ncurses 5.9 - patch 20111126
[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 1.41 2011/11/26 20:43:28 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: 9 updated: 2011/11/26 15:42:05
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
2228 CF_ACVERSION_CHECK(2.52,
2229         [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2230         [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2231
2232 if test "$NCURSES_CONFIG" != none ; then
2233
2234 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2235 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2236
2237 # even with config script, some packages use no-override for curses.h
2238 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2239
2240 dnl like CF_NCURSES_CPPFLAGS
2241 AC_DEFINE(NCURSES)
2242
2243 dnl like CF_NCURSES_LIBS
2244 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2245 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2246
2247 dnl like CF_NCURSES_VERSION
2248 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2249
2250 else
2251
2252 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2253 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2254
2255 fi
2256 ])dnl
2257 dnl ---------------------------------------------------------------------------
2258 dnl CF_NCURSES_CPPFLAGS version: 20 updated: 2010/11/20 17:02:38
2259 dnl -------------------
2260 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2261 dnl the CPPFLAGS variable so we can include its header.
2262 dnl
2263 dnl The header files may be installed as either curses.h, or ncurses.h (would
2264 dnl be obsolete, except that some packagers prefer this name to distinguish it
2265 dnl from a "native" curses implementation).  If not installed for overwrite,
2266 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2267 dnl /usr/include/ncurses), but someone may have installed overwriting the
2268 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2269 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2270 dnl the header.
2271 dnl
2272 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2273 dnl is already in the include-path, don't even bother with this, since we cannot
2274 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2275 dnl
2276 dnl The optional parameter gives the root name of the library, in case it is
2277 dnl not installed as the default curses library.  That is how the
2278 dnl wide-character version of ncurses is installed.
2279 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2280 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2281
2282 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2283 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2284
2285 test -n "$cf_cv_curses_dir" && \
2286 test "$cf_cv_curses_dir" != "no" && { \
2287   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2288 }
2289
2290 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2291         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2292         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2293         for cf_header in $cf_header_list
2294         do
2295                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2296                 test "$cf_cv_ncurses_h" != no && break
2297         done
2298 ])
2299
2300 CF_NCURSES_HEADER
2301 CF_TERM_HEADER
2302
2303 # some applications need this, but should check for NCURSES_VERSION
2304 AC_DEFINE(NCURSES)
2305
2306 CF_NCURSES_VERSION
2307 ])dnl
2308 dnl ---------------------------------------------------------------------------
2309 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
2310 dnl -----------------
2311 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2312 dnl variations of ncurses' installs.
2313 dnl
2314 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2315 AC_DEFUN([CF_NCURSES_HEADER],[
2316
2317 if test "$cf_cv_ncurses_h" != no ; then
2318         cf_cv_ncurses_header=$cf_cv_ncurses_h
2319 else
2320
2321 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2322         test -n "$verbose" && echo
2323         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2324         test -n "$verbose" && echo search path $cf_search
2325         cf_save2_CPPFLAGS="$CPPFLAGS"
2326         for cf_incdir in $cf_search
2327         do
2328                 CF_ADD_INCDIR($cf_incdir)
2329                 for cf_header in \
2330                         ncurses.h \
2331                         curses.h
2332                 do
2333                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2334                         if test "$cf_cv_ncurses_h2" != no ; then
2335                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2336                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2337                                 break
2338                         fi
2339                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2340                 done
2341                 CPPFLAGS="$cf_save2_CPPFLAGS"
2342                 test "$cf_cv_ncurses_h2" != no && break
2343         done
2344         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2345         ])
2346
2347         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2348         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2349         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2350                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2351         fi
2352         CF_ADD_INCDIR($cf_1st_incdir)
2353
2354 fi
2355
2356 # Set definitions to allow ifdef'ing for ncurses.h
2357
2358 case $cf_cv_ncurses_header in # (vi
2359 *ncurses.h)
2360         AC_DEFINE(HAVE_NCURSES_H)
2361         ;;
2362 esac
2363
2364 case $cf_cv_ncurses_header in # (vi
2365 ncurses/curses.h|ncurses/ncurses.h)
2366         AC_DEFINE(HAVE_NCURSES_NCURSES_H)
2367         ;;
2368 ncursesw/curses.h|ncursesw/ncurses.h)
2369         AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
2370         ;;
2371 esac
2372
2373 ])dnl
2374 dnl ---------------------------------------------------------------------------
2375 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2376 dnl ---------------
2377 dnl Look for the ncurses library.  This is a little complicated on Linux,
2378 dnl because it may be linked with the gpm (general purpose mouse) library.
2379 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2380 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2381 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2382 dnl and the linker will record a dependency.
2383 dnl
2384 dnl The optional parameter gives the root name of the library, in case it is
2385 dnl not installed as the default curses library.  That is how the
2386 dnl wide-character version of ncurses is installed.
2387 AC_DEFUN([CF_NCURSES_LIBS],
2388 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2389
2390 cf_nculib_root=ifelse($1,,ncurses,$1)
2391         # This works, except for the special case where we find gpm, but
2392         # ncurses is in a nonstandard location via $LIBS, and we really want
2393         # to link gpm.
2394 cf_ncurses_LIBS=""
2395 cf_ncurses_SAVE="$LIBS"
2396 AC_CHECK_LIB(gpm,Gpm_Open,
2397         [AC_CHECK_LIB(gpm,initscr,
2398                 [LIBS="$cf_ncurses_SAVE"],
2399                 [cf_ncurses_LIBS="-lgpm"])])
2400
2401 case $host_os in #(vi
2402 freebsd*)
2403         # This is only necessary if you are linking against an obsolete
2404         # version of ncurses (but it should do no harm, since it's static).
2405         if test "$cf_nculib_root" = ncurses ; then
2406                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2407         fi
2408         ;;
2409 esac
2410
2411 CF_ADD_LIBS($cf_ncurses_LIBS)
2412
2413 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2414 then
2415         CF_ADD_LIBS(-l$cf_nculib_root)
2416 else
2417         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2418                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2419                 [initscr()],
2420                 initscr)
2421 fi
2422
2423 if test -n "$cf_ncurses_LIBS" ; then
2424         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2425         cf_ncurses_SAVE="$LIBS"
2426         for p in $cf_ncurses_LIBS ; do
2427                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2428                 if test "$q" != "$LIBS" ; then
2429                         LIBS="$q"
2430                 fi
2431         done
2432         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2433                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2434                 [AC_MSG_RESULT(yes)],
2435                 [AC_MSG_RESULT(no)
2436                  LIBS="$cf_ncurses_SAVE"])
2437 fi
2438
2439 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2440 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2441 ])dnl
2442 dnl ---------------------------------------------------------------------------
2443 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
2444 dnl ------------------
2445 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2446 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2447 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2448 AC_DEFUN([CF_NCURSES_VERSION],
2449 [
2450 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2451 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2452         cf_cv_ncurses_version=no
2453         cf_tempfile=out$$
2454         rm -f $cf_tempfile
2455         AC_TRY_RUN([
2456 #include <${cf_cv_ncurses_header:-curses.h}>
2457 #include <stdio.h>
2458 int main()
2459 {
2460         FILE *fp = fopen("$cf_tempfile", "w");
2461 #ifdef NCURSES_VERSION
2462 # ifdef NCURSES_VERSION_PATCH
2463         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2464 # else
2465         fprintf(fp, "%s\n", NCURSES_VERSION);
2466 # endif
2467 #else
2468 # ifdef __NCURSES_H
2469         fprintf(fp, "old\n");
2470 # else
2471         make an error
2472 # endif
2473 #endif
2474         ${cf_cv_main_return:-return}(0);
2475 }],[
2476         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2477
2478         # This will not work if the preprocessor splits the line after the
2479         # Autoconf token.  The 'unproto' program does that.
2480         cat > conftest.$ac_ext <<EOF
2481 #include <${cf_cv_ncurses_header:-curses.h}>
2482 #undef Autoconf
2483 #ifdef NCURSES_VERSION
2484 Autoconf NCURSES_VERSION
2485 #else
2486 #ifdef __NCURSES_H
2487 Autoconf "old"
2488 #endif
2489 ;
2490 #endif
2491 EOF
2492         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2493         AC_TRY_EVAL(cf_try)
2494         if test -f conftest.out ; then
2495                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2496                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2497                 rm -f conftest.out
2498         fi
2499 ])
2500         rm -f $cf_tempfile
2501 ])
2502 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
2503 ])dnl
2504 dnl ---------------------------------------------------------------------------
2505 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
2506 dnl ------------------
2507 dnl see CF_WITH_NO_LEAKS
2508 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2509 AC_MSG_CHECKING(if you want to use $1 for testing)
2510 AC_ARG_WITH($1,
2511         [$2],
2512         [AC_DEFINE($3)ifelse([$4],,[
2513          $4
2514 ])
2515         : ${with_cflags:=-g}
2516         : ${with_no_leaks:=yes}
2517          with_$1=yes],
2518         [with_$1=])
2519 AC_MSG_RESULT(${with_$1:-no})
2520
2521 case .$with_cflags in #(vi
2522 .*-g*)
2523         case .$CFLAGS in #(vi
2524         .*-g*) #(vi
2525                 ;;
2526         *)
2527                 CF_ADD_CFLAGS([-g])
2528                 ;;
2529         esac
2530         ;;
2531 esac
2532 ])dnl
2533 dnl ---------------------------------------------------------------------------
2534 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
2535 dnl ----------------
2536 dnl Check if the given variable is a number.  If not, report an error.
2537 dnl $1 is the variable
2538 dnl $2 is the message
2539 AC_DEFUN([CF_NUMBER_SYNTAX],[
2540 if test -n "$1" ; then
2541   case $1 in #(vi
2542   [[0-9]]*) #(vi
2543         ;;
2544   *)
2545         AC_MSG_ERROR($2 is not a number: $1)
2546         ;;
2547   esac
2548 else
2549   AC_MSG_ERROR($2 value is empty)
2550 fi
2551 ])dnl
2552 dnl ---------------------------------------------------------------------------
2553 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2554 dnl -------------
2555 dnl Compute the object-directory name from the given model name
2556 AC_DEFUN([CF_OBJ_SUBDIR],
2557 [
2558         case $1 in
2559         libtool) $2='obj_lo'  ;;
2560         normal)  $2='objects' ;;
2561         debug)   $2='obj_g' ;;
2562         profile) $2='obj_p' ;;
2563         shared)
2564                 case $cf_cv_system_name in #(vi
2565                 cygwin) #(vi
2566                         $2='objects' ;;
2567                 *)
2568                         $2='obj_s' ;;
2569                 esac
2570         esac
2571 ])dnl
2572 dnl ---------------------------------------------------------------------------
2573 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
2574 dnl ----------
2575 dnl Provide a value for the $PATH and similar separator
2576 AC_DEFUN([CF_PATHSEP],
2577 [
2578         case $cf_cv_system_name in
2579         os2*)   PATH_SEPARATOR=';'  ;;
2580         *)      PATH_SEPARATOR=':'  ;;
2581         esac
2582 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2583         AC_SUBST(PATH_SEPARATOR)
2584 ])dnl
2585 dnl ---------------------------------------------------------------------------
2586 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
2587 dnl --------------
2588 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2589 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2590 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2591 dnl delayed evaluation of those symbols.
2592 AC_DEFUN([CF_PATH_SYNTAX],[
2593 if test "x$prefix" != xNONE; then
2594   cf_path_syntax="$prefix"
2595 else
2596   cf_path_syntax="$ac_default_prefix"
2597 fi
2598
2599 case ".[$]$1" in #(vi
2600 .\[$]\(*\)*|.\'*\'*) #(vi
2601   ;;
2602 ..|./*|.\\*) #(vi
2603   ;;
2604 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2605   ;;
2606 .\[$]{*prefix}*) #(vi
2607   eval $1="[$]$1"
2608   case ".[$]$1" in #(vi
2609   .NONE/*)
2610     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2611     ;;
2612   esac
2613   ;; #(vi
2614 .no|.NONE/*)
2615   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2616   ;;
2617 *)
2618   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2619   ;;
2620 esac
2621 ])dnl
2622 dnl ---------------------------------------------------------------------------
2623 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2624 dnl -------------
2625 dnl Check for the package-config program, unless disabled by command-line.
2626 AC_DEFUN([CF_PKG_CONFIG],
2627 [
2628 AC_MSG_CHECKING(if you want to use pkg-config)
2629 AC_ARG_WITH(pkg-config,
2630         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2631         [cf_pkg_config=$withval],
2632         [cf_pkg_config=yes])
2633 AC_MSG_RESULT($cf_pkg_config)
2634
2635 case $cf_pkg_config in #(vi
2636 no) #(vi
2637         PKG_CONFIG=none
2638         ;;
2639 yes) #(vi
2640         CF_ACVERSION_CHECK(2.52,
2641                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2642                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2643         ;;
2644 *)
2645         PKG_CONFIG=$withval
2646         ;;
2647 esac
2648
2649 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2650 if test "$PKG_CONFIG" != none ; then
2651         CF_PATH_SYNTAX(PKG_CONFIG)
2652 fi
2653
2654 AC_SUBST(PKG_CONFIG)
2655 ])dnl
2656 dnl ---------------------------------------------------------------------------
2657 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2658 dnl -----------------
2659 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2660 dnl
2661 dnl     POSIX.1-1990                            _POSIX_SOURCE
2662 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2663 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2664 dnl             Bindings Option
2665 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2666 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2667 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2668 dnl
2669 dnl Parameters:
2670 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2671 AC_DEFUN([CF_POSIX_C_SOURCE],
2672 [
2673 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2674
2675 cf_save_CFLAGS="$CFLAGS"
2676 cf_save_CPPFLAGS="$CPPFLAGS"
2677
2678 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2679 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2680
2681 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2682         CF_MSG_LOG(if the symbol is already defined go no further)
2683         AC_TRY_COMPILE([#include <sys/types.h>],[
2684 #ifndef _POSIX_C_SOURCE
2685 make an error
2686 #endif],
2687         [cf_cv_posix_c_source=no],
2688         [cf_want_posix_source=no
2689          case .$cf_POSIX_C_SOURCE in #(vi
2690          .[[12]]??*) #(vi
2691                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2692                 ;;
2693          .2) #(vi
2694                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2695                 cf_want_posix_source=yes
2696                 ;;
2697          .*)
2698                 cf_want_posix_source=yes
2699                 ;;
2700          esac
2701          if test "$cf_want_posix_source" = yes ; then
2702                 AC_TRY_COMPILE([#include <sys/types.h>],[
2703 #ifdef _POSIX_SOURCE
2704 make an error
2705 #endif],[],
2706                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2707          fi
2708          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2709          CFLAGS="$cf_trim_CFLAGS"
2710          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2711          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2712          AC_TRY_COMPILE([#include <sys/types.h>],[
2713 #ifndef _POSIX_C_SOURCE
2714 make an error
2715 #endif],,
2716          [cf_cv_posix_c_source=no])
2717          CFLAGS="$cf_save_CFLAGS"
2718          CPPFLAGS="$cf_save_CPPFLAGS"
2719         ])
2720 ])
2721
2722 if test "$cf_cv_posix_c_source" != no ; then
2723         CFLAGS="$cf_trim_CFLAGS"
2724         CPPFLAGS="$cf_trim_CPPFLAGS"
2725         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2726 fi
2727
2728 ])dnl
2729 dnl ---------------------------------------------------------------------------
2730 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2731 dnl ----------
2732 dnl Check for archiver "ar".
2733 AC_DEFUN([CF_PROG_AR],[
2734 AC_CHECK_TOOL(AR, ar, ar)
2735 ])
2736 dnl ---------------------------------------------------------------------------
2737 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2738 dnl -----------
2739 dnl Check for awk, ensure that the check found something.
2740 AC_DEFUN([CF_PROG_AWK],
2741 [
2742 AC_PROG_AWK
2743 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2744 ])dnl
2745 dnl ---------------------------------------------------------------------------
2746 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2747 dnl --------------
2748 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2749 dnl the output file can be renamed, and allows for a shell variable that can
2750 dnl be used later.  The parameter is either CC or CXX.  The result is the
2751 dnl cache variable:
2752 dnl     $cf_cv_prog_CC_c_o
2753 dnl     $cf_cv_prog_CXX_c_o
2754 AC_DEFUN([CF_PROG_CC_C_O],
2755 [AC_REQUIRE([AC_PROG_CC])dnl
2756 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2757 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2758 [
2759 cat > conftest.$ac_ext <<CF_EOF
2760 #include <stdio.h>
2761 int main()
2762 {
2763         ${cf_cv_main_return:-return}(0);
2764 }
2765 CF_EOF
2766 # We do the test twice because some compilers refuse to overwrite an
2767 # existing .o file with -o, though they will create one.
2768 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2769 if AC_TRY_EVAL(ac_try) &&
2770   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2771 then
2772   eval cf_cv_prog_$1_c_o=yes
2773 else
2774   eval cf_cv_prog_$1_c_o=no
2775 fi
2776 rm -rf conftest*
2777 ])dnl
2778 if test $cf_cv_prog_$1_c_o = yes; then
2779   AC_MSG_RESULT([yes])
2780 else
2781   AC_MSG_RESULT([no])
2782 fi
2783 ])dnl
2784 dnl ---------------------------------------------------------------------------
2785 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2786 dnl -------------
2787 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2788 dnl This macro adds a check to ensure the script found something.
2789 AC_DEFUN([CF_PROG_EGREP],
2790 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2791    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2792     then ac_cv_prog_egrep='grep -E'
2793     else ac_cv_prog_egrep='egrep'
2794     fi])
2795  EGREP=$ac_cv_prog_egrep
2796  AC_SUBST([EGREP])
2797 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2798 ])dnl
2799 dnl ---------------------------------------------------------------------------
2800 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
2801 dnl -----------
2802 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2803 AC_DEFUN([CF_PROG_EXT],
2804 [
2805 AC_REQUIRE([CF_CHECK_CACHE])
2806 case $cf_cv_system_name in
2807 os2*)
2808     CFLAGS="$CFLAGS -Zmt"
2809     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2810     CXXFLAGS="$CXXFLAGS -Zmt"
2811     # autoconf's macro sets -Zexe and suffix both, which conflict:w
2812     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2813     ac_cv_exeext=.exe
2814     ;;
2815 esac
2816
2817 AC_EXEEXT
2818 AC_OBJEXT
2819
2820 PROG_EXT="$EXEEXT"
2821 AC_SUBST(PROG_EXT)
2822 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
2823 ])dnl
2824 dnl ---------------------------------------------------------------------------
2825 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2826 dnl ------------
2827 dnl Check for gnatmake, ensure that it is complete.
2828 AC_DEFUN([CF_PROG_GNAT],[
2829 cf_ada_make=gnatmake
2830 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2831 if test "$ac_cv_prog_gnat_exists" = no; then
2832    cf_ada_make=
2833    cf_cv_prog_gnat_correct=no
2834 else
2835    CF_GNAT_VERSION
2836    AC_CHECK_PROG(M4_exists, m4, yes, no)
2837    if test "$ac_cv_prog_M4_exists" = no; then
2838       cf_cv_prog_gnat_correct=no
2839       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2840    fi
2841    if test "$cf_cv_prog_gnat_correct" = yes; then
2842       AC_MSG_CHECKING(if GNAT works)
2843       CF_GNAT_TRY_RUN([procedure conftest;],
2844 [with Text_IO;
2845 with GNAT.OS_Lib;
2846 procedure conftest is
2847 begin
2848    Text_IO.Put ("Hello World");
2849    Text_IO.New_Line;
2850    GNAT.OS_Lib.OS_Exit (0);
2851 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2852       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2853    fi
2854 fi
2855
2856 AC_SUBST(cf_ada_make)
2857 ])dnl
2858 dnl ---------------------------------------------------------------------------
2859 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2860 dnl ------------
2861 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2862 dnl option if it is supported.
2863 AC_DEFUN([CF_PROG_LN_S],[
2864 AC_PROG_LN_S
2865 AC_MSG_CHECKING(if $LN_S -f options work)
2866
2867 rm -f conf$$.src conf$$dst
2868 echo >conf$$.dst
2869 echo first >conf$$.src
2870 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2871         cf_prog_ln_sf=yes
2872 else
2873         cf_prog_ln_sf=no
2874 fi
2875 rm -f conf$$.dst conf$$src
2876 AC_MSG_RESULT($cf_prog_ln_sf)
2877
2878 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2879 ])dnl
2880 dnl ---------------------------------------------------------------------------
2881 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2882 dnl ----------------
2883 dnl Remove all -U and -D options that refer to the given symbol from a list
2884 dnl of C compiler options.  This works around the problem that not all
2885 dnl compilers process -U and -D options from left-to-right, so a -U option
2886 dnl cannot be used to cancel the effect of a preceding -D option.
2887 dnl
2888 dnl $1 = target (which could be the same as the source variable)
2889 dnl $2 = source (including '$')
2890 dnl $3 = symbol to remove
2891 define([CF_REMOVE_DEFINE],
2892 [
2893 $1=`echo "$2" | \
2894         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2895                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2896 ])dnl
2897 dnl ---------------------------------------------------------------------------
2898 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2899 dnl -------------
2900 dnl Remove the given library from the symbol
2901 dnl
2902 dnl $1 = target (which could be the same as the source variable)
2903 dnl $2 = source (including '$')
2904 dnl $3 = library to remove
2905 define([CF_REMOVE_LIB],
2906 [
2907 # remove $3 library from $2
2908 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2909 ])dnl
2910 dnl ---------------------------------------------------------------------------
2911 dnl CF_SHARED_OPTS version: 69 updated: 2011/07/30 19:31:39
2912 dnl --------------
2913 dnl --------------
2914 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2915 dnl library.
2916 dnl
2917 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2918 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2919 dnl We avoid compiling-in a ../lib path for the shared library since that can
2920 dnl lead to unexpected results at runtime.
2921 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2922 dnl are compiled in ../../lib
2923 dnl
2924 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2925 dnl to install symbolic links to the rel/abi versions of shared libraries.
2926 dnl
2927 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2928 dnl version when making symbolic links.
2929 dnl
2930 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2931 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2932 dnl (ex: libncurses.so.<ver>).
2933 dnl
2934 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2935 AC_DEFUN([CF_SHARED_OPTS],
2936 [
2937         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2938         AC_REQUIRE([CF_LD_RPATH_OPT])
2939         LOCAL_LDFLAGS=
2940         LOCAL_LDFLAGS2=
2941         LD_SHARED_OPTS=
2942         INSTALL_LIB="-m 644"
2943
2944         cf_cv_do_symlinks=no
2945         cf_ld_rpath_opt=
2946         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2947
2948         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2949         AC_ARG_WITH(shlib-version,
2950         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2951         [test -z "$withval" && withval=auto
2952         case $withval in #(vi
2953         yes) #(vi
2954                 cf_cv_shlib_version=auto
2955                 ;;
2956         rel|abi|auto|no) #(vi
2957                 cf_cv_shlib_version=$withval
2958                 ;;
2959         *)
2960                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2961                 ;;
2962         esac
2963         ],[cf_cv_shlib_version=auto])
2964         AC_MSG_RESULT($cf_cv_shlib_version)
2965
2966         cf_cv_rm_so_locs=no
2967
2968         # Some less-capable ports of gcc support only -fpic
2969         CC_SHARED_OPTS=
2970         if test "$GCC" = yes
2971         then
2972                 AC_MSG_CHECKING(which $CC option to use)
2973                 cf_save_CFLAGS="$CFLAGS"
2974                 for CC_SHARED_OPTS in -fPIC -fpic ''
2975                 do
2976                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2977                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2978                 done
2979                 AC_MSG_RESULT($CC_SHARED_OPTS)
2980                 CFLAGS="$cf_save_CFLAGS"
2981         fi
2982
2983         cf_cv_shlib_version_infix=no
2984
2985         case $cf_cv_system_name in #(vi
2986         aix4.[3-9]*|aix[[5-7]]*) #(vi
2987                 if test "$GCC" = yes; then
2988                         CC_SHARED_OPTS=
2989                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2990                 else
2991                         # CC_SHARED_OPTS='-qpic=large -G'
2992                         # perhaps "-bM:SRE -bnoentry -bexpall"
2993                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2994                 fi
2995                 ;;
2996         beos*) #(vi
2997                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2998                 ;;
2999         cygwin*) #(vi
3000                 CC_SHARED_OPTS=
3001                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3002                 cf_cv_shlib_version=cygdll
3003                 cf_cv_shlib_version_infix=cygdll
3004                 cat >mk_shared_lib.sh <<-CF_EOF
3005                 #!/bin/sh
3006                 SHARED_LIB=\[$]1
3007                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3008                 shift
3009                 cat <<-EOF
3010                 Linking shared library
3011                 ** SHARED_LIB \[$]SHARED_LIB
3012                 ** IMPORT_LIB \[$]IMPORT_LIB
3013 EOF
3014                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3015 CF_EOF
3016                 chmod +x mk_shared_lib.sh
3017                 ;;
3018         darwin*) #(vi
3019                 EXTRA_CFLAGS="-no-cpp-precomp"
3020                 CC_SHARED_OPTS="-dynamic"
3021                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3022                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3023                 cf_cv_shlib_version_infix=yes
3024                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3025                         cf_save_LDFLAGS=$LDFLAGS
3026                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3027                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3028                                 LDFLAGS=$cf_save_LDFLAGS])
3029                 if test $cf_cv_ldflags_search_paths_first = yes; then
3030                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3031                 fi
3032                 ;;
3033         hpux*) #(vi
3034                 # (tested with gcc 2.7.2 -- I don't have c89)
3035                 if test "$GCC" = yes; then
3036                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3037                 else
3038                         CC_SHARED_OPTS='+Z'
3039                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3040                 fi
3041                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3042                 # HP-UX shared libraries must be executable, and should be
3043                 # readonly to exploit a quirk in the memory manager.
3044                 INSTALL_LIB="-m 555"
3045                 ;;
3046         interix*)
3047                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3048                 if test "$cf_cv_shlib_version" = rel; then
3049                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3050                 else
3051                         cf_shared_soname='`basename $@`'
3052                 fi
3053                 CC_SHARED_OPTS=
3054                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3055                 ;;
3056         irix*) #(vi
3057                 if test "$cf_cv_enable_rpath" = yes ; then
3058                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3059                 fi
3060                 # tested with IRIX 5.2 and 'cc'.
3061                 if test "$GCC" != yes; then
3062                         CC_SHARED_OPTS='-KPIC'
3063                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3064                 else
3065                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3066                 fi
3067                 cf_cv_rm_so_locs=yes
3068                 ;;
3069         linux*|gnu*|k*bsd*-gnu) #(vi
3070                 if test "$DFT_LWR_MODEL" = "shared" ; then
3071                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3072                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3073                 fi
3074                 if test "$cf_cv_enable_rpath" = yes ; then
3075                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3076                 fi
3077                 CF_SHARED_SONAME
3078                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3079                 ;;
3080         openbsd[[2-9]].*|mirbsd*) #(vi
3081                 if test "$DFT_LWR_MODEL" = "shared" ; then
3082                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3083                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3084                 fi
3085                 if test "$cf_cv_enable_rpath" = yes ; then
3086                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3087                 fi
3088                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3089                 CF_SHARED_SONAME
3090                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3091                 ;;
3092         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3093                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3094                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3095                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3096                 ;;
3097         dragonfly*|freebsd*) #(vi
3098                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3099                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3100                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3101                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3102                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3103                 fi
3104                 CF_SHARED_SONAME
3105                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3106                 ;;
3107         netbsd*) #(vi
3108                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3109                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3110                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3111                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3112                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3113                         if test "$cf_cv_shlib_version" = auto; then
3114                         if test -f /usr/libexec/ld.elf_so; then
3115                                 cf_cv_shlib_version=abi
3116                         else
3117                                 cf_cv_shlib_version=rel
3118                         fi
3119                         fi
3120                         CF_SHARED_SONAME
3121                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3122                 else
3123                         MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
3124                 fi
3125                 ;;
3126         osf*|mls+*) #(vi
3127                 # tested with OSF/1 V3.2 and 'cc'
3128                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3129                 # link with shared libs).
3130                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3131                 case $host_os in #(vi
3132                 osf4*)
3133                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3134                         ;;
3135                 esac
3136                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3137                 if test "$DFT_LWR_MODEL" = "shared" ; then
3138                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3139                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3140                 fi
3141                 cf_cv_rm_so_locs=yes
3142                 ;;
3143         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
3144                 # tested with osr5.0.5
3145                 if test "$GCC" != yes; then
3146                         CC_SHARED_OPTS='-belf -KPIC'
3147                 fi
3148                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3149                 if test "$cf_cv_enable_rpath" = yes ; then
3150                         # only way is to set LD_RUN_PATH but no switch for it
3151                         RUN_PATH=$libdir
3152                 fi
3153                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3154                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3155                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3156                 ;;
3157         sunos4*) #(vi
3158                 # tested with SunOS 4.1.1 and gcc 2.7.0
3159                 if test "$GCC" != yes; then
3160                         CC_SHARED_OPTS='-KPIC'
3161                 fi
3162                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3163                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3164                 ;;
3165         solaris2*) #(vi
3166                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3167                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3168                 if test "$DFT_LWR_MODEL" = "shared" ; then
3169                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3170                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3171                 fi
3172                 if test "$cf_cv_enable_rpath" = yes ; then
3173                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3174                 fi
3175                 CF_SHARED_SONAME
3176                 if test "$GCC" != yes; then
3177                         cf_save_CFLAGS="$CFLAGS"
3178                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3179                         do
3180                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3181                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3182                         done
3183                         CFLAGS="$cf_save_CFLAGS"
3184                         CC_SHARED_OPTS=$cf_shared_opts
3185                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3186                 else
3187                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3188                 fi
3189                 ;;
3190         sysv5uw7*|unix_sv*) #(vi
3191                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3192                 if test "$GCC" != yes; then
3193                         CC_SHARED_OPTS='-KPIC'
3194                 fi
3195                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3196                 ;;
3197         *)
3198                 CC_SHARED_OPTS='unknown'
3199                 MK_SHARED_LIB='echo unknown'
3200                 ;;
3201         esac
3202
3203         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3204         case "$cf_cv_shlib_version" in #(vi
3205         rel|abi)
3206                 case "$MK_SHARED_LIB" in #(vi
3207                 *'-o $[@]') #(vi
3208                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3209                         ;;
3210                 *)
3211                         AC_MSG_WARN(ignored --with-shlib-version)
3212                         ;;
3213                 esac
3214                 ;;
3215         esac
3216
3217         # RPATH_LIST is a colon-separated list of directories
3218         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3219         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3220
3221         AC_SUBST(CC_SHARED_OPTS)
3222         AC_SUBST(LD_RPATH_OPT)
3223         AC_SUBST(LD_SHARED_OPTS)
3224         AC_SUBST(MK_SHARED_LIB)
3225         AC_SUBST(LINK_PROGS)
3226         AC_SUBST(LINK_TESTS)
3227         AC_SUBST(EXTRA_LDFLAGS)
3228         AC_SUBST(LOCAL_LDFLAGS)
3229         AC_SUBST(LOCAL_LDFLAGS2)
3230         AC_SUBST(INSTALL_LIB)
3231         AC_SUBST(RPATH_LIST)
3232 ])dnl
3233 dnl ---------------------------------------------------------------------------
3234 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3235 dnl ----------------
3236 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3237 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3238 dnl option.
3239 dnl
3240 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3241 dnl If missing, use "rel".
3242 define([CF_SHARED_SONAME],
3243 [
3244         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3245         if test "$cf_cv_shlib_version" = rel; then
3246                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3247         else
3248                 cf_cv_shared_soname='`basename $[@]`'
3249         fi
3250 ])
3251 dnl ---------------------------------------------------------------------------
3252 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3253 dnl --------------
3254 dnl     Remove "-g" option from the compiler options
3255 AC_DEFUN([CF_STRIP_G_OPT],
3256 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3257 dnl ---------------------------------------------------------------------------
3258 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3259 dnl --------------
3260 dnl Construct a search-list for a nonstandard header/lib-file
3261 dnl     $1 = the variable to return as result
3262 dnl     $2 = the package name
3263 dnl     $3 = the subdirectory, e.g., bin, include or lib
3264 AC_DEFUN([CF_SUBDIR_PATH],
3265 [
3266 $1=
3267
3268 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3269 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3270 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3271 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3272 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3273 ])dnl
3274 dnl ---------------------------------------------------------------------------
3275 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
3276 dnl --------
3277 dnl     Shorthand macro for substituting things that the user may override
3278 dnl     with an environment variable.
3279 dnl
3280 dnl     $1 = long/descriptive name
3281 dnl     $2 = environment variable
3282 dnl     $3 = default value
3283 AC_DEFUN([CF_SUBST],
3284 [AC_CACHE_VAL(cf_cv_subst_$2,[
3285 AC_MSG_CHECKING(for $1 (symbol $2))
3286 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
3287 cf_cv_subst_$2=[$]$2
3288 AC_MSG_RESULT([$]$2)
3289 ])
3290 ])dnl
3291 dnl ---------------------------------------------------------------------------
3292 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
3293 dnl --------------
3294 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3295 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3296 dnl but some packagers change this, breaking various applications.
3297 AC_DEFUN([CF_TERM_HEADER],[
3298 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3299 case ${cf_cv_ncurses_header} in #(vi
3300 */ncurses.h|*/ncursesw.h) #(vi
3301         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3302         ;;
3303 *)
3304         cf_term_header=term.h
3305         ;;
3306 esac
3307
3308 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3309 do
3310 AC_TRY_COMPILE([#include <stdio.h>
3311 #include <${cf_cv_ncurses_header:-curses.h}>
3312 #include <$cf_test>
3313 ],[int x = auto_left_margin],[
3314         cf_cv_term_header="$cf_test"],[
3315         cf_cv_term_header=unknown
3316         ])
3317         test "$cf_cv_term_header" != unknown && break
3318 done
3319 ])
3320
3321 # Set definitions to allow ifdef'ing to accommodate subdirectories
3322
3323 case $cf_cv_term_header in # (vi
3324 *term.h)
3325         AC_DEFINE(HAVE_TERM_H)
3326         ;;
3327 esac
3328
3329 case $cf_cv_term_header in # (vi
3330 ncurses/term.h) #(vi
3331         AC_DEFINE(HAVE_NCURSES_TERM_H)
3332         ;;
3333 ncursesw/term.h)
3334         AC_DEFINE(HAVE_NCURSESW_TERM_H)
3335         ;;
3336 esac
3337 ])dnl
3338 dnl ---------------------------------------------------------------------------
3339 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3340 dnl ---------------
3341 dnl Define a top_builddir symbol, for applications that need an absolute path.
3342 AC_DEFUN([CF_TOP_BUILDDIR],
3343 [
3344 top_builddir=`pwd`
3345 AC_SUBST(top_builddir)
3346 ])dnl
3347 dnl ---------------------------------------------------------------------------
3348 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3349 dnl -------------------
3350 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3351 dnl can define it successfully.
3352 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3353 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3354         AC_TRY_COMPILE([
3355 #include <stdlib.h>
3356 #include <string.h>
3357 #include <sys/types.h>
3358 ],[
3359 #ifndef _XOPEN_SOURCE
3360 make an error
3361 #endif],
3362         [cf_cv_xopen_source=no],
3363         [cf_save="$CPPFLAGS"
3364          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3365          AC_TRY_COMPILE([
3366 #include <stdlib.h>
3367 #include <string.h>
3368 #include <sys/types.h>
3369 ],[
3370 #ifdef _XOPEN_SOURCE
3371 make an error
3372 #endif],
3373         [cf_cv_xopen_source=no],
3374         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3375         CPPFLAGS="$cf_save"
3376         ])
3377 ])
3378
3379 if test "$cf_cv_xopen_source" != no ; then
3380         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3381         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3382         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3383         CF_ADD_CFLAGS($cf_temp_xopen_source)
3384 fi
3385 ])
3386 dnl ---------------------------------------------------------------------------
3387 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3388 dnl --------
3389 dnl Make an uppercase version of a variable
3390 dnl $1=uppercase($2)
3391 AC_DEFUN([CF_UPPER],
3392 [
3393 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3394 ])dnl
3395 dnl ---------------------------------------------------------------------------
3396 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
3397 dnl -----------
3398 dnl Check for multibyte support, and if not found, utf8 compatibility library
3399 AC_DEFUN([CF_UTF8_LIB],
3400 [
3401 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3402         cf_save_LIBS="$LIBS"
3403         AC_TRY_LINK([
3404 #include <stdlib.h>],[putwc(0,0);],
3405         [cf_cv_utf8_lib=yes],
3406         [CF_FIND_LINKAGE([
3407 #include <libutf8.h>],[putwc(0,0);],utf8,
3408                 [cf_cv_utf8_lib=add-on],
3409                 [cf_cv_utf8_lib=no])
3410 ])])
3411
3412 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3413 # ncurses/ncursesw:
3414 if test "$cf_cv_utf8_lib" = "add-on" ; then
3415         AC_DEFINE(HAVE_LIBUTF8_H)
3416         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3417         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3418         CF_ADD_LIBS($cf_cv_library_file_utf8)
3419 fi
3420 ])dnl
3421 dnl ---------------------------------------------------------------------------
3422 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3423 dnl ----------
3424 dnl Use AC_VERBOSE w/o the warnings
3425 AC_DEFUN([CF_VERBOSE],
3426 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3427 CF_MSG_LOG([$1])
3428 ])dnl
3429 dnl ---------------------------------------------------------------------------
3430 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3431 dnl ---------------
3432 dnl Check for compiler-support for weak symbols.
3433 dnl This works with "recent" gcc.
3434 AC_DEFUN([CF_WEAK_SYMBOLS],[
3435 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3436
3437 AC_TRY_COMPILE([
3438 #include <stdio.h>],
3439 [
3440 #if defined(__GNUC__)
3441 #  if defined __USE_ISOC99
3442 #    define _cat_pragma(exp)    _Pragma(#exp)
3443 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3444 #  else
3445 #    define _weak_pragma(exp)
3446 #  endif
3447 #  define _declare(name)        __extension__ extern __typeof__(name) name
3448 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3449 #endif
3450
3451 weak_symbol(fopen);
3452 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3453 ])
3454 ])dnl
3455 dnl ---------------------------------------------------------------------------
3456 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3457 dnl --------------------
3458 dnl Command-line option to specify the Ada95 compiler.
3459 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3460 AC_MSG_CHECKING(for ada-compiler)
3461 AC_ARG_WITH(ada-compiler,
3462         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3463         [cf_ada_compiler=$withval],
3464         [cf_ada_compiler=gnatmake])
3465 AC_SUBST(cf_ada_compiler)
3466 AC_MSG_RESULT($cf_ada_compiler)
3467 ])dnl
3468 dnl ---------------------------------------------------------------------------
3469 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3470 dnl -------------------
3471 dnl Command-line option to specify where Ada includes will install.
3472 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3473 AC_MSG_CHECKING(for ada-include)
3474 CF_WITH_PATH(ada-include,
3475    [  --with-ada-include=DIR  Ada includes are in DIR],
3476    ADA_INCLUDE,
3477    PREFIX/share/ada/adainclude,
3478    [$]prefix/share/ada/adainclude)
3479 AC_SUBST(ADA_INCLUDE)
3480 AC_MSG_RESULT($ADA_INCLUDE)
3481 ])dnl
3482 dnl ---------------------------------------------------------------------------
3483 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3484 dnl -------------------
3485 dnl Command-line option to specify where Ada objects will install.
3486 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3487 AC_MSG_CHECKING(for ada-objects)
3488 CF_WITH_PATH(ada-objects,
3489    [  --with-ada-objects=DIR  Ada objects are in DIR],
3490    ADA_OBJECTS,
3491    PREFIX/lib/ada/adalib,
3492    [$]prefix/lib/ada/adalib)
3493 AC_SUBST(ADA_OBJECTS)
3494 AC_MSG_RESULT($ADA_OBJECTS)
3495 ])dnl
3496 dnl ---------------------------------------------------------------------------
3497 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3498 dnl ---------------------
3499 dnl Command-line option to specify if an Ada95 shared-library should be built,
3500 dnl and optionally what its soname should be.
3501 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3502 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3503 AC_ARG_WITH(ada-sharedlib,
3504         [  --with-ada-sharedlib=XX build Ada95 shared-library],
3505         [with_ada_sharedlib=$withval],
3506         [with_ada_sharedlib=no])
3507 AC_MSG_RESULT($with_ada_sharedlib)
3508
3509 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3510 MAKE_ADA_SHAREDLIB="#"
3511
3512 if test "x$with_ada_sharedlib" != xno
3513 then
3514         MAKE_ADA_SHAREDLIB=
3515         if test "x$with_ada_sharedlib" != xyes
3516         then
3517                 ADA_SHAREDLIB="$with_ada_sharedlib"
3518         fi
3519 fi
3520
3521 AC_SUBST(ADA_SHAREDLIB)
3522 AC_SUBST(MAKE_ADA_SHAREDLIB)
3523 ])dnl
3524 dnl ---------------------------------------------------------------------------
3525 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3526 dnl ------------------
3527 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3528 dnl libraries.
3529 AC_DEFUN([CF_WITH_CURSES_DIR],[
3530
3531 AC_MSG_CHECKING(for specific curses-directory)
3532 AC_ARG_WITH(curses-dir,
3533         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3534         [cf_cv_curses_dir=$withval],
3535         [cf_cv_curses_dir=no])
3536 AC_MSG_RESULT($cf_cv_curses_dir)
3537
3538 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3539 then
3540         CF_PATH_SYNTAX(withval)
3541         if test -d "$cf_cv_curses_dir"
3542         then
3543                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3544                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3545         fi
3546 fi
3547 ])dnl
3548 dnl ---------------------------------------------------------------------------
3549 dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
3550 dnl ------------
3551 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3552 dnl defaulting to yes/no.
3553 dnl
3554 dnl $1 = option name
3555 dnl $2 = help-text
3556 dnl $3 = environment variable to set
3557 dnl $4 = default value, shown in the help-message, must be a constant
3558 dnl $5 = default value, if it's an expression & cannot be in the help-message
3559 dnl
3560 AC_DEFUN([CF_WITH_PATH],
3561 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3562 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3563 if ifelse([$5],,true,[test -n "$5"]) ; then
3564 CF_PATH_SYNTAX(withval)
3565 fi
3566 $3="$withval"
3567 AC_SUBST($3)dnl
3568 ])dnl
3569 dnl ---------------------------------------------------------------------------
3570 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 1 updated: 2011/09/10 16:20:21
3571 dnl -------------------------
3572 dnl Allow the choice of the pkg-config library directory to be overridden.
3573 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3574 if test "$PKG_CONFIG" != no ; then
3575         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3576         AC_ARG_WITH(pkg-config-libdir,
3577                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3578                 [PKG_CONFIG_LIBDIR=$withval],
3579                 [PKG_CONFIG_LIBDIR=yes])
3580
3581         case x$PKG_CONFIG_LIBDIR in #(vi
3582         x/*) #(vi
3583                 ;;
3584         xyes) #(vi
3585                 # look for the library directory using the same prefix as the executable
3586                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3587                 case x`(arch) 2>/dev/null` in #(vi
3588                 *64) #(vi
3589                         for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3590                         do
3591                                 if test -d $cf_config/pkgconfig
3592                                 then
3593                                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3594                                         break
3595                                 fi
3596                         done
3597                         ;;
3598                 *)
3599                         PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3600                         ;;
3601                 esac
3602                 ;;
3603         *)
3604                 ;;
3605         esac
3606
3607         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3608 fi
3609
3610 AC_SUBST(PKG_CONFIG_LIBDIR)
3611 ])dnl
3612 dnl ---------------------------------------------------------------------------
3613 dnl CF_WITH_PTHREAD version: 4 updated: 2011/11/12 21:08:44
3614 dnl ---------------
3615 dnl Check for POSIX thread library.
3616 AC_DEFUN([CF_WITH_PTHREAD],
3617 [
3618 AC_MSG_CHECKING(if you want to link with the pthread library)
3619 AC_ARG_WITH(pthread,
3620     [  --with-pthread          use POSIX thread library],
3621     [with_pthread=$withval],
3622     [with_pthread=no])
3623 AC_MSG_RESULT($with_pthread)
3624
3625 if test "$with_pthread" != no ; then
3626     AC_CHECK_HEADER(pthread.h,[
3627         AC_DEFINE(HAVE_PTHREADS_H)
3628
3629         for cf_lib_pthread in pthread c_r
3630         do
3631             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3632             cf_save_LIBS="$LIBS"
3633             CF_ADD_LIB($cf_lib_pthread)
3634             AC_TRY_LINK([
3635 #include <pthread.h>
3636 ],[
3637             int rc = pthread_create(0,0,0,0);
3638 ],[with_pthread=yes],[with_pthread=no])
3639             LIBS="$cf_save_LIBS"
3640             AC_MSG_RESULT($with_pthread)
3641             test "$with_pthread" = yes && break
3642         done
3643
3644         if test "$with_pthread" = yes ; then
3645             CF_ADD_LIB($cf_lib_pthread)
3646             AC_DEFINE(HAVE_LIBPTHREADS)
3647         else
3648             AC_MSG_ERROR(Cannot link with pthread library)
3649         fi
3650     ])
3651 fi
3652 ])
3653 dnl ---------------------------------------------------------------------------
3654 dnl CF_XOPEN_SOURCE version: 40 updated: 2011/11/12 21:08:44
3655 dnl ---------------
3656 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3657 dnl or adapt to the vendor's definitions to get equivalent functionality,
3658 dnl without losing the common non-POSIX features.
3659 dnl
3660 dnl Parameters:
3661 dnl     $1 is the nominal value for _XOPEN_SOURCE
3662 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3663 AC_DEFUN([CF_XOPEN_SOURCE],[
3664
3665 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3666 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3667 cf_xopen_source=
3668
3669 case $host_os in #(vi
3670 aix[[4-7]]*) #(vi
3671         cf_xopen_source="-D_ALL_SOURCE"
3672         ;;
3673 cygwin) #(vi
3674         cf_XOPEN_SOURCE=600
3675         ;;
3676 darwin[[0-8]].*) #(vi
3677         cf_xopen_source="-D_APPLE_C_SOURCE"
3678         ;;
3679 darwin*) #(vi
3680         cf_xopen_source="-D_DARWIN_C_SOURCE"
3681         ;;
3682 freebsd*|dragonfly*) #(vi
3683         # 5.x headers associate
3684         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3685         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3686         cf_POSIX_C_SOURCE=200112L
3687         cf_XOPEN_SOURCE=600
3688         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3689         ;;
3690 hpux11*) #(vi
3691         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3692         ;;
3693 hpux*) #(vi
3694         cf_xopen_source="-D_HPUX_SOURCE"
3695         ;;
3696 irix[[56]].*) #(vi
3697         cf_xopen_source="-D_SGI_SOURCE"
3698         ;;
3699 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3700         CF_GNU_SOURCE
3701         ;;
3702 mirbsd*) #(vi
3703         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3704         cf_XOPEN_SOURCE=
3705         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3706         ;;
3707 netbsd*) #(vi
3708         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3709         ;;
3710 openbsd[[4-9]]*) #(vi
3711         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3712         cf_XOPEN_SOURCE=600
3713         ;;
3714 openbsd*) #(vi
3715         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3716         ;;
3717 osf[[45]]*) #(vi
3718         cf_xopen_source="-D_OSF_SOURCE"
3719         ;;
3720 nto-qnx*) #(vi
3721         cf_xopen_source="-D_QNX_SOURCE"
3722         ;;
3723 sco*) #(vi
3724         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3725         ;;
3726 solaris2.*) #(vi
3727         cf_xopen_source="-D__EXTENSIONS__"
3728         ;;
3729 *)
3730         CF_TRY_XOPEN_SOURCE
3731         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3732         ;;
3733 esac
3734
3735 if test -n "$cf_xopen_source" ; then
3736         CF_ADD_CFLAGS($cf_xopen_source)
3737 fi
3738
3739 dnl In anything but the default case, we may have system-specific setting
3740 dnl which is still not guaranteed to provide all of the entrypoints that
3741 dnl _XOPEN_SOURCE would yield.
3742 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3743         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3744         AC_TRY_COMPILE([#include <stdlib.h>],[
3745 #ifndef _XOPEN_SOURCE
3746 make an error
3747 #endif],
3748         [cf_XOPEN_SOURCE_set=yes],
3749         [cf_XOPEN_SOURCE_set=no])
3750         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3751         if test $cf_XOPEN_SOURCE_set = yes
3752         then
3753                 AC_TRY_COMPILE([#include <stdlib.h>],[
3754 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3755 make an error
3756 #endif],
3757                 [cf_XOPEN_SOURCE_set_ok=yes],
3758                 [cf_XOPEN_SOURCE_set_ok=no])
3759                 if test $cf_XOPEN_SOURCE_set_ok = no
3760                 then
3761                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3762                 fi
3763         else
3764                 CF_TRY_XOPEN_SOURCE
3765         fi
3766 fi
3767 ])