ncurses 5.9 - patch 20111030
[ncurses.git] / test / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 2003-2010,2011 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                                                                          *
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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 1.70 2011/10/30 23:26:32 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_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
44 dnl ------------------
45 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl
47 dnl $1 = version to compare against
48 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
49 dnl $3 = code to use if AC_ACVERSION is older than $1.
50 define(CF_ACVERSION_CHECK,
51 [
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl                      MAJOR2, MINOR2, TERNARY2,
62 dnl                      PRINTABLE2, not FOUND, FOUND)
63 define(CF_ACVERSION_COMPARE,
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
69 dnl -------------
70 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
71 dnl The second parameter if given makes this macro verbose.
72 dnl
73 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
74 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
75 dnl confused by the quotes (which require backslashes to keep them usable).
76 AC_DEFUN([CF_ADD_CFLAGS],
77 [
78 cf_fix_cppflags=no
79 cf_new_cflags=
80 cf_new_cppflags=
81 cf_new_extra_cppflags=
82
83 for cf_add_cflags in $1
84 do
85 case $cf_fix_cppflags in
86 no)
87         case $cf_add_cflags in #(vi
88         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
89                 case $cf_add_cflags in
90                 -D*)
91                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
92
93                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
94                                 && test -z "${cf_tst_cflags}" \
95                                 && cf_fix_cppflags=yes
96
97                         if test $cf_fix_cppflags = yes ; then
98                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
99                                 continue
100                         elif test "${cf_tst_cflags}" = "\"'" ; then
101                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
102                                 continue
103                         fi
104                         ;;
105                 esac
106                 case "$CPPFLAGS" in
107                 *$cf_add_cflags) #(vi
108                         ;;
109                 *) #(vi
110                         case $cf_add_cflags in #(vi
111                         -D*)
112                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
113                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
114                                 ;;
115                         esac
116                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
117                         ;;
118                 esac
119                 ;;
120         *)
121                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
122                 ;;
123         esac
124         ;;
125 yes)
126         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
127
128         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
129
130         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
131                 && test -z "${cf_tst_cflags}" \
132                 && cf_fix_cppflags=no
133         ;;
134 esac
135 done
136
137 if test -n "$cf_new_cflags" ; then
138         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
139         CFLAGS="$CFLAGS $cf_new_cflags"
140 fi
141
142 if test -n "$cf_new_cppflags" ; then
143         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
144         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
145 fi
146
147 if test -n "$cf_new_extra_cppflags" ; then
148         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
149         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
150 fi
151
152 AC_SUBST(EXTRA_CPPFLAGS)
153
154 ])dnl
155 dnl ---------------------------------------------------------------------------
156 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
157 dnl -------------
158 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
159 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
160 dnl but old versions (and some misinstalled ones) need that.  To make things
161 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
162 dnl the include-path).
163 AC_DEFUN([CF_ADD_INCDIR],
164 [
165 if test -n "$1" ; then
166   for cf_add_incdir in $1
167   do
168         while test $cf_add_incdir != /usr/include
169         do
170           if test -d $cf_add_incdir
171           then
172                 cf_have_incdir=no
173                 if test -n "$CFLAGS$CPPFLAGS" ; then
174                   # a loop is needed to ensure we can add subdirs of existing dirs
175                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
176                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
177                           cf_have_incdir=yes; break
178                         fi
179                   done
180                 fi
181
182                 if test "$cf_have_incdir" = no ; then
183                   if test "$cf_add_incdir" = /usr/local/include ; then
184                         if test "$GCC" = yes
185                         then
186                           cf_save_CPPFLAGS=$CPPFLAGS
187                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
188                           AC_TRY_COMPILE([#include <stdio.h>],
189                                   [printf("Hello")],
190                                   [],
191                                   [cf_have_incdir=yes])
192                           CPPFLAGS=$cf_save_CPPFLAGS
193                         fi
194                   fi
195                 fi
196
197                 if test "$cf_have_incdir" = no ; then
198                   CF_VERBOSE(adding $cf_add_incdir to include-path)
199                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
200
201                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
202                   test "$cf_top_incdir" = "$cf_add_incdir" && break
203                   cf_add_incdir="$cf_top_incdir"
204                 else
205                   break
206                 fi
207           fi
208         done
209   done
210 fi
211 ])dnl
212 dnl ---------------------------------------------------------------------------
213 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
214 dnl ----------
215 dnl Add a library, used to enforce consistency.
216 dnl
217 dnl $1 = library to add, without the "-l"
218 dnl $2 = variable to update (default $LIBS)
219 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
220 dnl ---------------------------------------------------------------------------
221 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
222 dnl -------------
223 dnl     Adds to the library-path
224 dnl
225 dnl     Some machines have trouble with multiple -L options.
226 dnl
227 dnl $1 is the (list of) directory(s) to add
228 dnl $2 is the optional name of the variable to update (default LDFLAGS)
229 dnl
230 AC_DEFUN([CF_ADD_LIBDIR],
231 [
232 if test -n "$1" ; then
233   for cf_add_libdir in $1
234   do
235     if test $cf_add_libdir = /usr/lib ; then
236       :
237     elif test -d $cf_add_libdir
238     then
239       cf_have_libdir=no
240       if test -n "$LDFLAGS$LIBS" ; then
241         # a loop is needed to ensure we can add subdirs of existing dirs
242         for cf_test_libdir in $LDFLAGS $LIBS ; do
243           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
244             cf_have_libdir=yes; break
245           fi
246         done
247       fi
248       if test "$cf_have_libdir" = no ; then
249         CF_VERBOSE(adding $cf_add_libdir to library-path)
250         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
251       fi
252     fi
253   done
254 fi
255 ])dnl
256 dnl ---------------------------------------------------------------------------
257 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
258 dnl -----------
259 dnl Add one or more libraries, used to enforce consistency.
260 dnl
261 dnl $1 = libraries to add, with the "-l", etc.
262 dnl $2 = variable to update (default $LIBS)
263 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
264 dnl ---------------------------------------------------------------------------
265 dnl CF_ADD_LIB_AFTER version: 2 updated: 2010/11/08 20:33:46
266 dnl ----------------
267 dnl Add a given library after another, e.g., following the one it satisfies a
268 dnl dependency for.
269 dnl
270 dnl $1 = the first library
271 dnl $2 = its dependency
272 AC_DEFUN([CF_ADD_LIB_AFTER],[
273 CF_VERBOSE(...before $LIBS)
274 LIBS=`echo "$LIBS" | sed -e "s/[[       ]][[    ]]*/ /g" -e "s,$1 ,$1 $2 ," -e 's/  / /g'`
275 CF_VERBOSE(...after  $LIBS)
276 ])dnl
277 dnl ---------------------------------------------------------------------------
278 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
279 dnl ------------------
280 dnl Append to a search-list for a nonstandard header/lib-file
281 dnl     $1 = the variable to return as result
282 dnl     $2 = the package name
283 dnl     $3 = the subdirectory, e.g., bin, include or lib
284 dnl $4 = the directory under which we will test for subdirectories
285 dnl $5 = a directory that we do not want $4 to match
286 AC_DEFUN([CF_ADD_SUBDIR_PATH],
287 [
288 test "$4" != "$5" && \
289 test -d "$4" && \
290 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
291         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
292         test -d $4/$3 &&          $1="[$]$1 $4/$3"
293         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
294         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
295         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
296         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
297 }
298 ])dnl
299 dnl ---------------------------------------------------------------------------
300 dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
301 dnl ----------------
302 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
303 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
304 AC_DEFUN([CF_ANSI_CC_CHECK],
305 [
306 # This should have been defined by AC_PROG_CC
307 : ${CC:=cc}
308
309 # Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
310 # into CC.  This will not help with broken scripts that wrap the compiler with
311 # options, but eliminates a more common category of user confusion.
312 AC_MSG_CHECKING(\$CC variable)
313 case "$CC" in #(vi
314 *[[\ \  ]]-[[IUD]]*)
315         AC_MSG_RESULT(broken)
316         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
317         # humor him...
318         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
319         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
320         CF_ADD_CFLAGS($cf_flags)
321         ;;
322 *)
323         AC_MSG_RESULT(ok)
324         ;;
325 esac
326
327 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
328 cf_cv_ansi_cc=no
329 cf_save_CFLAGS="$CFLAGS"
330 cf_save_CPPFLAGS="$CPPFLAGS"
331 # Don't try gcc -ansi; that turns off useful extensions and
332 # breaks some systems' header files.
333 # AIX                   -qlanglvl=ansi
334 # Ultrix and OSF/1      -std1
335 # HP-UX                 -Aa -D_HPUX_SOURCE
336 # SVR4                  -Xc
337 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
338 for cf_arg in "-DCC_HAS_PROTOS" \
339         "" \
340         -qlanglvl=ansi \
341         -std1 \
342         -Ae \
343         "-Aa -D_HPUX_SOURCE" \
344         -Xc
345 do
346         CF_ADD_CFLAGS($cf_arg)
347         AC_TRY_COMPILE(
348 [
349 #ifndef CC_HAS_PROTOS
350 #if !defined(__STDC__) || (__STDC__ != 1)
351 choke me
352 #endif
353 #endif
354 ],[
355         int test (int i, double x);
356         struct s1 {int (*f) (int a);};
357         struct s2 {int (*f) (double a);};],
358         [cf_cv_ansi_cc="$cf_arg"; break])
359 done
360 CFLAGS="$cf_save_CFLAGS"
361 CPPFLAGS="$cf_save_CPPFLAGS"
362 ])
363
364 if test "$cf_cv_ansi_cc" != "no"; then
365 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
366         CF_ADD_CFLAGS($cf_cv_ansi_cc)
367 else
368         AC_DEFINE(CC_HAS_PROTOS)
369 fi
370 fi
371 ])dnl
372 dnl ---------------------------------------------------------------------------
373 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
374 dnl ---------------
375 dnl For programs that must use an ANSI compiler, obtain compiler options that
376 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
377 dnl macros, since tools such as unproto can fake prototypes, but only part of
378 dnl the preprocessor.
379 AC_DEFUN([CF_ANSI_CC_REQD],
380 [AC_REQUIRE([CF_ANSI_CC_CHECK])
381 if test "$cf_cv_ansi_cc" = "no"; then
382         AC_MSG_ERROR(
383 [Your compiler does not appear to recognize prototypes.
384 You have the following choices:
385         a. adjust your compiler options
386         b. get an up-to-date compiler
387         c. use a wrapper such as unproto])
388 fi
389 ])dnl
390 dnl ---------------------------------------------------------------------------
391 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
392 dnl --------------
393 dnl Allow user to disable a normally-on option.
394 AC_DEFUN([CF_ARG_DISABLE],
395 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
396 dnl ---------------------------------------------------------------------------
397 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
398 dnl -------------
399 dnl Allow user to enable a normally-off option.
400 AC_DEFUN([CF_ARG_ENABLE],
401 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
402 dnl ---------------------------------------------------------------------------
403 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
404 dnl -------------
405 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
406 dnl values.
407 dnl
408 dnl Parameters:
409 dnl $1 = option name
410 dnl $2 = help-string
411 dnl $3 = action to perform if option is not default
412 dnl $4 = action if perform if option is default
413 dnl $5 = default option value (either 'yes' or 'no')
414 AC_DEFUN([CF_ARG_OPTION],
415 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
416   if test "$enableval" != "$5" ; then
417 ifelse([$3],,[    :]dnl
418 ,[    $3]) ifelse([$4],,,[
419   else
420     $4])
421   fi],[enableval=$5 ifelse([$4],,,[
422   $4
423 ])dnl
424   ])])dnl
425 dnl ---------------------------------------------------------------------------
426 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
427 dnl --------------
428 dnl Check if we're accidentally using a cache from a different machine.
429 dnl Derive the system name, as a check for reusing the autoconf cache.
430 dnl
431 dnl If we've packaged config.guess and config.sub, run that (since it does a
432 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
433 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
434 dnl which is useful in cross-compiles.
435 dnl
436 dnl Note: we would use $ac_config_sub, but that is one of the places where
437 dnl autoconf 2.5x broke compatibility with autoconf 2.13
438 AC_DEFUN([CF_CHECK_CACHE],
439 [
440 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
441         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
442         system_name="$host_os"
443 else
444         system_name="`(uname -s -r) 2>/dev/null`"
445         if test -z "$system_name" ; then
446                 system_name="`(hostname) 2>/dev/null`"
447         fi
448 fi
449 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
450 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
451
452 test -z "$system_name" && system_name="$cf_cv_system_name"
453 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
454
455 if test ".$system_name" != ".$cf_cv_system_name" ; then
456         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
457         AC_MSG_ERROR("Please remove config.cache and try again.")
458 fi
459 ])dnl
460 dnl ---------------------------------------------------------------------------
461 dnl CF_CHECK_CFLAGS version: 2 updated: 2001/12/30 19:09:58
462 dnl ---------------
463 dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
464 dnl a build-configuration such as imake.  These have the pitfall that they
465 dnl often contain compiler-specific options which we cannot use, mixed with
466 dnl preprocessor options that we usually can.
467 AC_DEFUN([CF_CHECK_CFLAGS],
468 [
469 CF_VERBOSE(checking additions to CFLAGS)
470 cf_check_cflags="$CFLAGS"
471 cf_check_cppflags="$CPPFLAGS"
472 CF_ADD_CFLAGS($1,yes)
473 if test "$cf_check_cflags" != "$CFLAGS" ; then
474 AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
475         [CF_VERBOSE(test-compile failed.  Undoing change to \$CFLAGS)
476          if test "$cf_check_cppflags" != "$CPPFLAGS" ; then
477                  CF_VERBOSE(but keeping change to \$CPPFLAGS)
478          fi
479          CFLAGS="$cf_check_flags"])
480 fi
481 ])dnl
482 dnl ---------------------------------------------------------------------------
483 dnl CF_CURSES_ACS_MAP version: 6 updated: 2010/10/23 15:54:49
484 dnl -----------------
485 dnl Check for likely values of acs_map[]:
486 AC_DEFUN([CF_CURSES_ACS_MAP],
487 [
488 AC_REQUIRE([CF_NCURSES_WRAP_PREFIX])dnl
489 AC_CACHE_CHECK(for alternate character set array, cf_cv_curses_acs_map,[
490 cf_cv_curses_acs_map=unknown
491 for name in acs_map _acs_map __acs_map ${NCURSES_WRAP_PREFIX}acs_map
492 do
493 AC_TRY_LINK([
494 #include <${cf_cv_ncurses_header:-curses.h}>
495 ],[
496 $name['k'] = ACS_PLUS
497 ],[cf_cv_curses_acs_map=$name; break])
498 done
499 ])
500
501 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map)
502 ])
503 dnl ---------------------------------------------------------------------------
504 dnl CF_CURSES_CHECK_DATA version: 4 updated: 2011/01/15 16:39:24
505 dnl --------------------
506 dnl Check if curses.h defines the given data/variable.
507 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
508 AC_DEFUN([CF_CURSES_CHECK_DATA],
509 [
510 AC_MSG_CHECKING(for data $1 declaration in ${cf_cv_ncurses_header:-curses.h})
511
512 AC_TRY_COMPILE(CF__CURSES_HEAD,[
513 void *foo = &($1)
514 ],cf_result=yes,cf_result=no)
515 AC_MSG_RESULT($cf_result)
516
517 if test $cf_result = yes ; then
518         CF_UPPER(cf_result,have_curses_data_$1)
519         AC_DEFINE_UNQUOTED($cf_result)
520 else
521         AC_MSG_CHECKING(for data $1 in library)
522         # BSD linkers insist on making weak linkage, but resolve at runtime.
523         AC_TRY_RUN(CF__CURSES_HEAD
524 [
525 extern char $1;
526 int main(void)
527 {
528         void *foo = &($1);
529         ${cf_cv_main_return:-return}(foo == 0);
530 }],[cf_result=yes],[cf_result=no],[
531         # cross-compiling
532         AC_TRY_LINK(CF__CURSES_HEAD
533 [extern char $1;],[
534         do {
535                 void *foo = &($1);
536                 ${cf_cv_main_return:-return}(foo == 0);
537         } while (0)
538 ],[cf_result=yes],[cf_result=no])
539 ])
540         AC_MSG_RESULT($cf_result)
541         if test $cf_result = yes ; then
542                 CF_UPPER(cf_result,decl_curses_data_$1)
543                 AC_DEFINE_UNQUOTED($cf_result)
544         fi
545 fi
546 ])dnl
547 dnl ---------------------------------------------------------------------------
548 dnl CF_CURSES_CHECK_TYPE version: 3 updated: 2010/10/23 15:54:49
549 dnl --------------------
550 dnl Check if curses.h defines the given type
551 AC_DEFUN([CF_CURSES_CHECK_TYPE],
552 [
553 AC_MSG_CHECKING(for type $1 in ${cf_cv_ncurses_header:-curses.h})
554 AC_TRY_COMPILE([
555 #ifndef _XOPEN_SOURCE_EXTENDED
556 #define _XOPEN_SOURCE_EXTENDED
557 #endif
558 #include <${cf_cv_ncurses_header:-curses.h}>],[
559 $1 foo
560 ],cf_result=yes,cf_result=no)
561 AC_MSG_RESULT($cf_result)
562 if test $cf_result = yes ; then
563         CF_UPPER(cf_result,have_type_$1)
564         AC_DEFINE_UNQUOTED($cf_result)
565 else
566         AC_DEFINE_UNQUOTED($1,$2)
567 fi
568 ])dnl
569 dnl ---------------------------------------------------------------------------
570 dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
571 dnl ----------------
572 dnl Tie together the configure-script macros for curses.  It may be ncurses,
573 dnl but unless asked, we do not make a special search for ncurses.  However,
574 dnl still check for the ncurses version number, for use in other macros.
575 AC_DEFUN([CF_CURSES_CONFIG],
576 [
577 CF_CURSES_CPPFLAGS
578 CF_NCURSES_VERSION
579 CF_CURSES_LIBS
580 ])dnl
581 dnl ---------------------------------------------------------------------------
582 dnl CF_CURSES_CPPFLAGS version: 11 updated: 2011/04/09 14:51:08
583 dnl ------------------
584 dnl Look for the curses headers.
585 AC_DEFUN([CF_CURSES_CPPFLAGS],[
586
587 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
588 cf_cv_curses_incdir=no
589 case $host_os in #(vi
590 hpux10.*) #(vi
591         if test "x$cf_cv_screen" = "xcurses_colr"
592         then
593                 test -d /usr/include/curses_colr && \
594                 cf_cv_curses_incdir="-I/usr/include/curses_colr"
595         fi
596         ;;
597 sunos3*|sunos4*)
598         if test "x$cf_cv_screen" = "xcurses_5lib"
599         then
600                 test -d /usr/5lib && \
601                 test -d /usr/5include && \
602                 cf_cv_curses_incdir="-I/usr/5include"
603         fi
604         ;;
605 esac
606 ])
607 test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir"
608
609 CF_CURSES_HEADER
610 CF_TERM_HEADER
611 ])dnl
612 dnl ---------------------------------------------------------------------------
613 dnl CF_CURSES_FUNCS version: 17 updated: 2011/05/14 16:07:29
614 dnl ---------------
615 dnl Curses-functions are a little complicated, since a lot of them are macros.
616 AC_DEFUN([CF_CURSES_FUNCS],
617 [
618 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
619 AC_REQUIRE([CF_XOPEN_CURSES])
620 AC_REQUIRE([CF_CURSES_TERM_H])
621 AC_REQUIRE([CF_CURSES_UNCTRL_H])
622 for cf_func in $1
623 do
624         CF_UPPER(cf_tr_func,$cf_func)
625         AC_MSG_CHECKING(for ${cf_func})
626         CF_MSG_LOG(${cf_func})
627         AC_CACHE_VAL(cf_cv_func_$cf_func,[
628                 eval cf_result='$ac_cv_func_'$cf_func
629                 if test ".$cf_result" != ".no"; then
630                         AC_TRY_LINK(CF__CURSES_HEAD,
631                         [
632 #ifndef ${cf_func}
633 long foo = (long)(&${cf_func});
634 if (foo + 1234 > 5678)
635         ${cf_cv_main_return:-return}(foo);
636 #endif
637                         ],
638                         [cf_result=yes],
639                         [cf_result=no])
640                 fi
641                 eval 'cf_cv_func_'$cf_func'=$cf_result'
642         ])
643         # use the computed/retrieved cache-value:
644         eval 'cf_result=$cf_cv_func_'$cf_func
645         AC_MSG_RESULT($cf_result)
646         if test $cf_result != no; then
647                 AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
648         fi
649 done
650 ])dnl
651 dnl ---------------------------------------------------------------------------
652 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
653 dnl ----------------
654 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
655 dnl variations of ncurses' installs.
656 dnl
657 dnl $1 = ncurses when looking for ncurses, or is empty
658 AC_DEFUN([CF_CURSES_HEADER],[
659 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
660 cf_cv_ncurses_header=none
661 for cf_header in ifelse($1,,,[ \
662     $1/ncurses.h \
663         $1/curses.h]) \
664         ncurses.h \
665         curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
666 do
667 AC_TRY_COMPILE([#include <${cf_header}>],
668         [initscr(); tgoto("?", 0,0)],
669         [cf_cv_ncurses_header=$cf_header; break],[])
670 done
671 ])
672
673 if test "$cf_cv_ncurses_header" = none ; then
674         AC_MSG_ERROR(No curses header-files found)
675 fi
676
677 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
678 AC_CHECK_HEADERS($cf_cv_ncurses_header)
679 ])dnl
680 dnl ---------------------------------------------------------------------------
681 dnl CF_CURSES_LIBS version: 35 updated: 2011/08/09 21:06:37
682 dnl --------------
683 dnl Look for the curses libraries.  Older curses implementations may require
684 dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
685 AC_DEFUN([CF_CURSES_LIBS],[
686
687 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
688 AC_MSG_CHECKING(if we have identified curses libraries)
689 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
690     [initscr(); tgoto("?", 0,0)],
691     cf_result=yes,
692     cf_result=no)
693 AC_MSG_RESULT($cf_result)
694
695 if test "$cf_result" = no ; then
696 case $host_os in #(vi
697 freebsd*) #(vi
698     AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
699     ;;
700 hpux10.*) #(vi
701         # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr
702         # next (1998), and xcurses "newer" (2000).  There is no header file for
703         # Hcurses; the subdirectory curses_colr has the headers (curses.h and
704         # term.h) for cur_colr
705         if test "x$cf_cv_screen" = "xcurses_colr"
706         then
707                 AC_CHECK_LIB(cur_colr,initscr,[
708                         CF_ADD_LIBS(-lcur_colr)
709                         ac_cv_func_initscr=yes
710                         ],[
711                 AC_CHECK_LIB(Hcurses,initscr,[
712                         # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
713                         CF_ADD_LIBS(-lHcurses)
714                         CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
715                         ac_cv_func_initscr=yes
716                         ])])
717         fi
718     ;;
719 linux*)
720         case `arch 2>/dev/null` in
721         x86_64)
722                 if test -d /lib64
723                 then
724                         CF_ADD_LIBDIR(/lib64)
725                 else
726                         CF_ADD_LIBDIR(/lib)
727                 fi
728                 ;;
729         *)
730                 CF_ADD_LIBDIR(/lib)
731                 ;;
732         esac
733     ;;
734 sunos3*|sunos4*)
735         if test "x$cf_cv_screen" = "xcurses_5lib"
736         then
737                 if test -d /usr/5lib ; then
738                         CF_ADD_LIBDIR(/usr/5lib)
739                         CF_ADD_LIBS(-lcurses -ltermcap)
740                 fi
741     fi
742     ac_cv_func_initscr=yes
743     ;;
744 esac
745
746 if test ".$ac_cv_func_initscr" != .yes ; then
747     cf_save_LIBS="$LIBS"
748     cf_term_lib=""
749     cf_curs_lib=""
750
751     if test ".${cf_cv_ncurses_version:-no}" != .no
752     then
753         cf_check_list="ncurses curses cursesX"
754     else
755         cf_check_list="cursesX curses ncurses"
756     fi
757
758     # Check for library containing tgoto.  Do this before curses library
759     # because it may be needed to link the test-case for initscr.
760     AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
761         for cf_term_lib in $cf_check_list otermcap termcap termlib unknown
762         do
763             AC_CHECK_LIB($cf_term_lib,tgoto,[break])
764         done
765     ])
766
767     # Check for library containing initscr
768     test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
769         for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
770     do
771         AC_CHECK_LIB($cf_curs_lib,initscr,[break])
772     done
773     test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
774
775     LIBS="-l$cf_curs_lib $cf_save_LIBS"
776     if test "$cf_term_lib" = unknown ; then
777         AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
778         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
779             [initscr()],
780             [cf_result=yes],
781             [cf_result=no])
782         AC_MSG_RESULT($cf_result)
783         test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
784     elif test "$cf_curs_lib" = "$cf_term_lib" ; then
785         :
786     elif test "$cf_term_lib" != predefined ; then
787         AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
788         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
789             [initscr(); tgoto((char *)0, 0, 0);],
790             [cf_result=no],
791             [
792             LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
793             AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
794                 [initscr()],
795                 [cf_result=yes],
796                 [cf_result=error])
797             ])
798         AC_MSG_RESULT($cf_result)
799     fi
800 fi
801 fi
802
803 ])dnl
804 dnl ---------------------------------------------------------------------------
805 dnl CF_CURSES_TERM_H version: 9 updated: 2011/04/09 18:19:55
806 dnl ----------------
807 dnl SVr4 curses should have term.h as well (where it puts the definitions of
808 dnl the low-level interface).  This may not be true in old/broken implementations,
809 dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
810 dnl running with Solaris 2.5.1).
811 AC_DEFUN([CF_CURSES_TERM_H],
812 [
813 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
814
815 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
816
817 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
818 # for <term.h> if we do not find the variant.
819
820 cf_header_list="term.h ncurses/term.h ncursesw/term.h"
821
822 case ${cf_cv_ncurses_header:-curses.h} in #(vi
823 */*)
824         cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
825         cf_header_list="$cf_header_item $cf_header_list"
826         ;;
827 esac
828
829 for cf_header in $cf_header_list
830 do
831         AC_TRY_COMPILE([
832 #include <${cf_cv_ncurses_header:-curses.h}>
833 #include <${cf_header}>],
834         [WINDOW *x],
835         [cf_cv_term_header=$cf_header
836          break],
837         [cf_cv_term_header=no])
838 done
839
840 case $cf_cv_term_header in #(vi
841 no)
842         # If curses is ncurses, some packagers still mess it up by trying to make
843         # us use GNU termcap.  This handles the most common case.
844         for cf_header in ncurses/term.h ncursesw/term.h
845         do
846                 AC_TRY_COMPILE([
847 #include <${cf_cv_ncurses_header:-curses.h}>
848 #ifdef NCURSES_VERSION
849 #include <${cf_header}>
850 #else
851 make an error
852 #endif],
853                         [WINDOW *x],
854                         [cf_cv_term_header=$cf_header
855                          break],
856                         [cf_cv_term_header=no])
857         done
858         ;;
859 esac
860 ])
861
862 case $cf_cv_term_header in #(vi
863 term.h) #(vi
864         AC_DEFINE(HAVE_TERM_H)
865         ;;
866 ncurses/term.h) #(vi
867         AC_DEFINE(HAVE_NCURSES_TERM_H)
868         ;;
869 ncursesw/term.h)
870         AC_DEFINE(HAVE_NCURSESW_TERM_H)
871         ;;
872 esac
873 ])dnl
874 dnl ---------------------------------------------------------------------------
875 dnl CF_CURSES_UNCTRL_H version: 1 updated: 2011/04/09 18:19:55
876 dnl ------------------
877 dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages
878 dnl may put it in a subdirectory (along with ncurses' other headers, of
879 dnl course).  Packages which put the headers in inconsistent locations are
880 dnl broken).
881 AC_DEFUN([CF_CURSES_UNCTRL_H],
882 [
883 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
884
885 AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[
886
887 # If we found <ncurses/curses.h>, look for <ncurses/unctrl.h>, but always look
888 # for <unctrl.h> if we do not find the variant.
889
890 cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h"
891
892 case ${cf_cv_ncurses_header:-curses.h} in #(vi
893 */*)
894         cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
895         cf_header_list="$cf_header_item $cf_header_list"
896         ;;
897 esac
898
899 for cf_header in $cf_header_list
900 do
901         AC_TRY_COMPILE([
902 #include <${cf_cv_ncurses_header:-curses.h}>
903 #include <${cf_header}>],
904         [WINDOW *x],
905         [cf_cv_unctrl_header=$cf_header
906          break],
907         [cf_cv_unctrl_header=no])
908 done
909
910 case $cf_cv_unctrl_header in #(vi
911 no)
912         AC_MSG_WARN(unctrl.h header not found)
913         ;;
914 esac
915 ])
916
917 case $cf_cv_unctrl_header in #(vi
918 unctrl.h) #(vi
919         AC_DEFINE(HAVE_UNCTRL_H)
920         ;;
921 ncurses/unctrl.h) #(vi
922         AC_DEFINE(HAVE_NCURSES_UNCTRL_H)
923         ;;
924 ncursesw/unctrl.h)
925         AC_DEFINE(HAVE_NCURSESW_UNCTRL_H)
926         ;;
927 esac
928 ])dnl
929 dnl ---------------------------------------------------------------------------
930 dnl CF_CURSES_WACS_MAP version: 5 updated: 2011/01/15 11:28:59
931 dnl ------------------
932 dnl Check for likely values of wacs_map[].
933 AC_DEFUN([CF_CURSES_WACS_MAP],
934 [
935 AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
936         cf_cv_curses_wacs_map=unknown
937         for name in wacs_map _wacs_map __wacs_map _nc_wacs _wacs_char
938         do
939         AC_TRY_LINK([
940 #ifndef _XOPEN_SOURCE_EXTENDED
941 #define _XOPEN_SOURCE_EXTENDED
942 #endif
943 #include <${cf_cv_ncurses_header:-curses.h}>],
944         [void *foo = &($name['k'])],
945         [cf_cv_curses_wacs_map=$name
946          break])
947         done])
948
949 test "$cf_cv_curses_wacs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_WACS_ARRAY,$cf_cv_curses_wacs_map)
950 ])dnl
951 dnl ---------------------------------------------------------------------------
952 dnl CF_CURSES_WACS_SYMBOLS version: 1 updated: 2011/01/15 11:28:59
953 dnl ----------------------
954 dnl Do a check to see if the WACS_xxx constants are defined compatibly with
955 dnl X/Open Curses.  In particular, NetBSD's implementation of the WACS_xxx
956 dnl constants is broken since those constants do not point to cchar_t's.
957 AC_DEFUN([CF_CURSES_WACS_SYMBOLS],
958 [
959 AC_REQUIRE([CF_CURSES_WACS_MAP])
960
961 AC_CACHE_CHECK(for wide alternate character constants, cf_cv_curses_wacs_symbols,[
962 cf_cv_curses_wacs_symbols=no
963 if test "$cf_cv_curses_wacs_map" != unknown
964 then
965         AC_TRY_LINK([
966 #ifndef _XOPEN_SOURCE_EXTENDED
967 #define _XOPEN_SOURCE_EXTENDED
968 #endif
969 #include <${cf_cv_ncurses_header:-curses.h}>],
970         [cchar_t *foo = WACS_PLUS;
971          $cf_cv_curses_wacs_map['k'] = *WACS_PLUS],
972         [cf_cv_curses_wacs_symbols=yes])
973 else
974         AC_TRY_LINK([
975 #ifndef _XOPEN_SOURCE_EXTENDED
976 #define _XOPEN_SOURCE_EXTENDED
977 #endif
978 #include <${cf_cv_ncurses_header:-curses.h}>],
979         [cchar_t *foo = WACS_PLUS],
980         [cf_cv_curses_wacs_symbols=yes])
981 fi
982 ])
983
984 test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS)
985 ])dnl
986 dnl ---------------------------------------------------------------------------
987 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
988 dnl ----------
989 dnl "dirname" is not portable, so we fake it with a shell script.
990 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
991 dnl ---------------------------------------------------------------------------
992 dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
993 dnl ---------------
994 dnl You can always use "make -n" to see the actual options, but it's hard to
995 dnl pick out/analyze warning messages when the compile-line is long.
996 dnl
997 dnl Sets:
998 dnl     ECHO_LT - symbol to control if libtool is verbose
999 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1000 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1001 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1002 dnl     ECHO_CC - symbol to put before any "cc" line
1003 dnl
1004 AC_DEFUN([CF_DISABLE_ECHO],[
1005 AC_MSG_CHECKING(if you want to see long compiling messages)
1006 CF_ARG_DISABLE(echo,
1007         [  --disable-echo          display "compiling" commands],
1008         [
1009     ECHO_LT='--silent'
1010     ECHO_LD='@echo linking [$]@;'
1011     RULE_CC='@echo compiling [$]<'
1012     SHOW_CC='@echo compiling [$]@'
1013     ECHO_CC='@'
1014 ],[
1015     ECHO_LT=''
1016     ECHO_LD=''
1017     RULE_CC=''
1018     SHOW_CC=''
1019     ECHO_CC=''
1020 ])
1021 AC_MSG_RESULT($enableval)
1022 AC_SUBST(ECHO_LT)
1023 AC_SUBST(ECHO_LD)
1024 AC_SUBST(RULE_CC)
1025 AC_SUBST(SHOW_CC)
1026 AC_SUBST(ECHO_CC)
1027 ])dnl
1028 dnl ---------------------------------------------------------------------------
1029 dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
1030 dnl ----------------
1031 dnl Combine no-leak checks with the libraries or tools that are used for the
1032 dnl checks.
1033 AC_DEFUN([CF_DISABLE_LEAKS],[
1034
1035 AC_REQUIRE([CF_WITH_DMALLOC])
1036 AC_REQUIRE([CF_WITH_DBMALLOC])
1037 AC_REQUIRE([CF_WITH_VALGRIND])
1038
1039 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1040 AC_ARG_ENABLE(leaks,
1041         [  --disable-leaks         test: free permanent memory, analyze leaks],
1042         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1043         : ${with_no_leaks:=no})
1044 AC_MSG_RESULT($with_no_leaks)
1045
1046 if test "$with_no_leaks" = yes ; then
1047         AC_DEFINE(NO_LEAKS)
1048         AC_DEFINE(YY_NO_LEAKS)
1049 fi
1050 ])dnl
1051 dnl ---------------------------------------------------------------------------
1052 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1053 dnl ---------------------
1054 dnl The rpath-hack makes it simpler to build programs, particularly with the
1055 dnl *BSD ports which may have essential libraries in unusual places.  But it
1056 dnl can interfere with building an executable for the base system.  Use this
1057 dnl option in that case.
1058 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1059 [
1060 AC_MSG_CHECKING(if rpath-hack should be disabled)
1061 CF_ARG_DISABLE(rpath-hack,
1062         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1063         [cf_disable_rpath_hack=yes],
1064         [cf_disable_rpath_hack=no])
1065 AC_MSG_RESULT($cf_disable_rpath_hack)
1066 if test "$cf_disable_rpath_hack" = no ; then
1067         CF_RPATH_HACK
1068 fi
1069 ])
1070 dnl ---------------------------------------------------------------------------
1071 dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03
1072 dnl ------------------
1073 dnl Configure-option to enable gcc warnings
1074 AC_DEFUN([CF_ENABLE_WARNINGS],[
1075 if ( test "$GCC" = yes || test "$GXX" = yes )
1076 then
1077 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1078 CF_ARG_ENABLE(warnings,
1079         [  --enable-warnings       test: turn on gcc compiler warnings],
1080         [with_warnings=yes],
1081         [with_warnings=no])
1082 AC_MSG_RESULT($with_warnings)
1083 if test "$with_warnings" = "yes"
1084 then
1085         CF_GCC_ATTRIBUTES
1086         CF_GCC_WARNINGS
1087 fi
1088 fi
1089 ])dnl
1090 dnl ---------------------------------------------------------------------------
1091 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1092 dnl ---------------
1093 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
1094 dnl prefer a standard location, and use -L options only if we do not find the
1095 dnl library in the standard library location(s).
1096 dnl     $1 = library name
1097 dnl     $2 = library class, usually the same as library name
1098 dnl     $3 = includes
1099 dnl     $4 = code fragment to compile/link
1100 dnl     $5 = corresponding function-name
1101 dnl     $6 = flag, nonnull if failure should not cause an error-exit
1102 dnl
1103 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1104 dnl to use a -L option.
1105 AC_DEFUN([CF_FIND_LIBRARY],
1106 [
1107         eval 'cf_cv_have_lib_'$1'=no'
1108         cf_libdir=""
1109         AC_CHECK_FUNC($5,
1110                 eval 'cf_cv_have_lib_'$1'=yes',[
1111                 cf_save_LIBS="$LIBS"
1112                 AC_MSG_CHECKING(for $5 in -l$1)
1113                 LIBS="-l$1 $LIBS"
1114                 AC_TRY_LINK([$3],[$4],
1115                         [AC_MSG_RESULT(yes)
1116                          eval 'cf_cv_have_lib_'$1'=yes'
1117                         ],
1118                         [AC_MSG_RESULT(no)
1119                         CF_LIBRARY_PATH(cf_search,$2)
1120                         for cf_libdir in $cf_search
1121                         do
1122                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1123                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1124                                 AC_TRY_LINK([$3],[$4],
1125                                         [AC_MSG_RESULT(yes)
1126                                          eval 'cf_cv_have_lib_'$1'=yes'
1127                                          break],
1128                                         [AC_MSG_RESULT(no)
1129                                          LIBS="$cf_save_LIBS"])
1130                         done
1131                         ])
1132                 ])
1133 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1134 ifelse($6,,[
1135 if test $cf_found_library = no ; then
1136         AC_MSG_ERROR(Cannot link $1 library)
1137 fi
1138 ])
1139 ])dnl
1140 dnl ---------------------------------------------------------------------------
1141 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1142 dnl ---------------
1143 dnl Find a library (specifically the linkage used in the code fragment),
1144 dnl searching for it if it is not already in the library path.
1145 dnl See also CF_ADD_SEARCHPATH.
1146 dnl
1147 dnl Parameters (4-on are optional):
1148 dnl     $1 = headers for library entrypoint
1149 dnl     $2 = code fragment for library entrypoint
1150 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1151 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1152 dnl     $5 = action to perform if not successful
1153 dnl     $6 = module name, if not the same as the library name
1154 dnl     $7 = extra libraries
1155 dnl
1156 dnl Sets these variables:
1157 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1158 dnl     $cf_cv_header_path_$3 - include-directory if needed
1159 dnl     $cf_cv_library_path_$3 - library-directory if needed
1160 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1161 AC_DEFUN([CF_FIND_LINKAGE],[
1162
1163 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1164 # will be set on completion of the AC_TRY_LINK below.
1165 cf_cv_header_path_$3=
1166 cf_cv_library_path_$3=
1167
1168 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1169
1170 cf_save_LIBS="$LIBS"
1171
1172 AC_TRY_LINK([$1],[$2],[
1173         cf_cv_find_linkage_$3=yes
1174         cf_cv_header_path_$3=/usr/include
1175         cf_cv_library_path_$3=/usr/lib
1176 ],[
1177
1178 LIBS="-l$3 $7 $cf_save_LIBS"
1179
1180 AC_TRY_LINK([$1],[$2],[
1181         cf_cv_find_linkage_$3=yes
1182         cf_cv_header_path_$3=/usr/include
1183         cf_cv_library_path_$3=/usr/lib
1184         cf_cv_library_file_$3="-l$3"
1185 ],[
1186         cf_cv_find_linkage_$3=no
1187         LIBS="$cf_save_LIBS"
1188
1189     CF_VERBOSE(find linkage for $3 library)
1190     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1191
1192     cf_save_CPPFLAGS="$CPPFLAGS"
1193     cf_test_CPPFLAGS="$CPPFLAGS"
1194
1195     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1196     for cf_cv_header_path_$3 in $cf_search
1197     do
1198       if test -d $cf_cv_header_path_$3 ; then
1199         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1200         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1201         AC_TRY_COMPILE([$1],[$2],[
1202             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1203             cf_cv_find_linkage_$3=maybe
1204             cf_test_CPPFLAGS="$CPPFLAGS"
1205             break],[
1206             CPPFLAGS="$cf_save_CPPFLAGS"
1207             ])
1208       fi
1209     done
1210
1211     if test "$cf_cv_find_linkage_$3" = maybe ; then
1212
1213       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1214
1215       cf_save_LIBS="$LIBS"
1216       cf_save_LDFLAGS="$LDFLAGS"
1217
1218       ifelse([$6],,,[
1219         CPPFLAGS="$cf_test_CPPFLAGS"
1220         LIBS="-l$3 $7 $cf_save_LIBS"
1221         AC_TRY_LINK([$1],[$2],[
1222             CF_VERBOSE(... found $3 library in system)
1223             cf_cv_find_linkage_$3=yes])
1224             CPPFLAGS="$cf_save_CPPFLAGS"
1225             LIBS="$cf_save_LIBS"
1226             ])
1227
1228       if test "$cf_cv_find_linkage_$3" != yes ; then
1229         CF_LIBRARY_PATH(cf_search,$3)
1230         for cf_cv_library_path_$3 in $cf_search
1231         do
1232           if test -d $cf_cv_library_path_$3 ; then
1233             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1234             CPPFLAGS="$cf_test_CPPFLAGS"
1235             LIBS="-l$3 $7 $cf_save_LIBS"
1236             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1237             AC_TRY_LINK([$1],[$2],[
1238                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1239                 cf_cv_find_linkage_$3=yes
1240                 cf_cv_library_file_$3="-l$3"
1241                 break],[
1242                 CPPFLAGS="$cf_save_CPPFLAGS"
1243                 LIBS="$cf_save_LIBS"
1244                 LDFLAGS="$cf_save_LDFLAGS"
1245                 ])
1246           fi
1247         done
1248         CPPFLAGS="$cf_save_CPPFLAGS"
1249         LDFLAGS="$cf_save_LDFLAGS"
1250       fi
1251
1252     else
1253       cf_cv_find_linkage_$3=no
1254     fi
1255     ],$7)
1256 ])
1257
1258 LIBS="$cf_save_LIBS"
1259
1260 if test "$cf_cv_find_linkage_$3" = yes ; then
1261 ifelse([$4],,[
1262         CF_ADD_INCDIR($cf_cv_header_path_$3)
1263         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1264         CF_ADD_LIB($3)
1265 ],[$4])
1266 else
1267 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1268 fi
1269 ])dnl
1270 dnl ---------------------------------------------------------------------------
1271 dnl CF_FUNC_CURSES_VERSION version: 5 updated: 2010/10/23 15:54:49
1272 dnl ----------------------
1273 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
1274 dnl It's a character string "SVR4", not documented.
1275 AC_DEFUN([CF_FUNC_CURSES_VERSION],
1276 [
1277 AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[
1278 AC_TRY_RUN([
1279 #include <${cf_cv_ncurses_header:-curses.h}>
1280 int main()
1281 {
1282         char temp[1024];
1283         sprintf(temp, "%s\n", curses_version());
1284         ${cf_cv_main_return:-return}(0);
1285 }]
1286 ,[cf_cv_func_curses_version=yes]
1287 ,[cf_cv_func_curses_version=no]
1288 ,[cf_cv_func_curses_version=unknown])
1289 rm -f core])
1290 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
1291 ])
1292 dnl ---------------------------------------------------------------------------
1293 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1294 dnl -----------------
1295 dnl Test for availability of useful gcc __attribute__ directives to quiet
1296 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1297 dnl to documentation, unrecognized directives cause older compilers to barf.
1298 AC_DEFUN([CF_GCC_ATTRIBUTES],
1299 [
1300 if test "$GCC" = yes
1301 then
1302 cat > conftest.i <<EOF
1303 #ifndef GCC_PRINTF
1304 #define GCC_PRINTF 0
1305 #endif
1306 #ifndef GCC_SCANF
1307 #define GCC_SCANF 0
1308 #endif
1309 #ifndef GCC_NORETURN
1310 #define GCC_NORETURN /* nothing */
1311 #endif
1312 #ifndef GCC_UNUSED
1313 #define GCC_UNUSED /* nothing */
1314 #endif
1315 EOF
1316 if test "$GCC" = yes
1317 then
1318         AC_CHECKING([for $CC __attribute__ directives])
1319 cat > conftest.$ac_ext <<EOF
1320 #line __oline__ "${as_me:-configure}"
1321 #include "confdefs.h"
1322 #include "conftest.h"
1323 #include "conftest.i"
1324 #if     GCC_PRINTF
1325 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1326 #else
1327 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1328 #endif
1329 #if     GCC_SCANF
1330 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1331 #else
1332 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1333 #endif
1334 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1335 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1336 extern void foo(void) GCC_NORETURN;
1337 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1338 EOF
1339         cf_printf_attribute=no
1340         cf_scanf_attribute=no
1341         for cf_attribute in scanf printf unused noreturn
1342         do
1343                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1344                 cf_directive="__attribute__(($cf_attribute))"
1345                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1346
1347                 case $cf_attribute in #(vi
1348                 printf) #(vi
1349                         cf_printf_attribute=yes
1350                         cat >conftest.h <<EOF
1351 #define GCC_$cf_ATTRIBUTE 1
1352 EOF
1353                         ;;
1354                 scanf) #(vi
1355                         cf_scanf_attribute=yes
1356                         cat >conftest.h <<EOF
1357 #define GCC_$cf_ATTRIBUTE 1
1358 EOF
1359                         ;;
1360                 *) #(vi
1361                         cat >conftest.h <<EOF
1362 #define GCC_$cf_ATTRIBUTE $cf_directive
1363 EOF
1364                         ;;
1365                 esac
1366
1367                 if AC_TRY_EVAL(ac_compile); then
1368                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1369                         cat conftest.h >>confdefs.h
1370                         case $cf_attribute in #(vi
1371                         printf) #(vi
1372                                 if test "$cf_printf_attribute" = no ; then
1373                                         cat >>confdefs.h <<EOF
1374 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1375 EOF
1376                                 else
1377                                         cat >>confdefs.h <<EOF
1378 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1379 EOF
1380                                 fi
1381                                 ;;
1382                         scanf) #(vi
1383                                 if test "$cf_scanf_attribute" = no ; then
1384                                         cat >>confdefs.h <<EOF
1385 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1386 EOF
1387                                 else
1388                                         cat >>confdefs.h <<EOF
1389 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1390 EOF
1391                                 fi
1392                                 ;;
1393                         esac
1394                 fi
1395         done
1396 else
1397         fgrep define conftest.i >>confdefs.h
1398 fi
1399 rm -rf conftest*
1400 fi
1401 ])dnl
1402 dnl ---------------------------------------------------------------------------
1403 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1404 dnl --------------
1405 dnl Find version of gcc
1406 AC_DEFUN([CF_GCC_VERSION],[
1407 AC_REQUIRE([AC_PROG_CC])
1408 GCC_VERSION=none
1409 if test "$GCC" = yes ; then
1410         AC_MSG_CHECKING(version of $CC)
1411         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1412         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1413         AC_MSG_RESULT($GCC_VERSION)
1414 fi
1415 ])dnl
1416 dnl ---------------------------------------------------------------------------
1417 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1418 dnl ---------------
1419 dnl Check if the compiler supports useful warning options.  There's a few that
1420 dnl we don't use, simply because they're too noisy:
1421 dnl
1422 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1423 dnl     -Wredundant-decls (system headers make this too noisy)
1424 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1425 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1426 dnl             is enabled for ncurses using "--enable-const".
1427 dnl     -pedantic
1428 dnl
1429 dnl Parameter:
1430 dnl     $1 is an optional list of gcc warning flags that a particular
1431 dnl             application might want to use, e.g., "no-unused" for
1432 dnl             -Wno-unused
1433 dnl Special:
1434 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1435 dnl
1436 AC_DEFUN([CF_GCC_WARNINGS],
1437 [
1438 AC_REQUIRE([CF_GCC_VERSION])
1439 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1440
1441 cat > conftest.$ac_ext <<EOF
1442 #line __oline__ "${as_me:-configure}"
1443 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1444 EOF
1445
1446 if test "$INTEL_COMPILER" = yes
1447 then
1448 # The "-wdXXX" options suppress warnings:
1449 # remark #1419: external declaration in primary source file
1450 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1451 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1452 # remark #193: zero used for undefined preprocessing identifier
1453 # remark #593: variable "curs_sb_left_arrow" was set but never used
1454 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1455 # remark #869: parameter "tw" was never referenced
1456 # remark #981: operands are evaluated in unspecified order
1457 # warning #279: controlling expression is constant
1458
1459         AC_CHECKING([for $CC warning options])
1460         cf_save_CFLAGS="$CFLAGS"
1461         EXTRA_CFLAGS="-Wall"
1462         for cf_opt in \
1463                 wd1419 \
1464                 wd1683 \
1465                 wd1684 \
1466                 wd193 \
1467                 wd593 \
1468                 wd279 \
1469                 wd810 \
1470                 wd869 \
1471                 wd981
1472         do
1473                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1474                 if AC_TRY_EVAL(ac_compile); then
1475                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1476                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1477                 fi
1478         done
1479         CFLAGS="$cf_save_CFLAGS"
1480
1481 elif test "$GCC" = yes
1482 then
1483         AC_CHECKING([for $CC warning options])
1484         cf_save_CFLAGS="$CFLAGS"
1485         EXTRA_CFLAGS=
1486         cf_warn_CONST=""
1487         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1488         for cf_opt in W Wall \
1489                 Wbad-function-cast \
1490                 Wcast-align \
1491                 Wcast-qual \
1492                 Winline \
1493                 Wmissing-declarations \
1494                 Wmissing-prototypes \
1495                 Wnested-externs \
1496                 Wpointer-arith \
1497                 Wshadow \
1498                 Wstrict-prototypes \
1499                 Wundef $cf_warn_CONST $1
1500         do
1501                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1502                 if AC_TRY_EVAL(ac_compile); then
1503                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1504                         case $cf_opt in #(vi
1505                         Wcast-qual) #(vi
1506                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1507                                 ;;
1508                         Winline) #(vi
1509                                 case $GCC_VERSION in
1510                                 [[34]].*)
1511                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1512                                         continue;;
1513                                 esac
1514                                 ;;
1515                         esac
1516                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1517                 fi
1518         done
1519         CFLAGS="$cf_save_CFLAGS"
1520 fi
1521 rm -rf conftest*
1522
1523 AC_SUBST(EXTRA_CFLAGS)
1524 ])dnl
1525 dnl ---------------------------------------------------------------------------
1526 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
1527 dnl ----------------
1528 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1529 dnl unistd.h or (nonstandard) in getopt.h
1530 AC_DEFUN([CF_GETOPT_HEADER],
1531 [
1532 AC_HAVE_HEADERS(unistd.h getopt.h)
1533 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1534 cf_cv_getopt_header=none
1535 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1536 do
1537 AC_TRY_COMPILE([
1538 #include <$cf_header>],
1539 [int x = optind; char *y = optarg],
1540 [cf_cv_getopt_header=$cf_header
1541  break])
1542 done
1543 ])
1544 if test $cf_cv_getopt_header != none ; then
1545         AC_DEFINE(HAVE_GETOPT_HEADER)
1546 fi
1547 ])dnl
1548 dnl ---------------------------------------------------------------------------
1549 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1550 dnl -------------
1551 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1552 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1553 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1554 dnl since it is interwoven with GNU extensions.
1555 dnl
1556 dnl Well, yes we could work around it...
1557 AC_DEFUN([CF_GNU_SOURCE],
1558 [
1559 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1560 AC_TRY_COMPILE([#include <sys/types.h>],[
1561 #ifndef _XOPEN_SOURCE
1562 make an error
1563 #endif],
1564         [cf_cv_gnu_source=no],
1565         [cf_save="$CPPFLAGS"
1566          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1567          AC_TRY_COMPILE([#include <sys/types.h>],[
1568 #ifdef _XOPEN_SOURCE
1569 make an error
1570 #endif],
1571         [cf_cv_gnu_source=no],
1572         [cf_cv_gnu_source=yes])
1573         CPPFLAGS="$cf_save"
1574         ])
1575 ])
1576 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1577 ])dnl
1578 dnl ---------------------------------------------------------------------------
1579 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1580 dnl --------------
1581 dnl Construct a search-list of directories for a nonstandard header-file
1582 dnl
1583 dnl Parameters
1584 dnl     $1 = the variable to return as result
1585 dnl     $2 = the package name
1586 AC_DEFUN([CF_HEADER_PATH],
1587 [
1588 $1=
1589
1590 # collect the current set of include-directories from compiler flags
1591 cf_header_path_list=""
1592 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1593         for cf_header_path in $CPPFLAGS $CFLAGS
1594         do
1595                 case $cf_header_path in #(vi
1596                 -I*)
1597                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1598                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1599                         cf_header_path_list="$cf_header_path_list [$]$1"
1600                         ;;
1601                 esac
1602         done
1603 fi
1604
1605 # add the variations for the package we are looking for
1606 CF_SUBDIR_PATH($1,$2,include)
1607
1608 test "$includedir" != NONE && \
1609 test "$includedir" != "/usr/include" && \
1610 test -d "$includedir" && {
1611         test -d $includedir &&    $1="[$]$1 $includedir"
1612         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1613 }
1614
1615 test "$oldincludedir" != NONE && \
1616 test "$oldincludedir" != "/usr/include" && \
1617 test -d "$oldincludedir" && {
1618         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1619         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1620 }
1621
1622 $1="[$]$1 $cf_header_path_list"
1623 ])dnl
1624 dnl ---------------------------------------------------------------------------
1625 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
1626 dnl -----------------
1627 dnl If we do not have a given script, look for it in the parent directory.
1628 AC_DEFUN([CF_INHERIT_SCRIPT],
1629 [
1630 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
1631 ])dnl
1632 dnl ---------------------------------------------------------------------------
1633 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
1634 dnl -----------------
1635 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1636 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1637 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1638 dnl
1639 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1640 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1641 dnl the wrappers for gcc and g++ warnings.
1642 dnl
1643 dnl $1 = GCC (default) or GXX
1644 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1645 dnl $3 = CFLAGS (default) or CXXFLAGS
1646 AC_DEFUN([CF_INTEL_COMPILER],[
1647 ifelse([$2],,INTEL_COMPILER,[$2])=no
1648
1649 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1650         case $host_os in
1651         linux*|gnu*)
1652                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1653                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1654                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1655                 AC_TRY_COMPILE([],[
1656 #ifdef __INTEL_COMPILER
1657 #else
1658 make an error
1659 #endif
1660 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1661 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1662 ],[])
1663                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1664                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1665                 ;;
1666         esac
1667 fi
1668 ])dnl
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1671 dnl ---------------
1672 dnl For the given system and compiler, find the compiler flags to pass to the
1673 dnl loader to use the "rpath" feature.
1674 AC_DEFUN([CF_LD_RPATH_OPT],
1675 [
1676 AC_REQUIRE([CF_CHECK_CACHE])
1677
1678 LD_RPATH_OPT=
1679 AC_MSG_CHECKING(for an rpath option)
1680 case $cf_cv_system_name in #(vi
1681 irix*) #(vi
1682         if test "$GCC" = yes; then
1683                 LD_RPATH_OPT="-Wl,-rpath,"
1684         else
1685                 LD_RPATH_OPT="-rpath "
1686         fi
1687         ;;
1688 linux*|gnu*|k*bsd*-gnu) #(vi
1689         LD_RPATH_OPT="-Wl,-rpath,"
1690         ;;
1691 openbsd[[2-9]].*|mirbsd*) #(vi
1692         LD_RPATH_OPT="-Wl,-rpath,"
1693         ;;
1694 dragonfly*|freebsd*) #(vi
1695         LD_RPATH_OPT="-rpath "
1696         ;;
1697 netbsd*) #(vi
1698         LD_RPATH_OPT="-Wl,-rpath,"
1699         ;;
1700 osf*|mls+*) #(vi
1701         LD_RPATH_OPT="-rpath "
1702         ;;
1703 solaris2*) #(vi
1704         LD_RPATH_OPT="-R"
1705         ;;
1706 *)
1707         ;;
1708 esac
1709 AC_MSG_RESULT($LD_RPATH_OPT)
1710
1711 case "x$LD_RPATH_OPT" in #(vi
1712 x-R*)
1713         AC_MSG_CHECKING(if we need a space after rpath option)
1714         cf_save_LIBS="$LIBS"
1715         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1716         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1717         LIBS="$cf_save_LIBS"
1718         AC_MSG_RESULT($cf_rpath_space)
1719         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1720         ;;
1721 esac
1722 ])dnl
1723 dnl ---------------------------------------------------------------------------
1724 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1725 dnl ---------------
1726 dnl Construct a search-list of directories for a nonstandard library-file
1727 dnl
1728 dnl Parameters
1729 dnl     $1 = the variable to return as result
1730 dnl     $2 = the package name
1731 AC_DEFUN([CF_LIBRARY_PATH],
1732 [
1733 $1=
1734 cf_library_path_list=""
1735 if test -n "${LDFLAGS}${LIBS}" ; then
1736         for cf_library_path in $LDFLAGS $LIBS
1737         do
1738                 case $cf_library_path in #(vi
1739                 -L*)
1740                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1741                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1742                         cf_library_path_list="$cf_library_path_list [$]$1"
1743                         ;;
1744                 esac
1745         done
1746 fi
1747
1748 CF_SUBDIR_PATH($1,$2,lib)
1749
1750 $1="$cf_library_path_list [$]$1"
1751 ])dnl
1752 dnl ---------------------------------------------------------------------------
1753 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1754 dnl ------------
1755 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1756 dnl a monocase filesystem.
1757 AC_DEFUN([CF_MAKE_TAGS],[
1758 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1759
1760 AC_CHECK_PROGS(CTAGS, exctags ctags)
1761 AC_CHECK_PROGS(ETAGS, exetags etags)
1762
1763 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1764
1765 if test "$cf_cv_mixedcase" = yes ; then
1766         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1767 else
1768         MAKE_UPPER_TAGS=no
1769 fi
1770
1771 if test "$MAKE_UPPER_TAGS" = yes ; then
1772         MAKE_UPPER_TAGS=
1773 else
1774         MAKE_UPPER_TAGS="#"
1775 fi
1776
1777 if test "$MAKE_LOWER_TAGS" = yes ; then
1778         MAKE_LOWER_TAGS=
1779 else
1780         MAKE_LOWER_TAGS="#"
1781 fi
1782
1783 AC_SUBST(CTAGS)
1784 AC_SUBST(ETAGS)
1785
1786 AC_SUBST(MAKE_UPPER_TAGS)
1787 AC_SUBST(MAKE_LOWER_TAGS)
1788 ])dnl
1789 dnl ---------------------------------------------------------------------------
1790 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
1791 dnl -----------
1792 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
1793 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
1794 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
1795 AC_DEFUN([CF_MATH_LIB],
1796 [
1797 AC_CACHE_CHECK(if -lm needed for math functions,
1798         cf_cv_need_libm,[
1799         AC_TRY_LINK([
1800         #include <stdio.h>
1801         #include <math.h>
1802         ],
1803         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
1804         [cf_cv_need_libm=no],
1805         [cf_cv_need_libm=yes])])
1806 if test "$cf_cv_need_libm" = yes
1807 then
1808 ifelse($1,,[
1809         CF_ADD_LIB(m)
1810 ],[$1=-lm])
1811 fi
1812 ])
1813 dnl ---------------------------------------------------------------------------
1814 dnl CF_MIN_GETCCHAR version: 3 updated: 2010/10/23 15:54:49
1815 dnl ---------------
1816 dnl CF_MIN_GETCCHAR
1817 dnl Check whether getcchar's return value counts the trailing null in a wchar_t
1818 dnl string, or not.  X/Open says it does, but Tru64 and Solaris do not do this.
1819 AC_DEFUN([CF_MIN_GETCCHAR],[
1820 AC_CACHE_CHECK(if getcchar counts trailing null,cf_cv_min_getcchar,[
1821 AC_TRY_RUN([
1822 #include <stdlib.h>
1823 #include <stdarg.h>
1824 #include <${cf_cv_ncurses_header:-curses.h}>
1825
1826 int main()
1827 {
1828         wchar_t data[2];
1829         cchar_t temp[2];
1830         int count;
1831         data[0] = L'\0';
1832     setcchar(temp, data, 0, 0, (void *)0);
1833         count = getcchar(temp, (wchar_t *)0, (attr_t *)0, (short *)0, (void *)0);
1834         ${cf_cv_main_return:-return}(count != 0);
1835 }],
1836         [cf_cv_min_getcchar=no],
1837         [cf_cv_min_getcchar=yes],
1838         [cf_cv_min_getcchar=yes])
1839 ])
1840 if test "$cf_cv_min_getcchar" = yes ; then
1841         AC_DEFINE(MIN_GETCCHAR,1)
1842 fi
1843 ])dnl
1844 dnl ---------------------------------------------------------------------------
1845 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
1846 dnl ----------------------
1847 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1848 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1849 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1850 [
1851 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1852 if test "$cross_compiling" = yes ; then
1853         case $target_alias in #(vi
1854         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
1855                 cf_cv_mixedcase=no
1856                 ;;
1857         *)
1858                 cf_cv_mixedcase=yes
1859                 ;;
1860         esac
1861 else
1862         rm -f conftest CONFTEST
1863         echo test >conftest
1864         if test -f CONFTEST ; then
1865                 cf_cv_mixedcase=no
1866         else
1867                 cf_cv_mixedcase=yes
1868         fi
1869         rm -f conftest CONFTEST
1870 fi
1871 ])
1872 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
1873 ])dnl
1874 dnl ---------------------------------------------------------------------------
1875 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
1876 dnl ----------
1877 dnl Write a debug message to config.log, along with the line number in the
1878 dnl configure script.
1879 AC_DEFUN([CF_MSG_LOG],[
1880 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
1881 ])dnl
1882 dnl ---------------------------------------------------------------------------
1883 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
1884 dnl -------------------
1885 dnl Check if we can compile with ncurses' header file
1886 dnl $1 is the cache variable to set
1887 dnl $2 is the header-file to include
1888 dnl $3 is the root name (ncurses or ncursesw)
1889 AC_DEFUN([CF_NCURSES_CC_CHECK],[
1890         AC_TRY_COMPILE([
1891 ]ifelse($3,ncursesw,[
1892 #define _XOPEN_SOURCE_EXTENDED
1893 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
1894 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
1895 ])[
1896 #include <$2>],[
1897 #ifdef NCURSES_VERSION
1898 ]ifelse($3,ncursesw,[
1899 #ifndef WACS_BSSB
1900         make an error
1901 #endif
1902 ])[
1903 printf("%s\n", NCURSES_VERSION);
1904 #else
1905 #ifdef __NCURSES_H
1906 printf("old\n");
1907 #else
1908         make an error
1909 #endif
1910 #endif
1911         ]
1912         ,[$1=$2]
1913         ,[$1=no])
1914 ])dnl
1915 dnl ---------------------------------------------------------------------------
1916 dnl CF_NCURSES_CONFIG version: 8 updated: 2010/07/08 05:17:30
1917 dnl -----------------
1918 dnl Tie together the configure-script macros for ncurses.
1919 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
1920 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
1921 dnl
1922 dnl $1 is the root library name (default: "ncurses")
1923 AC_DEFUN([CF_NCURSES_CONFIG],
1924 [
1925 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
1926
1927 echo "Looking for ${cf_ncuconfig_root}-config"
1928 AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
1929
1930 if test "$NCURSES_CONFIG" != none ; then
1931
1932 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
1933 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
1934
1935 # even with config script, some packages use no-override for curses.h
1936 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
1937
1938 dnl like CF_NCURSES_CPPFLAGS
1939 AC_DEFINE(NCURSES)
1940
1941 dnl like CF_NCURSES_LIBS
1942 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
1943 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
1944
1945 dnl like CF_NCURSES_VERSION
1946 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
1947
1948 else
1949
1950 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
1951 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
1952
1953 fi
1954 ])dnl
1955 dnl ---------------------------------------------------------------------------
1956 dnl CF_NCURSES_CPPFLAGS version: 20 updated: 2010/11/20 17:02:38
1957 dnl -------------------
1958 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
1959 dnl the CPPFLAGS variable so we can include its header.
1960 dnl
1961 dnl The header files may be installed as either curses.h, or ncurses.h (would
1962 dnl be obsolete, except that some packagers prefer this name to distinguish it
1963 dnl from a "native" curses implementation).  If not installed for overwrite,
1964 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
1965 dnl /usr/include/ncurses), but someone may have installed overwriting the
1966 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
1967 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
1968 dnl the header.
1969 dnl
1970 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
1971 dnl is already in the include-path, don't even bother with this, since we cannot
1972 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
1973 dnl
1974 dnl The optional parameter gives the root name of the library, in case it is
1975 dnl not installed as the default curses library.  That is how the
1976 dnl wide-character version of ncurses is installed.
1977 AC_DEFUN([CF_NCURSES_CPPFLAGS],
1978 [AC_REQUIRE([CF_WITH_CURSES_DIR])
1979
1980 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
1981 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
1982
1983 test -n "$cf_cv_curses_dir" && \
1984 test "$cf_cv_curses_dir" != "no" && { \
1985   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
1986 }
1987
1988 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
1989         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
1990         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
1991         for cf_header in $cf_header_list
1992         do
1993                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
1994                 test "$cf_cv_ncurses_h" != no && break
1995         done
1996 ])
1997
1998 CF_NCURSES_HEADER
1999 CF_TERM_HEADER
2000
2001 # some applications need this, but should check for NCURSES_VERSION
2002 AC_DEFINE(NCURSES)
2003
2004 CF_NCURSES_VERSION
2005 ])dnl
2006 dnl ---------------------------------------------------------------------------
2007 dnl CF_NCURSES_EXT_FUNCS version: 3 updated: 2010/11/13 19:43:23
2008 dnl --------------------
2009 dnl Since 2007/11/17, ncurses has defined NCURSES_EXT_FUNCS; earlier versions
2010 dnl may provide these functions.  Define the symbol if it is not defined, and
2011 dnl if it is valid.
2012 AC_DEFUN([CF_NCURSES_EXT_FUNCS],
2013 [
2014 AC_CACHE_CHECK(for ncurses extended functions,cf_cv_ncurses_ext_funcs,[
2015 AC_TRY_COMPILE([
2016 #include <${cf_cv_ncurses_header:-curses.h}>],
2017 [
2018 int x = NCURSES_EXT_FUNCS
2019 ],[cf_cv_ncurses_ext_funcs=defined],[
2020 AC_TRY_LINK([
2021 #include <${cf_cv_ncurses_header:-curses.h}>],
2022 [
2023         (void) assume_default_colors (0, 0);
2024         (void) curses_version ();
2025         (void) define_key (0, 0);
2026         (void) is_term_resized (0, 0);
2027         (void) key_defined (0);
2028         (void) keybound (0, 0);
2029         (void) keyok (0, 0);
2030         (void) resize_term (0, 0);
2031         (void) resizeterm (0, 0);
2032         (void) use_default_colors ();
2033         (void) use_extended_names (0);
2034         (void) wresize (0, 0, 0);],
2035         [cf_cv_ncurses_ext_funcs=yes],
2036         [cf_cv_ncurses_ext_funcs=no])
2037 ])
2038 ])
2039 test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS)
2040 ])dnl
2041 dnl ---------------------------------------------------------------------------
2042 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
2043 dnl -----------------
2044 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2045 dnl variations of ncurses' installs.
2046 dnl
2047 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2048 AC_DEFUN([CF_NCURSES_HEADER],[
2049
2050 if test "$cf_cv_ncurses_h" != no ; then
2051         cf_cv_ncurses_header=$cf_cv_ncurses_h
2052 else
2053
2054 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2055         test -n "$verbose" && echo
2056         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2057         test -n "$verbose" && echo search path $cf_search
2058         cf_save2_CPPFLAGS="$CPPFLAGS"
2059         for cf_incdir in $cf_search
2060         do
2061                 CF_ADD_INCDIR($cf_incdir)
2062                 for cf_header in \
2063                         ncurses.h \
2064                         curses.h
2065                 do
2066                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2067                         if test "$cf_cv_ncurses_h2" != no ; then
2068                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2069                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2070                                 break
2071                         fi
2072                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2073                 done
2074                 CPPFLAGS="$cf_save2_CPPFLAGS"
2075                 test "$cf_cv_ncurses_h2" != no && break
2076         done
2077         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2078         ])
2079
2080         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2081         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2082         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2083                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2084         fi
2085         CF_ADD_INCDIR($cf_1st_incdir)
2086
2087 fi
2088
2089 # Set definitions to allow ifdef'ing for ncurses.h
2090
2091 case $cf_cv_ncurses_header in # (vi
2092 *ncurses.h)
2093         AC_DEFINE(HAVE_NCURSES_H)
2094         ;;
2095 esac
2096
2097 case $cf_cv_ncurses_header in # (vi
2098 ncurses/curses.h|ncurses/ncurses.h)
2099         AC_DEFINE(HAVE_NCURSES_NCURSES_H)
2100         ;;
2101 ncursesw/curses.h|ncursesw/ncurses.h)
2102         AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
2103         ;;
2104 esac
2105
2106 ])dnl
2107 dnl ---------------------------------------------------------------------------
2108 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2109 dnl ---------------
2110 dnl Look for the ncurses library.  This is a little complicated on Linux,
2111 dnl because it may be linked with the gpm (general purpose mouse) library.
2112 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2113 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2114 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2115 dnl and the linker will record a dependency.
2116 dnl
2117 dnl The optional parameter gives the root name of the library, in case it is
2118 dnl not installed as the default curses library.  That is how the
2119 dnl wide-character version of ncurses is installed.
2120 AC_DEFUN([CF_NCURSES_LIBS],
2121 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2122
2123 cf_nculib_root=ifelse($1,,ncurses,$1)
2124         # This works, except for the special case where we find gpm, but
2125         # ncurses is in a nonstandard location via $LIBS, and we really want
2126         # to link gpm.
2127 cf_ncurses_LIBS=""
2128 cf_ncurses_SAVE="$LIBS"
2129 AC_CHECK_LIB(gpm,Gpm_Open,
2130         [AC_CHECK_LIB(gpm,initscr,
2131                 [LIBS="$cf_ncurses_SAVE"],
2132                 [cf_ncurses_LIBS="-lgpm"])])
2133
2134 case $host_os in #(vi
2135 freebsd*)
2136         # This is only necessary if you are linking against an obsolete
2137         # version of ncurses (but it should do no harm, since it's static).
2138         if test "$cf_nculib_root" = ncurses ; then
2139                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2140         fi
2141         ;;
2142 esac
2143
2144 CF_ADD_LIBS($cf_ncurses_LIBS)
2145
2146 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2147 then
2148         CF_ADD_LIBS(-l$cf_nculib_root)
2149 else
2150         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2151                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2152                 [initscr()],
2153                 initscr)
2154 fi
2155
2156 if test -n "$cf_ncurses_LIBS" ; then
2157         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2158         cf_ncurses_SAVE="$LIBS"
2159         for p in $cf_ncurses_LIBS ; do
2160                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2161                 if test "$q" != "$LIBS" ; then
2162                         LIBS="$q"
2163                 fi
2164         done
2165         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2166                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2167                 [AC_MSG_RESULT(yes)],
2168                 [AC_MSG_RESULT(no)
2169                  LIBS="$cf_ncurses_SAVE"])
2170 fi
2171
2172 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2173 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2174 ])dnl
2175 dnl ---------------------------------------------------------------------------
2176 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
2177 dnl ------------------
2178 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2179 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2180 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2181 AC_DEFUN([CF_NCURSES_VERSION],
2182 [
2183 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2184 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2185         cf_cv_ncurses_version=no
2186         cf_tempfile=out$$
2187         rm -f $cf_tempfile
2188         AC_TRY_RUN([
2189 #include <${cf_cv_ncurses_header:-curses.h}>
2190 #include <stdio.h>
2191 int main()
2192 {
2193         FILE *fp = fopen("$cf_tempfile", "w");
2194 #ifdef NCURSES_VERSION
2195 # ifdef NCURSES_VERSION_PATCH
2196         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2197 # else
2198         fprintf(fp, "%s\n", NCURSES_VERSION);
2199 # endif
2200 #else
2201 # ifdef __NCURSES_H
2202         fprintf(fp, "old\n");
2203 # else
2204         make an error
2205 # endif
2206 #endif
2207         ${cf_cv_main_return:-return}(0);
2208 }],[
2209         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2210
2211         # This will not work if the preprocessor splits the line after the
2212         # Autoconf token.  The 'unproto' program does that.
2213         cat > conftest.$ac_ext <<EOF
2214 #include <${cf_cv_ncurses_header:-curses.h}>
2215 #undef Autoconf
2216 #ifdef NCURSES_VERSION
2217 Autoconf NCURSES_VERSION
2218 #else
2219 #ifdef __NCURSES_H
2220 Autoconf "old"
2221 #endif
2222 ;
2223 #endif
2224 EOF
2225         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2226         AC_TRY_EVAL(cf_try)
2227         if test -f conftest.out ; then
2228                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2229                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2230                 rm -f conftest.out
2231         fi
2232 ])
2233         rm -f $cf_tempfile
2234 ])
2235 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
2236 ])dnl
2237 dnl ---------------------------------------------------------------------------
2238 dnl CF_NCURSES_WRAP_PREFIX version: 1 updated: 2009/03/28 16:08:10
2239 dnl ----------------------
2240 dnl Check for ncurses "wrap-prefix" used for public variables which have been
2241 dnl wrapped with a function to help with concurrency control.
2242 AC_DEFUN([CF_NCURSES_WRAP_PREFIX],
2243 [
2244 AC_MSG_CHECKING(for ncurses wrap-prefix)
2245 AC_ARG_WITH(ncurses-wrap-prefix,
2246         [  --with-ncurses-wrap-prefix naming-prefix for ncurses wrapped-variables],
2247         [NCURSES_WRAP_PREFIX=$withval],
2248         [NCURSES_WRAP_PREFIX=_nc_])
2249 AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
2250
2251 AC_SUBST(NCURSES_WRAP_PREFIX)
2252 ])
2253 dnl ---------------------------------------------------------------------------
2254 dnl CF_NETBSD_FORM_H version: 1 updated: 2011/01/15 14:59:18
2255 dnl ----------------
2256 dnl Check for NetBSD's form.h, which is incompatible with SVr4 and ncurses.
2257 dnl Some workarounds are needed in client programs to allow them to compile.
2258 AC_DEFUN([CF_NETBSD_FORM_H],[
2259 AC_CACHE_CHECK(for NetBSD form.h,cf_cv_netbsd_form_h,[
2260 AC_TRY_COMPILE([
2261 #include <${cf_cv_ncurses_header:-curses.h}>
2262 #include <form.h>
2263 ],[
2264         FORM *form;
2265         int y = current_field(form)->cursor_ypos;
2266         int x = current_field(form)->cursor_xpos;
2267 ],[cf_cv_netbsd_form_h=yes
2268 ],[cf_cv_netbsd_form_h=no])
2269 ])
2270
2271 test "$cf_cv_netbsd_form_h" = yes && AC_DEFINE(HAVE_NETBSD_FORM_H)
2272 ])dnl
2273 dnl ---------------------------------------------------------------------------
2274 dnl CF_NETBSD_MENU_H version: 1 updated: 2011/01/15 14:59:18
2275 dnl ----------------
2276 dnl Check for NetBSD's menu.h, which is incompatible with SVr4 and ncurses.
2277 dnl Some workarounds are needed in client programs to allow them to compile.
2278 AC_DEFUN([CF_NETBSD_MENU_H],[
2279 AC_CACHE_CHECK(for NetBSD menu.h,cf_cv_netbsd_menu_h,[
2280 AC_TRY_COMPILE([
2281 #include <${cf_cv_ncurses_header:-curses.h}>
2282 #include <menu.h>
2283 ],[
2284         MENU *menu;
2285         int y = menu->max_item_width;
2286 ],[cf_cv_netbsd_menu_h=yes
2287 ],[cf_cv_netbsd_menu_h=no])
2288 ])
2289
2290 test "$cf_cv_netbsd_menu_h" = yes && AC_DEFINE(HAVE_NETBSD_MENU_H)
2291 ])dnl
2292 dnl ---------------------------------------------------------------------------
2293 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
2294 dnl ------------------
2295 dnl see CF_WITH_NO_LEAKS
2296 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2297 AC_MSG_CHECKING(if you want to use $1 for testing)
2298 AC_ARG_WITH($1,
2299         [$2],
2300         [AC_DEFINE($3)ifelse([$4],,[
2301          $4
2302 ])
2303         : ${with_cflags:=-g}
2304         : ${with_no_leaks:=yes}
2305          with_$1=yes],
2306         [with_$1=])
2307 AC_MSG_RESULT(${with_$1:-no})
2308
2309 case .$with_cflags in #(vi
2310 .*-g*)
2311         case .$CFLAGS in #(vi
2312         .*-g*) #(vi
2313                 ;;
2314         *)
2315                 CF_ADD_CFLAGS([-g])
2316                 ;;
2317         esac
2318         ;;
2319 esac
2320 ])dnl
2321 dnl ---------------------------------------------------------------------------
2322 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
2323 dnl --------------
2324 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2325 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2326 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2327 dnl delayed evaluation of those symbols.
2328 AC_DEFUN([CF_PATH_SYNTAX],[
2329 if test "x$prefix" != xNONE; then
2330   cf_path_syntax="$prefix"
2331 else
2332   cf_path_syntax="$ac_default_prefix"
2333 fi
2334
2335 case ".[$]$1" in #(vi
2336 .\[$]\(*\)*|.\'*\'*) #(vi
2337   ;;
2338 ..|./*|.\\*) #(vi
2339   ;;
2340 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2341   ;;
2342 .\[$]{*prefix}*) #(vi
2343   eval $1="[$]$1"
2344   case ".[$]$1" in #(vi
2345   .NONE/*)
2346     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2347     ;;
2348   esac
2349   ;; #(vi
2350 .no|.NONE/*)
2351   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2352   ;;
2353 *)
2354   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2355   ;;
2356 esac
2357 ])dnl
2358 dnl ---------------------------------------------------------------------------
2359 dnl CF_PDCURSES_X11 version: 11 updated: 2011/01/15 18:45:38
2360 dnl ---------------
2361 dnl Configure for PDCurses' X11 library
2362 AC_DEFUN([CF_PDCURSES_X11],[
2363 AC_REQUIRE([CF_X_ATHENA])
2364
2365 AC_PATH_PROGS(XCURSES_CONFIG,xcurses-config,none)
2366
2367 if test "$XCURSES_CONFIG" != none ; then
2368
2369 CPPFLAGS="$CPPFLAGS `$XCURSES_CONFIG --cflags`"
2370 CF_ADD_LIBS(`$XCURSES_CONFIG --libs`)
2371
2372 cf_cv_lib_XCurses=yes
2373
2374 else
2375
2376 LDFLAGS="$LDFLAGS $X_LIBS"
2377 CF_CHECK_CFLAGS($X_CFLAGS)
2378 AC_CHECK_LIB(X11,XOpenDisplay,
2379         [CF_ADD_LIBS(-lX11)],,
2380         [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
2381 AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[
2382 CF_ADD_LIBS(-lXCurses)
2383 AC_TRY_LINK([
2384 #include <xcurses.h>
2385 char *XCursesProgramName = "test";
2386 ],[XCursesExit();],
2387 [cf_cv_lib_XCurses=yes],
2388 [cf_cv_lib_XCurses=no])
2389 ])
2390
2391 fi
2392
2393 if test $cf_cv_lib_XCurses = yes ; then
2394         AC_DEFINE(UNIX)
2395         AC_DEFINE(XCURSES)
2396         AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES))
2397 else
2398         AC_MSG_ERROR(Cannot link with XCurses)
2399 fi
2400 ])dnl
2401 dnl ---------------------------------------------------------------------------
2402 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2403 dnl -------------
2404 dnl Check for the package-config program, unless disabled by command-line.
2405 AC_DEFUN([CF_PKG_CONFIG],
2406 [
2407 AC_MSG_CHECKING(if you want to use pkg-config)
2408 AC_ARG_WITH(pkg-config,
2409         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2410         [cf_pkg_config=$withval],
2411         [cf_pkg_config=yes])
2412 AC_MSG_RESULT($cf_pkg_config)
2413
2414 case $cf_pkg_config in #(vi
2415 no) #(vi
2416         PKG_CONFIG=none
2417         ;;
2418 yes) #(vi
2419         CF_ACVERSION_CHECK(2.52,
2420                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2421                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2422         ;;
2423 *)
2424         PKG_CONFIG=$withval
2425         ;;
2426 esac
2427
2428 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2429 if test "$PKG_CONFIG" != none ; then
2430         CF_PATH_SYNTAX(PKG_CONFIG)
2431 fi
2432
2433 AC_SUBST(PKG_CONFIG)
2434 ])dnl
2435 dnl ---------------------------------------------------------------------------
2436 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2437 dnl -----------------
2438 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2439 dnl
2440 dnl     POSIX.1-1990                            _POSIX_SOURCE
2441 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2442 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2443 dnl             Bindings Option
2444 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2445 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2446 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2447 dnl
2448 dnl Parameters:
2449 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2450 AC_DEFUN([CF_POSIX_C_SOURCE],
2451 [
2452 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2453
2454 cf_save_CFLAGS="$CFLAGS"
2455 cf_save_CPPFLAGS="$CPPFLAGS"
2456
2457 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2458 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2459
2460 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2461         CF_MSG_LOG(if the symbol is already defined go no further)
2462         AC_TRY_COMPILE([#include <sys/types.h>],[
2463 #ifndef _POSIX_C_SOURCE
2464 make an error
2465 #endif],
2466         [cf_cv_posix_c_source=no],
2467         [cf_want_posix_source=no
2468          case .$cf_POSIX_C_SOURCE in #(vi
2469          .[[12]]??*) #(vi
2470                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2471                 ;;
2472          .2) #(vi
2473                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2474                 cf_want_posix_source=yes
2475                 ;;
2476          .*)
2477                 cf_want_posix_source=yes
2478                 ;;
2479          esac
2480          if test "$cf_want_posix_source" = yes ; then
2481                 AC_TRY_COMPILE([#include <sys/types.h>],[
2482 #ifdef _POSIX_SOURCE
2483 make an error
2484 #endif],[],
2485                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2486          fi
2487          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2488          CFLAGS="$cf_trim_CFLAGS"
2489          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2490          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2491          AC_TRY_COMPILE([#include <sys/types.h>],[
2492 #ifndef _POSIX_C_SOURCE
2493 make an error
2494 #endif],,
2495          [cf_cv_posix_c_source=no])
2496          CFLAGS="$cf_save_CFLAGS"
2497          CPPFLAGS="$cf_save_CPPFLAGS"
2498         ])
2499 ])
2500
2501 if test "$cf_cv_posix_c_source" != no ; then
2502         CFLAGS="$cf_trim_CFLAGS"
2503         CPPFLAGS="$cf_trim_CPPFLAGS"
2504         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2505 fi
2506
2507 ])dnl
2508 dnl ---------------------------------------------------------------------------
2509 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
2510 dnl ------------
2511 dnl Append definitions and rules for the given programs to the subdirectory
2512 dnl Makefiles, and the recursion rule for the top-level Makefile.
2513 dnl
2514 dnl parameters
2515 dnl     $1 = script to run
2516 dnl     $2 = list of subdirectories
2517 dnl
2518 dnl variables
2519 dnl     $AWK
2520 AC_DEFUN([CF_PRG_RULES],
2521 [
2522 for cf_dir in $2
2523 do
2524         if test ! -d $srcdir/$cf_dir; then
2525                 continue
2526         elif test -f $srcdir/$cf_dir/programs; then
2527                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
2528         fi
2529 done
2530
2531 ])dnl
2532 dnl ---------------------------------------------------------------------------
2533 dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
2534 dnl --------------
2535 dnl Check if C (preprocessor) -U and -D options are processed in the order
2536 dnl given rather than by type of option.  Some compilers insist on apply all
2537 dnl of the -U options after all of the -D options.  Others allow mixing them,
2538 dnl and may predefine symbols that conflict with those we define.
2539 AC_DEFUN([CF_PROG_CC_U_D],
2540 [
2541 AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
2542         cf_save_CPPFLAGS="$CPPFLAGS"
2543         CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
2544         AC_TRY_COMPILE([],[
2545 #ifndef U_D_OPTIONS
2546 make an undefined-error
2547 #endif
2548 #ifdef  D_U_OPTIONS
2549 make a defined-error
2550 #endif
2551         ],[
2552         cf_cv_cc_u_d_options=yes],[
2553         cf_cv_cc_u_d_options=no])
2554         CPPFLAGS="$cf_save_CPPFLAGS"
2555 ])
2556 ])dnl
2557 dnl ---------------------------------------------------------------------------
2558 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
2559 dnl ---------------
2560 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
2561 dnl misc/tabset install won't work properly.  Usually this happens only when
2562 dnl using the fallback mkinstalldirs script
2563 AC_DEFUN([CF_PROG_INSTALL],
2564 [AC_PROG_INSTALL
2565 case $INSTALL in
2566 /*)
2567   ;;
2568 *)
2569   CF_DIRNAME(cf_dir,$INSTALL)
2570   test -z "$cf_dir" && cf_dir=.
2571   INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
2572   ;;
2573 esac
2574 ])dnl
2575 dnl ---------------------------------------------------------------------------
2576 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
2577 dnl ------------
2578 AC_DEFUN([CF_PROG_LINT],
2579 [
2580 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
2581 AC_SUBST(LINT_OPTS)
2582 ])dnl
2583 dnl ---------------------------------------------------------------------------
2584 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2585 dnl ----------------
2586 dnl Remove all -U and -D options that refer to the given symbol from a list
2587 dnl of C compiler options.  This works around the problem that not all
2588 dnl compilers process -U and -D options from left-to-right, so a -U option
2589 dnl cannot be used to cancel the effect of a preceding -D option.
2590 dnl
2591 dnl $1 = target (which could be the same as the source variable)
2592 dnl $2 = source (including '$')
2593 dnl $3 = symbol to remove
2594 define([CF_REMOVE_DEFINE],
2595 [
2596 $1=`echo "$2" | \
2597         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2598                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2599 ])dnl
2600 dnl ---------------------------------------------------------------------------
2601 dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
2602 dnl -------------
2603 AC_DEFUN([CF_RPATH_HACK],
2604 [
2605 AC_REQUIRE([CF_LD_RPATH_OPT])
2606 AC_MSG_CHECKING(for updated LDFLAGS)
2607 if test -n "$LD_RPATH_OPT" ; then
2608         AC_MSG_RESULT(maybe)
2609
2610         AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
2611         cf_rpath_list="/usr/lib /lib"
2612         if test "$cf_ldd_prog" != no
2613         then
2614                 cf_rpath_oops=
2615
2616 AC_TRY_LINK([#include <stdio.h>],
2617                 [printf("Hello");],
2618                 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
2619                  cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
2620
2621                 # If we passed the link-test, but get a "not found" on a given library,
2622                 # this could be due to inept reconfiguration of gcc to make it only
2623                 # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
2624                 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
2625                 # /usr/local libraries.
2626                 if test -n "$cf_rpath_oops"
2627                 then
2628                         for cf_rpath_src in $cf_rpath_oops
2629                         do
2630                                 for cf_rpath_dir in \
2631                                         /usr/local \
2632                                         /usr/pkg \
2633                                         /opt/sfw
2634                                 do
2635                                         if test -f $cf_rpath_dir/lib/$cf_rpath_src
2636                                         then
2637                                                 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
2638                                                 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
2639                                                 break
2640                                         fi
2641                                 done
2642                         done
2643                 fi
2644         fi
2645
2646         CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
2647
2648         CF_RPATH_HACK_2(LDFLAGS)
2649         CF_RPATH_HACK_2(LIBS)
2650
2651         CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
2652 fi
2653 AC_SUBST(EXTRA_LDFLAGS)
2654 ])dnl
2655 dnl ---------------------------------------------------------------------------
2656 dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
2657 dnl ---------------
2658 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
2659 dnl EXTRA_LDFLAGS for each -L option found.
2660 dnl
2661 dnl $cf_rpath_list contains a list of directories to ignore.
2662 dnl
2663 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
2664 dnl      but LIBS often has misplaced -L options.
2665 AC_DEFUN([CF_RPATH_HACK_2],
2666 [
2667 CF_VERBOSE(...checking $1 [$]$1)
2668
2669 cf_rpath_dst=
2670 for cf_rpath_src in [$]$1
2671 do
2672         case $cf_rpath_src in #(vi
2673         -L*) #(vi
2674
2675                 # check if this refers to a directory which we will ignore
2676                 cf_rpath_skip=no
2677                 if test -n "$cf_rpath_list"
2678                 then
2679                         for cf_rpath_item in $cf_rpath_list
2680                         do
2681                                 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
2682                                 then
2683                                         cf_rpath_skip=yes
2684                                         break
2685                                 fi
2686                         done
2687                 fi
2688
2689                 if test "$cf_rpath_skip" = no
2690                 then
2691                         # transform the option
2692                         if test "$LD_RPATH_OPT" = "-R " ; then
2693                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
2694                         else
2695                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
2696                         fi
2697
2698                         # if we have not already added this, add it now
2699                         cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
2700                         if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
2701                         then
2702                                 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
2703                                 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
2704                         fi
2705                 fi
2706                 ;;
2707         esac
2708         cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
2709 done
2710 $1=$cf_rpath_dst
2711
2712 CF_VERBOSE(...checked $1 [$]$1)
2713 AC_SUBST(EXTRA_LDFLAGS)
2714 ])dnl
2715 dnl ---------------------------------------------------------------------------
2716 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
2717 dnl ---------------
2718 dnl signal handler, but there are some gcc depedencies in that recommendation.
2719 dnl Try anyway.
2720 AC_DEFUN([CF_SIG_ATOMIC_T],
2721 [
2722 AC_MSG_CHECKING(for signal global datatype)
2723 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
2724         for cf_type in \
2725                 "volatile sig_atomic_t" \
2726                 "sig_atomic_t" \
2727                 "int"
2728         do
2729         AC_TRY_COMPILE([
2730 #include <sys/types.h>
2731 #include <signal.h>
2732 #include <stdio.h>
2733
2734 extern $cf_type x;
2735 $cf_type x;
2736 static void handler(int sig)
2737 {
2738         x = 5;
2739 }],
2740                 [signal(SIGINT, handler);
2741                  x = 1],
2742                 [cf_cv_sig_atomic_t=$cf_type],
2743                 [cf_cv_sig_atomic_t=no])
2744                 test "$cf_cv_sig_atomic_t" != no && break
2745         done
2746         ])
2747 AC_MSG_RESULT($cf_cv_sig_atomic_t)
2748 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
2749 ])dnl
2750 dnl ---------------------------------------------------------------------------
2751 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
2752 dnl --------------
2753 dnl Construct a search-list for a nonstandard header/lib-file
2754 dnl     $1 = the variable to return as result
2755 dnl     $2 = the package name
2756 dnl     $3 = the subdirectory, e.g., bin, include or lib
2757 AC_DEFUN([CF_SUBDIR_PATH],
2758 [
2759 $1=
2760
2761 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
2762 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
2763 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
2764 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
2765 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
2766 ])dnl
2767 dnl ---------------------------------------------------------------------------
2768 dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
2769 dnl ------------------
2770 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
2771 dnl older SCO configurations.
2772 AC_DEFUN([CF_SYS_TIME_SELECT],
2773 [
2774 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
2775 AC_CACHE_VAL(cf_cv_sys_time_select,[
2776 AC_TRY_COMPILE([
2777 #include <sys/types.h>
2778 #ifdef HAVE_SYS_TIME_H
2779 #include <sys/time.h>
2780 #endif
2781 #ifdef HAVE_SYS_SELECT_H
2782 #include <sys/select.h>
2783 #endif
2784 ],[],[cf_cv_sys_time_select=yes],
2785      [cf_cv_sys_time_select=no])
2786      ])
2787 AC_MSG_RESULT($cf_cv_sys_time_select)
2788 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
2789 ])dnl
2790 dnl ---------------------------------------------------------------------------
2791 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
2792 dnl --------------
2793 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
2794 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
2795 dnl but some packagers change this, breaking various applications.
2796 AC_DEFUN([CF_TERM_HEADER],[
2797 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
2798 case ${cf_cv_ncurses_header} in #(vi
2799 */ncurses.h|*/ncursesw.h) #(vi
2800         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
2801         ;;
2802 *)
2803         cf_term_header=term.h
2804         ;;
2805 esac
2806
2807 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
2808 do
2809 AC_TRY_COMPILE([#include <stdio.h>
2810 #include <${cf_cv_ncurses_header:-curses.h}>
2811 #include <$cf_test>
2812 ],[int x = auto_left_margin],[
2813         cf_cv_term_header="$cf_test"],[
2814         cf_cv_term_header=unknown
2815         ])
2816         test "$cf_cv_term_header" != unknown && break
2817 done
2818 ])
2819
2820 # Set definitions to allow ifdef'ing to accommodate subdirectories
2821
2822 case $cf_cv_term_header in # (vi
2823 *term.h)
2824         AC_DEFINE(HAVE_TERM_H)
2825         ;;
2826 esac
2827
2828 case $cf_cv_term_header in # (vi
2829 ncurses/term.h) #(vi
2830         AC_DEFINE(HAVE_NCURSES_TERM_H)
2831         ;;
2832 ncursesw/term.h)
2833         AC_DEFINE(HAVE_NCURSESW_TERM_H)
2834         ;;
2835 esac
2836 ])dnl
2837 dnl ---------------------------------------------------------------------------
2838 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
2839 dnl ---------------
2840 dnl Define a top_builddir symbol, for applications that need an absolute path.
2841 AC_DEFUN([CF_TOP_BUILDDIR],
2842 [
2843 top_builddir=`pwd`
2844 AC_SUBST(top_builddir)
2845 ])dnl
2846 dnl ---------------------------------------------------------------------------
2847 dnl CF_TPUTS_PROTO version: 2 updated: 2011/04/23 19:25:50
2848 dnl --------------
2849 dnl Check for type of function-pointer passed to tputs.  Some old
2850 dnl implementations used functions that had different prototypes, making it
2851 dnl hard to compile portable programs using tputs.
2852 AC_DEFUN([CF_TPUTS_PROTO],[
2853 CF_CURSES_FUNCS(tputs)
2854 if test x$cf_cv_func_tputs = xyes
2855 then
2856         cf_done=no
2857         for cf_arg in int char
2858         do
2859                 for cf_ret in int void
2860                 do
2861                         if test $cf_ret = void
2862                         then
2863                                 cf_return="/* nothing */"
2864                         else
2865                                 cf_return="return value"
2866                         fi
2867                         AC_TRY_COMPILE([
2868 #include <${cf_cv_ncurses_header:-curses.h}>
2869 #include <$cf_cv_term_header>
2870
2871 static $cf_ret outc($cf_arg value) { $cf_return; }
2872 ],[
2873         tputs("hello", 0, outc); 
2874         ${cf_cv_main_return:-return}(0);
2875 ],[
2876                 CF_VERBOSE([prototype $cf_ret func($cf_arg value)])
2877                 cat >>confdefs.h <<EOF
2878 #define TPUTS_ARG               $cf_arg
2879 #define TPUTS_PROTO(func,value) $cf_ret func(TPUTS_ARG value)
2880 #define TPUTS_RETURN(value)     $cf_return
2881 EOF
2882                 cf_done=yes
2883                 break
2884 ])
2885                 done
2886                 test $cf_done = yes && break
2887         done
2888 fi
2889 ])dnl
2890 dnl ---------------------------------------------------------------------------
2891 dnl CF_TRY_PKG_CONFIG version: 4 updated: 2010/06/14 17:42:30
2892 dnl -----------------
2893 dnl This is a simple wrapper to use for pkg-config, for libraries which may be
2894 dnl available in that form.
2895 dnl
2896 dnl $1 = package name
2897 dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
2898 dnl $3 = logic to use if pkg-config does not have the package
2899 AC_DEFUN([CF_TRY_PKG_CONFIG],[
2900 AC_REQUIRE([CF_PKG_CONFIG])
2901
2902 if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
2903         CF_VERBOSE(found package $1)
2904         cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
2905         cf_pkgconfig_libs="`$PKG_CONFIG --libs   $1 2>/dev/null`"
2906         CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
2907         CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
2908         CF_ADD_CFLAGS($cf_pkgconfig_incs)
2909         CF_ADD_LIBS($cf_pkgconfig_libs)
2910         ifelse([$2],,:,[$2])
2911 else
2912         ifelse([$3],,:,[$3])
2913 fi
2914 ])
2915 dnl ---------------------------------------------------------------------------
2916 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
2917 dnl -------------------
2918 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
2919 dnl can define it successfully.
2920 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
2921 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
2922         AC_TRY_COMPILE([
2923 #include <stdlib.h>
2924 #include <string.h>
2925 #include <sys/types.h>
2926 ],[
2927 #ifndef _XOPEN_SOURCE
2928 make an error
2929 #endif],
2930         [cf_cv_xopen_source=no],
2931         [cf_save="$CPPFLAGS"
2932          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
2933          AC_TRY_COMPILE([
2934 #include <stdlib.h>
2935 #include <string.h>
2936 #include <sys/types.h>
2937 ],[
2938 #ifdef _XOPEN_SOURCE
2939 make an error
2940 #endif],
2941         [cf_cv_xopen_source=no],
2942         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
2943         CPPFLAGS="$cf_save"
2944         ])
2945 ])
2946
2947 if test "$cf_cv_xopen_source" != no ; then
2948         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
2949         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
2950         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
2951         CF_ADD_CFLAGS($cf_temp_xopen_source)
2952 fi
2953 ])
2954 dnl ---------------------------------------------------------------------------
2955 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
2956 dnl --------
2957 dnl Make an uppercase version of a variable
2958 dnl $1=uppercase($2)
2959 AC_DEFUN([CF_UPPER],
2960 [
2961 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
2962 ])dnl
2963 dnl ---------------------------------------------------------------------------
2964 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
2965 dnl -----------
2966 dnl Check for multibyte support, and if not found, utf8 compatibility library
2967 AC_DEFUN([CF_UTF8_LIB],
2968 [
2969 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
2970         cf_save_LIBS="$LIBS"
2971         AC_TRY_LINK([
2972 #include <stdlib.h>],[putwc(0,0);],
2973         [cf_cv_utf8_lib=yes],
2974         [CF_FIND_LINKAGE([
2975 #include <libutf8.h>],[putwc(0,0);],utf8,
2976                 [cf_cv_utf8_lib=add-on],
2977                 [cf_cv_utf8_lib=no])
2978 ])])
2979
2980 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
2981 # ncurses/ncursesw:
2982 if test "$cf_cv_utf8_lib" = "add-on" ; then
2983         AC_DEFINE(HAVE_LIBUTF8_H)
2984         CF_ADD_INCDIR($cf_cv_header_path_utf8)
2985         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
2986         CF_ADD_LIBS($cf_cv_library_file_utf8)
2987 fi
2988 ])dnl
2989 dnl ---------------------------------------------------------------------------
2990 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
2991 dnl ----------
2992 dnl Use AC_VERBOSE w/o the warnings
2993 AC_DEFUN([CF_VERBOSE],
2994 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
2995 CF_MSG_LOG([$1])
2996 ])dnl
2997 dnl ---------------------------------------------------------------------------
2998 dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
2999 dnl -------------
3000 dnl Check if type wide-character type $1 is declared, and if so, which header
3001 dnl file is needed.  The second parameter is used to set a shell variable when
3002 dnl the type is not found.  The first parameter sets a shell variable for the
3003 dnl opposite sense.
3004 AC_DEFUN([CF_WCHAR_TYPE],
3005 [
3006 # This is needed on Tru64 5.0 to declare $1
3007 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
3008 AC_TRY_COMPILE([
3009 #include <stdlib.h>
3010 #include <stdarg.h>
3011 #include <stdio.h>
3012 #ifdef HAVE_LIBUTF8_H
3013 #include <libutf8.h>
3014 #endif],
3015         [$1 state],
3016         [cf_cv_$1=no],
3017         [AC_TRY_COMPILE([
3018 #include <stdlib.h>
3019 #include <stdarg.h>
3020 #include <stdio.h>
3021 #include <wchar.h>
3022 #ifdef HAVE_LIBUTF8_H
3023 #include <libutf8.h>
3024 #endif],
3025         [$1 value],
3026         [cf_cv_$1=yes],
3027         [cf_cv_$1=unknown])])])
3028
3029 if test "$cf_cv_$1" = yes ; then
3030         AC_DEFINE(NEED_WCHAR_H)
3031         NEED_WCHAR_H=1
3032 fi
3033
3034 ifelse([$2],,,[
3035 # if we do not find $1 in either place, use substitution to provide a fallback.
3036 if test "$cf_cv_$1" = unknown ; then
3037         $2=1
3038 fi
3039 ])
3040 ifelse($3,,,[
3041 # if we find $1 in either place, use substitution to provide a fallback.
3042 if test "$cf_cv_$1" != unknown ; then
3043         $3=1
3044 fi
3045 ])
3046 ])dnl
3047 dnl ---------------------------------------------------------------------------
3048 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3049 dnl ------------------
3050 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3051 dnl libraries.
3052 AC_DEFUN([CF_WITH_CURSES_DIR],[
3053
3054 AC_MSG_CHECKING(for specific curses-directory)
3055 AC_ARG_WITH(curses-dir,
3056         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3057         [cf_cv_curses_dir=$withval],
3058         [cf_cv_curses_dir=no])
3059 AC_MSG_RESULT($cf_cv_curses_dir)
3060
3061 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3062 then
3063         CF_PATH_SYNTAX(withval)
3064         if test -d "$cf_cv_curses_dir"
3065         then
3066                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3067                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3068         fi
3069 fi
3070 ])dnl
3071 dnl ---------------------------------------------------------------------------
3072 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
3073 dnl ----------------
3074 dnl Configure-option for dbmalloc.  The optional parameter is used to override
3075 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3076 AC_DEFUN([CF_WITH_DBMALLOC],[
3077 CF_NO_LEAKS_OPTION(dbmalloc,
3078         [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
3079         [USE_DBMALLOC])
3080
3081 if test "$with_dbmalloc" = yes ; then
3082         AC_CHECK_HEADER(dbmalloc.h,
3083                 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
3084 fi
3085 ])dnl
3086 dnl ---------------------------------------------------------------------------
3087 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
3088 dnl ---------------
3089 dnl Configure-option for dmalloc.  The optional parameter is used to override
3090 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3091 AC_DEFUN([CF_WITH_DMALLOC],[
3092 CF_NO_LEAKS_OPTION(dmalloc,
3093         [  --with-dmalloc          test: use Gray Watson's dmalloc library],
3094         [USE_DMALLOC])
3095
3096 if test "$with_dmalloc" = yes ; then
3097         AC_CHECK_HEADER(dmalloc.h,
3098                 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
3099 fi
3100 ])dnl
3101 dnl ---------------------------------------------------------------------------
3102 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
3103 dnl ----------------
3104 AC_DEFUN([CF_WITH_VALGRIND],[
3105 CF_NO_LEAKS_OPTION(valgrind,
3106         [  --with-valgrind         test: use valgrind],
3107         [USE_VALGRIND])
3108 ])dnl
3109 dnl ---------------------------------------------------------------------------
3110 dnl CF_XOPEN_CURSES version: 11 updated: 2011/01/18 18:15:30
3111 dnl ---------------
3112 dnl Test if we should define X/Open source for curses, needed on Digital Unix
3113 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
3114 dnl
3115 dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
3116 dnl as getbegy().  The latter is better design, but the former is standard.
3117 AC_DEFUN([CF_XOPEN_CURSES],
3118 [
3119 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3120 AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[
3121 AC_TRY_LINK([
3122 #include <stdlib.h>
3123 #include <${cf_cv_ncurses_header:-curses.h}>],[
3124 #if defined(NCURSES_VERSION_PATCH)
3125 #if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
3126         make an error
3127 #endif
3128 #endif
3129         long x = winnstr(stdscr, "", 0);
3130         int x1, y1;
3131         getbegyx(stdscr, y1, x1)],
3132         [cf_cv_need_xopen_extension=no],
3133         [AC_TRY_LINK([
3134 #define _XOPEN_SOURCE_EXTENDED
3135 #include <stdlib.h>
3136 #include <${cf_cv_ncurses_header:-curses.h}>],[
3137 #ifdef NCURSES_VERSION
3138         cchar_t check;
3139         int check2 = curs_set((int)sizeof(check));
3140 #endif
3141         long x = winnstr(stdscr, "", 0);
3142         int x1, y1;
3143         getbegyx(stdscr, y1, x1)],
3144         [cf_cv_need_xopen_extension=yes],
3145         [cf_cv_need_xopen_extension=unknown])])])
3146 test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
3147 ])dnl
3148 dnl ---------------------------------------------------------------------------
3149 dnl CF_XOPEN_SOURCE version: 39 updated: 2011/10/30 17:09:50
3150 dnl ---------------
3151 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3152 dnl or adapt to the vendor's definitions to get equivalent functionality,
3153 dnl without losing the common non-POSIX features.
3154 dnl
3155 dnl Parameters:
3156 dnl     $1 is the nominal value for _XOPEN_SOURCE
3157 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3158 AC_DEFUN([CF_XOPEN_SOURCE],[
3159
3160 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3161 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3162 cf_xopen_source=
3163
3164 case $host_os in #(vi
3165 aix[[4-7]]*) #(vi
3166         cf_xopen_source="-D_ALL_SOURCE"
3167         ;;
3168 cygwin) #(vi
3169         cf_XOPEN_SOURCE=600
3170         ;;
3171 darwin[[0-8]].*) #(vi
3172         cf_xopen_source="-D_APPLE_C_SOURCE"
3173         ;;
3174 darwin*) #(vi
3175         cf_xopen_source="-D_DARWIN_C_SOURCE"
3176         ;;
3177 freebsd*|dragonfly*) #(vi
3178         # 5.x headers associate
3179         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3180         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3181         cf_POSIX_C_SOURCE=200112L
3182         cf_XOPEN_SOURCE=600
3183         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3184         ;;
3185 hpux11*) #(vi
3186         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3187         ;;
3188 hpux*) #(vi
3189         cf_xopen_source="-D_HPUX_SOURCE"
3190         ;;
3191 irix[[56]].*) #(vi
3192         cf_xopen_source="-D_SGI_SOURCE"
3193         ;;
3194 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3195         CF_GNU_SOURCE
3196         ;;
3197 mirbsd*) #(vi
3198         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
3199         ;;
3200 netbsd*) #(vi
3201         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3202         ;;
3203 openbsd*) #(vi
3204         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3205         ;;
3206 osf[[45]]*) #(vi
3207         cf_xopen_source="-D_OSF_SOURCE"
3208         ;;
3209 nto-qnx*) #(vi
3210         cf_xopen_source="-D_QNX_SOURCE"
3211         ;;
3212 sco*) #(vi
3213         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3214         ;;
3215 solaris2.*) #(vi
3216         cf_xopen_source="-D__EXTENSIONS__"
3217         ;;
3218 *)
3219         CF_TRY_XOPEN_SOURCE
3220         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3221         ;;
3222 esac
3223
3224 if test -n "$cf_xopen_source" ; then
3225         CF_ADD_CFLAGS($cf_xopen_source)
3226 fi
3227
3228 dnl In anything but the default case, we may have system-specific setting
3229 dnl which is still not guaranteed to provide all of the entrypoints that
3230 dnl _XOPEN_SOURCE would yield.
3231 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3232         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3233         AC_TRY_COMPILE([#include <stdlib.h>],[
3234 #ifndef _XOPEN_SOURCE
3235 make an error
3236 #endif],
3237         [cf_XOPEN_SOURCE_set=yes],
3238         [cf_XOPEN_SOURCE_set=no])
3239         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3240         if test $cf_XOPEN_SOURCE_set = yes
3241         then
3242                 AC_TRY_COMPILE([#include <stdlib.h>],[
3243 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3244 make an error
3245 #endif],
3246                 [cf_XOPEN_SOURCE_set_ok=yes],
3247                 [cf_XOPEN_SOURCE_set_ok=no])
3248                 if test $cf_XOPEN_SOURCE_set_ok = no
3249                 then
3250                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3251                 fi
3252         else
3253                 CF_TRY_XOPEN_SOURCE
3254         fi
3255 fi
3256 ])
3257 dnl ---------------------------------------------------------------------------
3258 dnl CF_X_ATHENA version: 20 updated: 2010/11/09 05:18:02
3259 dnl -----------
3260 dnl Check for Xaw (Athena) libraries
3261 dnl
3262 dnl Sets $cf_x_athena according to the flavor of Xaw which is used.
3263 AC_DEFUN([CF_X_ATHENA],
3264 [
3265 cf_x_athena=${cf_x_athena:-Xaw}
3266
3267 AC_MSG_CHECKING(if you want to link with Xaw 3d library)
3268 withval=
3269 AC_ARG_WITH(Xaw3d,
3270         [  --with-Xaw3d            link with Xaw 3d library])
3271 if test "$withval" = yes ; then
3272         cf_x_athena=Xaw3d
3273         AC_MSG_RESULT(yes)
3274 else
3275         AC_MSG_RESULT(no)
3276 fi
3277
3278 AC_MSG_CHECKING(if you want to link with neXT Athena library)
3279 withval=
3280 AC_ARG_WITH(neXtaw,
3281         [  --with-neXtaw           link with neXT Athena library])
3282 if test "$withval" = yes ; then
3283         cf_x_athena=neXtaw
3284         AC_MSG_RESULT(yes)
3285 else
3286         AC_MSG_RESULT(no)
3287 fi
3288
3289 AC_MSG_CHECKING(if you want to link with Athena-Plus library)
3290 withval=
3291 AC_ARG_WITH(XawPlus,
3292         [  --with-XawPlus          link with Athena-Plus library])
3293 if test "$withval" = yes ; then
3294         cf_x_athena=XawPlus
3295         AC_MSG_RESULT(yes)
3296 else
3297         AC_MSG_RESULT(no)
3298 fi
3299
3300 cf_x_athena_lib=""
3301
3302 if test "$PKG_CONFIG" != none ; then
3303         cf_athena_list=
3304         test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6"
3305         for cf_athena_pkg in \
3306                 $cf_athena_list \
3307                 ${cf_x_athena} \
3308                 ${cf_x_athena}-devel \
3309                 lib${cf_x_athena} \
3310                 lib${cf_x_athena}-devel
3311         do
3312                 CF_TRY_PKG_CONFIG($cf_athena_pkg,[
3313                         cf_x_athena_lib="$cf_pkgconfig_libs"
3314                         CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
3315                         AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
3316
3317 AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[
3318 AC_TRY_LINK([
3319 #include <X11/Xmu/CharSet.h>
3320 ],[
3321 int check = XmuCompareISOLatin1("big", "small")
3322 ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])])
3323
3324                         if test "$cf_cv_xaw_compat" = no
3325                         then
3326                                 # workaround for broken ".pc" files...
3327                                 case "$cf_x_athena_lib" in #(vi
3328                                 *-lXmu*) #(vi
3329                                         ;;
3330                                 *)
3331                                         CF_VERBOSE(work around broken package)
3332                                         CF_TRY_PKG_CONFIG(xmu,,[CF_ADD_LIB_AFTER(-lXt,-lXmu)])
3333                                         ;;
3334                                 esac
3335                         fi
3336
3337                         break])
3338         done
3339 fi
3340
3341 if test -z "$cf_x_athena_lib" ; then
3342         CF_X_EXT
3343         CF_X_TOOLKIT
3344         CF_X_ATHENA_CPPFLAGS($cf_x_athena)
3345         CF_X_ATHENA_LIBS($cf_x_athena)
3346 fi
3347 ])dnl
3348 dnl ---------------------------------------------------------------------------
3349 dnl CF_X_ATHENA_CPPFLAGS version: 5 updated: 2010/05/26 17:35:30
3350 dnl --------------------
3351 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
3352 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
3353 AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
3354 [
3355 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
3356 cf_x_athena_inc=""
3357
3358 for cf_path in default \
3359         /usr/contrib/X11R6 \
3360         /usr/contrib/X11R5 \
3361         /usr/lib/X11R5 \
3362         /usr/local
3363 do
3364         if test -z "$cf_x_athena_inc" ; then
3365                 cf_save="$CPPFLAGS"
3366                 cf_test=X11/$cf_x_athena_root/SimpleMenu.h
3367                 if test $cf_path != default ; then
3368                         CPPFLAGS="$cf_save -I$cf_path/include"
3369                         AC_MSG_CHECKING(for $cf_test in $cf_path)
3370                 else
3371                         AC_MSG_CHECKING(for $cf_test)
3372                 fi
3373                 AC_TRY_COMPILE([
3374 #include <X11/Intrinsic.h>
3375 #include <$cf_test>],[],
3376                         [cf_result=yes],
3377                         [cf_result=no])
3378                 AC_MSG_RESULT($cf_result)
3379                 if test "$cf_result" = yes ; then
3380                         cf_x_athena_inc=$cf_path
3381                         break
3382                 else
3383                         CPPFLAGS="$cf_save"
3384                 fi
3385         fi
3386 done
3387
3388 if test -z "$cf_x_athena_inc" ; then
3389         AC_MSG_WARN(
3390 [Unable to successfully find Athena header files with test program])
3391 elif test "$cf_x_athena_inc" != default ; then
3392         CPPFLAGS="$CPPFLAGS -I$cf_x_athena_inc"
3393 fi
3394 ])
3395 dnl ---------------------------------------------------------------------------
3396 dnl CF_X_ATHENA_LIBS version: 12 updated: 2011/07/17 19:55:02
3397 dnl ----------------
3398 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
3399 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
3400 AC_DEFUN([CF_X_ATHENA_LIBS],
3401 [AC_REQUIRE([CF_X_TOOLKIT])
3402 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
3403 cf_x_athena_lib=""
3404
3405 for cf_path in default \
3406         /usr/contrib/X11R6 \
3407         /usr/contrib/X11R5 \
3408         /usr/lib/X11R5 \
3409         /usr/local
3410 do
3411         for cf_lib in \
3412                 ${cf_x_athena_root} \
3413                 ${cf_x_athena_root}7 \
3414                 ${cf_x_athena_root}6
3415         do
3416         for cf_libs in \
3417                 "-l$cf_lib -lXmu" \
3418                 "-l$cf_lib -lXpm -lXmu" \
3419                 "-l${cf_lib}_s -lXmu_s"
3420         do
3421                 if test -z "$cf_x_athena_lib" ; then
3422                         cf_save="$LIBS"
3423                         cf_test=XawSimpleMenuAddGlobalActions
3424                         if test $cf_path != default ; then
3425                                 CF_ADD_LIBS(-L$cf_path/lib $cf_libs)
3426                                 AC_MSG_CHECKING(for $cf_libs in $cf_path)
3427                         else
3428                                 CF_ADD_LIBS($cf_libs)
3429                                 AC_MSG_CHECKING(for $cf_test in $cf_libs)
3430                         fi
3431                         AC_TRY_LINK([
3432 #include <X11/Intrinsic.h>
3433 #include <X11/$cf_x_athena_root/SimpleMenu.h>
3434 ],[
3435 $cf_test((XtAppContext) 0)],
3436                                 [cf_result=yes],
3437                                 [cf_result=no])
3438                         AC_MSG_RESULT($cf_result)
3439                         if test "$cf_result" = yes ; then
3440                                 cf_x_athena_lib="$cf_libs"
3441                                 break
3442                         fi
3443                         LIBS="$cf_save"
3444                 fi
3445         done # cf_libs
3446                 test -n "$cf_x_athena_lib" && break
3447         done # cf_lib
3448 done
3449
3450 if test -z "$cf_x_athena_lib" ; then
3451         AC_MSG_ERROR(
3452 [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
3453 fi
3454
3455 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
3456 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
3457 ])
3458 dnl ---------------------------------------------------------------------------
3459 dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05
3460 dnl --------
3461 AC_DEFUN([CF_X_EXT],[
3462 CF_TRY_PKG_CONFIG(Xext,,[
3463         AC_CHECK_LIB(Xext,XextCreateExtension,
3464                 [CF_ADD_LIB(Xext)])])
3465 ])dnl
3466 dnl ---------------------------------------------------------------------------
3467 dnl CF_X_TOOLKIT version: 20 updated: 2010/11/19 05:43:04
3468 dnl ------------
3469 dnl Check for X Toolkit libraries
3470 dnl
3471 AC_DEFUN([CF_X_TOOLKIT],
3472 [
3473 AC_REQUIRE([AC_PATH_XTRA])
3474 AC_REQUIRE([CF_CHECK_CACHE])
3475
3476 cf_have_X_LIBS=no
3477
3478 CF_TRY_PKG_CONFIG(xt,[
3479
3480         case "x$LIBS" in #(vi
3481         *-lX11*) #(vi
3482                 ;;
3483         *)
3484 # we have an "xt" package, but it may omit Xt's dependency on X11
3485 AC_CACHE_CHECK(for usable X dependency,cf_cv_xt_x11_compat,[
3486 AC_TRY_LINK([
3487 #include <X11/Xlib.h>
3488 ],[
3489         int rc1 = XDrawLine((Display*) 0, (Drawable) 0, (GC) 0, 0, 0, 0, 0);
3490         int rc2 = XClearWindow((Display*) 0, (Window) 0);
3491         int rc3 = XMoveWindow((Display*) 0, (Window) 0, 0, 0);
3492         int rc4 = XMoveResizeWindow((Display*)0, (Window)0, 0, 0, 0, 0);
3493 ],[cf_cv_xt_x11_compat=yes],[cf_cv_xt_x11_compat=no])])
3494                 if test "$cf_cv_xt_x11_compat" = no
3495                 then
3496                         CF_VERBOSE(work around broken X11 dependency)
3497                         # 2010/11/19 - good enough until a working Xt on Xcb is delivered.
3498                         CF_TRY_PKG_CONFIG(x11,,[CF_ADD_LIB_AFTER(-lXt,-lX11)])
3499                 fi
3500                 ;;
3501         esac
3502
3503 AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[
3504 AC_TRY_LINK([
3505 #include <X11/Shell.h>
3506 ],[int num = IceConnectionNumber(0)
3507 ],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])])
3508
3509         if test "$cf_cv_xt_ice_compat" = no
3510         then
3511                 # workaround for broken ".pc" files used for X Toolkit.
3512                 case "x$X_PRE_LIBS" in #(vi
3513                 *-lICE*)
3514                         case "x$LIBS" in #(vi
3515                         *-lICE*) #(vi
3516                                 ;;
3517                         *)
3518                                 CF_VERBOSE(work around broken ICE dependency)
3519                                 CF_TRY_PKG_CONFIG(ice,
3520                                         [CF_TRY_PKG_CONFIG(sm)],
3521                                         [CF_ADD_LIB_AFTER(-lXt,$X_PRE_LIBS)])
3522                                 ;;
3523                         esac
3524                         ;;
3525                 esac
3526         fi
3527
3528         cf_have_X_LIBS=yes
3529 ],[
3530
3531         LDFLAGS="$X_LIBS $LDFLAGS"
3532         CF_CHECK_CFLAGS($X_CFLAGS)
3533
3534         AC_CHECK_FUNC(XOpenDisplay,,[
3535         AC_CHECK_LIB(X11,XOpenDisplay,
3536                 [CF_ADD_LIB(X11)],,
3537                 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
3538
3539         AC_CHECK_FUNC(XtAppInitialize,,[
3540         AC_CHECK_LIB(Xt, XtAppInitialize,
3541                 [AC_DEFINE(HAVE_LIBXT)
3542                  cf_have_X_LIBS=Xt
3543                  LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
3544                 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
3545 ])
3546
3547 if test $cf_have_X_LIBS = no ; then
3548         AC_MSG_WARN(
3549 [Unable to successfully link X Toolkit library (-lXt) with
3550 test program.  You will have to check and add the proper libraries by hand
3551 to makefile.])
3552 fi
3553 ])dnl
3554 dnl ---------------------------------------------------------------------------
3555 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
3556 dnl ---------------
3557 dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
3558 dnl are both available.
3559 define([CF__CURSES_HEAD],[
3560 #ifdef HAVE_XCURSES
3561 #include <xcurses.h>
3562 char * XCursesProgramName = "test";
3563 #else
3564 #include <${cf_cv_ncurses_header:-curses.h}>
3565 #if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
3566 #include <ncursesw/term.h>
3567 #elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
3568 #include <ncurses/term.h>
3569 #elif defined(HAVE_TERM_H)
3570 #include <term.h>
3571 #endif
3572 #endif
3573 ])