f4864461ed46a005eddb3492f5c4c049f037aced
[ncurses.git] / Ada95 / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 2010 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 1.18 2010/11/13 19:19:59 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_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
43 dnl -------------------
44 dnl Construct the list of include-options for the C programs in the Ada95
45 dnl binding.
46 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
47 [
48 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
49 if test "$srcdir" != "."; then
50         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
51 fi
52 if test "$GCC" != yes; then
53         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
54 elif test "$includedir" != "/usr/include"; then
55         if test "$includedir" = '${prefix}/include' ; then
56                 if test $prefix != /usr ; then
57                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
58                 fi
59         else
60                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
61         fi
62 fi
63 AC_SUBST(ACPPFLAGS)
64 ])dnl
65 dnl ---------------------------------------------------------------------------
66 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
67 dnl ---------------
68 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
69 AC_DEFUN([CF_ADD_ADAFLAGS],[
70         ADAFLAGS="$ADAFLAGS $1"
71         AC_SUBST(ADAFLAGS)
72 ])dnl
73 dnl ---------------------------------------------------------------------------
74 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
75 dnl -------------
76 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
77 dnl The second parameter if given makes this macro verbose.
78 dnl
79 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
80 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
81 dnl confused by the quotes (which require backslashes to keep them usable).
82 AC_DEFUN([CF_ADD_CFLAGS],
83 [
84 cf_fix_cppflags=no
85 cf_new_cflags=
86 cf_new_cppflags=
87 cf_new_extra_cppflags=
88
89 for cf_add_cflags in $1
90 do
91 case $cf_fix_cppflags in
92 no)
93         case $cf_add_cflags in #(vi
94         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
95                 case $cf_add_cflags in
96                 -D*)
97                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
98
99                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
100                                 && test -z "${cf_tst_cflags}" \
101                                 && cf_fix_cppflags=yes
102
103                         if test $cf_fix_cppflags = yes ; then
104                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
105                                 continue
106                         elif test "${cf_tst_cflags}" = "\"'" ; then
107                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
108                                 continue
109                         fi
110                         ;;
111                 esac
112                 case "$CPPFLAGS" in
113                 *$cf_add_cflags) #(vi
114                         ;;
115                 *) #(vi
116                         case $cf_add_cflags in #(vi
117                         -D*)
118                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
119                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
120                                 ;;
121                         esac
122                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
123                         ;;
124                 esac
125                 ;;
126         *)
127                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
128                 ;;
129         esac
130         ;;
131 yes)
132         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
133
134         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
135
136         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
137                 && test -z "${cf_tst_cflags}" \
138                 && cf_fix_cppflags=no
139         ;;
140 esac
141 done
142
143 if test -n "$cf_new_cflags" ; then
144         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
145         CFLAGS="$CFLAGS $cf_new_cflags"
146 fi
147
148 if test -n "$cf_new_cppflags" ; then
149         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
150         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
151 fi
152
153 if test -n "$cf_new_extra_cppflags" ; then
154         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
155         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
156 fi
157
158 AC_SUBST(EXTRA_CPPFLAGS)
159
160 ])dnl
161 dnl ---------------------------------------------------------------------------
162 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
163 dnl -------------
164 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
165 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
166 dnl but old versions (and some misinstalled ones) need that.  To make things
167 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
168 dnl the include-path).
169 AC_DEFUN([CF_ADD_INCDIR],
170 [
171 if test -n "$1" ; then
172   for cf_add_incdir in $1
173   do
174         while test $cf_add_incdir != /usr/include
175         do
176           if test -d $cf_add_incdir
177           then
178                 cf_have_incdir=no
179                 if test -n "$CFLAGS$CPPFLAGS" ; then
180                   # a loop is needed to ensure we can add subdirs of existing dirs
181                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
182                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
183                           cf_have_incdir=yes; break
184                         fi
185                   done
186                 fi
187
188                 if test "$cf_have_incdir" = no ; then
189                   if test "$cf_add_incdir" = /usr/local/include ; then
190                         if test "$GCC" = yes
191                         then
192                           cf_save_CPPFLAGS=$CPPFLAGS
193                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
194                           AC_TRY_COMPILE([#include <stdio.h>],
195                                   [printf("Hello")],
196                                   [],
197                                   [cf_have_incdir=yes])
198                           CPPFLAGS=$cf_save_CPPFLAGS
199                         fi
200                   fi
201                 fi
202
203                 if test "$cf_have_incdir" = no ; then
204                   CF_VERBOSE(adding $cf_add_incdir to include-path)
205                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
206
207                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
208                   test "$cf_top_incdir" = "$cf_add_incdir" && break
209                   cf_add_incdir="$cf_top_incdir"
210                 else
211                   break
212                 fi
213           fi
214         done
215   done
216 fi
217 ])dnl
218 dnl ---------------------------------------------------------------------------
219 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
220 dnl ----------
221 dnl Add a library, used to enforce consistency.
222 dnl
223 dnl $1 = library to add, without the "-l"
224 dnl $2 = variable to update (default $LIBS)
225 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
226 dnl ---------------------------------------------------------------------------
227 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
228 dnl -------------
229 dnl     Adds to the library-path
230 dnl
231 dnl     Some machines have trouble with multiple -L options.
232 dnl
233 dnl $1 is the (list of) directory(s) to add
234 dnl $2 is the optional name of the variable to update (default LDFLAGS)
235 dnl
236 AC_DEFUN([CF_ADD_LIBDIR],
237 [
238 if test -n "$1" ; then
239   for cf_add_libdir in $1
240   do
241     if test $cf_add_libdir = /usr/lib ; then
242       :
243     elif test -d $cf_add_libdir
244     then
245       cf_have_libdir=no
246       if test -n "$LDFLAGS$LIBS" ; then
247         # a loop is needed to ensure we can add subdirs of existing dirs
248         for cf_test_libdir in $LDFLAGS $LIBS ; do
249           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
250             cf_have_libdir=yes; break
251           fi
252         done
253       fi
254       if test "$cf_have_libdir" = no ; then
255         CF_VERBOSE(adding $cf_add_libdir to library-path)
256         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
257       fi
258     fi
259   done
260 fi
261 ])dnl
262 dnl ---------------------------------------------------------------------------
263 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
264 dnl -----------
265 dnl Add one or more libraries, used to enforce consistency.
266 dnl
267 dnl $1 = libraries to add, with the "-l", etc.
268 dnl $2 = variable to update (default $LIBS)
269 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
270 dnl ---------------------------------------------------------------------------
271 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
272 dnl ------------------
273 dnl Append to a search-list for a nonstandard header/lib-file
274 dnl     $1 = the variable to return as result
275 dnl     $2 = the package name
276 dnl     $3 = the subdirectory, e.g., bin, include or lib
277 dnl $4 = the directory under which we will test for subdirectories
278 dnl $5 = a directory that we do not want $4 to match
279 AC_DEFUN([CF_ADD_SUBDIR_PATH],
280 [
281 test "$4" != "$5" && \
282 test -d "$4" && \
283 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
284         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
285         test -d $4/$3 &&          $1="[$]$1 $4/$3"
286         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
287         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
288         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
289         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
290 }
291 ])dnl
292 dnl ---------------------------------------------------------------------------
293 dnl CF_ANSI_CC_CHECK version: 10 updated: 2010/10/23 15:52:32
294 dnl ----------------
295 dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
296 dnl in the sharutils 4.2 distribution.
297 AC_DEFUN([CF_ANSI_CC_CHECK],
298 [
299 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
300 cf_cv_ansi_cc=no
301 cf_save_CFLAGS="$CFLAGS"
302 cf_save_CPPFLAGS="$CPPFLAGS"
303 # Don't try gcc -ansi; that turns off useful extensions and
304 # breaks some systems' header files.
305 # AIX                   -qlanglvl=ansi
306 # Ultrix and OSF/1      -std1
307 # HP-UX                 -Aa -D_HPUX_SOURCE
308 # SVR4                  -Xc
309 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
310 for cf_arg in "-DCC_HAS_PROTOS" \
311         "" \
312         -qlanglvl=ansi \
313         -std1 \
314         -Ae \
315         "-Aa -D_HPUX_SOURCE" \
316         -Xc
317 do
318         CF_ADD_CFLAGS($cf_arg)
319         AC_TRY_COMPILE(
320 [
321 #ifndef CC_HAS_PROTOS
322 #if !defined(__STDC__) || (__STDC__ != 1)
323 choke me
324 #endif
325 #endif
326 ],[
327         int test (int i, double x);
328         struct s1 {int (*f) (int a);};
329         struct s2 {int (*f) (double a);};],
330         [cf_cv_ansi_cc="$cf_arg"; break])
331 done
332 CFLAGS="$cf_save_CFLAGS"
333 CPPFLAGS="$cf_save_CPPFLAGS"
334 ])
335
336 if test "$cf_cv_ansi_cc" != "no"; then
337 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
338         CF_ADD_CFLAGS($cf_cv_ansi_cc)
339 else
340         AC_DEFINE(CC_HAS_PROTOS)
341 fi
342 fi
343 ])dnl
344 dnl ---------------------------------------------------------------------------
345 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
346 dnl ---------------
347 dnl For programs that must use an ANSI compiler, obtain compiler options that
348 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
349 dnl macros, since tools such as unproto can fake prototypes, but only part of
350 dnl the preprocessor.
351 AC_DEFUN([CF_ANSI_CC_REQD],
352 [AC_REQUIRE([CF_ANSI_CC_CHECK])
353 if test "$cf_cv_ansi_cc" = "no"; then
354         AC_MSG_ERROR(
355 [Your compiler does not appear to recognize prototypes.
356 You have the following choices:
357         a. adjust your compiler options
358         b. get an up-to-date compiler
359         c. use a wrapper such as unproto])
360 fi
361 ])dnl
362 dnl ---------------------------------------------------------------------------
363 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
364 dnl -----------
365 dnl Check for suitable "ar" (archiver) options for updating an archive.
366 AC_DEFUN([CF_AR_FLAGS],[
367 AC_REQUIRE([CF_PROG_AR])
368
369 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
370         cf_cv_ar_flags=unknown
371         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
372         do
373
374                 # check if $ARFLAGS already contains this choice
375                 if test "x$ARFLAGS" != "x" ; then
376                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
377                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
378                                 cf_cv_ar_flags=
379                                 break
380                         fi
381                 fi
382
383                 rm -f conftest.$ac_cv_objext
384                 rm -f conftest.a
385
386                 cat >conftest.$ac_ext <<EOF
387 #line __oline__ "configure"
388 int     testdata[[3]] = { 123, 456, 789 };
389 EOF
390                 if AC_TRY_EVAL(ac_compile) ; then
391                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
392                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
393                         if test -f conftest.a ; then
394                                 cf_cv_ar_flags=$cf_ar_flags
395                                 break
396                         fi
397                 else
398                         CF_VERBOSE(cannot compile test-program)
399                         break
400                 fi
401         done
402         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
403 ])
404
405 if test -n "$ARFLAGS" ; then
406         if test -n "$cf_cv_ar_flags" ; then
407                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
408         fi
409 else
410         ARFLAGS=$cf_cv_ar_flags
411 fi
412
413 AC_SUBST(ARFLAGS)
414 ])
415 dnl ---------------------------------------------------------------------------
416 dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
417 dnl -----------
418 dnl If we're cross-compiling, allow the user to override the tools and their
419 dnl options.  The configure script is oriented toward identifying the host
420 dnl compiler, etc., but we need a build compiler to generate parts of the
421 dnl source.
422 dnl
423 dnl $1 = default for $CPPFLAGS
424 dnl $2 = default for $LIBS
425 AC_DEFUN([CF_BUILD_CC],[
426 AC_REQUIRE([CF_PROG_EXT])
427 if test "$cross_compiling" = yes ; then
428
429         # defaults that we might want to override
430         : ${BUILD_CFLAGS:=''}
431         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
432         : ${BUILD_LDFLAGS:=''}
433         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
434         : ${BUILD_EXEEXT:='$x'}
435         : ${BUILD_OBJEXT:='o'}
436
437         AC_ARG_WITH(build-cc,
438                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
439                 [BUILD_CC="$withval"],
440                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
441         AC_MSG_CHECKING(for native build C compiler)
442         AC_MSG_RESULT($BUILD_CC)
443
444         AC_MSG_CHECKING(for native build C preprocessor)
445         AC_ARG_WITH(build-cpp,
446                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
447                 [BUILD_CPP="$withval"],
448                 [BUILD_CPP='${BUILD_CC} -E'])
449         AC_MSG_RESULT($BUILD_CPP)
450
451         AC_MSG_CHECKING(for native build C flags)
452         AC_ARG_WITH(build-cflags,
453                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
454                 [BUILD_CFLAGS="$withval"])
455         AC_MSG_RESULT($BUILD_CFLAGS)
456
457         AC_MSG_CHECKING(for native build C preprocessor-flags)
458         AC_ARG_WITH(build-cppflags,
459                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
460                 [BUILD_CPPFLAGS="$withval"])
461         AC_MSG_RESULT($BUILD_CPPFLAGS)
462
463         AC_MSG_CHECKING(for native build linker-flags)
464         AC_ARG_WITH(build-ldflags,
465                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
466                 [BUILD_LDFLAGS="$withval"])
467         AC_MSG_RESULT($BUILD_LDFLAGS)
468
469         AC_MSG_CHECKING(for native build linker-libraries)
470         AC_ARG_WITH(build-libs,
471                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
472                 [BUILD_LIBS="$withval"])
473         AC_MSG_RESULT($BUILD_LIBS)
474
475         # this assumes we're on Unix.
476         BUILD_EXEEXT=
477         BUILD_OBJEXT=o
478
479         : ${BUILD_CC:='${CC}'}
480
481         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
482                 AC_MSG_ERROR([Cross-build requires two compilers.
483 Use --with-build-cc to specify the native compiler.])
484         fi
485
486 else
487         : ${BUILD_CC:='${CC}'}
488         : ${BUILD_CPP:='${CPP}'}
489         : ${BUILD_CFLAGS:='${CFLAGS}'}
490         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
491         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
492         : ${BUILD_LIBS:='${LIBS}'}
493         : ${BUILD_EXEEXT:='$x'}
494         : ${BUILD_OBJEXT:='o'}
495 fi
496
497 AC_SUBST(BUILD_CC)
498 AC_SUBST(BUILD_CPP)
499 AC_SUBST(BUILD_CFLAGS)
500 AC_SUBST(BUILD_CPPFLAGS)
501 AC_SUBST(BUILD_LDFLAGS)
502 AC_SUBST(BUILD_LIBS)
503 AC_SUBST(BUILD_EXEEXT)
504 AC_SUBST(BUILD_OBJEXT)
505 ])dnl
506 dnl ---------------------------------------------------------------------------
507 dnl CF_CFG_DEFAULTS version: 7 updated: 2005/09/24 16:15:00
508 dnl ---------------
509 dnl Determine the default configuration into which we'll install ncurses.  This
510 dnl can be overridden by the user's command-line options.  There's two items to
511 dnl look for:
512 dnl     1. the prefix (e.g., /usr)
513 dnl     2. the header files (e.g., /usr/include/ncurses)
514 dnl We'll look for a previous installation of ncurses and use the same defaults.
515 dnl
516 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
517 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
518 dnl programs from a vendor's.
519 AC_DEFUN([CF_CFG_DEFAULTS],
520 [
521 AC_MSG_CHECKING(for prefix)
522 if test "x$prefix" = "xNONE" ; then
523         case "$cf_cv_system_name" in
524                 # non-vendor systems don't have a conflict
525         openbsd*|freebsd*|linux*|cygwin*|k*bsd*-gnu)
526                 prefix=/usr
527                 ;;
528         *)      prefix=$ac_default_prefix
529                 ;;
530         esac
531 fi
532 AC_MSG_RESULT($prefix)
533
534 if test "x$prefix" = "xNONE" ; then
535 AC_MSG_CHECKING(for default include-directory)
536 test -n "$verbose" && echo 1>&AC_FD_MSG
537 for cf_symbol in \
538         $includedir \
539         $includedir/ncurses \
540         $prefix/include \
541         $prefix/include/ncurses \
542         /usr/local/include \
543         /usr/local/include/ncurses \
544         /usr/include \
545         /usr/include/ncurses
546 do
547         cf_dir=`eval echo $cf_symbol`
548         if test -f $cf_dir/curses.h ; then
549         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
550                 includedir="$cf_symbol"
551                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
552                 break
553         fi
554         fi
555         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
556 done
557 AC_MSG_RESULT($includedir)
558 fi
559 ])dnl
560 dnl ---------------------------------------------------------------------------
561 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
562 dnl --------------
563 dnl Check if we're accidentally using a cache from a different machine.
564 dnl Derive the system name, as a check for reusing the autoconf cache.
565 dnl
566 dnl If we've packaged config.guess and config.sub, run that (since it does a
567 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
568 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
569 dnl which is useful in cross-compiles.
570 dnl
571 dnl Note: we would use $ac_config_sub, but that is one of the places where
572 dnl autoconf 2.5x broke compatibility with autoconf 2.13
573 AC_DEFUN([CF_CHECK_CACHE],
574 [
575 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
576         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
577         system_name="$host_os"
578 else
579         system_name="`(uname -s -r) 2>/dev/null`"
580         if test -z "$system_name" ; then
581                 system_name="`(hostname) 2>/dev/null`"
582         fi
583 fi
584 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
585 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
586
587 test -z "$system_name" && system_name="$cf_cv_system_name"
588 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
589
590 if test ".$system_name" != ".$cf_cv_system_name" ; then
591         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
592         AC_MSG_ERROR("Please remove config.cache and try again.")
593 fi
594 ])dnl
595 dnl ---------------------------------------------------------------------------
596 dnl CF_CURSES_HEADER version: 2 updated: 2010/04/28 06:02:16
597 dnl ----------------
598 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
599 dnl variations of ncurses' installs.
600 dnl
601 dnl $1 = ncurses when looking for ncurses, or is empty
602 AC_DEFUN([CF_CURSES_HEADER],[
603 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
604 cf_cv_ncurses_header=none
605 for cf_header in ifelse($1,,,[ \
606     $1/curses.h \
607         $1/ncurses.h]) \
608         curses.h \
609         ncurses.h ifelse($1,,[ncurses/curses.h ncurses/ncurses.h])
610 do
611 AC_TRY_COMPILE([#include <${cf_header}>],
612         [initscr(); tgoto("?", 0,0)],
613         [cf_cv_ncurses_header=$cf_header; break],[])
614 done
615 ])
616
617 if test "$cf_cv_ncurses_header" = none ; then
618         AC_MSG_ERROR(No curses header-files found)
619 fi
620
621 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
622 AC_CHECK_HEADERS($cf_cv_ncurses_header)
623 ])dnl
624 dnl ---------------------------------------------------------------------------
625 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
626 dnl ----------
627 dnl "dirname" is not portable, so we fake it with a shell script.
628 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
629 dnl ---------------------------------------------------------------------------
630 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
631 dnl ---------------
632 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
633 dnl prefer a standard location, and use -L options only if we do not find the
634 dnl library in the standard library location(s).
635 dnl     $1 = library name
636 dnl     $2 = library class, usually the same as library name
637 dnl     $3 = includes
638 dnl     $4 = code fragment to compile/link
639 dnl     $5 = corresponding function-name
640 dnl     $6 = flag, nonnull if failure should not cause an error-exit
641 dnl
642 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
643 dnl to use a -L option.
644 AC_DEFUN([CF_FIND_LIBRARY],
645 [
646         eval 'cf_cv_have_lib_'$1'=no'
647         cf_libdir=""
648         AC_CHECK_FUNC($5,
649                 eval 'cf_cv_have_lib_'$1'=yes',[
650                 cf_save_LIBS="$LIBS"
651                 AC_MSG_CHECKING(for $5 in -l$1)
652                 LIBS="-l$1 $LIBS"
653                 AC_TRY_LINK([$3],[$4],
654                         [AC_MSG_RESULT(yes)
655                          eval 'cf_cv_have_lib_'$1'=yes'
656                         ],
657                         [AC_MSG_RESULT(no)
658                         CF_LIBRARY_PATH(cf_search,$2)
659                         for cf_libdir in $cf_search
660                         do
661                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
662                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
663                                 AC_TRY_LINK([$3],[$4],
664                                         [AC_MSG_RESULT(yes)
665                                          eval 'cf_cv_have_lib_'$1'=yes'
666                                          break],
667                                         [AC_MSG_RESULT(no)
668                                          LIBS="$cf_save_LIBS"])
669                         done
670                         ])
671                 ])
672 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
673 ifelse($6,,[
674 if test $cf_found_library = no ; then
675         AC_MSG_ERROR(Cannot link $1 library)
676 fi
677 ])
678 ])dnl
679 dnl ---------------------------------------------------------------------------
680 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
681 dnl ---------------
682 dnl Find a library (specifically the linkage used in the code fragment),
683 dnl searching for it if it is not already in the library path.
684 dnl See also CF_ADD_SEARCHPATH.
685 dnl
686 dnl Parameters (4-on are optional):
687 dnl     $1 = headers for library entrypoint
688 dnl     $2 = code fragment for library entrypoint
689 dnl     $3 = the library name without the "-l" option or ".so" suffix.
690 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
691 dnl     $5 = action to perform if not successful
692 dnl     $6 = module name, if not the same as the library name
693 dnl     $7 = extra libraries
694 dnl
695 dnl Sets these variables:
696 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
697 dnl     $cf_cv_header_path_$3 - include-directory if needed
698 dnl     $cf_cv_library_path_$3 - library-directory if needed
699 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
700 AC_DEFUN([CF_FIND_LINKAGE],[
701
702 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
703 # will be set on completion of the AC_TRY_LINK below.
704 cf_cv_header_path_$3=
705 cf_cv_library_path_$3=
706
707 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
708
709 cf_save_LIBS="$LIBS"
710
711 AC_TRY_LINK([$1],[$2],[
712         cf_cv_find_linkage_$3=yes
713         cf_cv_header_path_$3=/usr/include
714         cf_cv_library_path_$3=/usr/lib
715 ],[
716
717 LIBS="-l$3 $7 $cf_save_LIBS"
718
719 AC_TRY_LINK([$1],[$2],[
720         cf_cv_find_linkage_$3=yes
721         cf_cv_header_path_$3=/usr/include
722         cf_cv_library_path_$3=/usr/lib
723         cf_cv_library_file_$3="-l$3"
724 ],[
725         cf_cv_find_linkage_$3=no
726         LIBS="$cf_save_LIBS"
727
728     CF_VERBOSE(find linkage for $3 library)
729     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
730
731     cf_save_CPPFLAGS="$CPPFLAGS"
732     cf_test_CPPFLAGS="$CPPFLAGS"
733
734     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
735     for cf_cv_header_path_$3 in $cf_search
736     do
737       if test -d $cf_cv_header_path_$3 ; then
738         CF_VERBOSE(... testing $cf_cv_header_path_$3)
739         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
740         AC_TRY_COMPILE([$1],[$2],[
741             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
742             cf_cv_find_linkage_$3=maybe
743             cf_test_CPPFLAGS="$CPPFLAGS"
744             break],[
745             CPPFLAGS="$cf_save_CPPFLAGS"
746             ])
747       fi
748     done
749
750     if test "$cf_cv_find_linkage_$3" = maybe ; then
751
752       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
753
754       cf_save_LIBS="$LIBS"
755       cf_save_LDFLAGS="$LDFLAGS"
756
757       ifelse([$6],,,[
758         CPPFLAGS="$cf_test_CPPFLAGS"
759         LIBS="-l$3 $7 $cf_save_LIBS"
760         AC_TRY_LINK([$1],[$2],[
761             CF_VERBOSE(... found $3 library in system)
762             cf_cv_find_linkage_$3=yes])
763             CPPFLAGS="$cf_save_CPPFLAGS"
764             LIBS="$cf_save_LIBS"
765             ])
766
767       if test "$cf_cv_find_linkage_$3" != yes ; then
768         CF_LIBRARY_PATH(cf_search,$3)
769         for cf_cv_library_path_$3 in $cf_search
770         do
771           if test -d $cf_cv_library_path_$3 ; then
772             CF_VERBOSE(... testing $cf_cv_library_path_$3)
773             CPPFLAGS="$cf_test_CPPFLAGS"
774             LIBS="-l$3 $7 $cf_save_LIBS"
775             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
776             AC_TRY_LINK([$1],[$2],[
777                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
778                 cf_cv_find_linkage_$3=yes
779                 cf_cv_library_file_$3="-l$3"
780                 break],[
781                 CPPFLAGS="$cf_save_CPPFLAGS"
782                 LIBS="$cf_save_LIBS"
783                 LDFLAGS="$cf_save_LDFLAGS"
784                 ])
785           fi
786         done
787         CPPFLAGS="$cf_save_CPPFLAGS"
788         LDFLAGS="$cf_save_LDFLAGS"
789       fi
790
791     else
792       cf_cv_find_linkage_$3=no
793     fi
794     ],$7)
795 ])
796
797 LIBS="$cf_save_LIBS"
798
799 if test "$cf_cv_find_linkage_$3" = yes ; then
800 ifelse([$4],,[
801         CF_ADD_INCDIR($cf_cv_header_path_$3)
802         CF_ADD_LIBDIR($cf_cv_library_path_$3)
803         CF_ADD_LIB($3)
804 ],[$4])
805 else
806 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
807 fi
808 ])dnl
809 dnl ---------------------------------------------------------------------------
810 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
811 dnl -----------------
812 dnl Test for availability of useful gcc __attribute__ directives to quiet
813 dnl compiler warnings.  Though useful, not all are supported -- and contrary
814 dnl to documentation, unrecognized directives cause older compilers to barf.
815 AC_DEFUN([CF_GCC_ATTRIBUTES],
816 [
817 if test "$GCC" = yes
818 then
819 cat > conftest.i <<EOF
820 #ifndef GCC_PRINTF
821 #define GCC_PRINTF 0
822 #endif
823 #ifndef GCC_SCANF
824 #define GCC_SCANF 0
825 #endif
826 #ifndef GCC_NORETURN
827 #define GCC_NORETURN /* nothing */
828 #endif
829 #ifndef GCC_UNUSED
830 #define GCC_UNUSED /* nothing */
831 #endif
832 EOF
833 if test "$GCC" = yes
834 then
835         AC_CHECKING([for $CC __attribute__ directives])
836 cat > conftest.$ac_ext <<EOF
837 #line __oline__ "${as_me:-configure}"
838 #include "confdefs.h"
839 #include "conftest.h"
840 #include "conftest.i"
841 #if     GCC_PRINTF
842 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
843 #else
844 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
845 #endif
846 #if     GCC_SCANF
847 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
848 #else
849 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
850 #endif
851 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
852 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
853 extern void foo(void) GCC_NORETURN;
854 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
855 EOF
856         cf_printf_attribute=no
857         cf_scanf_attribute=no
858         for cf_attribute in scanf printf unused noreturn
859         do
860                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
861                 cf_directive="__attribute__(($cf_attribute))"
862                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
863
864                 case $cf_attribute in #(vi
865                 printf) #(vi
866                         cf_printf_attribute=yes
867                         cat >conftest.h <<EOF
868 #define GCC_$cf_ATTRIBUTE 1
869 EOF
870                         ;;
871                 scanf) #(vi
872                         cf_scanf_attribute=yes
873                         cat >conftest.h <<EOF
874 #define GCC_$cf_ATTRIBUTE 1
875 EOF
876                         ;;
877                 *) #(vi
878                         cat >conftest.h <<EOF
879 #define GCC_$cf_ATTRIBUTE $cf_directive
880 EOF
881                         ;;
882                 esac
883
884                 if AC_TRY_EVAL(ac_compile); then
885                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
886                         cat conftest.h >>confdefs.h
887                         case $cf_attribute in #(vi
888                         printf) #(vi
889                                 if test "$cf_printf_attribute" = no ; then
890                                         cat >>confdefs.h <<EOF
891 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
892 EOF
893                                 else
894                                         cat >>confdefs.h <<EOF
895 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
896 EOF
897                                 fi
898                                 ;;
899                         scanf) #(vi
900                                 if test "$cf_scanf_attribute" = no ; then
901                                         cat >>confdefs.h <<EOF
902 #define GCC_SCANFLIKE(fmt,var) /* nothing */
903 EOF
904                                 else
905                                         cat >>confdefs.h <<EOF
906 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
907 EOF
908                                 fi
909                                 ;;
910                         esac
911                 fi
912         done
913 else
914         fgrep define conftest.i >>confdefs.h
915 fi
916 rm -rf conftest*
917 fi
918 ])dnl
919 dnl ---------------------------------------------------------------------------
920 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
921 dnl --------------
922 dnl Find version of gcc
923 AC_DEFUN([CF_GCC_VERSION],[
924 AC_REQUIRE([AC_PROG_CC])
925 GCC_VERSION=none
926 if test "$GCC" = yes ; then
927         AC_MSG_CHECKING(version of $CC)
928         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
929         test -z "$GCC_VERSION" && GCC_VERSION=unknown
930         AC_MSG_RESULT($GCC_VERSION)
931 fi
932 ])dnl
933 dnl ---------------------------------------------------------------------------
934 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
935 dnl ---------------
936 dnl Check if the compiler supports useful warning options.  There's a few that
937 dnl we don't use, simply because they're too noisy:
938 dnl
939 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
940 dnl     -Wredundant-decls (system headers make this too noisy)
941 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
942 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
943 dnl             is enabled for ncurses using "--enable-const".
944 dnl     -pedantic
945 dnl
946 dnl Parameter:
947 dnl     $1 is an optional list of gcc warning flags that a particular
948 dnl             application might want to use, e.g., "no-unused" for
949 dnl             -Wno-unused
950 dnl Special:
951 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
952 dnl
953 AC_DEFUN([CF_GCC_WARNINGS],
954 [
955 AC_REQUIRE([CF_GCC_VERSION])
956 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
957
958 cat > conftest.$ac_ext <<EOF
959 #line __oline__ "${as_me:-configure}"
960 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
961 EOF
962
963 if test "$INTEL_COMPILER" = yes
964 then
965 # The "-wdXXX" options suppress warnings:
966 # remark #1419: external declaration in primary source file
967 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
968 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
969 # remark #193: zero used for undefined preprocessing identifier
970 # remark #593: variable "curs_sb_left_arrow" was set but never used
971 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
972 # remark #869: parameter "tw" was never referenced
973 # remark #981: operands are evaluated in unspecified order
974 # warning #279: controlling expression is constant
975
976         AC_CHECKING([for $CC warning options])
977         cf_save_CFLAGS="$CFLAGS"
978         EXTRA_CFLAGS="-Wall"
979         for cf_opt in \
980                 wd1419 \
981                 wd1683 \
982                 wd1684 \
983                 wd193 \
984                 wd593 \
985                 wd279 \
986                 wd810 \
987                 wd869 \
988                 wd981
989         do
990                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
991                 if AC_TRY_EVAL(ac_compile); then
992                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
993                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
994                 fi
995         done
996         CFLAGS="$cf_save_CFLAGS"
997
998 elif test "$GCC" = yes
999 then
1000         AC_CHECKING([for $CC warning options])
1001         cf_save_CFLAGS="$CFLAGS"
1002         EXTRA_CFLAGS=
1003         cf_warn_CONST=""
1004         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1005         for cf_opt in W Wall \
1006                 Wbad-function-cast \
1007                 Wcast-align \
1008                 Wcast-qual \
1009                 Winline \
1010                 Wmissing-declarations \
1011                 Wmissing-prototypes \
1012                 Wnested-externs \
1013                 Wpointer-arith \
1014                 Wshadow \
1015                 Wstrict-prototypes \
1016                 Wundef $cf_warn_CONST $1
1017         do
1018                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1019                 if AC_TRY_EVAL(ac_compile); then
1020                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1021                         case $cf_opt in #(vi
1022                         Wcast-qual) #(vi
1023                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1024                                 ;;
1025                         Winline) #(vi
1026                                 case $GCC_VERSION in
1027                                 [[34]].*)
1028                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1029                                         continue;;
1030                                 esac
1031                                 ;;
1032                         esac
1033                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1034                 fi
1035         done
1036         CFLAGS="$cf_save_CFLAGS"
1037 fi
1038 rm -rf conftest*
1039
1040 AC_SUBST(EXTRA_CFLAGS)
1041 ])dnl
1042 dnl ---------------------------------------------------------------------------
1043 dnl CF_GNAT_GENERICS version: 1 updated: 2010/11/13 14:15:18
1044 dnl ----------------
1045 AC_DEFUN([CF_GNAT_GENERICS],
1046 [
1047 AC_MSG_CHECKING(if GNAT supports generics)
1048 case $cf_gnat_version in #(vi
1049 3.[[1-9]]*|[[4-9]].*) #(vi
1050         cf_gnat_generics=yes
1051         ;;
1052 *)
1053         cf_gnat_generics=no
1054         ;;
1055 esac
1056 AC_MSG_RESULT($cf_gnat_generics)
1057
1058 if test "$cf_gnat_generics" = yes
1059 then
1060         cf_compile_generics=generics
1061         cf_generic_objects="\${GENOBJS}"
1062 else
1063         cf_compile_generics=
1064         cf_generic_objects=
1065 fi
1066
1067 AC_SUBST(cf_compile_generics)
1068 AC_SUBST(cf_generic_objects)
1069 ])dnl
1070 dnl ---------------------------------------------------------------------------
1071 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1072 dnl --------------------
1073 dnl Check if the gnat pragma "Unreferenced" works.
1074 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1075 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1076 CF_GNAT_TRY_LINK([procedure conftest;],
1077 [with Text_IO;
1078 with GNAT.OS_Lib;
1079 procedure conftest is
1080    test : Integer;
1081    pragma Unreferenced (test);
1082 begin
1083    test := 1;
1084    Text_IO.Put ("Hello World");
1085    Text_IO.New_Line;
1086    GNAT.OS_Lib.OS_Exit (0);
1087 end conftest;],
1088         [cf_cv_pragma_unreferenced=yes],
1089         [cf_cv_pragma_unreferenced=no])])
1090
1091 # if the pragma is supported, use it (needed in the Trace code).
1092 if test $cf_cv_pragma_unreferenced = yes ; then
1093         PRAGMA_UNREF=TRUE
1094 else
1095         PRAGMA_UNREF=FALSE
1096 fi
1097 AC_SUBST(PRAGMA_UNREF)
1098 ])dnl
1099 dnl ---------------------------------------------------------------------------
1100 dnl CF_GNAT_PROJECTS version: 1 updated: 2010/11/13 14:15:18
1101 dnl ----------------
1102 AC_DEFUN([CF_GNAT_PROJECTS],
1103 [
1104 AC_MSG_CHECKING(if GNAT supports project files)
1105 case $cf_gnat_version in #(vi
1106 3.[[0-9]]*) #(vi
1107         cf_gnat_projects=no
1108         ;;
1109 *)
1110         case $cf_cv_system_name in #(vi
1111         cygwin*) #(vi
1112                 cf_gnat_projects=no
1113                 ;;
1114         *)
1115                 cf_gnat_projects=yes
1116                 ;;
1117         esac
1118         ;;
1119 esac
1120 AC_MSG_RESULT($cf_gnat_projects)
1121
1122 if test "$cf_gnat_projects" = yes
1123 then
1124         USE_OLD_MAKERULES="#"
1125         USE_GNAT_PROJECTS=""
1126 else
1127         USE_OLD_MAKERULES=""
1128         USE_GNAT_PROJECTS="#"
1129 fi
1130
1131 AC_SUBST(USE_OLD_MAKERULES)
1132 AC_SUBST(USE_GNAT_PROJECTS)
1133 ])dnl
1134 dnl ---------------------------------------------------------------------------
1135 dnl CF_GNAT_TRY_LINK version: 2 updated: 2010/08/14 18:25:37
1136 dnl ----------------
1137 dnl Verify that a test program compiles/links with GNAT.
1138 dnl $cf_ada_make is set to the program that compiles/links
1139 dnl $ADAFLAGS may be set to the GNAT flags.
1140 dnl
1141 dnl $1 is the text of the spec
1142 dnl $2 is the text of the body
1143 dnl $3 is the shell command to execute if successful
1144 dnl $4 is the shell command to execute if not successful
1145 AC_DEFUN([CF_GNAT_TRY_LINK],
1146 [
1147 rm -rf conftest*
1148 cat >>conftest.ads <<CF_EOF
1149 $1
1150 CF_EOF
1151 cat >>conftest.adb <<CF_EOF
1152 $2
1153 CF_EOF
1154 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1155 ifelse($3,,      :,[      $3])
1156 ifelse($4,,,[else
1157    $4])
1158 fi
1159 rm -rf conftest*
1160 ])dnl
1161 dnl ---------------------------------------------------------------------------
1162 dnl CF_GNAT_TRY_RUN version: 4 updated: 2010/08/14 18:25:37
1163 dnl ---------------
1164 dnl Verify that a test program compiles and runs with GNAT
1165 dnl $cf_ada_make is set to the program that compiles/links
1166 dnl $ADAFLAGS may be set to the GNAT flags.
1167 dnl
1168 dnl $1 is the text of the spec
1169 dnl $2 is the text of the body
1170 dnl $3 is the shell command to execute if successful
1171 dnl $4 is the shell command to execute if not successful
1172 AC_DEFUN([CF_GNAT_TRY_RUN],
1173 [
1174 rm -rf conftest*
1175 cat >>conftest.ads <<CF_EOF
1176 $1
1177 CF_EOF
1178 cat >>conftest.adb <<CF_EOF
1179 $2
1180 CF_EOF
1181 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1182    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1183 ifelse($3,,      :,[      $3])
1184 ifelse($4,,,[   else
1185       $4])
1186    fi
1187 ifelse($4,,,[else
1188    $4])
1189 fi
1190 rm -rf conftest*
1191 ])dnl
1192 dnl ---------------------------------------------------------------------------
1193 dnl CF_GNAT_VERSION version: 16 updated: 2010/11/13 14:15:18
1194 dnl ---------------
1195 dnl Verify version of GNAT.
1196 AC_DEFUN([CF_GNAT_VERSION],
1197 [
1198 AC_MSG_CHECKING(for gnat version)
1199 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1200         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1201     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1202 AC_MSG_RESULT($cf_gnat_version)
1203
1204 case $cf_gnat_version in #(vi
1205 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
1206         cf_cv_prog_gnat_correct=yes
1207         ;;
1208 *)
1209         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1210         cf_cv_prog_gnat_correct=no
1211         ;;
1212 esac
1213
1214 CF_GNAT_GENERICS
1215 CF_GNAT_PROJECTS
1216 ])
1217 dnl ---------------------------------------------------------------------------
1218 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1219 dnl -------------
1220 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1221 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1222 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1223 dnl since it is interwoven with GNU extensions.
1224 dnl
1225 dnl Well, yes we could work around it...
1226 AC_DEFUN([CF_GNU_SOURCE],
1227 [
1228 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1229 AC_TRY_COMPILE([#include <sys/types.h>],[
1230 #ifndef _XOPEN_SOURCE
1231 make an error
1232 #endif],
1233         [cf_cv_gnu_source=no],
1234         [cf_save="$CPPFLAGS"
1235          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1236          AC_TRY_COMPILE([#include <sys/types.h>],[
1237 #ifdef _XOPEN_SOURCE
1238 make an error
1239 #endif],
1240         [cf_cv_gnu_source=no],
1241         [cf_cv_gnu_source=yes])
1242         CPPFLAGS="$cf_save"
1243         ])
1244 ])
1245 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1246 ])dnl
1247 dnl ---------------------------------------------------------------------------
1248 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1249 dnl --------------
1250 dnl Construct a search-list of directories for a nonstandard header-file
1251 dnl
1252 dnl Parameters
1253 dnl     $1 = the variable to return as result
1254 dnl     $2 = the package name
1255 AC_DEFUN([CF_HEADER_PATH],
1256 [
1257 $1=
1258
1259 # collect the current set of include-directories from compiler flags
1260 cf_header_path_list=""
1261 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1262         for cf_header_path in $CPPFLAGS $CFLAGS
1263         do
1264                 case $cf_header_path in #(vi
1265                 -I*)
1266                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1267                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1268                         cf_header_path_list="$cf_header_path_list [$]$1"
1269                         ;;
1270                 esac
1271         done
1272 fi
1273
1274 # add the variations for the package we are looking for
1275 CF_SUBDIR_PATH($1,$2,include)
1276
1277 test "$includedir" != NONE && \
1278 test "$includedir" != "/usr/include" && \
1279 test -d "$includedir" && {
1280         test -d $includedir &&    $1="[$]$1 $includedir"
1281         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1282 }
1283
1284 test "$oldincludedir" != NONE && \
1285 test "$oldincludedir" != "/usr/include" && \
1286 test -d "$oldincludedir" && {
1287         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1288         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1289 }
1290
1291 $1="[$]$1 $cf_header_path_list"
1292 ])dnl
1293 dnl ---------------------------------------------------------------------------
1294 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1295 dnl ---------------
1296 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1297 AC_DEFUN([CF_HELP_MESSAGE],
1298 [AC_DIVERT_HELP([$1])dnl
1299 ])dnl
1300 dnl ---------------------------------------------------------------------------
1301 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
1302 dnl ---------------
1303 dnl Construct the list of include-options according to whether we're building
1304 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
1305 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1306 dnl since that usually breaks gcc's shadow-includes.
1307 AC_DEFUN([CF_INCLUDE_DIRS],
1308 [
1309 CPPFLAGS="$CPPFLAGS -I. -I../include"
1310 if test "$srcdir" != "."; then
1311         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
1312 fi
1313 if test "$GCC" != yes; then
1314         CPPFLAGS="$CPPFLAGS -I\${includedir}"
1315 elif test "$includedir" != "/usr/include"; then
1316         if test "$includedir" = '${prefix}/include' ; then
1317                 if test $prefix != /usr ; then
1318                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
1319                 fi
1320         else
1321                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
1322         fi
1323 fi
1324 AC_SUBST(CPPFLAGS)
1325 ])dnl
1326 dnl ---------------------------------------------------------------------------
1327 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
1328 dnl -----------------
1329 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1330 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1331 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1332 dnl
1333 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1334 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1335 dnl the wrappers for gcc and g++ warnings.
1336 dnl
1337 dnl $1 = GCC (default) or GXX
1338 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1339 dnl $3 = CFLAGS (default) or CXXFLAGS
1340 AC_DEFUN([CF_INTEL_COMPILER],[
1341 ifelse([$2],,INTEL_COMPILER,[$2])=no
1342
1343 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1344         case $host_os in
1345         linux*|gnu*)
1346                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1347                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1348                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1349                 AC_TRY_COMPILE([],[
1350 #ifdef __INTEL_COMPILER
1351 #else
1352 make an error
1353 #endif
1354 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1355 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1356 ],[])
1357                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1358                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1359                 ;;
1360         esac
1361 fi
1362 ])dnl
1363 dnl ---------------------------------------------------------------------------
1364 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
1365 dnl ------------
1366 dnl Add checks for large file support.
1367 AC_DEFUN([CF_LARGEFILE],[
1368 ifdef([AC_FUNC_FSEEKO],[
1369     AC_SYS_LARGEFILE
1370     if test "$enable_largefile" != no ; then
1371         AC_FUNC_FSEEKO
1372
1373         # Normally we would collect these definitions in the config.h,
1374         # but (like _XOPEN_SOURCE), some environments rely on having these
1375         # defined before any of the system headers are included.  Another
1376         # case comes up with C++, e.g., on AIX the compiler compiles the
1377         # header files by themselves before looking at the body files it is
1378         # told to compile.  For ncurses, those header files do not include
1379         # the config.h
1380         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1381         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1382         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1383
1384         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1385                 AC_TRY_COMPILE([
1386 #include <sys/types.h>
1387 #include <dirent.h>
1388                 ],[
1389                 /* if transitional largefile support is setup, this is true */
1390                 extern struct dirent64 * readdir(DIR *);
1391                 struct dirent64 *x = readdir((DIR *)0);
1392                 struct dirent *y = readdir((DIR *)0);
1393                 int z = x - y;
1394                 ],
1395                 [cf_cv_struct_dirent64=yes],
1396                 [cf_cv_struct_dirent64=no])
1397         ])
1398         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
1399     fi
1400 ])
1401 ])
1402 dnl ---------------------------------------------------------------------------
1403 dnl CF_LD_RPATH_OPT version: 3 updated: 2010/06/02 05:03:05
1404 dnl ---------------
1405 dnl For the given system and compiler, find the compiler flags to pass to the
1406 dnl loader to use the "rpath" feature.
1407 AC_DEFUN([CF_LD_RPATH_OPT],
1408 [
1409 AC_REQUIRE([CF_CHECK_CACHE])
1410
1411 LD_RPATH_OPT=
1412 AC_MSG_CHECKING(for an rpath option)
1413 case $cf_cv_system_name in #(vi
1414 irix*) #(vi
1415         if test "$GCC" = yes; then
1416                 LD_RPATH_OPT="-Wl,-rpath,"
1417         else
1418                 LD_RPATH_OPT="-rpath "
1419         fi
1420         ;;
1421 linux*|gnu*|k*bsd*-gnu) #(vi
1422         LD_RPATH_OPT="-Wl,-rpath,"
1423         ;;
1424 openbsd[[2-9]].*) #(vi
1425         LD_RPATH_OPT="-Wl,-rpath,"
1426         ;;
1427 freebsd*) #(vi
1428         LD_RPATH_OPT="-rpath "
1429         ;;
1430 netbsd*) #(vi
1431         LD_RPATH_OPT="-Wl,-rpath,"
1432         ;;
1433 osf*|mls+*) #(vi
1434         LD_RPATH_OPT="-rpath "
1435         ;;
1436 solaris2*) #(vi
1437         LD_RPATH_OPT="-R"
1438         ;;
1439 *)
1440         ;;
1441 esac
1442 AC_MSG_RESULT($LD_RPATH_OPT)
1443
1444 case "x$LD_RPATH_OPT" in #(vi
1445 x-R*)
1446         AC_MSG_CHECKING(if we need a space after rpath option)
1447         cf_save_LIBS="$LIBS"
1448         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1449         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1450         LIBS="$cf_save_LIBS"
1451         AC_MSG_RESULT($cf_rpath_space)
1452         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1453         ;;
1454 esac
1455 ])dnl
1456 dnl ---------------------------------------------------------------------------
1457 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1458 dnl ---------------
1459 dnl Construct a search-list of directories for a nonstandard library-file
1460 dnl
1461 dnl Parameters
1462 dnl     $1 = the variable to return as result
1463 dnl     $2 = the package name
1464 AC_DEFUN([CF_LIBRARY_PATH],
1465 [
1466 $1=
1467 cf_library_path_list=""
1468 if test -n "${LDFLAGS}${LIBS}" ; then
1469         for cf_library_path in $LDFLAGS $LIBS
1470         do
1471                 case $cf_library_path in #(vi
1472                 -L*)
1473                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1474                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1475                         cf_library_path_list="$cf_library_path_list [$]$1"
1476                         ;;
1477                 esac
1478         done
1479 fi
1480
1481 CF_SUBDIR_PATH($1,$2,lib)
1482
1483 $1="$cf_library_path_list [$]$1"
1484 ])dnl
1485 dnl ---------------------------------------------------------------------------
1486 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
1487 dnl -------------
1488 dnl Compute the library-prefix for the given host system
1489 dnl $1 = variable to set
1490 AC_DEFUN([CF_LIB_PREFIX],
1491 [
1492         case $cf_cv_system_name in #(vi
1493         OS/2*|os2*) #(vi
1494         LIB_PREFIX=''
1495         ;;
1496         *)      LIB_PREFIX='lib'
1497         ;;
1498         esac
1499 ifelse($1,,,[$1=$LIB_PREFIX])
1500         AC_SUBST(LIB_PREFIX)
1501 ])dnl
1502 dnl ---------------------------------------------------------------------------
1503 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
1504 dnl -------------
1505 dnl Find the and soname for the given shared library.  Set the cache variable
1506 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
1507 dnl variable to "unknown".
1508 dnl
1509 dnl $1 = headers
1510 dnl $2 = code
1511 dnl $3 = library name
1512 AC_DEFUN([CF_LIB_SONAME],
1513 [
1514 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
1515
1516 cf_cv_$3_soname=unknown
1517 if test "$cross_compiling" != yes ; then
1518 cat >conftest.$ac_ext <<CF_EOF
1519 $1
1520 int main()
1521 {
1522 $2
1523         ${cf_cv_main_return:-return}(0);
1524 }
1525 CF_EOF
1526 cf_save_LIBS="$LIBS"
1527         CF_ADD_LIB($3)
1528         if AC_TRY_EVAL(ac_compile) ; then
1529                 if AC_TRY_EVAL(ac_link) ; then
1530                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
1531                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
1532                 fi
1533         fi
1534 rm -rf conftest*
1535 LIBS="$cf_save_LIBS"
1536 fi
1537 ])
1538 ])
1539 dnl ---------------------------------------------------------------------------
1540 dnl CF_LIB_SUFFIX version: 16 updated: 2008/12/27 12:30:03
1541 dnl -------------
1542 dnl Compute the library file-suffix from the given model name
1543 dnl $1 = model name
1544 dnl $2 = variable to set (the nominal library suffix)
1545 dnl $3 = dependency variable to set (actual filename)
1546 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1547 AC_DEFUN([CF_LIB_SUFFIX],
1548 [
1549         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
1550         case $1 in #(vi
1551         libtool) #(vi
1552                 $2='.la'
1553                 $3=[$]$2
1554                 ;;
1555         normal) #(vi
1556                 $2='.a'
1557                 $3=[$]$2
1558                 ;;
1559         debug) #(vi
1560                 $2='_g.a'
1561                 $3=[$]$2
1562                 ;;
1563         profile) #(vi
1564                 $2='_p.a'
1565                 $3=[$]$2
1566                 ;;
1567         shared) #(vi
1568                 case $cf_cv_system_name in
1569                 aix[[56]]*) #(vi
1570                         $2='.a'
1571                         $3=[$]$2
1572                         ;;
1573                 cygwin*) #(vi
1574                         $2='.dll'
1575                         $3='.dll.a'
1576                         ;;
1577                 darwin*) #(vi
1578                         $2='.dylib'
1579                         $3=[$]$2
1580                         ;;
1581                 hpux*) #(vi
1582                         case $target in
1583                         ia64*) #(vi
1584                                 $2='.so'
1585                                 $3=[$]$2
1586                                 ;;
1587                         *) #(vi
1588                                 $2='.sl'
1589                                 $3=[$]$2
1590                                 ;;
1591                         esac
1592                         ;;
1593                 *)      $2='.so'
1594                         $3=[$]$2
1595                         ;;
1596                 esac
1597         esac
1598         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1599         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1600 ])dnl
1601 dnl ---------------------------------------------------------------------------
1602 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1603 dnl -----------
1604 dnl Compute the string to append to -library from the given model name
1605 dnl $1 = model name
1606 dnl $2 = variable to set
1607 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1608 AC_DEFUN([CF_LIB_TYPE],
1609 [
1610         case $1 in
1611         libtool) $2=''   ;;
1612         normal)  $2=''   ;;
1613         debug)   $2='_g' ;;
1614         profile) $2='_p' ;;
1615         shared)  $2=''   ;;
1616         esac
1617         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1618 ])dnl
1619 dnl ---------------------------------------------------------------------------
1620 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
1621 dnl ----------------
1622 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1623 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1624 dnl have to provide wrappers for global tables to ensure they're linked
1625 dnl properly.
1626 AC_DEFUN([CF_LINK_DATAONLY],
1627 [
1628 AC_MSG_CHECKING([if data-only library module links])
1629 AC_CACHE_VAL(cf_cv_link_dataonly,[
1630         rm -f conftest.a
1631         cat >conftest.$ac_ext <<EOF
1632 #line __oline__ "configure"
1633 int     testdata[[3]] = { 123, 456, 789 };
1634 EOF
1635         if AC_TRY_EVAL(ac_compile) ; then
1636                 mv conftest.o data.o && \
1637                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1638         fi
1639         rm -f conftest.$ac_ext data.o
1640         cat >conftest.$ac_ext <<EOF
1641 #line __oline__ "configure"
1642 int     testfunc()
1643 {
1644 #if defined(NeXT)
1645         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1646 #else
1647         extern int testdata[[3]];
1648         return testdata[[0]] == 123
1649            &&  testdata[[1]] == 456
1650            &&  testdata[[2]] == 789;
1651 #endif
1652 }
1653 EOF
1654         if AC_TRY_EVAL(ac_compile); then
1655                 mv conftest.o func.o && \
1656                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1657         fi
1658         rm -f conftest.$ac_ext func.o
1659         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1660         cf_saveLIBS="$LIBS"
1661         LIBS="conftest.a $LIBS"
1662         AC_TRY_RUN([
1663         int main()
1664         {
1665                 extern int testfunc();
1666                 ${cf_cv_main_return:-return} (!testfunc());
1667         }
1668         ],
1669         [cf_cv_link_dataonly=yes],
1670         [cf_cv_link_dataonly=no],
1671         [cf_cv_link_dataonly=unknown])
1672         LIBS="$cf_saveLIBS"
1673         ])
1674 AC_MSG_RESULT($cf_cv_link_dataonly)
1675
1676 if test "$cf_cv_link_dataonly" = no ; then
1677         AC_DEFINE(BROKEN_LINKER)
1678         BROKEN_LINKER=1
1679 fi
1680
1681 ])dnl
1682 dnl ---------------------------------------------------------------------------
1683 dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
1684 dnl -------------
1685 dnl Most Unix systems have both link and symlink, a few don't have symlink.
1686 dnl A few non-Unix systems implement symlink, but not link.
1687 dnl A few non-systems implement neither (or have nonfunctional versions).
1688 AC_DEFUN([CF_LINK_FUNCS],
1689 [
1690 AC_CHECK_FUNCS( \
1691         remove \
1692         unlink )
1693
1694 if test "$cross_compiling" = yes ; then
1695         AC_CHECK_FUNCS( \
1696                 link \
1697                 symlink )
1698 else
1699         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
1700                 cf_cv_link_funcs=
1701                 for cf_func in link symlink ; do
1702                         AC_TRY_RUN([
1703 #include <sys/types.h>
1704 #include <sys/stat.h>
1705 #ifdef HAVE_UNISTD_H
1706 #include <unistd.h>
1707 #endif
1708 int main()
1709 {
1710         int fail = 0;
1711         char *src = "config.log";
1712         char *dst = "conftest.chk";
1713         struct stat src_sb;
1714         struct stat dst_sb;
1715
1716         stat(src, &src_sb);
1717         fail = ($cf_func("config.log", "conftest.chk") < 0)
1718             || (stat(dst, &dst_sb) < 0)
1719             || (dst_sb.st_mtime != src_sb.st_mtime);
1720 #ifdef HAVE_UNLINK
1721         unlink(dst);
1722 #else
1723         remove(dst);
1724 #endif
1725         ${cf_cv_main_return:-return} (fail);
1726 }
1727                         ],[
1728                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
1729                         eval 'ac_cv_func_'$cf_func'=yes'],[
1730                         eval 'ac_cv_func_'$cf_func'=no'],[
1731                         eval 'ac_cv_func_'$cf_func'=error'])
1732                 done
1733                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
1734         ])
1735         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK)
1736         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
1737 fi
1738 ])dnl
1739 dnl ---------------------------------------------------------------------------
1740 dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
1741 dnl --------------
1742 dnl Check if a return from main to the shell actually returns the same exit
1743 dnl code.  This is true for almost any POSIX environment.
1744 dnl
1745 dnl Some very old environments did not flush stdout, etc., on an exit.  That
1746 dnl would be a useful case to test for also.
1747 AC_DEFUN([CF_MAIN_RETURN],
1748 [
1749 cf_cv_main_return=return
1750 ])dnl
1751 dnl ---------------------------------------------------------------------------
1752 dnl CF_MAKEFLAGS version: 13 updated: 2010/10/23 15:52:32
1753 dnl ------------
1754 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1755 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1756 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1757 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1758 AC_DEFUN([CF_MAKEFLAGS],
1759 [
1760 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1761         cf_cv_makeflags=''
1762         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1763         do
1764                 cat >cf_makeflags.tmp <<CF_EOF
1765 SHELL = /bin/sh
1766 all :
1767         @ echo '.$cf_option'
1768 CF_EOF
1769                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | sed -e 's,[[      ]]*$,,'`
1770                 case "$cf_result" in
1771                 .*k)
1772                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1773                         case "$cf_result" in
1774                         .*CC=*) cf_cv_makeflags=
1775                                 ;;
1776                         *)      cf_cv_makeflags=$cf_option
1777                                 ;;
1778                         esac
1779                         break
1780                         ;;
1781                 .-)     ;;
1782                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
1783                         ;;
1784                 esac
1785         done
1786         rm -f cf_makeflags.tmp
1787 ])
1788
1789 AC_SUBST(cf_cv_makeflags)
1790 ])dnl
1791 dnl ---------------------------------------------------------------------------
1792 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1793 dnl ------------
1794 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1795 dnl a monocase filesystem.
1796 AC_DEFUN([CF_MAKE_TAGS],[
1797 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1798
1799 AC_CHECK_PROGS(CTAGS, exctags ctags)
1800 AC_CHECK_PROGS(ETAGS, exetags etags)
1801
1802 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1803
1804 if test "$cf_cv_mixedcase" = yes ; then
1805         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1806 else
1807         MAKE_UPPER_TAGS=no
1808 fi
1809
1810 if test "$MAKE_UPPER_TAGS" = yes ; then
1811         MAKE_UPPER_TAGS=
1812 else
1813         MAKE_UPPER_TAGS="#"
1814 fi
1815
1816 if test "$MAKE_LOWER_TAGS" = yes ; then
1817         MAKE_LOWER_TAGS=
1818 else
1819         MAKE_LOWER_TAGS="#"
1820 fi
1821
1822 AC_SUBST(CTAGS)
1823 AC_SUBST(ETAGS)
1824
1825 AC_SUBST(MAKE_UPPER_TAGS)
1826 AC_SUBST(MAKE_LOWER_TAGS)
1827 ])dnl
1828 dnl ---------------------------------------------------------------------------
1829 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
1830 dnl ----------------------
1831 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1832 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1833 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1834 [
1835 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1836 if test "$cross_compiling" = yes ; then
1837         case $target_alias in #(vi
1838         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
1839                 cf_cv_mixedcase=no
1840                 ;;
1841         *)
1842                 cf_cv_mixedcase=yes
1843                 ;;
1844         esac
1845 else
1846         rm -f conftest CONFTEST
1847         echo test >conftest
1848         if test -f CONFTEST ; then
1849                 cf_cv_mixedcase=no
1850         else
1851                 cf_cv_mixedcase=yes
1852         fi
1853         rm -f conftest CONFTEST
1854 fi
1855 ])
1856 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
1857 ])dnl
1858 dnl ---------------------------------------------------------------------------
1859 dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
1860 dnl ----------
1861 dnl Check for a working mkstemp.  This creates two files, checks that they are
1862 dnl successfully created and distinct (AmigaOS apparently fails on the last).
1863 AC_DEFUN([CF_MKSTEMP],[
1864 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
1865 rm -rf conftest*
1866 AC_TRY_RUN([
1867 #include <sys/types.h>
1868 #include <stdlib.h>
1869 #include <stdio.h>
1870 #include <string.h>
1871 #include <sys/stat.h>
1872 int main()
1873 {
1874         char *tmpl = "conftestXXXXXX";
1875         char name[2][80];
1876         int n;
1877         int result = 0;
1878         int fd;
1879         struct stat sb;
1880
1881         umask(077);
1882         for (n = 0; n < 2; ++n) {
1883                 strcpy(name[n], tmpl);
1884                 if ((fd = mkstemp(name[n])) >= 0) {
1885                         if (!strcmp(name[n], tmpl)
1886                          || stat(name[n], &sb) != 0
1887                          || (sb.st_mode & S_IFMT) != S_IFREG
1888                          || (sb.st_mode & 077) != 0) {
1889                                 result = 1;
1890                         }
1891                         close(fd);
1892                 }
1893         }
1894         if (result == 0
1895          && !strcmp(name[0], name[1]))
1896                 result = 1;
1897         ${cf_cv_main_return:-return}(result);
1898 }
1899 ],[cf_cv_func_mkstemp=yes
1900 ],[cf_cv_func_mkstemp=no
1901 ],[AC_CHECK_FUNC(mkstemp)
1902 ])
1903 ])
1904 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
1905         AC_DEFINE(HAVE_MKSTEMP)
1906 fi
1907 ])dnl
1908 dnl ---------------------------------------------------------------------------
1909 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
1910 dnl ----------
1911 dnl Write a debug message to config.log, along with the line number in the
1912 dnl configure script.
1913 AC_DEFUN([CF_MSG_LOG],[
1914 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
1915 ])dnl
1916 dnl ---------------------------------------------------------------------------
1917 dnl CF_NCURSES_ADDON version: 3 updated: 2010/10/23 15:54:49
1918 dnl ----------------
1919 dnl Configure an ncurses add-on, built outside the ncurses tree.
1920 AC_DEFUN([CF_NCURSES_ADDON],[
1921
1922 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
1923
1924 AC_MSG_CHECKING(if you want wide-character code)
1925 AC_ARG_ENABLE(widec,
1926         [  --enable-widec          compile with wide-char/UTF-8 code],
1927         [with_widec=$enableval],
1928         [with_widec=no])
1929 AC_MSG_RESULT($with_widec)
1930 if test "$with_widec" = yes ; then
1931         CF_UTF8_LIB 
1932         CF_NCURSES_CONFIG(ncursesw)
1933 else
1934         CF_NCURSES_CONFIG(ncurses)
1935 fi
1936
1937 if test "$NCURSES_CONFIG" != none ; then
1938
1939 cf_version=`$NCURSES_CONFIG --version`
1940
1941 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
1942 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]]\+\.//' -e 's/\..*//'`
1943 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]]\+\.[[0-9]]\+\.//'`
1944
1945 # ABI version is not available from headers
1946 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
1947
1948 else
1949
1950 for cf_name in MAJOR MINOR PATCH
1951 do
1952 cat >conftest.$ac_ext <<CF_EOF
1953 #include <${cf_cv_ncurses_header:-curses.h}>
1954 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
1955 CF_EOF
1956         cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
1957         AC_TRY_EVAL(cf_try)
1958         if test -f conftest.out ; then
1959                 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]]\+//"`
1960                 eval NCURSES_$cf_name=$cf_result
1961                 cat conftest.$ac_ext
1962                 cat conftest.out
1963         fi
1964 done
1965
1966 cf_cv_abi_version=${NCURSES_MAJOR}
1967
1968 fi
1969
1970 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
1971
1972 dnl Show the computed version, for logging
1973 cf_cv_timestamp=`date`
1974
1975 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
1976
1977 dnl We need these values in the generated headers
1978 AC_SUBST(NCURSES_MAJOR)
1979 AC_SUBST(NCURSES_MINOR)
1980 AC_SUBST(NCURSES_PATCH)
1981
1982 dnl We need these values in the generated makefiles
1983 AC_SUBST(cf_cv_rel_version)
1984 AC_SUBST(cf_cv_abi_version)
1985
1986 dnl FIXME - not needed for Ada95
1987 AC_SUBST(cf_cv_builtin_bool)
1988 AC_SUBST(cf_cv_header_stdbool_h)
1989 AC_SUBST(cf_cv_type_of_bool)dnl
1990
1991 ])
1992 dnl ---------------------------------------------------------------------------
1993 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
1994 dnl -------------------
1995 dnl Check if we can compile with ncurses' header file
1996 dnl $1 is the cache variable to set
1997 dnl $2 is the header-file to include
1998 dnl $3 is the root name (ncurses or ncursesw)
1999 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2000         AC_TRY_COMPILE([
2001 ]ifelse($3,ncursesw,[
2002 #define _XOPEN_SOURCE_EXTENDED
2003 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2004 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2005 ])[
2006 #include <$2>],[
2007 #ifdef NCURSES_VERSION
2008 ]ifelse($3,ncursesw,[
2009 #ifndef WACS_BSSB
2010         make an error
2011 #endif
2012 ])[
2013 printf("%s\n", NCURSES_VERSION);
2014 #else
2015 #ifdef __NCURSES_H
2016 printf("old\n");
2017 #else
2018         make an error
2019 #endif
2020 #endif
2021         ]
2022         ,[$1=$2]
2023         ,[$1=no])
2024 ])dnl
2025 dnl ---------------------------------------------------------------------------
2026 dnl CF_NCURSES_CONFIG version: 8 updated: 2010/07/08 05:17:30
2027 dnl -----------------
2028 dnl Tie together the configure-script macros for ncurses.
2029 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2030 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2031 dnl
2032 dnl $1 is the root library name (default: "ncurses")
2033 AC_DEFUN([CF_NCURSES_CONFIG],
2034 [
2035 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2036
2037 echo "Looking for ${cf_ncuconfig_root}-config"
2038 AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
2039
2040 if test "$NCURSES_CONFIG" != none ; then
2041
2042 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2043 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2044
2045 # even with config script, some packages use no-override for curses.h
2046 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2047
2048 dnl like CF_NCURSES_CPPFLAGS
2049 AC_DEFINE(NCURSES)
2050
2051 dnl like CF_NCURSES_LIBS
2052 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2053 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2054
2055 dnl like CF_NCURSES_VERSION
2056 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2057
2058 else
2059
2060 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2061 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2062
2063 fi
2064 ])dnl
2065 dnl ---------------------------------------------------------------------------
2066 dnl CF_NCURSES_CPPFLAGS version: 19 updated: 2007/07/29 13:35:20
2067 dnl -------------------
2068 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2069 dnl the CPPFLAGS variable so we can include its header.
2070 dnl
2071 dnl The header files may be installed as either curses.h, or ncurses.h (would
2072 dnl be obsolete, except that some packagers prefer this name to distinguish it
2073 dnl from a "native" curses implementation).  If not installed for overwrite,
2074 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2075 dnl /usr/include/ncurses), but someone may have installed overwriting the
2076 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2077 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2078 dnl the header.
2079 dnl
2080 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2081 dnl is already in the include-path, don't even bother with this, since we cannot
2082 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2083 dnl
2084 dnl The optional parameter gives the root name of the library, in case it is
2085 dnl not installed as the default curses library.  That is how the
2086 dnl wide-character version of ncurses is installed.
2087 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2088 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2089
2090 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2091 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2092
2093 test -n "$cf_cv_curses_dir" && \
2094 test "$cf_cv_curses_dir" != "no" && { \
2095   CF_ADD_INCDIR($cf_cv_curses_dir/include $cf_cv_curses_dir/include/$cf_ncuhdr_root)
2096 }
2097
2098 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2099         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2100         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2101         for cf_header in $cf_header_list
2102         do
2103                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2104                 test "$cf_cv_ncurses_h" != no && break
2105         done
2106 ])
2107
2108 CF_NCURSES_HEADER
2109 CF_TERM_HEADER
2110
2111 # some applications need this, but should check for NCURSES_VERSION
2112 AC_DEFINE(NCURSES)
2113
2114 CF_NCURSES_VERSION
2115 ])dnl
2116 dnl ---------------------------------------------------------------------------
2117 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
2118 dnl -----------------
2119 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2120 dnl variations of ncurses' installs.
2121 dnl
2122 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2123 AC_DEFUN([CF_NCURSES_HEADER],[
2124
2125 if test "$cf_cv_ncurses_h" != no ; then
2126         cf_cv_ncurses_header=$cf_cv_ncurses_h
2127 else
2128
2129 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2130         test -n "$verbose" && echo
2131         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2132         test -n "$verbose" && echo search path $cf_search
2133         cf_save2_CPPFLAGS="$CPPFLAGS"
2134         for cf_incdir in $cf_search
2135         do
2136                 CF_ADD_INCDIR($cf_incdir)
2137                 for cf_header in \
2138                         ncurses.h \
2139                         curses.h
2140                 do
2141                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2142                         if test "$cf_cv_ncurses_h2" != no ; then
2143                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2144                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2145                                 break
2146                         fi
2147                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2148                 done
2149                 CPPFLAGS="$cf_save2_CPPFLAGS"
2150                 test "$cf_cv_ncurses_h2" != no && break
2151         done
2152         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2153         ])
2154
2155         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2156         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2157         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2158                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2159         fi
2160         CF_ADD_INCDIR($cf_1st_incdir)
2161
2162 fi
2163
2164 # Set definitions to allow ifdef'ing for ncurses.h
2165
2166 case $cf_cv_ncurses_header in # (vi
2167 *ncurses.h)
2168         AC_DEFINE(HAVE_NCURSES_H)
2169         ;;
2170 esac
2171
2172 case $cf_cv_ncurses_header in # (vi
2173 ncurses/curses.h|ncurses/ncurses.h)
2174         AC_DEFINE(HAVE_NCURSES_NCURSES_H)
2175         ;;
2176 ncursesw/curses.h|ncursesw/ncurses.h)
2177         AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
2178         ;;
2179 esac
2180
2181 ])dnl
2182 dnl ---------------------------------------------------------------------------
2183 dnl CF_NCURSES_LIBS version: 15 updated: 2010/10/23 15:54:49
2184 dnl ---------------
2185 dnl Look for the ncurses library.  This is a little complicated on Linux,
2186 dnl because it may be linked with the gpm (general purpose mouse) library.
2187 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2188 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2189 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2190 dnl and the linker will record a dependency.
2191 dnl
2192 dnl The optional parameter gives the root name of the library, in case it is
2193 dnl not installed as the default curses library.  That is how the
2194 dnl wide-character version of ncurses is installed.
2195 AC_DEFUN([CF_NCURSES_LIBS],
2196 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2197
2198 cf_nculib_root=ifelse($1,,ncurses,$1)
2199         # This works, except for the special case where we find gpm, but
2200         # ncurses is in a nonstandard location via $LIBS, and we really want
2201         # to link gpm.
2202 cf_ncurses_LIBS=""
2203 cf_ncurses_SAVE="$LIBS"
2204 AC_CHECK_LIB(gpm,Gpm_Open,
2205         [AC_CHECK_LIB(gpm,initscr,
2206                 [LIBS="$cf_ncurses_SAVE"],
2207                 [cf_ncurses_LIBS="-lgpm"])])
2208
2209 case $host_os in #(vi
2210 freebsd*)
2211         # This is only necessary if you are linking against an obsolete
2212         # version of ncurses (but it should do no harm, since it's static).
2213         if test "$cf_nculib_root" = ncurses ; then
2214                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2215         fi
2216         ;;
2217 esac
2218
2219 CF_ADD_LIBS($cf_ncurses_LIBS)
2220
2221 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2222 then
2223         CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
2224         CF_ADD_LIBS(-l$cf_nculib_root)
2225 else
2226         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2227                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2228                 [initscr()],
2229                 initscr)
2230 fi
2231
2232 if test -n "$cf_ncurses_LIBS" ; then
2233         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2234         cf_ncurses_SAVE="$LIBS"
2235         for p in $cf_ncurses_LIBS ; do
2236                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2237                 if test "$q" != "$LIBS" ; then
2238                         LIBS="$q"
2239                 fi
2240         done
2241         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2242                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2243                 [AC_MSG_RESULT(yes)],
2244                 [AC_MSG_RESULT(no)
2245                  LIBS="$cf_ncurses_SAVE"])
2246 fi
2247
2248 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2249 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2250 ])dnl
2251 dnl ---------------------------------------------------------------------------
2252 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
2253 dnl ------------------
2254 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2255 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2256 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2257 AC_DEFUN([CF_NCURSES_VERSION],
2258 [
2259 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2260 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2261         cf_cv_ncurses_version=no
2262         cf_tempfile=out$$
2263         rm -f $cf_tempfile
2264         AC_TRY_RUN([
2265 #include <${cf_cv_ncurses_header:-curses.h}>
2266 #include <stdio.h>
2267 int main()
2268 {
2269         FILE *fp = fopen("$cf_tempfile", "w");
2270 #ifdef NCURSES_VERSION
2271 # ifdef NCURSES_VERSION_PATCH
2272         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2273 # else
2274         fprintf(fp, "%s\n", NCURSES_VERSION);
2275 # endif
2276 #else
2277 # ifdef __NCURSES_H
2278         fprintf(fp, "old\n");
2279 # else
2280         make an error
2281 # endif
2282 #endif
2283         ${cf_cv_main_return:-return}(0);
2284 }],[
2285         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2286
2287         # This will not work if the preprocessor splits the line after the
2288         # Autoconf token.  The 'unproto' program does that.
2289         cat > conftest.$ac_ext <<EOF
2290 #include <${cf_cv_ncurses_header:-curses.h}>
2291 #undef Autoconf
2292 #ifdef NCURSES_VERSION
2293 Autoconf NCURSES_VERSION
2294 #else
2295 #ifdef __NCURSES_H
2296 Autoconf "old"
2297 #endif
2298 ;
2299 #endif
2300 EOF
2301         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2302         AC_TRY_EVAL(cf_try)
2303         if test -f conftest.out ; then
2304                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2305                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2306                 rm -f conftest.out
2307         fi
2308 ])
2309         rm -f $cf_tempfile
2310 ])
2311 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
2312 ])dnl
2313 dnl ---------------------------------------------------------------------------
2314 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
2315 dnl ------------------
2316 dnl see CF_WITH_NO_LEAKS
2317 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2318 AC_MSG_CHECKING(if you want to use $1 for testing)
2319 AC_ARG_WITH($1,
2320         [$2],
2321         [AC_DEFINE($3)ifelse([$4],,[
2322          $4
2323 ])
2324         : ${with_cflags:=-g}
2325         : ${with_no_leaks:=yes}
2326          with_$1=yes],
2327         [with_$1=])
2328 AC_MSG_RESULT(${with_$1:-no})
2329
2330 case .$with_cflags in #(vi
2331 .*-g*)
2332         case .$CFLAGS in #(vi
2333         .*-g*) #(vi
2334                 ;;
2335         *)
2336                 CF_ADD_CFLAGS([-g])
2337                 ;;
2338         esac
2339         ;;
2340 esac
2341 ])dnl
2342 dnl ---------------------------------------------------------------------------
2343 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
2344 dnl ----------------
2345 dnl Check if the given variable is a number.  If not, report an error.
2346 dnl $1 is the variable
2347 dnl $2 is the message
2348 AC_DEFUN([CF_NUMBER_SYNTAX],[
2349 if test -n "$1" ; then
2350   case $1 in #(vi
2351   [[0-9]]*) #(vi
2352         ;;
2353   *)
2354         AC_MSG_ERROR($2 is not a number: $1)
2355         ;;
2356   esac
2357 else
2358   AC_MSG_ERROR($2 value is empty)
2359 fi
2360 ])dnl
2361 dnl ---------------------------------------------------------------------------
2362 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2363 dnl -------------
2364 dnl Compute the object-directory name from the given model name
2365 AC_DEFUN([CF_OBJ_SUBDIR],
2366 [
2367         case $1 in
2368         libtool) $2='obj_lo'  ;;
2369         normal)  $2='objects' ;;
2370         debug)   $2='obj_g' ;;
2371         profile) $2='obj_p' ;;
2372         shared)
2373                 case $cf_cv_system_name in #(vi
2374                 cygwin) #(vi
2375                         $2='objects' ;;
2376                 *)
2377                         $2='obj_s' ;;
2378                 esac
2379         esac
2380 ])dnl
2381 dnl ---------------------------------------------------------------------------
2382 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
2383 dnl ----------
2384 dnl Provide a value for the $PATH and similar separator
2385 AC_DEFUN([CF_PATHSEP],
2386 [
2387         case $cf_cv_system_name in
2388         os2*)   PATH_SEPARATOR=';'  ;;
2389         *)      PATH_SEPARATOR=':'  ;;
2390         esac
2391 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2392         AC_SUBST(PATH_SEPARATOR)
2393 ])dnl
2394 dnl ---------------------------------------------------------------------------
2395 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
2396 dnl --------------
2397 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2398 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2399 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2400 dnl delayed evaluation of those symbols.
2401 AC_DEFUN([CF_PATH_SYNTAX],[
2402 if test "x$prefix" != xNONE; then
2403   cf_path_syntax="$prefix"
2404 else
2405   cf_path_syntax="$ac_default_prefix"
2406 fi
2407
2408 case ".[$]$1" in #(vi
2409 .\[$]\(*\)*|.\'*\'*) #(vi
2410   ;;
2411 ..|./*|.\\*) #(vi
2412   ;;
2413 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2414   ;;
2415 .\[$]{*prefix}*) #(vi
2416   eval $1="[$]$1"
2417   case ".[$]$1" in #(vi
2418   .NONE/*)
2419     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2420     ;;
2421   esac
2422   ;; #(vi
2423 .no|.NONE/*)
2424   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2425   ;;
2426 *)
2427   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2428   ;;
2429 esac
2430 ])dnl
2431 dnl ---------------------------------------------------------------------------
2432 dnl CF_PKG_CONFIG version: 3 updated: 2009/01/25 10:55:09
2433 dnl -------------
2434 dnl Check for the package-config program, unless disabled by command-line.
2435 AC_DEFUN([CF_PKG_CONFIG],
2436 [
2437 AC_MSG_CHECKING(if you want to use pkg-config)
2438 AC_ARG_WITH(pkg-config,
2439         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2440         [cf_pkg_config=$withval],
2441         [cf_pkg_config=yes])
2442 AC_MSG_RESULT($cf_pkg_config)
2443
2444 case $cf_pkg_config in #(vi
2445 no) #(vi
2446         PKG_CONFIG=none
2447         ;;
2448 yes) #(vi
2449         AC_PATH_PROG(PKG_CONFIG, pkg-config, none)
2450         ;;
2451 *)
2452         PKG_CONFIG=$withval
2453         ;;
2454 esac
2455
2456 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2457 if test "$PKG_CONFIG" != none ; then
2458         CF_PATH_SYNTAX(PKG_CONFIG)
2459 fi
2460
2461 AC_SUBST(PKG_CONFIG)
2462 ])dnl
2463 dnl ---------------------------------------------------------------------------
2464 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2465 dnl -----------------
2466 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2467 dnl
2468 dnl     POSIX.1-1990                            _POSIX_SOURCE
2469 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2470 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2471 dnl             Bindings Option
2472 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2473 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2474 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2475 dnl
2476 dnl Parameters:
2477 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2478 AC_DEFUN([CF_POSIX_C_SOURCE],
2479 [
2480 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2481
2482 cf_save_CFLAGS="$CFLAGS"
2483 cf_save_CPPFLAGS="$CPPFLAGS"
2484
2485 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2486 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2487
2488 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2489         CF_MSG_LOG(if the symbol is already defined go no further)
2490         AC_TRY_COMPILE([#include <sys/types.h>],[
2491 #ifndef _POSIX_C_SOURCE
2492 make an error
2493 #endif],
2494         [cf_cv_posix_c_source=no],
2495         [cf_want_posix_source=no
2496          case .$cf_POSIX_C_SOURCE in #(vi
2497          .[[12]]??*) #(vi
2498                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2499                 ;;
2500          .2) #(vi
2501                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2502                 cf_want_posix_source=yes
2503                 ;;
2504          .*)
2505                 cf_want_posix_source=yes
2506                 ;;
2507          esac
2508          if test "$cf_want_posix_source" = yes ; then
2509                 AC_TRY_COMPILE([#include <sys/types.h>],[
2510 #ifdef _POSIX_SOURCE
2511 make an error
2512 #endif],[],
2513                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2514          fi
2515          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2516          CFLAGS="$cf_trim_CFLAGS"
2517          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2518          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2519          AC_TRY_COMPILE([#include <sys/types.h>],[
2520 #ifndef _POSIX_C_SOURCE
2521 make an error
2522 #endif],,
2523          [cf_cv_posix_c_source=no])
2524          CFLAGS="$cf_save_CFLAGS"
2525          CPPFLAGS="$cf_save_CPPFLAGS"
2526         ])
2527 ])
2528
2529 if test "$cf_cv_posix_c_source" != no ; then
2530         CFLAGS="$cf_trim_CFLAGS"
2531         CPPFLAGS="$cf_trim_CPPFLAGS"
2532         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2533 fi
2534
2535 ])dnl
2536 dnl ---------------------------------------------------------------------------
2537 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2538 dnl ----------
2539 dnl Check for archiver "ar".
2540 AC_DEFUN([CF_PROG_AR],[
2541 AC_CHECK_TOOL(AR, ar, ar)
2542 ])
2543 dnl ---------------------------------------------------------------------------
2544 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2545 dnl -----------
2546 dnl Check for awk, ensure that the check found something.
2547 AC_DEFUN([CF_PROG_AWK],
2548 [
2549 AC_PROG_AWK
2550 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2551 ])dnl
2552 dnl ---------------------------------------------------------------------------
2553 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2554 dnl --------------
2555 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2556 dnl the output file can be renamed, and allows for a shell variable that can
2557 dnl be used later.  The parameter is either CC or CXX.  The result is the
2558 dnl cache variable:
2559 dnl     $cf_cv_prog_CC_c_o
2560 dnl     $cf_cv_prog_CXX_c_o
2561 AC_DEFUN([CF_PROG_CC_C_O],
2562 [AC_REQUIRE([AC_PROG_CC])dnl
2563 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2564 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2565 [
2566 cat > conftest.$ac_ext <<CF_EOF
2567 #include <stdio.h>
2568 int main()
2569 {
2570         ${cf_cv_main_return:-return}(0);
2571 }
2572 CF_EOF
2573 # We do the test twice because some compilers refuse to overwrite an
2574 # existing .o file with -o, though they will create one.
2575 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2576 if AC_TRY_EVAL(ac_try) &&
2577   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2578 then
2579   eval cf_cv_prog_$1_c_o=yes
2580 else
2581   eval cf_cv_prog_$1_c_o=no
2582 fi
2583 rm -rf conftest*
2584 ])dnl
2585 if test $cf_cv_prog_$1_c_o = yes; then
2586   AC_MSG_RESULT([yes])
2587 else
2588   AC_MSG_RESULT([no])
2589 fi
2590 ])dnl
2591 dnl ---------------------------------------------------------------------------
2592 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2593 dnl -------------
2594 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2595 dnl This macro adds a check to ensure the script found something.
2596 AC_DEFUN([CF_PROG_EGREP],
2597 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2598    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2599     then ac_cv_prog_egrep='grep -E'
2600     else ac_cv_prog_egrep='egrep'
2601     fi])
2602  EGREP=$ac_cv_prog_egrep
2603  AC_SUBST([EGREP])
2604 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2605 ])dnl
2606 dnl ---------------------------------------------------------------------------
2607 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
2608 dnl -----------
2609 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2610 AC_DEFUN([CF_PROG_EXT],
2611 [
2612 AC_REQUIRE([CF_CHECK_CACHE])
2613 case $cf_cv_system_name in
2614 os2*)
2615     CFLAGS="$CFLAGS -Zmt"
2616     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2617     CXXFLAGS="$CXXFLAGS -Zmt"
2618     # autoconf's macro sets -Zexe and suffix both, which conflict:w
2619     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2620     ac_cv_exeext=.exe
2621     ;;
2622 esac
2623
2624 AC_EXEEXT
2625 AC_OBJEXT
2626
2627 PROG_EXT="$EXEEXT"
2628 AC_SUBST(PROG_EXT)
2629 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
2630 ])dnl
2631 dnl ---------------------------------------------------------------------------
2632 dnl CF_PROG_GNAT version: 1 updated: 2010/06/19 15:22:18
2633 dnl ------------
2634 dnl Check for gnatmake, ensure that it is complete.
2635 AC_DEFUN([CF_PROG_GNAT],[
2636 cf_ada_make=gnatmake
2637 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2638 if test "$ac_cv_prog_gnat_exists" = no; then
2639    cf_ada_make=
2640 else
2641    CF_GNAT_VERSION
2642    AC_CHECK_PROG(M4_exists, m4, yes, no)
2643    if test "$ac_cv_prog_M4_exists" = no; then
2644       cf_cv_prog_gnat_correct=no
2645       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2646    fi
2647    if test "$cf_cv_prog_gnat_correct" = yes; then
2648       AC_MSG_CHECKING(if GNAT works)
2649       CF_GNAT_TRY_RUN([procedure conftest;],
2650 [with Text_IO;
2651 with GNAT.OS_Lib;
2652 procedure conftest is
2653 begin
2654    Text_IO.Put ("Hello World");
2655    Text_IO.New_Line;
2656    GNAT.OS_Lib.OS_Exit (0);
2657 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2658       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2659    fi
2660 fi
2661
2662 AC_SUBST(cf_ada_make)
2663 ])dnl
2664 dnl ---------------------------------------------------------------------------
2665 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2666 dnl ------------
2667 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2668 dnl option if it is supported.
2669 AC_DEFUN([CF_PROG_LN_S],[
2670 AC_PROG_LN_S
2671 AC_MSG_CHECKING(if $LN_S -f options work)
2672
2673 rm -f conf$$.src conf$$dst
2674 echo >conf$$.dst
2675 echo first >conf$$.src
2676 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2677         cf_prog_ln_sf=yes
2678 else
2679         cf_prog_ln_sf=no
2680 fi
2681 rm -f conf$$.dst conf$$src
2682 AC_MSG_RESULT($cf_prog_ln_sf)
2683
2684 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2685 ])dnl
2686 dnl ---------------------------------------------------------------------------
2687 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2688 dnl ----------------
2689 dnl Remove all -U and -D options that refer to the given symbol from a list
2690 dnl of C compiler options.  This works around the problem that not all
2691 dnl compilers process -U and -D options from left-to-right, so a -U option
2692 dnl cannot be used to cancel the effect of a preceding -D option.
2693 dnl
2694 dnl $1 = target (which could be the same as the source variable)
2695 dnl $2 = source (including '$')
2696 dnl $3 = symbol to remove
2697 define([CF_REMOVE_DEFINE],
2698 [
2699 $1=`echo "$2" | \
2700         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2701                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2702 ])dnl
2703 dnl ---------------------------------------------------------------------------
2704 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2705 dnl -------------
2706 dnl Remove the given library from the symbol
2707 dnl
2708 dnl $1 = target (which could be the same as the source variable)
2709 dnl $2 = source (including '$')
2710 dnl $3 = library to remove
2711 define([CF_REMOVE_LIB],
2712 [
2713 # remove $3 library from $2
2714 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2715 ])dnl
2716 dnl ---------------------------------------------------------------------------
2717 dnl CF_SHARED_OPTS version: 64 updated: 2010/06/05 16:51:16
2718 dnl --------------
2719 dnl --------------
2720 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2721 dnl library.
2722 dnl
2723 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2724 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2725 dnl We avoid compiling-in a ../lib path for the shared library since that can
2726 dnl lead to unexpected results at runtime.
2727 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2728 dnl are compiled in ../../lib
2729 dnl
2730 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2731 dnl to install symbolic links to the rel/abi versions of shared libraries.
2732 dnl
2733 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2734 dnl version when making symbolic links.
2735 dnl
2736 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2737 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2738 dnl (ex: libncurses.so.<ver>).
2739 dnl
2740 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2741 AC_DEFUN([CF_SHARED_OPTS],
2742 [
2743         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2744         AC_REQUIRE([CF_LD_RPATH_OPT])
2745         LOCAL_LDFLAGS=
2746         LOCAL_LDFLAGS2=
2747         LD_SHARED_OPTS=
2748         INSTALL_LIB="-m 644"
2749
2750         cf_cv_do_symlinks=no
2751         cf_ld_rpath_opt=
2752         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2753
2754         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2755         AC_ARG_WITH(shlib-version,
2756         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2757         [test -z "$withval" && withval=auto
2758         case $withval in #(vi
2759         yes) #(vi
2760                 cf_cv_shlib_version=auto
2761                 ;;
2762         rel|abi|auto|no) #(vi
2763                 cf_cv_shlib_version=$withval
2764                 ;;
2765         *)
2766                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2767                 ;;
2768         esac
2769         ],[cf_cv_shlib_version=auto])
2770         AC_MSG_RESULT($cf_cv_shlib_version)
2771
2772         cf_cv_rm_so_locs=no
2773
2774         # Some less-capable ports of gcc support only -fpic
2775         CC_SHARED_OPTS=
2776         if test "$GCC" = yes
2777         then
2778                 AC_MSG_CHECKING(which $CC option to use)
2779                 cf_save_CFLAGS="$CFLAGS"
2780                 for CC_SHARED_OPTS in -fPIC -fpic ''
2781                 do
2782                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2783                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2784                 done
2785                 AC_MSG_RESULT($CC_SHARED_OPTS)
2786                 CFLAGS="$cf_save_CFLAGS"
2787         fi
2788
2789         cf_cv_shlib_version_infix=no
2790
2791         case $cf_cv_system_name in #(vi
2792         aix[[56]]*) #(vi
2793                 if test "$GCC" = yes; then
2794                         CC_SHARED_OPTS=
2795                         MK_SHARED_LIB='$(CC) -shared'
2796                 fi
2797                 ;;
2798         beos*) #(vi
2799                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2800                 ;;
2801         cygwin*) #(vi
2802                 CC_SHARED_OPTS=
2803                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2804                 cf_cv_shlib_version=cygdll
2805                 cf_cv_shlib_version_infix=cygdll
2806                 cat >mk_shared_lib.sh <<-CF_EOF
2807                 #!/bin/sh
2808                 SHARED_LIB=\[$]1
2809                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2810                 shift
2811                 cat <<-EOF
2812                 Linking shared library
2813                 ** SHARED_LIB \[$]SHARED_LIB
2814                 ** IMPORT_LIB \[$]IMPORT_LIB
2815 EOF
2816                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
2817 CF_EOF
2818                 chmod +x mk_shared_lib.sh
2819                 ;;
2820         darwin*) #(vi
2821                 EXTRA_CFLAGS="-no-cpp-precomp"
2822                 CC_SHARED_OPTS="-dynamic"
2823                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2824                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2825                 cf_cv_shlib_version_infix=yes
2826                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2827                         cf_save_LDFLAGS=$LDFLAGS
2828                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2829                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2830                                 LDFLAGS=$cf_save_LDFLAGS])
2831                 if test $cf_cv_ldflags_search_paths_first = yes; then
2832                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2833                 fi
2834                 ;;
2835         hpux*) #(vi
2836                 # (tested with gcc 2.7.2 -- I don't have c89)
2837                 if test "$GCC" = yes; then
2838                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
2839                 else
2840                         CC_SHARED_OPTS='+Z'
2841                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
2842                 fi
2843                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
2844                 # HP-UX shared libraries must be executable, and should be
2845                 # readonly to exploit a quirk in the memory manager.
2846                 INSTALL_LIB="-m 555"
2847                 ;;
2848         irix*) #(vi
2849                 if test "$cf_cv_enable_rpath" = yes ; then
2850                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS"
2851                 fi
2852                 # tested with IRIX 5.2 and 'cc'.
2853                 if test "$GCC" != yes; then
2854                         CC_SHARED_OPTS='-KPIC'
2855                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
2856                 else
2857                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
2858                 fi
2859                 cf_cv_rm_so_locs=yes
2860                 ;;
2861         linux*|gnu*|k*bsd*-gnu) #(vi
2862                 if test "$DFT_LWR_MODEL" = "shared" ; then
2863                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
2864                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
2865                 fi
2866                 if test "$cf_cv_enable_rpath" = yes ; then
2867                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS"
2868                 fi
2869                 CF_SHARED_SONAME
2870                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
2871                 ;;
2872         openbsd[[2-9]].*) #(vi
2873                 if test "$DFT_LWR_MODEL" = "shared" ; then
2874                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
2875                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
2876                 fi
2877                 if test "$cf_cv_enable_rpath" = yes ; then
2878                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS"
2879                 fi
2880                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
2881                 CF_SHARED_SONAME
2882                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
2883                 ;;
2884         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
2885                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
2886                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
2887                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2888                 ;;
2889         freebsd*) #(vi
2890                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
2891                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
2892                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
2893                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${libdir} $LOCAL_LDFLAGS"
2894                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS"
2895                 fi
2896                 CF_SHARED_SONAME
2897                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
2898                 ;;
2899         netbsd*) #(vi
2900                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
2901                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
2902                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
2903                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
2904                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS"
2905                         if test "$cf_cv_shlib_version" = auto; then
2906                         if test -f /usr/libexec/ld.elf_so; then
2907                                 cf_cv_shlib_version=abi
2908                         else
2909                                 cf_cv_shlib_version=rel
2910                         fi
2911                         fi
2912                         CF_SHARED_SONAME
2913                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
2914                 else
2915                         MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
2916                 fi
2917                 ;;
2918         osf*|mls+*) #(vi
2919                 # tested with OSF/1 V3.2 and 'cc'
2920                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
2921                 # link with shared libs).
2922                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
2923                 case $host_os in #(vi
2924                 osf4*)
2925                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
2926                         ;;
2927                 esac
2928                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
2929                 if test "$DFT_LWR_MODEL" = "shared" ; then
2930                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
2931                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
2932                 fi
2933                 cf_cv_rm_so_locs=yes
2934                 ;;
2935         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
2936                 # tested with osr5.0.5
2937                 if test "$GCC" != yes; then
2938                         CC_SHARED_OPTS='-belf -KPIC'
2939                 fi
2940                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
2941                 if test "$cf_cv_enable_rpath" = yes ; then
2942                         # only way is to set LD_RUN_PATH but no switch for it
2943                         RUN_PATH=$libdir
2944                 fi
2945                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2946                 LINK_PROGS='LD_RUN_PATH=${libdir}'
2947                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
2948                 ;;
2949         sunos4*) #(vi
2950                 # tested with SunOS 4.1.1 and gcc 2.7.0
2951                 if test "$GCC" != yes; then
2952                         CC_SHARED_OPTS='-KPIC'
2953                 fi
2954                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
2955                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2956                 ;;
2957         solaris2*) #(vi
2958                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
2959                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
2960                 if test "$DFT_LWR_MODEL" = "shared" ; then
2961                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
2962                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
2963                 fi
2964                 if test "$cf_cv_enable_rpath" = yes ; then
2965                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
2966                 fi
2967                 CF_SHARED_SONAME
2968                 if test "$GCC" != yes; then
2969                         cf_save_CFLAGS="$CFLAGS"
2970                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
2971                         do
2972                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
2973                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
2974                         done
2975                         CFLAGS="$cf_save_CFLAGS"
2976                         CC_SHARED_OPTS=$cf_shared_opts
2977                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
2978                 else
2979                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
2980                 fi
2981                 ;;
2982         sysv5uw7*|unix_sv*) #(vi
2983                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
2984                 if test "$GCC" != yes; then
2985                         CC_SHARED_OPTS='-KPIC'
2986                 fi
2987                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
2988                 ;;
2989         *)
2990                 CC_SHARED_OPTS='unknown'
2991                 MK_SHARED_LIB='echo unknown'
2992                 ;;
2993         esac
2994
2995         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
2996         case "$cf_cv_shlib_version" in #(vi
2997         rel|abi)
2998                 case "$MK_SHARED_LIB" in #(vi
2999                 *'-o $[@]') #(vi
3000                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3001                         ;;
3002                 *)
3003                         AC_MSG_WARN(ignored --with-shlib-version)
3004                         ;;
3005                 esac
3006                 ;;
3007         esac
3008
3009         if test -n "$cf_ld_rpath_opt" ; then
3010                 MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${libdir}"
3011         fi
3012
3013         AC_SUBST(CC_SHARED_OPTS)
3014         AC_SUBST(LD_RPATH_OPT)
3015         AC_SUBST(LD_SHARED_OPTS)
3016         AC_SUBST(MK_SHARED_LIB)
3017         AC_SUBST(LINK_PROGS)
3018         AC_SUBST(LINK_TESTS)
3019         AC_SUBST(EXTRA_LDFLAGS)
3020         AC_SUBST(LOCAL_LDFLAGS)
3021         AC_SUBST(LOCAL_LDFLAGS2)
3022         AC_SUBST(INSTALL_LIB)
3023 ])dnl
3024 dnl ---------------------------------------------------------------------------
3025 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3026 dnl ----------------
3027 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3028 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3029 dnl option.
3030 dnl
3031 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3032 dnl If missing, use "rel".
3033 define([CF_SHARED_SONAME],
3034 [
3035         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3036         if test "$cf_cv_shlib_version" = rel; then
3037                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3038         else
3039                 cf_cv_shared_soname='`basename $[@]`'
3040         fi
3041 ])
3042 dnl ---------------------------------------------------------------------------
3043 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3044 dnl --------------
3045 dnl     Remove "-g" option from the compiler options
3046 AC_DEFUN([CF_STRIP_G_OPT],
3047 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3048 dnl ---------------------------------------------------------------------------
3049 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3050 dnl --------------
3051 dnl Construct a search-list for a nonstandard header/lib-file
3052 dnl     $1 = the variable to return as result
3053 dnl     $2 = the package name
3054 dnl     $3 = the subdirectory, e.g., bin, include or lib
3055 AC_DEFUN([CF_SUBDIR_PATH],
3056 [
3057 $1=
3058
3059 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3060 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3061 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3062 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3063 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3064 ])dnl
3065 dnl ---------------------------------------------------------------------------
3066 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
3067 dnl --------
3068 dnl     Shorthand macro for substituting things that the user may override
3069 dnl     with an environment variable.
3070 dnl
3071 dnl     $1 = long/descriptive name
3072 dnl     $2 = environment variable
3073 dnl     $3 = default value
3074 AC_DEFUN([CF_SUBST],
3075 [AC_CACHE_VAL(cf_cv_subst_$2,[
3076 AC_MSG_CHECKING(for $1 (symbol $2))
3077 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
3078 cf_cv_subst_$2=[$]$2
3079 AC_MSG_RESULT([$]$2)
3080 ])
3081 ])dnl
3082 dnl ---------------------------------------------------------------------------
3083 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
3084 dnl --------------
3085 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3086 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3087 dnl but some packagers change this, breaking various applications.
3088 AC_DEFUN([CF_TERM_HEADER],[
3089 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3090 case ${cf_cv_ncurses_header} in #(vi
3091 */ncurses.h|*/ncursesw.h) #(vi
3092         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3093         ;;
3094 *)
3095         cf_term_header=term.h
3096         ;;
3097 esac
3098
3099 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3100 do
3101 AC_TRY_COMPILE([#include <stdio.h>
3102 #include <${cf_cv_ncurses_header:-curses.h}>
3103 #include <$cf_test>
3104 ],[int x = auto_left_margin],[
3105         cf_cv_term_header="$cf_test"],[
3106         cf_cv_term_header=unknown
3107         ])
3108         test "$cf_cv_term_header" != unknown && break
3109 done
3110 ])
3111
3112 # Set definitions to allow ifdef'ing to accommodate subdirectories
3113
3114 case $cf_cv_term_header in # (vi
3115 *term.h)
3116         AC_DEFINE(HAVE_TERM_H)
3117         ;;
3118 esac
3119
3120 case $cf_cv_term_header in # (vi
3121 ncurses/term.h) #(vi
3122         AC_DEFINE(HAVE_NCURSES_TERM_H)
3123         ;;
3124 ncursesw/term.h)
3125         AC_DEFINE(HAVE_NCURSESW_TERM_H)
3126         ;;
3127 esac
3128 ])dnl
3129 dnl ---------------------------------------------------------------------------
3130 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3131 dnl ---------------
3132 dnl Define a top_builddir symbol, for applications that need an absolute path.
3133 AC_DEFUN([CF_TOP_BUILDDIR],
3134 [
3135 top_builddir=`pwd`
3136 AC_SUBST(top_builddir)
3137 ])dnl
3138 dnl ---------------------------------------------------------------------------
3139 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3140 dnl --------
3141 dnl Make an uppercase version of a variable
3142 dnl $1=uppercase($2)
3143 AC_DEFUN([CF_UPPER],
3144 [
3145 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3146 ])dnl
3147 dnl ---------------------------------------------------------------------------
3148 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
3149 dnl -----------
3150 dnl Check for multibyte support, and if not found, utf8 compatibility library
3151 AC_DEFUN([CF_UTF8_LIB],
3152 [
3153 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3154         cf_save_LIBS="$LIBS"
3155         AC_TRY_LINK([
3156 #include <stdlib.h>],[putwc(0,0);],
3157         [cf_cv_utf8_lib=yes],
3158         [CF_FIND_LINKAGE([
3159 #include <libutf8.h>],[putwc(0,0);],utf8,
3160                 [cf_cv_utf8_lib=add-on],
3161                 [cf_cv_utf8_lib=no])
3162 ])])
3163
3164 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3165 # ncurses/ncursesw:
3166 if test "$cf_cv_utf8_lib" = "add-on" ; then
3167         AC_DEFINE(HAVE_LIBUTF8_H)
3168         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3169         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3170         CF_ADD_LIBS($cf_cv_library_file_utf8)
3171 fi
3172 ])dnl
3173 dnl ---------------------------------------------------------------------------
3174 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3175 dnl ----------
3176 dnl Use AC_VERBOSE w/o the warnings
3177 AC_DEFUN([CF_VERBOSE],
3178 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3179 CF_MSG_LOG([$1])
3180 ])dnl
3181 dnl ---------------------------------------------------------------------------
3182 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3183 dnl ---------------
3184 dnl Check for compiler-support for weak symbols.
3185 dnl This works with "recent" gcc.
3186 AC_DEFUN([CF_WEAK_SYMBOLS],[
3187 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3188
3189 AC_TRY_COMPILE([
3190 #include <stdio.h>],
3191 [
3192 #if defined(__GNUC__)
3193 #  if defined __USE_ISOC99
3194 #    define _cat_pragma(exp)    _Pragma(#exp)
3195 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3196 #  else
3197 #    define _weak_pragma(exp)
3198 #  endif
3199 #  define _declare(name)        __extension__ extern __typeof__(name) name
3200 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3201 #endif
3202
3203 weak_symbol(fopen);
3204 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3205 ])
3206 ])dnl
3207 dnl ---------------------------------------------------------------------------
3208 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3209 dnl --------------------
3210 dnl Command-line option to specify the Ada95 compiler.
3211 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3212 AC_MSG_CHECKING(for ada-compiler)
3213 AC_ARG_WITH(ada-compiler,
3214         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3215         [cf_ada_compiler=$withval],
3216         [cf_ada_compiler=gnatmake])
3217 AC_SUBST(cf_ada_compiler)
3218 AC_MSG_RESULT($cf_ada_compiler)
3219 ])dnl
3220 dnl ---------------------------------------------------------------------------
3221 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3222 dnl -------------------
3223 dnl Command-line option to specify where Ada includes will install.
3224 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3225 AC_MSG_CHECKING(for ada-include)
3226 CF_WITH_PATH(ada-include,
3227    [  --with-ada-include=DIR  Ada includes are in DIR],
3228    ADA_INCLUDE,
3229    PREFIX/share/ada/adainclude,
3230    [$]prefix/share/ada/adainclude)
3231 AC_SUBST(ADA_INCLUDE)
3232 AC_MSG_RESULT($ADA_INCLUDE)
3233 ])dnl
3234 dnl ---------------------------------------------------------------------------
3235 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3236 dnl -------------------
3237 dnl Command-line option to specify where Ada objects will install.
3238 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3239 AC_MSG_CHECKING(for ada-objects)
3240 CF_WITH_PATH(ada-objects,
3241    [  --with-ada-objects=DIR  Ada objects are in DIR],
3242    ADA_OBJECTS,
3243    PREFIX/lib/ada/adalib,
3244    [$]prefix/lib/ada/adalib)
3245 AC_SUBST(ADA_OBJECTS)
3246 AC_MSG_RESULT($ADA_OBJECTS)
3247 ])dnl
3248 dnl ---------------------------------------------------------------------------
3249 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3250 dnl ---------------------
3251 dnl Command-line option to specify if an Ada95 shared-library should be built,
3252 dnl and optionally what its soname should be.
3253 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3254 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3255 AC_ARG_WITH(ada-sharedlib,
3256         [  --with-ada-sharedlib=XX build Ada95 shared-library],
3257         [with_ada_sharedlib=$withval],
3258         [with_ada_sharedlib=no])
3259 AC_MSG_RESULT($with_ada_sharedlib)
3260
3261 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3262 MAKE_ADA_SHAREDLIB="#"
3263
3264 if test "x$with_ada_sharedlib" != xno
3265 then
3266         MAKE_ADA_SHAREDLIB=
3267         if test "x$with_ada_sharedlib" != xyes
3268         then
3269                 ADA_SHAREDLIB="$with_ada_sharedlib"
3270         fi
3271 fi
3272
3273 AC_SUBST(ADA_SHAREDLIB)
3274 AC_SUBST(MAKE_ADA_SHAREDLIB)
3275 ])dnl
3276 dnl ---------------------------------------------------------------------------
3277 dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
3278 dnl ------------------
3279 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3280 dnl libraries.
3281 AC_DEFUN([CF_WITH_CURSES_DIR],[
3282 AC_ARG_WITH(curses-dir,
3283         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3284         [CF_PATH_SYNTAX(withval)
3285          cf_cv_curses_dir=$withval],
3286         [cf_cv_curses_dir=no])
3287 ])dnl
3288 dnl ---------------------------------------------------------------------------
3289 dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
3290 dnl ------------
3291 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3292 dnl defaulting to yes/no.
3293 dnl
3294 dnl $1 = option name
3295 dnl $2 = help-text
3296 dnl $3 = environment variable to set
3297 dnl $4 = default value, shown in the help-message, must be a constant
3298 dnl $5 = default value, if it's an expression & cannot be in the help-message
3299 dnl
3300 AC_DEFUN([CF_WITH_PATH],
3301 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3302 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3303 if ifelse([$5],,true,[test -n "$5"]) ; then
3304 CF_PATH_SYNTAX(withval)
3305 fi
3306 $3="$withval"
3307 AC_SUBST($3)dnl
3308 ])dnl
3309 dnl ---------------------------------------------------------------------------
3310 dnl CF_WITH_PTHREAD version: 3 updated: 2010/05/29 16:31:02
3311 dnl ---------------
3312 dnl Check for POSIX thread library.
3313 AC_DEFUN([CF_WITH_PTHREAD],
3314 [
3315 AC_MSG_CHECKING(if you want to link with the pthread library)
3316 AC_ARG_WITH(pthread,
3317     [  --with-pthread          use POSIX thread library],
3318     [with_pthread=$withval],
3319     [with_pthread=no])
3320 AC_MSG_RESULT($with_pthread)
3321
3322 if test "$with_pthread" != no ; then
3323     AC_CHECK_HEADER(pthread.h,[
3324         AC_DEFINE(HAVE_PTHREADS_H)
3325
3326         AC_MSG_CHECKING(if we can link with the pthread library)
3327         cf_save_LIBS="$LIBS"
3328         CF_ADD_LIB(pthread)
3329         AC_TRY_LINK([
3330 #include <pthread.h>
3331 ],[
3332         int rc = pthread_create(0,0,0,0);
3333 ],[with_pthread=yes],[with_pthread=no])
3334         LIBS="$cf_save_LIBS"
3335         AC_MSG_RESULT($with_pthread)
3336
3337         if test "$with_pthread" = yes ; then
3338             CF_ADD_LIB(pthread)
3339             AC_DEFINE(HAVE_LIBPTHREADS)
3340         else
3341             AC_MSG_ERROR(Cannot link with pthread library)
3342         fi
3343     ])
3344 fi
3345 ])
3346 dnl ---------------------------------------------------------------------------
3347 dnl CF_XOPEN_SOURCE version: 34 updated: 2010/05/26 05:38:42
3348 dnl ---------------
3349 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3350 dnl or adapt to the vendor's definitions to get equivalent functionality,
3351 dnl without losing the common non-POSIX features.
3352 dnl
3353 dnl Parameters:
3354 dnl     $1 is the nominal value for _XOPEN_SOURCE
3355 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3356 AC_DEFUN([CF_XOPEN_SOURCE],[
3357
3358 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3359 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3360 cf_xopen_source=
3361
3362 case $host_os in #(vi
3363 aix[[456]]*) #(vi
3364         cf_xopen_source="-D_ALL_SOURCE"
3365         ;;
3366 darwin[[0-8]].*) #(vi
3367         cf_xopen_source="-D_APPLE_C_SOURCE"
3368         ;;
3369 darwin*) #(vi
3370         cf_xopen_source="-D_DARWIN_C_SOURCE"
3371         ;;
3372 freebsd*|dragonfly*) #(vi
3373         # 5.x headers associate
3374         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3375         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3376         cf_POSIX_C_SOURCE=200112L
3377         cf_XOPEN_SOURCE=600
3378         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3379         ;;
3380 hpux11*) #(vi
3381         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3382         ;;
3383 hpux*) #(vi
3384         cf_xopen_source="-D_HPUX_SOURCE"
3385         ;;
3386 irix[[56]].*) #(vi
3387         cf_xopen_source="-D_SGI_SOURCE"
3388         ;;
3389 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3390         CF_GNU_SOURCE
3391         ;;
3392 mirbsd*) #(vi
3393         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
3394         ;;
3395 netbsd*) #(vi
3396         # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3397         ;;
3398 openbsd*) #(vi
3399         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3400         ;;
3401 osf[[45]]*) #(vi
3402         cf_xopen_source="-D_OSF_SOURCE"
3403         ;;
3404 nto-qnx*) #(vi
3405         cf_xopen_source="-D_QNX_SOURCE"
3406         ;;
3407 sco*) #(vi
3408         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3409         ;;
3410 solaris2.1[[0-9]]) #(vi
3411         cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3412         ;;
3413 solaris2.[[1-9]]) #(vi
3414         cf_xopen_source="-D__EXTENSIONS__"
3415         ;;
3416 *)
3417         AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3418         AC_TRY_COMPILE([#include <sys/types.h>],[
3419 #ifndef _XOPEN_SOURCE
3420 make an error
3421 #endif],
3422         [cf_cv_xopen_source=no],
3423         [cf_save="$CPPFLAGS"
3424          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3425          AC_TRY_COMPILE([#include <sys/types.h>],[
3426 #ifdef _XOPEN_SOURCE
3427 make an error
3428 #endif],
3429         [cf_cv_xopen_source=no],
3430         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3431         CPPFLAGS="$cf_save"
3432         ])
3433 ])
3434         if test "$cf_cv_xopen_source" != no ; then
3435                 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3436                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3437                 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3438                 CF_ADD_CFLAGS($cf_temp_xopen_source)
3439         fi
3440         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3441         ;;
3442 esac
3443
3444 if test -n "$cf_xopen_source" ; then
3445         CF_ADD_CFLAGS($cf_xopen_source)
3446 fi
3447 ])