660 dnl the header.
1661 dnl
1662 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
1663 dnl is already in the include-path, don't even bother with this, since we cannot
1664 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
1665 dnl
1666 dnl The optional parameter gives the root name of the library, in case it is
1667 dnl not installed as the default curses library.  That is how the
1668 dnl wide-character version of ncurses is installed.
1669 AC_DEFUN([CF_NCURSES_CPPFLAGS],
1670 [AC_REQUIRE([CF_WITH_CURSES_DIR])
1671
1672 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
1673 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
1674
1675 test -n "$cf_cv_curses_dir" && \
1676 test "$cf_cv_curses_dir" != "no" && { \
1677   CF_ADD_INCDIR($cf_cv_curses_dir/include $cf_cv_curses_dir/include/$cf_ncuhdr_root)
1678 }
1679
1680 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
1681         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
1682         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
1683         for cf_header in $cf_header_list
1684         do
1685                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
1686                 test "$cf_cv_ncurses_h" != no && break
1687         done
1688 ])
1689
1690 CF_NCURSES_HEADER
1691 CF_TERM_HEADER
1692
1693 # some applications need this, but should check for NCURSES_VERSION
1694 AC_DEFINE(NCURSES)
1695
1696 CF_NCURSES_VERSION
1697 ])dnl
1698 dnl ---------------------------------------------------------------------------
1699 dnl CF_NCURSES_EXT_FUNCS version: 3 updated: 2010/11/13 19:43:23
1700 dnl --------------------
1701 dnl Since 2007/11/17, ncurses has defined NCURSES_EXT_FUNCS; earlier versions
1702 dnl may provide these functions.  Define the symbol if it is not defined, and
1703 dnl if it is valid.
1704 AC_DEFUN([CF_NCURSES_EXT_FUNCS],
1705 [
1706 AC_CACHE_CHECK(for ncurses extended functions,cf_cv_ncurses_ext_funcs,[
1707 AC_TRY_COMPILE([
1708 #include <${cf_cv_ncurses_header:-curses.h}>],
1709 [
1710 int x = NCURSES_EXT_FUNCS
1711 ],[cf_cv_ncurses_ext_funcs=defined],[
1712 AC_TRY_LINK([
1713 #include <${cf_cv_ncurses_header:-curses.h}>],
1714 [
1715         (void) assume_default_colors (0, 0);
1716         (void) curses_version ();
1717         (void) define_key (0, 0);
1718         (void) is_term_resized (0, 0);
1719         (void) key_defined (0);
1720         (void) keybound (0, 0);
1721         (void) keyok (0, 0);
1722         (void) resize_term (0, 0);
1723         (void) resizeterm (0, 0);
1724         (void) use_default_colors ();
1725         (void) use_extended_names (0);
1726         (void) wresize (0, 0, 0);],
1727         [cf_cv_ncurses_ext_funcs=yes],
1728         [cf_cv_ncurses_ext_funcs=no])
1729 ])
1730 ])
1731 test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS)
1732 ])dnl
1733 dnl ---------------------------------------------------------------------------
1734 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
1735 dnl -----------------
1736 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
1737 dnl variations of ncurses' installs.
1738 dnl
1739 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
1740 AC_DEFUN([CF_NCURSES_HEADER],[
1741
1742 if test "$cf_cv_ncurses_h" != no ; then
1743         cf_cv_ncurses_header=$cf_cv_ncurses_h
1744 else
1745
1746 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
1747         test -n "$verbose" && echo
1748         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
1749         test -n "$verbose" && echo search path $cf_search
1750         cf_save2_CPPFLAGS="$CPPFLAGS"
1751         for cf_incdir in $cf_search
1752         do
1753                 CF_ADD_INCDIR($cf_incdir)
1754                 for cf_header in \
1755                         ncurses.h \
1756                         curses.h
1757                 do
1758                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
1759                         if test "$cf_cv_ncurses_h2" != no ; then
1760                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
1761                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
1762                                 break
1763                         fi
1764                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
1765                 done
1766                 CPPFLAGS="$cf_save2_CPPFLAGS"
1767                 test "$cf_cv_ncurses_h2" != no && break
1768         done
1769         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
1770         ])
1771
1772         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
1773         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
1774         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
1775                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
1776         fi
1777         CF_ADD_INCDIR($cf_1st_incdir)
1778
1779 fi
1780
1781 # Set definitions to allow ifdef'ing for ncurses.h
1782
1783 case $cf_cv_ncurses_header in # (vi
1784 *ncurses.h)
1785         AC_DEFINE(HAVE_NCURSES_H)
1786         ;;
1787 esac
1788
1789 case $cf_cv_ncurses_header in # (vi
1790 ncurses/curses.h|ncurses/ncurses.h)
1791         AC_DEFINE(HAVE_NCURSES_NCURSES_H)
1792         ;;
1793 ncursesw/curses.h|ncursesw/ncurses.h)
1794         AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
1795         ;;
1796 esac
1797
1798 ])dnl
1799 dnl ---------------------------------------------------------------------------
1800 dnl CF_NCURSES_LIBS version: 15 updated: 2010/10/23 15:54:49
1801 dnl ---------------
1802 dnl Look for the ncurses library.  This is a little complicated on Linux,
1803 dnl because it may be linked with the gpm (general purpose mouse) library.
1804 dnl Some distributions have gpm linked with (bsd) curses, which makes it
1805 dnl unusable with ncurses.  However, we don't want to link with gpm unless
1806 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
1807 dnl and the linker will record a dependency.
1808 dnl
1809 dnl The optional parameter gives the root name of the library, in case it is
1810 dnl not installed as the default curses library.  That is how the
1811 dnl wide-character version of ncurses is installed.
1812 AC_DEFUN([CF_NCURSES_LIBS],
1813 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
1814
1815 cf_nculib_root=ifelse($1,,ncurses,$1)
1816         # This works, except for the special case where we find gpm, but
1817         # ncurses is in a nonstandard location via $LIBS, and we really want
1818         # to link gpm.
1819 cf_ncurses_LIBS=""
1820 cf_ncurses_SAVE="$LIBS"
1821 AC_CHECK_LIB(gpm,Gpm_Open,
1822         [AC_CHECK_LIB(gpm,initscr,
1823                 [LIBS="$cf_ncurses_SAVE"],
1824                 [cf_ncurses_LIBS="-lgpm"])])
1825
1826 case $host_os in #(vi
1827 freebsd*)
1828         # This is only necessary if you are linking against an obsolete
1829         # version of ncurses (but it should do no harm, since it's static).
1830         if test "$cf_nculib_root" = ncurses ; then
1831                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
1832         fi
1833         ;;
1834 esac
1835
1836 CF_ADD_LIBS($cf_ncurses_LIBS)
1837
1838 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
1839 then
1840         CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
1841         CF_ADD_LIBS(-l$cf_nculib_root)
1842 else
1843         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
1844                 [#include <${cf_cv_ncurses_header:-curses.h}>],
1845                 [initscr()],
1846                 initscr)
1847 fi
1848
1849 if test -n "$cf_ncurses_LIBS" ; then
1850         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
1851         cf_ncurses_SAVE="$LIBS"
1852         for p in $cf_ncurses_LIBS ; do
1853                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
1854                 if test "$q" != "$LIBS" ; then
1855                         LIBS="$q"
1856                 fi
1857         done
1858         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
1859                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
1860                 [AC_MSG_RESULT(yes)],
1861                 [AC_MSG_RESULT(no)
1862                  LIBS="$cf_ncurses_SAVE"])
1863 fi
1864
1865 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
1866 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
1867 ])dnl
1868 dnl ---------------------------------------------------------------------------
1869 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
1870 dnl ------------------
1871 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
1872 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
1873 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
1874 AC_DEFUN([CF_NCURSES_VERSION],
1875 [
1876 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1877 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
1878         cf_cv_ncurses_version=no
1879         cf_tempfile=out$$
1880         rm -f $cf_tempfile
1881         AC_TRY_RUN([
1882 #include <${cf_cv_ncurses_header:-curses.h}>
1883 #include <stdio.h>
1884 int main()
1885 {
1886         FILE *fp = fopen("$cf_tempfile", "w");
1887 #ifdef NCURSES_VERSION
1888 # ifdef NCURSES_VERSION_PATCH
1889         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
1890 # else
1891         fprintf(fp, "%s\n", NCURSES_VERSION);
1892 # endif
1893 #else
1894 # ifdef __NCURSES_H
1895         fprintf(fp, "old\n");
1896 # else
1897         make an error
1898 # endif
1899 #endif
1900         ${cf_cv_main_return:-return}(0);
1901 }],[
1902         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
1903
1904         # This will not work if the preprocessor splits the line after the
1905         # Autoconf token.  The 'unproto' program does that.
1906         cat > conftest.$ac_ext <<EOF
1907 #include <${cf_cv_ncurses_header:-curses.h}>
1908 #undef Autoconf
1909 #ifdef NCURSES_VERSION
1910 Autoconf NCURSES_VERSION
1911 #else
1912 #ifdef __NCURSES_H
1913 Autoconf "old"
1914 #endif
1915 ;
1916 #endif
1917 EOF
1918         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
1919         AC_TRY_EVAL(cf_try)
1920         if test -f conftest.out ; then
1921                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
1922                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
1923                 rm -f conftest.out
1924         fi
1925 ])
1926         rm -f $cf_tempfile
1927 ])
1928 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
1929 ])dnl
1930 dnl ---------------------------------------------------------------------------
1931 dnl CF_NCURSES_WRAP_PREFIX version: 1 updated: 2009/03/28 16:08:10
1932 dnl ----------------------
1933 dnl Check for ncurses "wrap-prefix" used for public variables which have been
1934 dnl wrapped with a function to help with concurrency control.
1935 AC_DEFUN([CF_NCURSES_WRAP_PREFIX],
1936 [
1937 AC_MSG_CHECKING(for ncurses wrap-prefix)
1938 AC_ARG_WITH(ncurses-wrap-prefix,
1939         [  --with-ncurses-wrap-prefix naming-prefix for ncurses wrapped-variables],
1940         [NCURSES_WRAP_PREFIX=$withval],
1941         [NCURSES_WRAP_PREFIX=_nc_])
1942 AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
1943
1944 AC_SUBST(NCURSES_WRAP_PREFIX)
1945 ])
1946 dnl ---------------------------------------------------------------------------
1947 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
1948 dnl --------------
1949 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
1950 dnl begins with one of the prefix/exec_prefix variables, and then again if the
1951 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
1952 dnl delayed evaluation of those symbols.
1953 AC_DEFUN([CF_PATH_SYNTAX],[
1954 if test "x$prefix" != xNONE; then
1955   cf_path_syntax="$prefix"
1956 else
1957   cf_path_syntax="$ac_default_prefix"
1958 fi
1959
1960 case ".[$]$1" in #(vi
1961 .\[$]\(*\)*|.\'*\'*) #(vi
1962   ;;
1963 ..|./*|.\\*) #(vi
1964   ;;
1965 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
1966   ;;
1967 .\[$]{*prefix}*) #(vi
1968   eval $1="[$]$1"
1969   case ".[$]$1" in #(vi
1970   .NONE/*)
1971     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
1972     ;;
1973   esac
1974   ;; #(vi
1975 .no|.NONE/*)
1976   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
1977   ;;
1978 *)
1979   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
1980   ;;
1981 esac
1982 ])dnl
1983 dnl ---------------------------------------------------------------------------
1984 dnl CF_PDCURSES_X11 version: 10 updated: 2010/06/20 09:24:28
1985 dnl ---------------
1986 dnl Configure for PDCurses' X11 library
1987 AC_DEFUN([CF_PDCURSES_X11],[
1988 AC_REQUIRE([CF_X_ATHENA])
1989
1990 AC_PATH_PROGS(XCURSES_CONFIG,xcurses-config,none)
1991
1992 if test "$XCURSES_CONFIG" != none ; then
1993
1994 CPPFLAGS="$CPPFLAGS `$XCURSES_CONFIG --cflags`"
1995 CF_ADD_LIBS(`$XCURSES_CONFIG --libs`)
1996
1997 cf_cv_lib_XCurses=yes
1998
1999 else
2000
2001 LDFLAGS="$LDFLAGS $X_LIBS"
2002 CF_CHECK_CFLAGS($X_CFLAGS)
2003 AC_CHECK_LIB(X11,XOpenDisplay,
2004         [CF_ADD_LIBS(-lX11)],,
2005         [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
2006 AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[
2007 CF_ADD_LIBS(-lXCurses)
2008 AC_TRY_LINK([
2009 #include <xcurses.h>
2010 char *XCursesProgramName = "test";
2011 ],[XCursesExit();],
2012 [cf_cv_lib_XCurses=yes],
2013 [cf_cv_lib_XCurses=no])
2014 ])
2015
2016 fi
2017
2018 if test $cf_cv_lib_XCurses = yes ; then
2019         AC_DEFINE(UNIX)
2020         AC_DEFINE(XCURSES)
2021         AC_DEFINE(HAVE_XCURSES)
2022 else
2023         AC_MSG_ERROR(Cannot link with XCurses)
2024 fi
2025 ])dnl
2026 dnl ---------------------------------------------------------------------------
2027 dnl CF_PKG_CONFIG version: 3 updated: 2009/01/25 10:55:09
2028 dnl -------------
2029 dnl Check for the package-config program, unless disabled by command-line.
2030 AC_DEFUN([CF_PKG_CONFIG],
2031 [
2032 AC_MSG_CHECKING(if you want to use pkg-config)
2033 AC_ARG_WITH(pkg-config,
2034         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2035         [cf_pkg_config=$withval],
2036         [cf_pkg_config=yes])
2037 AC_MSG_RESULT($cf_pkg_config)
2038
2039 case $cf_pkg_config in #(vi
2040 no) #(vi
2041         PKG_CONFIG=none
2042         ;;
2043 yes) #(vi
2044         AC_PATH_PROG(PKG_CONFIG, pkg-config, none)
2045         ;;
2046 *)
2047         PKG_CONFIG=$withval
2048         ;;
2049 esac
2050
2051 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2052 if test "$PKG_CONFIG" != none ; then
2053         CF_PATH_SYNTAX(PKG_CONFIG)
2054 fi
2055
2056 AC_SUBST(PKG_CONFIG)
2057 ])dnl
2058 dnl ---------------------------------------------------------------------------
2059 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2060 dnl -----------------
2061 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2062 dnl
2063 dnl     POSIX.1-1990                            _POSIX_SOURCE
2064 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2065 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2066 dnl             Bindings Option
2067 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2068 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2069 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2070 dnl
2071 dnl Parameters:
2072 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2073 AC_DEFUN([CF_POSIX_C_SOURCE],
2074 [
2075 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2076
2077 cf_save_CFLAGS="$CFLAGS"
2078 cf_save_CPPFLAGS="$CPPFLAGS"
2079
2080 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2081 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2082
2083 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2084         CF_MSG_LOG(if the symbol is already defined go no further)
2085         AC_TRY_COMPILE([#include <sys/types.h>],[
2086 #ifndef _POSIX_C_SOURCE
2087 make an error
2088 #endif],
2089         [cf_cv_posix_c_source=no],
2090         [cf_want_posix_source=no
2091          case .$cf_POSIX_C_SOURCE in #(vi
2092          .[[12]]??*) #(vi
2093                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2094                 ;;
2095          .2) #(vi
2096                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2097                 cf_want_posix_source=yes
2098                 ;;
2099          .*)
2100                 cf_want_posix_source=yes
2101                 ;;
2102          esac
2103          if test "$cf_want_posix_source" = yes ; then
2104                 AC_TRY_COMPILE([#include <sys/types.h>],[
2105 #ifdef _POSIX_SOURCE
2106 make an error
2107 #endif],[],
2108                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2109          fi
2110          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2111          CFLAGS="$cf_trim_CFLAGS"
2112          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2113          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2114          AC_TRY_COMPILE([#include <sys/types.h>],[
2115 #ifndef _POSIX_C_SOURCE
2116 make an error
2117 #endif],,
2118          [cf_cv_posix_c_source=no])
2119          CFLAGS="$cf_save_CFLAGS"
2120          CPPFLAGS="$cf_save_CPPFLAGS"
2121         ])
2122 ])
2123
2124 if test "$cf_cv_posix_c_source" != no ; then
2125         CFLAGS="$cf_trim_CFLAGS"
2126         CPPFLAGS="$cf_trim_CPPFLAGS"
2127         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2128 fi
2129
2130 ])dnl
2131 dnl ---------------------------------------------------------------------------
2132 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
2133 dnl ------------
2134 dnl Append definitions and rules for the given programs to the subdirectory
2135 dnl Makefiles, and the recursion rule for the top-level Makefile.
2136 dnl
2137 dnl parameters
2138 dnl     $1 = script to run
2139 dnl     $2 = list of subdirectories
2140 dnl
2141 dnl variables
2142 dnl     $AWK
2143 AC_DEFUN([CF_PRG_RULES],
2144 [
2145 for cf_dir in $2
2146 do
2147         if test ! -d $srcdir/$cf_dir; then
2148                 continue
2149         elif test -f $srcdir/$cf_dir/programs; then
2150                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
2151         fi
2152 done
2153
2154 ])dnl
2155 dnl ---------------------------------------------------------------------------
2156 dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
2157 dnl --------------
2158 dnl Check if C (preprocessor) -U and -D options are processed in the order
2159 dnl given rather than by type of option.  Some compilers insist on apply all
2160 dnl of the -U options after all of the -D options.  Others allow mixing them,
2161 dnl and may predefine symbols that conflict with those we define.
2162 AC_DEFUN([CF_PROG_CC_U_D],
2163 [
2164 AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
2165         cf_save_CPPFLAGS="$CPPFLAGS"
2166         CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
2167         AC_TRY_COMPILE([],[
2168 #ifndef U_D_OPTIONS
2169 make an undefined-error
2170 #endif
2171 #ifdef  D_U_OPTIONS
2172 make a defined-error
2173 #endif
2174         ],[
2175         cf_cv_cc_u_d_options=yes],[
2176         cf_cv_cc_u_d_options=no])
2177         CPPFLAGS="$cf_save_CPPFLAGS"
2178 ])
2179 ])dnl
2180 dnl ---------------------------------------------------------------------------
2181 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
2182 dnl ---------------
2183 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
2184 dnl misc/tabset install won't work properly.  Usually this happens only when
2185 dnl using the fallback mkinstalldirs script
2186 AC_DEFUN([CF_PROG_INSTALL],
2187 [AC_PROG_INSTALL
2188 case $INSTALL in
2189 /*)
2190   ;;
2191 *)
2192   CF_DIRNAME(cf_dir,$INSTALL)
2193   test -z "$cf_dir" && cf_dir=.
2194   INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
2195   ;;
2196 esac
2197 ])dnl
2198 dnl ---------------------------------------------------------------------------
2199 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
2200 dnl ------------
2201 AC_DEFUN([CF_PROG_LINT],
2202 [
2203 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
2204 AC_SUBST(LINT_OPTS)
2205 ])dnl
2206 dnl ---------------------------------------------------------------------------
2207 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2208 dnl ----------------
2209 dnl Remove all -U and -D options that refer to the given symbol from a list
2210 dnl of C compiler options.  This works around the problem that not all
2211 dnl compilers process -U and -D options from left-to-right, so a -U option
2212 dnl cannot be used to cancel the effect of a preceding -D option.
2213 dnl
2214 dnl $1 = target (which could be the same as the source variable)
2215 dnl $2 = source (including '$')
2216 dnl $3 = symbol to remove
2217 define([CF_REMOVE_DEFINE],
2218 [
2219 $1=`echo "$2" | \
2220         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2221                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2222 ])dnl
2223 dnl ---------------------------------------------------------------------------
2224 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
2225 dnl ---------------
2226 dnl signal handler, but there are some gcc depedencies in that recommendation.
2227 dnl Try anyway.
2228 AC_DEFUN([CF_SIG_ATOMIC_T],
2229 [
2230 AC_MSG_CHECKING(for signal global datatype)
2231 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
2232         for cf_type in \
2233                 "volatile sig_atomic_t" \
2234                 "sig_atomic_t" \
2235                 "int"
2236         do
2237         AC_TRY_COMPILE([
2238 #include <sys/types.h>
2239 #include <signal.h>
2240 #include <stdio.h>
2241
2242 extern $cf_type x;
2243 $cf_type x;
2244 static void handler(int sig)
2245 {
2246         x = 5;
2247 }],
2248                 [signal(SIGINT, handler);
2249                  x = 1],
2250                 [cf_cv_sig_atomic_t=$cf_type],
2251                 [cf_cv_sig_atomic_t=no])
2252                 test "$cf_cv_sig_atomic_t" != no && break
2253         done
2254         ])
2255 AC_MSG_RESULT($cf_cv_sig_atomic_t)
2256 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
2257 ])dnl
2258 dnl ---------------------------------------------------------------------------
2259 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
2260 dnl --------------
2261 dnl Construct a search-list for a nonstandard header/lib-file
2262 dnl     $1 = the variable to return as result
2263 dnl     $2 = the package name
2264 dnl     $3 = the subdirectory, e.g., bin, include or lib
2265 AC_DEFUN([CF_SUBDIR_PATH],
2266 [
2267 $1=
2268
2269 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
2270 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
2271 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
2272 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
2273 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
2274 ])dnl
2275 dnl ---------------------------------------------------------------------------
2276 dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
2277 dnl ------------------
2278 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
2279 dnl older SCO configurations.
2280 AC_DEFUN([CF_SYS_TIME_SELECT],
2281 [
2282 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
2283 AC_CACHE_VAL(cf_cv_sys_time_select,[
2284 AC_TRY_COMPILE([
2285 #include <sys/types.h>
2286 #ifdef HAVE_SYS_TIME_H
2287 #include <sys/time.h>
2288 #endif
2289 #ifdef HAVE_SYS_SELECT_H
2290 #include <sys/select.h>
2291 #endif
2292 ],[],[cf_cv_sys_time_select=yes],
2293      [cf_cv_sys_time_select=no])
2294      ])
2295 AC_MSG_RESULT($cf_cv_sys_time_select)
2296 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
2297 ])dnl
2298 dnl ---------------------------------------------------------------------------
2299 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
2300 dnl --------------
2301 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
2302 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
2303 dnl but some packagers change this, breaking various applications.
2304 AC_DEFUN([CF_TERM_HEADER],[
2305 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
2306 case ${cf_cv_ncurses_header} in #(vi
2307 */ncurses.h|*/ncursesw.h) #(vi
2308         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
2309         ;;
2310 *)
2311         cf_term_header=term.h
2312         ;;
2313 esac
2314
2315 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
2316 do
2317 AC_TRY_COMPILE([#include <stdio.h>
2318 #include <${cf_cv_ncurses_header:-curses.h}>
2319 #include <$cf_test>
2320 ],[int x = auto_left_margin],[
2321         cf_cv_term_header="$cf_test"],[
2322         cf_cv_term_header=unknown
2323         ])
2324         test "$cf_cv_term_header" != unknown && break
2325 done
2326 ])
2327
2328 # Set definitions to allow ifdef'ing to accommodate subdirectories
2329
2330 case $cf_cv_term_header in # (vi
2331 *term.h)
2332         AC_DEFINE(HAVE_TERM_H)
2333         ;;
2334 esac
2335
2336 case $cf_cv_term_header in # (vi
2337 ncurses/term.h) #(vi
2338         AC_DEFINE(HAVE_NCURSES_TERM_H)
2339         ;;
2340 ncursesw/term.h)
2341         AC_DEFINE(HAVE_NCURSESW_TERM_H)
2342         ;;
2343 esac
2344 ])dnl
2345 dnl ---------------------------------------------------------------------------
2346 dnl CF_TRY_PKG_CONFIG version: 4 updated: 2010/06/14 17:42:30
2347 dnl -----------------
2348 dnl This is a simple wrapper to use for pkg-config, for libraries which may be
2349 dnl available in that form.
2350 dnl
2351 dnl $1 = package name
2352 dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
2353 dnl $3 = logic to use if pkg-config does not have the package
2354 AC_DEFUN([CF_TRY_PKG_CONFIG],[
2355 AC_REQUIRE([CF_PKG_CONFIG])
2356
2357 if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
2358         CF_VERBOSE(found package $1)
2359         cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
2360         cf_pkgconfig_libs="`$PKG_CONFIG --libs   $1 2>/dev/null`"
2361         CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
2362         CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
2363         CF_ADD_CFLAGS($cf_pkgconfig_incs)
2364         CF_ADD_LIBS($cf_pkgconfig_libs)
2365         ifelse([$2],,:,[$2])
2366 else
2367         ifelse([$3],,:,[$3])
2368 fi
2369 ])
2370 dnl ---------------------------------------------------------------------------
2371 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
2372 dnl --------
2373 dnl Make an uppercase version of a variable
2374 dnl $1=uppercase($2)
2375 AC_DEFUN([CF_UPPER],
2376 [
2377 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
2378 ])dnl
2379 dnl ---------------------------------------------------------------------------
2380 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
2381 dnl -----------
2382 dnl Check for multibyte support, and if not found, utf8 compatibility library
2383 AC_DEFUN([CF_UTF8_LIB],
2384 [
2385 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
2386         cf_save_LIBS="$LIBS"
2387         AC_TRY_LINK([
2388 #include <stdlib.h>],[putwc(0,0);],
2389         [cf_cv_utf8_lib=yes],
2390         [CF_FIND_LINKAGE([
2391 #include <libutf8.h>],[putwc(0,0);],utf8,
2392                 [cf_cv_utf8_lib=add-on],
2393                 [cf_cv_utf8_lib=no])
2394 ])])
2395
2396 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
2397 # ncurses/ncursesw:
2398 if test "$cf_cv_utf8_lib" = "add-on" ; then
2399         AC_DEFINE(HAVE_LIBUTF8_H)
2400         CF_ADD_INCDIR($cf_cv_header_path_utf8)
2401         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
2402         CF_ADD_LIBS($cf_cv_library_file_utf8)
2403 fi
2404 ])dnl
2405 dnl ---------------------------------------------------------------------------
2406 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
2407 dnl ----------
2408 dnl Use AC_VERBOSE w/o the warnings
2409 AC_DEFUN([CF_VERBOSE],
2410 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
2411 CF_MSG_LOG([$1])
2412 ])dnl
2413 dnl ---------------------------------------------------------------------------
2414 dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
2415 dnl -------------
2416 dnl Check if type wide-character type $1 is declared, and if so, which header
2417 dnl file is needed.  The second parameter is used to set a shell variable when
2418 dnl the type is not found.  The first parameter sets a shell variable for the
2419 dnl opposite sense.
2420 AC_DEFUN([CF_WCHAR_TYPE],
2421 [
2422 # This is needed on Tru64 5.0 to declare $1
2423 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
2424 AC_TRY_COMPILE([
2425 #include <stdlib.h>
2426 #include <stdarg.h>
2427 #include <stdio.h>
2428 #ifdef HAVE_LIBUTF8_H
2429 #include <libutf8.h>
2430 #endif],
2431         [$1 state],
2432         [cf_cv_$1=no],
2433         [AC_TRY_COMPILE([
2434 #include <stdlib.h>
2435 #include <stdarg.h>
2436 #include <stdio.h>
2437 #include <wchar.h>
2438 #ifdef HAVE_LIBUTF8_H
2439 #include <libutf8.h>
2440 #endif],
2441         [$1 value],
2442         [cf_cv_$1=yes],
2443         [cf_cv_$1=unknown])])])
2444
2445 if test "$cf_cv_$1" = yes ; then
2446         AC_DEFINE(NEED_WCHAR_H)
2447         NEED_WCHAR_H=1
2448 fi
2449
2450 ifelse([$2],,,[
2451 # if we do not find $1 in either place, use substitution to provide a fallback.
2452 if test "$cf_cv_$1" = unknown ; then
2453         $2=1
2454 fi
2455 ])
2456 ifelse($3,,,[
2457 # if we find $1 in either place, use substitution to provide a fallback.
2458 if test "$cf_cv_$1" != unknown ; then
2459         $3=1
2460 fi
2461 ])
2462 ])dnl
2463 dnl ---------------------------------------------------------------------------
2464 dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
2465 dnl ------------------
2466 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
2467 dnl libraries.
2468 AC_DEFUN([CF_WITH_CURSES_DIR],[
2469 AC_ARG_WITH(curses-dir,
2470         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
2471         [CF_PATH_SYNTAX(withval)
2472          cf_cv_curses_dir=$withval],
2473         [cf_cv_curses_dir=no])
2474 ])dnl
2475 dnl ---------------------------------------------------------------------------
2476 dnl CF_XOPEN_CURSES version: 10 updated: 2010/10/23 15:54:49
2477 dnl ---------------
2478 dnl Test if we should define X/Open source for curses, needed on Digital Unix
2479 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
2480 dnl
2481 dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
2482 dnl as getbegy().  The latter is better design, but the former is standard.
2483 AC_DEFUN([CF_XOPEN_CURSES],
2484 [
2485 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2486 AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[
2487 AC_TRY_LINK([
2488 #include <stdlib.h>
2489 #include <${cf_cv_ncurses_header:-curses.h}>],[
2490 #if defined(NCURSES_VERSION_PATCH)
2491 if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
2492         make an error
2493 #endif
2494 #endif
2495         long x = winnstr(stdscr, "", 0);
2496         int x1, y1;
2497         getbegyx(stdscr, y1, x1)],
2498         [cf_cv_need_xopen_extension=no],
2499         [AC_TRY_LINK([
2500 #define _XOPEN_SOURCE_EXTENDED
2501 #include <stdlib.h>
2502 #include <${cf_cv_ncurses_header:-curses.h}>],[
2503 #ifdef NCURSES_VERSION
2504         cchar_t check;
2505         int check2 = curs_set((int)sizeof(check));
2506 #endif
2507         long x = winnstr(stdscr, "", 0);
2508         int x1, y1;
2509         getbegyx(stdscr, y1, x1)],
2510         [cf_cv_need_xopen_extension=yes],
2511         [cf_cv_need_xopen_extension=unknown])])])
2512 test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
2513 ])dnl
2514 dnl ---------------------------------------------------------------------------
2515 dnl CF_XOPEN_SOURCE version: 34 updated: 2010/05/26 05:38:42
2516 dnl ---------------
2517 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
2518 dnl or adapt to the vendor's definitions to get equivalent functionality,
2519 dnl without losing the common non-POSIX features.
2520 dnl
2521 dnl Parameters:
2522 dnl     $1 is the nominal value for _XOPEN_SOURCE
2523 dnl     $2 is the nominal value for _POSIX_C_SOURCE
2524 AC_DEFUN([CF_XOPEN_SOURCE],[
2525
2526 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
2527 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
2528 cf_xopen_source=
2529
2530 case $host_os in #(vi
2531 aix[[456]]*) #(vi
2532         cf_xopen_source="-D_ALL_SOURCE"
2533         ;;
2534 darwin[[0-8]].*) #(vi
2535         cf_xopen_source="-D_APPLE_C_SOURCE"
2536         ;;
2537 darwin*) #(vi
2538         cf_xopen_source="-D_DARWIN_C_SOURCE"
2539         ;;
2540 freebsd*|dragonfly*) #(vi
2541         # 5.x headers associate
2542         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
2543         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
2544         cf_POSIX_C_SOURCE=200112L
2545         cf_XOPEN_SOURCE=600
2546         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
2547         ;;
2548 hpux11*) #(vi
2549         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
2550         ;;
2551 hpux*) #(vi
2552         cf_xopen_source="-D_HPUX_SOURCE"
2553         ;;
2554 irix[[56]].*) #(vi
2555         cf_xopen_source="-D_SGI_SOURCE"
2556         ;;
2557 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
2558         CF_GNU_SOURCE
2559         ;;
2560 mirbsd*) #(vi
2561         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
2562         ;;
2563 netbsd*) #(vi
2564         # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
2565         ;;
2566 openbsd*) #(vi
2567         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
2568         ;;
2569 osf[[45]]*) #(vi
2570         cf_xopen_source="-D_OSF_SOURCE"
2571         ;;
2572 nto-qnx*) #(vi
2573         cf_xopen_source="-D_QNX_SOURCE"
2574         ;;
2575 sco*) #(vi
2576         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
2577         ;;
2578 solaris2.1[[0-9]]) #(vi
2579         cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
2580         ;;
2581 solaris2.[[1-9]]) #(vi
2582         cf_xopen_source="-D__EXTENSIONS__"
2583         ;;
2584 *)
2585         AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
2586         AC_TRY_COMPILE([#include <sys/types.h>],[
2587 #ifndef _XOPEN_SOURCE
2588 make an error
2589 #endif],
2590         [cf_cv_xopen_source=no],
2591         [cf_save="$CPPFLAGS"
2592          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
2593          AC_TRY_COMPILE([#include <sys/types.h>],[
2594 #ifdef _XOPEN_SOURCE
2595 make an error
2596 #endif],
2597         [cf_cv_xopen_source=no],
2598         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
2599         CPPFLAGS="$cf_save"
2600         ])
2601 ])
2602         if test "$cf_cv_xopen_source" != no ; then
2603                 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
2604                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
2605                 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
2606                 CF_ADD_CFLAGS($cf_temp_xopen_source)
2607         fi
2608         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
2609         ;;
2610 esac
2611
2612 if test -n "$cf_xopen_source" ; then
2613         CF_ADD_CFLAGS($cf_xopen_source)
2614 fi
2615 ])
2616 dnl ---------------------------------------------------------------------------
2617 dnl CF_X_ATHENA version: 20 updated: 2010/11/09 05:18:02
2618 dnl -----------
2619 dnl Check for Xaw (Athena) libraries
2620 dnl
2621 dnl Sets $cf_x_athena according to the flavor of Xaw which is used.
2622 AC_DEFUN([CF_X_ATHENA],
2623 [
2624 cf_x_athena=${cf_x_athena:-Xaw}
2625
2626 AC_MSG_CHECKING(if you want to link with Xaw 3d library)
2627 withval=
2628 AC_ARG_WITH(Xaw3d,
2629         [  --with-Xaw3d            link with Xaw 3d library])
2630 if test "$withval" = yes ; then
2631         cf_x_athena=Xaw3d
2632         AC_MSG_RESULT(yes)
2633 else
2634         AC_MSG_RESULT(no)
2635 fi
2636
2637 AC_MSG_CHECKING(if you want to link with neXT Athena library)
2638 withval=
2639 AC_ARG_WITH(neXtaw,
2640         [  --with-neXtaw           link with neXT Athena library])
2641 if test "$withval" = yes ; then
2642         cf_x_athena=neXtaw
2643         AC_MSG_RESULT(yes)
2644 else
2645         AC_MSG_RESULT(no)
2646 fi
2647
2648 AC_MSG_CHECKING(if you want to link with Athena-Plus library)
2649 withval=
2650 AC_ARG_WITH(XawPlus,
2651         [  --with-XawPlus          link with Athena-Plus library])
2652 if test "$withval" = yes ; then
2653         cf_x_athena=XawPlus
2654         AC_MSG_RESULT(yes)
2655 else
2656         AC_MSG_RESULT(no)
2657 fi
2658
2659 cf_x_athena_lib=""
2660
2661 if test "$PKG_CONFIG" != none ; then
2662         cf_athena_list=
2663         test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6"
2664         for cf_athena_pkg in \
2665                 $cf_athena_list \
2666                 ${cf_x_athena} \
2667                 ${cf_x_athena}-devel \
2668                 lib${cf_x_athena} \
2669                 lib${cf_x_athena}-devel
2670         do
2671                 CF_TRY_PKG_CONFIG($cf_athena_pkg,[
2672                         cf_x_athena_lib="$cf_pkgconfig_libs"
2673                         CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
2674                         AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
2675
2676 AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[
2677 AC_TRY_LINK([
2678 #include <X11/Xmu/CharSet.h>
2679 ],[
2680 int check = XmuCompareISOLatin1("big", "small")
2681 ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])])
2682
2683                         if test "$cf_cv_xaw_compat" = no
2684                         then
2685                                 # workaround for broken ".pc" files...
2686                                 case "$cf_x_athena_lib" in #(vi
2687                                 *-lXmu*) #(vi
2688                                         ;;
2689                                 *)
2690                                         CF_VERBOSE(work around broken package)
2691                                         CF_TRY_PKG_CONFIG(xmu,,[CF_ADD_LIB_AFTER(-lXt,-lXmu)])
2692                                         ;;
2693                                 esac
2694                         fi
2695
2696                         break])
2697         done
2698 fi
2699
2700 if test -z "$cf_x_athena_lib" ; then
2701         CF_X_EXT
2702         CF_X_TOOLKIT
2703         CF_X_ATHENA_CPPFLAGS($cf_x_athena)
2704         CF_X_ATHENA_LIBS($cf_x_athena)
2705 fi
2706 ])dnl
2707 dnl ---------------------------------------------------------------------------
2708 dnl CF_X_ATHENA_CPPFLAGS version: 5 updated: 2010/05/26 17:35:30
2709 dnl --------------------
2710 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
2711 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
2712 AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
2713 [
2714 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
2715 cf_x_athena_inc=""
2716
2717 for cf_path in default \
2718         /usr/contrib/X11R6 \
2719         /usr/contrib/X11R5 \
2720         /usr/lib/X11R5 \
2721         /usr/local
2722 do
2723         if test -z "$cf_x_athena_inc" ; then
2724                 cf_save="$CPPFLAGS"
2725                 cf_test=X11/$cf_x_athena_root/SimpleMenu.h
2726                 if test $cf_path != default ; then
2727                         CPPFLAGS="$cf_save -I$cf_path/include"
2728                         AC_MSG_CHECKING(for $cf_test in $cf_path)
2729                 else
2730                         AC_MSG_CHECKING(for $cf_test)
2731                 fi
2732                 AC_TRY_COMPILE([
2733 #include <X11/Intrinsic.h>
2734 #include <$cf_test>],[],
2735                         [cf_result=yes],
2736                         [cf_result=no])
2737                 AC_MSG_RESULT($cf_result)
2738                 if test "$cf_result" = yes ; then
2739                         cf_x_athena_inc=$cf_path
2740                         break
2741                 else
2742                         CPPFLAGS="$cf_save"
2743                 fi
2744         fi
2745 done
2746
2747 if test -z "$cf_x_athena_inc" ; then
2748         AC_MSG_WARN(
2749 [Unable to successfully find Athena header files with test program])
2750 elif test "$cf_x_athena_inc" != default ; then
2751         CPPFLAGS="$CPPFLAGS -I$cf_x_athena_inc"
2752 fi
2753 ])
2754 dnl ---------------------------------------------------------------------------
2755 dnl CF_X_ATHENA_LIBS version: 9 updated: 2010/06/02 05:03:05
2756 dnl ----------------
2757 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
2758 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
2759 AC_DEFUN([CF_X_ATHENA_LIBS],
2760 [AC_REQUIRE([CF_X_TOOLKIT])
2761 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
2762 cf_x_athena_lib=""
2763
2764 for cf_path in default \
2765         /usr/contrib/X11R6 \
2766         /usr/contrib/X11R5 \
2767         /usr/lib/X11R5 \
2768         /usr/local
2769 do
2770         for cf_lib in \
2771                 "-l$cf_x_athena_root -lXmu" \
2772                 "-l$cf_x_athena_root -lXpm -lXmu" \
2773                 "-l${cf_x_athena_root}_s -lXmu_s"
2774         do
2775                 if test -z "$cf_x_athena_lib" ; then
2776                         cf_save="$LIBS"
2777                         cf_test=XawSimpleMenuAddGlobalActions
2778                         if test $cf_path != default ; then
2779                                 CF_ADD_LIBS(-L$cf_path/lib $cf_lib)
2780                                 AC_MSG_CHECKING(for $cf_lib in $cf_path)
2781                         else
2782                                 CF_ADD_LIBS($cf_lib)
2783                                 AC_MSG_CHECKING(for $cf_test in $cf_lib)
2784                         fi
2785                         AC_TRY_LINK([],[$cf_test()],
2786                                 [cf_result=yes],
2787                                 [cf_result=no])
2788                         AC_MSG_RESULT($cf_result)
2789                         if test "$cf_result" = yes ; then
2790                                 cf_x_athena_lib="$cf_lib"
2791                                 break
2792                         fi
2793                         LIBS="$cf_save"
2794                 fi
2795         done
2796 done
2797
2798 if test -z "$cf_x_athena_lib" ; then
2799         AC_MSG_ERROR(
2800 [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
2801 fi
2802
2803 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
2804 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
2805 ])
2806 dnl ---------------------------------------------------------------------------
2807 dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05
2808 dnl --------
2809 AC_DEFUN([CF_X_EXT],[
2810 CF_TRY_PKG_CONFIG(Xext,,[
2811         AC_CHECK_LIB(Xext,XextCreateExtension,
2812                 [CF_ADD_LIB(Xext)])])
2813 ])dnl
2814 dnl ---------------------------------------------------------------------------
2815 dnl CF_X_TOOLKIT version: 19 updated: 2010/11/09 05:18:02
2816 dnl ------------
2817 dnl Check for X Toolkit libraries
2818 dnl
2819 AC_DEFUN([CF_X_TOOLKIT],
2820 [
2821 AC_REQUIRE([AC_PATH_XTRA])
2822 AC_REQUIRE([CF_CHECK_CACHE])
2823
2824 cf_have_X_LIBS=no
2825
2826 CF_TRY_PKG_CONFIG(xt,[
2827
2828 AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_compat,[
2829 AC_TRY_LINK([
2830 #include <X11/Shell.h>
2831 ],[int num = IceConnectionNumber(0)
2832 ],[cf_cv_xt_compat=no],[cf_cv_xt_compat=no])])
2833
2834         if test "$cf_cv_xt_compat" = no
2835         then
2836                 # workaround for broken ".pc" files used for X Toolkit.
2837                 case "x$X_PRE_LIBS" in #(vi
2838                 *-lICE*)
2839                         case "x$LIBS" in #(vi
2840                         *-lICE*) #(vi
2841                                 ;;
2842                         *)
2843                                 CF_VERBOSE(work around broken package)
2844                                 CF_TRY_PKG_CONFIG(ice,
2845                                         [CF_TRY_PKG_CONFIG(sm)],
2846                                         [CF_ADD_LIB_AFTER(-lXt,$X_PRE_LIBS)])
2847                                 ;;
2848                         esac
2849                         ;;
2850                 esac
2851         fi
2852
2853         cf_have_X_LIBS=yes
2854 ],[
2855
2856         LDFLAGS="$X_LIBS $LDFLAGS"
2857         CF_CHECK_CFLAGS($X_CFLAGS)
2858
2859         AC_CHECK_FUNC(XOpenDisplay,,[
2860         AC_CHECK_LIB(X11,XOpenDisplay,
2861                 [CF_ADD_LIB(X11)],,
2862                 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
2863
2864         AC_CHECK_FUNC(XtAppInitialize,,[
2865         AC_CHECK_LIB(Xt, XtAppInitialize,
2866                 [AC_DEFINE(HAVE_LIBXT)
2867                  cf_have_X_LIBS=Xt
2868                  LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
2869                 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
2870 ])
2871
2872 if test $cf_have_X_LIBS = no ; then
2873         AC_MSG_WARN(
2874 [Unable to successfully link X Toolkit library (-lXt) with
2875 test program.  You will have to check and add the proper libraries by hand
2876 to makefile.])
2877 fi
2878 ])dnl
2879 dnl ---------------------------------------------------------------------------
2880 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
2881 dnl ---------------
2882 dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
2883 dnl are both available.
2884 define([CF__CURSES_HEAD],[
2885 #ifdef HAVE_XCURSES
2886 #include <xcurses.h>
2887 char * XCursesProgramName = "test";
2888 #else
2889 #include <${cf_cv_ncurses_header:-curses.h}>
2890 #if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
2891 #include <ncursesw/term.h>
2892 #elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
2893 #include <ncurses/term.h>
2894 #elif defined(HAVE_TERM_H)
2895 #include <term.h>
2896 #endif
2897 #endif
2898 ])