ncurses 5.9 - patch 20120421
[ncurses.git] / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 1998-2011,2012 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 1.611 2012/04/01 00:13:31 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 http://invisible-island.net/autoconf/ for additional information.
39 dnl
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
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_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
66 dnl ------------------
67 dnl Conditionally generate script according to whether we're using a given autoconf.
68 dnl
69 dnl $1 = version to compare against
70 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
71 dnl $3 = code to use if AC_ACVERSION is older than $1.
72 define(CF_ACVERSION_CHECK,
73 [
74 ifdef([m4_version_compare],
75 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
76 [CF_ACVERSION_COMPARE(
77 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
78 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
79 dnl ---------------------------------------------------------------------------
80 dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50
81 dnl --------------------
82 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
83 dnl                      MAJOR2, MINOR2, TERNARY2,
84 dnl                      PRINTABLE2, not FOUND, FOUND)
85 define(CF_ACVERSION_COMPARE,
86 [ifelse(builtin([eval], [$2 < $5]), 1,
87 [ifelse([$8], , ,[$8])],
88 [ifelse([$9], , ,[$9])])])dnl
89 dnl ---------------------------------------------------------------------------
90 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
91 dnl -------------------
92 dnl Construct the list of include-options for the C programs in the Ada95
93 dnl binding.
94 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
95 [
96 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
97 if test "$srcdir" != "."; then
98         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
99 fi
100 if test "$GCC" != yes; then
101         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
102 elif test "$includedir" != "/usr/include"; then
103         if test "$includedir" = '${prefix}/include' ; then
104                 if test $prefix != /usr ; then
105                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
106                 fi
107         else
108                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
109         fi
110 fi
111 AC_SUBST(ACPPFLAGS)
112 ])dnl
113 dnl ---------------------------------------------------------------------------
114 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
115 dnl ---------------
116 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
117 AC_DEFUN([CF_ADD_ADAFLAGS],[
118         ADAFLAGS="$ADAFLAGS $1"
119         AC_SUBST(ADAFLAGS)
120 ])dnl
121 dnl ---------------------------------------------------------------------------
122 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
123 dnl -------------
124 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
125 dnl The second parameter if given makes this macro verbose.
126 dnl
127 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
128 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
129 dnl confused by the quotes (which require backslashes to keep them usable).
130 AC_DEFUN([CF_ADD_CFLAGS],
131 [
132 cf_fix_cppflags=no
133 cf_new_cflags=
134 cf_new_cppflags=
135 cf_new_extra_cppflags=
136
137 for cf_add_cflags in $1
138 do
139 case $cf_fix_cppflags in
140 no)
141         case $cf_add_cflags in #(vi
142         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
143                 case $cf_add_cflags in
144                 -D*)
145                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
146
147                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
148                                 && test -z "${cf_tst_cflags}" \
149                                 && cf_fix_cppflags=yes
150
151                         if test $cf_fix_cppflags = yes ; then
152                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
153                                 continue
154                         elif test "${cf_tst_cflags}" = "\"'" ; then
155                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
156                                 continue
157                         fi
158                         ;;
159                 esac
160                 case "$CPPFLAGS" in
161                 *$cf_add_cflags) #(vi
162                         ;;
163                 *) #(vi
164                         case $cf_add_cflags in #(vi
165                         -D*)
166                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
167                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
168                                 ;;
169                         esac
170                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
171                         ;;
172                 esac
173                 ;;
174         *)
175                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
176                 ;;
177         esac
178         ;;
179 yes)
180         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
181
182         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
183
184         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
185                 && test -z "${cf_tst_cflags}" \
186                 && cf_fix_cppflags=no
187         ;;
188 esac
189 done
190
191 if test -n "$cf_new_cflags" ; then
192         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
193         CFLAGS="$CFLAGS $cf_new_cflags"
194 fi
195
196 if test -n "$cf_new_cppflags" ; then
197         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
198         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
199 fi
200
201 if test -n "$cf_new_extra_cppflags" ; then
202         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
203         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
204 fi
205
206 AC_SUBST(EXTRA_CPPFLAGS)
207
208 ])dnl
209 dnl ---------------------------------------------------------------------------
210 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
211 dnl -------------
212 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
213 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
214 dnl but old versions (and some misinstalled ones) need that.  To make things
215 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
216 dnl the include-path).
217 AC_DEFUN([CF_ADD_INCDIR],
218 [
219 if test -n "$1" ; then
220   for cf_add_incdir in $1
221   do
222         while test $cf_add_incdir != /usr/include
223         do
224           if test -d $cf_add_incdir
225           then
226                 cf_have_incdir=no
227                 if test -n "$CFLAGS$CPPFLAGS" ; then
228                   # a loop is needed to ensure we can add subdirs of existing dirs
229                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
230                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
231                           cf_have_incdir=yes; break
232                         fi
233                   done
234                 fi
235
236                 if test "$cf_have_incdir" = no ; then
237                   if test "$cf_add_incdir" = /usr/local/include ; then
238                         if test "$GCC" = yes
239                         then
240                           cf_save_CPPFLAGS=$CPPFLAGS
241                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
242                           AC_TRY_COMPILE([#include <stdio.h>],
243                                   [printf("Hello")],
244                                   [],
245                                   [cf_have_incdir=yes])
246                           CPPFLAGS=$cf_save_CPPFLAGS
247                         fi
248                   fi
249                 fi
250
251                 if test "$cf_have_incdir" = no ; then
252                   CF_VERBOSE(adding $cf_add_incdir to include-path)
253                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
254
255                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
256                   test "$cf_top_incdir" = "$cf_add_incdir" && break
257                   cf_add_incdir="$cf_top_incdir"
258                 else
259                   break
260                 fi
261           fi
262         done
263   done
264 fi
265 ])dnl
266 dnl ---------------------------------------------------------------------------
267 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
268 dnl ----------
269 dnl Add a library, used to enforce consistency.
270 dnl
271 dnl $1 = library to add, without the "-l"
272 dnl $2 = variable to update (default $LIBS)
273 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
274 dnl ---------------------------------------------------------------------------
275 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
276 dnl -------------
277 dnl     Adds to the library-path
278 dnl
279 dnl     Some machines have trouble with multiple -L options.
280 dnl
281 dnl $1 is the (list of) directory(s) to add
282 dnl $2 is the optional name of the variable to update (default LDFLAGS)
283 dnl
284 AC_DEFUN([CF_ADD_LIBDIR],
285 [
286 if test -n "$1" ; then
287   for cf_add_libdir in $1
288   do
289     if test $cf_add_libdir = /usr/lib ; then
290       :
291     elif test -d $cf_add_libdir
292     then
293       cf_have_libdir=no
294       if test -n "$LDFLAGS$LIBS" ; then
295         # a loop is needed to ensure we can add subdirs of existing dirs
296         for cf_test_libdir in $LDFLAGS $LIBS ; do
297           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
298             cf_have_libdir=yes; break
299           fi
300         done
301       fi
302       if test "$cf_have_libdir" = no ; then
303         CF_VERBOSE(adding $cf_add_libdir to library-path)
304         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
305       fi
306     fi
307   done
308 fi
309 ])dnl
310 dnl ---------------------------------------------------------------------------
311 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
312 dnl -----------
313 dnl Add one or more libraries, used to enforce consistency.
314 dnl
315 dnl $1 = libraries to add, with the "-l", etc.
316 dnl $2 = variable to update (default $LIBS)
317 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
318 dnl ---------------------------------------------------------------------------
319 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
320 dnl ------------------
321 dnl Append to a search-list for a nonstandard header/lib-file
322 dnl     $1 = the variable to return as result
323 dnl     $2 = the package name
324 dnl     $3 = the subdirectory, e.g., bin, include or lib
325 dnl $4 = the directory under which we will test for subdirectories
326 dnl $5 = a directory that we do not want $4 to match
327 AC_DEFUN([CF_ADD_SUBDIR_PATH],
328 [
329 test "$4" != "$5" && \
330 test -d "$4" && \
331 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
332         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
333         test -d $4/$3 &&          $1="[$]$1 $4/$3"
334         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
335         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
336         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
337         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
338 }
339 ])dnl
340 dnl ---------------------------------------------------------------------------
341 dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
342 dnl ----------------
343 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
344 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
345 AC_DEFUN([CF_ANSI_CC_CHECK],
346 [
347 # This should have been defined by AC_PROG_CC
348 : ${CC:=cc}
349
350 # Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
351 # into CC.  This will not help with broken scripts that wrap the compiler with
352 # options, but eliminates a more common category of user confusion.
353 AC_MSG_CHECKING(\$CC variable)
354 case "$CC" in #(vi
355 *[[\ \  ]]-[[IUD]]*)
356         AC_MSG_RESULT(broken)
357         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
358         # humor him...
359         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
360         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
361         CF_ADD_CFLAGS($cf_flags)
362         ;;
363 *)
364         AC_MSG_RESULT(ok)
365         ;;
366 esac
367
368 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
369 cf_cv_ansi_cc=no
370 cf_save_CFLAGS="$CFLAGS"
371 cf_save_CPPFLAGS="$CPPFLAGS"
372 # Don't try gcc -ansi; that turns off useful extensions and
373 # breaks some systems' header files.
374 # AIX                   -qlanglvl=ansi
375 # Ultrix and OSF/1      -std1
376 # HP-UX                 -Aa -D_HPUX_SOURCE
377 # SVR4                  -Xc
378 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
379 for cf_arg in "-DCC_HAS_PROTOS" \
380         "" \
381         -qlanglvl=ansi \
382         -std1 \
383         -Ae \
384         "-Aa -D_HPUX_SOURCE" \
385         -Xc
386 do
387         CF_ADD_CFLAGS($cf_arg)
388         AC_TRY_COMPILE(
389 [
390 #ifndef CC_HAS_PROTOS
391 #if !defined(__STDC__) || (__STDC__ != 1)
392 choke me
393 #endif
394 #endif
395 ],[
396         int test (int i, double x);
397         struct s1 {int (*f) (int a);};
398         struct s2 {int (*f) (double a);};],
399         [cf_cv_ansi_cc="$cf_arg"; break])
400 done
401 CFLAGS="$cf_save_CFLAGS"
402 CPPFLAGS="$cf_save_CPPFLAGS"
403 ])
404
405 if test "$cf_cv_ansi_cc" != "no"; then
406 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
407         CF_ADD_CFLAGS($cf_cv_ansi_cc)
408 else
409         AC_DEFINE(CC_HAS_PROTOS)
410 fi
411 fi
412 ])dnl
413 dnl ---------------------------------------------------------------------------
414 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
415 dnl ---------------
416 dnl For programs that must use an ANSI compiler, obtain compiler options that
417 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
418 dnl macros, since tools such as unproto can fake prototypes, but only part of
419 dnl the preprocessor.
420 AC_DEFUN([CF_ANSI_CC_REQD],
421 [AC_REQUIRE([CF_ANSI_CC_CHECK])
422 if test "$cf_cv_ansi_cc" = "no"; then
423         AC_MSG_ERROR(
424 [Your compiler does not appear to recognize prototypes.
425 You have the following choices:
426         a. adjust your compiler options
427         b. get an up-to-date compiler
428         c. use a wrapper such as unproto])
429 fi
430 ])dnl
431 dnl ---------------------------------------------------------------------------
432 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
433 dnl --------------
434 dnl Allow user to disable a normally-on option.
435 AC_DEFUN([CF_ARG_DISABLE],
436 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
437 dnl ---------------------------------------------------------------------------
438 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
439 dnl -------------
440 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
441 dnl values.
442 dnl
443 dnl Parameters:
444 dnl $1 = option name
445 dnl $2 = help-string
446 dnl $3 = action to perform if option is not default
447 dnl $4 = action if perform if option is default
448 dnl $5 = default option value (either 'yes' or 'no')
449 AC_DEFUN([CF_ARG_OPTION],
450 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
451   if test "$enableval" != "$5" ; then
452 ifelse([$3],,[    :]dnl
453 ,[    $3]) ifelse([$4],,,[
454   else
455     $4])
456   fi],[enableval=$5 ifelse([$4],,,[
457   $4
458 ])dnl
459   ])])dnl
460 dnl ---------------------------------------------------------------------------
461 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
462 dnl -----------
463 dnl Check for suitable "ar" (archiver) options for updating an archive.
464 AC_DEFUN([CF_AR_FLAGS],[
465 AC_REQUIRE([CF_PROG_AR])
466
467 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
468         cf_cv_ar_flags=unknown
469         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
470         do
471
472                 # check if $ARFLAGS already contains this choice
473                 if test "x$ARFLAGS" != "x" ; then
474                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
475                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
476                                 cf_cv_ar_flags=
477                                 break
478                         fi
479                 fi
480
481                 rm -f conftest.$ac_cv_objext
482                 rm -f conftest.a
483
484                 cat >conftest.$ac_ext <<EOF
485 #line __oline__ "configure"
486 int     testdata[[3]] = { 123, 456, 789 };
487 EOF
488                 if AC_TRY_EVAL(ac_compile) ; then
489                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
490                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
491                         if test -f conftest.a ; then
492                                 cf_cv_ar_flags=$cf_ar_flags
493                                 break
494                         fi
495                 else
496                         CF_VERBOSE(cannot compile test-program)
497                         break
498                 fi
499         done
500         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
501 ])
502
503 if test -n "$ARFLAGS" ; then
504         if test -n "$cf_cv_ar_flags" ; then
505                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
506         fi
507 else
508         ARFLAGS=$cf_cv_ar_flags
509 fi
510
511 AC_SUBST(ARFLAGS)
512 ])
513 dnl ---------------------------------------------------------------------------
514 dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
515 dnl -----------------
516 dnl Check if awk can handle big strings using printf.  Some older versions of
517 dnl awk choke on large strings passed via "%s".
518 dnl
519 dnl $1 = desired string size
520 dnl $2 = variable to set with result
521 AC_DEFUN([CF_AWK_BIG_PRINTF],
522 [
523         case x$AWK in #(vi
524         x)
525                 eval $2=no
526                 ;;
527         *) #(vi
528                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
529                         | $AWK '{ printf "%d\n", length([$]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
530                         eval $2=yes
531                 else
532                         eval $2=no
533                 fi
534                 ;;
535         esac
536 ])dnl
537 dnl ---------------------------------------------------------------------------
538 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
539 dnl ------------
540 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
541 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
542 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
543 dnl
544 dnl Treat the configuration-variable specially here, since we're directly
545 dnl substituting its value (i.e., 1/0).
546 dnl
547 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
548 AC_DEFUN([CF_BOOL_DECL],
549 [
550 AC_MSG_CHECKING(if we should include stdbool.h)
551
552 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
553         AC_TRY_COMPILE([],[bool foo = false],
554                 [cf_cv_header_stdbool_h=0],
555                 [AC_TRY_COMPILE([
556 #ifndef __BEOS__
557 #include <stdbool.h>
558 #endif
559 ],[bool foo = false],
560                         [cf_cv_header_stdbool_h=1],
561                         [cf_cv_header_stdbool_h=0])])])
562
563 if test "$cf_cv_header_stdbool_h" = 1
564 then    AC_MSG_RESULT(yes)
565 else    AC_MSG_RESULT(no)
566 fi
567
568 AC_MSG_CHECKING([for builtin bool type])
569
570 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
571         AC_TRY_COMPILE([
572 #include <stdio.h>
573 #include <sys/types.h>
574 ],[bool x = false],
575                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
576                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
577         ])
578
579 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
580 then    AC_MSG_RESULT(yes)
581 else    AC_MSG_RESULT(no)
582 fi
583 ])dnl
584 dnl ---------------------------------------------------------------------------
585 dnl CF_BOOL_SIZE version: 12 updated: 2006/12/16 12:33:30
586 dnl ------------
587 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
588 dnl Don't bother looking for bool.h, since it's been deprecated.
589 dnl
590 dnl If the current compiler is C rather than C++, we get the bool definition
591 dnl from <stdbool.h>.
592 AC_DEFUN([CF_BOOL_SIZE],
593 [
594 AC_MSG_CHECKING([for size of bool])
595 AC_CACHE_VAL(cf_cv_type_of_bool,[
596         rm -f cf_test.out
597         AC_TRY_RUN([
598 #include <stdlib.h>
599 #include <stdio.h>
600
601 #if defined(__cplusplus)
602
603 #ifdef HAVE_GXX_BUILTIN_H
604 #include <g++/builtin.h>
605 #elif HAVE_GPP_BUILTIN_H
606 #include <gpp/builtin.h>
607 #elif HAVE_BUILTIN_H
608 #include <builtin.h>
609 #endif
610
611 #else
612
613 #if $cf_cv_header_stdbool_h
614 #include <stdbool.h>
615 #endif
616
617 #endif
618
619 main()
620 {
621         FILE *fp = fopen("cf_test.out", "w");
622         if (fp != 0) {
623                 bool x = true;
624                 if ((bool)(-x) >= 0)
625                         fputs("unsigned ", fp);
626                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
627                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
628                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
629                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
630                 fclose(fp);
631         }
632         ${cf_cv_main_return:-return}(0);
633 }
634                 ],
635                 [cf_cv_type_of_bool=`cat cf_test.out`
636                  if test -z "$cf_cv_type_of_bool"; then
637                    cf_cv_type_of_bool=unknown
638                  fi],
639                 [cf_cv_type_of_bool=unknown],
640                 [cf_cv_type_of_bool=unknown])
641         ])
642         rm -f cf_test.out
643 AC_MSG_RESULT($cf_cv_type_of_bool)
644 if test "$cf_cv_type_of_bool" = unknown ; then
645         case .$NCURSES_BOOL in #(vi
646         .auto|.) NCURSES_BOOL=unsigned;;
647         esac
648         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
649         cf_cv_type_of_bool=$NCURSES_BOOL
650 fi
651 ])dnl
652 dnl ---------------------------------------------------------------------------
653 dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
654 dnl -----------
655 dnl If we're cross-compiling, allow the user to override the tools and their
656 dnl options.  The configure script is oriented toward identifying the host
657 dnl compiler, etc., but we need a build compiler to generate parts of the
658 dnl source.
659 dnl
660 dnl $1 = default for $CPPFLAGS
661 dnl $2 = default for $LIBS
662 AC_DEFUN([CF_BUILD_CC],[
663 AC_REQUIRE([CF_PROG_EXT])
664 if test "$cross_compiling" = yes ; then
665
666         # defaults that we might want to override
667         : ${BUILD_CFLAGS:=''}
668         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
669         : ${BUILD_LDFLAGS:=''}
670         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
671         : ${BUILD_EXEEXT:='$x'}
672         : ${BUILD_OBJEXT:='o'}
673
674         AC_ARG_WITH(build-cc,
675                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
676                 [BUILD_CC="$withval"],
677                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
678         AC_MSG_CHECKING(for native build C compiler)
679         AC_MSG_RESULT($BUILD_CC)
680
681         AC_MSG_CHECKING(for native build C preprocessor)
682         AC_ARG_WITH(build-cpp,
683                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
684                 [BUILD_CPP="$withval"],
685                 [BUILD_CPP='${BUILD_CC} -E'])
686         AC_MSG_RESULT($BUILD_CPP)
687
688         AC_MSG_CHECKING(for native build C flags)
689         AC_ARG_WITH(build-cflags,
690                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
691                 [BUILD_CFLAGS="$withval"])
692         AC_MSG_RESULT($BUILD_CFLAGS)
693
694         AC_MSG_CHECKING(for native build C preprocessor-flags)
695         AC_ARG_WITH(build-cppflags,
696                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
697                 [BUILD_CPPFLAGS="$withval"])
698         AC_MSG_RESULT($BUILD_CPPFLAGS)
699
700         AC_MSG_CHECKING(for native build linker-flags)
701         AC_ARG_WITH(build-ldflags,
702                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
703                 [BUILD_LDFLAGS="$withval"])
704         AC_MSG_RESULT($BUILD_LDFLAGS)
705
706         AC_MSG_CHECKING(for native build linker-libraries)
707         AC_ARG_WITH(build-libs,
708                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
709                 [BUILD_LIBS="$withval"])
710         AC_MSG_RESULT($BUILD_LIBS)
711
712         # this assumes we're on Unix.
713         BUILD_EXEEXT=
714         BUILD_OBJEXT=o
715
716         : ${BUILD_CC:='${CC}'}
717
718         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
719                 AC_MSG_ERROR([Cross-build requires two compilers.
720 Use --with-build-cc to specify the native compiler.])
721         fi
722
723 else
724         : ${BUILD_CC:='${CC}'}
725         : ${BUILD_CPP:='${CPP}'}
726         : ${BUILD_CFLAGS:='${CFLAGS}'}
727         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
728         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
729         : ${BUILD_LIBS:='${LIBS}'}
730         : ${BUILD_EXEEXT:='$x'}
731         : ${BUILD_OBJEXT:='o'}
732 fi
733
734 AC_SUBST(BUILD_CC)
735 AC_SUBST(BUILD_CPP)
736 AC_SUBST(BUILD_CFLAGS)
737 AC_SUBST(BUILD_CPPFLAGS)
738 AC_SUBST(BUILD_LDFLAGS)
739 AC_SUBST(BUILD_LIBS)
740 AC_SUBST(BUILD_EXEEXT)
741 AC_SUBST(BUILD_OBJEXT)
742 ])dnl
743 dnl ---------------------------------------------------------------------------
744 dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
745 dnl ---------------
746 dnl Determine the default configuration into which we'll install ncurses.  This
747 dnl can be overridden by the user's command-line options.  There's two items to
748 dnl look for:
749 dnl     1. the prefix (e.g., /usr)
750 dnl     2. the header files (e.g., /usr/include/ncurses)
751 dnl We'll look for a previous installation of ncurses and use the same defaults.
752 dnl
753 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
754 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
755 dnl programs from a vendor's.
756 AC_DEFUN([CF_CFG_DEFAULTS],
757 [
758 AC_MSG_CHECKING(for prefix)
759 if test "x$prefix" = "xNONE" ; then
760         case "$cf_cv_system_name" in
761                 # non-vendor systems don't have a conflict
762         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
763                 prefix=/usr
764                 ;;
765         *)      prefix=$ac_default_prefix
766                 ;;
767         esac
768 fi
769 AC_MSG_RESULT($prefix)
770
771 if test "x$prefix" = "xNONE" ; then
772 AC_MSG_CHECKING(for default include-directory)
773 test -n "$verbose" && echo 1>&AC_FD_MSG
774 for cf_symbol in \
775         $includedir \
776         $includedir/ncurses \
777         $prefix/include \
778         $prefix/include/ncurses \
779         /usr/local/include \
780         /usr/local/include/ncurses \
781         /usr/include \
782         /usr/include/ncurses
783 do
784         cf_dir=`eval echo $cf_symbol`
785         if test -f $cf_dir/curses.h ; then
786         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
787                 includedir="$cf_symbol"
788                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
789                 break
790         fi
791         fi
792         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
793 done
794 AC_MSG_RESULT($includedir)
795 fi
796 ])dnl
797 dnl ---------------------------------------------------------------------------
798 dnl CF_CGETENT version: 4 updated: 2011/08/07 14:54:41
799 dnl ----------
800 dnl Check if the terminal-capability database functions are available.  If not,
801 dnl ncurses has a much-reduced version.
802 AC_DEFUN([CF_CGETENT],[
803 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
804 AC_TRY_LINK([
805 #include <stdlib.h>],[
806         char temp[128];
807         char *buf = temp;
808         char *db_array = temp;
809         cgetent(&buf, &db_array, "vt100");
810         cgetcap(buf, "tc", '=');
811         cgetmatch(buf, "tc");
812         ],
813         [cf_cv_cgetent=yes],
814         [cf_cv_cgetent=no])
815 ])
816
817 if test "$cf_cv_cgetent" = yes
818 then
819         AC_DEFINE(HAVE_BSD_CGETENT)
820 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
821 AC_TRY_LINK([
822 #include <stdlib.h>],[
823         char temp[128];
824         char *buf = temp;
825 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
826         const char *db_array = temp;
827         cgetent(&buf, &db_array, "vt100");
828 #endif
829         cgetcap(buf, "tc", '=');
830         cgetmatch(buf, "tc");
831         ],
832         [cf_cv_cgetent_const=yes],
833         [cf_cv_cgetent_const=no])
834 ])
835         if test "$cf_cv_cgetent_const" = yes
836         then
837                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const)
838         fi
839 fi
840 ])dnl
841 dnl ---------------------------------------------------------------------------
842 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
843 dnl --------------
844 dnl Check if we're accidentally using a cache from a different machine.
845 dnl Derive the system name, as a check for reusing the autoconf cache.
846 dnl
847 dnl If we've packaged config.guess and config.sub, run that (since it does a
848 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
849 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
850 dnl which is useful in cross-compiles.
851 dnl
852 dnl Note: we would use $ac_config_sub, but that is one of the places where
853 dnl autoconf 2.5x broke compatibility with autoconf 2.13
854 AC_DEFUN([CF_CHECK_CACHE],
855 [
856 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
857         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
858         system_name="$host_os"
859 else
860         system_name="`(uname -s -r) 2>/dev/null`"
861         if test -z "$system_name" ; then
862                 system_name="`(hostname) 2>/dev/null`"
863         fi
864 fi
865 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
866 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
867
868 test -z "$system_name" && system_name="$cf_cv_system_name"
869 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
870
871 if test ".$system_name" != ".$cf_cv_system_name" ; then
872         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
873         AC_MSG_ERROR("Please remove config.cache and try again.")
874 fi
875 ])dnl
876 dnl ---------------------------------------------------------------------------
877 dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
878 dnl --------------
879 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
880 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
881 dnl ourselves.
882 dnl
883 dnl $1 = the name to check
884 dnl $2 = the assumed type
885 AC_DEFUN([CF_CHECK_ERRNO],
886 [
887 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
888     AC_TRY_COMPILE([
889 #ifdef HAVE_STDLIB_H
890 #include <stdlib.h>
891 #endif
892 #include <stdio.h>
893 #include <sys/types.h>
894 #include <errno.h> ],
895     ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
896     [cf_cv_dcl_$1=yes],
897     [cf_cv_dcl_$1=no])
898 ])
899
900 if test "$cf_cv_dcl_$1" = no ; then
901     CF_UPPER(cf_result,decl_$1)
902     AC_DEFINE_UNQUOTED($cf_result)
903 fi
904
905 # It's possible (for near-UNIX clones) that the data doesn't exist
906 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
907 ])dnl
908 dnl ---------------------------------------------------------------------------
909 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
910 dnl --------------------
911 dnl Check for existence of external data in the current set of libraries.  If
912 dnl we can modify it, it's real enough.
913 dnl $1 = the name to check
914 dnl $2 = its type
915 AC_DEFUN([CF_CHECK_EXTERN_DATA],
916 [
917 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
918     AC_TRY_LINK([
919 #undef $1
920 extern $2 $1;
921 ],
922     [$1 = 2],
923     [cf_cv_have_$1=yes],
924     [cf_cv_have_$1=no])
925 ])
926
927 if test "$cf_cv_have_$1" = yes ; then
928     CF_UPPER(cf_result,have_$1)
929     AC_DEFINE_UNQUOTED($cf_result)
930 fi
931
932 ])dnl
933 dnl ---------------------------------------------------------------------------
934 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
935 dnl -------------------
936 dnl Check if GPM is already linked with curses.  If so - and if the linkage
937 dnl is not "weak" - warn about this because it can create problems linking
938 dnl applications with ncurses.
939 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
940 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
941
942 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
943 cf_cv_check_gpm_wgetch=unknown
944 if test "$cross_compiling" != yes ; then
945
946 cat >conftest.$ac_ext <<CF_EOF
947 #include <gpm.h>
948 int main()
949 {
950         Gpm_Wgetch();
951         ${cf_cv_main_return:-return}(0);
952 }
953 CF_EOF
954
955         cf_save_LIBS="$LIBS"
956         # This only works if we can look at the symbol table.  If a shared
957         # library is stripped for install, we cannot use that.  So we're forced
958         # to rely on the static library, noting that some packagers may not
959         # include it.
960         LIBS="-static -lgpm -dynamic $LIBS"
961         if AC_TRY_EVAL(ac_compile) ; then
962                 if AC_TRY_EVAL(ac_link) ; then
963                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
964                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
965                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
966                 fi
967         fi
968         rm -rf conftest*
969         LIBS="$cf_save_LIBS"
970 fi
971 ])
972
973 if test "$cf_cv_check_gpm_wgetch" != yes ; then
974         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
975 fi
976 ])])dnl
977 dnl ---------------------------------------------------------------------------
978 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
979 dnl ----------------
980 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
981 AC_DEFUN([CF_CHECK_WCHAR_H],[
982 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
983 AC_TRY_COMPILE(
984 [
985 #include <stdlib.h>
986 #include <wchar.h>
987 ],[
988         wint_t foo = 0;
989         int bar = iswpunct(foo)],
990         [cf_cv_wchar_h_okay=yes],
991         [cf_cv_wchar_h_okay=no])])
992
993 if test $cf_cv_wchar_h_okay = no
994 then
995         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
996 fi
997 ])dnl
998 dnl ---------------------------------------------------------------------------
999 dnl CF_CPP_PARAM_INIT version: 5 updated: 2011/12/03 16:54:03
1000 dnl -----------------
1001 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1002 dnl is a late feature for the standard and is not in some recent compilers
1003 dnl (1999/9/11).
1004 AC_DEFUN([CF_CPP_PARAM_INIT],
1005 [
1006 if test -n "$CXX"; then
1007 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1008         AC_LANG_SAVE
1009         AC_LANG_CPLUSPLUS
1010         AC_TRY_RUN([
1011 class TEST {
1012 private:
1013         int value;
1014 public:
1015         TEST(int x = 1);
1016         ~TEST();
1017 };
1018
1019 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1020 {
1021         value = x;
1022 }
1023 int main() { }
1024 ],
1025         [cf_cv_cpp_param_init=yes],
1026         [cf_cv_cpp_param_init=no],
1027         [cf_cv_cpp_param_init=unknown])
1028         AC_LANG_RESTORE
1029 ])
1030 fi
1031 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
1032 ])dnl
1033 dnl ---------------------------------------------------------------------------
1034 dnl CF_CPP_STATIC_CAST version: 1 updated: 2005/07/23 16:52:43
1035 dnl ------------------
1036 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1037 dnl not be supported in g++ before 3.0
1038 AC_DEFUN([CF_CPP_STATIC_CAST],
1039 [
1040 if test -n "$CXX"; then
1041
1042 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1043         AC_LANG_SAVE
1044         AC_LANG_CPLUSPLUS
1045
1046         AC_TRY_COMPILE([
1047 class NCursesPanel
1048 {
1049 public:
1050   NCursesPanel(int nlines,
1051                int ncols,
1052                int begin_y = 0,
1053                int begin_x = 0)
1054   {
1055   }
1056
1057   ~NCursesPanel();
1058 };
1059
1060 template<class T> class NCursesUserPanel : public NCursesPanel
1061 {
1062 public:
1063   NCursesUserPanel (int nlines,
1064                     int ncols,
1065                     int begin_y = 0,
1066                     int begin_x = 0,
1067                     const T* p_UserData = static_cast<T*>(0))
1068     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1069   {
1070   };
1071   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1072   {
1073   };
1074
1075   virtual ~NCursesUserPanel() {};
1076 };
1077 ],[
1078         const char* p_UserData = static_cast<char*>(0)],
1079         [cf_cv_cpp_static_cast=yes],
1080         [cf_cv_cpp_static_cast=no])
1081
1082         AC_LANG_RESTORE
1083 ])
1084
1085 fi
1086
1087 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
1088 ])dnl
1089 dnl ---------------------------------------------------------------------------
1090 dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
1091 dnl ---------------
1092 dnl Setup special archiver flags for given compilers.
1093 AC_DEFUN([CF_CXX_AR_FLAGS],[
1094         CXX_AR='$(AR)'
1095         CXX_ARFLAGS='$(ARFLAGS)'
1096         case $cf_cv_system_name in #(vi
1097         irix*) #(vi
1098             if test "$GXX" != yes ; then
1099                 CXX_AR='$(CXX)'
1100                 CXX_ARFLAGS='-ar -o'
1101             fi
1102             ;;
1103         sco3.2v5*) #(vi
1104             CXXLDFLAGS="-u main"
1105             ;;
1106         solaris2*)
1107             if test "$GXX" != yes ; then
1108                 CXX_AR='$(CXX)'
1109                 CXX_ARFLAGS='-xar -o'
1110             fi
1111             ;;
1112         esac
1113         AC_SUBST(CXXLDFLAGS)
1114         AC_SUBST(CXX_AR)
1115         AC_SUBST(CXX_ARFLAGS)
1116 ])dnl
1117 dnl ---------------------------------------------------------------------------
1118 dnl CF_CXX_IOSTREAM_NAMESPACE version: 1 updated: 2011/10/29 08:35:34
1119 dnl -------------------------
1120 dnl For c++, check if iostream uses "std::" namespace.
1121 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1122 AC_CHECK_HEADERS(iostream)
1123 if test x"$ac_cv_header_iostream" = xyes ; then
1124         AC_MSG_CHECKING(if iostream uses std-namespace)
1125         AC_TRY_COMPILE([
1126 #include <iostream>
1127 using std::endl;
1128 using std::cerr;],[
1129 cerr << "testing" << endl;
1130 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1131         AC_MSG_RESULT($cf_iostream_namespace)
1132         if test "$cf_iostream_namespace" = yes ; then
1133                 AC_DEFINE(IOSTREAM_NAMESPACE)
1134         fi
1135 fi
1136 ])dnl
1137 dnl ---------------------------------------------------------------------------
1138 dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41
1139 dnl -----------
1140 dnl Check if the C compiler supports "inline".
1141 dnl $1 is the name of a shell variable to set if inline is supported
1142 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1143 AC_DEFUN([CF_C_INLINE],[
1144 AC_C_INLINE
1145 $1=
1146 if test "$ac_cv_c_inline" != no ; then
1147   $1=inline
1148   if test "$INTEL_COMPILER" = yes
1149   then
1150     :
1151   elif test "$GCC" = yes
1152   then
1153     AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1154       cf_save_CFLAGS=$CFLAGS
1155       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1156       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1157       [${cf_cv_main_return:-return} foo()],
1158       [cf_cv_gcc_inline=yes],
1159       [cf_cv_gcc_inline=no])
1160       CFLAGS=$cf_save_CFLAGS
1161     ])
1162     if test "$cf_cv_gcc_inline" = yes ; then
1163         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1164     fi
1165   fi
1166 fi
1167 AC_SUBST($1)
1168 ])dnl
1169 dnl ---------------------------------------------------------------------------
1170 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1171 dnl ----------
1172 dnl "dirname" is not portable, so we fake it with a shell script.
1173 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1174 dnl ---------------------------------------------------------------------------
1175 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1176 dnl ---------------
1177 AC_DEFUN([CF_DIRS_TO_MAKE],
1178 [
1179 DIRS_TO_MAKE="lib"
1180 for cf_item in $cf_list_models
1181 do
1182         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1183         for cf_item2 in $DIRS_TO_MAKE
1184         do
1185                 test $cf_item2 = $cf_subdir && break
1186         done
1187         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1188 done
1189 for cf_dir in $DIRS_TO_MAKE
1190 do
1191         test ! -d $cf_dir && mkdir $cf_dir
1192 done
1193 AC_SUBST(DIRS_TO_MAKE)
1194 ])dnl
1195 dnl ---------------------------------------------------------------------------
1196 dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
1197 dnl ---------------
1198 dnl You can always use "make -n" to see the actual options, but it's hard to
1199 dnl pick out/analyze warning messages when the compile-line is long.
1200 dnl
1201 dnl Sets:
1202 dnl     ECHO_LT - symbol to control if libtool is verbose
1203 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1204 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1205 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1206 dnl     ECHO_CC - symbol to put before any "cc" line
1207 dnl
1208 AC_DEFUN([CF_DISABLE_ECHO],[
1209 AC_MSG_CHECKING(if you want to see long compiling messages)
1210 CF_ARG_DISABLE(echo,
1211         [  --disable-echo          display "compiling" commands],
1212         [
1213     ECHO_LT='--silent'
1214     ECHO_LD='@echo linking [$]@;'
1215     RULE_CC='@echo compiling [$]<'
1216     SHOW_CC='@echo compiling [$]@'
1217     ECHO_CC='@'
1218 ],[
1219     ECHO_LT=''
1220     ECHO_LD=''
1221     RULE_CC=''
1222     SHOW_CC=''
1223     ECHO_CC=''
1224 ])
1225 AC_MSG_RESULT($enableval)
1226 AC_SUBST(ECHO_LT)
1227 AC_SUBST(ECHO_LD)
1228 AC_SUBST(RULE_CC)
1229 AC_SUBST(SHOW_CC)
1230 AC_SUBST(ECHO_CC)
1231 ])dnl
1232 dnl ---------------------------------------------------------------------------
1233 dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
1234 dnl ----------------
1235 dnl Combine no-leak checks with the libraries or tools that are used for the
1236 dnl checks.
1237 AC_DEFUN([CF_DISABLE_LEAKS],[
1238
1239 AC_REQUIRE([CF_WITH_DMALLOC])
1240 AC_REQUIRE([CF_WITH_DBMALLOC])
1241 AC_REQUIRE([CF_WITH_VALGRIND])
1242
1243 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1244 AC_ARG_ENABLE(leaks,
1245         [  --disable-leaks         test: free permanent memory, analyze leaks],
1246         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1247         : ${with_no_leaks:=no})
1248 AC_MSG_RESULT($with_no_leaks)
1249
1250 if test "$with_no_leaks" = yes ; then
1251         AC_DEFINE(NO_LEAKS)
1252         AC_DEFINE(YY_NO_LEAKS)
1253 fi
1254 ])dnl
1255 dnl ---------------------------------------------------------------------------
1256 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1257 dnl --------------------------
1258 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1259 dnl the older "-version-info" feature.  The newer feature allows us to use
1260 dnl version numbering on shared libraries which make them compatible with
1261 dnl various systems.
1262 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1263 [
1264 AC_MSG_CHECKING(if libtool -version-number should be used)
1265 CF_ARG_DISABLE(libtool-version,
1266         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1267         [cf_libtool_version=no],
1268         [cf_libtool_version=yes])
1269 AC_MSG_RESULT($cf_libtool_version)
1270
1271 if test "$cf_libtool_version" = yes ; then
1272         LIBTOOL_VERSION="-version-number"
1273 else
1274         LIBTOOL_VERSION="-version-info"
1275 fi
1276
1277 AC_SUBST(LIBTOOL_VERSION)
1278 ])dnl
1279 dnl ---------------------------------------------------------------------------
1280 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1281 dnl ---------------------
1282 dnl The rpath-hack makes it simpler to build programs, particularly with the
1283 dnl *BSD ports which may have essential libraries in unusual places.  But it
1284 dnl can interfere with building an executable for the base system.  Use this
1285 dnl option in that case.
1286 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1287 [
1288 AC_MSG_CHECKING(if rpath-hack should be disabled)
1289 CF_ARG_DISABLE(rpath-hack,
1290         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1291         [cf_disable_rpath_hack=yes],
1292         [cf_disable_rpath_hack=no])
1293 AC_MSG_RESULT($cf_disable_rpath_hack)
1294 if test "$cf_disable_rpath_hack" = no ; then
1295         CF_RPATH_HACK
1296 fi
1297 ])
1298 dnl ---------------------------------------------------------------------------
1299 dnl CF_ENABLE_PC_FILES version: 7 updated: 2011/12/10 18:58:47
1300 dnl ------------------
1301 dnl This is the "--enable-pc-files" option, which is available if there is a
1302 dnl pkg-config configuration on the local machine.
1303 AC_DEFUN([CF_ENABLE_PC_FILES],[
1304 AC_REQUIRE([CF_PKG_CONFIG])
1305 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1306
1307 if test "$PKG_CONFIG" != none ; then
1308         if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then
1309                 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1310                 AC_ARG_ENABLE(pc-files,
1311                         [  --enable-pc-files       generate and install .pc files for pkg-config],
1312                         [enable_pc_files=$enableval],
1313                         [enable_pc_files=no])
1314                 AC_MSG_RESULT($enable_pc_files)
1315         elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then
1316                 enable_pc_files=no
1317                 AC_MSG_WARN(did not find $PKG_CONFIG library)
1318         fi
1319 else
1320         enable_pc_files=no
1321 fi
1322 ])dnl
1323 dnl ---------------------------------------------------------------------------
1324 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1325 dnl ---------------
1326 dnl Check if the rpath option should be used, setting cache variable
1327 dnl cf_cv_enable_rpath if so.
1328 AC_DEFUN([CF_ENABLE_RPATH],
1329 [
1330 AC_MSG_CHECKING(if rpath option should be used)
1331 AC_ARG_ENABLE(rpath,
1332 [  --enable-rpath          use rpath option when generating shared libraries],
1333 [cf_cv_enable_rpath=$enableval],
1334 [cf_cv_enable_rpath=no])
1335 AC_MSG_RESULT($cf_cv_enable_rpath)
1336 ])dnl
1337 dnl ---------------------------------------------------------------------------
1338 dnl CF_ENABLE_STRING_HACKS version: 1 updated: 2012/02/25 06:33:21
1339 dnl ----------------------
1340 dnl On a few platforms, the compiler and/or loader nags with untruthful
1341 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1342 dnl and implying that most uses of the recommended alternatives are correct.
1343 dnl
1344 dnl Factually speaking, no one has actually counted the number of uses of these
1345 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1346 dnl instances are meaningless compared to the hundreds of millions of lines of
1347 dnl existing C code.
1348 dnl
1349 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1350 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1351 dnl standard - but evolved through phases, and older implementations are likely
1352 dnl to yield surprising results, as documented in manpages on various systems.
1353 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1354 [
1355 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1356 AC_ARG_ENABLE(string-hacks,
1357         [  --enable-string-hacks  work around bogus compiler/loader warnings],
1358         [with_string_hacks=$enableval],
1359         [with_string_hacks=no])
1360 AC_MSG_RESULT($with_string_hacks)
1361
1362 if test "x$with_string_hacks" = "xyes"; then
1363         AC_DEFINE(USE_STRING_HACKS)
1364         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1365         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1366 fi
1367 ])dnl
1368 dnl ---------------------------------------------------------------------------
1369 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1370 dnl --------
1371 dnl Check if 'errno' is declared in <errno.h>
1372 AC_DEFUN([CF_ERRNO],
1373 [
1374 CF_CHECK_ERRNO(errno)
1375 ])dnl
1376 dnl ---------------------------------------------------------------------------
1377 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1378 dnl ---------------
1379 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1380 dnl math.h and builtin.h, only for ncurses
1381 AC_DEFUN([CF_ETIP_DEFINES],
1382 [
1383 AC_MSG_CHECKING(for special defines needed for etip.h)
1384 cf_save_CXXFLAGS="$CXXFLAGS"
1385 cf_result="none"
1386
1387 # etip.h includes ncurses.h which includes ncurses_dll.h
1388 # But ncurses_dll.h is generated - fix here.
1389 test -d include || mkdir include
1390 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1391
1392 for cf_math in "" MATH_H
1393 do
1394 for cf_excp in "" MATH_EXCEPTION
1395 do
1396         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1397         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1398         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1399 AC_TRY_COMPILE([
1400 #include <etip.h.in>
1401 ],[],[
1402         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1403         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1404         cf_result="$cf_math $cf_excp"
1405         break 2
1406 ],[])
1407 done
1408 done
1409 AC_MSG_RESULT($cf_result)
1410 CXXFLAGS="$cf_save_CXXFLAGS"
1411 ])
1412 dnl ---------------------------------------------------------------------------
1413 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1414 dnl ---------------
1415 dnl Find a library (specifically the linkage used in the code fragment),
1416 dnl searching for it if it is not already in the library path.
1417 dnl See also CF_ADD_SEARCHPATH.
1418 dnl
1419 dnl Parameters (4-on are optional):
1420 dnl     $1 = headers for library entrypoint
1421 dnl     $2 = code fragment for library entrypoint
1422 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1423 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1424 dnl     $5 = action to perform if not successful
1425 dnl     $6 = module name, if not the same as the library name
1426 dnl     $7 = extra libraries
1427 dnl
1428 dnl Sets these variables:
1429 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1430 dnl     $cf_cv_header_path_$3 - include-directory if needed
1431 dnl     $cf_cv_library_path_$3 - library-directory if needed
1432 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1433 AC_DEFUN([CF_FIND_LINKAGE],[
1434
1435 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1436 # will be set on completion of the AC_TRY_LINK below.
1437 cf_cv_header_path_$3=
1438 cf_cv_library_path_$3=
1439
1440 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1441
1442 cf_save_LIBS="$LIBS"
1443
1444 AC_TRY_LINK([$1],[$2],[
1445         cf_cv_find_linkage_$3=yes
1446         cf_cv_header_path_$3=/usr/include
1447         cf_cv_library_path_$3=/usr/lib
1448 ],[
1449
1450 LIBS="-l$3 $7 $cf_save_LIBS"
1451
1452 AC_TRY_LINK([$1],[$2],[
1453         cf_cv_find_linkage_$3=yes
1454         cf_cv_header_path_$3=/usr/include
1455         cf_cv_library_path_$3=/usr/lib
1456         cf_cv_library_file_$3="-l$3"
1457 ],[
1458         cf_cv_find_linkage_$3=no
1459         LIBS="$cf_save_LIBS"
1460
1461     CF_VERBOSE(find linkage for $3 library)
1462     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1463
1464     cf_save_CPPFLAGS="$CPPFLAGS"
1465     cf_test_CPPFLAGS="$CPPFLAGS"
1466
1467     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1468     for cf_cv_header_path_$3 in $cf_search
1469     do
1470       if test -d $cf_cv_header_path_$3 ; then
1471         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1472         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1473         AC_TRY_COMPILE([$1],[$2],[
1474             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1475             cf_cv_find_linkage_$3=maybe
1476             cf_test_CPPFLAGS="$CPPFLAGS"
1477             break],[
1478             CPPFLAGS="$cf_save_CPPFLAGS"
1479             ])
1480       fi
1481     done
1482
1483     if test "$cf_cv_find_linkage_$3" = maybe ; then
1484
1485       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1486
1487       cf_save_LIBS="$LIBS"
1488       cf_save_LDFLAGS="$LDFLAGS"
1489
1490       ifelse([$6],,,[
1491         CPPFLAGS="$cf_test_CPPFLAGS"
1492         LIBS="-l$3 $7 $cf_save_LIBS"
1493         AC_TRY_LINK([$1],[$2],[
1494             CF_VERBOSE(... found $3 library in system)
1495             cf_cv_find_linkage_$3=yes])
1496             CPPFLAGS="$cf_save_CPPFLAGS"
1497             LIBS="$cf_save_LIBS"
1498             ])
1499
1500       if test "$cf_cv_find_linkage_$3" != yes ; then
1501         CF_LIBRARY_PATH(cf_search,$3)
1502         for cf_cv_library_path_$3 in $cf_search
1503         do
1504           if test -d $cf_cv_library_path_$3 ; then
1505             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1506             CPPFLAGS="$cf_test_CPPFLAGS"
1507             LIBS="-l$3 $7 $cf_save_LIBS"
1508             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1509             AC_TRY_LINK([$1],[$2],[
1510                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1511                 cf_cv_find_linkage_$3=yes
1512                 cf_cv_library_file_$3="-l$3"
1513                 break],[
1514                 CPPFLAGS="$cf_save_CPPFLAGS"
1515                 LIBS="$cf_save_LIBS"
1516                 LDFLAGS="$cf_save_LDFLAGS"
1517                 ])
1518           fi
1519         done
1520         CPPFLAGS="$cf_save_CPPFLAGS"
1521         LDFLAGS="$cf_save_LDFLAGS"
1522       fi
1523
1524     else
1525       cf_cv_find_linkage_$3=no
1526     fi
1527     ],$7)
1528 ])
1529
1530 LIBS="$cf_save_LIBS"
1531
1532 if test "$cf_cv_find_linkage_$3" = yes ; then
1533 ifelse([$4],,[
1534         CF_ADD_INCDIR($cf_cv_header_path_$3)
1535         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1536         CF_ADD_LIB($3)
1537 ],[$4])
1538 else
1539 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1540 fi
1541 ])dnl
1542 dnl ---------------------------------------------------------------------------
1543 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
1544 dnl -----------------
1545 dnl make ADAFLAGS consistent with CFLAGS
1546 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1547         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1548         case "$CFLAGS" in
1549         *-g*)
1550                 CF_ADD_ADAFLAGS(-g)
1551                 ;;
1552         esac
1553         case "$CFLAGS" in
1554         *-O*)
1555                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1556                 CF_ADD_ADAFLAGS($cf_O_flag)
1557                 ;;
1558         esac
1559         AC_MSG_RESULT($ADAFLAGS)
1560 ])dnl
1561 dnl ---------------------------------------------------------------------------
1562 dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
1563 dnl -------------
1564 dnl Test for dlsym() and related functions, as well as libdl.
1565 dnl
1566 dnl Sets
1567 dnl     $cf_have_dlsym
1568 dnl     $cf_have_libdl
1569 AC_DEFUN([CF_FUNC_DLSYM],[
1570 cf_have_dlsym=no
1571 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1572
1573 cf_have_libdl=no
1574 AC_CHECK_LIB(dl,dlsym,[
1575         cf_have_dlsym=yes
1576         cf_have_libdl=yes])])
1577
1578 if test "$cf_have_dlsym" = yes ; then
1579         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1580
1581         AC_MSG_CHECKING(whether able to link to dl*() functions)
1582         AC_TRY_LINK([#include <dlfcn.h>],[
1583                 void *obj;
1584                 if ((obj = dlopen("filename", 0)) != 0) {
1585                         if (dlsym(obj, "symbolname") == 0) {
1586                         dlclose(obj);
1587                         }
1588                 }],[
1589                 AC_DEFINE(HAVE_LIBDL)],[
1590                 AC_MSG_ERROR(Cannot link test program for libdl)])
1591         AC_MSG_RESULT(ok)
1592 else
1593         AC_MSG_ERROR(Cannot find dlsym function)
1594 fi
1595 ])
1596 dnl ---------------------------------------------------------------------------
1597 dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
1598 dnl ---------------
1599 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1600 dnl is found, add our own version of memmove to the list of objects.
1601 AC_DEFUN([CF_FUNC_MEMMOVE],
1602 [
1603 AC_CHECK_FUNC(memmove,,[
1604 AC_CHECK_FUNC(bcopy,[
1605         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1606                 AC_TRY_RUN([
1607 int main() {
1608         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1609         char temp[40];
1610         bcopy(data, temp, sizeof(data));
1611         bcopy(temp+10, temp, 15);
1612         bcopy(temp+5, temp+15, 10);
1613         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1614 }
1615                 ],
1616                 [cf_cv_good_bcopy=yes],
1617                 [cf_cv_good_bcopy=no],
1618                 [cf_cv_good_bcopy=unknown])
1619                 ])
1620         ],[cf_cv_good_bcopy=no])
1621         if test "$cf_cv_good_bcopy" = yes ; then
1622                 AC_DEFINE(USE_OK_BCOPY)
1623         else
1624                 AC_DEFINE(USE_MY_MEMMOVE)
1625         fi
1626 ])])dnl
1627 dnl ---------------------------------------------------------------------------
1628 dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
1629 dnl -----------------
1630 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1631 dnl AIX 4.x, provide a non-working version.
1632 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1633 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1634 AC_TRY_RUN([
1635 #include <stdio.h>
1636 #include <errno.h>
1637 #include <time.h>
1638
1639 #ifdef HAVE_SYS_TIME_H
1640 #include <sys/time.h>
1641 #endif
1642
1643 int main() {
1644         struct timespec ts1, ts2;
1645         int code;
1646         ts1.tv_sec  = 0;
1647         ts1.tv_nsec = 750000000;
1648         ts2.tv_sec  = 0;
1649         ts2.tv_nsec = 0;
1650         errno = 0;
1651         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1652         ${cf_cv_main_return:-return}(code != 0);
1653 }
1654 ],
1655         [cf_cv_func_nanosleep=yes],
1656         [cf_cv_func_nanosleep=no],
1657         [cf_cv_func_nanosleep=unknown])])
1658
1659 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
1660 ])
1661 dnl ---------------------------------------------------------------------------
1662 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1663 dnl ---------------
1664 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1665 dnl "util" library as well.
1666 AC_DEFUN([CF_FUNC_OPENPTY],
1667 [
1668 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1669 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1670     cf_save_LIBS="$LIBS"
1671     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1672     for cf_header in pty.h libutil.h util.h
1673     do
1674     AC_TRY_LINK([
1675 #include <$cf_header>
1676 ],[
1677     int x = openpty((int *)0, (int *)0, (char *)0,
1678                    (struct termios *)0, (struct winsize *)0);
1679 ],[
1680         cf_cv_func_openpty=$cf_header
1681         break
1682 ],[
1683         cf_cv_func_openpty=no
1684 ])
1685     done
1686     LIBS="$cf_save_LIBS"
1687 ])
1688 ])dnl
1689 dnl ---------------------------------------------------------------------------
1690 dnl CF_FUNC_POLL version: 5 updated: 2012/01/25 17:55:38
1691 dnl ------------
1692 dnl See if the poll function really works.  Some platforms have poll(), but
1693 dnl it does not work for terminals or files.
1694 AC_DEFUN([CF_FUNC_POLL],[
1695 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1696 AC_TRY_RUN([
1697 #include <stdio.h>
1698 #ifdef HAVE_POLL_H
1699 #include <poll.h>
1700 #else
1701 #include <sys/poll.h>
1702 #endif
1703 int main() {
1704         struct pollfd myfds;
1705         int ret;
1706
1707         /* check for Darwin bug with respect to "devices" */
1708         myfds.fd = open("/dev/null", 1);
1709         if (myfds.fd < 0)
1710                 myfds.fd = 0;
1711         myfds.events = POLLIN;
1712         myfds.revents = 0;
1713
1714         ret = poll(&myfds, 1, 100);
1715
1716         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1717                 ret = -1;
1718         } else {
1719
1720                 /* also check with standard input */
1721                 myfds.fd = 0;
1722                 myfds.events = POLLIN;
1723                 myfds.revents = 0;
1724
1725                 ret = poll(&myfds, 1, 100);
1726                 if (ret < 0) {
1727                         ret = 0;
1728                 }
1729         }
1730         ${cf_cv_main_return:-return}(ret != 0);
1731 }],
1732         [cf_cv_working_poll=yes],
1733         [cf_cv_working_poll=no],
1734         [cf_cv_working_poll=unknown])])
1735 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
1736 ])dnl
1737 dnl ---------------------------------------------------------------------------
1738 dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
1739 dnl ---------------
1740 dnl Some old/broken variations define tcgetattr() only as a macro in
1741 dnl termio(s).h
1742 AC_DEFUN([CF_FUNC_TERMIOS],[
1743 AC_REQUIRE([CF_STRUCT_TERMIOS])
1744 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1745 AC_TRY_LINK([
1746 #include <sys/types.h>
1747 #ifdef HAVE_UNISTD_H
1748 #include <unistd.h>
1749 #endif
1750 #ifdef HAVE_TERMIOS_H
1751 #include <termios.h>
1752 #define TTY struct termios
1753 #else
1754 #ifdef HAVE_TERMIO_H
1755 #include <termio.h>
1756 #define TTY struct termio
1757 #endif
1758 #endif
1759 ],[
1760 TTY foo;
1761 tcgetattr(1, &foo);],
1762 [cf_cv_have_tcgetattr=yes],
1763 [cf_cv_have_tcgetattr=no])])
1764 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
1765 ])dnl
1766 dnl ---------------------------------------------------------------------------
1767 dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
1768 dnl ---------------
1769 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1770 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1771 dnl other functions.
1772 AC_DEFUN([CF_FUNC_VSSCANF],
1773 [
1774 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1775 AC_TRY_LINK([
1776 #include <stdarg.h>
1777 #include <stdio.h>],[
1778         va_list ap;
1779         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1780 AC_TRY_LINK([
1781 #include <stdarg.h>
1782 #include <stdio.h>],[
1783     FILE strbuf;
1784     char *str = "from";
1785
1786     strbuf._flag = _IOREAD;
1787     strbuf._ptr = strbuf._base = (unsigned char *) str;
1788     strbuf._cnt = strlen(str);
1789     strbuf._file = _NFILE;
1790     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1791 AC_TRY_LINK([
1792 #include <stdarg.h>
1793 #include <stdio.h>],[
1794     FILE strbuf;
1795     char *str = "from";
1796
1797     strbuf._flag = _IOREAD;
1798     strbuf._ptr = strbuf._base = (unsigned char *) str;
1799     strbuf._cnt = strlen(str);
1800     strbuf._file = _NFILE;
1801     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1802 cf_cv_func_vsscanf=no])])])])
1803
1804 case $cf_cv_func_vsscanf in #(vi
1805 vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
1806 vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
1807 _doscan) AC_DEFINE(HAVE__DOSCAN);;
1808 esac
1809
1810 ])dnl
1811 dnl ---------------------------------------------------------------------------
1812 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1813 dnl -----------------
1814 dnl Test for availability of useful gcc __attribute__ directives to quiet
1815 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1816 dnl to documentation, unrecognized directives cause older compilers to barf.
1817 AC_DEFUN([CF_GCC_ATTRIBUTES],
1818 [
1819 if test "$GCC" = yes
1820 then
1821 cat > conftest.i <<EOF
1822 #ifndef GCC_PRINTF
1823 #define GCC_PRINTF 0
1824 #endif
1825 #ifndef GCC_SCANF
1826 #define GCC_SCANF 0
1827 #endif
1828 #ifndef GCC_NORETURN
1829 #define GCC_NORETURN /* nothing */
1830 #endif
1831 #ifndef GCC_UNUSED
1832 #define GCC_UNUSED /* nothing */
1833 #endif
1834 EOF
1835 if test "$GCC" = yes
1836 then
1837         AC_CHECKING([for $CC __attribute__ directives])
1838 cat > conftest.$ac_ext <<EOF
1839 #line __oline__ "${as_me:-configure}"
1840 #include "confdefs.h"
1841 #include "conftest.h"
1842 #include "conftest.i"
1843 #if     GCC_PRINTF
1844 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1845 #else
1846 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1847 #endif
1848 #if     GCC_SCANF
1849 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1850 #else
1851 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1852 #endif
1853 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1854 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1855 extern void foo(void) GCC_NORETURN;
1856 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1857 EOF
1858         cf_printf_attribute=no
1859         cf_scanf_attribute=no
1860         for cf_attribute in scanf printf unused noreturn
1861         do
1862                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1863                 cf_directive="__attribute__(($cf_attribute))"
1864                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1865
1866                 case $cf_attribute in #(vi
1867                 printf) #(vi
1868                         cf_printf_attribute=yes
1869                         cat >conftest.h <<EOF
1870 #define GCC_$cf_ATTRIBUTE 1
1871 EOF
1872                         ;;
1873                 scanf) #(vi
1874                         cf_scanf_attribute=yes
1875                         cat >conftest.h <<EOF
1876 #define GCC_$cf_ATTRIBUTE 1
1877 EOF
1878                         ;;
1879                 *) #(vi
1880                         cat >conftest.h <<EOF
1881 #define GCC_$cf_ATTRIBUTE $cf_directive
1882 EOF
1883                         ;;
1884                 esac
1885
1886                 if AC_TRY_EVAL(ac_compile); then
1887                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1888                         cat conftest.h >>confdefs.h
1889                         case $cf_attribute in #(vi
1890                         printf) #(vi
1891                                 if test "$cf_printf_attribute" = no ; then
1892                                         cat >>confdefs.h <<EOF
1893 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1894 EOF
1895                                 else
1896                                         cat >>confdefs.h <<EOF
1897 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1898 EOF
1899                                 fi
1900                                 ;;
1901                         scanf) #(vi
1902                                 if test "$cf_scanf_attribute" = no ; then
1903                                         cat >>confdefs.h <<EOF
1904 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1905 EOF
1906                                 else
1907                                         cat >>confdefs.h <<EOF
1908 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1909 EOF
1910                                 fi
1911                                 ;;
1912                         esac
1913                 fi
1914         done
1915 else
1916         fgrep define conftest.i >>confdefs.h
1917 fi
1918 rm -rf conftest*
1919 fi
1920 ])dnl
1921 dnl ---------------------------------------------------------------------------
1922 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1923 dnl --------------
1924 dnl Find version of gcc
1925 AC_DEFUN([CF_GCC_VERSION],[
1926 AC_REQUIRE([AC_PROG_CC])
1927 GCC_VERSION=none
1928 if test "$GCC" = yes ; then
1929         AC_MSG_CHECKING(version of $CC)
1930         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1931         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1932         AC_MSG_RESULT($GCC_VERSION)
1933 fi
1934 ])dnl
1935 dnl ---------------------------------------------------------------------------
1936 dnl CF_GCC_WARNINGS version: 28 updated: 2012/03/31 20:10:46
1937 dnl ---------------
1938 dnl Check if the compiler supports useful warning options.  There's a few that
1939 dnl we don't use, simply because they're too noisy:
1940 dnl
1941 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1942 dnl     -Wredundant-decls (system headers make this too noisy)
1943 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1944 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1945 dnl             is enabled for ncurses using "--enable-const".
1946 dnl     -pedantic
1947 dnl
1948 dnl Parameter:
1949 dnl     $1 is an optional list of gcc warning flags that a particular
1950 dnl             application might want to use, e.g., "no-unused" for
1951 dnl             -Wno-unused
1952 dnl Special:
1953 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1954 dnl
1955 AC_DEFUN([CF_GCC_WARNINGS],
1956 [
1957 AC_REQUIRE([CF_GCC_VERSION])
1958 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1959
1960 cat > conftest.$ac_ext <<EOF
1961 #line __oline__ "${as_me:-configure}"
1962 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1963 EOF
1964
1965 if test "$INTEL_COMPILER" = yes
1966 then
1967 # The "-wdXXX" options suppress warnings:
1968 # remark #1419: external declaration in primary source file
1969 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1970 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1971 # remark #193: zero used for undefined preprocessing identifier
1972 # remark #593: variable "curs_sb_left_arrow" was set but never used
1973 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1974 # remark #869: parameter "tw" was never referenced
1975 # remark #981: operands are evaluated in unspecified order
1976 # warning #279: controlling expression is constant
1977
1978         AC_CHECKING([for $CC warning options])
1979         cf_save_CFLAGS="$CFLAGS"
1980         EXTRA_CFLAGS="-Wall"
1981         for cf_opt in \
1982                 wd1419 \
1983                 wd1683 \
1984                 wd1684 \
1985                 wd193 \
1986                 wd593 \
1987                 wd279 \
1988                 wd810 \
1989                 wd869 \
1990                 wd981
1991         do
1992                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1993                 if AC_TRY_EVAL(ac_compile); then
1994                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1995                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1996                 fi
1997         done
1998         CFLAGS="$cf_save_CFLAGS"
1999
2000 elif test "$GCC" = yes
2001 then
2002         AC_CHECKING([for $CC warning options])
2003         cf_save_CFLAGS="$CFLAGS"
2004         EXTRA_CFLAGS=
2005         cf_warn_CONST=""
2006         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2007         for cf_opt in W Wall \
2008                 Wbad-function-cast \
2009                 Wcast-align \
2010                 Wcast-qual \
2011                 Winline \
2012                 Wmissing-declarations \
2013                 Wmissing-prototypes \
2014                 Wnested-externs \
2015                 Wpointer-arith \
2016                 Wshadow \
2017                 Wstrict-prototypes \
2018                 Wundef $cf_warn_CONST $1
2019         do
2020                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2021                 if AC_TRY_EVAL(ac_compile); then
2022                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2023                         case $cf_opt in #(vi
2024                         Wcast-qual) #(vi
2025                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2026                                 ;;
2027                         Winline) #(vi
2028                                 case $GCC_VERSION in
2029                                 [[34]].*)
2030                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2031                                         continue;;
2032                                 esac
2033                                 ;;
2034                         Wpointer-arith) #(vi
2035                                 case $GCC_VERSION in
2036                                 [[12]].*)
2037                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2038                                         continue;;
2039                                 esac
2040                                 ;;
2041                         esac
2042                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2043                 fi
2044         done
2045         CFLAGS="$cf_save_CFLAGS"
2046 fi
2047 rm -rf conftest*
2048
2049 AC_SUBST(EXTRA_CFLAGS)
2050 ])dnl
2051 dnl ---------------------------------------------------------------------------
2052 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
2053 dnl ----------------
2054 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2055 dnl unistd.h or (nonstandard) in getopt.h
2056 AC_DEFUN([CF_GETOPT_HEADER],
2057 [
2058 AC_HAVE_HEADERS(unistd.h getopt.h)
2059 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2060 cf_cv_getopt_header=none
2061 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2062 do
2063 AC_TRY_COMPILE([
2064 #include <$cf_header>],
2065 [int x = optind; char *y = optarg],
2066 [cf_cv_getopt_header=$cf_header
2067  break])
2068 done
2069 ])
2070 if test $cf_cv_getopt_header != none ; then
2071         AC_DEFINE(HAVE_GETOPT_HEADER)
2072 fi
2073 ])dnl
2074 dnl ---------------------------------------------------------------------------
2075 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
2076 dnl ----------------
2077 AC_DEFUN([CF_GNAT_GENERICS],
2078 [
2079 AC_REQUIRE([CF_GNAT_VERSION])
2080
2081 AC_MSG_CHECKING(if GNAT supports generics)
2082 case $cf_gnat_version in #(vi
2083 3.[[1-9]]*|[[4-9]].*) #(vi
2084         cf_gnat_generics=yes
2085         ;;
2086 *)
2087         cf_gnat_generics=no
2088         ;;
2089 esac
2090 AC_MSG_RESULT($cf_gnat_generics)
2091
2092 if test "$cf_gnat_generics" = yes
2093 then
2094         cf_compile_generics=generics
2095         cf_generic_objects="\${GENOBJS}"
2096 else
2097         cf_compile_generics=
2098         cf_generic_objects=
2099 fi
2100
2101 AC_SUBST(cf_compile_generics)
2102 AC_SUBST(cf_generic_objects)
2103 ])dnl
2104 dnl ---------------------------------------------------------------------------
2105 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
2106 dnl --------------------
2107 dnl Check if the gnat pragma "Unreferenced" works.
2108 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
2109 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
2110 CF_GNAT_TRY_LINK([procedure conftest;],
2111 [with Text_IO;
2112 with GNAT.OS_Lib;
2113 procedure conftest is
2114    test : Integer;
2115    pragma Unreferenced (test);
2116 begin
2117    test := 1;
2118    Text_IO.Put ("Hello World");
2119    Text_IO.New_Line;
2120    GNAT.OS_Lib.OS_Exit (0);
2121 end conftest;],
2122         [cf_cv_pragma_unreferenced=yes],
2123         [cf_cv_pragma_unreferenced=no])])
2124
2125 # if the pragma is supported, use it (needed in the Trace code).
2126 if test $cf_cv_pragma_unreferenced = yes ; then
2127         PRAGMA_UNREF=TRUE
2128 else
2129         PRAGMA_UNREF=FALSE
2130 fi
2131 AC_SUBST(PRAGMA_UNREF)
2132 ])dnl
2133 dnl ---------------------------------------------------------------------------
2134 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
2135 dnl ----------------
2136 dnl GNAT projects are configured with ".gpr" project files.
2137 dnl GNAT libraries are a further development, using the project feature.
2138 AC_DEFUN([CF_GNAT_PROJECTS],
2139 [
2140 AC_REQUIRE([CF_GNAT_VERSION])
2141
2142 cf_gnat_libraries=no
2143 cf_gnat_projects=no
2144
2145 AC_MSG_CHECKING(if GNAT supports project files)
2146 case $cf_gnat_version in #(vi
2147 3.[[0-9]]*) #(vi
2148         ;;
2149 *)
2150         case $cf_cv_system_name in #(vi
2151         cygwin*) #(vi
2152                 ;;
2153         *)
2154                 mkdir conftest.src conftest.bin conftest.lib
2155                 cd conftest.src
2156                 rm -rf conftest* *~conftest*
2157                 cat >>library.gpr <<CF_EOF
2158 project Library is
2159   Kind := External ("LIB_KIND");
2160   for Library_Name use "ConfTest";
2161   for Object_Dir use ".";
2162   for Library_ALI_Dir use External("LIBRARY_DIR");
2163   for Library_Version use External ("SONAME");
2164   for Library_Kind use Kind;
2165   for Library_Dir use External("BUILD_DIR");
2166   Source_Dir := External ("SOURCE_DIR");
2167   for Source_Dirs use (Source_Dir);
2168   package Compiler is
2169      for Default_Switches ("Ada") use
2170        ("-g",
2171         "-O2",
2172         "-gnatafno",
2173         "-gnatVa",   -- All validity checks
2174         "-gnatwa");  -- Activate all optional errors
2175   end Compiler;
2176 end Library;
2177 CF_EOF
2178                 cat >>confpackage.ads <<CF_EOF
2179 package ConfPackage is
2180    procedure conftest;
2181 end ConfPackage;
2182 CF_EOF
2183                 cat >>confpackage.adb <<CF_EOF
2184 with Text_IO;
2185 package body ConfPackage is
2186    procedure conftest is
2187    begin
2188       Text_IO.Put ("Hello World");
2189       Text_IO.New_Line;
2190    end conftest;
2191 end ConfPackage;
2192 CF_EOF
2193                 if ( $cf_ada_make $ADAFLAGS \
2194                                 -Plibrary.gpr \
2195                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2196                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2197                                 -XSOURCE_DIR=`pwd` \
2198                                 -XSONAME=libConfTest.so.1 \
2199                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2200                         cf_gnat_projects=yes
2201                 fi
2202                 cd ..
2203                 if test -f conftest.lib/confpackage.ali
2204                 then
2205                         cf_gnat_libraries=yes
2206                 fi
2207                 rm -rf conftest* *~conftest*
2208                 ;;
2209         esac
2210         ;;
2211 esac
2212 AC_MSG_RESULT($cf_gnat_projects)
2213
2214 if test $cf_gnat_projects = yes
2215 then
2216         AC_MSG_CHECKING(if GNAT supports libraries)
2217         AC_MSG_RESULT($cf_gnat_libraries)
2218 fi
2219
2220 if test "$cf_gnat_projects" = yes
2221 then
2222         USE_OLD_MAKERULES="#"
2223         USE_GNAT_PROJECTS=""
2224 else
2225         USE_OLD_MAKERULES=""
2226         USE_GNAT_PROJECTS="#"
2227 fi
2228
2229 if test "$cf_gnat_libraries" = yes
2230 then
2231         USE_GNAT_LIBRARIES=""
2232 else
2233         USE_GNAT_LIBRARIES="#"
2234 fi
2235
2236 AC_SUBST(USE_OLD_MAKERULES)
2237 AC_SUBST(USE_GNAT_PROJECTS)
2238 AC_SUBST(USE_GNAT_LIBRARIES)
2239 ])dnl
2240 dnl ---------------------------------------------------------------------------
2241 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2242 dnl --------------
2243 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2244 dnl is noted that gnat may compile a tasking unit even for configurations which
2245 dnl fail at runtime.
2246 AC_DEFUN([CF_GNAT_SIGINT],[
2247 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2248 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2249
2250 package ConfTest is
2251
2252    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2253    pragma Unreserve_All_Interrupts;
2254    pragma Warnings (On);
2255
2256    protected Process is
2257       procedure Stop;
2258       function Continue return Boolean;
2259       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2260    private
2261       Done : Boolean := False;
2262    end Process;
2263
2264 end ConfTest;],
2265 [package body ConfTest is
2266    protected body Process is
2267       procedure Stop is
2268       begin
2269          Done := True;
2270       end Stop;
2271       function Continue return Boolean is
2272       begin
2273          return not Done;
2274       end Continue;
2275    end Process;
2276 end ConfTest;],
2277         [cf_cv_gnat_sigint=yes],
2278         [cf_cv_gnat_sigint=no])])
2279
2280 if test $cf_cv_gnat_sigint = yes ; then
2281         USE_GNAT_SIGINT=""
2282 else
2283         USE_GNAT_SIGINT="#"
2284 fi
2285 AC_SUBST(USE_GNAT_SIGINT)
2286 ])dnl
2287 dnl ---------------------------------------------------------------------------
2288 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2289 dnl ----------------
2290 dnl Verify that a test program compiles/links with GNAT.
2291 dnl $cf_ada_make is set to the program that compiles/links
2292 dnl $ADAFLAGS may be set to the GNAT flags.
2293 dnl
2294 dnl $1 is the text of the spec
2295 dnl $2 is the text of the body
2296 dnl $3 is the shell command to execute if successful
2297 dnl $4 is the shell command to execute if not successful
2298 AC_DEFUN([CF_GNAT_TRY_LINK],
2299 [
2300 rm -rf conftest* *~conftest*
2301 cat >>conftest.ads <<CF_EOF
2302 $1
2303 CF_EOF
2304 cat >>conftest.adb <<CF_EOF
2305 $2
2306 CF_EOF
2307 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2308 ifelse($3,,      :,[      $3])
2309 ifelse($4,,,[else
2310    $4])
2311 fi
2312 rm -rf conftest* *~conftest*
2313 ])dnl
2314 dnl ---------------------------------------------------------------------------
2315 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2316 dnl ---------------
2317 dnl Verify that a test program compiles and runs with GNAT
2318 dnl $cf_ada_make is set to the program that compiles/links
2319 dnl $ADAFLAGS may be set to the GNAT flags.
2320 dnl
2321 dnl $1 is the text of the spec
2322 dnl $2 is the text of the body
2323 dnl $3 is the shell command to execute if successful
2324 dnl $4 is the shell command to execute if not successful
2325 AC_DEFUN([CF_GNAT_TRY_RUN],
2326 [
2327 rm -rf conftest* *~conftest*
2328 cat >>conftest.ads <<CF_EOF
2329 $1
2330 CF_EOF
2331 cat >>conftest.adb <<CF_EOF
2332 $2
2333 CF_EOF
2334 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2335    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2336 ifelse($3,,      :,[      $3])
2337 ifelse($4,,,[   else
2338       $4])
2339    fi
2340 ifelse($4,,,[else
2341    $4])
2342 fi
2343 rm -rf conftest* *~conftest*
2344 ])dnl
2345 dnl ---------------------------------------------------------------------------
2346 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
2347 dnl ---------------
2348 dnl Verify version of GNAT.
2349 AC_DEFUN([CF_GNAT_VERSION],
2350 [
2351 AC_MSG_CHECKING(for gnat version)
2352 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2353         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2354     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2355 AC_MSG_RESULT($cf_gnat_version)
2356
2357 case $cf_gnat_version in #(vi
2358 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
2359         cf_cv_prog_gnat_correct=yes
2360         ;;
2361 *)
2362         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2363         cf_cv_prog_gnat_correct=no
2364         ;;
2365 esac
2366 ])
2367 dnl ---------------------------------------------------------------------------
2368 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2369 dnl -------------
2370 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2371 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2372 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2373 dnl since it is interwoven with GNU extensions.
2374 dnl
2375 dnl Well, yes we could work around it...
2376 AC_DEFUN([CF_GNU_SOURCE],
2377 [
2378 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2379 AC_TRY_COMPILE([#include <sys/types.h>],[
2380 #ifndef _XOPEN_SOURCE
2381 make an error
2382 #endif],
2383         [cf_cv_gnu_source=no],
2384         [cf_save="$CPPFLAGS"
2385          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2386          AC_TRY_COMPILE([#include <sys/types.h>],[
2387 #ifdef _XOPEN_SOURCE
2388 make an error
2389 #endif],
2390         [cf_cv_gnu_source=no],
2391         [cf_cv_gnu_source=yes])
2392         CPPFLAGS="$cf_save"
2393         ])
2394 ])
2395 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2396 ])dnl
2397 dnl ---------------------------------------------------------------------------
2398 dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
2399 dnl --------------
2400 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2401 dnl problem :-).  If we have the compiler but no library, we'll be able to
2402 dnl configure, but won't be able to build the c++ demo program.
2403 AC_DEFUN([CF_GPP_LIBRARY],
2404 [
2405 cf_cxx_library=unknown
2406 case $cf_cv_system_name in #(vi
2407 os2*) #(vi
2408         cf_gpp_libname=gpp
2409         ;;
2410 *)
2411         cf_gpp_libname=g++
2412         ;;
2413 esac
2414 if test "$GXX" = yes; then
2415         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2416         cf_save="$LIBS"
2417         CF_ADD_LIB($cf_gpp_libname)
2418         AC_TRY_LINK([
2419 #include <$cf_gpp_libname/builtin.h>
2420         ],
2421         [two_arg_error_handler_t foo2 = lib_error_handler],
2422         [cf_cxx_library=yes
2423          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2424          if test "$cf_gpp_libname" = cpp ; then
2425             AC_DEFINE(HAVE_GPP_BUILTIN_H)
2426          else
2427             AC_DEFINE(HAVE_GXX_BUILTIN_H)
2428          fi],
2429         [AC_TRY_LINK([
2430 #include <builtin.h>
2431         ],
2432         [two_arg_error_handler_t foo2 = lib_error_handler],
2433         [cf_cxx_library=yes
2434          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2435          AC_DEFINE(HAVE_BUILTIN_H)],
2436         [cf_cxx_library=no])])
2437         LIBS="$cf_save"
2438         AC_MSG_RESULT($cf_cxx_library)
2439 fi
2440 ])dnl
2441 dnl ---------------------------------------------------------------------------
2442 dnl CF_GXX_VERSION version: 6 updated: 2010/10/23 15:44:18
2443 dnl --------------
2444 dnl Check for version of g++
2445 AC_DEFUN([CF_GXX_VERSION],[
2446 AC_REQUIRE([AC_PROG_CPP])
2447 GXX_VERSION=none
2448 if test "$GXX" = yes; then
2449         AC_MSG_CHECKING(version of g++)
2450         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2451         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2452         AC_MSG_RESULT($GXX_VERSION)
2453 fi
2454 ])dnl
2455 dnl ---------------------------------------------------------------------------
2456 dnl CF_GXX_WARNINGS version: 6 updated: 2010/08/14 18:25:37
2457 dnl ---------------
2458 dnl Check if the compiler supports useful warning options.
2459 dnl
2460 dnl Most of gcc's options apply to g++, except:
2461 dnl     -Wbad-function-cast
2462 dnl     -Wmissing-declarations
2463 dnl     -Wnested-externs
2464 dnl
2465 dnl Omit a few (for now):
2466 dnl     -Winline
2467 dnl
2468 dnl Parameter:
2469 dnl     $1 is an optional list of g++ warning flags that a particular
2470 dnl             application might want to use, e.g., "no-unused" for
2471 dnl             -Wno-unused
2472 dnl Special:
2473 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2474 dnl
2475 AC_DEFUN([CF_GXX_WARNINGS],
2476 [
2477
2478 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2479
2480 AC_REQUIRE([CF_GXX_VERSION])
2481
2482 AC_LANG_SAVE
2483 AC_LANG_CPLUSPLUS
2484
2485 cat > conftest.$ac_ext <<EOF
2486 #line __oline__ "configure"
2487 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2488 EOF
2489
2490 if test "$INTEL_CPLUSPLUS" = yes
2491 then
2492 # The "-wdXXX" options suppress warnings:
2493 # remark #1419: external declaration in primary source file
2494 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2495 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2496 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2497 # remark #193: zero used for undefined preprocessing identifier
2498 # remark #593: variable "curs_sb_left_arrow" was set but never used
2499 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2500 # remark #869: parameter "tw" was never referenced
2501 # remark #981: operands are evaluated in unspecified order
2502 # warning #269: invalid format string conversion
2503
2504         AC_CHECKING([for $CC warning options])
2505         cf_save_CXXFLAGS="$CXXFLAGS"
2506         EXTRA_CXXFLAGS="-Wall"
2507         for cf_opt in \
2508                 wd1419 \
2509                 wd1682 \
2510                 wd1683 \
2511                 wd1684 \
2512                 wd193 \
2513                 wd279 \
2514                 wd593 \
2515                 wd810 \
2516                 wd869 \
2517                 wd981
2518         do
2519                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2520                 if AC_TRY_EVAL(ac_compile); then
2521                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2522                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2523                 fi
2524         done
2525         CXXFLAGS="$cf_save_CXXFLAGS"
2526
2527 elif test "$GXX" = yes
2528 then
2529         AC_CHECKING([for $CXX warning options])
2530         cf_save_CXXFLAGS="$CXXFLAGS"
2531         EXTRA_CXXFLAGS="-W -Wall"
2532         cf_gxx_extra_warnings=""
2533         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2534         case "$GCC_VERSION" in
2535         [[1-2]].*)
2536                 ;;
2537         *)
2538                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2539                 ;;
2540         esac
2541         for cf_opt in \
2542                 Wabi \
2543                 fabi-version=0 \
2544                 Woverloaded-virtual \
2545                 Wsign-promo \
2546                 Wsynth \
2547                 Wold-style-cast \
2548                 Wcast-align \
2549                 Wcast-qual \
2550                 Wmissing-prototypes \
2551                 Wpointer-arith \
2552                 Wshadow \
2553                 Wstrict-prototypes \
2554                 Wundef $cf_gxx_extra_warnings $1
2555         do
2556                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2557                 if AC_TRY_EVAL(ac_compile); then
2558                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2559                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2560                 else
2561                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2562                 fi
2563         done
2564         CXXFLAGS="$cf_save_CXXFLAGS"
2565 fi
2566
2567 rm -rf conftest*
2568 AC_LANG_RESTORE
2569 AC_SUBST(EXTRA_CXXFLAGS)
2570 ])dnl
2571 dnl ---------------------------------------------------------------------------
2572 dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
2573 dnl ------------
2574 dnl Look for an instance of the Berkeley hashed database.
2575 dnl
2576 dnl $1 = optional parameter, to specify install-prefix for the database.
2577 AC_DEFUN([CF_HASHED_DB],
2578 [
2579 ifelse([$1],,,[
2580 case $1 in #(vi
2581 yes|*able*) #(vi
2582     ;;
2583 *)
2584     if test -d "$1" ; then
2585         CF_ADD_INCDIR($1/include)
2586         CF_ADD_LIBDIR($1/lib)
2587     fi
2588 esac
2589 ])
2590 AC_CHECK_HEADER(db.h,[
2591 CF_HASHED_DB_VERSION
2592 if test "$cf_cv_hashed_db_version" = unknown ; then
2593         AC_MSG_ERROR(Cannot determine version of db)
2594 else
2595         CF_HASHED_DB_LIBS
2596         if test "$cf_cv_hashed_db_libs" = unknown ; then
2597                 AC_MSG_ERROR(Cannot determine library for db)
2598         elif test "$cf_cv_hashed_db_libs" != default ; then
2599                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2600         fi
2601 fi
2602 ],[
2603         AC_MSG_ERROR(Cannot find db.h)
2604 ])
2605 ])dnl
2606 dnl ---------------------------------------------------------------------------
2607 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2608 dnl -----------------
2609 dnl Given that we have the header and version for hashed database, find the
2610 dnl library information.
2611 AC_DEFUN([CF_HASHED_DB_LIBS],
2612 [
2613 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2614 cf_cv_hashed_db_libs=unknown
2615 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2616 do
2617         cf_save_libs="$LIBS"
2618         if test -n "$cf_db_libs"; then
2619                 CF_ADD_LIB($cf_db_libs)
2620         fi
2621         CF_MSG_LOG(checking for library "$cf_db_libs")
2622         AC_TRY_LINK([
2623 $ac_includes_default
2624 #include <db.h>
2625 ],[
2626         char *path = "/tmp/foo";
2627 #ifdef DB_VERSION_MAJOR
2628 #if DB_VERSION_MAJOR >= 4
2629         DB *result = 0;
2630         db_create(&result, NULL, 0);
2631         result->open(result,
2632                 NULL,
2633                 path,
2634                 path,
2635                 DB_HASH,
2636                 DB_CREATE,
2637                 0644);
2638 #elif DB_VERSION_MAJOR >= 3
2639         DB *result = 0;
2640         db_create(&result, NULL, 0);
2641         result->open(result,
2642                 path,
2643                 path,
2644                 DB_HASH,
2645                 DB_CREATE,
2646                 0644);
2647 #elif DB_VERSION_MAJOR >= 2
2648         DB *result = 0;
2649         db_open(path,
2650                 DB_HASH,
2651                 DB_CREATE,
2652                 0644,
2653                 (DB_ENV *) 0,
2654                 (DB_INFO *) 0,
2655                 &result);
2656 #endif /* DB_VERSION_MAJOR */
2657 #else
2658         DB *result = dbopen(path,
2659                      2,
2660                      0644,
2661                      DB_HASH,
2662                      0);
2663 #endif
2664         ${cf_cv_main_return:-return}(result != 0)
2665 ],[
2666         if test -n "$cf_db_libs" ; then
2667                 cf_cv_hashed_db_libs=$cf_db_libs
2668         else
2669                 cf_cv_hashed_db_libs=default
2670         fi
2671         LIBS="$cf_save_libs"
2672         break
2673 ])
2674         LIBS="$cf_save_libs"
2675 done
2676 ])
2677 ])dnl
2678 dnl ---------------------------------------------------------------------------
2679 dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
2680 dnl --------------------
2681 dnl Given that we have the header file for hashed database, find the version
2682 dnl information.
2683 AC_DEFUN([CF_HASHED_DB_VERSION],
2684 [
2685 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2686 cf_cv_hashed_db_version=unknown
2687
2688 for cf_db_version in 1 2 3 4 5
2689 do
2690         CF_MSG_LOG(checking for db version $cf_db_version)
2691         AC_TRY_COMPILE([
2692 $ac_includes_default
2693 #include <db.h>
2694
2695 #ifdef DB_VERSION_MAJOR
2696         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2697 #if $cf_db_version == DB_VERSION_MAJOR
2698         /* ok */
2699 #else
2700         make an error
2701 #endif
2702 #else
2703 #if $cf_db_version == 1
2704         /* ok: assuming this is DB 1.8.5 */
2705 #else
2706         make an error
2707 #endif
2708 #endif
2709 ],[DBT *foo = 0],[
2710         cf_cv_hashed_db_version=$cf_db_version
2711         break
2712         ])
2713 done
2714 ])
2715 ])dnl
2716 dnl ---------------------------------------------------------------------------
2717 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2718 dnl --------------
2719 dnl Construct a search-list of directories for a nonstandard header-file
2720 dnl
2721 dnl Parameters
2722 dnl     $1 = the variable to return as result
2723 dnl     $2 = the package name
2724 AC_DEFUN([CF_HEADER_PATH],
2725 [
2726 $1=
2727
2728 # collect the current set of include-directories from compiler flags
2729 cf_header_path_list=""
2730 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2731         for cf_header_path in $CPPFLAGS $CFLAGS
2732         do
2733                 case $cf_header_path in #(vi
2734                 -I*)
2735                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2736                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2737                         cf_header_path_list="$cf_header_path_list [$]$1"
2738                         ;;
2739                 esac
2740         done
2741 fi
2742
2743 # add the variations for the package we are looking for
2744 CF_SUBDIR_PATH($1,$2,include)
2745
2746 test "$includedir" != NONE && \
2747 test "$includedir" != "/usr/include" && \
2748 test -d "$includedir" && {
2749         test -d $includedir &&    $1="[$]$1 $includedir"
2750         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2751 }
2752
2753 test "$oldincludedir" != NONE && \
2754 test "$oldincludedir" != "/usr/include" && \
2755 test -d "$oldincludedir" && {
2756         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2757         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2758 }
2759
2760 $1="[$]$1 $cf_header_path_list"
2761 ])dnl
2762 dnl ---------------------------------------------------------------------------
2763 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2764 dnl ---------------
2765 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2766 AC_DEFUN([CF_HELP_MESSAGE],
2767 [AC_DIVERT_HELP([$1])dnl
2768 ])dnl
2769 dnl ---------------------------------------------------------------------------
2770 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2771 dnl ---------------
2772 dnl Construct the list of include-options according to whether we're building
2773 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2774 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2775 dnl since that usually breaks gcc's shadow-includes.
2776 AC_DEFUN([CF_INCLUDE_DIRS],
2777 [
2778 CPPFLAGS="$CPPFLAGS -I. -I../include"
2779 if test "$srcdir" != "."; then
2780         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2781 fi
2782 if test "$GCC" != yes; then
2783         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2784 elif test "$includedir" != "/usr/include"; then
2785         if test "$includedir" = '${prefix}/include' ; then
2786                 if test $prefix != /usr ; then
2787                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2788                 fi
2789         else
2790                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2791         fi
2792 fi
2793 AC_SUBST(CPPFLAGS)
2794 ])dnl
2795 dnl ---------------------------------------------------------------------------
2796 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2797 dnl -----------------
2798 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2799 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2800 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2801 dnl
2802 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2803 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2804 dnl the wrappers for gcc and g++ warnings.
2805 dnl
2806 dnl $1 = GCC (default) or GXX
2807 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2808 dnl $3 = CFLAGS (default) or CXXFLAGS
2809 AC_DEFUN([CF_INTEL_COMPILER],[
2810 ifelse([$2],,INTEL_COMPILER,[$2])=no
2811
2812 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2813         case $host_os in
2814         linux*|gnu*)
2815                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2816                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2817                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2818                 AC_TRY_COMPILE([],[
2819 #ifdef __INTEL_COMPILER
2820 #else
2821 make an error
2822 #endif
2823 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2824 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2825 ],[])
2826                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2827                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2828                 ;;
2829         esac
2830 fi
2831 ])dnl
2832 dnl ---------------------------------------------------------------------------
2833 dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
2834 dnl ----------
2835 dnl Check if we have either a function or macro for 'isascii()'.
2836 AC_DEFUN([CF_ISASCII],
2837 [
2838 AC_MSG_CHECKING(for isascii)
2839 AC_CACHE_VAL(cf_cv_have_isascii,[
2840         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2841         [cf_cv_have_isascii=yes],
2842         [cf_cv_have_isascii=no])
2843 ])dnl
2844 AC_MSG_RESULT($cf_cv_have_isascii)
2845 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
2846 ])dnl
2847 dnl ---------------------------------------------------------------------------
2848 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2849 dnl ------------
2850 dnl Add checks for large file support.
2851 AC_DEFUN([CF_LARGEFILE],[
2852 ifdef([AC_FUNC_FSEEKO],[
2853     AC_SYS_LARGEFILE
2854     if test "$enable_largefile" != no ; then
2855         AC_FUNC_FSEEKO
2856
2857         # Normally we would collect these definitions in the config.h,
2858         # but (like _XOPEN_SOURCE), some environments rely on having these
2859         # defined before any of the system headers are included.  Another
2860         # case comes up with C++, e.g., on AIX the compiler compiles the
2861         # header files by themselves before looking at the body files it is
2862         # told to compile.  For ncurses, those header files do not include
2863         # the config.h
2864         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2865         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2866         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2867
2868         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2869                 AC_TRY_COMPILE([
2870 #include <sys/types.h>
2871 #include <dirent.h>
2872                 ],[
2873                 /* if transitional largefile support is setup, this is true */
2874                 extern struct dirent64 * readdir(DIR *);
2875                 struct dirent64 *x = readdir((DIR *)0);
2876                 struct dirent *y = readdir((DIR *)0);
2877                 int z = x - y;
2878                 ],
2879                 [cf_cv_struct_dirent64=yes],
2880                 [cf_cv_struct_dirent64=no])
2881         ])
2882         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2883     fi
2884 ])
2885 ])
2886 dnl ---------------------------------------------------------------------------
2887 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2888 dnl -----------------
2889 dnl Check for compiler/linker flags used to temporarily force usage of static
2890 dnl libraries.  This depends on the compiler and platform.  Use this to help
2891 dnl ensure that the linker picks up a given library based on its position in
2892 dnl the list of linker options and libraries.
2893 AC_DEFUN([CF_LDFLAGS_STATIC],[
2894
2895 if test "$GCC" = yes ; then
2896         case $cf_cv_system_name in #(
2897         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2898                 LDFLAGS_STATIC=
2899                 LDFLAGS_SHARED=
2900                 ;;
2901     *)  #( normally, except when broken
2902         LDFLAGS_STATIC=-static
2903         LDFLAGS_SHARED=-dynamic
2904         ;;
2905     esac
2906 else
2907         case $cf_cv_system_name in #(
2908         aix[[4-7]]*)    #( from ld manpage
2909                 LDFLAGS_STATIC=-bstatic
2910                 LDFLAGS_SHARED=-bdynamic
2911                 ;;
2912         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2913                 # We could also use just "archive" and "shared".
2914                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2915                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2916                 ;;
2917         irix*)          #( from ld manpage IRIX64
2918                 LDFLAGS_STATIC=-Bstatic
2919                 LDFLAGS_SHARED=-Bdynamic
2920                 ;;
2921         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2922                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2923                 LDFLAGS_STATIC=-noso
2924                 LDFLAGS_SHARED=-so_archive
2925                 ;;
2926         solaris2*)
2927                 LDFLAGS_STATIC=-Bstatic
2928                 LDFLAGS_SHARED=-Bdynamic
2929                 ;;
2930         esac
2931 fi
2932
2933 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2934 then
2935         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2936
2937         rm -f libconftest.a
2938         cat >conftest.$ac_ext <<EOF
2939 #line __oline__ "configure"
2940 #include <stdio.h>
2941 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
2942 EOF
2943         if AC_TRY_EVAL(ac_compile) ; then
2944                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
2945                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
2946         fi
2947         rm -f conftest.*
2948
2949         cf_save_LIBS="$LIBS"
2950
2951         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
2952         AC_TRY_LINK([
2953 #line __oline__ "configure"
2954 #include <stdio.h>
2955 int cf_ldflags_static(FILE *fp);
2956 ],[
2957         return cf_ldflags_static(stdin);
2958 ],[
2959         # some linkers simply ignore the -dynamic
2960         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
2961         *static*) # (vi
2962                 cf_ldflags_static=no
2963                 ;;
2964         *)
2965                 cf_ldflags_static=yes
2966                 ;;
2967         esac
2968 ],[cf_ldflags_static=no])
2969
2970         rm -f libconftest.*
2971         LIBS="$cf_save_LIBS"
2972
2973         AC_MSG_RESULT($cf_ldflags_static)
2974
2975         if test $cf_ldflags_static != yes
2976         then
2977                 LDFLAGS_STATIC=
2978                 LDFLAGS_SHARED=
2979         fi
2980 else
2981         LDFLAGS_STATIC=
2982         LDFLAGS_SHARED=
2983 fi
2984
2985 AC_SUBST(LDFLAGS_STATIC)
2986 AC_SUBST(LDFLAGS_SHARED)
2987 ])
2988 dnl ---------------------------------------------------------------------------
2989 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
2990 dnl ---------------
2991 dnl For the given system and compiler, find the compiler flags to pass to the
2992 dnl loader to use the "rpath" feature.
2993 AC_DEFUN([CF_LD_RPATH_OPT],
2994 [
2995 AC_REQUIRE([CF_CHECK_CACHE])
2996
2997 LD_RPATH_OPT=
2998 AC_MSG_CHECKING(for an rpath option)
2999 case $cf_cv_system_name in #(vi
3000 irix*) #(vi
3001         if test "$GCC" = yes; then
3002                 LD_RPATH_OPT="-Wl,-rpath,"
3003         else
3004                 LD_RPATH_OPT="-rpath "
3005         fi
3006         ;;
3007 linux*|gnu*|k*bsd*-gnu) #(vi
3008         LD_RPATH_OPT="-Wl,-rpath,"
3009         ;;
3010 openbsd[[2-9]].*|mirbsd*) #(vi
3011         LD_RPATH_OPT="-Wl,-rpath,"
3012         ;;
3013 dragonfly*|freebsd*) #(vi
3014         LD_RPATH_OPT="-rpath "
3015         ;;
3016 netbsd*) #(vi
3017         LD_RPATH_OPT="-Wl,-rpath,"
3018         ;;
3019 osf*|mls+*) #(vi
3020         LD_RPATH_OPT="-rpath "
3021         ;;
3022 solaris2*) #(vi
3023         LD_RPATH_OPT="-R"
3024         ;;
3025 *)
3026         ;;
3027 esac
3028 AC_MSG_RESULT($LD_RPATH_OPT)
3029
3030 case "x$LD_RPATH_OPT" in #(vi
3031 x-R*)
3032         AC_MSG_CHECKING(if we need a space after rpath option)
3033         cf_save_LIBS="$LIBS"
3034         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3035         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3036         LIBS="$cf_save_LIBS"
3037         AC_MSG_RESULT($cf_rpath_space)
3038         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3039         ;;
3040 esac
3041 ])dnl
3042 dnl ---------------------------------------------------------------------------
3043 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
3044 dnl ---------------
3045 dnl Construct a search-list of directories for a nonstandard library-file
3046 dnl
3047 dnl Parameters
3048 dnl     $1 = the variable to return as result
3049 dnl     $2 = the package name
3050 AC_DEFUN([CF_LIBRARY_PATH],
3051 [
3052 $1=
3053 cf_library_path_list=""
3054 if test -n "${LDFLAGS}${LIBS}" ; then
3055         for cf_library_path in $LDFLAGS $LIBS
3056         do
3057                 case $cf_library_path in #(vi
3058                 -L*)
3059                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3060                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3061                         cf_library_path_list="$cf_library_path_list [$]$1"
3062                         ;;
3063                 esac
3064         done
3065 fi
3066
3067 CF_SUBDIR_PATH($1,$2,lib)
3068
3069 $1="$cf_library_path_list [$]$1"
3070 ])dnl
3071 dnl ---------------------------------------------------------------------------
3072 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
3073 dnl -------------
3074 dnl Compute the library-prefix for the given host system
3075 dnl $1 = variable to set
3076 define([CF_LIB_PREFIX],
3077 [
3078         case $cf_cv_system_name in #(vi
3079         OS/2*|os2*) #(vi
3080         LIB_PREFIX=''
3081         ;;
3082         *)      LIB_PREFIX='lib'
3083         ;;
3084         esac
3085 ifelse($1,,,[$1=$LIB_PREFIX])
3086         AC_SUBST(LIB_PREFIX)
3087 ])dnl
3088 dnl ---------------------------------------------------------------------------
3089 dnl CF_LIB_RULES version: 64 updated: 2012/02/25 15:20:07
3090 dnl ------------
3091 dnl Append definitions and rules for the given models to the subdirectory
3092 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3093 dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
3094 dnl the corresponding makefile to list the models that we'll generate.
3095 dnl
3096 dnl For shared libraries, make a list of symbolic links to construct when
3097 dnl generating each library.  The convention used for Linux is the simplest
3098 dnl one:
3099 dnl     lib<name>.so    ->
3100 dnl     lib<name>.so.<major>    ->
3101 dnl     lib<name>.so.<maj>.<minor>
3102 AC_DEFUN([CF_LIB_RULES],
3103 [
3104 cf_prefix=$LIB_PREFIX
3105 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3106
3107 case $cf_cv_shlib_version in #(vi
3108 cygdll|mingw)
3109         TINFO_NAME=$TINFO_ARG_SUFFIX
3110         TINFO_SUFFIX=.dll
3111         ;;
3112 esac
3113
3114 if test -n "$TINFO_SUFFIX" ; then
3115         case $TINFO_SUFFIX in
3116         tw*)
3117                 TINFO_NAME="${TINFO_NAME}tw"
3118                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3119                 ;;
3120         t*)
3121                 TINFO_NAME="${TINFO_NAME}t"
3122                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3123                 ;;
3124         w*)
3125                 TINFO_NAME="${TINFO_NAME}w"
3126                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3127                 ;;
3128         esac
3129 fi
3130
3131 for cf_dir in $SRC_SUBDIRS
3132 do
3133         if test ! -d $srcdir/$cf_dir ; then
3134                 continue
3135         elif test -f $srcdir/$cf_dir/modules; then
3136
3137                 SHARED_LIB=
3138                 LIBS_TO_MAKE=
3139                 for cf_item in $cf_LIST_MODELS
3140                 do
3141                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3142                         if test $cf_item = shared ; then
3143                         if test "$cf_cv_do_symlinks" = yes ; then
3144                                 case "$cf_cv_shlib_version" in #(vi
3145                                 rel) #(vi
3146                                         case "$cf_cv_system_name" in #(vi
3147                                         darwin*)
3148                                         case .${LIB_SUFFIX} in
3149                                         .tw*)
3150                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3151                                                 cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
3152                                                 ;;
3153                                         .t*)
3154                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3155                                                 cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
3156                                                 ;;
3157                                         .w*)
3158                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3159                                                 cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
3160                                                 ;;
3161                                         *)
3162                                                 cf_suffix='.${REL_VERSION}'"$cf_suffix"
3163                                                 ;;
3164                                         esac
3165                                         ;; #(vi
3166                                         *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
3167                                         esac
3168                                         ;;
3169                                 abi)
3170                                         case "$cf_cv_system_name" in #(vi
3171                                         darwin*)
3172                                         case .${LIB_SUFFIX} in
3173                                         .tw*)
3174                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3175                                                 cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
3176                                                 ;;
3177                                         .t*)
3178                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3179                                                 cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
3180                                                 ;;
3181                                         .w*)
3182                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3183                                                 cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
3184                                                 ;;
3185                                         *)
3186                                                 cf_suffix='.${ABI_VERSION}'"$cf_suffix"
3187                                                 ;;
3188                                         esac
3189                                         ;; #(vi
3190                                         *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
3191                                         esac
3192                                         ;;
3193                                 esac
3194                         fi
3195                         # cygwin needs import library, and has unique naming convention
3196                         # use autodetected ${cf_prefix} for import lib and static lib, but
3197                         # use 'cyg' prefix for shared lib.
3198                         case $cf_cv_shlib_version in #(vi
3199                         cygdll) #(vi
3200                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3201                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
3202                                 continue
3203                                 ;;
3204                         mingw)
3205                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3206                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/lib${cf_dir}${cf_cygsuf}"
3207                                 continue
3208                                 ;;
3209                         esac
3210                         fi
3211                         LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
3212                 done
3213
3214                 if test $cf_dir = ncurses ; then
3215                         cf_subsets="$LIB_SUBSETS"
3216                         cf_r_parts="$cf_subsets"
3217                         cf_liblist="$LIBS_TO_MAKE"
3218
3219                         while test -n "$cf_r_parts"
3220                         do
3221                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3222                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3223                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3224                                         cf_item=
3225                                         case $cf_l_parts in #(vi
3226                                         *termlib*) #(vi
3227                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3228                                                 ;;
3229                                         *ticlib*)
3230                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3231                                                 ;;
3232                                         *)
3233                                                 break
3234                                                 ;;
3235                                         esac
3236                                         if test -n "$cf_item"; then
3237                                                 LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
3238                                         fi
3239                                 else
3240                                         break
3241                                 fi
3242                         done
3243                 else
3244                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3245                 fi
3246
3247                 sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
3248                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3249                         $cf_dir/Makefile >$cf_dir/Makefile.out
3250                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3251
3252                 $AWK -f $srcdir/mk-0th.awk \
3253                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
3254                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3255
3256                 for cf_subset in $cf_subsets
3257                 do
3258                         cf_subdirs=
3259                         for cf_item in $cf_LIST_MODELS
3260                         do
3261                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3262                         CF_UPPER(cf_ITEM,$cf_item)
3263                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3264                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3265
3266                         # Test for case where we build libtinfo with a different name.
3267                         cf_libname=$cf_dir
3268                         if test $cf_dir = ncurses ; then
3269                                 case $cf_subset in
3270                                 *base*)
3271                                         cf_libname=${cf_libname}$LIB_SUFFIX
3272                                         ;;
3273                                 *termlib*)
3274                                         cf_libname=$TINFO_LIB_SUFFIX
3275                                         ;;
3276                                 ticlib*)
3277                                         cf_libname=$TICS_LIB_SUFFIX
3278                                         ;;
3279                                 esac
3280                         else
3281                                 cf_libname=${cf_libname}$LIB_SUFFIX
3282                         fi
3283                         if test -n "${DFT_ARG_SUFFIX}" ; then
3284                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3285                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3286                         fi
3287
3288                         # These dependencies really are for development, not
3289                         # builds, but they are useful in porting, too.
3290                         cf_depend="../include/ncurses_cfg.h"
3291                         if test "$srcdir" = "."; then
3292                                 cf_reldir="."
3293                         else
3294                                 cf_reldir="\${srcdir}"
3295                         fi
3296
3297                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3298                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3299                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3300                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3301                         fi
3302
3303                         cf_dir_suffix=
3304                         old_cf_suffix="$cf_suffix"
3305                         if test "$cf_cv_shlib_version_infix" = yes ; then
3306                         if test -n "$LIB_SUFFIX" ; then
3307                                 case $LIB_SUFFIX in
3308                                 tw*)
3309                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3310                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3311                                         cf_dir_suffix=tw
3312                                         ;;
3313                                 t*)
3314                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3315                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3316                                         cf_dir_suffix=t
3317                                         ;;
3318                                 w*)
3319                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3320                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3321                                         cf_dir_suffix=w
3322                                         ;;
3323                                 esac
3324                         fi
3325                         fi
3326
3327                         $AWK -f $srcdir/mk-1st.awk \
3328                                 name=${cf_libname}${cf_dir_suffix} \
3329                                 traces=$LIB_TRACING \
3330                                 MODEL=$cf_ITEM \
3331                                 model=$cf_subdir \
3332                                 prefix=$cf_prefix \
3333                                 suffix=$cf_suffix \
3334                                 subset=$cf_subset \
3335                                 driver=$cf_cv_term_driver \
3336                                 SymLink="$LN_S" \
3337                                 TermlibRoot=$TINFO_NAME \
3338                                 TermlibSuffix=$TINFO_SUFFIX \
3339                                 ShlibVer=$cf_cv_shlib_version \
3340                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3341                                 ReLink=${cf_cv_do_relink:-no} \
3342                                 DoLinks=$cf_cv_do_symlinks \
3343                                 rmSoLocs=$cf_cv_rm_so_locs \
3344                                 ldconfig="$LDCONFIG" \
3345                                 overwrite=$WITH_OVERWRITE \
3346                                 depend="$cf_depend" \
3347                                 host="$host" \
3348                                 libtool_version="$LIBTOOL_VERSION" \
3349                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3350
3351                         cf_suffix="$old_cf_suffix"
3352
3353                         for cf_subdir2 in $cf_subdirs lib
3354                         do
3355                                 test $cf_subdir = $cf_subdir2 && break
3356                         done
3357                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3358                         $AWK -f $srcdir/mk-2nd.awk \
3359                                 name=$cf_dir \
3360                                 traces=$LIB_TRACING \
3361                                 MODEL=$cf_ITEM \
3362                                 model=$cf_subdir \
3363                                 subset=$cf_subset \
3364                                 srcdir=$srcdir \
3365                                 echo=$WITH_ECHO \
3366                                 crenames=$cf_cv_prog_CC_c_o \
3367                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3368                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3369                         cf_subdirs="$cf_subdirs $cf_subdir"
3370                         done
3371                 done
3372         fi
3373
3374         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
3375 done
3376
3377 for cf_dir in $SRC_SUBDIRS
3378 do
3379         if test ! -d $srcdir/$cf_dir ; then
3380                 continue
3381         fi
3382
3383         if test -f $cf_dir/Makefile ; then
3384                 case "$cf_dir" in
3385                 Ada95) #(vi
3386                         echo 'libs \' >> Makefile
3387                         echo 'install.libs \' >> Makefile
3388                         echo 'uninstall.libs ::' >> Makefile
3389                         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
3390                         ;;
3391                 esac
3392         fi
3393
3394         if test -f $srcdir/$cf_dir/modules; then
3395                 echo >> Makefile
3396                 if test -f $srcdir/$cf_dir/headers; then
3397 cat >> Makefile <<CF_EOF
3398 install.includes \\
3399 uninstall.includes \\
3400 CF_EOF
3401                 fi
3402 if test "$cf_dir" != "c++" ; then
3403 echo 'lint \' >> Makefile
3404 fi
3405 cat >> Makefile <<CF_EOF
3406 libs \\
3407 lintlib \\
3408 install.libs \\
3409 uninstall.libs \\
3410 install.$cf_dir \\
3411 uninstall.$cf_dir ::
3412         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3413 CF_EOF
3414         elif test -f $srcdir/$cf_dir/headers; then
3415 cat >> Makefile <<CF_EOF
3416
3417 libs \\
3418 install.libs \\
3419 uninstall.libs \\
3420 install.includes \\
3421 uninstall.includes ::
3422         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3423 CF_EOF
3424 fi
3425 done
3426
3427 cat >> Makefile <<CF_EOF
3428
3429 install.libs uninstall.libs \\
3430 install.data uninstall.data ::
3431 $MAKE_TERMINFO  cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
3432 CF_EOF
3433
3434 if test "x$cf_with_manpages" = xyes; then
3435 cat >> Makefile <<CF_EOF
3436
3437 install.man \\
3438 uninstall.man ::
3439         cd man && \${MAKE} \${CF_MFLAGS} \[$]@
3440 CF_EOF
3441 fi
3442
3443 cat >> Makefile <<CF_EOF
3444
3445 distclean ::
3446         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3447         rm -f headers.sh headers.sed mk_shared_lib.sh
3448         rm -f edit_man.* man_alias.*
3449         rm -rf \${DIRS_TO_MAKE}
3450 CF_EOF
3451
3452 # Special case: tack's manpage lives in its own directory.
3453 if test "x$cf_with_manpages" = xyes; then
3454 if test -d tack ; then
3455 if test -f $srcdir/$tack.h; then
3456 cat >> Makefile <<CF_EOF
3457
3458 install.man \\
3459 uninstall.man ::
3460         cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
3461 CF_EOF
3462 fi
3463 fi
3464 fi
3465
3466 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3467 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3468 dnl anything, and will make it more standardized.  It's awkward to decide this
3469 dnl at configuration because of quoting, so we'll simply make all headers
3470 dnl installed via a script that can do the right thing.
3471
3472 rm -f headers.sed headers.sh
3473
3474 dnl ( generating this script makes the makefiles a little tidier :-)
3475 echo creating headers.sh
3476 cat >headers.sh <<CF_EOF
3477 #! /bin/sh
3478 # This shell script is generated by the 'configure' script.  It is invoked in a
3479 # subdirectory of the build tree.  It generates a sed-script in the parent
3480 # directory that is used to adjust includes for header files that reside in a
3481 # subdirectory of /usr/include, etc.
3482 PRG=""
3483 while test \[$]# != 3
3484 do
3485 PRG="\$PRG \[$]1"; shift
3486 done
3487 DST=\[$]1
3488 REF=\[$]2
3489 SRC=\[$]3
3490 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3491 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3492 echo installing \$SRC in \$DST
3493 CF_EOF
3494
3495 if test $WITH_CURSES_H = yes; then
3496         cat >>headers.sh <<CF_EOF
3497 case \$DST in
3498 /*/include/*)
3499         END=\`basename \$DST\`
3500         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3501         do
3502                 NAME=\`basename \$i\`
3503                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3504         done
3505         ;;
3506 *)
3507         echo "" >> \$TMPSED
3508         ;;
3509 esac
3510 CF_EOF
3511
3512 else
3513         cat >>headers.sh <<CF_EOF
3514 case \$DST in
3515 /*/include/*)
3516         END=\`basename \$DST\`
3517         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3518         do
3519                 NAME=\`basename \$i\`
3520                 if test "\$NAME" = "curses.h"
3521                 then
3522                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3523                         NAME=ncurses.h
3524                 fi
3525                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3526         done
3527         ;;
3528 *)
3529         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3530         ;;
3531 esac
3532 CF_EOF
3533 fi
3534 cat >>headers.sh <<CF_EOF
3535 rm -f \$TMPSRC
3536 sed -f \$TMPSED \$SRC > \$TMPSRC
3537 NAME=\`basename \$SRC\`
3538 CF_EOF
3539 if test $WITH_CURSES_H != yes; then
3540         cat >>headers.sh <<CF_EOF
3541 test "\$NAME" = "curses.h" && NAME=ncurses.h
3542 CF_EOF
3543 fi
3544 cat >>headers.sh <<CF_EOF
3545 # Just in case someone gzip'd manpages, remove the conflicting copy.
3546 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3547
3548 eval \$PRG \$TMPSRC \$DST/\$NAME
3549 rm -f \$TMPSRC \$TMPSED
3550 CF_EOF
3551
3552 chmod 0755 headers.sh
3553
3554 for cf_dir in $SRC_SUBDIRS
3555 do
3556         if test ! -d $srcdir/$cf_dir ; then
3557                 continue
3558         fi
3559
3560         if test -f $srcdir/$cf_dir/headers; then
3561                 $AWK -f $srcdir/mk-hdr.awk \
3562                         subset="$LIB_SUBSETS" \
3563                         compat="$WITH_CURSES_H" \
3564                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3565         fi
3566
3567         if test -f $srcdir/$cf_dir/modules; then
3568                 if test "$cf_dir" != "c++" ; then
3569                         cat >>$cf_dir/Makefile <<"CF_EOF"
3570 depend : ${AUTO_SRC}
3571         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3572
3573 # DO NOT DELETE THIS LINE -- make depend depends on it.
3574 CF_EOF
3575                 fi
3576         fi
3577 done
3578 AC_SUBST(LIBS_TO_MAKE)
3579 ])dnl
3580 dnl ---------------------------------------------------------------------------
3581 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3582 dnl -------------
3583 dnl Find the and soname for the given shared library.  Set the cache variable
3584 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3585 dnl variable to "unknown".
3586 dnl
3587 dnl $1 = headers
3588 dnl $2 = code
3589 dnl $3 = library name
3590 AC_DEFUN([CF_LIB_SONAME],
3591 [
3592 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3593
3594 cf_cv_$3_soname=unknown
3595 if test "$cross_compiling" != yes ; then
3596 cat >conftest.$ac_ext <<CF_EOF
3597 $1
3598 int main()
3599 {
3600 $2
3601         ${cf_cv_main_return:-return}(0);
3602 }
3603 CF_EOF
3604 cf_save_LIBS="$LIBS"
3605         CF_ADD_LIB($3)
3606         if AC_TRY_EVAL(ac_compile) ; then
3607                 if AC_TRY_EVAL(ac_link) ; then
3608                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3609                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3610                 fi
3611         fi
3612 rm -rf conftest*
3613 LIBS="$cf_save_LIBS"
3614 fi
3615 ])
3616 ])
3617 dnl ---------------------------------------------------------------------------
3618 dnl CF_LIB_SUFFIX version: 18 updated: 2012/02/25 15:20:07
3619 dnl -------------
3620 dnl Compute the library file-suffix from the given model name
3621 dnl $1 = model name
3622 dnl $2 = variable to set (the nominal library suffix)
3623 dnl $3 = dependency variable to set (actual filename)
3624 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3625 AC_DEFUN([CF_LIB_SUFFIX],
3626 [
3627         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3628         case $1 in #(vi
3629         libtool) #(vi
3630                 $2='.la'
3631                 $3=[$]$2
3632                 ;;
3633         normal) #(vi
3634                 $2='.a'
3635                 $3=[$]$2
3636                 ;;
3637         debug) #(vi
3638                 $2='_g.a'
3639                 $3=[$]$2
3640                 ;;
3641         profile) #(vi
3642                 $2='_p.a'
3643                 $3=[$]$2
3644                 ;;
3645         shared) #(vi
3646                 case $cf_cv_system_name in
3647                 aix[[5-7]]*) #(vi
3648                         $2='.a'
3649                         $3=[$]$2
3650                         ;;
3651                 cygwin*|mingw*) #(vi
3652                         $2='.dll'
3653                         $3='.dll.a'
3654                         ;;
3655                 darwin*) #(vi
3656                         $2='.dylib'
3657                         $3=[$]$2
3658                         ;;
3659                 hpux*) #(vi
3660                         case $target in
3661                         ia64*) #(vi
3662                                 $2='.so'
3663                                 $3=[$]$2
3664                                 ;;
3665                         *) #(vi
3666                                 $2='.sl'
3667                                 $3=[$]$2
3668                                 ;;
3669                         esac
3670                         ;;
3671                 *)      $2='.so'
3672                         $3=[$]$2
3673                         ;;
3674                 esac
3675         esac
3676         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3677         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3678 ])dnl
3679 dnl ---------------------------------------------------------------------------
3680 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3681 dnl -----------
3682 dnl Compute the string to append to -library from the given model name
3683 dnl $1 = model name
3684 dnl $2 = variable to set
3685 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3686 AC_DEFUN([CF_LIB_TYPE],
3687 [
3688         case $1 in
3689         libtool) $2=''   ;;
3690         normal)  $2=''   ;;
3691         debug)   $2='_g' ;;
3692         profile) $2='_p' ;;
3693         shared)  $2=''   ;;
3694         esac
3695         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3696 ])dnl
3697 dnl ---------------------------------------------------------------------------
3698 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
3699 dnl ----------------
3700 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3701 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3702 dnl have to provide wrappers for global tables to ensure they're linked
3703 dnl properly.
3704 AC_DEFUN([CF_LINK_DATAONLY],
3705 [
3706 AC_MSG_CHECKING([if data-only library module links])
3707 AC_CACHE_VAL(cf_cv_link_dataonly,[
3708         rm -f conftest.a
3709         cat >conftest.$ac_ext <<EOF
3710 #line __oline__ "configure"
3711 int     testdata[[3]] = { 123, 456, 789 };
3712 EOF
3713         if AC_TRY_EVAL(ac_compile) ; then
3714                 mv conftest.o data.o && \
3715                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3716         fi
3717         rm -f conftest.$ac_ext data.o
3718         cat >conftest.$ac_ext <<EOF
3719 #line __oline__ "configure"
3720 int     testfunc()
3721 {
3722 #if defined(NeXT)
3723         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3724 #else
3725         extern int testdata[[3]];
3726         return testdata[[0]] == 123
3727            &&  testdata[[1]] == 456
3728            &&  testdata[[2]] == 789;
3729 #endif
3730 }
3731 EOF
3732         if AC_TRY_EVAL(ac_compile); then
3733                 mv conftest.o func.o && \
3734                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3735         fi
3736         rm -f conftest.$ac_ext func.o
3737         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3738         cf_saveLIBS="$LIBS"
3739         LIBS="conftest.a $LIBS"
3740         AC_TRY_RUN([
3741         int main()
3742         {
3743                 extern int testfunc();
3744                 ${cf_cv_main_return:-return} (!testfunc());
3745         }
3746         ],
3747         [cf_cv_link_dataonly=yes],
3748         [cf_cv_link_dataonly=no],
3749         [cf_cv_link_dataonly=unknown])
3750         LIBS="$cf_saveLIBS"
3751