51d15402702d422b63b7214285f6fe3d0e55c3f8
[ncurses.git] / aclocal.m4
1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2013,2014 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 1.94 2014/12/21 00:19:39 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
33 dnl
34 dnl These macros are maintained separately from NCURSES.  The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
37 dnl
38 dnl See http://invisible-island.net/autoconf/ for additional information.
39 dnl
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
45 dnl
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
50 [
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl                      MAJOR2, MINOR2, TERNARY2,
62 dnl                      PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
71 dnl binding.
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
73 [
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
77 fi
78 if test "$GCC" != yes; then
79         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81         if test "$includedir" = '${prefix}/include' ; then
82                 if test x$prefix != x/usr ; then
83                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
84                 fi
85         else
86                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
87         fi
88 fi
89 AC_SUBST(ACPPFLAGS)
90 ])dnl
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
93 dnl ---------------
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96         ADAFLAGS="$ADAFLAGS $1"
97         AC_SUBST(ADAFLAGS)
98 ])dnl
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
101 dnl -------------
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
104 dnl
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
109 [
110 cf_fix_cppflags=no
111 cf_new_cflags=
112 cf_new_cppflags=
113 cf_new_extra_cppflags=
114
115 for cf_add_cflags in $1
116 do
117 case $cf_fix_cppflags in
118 no)
119         case $cf_add_cflags in #(vi
120         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
121                 case $cf_add_cflags in
122                 -D*)
123                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
124
125                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
126                                 && test -z "${cf_tst_cflags}" \
127                                 && cf_fix_cppflags=yes
128
129                         if test $cf_fix_cppflags = yes ; then
130                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
131                                 continue
132                         elif test "${cf_tst_cflags}" = "\"'" ; then
133                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
134                                 continue
135                         fi
136                         ;;
137                 esac
138                 case "$CPPFLAGS" in
139                 *$cf_add_cflags) #(vi
140                         ;;
141                 *) #(vi
142                         case $cf_add_cflags in #(vi
143                         -D*)
144                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
146                                 ;;
147                         esac
148                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
149                         ;;
150                 esac
151                 ;;
152         *)
153                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
154                 ;;
155         esac
156         ;;
157 yes)
158         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
159
160         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
161
162         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
163                 && test -z "${cf_tst_cflags}" \
164                 && cf_fix_cppflags=no
165         ;;
166 esac
167 done
168
169 if test -n "$cf_new_cflags" ; then
170         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171         CFLAGS="$CFLAGS $cf_new_cflags"
172 fi
173
174 if test -n "$cf_new_cppflags" ; then
175         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
177 fi
178
179 if test -n "$cf_new_extra_cppflags" ; then
180         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
182 fi
183
184 AC_SUBST(EXTRA_CPPFLAGS)
185
186 ])dnl
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
189 dnl -------------
190 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
191 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that.  To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
196 [
197 if test -n "$1" ; then
198   for cf_add_incdir in $1
199   do
200         while test $cf_add_incdir != /usr/include
201         do
202           if test -d $cf_add_incdir
203           then
204                 cf_have_incdir=no
205                 if test -n "$CFLAGS$CPPFLAGS" ; then
206                   # a loop is needed to ensure we can add subdirs of existing dirs
207                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209                           cf_have_incdir=yes; break
210                         fi
211                   done
212                 fi
213
214                 if test "$cf_have_incdir" = no ; then
215                   if test "$cf_add_incdir" = /usr/local/include ; then
216                         if test "$GCC" = yes
217                         then
218                           cf_save_CPPFLAGS=$CPPFLAGS
219                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
220                           AC_TRY_COMPILE([#include <stdio.h>],
221                                   [printf("Hello")],
222                                   [],
223                                   [cf_have_incdir=yes])
224                           CPPFLAGS=$cf_save_CPPFLAGS
225                         fi
226                   fi
227                 fi
228
229                 if test "$cf_have_incdir" = no ; then
230                   CF_VERBOSE(adding $cf_add_incdir to include-path)
231                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
232
233                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234                   test "$cf_top_incdir" = "$cf_add_incdir" && break
235                   cf_add_incdir="$cf_top_incdir"
236                 else
237                   break
238                 fi
239           fi
240         done
241   done
242 fi
243 ])dnl
244 dnl ---------------------------------------------------------------------------
245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
246 dnl ----------
247 dnl Add a library, used to enforce consistency.
248 dnl
249 dnl $1 = library to add, without the "-l"
250 dnl $2 = variable to update (default $LIBS)
251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
254 dnl -------------
255 dnl     Adds to the library-path
256 dnl
257 dnl     Some machines have trouble with multiple -L options.
258 dnl
259 dnl $1 is the (list of) directory(s) to add
260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
261 dnl
262 AC_DEFUN([CF_ADD_LIBDIR],
263 [
264 if test -n "$1" ; then
265   for cf_add_libdir in $1
266   do
267     if test $cf_add_libdir = /usr/lib ; then
268       :
269     elif test -d $cf_add_libdir
270     then
271       cf_have_libdir=no
272       if test -n "$LDFLAGS$LIBS" ; then
273         # a loop is needed to ensure we can add subdirs of existing dirs
274         for cf_test_libdir in $LDFLAGS $LIBS ; do
275           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
276             cf_have_libdir=yes; break
277           fi
278         done
279       fi
280       if test "$cf_have_libdir" = no ; then
281         CF_VERBOSE(adding $cf_add_libdir to library-path)
282         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
283       fi
284     fi
285   done
286 fi
287 ])dnl
288 dnl ---------------------------------------------------------------------------
289 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
290 dnl -----------
291 dnl Add one or more libraries, used to enforce consistency.  Libraries are
292 dnl prepended to an existing list, since their dependencies are assumed to
293 dnl already exist in the list.
294 dnl
295 dnl $1 = libraries to add, with the "-l", etc.
296 dnl $2 = variable to update (default $LIBS)
297 AC_DEFUN([CF_ADD_LIBS],[
298 cf_add_libs="$1"
299 # Filter out duplicates - this happens with badly-designed ".pc" files...
300 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
301 do
302         for cf_add_2lib in $cf_add_libs
303         do
304                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
305                 then
306                         cf_add_1lib=
307                         break
308                 fi
309         done
310         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
311 done
312 ifelse($2,,LIBS,[$2])="$cf_add_libs"
313 ])dnl
314 dnl ---------------------------------------------------------------------------
315 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
316 dnl ------------------
317 dnl Append to a search-list for a nonstandard header/lib-file
318 dnl     $1 = the variable to return as result
319 dnl     $2 = the package name
320 dnl     $3 = the subdirectory, e.g., bin, include or lib
321 dnl $4 = the directory under which we will test for subdirectories
322 dnl $5 = a directory that we do not want $4 to match
323 AC_DEFUN([CF_ADD_SUBDIR_PATH],
324 [
325 test "x$4" != "x$5" && \
326 test -d "$4" && \
327 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
328         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
329         test -d $4/$3 &&          $1="[$]$1 $4/$3"
330         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
331         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
332         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
333         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
334 }
335 ])dnl
336 dnl ---------------------------------------------------------------------------
337 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
338 dnl --------------
339 dnl Allow user to disable a normally-on option.
340 AC_DEFUN([CF_ARG_DISABLE],
341 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
342 dnl ---------------------------------------------------------------------------
343 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
344 dnl -------------
345 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
346 dnl values.
347 dnl
348 dnl Parameters:
349 dnl $1 = option name
350 dnl $2 = help-string
351 dnl $3 = action to perform if option is not default
352 dnl $4 = action if perform if option is default
353 dnl $5 = default option value (either 'yes' or 'no')
354 AC_DEFUN([CF_ARG_OPTION],
355 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
356   if test "$enableval" != "$5" ; then
357 ifelse([$3],,[    :]dnl
358 ,[    $3]) ifelse([$4],,,[
359   else
360     $4])
361   fi],[enableval=$5 ifelse([$4],,,[
362   $4
363 ])dnl
364   ])])dnl
365 dnl ---------------------------------------------------------------------------
366 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
367 dnl -----------
368 dnl Check for suitable "ar" (archiver) options for updating an archive.
369 AC_DEFUN([CF_AR_FLAGS],[
370 AC_REQUIRE([CF_PROG_AR])
371
372 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
373         cf_cv_ar_flags=unknown
374         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
375         do
376
377                 # check if $ARFLAGS already contains this choice
378                 if test "x$ARFLAGS" != "x" ; then
379                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
380                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
381                                 cf_cv_ar_flags=
382                                 break
383                         fi
384                 fi
385
386                 rm -f conftest.$ac_cv_objext
387                 rm -f conftest.a
388
389                 cat >conftest.$ac_ext <<EOF
390 #line __oline__ "configure"
391 int     testdata[[3]] = { 123, 456, 789 };
392 EOF
393                 if AC_TRY_EVAL(ac_compile) ; then
394                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
395                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
396                         if test -f conftest.a ; then
397                                 cf_cv_ar_flags=$cf_ar_flags
398                                 break
399                         fi
400                 else
401                         CF_VERBOSE(cannot compile test-program)
402                         break
403                 fi
404         done
405         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
406 ])
407
408 if test -n "$ARFLAGS" ; then
409         if test -n "$cf_cv_ar_flags" ; then
410                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
411         fi
412 else
413         ARFLAGS=$cf_cv_ar_flags
414 fi
415
416 AC_SUBST(ARFLAGS)
417 ])
418 dnl ---------------------------------------------------------------------------
419 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
420 dnl -----------
421 dnl If we're cross-compiling, allow the user to override the tools and their
422 dnl options.  The configure script is oriented toward identifying the host
423 dnl compiler, etc., but we need a build compiler to generate parts of the
424 dnl source.
425 dnl
426 dnl $1 = default for $CPPFLAGS
427 dnl $2 = default for $LIBS
428 AC_DEFUN([CF_BUILD_CC],[
429 CF_ACVERSION_CHECK(2.52,,
430         [AC_REQUIRE([CF_PROG_EXT])])
431 if test "$cross_compiling" = yes ; then
432
433         # defaults that we might want to override
434         : ${BUILD_CFLAGS:=''}
435         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
436         : ${BUILD_LDFLAGS:=''}
437         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
438         : ${BUILD_EXEEXT:='$x'}
439         : ${BUILD_OBJEXT:='o'}
440
441         AC_ARG_WITH(build-cc,
442                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
443                 [BUILD_CC="$withval"],
444                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
445         AC_MSG_CHECKING(for native build C compiler)
446         AC_MSG_RESULT($BUILD_CC)
447
448         AC_MSG_CHECKING(for native build C preprocessor)
449         AC_ARG_WITH(build-cpp,
450                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
451                 [BUILD_CPP="$withval"],
452                 [BUILD_CPP='${BUILD_CC} -E'])
453         AC_MSG_RESULT($BUILD_CPP)
454
455         AC_MSG_CHECKING(for native build C flags)
456         AC_ARG_WITH(build-cflags,
457                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
458                 [BUILD_CFLAGS="$withval"])
459         AC_MSG_RESULT($BUILD_CFLAGS)
460
461         AC_MSG_CHECKING(for native build C preprocessor-flags)
462         AC_ARG_WITH(build-cppflags,
463                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
464                 [BUILD_CPPFLAGS="$withval"])
465         AC_MSG_RESULT($BUILD_CPPFLAGS)
466
467         AC_MSG_CHECKING(for native build linker-flags)
468         AC_ARG_WITH(build-ldflags,
469                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
470                 [BUILD_LDFLAGS="$withval"])
471         AC_MSG_RESULT($BUILD_LDFLAGS)
472
473         AC_MSG_CHECKING(for native build linker-libraries)
474         AC_ARG_WITH(build-libs,
475                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
476                 [BUILD_LIBS="$withval"])
477         AC_MSG_RESULT($BUILD_LIBS)
478
479         # this assumes we're on Unix.
480         BUILD_EXEEXT=
481         BUILD_OBJEXT=o
482
483         : ${BUILD_CC:='${CC}'}
484
485         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
486                 AC_MSG_ERROR([Cross-build requires two compilers.
487 Use --with-build-cc to specify the native compiler.])
488         fi
489
490 else
491         : ${BUILD_CC:='${CC}'}
492         : ${BUILD_CPP:='${CPP}'}
493         : ${BUILD_CFLAGS:='${CFLAGS}'}
494         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
495         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
496         : ${BUILD_LIBS:='${LIBS}'}
497         : ${BUILD_EXEEXT:='$x'}
498         : ${BUILD_OBJEXT:='o'}
499 fi
500
501 AC_SUBST(BUILD_CC)
502 AC_SUBST(BUILD_CPP)
503 AC_SUBST(BUILD_CFLAGS)
504 AC_SUBST(BUILD_CPPFLAGS)
505 AC_SUBST(BUILD_LDFLAGS)
506 AC_SUBST(BUILD_LIBS)
507 AC_SUBST(BUILD_EXEEXT)
508 AC_SUBST(BUILD_OBJEXT)
509 ])dnl
510 dnl ---------------------------------------------------------------------------
511 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
512 dnl ---------------
513 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
514 dnl into CC.  This will not help with broken scripts that wrap the compiler with
515 dnl options, but eliminates a more common category of user confusion.
516 AC_DEFUN([CF_CC_ENV_FLAGS],
517 [
518 # This should have been defined by AC_PROG_CC
519 : ${CC:=cc}
520
521 AC_MSG_CHECKING(\$CC variable)
522 case "$CC" in #(vi
523 *[[\ \  ]]-[[IUD]]*)
524         AC_MSG_RESULT(broken)
525         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
526         # humor him...
527         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
528         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
529         CF_ADD_CFLAGS($cf_flags)
530         ;;
531 *)
532         AC_MSG_RESULT(ok)
533         ;;
534 esac
535 ])dnl
536 dnl ---------------------------------------------------------------------------
537 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
538 dnl ---------------
539 dnl Determine the default configuration into which we'll install ncurses.  This
540 dnl can be overridden by the user's command-line options.  There's two items to
541 dnl look for:
542 dnl     1. the prefix (e.g., /usr)
543 dnl     2. the header files (e.g., /usr/include/ncurses)
544 dnl We'll look for a previous installation of ncurses and use the same defaults.
545 dnl
546 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
547 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
548 dnl programs from a vendor's.
549 AC_DEFUN([CF_CFG_DEFAULTS],
550 [
551 AC_MSG_CHECKING(for prefix)
552 if test "x$prefix" = "xNONE" ; then
553         case "$cf_cv_system_name" in
554                 # non-vendor systems don't have a conflict
555         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
556                 prefix=/usr
557                 ;;
558         *)      prefix=$ac_default_prefix
559                 ;;
560         esac
561 fi
562 AC_MSG_RESULT($prefix)
563
564 if test "x$prefix" = "xNONE" ; then
565 AC_MSG_CHECKING(for default include-directory)
566 test -n "$verbose" && echo 1>&AC_FD_MSG
567 for cf_symbol in \
568         $includedir \
569         $includedir/ncurses \
570         $prefix/include \
571         $prefix/include/ncurses \
572         /usr/local/include \
573         /usr/local/include/ncurses \
574         /usr/include \
575         /usr/include/ncurses
576 do
577         cf_dir=`eval echo $cf_symbol`
578         if test -f $cf_dir/curses.h ; then
579         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
580                 includedir="$cf_symbol"
581                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
582                 break
583         fi
584         fi
585         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
586 done
587 AC_MSG_RESULT($includedir)
588 fi
589 ])dnl
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
592 dnl --------------
593 dnl Check if we're accidentally using a cache from a different machine.
594 dnl Derive the system name, as a check for reusing the autoconf cache.
595 dnl
596 dnl If we've packaged config.guess and config.sub, run that (since it does a
597 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
598 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
599 dnl which is useful in cross-compiles.
600 dnl
601 dnl Note: we would use $ac_config_sub, but that is one of the places where
602 dnl autoconf 2.5x broke compatibility with autoconf 2.13
603 AC_DEFUN([CF_CHECK_CACHE],
604 [
605 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
606         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
607         system_name="$host_os"
608 else
609         system_name="`(uname -s -r) 2>/dev/null`"
610         if test -z "$system_name" ; then
611                 system_name="`(hostname) 2>/dev/null`"
612         fi
613 fi
614 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
615 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
616
617 test -z "$system_name" && system_name="$cf_cv_system_name"
618 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
619
620 if test ".$system_name" != ".$cf_cv_system_name" ; then
621         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
622         AC_MSG_ERROR("Please remove config.cache and try again.")
623 fi
624 ])dnl
625 dnl ---------------------------------------------------------------------------
626 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
627 dnl -----------------
628 dnl Check if the given compiler is really clang.  clang's C driver defines
629 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
630 dnl not ignore some gcc options.
631 dnl
632 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
633 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
634 dnl the wrappers for gcc and g++ warnings.
635 dnl
636 dnl $1 = GCC (default) or GXX
637 dnl $2 = CLANG_COMPILER (default)
638 dnl $3 = CFLAGS (default) or CXXFLAGS
639 AC_DEFUN([CF_CLANG_COMPILER],[
640 ifelse([$2],,CLANG_COMPILER,[$2])=no
641
642 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
643         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
644         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
645         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
646         AC_TRY_COMPILE([],[
647 #ifdef __clang__
648 #else
649 make an error
650 #endif
651 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
652 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
653 ],[])
654         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
655         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
656 fi
657 ])
658 dnl ---------------------------------------------------------------------------
659 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
660 dnl ----------------
661 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
662 dnl variations of ncurses' installs.
663 dnl
664 dnl $1 = ncurses when looking for ncurses, or is empty
665 AC_DEFUN([CF_CURSES_HEADER],[
666 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
667 cf_cv_ncurses_header=none
668 for cf_header in ifelse($1,,,[ \
669     $1/ncurses.h \
670         $1/curses.h]) \
671         ncurses.h \
672         curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
673 do
674 AC_TRY_COMPILE([#include <${cf_header}>],
675         [initscr(); tgoto("?", 0,0)],
676         [cf_cv_ncurses_header=$cf_header; break],[])
677 done
678 ])
679
680 if test "$cf_cv_ncurses_header" = none ; then
681         AC_MSG_ERROR(No curses header-files found)
682 fi
683
684 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
685 AC_CHECK_HEADERS($cf_cv_ncurses_header)
686 ])dnl
687 dnl ---------------------------------------------------------------------------
688 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
689 dnl ----------
690 dnl "dirname" is not portable, so we fake it with a shell script.
691 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
692 dnl ---------------------------------------------------------------------------
693 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
694 dnl ---------------
695 dnl You can always use "make -n" to see the actual options, but it's hard to
696 dnl pick out/analyze warning messages when the compile-line is long.
697 dnl
698 dnl Sets:
699 dnl     ECHO_LT - symbol to control if libtool is verbose
700 dnl     ECHO_LD - symbol to prefix "cc -o" lines
701 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
702 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
703 dnl     ECHO_CC - symbol to put before any "cc" line
704 dnl
705 AC_DEFUN([CF_DISABLE_ECHO],[
706 AC_MSG_CHECKING(if you want to see long compiling messages)
707 CF_ARG_DISABLE(echo,
708         [  --disable-echo          do not display "compiling" commands],
709         [
710     ECHO_LT='--silent'
711     ECHO_LD='@echo linking [$]@;'
712     RULE_CC='@echo compiling [$]<'
713     SHOW_CC='@echo compiling [$]@'
714     ECHO_CC='@'
715 ],[
716     ECHO_LT=''
717     ECHO_LD=''
718     RULE_CC=''
719     SHOW_CC=''
720     ECHO_CC=''
721 ])
722 AC_MSG_RESULT($enableval)
723 AC_SUBST(ECHO_LT)
724 AC_SUBST(ECHO_LD)
725 AC_SUBST(RULE_CC)
726 AC_SUBST(SHOW_CC)
727 AC_SUBST(ECHO_CC)
728 ])dnl
729 dnl ---------------------------------------------------------------------------
730 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
731 dnl ------------------------
732 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
733 AC_MSG_CHECKING(if we want to use GNAT projects)
734 CF_ARG_DISABLE(gnat-projects,
735         [  --disable-gnat-projects test: disable GNAT projects even if usable],
736         [enable_gnat_projects=no],
737         [enable_gnat_projects=yes])
738 AC_MSG_RESULT($enable_gnat_projects)
739 ])dnl
740 dnl ---------------------------------------------------------------------------
741 dnl CF_ENABLE_PC_FILES version: 10 updated: 2014/12/13 18:48:46
742 dnl ------------------
743 dnl This is the "--enable-pc-files" option, which is available if there is a
744 dnl pkg-config configuration on the local machine.
745 AC_DEFUN([CF_ENABLE_PC_FILES],[
746 AC_REQUIRE([CF_PKG_CONFIG])
747 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
748
749 if test "x$PKG_CONFIG" != xnone
750 then
751         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
752 else
753         AC_MSG_CHECKING(if we should install .pc files)
754 fi
755
756 AC_ARG_ENABLE(pc-files,
757         [  --enable-pc-files       generate and install .pc files for pkg-config],
758         [enable_pc_files=$enableval],
759         [enable_pc_files=no])
760 AC_MSG_RESULT($enable_pc_files)
761 if test "x$enable_pc_files" != xno
762 then
763         CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
764         MAKE_PC_FILES=
765 else
766         MAKE_PC_FILES="#"
767 fi
768 AC_SUBST(MAKE_PC_FILES)
769 ])dnl
770 dnl ---------------------------------------------------------------------------
771 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
772 dnl ---------------
773 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
774 dnl prefer a standard location, and use -L options only if we do not find the
775 dnl library in the standard library location(s).
776 dnl     $1 = library name
777 dnl     $2 = library class, usually the same as library name
778 dnl     $3 = includes
779 dnl     $4 = code fragment to compile/link
780 dnl     $5 = corresponding function-name
781 dnl     $6 = flag, nonnull if failure should not cause an error-exit
782 dnl
783 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
784 dnl to use a -L option.
785 AC_DEFUN([CF_FIND_LIBRARY],
786 [
787         eval 'cf_cv_have_lib_'$1'=no'
788         cf_libdir=""
789         AC_CHECK_FUNC($5,
790                 eval 'cf_cv_have_lib_'$1'=yes',[
791                 cf_save_LIBS="$LIBS"
792                 AC_MSG_CHECKING(for $5 in -l$1)
793                 LIBS="-l$1 $LIBS"
794                 AC_TRY_LINK([$3],[$4],
795                         [AC_MSG_RESULT(yes)
796                          eval 'cf_cv_have_lib_'$1'=yes'
797                         ],
798                         [AC_MSG_RESULT(no)
799                         CF_LIBRARY_PATH(cf_search,$2)
800                         for cf_libdir in $cf_search
801                         do
802                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
803                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
804                                 AC_TRY_LINK([$3],[$4],
805                                         [AC_MSG_RESULT(yes)
806                                          eval 'cf_cv_have_lib_'$1'=yes'
807                                          break],
808                                         [AC_MSG_RESULT(no)
809                                          LIBS="$cf_save_LIBS"])
810                         done
811                         ])
812                 ])
813 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
814 ifelse($6,,[
815 if test $cf_found_library = no ; then
816         AC_MSG_ERROR(Cannot link $1 library)
817 fi
818 ])
819 ])dnl
820 dnl ---------------------------------------------------------------------------
821 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
822 dnl ---------------
823 dnl Find a library (specifically the linkage used in the code fragment),
824 dnl searching for it if it is not already in the library path.
825 dnl See also CF_ADD_SEARCHPATH.
826 dnl
827 dnl Parameters (4-on are optional):
828 dnl     $1 = headers for library entrypoint
829 dnl     $2 = code fragment for library entrypoint
830 dnl     $3 = the library name without the "-l" option or ".so" suffix.
831 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
832 dnl     $5 = action to perform if not successful
833 dnl     $6 = module name, if not the same as the library name
834 dnl     $7 = extra libraries
835 dnl
836 dnl Sets these variables:
837 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
838 dnl     $cf_cv_header_path_$3 - include-directory if needed
839 dnl     $cf_cv_library_path_$3 - library-directory if needed
840 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
841 AC_DEFUN([CF_FIND_LINKAGE],[
842
843 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
844 # will be set on completion of the AC_TRY_LINK below.
845 cf_cv_header_path_$3=
846 cf_cv_library_path_$3=
847
848 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
849
850 cf_save_LIBS="$LIBS"
851
852 AC_TRY_LINK([$1],[$2],[
853         cf_cv_find_linkage_$3=yes
854         cf_cv_header_path_$3=/usr/include
855         cf_cv_library_path_$3=/usr/lib
856 ],[
857
858 LIBS="-l$3 $7 $cf_save_LIBS"
859
860 AC_TRY_LINK([$1],[$2],[
861         cf_cv_find_linkage_$3=yes
862         cf_cv_header_path_$3=/usr/include
863         cf_cv_library_path_$3=/usr/lib
864         cf_cv_library_file_$3="-l$3"
865 ],[
866         cf_cv_find_linkage_$3=no
867         LIBS="$cf_save_LIBS"
868
869     CF_VERBOSE(find linkage for $3 library)
870     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
871
872     cf_save_CPPFLAGS="$CPPFLAGS"
873     cf_test_CPPFLAGS="$CPPFLAGS"
874
875     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
876     for cf_cv_header_path_$3 in $cf_search
877     do
878       if test -d $cf_cv_header_path_$3 ; then
879         CF_VERBOSE(... testing $cf_cv_header_path_$3)
880         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
881         AC_TRY_COMPILE([$1],[$2],[
882             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
883             cf_cv_find_linkage_$3=maybe
884             cf_test_CPPFLAGS="$CPPFLAGS"
885             break],[
886             CPPFLAGS="$cf_save_CPPFLAGS"
887             ])
888       fi
889     done
890
891     if test "$cf_cv_find_linkage_$3" = maybe ; then
892
893       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
894
895       cf_save_LIBS="$LIBS"
896       cf_save_LDFLAGS="$LDFLAGS"
897
898       ifelse([$6],,,[
899         CPPFLAGS="$cf_test_CPPFLAGS"
900         LIBS="-l$3 $7 $cf_save_LIBS"
901         AC_TRY_LINK([$1],[$2],[
902             CF_VERBOSE(... found $3 library in system)
903             cf_cv_find_linkage_$3=yes])
904             CPPFLAGS="$cf_save_CPPFLAGS"
905             LIBS="$cf_save_LIBS"
906             ])
907
908       if test "$cf_cv_find_linkage_$3" != yes ; then
909         CF_LIBRARY_PATH(cf_search,$3)
910         for cf_cv_library_path_$3 in $cf_search
911         do
912           if test -d $cf_cv_library_path_$3 ; then
913             CF_VERBOSE(... testing $cf_cv_library_path_$3)
914             CPPFLAGS="$cf_test_CPPFLAGS"
915             LIBS="-l$3 $7 $cf_save_LIBS"
916             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
917             AC_TRY_LINK([$1],[$2],[
918                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
919                 cf_cv_find_linkage_$3=yes
920                 cf_cv_library_file_$3="-l$3"
921                 break],[
922                 CPPFLAGS="$cf_save_CPPFLAGS"
923                 LIBS="$cf_save_LIBS"
924                 LDFLAGS="$cf_save_LDFLAGS"
925                 ])
926           fi
927         done
928         CPPFLAGS="$cf_save_CPPFLAGS"
929         LDFLAGS="$cf_save_LDFLAGS"
930       fi
931
932     else
933       cf_cv_find_linkage_$3=no
934     fi
935     ],$7)
936 ])
937
938 LIBS="$cf_save_LIBS"
939
940 if test "$cf_cv_find_linkage_$3" = yes ; then
941 ifelse([$4],,[
942         CF_ADD_INCDIR($cf_cv_header_path_$3)
943         CF_ADD_LIBDIR($cf_cv_library_path_$3)
944         CF_ADD_LIB($3)
945 ],[$4])
946 else
947 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
948 fi
949 ])dnl
950 dnl ---------------------------------------------------------------------------
951 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
952 dnl -----------------
953 dnl make ADAFLAGS consistent with CFLAGS
954 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
955         AC_MSG_CHECKING(optimization options for ADAFLAGS)
956         case "$CFLAGS" in
957         *-g*)
958                 CF_ADD_ADAFLAGS(-g)
959                 ;;
960         esac
961         case "$CFLAGS" in
962         *-O*)
963                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
964                 CF_ADD_ADAFLAGS($cf_O_flag)
965                 ;;
966         esac
967         AC_MSG_RESULT($ADAFLAGS)
968 ])dnl
969 dnl ---------------------------------------------------------------------------
970 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
971 dnl -----------------
972 dnl Test for availability of useful gcc __attribute__ directives to quiet
973 dnl compiler warnings.  Though useful, not all are supported -- and contrary
974 dnl to documentation, unrecognized directives cause older compilers to barf.
975 AC_DEFUN([CF_GCC_ATTRIBUTES],
976 [
977 if test "$GCC" = yes
978 then
979 cat > conftest.i <<EOF
980 #ifndef GCC_PRINTF
981 #define GCC_PRINTF 0
982 #endif
983 #ifndef GCC_SCANF
984 #define GCC_SCANF 0
985 #endif
986 #ifndef GCC_NORETURN
987 #define GCC_NORETURN /* nothing */
988 #endif
989 #ifndef GCC_UNUSED
990 #define GCC_UNUSED /* nothing */
991 #endif
992 EOF
993 if test "$GCC" = yes
994 then
995         AC_CHECKING([for $CC __attribute__ directives])
996 cat > conftest.$ac_ext <<EOF
997 #line __oline__ "${as_me:-configure}"
998 #include "confdefs.h"
999 #include "conftest.h"
1000 #include "conftest.i"
1001 #if     GCC_PRINTF
1002 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1003 #else
1004 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1005 #endif
1006 #if     GCC_SCANF
1007 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1008 #else
1009 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1010 #endif
1011 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1012 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1013 extern void foo(void) GCC_NORETURN;
1014 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1015 EOF
1016         cf_printf_attribute=no
1017         cf_scanf_attribute=no
1018         for cf_attribute in scanf printf unused noreturn
1019         do
1020                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1021                 cf_directive="__attribute__(($cf_attribute))"
1022                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1023
1024                 case $cf_attribute in #(vi
1025                 printf) #(vi
1026                         cf_printf_attribute=yes
1027                         cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1029 EOF
1030                         ;;
1031                 scanf) #(vi
1032                         cf_scanf_attribute=yes
1033                         cat >conftest.h <<EOF
1034 #define GCC_$cf_ATTRIBUTE 1
1035 EOF
1036                         ;;
1037                 *) #(vi
1038                         cat >conftest.h <<EOF
1039 #define GCC_$cf_ATTRIBUTE $cf_directive
1040 EOF
1041                         ;;
1042                 esac
1043
1044                 if AC_TRY_EVAL(ac_compile); then
1045                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1046                         cat conftest.h >>confdefs.h
1047                         case $cf_attribute in #(vi
1048                         noreturn) #(vi
1049                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1050                                 ;;
1051                         printf) #(vi
1052                                 cf_value='/* nothing */'
1053                                 if test "$cf_printf_attribute" != no ; then
1054                                         cf_value='__attribute__((format(printf,fmt,var)))'
1055                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1056                                 fi
1057                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1058                                 ;;
1059                         scanf) #(vi
1060                                 cf_value='/* nothing */'
1061                                 if test "$cf_scanf_attribute" != no ; then
1062                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1063                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1064                                 fi
1065                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1066                                 ;;
1067                         unused) #(vi
1068                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1069                                 ;;
1070                         esac
1071                 fi
1072         done
1073 else
1074         fgrep define conftest.i >>confdefs.h
1075 fi
1076 rm -rf conftest*
1077 fi
1078 ])dnl
1079 dnl ---------------------------------------------------------------------------
1080 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1081 dnl --------------
1082 dnl Find version of gcc
1083 AC_DEFUN([CF_GCC_VERSION],[
1084 AC_REQUIRE([AC_PROG_CC])
1085 GCC_VERSION=none
1086 if test "$GCC" = yes ; then
1087         AC_MSG_CHECKING(version of $CC)
1088         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1089         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1090         AC_MSG_RESULT($GCC_VERSION)
1091 fi
1092 ])dnl
1093 dnl ---------------------------------------------------------------------------
1094 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1095 dnl ---------------
1096 dnl Check if the compiler supports useful warning options.  There's a few that
1097 dnl we don't use, simply because they're too noisy:
1098 dnl
1099 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1100 dnl     -Wredundant-decls (system headers make this too noisy)
1101 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1102 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1103 dnl             is enabled for ncurses using "--enable-const".
1104 dnl     -pedantic
1105 dnl
1106 dnl Parameter:
1107 dnl     $1 is an optional list of gcc warning flags that a particular
1108 dnl             application might want to use, e.g., "no-unused" for
1109 dnl             -Wno-unused
1110 dnl Special:
1111 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1112 dnl
1113 AC_DEFUN([CF_GCC_WARNINGS],
1114 [
1115 AC_REQUIRE([CF_GCC_VERSION])
1116 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1117 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1118
1119 cat > conftest.$ac_ext <<EOF
1120 #line __oline__ "${as_me:-configure}"
1121 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1122 EOF
1123
1124 if test "$INTEL_COMPILER" = yes
1125 then
1126 # The "-wdXXX" options suppress warnings:
1127 # remark #1419: external declaration in primary source file
1128 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1129 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1130 # remark #193: zero used for undefined preprocessing identifier
1131 # remark #593: variable "curs_sb_left_arrow" was set but never used
1132 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1133 # remark #869: parameter "tw" was never referenced
1134 # remark #981: operands are evaluated in unspecified order
1135 # warning #279: controlling expression is constant
1136
1137         AC_CHECKING([for $CC warning options])
1138         cf_save_CFLAGS="$CFLAGS"
1139         EXTRA_CFLAGS="-Wall"
1140         for cf_opt in \
1141                 wd1419 \
1142                 wd1683 \
1143                 wd1684 \
1144                 wd193 \
1145                 wd593 \
1146                 wd279 \
1147                 wd810 \
1148                 wd869 \
1149                 wd981
1150         do
1151                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1152                 if AC_TRY_EVAL(ac_compile); then
1153                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1154                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1155                 fi
1156         done
1157         CFLAGS="$cf_save_CFLAGS"
1158
1159 elif test "$GCC" = yes
1160 then
1161         AC_CHECKING([for $CC warning options])
1162         cf_save_CFLAGS="$CFLAGS"
1163         EXTRA_CFLAGS=
1164         cf_warn_CONST=""
1165         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1166         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1167         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1168         for cf_opt in W Wall \
1169                 Wbad-function-cast \
1170                 Wcast-align \
1171                 Wcast-qual \
1172                 Wdeclaration-after-statement \
1173                 Wextra \
1174                 Winline \
1175                 Wmissing-declarations \
1176                 Wmissing-prototypes \
1177                 Wnested-externs \
1178                 Wpointer-arith \
1179                 Wshadow \
1180                 Wstrict-prototypes \
1181                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1182         do
1183                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1184                 if AC_TRY_EVAL(ac_compile); then
1185                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1186                         case $cf_opt in #(vi
1187                         Wcast-qual) #(vi
1188                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1189                                 ;;
1190                         Winline) #(vi
1191                                 case $GCC_VERSION in
1192                                 [[34]].*)
1193                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1194                                         continue;;
1195                                 esac
1196                                 ;;
1197                         Wpointer-arith) #(vi
1198                                 case $GCC_VERSION in
1199                                 [[12]].*)
1200                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1201                                         continue;;
1202                                 esac
1203                                 ;;
1204                         esac
1205                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1206                 fi
1207         done
1208         CFLAGS="$cf_save_CFLAGS"
1209 fi
1210 rm -rf conftest*
1211
1212 AC_SUBST(EXTRA_CFLAGS)
1213 ])dnl
1214 dnl ---------------------------------------------------------------------------
1215 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1216 dnl -----------------
1217 AC_DEFUN([CF_GNATPREP_OPT_T],[
1218 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1219 cf_cv_gnatprep_opt_t=no
1220 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1221 ])
1222 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1223 AC_SUBST(GNATPREP_OPTS)
1224 ])dnl
1225 dnl ---------------------------------------------------------------------------
1226 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1227 dnl ----------------
1228 AC_DEFUN([CF_GNAT_GENERICS],
1229 [
1230 AC_REQUIRE([CF_GNAT_VERSION])
1231
1232 AC_MSG_CHECKING(if GNAT supports generics)
1233 case $cf_gnat_version in #(vi
1234 3.[[1-9]]*|[[4-9]].*) #(vi
1235         cf_gnat_generics=yes
1236         ;;
1237 *)
1238         cf_gnat_generics=no
1239         ;;
1240 esac
1241 AC_MSG_RESULT($cf_gnat_generics)
1242
1243 if test "$cf_gnat_generics" = yes
1244 then
1245         cf_compile_generics=generics
1246         cf_generic_objects="\${GENOBJS}"
1247 else
1248         cf_compile_generics=
1249         cf_generic_objects=
1250 fi
1251
1252 AC_SUBST(cf_compile_generics)
1253 AC_SUBST(cf_generic_objects)
1254 ])dnl
1255 dnl ---------------------------------------------------------------------------
1256 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1257 dnl ----------------
1258 dnl GNAT projects are configured with ".gpr" project files.
1259 dnl GNAT libraries are a further development, using the project feature.
1260 AC_DEFUN([CF_GNAT_PROJECTS],
1261 [
1262 AC_REQUIRE([CF_GNAT_VERSION])
1263 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1264
1265 cf_gnat_libraries=no
1266 cf_gnat_projects=no
1267
1268 if test "$enable_gnat_projects" != no ; then
1269 AC_MSG_CHECKING(if GNAT supports project files)
1270 case $cf_gnat_version in #(vi
1271 3.[[0-9]]*) #(vi
1272         ;;
1273 *)
1274         case $cf_cv_system_name in #(vi
1275         cygwin*|msys*) #(vi
1276                 ;;
1277         *)
1278                 mkdir conftest.src conftest.bin conftest.lib
1279                 cd conftest.src
1280                 rm -rf conftest* *~conftest*
1281                 cat >>library.gpr <<CF_EOF
1282 project Library is
1283   Kind := External ("LIB_KIND");
1284   for Library_Name use "ConfTest";
1285   for Object_Dir use ".";
1286   for Library_ALI_Dir use External("LIBRARY_DIR");
1287   for Library_Version use External ("SONAME");
1288   for Library_Kind use Kind;
1289   for Library_Dir use External("BUILD_DIR");
1290   Source_Dir := External ("SOURCE_DIR");
1291   for Source_Dirs use (Source_Dir);
1292 end Library;
1293 CF_EOF
1294                 cat >>confpackage.ads <<CF_EOF
1295 package ConfPackage is
1296    procedure conftest;
1297 end ConfPackage;
1298 CF_EOF
1299                 cat >>confpackage.adb <<CF_EOF
1300 with Text_IO;
1301 package body ConfPackage is
1302    procedure conftest is
1303    begin
1304       Text_IO.Put ("Hello World");
1305       Text_IO.New_Line;
1306    end conftest;
1307 end ConfPackage;
1308 CF_EOF
1309                 if ( $cf_ada_make $ADAFLAGS \
1310                                 -Plibrary.gpr \
1311                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1312                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1313                                 -XSOURCE_DIR=`pwd` \
1314                                 -XSONAME=libConfTest.so.1 \
1315                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1316                         cf_gnat_projects=yes
1317                 fi
1318                 cd ..
1319                 if test -f conftest.lib/confpackage.ali
1320                 then
1321                         cf_gnat_libraries=yes
1322                 fi
1323                 rm -rf conftest* *~conftest*
1324                 ;;
1325         esac
1326         ;;
1327 esac
1328 AC_MSG_RESULT($cf_gnat_projects)
1329 fi # enable_gnat_projects
1330
1331 if test $cf_gnat_projects = yes
1332 then
1333         AC_MSG_CHECKING(if GNAT supports libraries)
1334         AC_MSG_RESULT($cf_gnat_libraries)
1335 fi
1336
1337 if test "$cf_gnat_projects" = yes
1338 then
1339         USE_OLD_MAKERULES="#"
1340         USE_GNAT_PROJECTS=""
1341 else
1342         USE_OLD_MAKERULES=""
1343         USE_GNAT_PROJECTS="#"
1344 fi
1345
1346 if test "$cf_gnat_libraries" = yes
1347 then
1348         USE_GNAT_LIBRARIES=""
1349 else
1350         USE_GNAT_LIBRARIES="#"
1351 fi
1352
1353 AC_SUBST(USE_OLD_MAKERULES)
1354 AC_SUBST(USE_GNAT_PROJECTS)
1355 AC_SUBST(USE_GNAT_LIBRARIES)
1356 ])dnl
1357 dnl ---------------------------------------------------------------------------
1358 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1359 dnl --------------
1360 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1361 dnl is noted that gnat may compile a tasking unit even for configurations which
1362 dnl fail at runtime.
1363 AC_DEFUN([CF_GNAT_SIGINT],[
1364 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1365 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1366
1367 package ConfTest is
1368
1369    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1370    pragma Unreserve_All_Interrupts;
1371    pragma Warnings (On);
1372
1373    protected Process is
1374       procedure Stop;
1375       function Continue return Boolean;
1376       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1377    private
1378       Done : Boolean := False;
1379    end Process;
1380
1381 end ConfTest;],
1382 [package body ConfTest is
1383    protected body Process is
1384       procedure Stop is
1385       begin
1386          Done := True;
1387       end Stop;
1388       function Continue return Boolean is
1389       begin
1390          return not Done;
1391       end Continue;
1392    end Process;
1393 end ConfTest;],
1394         [cf_cv_gnat_sigint=yes],
1395         [cf_cv_gnat_sigint=no])])
1396
1397 if test $cf_cv_gnat_sigint = yes ; then
1398         USE_GNAT_SIGINT=""
1399 else
1400         USE_GNAT_SIGINT="#"
1401 fi
1402 AC_SUBST(USE_GNAT_SIGINT)
1403 ])dnl
1404 dnl ---------------------------------------------------------------------------
1405 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1406 dnl ----------------
1407 dnl Verify that a test program compiles/links with GNAT.
1408 dnl $cf_ada_make is set to the program that compiles/links
1409 dnl $ADAFLAGS may be set to the GNAT flags.
1410 dnl
1411 dnl $1 is the text of the spec
1412 dnl $2 is the text of the body
1413 dnl $3 is the shell command to execute if successful
1414 dnl $4 is the shell command to execute if not successful
1415 AC_DEFUN([CF_GNAT_TRY_LINK],
1416 [
1417 rm -rf conftest* *~conftest*
1418 cat >>conftest.ads <<CF_EOF
1419 $1
1420 CF_EOF
1421 cat >>conftest.adb <<CF_EOF
1422 $2
1423 CF_EOF
1424 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1425 ifelse($3,,      :,[      $3])
1426 ifelse($4,,,[else
1427    $4])
1428 fi
1429 rm -rf conftest* *~conftest*
1430 ])dnl
1431 dnl ---------------------------------------------------------------------------
1432 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1433 dnl ---------------
1434 dnl Verify that a test program compiles and runs with GNAT
1435 dnl $cf_ada_make is set to the program that compiles/links
1436 dnl $ADAFLAGS may be set to the GNAT flags.
1437 dnl
1438 dnl $1 is the text of the spec
1439 dnl $2 is the text of the body
1440 dnl $3 is the shell command to execute if successful
1441 dnl $4 is the shell command to execute if not successful
1442 AC_DEFUN([CF_GNAT_TRY_RUN],
1443 [
1444 rm -rf conftest* *~conftest*
1445 cat >>conftest.ads <<CF_EOF
1446 $1
1447 CF_EOF
1448 cat >>conftest.adb <<CF_EOF
1449 $2
1450 CF_EOF
1451 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1452    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1453 ifelse($3,,      :,[      $3])
1454 ifelse($4,,,[   else
1455       $4])
1456    fi
1457 ifelse($4,,,[else
1458    $4])
1459 fi
1460 rm -rf conftest* *~conftest*
1461 ])dnl
1462 dnl ---------------------------------------------------------------------------
1463 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1464 dnl ---------------
1465 dnl Verify version of GNAT.
1466 AC_DEFUN([CF_GNAT_VERSION],
1467 [
1468 AC_MSG_CHECKING(for gnat version)
1469 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1470         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1471     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1472 AC_MSG_RESULT($cf_gnat_version)
1473
1474 case $cf_gnat_version in #(vi
1475 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1476         cf_cv_prog_gnat_correct=yes
1477         ;;
1478 *)
1479         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1480         cf_cv_prog_gnat_correct=no
1481         ;;
1482 esac
1483 ])
1484 dnl ---------------------------------------------------------------------------
1485 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1486 dnl -------------
1487 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1488 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1489 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1490 dnl since it is interwoven with GNU extensions.
1491 dnl
1492 dnl Well, yes we could work around it...
1493 AC_DEFUN([CF_GNU_SOURCE],
1494 [
1495 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1496 AC_TRY_COMPILE([#include <sys/types.h>],[
1497 #ifndef _XOPEN_SOURCE
1498 make an error
1499 #endif],
1500         [cf_cv_gnu_source=no],
1501         [cf_save="$CPPFLAGS"
1502          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1503          AC_TRY_COMPILE([#include <sys/types.h>],[
1504 #ifdef _XOPEN_SOURCE
1505 make an error
1506 #endif],
1507         [cf_cv_gnu_source=no],
1508         [cf_cv_gnu_source=yes])
1509         CPPFLAGS="$cf_save"
1510         ])
1511 ])
1512 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1513 ])dnl
1514 dnl ---------------------------------------------------------------------------
1515 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1516 dnl --------------
1517 dnl Construct a search-list of directories for a nonstandard header-file
1518 dnl
1519 dnl Parameters
1520 dnl     $1 = the variable to return as result
1521 dnl     $2 = the package name
1522 AC_DEFUN([CF_HEADER_PATH],
1523 [
1524 $1=
1525
1526 # collect the current set of include-directories from compiler flags
1527 cf_header_path_list=""
1528 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1529         for cf_header_path in $CPPFLAGS $CFLAGS
1530         do
1531                 case $cf_header_path in #(vi
1532                 -I*)
1533                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1534                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1535                         cf_header_path_list="$cf_header_path_list [$]$1"
1536                         ;;
1537                 esac
1538         done
1539 fi
1540
1541 # add the variations for the package we are looking for
1542 CF_SUBDIR_PATH($1,$2,include)
1543
1544 test "$includedir" != NONE && \
1545 test "$includedir" != "/usr/include" && \
1546 test -d "$includedir" && {
1547         test -d $includedir &&    $1="[$]$1 $includedir"
1548         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1549 }
1550
1551 test "$oldincludedir" != NONE && \
1552 test "$oldincludedir" != "/usr/include" && \
1553 test -d "$oldincludedir" && {
1554         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1555         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1556 }
1557
1558 $1="[$]$1 $cf_header_path_list"
1559 ])dnl
1560 dnl ---------------------------------------------------------------------------
1561 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1562 dnl ---------------
1563 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1564 AC_DEFUN([CF_HELP_MESSAGE],
1565 [AC_DIVERT_HELP([$1])dnl
1566 ])dnl
1567 dnl ---------------------------------------------------------------------------
1568 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1569 dnl ---------------
1570 dnl Construct the list of include-options according to whether we're building
1571 dnl in the source directory or using '--srcdir=DIR' option.
1572 AC_DEFUN([CF_INCLUDE_DIRS],
1573 [
1574 if test "$srcdir" != "."; then
1575         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1576 fi
1577 CPPFLAGS="-I../include $CPPFLAGS"
1578 if test "$srcdir" != "."; then
1579         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1580 fi
1581 CPPFLAGS="-I. $CPPFLAGS"
1582 AC_SUBST(CPPFLAGS)
1583 ])dnl
1584 dnl ---------------------------------------------------------------------------
1585 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1586 dnl -----------------
1587 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1588 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1589 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1590 dnl
1591 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1592 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1593 dnl the wrappers for gcc and g++ warnings.
1594 dnl
1595 dnl $1 = GCC (default) or GXX
1596 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1597 dnl $3 = CFLAGS (default) or CXXFLAGS
1598 AC_DEFUN([CF_INTEL_COMPILER],[
1599 AC_REQUIRE([AC_CANONICAL_HOST])
1600 ifelse([$2],,INTEL_COMPILER,[$2])=no
1601
1602 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1603         case $host_os in
1604         linux*|gnu*)
1605                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1606                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1607                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1608                 AC_TRY_COMPILE([],[
1609 #ifdef __INTEL_COMPILER
1610 #else
1611 make an error
1612 #endif
1613 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1614 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1615 ],[])
1616                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1617                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1618                 ;;
1619         esac
1620 fi
1621 ])dnl
1622 dnl ---------------------------------------------------------------------------
1623 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1624 dnl ------------
1625 dnl Add checks for large file support.
1626 AC_DEFUN([CF_LARGEFILE],[
1627 ifdef([AC_FUNC_FSEEKO],[
1628     AC_SYS_LARGEFILE
1629     if test "$enable_largefile" != no ; then
1630         AC_FUNC_FSEEKO
1631
1632         # Normally we would collect these definitions in the config.h,
1633         # but (like _XOPEN_SOURCE), some environments rely on having these
1634         # defined before any of the system headers are included.  Another
1635         # case comes up with C++, e.g., on AIX the compiler compiles the
1636         # header files by themselves before looking at the body files it is
1637         # told to compile.  For ncurses, those header files do not include
1638         # the config.h
1639         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1640         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1641         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1642
1643         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1644                 AC_TRY_COMPILE([
1645 #include <sys/types.h>
1646 #include <dirent.h>
1647                 ],[
1648                 /* if transitional largefile support is setup, this is true */
1649                 extern struct dirent64 * readdir(DIR *);
1650                 struct dirent64 *x = readdir((DIR *)0);
1651                 struct dirent *y = readdir((DIR *)0);
1652                 int z = x - y;
1653                 ],
1654                 [cf_cv_struct_dirent64=yes],
1655                 [cf_cv_struct_dirent64=no])
1656         ])
1657         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1658     fi
1659 ])
1660 ])
1661 dnl ---------------------------------------------------------------------------
1662 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1663 dnl ---------------
1664 dnl For the given system and compiler, find the compiler flags to pass to the
1665 dnl loader to use the "rpath" feature.
1666 AC_DEFUN([CF_LD_RPATH_OPT],
1667 [
1668 AC_REQUIRE([CF_CHECK_CACHE])
1669
1670 LD_RPATH_OPT=
1671 AC_MSG_CHECKING(for an rpath option)
1672 case $cf_cv_system_name in #(vi
1673 irix*) #(vi
1674         if test "$GCC" = yes; then
1675                 LD_RPATH_OPT="-Wl,-rpath,"
1676         else
1677                 LD_RPATH_OPT="-rpath "
1678         fi
1679         ;;
1680 linux*|gnu*|k*bsd*-gnu) #(vi
1681         LD_RPATH_OPT="-Wl,-rpath,"
1682         ;;
1683 openbsd[[2-9]].*|mirbsd*) #(vi
1684         LD_RPATH_OPT="-Wl,-rpath,"
1685         ;;
1686 dragonfly*|freebsd*) #(vi
1687         LD_RPATH_OPT="-rpath "
1688         ;;
1689 netbsd*) #(vi
1690         LD_RPATH_OPT="-Wl,-rpath,"
1691         ;;
1692 osf*|mls+*) #(vi
1693         LD_RPATH_OPT="-rpath "
1694         ;;
1695 solaris2*) #(vi
1696         LD_RPATH_OPT="-R"
1697         ;;
1698 *)
1699         ;;
1700 esac
1701 AC_MSG_RESULT($LD_RPATH_OPT)
1702
1703 case "x$LD_RPATH_OPT" in #(vi
1704 x-R*)
1705         AC_MSG_CHECKING(if we need a space after rpath option)
1706         cf_save_LIBS="$LIBS"
1707         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1708         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1709         LIBS="$cf_save_LIBS"
1710         AC_MSG_RESULT($cf_rpath_space)
1711         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1712         ;;
1713 esac
1714 ])dnl
1715 dnl ---------------------------------------------------------------------------
1716 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1717 dnl ---------------
1718 dnl Construct a search-list of directories for a nonstandard library-file
1719 dnl
1720 dnl Parameters
1721 dnl     $1 = the variable to return as result
1722 dnl     $2 = the package name
1723 AC_DEFUN([CF_LIBRARY_PATH],
1724 [
1725 $1=
1726 cf_library_path_list=""
1727 if test -n "${LDFLAGS}${LIBS}" ; then
1728         for cf_library_path in $LDFLAGS $LIBS
1729         do
1730                 case $cf_library_path in #(vi
1731                 -L*)
1732                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1733                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1734                         cf_library_path_list="$cf_library_path_list [$]$1"
1735                         ;;
1736                 esac
1737         done
1738 fi
1739
1740 CF_SUBDIR_PATH($1,$2,lib)
1741
1742 $1="$cf_library_path_list [$]$1"
1743 ])dnl
1744 dnl ---------------------------------------------------------------------------
1745 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1746 dnl -------------
1747 dnl Compute the library-prefix for the given host system
1748 dnl $1 = variable to set
1749 define([CF_LIB_PREFIX],
1750 [
1751         case $cf_cv_system_name in #(vi
1752         OS/2*|os2*) #(vi
1753         LIB_PREFIX=''
1754         ;;
1755         *)      LIB_PREFIX='lib'
1756         ;;
1757         esac
1758 ifelse($1,,,[$1=$LIB_PREFIX])
1759         AC_SUBST(LIB_PREFIX)
1760 ])dnl
1761 dnl ---------------------------------------------------------------------------
1762 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1763 dnl -------------
1764 dnl Compute the library file-suffix from the given model name
1765 dnl $1 = model name
1766 dnl $2 = variable to set (the nominal library suffix)
1767 dnl $3 = dependency variable to set (actual filename)
1768 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1769 AC_DEFUN([CF_LIB_SUFFIX],
1770 [
1771         case X$1 in #(vi
1772         Xlibtool) #(vi
1773                 $2='.la'
1774                 $3=[$]$2
1775                 ;;
1776         Xdebug) #(vi
1777                 $2='_g.a'
1778                 $3=[$]$2
1779                 ;;
1780         Xprofile) #(vi
1781                 $2='_p.a'
1782                 $3=[$]$2
1783                 ;;
1784         Xshared) #(vi
1785                 case $cf_cv_system_name in
1786                 aix[[5-7]]*) #(vi
1787                         $2='.so'
1788                         $3=[$]$2
1789                         ;;
1790                 cygwin*|msys*|mingw*) #(vi
1791                         $2='.dll'
1792                         $3='.dll.a'
1793                         ;;
1794                 darwin*) #(vi
1795                         $2='.dylib'
1796                         $3=[$]$2
1797                         ;;
1798                 hpux*) #(vi
1799                         case $target in
1800                         ia64*) #(vi
1801                                 $2='.so'
1802                                 $3=[$]$2
1803                                 ;;
1804                         *) #(vi
1805                                 $2='.sl'
1806                                 $3=[$]$2
1807                                 ;;
1808                         esac
1809                         ;;
1810                 *) #(vi
1811                         $2='.so'
1812                         $3=[$]$2
1813                         ;;
1814                 esac
1815                 ;;
1816         *)
1817                 $2='.a'
1818                 $3=[$]$2
1819                 ;;
1820         esac
1821         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1822         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1823 ])dnl
1824 dnl ---------------------------------------------------------------------------
1825 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1826 dnl -----------
1827 dnl Compute the string to append to -library from the given model name
1828 dnl $1 = model name
1829 dnl $2 = variable to set
1830 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1831 AC_DEFUN([CF_LIB_TYPE],
1832 [
1833         case $1 in
1834         libtool) $2=''   ;;
1835         normal)  $2=''   ;;
1836         debug)   $2='_g' ;;
1837         profile) $2='_p' ;;
1838         shared)  $2=''   ;;
1839         esac
1840         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1841 ])dnl
1842 dnl ---------------------------------------------------------------------------
1843 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1844 dnl ----------------
1845 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1846 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1847 dnl have to provide wrappers for global tables to ensure they're linked
1848 dnl properly.
1849 AC_DEFUN([CF_LINK_DATAONLY],
1850 [
1851 AC_MSG_CHECKING([if data-only library module links])
1852 AC_CACHE_VAL(cf_cv_link_dataonly,[
1853         rm -f conftest.a
1854         cat >conftest.$ac_ext <<EOF
1855 #line __oline__ "configure"
1856 int     testdata[[3]] = { 123, 456, 789 };
1857 EOF
1858         if AC_TRY_EVAL(ac_compile) ; then
1859                 mv conftest.o data.o && \
1860                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1861         fi
1862         rm -f conftest.$ac_ext data.o
1863         cat >conftest.$ac_ext <<EOF
1864 #line __oline__ "configure"
1865 int     testfunc()
1866 {
1867 #if defined(NeXT)
1868         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1869 #else
1870         extern int testdata[[3]];
1871         return testdata[[0]] == 123
1872            &&  testdata[[1]] == 456
1873            &&  testdata[[2]] == 789;
1874 #endif
1875 }
1876 EOF
1877         if AC_TRY_EVAL(ac_compile); then
1878                 mv conftest.o func.o && \
1879                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1880         fi
1881         rm -f conftest.$ac_ext func.o
1882         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1883         cf_saveLIBS="$LIBS"
1884         LIBS="conftest.a $LIBS"
1885         AC_TRY_RUN([
1886         int main()
1887         {
1888                 extern int testfunc();
1889                 ${cf_cv_main_return:-return} (!testfunc());
1890         }
1891         ],
1892         [cf_cv_link_dataonly=yes],
1893         [cf_cv_link_dataonly=no],
1894         [cf_cv_link_dataonly=unknown])
1895         LIBS="$cf_saveLIBS"
1896         ])
1897 AC_MSG_RESULT($cf_cv_link_dataonly)
1898
1899 if test "$cf_cv_link_dataonly" = no ; then
1900         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1901         BROKEN_LINKER=1
1902 fi
1903
1904 ])dnl
1905 dnl ---------------------------------------------------------------------------
1906 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1907 dnl ------------
1908 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1909 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1910 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1911 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1912 AC_DEFUN([CF_MAKEFLAGS],
1913 [
1914 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1915         cf_cv_makeflags=''
1916         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1917         do
1918                 cat >cf_makeflags.tmp <<CF_EOF
1919 SHELL = /bin/sh
1920 all :
1921         @ echo '.$cf_option'
1922 CF_EOF
1923                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1924                 case "$cf_result" in
1925                 .*k|.*kw)
1926                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1927                         case "$cf_result" in
1928                         .*CC=*) cf_cv_makeflags=
1929                                 ;;
1930                         *)      cf_cv_makeflags=$cf_option
1931                                 ;;
1932                         esac
1933                         break
1934                         ;;
1935                 .-)     ;;
1936                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
1937                         ;;
1938                 esac
1939         done
1940         rm -f cf_makeflags.tmp
1941 ])
1942
1943 AC_SUBST(cf_cv_makeflags)
1944 ])dnl
1945 dnl ---------------------------------------------------------------------------
1946 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1947 dnl ------------
1948 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1949 dnl a monocase filesystem.
1950 AC_DEFUN([CF_MAKE_TAGS],[
1951 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1952
1953 AC_CHECK_PROGS(CTAGS, exctags ctags)
1954 AC_CHECK_PROGS(ETAGS, exetags etags)
1955
1956 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1957
1958 if test "$cf_cv_mixedcase" = yes ; then
1959         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1960 else
1961         MAKE_UPPER_TAGS=no
1962 fi
1963
1964 if test "$MAKE_UPPER_TAGS" = yes ; then
1965         MAKE_UPPER_TAGS=
1966 else
1967         MAKE_UPPER_TAGS="#"
1968 fi
1969
1970 if test "$MAKE_LOWER_TAGS" = yes ; then
1971         MAKE_LOWER_TAGS=
1972 else
1973         MAKE_LOWER_TAGS="#"
1974 fi
1975
1976 AC_SUBST(CTAGS)
1977 AC_SUBST(ETAGS)
1978
1979 AC_SUBST(MAKE_UPPER_TAGS)
1980 AC_SUBST(MAKE_LOWER_TAGS)
1981 ])dnl
1982 dnl ---------------------------------------------------------------------------
1983 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1984 dnl ----------------------
1985 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1986 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1987 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1988 [
1989 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1990 if test "$cross_compiling" = yes ; then
1991         case $target_alias in #(vi
1992         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1993                 cf_cv_mixedcase=no
1994                 ;;
1995         *)
1996                 cf_cv_mixedcase=yes
1997                 ;;
1998         esac
1999 else
2000         rm -f conftest CONFTEST
2001         echo test >conftest
2002         if test -f CONFTEST ; then
2003                 cf_cv_mixedcase=no
2004         else
2005                 cf_cv_mixedcase=yes
2006         fi
2007         rm -f conftest CONFTEST
2008 fi
2009 ])
2010 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2011 ])dnl
2012 dnl ---------------------------------------------------------------------------
2013 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2014 dnl ----------
2015 dnl Check for a working mkstemp.  This creates two files, checks that they are
2016 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2017 AC_DEFUN([CF_MKSTEMP],[
2018 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2019 rm -rf conftest*
2020 AC_TRY_RUN([
2021 #include <sys/types.h>
2022 #include <stdlib.h>
2023 #include <stdio.h>
2024 #include <string.h>
2025 #include <sys/stat.h>
2026 int main()
2027 {
2028         char *tmpl = "conftestXXXXXX";
2029         char name[2][80];
2030         int n;
2031         int result = 0;
2032         int fd;
2033         struct stat sb;
2034
2035         umask(077);
2036         for (n = 0; n < 2; ++n) {
2037                 strcpy(name[n], tmpl);
2038                 if ((fd = mkstemp(name[n])) >= 0) {
2039                         if (!strcmp(name[n], tmpl)
2040                          || stat(name[n], &sb) != 0
2041                          || (sb.st_mode & S_IFMT) != S_IFREG
2042                          || (sb.st_mode & 077) != 0) {
2043                                 result = 1;
2044                         }
2045                         close(fd);
2046                 }
2047         }
2048         if (result == 0
2049          && !strcmp(name[0], name[1]))
2050                 result = 1;
2051         ${cf_cv_main_return:-return}(result);
2052 }
2053 ],[cf_cv_func_mkstemp=yes
2054 ],[cf_cv_func_mkstemp=no
2055 ],[cf_cv_func_mkstemp=maybe])
2056 ])
2057 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2058         AC_CHECK_FUNC(mkstemp)
2059 fi
2060 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2061         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2062 fi
2063 ])dnl
2064 dnl ---------------------------------------------------------------------------
2065 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2066 dnl ----------
2067 dnl Write a debug message to config.log, along with the line number in the
2068 dnl configure script.
2069 AC_DEFUN([CF_MSG_LOG],[
2070 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2071 ])dnl
2072 dnl ---------------------------------------------------------------------------
2073 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2074 dnl ----------------
2075 dnl Configure an ncurses add-on, built outside the ncurses tree.
2076 AC_DEFUN([CF_NCURSES_ADDON],[
2077
2078 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2079
2080 AC_MSG_CHECKING(if you want wide-character code)
2081 AC_ARG_ENABLE(widec,
2082         [  --enable-widec          compile with wide-char/UTF-8 code],
2083         [with_widec=$enableval],
2084         [with_widec=no])
2085 AC_MSG_RESULT($with_widec)
2086 if test "$with_widec" = yes ; then
2087         CF_UTF8_LIB 
2088         CF_NCURSES_CONFIG(ncursesw)
2089 else
2090         CF_NCURSES_CONFIG(ncurses)
2091 fi
2092
2093 if test "$NCURSES_CONFIG" != none ; then
2094
2095 cf_version=`$NCURSES_CONFIG --version`
2096
2097 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2098 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2099 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2100
2101 # ABI version is not available from headers
2102 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2103
2104 else
2105
2106 for cf_name in MAJOR MINOR PATCH
2107 do
2108 cat >conftest.$ac_ext <<CF_EOF
2109 #include <${cf_cv_ncurses_header:-curses.h}>
2110 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2111 CF_EOF
2112         cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2113         AC_TRY_EVAL(cf_try)
2114         if test -f conftest.out ; then
2115                 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2116                 eval NCURSES_$cf_name=\"$cf_result\"
2117                 # cat conftest.$ac_ext
2118                 # cat conftest.out
2119         fi
2120 done
2121
2122 cf_cv_abi_version=${NCURSES_MAJOR}
2123
2124 fi
2125
2126 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2127
2128 dnl Show the computed version, for logging
2129 cf_cv_timestamp=`date`
2130
2131 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2132
2133 dnl We need these values in the generated headers
2134 AC_SUBST(NCURSES_MAJOR)
2135 AC_SUBST(NCURSES_MINOR)
2136 AC_SUBST(NCURSES_PATCH)
2137
2138 dnl We need these values in the generated makefiles
2139 AC_SUBST(cf_cv_rel_version)
2140 AC_SUBST(cf_cv_abi_version)
2141
2142 dnl FIXME - not needed for Ada95
2143 AC_SUBST(cf_cv_builtin_bool)
2144 AC_SUBST(cf_cv_header_stdbool_h)
2145 AC_SUBST(cf_cv_type_of_bool)dnl
2146
2147 ])
2148 dnl ---------------------------------------------------------------------------
2149 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2150 dnl -------------------
2151 dnl Check if we can compile with ncurses' header file
2152 dnl $1 is the cache variable to set
2153 dnl $2 is the header-file to include
2154 dnl $3 is the root name (ncurses or ncursesw)
2155 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2156         AC_TRY_COMPILE([
2157 ]ifelse($3,ncursesw,[
2158 #define _XOPEN_SOURCE_EXTENDED
2159 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2160 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2161 ])[
2162 #include <$2>],[
2163 #ifdef NCURSES_VERSION
2164 ]ifelse($3,ncursesw,[
2165 #ifndef WACS_BSSB
2166         make an error
2167 #endif
2168 ])[
2169 printf("%s\n", NCURSES_VERSION);
2170 #else
2171 #ifdef __NCURSES_H
2172 printf("old\n");
2173 #else
2174         make an error
2175 #endif
2176 #endif
2177         ]
2178         ,[$1=$2]
2179         ,[$1=no])
2180 ])dnl
2181 dnl ---------------------------------------------------------------------------
2182 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2183 dnl -----------------
2184 dnl Tie together the configure-script macros for ncurses.
2185 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2186 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2187 dnl
2188 dnl $1 is the root library name (default: "ncurses")
2189 AC_DEFUN([CF_NCURSES_CONFIG],
2190 [
2191 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2192
2193 echo "Looking for ${cf_ncuconfig_root}-config"
2194
2195 CF_ACVERSION_CHECK(2.52,
2196         [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2197         [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2198
2199 if test "$NCURSES_CONFIG" != none ; then
2200
2201 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2202 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2203
2204 # even with config script, some packages use no-override for curses.h
2205 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2206
2207 dnl like CF_NCURSES_CPPFLAGS
2208 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2209
2210 dnl like CF_NCURSES_LIBS
2211 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2212 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2213
2214 dnl like CF_NCURSES_VERSION
2215 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2216
2217 else
2218
2219 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2220 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2221
2222 fi
2223 ])dnl
2224 dnl ---------------------------------------------------------------------------
2225 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2226 dnl -------------------
2227 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2228 dnl the CPPFLAGS variable so we can include its header.
2229 dnl
2230 dnl The header files may be installed as either curses.h, or ncurses.h (would
2231 dnl be obsolete, except that some packagers prefer this name to distinguish it
2232 dnl from a "native" curses implementation).  If not installed for overwrite,
2233 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2234 dnl /usr/include/ncurses), but someone may have installed overwriting the
2235 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2236 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2237 dnl the header.
2238 dnl
2239 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2240 dnl is already in the include-path, don't even bother with this, since we cannot
2241 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2242 dnl
2243 dnl The optional parameter gives the root name of the library, in case it is
2244 dnl not installed as the default curses library.  That is how the
2245 dnl wide-character version of ncurses is installed.
2246 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2247 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2248
2249 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2250 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2251
2252 test -n "$cf_cv_curses_dir" && \
2253 test "$cf_cv_curses_dir" != "no" && { \
2254   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2255 }
2256
2257 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2258         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2259         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2260         for cf_header in $cf_header_list
2261         do
2262                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2263                 test "$cf_cv_ncurses_h" != no && break
2264         done
2265 ])
2266
2267 CF_NCURSES_HEADER
2268 CF_TERM_HEADER
2269
2270 # some applications need this, but should check for NCURSES_VERSION
2271 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2272
2273 CF_NCURSES_VERSION
2274 ])dnl
2275 dnl ---------------------------------------------------------------------------
2276 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2277 dnl -----------------
2278 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2279 dnl variations of ncurses' installs.
2280 dnl
2281 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2282 AC_DEFUN([CF_NCURSES_HEADER],[
2283
2284 if test "$cf_cv_ncurses_h" != no ; then
2285         cf_cv_ncurses_header=$cf_cv_ncurses_h
2286 else
2287
2288 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2289         test -n "$verbose" && echo
2290         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2291         test -n "$verbose" && echo search path $cf_search
2292         cf_save2_CPPFLAGS="$CPPFLAGS"
2293         for cf_incdir in $cf_search
2294         do
2295                 CF_ADD_INCDIR($cf_incdir)
2296                 for cf_header in \
2297                         ncurses.h \
2298                         curses.h
2299                 do
2300                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2301                         if test "$cf_cv_ncurses_h2" != no ; then
2302                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2303                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2304                                 break
2305                         fi
2306                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2307                 done
2308                 CPPFLAGS="$cf_save2_CPPFLAGS"
2309                 test "$cf_cv_ncurses_h2" != no && break
2310         done
2311         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2312         ])
2313
2314         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2315         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2316         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2317                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2318         fi
2319         CF_ADD_INCDIR($cf_1st_incdir)
2320
2321 fi
2322
2323 # Set definitions to allow ifdef'ing for ncurses.h
2324
2325 case $cf_cv_ncurses_header in # (vi
2326 *ncurses.h)
2327         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2328         ;;
2329 esac
2330
2331 case $cf_cv_ncurses_header in # (vi
2332 ncurses/curses.h|ncurses/ncurses.h)
2333         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2334         ;;
2335 ncursesw/curses.h|ncursesw/ncurses.h)
2336         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2337         ;;
2338 esac
2339
2340 ])dnl
2341 dnl ---------------------------------------------------------------------------
2342 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2343 dnl ---------------
2344 dnl Look for the ncurses library.  This is a little complicated on Linux,
2345 dnl because it may be linked with the gpm (general purpose mouse) library.
2346 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2347 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2348 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2349 dnl and the linker will record a dependency.
2350 dnl
2351 dnl The optional parameter gives the root name of the library, in case it is
2352 dnl not installed as the default curses library.  That is how the
2353 dnl wide-character version of ncurses is installed.
2354 AC_DEFUN([CF_NCURSES_LIBS],
2355 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2356
2357 cf_nculib_root=ifelse($1,,ncurses,$1)
2358         # This works, except for the special case where we find gpm, but
2359         # ncurses is in a nonstandard location via $LIBS, and we really want
2360         # to link gpm.
2361 cf_ncurses_LIBS=""
2362 cf_ncurses_SAVE="$LIBS"
2363 AC_CHECK_LIB(gpm,Gpm_Open,
2364         [AC_CHECK_LIB(gpm,initscr,
2365                 [LIBS="$cf_ncurses_SAVE"],
2366                 [cf_ncurses_LIBS="-lgpm"])])
2367
2368 case $host_os in #(vi
2369 freebsd*)
2370         # This is only necessary if you are linking against an obsolete
2371         # version of ncurses (but it should do no harm, since it's static).
2372         if test "$cf_nculib_root" = ncurses ; then
2373                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2374         fi
2375         ;;
2376 esac
2377
2378 CF_ADD_LIBS($cf_ncurses_LIBS)
2379
2380 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2381 then
2382         CF_ADD_LIBS(-l$cf_nculib_root)
2383 else
2384         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2385                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2386                 [initscr()],
2387                 initscr)
2388 fi
2389
2390 if test -n "$cf_ncurses_LIBS" ; then
2391         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2392         cf_ncurses_SAVE="$LIBS"
2393         for p in $cf_ncurses_LIBS ; do
2394                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2395                 if test "$q" != "$LIBS" ; then
2396                         LIBS="$q"
2397                 fi
2398         done
2399         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2400                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2401                 [AC_MSG_RESULT(yes)],
2402                 [AC_MSG_RESULT(no)
2403                  LIBS="$cf_ncurses_SAVE"])
2404 fi
2405
2406 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2407 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2408 ])dnl
2409 dnl ---------------------------------------------------------------------------
2410 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2411 dnl ------------------
2412 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2413 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2414 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2415 AC_DEFUN([CF_NCURSES_VERSION],
2416 [
2417 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2418 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2419         cf_cv_ncurses_version=no
2420         cf_tempfile=out$$
2421         rm -f $cf_tempfile
2422         AC_TRY_RUN([
2423 #include <${cf_cv_ncurses_header:-curses.h}>
2424 #include <stdio.h>
2425 int main()
2426 {
2427         FILE *fp = fopen("$cf_tempfile", "w");
2428 #ifdef NCURSES_VERSION
2429 # ifdef NCURSES_VERSION_PATCH
2430         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2431 # else
2432         fprintf(fp, "%s\n", NCURSES_VERSION);
2433 # endif
2434 #else
2435 # ifdef __NCURSES_H
2436         fprintf(fp, "old\n");
2437 # else
2438         make an error
2439 # endif
2440 #endif
2441         ${cf_cv_main_return:-return}(0);
2442 }],[
2443         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2444
2445         # This will not work if the preprocessor splits the line after the
2446         # Autoconf token.  The 'unproto' program does that.
2447         cat > conftest.$ac_ext <<EOF
2448 #include <${cf_cv_ncurses_header:-curses.h}>
2449 #undef Autoconf
2450 #ifdef NCURSES_VERSION
2451 Autoconf NCURSES_VERSION
2452 #else
2453 #ifdef __NCURSES_H
2454 Autoconf "old"
2455 #endif
2456 ;
2457 #endif
2458 EOF
2459         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2460         AC_TRY_EVAL(cf_try)
2461         if test -f conftest.out ; then
2462                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2463                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2464                 rm -f conftest.out
2465         fi
2466 ])
2467         rm -f $cf_tempfile
2468 ])
2469 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2470 ])dnl
2471 dnl ---------------------------------------------------------------------------
2472 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2473 dnl -------------
2474 dnl Compute the object-directory name from the given model name
2475 AC_DEFUN([CF_OBJ_SUBDIR],
2476 [
2477         case $1 in
2478         libtool) $2='obj_lo'  ;;
2479         normal)  $2='objects' ;;
2480         debug)   $2='obj_g' ;;
2481         profile) $2='obj_p' ;;
2482         shared)
2483                 case $cf_cv_system_name in #(vi
2484                 cygwin|msys) #(vi
2485                         $2='objects' ;;
2486                 *)
2487                         $2='obj_s' ;;
2488                 esac
2489         esac
2490 ])dnl
2491 dnl ---------------------------------------------------------------------------
2492 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2493 dnl ----------
2494 dnl Provide a value for the $PATH and similar separator (or amend the value
2495 dnl as provided in autoconf 2.5x).
2496 AC_DEFUN([CF_PATHSEP],
2497 [
2498         AC_MSG_CHECKING(for PATH separator)
2499         case $cf_cv_system_name in
2500         os2*)   PATH_SEPARATOR=';'  ;;
2501         *)      ${PATH_SEPARATOR:=':'}  ;;
2502         esac
2503 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2504         AC_SUBST(PATH_SEPARATOR)
2505         AC_MSG_RESULT($PATH_SEPARATOR)
2506 ])dnl
2507 dnl ---------------------------------------------------------------------------
2508 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2509 dnl --------------
2510 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2511 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2512 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2513 dnl delayed evaluation of those symbols.
2514 AC_DEFUN([CF_PATH_SYNTAX],[
2515 if test "x$prefix" != xNONE; then
2516   cf_path_syntax="$prefix"
2517 else
2518   cf_path_syntax="$ac_default_prefix"
2519 fi
2520
2521 case ".[$]$1" in #(vi
2522 .\[$]\(*\)*|.\'*\'*) #(vi
2523   ;;
2524 ..|./*|.\\*) #(vi
2525   ;;
2526 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2527   ;;
2528 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2529   eval $1="[$]$1"
2530   case ".[$]$1" in #(vi
2531   .NONE/*)
2532     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2533     ;;
2534   esac
2535   ;; #(vi
2536 .no|.NONE/*)
2537   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2538   ;;
2539 *)
2540   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2541   ;;
2542 esac
2543 ])dnl
2544 dnl ---------------------------------------------------------------------------
2545 dnl CF_PKG_CONFIG version: 8 updated: 2014/12/13 18:48:46
2546 dnl -------------
2547 dnl Check for the package-config program, unless disabled by command-line.
2548 AC_DEFUN([CF_PKG_CONFIG],
2549 [
2550 AC_MSG_CHECKING(if you want to use pkg-config)
2551 AC_ARG_WITH(pkg-config,
2552         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2553         [cf_pkg_config=$withval],
2554         [cf_pkg_config=yes])
2555 AC_MSG_RESULT($cf_pkg_config)
2556
2557 case $cf_pkg_config in #(vi
2558 no) #(vi
2559         PKG_CONFIG=none
2560         ;;
2561 yes) #(vi
2562         CF_ACVERSION_CHECK(2.52,
2563                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2564                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2565         ;;
2566 *)
2567         PKG_CONFIG=$withval
2568         ;;
2569 esac
2570
2571 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2572 if test "$PKG_CONFIG" != none ; then
2573         CF_PATH_SYNTAX(PKG_CONFIG)
2574 else
2575         AC_MSG_WARN(pkg-config is not installed)
2576 fi
2577
2578 AC_SUBST(PKG_CONFIG)
2579 ])dnl
2580 dnl ---------------------------------------------------------------------------
2581 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2582 dnl -----------------
2583 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2584 dnl
2585 dnl     POSIX.1-1990                            _POSIX_SOURCE
2586 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2587 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2588 dnl             Bindings Option
2589 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2590 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2591 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2592 dnl
2593 dnl Parameters:
2594 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2595 AC_DEFUN([CF_POSIX_C_SOURCE],
2596 [
2597 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2598
2599 cf_save_CFLAGS="$CFLAGS"
2600 cf_save_CPPFLAGS="$CPPFLAGS"
2601
2602 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2603 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2604
2605 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2606         CF_MSG_LOG(if the symbol is already defined go no further)
2607         AC_TRY_COMPILE([#include <sys/types.h>],[
2608 #ifndef _POSIX_C_SOURCE
2609 make an error
2610 #endif],
2611         [cf_cv_posix_c_source=no],
2612         [cf_want_posix_source=no
2613          case .$cf_POSIX_C_SOURCE in #(vi
2614          .[[12]]??*) #(vi
2615                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2616                 ;;
2617          .2) #(vi
2618                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2619                 cf_want_posix_source=yes
2620                 ;;
2621          .*)
2622                 cf_want_posix_source=yes
2623                 ;;
2624          esac
2625          if test "$cf_want_posix_source" = yes ; then
2626                 AC_TRY_COMPILE([#include <sys/types.h>],[
2627 #ifdef _POSIX_SOURCE
2628 make an error
2629 #endif],[],
2630                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2631          fi
2632          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2633          CFLAGS="$cf_trim_CFLAGS"
2634          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2635          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2636          AC_TRY_COMPILE([#include <sys/types.h>],[
2637 #ifndef _POSIX_C_SOURCE
2638 make an error
2639 #endif],,
2640          [cf_cv_posix_c_source=no])
2641          CFLAGS="$cf_save_CFLAGS"
2642          CPPFLAGS="$cf_save_CPPFLAGS"
2643         ])
2644 ])
2645
2646 if test "$cf_cv_posix_c_source" != no ; then
2647         CFLAGS="$cf_trim_CFLAGS"
2648         CPPFLAGS="$cf_trim_CPPFLAGS"
2649         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2650 fi
2651
2652 ])dnl
2653 dnl ---------------------------------------------------------------------------
2654 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2655 dnl ----------
2656 dnl Check for archiver "ar".
2657 AC_DEFUN([CF_PROG_AR],[
2658 AC_CHECK_TOOL(AR, ar, ar)
2659 ])
2660 dnl ---------------------------------------------------------------------------
2661 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2662 dnl -----------
2663 dnl Check for awk, ensure that the check found something.
2664 AC_DEFUN([CF_PROG_AWK],
2665 [
2666 AC_PROG_AWK
2667 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2668 ])dnl
2669 dnl ---------------------------------------------------------------------------
2670 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2671 dnl ----------
2672 dnl standard check for CC, plus followup sanity checks
2673 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2674 AC_DEFUN([CF_PROG_CC],[
2675 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2676 CF_GCC_VERSION
2677 CF_ACVERSION_CHECK(2.52,
2678         [AC_PROG_CC_STDC],
2679         [CF_ANSI_CC_REQD])
2680 CF_CC_ENV_FLAGS
2681 ])dnl
2682 dnl ---------------------------------------------------------------------------
2683 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2684 dnl --------------
2685 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2686 dnl the output file can be renamed, and allows for a shell variable that can
2687 dnl be used later.  The parameter is either CC or CXX.  The result is the
2688 dnl cache variable:
2689 dnl     $cf_cv_prog_CC_c_o
2690 dnl     $cf_cv_prog_CXX_c_o
2691 AC_DEFUN([CF_PROG_CC_C_O],
2692 [AC_REQUIRE([AC_PROG_CC])dnl
2693 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2694 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2695 [
2696 cat > conftest.$ac_ext <<CF_EOF
2697 #include <stdio.h>
2698 int main()
2699 {
2700         ${cf_cv_main_return:-return}(0);
2701 }
2702 CF_EOF
2703 # We do the test twice because some compilers refuse to overwrite an
2704 # existing .o file with -o, though they will create one.
2705 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2706 if AC_TRY_EVAL(ac_try) &&
2707   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2708 then
2709   eval cf_cv_prog_$1_c_o=yes
2710 else
2711   eval cf_cv_prog_$1_c_o=no
2712 fi
2713 rm -rf conftest*
2714 ])dnl
2715 if test $cf_cv_prog_$1_c_o = yes; then
2716   AC_MSG_RESULT([yes])
2717 else
2718   AC_MSG_RESULT([no])
2719 fi
2720 ])dnl
2721 dnl ---------------------------------------------------------------------------
2722 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2723 dnl -------------
2724 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2725 dnl This macro adds a check to ensure the script found something.
2726 AC_DEFUN([CF_PROG_EGREP],
2727 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2728    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2729     then ac_cv_prog_egrep='grep -E'
2730     else ac_cv_prog_egrep='egrep'
2731     fi])
2732  EGREP=$ac_cv_prog_egrep
2733  AC_SUBST([EGREP])
2734 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2735 ])dnl
2736 dnl ---------------------------------------------------------------------------
2737 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2738 dnl -----------
2739 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2740 AC_DEFUN([CF_PROG_EXT],
2741 [
2742 AC_REQUIRE([CF_CHECK_CACHE])
2743 case $cf_cv_system_name in
2744 os2*)
2745     CFLAGS="$CFLAGS -Zmt"
2746     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2747     CXXFLAGS="$CXXFLAGS -Zmt"
2748     # autoconf's macro sets -Zexe and suffix both, which conflict:w
2749     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2750     ac_cv_exeext=.exe
2751     ;;
2752 esac
2753
2754 AC_EXEEXT
2755 AC_OBJEXT
2756
2757 PROG_EXT="$EXEEXT"
2758 AC_SUBST(PROG_EXT)
2759 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2760 ])dnl
2761 dnl ---------------------------------------------------------------------------
2762 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2763 dnl ------------
2764 dnl Check for gnatmake, ensure that it is complete.
2765 AC_DEFUN([CF_PROG_GNAT],[
2766 cf_ada_make=gnatmake
2767 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2768 if test "$ac_cv_prog_gnat_exists" = no; then
2769    cf_ada_make=
2770    cf_cv_prog_gnat_correct=no
2771 else
2772    CF_GNAT_VERSION
2773    AC_CHECK_PROG(M4_exists, m4, yes, no)
2774    if test "$ac_cv_prog_M4_exists" = no; then
2775       cf_cv_prog_gnat_correct=no
2776       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2777    fi
2778    if test "$cf_cv_prog_gnat_correct" = yes; then
2779       AC_MSG_CHECKING(if GNAT works)
2780       CF_GNAT_TRY_RUN([procedure conftest;],
2781 [with Text_IO;
2782 with GNAT.OS_Lib;
2783 procedure conftest is
2784 begin
2785    Text_IO.Put ("Hello World");
2786    Text_IO.New_Line;
2787    GNAT.OS_Lib.OS_Exit (0);
2788 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2789       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2790    fi
2791 fi
2792
2793 AC_SUBST(cf_ada_make)
2794 ])dnl
2795 dnl ---------------------------------------------------------------------------
2796 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2797 dnl ------------
2798 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2799 dnl option if it is supported.
2800 AC_DEFUN([CF_PROG_LN_S],[
2801 AC_PROG_LN_S
2802 AC_MSG_CHECKING(if $LN_S -f options work)
2803
2804 rm -f conf$$.src conf$$dst
2805 echo >conf$$.dst
2806 echo first >conf$$.src
2807 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2808         cf_prog_ln_sf=yes
2809 else
2810         cf_prog_ln_sf=no
2811 fi
2812 rm -f conf$$.dst conf$$src
2813 AC_MSG_RESULT($cf_prog_ln_sf)
2814
2815 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2816 ])dnl
2817 dnl ---------------------------------------------------------------------------
2818 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2819 dnl ----------------
2820 dnl Remove all -U and -D options that refer to the given symbol from a list
2821 dnl of C compiler options.  This works around the problem that not all
2822 dnl compilers process -U and -D options from left-to-right, so a -U option
2823 dnl cannot be used to cancel the effect of a preceding -D option.
2824 dnl
2825 dnl $1 = target (which could be the same as the source variable)
2826 dnl $2 = source (including '$')
2827 dnl $3 = symbol to remove
2828 define([CF_REMOVE_DEFINE],
2829 [
2830 $1=`echo "$2" | \
2831         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2832                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2833 ])dnl
2834 dnl ---------------------------------------------------------------------------
2835 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2836 dnl -------------
2837 dnl Remove the given library from the symbol
2838 dnl
2839 dnl $1 = target (which could be the same as the source variable)
2840 dnl $2 = source (including '$')
2841 dnl $3 = library to remove
2842 define([CF_REMOVE_LIB],
2843 [
2844 # remove $3 library from $2
2845 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2846 ])dnl
2847 dnl ---------------------------------------------------------------------------
2848 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2849 dnl --------------
2850 dnl --------------
2851 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2852 dnl library.
2853 dnl
2854 dnl Notes:
2855 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2856 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2857 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2858 dnl shared library since that can lead to unexpected results at runtime.
2859 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2860 dnl libraries are compiled in ../../lib
2861 dnl
2862 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2863 dnl to install symbolic links to the rel/abi versions of shared libraries.
2864 dnl
2865 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2866 dnl version when making symbolic links.
2867 dnl
2868 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2869 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2870 dnl (ex: libncurses.so.<ver>).
2871 dnl
2872 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2873 AC_DEFUN([CF_SHARED_OPTS],
2874 [
2875         AC_REQUIRE([CF_LD_RPATH_OPT])
2876         RM_SHARED_OPTS=
2877         LOCAL_LDFLAGS=
2878         LOCAL_LDFLAGS2=
2879         LD_SHARED_OPTS=
2880         INSTALL_LIB="-m 644"
2881         : ${rel_builddir:=.}
2882
2883         shlibdir=$libdir
2884         AC_SUBST(shlibdir)
2885
2886         MAKE_DLLS="#"
2887         AC_SUBST(MAKE_DLLS)
2888
2889         cf_cv_do_symlinks=no
2890         cf_ld_rpath_opt=
2891         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2892
2893         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2894         AC_ARG_WITH(shlib-version,
2895         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2896         [test -z "$withval" && withval=auto
2897         case $withval in #(vi
2898         yes) #(vi
2899                 cf_cv_shlib_version=auto
2900                 ;;
2901         rel|abi|auto|no) #(vi
2902                 cf_cv_shlib_version=$withval
2903                 ;;
2904         *)
2905                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2906                 ;;
2907         esac
2908         ],[cf_cv_shlib_version=auto])
2909         AC_MSG_RESULT($cf_cv_shlib_version)
2910
2911         cf_cv_rm_so_locs=no
2912         cf_try_cflags=
2913
2914         # Some less-capable ports of gcc support only -fpic
2915         CC_SHARED_OPTS=
2916         if test "$GCC" = yes
2917         then
2918                 AC_MSG_CHECKING(which $CC option to use)
2919                 cf_save_CFLAGS="$CFLAGS"
2920                 for CC_SHARED_OPTS in -fPIC -fpic ''
2921                 do
2922                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2923                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2924                 done
2925                 AC_MSG_RESULT($CC_SHARED_OPTS)
2926                 CFLAGS="$cf_save_CFLAGS"
2927         fi
2928
2929         cf_cv_shlib_version_infix=no
2930
2931         case $cf_cv_system_name in #(vi
2932         aix4.[3-9]*|aix[[5-7]]*) #(vi
2933                 if test "$GCC" = yes; then
2934                         CC_SHARED_OPTS=
2935                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2936                 else
2937                         # CC_SHARED_OPTS='-qpic=large -G'
2938                         # perhaps "-bM:SRE -bnoentry -bexpall"
2939                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2940                 fi
2941                 ;;
2942         beos*) #(vi
2943                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2944                 ;;
2945         cygwin*) #(vi
2946                 CC_SHARED_OPTS=
2947                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2948                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2949                 cf_cv_shlib_version=cygdll
2950                 cf_cv_shlib_version_infix=cygdll
2951                 shlibdir=$bindir
2952                 MAKE_DLLS=
2953                 cat >mk_shared_lib.sh <<-CF_EOF
2954                 #!/bin/sh
2955                 SHARED_LIB=\[$]1
2956                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2957                 shift
2958                 cat <<-EOF
2959                 Linking shared library
2960                 ** SHARED_LIB \[$]SHARED_LIB
2961                 ** IMPORT_LIB \[$]IMPORT_LIB
2962 EOF
2963                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2964 CF_EOF
2965                 chmod +x mk_shared_lib.sh
2966                 ;;
2967         msys*) #(vi
2968                 CC_SHARED_OPTS=
2969                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2970                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2971                 cf_cv_shlib_version=msysdll
2972                 cf_cv_shlib_version_infix=msysdll
2973                 shlibdir=$bindir
2974                 MAKE_DLLS=
2975                 cat >mk_shared_lib.sh <<-CF_EOF
2976                 #!/bin/sh
2977                 SHARED_LIB=\[$]1
2978                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2979                 shift
2980                 cat <<-EOF
2981                 Linking shared library
2982                 ** SHARED_LIB \[$]SHARED_LIB
2983                 ** IMPORT_LIB \[$]IMPORT_LIB
2984 EOF
2985                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2986 CF_EOF
2987                 chmod +x mk_shared_lib.sh
2988                 ;;
2989         darwin*) #(vi
2990                 cf_try_cflags="no-cpp-precomp"
2991                 CC_SHARED_OPTS="-dynamic"
2992                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2993                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2994                 cf_cv_shlib_version_infix=yes
2995                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2996                         cf_save_LDFLAGS=$LDFLAGS
2997                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2998                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2999                                 LDFLAGS=$cf_save_LDFLAGS])
3000                 if test $cf_cv_ldflags_search_paths_first = yes; then
3001                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3002                 fi
3003                 ;;
3004         hpux[[7-8]]*) #(vi
3005                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list 
3006                 if test "$GCC" != yes; then
3007                         CC_SHARED_OPTS='+Z'
3008                 fi
3009                 MK_SHARED_LIB='${LD} -b -o $[@]'
3010                 INSTALL_LIB="-m 555"
3011                 ;;
3012         hpux*) #(vi
3013                 # (tested with gcc 2.7.2 -- I don't have c89)
3014                 if test "$GCC" = yes; then
3015                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3016                 else
3017                         CC_SHARED_OPTS='+Z'
3018                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3019                 fi
3020                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3021                 # HP-UX shared libraries must be executable, and should be
3022                 # readonly to exploit a quirk in the memory manager.
3023                 INSTALL_LIB="-m 555"
3024                 ;;
3025         interix*)
3026                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3027                 if test "$cf_cv_shlib_version" = rel; then
3028                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3029                 else
3030                         cf_shared_soname='`basename $@`'
3031                 fi
3032                 CC_SHARED_OPTS=
3033                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3034                 ;;
3035         irix*) #(vi
3036                 if test "$cf_cv_enable_rpath" = yes ; then
3037                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3038                 fi
3039                 # tested with IRIX 5.2 and 'cc'.
3040                 if test "$GCC" != yes; then
3041                         CC_SHARED_OPTS='-KPIC'
3042                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3043                 else
3044                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3045                 fi
3046                 cf_cv_rm_so_locs=yes
3047                 ;;
3048         linux*|gnu*|k*bsd*-gnu) #(vi
3049                 if test "$DFT_LWR_MODEL" = "shared" ; then
3050                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3051                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3052                 fi
3053                 if test "$cf_cv_enable_rpath" = yes ; then
3054                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3055                 fi
3056                 CF_SHARED_SONAME
3057                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3058                 ;;
3059         mingw*) #(vi
3060                 cf_cv_shlib_version=mingw
3061                 cf_cv_shlib_version_infix=mingw
3062                 shlibdir=$bindir
3063                 MAKE_DLLS=
3064                 if test "$DFT_LWR_MODEL" = "shared" ; then
3065                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3066                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3067                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3068                 fi
3069                 CC_SHARED_OPTS=
3070                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3071                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3072                 cat >mk_shared_lib.sh <<-CF_EOF
3073                 #!/bin/sh
3074                 SHARED_LIB=\[$]1
3075                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3076                 shift
3077                 cat <<-EOF
3078                 Linking shared library
3079                 ** SHARED_LIB \[$]SHARED_LIB
3080                 ** IMPORT_LIB \[$]IMPORT_LIB
3081 EOF
3082                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3083 CF_EOF
3084                 chmod +x mk_shared_lib.sh
3085                 ;;
3086         openbsd[[2-9]].*|mirbsd*) #(vi
3087                 if test "$DFT_LWR_MODEL" = "shared" ; then
3088                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3089                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3090                 fi
3091                 if test "$cf_cv_enable_rpath" = yes ; then
3092                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3093                 fi
3094                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3095                 CF_SHARED_SONAME
3096                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3097                 ;;
3098         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3099                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3100                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3101                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3102                 ;;
3103         dragonfly*|freebsd*) #(vi
3104                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3105                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3106                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3107                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3108                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3109                 fi
3110                 CF_SHARED_SONAME
3111                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3112                 ;;
3113         netbsd*) #(vi
3114                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3115                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3116                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3117                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3118                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3119                         if test "$cf_cv_shlib_version" = auto; then
3120                         if test -f /usr/libexec/ld.elf_so; then
3121                                 cf_cv_shlib_version=abi
3122                         else
3123                                 cf_cv_shlib_version=rel
3124                         fi
3125                         fi
3126                         CF_SHARED_SONAME
3127                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3128                 else
3129                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3130                 fi
3131                 ;;
3132         osf*|mls+*) #(vi
3133                 # tested with OSF/1 V3.2 and 'cc'
3134                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3135                 # link with shared libs).
3136                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3137                 case $host_os in #(vi
3138                 osf4*)
3139                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3140                         ;;
3141                 esac
3142                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3143                 if test "$DFT_LWR_MODEL" = "shared" ; then
3144                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3145                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3146                 fi
3147                 cf_cv_rm_so_locs=yes
3148                 ;;
3149         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
3150                 # tested with osr5.0.5
3151                 if test "$GCC" != yes; then
3152                         CC_SHARED_OPTS='-belf -KPIC'
3153                 fi
3154                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3155                 if test "$cf_cv_enable_rpath" = yes ; then
3156                         # only way is to set LD_RUN_PATH but no switch for it
3157                         RUN_PATH=$libdir
3158                 fi
3159                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3160                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3161                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3162                 ;;
3163         sunos4*) #(vi
3164                 # tested with SunOS 4.1.1 and gcc 2.7.0
3165                 if test "$GCC" != yes; then
3166                         CC_SHARED_OPTS='-KPIC'
3167                 fi
3168                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3169                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3170                 ;;
3171         solaris2*) #(vi
3172                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3173                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3174                 if test "$DFT_LWR_MODEL" = "shared" ; then
3175                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3176                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3177                 fi
3178                 if test "$cf_cv_enable_rpath" = yes ; then
3179                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3180                 fi
3181                 CF_SHARED_SONAME
3182                 if test "$GCC" != yes; then
3183                         cf_save_CFLAGS="$CFLAGS"
3184                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3185                         do
3186                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3187                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3188                         done
3189                         CFLAGS="$cf_save_CFLAGS"
3190                         CC_SHARED_OPTS=$cf_shared_opts
3191                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3192                 else
3193                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3194                 fi
3195                 ;;
3196         sysv5uw7*|unix_sv*) #(vi
3197                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3198                 if test "$GCC" != yes; then
3199                         CC_SHARED_OPTS='-KPIC'
3200                 fi
3201                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3202                 ;;
3203         *)
3204                 CC_SHARED_OPTS='unknown'
3205                 MK_SHARED_LIB='echo unknown'
3206                 ;;
3207         esac
3208
3209         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3210         case "$cf_cv_shlib_version" in #(vi
3211         rel|abi)
3212                 case "$MK_SHARED_LIB" in #(vi
3213                 *'-o $[@]') #(vi
3214                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3215                         ;;
3216                 *)
3217                         AC_MSG_WARN(ignored --with-shlib-version)
3218                         ;;
3219                 esac
3220                 ;;
3221         esac
3222
3223         if test -n "$cf_try_cflags"
3224         then
3225 cat > conftest.$ac_ext <<EOF
3226 #line __oline__ "${as_me:-configure}"
3227 #include <stdio.h>
3228 int main(int argc, char *argv[[]])
3229 {
3230         printf("hello\n");
3231         return (argv[[argc-1]] == 0) ;
3232 }
3233 EOF
3234                 cf_save_CFLAGS="$CFLAGS"
3235                 for cf_opt in $cf_try_cflags
3236                 do
3237                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3238                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3239                         if AC_TRY_EVAL(ac_compile); then
3240                                 AC_MSG_RESULT(yes)
3241                                 cf_save_CFLAGS="$CFLAGS"
3242                         else
3243                                 AC_MSG_RESULT(no)
3244                         fi
3245                 done
3246                 CFLAGS="$cf_save_CFLAGS"
3247         fi
3248
3249
3250         # RPATH_LIST is a colon-separated list of directories
3251         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3252         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3253
3254         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3255
3256         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3257         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3258
3259         AC_SUBST(CC_SHARED_OPTS)
3260         AC_SUBST(LD_RPATH_OPT)
3261         AC_SUBST(LD_SHARED_OPTS)
3262         AC_SUBST(MK_SHARED_LIB)
3263         AC_SUBST(RM_SHARED_OPTS)
3264
3265         AC_SUBST(LINK_PROGS)
3266         AC_SUBST(LINK_TESTS)
3267
3268         AC_SUBST(EXTRA_LDFLAGS)
3269         AC_SUBST(LOCAL_LDFLAGS)
3270         AC_SUBST(LOCAL_LDFLAGS2)
3271
3272         AC_SUBST(INSTALL_LIB)
3273         AC_SUBST(RPATH_LIST)
3274 ])dnl
3275 dnl ---------------------------------------------------------------------------
3276 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3277 dnl ----------------
3278 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3279 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3280 dnl option.
3281 dnl
3282 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3283 dnl If missing, use "rel".
3284 define([CF_SHARED_SONAME],
3285 [
3286         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3287         if test "$cf_cv_shlib_version" = rel; then
3288                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3289         else
3290                 cf_cv_shared_soname='`basename $[@]`'
3291         fi
3292 ])
3293 dnl ---------------------------------------------------------------------------
3294 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3295 dnl --------------
3296 dnl     Remove "-g" option from the compiler options
3297 AC_DEFUN([CF_STRIP_G_OPT],
3298 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3299 dnl ---------------------------------------------------------------------------
3300 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3301 dnl --------------
3302 dnl Construct a search-list for a nonstandard header/lib-file
3303 dnl     $1 = the variable to return as result
3304 dnl     $2 = the package name
3305 dnl     $3 = the subdirectory, e.g., bin, include or lib
3306 AC_DEFUN([CF_SUBDIR_PATH],
3307 [
3308 $1=
3309
3310 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3311
3312 for cf_subdir_prefix in \
3313         /usr \
3314         /usr/local \
3315         /usr/pkg \
3316         /opt \
3317         /opt/local \
3318         [$]HOME
3319 do
3320         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3321 done
3322 ])dnl
3323 dnl ---------------------------------------------------------------------------
3324 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3325 dnl --------------
3326 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3327 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3328 dnl but some packagers change this, breaking various applications.
3329 AC_DEFUN([CF_TERM_HEADER],[
3330 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3331 case ${cf_cv_ncurses_header} in #(vi
3332 */ncurses.h|*/ncursesw.h) #(vi
3333         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3334         ;;
3335 *)
3336         cf_term_header=term.h
3337         ;;
3338 esac
3339
3340 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3341 do
3342 AC_TRY_COMPILE([#include <stdio.h>
3343 #include <${cf_cv_ncurses_header:-curses.h}>
3344 #include <$cf_test>
3345 ],[int x = auto_left_margin],[
3346         cf_cv_term_header="$cf_test"],[
3347         cf_cv_term_header=unknown
3348         ])
3349         test "$cf_cv_term_header" != unknown && break
3350 done
3351 ])
3352
3353 # Set definitions to allow ifdef'ing to accommodate subdirectories
3354
3355 case $cf_cv_term_header in # (vi
3356 *term.h)
3357         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3358         ;;
3359 esac
3360
3361 case $cf_cv_term_header in # (vi
3362 ncurses/term.h) #(vi
3363         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3364         ;;
3365 ncursesw/term.h)
3366         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3367         ;;
3368 esac
3369 ])dnl
3370 dnl ---------------------------------------------------------------------------
3371 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3372 dnl ---------------
3373 dnl Define a top_builddir symbol, for applications that need an absolute path.
3374 AC_DEFUN([CF_TOP_BUILDDIR],
3375 [
3376 top_builddir=ifelse($1,,`pwd`,$1)
3377 AC_SUBST(top_builddir)
3378 ])dnl
3379 dnl ---------------------------------------------------------------------------
3380 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3381 dnl -------------------
3382 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3383 dnl can define it successfully.
3384 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3385 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3386         AC_TRY_COMPILE([
3387 #include <stdlib.h>
3388 #include <string.h>
3389 #include <sys/types.h>
3390 ],[
3391 #ifndef _XOPEN_SOURCE
3392 make an error
3393 #endif],
3394         [cf_cv_xopen_source=no],
3395         [cf_save="$CPPFLAGS"
3396          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3397          AC_TRY_COMPILE([
3398 #include <stdlib.h>
3399 #include <string.h>
3400 #include <sys/types.h>
3401 ],[
3402 #ifdef _XOPEN_SOURCE
3403 make an error
3404 #endif],
3405         [cf_cv_xopen_source=no],
3406         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3407         CPPFLAGS="$cf_save"
3408         ])
3409 ])
3410
3411 if test "$cf_cv_xopen_source" != no ; then
3412         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3413         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3414         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3415         CF_ADD_CFLAGS($cf_temp_xopen_source)
3416 fi
3417 ])
3418 dnl ---------------------------------------------------------------------------
3419 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3420 dnl --------
3421 dnl Make an uppercase version of a variable
3422 dnl $1=uppercase($2)
3423 AC_DEFUN([CF_UPPER],
3424 [
3425 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3426 ])dnl
3427 dnl ---------------------------------------------------------------------------
3428 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3429 dnl -----------
3430 dnl Check for multibyte support, and if not found, utf8 compatibility library
3431 AC_DEFUN([CF_UTF8_LIB],
3432 [
3433 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3434         cf_save_LIBS="$LIBS"
3435         AC_TRY_LINK([
3436 #include <stdlib.h>],[putwc(0,0);],
3437         [cf_cv_utf8_lib=yes],
3438         [CF_FIND_LINKAGE([
3439 #include <libutf8.h>],[putwc(0,0);],utf8,
3440                 [cf_cv_utf8_lib=add-on],
3441                 [cf_cv_utf8_lib=no])
3442 ])])
3443
3444 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3445 # ncurses/ncursesw:
3446 if test "$cf_cv_utf8_lib" = "add-on" ; then
3447         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3448         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3449         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3450         CF_ADD_LIBS($cf_cv_library_file_utf8)
3451 fi
3452 ])dnl
3453 dnl ---------------------------------------------------------------------------
3454 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3455 dnl ----------
3456 dnl Use AC_VERBOSE w/o the warnings
3457 AC_DEFUN([CF_VERBOSE],
3458 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3459 CF_MSG_LOG([$1])
3460 ])dnl
3461 dnl ---------------------------------------------------------------------------
3462 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3463 dnl ---------------
3464 dnl Check for compiler-support for weak symbols.
3465 dnl This works with "recent" gcc.
3466 AC_DEFUN([CF_WEAK_SYMBOLS],[
3467 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3468
3469 AC_TRY_COMPILE([
3470 #include <stdio.h>],
3471 [
3472 #if defined(__GNUC__)
3473 #  if defined __USE_ISOC99
3474 #    define _cat_pragma(exp)    _Pragma(#exp)
3475 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3476 #  else
3477 #    define _weak_pragma(exp)
3478 #  endif
3479 #  define _declare(name)        __extension__ extern __typeof__(name) name
3480 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3481 #endif
3482
3483 weak_symbol(fopen);
3484 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3485 ])
3486 ])dnl
3487 dnl ---------------------------------------------------------------------------
3488 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3489 dnl --------------------
3490 dnl Command-line option to specify the Ada95 compiler.
3491 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3492 AC_MSG_CHECKING(for ada-compiler)
3493 AC_ARG_WITH(ada-compiler,
3494         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3495         [cf_ada_compiler=$withval],
3496         [cf_ada_compiler=gnatmake])
3497 AC_SUBST(cf_ada_compiler)
3498 AC_MSG_RESULT($cf_ada_compiler)
3499 ])dnl
3500 dnl ---------------------------------------------------------------------------
3501 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3502 dnl -------------------
3503 dnl Command-line option to specify where Ada includes will install.
3504 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3505 AC_MSG_CHECKING(for ada-include)
3506 CF_WITH_PATH(ada-include,
3507    [  --with-ada-include=DIR  Ada includes are in DIR],
3508    ADA_INCLUDE,
3509    PREFIX/share/ada/adainclude,
3510    [$]prefix/share/ada/adainclude)
3511 AC_SUBST(ADA_INCLUDE)
3512 AC_MSG_RESULT($ADA_INCLUDE)
3513 ])dnl
3514 dnl ---------------------------------------------------------------------------
3515 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3516 dnl -------------------
3517 dnl Command-line option to specify where Ada objects will install.
3518 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3519 AC_MSG_CHECKING(for ada-objects)
3520 CF_WITH_PATH(ada-objects,
3521    [  --with-ada-objects=DIR  Ada objects are in DIR],
3522    ADA_OBJECTS,
3523    PREFIX/lib/ada/adalib,
3524    [$]prefix/lib/ada/adalib)
3525 AC_SUBST(ADA_OBJECTS)
3526 AC_MSG_RESULT($ADA_OBJECTS)
3527 ])dnl
3528 dnl ---------------------------------------------------------------------------
3529 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3530 dnl ---------------------
3531 dnl Command-line option to specify if an Ada95 shared-library should be built,
3532 dnl and optionally what its soname should be.
3533 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3534 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3535 AC_ARG_WITH(ada-sharedlib,
3536         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3537         [with_ada_sharedlib=$withval],
3538         [with_ada_sharedlib=no])
3539 AC_MSG_RESULT($with_ada_sharedlib)
3540
3541 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3542 MAKE_ADA_SHAREDLIB="#"
3543
3544 if test "x$with_ada_sharedlib" != xno
3545 then
3546         MAKE_ADA_SHAREDLIB=
3547         if test "x$with_ada_sharedlib" != xyes
3548         then
3549                 ADA_SHAREDLIB="$with_ada_sharedlib"
3550         fi
3551 fi
3552
3553 AC_SUBST(ADA_SHAREDLIB)
3554 AC_SUBST(MAKE_ADA_SHAREDLIB)
3555 ])dnl
3556 dnl ---------------------------------------------------------------------------
3557 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3558 dnl ------------------
3559 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3560 dnl libraries.
3561 AC_DEFUN([CF_WITH_CURSES_DIR],[
3562
3563 AC_MSG_CHECKING(for specific curses-directory)
3564 AC_ARG_WITH(curses-dir,
3565         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3566         [cf_cv_curses_dir=$withval],
3567         [cf_cv_curses_dir=no])
3568 AC_MSG_RESULT($cf_cv_curses_dir)
3569
3570 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3571 then
3572         CF_PATH_SYNTAX(withval)
3573         if test -d "$cf_cv_curses_dir"
3574         then
3575                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3576                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3577         fi
3578 fi
3579 ])dnl
3580 dnl ---------------------------------------------------------------------------
3581 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3582 dnl ------------------
3583 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3584 dnl "lib" prefix, e.g., because it used the dll naming convention.
3585 dnl
3586 dnl $1 = variable to set
3587 AC_DEFUN([CF_WITH_LIB_PREFIX],
3588 [
3589 AC_MSG_CHECKING(if you want to have a library-prefix)
3590 AC_ARG_WITH(lib-prefix,
3591         [  --with-lib-prefix       override library-prefix],
3592         [with_lib_prefix=$withval],
3593         [with_lib_prefix=auto])
3594 AC_MSG_RESULT($with_lib_prefix)
3595
3596 if test $with_lib_prefix = auto
3597 then
3598         CF_LIB_PREFIX($1)
3599 elif test $with_lib_prefix = no
3600 then
3601         LIB_PREFIX=
3602 else
3603         LIB_PREFIX=$with_lib_prefix
3604 fi
3605 ])dnl
3606 dnl ---------------------------------------------------------------------------
3607 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3608 dnl ------------
3609 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3610 dnl defaulting to yes/no.
3611 dnl
3612 dnl $1 = option name
3613 dnl $2 = help-text
3614 dnl $3 = environment variable to set
3615 dnl $4 = default value, shown in the help-message, must be a constant
3616 dnl $5 = default value, if it's an expression & cannot be in the help-message
3617 dnl
3618 AC_DEFUN([CF_WITH_PATH],
3619 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3620 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3621 if ifelse([$5],,true,[test -n "$5"]) ; then
3622 CF_PATH_SYNTAX(withval)
3623 fi
3624 eval $3="$withval"
3625 AC_SUBST($3)dnl
3626 ])dnl
3627 dnl ---------------------------------------------------------------------------
3628 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 3 updated: 2014/12/13 18:48:46
3629 dnl -------------------------
3630 dnl Allow the choice of the pkg-config library directory to be overridden.
3631 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3632 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3633 AC_ARG_WITH(pkg-config-libdir,
3634         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3635         [PKG_CONFIG_LIBDIR=$withval],
3636         [PKG_CONFIG_LIBDIR=yes])
3637
3638 case x$PKG_CONFIG_LIBDIR in #(vi
3639 x/*) #(vi
3640         ;;
3641 xyes) #(vi
3642         # Look for the library directory using the same prefix as the executable
3643         if test "x$PKG_CONFIG" = xnone
3644         then
3645                 cf_path=$prefix
3646         else
3647                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3648         fi
3649
3650         # If you don't like using the default architecture, you have to specify the
3651         # intended library directory and corresponding compiler/linker options.
3652         #
3653         # This case allows for Debian's 2014-flavor of multiarch, along with the
3654         # most common variations before that point.  Some other variants spell the
3655         # directory differently, e.g., "pkg-config", and put it in unusual places. 
3656         # pkg-config has always been poorly standardized, which is ironic...
3657         case x`(arch) 2>/dev/null` in #(vi
3658         *64) #(vi
3659                 cf_search_path="\
3660                         $cf_path/lib/*64-linux-gnu \
3661                         $cf_path/share \
3662                         $cf_path/lib64 \
3663                         $cf_path/lib32 \
3664                         $cf_path/lib"
3665                 ;;
3666         *)
3667                 cf_search_path="\
3668                         $cf_path/lib/*-linux-gnu \
3669                         $cf_path/share \
3670                         $cf_path/lib32 \
3671                         $cf_path/lib"
3672                 ;;
3673         esac
3674
3675         CF_VERBOSE(list...)
3676         for cf_config in $cf_search_path
3677         do
3678                 CF_VERBOSE(checking $cf_config/pkgconfig)
3679                 if test -d $cf_config/pkgconfig
3680                 then
3681                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3682                         AC_MSG_CHECKING(done)
3683                         break
3684                 fi
3685         done
3686         ;;
3687 *)
3688         ;;
3689 esac
3690
3691 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3692
3693 AC_SUBST(PKG_CONFIG_LIBDIR)
3694 ])dnl
3695 dnl ---------------------------------------------------------------------------
3696 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3697 dnl ---------------
3698 dnl Check for POSIX thread library.
3699 AC_DEFUN([CF_WITH_PTHREAD],
3700 [
3701 AC_MSG_CHECKING(if you want to link with the pthread library)
3702 AC_ARG_WITH(pthread,
3703     [  --with-pthread          use POSIX thread library],
3704     [with_pthread=$withval],
3705     [with_pthread=no])
3706 AC_MSG_RESULT($with_pthread)
3707
3708 if test "$with_pthread" != no ; then
3709     AC_CHECK_HEADER(pthread.h,[
3710         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3711
3712         for cf_lib_pthread in pthread c_r
3713         do
3714             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3715             cf_save_LIBS="$LIBS"
3716             CF_ADD_LIB($cf_lib_pthread)
3717             AC_TRY_LINK([
3718 #include <pthread.h>
3719 ],[
3720                 int rc = pthread_create(0,0,0,0);
3721                 int r2 = pthread_mutexattr_settype(0, 0);
3722 ],[with_pthread=yes],[with_pthread=no])
3723             LIBS="$cf_save_LIBS"
3724             AC_MSG_RESULT($with_pthread)
3725             test "$with_pthread" = yes && break
3726         done
3727
3728         if test "$with_pthread" = yes ; then
3729             CF_ADD_LIB($cf_lib_pthread)
3730             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3731         else
3732             AC_MSG_ERROR(Cannot link with pthread library)
3733         fi
3734     ])
3735 fi
3736 ])
3737 dnl ---------------------------------------------------------------------------
3738 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3739 dnl ---------------
3740 dnl For testing, override the derived host system-type which is used to decide
3741 dnl things such as the linker commands used to build shared libraries.  This is
3742 dnl normally chosen automatically based on the type of system which you are
3743 dnl building on.  We use it for testing the configure script.
3744 dnl
3745 dnl This is different from the --host option: it is used only for testing parts
3746 dnl of the configure script which would not be reachable with --host since that
3747 dnl relies on the build environment being real, rather than mocked up.
3748 AC_DEFUN([CF_WITH_SYSTYPE],[
3749 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3750 AC_ARG_WITH(system-type,
3751         [  --with-system-type=XXX  test: override derived host system-type],
3752 [AC_MSG_WARN(overriding system type to $withval)
3753         cf_cv_system_name=$withval
3754         host_os=$withval
3755 ])
3756 ])dnl
3757 dnl ---------------------------------------------------------------------------
3758 dnl CF_XOPEN_SOURCE version: 48 updated: 2014/09/01 12:29:14
3759 dnl ---------------
3760 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3761 dnl or adapt to the vendor's definitions to get equivalent functionality,
3762 dnl without losing the common non-POSIX features.
3763 dnl
3764 dnl Parameters:
3765 dnl     $1 is the nominal value for _XOPEN_SOURCE
3766 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3767 AC_DEFUN([CF_XOPEN_SOURCE],[
3768 AC_REQUIRE([AC_CANONICAL_HOST])
3769
3770 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3771 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3772 cf_xopen_source=
3773
3774 case $host_os in #(vi
3775 aix[[4-7]]*) #(vi
3776         cf_xopen_source="-D_ALL_SOURCE"
3777         ;;
3778 cygwin|msys) #(vi
3779         cf_XOPEN_SOURCE=600
3780         ;;
3781 darwin[[0-8]].*) #(vi
3782         cf_xopen_source="-D_APPLE_C_SOURCE"
3783         ;;
3784 darwin*) #(vi
3785         cf_xopen_source="-D_DARWIN_C_SOURCE"
3786         cf_XOPEN_SOURCE=
3787         ;;
3788 freebsd*|dragonfly*) #(vi
3789         # 5.x headers associate
3790         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3791         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3792         cf_POSIX_C_SOURCE=200112L
3793         cf_XOPEN_SOURCE=600
3794         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3795         ;;
3796 hpux11*) #(vi
3797         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3798         ;;
3799 hpux*) #(vi
3800         cf_xopen_source="-D_HPUX_SOURCE"
3801         ;;
3802 irix[[56]].*) #(vi
3803         cf_xopen_source="-D_SGI_SOURCE"
3804         cf_XOPEN_SOURCE=
3805         ;;
3806 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3807         CF_GNU_SOURCE
3808         ;;
3809 minix*) #(vi
3810         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3811         ;;
3812 mirbsd*) #(vi
3813         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3814         cf_XOPEN_SOURCE=
3815         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3816         ;;
3817 netbsd*) #(vi
3818         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3819         ;;
3820 openbsd[[4-9]]*) #(vi
3821         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3822         cf_xopen_source="-D_BSD_SOURCE"
3823         cf_XOPEN_SOURCE=600
3824         ;;
3825 openbsd*) #(vi
3826         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3827         ;;
3828 osf[[45]]*) #(vi
3829         cf_xopen_source="-D_OSF_SOURCE"
3830         ;;
3831 nto-qnx*) #(vi
3832         cf_xopen_source="-D_QNX_SOURCE"
3833         ;;
3834 sco*) #(vi
3835         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3836         ;;
3837 solaris2.*) #(vi
3838         cf_xopen_source="-D__EXTENSIONS__"
3839         cf_cv_xopen_source=broken
3840         ;;
3841 sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3842         cf_XOPEN_SOURCE=
3843         cf_POSIX_C_SOURCE=
3844         ;;
3845 *)
3846         CF_TRY_XOPEN_SOURCE
3847         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3848         ;;
3849 esac
3850
3851 if test -n "$cf_xopen_source" ; then
3852         CF_ADD_CFLAGS($cf_xopen_source,true)
3853 fi
3854
3855 dnl In anything but the default case, we may have system-specific setting
3856 dnl which is still not guaranteed to provide all of the entrypoints that
3857 dnl _XOPEN_SOURCE would yield.
3858 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3859         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3860         AC_TRY_COMPILE([#include <stdlib.h>],[
3861 #ifndef _XOPEN_SOURCE
3862 make an error
3863 #endif],
3864         [cf_XOPEN_SOURCE_set=yes],
3865         [cf_XOPEN_SOURCE_set=no])
3866         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3867         if test $cf_XOPEN_SOURCE_set = yes
3868         then
3869                 AC_TRY_COMPILE([#include <stdlib.h>],[
3870 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3871 make an error
3872 #endif],
3873                 [cf_XOPEN_SOURCE_set_ok=yes],
3874                 [cf_XOPEN_SOURCE_set_ok=no])
3875                 if test $cf_XOPEN_SOURCE_set_ok = no
3876                 then
3877                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3878                 fi
3879         else
3880                 CF_TRY_XOPEN_SOURCE
3881         fi
3882 fi
3883 ])