d68cf7e6074ac782abcfa0c19af2972ed05548eb
[ncurses.git] / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
3 dnl                                                                          *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
5 dnl copy of this software and associated documentation files (the            *
6 dnl "Software"), to deal in the Software without restriction, including      *
7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
9 dnl copies of the Software, and to permit persons to whom the Software is    *
10 dnl furnished to do so, subject to the following conditions:                 *
11 dnl                                                                          *
12 dnl The above copyright notice and this permission notice shall be included  *
13 dnl in all copies or substantial portions of the Software.                   *
14 dnl                                                                          *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 dnl                                                                          *
23 dnl Except as contained in this notice, the name(s) of the above copyright   *
24 dnl holders shall not be used in advertising or otherwise to promote the     *
25 dnl sale, use or other dealings in this Software without prior written       *
26 dnl authorization.                                                           *
27 dnl***************************************************************************
28 dnl
29 dnl Author: Thomas E. Dickey 1995-on
30 dnl
31 dnl $Id: aclocal.m4,v 1.838 2018/06/16 23:07:10 tom Exp $
32 dnl Macros used in NCURSES auto-configuration script.
33 dnl
34 dnl These macros are maintained separately from NCURSES.  The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
37 dnl
38 dnl See https://invisible-island.net/autoconf/ for additional information.
39 dnl
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
43 dnl -------------------
44 dnl Inserted as requested by gettext 0.10.40
45 dnl File from /usr/share/aclocal
46 dnl codeset.m4
47 dnl ====================
48 dnl serial AM1
49 dnl
50 dnl From Bruno Haible.
51 AC_DEFUN([AM_LANGINFO_CODESET],
52 [
53 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
54         [AC_TRY_LINK([#include <langinfo.h>],
55         [char* cs = nl_langinfo(CODESET);],
56         am_cv_langinfo_codeset=yes,
57         am_cv_langinfo_codeset=no)
58         ])
59         if test $am_cv_langinfo_codeset = yes; then
60                 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
61                 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
62         fi
63 ])dnl
64 dnl ---------------------------------------------------------------------------
65 dnl CF_ABI_DEFAULTS version: 2 updated: 2015/06/06 13:49:58
66 dnl ---------------
67 dnl Provide configure-script defaults for different ncurses ABIs.
68 AC_DEFUN([CF_ABI_DEFAULTS],[
69 AC_REQUIRE([CF_NCURSES_WITH_ABI_VERSION])
70 case x$cf_cv_abi_version in
71 (x[[6789]])
72         cf_dft_ext_colors=yes
73         cf_dft_ext_const=yes
74         cf_dft_ext_mouse=yes
75         cf_dft_ext_putwin=yes
76         cf_dft_ext_spfuncs=yes
77         cf_dft_filter_syms=yes
78         cf_dft_chtype=uint32_t
79         cf_dft_mmask_t=uint32_t
80         cf_dft_interop=yes
81         cf_dft_tparm_arg=intptr_t
82         cf_dft_with_lp64=yes
83         ;;
84 (*)
85         cf_dft_ext_colors=no
86         cf_dft_ext_const=no
87         cf_dft_ext_mouse=no
88         cf_dft_ext_putwin=no
89         cf_dft_ext_spfuncs=no
90         cf_dft_filter_syms=no
91         cf_dft_chtype=auto
92         cf_dft_mmask_t=auto
93         cf_dft_interop=no
94         cf_dft_tparm_arg=long
95         cf_dft_with_lp64=no
96         ;;
97 esac
98 ])dnl
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
101 dnl ------------------
102 dnl Conditionally generate script according to whether we're using a given autoconf.
103 dnl
104 dnl $1 = version to compare against
105 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
106 dnl $3 = code to use if AC_ACVERSION is older than $1.
107 define([CF_ACVERSION_CHECK],
108 [
109 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
110 ifdef([m4_version_compare],
111 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
112 [CF_ACVERSION_COMPARE(
113 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
114 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
115 dnl ---------------------------------------------------------------------------
116 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
117 dnl --------------------
118 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
119 dnl                      MAJOR2, MINOR2, TERNARY2,
120 dnl                      PRINTABLE2, not FOUND, FOUND)
121 define([CF_ACVERSION_COMPARE],
122 [ifelse(builtin([eval], [$2 < $5]), 1,
123 [ifelse([$8], , ,[$8])],
124 [ifelse([$9], , ,[$9])])])dnl
125 dnl ---------------------------------------------------------------------------
126 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
127 dnl -------------------
128 dnl Construct the list of include-options for the C programs in the Ada95
129 dnl binding.
130 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
131 [
132 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
133 if test "$srcdir" != "."; then
134         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
135 fi
136 if test "$GCC" != yes; then
137         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
138 elif test "$includedir" != "/usr/include"; then
139         if test "$includedir" = '${prefix}/include' ; then
140                 if test x$prefix != x/usr ; then
141                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
142                 fi
143         else
144                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
145         fi
146 fi
147 AC_SUBST(ACPPFLAGS)
148 ])dnl
149 dnl ---------------------------------------------------------------------------
150 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
151 dnl ---------------
152 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
153 AC_DEFUN([CF_ADD_ADAFLAGS],[
154         ADAFLAGS="$ADAFLAGS $1"
155         AC_SUBST(ADAFLAGS)
156 ])dnl
157 dnl ---------------------------------------------------------------------------
158 dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
159 dnl -------------
160 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
161 dnl The second parameter if given makes this macro verbose.
162 dnl
163 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
164 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
165 dnl confused by the quotes (which require backslashes to keep them usable).
166 AC_DEFUN([CF_ADD_CFLAGS],
167 [
168 cf_fix_cppflags=no
169 cf_new_cflags=
170 cf_new_cppflags=
171 cf_new_extra_cppflags=
172
173 for cf_add_cflags in $1
174 do
175 case $cf_fix_cppflags in
176 (no)
177         case $cf_add_cflags in
178         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
179                 case $cf_add_cflags in
180                 (-D*)
181                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
182
183                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
184                                 && test -z "${cf_tst_cflags}" \
185                                 && cf_fix_cppflags=yes
186
187                         if test $cf_fix_cppflags = yes ; then
188                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
189                                 continue
190                         elif test "${cf_tst_cflags}" = "\"'" ; then
191                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
192                                 continue
193                         fi
194                         ;;
195                 esac
196                 case "$CPPFLAGS" in
197                 (*$cf_add_cflags)
198                         ;;
199                 (*)
200                         case $cf_add_cflags in
201                         (-D*)
202                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
203                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
204                                 ;;
205                         esac
206                         CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
207                         ;;
208                 esac
209                 ;;
210         (*)
211                 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
212                 ;;
213         esac
214         ;;
215 (yes)
216         CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
217
218         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
219
220         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
221                 && test -z "${cf_tst_cflags}" \
222                 && cf_fix_cppflags=no
223         ;;
224 esac
225 done
226
227 if test -n "$cf_new_cflags" ; then
228         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
229         CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
230 fi
231
232 if test -n "$cf_new_cppflags" ; then
233         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
234         CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
235 fi
236
237 if test -n "$cf_new_extra_cppflags" ; then
238         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
239         CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
240 fi
241
242 AC_SUBST(EXTRA_CPPFLAGS)
243
244 ])dnl
245 dnl ---------------------------------------------------------------------------
246 dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
247 dnl -------------
248 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
249 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
250 dnl but old versions (and some misinstalled ones) need that.  To make things
251 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
252 dnl the include-path).
253 AC_DEFUN([CF_ADD_INCDIR],
254 [
255 if test -n "$1" ; then
256   for cf_add_incdir in $1
257   do
258         while test $cf_add_incdir != /usr/include
259         do
260           if test -d $cf_add_incdir
261           then
262                 cf_have_incdir=no
263                 if test -n "$CFLAGS$CPPFLAGS" ; then
264                   # a loop is needed to ensure we can add subdirs of existing dirs
265                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
266                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
267                           cf_have_incdir=yes; break
268                         fi
269                   done
270                 fi
271
272                 if test "$cf_have_incdir" = no ; then
273                   if test "$cf_add_incdir" = /usr/local/include ; then
274                         if test "$GCC" = yes
275                         then
276                           cf_save_CPPFLAGS=$CPPFLAGS
277                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
278                           AC_TRY_COMPILE([#include <stdio.h>],
279                                   [printf("Hello")],
280                                   [],
281                                   [cf_have_incdir=yes])
282                           CPPFLAGS=$cf_save_CPPFLAGS
283                         fi
284                   fi
285                 fi
286
287                 if test "$cf_have_incdir" = no ; then
288                   CF_VERBOSE(adding $cf_add_incdir to include-path)
289                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
290
291                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
292                   test "$cf_top_incdir" = "$cf_add_incdir" && break
293                   cf_add_incdir="$cf_top_incdir"
294                 else
295                   break
296                 fi
297           else
298                 break
299           fi
300         done
301   done
302 fi
303 ])dnl
304 dnl ---------------------------------------------------------------------------
305 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
306 dnl ----------
307 dnl Add a library, used to enforce consistency.
308 dnl
309 dnl $1 = library to add, without the "-l"
310 dnl $2 = variable to update (default $LIBS)
311 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
312 dnl ---------------------------------------------------------------------------
313 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
314 dnl -------------
315 dnl     Adds to the library-path
316 dnl
317 dnl     Some machines have trouble with multiple -L options.
318 dnl
319 dnl $1 is the (list of) directory(s) to add
320 dnl $2 is the optional name of the variable to update (default LDFLAGS)
321 dnl
322 AC_DEFUN([CF_ADD_LIBDIR],
323 [
324 if test -n "$1" ; then
325         for cf_add_libdir in $1
326         do
327                 if test $cf_add_libdir = /usr/lib ; then
328                         :
329                 elif test -d $cf_add_libdir
330                 then
331                         cf_have_libdir=no
332                         if test -n "$LDFLAGS$LIBS" ; then
333                                 # a loop is needed to ensure we can add subdirs of existing dirs
334                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
335                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
336                                                 cf_have_libdir=yes; break
337                                         fi
338                                 done
339                         fi
340                         if test "$cf_have_libdir" = no ; then
341                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
342                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
343                         fi
344                 fi
345         done
346 fi
347 ])dnl
348 dnl ---------------------------------------------------------------------------
349 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
350 dnl -----------
351 dnl Add one or more libraries, used to enforce consistency.  Libraries are
352 dnl prepended to an existing list, since their dependencies are assumed to
353 dnl already exist in the list.
354 dnl
355 dnl $1 = libraries to add, with the "-l", etc.
356 dnl $2 = variable to update (default $LIBS)
357 AC_DEFUN([CF_ADD_LIBS],[
358 cf_add_libs="$1"
359 # Filter out duplicates - this happens with badly-designed ".pc" files...
360 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
361 do
362         for cf_add_2lib in $cf_add_libs
363         do
364                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
365                 then
366                         cf_add_1lib=
367                         break
368                 fi
369         done
370         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
371 done
372 ifelse($2,,LIBS,[$2])="$cf_add_libs"
373 ])dnl
374 dnl ---------------------------------------------------------------------------
375 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
376 dnl ------------------
377 dnl Append to a search-list for a nonstandard header/lib-file
378 dnl     $1 = the variable to return as result
379 dnl     $2 = the package name
380 dnl     $3 = the subdirectory, e.g., bin, include or lib
381 dnl $4 = the directory under which we will test for subdirectories
382 dnl $5 = a directory that we do not want $4 to match
383 AC_DEFUN([CF_ADD_SUBDIR_PATH],
384 [
385 test "x$4" != "x$5" && \
386 test -d "$4" && \
387 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
388         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
389         test -d $4/$3 &&          $1="[$]$1 $4/$3"
390         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
391         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
392         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
393         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
394 }
395 ])dnl
396 dnl ---------------------------------------------------------------------------
397 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
398 dnl --------------
399 dnl use this macro for appending text without introducing an extra blank at
400 dnl the beginning
401 define([CF_APPEND_TEXT],
402 [
403         test -n "[$]$1" && $1="[$]$1 "
404         $1="[$]{$1}$2"
405 ])dnl
406 dnl ---------------------------------------------------------------------------
407 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
408 dnl --------------
409 dnl Allow user to disable a normally-on option.
410 AC_DEFUN([CF_ARG_DISABLE],
411 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
412 dnl ---------------------------------------------------------------------------
413 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
414 dnl -------------
415 dnl Allow user to enable a normally-off option.
416 AC_DEFUN([CF_ARG_ENABLE],
417 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
418 dnl ---------------------------------------------------------------------------
419 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
420 dnl -------------
421 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
422 dnl values.
423 dnl
424 dnl Parameters:
425 dnl $1 = option name
426 dnl $2 = help-string
427 dnl $3 = action to perform if option is not default
428 dnl $4 = action if perform if option is default
429 dnl $5 = default option value (either 'yes' or 'no')
430 AC_DEFUN([CF_ARG_OPTION],
431 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
432         if test "$enableval" != "$5" ; then
433 ifelse([$3],,[    :]dnl
434 ,[    $3]) ifelse([$4],,,[
435         else
436                 $4])
437         fi],[enableval=$5 ifelse([$4],,,[
438         $4
439 ])dnl
440 ])])dnl
441 dnl ---------------------------------------------------------------------------
442 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
443 dnl -----------
444 dnl Check for suitable "ar" (archiver) options for updating an archive.
445 dnl
446 dnl In particular, handle some obsolete cases where the "-" might be omitted,
447 dnl as well as a workaround for breakage of make's archive rules by the GNU
448 dnl binutils "ar" program.
449 AC_DEFUN([CF_AR_FLAGS],[
450 AC_REQUIRE([CF_PROG_AR])
451
452 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
453         cf_cv_ar_flags=unknown
454         for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
455         do
456
457                 # check if $ARFLAGS already contains this choice
458                 if test "x$ARFLAGS" != "x" ; then
459                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
460                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
461                                 cf_cv_ar_flags=
462                                 break
463                         fi
464                 fi
465
466                 rm -f conftest.$ac_cv_objext
467                 rm -f conftest.a
468
469                 cat >conftest.$ac_ext <<EOF
470 #line __oline__ "configure"
471 int     testdata[[3]] = { 123, 456, 789 };
472 EOF
473                 if AC_TRY_EVAL(ac_compile) ; then
474                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
475                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
476                         if test -f conftest.a ; then
477                                 cf_cv_ar_flags=$cf_ar_flags
478                                 break
479                         fi
480                 else
481                         CF_VERBOSE(cannot compile test-program)
482                         break
483                 fi
484         done
485         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
486 ])
487
488 if test -n "$ARFLAGS" ; then
489         if test -n "$cf_cv_ar_flags" ; then
490                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
491         fi
492 else
493         ARFLAGS=$cf_cv_ar_flags
494 fi
495
496 AC_SUBST(ARFLAGS)
497 ])
498 dnl ---------------------------------------------------------------------------
499 dnl CF_AWK_BIG_PRINTF version: 5 updated: 2015/04/17 21:13:04
500 dnl -----------------
501 dnl Check if awk can handle big strings using printf.  Some older versions of
502 dnl awk choke on large strings passed via "%s".
503 dnl
504 dnl $1 = desired string size
505 dnl $2 = variable to set with result
506 AC_DEFUN([CF_AWK_BIG_PRINTF],
507 [
508         case x$AWK in
509         (x)
510                 eval $2=no
511                 ;;
512         (*)
513                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
514                         | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
515                         eval $2=yes
516                 else
517                         eval $2=no
518                 fi
519                 ;;
520         esac
521 ])dnl
522 dnl ---------------------------------------------------------------------------
523 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
524 dnl ------------
525 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
526 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
527 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
528 dnl
529 dnl Treat the configuration-variable specially here, since we're directly
530 dnl substituting its value (i.e., 1/0).
531 dnl
532 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
533 AC_DEFUN([CF_BOOL_DECL],
534 [
535 AC_MSG_CHECKING(if we should include stdbool.h)
536
537 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
538         AC_TRY_COMPILE([],[bool foo = false],
539                 [cf_cv_header_stdbool_h=0],
540                 [AC_TRY_COMPILE([
541 #ifndef __BEOS__
542 #include <stdbool.h>
543 #endif
544 ],[bool foo = false],
545                         [cf_cv_header_stdbool_h=1],
546                         [cf_cv_header_stdbool_h=0])])])
547
548 if test "$cf_cv_header_stdbool_h" = 1
549 then    AC_MSG_RESULT(yes)
550 else    AC_MSG_RESULT(no)
551 fi
552
553 AC_MSG_CHECKING([for builtin bool type])
554
555 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
556         AC_TRY_COMPILE([
557 #include <stdio.h>
558 #include <sys/types.h>
559 ],[bool x = false],
560                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
561                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
562         ])
563
564 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
565 then    AC_MSG_RESULT(yes)
566 else    AC_MSG_RESULT(no)
567 fi
568 ])dnl
569 dnl ---------------------------------------------------------------------------
570 dnl CF_BOOL_SIZE version: 15 updated: 2017/01/21 11:06:25
571 dnl ------------
572 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
573 dnl Don't bother looking for bool.h, since it's been deprecated.
574 dnl
575 dnl If the current compiler is C rather than C++, we get the bool definition
576 dnl from <stdbool.h>.
577 AC_DEFUN([CF_BOOL_SIZE],
578 [
579 AC_MSG_CHECKING([for size of bool])
580 AC_CACHE_VAL(cf_cv_type_of_bool,[
581         rm -f cf_test.out
582         AC_TRY_RUN([
583 #include <stdlib.h>
584 #include <stdio.h>
585
586 #if defined(__cplusplus)
587
588 #ifdef HAVE_GXX_BUILTIN_H
589 #include <g++/builtin.h>
590 #elif HAVE_GPP_BUILTIN_H
591 #include <gpp/builtin.h>
592 #elif HAVE_BUILTIN_H
593 #include <builtin.h>
594 #endif
595
596 #else
597
598 #if $cf_cv_header_stdbool_h
599 #include <stdbool.h>
600 #endif
601
602 #endif
603
604 int main(void)
605 {
606         FILE *fp = fopen("cf_test.out", "w");
607         if (fp != 0) {
608                 bool x = true;
609                 if ((bool)(-x) >= 0)
610                         fputs("unsigned ", fp);
611                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
612                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
613                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
614                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
615                 fclose(fp);
616         }
617         ${cf_cv_main_return:-return}(0);
618 }
619                 ],
620                 [cf_cv_type_of_bool=`cat cf_test.out`
621                  if test -z "$cf_cv_type_of_bool"; then
622                    cf_cv_type_of_bool=unknown
623                  fi],
624                 [cf_cv_type_of_bool=unknown],
625                 [cf_cv_type_of_bool=unknown])
626         ])
627         rm -f cf_test.out
628 AC_MSG_RESULT($cf_cv_type_of_bool)
629 if test "$cf_cv_type_of_bool" = unknown ; then
630         case .$NCURSES_BOOL in
631         (.auto|.) NCURSES_BOOL=unsigned;;
632         esac
633         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
634         cf_cv_type_of_bool=$NCURSES_BOOL
635 fi
636 ])dnl
637 dnl ---------------------------------------------------------------------------
638 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
639 dnl -----------
640 dnl If we're cross-compiling, allow the user to override the tools and their
641 dnl options.  The configure script is oriented toward identifying the host
642 dnl compiler, etc., but we need a build compiler to generate parts of the
643 dnl source.
644 dnl
645 dnl $1 = default for $CPPFLAGS
646 dnl $2 = default for $LIBS
647 AC_DEFUN([CF_BUILD_CC],[
648 CF_ACVERSION_CHECK(2.52,,
649         [AC_REQUIRE([CF_PROG_EXT])])
650 if test "$cross_compiling" = yes ; then
651
652         # defaults that we might want to override
653         : ${BUILD_CFLAGS:=''}
654         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
655         : ${BUILD_LDFLAGS:=''}
656         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
657         : ${BUILD_EXEEXT:='$x'}
658         : ${BUILD_OBJEXT:='o'}
659
660         AC_ARG_WITH(build-cc,
661                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
662                 [BUILD_CC="$withval"],
663                 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
664         AC_MSG_CHECKING(for native build C compiler)
665         AC_MSG_RESULT($BUILD_CC)
666
667         AC_MSG_CHECKING(for native build C preprocessor)
668         AC_ARG_WITH(build-cpp,
669                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
670                 [BUILD_CPP="$withval"],
671                 [BUILD_CPP='${BUILD_CC} -E'])
672         AC_MSG_RESULT($BUILD_CPP)
673
674         AC_MSG_CHECKING(for native build C flags)
675         AC_ARG_WITH(build-cflags,
676                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
677                 [BUILD_CFLAGS="$withval"])
678         AC_MSG_RESULT($BUILD_CFLAGS)
679
680         AC_MSG_CHECKING(for native build C preprocessor-flags)
681         AC_ARG_WITH(build-cppflags,
682                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
683                 [BUILD_CPPFLAGS="$withval"])
684         AC_MSG_RESULT($BUILD_CPPFLAGS)
685
686         AC_MSG_CHECKING(for native build linker-flags)
687         AC_ARG_WITH(build-ldflags,
688                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
689                 [BUILD_LDFLAGS="$withval"])
690         AC_MSG_RESULT($BUILD_LDFLAGS)
691
692         AC_MSG_CHECKING(for native build linker-libraries)
693         AC_ARG_WITH(build-libs,
694                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
695                 [BUILD_LIBS="$withval"])
696         AC_MSG_RESULT($BUILD_LIBS)
697
698         # this assumes we're on Unix.
699         BUILD_EXEEXT=
700         BUILD_OBJEXT=o
701
702         : ${BUILD_CC:='${CC}'}
703
704         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
705                 AC_MSG_ERROR([Cross-build requires two compilers.
706 Use --with-build-cc to specify the native compiler.])
707         fi
708
709 else
710         : ${BUILD_CC:='${CC}'}
711         : ${BUILD_CPP:='${CPP}'}
712         : ${BUILD_CFLAGS:='${CFLAGS}'}
713         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
714         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
715         : ${BUILD_LIBS:='${LIBS}'}
716         : ${BUILD_EXEEXT:='$x'}
717         : ${BUILD_OBJEXT:='o'}
718 fi
719
720 AC_SUBST(BUILD_CC)
721 AC_SUBST(BUILD_CPP)
722 AC_SUBST(BUILD_CFLAGS)
723 AC_SUBST(BUILD_CPPFLAGS)
724 AC_SUBST(BUILD_LDFLAGS)
725 AC_SUBST(BUILD_LIBS)
726 AC_SUBST(BUILD_EXEEXT)
727 AC_SUBST(BUILD_OBJEXT)
728 ])dnl
729 dnl ---------------------------------------------------------------------------
730 dnl CF_CC_ENV_FLAGS version: 8 updated: 2017/09/23 08:50:24
731 dnl ---------------
732 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
733 dnl into CC.  This will not help with broken scripts that wrap the compiler
734 dnl with options, but eliminates a more common category of user confusion.
735 dnl
736 dnl In particular, it addresses the problem of being able to run the C
737 dnl preprocessor in a consistent manner.
738 dnl
739 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
740 dnl the nuisance of having inconsistent settings for compiler and preprocessor
741 dnl outweighs that limitation.
742 AC_DEFUN([CF_CC_ENV_FLAGS],
743 [
744 # This should have been defined by AC_PROG_CC
745 : ${CC:=cc}
746
747 AC_MSG_CHECKING(\$CC variable)
748 case "$CC" in
749 (*[[\ \ ]]-*)
750         AC_MSG_RESULT(broken)
751         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
752         # humor him...
753         cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
754         cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
755         CC="$cf_prog"
756         for cf_arg in $cf_flags
757         do
758                 case "x$cf_arg" in
759                 (x-[[IUDfgOW]]*)
760                         CF_ADD_CFLAGS($cf_arg)
761                         ;;
762                 (*)
763                         CC="$CC $cf_arg"
764                         ;;
765                 esac
766         done
767         CF_VERBOSE(resulting CC: '$CC')
768         CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
769         CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
770         ;;
771 (*)
772         AC_MSG_RESULT(ok)
773         ;;
774 esac
775 ])dnl
776 dnl ---------------------------------------------------------------------------
777 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
778 dnl ---------------
779 dnl Determine the default configuration into which we'll install ncurses.  This
780 dnl can be overridden by the user's command-line options.  There's two items to
781 dnl look for:
782 dnl     1. the prefix (e.g., /usr)
783 dnl     2. the header files (e.g., /usr/include/ncurses)
784 dnl We'll look for a previous installation of ncurses and use the same defaults.
785 dnl
786 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
787 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
788 dnl programs from a vendor's.
789 AC_DEFUN([CF_CFG_DEFAULTS],
790 [
791 AC_MSG_CHECKING(for prefix)
792 if test "x$prefix" = "xNONE" ; then
793         case "$cf_cv_system_name" in
794                 # non-vendor systems don't have a conflict
795         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
796                 prefix=/usr
797                 ;;
798         (*)     prefix=$ac_default_prefix
799                 ;;
800         esac
801 fi
802 AC_MSG_RESULT($prefix)
803
804 if test "x$prefix" = "xNONE" ; then
805 AC_MSG_CHECKING(for default include-directory)
806 test -n "$verbose" && echo 1>&AC_FD_MSG
807 for cf_symbol in \
808         $includedir \
809         $includedir/ncurses \
810         $prefix/include \
811         $prefix/include/ncurses \
812         /usr/local/include \
813         /usr/local/include/ncurses \
814         /usr/include \
815         /usr/include/ncurses
816 do
817         cf_dir=`eval echo $cf_symbol`
818         if test -f $cf_dir/curses.h ; then
819         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
820                 includedir="$cf_symbol"
821                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
822                 break
823         fi
824         fi
825         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
826 done
827 AC_MSG_RESULT($includedir)
828 fi
829 ])dnl
830 dnl ---------------------------------------------------------------------------
831 dnl CF_CGETENT version: 6 updated: 2017/01/21 11:06:25
832 dnl ----------
833 dnl Check if the terminal-capability database functions are available.  If not,
834 dnl ncurses has a much-reduced version.
835 AC_DEFUN([CF_CGETENT],[
836 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
837 AC_TRY_LINK([
838 #include <stdlib.h>],[
839         char temp[128];
840         char *buf = temp;
841         char *db_array = temp;
842         cgetent(&buf, &db_array, "vt100");
843         cgetcap(buf, "tc", '=');
844         cgetmatch(buf, "tc");
845         ],
846         [cf_cv_cgetent=yes],
847         [cf_cv_cgetent=no])
848 ])
849
850 if test "$cf_cv_cgetent" = yes
851 then
852         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
853 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
854 AC_TRY_LINK([
855 #pragma GCC diagnostic error "-Wincompatible-pointer-types-discards-qualifiers"
856 #include <stdlib.h>],[
857         char temp[128];
858         char *buf = temp;
859 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
860         const char *db_array = temp;
861         cgetent(&buf, &db_array, "vt100");
862 #endif
863         cgetcap(buf, "tc", '=');
864         cgetmatch(buf, "tc");
865         ],
866         [cf_cv_cgetent_const=yes],
867         [cf_cv_cgetent_const=no])
868 ])
869         if test "$cf_cv_cgetent_const" = yes
870         then
871                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
872         fi
873 fi
874 ])dnl
875 dnl ---------------------------------------------------------------------------
876 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
877 dnl --------------
878 dnl Check if we're accidentally using a cache from a different machine.
879 dnl Derive the system name, as a check for reusing the autoconf cache.
880 dnl
881 dnl If we've packaged config.guess and config.sub, run that (since it does a
882 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
883 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
884 dnl which is useful in cross-compiles.
885 dnl
886 dnl Note: we would use $ac_config_sub, but that is one of the places where
887 dnl autoconf 2.5x broke compatibility with autoconf 2.13
888 AC_DEFUN([CF_CHECK_CACHE],
889 [
890 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
891         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
892         system_name="$host_os"
893 else
894         system_name="`(uname -s -r) 2>/dev/null`"
895         if test -z "$system_name" ; then
896                 system_name="`(hostname) 2>/dev/null`"
897         fi
898 fi
899 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
900 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
901
902 test -z "$system_name" && system_name="$cf_cv_system_name"
903 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
904
905 if test ".$system_name" != ".$cf_cv_system_name" ; then
906         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
907         AC_MSG_ERROR("Please remove config.cache and try again.")
908 fi
909 ])dnl
910 dnl ---------------------------------------------------------------------------
911 dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57
912 dnl --------------
913 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
914 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
915 dnl ourselves.
916 dnl
917 dnl $1 = the name to check
918 dnl $2 = the assumed type
919 AC_DEFUN([CF_CHECK_ERRNO],
920 [
921 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
922         AC_TRY_COMPILE([
923 #ifdef HAVE_STDLIB_H
924 #include <stdlib.h>
925 #endif
926 #include <stdio.h>
927 #include <sys/types.h>
928 #include <errno.h> ],
929         ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
930         [cf_cv_dcl_$1=yes],
931         [cf_cv_dcl_$1=no])
932 ])
933
934 if test "$cf_cv_dcl_$1" = no ; then
935         CF_UPPER(cf_result,decl_$1)
936         AC_DEFINE_UNQUOTED($cf_result)
937 fi
938
939 # It's possible (for near-UNIX clones) that the data doesn't exist
940 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
941 ])dnl
942 dnl ---------------------------------------------------------------------------
943 dnl CF_CHECK_EXTERN_DATA version: 4 updated: 2015/04/18 08:56:57
944 dnl --------------------
945 dnl Check for existence of external data in the current set of libraries.  If
946 dnl we can modify it, it's real enough.
947 dnl $1 = the name to check
948 dnl $2 = its type
949 AC_DEFUN([CF_CHECK_EXTERN_DATA],
950 [
951 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
952         AC_TRY_LINK([
953 #undef $1
954 extern $2 $1;
955 ],
956         [$1 = 2],
957         [cf_cv_have_$1=yes],
958         [cf_cv_have_$1=no])
959 ])
960
961 if test "$cf_cv_have_$1" = yes ; then
962         CF_UPPER(cf_result,have_$1)
963         AC_DEFINE_UNQUOTED($cf_result)
964 fi
965
966 ])dnl
967 dnl ---------------------------------------------------------------------------
968 dnl CF_CHECK_GPM_WGETCH version: 3 updated: 2017/01/21 11:06:25
969 dnl -------------------
970 dnl Check if GPM is already linked with curses.  If so - and if the linkage
971 dnl is not "weak" - warn about this because it can create problems linking
972 dnl applications with ncurses.
973 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
974 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
975
976 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
977 cf_cv_check_gpm_wgetch=unknown
978 if test "$cross_compiling" != yes ; then
979
980 cat >conftest.$ac_ext <<CF_EOF
981 #include <gpm.h>
982 int main(void)
983 {
984         Gpm_Wgetch();
985         ${cf_cv_main_return:-return}(0);
986 }
987 CF_EOF
988
989         cf_save_LIBS="$LIBS"
990         # This only works if we can look at the symbol table.  If a shared
991         # library is stripped for install, we cannot use that.  So we're forced
992         # to rely on the static library, noting that some packagers may not
993         # include it.
994         LIBS="-static -lgpm -dynamic $LIBS"
995         if AC_TRY_EVAL(ac_compile) ; then
996                 if AC_TRY_EVAL(ac_link) ; then
997                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
998                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
999                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
1000                 fi
1001         fi
1002         rm -rf conftest*
1003         LIBS="$cf_save_LIBS"
1004 fi
1005 ])
1006
1007 if test "$cf_cv_check_gpm_wgetch" != yes ; then
1008         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
1009 fi
1010 ])])dnl
1011 dnl ---------------------------------------------------------------------------
1012 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
1013 dnl ------------------------
1014 dnl Show the version of libtool
1015 dnl
1016 dnl Save the version in a cache variable - this is not entirely a good thing,
1017 dnl but the version string from libtool is very ugly, and for bug reports it
1018 dnl might be useful to have the original string.
1019 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
1020 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
1021 then
1022         AC_MSG_CHECKING(version of $LIBTOOL)
1023         CF_LIBTOOL_VERSION
1024         AC_MSG_RESULT($cf_cv_libtool_version)
1025         if test -z "$cf_cv_libtool_version" ; then
1026                 AC_MSG_ERROR(This is not GNU libtool)
1027         fi
1028 else
1029         AC_MSG_ERROR(GNU libtool has not been found)
1030 fi
1031 ])dnl
1032 dnl ---------------------------------------------------------------------------
1033 dnl CF_CHECK_WCHAR_H version: 2 updated: 2017/01/21 11:06:25
1034 dnl ----------------
1035 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
1036 AC_DEFUN([CF_CHECK_WCHAR_H],[
1037 AC_CHECK_HEADERS( \
1038 wchar.h \
1039 wctype.h \
1040 )
1041 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
1042 AC_TRY_COMPILE(
1043 [
1044 #include <stdlib.h>
1045 #ifdef HAVE_WCHAR_H
1046 #include <wchar.h>
1047 #endif
1048 #ifdef HAVE_WCTYPE_H
1049 #include <wctype.h>
1050 #endif
1051 ],[
1052         wint_t foo = 0;
1053         int bar = iswpunct(foo)],
1054         [cf_cv_wchar_h_okay=yes],
1055         [cf_cv_wchar_h_okay=no])])
1056
1057 if test $cf_cv_wchar_h_okay = no
1058 then
1059         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
1060 fi
1061 ])dnl
1062 dnl ---------------------------------------------------------------------------
1063 dnl CF_CHECK_WCWIDTH_GRAPHICS version: 1 updated: 2015/12/19 17:47:56
1064 dnl -------------------------
1065 dnl Most "modern" terminal emulators are based to some degree on VT100, and
1066 dnl should support line-drawing.  Even with Unicode.  There is a problem.
1067 dnl
1068 dnl While most of the VT100 graphics characters were incorporated into Unicode,
1069 dnl all of those were combined into a page of useful graphics characters.
1070 dnl
1071 dnl So far, so good.
1072 dnl
1073 dnl However, while they are useful, there are other considerations.  CJK
1074 dnl is (because of poor device resolution) often rendered as double-width
1075 dnl characters.  So... for these generally-useful characters, what should
1076 dnl be the width (to make them consistent with adjacent characters)?
1077 dnl
1078 dnl The obvious choice would have been to make this locale-dependent, and use
1079 dnl wcwidth() to tell applications what the actual width is.  That was too
1080 dnl obvious.  Instead, we have a slew of "ambiguous-width" characters.
1081 dnl See for example
1082 dnl             http://www.unicode.org/reports/tr11/tr11-29.html
1083 dnl             http://www.cl.cam.ac.uk/~mgk25/ucs/scw-proposal.html
1084 dnl
1085 dnl The EastAsianWidth-6.2.0.txt file from the Unicode organization lists
1086 dnl more than 22,000 characters, with 1281 of those as ambiguous-width.  For
1087 dnl instance, it lists half (44/96) of the Latin-1 characters as
1088 dnl ambiguous-width.  Also, all of the box-characters at 0x2500 are ambiguous.
1089 dnl
1090 dnl What this means for the implementor is that on some systems wcwidth() can
1091 dnl give bad advice.  On Solaris, some of the ambiguous widths are returned as
1092 dnl 1 (the Latin-1 characters), while others are returned as 2 (line-drawing
1093 dnl characters).  These do not necessarily match the behavior of the terminal
1094 dnl emulator.  xterm, for instance, does an optional startup check to find if
1095 dnl this problem (or similar) exists with the system's locale tables, rejecting
1096 dnl them if they are too unreliable.
1097 AC_DEFUN([CF_CHECK_WCWIDTH_GRAPHICS],[
1098 AC_CACHE_CHECK(if wcwidth agrees graphics are single-width, cf_cv_wcwidth_graphics,[
1099 cat >conftest.in <<CF_EOF
1100 -       VT100 symbols
1101 0x250c  upper left corner
1102 0x2514  lower left corner
1103 0x2510  upper right corner
1104 0x2518  lower right corner
1105 0x251c  tee pointing left
1106 0x2524  tee pointing right
1107 0x2534  tee pointing up
1108 0x252c  tee pointing down
1109 0x2500  horizontal line
1110 0x2502  vertical line
1111 0x253c  large plus or crossover
1112 0x23ba  scan line 1
1113 0x23bd  scan line 9
1114 0x25c6  diamond
1115 0x2592  checker board (stipple)
1116 0x00b0  degree symbol
1117 0x00b1  plus/minus
1118 0x00b7  bullet
1119 -       Teletype 5410v1 symbols
1120 0x2190  arrow pointing left
1121 0x2192  arrow pointing right
1122 0x2193  arrow pointing down
1123 0x2191  arrow pointing up
1124 0x2592  board of squares
1125 0x2603  lantern symbol
1126 0x25ae  solid square block
1127 -       these defaults were invented for ncurses
1128 0x23bb  scan line 3
1129 0x23bc  scan line 7
1130 0x2264  less-than-or-equal-to
1131 0x2265  greater-than-or-equal-to
1132 0x03c0  greek pi
1133 0x2260  not-equal
1134 0x00a3  pound-sterling symbol
1135 -       thick-line-drawing
1136 0x250f  upper left corner
1137 0x2517  lower left corner
1138 0x2513  upper right corner
1139 0x251b  lower right corner
1140 0x2523  tee pointing left
1141 0x252b  tee pointing right
1142 0x253b  tee pointing up
1143 0x2533  tee pointing down
1144 0x2501  horizontal line
1145 0x2503  vertical line
1146 0x254b  large plus or crossover
1147 -       double-line-drawing
1148 0x2554  upper left corner
1149 0x255a  lower left corner
1150 0x2557  upper right corner
1151 0x255d  lower right corner
1152 0x2563  tee pointing left
1153 0x2560  tee pointing right
1154 0x2569  tee pointing up
1155 0x2566  tee pointing down
1156 0x2550  horizontal line
1157 0x2551  vertical line
1158 0x256c  large plus or crossover
1159 CF_EOF
1160 AC_TRY_RUN([
1161 #include <locale.h>
1162 #include <stdio.h>
1163 #include <wchar.h>
1164
1165 #define MY_LEN 80
1166
1167 int
1168 main(void)
1169 {
1170         FILE *fp;
1171         int value;
1172         char buffer[MY_LEN + 1];
1173         char notes[MY_LEN + 1];
1174         int totals = 0;
1175         int passed = 0;
1176
1177         if (setlocale(LC_ALL, "en_US.UTF8") ||
1178                 setlocale(LC_ALL, "en_US.UTF-8") ||
1179                 setlocale(LC_ALL, "en_US.utf8") ||
1180                 setlocale(LC_ALL, "en_US.utf-8")) {
1181                 if ((fp = fopen("conftest.in", "r")) != 0) {
1182                         while (fgets(buffer, MY_LEN, fp) != 0) {
1183                                 if (*buffer == '-') {
1184                                         fprintf(stderr, "\t%s", buffer);
1185                                 } else if (sscanf(buffer, "%x %s", &value, notes) == 2) {
1186                                         ++totals;
1187                                         if (wcwidth(value) == 1)
1188                                                 ++passed;
1189                                         fprintf(stderr, "%d\t%s", wcwidth(value), buffer);
1190                                 } else {
1191                                         fprintf(stderr, "?\t%s", buffer);
1192                                 }
1193                         }
1194                 }
1195         }
1196         fprintf(stderr, "%d/%d passed wcwidth/graphics check\n", passed, totals);
1197         return (totals == passed) ? 0 : 1;
1198 }
1199 ],
1200 [cf_cv_wcwidth_graphics=yes],
1201 [cf_cv_wcwidth_graphics=no],
1202 [cf_cv_wcwidth_graphics=unknown])
1203 ])
1204 ])dnl
1205 dnl ---------------------------------------------------------------------------
1206 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
1207 dnl -----------------
1208 dnl Check if the given compiler is really clang.  clang's C driver defines
1209 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1210 dnl not ignore some gcc options.
1211 dnl
1212 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1213 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1214 dnl the wrappers for gcc and g++ warnings.
1215 dnl
1216 dnl $1 = GCC (default) or GXX
1217 dnl $2 = CLANG_COMPILER (default)
1218 dnl $3 = CFLAGS (default) or CXXFLAGS
1219 AC_DEFUN([CF_CLANG_COMPILER],[
1220 ifelse([$2],,CLANG_COMPILER,[$2])=no
1221
1222 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1223         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1224         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1225         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
1226         AC_TRY_COMPILE([],[
1227 #ifdef __clang__
1228 #else
1229 make an error
1230 #endif
1231 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1232 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
1233 ],[])
1234         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1235         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1236 fi
1237 ])
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_CPP_PARAM_INIT version: 7 updated: 2017/01/21 11:06:25
1240 dnl -----------------
1241 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1242 dnl is a late feature for the standard and is not in some recent compilers
1243 dnl (1999/9/11).
1244 AC_DEFUN([CF_CPP_PARAM_INIT],
1245 [
1246 if test -n "$CXX"; then
1247 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1248         AC_LANG_SAVE
1249         AC_LANG_CPLUSPLUS
1250         AC_TRY_RUN([
1251 class TEST {
1252 private:
1253         int value;
1254 public:
1255         TEST(int x = 1);
1256         ~TEST();
1257 };
1258
1259 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1260 {
1261         value = x;
1262 }
1263 int main(void) { }
1264 ],
1265         [cf_cv_cpp_param_init=yes],
1266         [cf_cv_cpp_param_init=no],
1267         [cf_cv_cpp_param_init=unknown])
1268         AC_LANG_RESTORE
1269 ])
1270 fi
1271 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1272 ])dnl
1273 dnl ---------------------------------------------------------------------------
1274 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1275 dnl ------------------
1276 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1277 dnl not be supported in g++ before 3.0
1278 AC_DEFUN([CF_CPP_STATIC_CAST],
1279 [
1280 if test -n "$CXX"; then
1281
1282 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1283         AC_LANG_SAVE
1284         AC_LANG_CPLUSPLUS
1285
1286         AC_TRY_COMPILE([
1287 class NCursesPanel
1288 {
1289 public:
1290   NCursesPanel(int nlines,
1291                int ncols,
1292                int begin_y = 0,
1293                int begin_x = 0)
1294   {
1295   }
1296   NCursesPanel();
1297   ~NCursesPanel();
1298 };
1299
1300 template<class T> class NCursesUserPanel : public NCursesPanel
1301 {
1302 public:
1303   NCursesUserPanel (int nlines,
1304                     int ncols,
1305                     int begin_y = 0,
1306                     int begin_x = 0,
1307                     const T* p_UserData = static_cast<T*>(0))
1308     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1309   {
1310   };
1311   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1312   {
1313   };
1314
1315   virtual ~NCursesUserPanel() {};
1316 };
1317 ],[
1318         const char* p_UserData = static_cast<char*>(0)],
1319         [cf_cv_cpp_static_cast=yes],
1320         [cf_cv_cpp_static_cast=no])
1321
1322         AC_LANG_RESTORE
1323 ])
1324
1325 fi
1326
1327 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1328 ])dnl
1329 dnl ---------------------------------------------------------------------------
1330 dnl CF_CXX_AR_FLAGS version: 2 updated: 2015/04/17 21:13:04
1331 dnl ---------------
1332 dnl Setup special archiver flags for given compilers.
1333 AC_DEFUN([CF_CXX_AR_FLAGS],[
1334         CXX_AR='$(AR)'
1335         CXX_ARFLAGS='$(ARFLAGS)'
1336         case $cf_cv_system_name in
1337         (irix*)
1338             if test "$GXX" != yes ; then
1339                 CXX_AR='$(CXX)'
1340                 CXX_ARFLAGS='-ar -o'
1341             fi
1342             ;;
1343         (sco3.2v5*)
1344             CXXLDFLAGS="-u main"
1345             ;;
1346         (solaris2*)
1347             if test "$GXX" != yes ; then
1348                 CXX_AR='$(CXX)'
1349                 CXX_ARFLAGS='-xar -o'
1350             fi
1351             ;;
1352         esac
1353         AC_SUBST(CXXLDFLAGS)
1354         AC_SUBST(CXX_AR)
1355         AC_SUBST(CXX_ARFLAGS)
1356 ])dnl
1357 dnl ---------------------------------------------------------------------------
1358 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1359 dnl -------------------------
1360 dnl For c++, check if iostream uses "std::" namespace.
1361 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1362 AC_CHECK_HEADERS(iostream)
1363 if test x"$ac_cv_header_iostream" = xyes ; then
1364         AC_MSG_CHECKING(if iostream uses std-namespace)
1365         AC_TRY_COMPILE([
1366 #include <iostream>
1367 using std::endl;
1368 using std::cerr;],[
1369 cerr << "testing" << endl;
1370 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1371         AC_MSG_RESULT($cf_iostream_namespace)
1372         if test "$cf_iostream_namespace" = yes ; then
1373                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1374         fi
1375 fi
1376 ])dnl
1377 dnl ---------------------------------------------------------------------------
1378 dnl CF_C_INLINE version: 5 updated: 2015/04/18 08:56:57
1379 dnl -----------
1380 dnl Check if the C compiler supports "inline".
1381 dnl $1 is the name of a shell variable to set if inline is supported
1382 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1383 AC_DEFUN([CF_C_INLINE],[
1384 AC_C_INLINE
1385 $1=
1386 if test "$ac_cv_c_inline" != no ; then
1387         $1=inline
1388         if test "$INTEL_COMPILER" = yes
1389         then
1390                 :
1391         elif test "$CLANG_COMPILER" = yes
1392         then
1393                 :
1394         elif test "$GCC" = yes
1395         then
1396                 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1397                 cf_save_CFLAGS=$CFLAGS
1398                 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1399                 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1400                 [${cf_cv_main_return:-return} foo()],
1401                 [cf_cv_gcc_inline=yes],
1402                 [cf_cv_gcc_inline=no])
1403                 CFLAGS=$cf_save_CFLAGS
1404                 ])
1405                 if test "$cf_cv_gcc_inline" = yes ; then
1406                         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1407                 fi
1408         fi
1409 fi
1410 AC_SUBST($1)
1411 ])dnl
1412 dnl ---------------------------------------------------------------------------
1413 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1414 dnl ----------
1415 dnl "dirname" is not portable, so we fake it with a shell script.
1416 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1417 dnl ---------------------------------------------------------------------------
1418 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1419 dnl ---------------
1420 AC_DEFUN([CF_DIRS_TO_MAKE],
1421 [
1422 DIRS_TO_MAKE="lib"
1423 for cf_item in $cf_list_models
1424 do
1425         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1426         for cf_item2 in $DIRS_TO_MAKE
1427         do
1428                 test $cf_item2 = $cf_subdir && break
1429         done
1430         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1431 done
1432 for cf_dir in $DIRS_TO_MAKE
1433 do
1434         test ! -d $cf_dir && mkdir $cf_dir
1435 done
1436 AC_SUBST(DIRS_TO_MAKE)
1437 ])dnl
1438 dnl ---------------------------------------------------------------------------
1439 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1440 dnl ---------------
1441 dnl You can always use "make -n" to see the actual options, but it's hard to
1442 dnl pick out/analyze warning messages when the compile-line is long.
1443 dnl
1444 dnl Sets:
1445 dnl     ECHO_LT - symbol to control if libtool is verbose
1446 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1447 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1448 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1449 dnl     ECHO_CC - symbol to put before any "cc" line
1450 dnl
1451 AC_DEFUN([CF_DISABLE_ECHO],[
1452 AC_MSG_CHECKING(if you want to see long compiling messages)
1453 CF_ARG_DISABLE(echo,
1454         [  --disable-echo          do not display "compiling" commands],
1455         [
1456         ECHO_LT='--silent'
1457         ECHO_LD='@echo linking [$]@;'
1458         RULE_CC='@echo compiling [$]<'
1459         SHOW_CC='@echo compiling [$]@'
1460         ECHO_CC='@'
1461 ],[
1462         ECHO_LT=''
1463         ECHO_LD=''
1464         RULE_CC=''
1465         SHOW_CC=''
1466         ECHO_CC=''
1467 ])
1468 AC_MSG_RESULT($enableval)
1469 AC_SUBST(ECHO_LT)
1470 AC_SUBST(ECHO_LD)
1471 AC_SUBST(RULE_CC)
1472 AC_SUBST(SHOW_CC)
1473 AC_SUBST(ECHO_CC)
1474 ])dnl
1475 dnl ---------------------------------------------------------------------------
1476 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1477 dnl ------------------------
1478 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1479 AC_MSG_CHECKING(if we want to use GNAT projects)
1480 CF_ARG_DISABLE(gnat-projects,
1481         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1482         [enable_gnat_projects=no],
1483         [enable_gnat_projects=yes])
1484 AC_MSG_RESULT($enable_gnat_projects)
1485 ])dnl
1486 dnl ---------------------------------------------------------------------------
1487 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1488 dnl ----------------
1489 dnl Combine no-leak checks with the libraries or tools that are used for the
1490 dnl checks.
1491 AC_DEFUN([CF_DISABLE_LEAKS],[
1492
1493 AC_REQUIRE([CF_WITH_DMALLOC])
1494 AC_REQUIRE([CF_WITH_DBMALLOC])
1495 AC_REQUIRE([CF_WITH_VALGRIND])
1496
1497 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1498 AC_ARG_ENABLE(leaks,
1499         [  --disable-leaks         test: free permanent memory, analyze leaks],
1500         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1501         : ${with_no_leaks:=no})
1502 AC_MSG_RESULT($with_no_leaks)
1503
1504 if test "$with_no_leaks" = yes ; then
1505         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1506         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1507 fi
1508 ])dnl
1509 dnl ---------------------------------------------------------------------------
1510 dnl CF_DISABLE_LIBTOOL_VERSION version: 3 updated: 2015/04/17 21:13:04
1511 dnl --------------------------
1512 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1513 dnl the older "-version-info" feature.  The newer feature allows us to use
1514 dnl version numbering on shared libraries which make them compatible with
1515 dnl various systems.
1516 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1517 [
1518 AC_MSG_CHECKING(if libtool -version-number should be used)
1519 CF_ARG_DISABLE(libtool-version,
1520         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1521         [cf_libtool_version=no],
1522         [cf_libtool_version=yes])
1523 AC_MSG_RESULT($cf_libtool_version)
1524
1525 if test "$cf_libtool_version" = yes ; then
1526         LIBTOOL_VERSION="-version-number"
1527 else
1528         LIBTOOL_VERSION="-version-info"
1529         case "x$VERSION" in
1530         (x)
1531                 AC_MSG_WARN(VERSION was not set)
1532                 ;;
1533         (x*.*.*)
1534                 ABI_VERSION="$VERSION"
1535                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1536                 ;;
1537         (x*:*:*)
1538                 ABI_VERSION=`echo "$VERSION" | sed -e 's/:/./g'`
1539                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1540                 ;;
1541         (*)
1542                 AC_MSG_WARN(unexpected VERSION value: $VERSION)
1543                 ;;
1544         esac
1545 fi
1546
1547 AC_SUBST(ABI_VERSION)
1548 AC_SUBST(LIBTOOL_VERSION)
1549 ])dnl
1550 dnl ---------------------------------------------------------------------------
1551 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1552 dnl ---------------------
1553 dnl The rpath-hack makes it simpler to build programs, particularly with the
1554 dnl *BSD ports which may have essential libraries in unusual places.  But it
1555 dnl can interfere with building an executable for the base system.  Use this
1556 dnl option in that case.
1557 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1558 [
1559 AC_MSG_CHECKING(if rpath-hack should be disabled)
1560 CF_ARG_DISABLE(rpath-hack,
1561         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1562         [cf_disable_rpath_hack=yes],
1563         [cf_disable_rpath_hack=no])
1564 AC_MSG_RESULT($cf_disable_rpath_hack)
1565 if test "$cf_disable_rpath_hack" = no ; then
1566         CF_RPATH_HACK
1567 fi
1568 ])
1569 dnl ---------------------------------------------------------------------------
1570 dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
1571 dnl ------------------
1572 dnl This is the "--enable-pc-files" option, which is available if there is a
1573 dnl pkg-config configuration on the local machine.
1574 AC_DEFUN([CF_ENABLE_PC_FILES],[
1575 AC_REQUIRE([CF_PKG_CONFIG])
1576 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1577
1578 if test "x$PKG_CONFIG" != xnone
1579 then
1580         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1581 else
1582         AC_MSG_CHECKING(if we should install .pc files)
1583 fi
1584
1585 AC_ARG_ENABLE(pc-files,
1586         [  --enable-pc-files       generate and install .pc files for pkg-config],
1587         [enable_pc_files=$enableval],
1588         [enable_pc_files=no])
1589 AC_MSG_RESULT($enable_pc_files)
1590
1591 if test "x$enable_pc_files" != xno
1592 then
1593         MAKE_PC_FILES=
1594         case "x$PKG_CONFIG_LIBDIR" in
1595         (xno|xyes)
1596                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
1597                 ;;
1598         (*)
1599                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1600                 ;;
1601         esac
1602 else
1603         MAKE_PC_FILES="#"
1604 fi
1605 AC_SUBST(MAKE_PC_FILES)
1606 ])dnl
1607 dnl ---------------------------------------------------------------------------
1608 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1609 dnl ---------------
1610 dnl Check if the rpath option should be used, setting cache variable
1611 dnl cf_cv_enable_rpath if so.
1612 AC_DEFUN([CF_ENABLE_RPATH],
1613 [
1614 AC_MSG_CHECKING(if rpath option should be used)
1615 AC_ARG_ENABLE(rpath,
1616 [  --enable-rpath          use rpath option when generating shared libraries],
1617 [cf_cv_enable_rpath=$enableval],
1618 [cf_cv_enable_rpath=no])
1619 AC_MSG_RESULT($cf_cv_enable_rpath)
1620 ])dnl
1621 dnl ---------------------------------------------------------------------------
1622 dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
1623 dnl ----------------------
1624 dnl On a few platforms, the compiler and/or loader nags with untruthful
1625 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1626 dnl and implying that most uses of the recommended alternatives are correct.
1627 dnl
1628 dnl Factually speaking, no one has actually counted the number of uses of these
1629 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1630 dnl instances are meaningless compared to the hundreds of millions of lines of
1631 dnl existing C code.
1632 dnl
1633 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1634 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1635 dnl standard - but evolved through phases, and older implementations are likely
1636 dnl to yield surprising results, as documented in manpages on various systems.
1637 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1638 [
1639 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1640 AC_ARG_ENABLE(string-hacks,
1641         [  --enable-string-hacks   work around bogus compiler/loader warnings],
1642         [with_string_hacks=$enableval],
1643         [with_string_hacks=no])
1644 AC_MSG_RESULT($with_string_hacks)
1645
1646 if test "x$with_string_hacks" = "xyes"; then
1647         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1648         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1649         AC_CHECK_FUNC(strlcat,[
1650                 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1651                 ],[
1652                 AC_CHECK_LIB(bsd,strlcat,[
1653                         CF_ADD_LIB(bsd)
1654                         AC_CHECK_HEADERS(bsd/string.h)
1655                         AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1656                         ])
1657                 ])
1658         AC_CHECK_FUNCS( strlcpy snprintf )
1659 fi
1660 ])dnl
1661 dnl ---------------------------------------------------------------------------
1662 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1663 dnl --------
1664 dnl Check if 'errno' is declared in <errno.h>
1665 AC_DEFUN([CF_ERRNO],
1666 [
1667 CF_CHECK_ERRNO(errno)
1668 ])dnl
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1671 dnl ---------------
1672 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1673 dnl math.h and builtin.h, only for ncurses
1674 AC_DEFUN([CF_ETIP_DEFINES],
1675 [
1676 AC_MSG_CHECKING(for special defines needed for etip.h)
1677 cf_save_CXXFLAGS="$CXXFLAGS"
1678 cf_result="none"
1679
1680 # etip.h includes ncurses.h which includes ncurses_dll.h
1681 # But ncurses_dll.h is generated - fix here.
1682 test -d include || mkdir include
1683 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1684
1685 for cf_math in "" MATH_H
1686 do
1687 for cf_excp in "" MATH_EXCEPTION
1688 do
1689         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1690         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1691         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1692 AC_TRY_COMPILE([
1693 #include <etip.h.in>
1694 ],[],[
1695         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1696         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1697         cf_result="$cf_math $cf_excp"
1698         break 2
1699 ],[])
1700 done
1701 done
1702 AC_MSG_RESULT($cf_result)
1703 CXXFLAGS="$cf_save_CXXFLAGS"
1704 ])
1705 dnl ---------------------------------------------------------------------------
1706 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
1707 dnl ---------------
1708 dnl Find a library (specifically the linkage used in the code fragment),
1709 dnl searching for it if it is not already in the library path.
1710 dnl See also CF_ADD_SEARCHPATH.
1711 dnl
1712 dnl Parameters (4-on are optional):
1713 dnl     $1 = headers for library entrypoint
1714 dnl     $2 = code fragment for library entrypoint
1715 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1716 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1717 dnl     $5 = action to perform if not successful
1718 dnl     $6 = module name, if not the same as the library name
1719 dnl     $7 = extra libraries
1720 dnl
1721 dnl Sets these variables:
1722 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1723 dnl     $cf_cv_header_path_$3 - include-directory if needed
1724 dnl     $cf_cv_library_path_$3 - library-directory if needed
1725 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1726 AC_DEFUN([CF_FIND_LINKAGE],[
1727
1728 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1729 # will be set on completion of the AC_TRY_LINK below.
1730 cf_cv_header_path_$3=
1731 cf_cv_library_path_$3=
1732
1733 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1734
1735 cf_save_LIBS="$LIBS"
1736
1737 AC_TRY_LINK([$1],[$2],[
1738         cf_cv_find_linkage_$3=yes
1739         cf_cv_header_path_$3=/usr/include
1740         cf_cv_library_path_$3=/usr/lib
1741 ],[
1742
1743 LIBS="-l$3 $7 $cf_save_LIBS"
1744
1745 AC_TRY_LINK([$1],[$2],[
1746         cf_cv_find_linkage_$3=yes
1747         cf_cv_header_path_$3=/usr/include
1748         cf_cv_library_path_$3=/usr/lib
1749         cf_cv_library_file_$3="-l$3"
1750 ],[
1751         cf_cv_find_linkage_$3=no
1752         LIBS="$cf_save_LIBS"
1753
1754         CF_VERBOSE(find linkage for $3 library)
1755         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1756
1757         cf_save_CPPFLAGS="$CPPFLAGS"
1758         cf_test_CPPFLAGS="$CPPFLAGS"
1759
1760         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1761         for cf_cv_header_path_$3 in $cf_search
1762         do
1763                 if test -d $cf_cv_header_path_$3 ; then
1764                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1765                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1766                         AC_TRY_COMPILE([$1],[$2],[
1767                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1768                                 cf_cv_find_linkage_$3=maybe
1769                                 cf_test_CPPFLAGS="$CPPFLAGS"
1770                                 break],[
1771                                 CPPFLAGS="$cf_save_CPPFLAGS"
1772                                 ])
1773                 fi
1774         done
1775
1776         if test "$cf_cv_find_linkage_$3" = maybe ; then
1777
1778                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1779
1780                 cf_save_LIBS="$LIBS"
1781                 cf_save_LDFLAGS="$LDFLAGS"
1782
1783                 ifelse([$6],,,[
1784                 CPPFLAGS="$cf_test_CPPFLAGS"
1785                 LIBS="-l$3 $7 $cf_save_LIBS"
1786                 AC_TRY_LINK([$1],[$2],[
1787                         CF_VERBOSE(... found $3 library in system)
1788                         cf_cv_find_linkage_$3=yes])
1789                         CPPFLAGS="$cf_save_CPPFLAGS"
1790                         LIBS="$cf_save_LIBS"
1791                         ])
1792
1793                 if test "$cf_cv_find_linkage_$3" != yes ; then
1794                         CF_LIBRARY_PATH(cf_search,$3)
1795                         for cf_cv_library_path_$3 in $cf_search
1796                         do
1797                                 if test -d $cf_cv_library_path_$3 ; then
1798                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
1799                                         CPPFLAGS="$cf_test_CPPFLAGS"
1800                                         LIBS="-l$3 $7 $cf_save_LIBS"
1801                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1802                                         AC_TRY_LINK([$1],[$2],[
1803                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1804                                         cf_cv_find_linkage_$3=yes
1805                                         cf_cv_library_file_$3="-l$3"
1806                                         break],[
1807                                         CPPFLAGS="$cf_save_CPPFLAGS"
1808                                         LIBS="$cf_save_LIBS"
1809                                         LDFLAGS="$cf_save_LDFLAGS"
1810                                         ])
1811                                 fi
1812                         done
1813                         CPPFLAGS="$cf_save_CPPFLAGS"
1814                         LDFLAGS="$cf_save_LDFLAGS"
1815                 fi
1816
1817         else
1818                 cf_cv_find_linkage_$3=no
1819         fi
1820         ],$7)
1821 ])
1822
1823 LIBS="$cf_save_LIBS"
1824
1825 if test "$cf_cv_find_linkage_$3" = yes ; then
1826 ifelse([$4],,[
1827         CF_ADD_INCDIR($cf_cv_header_path_$3)
1828         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1829         CF_ADD_LIB($3)
1830 ],[$4])
1831 else
1832 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1833 fi
1834 ])dnl
1835 dnl ---------------------------------------------------------------------------
1836 dnl CF_FIND_SUB_INCDIR version: 2 updated: 2015/04/17 21:13:04
1837 dnl ------------------
1838 dnl Find an include-directory with the given leaf-name.  This is useful for
1839 dnl example with FreeBSD ports, which use this convention to distinguish
1840 dnl different versions of the same port.
1841 AC_DEFUN([CF_FIND_SUB_INCDIR],[
1842         CF_SUBDIR_PATH(cf_search,$1,include)
1843         for cf_item in $cf_search
1844         do
1845                 case $cf_item in
1846                 (*/$1)
1847                         CF_ADD_INCDIR($cf_item)
1848                         ;;
1849                 esac
1850         done
1851 ])dnl
1852 dnl ---------------------------------------------------------------------------
1853 dnl CF_FIND_SUB_LIBDIR version: 2 updated: 2015/04/17 21:13:04
1854 dnl ------------------
1855 dnl Find a library-directory with the given leaf-name.  This is useful for
1856 dnl example with FreeBSD ports, which use this convention to distinguish
1857 dnl different versions of the same port.
1858 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
1859         CF_SUBDIR_PATH(cf_search,$1,lib)
1860         for cf_item in $cf_search
1861         do
1862                 case $cf_item in
1863                 (*/$1)
1864                         CF_ADD_LIBDIR($cf_item)
1865                         ;;
1866                 esac
1867         done
1868 ])dnl
1869 dnl ---------------------------------------------------------------------------
1870 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1871 dnl -----------------
1872 dnl make ADAFLAGS consistent with CFLAGS
1873 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1874         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1875         case "$CFLAGS" in
1876         (*-g*)
1877                 CF_ADD_ADAFLAGS(-g)
1878                 ;;
1879         esac
1880         case "$CFLAGS" in
1881         (*-O*)
1882                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1883                 CF_ADD_ADAFLAGS($cf_O_flag)
1884                 ;;
1885         esac
1886         AC_MSG_RESULT($ADAFLAGS)
1887 ])dnl
1888 dnl ---------------------------------------------------------------------------
1889 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
1890 dnl --------------
1891 dnl Forget that we saw the given tool.
1892 AC_DEFUN([CF_FORGET_TOOL],[
1893 unset ac_cv_prog_ac_ct_$1
1894 unset ac_ct_$1
1895 unset $1
1896 ])dnl
1897 dnl ---------------------------------------------------------------------------
1898 dnl CF_FUNC_DLSYM version: 4 updated: 2015/09/12 14:46:44
1899 dnl -------------
1900 dnl Test for dlsym() and related functions, as well as libdl.
1901 dnl
1902 dnl Sets
1903 dnl     $cf_have_dlsym
1904 dnl     $cf_have_libdl
1905 AC_DEFUN([CF_FUNC_DLSYM],[
1906 cf_have_dlsym=no
1907 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1908
1909 cf_have_libdl=no
1910 AC_CHECK_LIB(dl,dlsym,[
1911         cf_have_dlsym=yes
1912         cf_have_libdl=yes])])
1913
1914 if test "$cf_have_dlsym" = yes ; then
1915         test "$cf_have_libdl" = yes && { CF_ADD_LIB(dl) }
1916
1917         AC_MSG_CHECKING(whether able to link to dl*() functions)
1918         AC_TRY_LINK([#include <dlfcn.h>],[
1919                 void *obj;
1920                 if ((obj = dlopen("filename", 0)) != 0) {
1921                         if (dlsym(obj, "symbolname") == 0) {
1922                         dlclose(obj);
1923                         }
1924                 }],[
1925                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
1926                 AC_MSG_ERROR(Cannot link test program for libdl)])
1927         AC_MSG_RESULT(ok)
1928 else
1929         AC_MSG_ERROR(Cannot find dlsym function)
1930 fi
1931 ])
1932 dnl ---------------------------------------------------------------------------
1933 dnl CF_FUNC_MEMMOVE version: 9 updated: 2017/01/21 11:06:25
1934 dnl ---------------
1935 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1936 dnl is found, add our own version of memmove to the list of objects.
1937 AC_DEFUN([CF_FUNC_MEMMOVE],
1938 [
1939 AC_CHECK_FUNC(memmove,,[
1940 AC_CHECK_FUNC(bcopy,[
1941         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1942                 AC_TRY_RUN([
1943 int main(void) {
1944         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1945         char temp[40];
1946         bcopy(data, temp, sizeof(data));
1947         bcopy(temp+10, temp, 15);
1948         bcopy(temp+5, temp+15, 10);
1949         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1950 }
1951                 ],
1952                 [cf_cv_good_bcopy=yes],
1953                 [cf_cv_good_bcopy=no],
1954                 [cf_cv_good_bcopy=unknown])
1955                 ])
1956         ],[cf_cv_good_bcopy=no])
1957         if test "$cf_cv_good_bcopy" = yes ; then
1958                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
1959         else
1960                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
1961         fi
1962 ])])dnl
1963 dnl ---------------------------------------------------------------------------
1964 dnl CF_FUNC_NANOSLEEP version: 5 updated: 2017/01/21 11:06:25
1965 dnl -----------------
1966 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1967 dnl AIX 4.x, provide a non-working version.
1968 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1969 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1970 AC_TRY_RUN([
1971 #include <stdio.h>
1972 #include <errno.h>
1973 #include <time.h>
1974
1975 #ifdef HAVE_SYS_TIME_H
1976 #include <sys/time.h>
1977 #endif
1978
1979 int main(void) {
1980         struct timespec ts1, ts2;
1981         int code;
1982         ts1.tv_sec  = 0;
1983         ts1.tv_nsec = 750000000;
1984         ts2.tv_sec  = 0;
1985         ts2.tv_nsec = 0;
1986         errno = 0;
1987         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1988         ${cf_cv_main_return:-return}(code != 0);
1989 }
1990 ],
1991         [cf_cv_func_nanosleep=yes],
1992         [cf_cv_func_nanosleep=no],
1993         [cf_cv_func_nanosleep=unknown])])
1994
1995 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
1996 ])
1997 dnl ---------------------------------------------------------------------------
1998 dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
1999 dnl ---------------
2000 dnl Check for openpty() function, along with <pty.h> header.  It may need the
2001 dnl "util" library as well.
2002 AC_DEFUN([CF_FUNC_OPENPTY],
2003 [
2004 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
2005 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
2006         cf_save_LIBS="$LIBS"
2007         test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
2008         for cf_header in pty.h libutil.h util.h
2009         do
2010         AC_TRY_LINK([
2011 #include <$cf_header>
2012 ],[
2013         int x = openpty((int *)0, (int *)0, (char *)0,
2014                                    (struct termios *)0, (struct winsize *)0);
2015 ],[
2016                 cf_cv_func_openpty=$cf_header
2017                 break
2018 ],[
2019                 cf_cv_func_openpty=no
2020 ])
2021         done
2022         LIBS="$cf_save_LIBS"
2023 ])
2024 ])dnl
2025 dnl ---------------------------------------------------------------------------
2026 dnl CF_FUNC_POLL version: 9 updated: 2015/10/10 13:27:32
2027 dnl ------------
2028 dnl See if the poll function really works.  Some platforms have poll(), but
2029 dnl it does not work for terminals or files.
2030 AC_DEFUN([CF_FUNC_POLL],[
2031 tty 2>&1 >/dev/null || { AC_CHECK_FUNCS(posix_openpt) }
2032 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
2033 AC_TRY_RUN([
2034 #include <stdlib.h>
2035 #include <stdio.h>
2036 #include <unistd.h>
2037 #include <fcntl.h>
2038 #ifdef HAVE_POLL_H
2039 #include <poll.h>
2040 #else
2041 #include <sys/poll.h>
2042 #endif
2043 int main(void) {
2044         struct pollfd myfds;
2045         int ret;
2046
2047         /* check for Darwin bug with respect to "devices" */
2048         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
2049         if (myfds.fd < 0)
2050                 myfds.fd = 0;
2051         myfds.events = POLLIN;
2052         myfds.revents = 0;
2053
2054         ret = poll(&myfds, 1, 100);
2055
2056         if (ret < 0 || (myfds.revents & POLLNVAL)) {
2057                 ret = -1;
2058         } else {
2059                 int fd = 0;
2060                 if (!isatty(fd)) {
2061                         fd = open("/dev/tty", 2);       /* O_RDWR */
2062                 }
2063 #ifdef HAVE_POSIX_OPENPT
2064                 if (fd < 0) {
2065                         fd = posix_openpt(O_RDWR);
2066                 }
2067 #endif
2068
2069                 if (fd >= 0) {
2070                         /* also check with standard input */
2071                         myfds.fd = fd;
2072                         myfds.events = POLLIN;
2073                         myfds.revents = 0;
2074                         ret = poll(&myfds, 1, 100);
2075                 } else {
2076                         ret = -1;
2077                 }
2078         }
2079         ${cf_cv_main_return:-return}(ret < 0);
2080 }],
2081         [cf_cv_working_poll=yes],
2082         [cf_cv_working_poll=no],
2083         [cf_cv_working_poll=unknown])])
2084 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
2085 ])dnl
2086 dnl ---------------------------------------------------------------------------
2087 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
2088 dnl ---------------
2089 dnl Some old/broken variations define tcgetattr() only as a macro in
2090 dnl termio(s).h
2091 AC_DEFUN([CF_FUNC_TERMIOS],[
2092 AC_REQUIRE([CF_STRUCT_TERMIOS])
2093 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
2094 AC_TRY_LINK([
2095 #include <sys/types.h>
2096 #ifdef HAVE_UNISTD_H
2097 #include <unistd.h>
2098 #endif
2099 #ifdef HAVE_TERMIOS_H
2100 #include <termios.h>
2101 #define TTY struct termios
2102 #else
2103 #ifdef HAVE_TERMIO_H
2104 #include <termio.h>
2105 #define TTY struct termio
2106 #endif
2107 #endif
2108 ],[
2109 TTY foo;
2110 tcgetattr(1, &foo);],
2111 [cf_cv_have_tcgetattr=yes],
2112 [cf_cv_have_tcgetattr=no])])
2113 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
2114 ])dnl
2115 dnl ---------------------------------------------------------------------------
2116 dnl CF_FUNC_VSSCANF version: 6 updated: 2015/04/18 08:56:57
2117 dnl ---------------
2118 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
2119 dnl versions of C.  It is in the GNU C library, and can often be simulated by
2120 dnl other functions.
2121 AC_DEFUN([CF_FUNC_VSSCANF],
2122 [
2123 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
2124 AC_TRY_LINK([
2125 #include <stdarg.h>
2126 #include <stdio.h>],[
2127         va_list ap;
2128         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
2129 AC_TRY_LINK([
2130 #include <stdarg.h>
2131 #include <stdio.h>],[
2132         FILE strbuf;
2133         char *str = "from";
2134
2135         strbuf._flag = _IOREAD;
2136         strbuf._ptr = strbuf._base = (unsigned char *) str;
2137         strbuf._cnt = strlen(str);
2138         strbuf._file = _NFILE;
2139         return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
2140 AC_TRY_LINK([
2141 #include <stdarg.h>
2142 #include <stdio.h>],[
2143         FILE strbuf;
2144         char *str = "from";
2145
2146         strbuf._flag = _IOREAD;
2147         strbuf._ptr = strbuf._base = (unsigned char *) str;
2148         strbuf._cnt = strlen(str);
2149         strbuf._file = _NFILE;
2150         return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
2151 cf_cv_func_vsscanf=no])])])])
2152
2153 case $cf_cv_func_vsscanf in
2154 (vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);;
2155 (vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);;
2156 (_doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
2157 esac
2158
2159 ])dnl
2160 dnl ---------------------------------------------------------------------------
2161 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
2162 dnl -----------------
2163 dnl Test for availability of useful gcc __attribute__ directives to quiet
2164 dnl compiler warnings.  Though useful, not all are supported -- and contrary
2165 dnl to documentation, unrecognized directives cause older compilers to barf.
2166 AC_DEFUN([CF_GCC_ATTRIBUTES],
2167 [
2168 if test "$GCC" = yes
2169 then
2170 cat > conftest.i <<EOF
2171 #ifndef GCC_PRINTF
2172 #define GCC_PRINTF 0
2173 #endif
2174 #ifndef GCC_SCANF
2175 #define GCC_SCANF 0
2176 #endif
2177 #ifndef GCC_NORETURN
2178 #define GCC_NORETURN /* nothing */
2179 #endif
2180 #ifndef GCC_UNUSED
2181 #define GCC_UNUSED /* nothing */
2182 #endif
2183 EOF
2184 if test "$GCC" = yes
2185 then
2186         AC_CHECKING([for $CC __attribute__ directives])
2187 cat > conftest.$ac_ext <<EOF
2188 #line __oline__ "${as_me:-configure}"
2189 #include "confdefs.h"
2190 #include "conftest.h"
2191 #include "conftest.i"
2192 #if     GCC_PRINTF
2193 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
2194 #else
2195 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
2196 #endif
2197 #if     GCC_SCANF
2198 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
2199 #else
2200 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
2201 #endif
2202 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
2203 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
2204 extern void foo(void) GCC_NORETURN;
2205 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
2206 EOF
2207         cf_printf_attribute=no
2208         cf_scanf_attribute=no
2209         for cf_attribute in scanf printf unused noreturn
2210         do
2211                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
2212                 cf_directive="__attribute__(($cf_attribute))"
2213                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
2214
2215                 case $cf_attribute in
2216                 (printf)
2217                         cf_printf_attribute=yes
2218                         cat >conftest.h <<EOF
2219 #define GCC_$cf_ATTRIBUTE 1
2220 EOF
2221                         ;;
2222                 (scanf)
2223                         cf_scanf_attribute=yes
2224                         cat >conftest.h <<EOF
2225 #define GCC_$cf_ATTRIBUTE 1
2226 EOF
2227                         ;;
2228                 (*)
2229                         cat >conftest.h <<EOF
2230 #define GCC_$cf_ATTRIBUTE $cf_directive
2231 EOF
2232                         ;;
2233                 esac
2234
2235                 if AC_TRY_EVAL(ac_compile); then
2236                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
2237                         cat conftest.h >>confdefs.h
2238                         case $cf_attribute in
2239                         (noreturn)
2240                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
2241                                 ;;
2242                         (printf)
2243                                 cf_value='/* nothing */'
2244                                 if test "$cf_printf_attribute" != no ; then
2245                                         cf_value='__attribute__((format(printf,fmt,var)))'
2246                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
2247                                 fi
2248                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
2249                                 ;;
2250                         (scanf)
2251                                 cf_value='/* nothing */'
2252                                 if test "$cf_scanf_attribute" != no ; then
2253                                         cf_value='__attribute__((format(scanf,fmt,var)))'
2254                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
2255                                 fi
2256                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
2257                                 ;;
2258                         (unused)
2259                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
2260                                 ;;
2261                         esac
2262                 fi
2263         done
2264 else
2265         fgrep define conftest.i >>confdefs.h
2266 fi
2267 rm -rf conftest*
2268 fi
2269 ])dnl
2270 dnl ---------------------------------------------------------------------------
2271 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
2272 dnl --------------
2273 dnl Find version of gcc
2274 AC_DEFUN([CF_GCC_VERSION],[
2275 AC_REQUIRE([AC_PROG_CC])
2276 GCC_VERSION=none
2277 if test "$GCC" = yes ; then
2278         AC_MSG_CHECKING(version of $CC)
2279         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2280         test -z "$GCC_VERSION" && GCC_VERSION=unknown
2281         AC_MSG_RESULT($GCC_VERSION)
2282 fi
2283 ])dnl
2284 dnl ---------------------------------------------------------------------------
2285 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
2286 dnl ---------------
2287 dnl Check if the compiler supports useful warning options.  There's a few that
2288 dnl we don't use, simply because they're too noisy:
2289 dnl
2290 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2291 dnl     -Wredundant-decls (system headers make this too noisy)
2292 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
2293 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
2294 dnl             is enabled for ncurses using "--enable-const".
2295 dnl     -pedantic
2296 dnl
2297 dnl Parameter:
2298 dnl     $1 is an optional list of gcc warning flags that a particular
2299 dnl             application might want to use, e.g., "no-unused" for
2300 dnl             -Wno-unused
2301 dnl Special:
2302 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2303 dnl
2304 AC_DEFUN([CF_GCC_WARNINGS],
2305 [
2306 AC_REQUIRE([CF_GCC_VERSION])
2307 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2308 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2309
2310 cat > conftest.$ac_ext <<EOF
2311 #line __oline__ "${as_me:-configure}"
2312 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2313 EOF
2314
2315 if test "$INTEL_COMPILER" = yes
2316 then
2317 # The "-wdXXX" options suppress warnings:
2318 # remark #1419: external declaration in primary source file
2319 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2320 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2321 # remark #193: zero used for undefined preprocessing identifier
2322 # remark #593: variable "curs_sb_left_arrow" was set but never used
2323 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2324 # remark #869: parameter "tw" was never referenced
2325 # remark #981: operands are evaluated in unspecified order
2326 # warning #279: controlling expression is constant
2327
2328         AC_CHECKING([for $CC warning options])
2329         cf_save_CFLAGS="$CFLAGS"
2330         EXTRA_CFLAGS="-Wall"
2331         for cf_opt in \
2332                 wd1419 \
2333                 wd1683 \
2334                 wd1684 \
2335                 wd193 \
2336                 wd593 \
2337                 wd279 \
2338                 wd810 \
2339                 wd869 \
2340                 wd981
2341         do
2342                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2343                 if AC_TRY_EVAL(ac_compile); then
2344                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2345                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2346                 fi
2347         done
2348         CFLAGS="$cf_save_CFLAGS"
2349
2350 elif test "$GCC" = yes
2351 then
2352         AC_CHECKING([for $CC warning options])
2353         cf_save_CFLAGS="$CFLAGS"
2354         EXTRA_CFLAGS=
2355         cf_warn_CONST=""
2356         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2357         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2358         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2359         for cf_opt in W Wall \
2360                 Wbad-function-cast \
2361                 Wcast-align \
2362                 Wcast-qual \
2363                 Wdeclaration-after-statement \
2364                 Wextra \
2365                 Winline \
2366                 Wmissing-declarations \
2367                 Wmissing-prototypes \
2368                 Wnested-externs \
2369                 Wpointer-arith \
2370                 Wshadow \
2371                 Wstrict-prototypes \
2372                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
2373         do
2374                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2375                 if AC_TRY_EVAL(ac_compile); then
2376                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2377                         case $cf_opt in
2378                         (Wcast-qual)
2379                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2380                                 ;;
2381                         (Winline)
2382                                 case $GCC_VERSION in
2383                                 ([[34]].*)
2384                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2385                                         continue;;
2386                                 esac
2387                                 ;;
2388                         (Wpointer-arith)
2389                                 case $GCC_VERSION in
2390                                 ([[12]].*)
2391                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2392                                         continue;;
2393                                 esac
2394                                 ;;
2395                         esac
2396                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2397                 fi
2398         done
2399         CFLAGS="$cf_save_CFLAGS"
2400 fi
2401 rm -rf conftest*
2402
2403 AC_SUBST(EXTRA_CFLAGS)
2404 ])dnl
2405 dnl ---------------------------------------------------------------------------
2406 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2407 dnl ----------------
2408 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2409 dnl unistd.h or (nonstandard) in getopt.h
2410 AC_DEFUN([CF_GETOPT_HEADER],
2411 [
2412 AC_HAVE_HEADERS(unistd.h getopt.h)
2413 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2414 cf_cv_getopt_header=none
2415 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2416 do
2417 AC_TRY_COMPILE([
2418 #include <$cf_header>],
2419 [int x = optind; char *y = optarg],
2420 [cf_cv_getopt_header=$cf_header
2421  break])
2422 done
2423 ])
2424 if test $cf_cv_getopt_header != none ; then
2425         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2426 fi
2427 if test $cf_cv_getopt_header = getopt.h ; then
2428         AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2429 fi
2430 ])dnl
2431 dnl ---------------------------------------------------------------------------
2432 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2433 dnl -----------------
2434 AC_DEFUN([CF_GNATPREP_OPT_T],[
2435 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2436 cf_cv_gnatprep_opt_t=no
2437 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2438 ])
2439 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2440 AC_SUBST(GNATPREP_OPTS)
2441 ])dnl
2442 dnl ---------------------------------------------------------------------------
2443 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
2444 dnl ----------------
2445 AC_DEFUN([CF_GNAT_GENERICS],
2446 [
2447 AC_REQUIRE([CF_GNAT_VERSION])
2448
2449 AC_MSG_CHECKING(if GNAT supports generics)
2450 case $cf_gnat_version in
2451 (3.[[1-9]]*|[[4-9]].*)
2452         cf_gnat_generics=yes
2453         ;;
2454 (*)
2455         cf_gnat_generics=no
2456         ;;
2457 esac
2458 AC_MSG_RESULT($cf_gnat_generics)
2459
2460 if test "$cf_gnat_generics" = yes
2461 then
2462         cf_compile_generics=generics
2463         cf_generic_objects="\${GENOBJS}"
2464 else
2465         cf_compile_generics=
2466         cf_generic_objects=
2467 fi
2468
2469 AC_SUBST(cf_compile_generics)
2470 AC_SUBST(cf_generic_objects)
2471 ])dnl
2472 dnl ---------------------------------------------------------------------------
2473 dnl CF_GNAT_PROJECTS version: 9 updated: 2018/01/14 15:46:09
2474 dnl ----------------
2475 dnl GNAT projects are configured with ".gpr" project files.
2476 dnl GNAT libraries are a further development, using the project feature.
2477 AC_DEFUN([CF_GNAT_PROJECTS],
2478 [
2479 AC_REQUIRE([CF_GNAT_VERSION])
2480 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2481
2482 cf_gnat_libraries=no
2483 cf_gnat_projects=no
2484
2485 if test "$enable_gnat_projects" != no ; then
2486 AC_MSG_CHECKING(if GNAT supports project files)
2487 case $cf_gnat_version in
2488 (3.[[0-9]]*)
2489         ;;
2490 (*)
2491         case $cf_cv_system_name in
2492         (cygwin*|msys*)
2493                 ;;
2494         (*)
2495                 rm -rf conftest* *~conftest*
2496                 if mkdir conftest.src conftest.bin conftest.lib
2497                 then
2498                         cd conftest.src
2499                         rm -rf conftest* *~conftest*
2500                         cat >>library.gpr <<CF_EOF
2501 project Library is
2502   Kind := External ("LIB_KIND");
2503   for Library_Name use "ConfTest";
2504   for Object_Dir use ".";
2505   for Library_ALI_Dir use External("LIBRARY_DIR");
2506   for Library_Version use External ("SONAME");
2507   for Library_Kind use Kind;
2508   for Library_Dir use External("BUILD_DIR");
2509   Source_Dir := External ("SOURCE_DIR");
2510   for Source_Dirs use (Source_Dir);
2511 end Library;
2512 CF_EOF
2513                         cat >>confpackage.ads <<CF_EOF
2514 package ConfPackage is
2515    procedure conftest;
2516 end ConfPackage;
2517 CF_EOF
2518                         cat >>confpackage.adb <<CF_EOF
2519 with Text_IO;
2520 package body ConfPackage is
2521    procedure conftest is
2522    begin
2523       Text_IO.Put ("Hello World");
2524       Text_IO.New_Line;
2525    end conftest;
2526 end ConfPackage;
2527 CF_EOF
2528                         if ( $cf_ada_make $ADAFLAGS \
2529                                         -Plibrary.gpr \
2530                                         -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2531                                         -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2532                                         -XSOURCE_DIR=`pwd` \
2533                                         -XSONAME=libConfTest.so.1 \
2534                                         -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2535                                 cf_gnat_projects=yes
2536                         fi
2537                         cd ..
2538                 fi
2539                 if test -f conftest.lib/confpackage.ali
2540                 then
2541                         cf_gnat_libraries=yes
2542                 fi
2543                 rm -rf conftest* *~conftest*
2544                 ;;
2545         esac
2546         ;;
2547 esac
2548 AC_MSG_RESULT($cf_gnat_projects)
2549 fi # enable_gnat_projects
2550
2551 if test $cf_gnat_projects = yes
2552 then
2553         AC_MSG_CHECKING(if GNAT supports libraries)
2554         AC_MSG_RESULT($cf_gnat_libraries)
2555 fi
2556
2557 if test "$cf_gnat_projects" = yes
2558 then
2559         USE_OLD_MAKERULES="#"
2560         USE_GNAT_PROJECTS=""
2561 else
2562         USE_OLD_MAKERULES=""
2563         USE_GNAT_PROJECTS="#"
2564 fi
2565
2566 if test "$cf_gnat_libraries" = yes
2567 then
2568         USE_GNAT_LIBRARIES=""
2569 else
2570         USE_GNAT_LIBRARIES="#"
2571 fi
2572
2573 AC_SUBST(USE_OLD_MAKERULES)
2574 AC_SUBST(USE_GNAT_PROJECTS)
2575 AC_SUBST(USE_GNAT_LIBRARIES)
2576 ])dnl
2577 dnl ---------------------------------------------------------------------------
2578 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2579 dnl --------------
2580 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2581 dnl is noted that gnat may compile a tasking unit even for configurations which
2582 dnl fail at runtime.
2583 AC_DEFUN([CF_GNAT_SIGINT],[
2584 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2585 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2586
2587 package ConfTest is
2588
2589    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2590    pragma Unreserve_All_Interrupts;
2591    pragma Warnings (On);
2592
2593    protected Process is
2594       procedure Stop;
2595       function Continue return Boolean;
2596       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2597    private
2598       Done : Boolean := False;
2599    end Process;
2600
2601 end ConfTest;],
2602 [package body ConfTest is
2603    protected body Process is
2604       procedure Stop is
2605       begin
2606          Done := True;
2607       end Stop;
2608       function Continue return Boolean is
2609       begin
2610          return not Done;
2611       end Continue;
2612    end Process;
2613 end ConfTest;],
2614         [cf_cv_gnat_sigint=yes],
2615         [cf_cv_gnat_sigint=no])])
2616
2617 if test $cf_cv_gnat_sigint = yes ; then
2618         USE_GNAT_SIGINT=""
2619 else
2620         USE_GNAT_SIGINT="#"
2621 fi
2622 AC_SUBST(USE_GNAT_SIGINT)
2623 ])dnl
2624 dnl ---------------------------------------------------------------------------
2625 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2626 dnl ----------------
2627 dnl Verify that a test program compiles/links with GNAT.
2628 dnl $cf_ada_make is set to the program that compiles/links
2629 dnl $ADAFLAGS may be set to the GNAT flags.
2630 dnl
2631 dnl $1 is the text of the spec
2632 dnl $2 is the text of the body
2633 dnl $3 is the shell command to execute if successful
2634 dnl $4 is the shell command to execute if not successful
2635 AC_DEFUN([CF_GNAT_TRY_LINK],
2636 [
2637 rm -rf conftest* *~conftest*
2638 cat >>conftest.ads <<CF_EOF
2639 $1
2640 CF_EOF
2641 cat >>conftest.adb <<CF_EOF
2642 $2
2643 CF_EOF
2644 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2645 ifelse($3,,      :,[      $3])
2646 ifelse($4,,,[else
2647    $4])
2648 fi
2649 rm -rf conftest* *~conftest*
2650 ])dnl
2651 dnl ---------------------------------------------------------------------------
2652 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2653 dnl ---------------
2654 dnl Verify that a test program compiles and runs with GNAT
2655 dnl $cf_ada_make is set to the program that compiles/links
2656 dnl $ADAFLAGS may be set to the GNAT flags.
2657 dnl
2658 dnl $1 is the text of the spec
2659 dnl $2 is the text of the body
2660 dnl $3 is the shell command to execute if successful
2661 dnl $4 is the shell command to execute if not successful
2662 AC_DEFUN([CF_GNAT_TRY_RUN],
2663 [
2664 rm -rf conftest* *~conftest*
2665 cat >>conftest.ads <<CF_EOF
2666 $1
2667 CF_EOF
2668 cat >>conftest.adb <<CF_EOF
2669 $2
2670 CF_EOF
2671 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2672    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2673 ifelse($3,,      :,[      $3])
2674 ifelse($4,,,[   else
2675       $4])
2676    fi
2677 ifelse($4,,,[else
2678    $4])
2679 fi
2680 rm -rf conftest* *~conftest*
2681 ])dnl
2682 dnl ---------------------------------------------------------------------------
2683 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
2684 dnl ---------------
2685 dnl Verify version of GNAT.
2686 AC_DEFUN([CF_GNAT_VERSION],
2687 [
2688 AC_MSG_CHECKING(for gnat version)
2689 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2690         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2691         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2692 AC_MSG_RESULT($cf_gnat_version)
2693
2694 case $cf_gnat_version in
2695 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
2696         cf_cv_prog_gnat_correct=yes
2697         ;;
2698 (*)
2699         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2700         cf_cv_prog_gnat_correct=no
2701         ;;
2702 esac
2703 ])
2704 dnl ---------------------------------------------------------------------------
2705 dnl CF_GNU_SOURCE version: 8 updated: 2018/06/16 19:05:13
2706 dnl -------------
2707 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2708 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2709 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2710 dnl since it is interwoven with GNU extensions.
2711 dnl
2712 dnl Well, yes we could work around it...
2713 dnl
2714 dnl Parameters:
2715 dnl     $1 is the nominal value for _XOPEN_SOURCE
2716 AC_DEFUN([CF_GNU_SOURCE],
2717 [
2718 cf_gnu_xopen_source=ifelse($1,,500,$1)
2719
2720 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
2721 AC_TRY_COMPILE([#include <sys/types.h>],[
2722         #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
2723                 return 0;
2724         #else
2725         #       error not GNU C library
2726         #endif],
2727         [cf_cv_gnu_library=yes],
2728         [cf_cv_gnu_library=no])
2729 ])
2730
2731 if test x$cf_cv_gnu_library = xyes; then
2732
2733         # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
2734         # was changed to help a little...
2735         AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
2736                 cf_save="$CPPFLAGS"
2737                 CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
2738                 AC_TRY_COMPILE([#include <sys/types.h>],[
2739                         #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
2740                                 return 0;
2741                         #else
2742                         #       error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
2743                         #endif],
2744                         [cf_cv_gnu_library_219=yes],
2745                         [cf_cv_gnu_library_219=no])
2746                 CPPFLAGS="$cf_save"
2747         ])
2748
2749         if test "x$cf_cv_gnu_library_219" = xyes; then
2750                 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
2751                         cf_save="$CPPFLAGS"
2752                         CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source"
2753                         AC_TRY_COMPILE([
2754                                 #include <limits.h>
2755                                 #include <sys/types.h>
2756                                 ],[
2757                                 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
2758                                         return 0;
2759                                 #else
2760                                 #       error GNU C library is too old
2761                                 #endif],
2762                                 [cf_cv_gnu_dftsrc_219=yes],
2763                                 [cf_cv_gnu_dftsrc_219=no])
2764                         ])
2765                 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
2766         else
2767                 cf_cv_gnu_dftsrc_219=maybe
2768         fi
2769
2770         if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
2771
2772                 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2773                 AC_TRY_COMPILE([#include <sys/types.h>],[
2774                         #ifndef _XOPEN_SOURCE
2775                         #error  expected _XOPEN_SOURCE to be defined
2776                         #endif],
2777                         [cf_cv_gnu_source=no],
2778                         [cf_save="$CPPFLAGS"
2779                          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2780                          AC_TRY_COMPILE([#include <sys/types.h>],[
2781                                 #ifdef _XOPEN_SOURCE
2782                                 #error  expected _XOPEN_SOURCE to be undefined
2783                                 #endif],
2784                                 [cf_cv_gnu_source=no],
2785                                 [cf_cv_gnu_source=yes])
2786                         CPPFLAGS="$cf_save"
2787                         ])
2788                 ])
2789
2790                 if test "$cf_cv_gnu_source" = yes
2791                 then
2792                 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
2793                         CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2794                         AC_TRY_COMPILE([#include <sys/types.h>],[
2795                                 #ifdef _DEFAULT_SOURCE
2796                                 #error  expected _DEFAULT_SOURCE to be undefined
2797                                 #endif],
2798                                 [cf_cv_default_source=no],
2799                                 [cf_cv_default_source=yes])
2800                         ])
2801                         test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
2802                 fi
2803         fi
2804
2805 fi
2806 ])dnl
2807 dnl ---------------------------------------------------------------------------
2808 dnl CF_GPP_LIBRARY version: 12 updated: 2015/04/17 21:13:04
2809 dnl --------------
2810 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2811 dnl problem :-).  If we have the compiler but no library, we'll be able to
2812 dnl configure, but won't be able to build the c++ demo program.
2813 AC_DEFUN([CF_GPP_LIBRARY],
2814 [
2815 cf_cxx_library=unknown
2816 case $cf_cv_system_name in
2817 (os2*)
2818         cf_gpp_libname=gpp
2819         ;;
2820 (*)
2821         cf_gpp_libname=g++
2822         ;;
2823 esac
2824 if test "$GXX" = yes; then
2825         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2826         cf_save="$LIBS"
2827         CF_ADD_LIB($cf_gpp_libname)
2828         AC_TRY_LINK([
2829 #include <$cf_gpp_libname/builtin.h>
2830         ],
2831         [two_arg_error_handler_t foo2 = lib_error_handler],
2832         [cf_cxx_library=yes
2833          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2834          if test "$cf_gpp_libname" = cpp ; then
2835             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2836          else
2837             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2838          fi],
2839         [AC_TRY_LINK([
2840 #include <builtin.h>
2841         ],
2842         [two_arg_error_handler_t foo2 = lib_error_handler],
2843         [cf_cxx_library=yes
2844          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2845          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2846         [cf_cxx_library=no])])
2847         LIBS="$cf_save"
2848         AC_MSG_RESULT($cf_cxx_library)
2849 fi
2850 ])dnl
2851 dnl ---------------------------------------------------------------------------
2852 dnl CF_GXX_VERSION version: 8 updated: 2017/02/11 14:48:57
2853 dnl --------------
2854 dnl Check for version of g++
2855 AC_DEFUN([CF_GXX_VERSION],[
2856 AC_REQUIRE([AC_PROG_CPP])
2857 GXX_VERSION=none
2858 if test "$GXX" = yes; then
2859         AC_MSG_CHECKING(version of ${CXX:-g++})
2860         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2861         if test -z "$GXX_VERSION"
2862         then
2863                 GXX_VERSION=unknown
2864                 GXX=no
2865         fi
2866         AC_MSG_RESULT($GXX_VERSION)
2867 fi
2868 ])dnl
2869 dnl ---------------------------------------------------------------------------
2870 dnl CF_GXX_WARNINGS version: 9 updated: 2015/04/17 21:13:04
2871 dnl ---------------
2872 dnl Check if the compiler supports useful warning options.
2873 dnl
2874 dnl Most of gcc's options apply to g++, except:
2875 dnl     -Wbad-function-cast
2876 dnl     -Wmissing-declarations
2877 dnl     -Wnested-externs
2878 dnl
2879 dnl Omit a few (for now):
2880 dnl     -Winline
2881 dnl
2882 dnl Parameter:
2883 dnl     $1 is an optional list of g++ warning flags that a particular
2884 dnl             application might want to use, e.g., "no-unused" for
2885 dnl             -Wno-unused
2886 dnl Special:
2887 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2888 dnl
2889 AC_DEFUN([CF_GXX_WARNINGS],
2890 [
2891
2892 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2893 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2894
2895 AC_REQUIRE([CF_GXX_VERSION])
2896
2897 AC_LANG_SAVE
2898 AC_LANG_CPLUSPLUS
2899
2900 cat > conftest.$ac_ext <<EOF
2901 #line __oline__ "configure"
2902 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2903 EOF
2904
2905 if test "$INTEL_CPLUSPLUS" = yes
2906 then
2907 # The "-wdXXX" options suppress warnings:
2908 # remark #1419: external declaration in primary source file
2909 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2910 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2911 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2912 # remark #193: zero used for undefined preprocessing identifier
2913 # remark #593: variable "curs_sb_left_arrow" was set but never used
2914 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2915 # remark #869: parameter "tw" was never referenced
2916 # remark #981: operands are evaluated in unspecified order
2917 # warning #269: invalid format string conversion
2918
2919         AC_CHECKING([for $CC warning options])
2920         cf_save_CXXFLAGS="$CXXFLAGS"
2921         EXTRA_CXXFLAGS="-Wall"
2922         for cf_opt in \
2923                 wd1419 \
2924                 wd1682 \
2925                 wd1683 \
2926                 wd1684 \
2927                 wd193 \
2928                 wd279 \
2929                 wd593 \
2930                 wd810 \
2931                 wd869 \
2932                 wd981
2933         do
2934                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2935                 if AC_TRY_EVAL(ac_compile); then
2936                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2937                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2938                 fi
2939         done
2940         CXXFLAGS="$cf_save_CXXFLAGS"
2941
2942 elif test "$GXX" = yes
2943 then
2944         AC_CHECKING([for $CXX warning options])
2945         cf_save_CXXFLAGS="$CXXFLAGS"
2946         EXTRA_CXXFLAGS="-W -Wall"
2947         cf_gxx_extra_warnings=""
2948         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2949         case "$GCC_VERSION" in
2950         ([[1-2]].*)
2951                 ;;
2952         (*)
2953                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2954                 ;;
2955         esac
2956         for cf_opt in \
2957                 Wabi \
2958                 fabi-version=0 \
2959                 Wextra \
2960                 Wignored-qualifiers \
2961                 Wlogical-op \
2962                 Woverloaded-virtual \
2963                 Wsign-promo \
2964                 Wsynth \
2965                 Wold-style-cast \
2966                 Wcast-align \
2967                 Wcast-qual \
2968                 Wpointer-arith \
2969                 Wshadow \
2970                 Wundef $cf_gxx_extra_warnings $1
2971         do
2972                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2973                 if AC_TRY_EVAL(ac_compile); then
2974                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2975                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2976                 else
2977                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2978                 fi
2979         done
2980         CXXFLAGS="$cf_save_CXXFLAGS"
2981 fi
2982
2983 rm -rf conftest*
2984 AC_LANG_RESTORE
2985 AC_SUBST(EXTRA_CXXFLAGS)
2986 ])dnl
2987 dnl ---------------------------------------------------------------------------
2988 dnl CF_HASHED_DB version: 7 updated: 2015/04/18 08:56:57
2989 dnl ------------
2990 dnl Look for an instance of the Berkeley hashed database.
2991 dnl
2992 dnl $1 = optional parameter, to specify install-prefix for the database.
2993 AC_DEFUN([CF_HASHED_DB],
2994 [
2995 ifelse([$1],,,[
2996 case $1 in
2997 (yes|*able*)
2998         ;;
2999 (*)
3000         if test -d "$1" ; then
3001                 CF_ADD_INCDIR($1/include)
3002                 CF_ADD_LIBDIR($1/lib)
3003         else
3004                 case "$1" in
3005                 (./*|../*|/*)
3006                         AC_MSG_WARN(no such directory $1)
3007                         ;;
3008                 (*)
3009                         CF_FIND_SUB_INCDIR($1)
3010                         CF_FIND_SUB_LIBDIR($1)
3011                         ;;
3012                 esac
3013         fi
3014 esac
3015 ])
3016 AC_CHECK_HEADER(db.h,[
3017 CF_HASHED_DB_VERSION
3018 if test "$cf_cv_hashed_db_version" = unknown ; then
3019         AC_MSG_ERROR(Cannot determine version of db)
3020 else
3021         CF_HASHED_DB_LIBS
3022         if test "$cf_cv_hashed_db_libs" = unknown ; then
3023                 AC_MSG_ERROR(Cannot determine library for db)
3024         elif test "$cf_cv_hashed_db_libs" != default ; then
3025                 CF_ADD_LIB($cf_cv_hashed_db_libs)
3026         fi
3027 fi
3028 ],[
3029         AC_MSG_ERROR(Cannot find db.h)
3030 ])
3031 ])dnl
3032 dnl ---------------------------------------------------------------------------
3033 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
3034 dnl -----------------
3035 dnl Given that we have the header and version for hashed database, find the
3036 dnl library information.
3037 AC_DEFUN([CF_HASHED_DB_LIBS],
3038 [
3039 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
3040 cf_cv_hashed_db_libs=unknown
3041 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
3042 do
3043         cf_save_libs="$LIBS"
3044         if test -n "$cf_db_libs"; then
3045                 CF_ADD_LIB($cf_db_libs)
3046         fi
3047         CF_MSG_LOG(checking for library "$cf_db_libs")
3048         AC_TRY_LINK([
3049 $ac_includes_default
3050 #include <db.h>
3051 ],[
3052         char *path = "/tmp/foo";
3053 #ifdef DB_VERSION_MAJOR
3054 #if DB_VERSION_MAJOR >= 4
3055         DB *result = 0;
3056         db_create(&result, NULL, 0);
3057         result->open(result,
3058                 NULL,
3059                 path,
3060                 path,
3061                 DB_HASH,
3062                 DB_CREATE,
3063                 0644);
3064 #elif DB_VERSION_MAJOR >= 3
3065         DB *result = 0;
3066         db_create(&result, NULL, 0);
3067         result->open(result,
3068                 path,
3069                 path,
3070                 DB_HASH,
3071                 DB_CREATE,
3072                 0644);
3073 #elif DB_VERSION_MAJOR >= 2
3074         DB *result = 0;
3075         db_open(path,
3076                 DB_HASH,
3077                 DB_CREATE,
3078                 0644,
3079                 (DB_ENV *) 0,
3080                 (DB_INFO *) 0,
3081                 &result);
3082 #endif /* DB_VERSION_MAJOR */
3083 #else
3084         DB *result = dbopen(path,
3085                      2,
3086                      0644,
3087                      DB_HASH,
3088                      0);
3089 #endif
3090         ${cf_cv_main_return:-return}(result != 0)
3091 ],[
3092         if test -n "$cf_db_libs" ; then
3093                 cf_cv_hashed_db_libs=$cf_db_libs
3094         else
3095                 cf_cv_hashed_db_libs=default
3096         fi
3097         LIBS="$cf_save_libs"
3098         break
3099 ])
3100         LIBS="$cf_save_libs"
3101 done
3102 ])
3103 ])dnl
3104 dnl ---------------------------------------------------------------------------
3105 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
3106 dnl --------------------
3107 dnl Given that we have the header file for hashed database, find the version
3108 dnl information.
3109 AC_DEFUN([CF_HASHED_DB_VERSION],
3110 [
3111 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
3112 cf_cv_hashed_db_version=unknown
3113
3114 for cf_db_version in 1 2 3 4 5 6
3115 do
3116         CF_MSG_LOG(checking for db version $cf_db_version)
3117         AC_TRY_COMPILE([
3118 $ac_includes_default
3119 #include <db.h>
3120
3121 #ifdef DB_VERSION_MAJOR
3122         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
3123 #if $cf_db_version == DB_VERSION_MAJOR
3124         /* ok */
3125 #else
3126         make an error
3127 #endif
3128 #else
3129 #if $cf_db_version == 1
3130         /* ok: assuming this is DB 1.8.5 */
3131 #else
3132         make an error
3133 #endif
3134 #endif
3135 ],[DBT *foo = 0],[
3136         cf_cv_hashed_db_version=$cf_db_version
3137         break
3138         ])
3139 done
3140 ])
3141 ])dnl
3142 dnl ---------------------------------------------------------------------------
3143 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
3144 dnl --------------
3145 dnl Construct a search-list of directories for a nonstandard header-file
3146 dnl
3147 dnl Parameters
3148 dnl     $1 = the variable to return as result
3149 dnl     $2 = the package name
3150 AC_DEFUN([CF_HEADER_PATH],
3151 [
3152 $1=
3153
3154 # collect the current set of include-directories from compiler flags
3155 cf_header_path_list=""
3156 if test -n "${CFLAGS}${CPPFLAGS}" ; then
3157         for cf_header_path in $CPPFLAGS $CFLAGS
3158         do
3159                 case $cf_header_path in
3160                 (-I*)
3161                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
3162                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
3163                         cf_header_path_list="$cf_header_path_list [$]$1"
3164                         ;;
3165                 esac
3166         done
3167 fi
3168
3169 # add the variations for the package we are looking for
3170 CF_SUBDIR_PATH($1,$2,include)
3171
3172 test "$includedir" != NONE && \
3173 test "$includedir" != "/usr/include" && \
3174 test -d "$includedir" && {
3175         test -d $includedir &&    $1="[$]$1 $includedir"
3176         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
3177 }
3178
3179 test "$oldincludedir" != NONE && \
3180 test "$oldincludedir" != "/usr/include" && \
3181 test -d "$oldincludedir" && {
3182         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
3183         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
3184 }
3185
3186 $1="[$]$1 $cf_header_path_list"
3187 ])dnl
3188 dnl ---------------------------------------------------------------------------
3189 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
3190 dnl ---------------
3191 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
3192 AC_DEFUN([CF_HELP_MESSAGE],
3193 [AC_DIVERT_HELP([$1])dnl
3194 ])dnl
3195 dnl ---------------------------------------------------------------------------
3196 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
3197 dnl ---------------
3198 dnl Construct the list of include-options according to whether we're building
3199 dnl in the source directory or using '--srcdir=DIR' option.
3200 AC_DEFUN([CF_INCLUDE_DIRS],
3201 [
3202 if test "$srcdir" != "."; then
3203         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
3204 fi
3205 CPPFLAGS="-I../include $CPPFLAGS"
3206 if test "$srcdir" != "."; then
3207         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
3208 fi
3209 CPPFLAGS="-I. $CPPFLAGS"
3210 AC_SUBST(CPPFLAGS)
3211 ])dnl
3212 dnl ---------------------------------------------------------------------------
3213 dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51
3214 dnl ---------------
3215 dnl prompt for/fill-in useful install-program options
3216 AC_DEFUN([CF_INSTALL_OPTS],
3217 [
3218 CF_INSTALL_OPT_S
3219 CF_INSTALL_OPT_O
3220 ])dnl
3221 dnl ---------------------------------------------------------------------------
3222 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
3223 dnl ----------------
3224 dnl Almost all "install" programs default to the current user's ownership.
3225 dnl Almost - MINIX is an exception.
3226 AC_DEFUN([CF_INSTALL_OPT_O],
3227 [
3228 AC_MSG_CHECKING(if install needs to be told about ownership)
3229 case `$ac_config_guess` in
3230 (*minix)
3231         with_install_o=yes
3232         ;;
3233 (*)
3234         with_install_o=no
3235         ;;
3236 esac
3237
3238 AC_MSG_RESULT($with_install_o)
3239 if test "x$with_install_o" = xyes
3240 then
3241         INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
3242 else
3243         INSTALL_OPT_O=
3244 fi
3245
3246 AC_SUBST(INSTALL_OPT_O)
3247 ])dnl
3248 dnl ---------------------------------------------------------------------------
3249 dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51
3250 dnl ----------------
3251 dnl By default, we should strip executables which are installed, but leave the
3252 dnl ability to suppress that for unit-testing.
3253 AC_DEFUN([CF_INSTALL_OPT_S],
3254 [
3255 AC_MSG_CHECKING(if you want to install stripped executables)
3256 CF_ARG_DISABLE(stripping,
3257         [  --disable-stripping     do not strip installed executables],
3258         [with_stripping=no],
3259         [with_stripping=yes])
3260 AC_MSG_RESULT($with_stripping)
3261
3262 if test "$with_stripping" = yes
3263 then
3264         INSTALL_OPT_S="-s"
3265 else
3266         INSTALL_OPT_S=
3267 fi
3268 AC_SUBST(INSTALL_OPT_S)
3269 ])dnl
3270 dnl ---------------------------------------------------------------------------
3271 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
3272 dnl -----------------
3273 dnl Check if the given compiler is really the Intel compiler for Linux.  It
3274 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
3275 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
3276 dnl
3277 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
3278 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
3279 dnl the wrappers for gcc and g++ warnings.
3280 dnl
3281 dnl $1 = GCC (default) or GXX
3282 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
3283 dnl $3 = CFLAGS (default) or CXXFLAGS
3284 AC_DEFUN([CF_INTEL_COMPILER],[
3285 AC_REQUIRE([AC_CANONICAL_HOST])
3286 ifelse([$2],,INTEL_COMPILER,[$2])=no
3287
3288 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
3289         case $host_os in
3290         (linux*|gnu*)
3291                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
3292                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
3293                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
3294                 AC_TRY_COMPILE([],[
3295 #ifdef __INTEL_COMPILER
3296 #else
3297 make an error
3298 #endif
3299 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
3300 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
3301 ],[])
3302                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
3303                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
3304                 ;;
3305         esac
3306 fi
3307 ])dnl
3308 dnl ---------------------------------------------------------------------------
3309 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
3310 dnl ----------
3311 dnl Check if we have either a function or macro for 'isascii()'.
3312 AC_DEFUN([CF_ISASCII],
3313 [
3314 AC_MSG_CHECKING(for isascii)
3315 AC_CACHE_VAL(cf_cv_have_isascii,[
3316         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
3317         [cf_cv_have_isascii=yes],
3318         [cf_cv_have_isascii=no])
3319 ])dnl
3320 AC_MSG_RESULT($cf_cv_have_isascii)
3321 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
3322 ])dnl
3323 dnl ---------------------------------------------------------------------------
3324 dnl CF_LARGEFILE version: 10 updated: 2017/01/21 11:06:25
3325 dnl ------------
3326 dnl Add checks for large file support.
3327 AC_DEFUN([CF_LARGEFILE],[
3328 ifdef([AC_FUNC_FSEEKO],[
3329         AC_SYS_LARGEFILE
3330         if test "$enable_largefile" != no ; then
3331         AC_FUNC_FSEEKO
3332
3333         # Normally we would collect these definitions in the config.h,
3334         # but (like _XOPEN_SOURCE), some environments rely on having these
3335         # defined before any of the system headers are included.  Another
3336         # case comes up with C++, e.g., on AIX the compiler compiles the
3337         # header files by themselves before looking at the body files it is
3338         # told to compile.  For ncurses, those header files do not include
3339         # the config.h
3340         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
3341         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
3342         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
3343
3344         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
3345                 AC_TRY_COMPILE([
3346 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
3347 #include <sys/types.h>
3348 #include <dirent.h>
3349                 ],[
3350                 /* if transitional largefile support is setup, this is true */
3351                 extern struct dirent64 * readdir(DIR *);
3352                 struct dirent64 *x = readdir((DIR *)0);
3353                 struct dirent *y = readdir((DIR *)0);
3354                 int z = x - y;
3355                 ],
3356                 [cf_cv_struct_dirent64=yes],
3357                 [cf_cv_struct_dirent64=no])
3358         ])
3359         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
3360         fi
3361 ])
3362 ])
3363 dnl ---------------------------------------------------------------------------
3364 dnl CF_LDFLAGS_STATIC version: 12 updated: 2015/04/18 08:56:57
3365 dnl -----------------
3366 dnl Check for compiler/linker flags used to temporarily force usage of static
3367 dnl libraries.  This depends on the compiler and platform.  Use this to help
3368 dnl ensure that the linker picks up a given library based on its position in
3369 dnl the list of linker options and libraries.
3370 AC_DEFUN([CF_LDFLAGS_STATIC],[
3371
3372 if test "$GCC" = yes ; then
3373         case $cf_cv_system_name in
3374         (OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)
3375                 LDFLAGS_STATIC=
3376                 LDFLAGS_SHARED=
3377                 ;;
3378         (*)     # normally, except when broken
3379                 LDFLAGS_STATIC=-static
3380                 LDFLAGS_SHARED=-dynamic
3381                 ;;
3382         esac
3383 else
3384         case $cf_cv_system_name in
3385         (aix[[4-7]]*)   # from ld manpage
3386                 LDFLAGS_STATIC=-bstatic
3387                 LDFLAGS_SHARED=-bdynamic
3388                 ;;
3389         (hpux*)         # from ld manpage for hpux10.20, hpux11.11
3390                 # We could also use just "archive" and "shared".
3391                 LDFLAGS_STATIC=-Wl,-a,archive_shared
3392                 LDFLAGS_SHARED=-Wl,-a,shared_archive
3393                 ;;
3394         (irix*)         # from ld manpage IRIX64
3395                 LDFLAGS_STATIC=-Bstatic
3396                 LDFLAGS_SHARED=-Bdynamic
3397                 ;;
3398         (osf[[45]]*)    # from ld manpage osf4.0d, osf5.1
3399                 # alternative "-oldstyle_liblookup" (not in cc manpage)
3400                 LDFLAGS_STATIC=-noso
3401                 LDFLAGS_SHARED=-so_archive
3402                 ;;
3403         (solaris2*)
3404                 LDFLAGS_STATIC=-Bstatic
3405                 LDFLAGS_SHARED=-Bdynamic
3406                 ;;
3407         esac
3408 fi
3409
3410 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
3411 then
3412         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
3413
3414         rm -f libconftest.a
3415         cat >conftest.$ac_ext <<EOF
3416 #line __oline__ "configure"
3417 #include <stdio.h>
3418 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3419 EOF
3420         if AC_TRY_EVAL(ac_compile) ; then
3421                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3422                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3423         fi
3424         rm -f conftest.*
3425
3426         cf_save_LIBS="$LIBS"
3427
3428         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3429         AC_TRY_LINK([
3430 #line __oline__ "configure"
3431 #include <stdio.h>
3432 int cf_ldflags_static(FILE *fp);
3433 ],[
3434         return cf_ldflags_static(stdin);
3435 ],[
3436         # some linkers simply ignore the -dynamic
3437         case x`file conftest$ac_exeext 2>/dev/null` in
3438         (*static*)
3439                 cf_ldflags_static=no
3440                 ;;
3441         (*)
3442                 cf_ldflags_static=yes
3443                 ;;
3444         esac
3445 ],[cf_ldflags_static=no])
3446
3447         rm -f libconftest.*
3448         LIBS="$cf_save_LIBS"
3449
3450         AC_MSG_RESULT($cf_ldflags_static)
3451
3452         if test $cf_ldflags_static != yes
3453         then
3454                 LDFLAGS_STATIC=
3455                 LDFLAGS_SHARED=
3456         fi
3457 else
3458         LDFLAGS_STATIC=
3459         LDFLAGS_SHARED=
3460 fi
3461
3462 AC_SUBST(LDFLAGS_STATIC)
3463 AC_SUBST(LDFLAGS_SHARED)
3464 ])
3465 dnl ---------------------------------------------------------------------------
3466 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
3467 dnl ---------------
3468 dnl For the given system and compiler, find the compiler flags to pass to the
3469 dnl loader to use the "rpath" feature.
3470 AC_DEFUN([CF_LD_RPATH_OPT],
3471 [
3472 AC_REQUIRE([CF_CHECK_CACHE])
3473
3474 LD_RPATH_OPT=
3475 AC_MSG_CHECKING(for an rpath option)
3476 case $cf_cv_system_name in
3477 (irix*)
3478         if test "$GCC" = yes; then
3479                 LD_RPATH_OPT="-Wl,-rpath,"
3480         else
3481                 LD_RPATH_OPT="-rpath "
3482         fi
3483         ;;
3484 (linux*|gnu*|k*bsd*-gnu|freebsd*)
3485         LD_RPATH_OPT="-Wl,-rpath,"
3486         ;;
3487 (openbsd[[2-9]].*|mirbsd*)
3488         LD_RPATH_OPT="-Wl,-rpath,"
3489         ;;
3490 (dragonfly*)
3491         LD_RPATH_OPT="-rpath "
3492         ;;
3493 (netbsd*)
3494         LD_RPATH_OPT="-Wl,-rpath,"
3495         ;;
3496 (osf*|mls+*)
3497         LD_RPATH_OPT="-rpath "
3498         ;;
3499 (solaris2*)
3500         LD_RPATH_OPT="-R"
3501         ;;
3502 (*)
3503         ;;
3504 esac
3505 AC_MSG_RESULT($LD_RPATH_OPT)
3506
3507 case "x$LD_RPATH_OPT" in
3508 (x-R*)
3509         AC_MSG_CHECKING(if we need a space after rpath option)
3510         cf_save_LIBS="$LIBS"
3511         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3512         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3513         LIBS="$cf_save_LIBS"
3514         AC_MSG_RESULT($cf_rpath_space)
3515         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3516         ;;
3517 esac
3518 ])dnl
3519 dnl ---------------------------------------------------------------------------
3520 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
3521 dnl ---------------
3522 dnl Construct a search-list of directories for a nonstandard library-file
3523 dnl
3524 dnl Parameters
3525 dnl     $1 = the variable to return as result
3526 dnl     $2 = the package name
3527 AC_DEFUN([CF_LIBRARY_PATH],
3528 [
3529 $1=
3530 cf_library_path_list=""
3531 if test -n "${LDFLAGS}${LIBS}" ; then
3532         for cf_library_path in $LDFLAGS $LIBS
3533         do
3534                 case $cf_library_path in
3535                 (-L*)
3536                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3537                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3538                         cf_library_path_list="$cf_library_path_list [$]$1"
3539                         ;;
3540                 esac
3541         done
3542 fi
3543
3544 CF_SUBDIR_PATH($1,$2,lib)
3545
3546 $1="$cf_library_path_list [$]$1"
3547 ])dnl
3548 dnl ---------------------------------------------------------------------------
3549 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3550 dnl ------------------
3551 AC_DEFUN([CF_LIBTOOL_VERSION],[
3552 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3553 then
3554         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3555 else
3556         cf_cv_libtool_version=
3557 fi
3558 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3559 ])dnl
3560 dnl ---------------------------------------------------------------------------
3561 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
3562 dnl -------------
3563 dnl Compute the library-prefix for the given host system
3564 dnl $1 = variable to set
3565 define([CF_LIB_PREFIX],
3566 [
3567         case $cf_cv_system_name in
3568         (OS/2*|os2*)
3569                 if test "$DFT_LWR_MODEL" = libtool; then
3570                         LIB_PREFIX='lib'
3571                 else
3572                         LIB_PREFIX=''
3573                 fi
3574                 ;;
3575         (*)     LIB_PREFIX='lib'
3576                 ;;
3577         esac
3578 ifelse($1,,,[$1=$LIB_PREFIX])
3579         AC_SUBST(LIB_PREFIX)
3580 ])dnl
3581 dnl ---------------------------------------------------------------------------
3582 dnl CF_LIB_RULES version: 87 updated: 2017/07/26 17:08:35
3583 dnl ------------
3584 dnl Append definitions and rules for the given models to the subdirectory
3585 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3586 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3587 dnl the corresponding makefile to list the models that we'll generate.
3588 dnl
3589 dnl For shared libraries, make a list of symbolic links to construct when
3590 dnl generating each library.  The convention used for Linux is the simplest
3591 dnl one:
3592 dnl     lib<name>.so    ->
3593 dnl     lib<name>.so.<major>    ->
3594 dnl     lib<name>.so.<maj>.<minor>
3595 dnl
3596 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3597 AC_DEFUN([CF_LIB_RULES],
3598 [
3599 cf_prefix=$LIB_PREFIX
3600 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3601
3602 case $cf_cv_shlib_version in
3603 (cygdll|msysdll|mingw)
3604         TINFO_NAME=$TINFO_ARG_SUFFIX
3605         TINFO_SUFFIX=.dll
3606         ;;
3607 esac
3608
3609 if test -n "$TINFO_SUFFIX" ; then
3610         case $TINFO_SUFFIX in
3611         (tw*)
3612                 TINFO_NAME="${TINFO_NAME}tw${EXTRA_SUFFIX}"
3613                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw'$EXTRA_SUFFIX'//'`
3614                 ;;
3615         (t*)
3616                 TINFO_NAME="${TINFO_NAME}t${EXTRA_SUFFIX}"
3617                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t'$EXTRA_SUFFIX'//'`
3618                 ;;
3619         (w*)
3620                 TINFO_NAME="${TINFO_NAME}w${EXTRA_SUFFIX}"
3621                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w'$EXTRA_SUFFIX'//'`
3622                 ;;
3623         esac
3624 fi
3625
3626 for cf_dir in $SRC_SUBDIRS
3627 do
3628         if test ! -d $srcdir/$cf_dir ; then
3629                 continue
3630         elif test -f $srcdir/$cf_dir/modules; then
3631
3632                 SHARED_LIB=
3633                 Libs_To_Make=
3634                 cf_awk_program=
3635                 if test -n "${cf_cv_abi_version}" && test "x${cf_cv_abi_version}" != "x5"
3636                 then
3637                         cf_awk_program="$cf_awk_program\
3638 /deprecated in ABI${cf_cv_abi_version}/ { next; }\
3639 { sub(\"NCURSES([[WT]]+)?\", \"&${cf_cv_abi_version}\"); }\
3640 "
3641                 fi
3642
3643                 if test "x$WILDCARD_SYMS" = xno
3644                 then
3645                         cf_awk_program="$cf_awk_program\
3646 /[[     ]]_\\*;/ { skip=1; next; }\
3647 "
3648                 fi
3649
3650                 if test "x$cf_awk_program" != "x"
3651                 then
3652                         cat >>$cf_dir/Makefile <<CF_EOF
3653
3654 # Generated by CF_LIB_RULES
3655 resulting.map: $UNALTERED_SYMS
3656         $AWK 'BEGIN { skip = 1; last=""; } \
3657 $cf_awk_program \
3658 { if ( last != "" && ( skip == 0 || \[$]\[$]0 !~ /}/ ) ) { print last; }\
3659  skip = 0; last = \[$]\[$]0; } \
3660 END { print last; }' < $UNALTERED_SYMS >\[$]@
3661
3662 distclean::
3663         rm -f resulting.map
3664 CF_EOF
3665                 fi
3666
3667                 for cf_item in $cf_LIST_MODELS
3668                 do
3669                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3670                         cf_libname=$cf_dir
3671                         test "$cf_dir" = c++ && cf_libname=ncurses++
3672                         if test $cf_item = shared ; then
3673                                 if test -n "${LIB_SUFFIX}"
3674                                 then
3675                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3676                                 else
3677                                         cf_shared_suffix="$cf_suffix"
3678                                 fi
3679                                 if test "$cf_cv_do_symlinks" = yes ; then
3680                                         cf_version_name=
3681
3682                                         case "$cf_cv_shlib_version" in
3683                                         (rel)
3684                                                 cf_version_name=REL_VERSION
3685                                                 ;;
3686                                         (abi)
3687                                                 cf_version_name=ABI_VERSION
3688                                                 ;;
3689                                         esac
3690
3691                                         if test -n "$cf_version_name"
3692                                         then
3693                                                 case "$cf_cv_system_name" in
3694                                                 (darwin*)
3695                                                         # "w", etc?
3696                                                         cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3697                                                         ;;
3698                                                 (*)
3699                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3700                                                         ;;
3701                                                 esac
3702                                         fi
3703                                         if test -n "${USE_LIB_SUFFIX}"
3704                                         then
3705                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3706                                         else
3707                                                 cf_shared_suffix="$cf_suffix"
3708                                         fi
3709                                 fi
3710                                 # cygwin needs import library, and has unique naming convention
3711                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3712                                 # use 'cyg' prefix for shared lib.
3713                                 case $cf_cv_shlib_version in
3714                                 (cygdll)
3715                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3716                                         cf_add_lib="../lib/cyg${cf_libname}${cf_cygsuf}"
3717                                         ;;
3718                                 (msysdll)
3719                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3720                                         cf_add_lib="../lib/msys-${cf_libname}${cf_cygsuf}"
3721                                         ;;
3722                                 (mingw)
3723                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3724                                         cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
3725                                         ;;
3726                                 (*)
3727                                         cf_add_lib=
3728                                         ;;
3729                                 esac
3730                                 if test -n "$cf_add_lib"
3731                                 then
3732                                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3733                                         continue
3734                                 fi
3735                         fi
3736                         cf_add_lib="../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3737                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3738                 done
3739
3740                 if test $cf_dir = ncurses ; then
3741                         cf_subsets="$LIB_SUBSETS"
3742                         cf_r_parts="$cf_subsets"