ncurses 5.9 - patch 20110910
[ncurses.git] / Ada95 / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 2010,2011 Free Software Foundation, Inc.                   *
3 dnl                                                                          *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
5 dnl copy of this software and associated documentation files (the            *
6 dnl "Software"), to deal in the Software without restriction, including      *
7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
9 dnl copies of the Software, and to permit persons to whom the Software is    *
10 dnl furnished to do so, subject to the following conditions:                 *
11 dnl                                                                          *
12 dnl The above copyright notice and this permission notice shall be included  *
13 dnl in all copies or substantial portions of the Software.                   *
14 dnl                                                                          *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 dnl                                                                          *
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
30 dnl
31 dnl $Id: aclocal.m4,v 1.37 2011/09/10 21:36:41 tom Exp $
32 dnl Macros used in NCURSES Ada95 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 CF_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
45 dnl
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define(CF_ACVERSION_CHECK,
50 [
51 ifdef([m4_version_compare],
52 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
53 [CF_ACVERSION_COMPARE(
54 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
56 dnl ---------------------------------------------------------------------------
57 dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50
58 dnl --------------------
59 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
60 dnl                      MAJOR2, MINOR2, TERNARY2,
61 dnl                      PRINTABLE2, not FOUND, FOUND)
62 define(CF_ACVERSION_COMPARE,
63 [ifelse(builtin([eval], [$2 < $5]), 1,
64 [ifelse([$8], , ,[$8])],
65 [ifelse([$9], , ,[$9])])])dnl
66 dnl ---------------------------------------------------------------------------
67 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
68 dnl -------------------
69 dnl Construct the list of include-options for the C programs in the Ada95
70 dnl binding.
71 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
72 [
73 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
74 if test "$srcdir" != "."; then
75         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
76 fi
77 if test "$GCC" != yes; then
78         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
79 elif test "$includedir" != "/usr/include"; then
80         if test "$includedir" = '${prefix}/include' ; then
81                 if test $prefix != /usr ; then
82                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
83                 fi
84         else
85                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86         fi
87 fi
88 AC_SUBST(ACPPFLAGS)
89 ])dnl
90 dnl ---------------------------------------------------------------------------
91 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
92 dnl ---------------
93 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
94 AC_DEFUN([CF_ADD_ADAFLAGS],[
95         ADAFLAGS="$ADAFLAGS $1"
96         AC_SUBST(ADAFLAGS)
97 ])dnl
98 dnl ---------------------------------------------------------------------------
99 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
100 dnl -------------
101 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
102 dnl The second parameter if given makes this macro verbose.
103 dnl
104 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
105 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
106 dnl confused by the quotes (which require backslashes to keep them usable).
107 AC_DEFUN([CF_ADD_CFLAGS],
108 [
109 cf_fix_cppflags=no
110 cf_new_cflags=
111 cf_new_cppflags=
112 cf_new_extra_cppflags=
113
114 for cf_add_cflags in $1
115 do
116 case $cf_fix_cppflags in
117 no)
118         case $cf_add_cflags in #(vi
119         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
120                 case $cf_add_cflags in
121                 -D*)
122                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
123
124                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
125                                 && test -z "${cf_tst_cflags}" \
126                                 && cf_fix_cppflags=yes
127
128                         if test $cf_fix_cppflags = yes ; then
129                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
130                                 continue
131                         elif test "${cf_tst_cflags}" = "\"'" ; then
132                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
133                                 continue
134                         fi
135                         ;;
136                 esac
137                 case "$CPPFLAGS" in
138                 *$cf_add_cflags) #(vi
139                         ;;
140                 *) #(vi
141                         case $cf_add_cflags in #(vi
142                         -D*)
143                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
144                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
145                                 ;;
146                         esac
147                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
148                         ;;
149                 esac
150                 ;;
151         *)
152                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
153                 ;;
154         esac
155         ;;
156 yes)
157         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
158
159         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
160
161         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
162                 && test -z "${cf_tst_cflags}" \
163                 && cf_fix_cppflags=no
164         ;;
165 esac
166 done
167
168 if test -n "$cf_new_cflags" ; then
169         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
170         CFLAGS="$CFLAGS $cf_new_cflags"
171 fi
172
173 if test -n "$cf_new_cppflags" ; then
174         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
175         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
176 fi
177
178 if test -n "$cf_new_extra_cppflags" ; then
179         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
180         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
181 fi
182
183 AC_SUBST(EXTRA_CPPFLAGS)
184
185 ])dnl
186 dnl ---------------------------------------------------------------------------
187 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
188 dnl -------------
189 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
190 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
191 dnl but old versions (and some misinstalled ones) need that.  To make things
192 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
193 dnl the include-path).
194 AC_DEFUN([CF_ADD_INCDIR],
195 [
196 if test -n "$1" ; then
197   for cf_add_incdir in $1
198   do
199         while test $cf_add_incdir != /usr/include
200         do
201           if test -d $cf_add_incdir
202           then
203                 cf_have_incdir=no
204                 if test -n "$CFLAGS$CPPFLAGS" ; then
205                   # a loop is needed to ensure we can add subdirs of existing dirs
206                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
207                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
208                           cf_have_incdir=yes; break
209                         fi
210                   done
211                 fi
212
213                 if test "$cf_have_incdir" = no ; then
214                   if test "$cf_add_incdir" = /usr/local/include ; then
215                         if test "$GCC" = yes
216                         then
217                           cf_save_CPPFLAGS=$CPPFLAGS
218                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
219                           AC_TRY_COMPILE([#include <stdio.h>],
220                                   [printf("Hello")],
221                                   [],
222                                   [cf_have_incdir=yes])
223                           CPPFLAGS=$cf_save_CPPFLAGS
224                         fi
225                   fi
226                 fi
227
228                 if test "$cf_have_incdir" = no ; then
229                   CF_VERBOSE(adding $cf_add_incdir to include-path)
230                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
231
232                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
233                   test "$cf_top_incdir" = "$cf_add_incdir" && break
234                   cf_add_incdir="$cf_top_incdir"
235                 else
236                   break
237                 fi
238           fi
239         done
240   done
241 fi
242 ])dnl
243 dnl ---------------------------------------------------------------------------
244 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
245 dnl ----------
246 dnl Add a library, used to enforce consistency.
247 dnl
248 dnl $1 = library to add, without the "-l"
249 dnl $2 = variable to update (default $LIBS)
250 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
251 dnl ---------------------------------------------------------------------------
252 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
253 dnl -------------
254 dnl     Adds to the library-path
255 dnl
256 dnl     Some machines have trouble with multiple -L options.
257 dnl
258 dnl $1 is the (list of) directory(s) to add
259 dnl $2 is the optional name of the variable to update (default LDFLAGS)
260 dnl
261 AC_DEFUN([CF_ADD_LIBDIR],
262 [
263 if test -n "$1" ; then
264   for cf_add_libdir in $1
265   do
266     if test $cf_add_libdir = /usr/lib ; then
267       :
268     elif test -d $cf_add_libdir
269     then
270       cf_have_libdir=no
271       if test -n "$LDFLAGS$LIBS" ; then
272         # a loop is needed to ensure we can add subdirs of existing dirs
273         for cf_test_libdir in $LDFLAGS $LIBS ; do
274           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
275             cf_have_libdir=yes; break
276           fi
277         done
278       fi
279       if test "$cf_have_libdir" = no ; then
280         CF_VERBOSE(adding $cf_add_libdir to library-path)
281         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
282       fi
283     fi
284   done
285 fi
286 ])dnl
287 dnl ---------------------------------------------------------------------------
288 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
289 dnl -----------
290 dnl Add one or more libraries, used to enforce consistency.
291 dnl
292 dnl $1 = libraries to add, with the "-l", etc.
293 dnl $2 = variable to update (default $LIBS)
294 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
295 dnl ---------------------------------------------------------------------------
296 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
297 dnl ------------------
298 dnl Append to a search-list for a nonstandard header/lib-file
299 dnl     $1 = the variable to return as result
300 dnl     $2 = the package name
301 dnl     $3 = the subdirectory, e.g., bin, include or lib
302 dnl $4 = the directory under which we will test for subdirectories
303 dnl $5 = a directory that we do not want $4 to match
304 AC_DEFUN([CF_ADD_SUBDIR_PATH],
305 [
306 test "$4" != "$5" && \
307 test -d "$4" && \
308 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
309         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
310         test -d $4/$3 &&          $1="[$]$1 $4/$3"
311         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
312         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
313         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
314         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
315 }
316 ])dnl
317 dnl ---------------------------------------------------------------------------
318 dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
319 dnl ----------------
320 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
321 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
322 AC_DEFUN([CF_ANSI_CC_CHECK],
323 [
324 # This should have been defined by AC_PROG_CC
325 : ${CC:=cc}
326
327 # Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
328 # into CC.  This will not help with broken scripts that wrap the compiler with
329 # options, but eliminates a more common category of user confusion.
330 AC_MSG_CHECKING(\$CC variable)
331 case "$CC" in #(vi
332 *[[\ \  ]]-[[IUD]]*)
333         AC_MSG_RESULT(broken)
334         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
335         # humor him...
336         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
337         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
338         CF_ADD_CFLAGS($cf_flags)
339         ;;
340 *)
341         AC_MSG_RESULT(ok)
342         ;;
343 esac
344
345 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
346 cf_cv_ansi_cc=no
347 cf_save_CFLAGS="$CFLAGS"
348 cf_save_CPPFLAGS="$CPPFLAGS"
349 # Don't try gcc -ansi; that turns off useful extensions and
350 # breaks some systems' header files.
351 # AIX                   -qlanglvl=ansi
352 # Ultrix and OSF/1      -std1
353 # HP-UX                 -Aa -D_HPUX_SOURCE
354 # SVR4                  -Xc
355 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
356 for cf_arg in "-DCC_HAS_PROTOS" \
357         "" \
358         -qlanglvl=ansi \
359         -std1 \
360         -Ae \
361         "-Aa -D_HPUX_SOURCE" \
362         -Xc
363 do
364         CF_ADD_CFLAGS($cf_arg)
365         AC_TRY_COMPILE(
366 [
367 #ifndef CC_HAS_PROTOS
368 #if !defined(__STDC__) || (__STDC__ != 1)
369 choke me
370 #endif
371 #endif
372 ],[
373         int test (int i, double x);
374         struct s1 {int (*f) (int a);};
375         struct s2 {int (*f) (double a);};],
376         [cf_cv_ansi_cc="$cf_arg"; break])
377 done
378 CFLAGS="$cf_save_CFLAGS"
379 CPPFLAGS="$cf_save_CPPFLAGS"
380 ])
381
382 if test "$cf_cv_ansi_cc" != "no"; then
383 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
384         CF_ADD_CFLAGS($cf_cv_ansi_cc)
385 else
386         AC_DEFINE(CC_HAS_PROTOS)
387 fi
388 fi
389 ])dnl
390 dnl ---------------------------------------------------------------------------
391 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
392 dnl ---------------
393 dnl For programs that must use an ANSI compiler, obtain compiler options that
394 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
395 dnl macros, since tools such as unproto can fake prototypes, but only part of
396 dnl the preprocessor.
397 AC_DEFUN([CF_ANSI_CC_REQD],
398 [AC_REQUIRE([CF_ANSI_CC_CHECK])
399 if test "$cf_cv_ansi_cc" = "no"; then
400         AC_MSG_ERROR(
401 [Your compiler does not appear to recognize prototypes.
402 You have the following choices:
403         a. adjust your compiler options
404         b. get an up-to-date compiler
405         c. use a wrapper such as unproto])
406 fi
407 ])dnl
408 dnl ---------------------------------------------------------------------------
409 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
410 dnl -----------
411 dnl Check for suitable "ar" (archiver) options for updating an archive.
412 AC_DEFUN([CF_AR_FLAGS],[
413 AC_REQUIRE([CF_PROG_AR])
414
415 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
416         cf_cv_ar_flags=unknown
417         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
418         do
419
420                 # check if $ARFLAGS already contains this choice
421                 if test "x$ARFLAGS" != "x" ; then
422                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
423                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
424                                 cf_cv_ar_flags=
425                                 break
426                         fi
427                 fi
428
429                 rm -f conftest.$ac_cv_objext
430                 rm -f conftest.a
431
432                 cat >conftest.$ac_ext <<EOF
433 #line __oline__ "configure"
434 int     testdata[[3]] = { 123, 456, 789 };
435 EOF
436                 if AC_TRY_EVAL(ac_compile) ; then
437                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
438                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
439                         if test -f conftest.a ; then
440                                 cf_cv_ar_flags=$cf_ar_flags
441                                 break
442                         fi
443                 else
444                         CF_VERBOSE(cannot compile test-program)
445                         break
446                 fi
447         done
448         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
449 ])
450
451 if test -n "$ARFLAGS" ; then
452         if test -n "$cf_cv_ar_flags" ; then
453                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
454         fi
455 else
456         ARFLAGS=$cf_cv_ar_flags
457 fi
458
459 AC_SUBST(ARFLAGS)
460 ])
461 dnl ---------------------------------------------------------------------------
462 dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
463 dnl -----------
464 dnl If we're cross-compiling, allow the user to override the tools and their
465 dnl options.  The configure script is oriented toward identifying the host
466 dnl compiler, etc., but we need a build compiler to generate parts of the
467 dnl source.
468 dnl
469 dnl $1 = default for $CPPFLAGS
470 dnl $2 = default for $LIBS
471 AC_DEFUN([CF_BUILD_CC],[
472 AC_REQUIRE([CF_PROG_EXT])
473 if test "$cross_compiling" = yes ; then
474
475         # defaults that we might want to override
476         : ${BUILD_CFLAGS:=''}
477         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
478         : ${BUILD_LDFLAGS:=''}
479         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
480         : ${BUILD_EXEEXT:='$x'}
481         : ${BUILD_OBJEXT:='o'}
482
483         AC_ARG_WITH(build-cc,
484                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
485                 [BUILD_CC="$withval"],
486                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
487         AC_MSG_CHECKING(for native build C compiler)
488         AC_MSG_RESULT($BUILD_CC)
489
490         AC_MSG_CHECKING(for native build C preprocessor)
491         AC_ARG_WITH(build-cpp,
492                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
493                 [BUILD_CPP="$withval"],
494                 [BUILD_CPP='${BUILD_CC} -E'])
495         AC_MSG_RESULT($BUILD_CPP)
496
497         AC_MSG_CHECKING(for native build C flags)
498         AC_ARG_WITH(build-cflags,
499                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
500                 [BUILD_CFLAGS="$withval"])
501         AC_MSG_RESULT($BUILD_CFLAGS)
502
503         AC_MSG_CHECKING(for native build C preprocessor-flags)
504         AC_ARG_WITH(build-cppflags,
505                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
506                 [BUILD_CPPFLAGS="$withval"])
507         AC_MSG_RESULT($BUILD_CPPFLAGS)
508
509         AC_MSG_CHECKING(for native build linker-flags)
510         AC_ARG_WITH(build-ldflags,
511                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
512                 [BUILD_LDFLAGS="$withval"])
513         AC_MSG_RESULT($BUILD_LDFLAGS)
514
515         AC_MSG_CHECKING(for native build linker-libraries)
516         AC_ARG_WITH(build-libs,
517                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
518                 [BUILD_LIBS="$withval"])
519         AC_MSG_RESULT($BUILD_LIBS)
520
521         # this assumes we're on Unix.
522         BUILD_EXEEXT=
523         BUILD_OBJEXT=o
524
525         : ${BUILD_CC:='${CC}'}
526
527         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
528                 AC_MSG_ERROR([Cross-build requires two compilers.
529 Use --with-build-cc to specify the native compiler.])
530         fi
531
532 else
533         : ${BUILD_CC:='${CC}'}
534         : ${BUILD_CPP:='${CPP}'}
535         : ${BUILD_CFLAGS:='${CFLAGS}'}
536         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
537         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
538         : ${BUILD_LIBS:='${LIBS}'}
539         : ${BUILD_EXEEXT:='$x'}
540         : ${BUILD_OBJEXT:='o'}
541 fi
542
543 AC_SUBST(BUILD_CC)
544 AC_SUBST(BUILD_CPP)
545 AC_SUBST(BUILD_CFLAGS)
546 AC_SUBST(BUILD_CPPFLAGS)
547 AC_SUBST(BUILD_LDFLAGS)
548 AC_SUBST(BUILD_LIBS)
549 AC_SUBST(BUILD_EXEEXT)
550 AC_SUBST(BUILD_OBJEXT)
551 ])dnl
552 dnl ---------------------------------------------------------------------------
553 dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
554 dnl ---------------
555 dnl Determine the default configuration into which we'll install ncurses.  This
556 dnl can be overridden by the user's command-line options.  There's two items to
557 dnl look for:
558 dnl     1. the prefix (e.g., /usr)
559 dnl     2. the header files (e.g., /usr/include/ncurses)
560 dnl We'll look for a previous installation of ncurses and use the same defaults.
561 dnl
562 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
563 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
564 dnl programs from a vendor's.
565 AC_DEFUN([CF_CFG_DEFAULTS],
566 [
567 AC_MSG_CHECKING(for prefix)
568 if test "x$prefix" = "xNONE" ; then
569         case "$cf_cv_system_name" in
570                 # non-vendor systems don't have a conflict
571         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
572                 prefix=/usr
573                 ;;
574         *)      prefix=$ac_default_prefix
575                 ;;
576         esac
577 fi
578 AC_MSG_RESULT($prefix)
579
580 if test "x$prefix" = "xNONE" ; then
581 AC_MSG_CHECKING(for default include-directory)
582 test -n "$verbose" && echo 1>&AC_FD_MSG
583 for cf_symbol in \
584         $includedir \
585         $includedir/ncurses \
586         $prefix/include \
587         $prefix/include/ncurses \
588         /usr/local/include \
589         /usr/local/include/ncurses \
590         /usr/include \
591         /usr/include/ncurses
592 do
593         cf_dir=`eval echo $cf_symbol`
594         if test -f $cf_dir/curses.h ; then
595         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
596                 includedir="$cf_symbol"
597                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
598                 break
599         fi
600         fi
601         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
602 done
603 AC_MSG_RESULT($includedir)
604 fi
605 ])dnl
606 dnl ---------------------------------------------------------------------------
607 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
608 dnl --------------
609 dnl Check if we're accidentally using a cache from a different machine.
610 dnl Derive the system name, as a check for reusing the autoconf cache.
611 dnl
612 dnl If we've packaged config.guess and config.sub, run that (since it does a
613 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
614 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
615 dnl which is useful in cross-compiles.
616 dnl
617 dnl Note: we would use $ac_config_sub, but that is one of the places where
618 dnl autoconf 2.5x broke compatibility with autoconf 2.13
619 AC_DEFUN([CF_CHECK_CACHE],
620 [
621 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
622         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
623         system_name="$host_os"
624 else
625         system_name="`(uname -s -r) 2>/dev/null`"
626         if test -z "$system_name" ; then
627                 system_name="`(hostname) 2>/dev/null`"
628         fi
629 fi
630 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
631 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
632
633 test -z "$system_name" && system_name="$cf_cv_system_name"
634 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
635
636 if test ".$system_name" != ".$cf_cv_system_name" ; then
637         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
638         AC_MSG_ERROR("Please remove config.cache and try again.")
639 fi
640 ])dnl
641 dnl ---------------------------------------------------------------------------
642 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
643 dnl ----------------
644 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
645 dnl variations of ncurses' installs.
646 dnl
647 dnl $1 = ncurses when looking for ncurses, or is empty
648 AC_DEFUN([CF_CURSES_HEADER],[
649 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
650 cf_cv_ncurses_header=none
651 for cf_header in ifelse($1,,,[ \
652     $1/ncurses.h \
653         $1/curses.h]) \
654         ncurses.h \
655         curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
656 do
657 AC_TRY_COMPILE([#include <${cf_header}>],
658         [initscr(); tgoto("?", 0,0)],
659         [cf_cv_ncurses_header=$cf_header; break],[])
660 done
661 ])
662
663 if test "$cf_cv_ncurses_header" = none ; then
664         AC_MSG_ERROR(No curses header-files found)
665 fi
666
667 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
668 AC_CHECK_HEADERS($cf_cv_ncurses_header)
669 ])dnl
670 dnl ---------------------------------------------------------------------------
671 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
672 dnl ----------
673 dnl "dirname" is not portable, so we fake it with a shell script.
674 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
675 dnl ---------------------------------------------------------------------------
676 dnl CF_ENABLE_PC_FILES version: 6 updated: 2011/09/10 16:31:04
677 dnl ------------------
678 dnl This is the "--enable-pc-files" option, which is available if there is a
679 dnl pkg-config configuration on the local machine.
680 AC_DEFUN([CF_ENABLE_PC_FILES],[
681 AC_REQUIRE([CF_PKG_CONFIG])
682 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
683
684 if test "$PKG_CONFIG" != no ; then
685         if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then
686                 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
687                 AC_ARG_ENABLE(pc-files,
688                         [  --enable-pc-files       generate and install .pc files for pkg-config],
689                         [enable_pc_files=$enableval],
690                         [enable_pc_files=no])
691                 AC_MSG_RESULT($enable_pc_files)
692         elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then
693                 enable_pc_files=no
694                 AC_MSG_WARN(did not find $PKG_CONFIG library)
695         fi
696 else
697         enable_pc_files=no
698 fi
699 ])dnl
700 dnl ---------------------------------------------------------------------------
701 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
702 dnl ---------------
703 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
704 dnl prefer a standard location, and use -L options only if we do not find the
705 dnl library in the standard library location(s).
706 dnl     $1 = library name
707 dnl     $2 = library class, usually the same as library name
708 dnl     $3 = includes
709 dnl     $4 = code fragment to compile/link
710 dnl     $5 = corresponding function-name
711 dnl     $6 = flag, nonnull if failure should not cause an error-exit
712 dnl
713 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
714 dnl to use a -L option.
715 AC_DEFUN([CF_FIND_LIBRARY],
716 [
717         eval 'cf_cv_have_lib_'$1'=no'
718         cf_libdir=""
719         AC_CHECK_FUNC($5,
720                 eval 'cf_cv_have_lib_'$1'=yes',[
721                 cf_save_LIBS="$LIBS"
722                 AC_MSG_CHECKING(for $5 in -l$1)
723                 LIBS="-l$1 $LIBS"
724                 AC_TRY_LINK([$3],[$4],
725                         [AC_MSG_RESULT(yes)
726                          eval 'cf_cv_have_lib_'$1'=yes'
727                         ],
728                         [AC_MSG_RESULT(no)
729                         CF_LIBRARY_PATH(cf_search,$2)
730                         for cf_libdir in $cf_search
731                         do
732                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
733                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
734                                 AC_TRY_LINK([$3],[$4],
735                                         [AC_MSG_RESULT(yes)
736                                          eval 'cf_cv_have_lib_'$1'=yes'
737                                          break],
738                                         [AC_MSG_RESULT(no)
739                                          LIBS="$cf_save_LIBS"])
740                         done
741                         ])
742                 ])
743 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
744 ifelse($6,,[
745 if test $cf_found_library = no ; then
746         AC_MSG_ERROR(Cannot link $1 library)
747 fi
748 ])
749 ])dnl
750 dnl ---------------------------------------------------------------------------
751 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
752 dnl ---------------
753 dnl Find a library (specifically the linkage used in the code fragment),
754 dnl searching for it if it is not already in the library path.
755 dnl See also CF_ADD_SEARCHPATH.
756 dnl
757 dnl Parameters (4-on are optional):
758 dnl     $1 = headers for library entrypoint
759 dnl     $2 = code fragment for library entrypoint
760 dnl     $3 = the library name without the "-l" option or ".so" suffix.
761 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
762 dnl     $5 = action to perform if not successful
763 dnl     $6 = module name, if not the same as the library name
764 dnl     $7 = extra libraries
765 dnl
766 dnl Sets these variables:
767 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
768 dnl     $cf_cv_header_path_$3 - include-directory if needed
769 dnl     $cf_cv_library_path_$3 - library-directory if needed
770 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
771 AC_DEFUN([CF_FIND_LINKAGE],[
772
773 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
774 # will be set on completion of the AC_TRY_LINK below.
775 cf_cv_header_path_$3=
776 cf_cv_library_path_$3=
777
778 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
779
780 cf_save_LIBS="$LIBS"
781
782 AC_TRY_LINK([$1],[$2],[
783         cf_cv_find_linkage_$3=yes
784         cf_cv_header_path_$3=/usr/include
785         cf_cv_library_path_$3=/usr/lib
786 ],[
787
788 LIBS="-l$3 $7 $cf_save_LIBS"
789
790 AC_TRY_LINK([$1],[$2],[
791         cf_cv_find_linkage_$3=yes
792         cf_cv_header_path_$3=/usr/include
793         cf_cv_library_path_$3=/usr/lib
794         cf_cv_library_file_$3="-l$3"
795 ],[
796         cf_cv_find_linkage_$3=no
797         LIBS="$cf_save_LIBS"
798
799     CF_VERBOSE(find linkage for $3 library)
800     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
801
802     cf_save_CPPFLAGS="$CPPFLAGS"
803     cf_test_CPPFLAGS="$CPPFLAGS"
804
805     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
806     for cf_cv_header_path_$3 in $cf_search
807     do
808       if test -d $cf_cv_header_path_$3 ; then
809         CF_VERBOSE(... testing $cf_cv_header_path_$3)
810         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
811         AC_TRY_COMPILE([$1],[$2],[
812             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
813             cf_cv_find_linkage_$3=maybe
814             cf_test_CPPFLAGS="$CPPFLAGS"
815             break],[
816             CPPFLAGS="$cf_save_CPPFLAGS"
817             ])
818       fi
819     done
820
821     if test "$cf_cv_find_linkage_$3" = maybe ; then
822
823       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
824
825       cf_save_LIBS="$LIBS"
826       cf_save_LDFLAGS="$LDFLAGS"
827
828       ifelse([$6],,,[
829         CPPFLAGS="$cf_test_CPPFLAGS"
830         LIBS="-l$3 $7 $cf_save_LIBS"
831         AC_TRY_LINK([$1],[$2],[
832             CF_VERBOSE(... found $3 library in system)
833             cf_cv_find_linkage_$3=yes])
834             CPPFLAGS="$cf_save_CPPFLAGS"
835             LIBS="$cf_save_LIBS"
836             ])
837
838       if test "$cf_cv_find_linkage_$3" != yes ; then
839         CF_LIBRARY_PATH(cf_search,$3)
840         for cf_cv_library_path_$3 in $cf_search
841         do
842           if test -d $cf_cv_library_path_$3 ; then
843             CF_VERBOSE(... testing $cf_cv_library_path_$3)
844             CPPFLAGS="$cf_test_CPPFLAGS"
845             LIBS="-l$3 $7 $cf_save_LIBS"
846             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
847             AC_TRY_LINK([$1],[$2],[
848                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
849                 cf_cv_find_linkage_$3=yes
850                 cf_cv_library_file_$3="-l$3"
851                 break],[
852                 CPPFLAGS="$cf_save_CPPFLAGS"
853                 LIBS="$cf_save_LIBS"
854                 LDFLAGS="$cf_save_LDFLAGS"
855                 ])
856           fi
857         done
858         CPPFLAGS="$cf_save_CPPFLAGS"
859         LDFLAGS="$cf_save_LDFLAGS"
860       fi
861
862     else
863       cf_cv_find_linkage_$3=no
864     fi
865     ],$7)
866 ])
867
868 LIBS="$cf_save_LIBS"
869
870 if test "$cf_cv_find_linkage_$3" = yes ; then
871 ifelse([$4],,[
872         CF_ADD_INCDIR($cf_cv_header_path_$3)
873         CF_ADD_LIBDIR($cf_cv_library_path_$3)
874         CF_ADD_LIB($3)
875 ],[$4])
876 else
877 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
878 fi
879 ])dnl
880 dnl ---------------------------------------------------------------------------
881 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
882 dnl -----------------
883 dnl Test for availability of useful gcc __attribute__ directives to quiet
884 dnl compiler warnings.  Though useful, not all are supported -- and contrary
885 dnl to documentation, unrecognized directives cause older compilers to barf.
886 AC_DEFUN([CF_GCC_ATTRIBUTES],
887 [
888 if test "$GCC" = yes
889 then
890 cat > conftest.i <<EOF
891 #ifndef GCC_PRINTF
892 #define GCC_PRINTF 0
893 #endif
894 #ifndef GCC_SCANF
895 #define GCC_SCANF 0
896 #endif
897 #ifndef GCC_NORETURN
898 #define GCC_NORETURN /* nothing */
899 #endif
900 #ifndef GCC_UNUSED
901 #define GCC_UNUSED /* nothing */
902 #endif
903 EOF
904 if test "$GCC" = yes
905 then
906         AC_CHECKING([for $CC __attribute__ directives])
907 cat > conftest.$ac_ext <<EOF
908 #line __oline__ "${as_me:-configure}"
909 #include "confdefs.h"
910 #include "conftest.h"
911 #include "conftest.i"
912 #if     GCC_PRINTF
913 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
914 #else
915 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
916 #endif
917 #if     GCC_SCANF
918 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
919 #else
920 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
921 #endif
922 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
923 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
924 extern void foo(void) GCC_NORETURN;
925 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
926 EOF
927         cf_printf_attribute=no
928         cf_scanf_attribute=no
929         for cf_attribute in scanf printf unused noreturn
930         do
931                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
932                 cf_directive="__attribute__(($cf_attribute))"
933                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
934
935                 case $cf_attribute in #(vi
936                 printf) #(vi
937                         cf_printf_attribute=yes
938                         cat >conftest.h <<EOF
939 #define GCC_$cf_ATTRIBUTE 1
940 EOF
941                         ;;
942                 scanf) #(vi
943                         cf_scanf_attribute=yes
944                         cat >conftest.h <<EOF
945 #define GCC_$cf_ATTRIBUTE 1
946 EOF
947                         ;;
948                 *) #(vi
949                         cat >conftest.h <<EOF
950 #define GCC_$cf_ATTRIBUTE $cf_directive
951 EOF
952                         ;;
953                 esac
954
955                 if AC_TRY_EVAL(ac_compile); then
956                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
957                         cat conftest.h >>confdefs.h
958                         case $cf_attribute in #(vi
959                         printf) #(vi
960                                 if test "$cf_printf_attribute" = no ; then
961                                         cat >>confdefs.h <<EOF
962 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
963 EOF
964                                 else
965                                         cat >>confdefs.h <<EOF
966 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
967 EOF
968                                 fi
969                                 ;;
970                         scanf) #(vi
971                                 if test "$cf_scanf_attribute" = no ; then
972                                         cat >>confdefs.h <<EOF
973 #define GCC_SCANFLIKE(fmt,var) /* nothing */
974 EOF
975                                 else
976                                         cat >>confdefs.h <<EOF
977 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
978 EOF
979                                 fi
980                                 ;;
981                         esac
982                 fi
983         done
984 else
985         fgrep define conftest.i >>confdefs.h
986 fi
987 rm -rf conftest*
988 fi
989 ])dnl
990 dnl ---------------------------------------------------------------------------
991 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
992 dnl --------------
993 dnl Find version of gcc
994 AC_DEFUN([CF_GCC_VERSION],[
995 AC_REQUIRE([AC_PROG_CC])
996 GCC_VERSION=none
997 if test "$GCC" = yes ; then
998         AC_MSG_CHECKING(version of $CC)
999         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1000         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1001         AC_MSG_RESULT($GCC_VERSION)
1002 fi
1003 ])dnl
1004 dnl ---------------------------------------------------------------------------
1005 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1006 dnl ---------------
1007 dnl Check if the compiler supports useful warning options.  There's a few that
1008 dnl we don't use, simply because they're too noisy:
1009 dnl
1010 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1011 dnl     -Wredundant-decls (system headers make this too noisy)
1012 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1013 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1014 dnl             is enabled for ncurses using "--enable-const".
1015 dnl     -pedantic
1016 dnl
1017 dnl Parameter:
1018 dnl     $1 is an optional list of gcc warning flags that a particular
1019 dnl             application might want to use, e.g., "no-unused" for
1020 dnl             -Wno-unused
1021 dnl Special:
1022 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1023 dnl
1024 AC_DEFUN([CF_GCC_WARNINGS],
1025 [
1026 AC_REQUIRE([CF_GCC_VERSION])
1027 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1028
1029 cat > conftest.$ac_ext <<EOF
1030 #line __oline__ "${as_me:-configure}"
1031 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1032 EOF
1033
1034 if test "$INTEL_COMPILER" = yes
1035 then
1036 # The "-wdXXX" options suppress warnings:
1037 # remark #1419: external declaration in primary source file
1038 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1039 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1040 # remark #193: zero used for undefined preprocessing identifier
1041 # remark #593: variable "curs_sb_left_arrow" was set but never used
1042 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1043 # remark #869: parameter "tw" was never referenced
1044 # remark #981: operands are evaluated in unspecified order
1045 # warning #279: controlling expression is constant
1046
1047         AC_CHECKING([for $CC warning options])
1048         cf_save_CFLAGS="$CFLAGS"
1049         EXTRA_CFLAGS="-Wall"
1050         for cf_opt in \
1051                 wd1419 \
1052                 wd1683 \
1053                 wd1684 \
1054                 wd193 \
1055                 wd593 \
1056                 wd279 \
1057                 wd810 \
1058                 wd869 \
1059                 wd981
1060         do
1061                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1062                 if AC_TRY_EVAL(ac_compile); then
1063                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1064                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1065                 fi
1066         done
1067         CFLAGS="$cf_save_CFLAGS"
1068
1069 elif test "$GCC" = yes
1070 then
1071         AC_CHECKING([for $CC warning options])
1072         cf_save_CFLAGS="$CFLAGS"
1073         EXTRA_CFLAGS=
1074         cf_warn_CONST=""
1075         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1076         for cf_opt in W Wall \
1077                 Wbad-function-cast \
1078                 Wcast-align \
1079                 Wcast-qual \
1080                 Winline \
1081                 Wmissing-declarations \
1082                 Wmissing-prototypes \
1083                 Wnested-externs \
1084                 Wpointer-arith \
1085                 Wshadow \
1086                 Wstrict-prototypes \
1087                 Wundef $cf_warn_CONST $1
1088         do
1089                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1090                 if AC_TRY_EVAL(ac_compile); then
1091                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1092                         case $cf_opt in #(vi
1093                         Wcast-qual) #(vi
1094                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1095                                 ;;
1096                         Winline) #(vi
1097                                 case $GCC_VERSION in
1098                                 [[34]].*)
1099                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1100                                         continue;;
1101                                 esac
1102                                 ;;
1103                         esac
1104                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1105                 fi
1106         done
1107         CFLAGS="$cf_save_CFLAGS"
1108 fi
1109 rm -rf conftest*
1110
1111 AC_SUBST(EXTRA_CFLAGS)
1112 ])dnl
1113 dnl ---------------------------------------------------------------------------
1114 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1115 dnl ----------------
1116 AC_DEFUN([CF_GNAT_GENERICS],
1117 [
1118 AC_REQUIRE([CF_GNAT_VERSION])
1119
1120 AC_MSG_CHECKING(if GNAT supports generics)
1121 case $cf_gnat_version in #(vi
1122 3.[[1-9]]*|[[4-9]].*) #(vi
1123         cf_gnat_generics=yes
1124         ;;
1125 *)
1126         cf_gnat_generics=no
1127         ;;
1128 esac
1129 AC_MSG_RESULT($cf_gnat_generics)
1130
1131 if test "$cf_gnat_generics" = yes
1132 then
1133         cf_compile_generics=generics
1134         cf_generic_objects="\${GENOBJS}"
1135 else
1136         cf_compile_generics=
1137         cf_generic_objects=
1138 fi
1139
1140 AC_SUBST(cf_compile_generics)
1141 AC_SUBST(cf_generic_objects)
1142 ])dnl
1143 dnl ---------------------------------------------------------------------------
1144 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1145 dnl --------------------
1146 dnl Check if the gnat pragma "Unreferenced" works.
1147 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1148 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1149 CF_GNAT_TRY_LINK([procedure conftest;],
1150 [with Text_IO;
1151 with GNAT.OS_Lib;
1152 procedure conftest is
1153    test : Integer;
1154    pragma Unreferenced (test);
1155 begin
1156    test := 1;
1157    Text_IO.Put ("Hello World");
1158    Text_IO.New_Line;
1159    GNAT.OS_Lib.OS_Exit (0);
1160 end conftest;],
1161         [cf_cv_pragma_unreferenced=yes],
1162         [cf_cv_pragma_unreferenced=no])])
1163
1164 # if the pragma is supported, use it (needed in the Trace code).
1165 if test $cf_cv_pragma_unreferenced = yes ; then
1166         PRAGMA_UNREF=TRUE
1167 else
1168         PRAGMA_UNREF=FALSE
1169 fi
1170 AC_SUBST(PRAGMA_UNREF)
1171 ])dnl
1172 dnl ---------------------------------------------------------------------------
1173 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
1174 dnl ----------------
1175 dnl GNAT projects are configured with ".gpr" project files.
1176 dnl GNAT libraries are a further development, using the project feature.
1177 AC_DEFUN([CF_GNAT_PROJECTS],
1178 [
1179 AC_REQUIRE([CF_GNAT_VERSION])
1180
1181 cf_gnat_libraries=no
1182 cf_gnat_projects=no
1183
1184 AC_MSG_CHECKING(if GNAT supports project files)
1185 case $cf_gnat_version in #(vi
1186 3.[[0-9]]*) #(vi
1187         ;;
1188 *)
1189         case $cf_cv_system_name in #(vi
1190         cygwin*) #(vi
1191                 ;;
1192         *)
1193                 mkdir conftest.src conftest.bin conftest.lib
1194                 cd conftest.src
1195                 rm -rf conftest* *~conftest*
1196                 cat >>library.gpr <<CF_EOF
1197 project Library is
1198   Kind := External ("LIB_KIND");
1199   for Library_Name use "ConfTest";
1200   for Object_Dir use ".";
1201   for Library_ALI_Dir use External("LIBRARY_DIR");
1202   for Library_Version use External ("SONAME");
1203   for Library_Kind use Kind;
1204   for Library_Dir use External("BUILD_DIR");
1205   Source_Dir := External ("SOURCE_DIR");
1206   for Source_Dirs use (Source_Dir);
1207   package Compiler is
1208      for Default_Switches ("Ada") use
1209        ("-g",
1210         "-O2",
1211         "-gnatafno",
1212         "-gnatVa",   -- All validity checks
1213         "-gnatwa");  -- Activate all optional errors
1214   end Compiler;
1215 end Library;
1216 CF_EOF
1217                 cat >>confpackage.ads <<CF_EOF
1218 package ConfPackage is
1219    procedure conftest;
1220 end ConfPackage;
1221 CF_EOF
1222                 cat >>confpackage.adb <<CF_EOF
1223 with Text_IO;
1224 package body ConfPackage is
1225    procedure conftest is
1226    begin
1227       Text_IO.Put ("Hello World");
1228       Text_IO.New_Line;
1229    end conftest;
1230 end ConfPackage;
1231 CF_EOF
1232                 if ( $cf_ada_make $ADAFLAGS \
1233                                 -Plibrary.gpr \
1234                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1235                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1236                                 -XSOURCE_DIR=`pwd` \
1237                                 -XSONAME=libConfTest.so.1 \
1238                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1239                         cf_gnat_projects=yes
1240                 fi
1241                 cd ..
1242                 if test -f conftest.lib/confpackage.ali
1243                 then
1244                         cf_gnat_libraries=yes
1245                 fi
1246                 rm -rf conftest* *~conftest*
1247                 ;;
1248         esac
1249         ;;
1250 esac
1251 AC_MSG_RESULT($cf_gnat_projects)
1252
1253 if test $cf_gnat_projects = yes
1254 then
1255         AC_MSG_CHECKING(if GNAT supports libraries)
1256         AC_MSG_RESULT($cf_gnat_libraries)
1257 fi
1258
1259 if test "$cf_gnat_projects" = yes
1260 then
1261         USE_OLD_MAKERULES="#"
1262         USE_GNAT_PROJECTS=""
1263 else
1264         USE_OLD_MAKERULES=""
1265         USE_GNAT_PROJECTS="#"
1266 fi
1267
1268 if test "$cf_gnat_libraries" = yes
1269 then
1270         USE_GNAT_LIBRARIES=""
1271 else
1272         USE_GNAT_LIBRARIES="#"
1273 fi
1274
1275 AC_SUBST(USE_OLD_MAKERULES)
1276 AC_SUBST(USE_GNAT_PROJECTS)
1277 AC_SUBST(USE_GNAT_LIBRARIES)
1278 ])dnl
1279 dnl ---------------------------------------------------------------------------
1280 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1281 dnl --------------
1282 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1283 dnl is noted that gnat may compile a tasking unit even for configurations which
1284 dnl fail at runtime.
1285 AC_DEFUN([CF_GNAT_SIGINT],[
1286 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1287 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1288
1289 package ConfTest is
1290
1291    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1292    pragma Unreserve_All_Interrupts;
1293    pragma Warnings (On);
1294
1295    protected Process is
1296       procedure Stop;
1297       function Continue return Boolean;
1298       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1299    private
1300       Done : Boolean := False;
1301    end Process;
1302
1303 end ConfTest;],
1304 [package body ConfTest is
1305    protected body Process is
1306       procedure Stop is
1307       begin
1308          Done := True;
1309       end Stop;
1310       function Continue return Boolean is
1311       begin
1312          return not Done;
1313       end Continue;
1314    end Process;
1315 end ConfTest;],
1316         [cf_cv_gnat_sigint=yes],
1317         [cf_cv_gnat_sigint=no])])
1318
1319 if test $cf_cv_gnat_sigint = yes ; then
1320         USE_GNAT_SIGINT=""
1321 else
1322         USE_GNAT_SIGINT="#"
1323 fi
1324 AC_SUBST(USE_GNAT_SIGINT)
1325 ])dnl
1326 dnl ---------------------------------------------------------------------------
1327 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1328 dnl ----------------
1329 dnl Verify that a test program compiles/links with GNAT.
1330 dnl $cf_ada_make is set to the program that compiles/links
1331 dnl $ADAFLAGS may be set to the GNAT flags.
1332 dnl
1333 dnl $1 is the text of the spec
1334 dnl $2 is the text of the body
1335 dnl $3 is the shell command to execute if successful
1336 dnl $4 is the shell command to execute if not successful
1337 AC_DEFUN([CF_GNAT_TRY_LINK],
1338 [
1339 rm -rf conftest* *~conftest*
1340 cat >>conftest.ads <<CF_EOF
1341 $1
1342 CF_EOF
1343 cat >>conftest.adb <<CF_EOF
1344 $2
1345 CF_EOF
1346 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1347 ifelse($3,,      :,[      $3])
1348 ifelse($4,,,[else
1349    $4])
1350 fi
1351 rm -rf conftest* *~conftest*
1352 ])dnl
1353 dnl ---------------------------------------------------------------------------
1354 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1355 dnl ---------------
1356 dnl Verify that a test program compiles and runs with GNAT
1357 dnl $cf_ada_make is set to the program that compiles/links
1358 dnl $ADAFLAGS may be set to the GNAT flags.
1359 dnl
1360 dnl $1 is the text of the spec
1361 dnl $2 is the text of the body
1362 dnl $3 is the shell command to execute if successful
1363 dnl $4 is the shell command to execute if not successful
1364 AC_DEFUN([CF_GNAT_TRY_RUN],
1365 [
1366 rm -rf conftest* *~conftest*
1367 cat >>conftest.ads <<CF_EOF
1368 $1
1369 CF_EOF
1370 cat >>conftest.adb <<CF_EOF
1371 $2
1372 CF_EOF
1373 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1374    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1375 ifelse($3,,      :,[      $3])
1376 ifelse($4,,,[   else
1377       $4])
1378    fi
1379 ifelse($4,,,[else
1380    $4])
1381 fi
1382 rm -rf conftest* *~conftest*
1383 ])dnl
1384 dnl ---------------------------------------------------------------------------
1385 dnl CF_GNAT_VERSION version: 17 updated: 2011/03/23 20:24:41
1386 dnl ---------------
1387 dnl Verify version of GNAT.
1388 AC_DEFUN([CF_GNAT_VERSION],
1389 [
1390 AC_MSG_CHECKING(for gnat version)
1391 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1392         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1393     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1394 AC_MSG_RESULT($cf_gnat_version)
1395
1396 case $cf_gnat_version in #(vi
1397 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
1398         cf_cv_prog_gnat_correct=yes
1399         ;;
1400 *)
1401         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1402         cf_cv_prog_gnat_correct=no
1403         ;;
1404 esac
1405 ])
1406 dnl ---------------------------------------------------------------------------
1407 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1408 dnl -------------
1409 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1410 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1411 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1412 dnl since it is interwoven with GNU extensions.
1413 dnl
1414 dnl Well, yes we could work around it...
1415 AC_DEFUN([CF_GNU_SOURCE],
1416 [
1417 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1418 AC_TRY_COMPILE([#include <sys/types.h>],[
1419 #ifndef _XOPEN_SOURCE
1420 make an error
1421 #endif],
1422         [cf_cv_gnu_source=no],
1423         [cf_save="$CPPFLAGS"
1424          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1425          AC_TRY_COMPILE([#include <sys/types.h>],[
1426 #ifdef _XOPEN_SOURCE
1427 make an error
1428 #endif],
1429         [cf_cv_gnu_source=no],
1430         [cf_cv_gnu_source=yes])
1431         CPPFLAGS="$cf_save"
1432         ])
1433 ])
1434 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1435 ])dnl
1436 dnl ---------------------------------------------------------------------------
1437 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1438 dnl --------------
1439 dnl Construct a search-list of directories for a nonstandard header-file
1440 dnl
1441 dnl Parameters
1442 dnl     $1 = the variable to return as result
1443 dnl     $2 = the package name
1444 AC_DEFUN([CF_HEADER_PATH],
1445 [
1446 $1=
1447
1448 # collect the current set of include-directories from compiler flags
1449 cf_header_path_list=""
1450 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1451         for cf_header_path in $CPPFLAGS $CFLAGS
1452         do
1453                 case $cf_header_path in #(vi
1454                 -I*)
1455                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1456                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1457                         cf_header_path_list="$cf_header_path_list [$]$1"
1458                         ;;
1459                 esac
1460         done
1461 fi
1462
1463 # add the variations for the package we are looking for
1464 CF_SUBDIR_PATH($1,$2,include)
1465
1466 test "$includedir" != NONE && \
1467 test "$includedir" != "/usr/include" && \
1468 test -d "$includedir" && {
1469         test -d $includedir &&    $1="[$]$1 $includedir"
1470         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1471 }
1472
1473 test "$oldincludedir" != NONE && \
1474 test "$oldincludedir" != "/usr/include" && \
1475 test -d "$oldincludedir" && {
1476         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1477         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1478 }
1479
1480 $1="[$]$1 $cf_header_path_list"
1481 ])dnl
1482 dnl ---------------------------------------------------------------------------
1483 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1484 dnl ---------------
1485 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1486 AC_DEFUN([CF_HELP_MESSAGE],
1487 [AC_DIVERT_HELP([$1])dnl
1488 ])dnl
1489 dnl ---------------------------------------------------------------------------
1490 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
1491 dnl ---------------
1492 dnl Construct the list of include-options according to whether we're building
1493 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
1494 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1495 dnl since that usually breaks gcc's shadow-includes.
1496 AC_DEFUN([CF_INCLUDE_DIRS],
1497 [
1498 CPPFLAGS="$CPPFLAGS -I. -I../include"
1499 if test "$srcdir" != "."; then
1500         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
1501 fi
1502 if test "$GCC" != yes; then
1503         CPPFLAGS="$CPPFLAGS -I\${includedir}"
1504 elif test "$includedir" != "/usr/include"; then
1505         if test "$includedir" = '${prefix}/include' ; then
1506                 if test $prefix != /usr ; then
1507                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
1508                 fi
1509         else
1510                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
1511         fi
1512 fi
1513 AC_SUBST(CPPFLAGS)
1514 ])dnl
1515 dnl ---------------------------------------------------------------------------
1516 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
1517 dnl -----------------
1518 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1519 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1520 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1521 dnl
1522 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1523 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1524 dnl the wrappers for gcc and g++ warnings.
1525 dnl
1526 dnl $1 = GCC (default) or GXX
1527 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1528 dnl $3 = CFLAGS (default) or CXXFLAGS
1529 AC_DEFUN([CF_INTEL_COMPILER],[
1530 ifelse([$2],,INTEL_COMPILER,[$2])=no
1531
1532 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1533         case $host_os in
1534         linux*|gnu*)
1535                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1536                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1537                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1538                 AC_TRY_COMPILE([],[
1539 #ifdef __INTEL_COMPILER
1540 #else
1541 make an error
1542 #endif
1543 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1544 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1545 ],[])
1546                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1547                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1548                 ;;
1549         esac
1550 fi
1551 ])dnl
1552 dnl ---------------------------------------------------------------------------
1553 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
1554 dnl ------------
1555 dnl Add checks for large file support.
1556 AC_DEFUN([CF_LARGEFILE],[
1557 ifdef([AC_FUNC_FSEEKO],[
1558     AC_SYS_LARGEFILE
1559     if test "$enable_largefile" != no ; then
1560         AC_FUNC_FSEEKO
1561
1562         # Normally we would collect these definitions in the config.h,
1563         # but (like _XOPEN_SOURCE), some environments rely on having these
1564         # defined before any of the system headers are included.  Another
1565         # case comes up with C++, e.g., on AIX the compiler compiles the
1566         # header files by themselves before looking at the body files it is
1567         # told to compile.  For ncurses, those header files do not include
1568         # the config.h
1569         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1570         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1571         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1572
1573         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1574                 AC_TRY_COMPILE([
1575 #include <sys/types.h>
1576 #include <dirent.h>
1577                 ],[
1578                 /* if transitional largefile support is setup, this is true */
1579                 extern struct dirent64 * readdir(DIR *);
1580                 struct dirent64 *x = readdir((DIR *)0);
1581                 struct dirent *y = readdir((DIR *)0);
1582                 int z = x - y;
1583                 ],
1584                 [cf_cv_struct_dirent64=yes],
1585                 [cf_cv_struct_dirent64=no])
1586         ])
1587         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
1588     fi
1589 ])
1590 ])
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1593 dnl ---------------
1594 dnl For the given system and compiler, find the compiler flags to pass to the
1595 dnl loader to use the "rpath" feature.
1596 AC_DEFUN([CF_LD_RPATH_OPT],
1597 [
1598 AC_REQUIRE([CF_CHECK_CACHE])
1599
1600 LD_RPATH_OPT=
1601 AC_MSG_CHECKING(for an rpath option)
1602 case $cf_cv_system_name in #(vi
1603 irix*) #(vi
1604         if test "$GCC" = yes; then
1605                 LD_RPATH_OPT="-Wl,-rpath,"
1606         else
1607                 LD_RPATH_OPT="-rpath "
1608         fi
1609         ;;
1610 linux*|gnu*|k*bsd*-gnu) #(vi
1611         LD_RPATH_OPT="-Wl,-rpath,"
1612         ;;
1613 openbsd[[2-9]].*|mirbsd*) #(vi
1614         LD_RPATH_OPT="-Wl,-rpath,"
1615         ;;
1616 dragonfly*|freebsd*) #(vi
1617         LD_RPATH_OPT="-rpath "
1618         ;;
1619 netbsd*) #(vi
1620         LD_RPATH_OPT="-Wl,-rpath,"
1621         ;;
1622 osf*|mls+*) #(vi
1623         LD_RPATH_OPT="-rpath "
1624         ;;
1625 solaris2*) #(vi
1626         LD_RPATH_OPT="-R"
1627         ;;
1628 *)
1629         ;;
1630 esac
1631 AC_MSG_RESULT($LD_RPATH_OPT)
1632
1633 case "x$LD_RPATH_OPT" in #(vi
1634 x-R*)
1635         AC_MSG_CHECKING(if we need a space after rpath option)
1636         cf_save_LIBS="$LIBS"
1637         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1638         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1639         LIBS="$cf_save_LIBS"
1640         AC_MSG_RESULT($cf_rpath_space)
1641         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1642         ;;
1643 esac
1644 ])dnl
1645 dnl ---------------------------------------------------------------------------
1646 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1647 dnl ---------------
1648 dnl Construct a search-list of directories for a nonstandard library-file
1649 dnl
1650 dnl Parameters
1651 dnl     $1 = the variable to return as result
1652 dnl     $2 = the package name
1653 AC_DEFUN([CF_LIBRARY_PATH],
1654 [
1655 $1=
1656 cf_library_path_list=""
1657 if test -n "${LDFLAGS}${LIBS}" ; then
1658         for cf_library_path in $LDFLAGS $LIBS
1659         do
1660                 case $cf_library_path in #(vi
1661                 -L*)
1662                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1663                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1664                         cf_library_path_list="$cf_library_path_list [$]$1"
1665                         ;;
1666                 esac
1667         done
1668 fi
1669
1670 CF_SUBDIR_PATH($1,$2,lib)
1671
1672 $1="$cf_library_path_list [$]$1"
1673 ])dnl
1674 dnl ---------------------------------------------------------------------------
1675 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
1676 dnl -------------
1677 dnl Compute the library-prefix for the given host system
1678 dnl $1 = variable to set
1679 AC_DEFUN([CF_LIB_PREFIX],
1680 [
1681         case $cf_cv_system_name in #(vi
1682         OS/2*|os2*) #(vi
1683         LIB_PREFIX=''
1684         ;;
1685         *)      LIB_PREFIX='lib'
1686         ;;
1687         esac
1688 ifelse($1,,,[$1=$LIB_PREFIX])
1689         AC_SUBST(LIB_PREFIX)
1690 ])dnl
1691 dnl ---------------------------------------------------------------------------
1692 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
1693 dnl -------------
1694 dnl Find the and soname for the given shared library.  Set the cache variable
1695 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
1696 dnl variable to "unknown".
1697 dnl
1698 dnl $1 = headers
1699 dnl $2 = code
1700 dnl $3 = library name
1701 AC_DEFUN([CF_LIB_SONAME],
1702 [
1703 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
1704
1705 cf_cv_$3_soname=unknown
1706 if test "$cross_compiling" != yes ; then
1707 cat >conftest.$ac_ext <<CF_EOF
1708 $1
1709 int main()
1710 {
1711 $2
1712         ${cf_cv_main_return:-return}(0);
1713 }
1714 CF_EOF
1715 cf_save_LIBS="$LIBS"
1716         CF_ADD_LIB($3)
1717         if AC_TRY_EVAL(ac_compile) ; then
1718                 if AC_TRY_EVAL(ac_link) ; then
1719                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
1720                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
1721                 fi
1722         fi
1723 rm -rf conftest*
1724 LIBS="$cf_save_LIBS"
1725 fi
1726 ])
1727 ])
1728 dnl ---------------------------------------------------------------------------
1729 dnl CF_LIB_SUFFIX version: 17 updated: 2011/07/02 15:36:04
1730 dnl -------------
1731 dnl Compute the library file-suffix from the given model name
1732 dnl $1 = model name
1733 dnl $2 = variable to set (the nominal library suffix)
1734 dnl $3 = dependency variable to set (actual filename)
1735 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1736 AC_DEFUN([CF_LIB_SUFFIX],
1737 [
1738         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
1739         case $1 in #(vi
1740         libtool) #(vi
1741                 $2='.la'
1742                 $3=[$]$2
1743                 ;;
1744         normal) #(vi
1745                 $2='.a'
1746                 $3=[$]$2
1747                 ;;
1748         debug) #(vi
1749                 $2='_g.a'
1750                 $3=[$]$2
1751                 ;;
1752         profile) #(vi
1753                 $2='_p.a'
1754                 $3=[$]$2
1755                 ;;
1756         shared) #(vi
1757                 case $cf_cv_system_name in
1758                 aix[[5-7]]*) #(vi
1759                         $2='.a'
1760                         $3=[$]$2
1761                         ;;
1762                 cygwin*) #(vi
1763                         $2='.dll'
1764                         $3='.dll.a'
1765                         ;;
1766                 darwin*) #(vi
1767                         $2='.dylib'
1768                         $3=[$]$2
1769                         ;;
1770                 hpux*) #(vi
1771                         case $target in
1772                         ia64*) #(vi
1773                                 $2='.so'
1774                                 $3=[$]$2
1775                                 ;;
1776                         *) #(vi
1777                                 $2='.sl'
1778                                 $3=[$]$2
1779                                 ;;
1780                         esac
1781                         ;;
1782                 *)      $2='.so'
1783                         $3=[$]$2
1784                         ;;
1785                 esac
1786         esac
1787         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1788         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1789 ])dnl
1790 dnl ---------------------------------------------------------------------------
1791 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1792 dnl -----------
1793 dnl Compute the string to append to -library from the given model name
1794 dnl $1 = model name
1795 dnl $2 = variable to set
1796 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1797 AC_DEFUN([CF_LIB_TYPE],
1798 [
1799         case $1 in
1800         libtool) $2=''   ;;
1801         normal)  $2=''   ;;
1802         debug)   $2='_g' ;;
1803         profile) $2='_p' ;;
1804         shared)  $2=''   ;;
1805         esac
1806         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1807 ])dnl
1808 dnl ---------------------------------------------------------------------------
1809 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
1810 dnl ----------------
1811 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1812 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1813 dnl have to provide wrappers for global tables to ensure they're linked
1814 dnl properly.
1815 AC_DEFUN([CF_LINK_DATAONLY],
1816 [
1817 AC_MSG_CHECKING([if data-only library module links])
1818 AC_CACHE_VAL(cf_cv_link_dataonly,[
1819         rm -f conftest.a
1820         cat >conftest.$ac_ext <<EOF
1821 #line __oline__ "configure"
1822 int     testdata[[3]] = { 123, 456, 789 };
1823 EOF
1824         if AC_TRY_EVAL(ac_compile) ; then
1825                 mv conftest.o data.o && \
1826                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1827         fi
1828         rm -f conftest.$ac_ext data.o
1829         cat >conftest.$ac_ext <<EOF
1830 #line __oline__ "configure"
1831 int     testfunc()
1832 {
1833 #if defined(NeXT)
1834         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1835 #else
1836         extern int testdata[[3]];
1837         return testdata[[0]] == 123
1838            &&  testdata[[1]] == 456
1839            &&  testdata[[2]] == 789;
1840 #endif
1841 }
1842 EOF
1843         if AC_TRY_EVAL(ac_compile); then
1844                 mv conftest.o func.o && \
1845                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1846         fi
1847         rm -f conftest.$ac_ext func.o
1848         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1849         cf_saveLIBS="$LIBS"
1850         LIBS="conftest.a $LIBS"
1851         AC_TRY_RUN([
1852         int main()
1853         {
1854                 extern int testfunc();
1855                 ${cf_cv_main_return:-return} (!testfunc());
1856         }
1857         ],
1858         [cf_cv_link_dataonly=yes],
1859         [cf_cv_link_dataonly=no],
1860         [cf_cv_link_dataonly=unknown])
1861         LIBS="$cf_saveLIBS"
1862         ])
1863 AC_MSG_RESULT($cf_cv_link_dataonly)
1864
1865 if test "$cf_cv_link_dataonly" = no ; then
1866         AC_DEFINE(BROKEN_LINKER)
1867         BROKEN_LINKER=1
1868 fi
1869
1870 ])dnl
1871 dnl ---------------------------------------------------------------------------
1872 dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
1873 dnl -------------
1874 dnl Most Unix systems have both link and symlink, a few don't have symlink.
1875 dnl A few non-Unix systems implement symlink, but not link.
1876 dnl A few non-systems implement neither (or have nonfunctional versions).
1877 AC_DEFUN([CF_LINK_FUNCS],
1878 [
1879 AC_CHECK_FUNCS( \
1880         remove \
1881         unlink )
1882
1883 if test "$cross_compiling" = yes ; then
1884         AC_CHECK_FUNCS( \
1885                 link \
1886                 symlink )
1887 else
1888         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
1889                 cf_cv_link_funcs=
1890                 for cf_func in link symlink ; do
1891                         AC_TRY_RUN([
1892 #include <sys/types.h>
1893 #include <sys/stat.h>
1894 #ifdef HAVE_UNISTD_H
1895 #include <unistd.h>
1896 #endif
1897 int main()
1898 {
1899         int fail = 0;
1900         char *src = "config.log";
1901         char *dst = "conftest.chk";
1902         struct stat src_sb;
1903         struct stat dst_sb;
1904
1905         stat(src, &src_sb);
1906         fail = ($cf_func("config.log", "conftest.chk") < 0)
1907             || (stat(dst, &dst_sb) < 0)
1908             || (dst_sb.st_mtime != src_sb.st_mtime);
1909 #ifdef HAVE_UNLINK
1910         unlink(dst);
1911 #else
1912         remove(dst);
1913 #endif
1914         ${cf_cv_main_return:-return} (fail);
1915 }
1916                         ],[
1917                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
1918                         eval 'ac_cv_func_'$cf_func'=yes'],[
1919                         eval 'ac_cv_func_'$cf_func'=no'],[
1920                         eval 'ac_cv_func_'$cf_func'=error'])
1921                 done
1922                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
1923         ])
1924         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK)
1925         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
1926 fi
1927 ])dnl
1928 dnl ---------------------------------------------------------------------------
1929 dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
1930 dnl --------------
1931 dnl Check if a return from main to the shell actually returns the same exit
1932 dnl code.  This is true for almost any POSIX environment.
1933 dnl
1934 dnl Some very old environments did not flush stdout, etc., on an exit.  That
1935 dnl would be a useful case to test for also.
1936 AC_DEFUN([CF_MAIN_RETURN],
1937 [
1938 cf_cv_main_return=return
1939 ])dnl
1940 dnl ---------------------------------------------------------------------------
1941 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1942 dnl ------------
1943 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1944 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1945 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1946 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1947 AC_DEFUN([CF_MAKEFLAGS],
1948 [
1949 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1950         cf_cv_makeflags=''
1951         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1952         do
1953                 cat >cf_makeflags.tmp <<CF_EOF
1954 SHELL = /bin/sh
1955 all :
1956         @ echo '.$cf_option'
1957 CF_EOF
1958                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1959                 case "$cf_result" in
1960                 .*k)
1961                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1962                         case "$cf_result" in
1963                         .*CC=*) cf_cv_makeflags=
1964                                 ;;
1965                         *)      cf_cv_makeflags=$cf_option
1966                                 ;;
1967                         esac
1968                         break
1969                         ;;
1970                 .-)     ;;
1971                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
1972                         ;;
1973                 esac
1974         done
1975         rm -f cf_makeflags.tmp
1976 ])
1977
1978 AC_SUBST(cf_cv_makeflags)
1979 ])dnl
1980 dnl ---------------------------------------------------------------------------
1981 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1982 dnl ------------
1983 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1984 dnl a monocase filesystem.
1985 AC_DEFUN([CF_MAKE_TAGS],[
1986 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1987
1988 AC_CHECK_PROGS(CTAGS, exctags ctags)
1989 AC_CHECK_PROGS(ETAGS, exetags etags)
1990
1991 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1992
1993 if test "$cf_cv_mixedcase" = yes ; then
1994         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1995 else
1996         MAKE_UPPER_TAGS=no
1997 fi
1998
1999 if test "$MAKE_UPPER_TAGS" = yes ; then
2000         MAKE_UPPER_TAGS=
2001 else
2002         MAKE_UPPER_TAGS="#"
2003 fi
2004
2005 if test "$MAKE_LOWER_TAGS" = yes ; then
2006         MAKE_LOWER_TAGS=
2007 else
2008         MAKE_LOWER_TAGS="#"
2009 fi
2010
2011 AC_SUBST(CTAGS)
2012 AC_SUBST(ETAGS)
2013
2014 AC_SUBST(MAKE_UPPER_TAGS)
2015 AC_SUBST(MAKE_LOWER_TAGS)
2016 ])dnl
2017 dnl ---------------------------------------------------------------------------
2018 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
2019 dnl ----------------------
2020 dnl Check if the file-system supports mixed-case filenames.  If we're able to
2021 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2022 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2023 [
2024 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2025 if test "$cross_compiling" = yes ; then
2026         case $target_alias in #(vi
2027         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
2028                 cf_cv_mixedcase=no
2029                 ;;
2030         *)
2031                 cf_cv_mixedcase=yes
2032                 ;;
2033         esac
2034 else
2035         rm -f conftest CONFTEST
2036         echo test >conftest
2037         if test -f CONFTEST ; then
2038                 cf_cv_mixedcase=no
2039         else
2040                 cf_cv_mixedcase=yes
2041         fi
2042         rm -f conftest CONFTEST
2043 fi
2044 ])
2045 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
2046 ])dnl
2047 dnl ---------------------------------------------------------------------------
2048 dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
2049 dnl ----------
2050 dnl Check for a working mkstemp.  This creates two files, checks that they are
2051 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2052 AC_DEFUN([CF_MKSTEMP],[
2053 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2054 rm -rf conftest*
2055 AC_TRY_RUN([
2056 #include <sys/types.h>
2057 #include <stdlib.h>
2058 #include <stdio.h>
2059 #include <string.h>
2060 #include <sys/stat.h>
2061 int main()
2062 {
2063         char *tmpl = "conftestXXXXXX";
2064         char name[2][80];
2065         int n;
2066         int result = 0;
2067         int fd;
2068         struct stat sb;
2069
2070         umask(077);
2071         for (n = 0; n < 2; ++n) {
2072                 strcpy(name[n], tmpl);
2073                 if ((fd = mkstemp(name[n])) >= 0) {
2074                         if (!strcmp(name[n], tmpl)
2075                          || stat(name[n], &sb) != 0
2076                          || (sb.st_mode & S_IFMT) != S_IFREG
2077                          || (sb.st_mode & 077) != 0) {
2078                                 result = 1;
2079                         }
2080                         close(fd);
2081                 }
2082         }
2083         if (result == 0
2084          && !strcmp(name[0], name[1]))
2085                 result = 1;
2086         ${cf_cv_main_return:-return}(result);
2087 }
2088 ],[cf_cv_func_mkstemp=yes
2089 ],[cf_cv_func_mkstemp=no
2090 ],[AC_CHECK_FUNC(mkstemp)
2091 ])
2092 ])
2093 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2094         AC_DEFINE(HAVE_MKSTEMP)
2095 fi
2096 ])dnl
2097 dnl ---------------------------------------------------------------------------
2098 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2099 dnl ----------
2100 dnl Write a debug message to config.log, along with the line number in the
2101 dnl configure script.
2102 AC_DEFUN([CF_MSG_LOG],[
2103 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2104 ])dnl
2105 dnl ---------------------------------------------------------------------------
2106 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2107 dnl ----------------
2108 dnl Configure an ncurses add-on, built outside the ncurses tree.
2109 AC_DEFUN([CF_NCURSES_ADDON],[
2110
2111 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2112
2113 AC_MSG_CHECKING(if you want wide-character code)
2114 AC_ARG_ENABLE(widec,
2115         [  --enable-widec          compile with wide-char/UTF-8 code],
2116         [with_widec=$enableval],
2117         [with_widec=no])
2118 AC_MSG_RESULT($with_widec)
2119 if test "$with_widec" = yes ; then
2120         CF_UTF8_LIB 
2121         CF_NCURSES_CONFIG(ncursesw)
2122 else
2123         CF_NCURSES_CONFIG(ncurses)
2124 fi
2125
2126 if test "$NCURSES_CONFIG" != none ; then
2127
2128 cf_version=`$NCURSES_CONFIG --version`
2129
2130 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2131 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2132 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2133
2134 # ABI version is not available from headers
2135 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2136
2137 else
2138
2139 for cf_name in MAJOR MINOR PATCH
2140 do
2141 cat >conftest.$ac_ext <<CF_EOF
2142 #include <${cf_cv_ncurses_header:-curses.h}>
2143 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2144 CF_EOF
2145         cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2146         AC_TRY_EVAL(cf_try)
2147         if test -f conftest.out ; then
2148                 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2149                 eval NCURSES_$cf_name=\"$cf_result\"
2150                 # cat conftest.$ac_ext
2151                 # cat conftest.out
2152         fi
2153 done
2154
2155 cf_cv_abi_version=${NCURSES_MAJOR}
2156
2157 fi
2158
2159 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2160
2161 dnl Show the computed version, for logging
2162 cf_cv_timestamp=`date`
2163
2164 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2165
2166 dnl We need these values in the generated headers
2167 AC_SUBST(NCURSES_MAJOR)
2168 AC_SUBST(NCURSES_MINOR)
2169 AC_SUBST(NCURSES_PATCH)
2170
2171 dnl We need these values in the generated makefiles
2172 AC_SUBST(cf_cv_rel_version)
2173 AC_SUBST(cf_cv_abi_version)
2174
2175 dnl FIXME - not needed for Ada95
2176 AC_SUBST(cf_cv_builtin_bool)
2177 AC_SUBST(cf_cv_header_stdbool_h)
2178 AC_SUBST(cf_cv_type_of_bool)dnl
2179
2180 ])
2181 dnl ---------------------------------------------------------------------------
2182 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2183 dnl -------------------
2184 dnl Check if we can compile with ncurses' header file
2185 dnl $1 is the cache variable to set
2186 dnl $2 is the header-file to include
2187 dnl $3 is the root name (ncurses or ncursesw)
2188 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2189         AC_TRY_COMPILE([
2190 ]ifelse($3,ncursesw,[
2191 #define _XOPEN_SOURCE_EXTENDED
2192 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2193 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2194 ])[
2195 #include <$2>],[
2196 #ifdef NCURSES_VERSION
2197 ]ifelse($3,ncursesw,[
2198 #ifndef WACS_BSSB
2199         make an error
2200 #endif
2201 ])[
2202 printf("%s\n", NCURSES_VERSION);
2203 #else
2204 #ifdef __NCURSES_H
2205 printf("old\n");
2206 #else
2207         make an error
2208 #endif
2209 #endif
2210         ]
2211         ,[$1=$2]
2212         ,[$1=no])
2213 ])dnl
2214 dnl ---------------------------------------------------------------------------
2215 dnl CF_NCURSES_CONFIG version: 8 updated: 2010/07/08 05:17:30
2216 dnl -----------------
2217 dnl Tie together the configure-script macros for ncurses.
2218 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2219 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2220 dnl
2221 dnl $1 is the root library name (default: "ncurses")
2222 AC_DEFUN([CF_NCURSES_CONFIG],
2223 [
2224 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2225
2226 echo "Looking for ${cf_ncuconfig_root}-config"
2227 AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
2228
2229 if test "$NCURSES_CONFIG" != none ; then
2230
2231 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2232 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2233
2234 # even with config script, some packages use no-override for curses.h
2235 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2236
2237 dnl like CF_NCURSES_CPPFLAGS
2238 AC_DEFINE(NCURSES)
2239
2240 dnl like CF_NCURSES_LIBS
2241 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2242 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2243
2244 dnl like CF_NCURSES_VERSION
2245 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2246
2247 else
2248
2249 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2250 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2251
2252 fi
2253 ])dnl
2254 dnl ---------------------------------------------------------------------------
2255 dnl CF_NCURSES_CPPFLAGS version: 20 updated: 2010/11/20 17:02:38
2256 dnl -------------------
2257 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2258 dnl the CPPFLAGS variable so we can include its header.
2259 dnl
2260 dnl The header files may be installed as either curses.h, or ncurses.h (would
2261 dnl be obsolete, except that some packagers prefer this name to distinguish it
2262 dnl from a "native" curses implementation).  If not installed for overwrite,
2263 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2264 dnl /usr/include/ncurses), but someone may have installed overwriting the
2265 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2266 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2267 dnl the header.
2268 dnl
2269 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2270 dnl is already in the include-path, don't even bother with this, since we cannot
2271 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2272 dnl
2273 dnl The optional parameter gives the root name of the library, in case it is
2274 dnl not installed as the default curses library.  That is how the
2275 dnl wide-character version of ncurses is installed.
2276 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2277 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2278
2279 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2280 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2281
2282 test -n "$cf_cv_curses_dir" && \
2283 test "$cf_cv_curses_dir" != "no" && { \
2284   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2285 }
2286
2287 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2288         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2289         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2290         for cf_header in $cf_header_list
2291         do
2292                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2293                 test "$cf_cv_ncurses_h" != no && break
2294         done
2295 ])
2296
2297 CF_NCURSES_HEADER
2298 CF_TERM_HEADER
2299
2300 # some applications need this, but should check for NCURSES_VERSION
2301 AC_DEFINE(NCURSES)
2302
2303 CF_NCURSES_VERSION
2304 ])dnl
2305 dnl ---------------------------------------------------------------------------
2306 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
2307 dnl -----------------
2308 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2309 dnl variations of ncurses' installs.
2310 dnl
2311 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2312 AC_DEFUN([CF_NCURSES_HEADER],[
2313
2314 if test "$cf_cv_ncurses_h" != no ; then
2315         cf_cv_ncurses_header=$cf_cv_ncurses_h
2316 else
2317
2318 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2319         test -n "$verbose" && echo
2320         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2321         test -n "$verbose" && echo search path $cf_search
2322         cf_save2_CPPFLAGS="$CPPFLAGS"
2323         for cf_incdir in $cf_search
2324         do
2325                 CF_ADD_INCDIR($cf_incdir)
2326                 for cf_header in \
2327                         ncurses.h \
2328                         curses.h
2329                 do
2330                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2331                         if test "$cf_cv_ncurses_h2" != no ; then
2332                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2333                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2334                                 break
2335                         fi
2336                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2337                 done
2338                 CPPFLAGS="$cf_save2_CPPFLAGS"
2339                 test "$cf_cv_ncurses_h2" != no && break
2340         done
2341         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2342         ])
2343
2344         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2345         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2346         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2347                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2348         fi
2349         CF_ADD_INCDIR($cf_1st_incdir)
2350
2351 fi
2352
2353 # Set definitions to allow ifdef'ing for ncurses.h
2354
2355 case $cf_cv_ncurses_header in # (vi
2356 *ncurses.h)
2357         AC_DEFINE(HAVE_NCURSES_H)
2358         ;;
2359 esac
2360
2361 case $cf_cv_ncurses_header in # (vi
2362 ncurses/curses.h|ncurses/ncurses.h)
2363         AC_DEFINE(HAVE_NCURSES_NCURSES_H)
2364         ;;
2365 ncursesw/curses.h|ncursesw/ncurses.h)
2366         AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
2367         ;;
2368 esac
2369
2370 ])dnl
2371 dnl ---------------------------------------------------------------------------
2372 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2373 dnl ---------------
2374 dnl Look for the ncurses library.  This is a little complicated on Linux,
2375 dnl because it may be linked with the gpm (general purpose mouse) library.
2376 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2377 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2378 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2379 dnl and the linker will record a dependency.
2380 dnl
2381 dnl The optional parameter gives the root name of the library, in case it is
2382 dnl not installed as the default curses library.  That is how the
2383 dnl wide-character version of ncurses is installed.
2384 AC_DEFUN([CF_NCURSES_LIBS],
2385 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2386
2387 cf_nculib_root=ifelse($1,,ncurses,$1)
2388         # This works, except for the special case where we find gpm, but
2389         # ncurses is in a nonstandard location via $LIBS, and we really want
2390         # to link gpm.
2391 cf_ncurses_LIBS=""
2392 cf_ncurses_SAVE="$LIBS"
2393 AC_CHECK_LIB(gpm,Gpm_Open,
2394         [AC_CHECK_LIB(gpm,initscr,
2395                 [LIBS="$cf_ncurses_SAVE"],
2396                 [cf_ncurses_LIBS="-lgpm"])])
2397
2398 case $host_os in #(vi
2399 freebsd*)
2400         # This is only necessary if you are linking against an obsolete
2401         # version of ncurses (but it should do no harm, since it's static).
2402         if test "$cf_nculib_root" = ncurses ; then
2403                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2404         fi
2405         ;;
2406 esac
2407
2408 CF_ADD_LIBS($cf_ncurses_LIBS)
2409
2410 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2411 then
2412         CF_ADD_LIBS(-l$cf_nculib_root)
2413 else
2414         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2415                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2416                 [initscr()],
2417                 initscr)
2418 fi
2419
2420 if test -n "$cf_ncurses_LIBS" ; then
2421         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2422         cf_ncurses_SAVE="$LIBS"
2423         for p in $cf_ncurses_LIBS ; do
2424                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2425                 if test "$q" != "$LIBS" ; then
2426                         LIBS="$q"
2427                 fi
2428         done
2429         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2430                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2431                 [AC_MSG_RESULT(yes)],
2432                 [AC_MSG_RESULT(no)
2433                  LIBS="$cf_ncurses_SAVE"])
2434 fi
2435
2436 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2437 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2438 ])dnl
2439 dnl ---------------------------------------------------------------------------
2440 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
2441 dnl ------------------
2442 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2443 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2444 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2445 AC_DEFUN([CF_NCURSES_VERSION],
2446 [
2447 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2448 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2449         cf_cv_ncurses_version=no
2450         cf_tempfile=out$$
2451         rm -f $cf_tempfile
2452         AC_TRY_RUN([
2453 #include <${cf_cv_ncurses_header:-curses.h}>
2454 #include <stdio.h>
2455 int main()
2456 {
2457         FILE *fp = fopen("$cf_tempfile", "w");
2458 #ifdef NCURSES_VERSION
2459 # ifdef NCURSES_VERSION_PATCH
2460         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2461 # else
2462         fprintf(fp, "%s\n", NCURSES_VERSION);
2463 # endif
2464 #else
2465 # ifdef __NCURSES_H
2466         fprintf(fp, "old\n");
2467 # else
2468         make an error
2469 # endif
2470 #endif
2471         ${cf_cv_main_return:-return}(0);
2472 }],[
2473         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2474
2475         # This will not work if the preprocessor splits the line after the
2476         # Autoconf token.  The 'unproto' program does that.
2477         cat > conftest.$ac_ext <<EOF
2478 #include <${cf_cv_ncurses_header:-curses.h}>
2479 #undef Autoconf
2480 #ifdef NCURSES_VERSION
2481 Autoconf NCURSES_VERSION
2482 #else
2483 #ifdef __NCURSES_H
2484 Autoconf "old"
2485 #endif
2486 ;
2487 #endif
2488 EOF
2489         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2490         AC_TRY_EVAL(cf_try)
2491         if test -f conftest.out ; then
2492                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2493                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2494                 rm -f conftest.out
2495         fi
2496 ])
2497         rm -f $cf_tempfile
2498 ])
2499 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
2500 ])dnl
2501 dnl ---------------------------------------------------------------------------
2502 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
2503 dnl ------------------
2504 dnl see CF_WITH_NO_LEAKS
2505 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2506 AC_MSG_CHECKING(if you want to use $1 for testing)
2507 AC_ARG_WITH($1,
2508         [$2],
2509         [AC_DEFINE($3)ifelse([$4],,[
2510          $4
2511 ])
2512         : ${with_cflags:=-g}
2513         : ${with_no_leaks:=yes}
2514          with_$1=yes],
2515         [with_$1=])
2516 AC_MSG_RESULT(${with_$1:-no})
2517
2518 case .$with_cflags in #(vi
2519 .*-g*)
2520         case .$CFLAGS in #(vi
2521         .*-g*) #(vi
2522                 ;;
2523         *)
2524                 CF_ADD_CFLAGS([-g])
2525                 ;;
2526         esac
2527         ;;
2528 esac
2529 ])dnl
2530 dnl ---------------------------------------------------------------------------
2531 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
2532 dnl ----------------
2533 dnl Check if the given variable is a number.  If not, report an error.
2534 dnl $1 is the variable
2535 dnl $2 is the message
2536 AC_DEFUN([CF_NUMBER_SYNTAX],[
2537 if test -n "$1" ; then
2538   case $1 in #(vi
2539   [[0-9]]*) #(vi
2540         ;;
2541   *)
2542         AC_MSG_ERROR($2 is not a number: $1)
2543         ;;
2544   esac
2545 else
2546   AC_MSG_ERROR($2 value is empty)
2547 fi
2548 ])dnl
2549 dnl ---------------------------------------------------------------------------
2550 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2551 dnl -------------
2552 dnl Compute the object-directory name from the given model name
2553 AC_DEFUN([CF_OBJ_SUBDIR],
2554 [
2555         case $1 in
2556         libtool) $2='obj_lo'  ;;
2557         normal)  $2='objects' ;;
2558         debug)   $2='obj_g' ;;
2559         profile) $2='obj_p' ;;
2560         shared)
2561                 case $cf_cv_system_name in #(vi
2562                 cygwin) #(vi
2563                         $2='objects' ;;
2564                 *)
2565                         $2='obj_s' ;;
2566                 esac
2567         esac
2568 ])dnl
2569 dnl ---------------------------------------------------------------------------
2570 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
2571 dnl ----------
2572 dnl Provide a value for the $PATH and similar separator
2573 AC_DEFUN([CF_PATHSEP],
2574 [
2575         case $cf_cv_system_name in
2576         os2*)   PATH_SEPARATOR=';'  ;;
2577         *)      PATH_SEPARATOR=':'  ;;
2578         esac
2579 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2580         AC_SUBST(PATH_SEPARATOR)
2581 ])dnl
2582 dnl ---------------------------------------------------------------------------
2583 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
2584 dnl --------------
2585 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2586 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2587 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2588 dnl delayed evaluation of those symbols.
2589 AC_DEFUN([CF_PATH_SYNTAX],[
2590 if test "x$prefix" != xNONE; then
2591   cf_path_syntax="$prefix"
2592 else
2593   cf_path_syntax="$ac_default_prefix"
2594 fi
2595
2596 case ".[$]$1" in #(vi
2597 .\[$]\(*\)*|.\'*\'*) #(vi
2598   ;;
2599 ..|./*|.\\*) #(vi
2600   ;;
2601 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2602   ;;
2603 .\[$]{*prefix}*) #(vi
2604   eval $1="[$]$1"
2605   case ".[$]$1" in #(vi
2606   .NONE/*)
2607     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2608     ;;
2609   esac
2610   ;; #(vi
2611 .no|.NONE/*)
2612   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2613   ;;
2614 *)
2615   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2616   ;;
2617 esac
2618 ])dnl
2619 dnl ---------------------------------------------------------------------------
2620 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2621 dnl -------------
2622 dnl Check for the package-config program, unless disabled by command-line.
2623 AC_DEFUN([CF_PKG_CONFIG],
2624 [
2625 AC_MSG_CHECKING(if you want to use pkg-config)
2626 AC_ARG_WITH(pkg-config,
2627         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2628         [cf_pkg_config=$withval],
2629         [cf_pkg_config=yes])
2630 AC_MSG_RESULT($cf_pkg_config)
2631
2632 case $cf_pkg_config in #(vi
2633 no) #(vi
2634         PKG_CONFIG=none
2635         ;;
2636 yes) #(vi
2637         CF_ACVERSION_CHECK(2.52,
2638                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2639                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2640         ;;
2641 *)
2642         PKG_CONFIG=$withval
2643         ;;
2644 esac
2645
2646 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2647 if test "$PKG_CONFIG" != none ; then
2648         CF_PATH_SYNTAX(PKG_CONFIG)
2649 fi
2650
2651 AC_SUBST(PKG_CONFIG)
2652 ])dnl
2653 dnl ---------------------------------------------------------------------------
2654 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2655 dnl -----------------
2656 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2657 dnl
2658 dnl     POSIX.1-1990                            _POSIX_SOURCE
2659 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2660 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2661 dnl             Bindings Option
2662 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2663 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2664 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2665 dnl
2666 dnl Parameters:
2667 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2668 AC_DEFUN([CF_POSIX_C_SOURCE],
2669 [
2670 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2671
2672 cf_save_CFLAGS="$CFLAGS"
2673 cf_save_CPPFLAGS="$CPPFLAGS"
2674
2675 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2676 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2677
2678 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2679         CF_MSG_LOG(if the symbol is already defined go no further)
2680         AC_TRY_COMPILE([#include <sys/types.h>],[
2681 #ifndef _POSIX_C_SOURCE
2682 make an error
2683 #endif],
2684         [cf_cv_posix_c_source=no],
2685         [cf_want_posix_source=no
2686          case .$cf_POSIX_C_SOURCE in #(vi
2687          .[[12]]??*) #(vi
2688                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2689                 ;;
2690          .2) #(vi
2691                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2692                 cf_want_posix_source=yes
2693                 ;;
2694          .*)
2695                 cf_want_posix_source=yes
2696                 ;;
2697          esac
2698          if test "$cf_want_posix_source" = yes ; then
2699                 AC_TRY_COMPILE([#include <sys/types.h>],[
2700 #ifdef _POSIX_SOURCE
2701 make an error
2702 #endif],[],
2703                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2704          fi
2705          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2706          CFLAGS="$cf_trim_CFLAGS"
2707          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2708          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2709          AC_TRY_COMPILE([#include <sys/types.h>],[
2710 #ifndef _POSIX_C_SOURCE
2711 make an error
2712 #endif],,
2713          [cf_cv_posix_c_source=no])
2714          CFLAGS="$cf_save_CFLAGS"
2715          CPPFLAGS="$cf_save_CPPFLAGS"
2716         ])
2717 ])
2718
2719 if test "$cf_cv_posix_c_source" != no ; then
2720         CFLAGS="$cf_trim_CFLAGS"
2721         CPPFLAGS="$cf_trim_CPPFLAGS"
2722         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2723 fi
2724
2725 ])dnl
2726 dnl ---------------------------------------------------------------------------
2727 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2728 dnl ----------
2729 dnl Check for archiver "ar".
2730 AC_DEFUN([CF_PROG_AR],[
2731 AC_CHECK_TOOL(AR, ar, ar)
2732 ])
2733 dnl ---------------------------------------------------------------------------
2734 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2735 dnl -----------
2736 dnl Check for awk, ensure that the check found something.
2737 AC_DEFUN([CF_PROG_AWK],
2738 [
2739 AC_PROG_AWK
2740 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2741 ])dnl
2742 dnl ---------------------------------------------------------------------------
2743 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2744 dnl --------------
2745 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2746 dnl the output file can be renamed, and allows for a shell variable that can
2747 dnl be used later.  The parameter is either CC or CXX.  The result is the
2748 dnl cache variable:
2749 dnl     $cf_cv_prog_CC_c_o
2750 dnl     $cf_cv_prog_CXX_c_o
2751 AC_DEFUN([CF_PROG_CC_C_O],
2752 [AC_REQUIRE([AC_PROG_CC])dnl
2753 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2754 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2755 [
2756 cat > conftest.$ac_ext <<CF_EOF
2757 #include <stdio.h>
2758 int main()
2759 {
2760         ${cf_cv_main_return:-return}(0);
2761 }
2762 CF_EOF
2763 # We do the test twice because some compilers refuse to overwrite an
2764 # existing .o file with -o, though they will create one.
2765 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2766 if AC_TRY_EVAL(ac_try) &&
2767   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2768 then
2769   eval cf_cv_prog_$1_c_o=yes
2770 else
2771   eval cf_cv_prog_$1_c_o=no
2772 fi
2773 rm -rf conftest*
2774 ])dnl
2775 if test $cf_cv_prog_$1_c_o = yes; then
2776   AC_MSG_RESULT([yes])
2777 else
2778   AC_MSG_RESULT([no])
2779 fi
2780 ])dnl
2781 dnl ---------------------------------------------------------------------------
2782 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2783 dnl -------------
2784 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2785 dnl This macro adds a check to ensure the script found something.
2786 AC_DEFUN([CF_PROG_EGREP],
2787 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2788    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2789     then ac_cv_prog_egrep='grep -E'
2790     else ac_cv_prog_egrep='egrep'
2791     fi])
2792  EGREP=$ac_cv_prog_egrep
2793  AC_SUBST([EGREP])
2794 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2795 ])dnl
2796 dnl ---------------------------------------------------------------------------
2797 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
2798 dnl -----------
2799 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2800 AC_DEFUN([CF_PROG_EXT],
2801 [
2802 AC_REQUIRE([CF_CHECK_CACHE])
2803 case $cf_cv_system_name in
2804 os2*)
2805     CFLAGS="$CFLAGS -Zmt"
2806     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2807     CXXFLAGS="$CXXFLAGS -Zmt"
2808     # autoconf's macro sets -Zexe and suffix both, which conflict:w
2809     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2810     ac_cv_exeext=.exe
2811     ;;
2812 esac
2813
2814 AC_EXEEXT
2815 AC_OBJEXT
2816
2817 PROG_EXT="$EXEEXT"
2818 AC_SUBST(PROG_EXT)
2819 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
2820 ])dnl
2821 dnl ---------------------------------------------------------------------------
2822 dnl CF_PROG_GNAT version: 1 updated: 2010/06/19 15:22:18
2823 dnl ------------
2824 dnl Check for gnatmake, ensure that it is complete.
2825 AC_DEFUN([CF_PROG_GNAT],[
2826 cf_ada_make=gnatmake
2827 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2828 if test "$ac_cv_prog_gnat_exists" = no; then
2829    cf_ada_make=
2830 else
2831    CF_GNAT_VERSION
2832    AC_CHECK_PROG(M4_exists, m4, yes, no)
2833    if test "$ac_cv_prog_M4_exists" = no; then
2834       cf_cv_prog_gnat_correct=no
2835       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2836    fi
2837    if test "$cf_cv_prog_gnat_correct" = yes; then
2838       AC_MSG_CHECKING(if GNAT works)
2839       CF_GNAT_TRY_RUN([procedure conftest;],
2840 [with Text_IO;
2841 with GNAT.OS_Lib;
2842 procedure conftest is
2843 begin
2844    Text_IO.Put ("Hello World");
2845    Text_IO.New_Line;
2846    GNAT.OS_Lib.OS_Exit (0);
2847 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2848       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2849    fi
2850 fi
2851
2852 AC_SUBST(cf_ada_make)
2853 ])dnl
2854 dnl ---------------------------------------------------------------------------
2855 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2856 dnl ------------
2857 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2858 dnl option if it is supported.
2859 AC_DEFUN([CF_PROG_LN_S],[
2860 AC_PROG_LN_S
2861 AC_MSG_CHECKING(if $LN_S -f options work)
2862
2863 rm -f conf$$.src conf$$dst
2864 echo >conf$$.dst
2865 echo first >conf$$.src
2866 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2867         cf_prog_ln_sf=yes
2868 else
2869         cf_prog_ln_sf=no
2870 fi
2871 rm -f conf$$.dst conf$$src
2872 AC_MSG_RESULT($cf_prog_ln_sf)
2873
2874 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2875 ])dnl
2876 dnl ---------------------------------------------------------------------------
2877 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2878 dnl ----------------
2879 dnl Remove all -U and -D options that refer to the given symbol from a list
2880 dnl of C compiler options.  This works around the problem that not all
2881 dnl compilers process -U and -D options from left-to-right, so a -U option
2882 dnl cannot be used to cancel the effect of a preceding -D option.
2883 dnl
2884 dnl $1 = target (which could be the same as the source variable)
2885 dnl $2 = source (including '$')
2886 dnl $3 = symbol to remove
2887 define([CF_REMOVE_DEFINE],
2888 [
2889 $1=`echo "$2" | \
2890         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2891                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2892 ])dnl
2893 dnl ---------------------------------------------------------------------------
2894 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2895 dnl -------------
2896 dnl Remove the given library from the symbol
2897 dnl
2898 dnl $1 = target (which could be the same as the source variable)
2899 dnl $2 = source (including '$')
2900 dnl $3 = library to remove
2901 define([CF_REMOVE_LIB],
2902 [
2903 # remove $3 library from $2
2904 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2905 ])dnl
2906 dnl ---------------------------------------------------------------------------
2907 dnl CF_SHARED_OPTS version: 69 updated: 2011/07/30 19:31:39
2908 dnl --------------
2909 dnl --------------
2910 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2911 dnl library.
2912 dnl
2913 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2914 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2915 dnl We avoid compiling-in a ../lib path for the shared library since that can
2916 dnl lead to unexpected results at runtime.
2917 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2918 dnl are compiled in ../../lib
2919 dnl
2920 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2921 dnl to install symbolic links to the rel/abi versions of shared libraries.
2922 dnl
2923 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2924 dnl version when making symbolic links.
2925 dnl
2926 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2927 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2928 dnl (ex: libncurses.so.<ver>).
2929 dnl
2930 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2931 AC_DEFUN([CF_SHARED_OPTS],
2932 [
2933         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2934         AC_REQUIRE([CF_LD_RPATH_OPT])
2935         LOCAL_LDFLAGS=
2936         LOCAL_LDFLAGS2=
2937         LD_SHARED_OPTS=
2938         INSTALL_LIB="-m 644"
2939
2940         cf_cv_do_symlinks=no
2941         cf_ld_rpath_opt=
2942         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2943
2944         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2945         AC_ARG_WITH(shlib-version,
2946         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2947         [test -z "$withval" && withval=auto
2948         case $withval in #(vi
2949         yes) #(vi
2950                 cf_cv_shlib_version=auto
2951                 ;;
2952         rel|abi|auto|no) #(vi
2953                 cf_cv_shlib_version=$withval
2954                 ;;
2955         *)
2956                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2957                 ;;
2958         esac
2959         ],[cf_cv_shlib_version=auto])
2960         AC_MSG_RESULT($cf_cv_shlib_version)
2961
2962         cf_cv_rm_so_locs=no
2963
2964         # Some less-capable ports of gcc support only -fpic
2965         CC_SHARED_OPTS=
2966         if test "$GCC" = yes
2967         then
2968                 AC_MSG_CHECKING(which $CC option to use)
2969                 cf_save_CFLAGS="$CFLAGS"
2970                 for CC_SHARED_OPTS in -fPIC -fpic ''
2971                 do
2972                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2973                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2974                 done
2975                 AC_MSG_RESULT($CC_SHARED_OPTS)
2976                 CFLAGS="$cf_save_CFLAGS"
2977         fi
2978
2979         cf_cv_shlib_version_infix=no
2980
2981         case $cf_cv_system_name in #(vi
2982         aix4.[3-9]*|aix[[5-7]]*) #(vi
2983                 if test "$GCC" = yes; then
2984                         CC_SHARED_OPTS=
2985                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2986                 else
2987                         # CC_SHARED_OPTS='-qpic=large -G'
2988                         # perhaps "-bM:SRE -bnoentry -bexpall"
2989                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2990                 fi
2991                 ;;
2992         beos*) #(vi
2993                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2994                 ;;
2995         cygwin*) #(vi
2996                 CC_SHARED_OPTS=
2997                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2998                 cf_cv_shlib_version=cygdll
2999                 cf_cv_shlib_version_infix=cygdll
3000                 cat >mk_shared_lib.sh <<-CF_EOF
3001                 #!/bin/sh
3002                 SHARED_LIB=\[$]1
3003                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3004                 shift
3005                 cat <<-EOF
3006                 Linking shared library
3007                 ** SHARED_LIB \[$]SHARED_LIB
3008                 ** IMPORT_LIB \[$]IMPORT_LIB
3009 EOF
3010                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3011 CF_EOF
3012                 chmod +x mk_shared_lib.sh
3013                 ;;
3014         darwin*) #(vi
3015                 EXTRA_CFLAGS="-no-cpp-precomp"
3016                 CC_SHARED_OPTS="-dynamic"
3017                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3018                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3019                 cf_cv_shlib_version_infix=yes
3020                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3021                         cf_save_LDFLAGS=$LDFLAGS
3022                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3023                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3024                                 LDFLAGS=$cf_save_LDFLAGS])
3025                 if test $cf_cv_ldflags_search_paths_first = yes; then
3026                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3027                 fi
3028                 ;;
3029         hpux*) #(vi
3030                 # (tested with gcc 2.7.2 -- I don't have c89)
3031                 if test "$GCC" = yes; then
3032                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3033                 else
3034                         CC_SHARED_OPTS='+Z'
3035                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3036                 fi
3037                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3038                 # HP-UX shared libraries must be executable, and should be
3039                 # readonly to exploit a quirk in the memory manager.
3040                 INSTALL_LIB="-m 555"
3041                 ;;
3042         interix*)
3043                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3044                 if test "$cf_cv_shlib_version" = rel; then
3045                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3046                 else
3047                         cf_shared_soname='`basename $@`'
3048                 fi
3049                 CC_SHARED_OPTS=
3050                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3051                 ;;
3052         irix*) #(vi
3053                 if test "$cf_cv_enable_rpath" = yes ; then
3054                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3055                 fi
3056                 # tested with IRIX 5.2 and 'cc'.
3057                 if test "$GCC" != yes; then
3058                         CC_SHARED_OPTS='-KPIC'
3059                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3060                 else
3061                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3062                 fi
3063                 cf_cv_rm_so_locs=yes
3064                 ;;
3065         linux*|gnu*|k*bsd*-gnu) #(vi
3066                 if test "$DFT_LWR_MODEL" = "shared" ; then
3067                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3068                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3069                 fi
3070                 if test "$cf_cv_enable_rpath" = yes ; then
3071                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3072                 fi
3073                 CF_SHARED_SONAME
3074                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3075                 ;;
3076         openbsd[[2-9]].*|mirbsd*) #(vi
3077                 if test "$DFT_LWR_MODEL" = "shared" ; then
3078                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3079                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3080                 fi
3081                 if test "$cf_cv_enable_rpath" = yes ; then
3082                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3083                 fi
3084                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3085                 CF_SHARED_SONAME
3086                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3087                 ;;
3088         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3089                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3090                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3091                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3092                 ;;
3093         dragonfly*|freebsd*) #(vi
3094                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3095                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3096                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3097                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3098                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3099                 fi
3100                 CF_SHARED_SONAME
3101                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3102                 ;;
3103         netbsd*) #(vi
3104                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3105                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3106                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3107                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3108                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3109                         if test "$cf_cv_shlib_version" = auto; then
3110                         if test -f /usr/libexec/ld.elf_so; then
3111                                 cf_cv_shlib_version=abi
3112                         else
3113                                 cf_cv_shlib_version=rel
3114                         fi
3115                         fi
3116                         CF_SHARED_SONAME
3117                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3118                 else
3119                         MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
3120                 fi
3121                 ;;
3122         osf*|mls+*) #(vi
3123                 # tested with OSF/1 V3.2 and 'cc'
3124                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3125                 # link with shared libs).
3126                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3127                 case $host_os in #(vi
3128                 osf4*)
3129                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3130                         ;;
3131                 esac
3132                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3133                 if test "$DFT_LWR_MODEL" = "shared" ; then
3134                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3135                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3136                 fi
3137                 cf_cv_rm_so_locs=yes
3138                 ;;
3139         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
3140                 # tested with osr5.0.5
3141                 if test "$GCC" != yes; then
3142                         CC_SHARED_OPTS='-belf -KPIC'
3143                 fi
3144                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3145                 if test "$cf_cv_enable_rpath" = yes ; then
3146                         # only way is to set LD_RUN_PATH but no switch for it
3147                         RUN_PATH=$libdir
3148                 fi
3149                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3150                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3151                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3152                 ;;
3153         sunos4*) #(vi
3154                 # tested with SunOS 4.1.1 and gcc 2.7.0
3155                 if test "$GCC" != yes; then
3156                         CC_SHARED_OPTS='-KPIC'
3157                 fi
3158                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3159                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3160                 ;;
3161         solaris2*) #(vi
3162                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3163                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3164                 if test "$DFT_LWR_MODEL" = "shared" ; then
3165                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3166                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3167                 fi
3168                 if test "$cf_cv_enable_rpath" = yes ; then
3169                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3170                 fi
3171                 CF_SHARED_SONAME
3172                 if test "$GCC" != yes; then
3173                         cf_save_CFLAGS="$CFLAGS"
3174                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3175                         do
3176                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3177                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3178                         done
3179                         CFLAGS="$cf_save_CFLAGS"
3180                         CC_SHARED_OPTS=$cf_shared_opts
3181                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3182                 else
3183                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3184                 fi
3185                 ;;
3186         sysv5uw7*|unix_sv*) #(vi
3187                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3188                 if test "$GCC" != yes; then
3189                         CC_SHARED_OPTS='-KPIC'
3190                 fi
3191                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3192                 ;;
3193         *)
3194                 CC_SHARED_OPTS='unknown'
3195                 MK_SHARED_LIB='echo unknown'
3196                 ;;
3197         esac
3198
3199         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3200         case "$cf_cv_shlib_version" in #(vi
3201         rel|abi)
3202                 case "$MK_SHARED_LIB" in #(vi
3203                 *'-o $[@]') #(vi
3204                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3205                         ;;
3206                 *)
3207                         AC_MSG_WARN(ignored --with-shlib-version)
3208                         ;;
3209                 esac
3210                 ;;
3211         esac
3212
3213         # RPATH_LIST is a colon-separated list of directories
3214         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3215         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3216
3217         AC_SUBST(CC_SHARED_OPTS)
3218         AC_SUBST(LD_RPATH_OPT)
3219         AC_SUBST(LD_SHARED_OPTS)
3220         AC_SUBST(MK_SHARED_LIB)
3221         AC_SUBST(LINK_PROGS)
3222         AC_SUBST(LINK_TESTS)
3223         AC_SUBST(EXTRA_LDFLAGS)
3224         AC_SUBST(LOCAL_LDFLAGS)
3225         AC_SUBST(LOCAL_LDFLAGS2)
3226         AC_SUBST(INSTALL_LIB)
3227         AC_SUBST(RPATH_LIST)
3228 ])dnl
3229 dnl ---------------------------------------------------------------------------
3230 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3231 dnl ----------------
3232 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3233 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3234 dnl option.
3235 dnl
3236 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3237 dnl If missing, use "rel".
3238 define([CF_SHARED_SONAME],
3239 [
3240         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3241         if test "$cf_cv_shlib_version" = rel; then
3242                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3243         else
3244                 cf_cv_shared_soname='`basename $[@]`'
3245         fi
3246 ])
3247 dnl ---------------------------------------------------------------------------
3248 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3249 dnl --------------
3250 dnl     Remove "-g" option from the compiler options
3251 AC_DEFUN([CF_STRIP_G_OPT],
3252 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3253 dnl ---------------------------------------------------------------------------
3254 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3255 dnl --------------
3256 dnl Construct a search-list for a nonstandard header/lib-file
3257 dnl     $1 = the variable to return as result
3258 dnl     $2 = the package name
3259 dnl     $3 = the subdirectory, e.g., bin, include or lib
3260 AC_DEFUN([CF_SUBDIR_PATH],
3261 [
3262 $1=
3263
3264 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3265 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3266 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3267 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3268 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3269 ])dnl
3270 dnl ---------------------------------------------------------------------------
3271 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
3272 dnl --------
3273 dnl     Shorthand macro for substituting things that the user may override
3274 dnl     with an environment variable.
3275 dnl
3276 dnl     $1 = long/descriptive name
3277 dnl     $2 = environment variable
3278 dnl     $3 = default value
3279 AC_DEFUN([CF_SUBST],
3280 [AC_CACHE_VAL(cf_cv_subst_$2,[
3281 AC_MSG_CHECKING(for $1 (symbol $2))
3282 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
3283 cf_cv_subst_$2=[$]$2
3284 AC_MSG_RESULT([$]$2)
3285 ])
3286 ])dnl
3287 dnl ---------------------------------------------------------------------------
3288 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
3289 dnl --------------
3290 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3291 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3292 dnl but some packagers change this, breaking various applications.
3293 AC_DEFUN([CF_TERM_HEADER],[
3294 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3295 case ${cf_cv_ncurses_header} in #(vi
3296 */ncurses.h|*/ncursesw.h) #(vi
3297         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3298         ;;
3299 *)
3300         cf_term_header=term.h
3301         ;;
3302 esac
3303
3304 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3305 do
3306 AC_TRY_COMPILE([#include <stdio.h>
3307 #include <${cf_cv_ncurses_header:-curses.h}>
3308 #include <$cf_test>
3309 ],[int x = auto_left_margin],[
3310         cf_cv_term_header="$cf_test"],[
3311         cf_cv_term_header=unknown
3312         ])
3313         test "$cf_cv_term_header" != unknown && break
3314 done
3315 ])
3316
3317 # Set definitions to allow ifdef'ing to accommodate subdirectories
3318
3319 case $cf_cv_term_header in # (vi
3320 *term.h)
3321         AC_DEFINE(HAVE_TERM_H)
3322         ;;
3323 esac
3324
3325 case $cf_cv_term_header in # (vi
3326 ncurses/term.h) #(vi
3327         AC_DEFINE(HAVE_NCURSES_TERM_H)
3328         ;;
3329 ncursesw/term.h)
3330         AC_DEFINE(HAVE_NCURSESW_TERM_H)
3331         ;;
3332 esac
3333 ])dnl
3334 dnl ---------------------------------------------------------------------------
3335 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3336 dnl ---------------
3337 dnl Define a top_builddir symbol, for applications that need an absolute path.
3338 AC_DEFUN([CF_TOP_BUILDDIR],
3339 [
3340 top_builddir=`pwd`
3341 AC_SUBST(top_builddir)
3342 ])dnl
3343 dnl ---------------------------------------------------------------------------
3344 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3345 dnl --------
3346 dnl Make an uppercase version of a variable
3347 dnl $1=uppercase($2)
3348 AC_DEFUN([CF_UPPER],
3349 [
3350 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3351 ])dnl
3352 dnl ---------------------------------------------------------------------------
3353 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
3354 dnl -----------
3355 dnl Check for multibyte support, and if not found, utf8 compatibility library
3356 AC_DEFUN([CF_UTF8_LIB],
3357 [
3358 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3359         cf_save_LIBS="$LIBS"
3360         AC_TRY_LINK([
3361 #include <stdlib.h>],[putwc(0,0);],
3362         [cf_cv_utf8_lib=yes],
3363         [CF_FIND_LINKAGE([
3364 #include <libutf8.h>],[putwc(0,0);],utf8,
3365                 [cf_cv_utf8_lib=add-on],
3366                 [cf_cv_utf8_lib=no])
3367 ])])
3368
3369 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3370 # ncurses/ncursesw:
3371 if test "$cf_cv_utf8_lib" = "add-on" ; then
3372         AC_DEFINE(HAVE_LIBUTF8_H)
3373         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3374         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3375         CF_ADD_LIBS($cf_cv_library_file_utf8)
3376 fi
3377 ])dnl
3378 dnl ---------------------------------------------------------------------------
3379 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3380 dnl ----------
3381 dnl Use AC_VERBOSE w/o the warnings
3382 AC_DEFUN([CF_VERBOSE],
3383 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3384 CF_MSG_LOG([$1])
3385 ])dnl
3386 dnl ---------------------------------------------------------------------------
3387 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3388 dnl ---------------
3389 dnl Check for compiler-support for weak symbols.
3390 dnl This works with "recent" gcc.
3391 AC_DEFUN([CF_WEAK_SYMBOLS],[
3392 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3393
3394 AC_TRY_COMPILE([
3395 #include <stdio.h>],
3396 [
3397 #if defined(__GNUC__)
3398 #  if defined __USE_ISOC99
3399 #    define _cat_pragma(exp)    _Pragma(#exp)
3400 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3401 #  else
3402 #    define _weak_pragma(exp)
3403 #  endif
3404 #  define _declare(name)        __extension__ extern __typeof__(name) name
3405 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3406 #endif
3407
3408 weak_symbol(fopen);
3409 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3410 ])
3411 ])dnl
3412 dnl ---------------------------------------------------------------------------
3413 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3414 dnl --------------------
3415 dnl Command-line option to specify the Ada95 compiler.
3416 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3417 AC_MSG_CHECKING(for ada-compiler)
3418 AC_ARG_WITH(ada-compiler,
3419         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3420         [cf_ada_compiler=$withval],
3421         [cf_ada_compiler=gnatmake])
3422 AC_SUBST(cf_ada_compiler)
3423 AC_MSG_RESULT($cf_ada_compiler)
3424 ])dnl
3425 dnl ---------------------------------------------------------------------------
3426 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3427 dnl -------------------
3428 dnl Command-line option to specify where Ada includes will install.
3429 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3430 AC_MSG_CHECKING(for ada-include)
3431 CF_WITH_PATH(ada-include,
3432    [  --with-ada-include=DIR  Ada includes are in DIR],
3433    ADA_INCLUDE,
3434    PREFIX/share/ada/adainclude,
3435    [$]prefix/share/ada/adainclude)
3436 AC_SUBST(ADA_INCLUDE)
3437 AC_MSG_RESULT($ADA_INCLUDE)
3438 ])dnl
3439 dnl ---------------------------------------------------------------------------
3440 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3441 dnl -------------------
3442 dnl Command-line option to specify where Ada objects will install.
3443 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3444 AC_MSG_CHECKING(for ada-objects)
3445 CF_WITH_PATH(ada-objects,
3446    [  --with-ada-objects=DIR  Ada objects are in DIR],
3447    ADA_OBJECTS,
3448    PREFIX/lib/ada/adalib,
3449    [$]prefix/lib/ada/adalib)
3450 AC_SUBST(ADA_OBJECTS)
3451 AC_MSG_RESULT($ADA_OBJECTS)
3452 ])dnl
3453 dnl ---------------------------------------------------------------------------
3454 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3455 dnl ---------------------
3456 dnl Command-line option to specify if an Ada95 shared-library should be built,
3457 dnl and optionally what its soname should be.
3458 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3459 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3460 AC_ARG_WITH(ada-sharedlib,
3461         [  --with-ada-sharedlib=XX build Ada95 shared-library],
3462         [with_ada_sharedlib=$withval],
3463         [with_ada_sharedlib=no])
3464 AC_MSG_RESULT($with_ada_sharedlib)
3465
3466 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3467 MAKE_ADA_SHAREDLIB="#"
3468
3469 if test "x$with_ada_sharedlib" != xno
3470 then
3471         MAKE_ADA_SHAREDLIB=
3472         if test "x$with_ada_sharedlib" != xyes
3473         then
3474                 ADA_SHAREDLIB="$with_ada_sharedlib"
3475         fi
3476 fi
3477
3478 AC_SUBST(ADA_SHAREDLIB)
3479 AC_SUBST(MAKE_ADA_SHAREDLIB)
3480 ])dnl
3481 dnl ---------------------------------------------------------------------------
3482 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3483 dnl ------------------
3484 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3485 dnl libraries.
3486 AC_DEFUN([CF_WITH_CURSES_DIR],[
3487
3488 AC_MSG_CHECKING(for specific curses-directory)
3489 AC_ARG_WITH(curses-dir,
3490         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3491         [cf_cv_curses_dir=$withval],
3492         [cf_cv_curses_dir=no])
3493 AC_MSG_RESULT($cf_cv_curses_dir)
3494
3495 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3496 then
3497         CF_PATH_SYNTAX(withval)
3498         if test -d "$cf_cv_curses_dir"
3499         then
3500                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3501                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3502         fi
3503 fi
3504 ])dnl
3505 dnl ---------------------------------------------------------------------------
3506 dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
3507 dnl ------------
3508 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3509 dnl defaulting to yes/no.
3510 dnl
3511 dnl $1 = option name
3512 dnl $2 = help-text
3513 dnl $3 = environment variable to set
3514 dnl $4 = default value, shown in the help-message, must be a constant
3515 dnl $5 = default value, if it's an expression & cannot be in the help-message
3516 dnl
3517 AC_DEFUN([CF_WITH_PATH],
3518 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3519 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3520 if ifelse([$5],,true,[test -n "$5"]) ; then
3521 CF_PATH_SYNTAX(withval)
3522 fi
3523 $3="$withval"
3524 AC_SUBST($3)dnl
3525 ])dnl
3526 dnl ---------------------------------------------------------------------------
3527 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 1 updated: 2011/09/10 16:20:21
3528 dnl -------------------------
3529 dnl Allow the choice of the pkg-config library directory to be overridden.
3530 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3531 if test "$PKG_CONFIG" != no ; then
3532         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3533         AC_ARG_WITH(pkg-config-libdir,
3534                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3535                 [PKG_CONFIG_LIBDIR=$withval],
3536                 [PKG_CONFIG_LIBDIR=yes])
3537
3538         case x$PKG_CONFIG_LIBDIR in #(vi
3539         x/*) #(vi
3540                 ;;
3541         xyes) #(vi
3542                 # look for the library directory using the same prefix as the executable
3543                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3544                 case x`(arch) 2>/dev/null` in #(vi
3545                 *64) #(vi
3546                         for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3547                         do
3548                                 if test -d $cf_config/pkgconfig
3549                                 then
3550                                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3551                                         break
3552                                 fi
3553                         done
3554                         ;;
3555                 *)
3556                         PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3557                         ;;
3558                 esac
3559                 ;;
3560         *)
3561                 ;;
3562         esac
3563
3564         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3565 fi
3566
3567 AC_SUBST(PKG_CONFIG_LIBDIR)
3568 ])dnl
3569 dnl ---------------------------------------------------------------------------
3570 dnl CF_WITH_PTHREAD version: 3 updated: 2010/05/29 16:31:02
3571 dnl ---------------
3572 dnl Check for POSIX thread library.
3573 AC_DEFUN([CF_WITH_PTHREAD],
3574 [
3575 AC_MSG_CHECKING(if you want to link with the pthread library)
3576 AC_ARG_WITH(pthread,
3577     [  --with-pthread          use POSIX thread library],
3578     [with_pthread=$withval],
3579     [with_pthread=no])
3580 AC_MSG_RESULT($with_pthread)
3581
3582 if test "$with_pthread" != no ; then
3583     AC_CHECK_HEADER(pthread.h,[
3584         AC_DEFINE(HAVE_PTHREADS_H)
3585
3586         AC_MSG_CHECKING(if we can link with the pthread library)
3587         cf_save_LIBS="$LIBS"
3588         CF_ADD_LIB(pthread)
3589         AC_TRY_LINK([
3590 #include <pthread.h>
3591 ],[
3592         int rc = pthread_create(0,0,0,0);
3593 ],[with_pthread=yes],[with_pthread=no])
3594         LIBS="$cf_save_LIBS"
3595         AC_MSG_RESULT($with_pthread)
3596
3597         if test "$with_pthread" = yes ; then
3598             CF_ADD_LIB(pthread)
3599             AC_DEFINE(HAVE_LIBPTHREADS)
3600         else
3601             AC_MSG_ERROR(Cannot link with pthread library)
3602         fi
3603     ])
3604 fi
3605 ])
3606 dnl ---------------------------------------------------------------------------
3607 dnl CF_XOPEN_SOURCE version: 37 updated: 2011/08/06 20:32:05
3608 dnl ---------------
3609 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3610 dnl or adapt to the vendor's definitions to get equivalent functionality,
3611 dnl without losing the common non-POSIX features.
3612 dnl
3613 dnl Parameters:
3614 dnl     $1 is the nominal value for _XOPEN_SOURCE
3615 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3616 AC_DEFUN([CF_XOPEN_SOURCE],[
3617
3618 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3619 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3620 cf_xopen_source=
3621
3622 case $host_os in #(vi
3623 aix[[4-7]]*) #(vi
3624         cf_xopen_source="-D_ALL_SOURCE"
3625         ;;
3626 cygwin) #(vi
3627         cf_XOPEN_SOURCE=600
3628         ;;
3629 darwin[[0-8]].*) #(vi
3630         cf_xopen_source="-D_APPLE_C_SOURCE"
3631         ;;
3632 darwin*) #(vi
3633         cf_xopen_source="-D_DARWIN_C_SOURCE"
3634         ;;
3635 freebsd*|dragonfly*) #(vi
3636         # 5.x headers associate
3637         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3638         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3639         cf_POSIX_C_SOURCE=200112L
3640         cf_XOPEN_SOURCE=600
3641         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3642         ;;
3643 hpux11*) #(vi
3644         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3645         ;;
3646 hpux*) #(vi
3647         cf_xopen_source="-D_HPUX_SOURCE"
3648         ;;
3649 irix[[56]].*) #(vi
3650         cf_xopen_source="-D_SGI_SOURCE"
3651         ;;
3652 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3653         CF_GNU_SOURCE
3654         ;;
3655 mirbsd*) #(vi
3656         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
3657         ;;
3658 netbsd*) #(vi
3659         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3660         ;;
3661 openbsd*) #(vi
3662         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3663         ;;
3664 osf[[45]]*) #(vi
3665         cf_xopen_source="-D_OSF_SOURCE"
3666         ;;
3667 nto-qnx*) #(vi
3668         cf_xopen_source="-D_QNX_SOURCE"
3669         ;;
3670 sco*) #(vi
3671         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3672         ;;
3673 solaris2.1[[0-9]]) #(vi
3674         cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3675         ;;
3676 solaris2.[[1-9]]) #(vi
3677         cf_xopen_source="-D__EXTENSIONS__"
3678         ;;
3679 *)
3680         AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3681         AC_TRY_COMPILE([#include <sys/types.h>],[
3682 #ifndef _XOPEN_SOURCE
3683 make an error
3684 #endif],
3685         [cf_cv_xopen_source=no],
3686         [cf_save="$CPPFLAGS"
3687          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3688          AC_TRY_COMPILE([#include <sys/types.h>],[
3689 #ifdef _XOPEN_SOURCE
3690 make an error
3691 #endif],
3692         [cf_cv_xopen_source=no],
3693         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3694         CPPFLAGS="$cf_save"
3695         ])
3696 ])
3697         if test "$cf_cv_xopen_source" != no ; then
3698                 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3699                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3700                 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3701                 CF_ADD_CFLAGS($cf_temp_xopen_source)
3702         fi
3703         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3704         ;;
3705 esac
3706
3707 if test -n "$cf_xopen_source" ; then
3708         CF_ADD_CFLAGS($cf_xopen_source)
3709 fi
3710 ])