1 dnl***************************************************************************
2 dnl Copyright (c) 2003-2017,2018 Free Software Foundation, Inc. *
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: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
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. *
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 *
27 dnl***************************************************************************
29 dnl $Id: aclocal.m4,v 1.158 2018/06/21 00:23:13 tom Exp $
31 dnl Author: Thomas E. Dickey
33 dnl Macros used in NCURSES test programs auto-configuration script.
35 dnl These macros are maintained separately from NCURSES. The copyright on
36 dnl this file applies to the aggregation of macros and does not affect use of
37 dnl these macros in other applications.
39 dnl See http://invisible-island.net/autoconf/ for additional information.
41 dnl ---------------------------------------------------------------------------
42 dnl ---------------------------------------------------------------------------
43 dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
44 dnl -------------------
45 dnl Inserted as requested by gettext 0.10.40
46 dnl File from /usr/share/aclocal
48 dnl ====================
51 dnl From Bruno Haible.
52 AC_DEFUN([AM_LANGINFO_CODESET],
54 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
55 [AC_TRY_LINK([#include <langinfo.h>],
56 [char* cs = nl_langinfo(CODESET);],
57 am_cv_langinfo_codeset=yes,
58 am_cv_langinfo_codeset=no)
60 if test $am_cv_langinfo_codeset = yes; then
61 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
62 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
65 dnl ---------------------------------------------------------------------------
66 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
67 dnl ------------------
68 dnl Conditionally generate script according to whether we're using a given autoconf.
70 dnl $1 = version to compare against
71 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
72 dnl $3 = code to use if AC_ACVERSION is older than $1.
73 define([CF_ACVERSION_CHECK],
75 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
76 ifdef([m4_version_compare],
77 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
78 [CF_ACVERSION_COMPARE(
79 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
80 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
81 dnl ---------------------------------------------------------------------------
82 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
83 dnl --------------------
84 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
85 dnl MAJOR2, MINOR2, TERNARY2,
86 dnl PRINTABLE2, not FOUND, FOUND)
87 define([CF_ACVERSION_COMPARE],
88 [ifelse(builtin([eval], [$2 < $5]), 1,
89 [ifelse([$8], , ,[$8])],
90 [ifelse([$9], , ,[$9])])])dnl
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
94 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
95 dnl The second parameter if given makes this macro verbose.
97 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
98 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
99 dnl confused by the quotes (which require backslashes to keep them usable).
100 AC_DEFUN([CF_ADD_CFLAGS],
105 cf_new_extra_cppflags=
107 for cf_add_cflags in $1
109 case $cf_fix_cppflags in
111 case $cf_add_cflags in
112 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
113 case $cf_add_cflags in
115 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
117 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
118 && test -z "${cf_tst_cflags}" \
119 && cf_fix_cppflags=yes
121 if test $cf_fix_cppflags = yes ; then
122 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
124 elif test "${cf_tst_cflags}" = "\"'" ; then
125 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
134 case $cf_add_cflags in
136 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
137 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
140 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
145 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
150 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
152 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
154 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
155 && test -z "${cf_tst_cflags}" \
156 && cf_fix_cppflags=no
161 if test -n "$cf_new_cflags" ; then
162 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
163 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
166 if test -n "$cf_new_cppflags" ; then
167 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
168 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
171 if test -n "$cf_new_extra_cppflags" ; then
172 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
173 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
176 AC_SUBST(EXTRA_CPPFLAGS)
179 dnl ---------------------------------------------------------------------------
180 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
182 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
183 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
184 dnl but old versions (and some misinstalled ones) need that. To make things
185 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
186 dnl the include-path).
187 AC_DEFUN([CF_ADD_INCDIR],
189 if test -n "$1" ; then
190 for cf_add_incdir in $1
192 while test $cf_add_incdir != /usr/include
194 if test -d $cf_add_incdir
197 if test -n "$CFLAGS$CPPFLAGS" ; then
198 # a loop is needed to ensure we can add subdirs of existing dirs
199 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
200 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
201 cf_have_incdir=yes; break
206 if test "$cf_have_incdir" = no ; then
207 if test "$cf_add_incdir" = /usr/local/include ; then
210 cf_save_CPPFLAGS=$CPPFLAGS
211 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
212 AC_TRY_COMPILE([#include <stdio.h>],
215 [cf_have_incdir=yes])
216 CPPFLAGS=$cf_save_CPPFLAGS
221 if test "$cf_have_incdir" = no ; then
222 CF_VERBOSE(adding $cf_add_incdir to include-path)
223 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
225 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
226 test "$cf_top_incdir" = "$cf_add_incdir" && break
227 cf_add_incdir="$cf_top_incdir"
238 dnl ---------------------------------------------------------------------------
239 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
241 dnl Add a library, used to enforce consistency.
243 dnl $1 = library to add, without the "-l"
244 dnl $2 = variable to update (default $LIBS)
245 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
246 dnl ---------------------------------------------------------------------------
247 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
249 dnl Adds to the library-path
251 dnl Some machines have trouble with multiple -L options.
253 dnl $1 is the (list of) directory(s) to add
254 dnl $2 is the optional name of the variable to update (default LDFLAGS)
256 AC_DEFUN([CF_ADD_LIBDIR],
258 if test -n "$1" ; then
259 for cf_add_libdir in $1
261 if test $cf_add_libdir = /usr/lib ; then
263 elif test -d $cf_add_libdir
266 if test -n "$LDFLAGS$LIBS" ; then
267 # a loop is needed to ensure we can add subdirs of existing dirs
268 for cf_test_libdir in $LDFLAGS $LIBS ; do
269 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
270 cf_have_libdir=yes; break
274 if test "$cf_have_libdir" = no ; then
275 CF_VERBOSE(adding $cf_add_libdir to library-path)
276 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
282 dnl ---------------------------------------------------------------------------
283 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
285 dnl Add one or more libraries, used to enforce consistency. Libraries are
286 dnl prepended to an existing list, since their dependencies are assumed to
287 dnl already exist in the list.
289 dnl $1 = libraries to add, with the "-l", etc.
290 dnl $2 = variable to update (default $LIBS)
291 AC_DEFUN([CF_ADD_LIBS],[
293 # Filter out duplicates - this happens with badly-designed ".pc" files...
294 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
296 for cf_add_2lib in $cf_add_libs
298 if test "x$cf_add_1lib" = "x$cf_add_2lib"
304 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
306 ifelse($2,,LIBS,[$2])="$cf_add_libs"
308 dnl ---------------------------------------------------------------------------
309 dnl CF_ADD_LIB_AFTER version: 3 updated: 2013/07/09 21:27:22
311 dnl Add a given library after another, e.g., following the one it satisfies a
314 dnl $1 = the first library
315 dnl $2 = its dependency
316 AC_DEFUN([CF_ADD_LIB_AFTER],[
317 CF_VERBOSE(...before $LIBS)
318 LIBS=`echo "$LIBS" | sed -e "s/[[ ]][[ ]]*/ /g" -e "s%$1 %$1 $2 %" -e 's% % %g'`
319 CF_VERBOSE(...after $LIBS)
321 dnl ---------------------------------------------------------------------------
322 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
323 dnl ------------------
324 dnl Append to a search-list for a nonstandard header/lib-file
325 dnl $1 = the variable to return as result
326 dnl $2 = the package name
327 dnl $3 = the subdirectory, e.g., bin, include or lib
328 dnl $4 = the directory under which we will test for subdirectories
329 dnl $5 = a directory that we do not want $4 to match
330 AC_DEFUN([CF_ADD_SUBDIR_PATH],
332 test "x$4" != "x$5" && \
334 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
335 test -n "$verbose" && echo " ... testing for $3-directories under $4"
336 test -d $4/$3 && $1="[$]$1 $4/$3"
337 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
338 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
339 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
340 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
343 dnl ---------------------------------------------------------------------------
344 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
346 dnl use this macro for appending text without introducing an extra blank at
348 define([CF_APPEND_TEXT],
350 test -n "[$]$1" && $1="[$]$1 "
353 dnl ---------------------------------------------------------------------------
354 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
356 dnl Allow user to disable a normally-on option.
357 AC_DEFUN([CF_ARG_DISABLE],
358 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
359 dnl ---------------------------------------------------------------------------
360 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
362 dnl Allow user to enable a normally-off option.
363 AC_DEFUN([CF_ARG_ENABLE],
364 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
365 dnl ---------------------------------------------------------------------------
366 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
368 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
374 dnl $3 = action to perform if option is not default
375 dnl $4 = action if perform if option is default
376 dnl $5 = default option value (either 'yes' or 'no')
377 AC_DEFUN([CF_ARG_OPTION],
378 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
379 if test "$enableval" != "$5" ; then
381 ,[ $3]) ifelse([$4],,,[
384 fi],[enableval=$5 ifelse([$4],,,[
388 dnl ---------------------------------------------------------------------------
389 dnl CF_CC_ENV_FLAGS version: 8 updated: 2017/09/23 08:50:24
391 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
392 dnl into CC. This will not help with broken scripts that wrap the compiler
393 dnl with options, but eliminates a more common category of user confusion.
395 dnl In particular, it addresses the problem of being able to run the C
396 dnl preprocessor in a consistent manner.
398 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
399 dnl the nuisance of having inconsistent settings for compiler and preprocessor
400 dnl outweighs that limitation.
401 AC_DEFUN([CF_CC_ENV_FLAGS],
403 # This should have been defined by AC_PROG_CC
406 AC_MSG_CHECKING(\$CC variable)
409 AC_MSG_RESULT(broken)
410 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
412 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
413 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
415 for cf_arg in $cf_flags
419 CF_ADD_CFLAGS($cf_arg)
426 CF_VERBOSE(resulting CC: '$CC')
427 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
428 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
435 dnl ---------------------------------------------------------------------------
436 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
438 dnl Check if we're accidentally using a cache from a different machine.
439 dnl Derive the system name, as a check for reusing the autoconf cache.
441 dnl If we've packaged config.guess and config.sub, run that (since it does a
442 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
443 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
444 dnl which is useful in cross-compiles.
446 dnl Note: we would use $ac_config_sub, but that is one of the places where
447 dnl autoconf 2.5x broke compatibility with autoconf 2.13
448 AC_DEFUN([CF_CHECK_CACHE],
450 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
451 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
452 system_name="$host_os"
454 system_name="`(uname -s -r) 2>/dev/null`"
455 if test -z "$system_name" ; then
456 system_name="`(hostname) 2>/dev/null`"
459 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
460 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
462 test -z "$system_name" && system_name="$cf_cv_system_name"
463 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
465 if test ".$system_name" != ".$cf_cv_system_name" ; then
466 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
467 AC_MSG_ERROR("Please remove config.cache and try again.")
470 dnl ---------------------------------------------------------------------------
471 dnl CF_CHECK_CFLAGS version: 3 updated: 2014/07/22 05:32:57
473 dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
474 dnl a build-configuration such as imake. These have the pitfall that they
475 dnl often contain compiler-specific options which we cannot use, mixed with
476 dnl preprocessor options that we usually can.
477 AC_DEFUN([CF_CHECK_CFLAGS],
479 CF_VERBOSE(checking additions to CFLAGS)
480 cf_check_cflags="$CFLAGS"
481 cf_check_cppflags="$CPPFLAGS"
482 CF_ADD_CFLAGS($1,yes)
483 if test "x$cf_check_cflags" != "x$CFLAGS" ; then
484 AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
485 [CF_VERBOSE(test-compile failed. Undoing change to \$CFLAGS)
486 if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then
487 CF_VERBOSE(but keeping change to \$CPPFLAGS)
489 CFLAGS="$cf_check_flags"])
492 dnl ---------------------------------------------------------------------------
493 dnl CF_CHECK_CURSES_LIB version: 2 updated: 2018/01/03 04:47:33
494 dnl -------------------
495 dnl $1 = nominal library name, used also for header lookup
496 dnl $2 = suffix to append to library name
497 dnl $3 = function to check for using AC_CHECK_LIB
498 dnl $4 = optional parameter list for $3
499 AC_DEFUN([CF_CHECK_CURSES_LIB],
501 AC_REQUIRE([CF_PKG_CONFIG])
503 cf_have_curses_lib=no
505 : ${NCURSES_CONFIG_PKG:=none}
506 if test "x${NCURSES_CONFIG_PKG}" = xnone; then
508 elif test "x${PKG_CONFIG:=none}" != xnone; then
509 AC_MSG_CHECKING(pkg-config for $1$2)
510 if "$PKG_CONFIG" --exists $1$2 ; then
513 AC_MSG_CHECKING(if the $1$2 package files work)
515 cf_save_CPPFLAGS="$CPPFLAGS"
518 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $1$2`)
519 CF_ADD_LIBS(`$PKG_CONFIG --libs $1$2`)
521 AC_TRY_LINK([#include <$1.h>],
522 [(void) $3 ( ]ifelse([$4],,,[[$4]])[ );],
523 [AC_TRY_RUN([#include <$1.h>
525 { (void) $3 ( ]ifelse([$4],,,[[$4]])[ ); return 0; }],
526 [cf_have_curses_lib=yes],
527 [cf_have_curses_lib=no],
528 [cf_have_curses_lib=maybe])],
529 [cf_have_curses_lib=no])
530 AC_MSG_RESULT($cf_have_curses_lib)
531 test "$cf_have_curses_lib" = maybe && cf_have_curses_lib=yes
532 if test "$cf_have_curses_lib" != "yes"
534 CPPFLAGS="$cf_save_CPPFLAGS"
537 CF_UPPER(cf_upper,have_lib$1)
538 AC_DEFINE_UNQUOTED($cf_upper,1)
542 if test "$cf_have_curses_lib" = no; then
543 AC_CHECK_LIB($1$2,$3,[
544 CF_UPPER(cf_upper,have_lib$1)
546 AC_DEFINE_UNQUOTED($cf_upper,1)])
549 dnl ---------------------------------------------------------------------------
550 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
551 dnl -----------------
552 dnl Check if the given compiler is really clang. clang's C driver defines
553 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
554 dnl not ignore some gcc options.
556 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
557 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
558 dnl the wrappers for gcc and g++ warnings.
560 dnl $1 = GCC (default) or GXX
561 dnl $2 = CLANG_COMPILER (default)
562 dnl $3 = CFLAGS (default) or CXXFLAGS
563 AC_DEFUN([CF_CLANG_COMPILER],[
564 ifelse([$2],,CLANG_COMPILER,[$2])=no
566 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
567 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
568 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
569 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
575 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
576 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
578 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
579 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
582 dnl ---------------------------------------------------------------------------
583 dnl CF_CURSES_ACS_MAP version: 7 updated: 2012/10/06 16:39:58
584 dnl -----------------
585 dnl Check for likely values of acs_map[]:
586 AC_DEFUN([CF_CURSES_ACS_MAP],
588 AC_REQUIRE([CF_NCURSES_WRAP_PREFIX])dnl
589 AC_CACHE_CHECK(for alternate character set array, cf_cv_curses_acs_map,[
590 cf_cv_curses_acs_map=unknown
591 for name in acs_map _acs_map __acs_map ${NCURSES_WRAP_PREFIX}acs_map
594 #include <${cf_cv_ncurses_header:-curses.h}>
596 $name['k'] = ACS_PLUS
597 ],[cf_cv_curses_acs_map=$name; break])
601 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map,[Define as needed to override ncurses prefix _nc_])
603 dnl ---------------------------------------------------------------------------
604 dnl CF_CURSES_CHECK_DATA version: 7 updated: 2018/01/03 04:47:33
605 dnl --------------------
606 dnl Check if curses.h defines the given data/variable.
607 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
609 dnl $1 = data item(s) to check for
610 dnl $2 = action on success, e.g., "break" to quit checking a series of choices
611 AC_DEFUN([CF_CURSES_CHECK_DATA],
615 AC_MSG_CHECKING(for data $cf_data declaration in ${cf_cv_ncurses_header:-curses.h})
617 AC_TRY_COMPILE(CF__CURSES_HEAD,[
618 void *foo = &($cf_data)
621 AC_MSG_RESULT($cf_result)
623 if test $cf_result = yes ; then
624 CF_UPPER(cf_result,have_curses_data_$cf_data)
625 AC_DEFINE_UNQUOTED($cf_result)
628 AC_MSG_CHECKING(for data $cf_data in library)
629 # BSD linkers insist on making weak linkage, but resolve at runtime.
630 AC_TRY_RUN(CF__CURSES_HEAD
632 extern char $cf_data;
635 void *foo = &($cf_data);
636 fprintf(stderr, "testing linkage of $cf_data:%p\n", (void *)foo);
637 ${cf_cv_main_return:-return}(foo == 0);
641 AC_TRY_LINK(CF__CURSES_HEAD
642 [extern char $cf_data;],[
644 void *foo = &($cf_data);
645 fprintf(stderr, "testing linkage of $cf_data:%p\n", (void *)foo);
646 ${cf_cv_main_return:-return}(foo == 0);
648 ],[cf_result=yes],[cf_result=no])
650 AC_MSG_RESULT($cf_result)
651 if test $cf_result = yes ; then
652 CF_UPPER(cf_result,decl_curses_data_$cf_data)
653 AC_DEFINE_UNQUOTED($cf_result)
654 # do not exit loop here, since we prefer system's declarations
659 dnl ---------------------------------------------------------------------------
660 dnl CF_CURSES_CHECK_TYPE version: 4 updated: 2012/10/06 16:39:58
661 dnl --------------------
662 dnl Check if curses.h defines the given type
663 AC_DEFUN([CF_CURSES_CHECK_TYPE],
665 AC_MSG_CHECKING(for type $1 in ${cf_cv_ncurses_header:-curses.h})
667 #ifndef _XOPEN_SOURCE_EXTENDED
668 #define _XOPEN_SOURCE_EXTENDED
670 #include <${cf_cv_ncurses_header:-curses.h}>],[
672 ],cf_result=yes,cf_result=no)
673 AC_MSG_RESULT($cf_result)
674 if test $cf_result = yes ; then
675 CF_UPPER(cf_result,have_type_$1)
676 AC_DEFINE_UNQUOTED($cf_result,1,[Define to 1 if we have type $1])
678 AC_DEFINE_UNQUOTED($1,$2,[Define to appropriate type if $1 is not declared])
681 dnl ---------------------------------------------------------------------------
682 dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
684 dnl Tie together the configure-script macros for curses. It may be ncurses,
685 dnl but unless asked, we do not make a special search for ncurses. However,
686 dnl still check for the ncurses version number, for use in other macros.
687 AC_DEFUN([CF_CURSES_CONFIG],
693 dnl ---------------------------------------------------------------------------
694 dnl CF_CURSES_CPPFLAGS version: 13 updated: 2018/06/20 20:23:13
695 dnl ------------------
696 dnl Look for the curses headers.
697 AC_DEFUN([CF_CURSES_CPPFLAGS],[
699 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
700 cf_cv_curses_incdir=no
703 if test "x$cf_cv_screen" = "xcurses_colr"
705 test -d /usr/include/curses_colr && \
706 cf_cv_curses_incdir="-I/usr/include/curses_colr"
710 if test "x$cf_cv_screen" = "xcurses_5lib"
712 test -d /usr/5lib && \
713 test -d /usr/5include && \
714 cf_cv_curses_incdir="-I/usr/5include"
719 if test "$cf_cv_curses_incdir" != no
721 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_curses_incdir)
727 dnl ---------------------------------------------------------------------------
728 dnl CF_CURSES_FUNCS version: 19 updated: 2018/01/03 04:47:33
730 dnl Curses-functions are a little complicated, since a lot of them are macros.
731 AC_DEFUN([CF_CURSES_FUNCS],
733 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
734 AC_REQUIRE([CF_XOPEN_CURSES])
735 AC_REQUIRE([CF_CURSES_TERM_H])
736 AC_REQUIRE([CF_CURSES_UNCTRL_H])
739 CF_UPPER(cf_tr_func,$cf_func)
740 AC_MSG_CHECKING(for ${cf_func})
741 CF_MSG_LOG(${cf_func})
742 AC_CACHE_VAL(cf_cv_func_$cf_func,[
743 eval cf_result='$ac_cv_func_'$cf_func
744 if test ".$cf_result" != ".no"; then
745 AC_TRY_LINK(CF__CURSES_HEAD,
748 long foo = (long)(&${cf_func});
749 fprintf(stderr, "testing linkage of $cf_func:%p\n", (void *)foo);
750 if (foo + 1234L > 5678L)
751 ${cf_cv_main_return:-return}(foo != 0);
757 eval 'cf_cv_func_'$cf_func'=$cf_result'
759 # use the computed/retrieved cache-value:
760 eval 'cf_result=$cf_cv_func_'$cf_func
761 AC_MSG_RESULT($cf_result)
762 if test $cf_result != no; then
763 AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
767 dnl ---------------------------------------------------------------------------
768 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
770 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
771 dnl variations of ncurses' installs.
773 dnl $1 = ncurses when looking for ncurses, or is empty
774 AC_DEFUN([CF_CURSES_HEADER],[
775 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
776 cf_cv_ncurses_header=none
778 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
779 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
781 AC_TRY_COMPILE([#include <${cf_header}>],
782 [initscr(); tgoto("?", 0,0)],
783 [cf_cv_ncurses_header=$cf_header; break],[])
787 if test "$cf_cv_ncurses_header" = none ; then
788 AC_MSG_ERROR(No curses header-files found)
791 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
792 AC_CHECK_HEADERS($cf_cv_ncurses_header)
794 dnl ---------------------------------------------------------------------------
795 dnl CF_CURSES_LIBS version: 42 updated: 2018/06/20 20:23:13
797 dnl Look for the curses libraries. Older curses implementations may require
798 dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
799 AC_DEFUN([CF_CURSES_LIBS],[
801 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
802 AC_MSG_CHECKING(if we have identified curses libraries)
803 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
804 [initscr(); tgoto("?", 0,0)],
807 AC_MSG_RESULT($cf_result)
809 if test "$cf_result" = no ; then
812 AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
815 # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr
816 # next (1998), and xcurses "newer" (2000). There is no header file for
817 # Hcurses; the subdirectory curses_colr has the headers (curses.h and
818 # term.h) for cur_colr
819 if test "x$cf_cv_screen" = "xcurses_colr"
821 AC_CHECK_LIB(cur_colr,initscr,[
822 CF_ADD_LIBS(-lcur_colr)
823 ac_cv_func_initscr=yes
825 AC_CHECK_LIB(Hcurses,initscr,[
826 # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
827 CF_ADD_LIBS(-lHcurses)
828 CF_APPEND_TEXT(CPPFLAGS,-D__HP_CURSES -D_HP_CURSES)
829 ac_cv_func_initscr=yes
834 case `arch 2>/dev/null` in
838 CF_ADD_LIBDIR(/lib64)
849 if test "x$cf_cv_screen" = "xcurses_5lib"
851 if test -d /usr/5lib ; then
852 CF_ADD_LIBDIR(/usr/5lib)
853 CF_ADD_LIBS(-lcurses -ltermcap)
856 ac_cv_func_initscr=yes
860 if test ".$ac_cv_func_initscr" != .yes ; then
863 if test ".${cf_cv_ncurses_version:-no}" != .no
865 cf_check_list="ncurses curses cursesX"
867 cf_check_list="cursesX curses ncurses"
870 # Check for library containing tgoto. Do this before curses library
871 # because it may be needed to link the test-case for initscr.
872 if test "x$cf_term_lib" = x
874 AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
875 for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
877 AC_CHECK_LIB($cf_term_lib,tgoto,[
878 : ${cf_nculib_root:=$cf_term_lib}
885 # Check for library containing initscr
886 test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
887 if test "x$cf_curs_lib" = x
889 for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
891 LIBS="-l$cf_curs_lib $cf_save_LIBS"
892 if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then
893 AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
894 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
898 AC_MSG_RESULT($cf_result)
899 test $cf_result = yes && break
900 elif test "$cf_curs_lib" = "$cf_term_lib" ; then
902 elif test "$cf_term_lib" != predefined ; then
903 AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
904 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
905 [initscr(); tgoto((char *)0, 0, 0);],
908 LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
909 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
914 AC_MSG_RESULT($cf_result)
915 test $cf_result != error && break
919 test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
924 dnl ---------------------------------------------------------------------------
925 dnl CF_CURSES_TERM_H version: 11 updated: 2015/04/15 19:08:48
927 dnl SVr4 curses should have term.h as well (where it puts the definitions of
928 dnl the low-level interface). This may not be true in old/broken implementations,
929 dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
930 dnl running with Solaris 2.5.1).
931 AC_DEFUN([CF_CURSES_TERM_H],
933 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
935 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
937 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
938 # for <term.h> if we do not find the variant.
940 cf_header_list="term.h ncurses/term.h ncursesw/term.h"
942 case ${cf_cv_ncurses_header:-curses.h} in
944 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
945 cf_header_list="$cf_header_item $cf_header_list"
949 for cf_header in $cf_header_list
952 #include <${cf_cv_ncurses_header:-curses.h}>
953 #include <${cf_header}>],
955 [cf_cv_term_header=$cf_header
957 [cf_cv_term_header=no])
960 case $cf_cv_term_header in
962 # If curses is ncurses, some packagers still mess it up by trying to make
963 # us use GNU termcap. This handles the most common case.
964 for cf_header in ncurses/term.h ncursesw/term.h
967 #include <${cf_cv_ncurses_header:-curses.h}>
968 #ifdef NCURSES_VERSION
969 #include <${cf_header}>
974 [cf_cv_term_header=$cf_header
976 [cf_cv_term_header=no])
982 case $cf_cv_term_header in
984 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
987 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
990 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
994 dnl ---------------------------------------------------------------------------
995 dnl CF_CURSES_UNCTRL_H version: 4 updated: 2015/04/15 19:08:48
996 dnl ------------------
997 dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages
998 dnl may put it in a subdirectory (along with ncurses' other headers, of
999 dnl course). Packages which put the headers in inconsistent locations are
1001 AC_DEFUN([CF_CURSES_UNCTRL_H],
1003 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1005 AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[
1007 # If we found <ncurses/curses.h>, look for <ncurses/unctrl.h>, but always look
1008 # for <unctrl.h> if we do not find the variant.
1010 cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h"
1012 case ${cf_cv_ncurses_header:-curses.h} in
1014 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
1015 cf_header_list="$cf_header_item $cf_header_list"
1019 for cf_header in $cf_header_list
1022 #include <${cf_cv_ncurses_header:-curses.h}>
1023 #include <${cf_header}>],
1025 [cf_cv_unctrl_header=$cf_header
1027 [cf_cv_unctrl_header=no])
1031 case $cf_cv_unctrl_header in
1033 AC_MSG_WARN(unctrl.h header not found)
1037 case $cf_cv_unctrl_header in
1039 AC_DEFINE(HAVE_UNCTRL_H,1,[Define to 1 if we have unctrl.h])
1042 AC_DEFINE(HAVE_NCURSES_UNCTRL_H,1,[Define to 1 if we have ncurses/unctrl.h])
1045 AC_DEFINE(HAVE_NCURSESW_UNCTRL_H,1,[Define to 1 if we have ncursesw/unctrl.h])
1049 dnl ---------------------------------------------------------------------------
1050 dnl CF_CURSES_WACS_MAP version: 6 updated: 2012/10/06 08:57:51
1051 dnl ------------------
1052 dnl Check for likely values of wacs_map[].
1053 AC_DEFUN([CF_CURSES_WACS_MAP],
1055 AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
1056 cf_cv_curses_wacs_map=unknown
1057 for name in wacs_map _wacs_map __wacs_map _nc_wacs _wacs_char
1060 #ifndef _XOPEN_SOURCE_EXTENDED
1061 #define _XOPEN_SOURCE_EXTENDED
1063 #include <${cf_cv_ncurses_header:-curses.h}>],
1064 [void *foo = &($name['k'])],
1065 [cf_cv_curses_wacs_map=$name
1069 test "$cf_cv_curses_wacs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_WACS_ARRAY,$cf_cv_curses_wacs_map,[Define to name of (n)curses wide-character array])
1071 dnl ---------------------------------------------------------------------------
1072 dnl CF_CURSES_WACS_SYMBOLS version: 2 updated: 2012/10/06 08:57:51
1073 dnl ----------------------
1074 dnl Do a check to see if the WACS_xxx constants are defined compatibly with
1075 dnl X/Open Curses. In particular, NetBSD's implementation of the WACS_xxx
1076 dnl constants is broken since those constants do not point to cchar_t's.
1077 AC_DEFUN([CF_CURSES_WACS_SYMBOLS],
1079 AC_REQUIRE([CF_CURSES_WACS_MAP])
1081 AC_CACHE_CHECK(for wide alternate character constants, cf_cv_curses_wacs_symbols,[
1082 cf_cv_curses_wacs_symbols=no
1083 if test "$cf_cv_curses_wacs_map" != unknown
1086 #ifndef _XOPEN_SOURCE_EXTENDED
1087 #define _XOPEN_SOURCE_EXTENDED
1089 #include <${cf_cv_ncurses_header:-curses.h}>],
1090 [cchar_t *foo = WACS_PLUS;
1091 $cf_cv_curses_wacs_map['k'] = *WACS_PLUS],
1092 [cf_cv_curses_wacs_symbols=yes])
1095 #ifndef _XOPEN_SOURCE_EXTENDED
1096 #define _XOPEN_SOURCE_EXTENDED
1098 #include <${cf_cv_ncurses_header:-curses.h}>],
1099 [cchar_t *foo = WACS_PLUS],
1100 [cf_cv_curses_wacs_symbols=yes])
1104 test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS,1,[Define to 1 if (n)curses supports wide-character WACS_ symbols])
1106 dnl ---------------------------------------------------------------------------
1107 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1109 dnl "dirname" is not portable, so we fake it with a shell script.
1110 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1111 dnl ---------------------------------------------------------------------------
1112 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1114 dnl You can always use "make -n" to see the actual options, but it's hard to
1115 dnl pick out/analyze warning messages when the compile-line is long.
1118 dnl ECHO_LT - symbol to control if libtool is verbose
1119 dnl ECHO_LD - symbol to prefix "cc -o" lines
1120 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1121 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
1122 dnl ECHO_CC - symbol to put before any "cc" line
1124 AC_DEFUN([CF_DISABLE_ECHO],[
1125 AC_MSG_CHECKING(if you want to see long compiling messages)
1126 CF_ARG_DISABLE(echo,
1127 [ --disable-echo do not display "compiling" commands],
1130 ECHO_LD='@echo linking [$]@;'
1131 RULE_CC='@echo compiling [$]<'
1132 SHOW_CC='@echo compiling [$]@'
1141 AC_MSG_RESULT($enableval)
1148 dnl ---------------------------------------------------------------------------
1149 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1150 dnl ----------------
1151 dnl Combine no-leak checks with the libraries or tools that are used for the
1153 AC_DEFUN([CF_DISABLE_LEAKS],[
1155 AC_REQUIRE([CF_WITH_DMALLOC])
1156 AC_REQUIRE([CF_WITH_DBMALLOC])
1157 AC_REQUIRE([CF_WITH_VALGRIND])
1159 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1160 AC_ARG_ENABLE(leaks,
1161 [ --disable-leaks test: free permanent memory, analyze leaks],
1162 [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1163 : ${with_no_leaks:=no})
1164 AC_MSG_RESULT($with_no_leaks)
1166 if test "$with_no_leaks" = yes ; then
1167 AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1168 AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1171 dnl ---------------------------------------------------------------------------
1172 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1173 dnl ---------------------
1174 dnl The rpath-hack makes it simpler to build programs, particularly with the
1175 dnl *BSD ports which may have essential libraries in unusual places. But it
1176 dnl can interfere with building an executable for the base system. Use this
1177 dnl option in that case.
1178 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1180 AC_MSG_CHECKING(if rpath-hack should be disabled)
1181 CF_ARG_DISABLE(rpath-hack,
1182 [ --disable-rpath-hack don't add rpath options for additional libraries],
1183 [cf_disable_rpath_hack=yes],
1184 [cf_disable_rpath_hack=no])
1185 AC_MSG_RESULT($cf_disable_rpath_hack)
1186 if test "$cf_disable_rpath_hack" = no ; then
1190 dnl ---------------------------------------------------------------------------
1191 dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
1192 dnl ----------------------
1193 dnl On a few platforms, the compiler and/or loader nags with untruthful
1194 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1195 dnl and implying that most uses of the recommended alternatives are correct.
1197 dnl Factually speaking, no one has actually counted the number of uses of these
1198 dnl functions versus the total of incorrect uses. Samples of a few thousand
1199 dnl instances are meaningless compared to the hundreds of millions of lines of
1200 dnl existing C code.
1202 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1203 dnl platforms, in implementations of varying quality. Likewise, snprintf is
1204 dnl standard - but evolved through phases, and older implementations are likely
1205 dnl to yield surprising results, as documented in manpages on various systems.
1206 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1208 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1209 AC_ARG_ENABLE(string-hacks,
1210 [ --enable-string-hacks work around bogus compiler/loader warnings],
1211 [with_string_hacks=$enableval],
1212 [with_string_hacks=no])
1213 AC_MSG_RESULT($with_string_hacks)
1215 if test "x$with_string_hacks" = "xyes"; then
1216 AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1217 AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1218 AC_CHECK_FUNC(strlcat,[
1219 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1221 AC_CHECK_LIB(bsd,strlcat,[
1223 AC_CHECK_HEADERS(bsd/string.h)
1224 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1227 AC_CHECK_FUNCS( strlcpy snprintf )
1230 dnl ---------------------------------------------------------------------------
1231 dnl CF_ENABLE_WARNINGS version: 5 updated: 2017/09/29 20:01:16
1232 dnl ------------------
1233 dnl Configure-option to enable gcc warnings
1234 AC_DEFUN([CF_ENABLE_WARNINGS],[
1235 if ( test "$GCC" = yes || test "$GXX" = yes )
1237 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1238 CF_ARG_ENABLE(warnings,
1239 [ --enable-warnings test: turn on gcc compiler warnings],
1240 [with_warnings=yes],
1242 AC_MSG_RESULT($with_warnings)
1243 if test "$with_warnings" = "yes"
1250 dnl ---------------------------------------------------------------------------
1251 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1253 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1254 dnl prefer a standard location, and use -L options only if we do not find the
1255 dnl library in the standard library location(s).
1256 dnl $1 = library name
1257 dnl $2 = library class, usually the same as library name
1259 dnl $4 = code fragment to compile/link
1260 dnl $5 = corresponding function-name
1261 dnl $6 = flag, nonnull if failure should not cause an error-exit
1263 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1264 dnl to use a -L option.
1265 AC_DEFUN([CF_FIND_LIBRARY],
1267 eval 'cf_cv_have_lib_'$1'=no'
1270 eval 'cf_cv_have_lib_'$1'=yes',[
1271 cf_save_LIBS="$LIBS"
1272 AC_MSG_CHECKING(for $5 in -l$1)
1274 AC_TRY_LINK([$3],[$4],
1276 eval 'cf_cv_have_lib_'$1'=yes'
1279 CF_LIBRARY_PATH(cf_search,$2)
1280 for cf_libdir in $cf_search
1282 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1283 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1284 AC_TRY_LINK([$3],[$4],
1286 eval 'cf_cv_have_lib_'$1'=yes'
1289 LIBS="$cf_save_LIBS"])
1293 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1295 if test $cf_found_library = no ; then
1296 AC_MSG_ERROR(Cannot link $1 library)
1300 dnl ---------------------------------------------------------------------------
1301 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1303 dnl Find a library (specifically the linkage used in the code fragment),
1304 dnl searching for it if it is not already in the library path.
1305 dnl See also CF_ADD_SEARCHPATH.
1307 dnl Parameters (4-on are optional):
1308 dnl $1 = headers for library entrypoint
1309 dnl $2 = code fragment for library entrypoint
1310 dnl $3 = the library name without the "-l" option or ".so" suffix.
1311 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1312 dnl $5 = action to perform if not successful
1313 dnl $6 = module name, if not the same as the library name
1314 dnl $7 = extra libraries
1316 dnl Sets these variables:
1317 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1318 dnl $cf_cv_header_path_$3 - include-directory if needed
1319 dnl $cf_cv_library_path_$3 - library-directory if needed
1320 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1321 AC_DEFUN([CF_FIND_LINKAGE],[
1323 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1324 # will be set on completion of the AC_TRY_LINK below.
1325 cf_cv_header_path_$3=
1326 cf_cv_library_path_$3=
1328 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1330 cf_save_LIBS="$LIBS"
1332 AC_TRY_LINK([$1],[$2],[
1333 cf_cv_find_linkage_$3=yes
1334 cf_cv_header_path_$3=/usr/include
1335 cf_cv_library_path_$3=/usr/lib
1338 LIBS="-l$3 $7 $cf_save_LIBS"
1340 AC_TRY_LINK([$1],[$2],[
1341 cf_cv_find_linkage_$3=yes
1342 cf_cv_header_path_$3=/usr/include
1343 cf_cv_library_path_$3=/usr/lib
1344 cf_cv_library_file_$3="-l$3"
1346 cf_cv_find_linkage_$3=no
1347 LIBS="$cf_save_LIBS"
1349 CF_VERBOSE(find linkage for $3 library)
1350 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1352 cf_save_CPPFLAGS="$CPPFLAGS"
1353 cf_test_CPPFLAGS="$CPPFLAGS"
1355 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1356 for cf_cv_header_path_$3 in $cf_search
1358 if test -d $cf_cv_header_path_$3 ; then
1359 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1360 CPPFLAGS="$cf_save_CPPFLAGS"
1361 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1362 AC_TRY_COMPILE([$1],[$2],[
1363 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1364 cf_cv_find_linkage_$3=maybe
1365 cf_test_CPPFLAGS="$CPPFLAGS"
1367 CPPFLAGS="$cf_save_CPPFLAGS"
1372 if test "$cf_cv_find_linkage_$3" = maybe ; then
1374 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1376 cf_save_LIBS="$LIBS"
1377 cf_save_LDFLAGS="$LDFLAGS"
1380 CPPFLAGS="$cf_test_CPPFLAGS"
1381 LIBS="-l$3 $7 $cf_save_LIBS"
1382 AC_TRY_LINK([$1],[$2],[
1383 CF_VERBOSE(... found $3 library in system)
1384 cf_cv_find_linkage_$3=yes])
1385 CPPFLAGS="$cf_save_CPPFLAGS"
1386 LIBS="$cf_save_LIBS"
1389 if test "$cf_cv_find_linkage_$3" != yes ; then
1390 CF_LIBRARY_PATH(cf_search,$3)
1391 for cf_cv_library_path_$3 in $cf_search
1393 if test -d $cf_cv_library_path_$3 ; then
1394 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1395 CPPFLAGS="$cf_test_CPPFLAGS"
1396 LIBS="-l$3 $7 $cf_save_LIBS"
1397 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1398 AC_TRY_LINK([$1],[$2],[
1399 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1400 cf_cv_find_linkage_$3=yes
1401 cf_cv_library_file_$3="-l$3"
1403 CPPFLAGS="$cf_save_CPPFLAGS"
1404 LIBS="$cf_save_LIBS"
1405 LDFLAGS="$cf_save_LDFLAGS"
1409 CPPFLAGS="$cf_save_CPPFLAGS"
1410 LDFLAGS="$cf_save_LDFLAGS"
1414 cf_cv_find_linkage_$3=no
1419 LIBS="$cf_save_LIBS"
1421 if test "$cf_cv_find_linkage_$3" = yes ; then
1423 CF_ADD_INCDIR($cf_cv_header_path_$3)
1424 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1428 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1431 dnl ---------------------------------------------------------------------------
1432 dnl CF_FUNC_CURSES_VERSION version: 7 updated: 2017/05/10 18:31:29
1433 dnl ----------------------
1434 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
1435 dnl It's a character string "SVR4", not documented.
1436 AC_DEFUN([CF_FUNC_CURSES_VERSION],
1438 AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[
1440 #include <${cf_cv_ncurses_header:-curses.h}>
1444 sprintf(temp, "%s\n", curses_version());
1445 ${cf_cv_main_return:-return}(0);
1447 ,[cf_cv_func_curses_version=yes]
1448 ,[cf_cv_func_curses_version=no]
1449 ,[cf_cv_func_curses_version=unknown])
1451 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function])
1453 dnl ---------------------------------------------------------------------------
1454 dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
1456 dnl Check for openpty() function, along with <pty.h> header. It may need the
1457 dnl "util" library as well.
1458 AC_DEFUN([CF_FUNC_OPENPTY],
1460 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1461 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1462 cf_save_LIBS="$LIBS"
1463 test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
1464 for cf_header in pty.h libutil.h util.h
1467 #include <$cf_header>
1469 int x = openpty((int *)0, (int *)0, (char *)0,
1470 (struct termios *)0, (struct winsize *)0);
1472 cf_cv_func_openpty=$cf_header
1475 cf_cv_func_openpty=no
1478 LIBS="$cf_save_LIBS"
1481 dnl ---------------------------------------------------------------------------
1482 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
1483 dnl -----------------
1484 dnl Test for availability of useful gcc __attribute__ directives to quiet
1485 dnl compiler warnings. Though useful, not all are supported -- and contrary
1486 dnl to documentation, unrecognized directives cause older compilers to barf.
1487 AC_DEFUN([CF_GCC_ATTRIBUTES],
1489 if test "$GCC" = yes
1491 cat > conftest.i <<EOF
1493 #define GCC_PRINTF 0
1498 #ifndef GCC_NORETURN
1499 #define GCC_NORETURN /* nothing */
1502 #define GCC_UNUSED /* nothing */
1505 if test "$GCC" = yes
1507 AC_CHECKING([for $CC __attribute__ directives])
1508 cat > conftest.$ac_ext <<EOF
1509 #line __oline__ "${as_me:-configure}"
1510 #include "confdefs.h"
1511 #include "conftest.h"
1512 #include "conftest.i"
1514 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1516 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1519 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1521 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1523 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1524 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1525 extern void foo(void) GCC_NORETURN;
1526 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1528 cf_printf_attribute=no
1529 cf_scanf_attribute=no
1530 for cf_attribute in scanf printf unused noreturn
1532 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1533 cf_directive="__attribute__(($cf_attribute))"
1534 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1536 case $cf_attribute in
1538 cf_printf_attribute=yes
1539 cat >conftest.h <<EOF
1540 #define GCC_$cf_ATTRIBUTE 1
1544 cf_scanf_attribute=yes
1545 cat >conftest.h <<EOF
1546 #define GCC_$cf_ATTRIBUTE 1
1550 cat >conftest.h <<EOF
1551 #define GCC_$cf_ATTRIBUTE $cf_directive
1556 if AC_TRY_EVAL(ac_compile); then
1557 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1558 cat conftest.h >>confdefs.h
1559 case $cf_attribute in
1561 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1564 cf_value='/* nothing */'
1565 if test "$cf_printf_attribute" != no ; then
1566 cf_value='__attribute__((format(printf,fmt,var)))'
1567 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1569 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1572 cf_value='/* nothing */'
1573 if test "$cf_scanf_attribute" != no ; then
1574 cf_value='__attribute__((format(scanf,fmt,var)))'
1575 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1577 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1580 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1586 fgrep define conftest.i >>confdefs.h
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1594 dnl Find version of gcc
1595 AC_DEFUN([CF_GCC_VERSION],[
1596 AC_REQUIRE([AC_PROG_CC])
1598 if test "$GCC" = yes ; then
1599 AC_MSG_CHECKING(version of $CC)
1600 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1601 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1602 AC_MSG_RESULT($GCC_VERSION)
1605 dnl ---------------------------------------------------------------------------
1606 dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
1608 dnl Check if the compiler supports useful warning options. There's a few that
1609 dnl we don't use, simply because they're too noisy:
1611 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1612 dnl -Wredundant-decls (system headers make this too noisy)
1613 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1614 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1615 dnl is enabled for ncurses using "--enable-const".
1619 dnl $1 is an optional list of gcc warning flags that a particular
1620 dnl application might want to use, e.g., "no-unused" for
1623 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1625 AC_DEFUN([CF_GCC_WARNINGS],
1627 AC_REQUIRE([CF_GCC_VERSION])
1628 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1629 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1631 cat > conftest.$ac_ext <<EOF
1632 #line __oline__ "${as_me:-configure}"
1633 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1636 if test "$INTEL_COMPILER" = yes
1638 # The "-wdXXX" options suppress warnings:
1639 # remark #1419: external declaration in primary source file
1640 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1641 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1642 # remark #193: zero used for undefined preprocessing identifier
1643 # remark #593: variable "curs_sb_left_arrow" was set but never used
1644 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1645 # remark #869: parameter "tw" was never referenced
1646 # remark #981: operands are evaluated in unspecified order
1647 # warning #279: controlling expression is constant
1649 AC_CHECKING([for $CC warning options])
1650 cf_save_CFLAGS="$CFLAGS"
1651 EXTRA_CFLAGS="-Wall"
1663 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1664 if AC_TRY_EVAL(ac_compile); then
1665 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1666 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1669 CFLAGS="$cf_save_CFLAGS"
1671 elif test "$GCC" = yes
1673 AC_CHECKING([for $CC warning options])
1674 cf_save_CFLAGS="$CFLAGS"
1677 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1678 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1679 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1680 for cf_opt in W Wall \
1681 Wbad-function-cast \
1684 Wdeclaration-after-statement \
1687 Wmissing-declarations \
1688 Wmissing-prototypes \
1692 Wstrict-prototypes \
1693 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1695 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1696 if AC_TRY_EVAL(ac_compile); then
1697 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1700 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1703 case $GCC_VERSION in
1705 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1710 case $GCC_VERSION in
1712 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1717 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1720 CFLAGS="$cf_save_CFLAGS"
1724 AC_SUBST(EXTRA_CFLAGS)
1726 dnl ---------------------------------------------------------------------------
1727 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
1728 dnl ----------------
1729 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1730 dnl unistd.h or (nonstandard) in getopt.h
1731 AC_DEFUN([CF_GETOPT_HEADER],
1733 AC_HAVE_HEADERS(unistd.h getopt.h)
1734 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1735 cf_cv_getopt_header=none
1736 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1739 #include <$cf_header>],
1740 [int x = optind; char *y = optarg],
1741 [cf_cv_getopt_header=$cf_header
1745 if test $cf_cv_getopt_header != none ; then
1746 AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
1748 if test $cf_cv_getopt_header = getopt.h ; then
1749 AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
1752 dnl ---------------------------------------------------------------------------
1753 dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
1755 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1756 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1757 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1758 dnl since it is interwoven with GNU extensions.
1760 dnl Well, yes we could work around it...
1763 dnl $1 is the nominal value for _XOPEN_SOURCE
1764 AC_DEFUN([CF_GNU_SOURCE],
1766 cf_gnu_xopen_source=ifelse($1,,500,$1)
1768 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1769 AC_TRY_COMPILE([#include <sys/types.h>],[
1770 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1773 # error not GNU C library
1775 [cf_cv_gnu_library=yes],
1776 [cf_cv_gnu_library=no])
1779 if test x$cf_cv_gnu_library = xyes; then
1781 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1782 # was changed to help a little...
1783 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1785 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1786 AC_TRY_COMPILE([#include <sys/types.h>],[
1787 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1790 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1792 [cf_cv_gnu_library_219=yes],
1793 [cf_cv_gnu_library_219=no])
1797 if test "x$cf_cv_gnu_library_219" = xyes; then
1799 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1800 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1803 #include <sys/types.h>
1805 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1808 # error GNU C library is too old
1810 [cf_cv_gnu_dftsrc_219=yes],
1811 [cf_cv_gnu_dftsrc_219=no])
1813 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1815 cf_cv_gnu_dftsrc_219=maybe
1818 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1820 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1821 AC_TRY_COMPILE([#include <sys/types.h>],[
1822 #ifndef _XOPEN_SOURCE
1823 #error expected _XOPEN_SOURCE to be defined
1825 [cf_cv_gnu_source=no],
1826 [cf_save="$CPPFLAGS"
1827 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1828 AC_TRY_COMPILE([#include <sys/types.h>],[
1829 #ifdef _XOPEN_SOURCE
1830 #error expected _XOPEN_SOURCE to be undefined
1832 [cf_cv_gnu_source=no],
1833 [cf_cv_gnu_source=yes])
1838 if test "$cf_cv_gnu_source" = yes
1840 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1841 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1842 AC_TRY_COMPILE([#include <sys/types.h>],[
1843 #ifdef _DEFAULT_SOURCE
1844 #error expected _DEFAULT_SOURCE to be undefined
1846 [cf_cv_default_source=no],
1847 [cf_cv_default_source=yes])
1849 if test "$cf_cv_default_source" = yes
1851 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1858 dnl ---------------------------------------------------------------------------
1859 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1861 dnl Construct a search-list of directories for a nonstandard header-file
1864 dnl $1 = the variable to return as result
1865 dnl $2 = the package name
1866 AC_DEFUN([CF_HEADER_PATH],
1870 # collect the current set of include-directories from compiler flags
1871 cf_header_path_list=""
1872 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1873 for cf_header_path in $CPPFLAGS $CFLAGS
1875 case $cf_header_path in
1877 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1878 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1879 cf_header_path_list="$cf_header_path_list [$]$1"
1885 # add the variations for the package we are looking for
1886 CF_SUBDIR_PATH($1,$2,include)
1888 test "$includedir" != NONE && \
1889 test "$includedir" != "/usr/include" && \
1890 test -d "$includedir" && {
1891 test -d $includedir && $1="[$]$1 $includedir"
1892 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1895 test "$oldincludedir" != NONE && \
1896 test "$oldincludedir" != "/usr/include" && \
1897 test -d "$oldincludedir" && {
1898 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1899 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1902 $1="[$]$1 $cf_header_path_list"
1904 dnl ---------------------------------------------------------------------------
1905 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1907 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1908 AC_DEFUN([CF_HELP_MESSAGE],
1909 [AC_DIVERT_HELP([$1])dnl
1911 dnl ---------------------------------------------------------------------------
1912 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
1913 dnl -----------------
1914 dnl If we do not have a given script, look for it in the parent directory.
1915 AC_DEFUN([CF_INHERIT_SCRIPT],
1917 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
1919 dnl ---------------------------------------------------------------------------
1920 dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51
1922 dnl prompt for/fill-in useful install-program options
1923 AC_DEFUN([CF_INSTALL_OPTS],
1928 dnl ---------------------------------------------------------------------------
1929 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1930 dnl ----------------
1931 dnl Almost all "install" programs default to the current user's ownership.
1932 dnl Almost - MINIX is an exception.
1933 AC_DEFUN([CF_INSTALL_OPT_O],
1935 AC_MSG_CHECKING(if install needs to be told about ownership)
1936 case `$ac_config_guess` in
1945 AC_MSG_RESULT($with_install_o)
1946 if test "x$with_install_o" = xyes
1948 INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
1953 AC_SUBST(INSTALL_OPT_O)
1955 dnl ---------------------------------------------------------------------------
1956 dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51
1957 dnl ----------------
1958 dnl By default, we should strip executables which are installed, but leave the
1959 dnl ability to suppress that for unit-testing.
1960 AC_DEFUN([CF_INSTALL_OPT_S],
1962 AC_MSG_CHECKING(if you want to install stripped executables)
1963 CF_ARG_DISABLE(stripping,
1964 [ --disable-stripping do not strip installed executables],
1965 [with_stripping=no],
1966 [with_stripping=yes])
1967 AC_MSG_RESULT($with_stripping)
1969 if test "$with_stripping" = yes
1975 AC_SUBST(INSTALL_OPT_S)
1977 dnl ---------------------------------------------------------------------------
1978 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1979 dnl -----------------
1980 dnl Check if the given compiler is really the Intel compiler for Linux. It
1981 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1982 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1984 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1985 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1986 dnl the wrappers for gcc and g++ warnings.
1988 dnl $1 = GCC (default) or GXX
1989 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1990 dnl $3 = CFLAGS (default) or CXXFLAGS
1991 AC_DEFUN([CF_INTEL_COMPILER],[
1992 AC_REQUIRE([AC_CANONICAL_HOST])
1993 ifelse([$2],,INTEL_COMPILER,[$2])=no
1995 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1998 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1999 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2000 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2002 #ifdef __INTEL_COMPILER
2006 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2007 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2009 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2010 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2015 dnl ---------------------------------------------------------------------------
2016 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
2018 dnl For the given system and compiler, find the compiler flags to pass to the
2019 dnl loader to use the "rpath" feature.
2020 AC_DEFUN([CF_LD_RPATH_OPT],
2022 AC_REQUIRE([CF_CHECK_CACHE])
2025 AC_MSG_CHECKING(for an rpath option)
2026 case $cf_cv_system_name in
2028 if test "$GCC" = yes; then
2029 LD_RPATH_OPT="-Wl,-rpath,"
2031 LD_RPATH_OPT="-rpath "
2034 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2035 LD_RPATH_OPT="-Wl,-rpath,"
2037 (openbsd[[2-9]].*|mirbsd*)
2038 LD_RPATH_OPT="-Wl,-rpath,"
2041 LD_RPATH_OPT="-rpath "
2044 LD_RPATH_OPT="-Wl,-rpath,"
2047 LD_RPATH_OPT="-rpath "
2055 AC_MSG_RESULT($LD_RPATH_OPT)
2057 case "x$LD_RPATH_OPT" in
2059 AC_MSG_CHECKING(if we need a space after rpath option)
2060 cf_save_LIBS="$LIBS"
2061 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2062 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2063 LIBS="$cf_save_LIBS"
2064 AC_MSG_RESULT($cf_rpath_space)
2065 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2069 dnl ---------------------------------------------------------------------------
2070 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2072 dnl Construct a search-list of directories for a nonstandard library-file
2075 dnl $1 = the variable to return as result
2076 dnl $2 = the package name
2077 AC_DEFUN([CF_LIBRARY_PATH],
2080 cf_library_path_list=""
2081 if test -n "${LDFLAGS}${LIBS}" ; then
2082 for cf_library_path in $LDFLAGS $LIBS
2084 case $cf_library_path in
2086 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2087 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2088 cf_library_path_list="$cf_library_path_list [$]$1"
2094 CF_SUBDIR_PATH($1,$2,lib)
2096 $1="$cf_library_path_list [$]$1"
2098 dnl ---------------------------------------------------------------------------
2099 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2101 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2102 dnl a monocase filesystem.
2103 AC_DEFUN([CF_MAKE_TAGS],[
2104 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2106 AC_CHECK_PROGS(CTAGS, exctags ctags)
2107 AC_CHECK_PROGS(ETAGS, exetags etags)
2109 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2111 if test "$cf_cv_mixedcase" = yes ; then
2112 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2117 if test "$MAKE_UPPER_TAGS" = yes ; then
2123 if test "$MAKE_LOWER_TAGS" = yes ; then
2132 AC_SUBST(MAKE_UPPER_TAGS)
2133 AC_SUBST(MAKE_LOWER_TAGS)
2135 dnl ---------------------------------------------------------------------------
2136 dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25
2138 dnl Checks for libraries. At least one UNIX system, Apple Macintosh
2139 dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
2140 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
2141 AC_DEFUN([CF_MATH_LIB],
2143 AC_CACHE_CHECK(if -lm needed for math functions,
2150 [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
2151 [cf_cv_need_libm=no],
2152 [cf_cv_need_libm=yes])])
2153 if test "$cf_cv_need_libm" = yes
2160 dnl ---------------------------------------------------------------------------
2161 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2162 dnl ----------------------
2163 dnl Check if the file-system supports mixed-case filenames. If we're able to
2164 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2165 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2167 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2168 if test "$cross_compiling" = yes ; then
2169 case $target_alias in
2170 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2178 rm -f conftest CONFTEST
2180 if test -f CONFTEST ; then
2185 rm -f conftest CONFTEST
2188 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2190 dnl ---------------------------------------------------------------------------
2191 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2193 dnl Write a debug message to config.log, along with the line number in the
2194 dnl configure script.
2195 AC_DEFUN([CF_MSG_LOG],[
2196 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2198 dnl ---------------------------------------------------------------------------
2199 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2200 dnl -------------------
2201 dnl Check if we can compile with ncurses' header file
2202 dnl $1 is the cache variable to set
2203 dnl $2 is the header-file to include
2204 dnl $3 is the root name (ncurses or ncursesw)
2205 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2207 ]ifelse($3,ncursesw,[
2208 #define _XOPEN_SOURCE_EXTENDED
2209 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2210 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2213 #ifdef NCURSES_VERSION
2214 ]ifelse($3,ncursesw,[
2219 printf("%s\n", NCURSES_VERSION);
2231 dnl ---------------------------------------------------------------------------
2232 dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
2233 dnl -----------------
2234 dnl Tie together the configure-script macros for ncurses, preferring these in
2236 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2237 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2238 dnl c) just plain libraries
2240 dnl $1 is the root library name (default: "ncurses")
2241 AC_DEFUN([CF_NCURSES_CONFIG],[
2242 AC_REQUIRE([CF_PKG_CONFIG])
2243 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2244 cf_have_ncuconfig=no
2246 if test "x${PKG_CONFIG:=none}" != xnone; then
2247 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2248 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2251 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2252 cf_have_ncuconfig=unknown
2254 cf_save_CPPFLAGS="$CPPFLAGS"
2255 cf_save_LIBS="$LIBS"
2257 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
2258 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2260 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2261 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2262 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2264 { char *xx = curses_version(); return (xx == 0); }],
2265 [cf_have_ncuconfig=yes],
2266 [cf_have_ncuconfig=no],
2267 [cf_have_ncuconfig=maybe])],
2268 [cf_have_ncuconfig=no])
2269 AC_MSG_RESULT($cf_have_ncuconfig)
2270 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2271 if test "$cf_have_ncuconfig" != "yes"
2273 CPPFLAGS="$cf_save_CPPFLAGS"
2274 LIBS="$cf_save_LIBS"
2275 NCURSES_CONFIG_PKG=none
2277 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2278 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2284 NCURSES_CONFIG_PKG=none
2287 NCURSES_CONFIG_PKG=none
2290 if test "x$cf_have_ncuconfig" = "xno"; then
2291 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2293 CF_ACVERSION_CHECK(2.52,
2294 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2295 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2297 if test "$NCURSES_CONFIG" != none ; then
2299 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2300 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2302 # even with config script, some packages use no-override for curses.h
2303 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2305 dnl like CF_NCURSES_CPPFLAGS
2306 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2308 dnl like CF_NCURSES_LIBS
2309 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2310 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2312 dnl like CF_NCURSES_VERSION
2313 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2317 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2318 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2325 dnl ---------------------------------------------------------------------------
2326 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2327 dnl -------------------
2328 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2329 dnl the CPPFLAGS variable so we can include its header.
2331 dnl The header files may be installed as either curses.h, or ncurses.h (would
2332 dnl be obsolete, except that some packagers prefer this name to distinguish it
2333 dnl from a "native" curses implementation). If not installed for overwrite,
2334 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2335 dnl /usr/include/ncurses), but someone may have installed overwriting the
2336 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2337 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2340 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2341 dnl is already in the include-path, don't even bother with this, since we cannot
2342 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2344 dnl The optional parameter gives the root name of the library, in case it is
2345 dnl not installed as the default curses library. That is how the
2346 dnl wide-character version of ncurses is installed.
2347 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2348 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2350 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2351 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2353 test -n "$cf_cv_curses_dir" && \
2354 test "$cf_cv_curses_dir" != "no" && { \
2355 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2358 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2359 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2360 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2361 for cf_header in $cf_header_list
2363 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2364 test "$cf_cv_ncurses_h" != no && break
2371 # some applications need this, but should check for NCURSES_VERSION
2372 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2376 dnl ---------------------------------------------------------------------------
2377 dnl CF_NCURSES_EXT_FUNCS version: 4 updated: 2012/10/06 16:39:58
2378 dnl --------------------
2379 dnl Since 2007/11/17, ncurses has defined NCURSES_EXT_FUNCS; earlier versions
2380 dnl may provide these functions. Define the symbol if it is not defined, and
2382 AC_DEFUN([CF_NCURSES_EXT_FUNCS],
2384 AC_CACHE_CHECK(for ncurses extended functions,cf_cv_ncurses_ext_funcs,[
2386 #include <${cf_cv_ncurses_header:-curses.h}>],
2388 int x = NCURSES_EXT_FUNCS
2389 ],[cf_cv_ncurses_ext_funcs=defined],[
2391 #include <${cf_cv_ncurses_header:-curses.h}>],
2393 (void) assume_default_colors (0, 0);
2394 (void) curses_version ();
2395 (void) define_key (0, 0);
2396 (void) is_term_resized (0, 0);
2397 (void) key_defined (0);
2398 (void) keybound (0, 0);
2399 (void) keyok (0, 0);
2400 (void) resize_term (0, 0);
2401 (void) resizeterm (0, 0);
2402 (void) use_default_colors ();
2403 (void) use_extended_names (0);
2404 (void) wresize (0, 0, 0);],
2405 [cf_cv_ncurses_ext_funcs=yes],
2406 [cf_cv_ncurses_ext_funcs=no])
2409 test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 if we have ncurses extensions])
2411 dnl ---------------------------------------------------------------------------
2412 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2413 dnl -----------------
2414 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2415 dnl variations of ncurses' installs.
2417 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2418 AC_DEFUN([CF_NCURSES_HEADER],[
2420 if test "$cf_cv_ncurses_h" != no ; then
2421 cf_cv_ncurses_header=$cf_cv_ncurses_h
2424 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2425 test -n "$verbose" && echo
2426 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2427 test -n "$verbose" && echo search path $cf_search
2428 cf_save2_CPPFLAGS="$CPPFLAGS"
2429 for cf_incdir in $cf_search
2431 CF_ADD_INCDIR($cf_incdir)
2436 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2437 if test "$cf_cv_ncurses_h2" != no ; then
2438 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2439 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2442 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2444 CPPFLAGS="$cf_save2_CPPFLAGS"
2445 test "$cf_cv_ncurses_h2" != no && break
2447 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2450 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2451 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2452 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2453 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2455 CF_ADD_INCDIR($cf_1st_incdir)
2459 # Set definitions to allow ifdef'ing for ncurses.h
2461 case $cf_cv_ncurses_header in
2463 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2467 case $cf_cv_ncurses_header in
2468 (ncurses/curses.h|ncurses/ncurses.h)
2469 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2471 (ncursesw/curses.h|ncursesw/ncurses.h)
2472 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2477 dnl ---------------------------------------------------------------------------
2478 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2480 dnl Look for the ncurses library. This is a little complicated on Linux,
2481 dnl because it may be linked with the gpm (general purpose mouse) library.
2482 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2483 dnl unusable with ncurses. However, we don't want to link with gpm unless
2484 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2485 dnl and the linker will record a dependency.
2487 dnl The optional parameter gives the root name of the library, in case it is
2488 dnl not installed as the default curses library. That is how the
2489 dnl wide-character version of ncurses is installed.
2490 AC_DEFUN([CF_NCURSES_LIBS],
2491 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2493 cf_nculib_root=ifelse($1,,ncurses,$1)
2494 # This works, except for the special case where we find gpm, but
2495 # ncurses is in a nonstandard location via $LIBS, and we really want
2498 cf_ncurses_SAVE="$LIBS"
2499 AC_CHECK_LIB(gpm,Gpm_Open,
2500 [AC_CHECK_LIB(gpm,initscr,
2501 [LIBS="$cf_ncurses_SAVE"],
2502 [cf_ncurses_LIBS="-lgpm"])])
2506 # This is only necessary if you are linking against an obsolete
2507 # version of ncurses (but it should do no harm, since it's static).
2508 if test "$cf_nculib_root" = ncurses ; then
2509 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2514 CF_ADD_LIBS($cf_ncurses_LIBS)
2516 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2518 CF_ADD_LIBS(-l$cf_nculib_root)
2520 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2521 [#include <${cf_cv_ncurses_header:-curses.h}>],
2526 if test -n "$cf_ncurses_LIBS" ; then
2527 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2528 cf_ncurses_SAVE="$LIBS"
2529 for p in $cf_ncurses_LIBS ; do
2530 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2531 if test "$q" != "$LIBS" ; then
2535 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2536 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2537 [AC_MSG_RESULT(yes)],
2539 LIBS="$cf_ncurses_SAVE"])
2542 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2543 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2545 dnl ---------------------------------------------------------------------------
2546 dnl CF_NCURSES_PTHREADS version: 2 updated: 2016/04/22 05:07:41
2547 dnl -------------------
2548 dnl Use this followup check to ensure that we link with pthreads if ncurses
2550 AC_DEFUN([CF_NCURSES_PTHREADS],[
2551 : ${cf_nculib_root:=ifelse($1,,ncurses,$1)}
2552 AC_CHECK_LIB($cf_nculib_root,_nc_init_pthreads,
2553 cf_cv_ncurses_pthreads=yes,
2554 cf_cv_ncurses_pthreads=no)
2555 if test "$cf_cv_ncurses_pthreads" = yes
2557 CF_ADD_LIBS(-lpthread)
2560 dnl ---------------------------------------------------------------------------
2561 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2562 dnl ------------------
2563 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2564 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2565 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2566 AC_DEFUN([CF_NCURSES_VERSION],
2568 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2569 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2570 cf_cv_ncurses_version=no
2574 #include <${cf_cv_ncurses_header:-curses.h}>
2578 FILE *fp = fopen("$cf_tempfile", "w");
2579 #ifdef NCURSES_VERSION
2580 # ifdef NCURSES_VERSION_PATCH
2581 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2583 fprintf(fp, "%s\n", NCURSES_VERSION);
2587 fprintf(fp, "old\n");
2592 ${cf_cv_main_return:-return}(0);
2594 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2596 # This will not work if the preprocessor splits the line after the
2597 # Autoconf token. The 'unproto' program does that.
2598 cat > conftest.$ac_ext <<EOF
2599 #include <${cf_cv_ncurses_header:-curses.h}>
2601 #ifdef NCURSES_VERSION
2602 Autoconf NCURSES_VERSION
2610 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2612 if test -f conftest.out ; then
2613 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2614 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2620 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2622 dnl ---------------------------------------------------------------------------
2623 dnl CF_NCURSES_WRAP_PREFIX version: 1 updated: 2009/03/28 16:08:10
2624 dnl ----------------------
2625 dnl Check for ncurses "wrap-prefix" used for public variables which have been
2626 dnl wrapped with a function to help with concurrency control.
2627 AC_DEFUN([CF_NCURSES_WRAP_PREFIX],
2629 AC_MSG_CHECKING(for ncurses wrap-prefix)
2630 AC_ARG_WITH(ncurses-wrap-prefix,
2631 [ --with-ncurses-wrap-prefix naming-prefix for ncurses wrapped-variables],
2632 [NCURSES_WRAP_PREFIX=$withval],
2633 [NCURSES_WRAP_PREFIX=_nc_])
2634 AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
2636 AC_SUBST(NCURSES_WRAP_PREFIX)
2638 dnl ---------------------------------------------------------------------------
2639 dnl CF_NETBSD_FORM_H version: 2 updated: 2012/10/06 16:39:58
2640 dnl ----------------
2641 dnl Check for NetBSD's form.h, which is incompatible with SVr4 and ncurses.
2642 dnl Some workarounds are needed in client programs to allow them to compile.
2643 AC_DEFUN([CF_NETBSD_FORM_H],[
2644 AC_CACHE_CHECK(for NetBSD form.h,cf_cv_netbsd_form_h,[
2646 #include <${cf_cv_ncurses_header:-curses.h}>
2650 int y = current_field(form)->cursor_ypos;
2651 int x = current_field(form)->cursor_xpos;
2652 ],[cf_cv_netbsd_form_h=yes
2653 ],[cf_cv_netbsd_form_h=no])
2656 test "$cf_cv_netbsd_form_h" = yes && AC_DEFINE(HAVE_NETBSD_FORM_H,1,[Define to 1 if we appear to be using NetBSD form.h])
2658 dnl ---------------------------------------------------------------------------
2659 dnl CF_NETBSD_MENU_H version: 2 updated: 2012/10/06 16:39:58
2660 dnl ----------------
2661 dnl Check for NetBSD's menu.h, which is incompatible with SVr4 and ncurses.
2662 dnl Some workarounds are needed in client programs to allow them to compile.
2663 AC_DEFUN([CF_NETBSD_MENU_H],[
2664 AC_CACHE_CHECK(for NetBSD menu.h,cf_cv_netbsd_menu_h,[
2666 #include <${cf_cv_ncurses_header:-curses.h}>
2670 int y = menu->max_item_width;
2671 ],[cf_cv_netbsd_menu_h=yes
2672 ],[cf_cv_netbsd_menu_h=no])
2675 test "$cf_cv_netbsd_menu_h" = yes && AC_DEFINE(HAVE_NETBSD_MENU_H,1,[Define to 1 if we appear to be using NetBSD menu.h])
2677 dnl ---------------------------------------------------------------------------
2678 dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00
2679 dnl ------------------
2680 dnl see CF_WITH_NO_LEAKS
2681 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2682 AC_MSG_CHECKING(if you want to use $1 for testing)
2685 [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
2688 : ${with_cflags:=-g}
2689 : ${with_no_leaks:=yes}
2692 AC_MSG_RESULT(${with_$1:-no})
2694 case .$with_cflags in
2706 dnl ---------------------------------------------------------------------------
2707 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2709 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2710 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2711 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2712 dnl delayed evaluation of those symbols.
2713 AC_DEFUN([CF_PATH_SYNTAX],[
2714 if test "x$prefix" != xNONE; then
2715 cf_path_syntax="$prefix"
2717 cf_path_syntax="$ac_default_prefix"
2721 (.\[$]\(*\)*|.\'*\'*)
2725 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2727 (.\[$]{*prefix}*|.\[$]{*dir}*)
2731 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2736 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2739 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2743 dnl ---------------------------------------------------------------------------
2744 dnl CF_PDCURSES_X11 version: 14 updated: 2018/06/20 20:23:13
2746 dnl Configure for PDCurses' X11 library
2747 AC_DEFUN([CF_PDCURSES_X11],[
2748 AC_REQUIRE([CF_X_ATHENA])
2750 CF_ACVERSION_CHECK(2.52,
2751 [AC_CHECK_TOOLS(XCURSES_CONFIG, xcurses-config, none)],
2752 [AC_PATH_PROGS(XCURSES_CONFIG, xcurses-config, none)])
2754 if test "$XCURSES_CONFIG" != none ; then
2756 CF_ADD_CFLAGS(`$XCURSES_CONFIG --cflags`)
2757 CF_ADD_LIBS(`$XCURSES_CONFIG --libs`)
2759 cf_cv_lib_XCurses=yes
2763 LDFLAGS="$LDFLAGS $X_LIBS"
2764 CF_CHECK_CFLAGS($X_CFLAGS)
2765 AC_CHECK_LIB(X11,XOpenDisplay,
2766 [CF_ADD_LIBS(-lX11)],,
2767 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
2768 AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[
2769 CF_ADD_LIBS(-lXCurses)
2771 #include <xcurses.h>
2772 char *XCursesProgramName = "test";
2774 [cf_cv_lib_XCurses=yes],
2775 [cf_cv_lib_XCurses=no])
2780 if test $cf_cv_lib_XCurses = yes ; then
2781 AC_DEFINE(UNIX,1,[Define to 1 if using PDCurses on Unix])
2782 AC_DEFINE(XCURSES,1,[Define to 1 if using PDCurses on Unix])
2783 AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES,1,[Define to 1 if using PDCurses on Unix]))
2785 AC_MSG_ERROR(Cannot link with XCurses)
2788 dnl ---------------------------------------------------------------------------
2789 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2791 dnl Check for the package-config program, unless disabled by command-line.
2792 AC_DEFUN([CF_PKG_CONFIG],
2794 AC_MSG_CHECKING(if you want to use pkg-config)
2795 AC_ARG_WITH(pkg-config,
2796 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2797 [cf_pkg_config=$withval],
2798 [cf_pkg_config=yes])
2799 AC_MSG_RESULT($cf_pkg_config)
2801 case $cf_pkg_config in
2806 CF_ACVERSION_CHECK(2.52,
2807 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2808 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2815 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2816 if test "$PKG_CONFIG" != none ; then
2817 CF_PATH_SYNTAX(PKG_CONFIG)
2818 elif test "x$cf_pkg_config" != xno ; then
2819 AC_MSG_WARN(pkg-config is not installed)
2822 AC_SUBST(PKG_CONFIG)
2824 dnl ---------------------------------------------------------------------------
2825 dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
2826 dnl -----------------
2827 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2829 dnl POSIX.1-1990 _POSIX_SOURCE
2830 dnl POSIX.1-1990 and _POSIX_SOURCE and
2831 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2833 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2834 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2835 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2838 dnl $1 is the nominal value for _POSIX_C_SOURCE
2839 AC_DEFUN([CF_POSIX_C_SOURCE],
2841 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2843 cf_save_CFLAGS="$CFLAGS"
2844 cf_save_CPPFLAGS="$CPPFLAGS"
2846 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2847 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2849 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2850 CF_MSG_LOG(if the symbol is already defined go no further)
2851 AC_TRY_COMPILE([#include <sys/types.h>],[
2852 #ifndef _POSIX_C_SOURCE
2855 [cf_cv_posix_c_source=no],
2856 [cf_want_posix_source=no
2857 case .$cf_POSIX_C_SOURCE in
2859 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2862 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2863 cf_want_posix_source=yes
2866 cf_want_posix_source=yes
2869 if test "$cf_want_posix_source" = yes ; then
2870 AC_TRY_COMPILE([#include <sys/types.h>],[
2871 #ifdef _POSIX_SOURCE
2874 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2876 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2877 CFLAGS="$cf_trim_CFLAGS"
2878 CPPFLAGS="$cf_trim_CPPFLAGS"
2879 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
2880 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2881 AC_TRY_COMPILE([#include <sys/types.h>],[
2882 #ifndef _POSIX_C_SOURCE
2885 [cf_cv_posix_c_source=no])
2886 CFLAGS="$cf_save_CFLAGS"
2887 CPPFLAGS="$cf_save_CPPFLAGS"
2891 if test "$cf_cv_posix_c_source" != no ; then
2892 CFLAGS="$cf_trim_CFLAGS"
2893 CPPFLAGS="$cf_trim_CPPFLAGS"
2894 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2898 dnl ---------------------------------------------------------------------------
2899 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
2901 dnl Append definitions and rules for the given programs to the subdirectory
2902 dnl Makefiles, and the recursion rule for the top-level Makefile.
2905 dnl $1 = script to run
2906 dnl $2 = list of subdirectories
2910 AC_DEFUN([CF_PRG_RULES],
2914 if test ! -d $srcdir/$cf_dir; then
2916 elif test -f $srcdir/$cf_dir/programs; then
2917 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
2922 dnl ---------------------------------------------------------------------------
2923 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2925 dnl standard check for CC, plus followup sanity checks
2926 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2927 AC_DEFUN([CF_PROG_CC],[
2928 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2930 CF_ACVERSION_CHECK(2.52,
2935 dnl ---------------------------------------------------------------------------
2936 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
2938 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
2939 dnl misc/tabset install won't work properly. Usually this happens only when
2940 dnl using the fallback mkinstalldirs script
2941 AC_DEFUN([CF_PROG_INSTALL],
2947 CF_DIRNAME(cf_dir,$INSTALL)
2948 test -z "$cf_dir" && cf_dir=.
2949 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
2953 dnl ---------------------------------------------------------------------------
2954 dnl CF_PROG_LINT version: 3 updated: 2016/05/22 15:25:54
2956 AC_DEFUN([CF_PROG_LINT],
2958 AC_CHECK_PROGS(LINT, lint cppcheck splint)
2961 dnl ---------------------------------------------------------------------------
2962 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2963 dnl ----------------
2964 dnl Remove all -U and -D options that refer to the given symbol from a list
2965 dnl of C compiler options. This works around the problem that not all
2966 dnl compilers process -U and -D options from left-to-right, so a -U option
2967 dnl cannot be used to cancel the effect of a preceding -D option.
2969 dnl $1 = target (which could be the same as the source variable)
2970 dnl $2 = source (including '$')
2971 dnl $3 = symbol to remove
2972 define([CF_REMOVE_DEFINE],
2975 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2976 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2978 dnl ---------------------------------------------------------------------------
2979 dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
2981 AC_DEFUN([CF_RPATH_HACK],
2983 AC_REQUIRE([CF_LD_RPATH_OPT])
2984 AC_MSG_CHECKING(for updated LDFLAGS)
2985 if test -n "$LD_RPATH_OPT" ; then
2986 AC_MSG_RESULT(maybe)
2988 AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
2989 cf_rpath_list="/usr/lib /lib"
2990 if test "$cf_ldd_prog" != no
2994 AC_TRY_LINK([#include <stdio.h>],
2996 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
2997 cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
2999 # If we passed the link-test, but get a "not found" on a given library,
3000 # this could be due to inept reconfiguration of gcc to make it only
3001 # partly honor /usr/local/lib (or whatever). Sometimes this behavior
3002 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
3003 # /usr/local libraries.
3004 if test -n "$cf_rpath_oops"
3006 for cf_rpath_src in $cf_rpath_oops
3008 for cf_rpath_dir in \
3013 if test -f $cf_rpath_dir/lib/$cf_rpath_src
3015 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
3016 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
3024 CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
3026 CF_RPATH_HACK_2(LDFLAGS)
3027 CF_RPATH_HACK_2(LIBS)
3029 CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
3033 AC_SUBST(EXTRA_LDFLAGS)
3035 dnl ---------------------------------------------------------------------------
3036 dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00
3038 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
3039 dnl EXTRA_LDFLAGS for each -L option found.
3041 dnl $cf_rpath_list contains a list of directories to ignore.
3043 dnl $1 = variable name to update. The LDFLAGS variable should be the only one,
3044 dnl but LIBS often has misplaced -L options.
3045 AC_DEFUN([CF_RPATH_HACK_2],
3047 CF_VERBOSE(...checking $1 [$]$1)
3050 for cf_rpath_src in [$]$1
3052 case $cf_rpath_src in
3055 # check if this refers to a directory which we will ignore
3057 if test -n "$cf_rpath_list"
3059 for cf_rpath_item in $cf_rpath_list
3061 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
3069 if test "$cf_rpath_skip" = no
3071 # transform the option
3072 if test "$LD_RPATH_OPT" = "-R " ; then
3073 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
3075 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
3078 # if we have not already added this, add it now
3079 cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
3080 if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
3082 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
3083 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
3088 cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
3092 CF_VERBOSE(...checked $1 [$]$1)
3093 AC_SUBST(EXTRA_LDFLAGS)
3095 dnl ---------------------------------------------------------------------------
3096 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
3098 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
3099 dnl programs need this test).
3101 dnl This is really a MacOS X 10.4.3 workaround. Defining _POSIX_C_SOURCE
3102 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct
3103 dnl winsize declaration is left alone - we may revisit this if Apple choose to
3104 dnl break that part of the interface as well.
3105 AC_DEFUN([CF_SIGWINCH],
3107 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
3109 #include <sys/types.h>
3110 #include <sys/signal.h>
3111 ],[int x = SIGWINCH],
3112 [cf_cv_define_sigwinch=yes],
3114 #undef _XOPEN_SOURCE
3115 #undef _POSIX_SOURCE
3116 #undef _POSIX_C_SOURCE
3117 #include <sys/types.h>
3118 #include <sys/signal.h>
3119 ],[int x = SIGWINCH],
3120 [cf_cv_define_sigwinch=maybe],
3121 [cf_cv_define_sigwinch=no])
3125 if test "$cf_cv_define_sigwinch" = maybe ; then
3126 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
3127 cf_cv_fixup_sigwinch=unknown
3129 while test $cf_sigwinch != 1
3132 #undef _XOPEN_SOURCE
3133 #undef _POSIX_SOURCE
3134 #undef _POSIX_C_SOURCE
3135 #include <sys/types.h>
3136 #include <sys/signal.h>
3138 #if SIGWINCH != $cf_sigwinch
3142 [cf_cv_fixup_sigwinch=$cf_sigwinch
3145 cf_sigwinch=`expr $cf_sigwinch - 1`
3149 if test "$cf_cv_fixup_sigwinch" != unknown ; then
3150 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
3154 dnl ---------------------------------------------------------------------------
3155 dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
3157 dnl signal handler, but there are some gcc depedencies in that recommendation.
3159 AC_DEFUN([CF_SIG_ATOMIC_T],
3161 AC_MSG_CHECKING(for signal global datatype)
3162 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
3164 "volatile sig_atomic_t" \
3169 #include <sys/types.h>
3175 static void handler(int sig)
3179 [signal(SIGINT, handler);
3181 [cf_cv_sig_atomic_t=$cf_type],
3182 [cf_cv_sig_atomic_t=no])
3183 test "$cf_cv_sig_atomic_t" != no && break
3186 AC_MSG_RESULT($cf_cv_sig_atomic_t)
3187 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
3189 dnl ---------------------------------------------------------------------------
3190 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3192 dnl Construct a search-list for a nonstandard header/lib-file
3193 dnl $1 = the variable to return as result
3194 dnl $2 = the package name
3195 dnl $3 = the subdirectory, e.g., bin, include or lib
3196 AC_DEFUN([CF_SUBDIR_PATH],
3200 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3202 for cf_subdir_prefix in \
3210 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3213 dnl ---------------------------------------------------------------------------
3214 dnl CF_SYS_TIME_SELECT version: 6 updated: 2015/04/18 08:56:57
3215 dnl ------------------
3216 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
3217 dnl older SCO configurations.
3218 AC_DEFUN([CF_SYS_TIME_SELECT],
3220 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
3221 AC_CACHE_VAL(cf_cv_sys_time_select,[
3223 #include <sys/types.h>
3224 #ifdef HAVE_SYS_TIME_H
3225 #include <sys/time.h>
3227 #ifdef HAVE_SYS_SELECT_H
3228 #include <sys/select.h>
3230 ],[],[cf_cv_sys_time_select=yes],
3231 [cf_cv_sys_time_select=no])
3233 AC_MSG_RESULT($cf_cv_sys_time_select)
3234 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT,1,[Define to 1 if we can include <sys/time.h> with <sys/select.h>])
3236 dnl ---------------------------------------------------------------------------
3237 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3239 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3240 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3241 dnl but some packagers change this, breaking various applications.
3242 AC_DEFUN([CF_TERM_HEADER],[
3243 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3244 case ${cf_cv_ncurses_header} in
3245 (*/ncurses.h|*/ncursesw.h)
3246 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3249 cf_term_header=term.h
3253 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3255 AC_TRY_COMPILE([#include <stdio.h>
3256 #include <${cf_cv_ncurses_header:-curses.h}>
3258 ],[int x = auto_left_margin],[
3259 cf_cv_term_header="$cf_test"],[
3260 cf_cv_term_header=unknown
3262 test "$cf_cv_term_header" != unknown && break
3266 # Set definitions to allow ifdef'ing to accommodate subdirectories
3268 case $cf_cv_term_header in
3270 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3274 case $cf_cv_term_header in
3276 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3279 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3283 dnl ---------------------------------------------------------------------------
3284 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3286 dnl Define a top_builddir symbol, for applications that need an absolute path.
3287 AC_DEFUN([CF_TOP_BUILDDIR],
3289 top_builddir=ifelse($1,,`pwd`,$1)
3290 AC_SUBST(top_builddir)
3292 dnl ---------------------------------------------------------------------------
3293 dnl CF_TPUTS_PROTO version: 3 updated: 2015/04/17 21:26:14
3295 dnl Check for type of function-pointer passed to tputs. Some old
3296 dnl implementations used functions that had different prototypes, making it
3297 dnl hard to compile portable programs using tputs.
3298 AC_DEFUN([CF_TPUTS_PROTO],[
3299 CF_CURSES_FUNCS(tputs)
3300 if test x$cf_cv_func_tputs = xyes
3303 for cf_arg in int char
3305 for cf_ret in int void
3307 if test $cf_ret = void
3309 cf_return="/* nothing */"
3311 cf_return="return value"
3314 #include <${cf_cv_ncurses_header:-curses.h}>
3315 #include <$cf_cv_term_header>
3317 static $cf_ret outc($cf_arg value) { $cf_return; }
3319 tputs("hello", 0, outc);
3320 ${cf_cv_main_return:-return}(0);
3322 CF_VERBOSE([prototype $cf_ret func($cf_arg value)])
3323 cat >>confdefs.h <<EOF
3324 #define TPUTS_ARG $cf_arg
3325 #define TPUTS_PROTO(func,value) $cf_ret func(TPUTS_ARG value)
3326 #define TPUTS_RETURN(value) $cf_return
3332 test $cf_done = yes && break
3336 dnl ---------------------------------------------------------------------------
3337 dnl CF_TRIM_X_LIBS version: 3 updated: 2015/04/12 15:39:00
3339 dnl Trim extra base X libraries added as a workaround for inconsistent library
3340 dnl dependencies returned by "new" pkg-config files.
3341 AC_DEFUN([CF_TRIM_X_LIBS],[
3342 for cf_trim_lib in Xmu Xt X11
3345 (*-l$cf_trim_lib\ *-l$cf_trim_lib*)
3346 LIBS=`echo "$LIBS " | sed -e 's/ / /g' -e 's%-l'"$cf_trim_lib"' %%' -e 's/ $//'`
3347 CF_VERBOSE(..trimmed $LIBS)
3352 dnl ---------------------------------------------------------------------------
3353 dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06
3354 dnl -----------------
3355 dnl This is a simple wrapper to use for pkg-config, for libraries which may be
3356 dnl available in that form.
3358 dnl $1 = package name
3359 dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
3360 dnl $3 = logic to use if pkg-config does not have the package
3361 AC_DEFUN([CF_TRY_PKG_CONFIG],[
3362 AC_REQUIRE([CF_PKG_CONFIG])
3364 if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
3365 CF_VERBOSE(found package $1)
3366 cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
3367 cf_pkgconfig_libs="`$PKG_CONFIG --libs $1 2>/dev/null`"
3368 CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
3369 CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
3370 CF_ADD_CFLAGS($cf_pkgconfig_incs)
3371 CF_ADD_LIBS($cf_pkgconfig_libs)
3372 ifelse([$2],,:,[$2])
3376 ifelse([$3],,:,[$3])
3379 dnl ---------------------------------------------------------------------------
3380 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
3381 dnl -------------------
3382 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3383 dnl can define it successfully.
3384 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3385 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3389 #include <sys/types.h>
3391 #ifndef _XOPEN_SOURCE
3394 [cf_cv_xopen_source=no],
3395 [cf_save="$CPPFLAGS"
3396 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
3400 #include <sys/types.h>
3402 #ifdef _XOPEN_SOURCE
3405 [cf_cv_xopen_source=no],
3406 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
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)
3418 dnl ---------------------------------------------------------------------------
3419 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3421 dnl Make an uppercase version of a variable
3422 dnl $1=uppercase($2)
3423 AC_DEFUN([CF_UPPER],
3425 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3427 dnl ---------------------------------------------------------------------------
3428 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3430 dnl Check for multibyte support, and if not found, utf8 compatibility library
3431 AC_DEFUN([CF_UTF8_LIB],
3433 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3434 cf_save_LIBS="$LIBS"
3436 #include <stdlib.h>],[putwc(0,0);],
3437 [cf_cv_utf8_lib=yes],
3439 #include <libutf8.h>],[putwc(0,0);],utf8,
3440 [cf_cv_utf8_lib=add-on],
3441 [cf_cv_utf8_lib=no])
3444 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
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)
3453 dnl ---------------------------------------------------------------------------
3454 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3456 dnl Use AC_VERBOSE w/o the warnings
3457 AC_DEFUN([CF_VERBOSE],
3458 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3461 dnl ---------------------------------------------------------------------------
3462 dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
3464 dnl Check if type wide-character type $1 is declared, and if so, which header
3465 dnl file is needed. The second parameter is used to set a shell variable when
3466 dnl the type is not found. The first parameter sets a shell variable for the
3468 AC_DEFUN([CF_WCHAR_TYPE],
3470 # This is needed on Tru64 5.0 to declare $1
3471 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
3476 #ifdef HAVE_LIBUTF8_H
3477 #include <libutf8.h>
3486 #ifdef HAVE_LIBUTF8_H
3487 #include <libutf8.h>
3491 [cf_cv_$1=unknown])])])
3493 if test "$cf_cv_$1" = yes ; then
3494 AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h])
3499 # if we do not find $1 in either place, use substitution to provide a fallback.
3500 if test "$cf_cv_$1" = unknown ; then
3505 # if we find $1 in either place, use substitution to provide a fallback.
3506 if test "$cf_cv_$1" != unknown ; then
3511 dnl ---------------------------------------------------------------------------
3512 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3513 dnl ------------------
3514 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3516 AC_DEFUN([CF_WITH_CURSES_DIR],[
3518 AC_MSG_CHECKING(for specific curses-directory)
3519 AC_ARG_WITH(curses-dir,
3520 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3521 [cf_cv_curses_dir=$withval],
3522 [cf_cv_curses_dir=no])
3523 AC_MSG_RESULT($cf_cv_curses_dir)
3525 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3527 CF_PATH_SYNTAX(withval)
3528 if test -d "$cf_cv_curses_dir"
3530 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3531 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3535 dnl ---------------------------------------------------------------------------
3536 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
3537 dnl ----------------
3538 dnl Configure-option for dbmalloc. The optional parameter is used to override
3539 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3540 AC_DEFUN([CF_WITH_DBMALLOC],[
3541 CF_NO_LEAKS_OPTION(dbmalloc,
3542 [ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
3545 if test "$with_dbmalloc" = yes ; then
3546 AC_CHECK_HEADER(dbmalloc.h,
3547 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
3550 dnl ---------------------------------------------------------------------------
3551 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
3553 dnl Configure-option for dmalloc. The optional parameter is used to override
3554 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3555 AC_DEFUN([CF_WITH_DMALLOC],[
3556 CF_NO_LEAKS_OPTION(dmalloc,
3557 [ --with-dmalloc test: use Gray Watson's dmalloc library],
3560 if test "$with_dmalloc" = yes ; then
3561 AC_CHECK_HEADER(dmalloc.h,
3562 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
3565 dnl ---------------------------------------------------------------------------
3566 dnl CF_WITH_NCURSES_ETC version: 5 updated: 2016/02/20 19:23:20
3567 dnl -------------------
3568 dnl Use this macro for programs which use any variant of "curses", e.g.,
3569 dnl "ncurses", and "PDCurses". Programs that can use curses and some unrelated
3570 dnl library (such as slang) should use a "--with-screen=XXX" option.
3572 dnl This does not use AC_DEFUN, because that would tell autoconf to run each
3573 dnl of the macros inside this one - before this macro.
3574 define([CF_WITH_NCURSES_ETC],[
3579 AC_MSG_CHECKING(for specified curses library type)
3581 [ --with-screen=XXX use specified curses-libraries],
3582 [cf_cv_screen=$withval],[
3584 AC_ARG_WITH(ncursesw,
3585 [ --with-ncursesw use wide ncurses-libraries],
3586 [cf_cv_screen=ncursesw],[
3588 AC_ARG_WITH(ncurses,
3589 [ --with-ncurses use ncurses-libraries],
3590 [cf_cv_screen=ncurses],[
3592 AC_ARG_WITH(pdcurses,
3593 [ --with-pdcurses compile/link with pdcurses X11 library],
3594 [cf_cv_screen=pdcurses],[
3596 AC_ARG_WITH(curses-colr,
3597 [ --with-curses-colr compile/link with HPUX 10.x color-curses],
3598 [cf_cv_screen=curses_colr],[
3600 AC_ARG_WITH(curses-5lib,
3601 [ --with-curses-5lib compile/link with SunOS 5lib curses],
3602 [cf_cv_screen=curses_5lib])])])])])])
3604 AC_MSG_RESULT($cf_cv_screen)
3606 case $cf_cv_screen in
3612 CF_NCURSES_CONFIG($cf_cv_screen)
3615 CF_NCURSES_CONFIG($cf_cv_screen)
3621 AC_MSG_ERROR(unexpected screen-value: $cf_cv_screen)
3625 CF_NCURSES_PTHREADS($cf_cv_screen)
3628 dnl ---------------------------------------------------------------------------
3629 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
3630 dnl ----------------
3631 AC_DEFUN([CF_WITH_VALGRIND],[
3632 CF_NO_LEAKS_OPTION(valgrind,
3633 [ --with-valgrind test: use valgrind],
3636 dnl ---------------------------------------------------------------------------
3637 dnl CF_WITH_X11_RGB version: 1 updated: 2017/11/25 17:32:16
3639 dnl Handle configure option "--with-x11-rgb", setting these shell
3642 dnl $RGB_PATH is the option value, used for finding the X11 rgb file.
3643 dnl $no_x11_rgb is a "#" (comment) if "--without-x11-rgb" is given.
3645 dnl Most Linux's use this:
3646 dnl /usr/share/X11/rgb.txt
3647 dnl Debian uses this:
3648 dnl /etc/X11/rgb.txt
3649 dnl DragonFlyBSD ports uses this:
3650 dnl /usr/pkg/lib/X11/rgb.txt
3651 dnl FreeBSD ports use these:
3652 dnl /usr/local/lib/X11/rgb.txt
3653 dnl /usr/local/share/X11/rgb.txt
3654 dnl Mandriva has these:
3655 dnl /usr/lib/X11/rgb.txt
3656 dnl /usr/lib64/X11/rgb.txt
3657 dnl NetBSD has these
3658 dnl /usr/X11R7/lib/X11/rgb.txt
3659 dnl OpenSolaris uses
3661 dnl /usr/X11/etc/X11/rgb.txt
3662 dnl /usr/X11/share/X11/rgb.txt
3663 dnl /usr/X11/lib/X11/rgb.txt
3665 dnl /opt/local/share/X11/rgb.txt (MacPorts)
3666 dnl /opt/X11/share/X11/rgb.txt (non-ports)
3668 dnl /usr/X11/etc/X11/rgb.txt
3669 dnl /usr/X11/share/X11/rgb.txt (perhaps)
3670 dnl /usr/X11/lib/amd64/X11/rgb.txt
3671 dnl Solaris10 uses (in this order):
3672 dnl /usr/openwin/lib/X11/rgb.txt
3673 dnl /usr/X11/lib/X11/rgb.txt
3674 AC_DEFUN([CF_WITH_X11_RGB],[
3675 AC_MSG_CHECKING(for X11 rgb file)
3676 AC_ARG_WITH(x11-rgb,
3677 [ --with-x11-rgb=FILE file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)],
3678 [RGB_PATH=$withval],
3681 if test "x[$]RGB_PATH" = xauto
3683 RGB_PATH='${exec_prefix}/lib/X11/rgb.txt'
3685 /opt/local/share/X11/rgb.txt \
3686 /opt/X11/share/X11/rgb.txt \
3687 /usr/share/X11/rgb.txt \
3688 /usr/X11/share/X11/rgb.txt \
3689 /usr/X11/lib/X11/rgb.txt \
3690 /usr/lib/X11/rgb.txt \
3692 /usr/pkg/lib/X11/rgb.txt \
3693 /usr/X11R7/lib/X11/rgb.txt \
3694 /usr/X11R6/lib/X11/rgb.txt \
3695 /usr/X11R5/lib/X11/rgb.txt \
3696 /usr/X11R4/lib/X11/rgb.txt \
3697 /usr/local/lib/X11/rgb.txt \
3698 /usr/local/share/X11/rgb.txt \
3699 /usr/lib64/X11/rgb.txt
3701 if test -f "$cf_path" ; then
3708 CF_PATH_SYNTAX(cf_path)
3711 AC_MSG_RESULT($RGB_PATH)
3713 AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path")
3716 if test "$RGB_PATH" = no
3720 AC_SUBST(no_x11_rgb)
3722 dnl ---------------------------------------------------------------------------
3723 dnl CF_XOPEN_CURSES version: 14 updated: 2018/06/20 20:23:13
3725 dnl Test if we should define X/Open source for curses, needed on Digital Unix
3726 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
3728 dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
3729 dnl as getbegy(). The latter is better design, but the former is standard.
3730 AC_DEFUN([CF_XOPEN_CURSES],
3732 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3733 AC_CACHE_CHECK(definition to turn on extended curses functions,cf_cv_need_xopen_extension,[
3734 cf_cv_need_xopen_extension=unknown
3737 #include <${cf_cv_ncurses_header:-curses.h}>],[
3738 #if defined(NCURSES_VERSION_PATCH)
3739 #if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
3743 #ifdef NCURSES_VERSION
3745 int check2 = curs_set((int)sizeof(check));
3747 long x = winnstr(stdscr, "", 0);
3749 getbegyx(stdscr, y1, x1)],
3750 [cf_cv_need_xopen_extension=none],
3752 for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR
3755 #define $cf_try_xopen_extension 1
3757 #include <${cf_cv_ncurses_header:-curses.h}>],[
3758 #ifdef NCURSES_VERSION
3760 int check2 = curs_set((int)sizeof(check));
3762 long x = winnstr(stdscr, "", 0);
3764 getbegyx(stdscr, y1, x1)],
3765 [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break])
3770 case $cf_cv_need_xopen_extension in
3772 CF_APPEND_TEXT(CPPFLAGS,-D$cf_cv_need_xopen_extension)
3777 dnl ---------------------------------------------------------------------------
3778 dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
3780 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3781 dnl or adapt to the vendor's definitions to get equivalent functionality,
3782 dnl without losing the common non-POSIX features.
3785 dnl $1 is the nominal value for _XOPEN_SOURCE
3786 dnl $2 is the nominal value for _POSIX_C_SOURCE
3787 AC_DEFUN([CF_XOPEN_SOURCE],[
3788 AC_REQUIRE([AC_CANONICAL_HOST])
3790 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3791 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3796 cf_xopen_source="-D_ALL_SOURCE"
3802 cf_xopen_source="-D_APPLE_C_SOURCE"
3805 cf_xopen_source="-D_DARWIN_C_SOURCE"
3808 (freebsd*|dragonfly*)
3809 # 5.x headers associate
3810 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3811 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3812 cf_POSIX_C_SOURCE=200112L
3814 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3817 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3820 cf_xopen_source="-D_HPUX_SOURCE"
3823 cf_xopen_source="-D_SGI_SOURCE"
3826 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
3827 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
3830 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3833 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3835 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3838 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3841 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3842 cf_xopen_source="-D_BSD_SOURCE"
3846 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3849 cf_xopen_source="-D_OSF_SOURCE"
3852 cf_xopen_source="-D_QNX_SOURCE"
3855 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3858 cf_xopen_source="-D__EXTENSIONS__"
3859 cf_cv_xopen_source=broken
3861 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3867 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3871 if test -n "$cf_xopen_source" ; then
3872 CF_ADD_CFLAGS($cf_xopen_source,true)
3875 dnl In anything but the default case, we may have system-specific setting
3876 dnl which is still not guaranteed to provide all of the entrypoints that
3877 dnl _XOPEN_SOURCE would yield.
3878 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3879 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3880 AC_TRY_COMPILE([#include <stdlib.h>],[
3881 #ifndef _XOPEN_SOURCE
3884 [cf_XOPEN_SOURCE_set=yes],
3885 [cf_XOPEN_SOURCE_set=no])
3886 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3887 if test $cf_XOPEN_SOURCE_set = yes
3889 AC_TRY_COMPILE([#include <stdlib.h>],[
3890 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3893 [cf_XOPEN_SOURCE_set_ok=yes],
3894 [cf_XOPEN_SOURCE_set_ok=no])
3895 if test $cf_XOPEN_SOURCE_set_ok = no
3897 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3904 dnl ---------------------------------------------------------------------------
3905 dnl CF_X_ATHENA version: 23 updated: 2015/04/12 15:39:00
3907 dnl Check for Xaw (Athena) libraries
3909 dnl Sets $cf_x_athena according to the flavor of Xaw which is used.
3910 AC_DEFUN([CF_X_ATHENA],
3912 cf_x_athena=${cf_x_athena:-Xaw}
3914 AC_MSG_CHECKING(if you want to link with Xaw 3d library)
3917 [ --with-Xaw3d link with Xaw 3d library])
3918 if test "$withval" = yes ; then
3925 AC_MSG_CHECKING(if you want to link with Xaw 3d xft library)
3927 AC_ARG_WITH(Xaw3dxft,
3928 [ --with-Xaw3dxft link with Xaw 3d xft library])
3929 if test "$withval" = yes ; then
3930 cf_x_athena=Xaw3dxft
3936 AC_MSG_CHECKING(if you want to link with neXT Athena library)
3939 [ --with-neXtaw link with neXT Athena library])
3940 if test "$withval" = yes ; then
3947 AC_MSG_CHECKING(if you want to link with Athena-Plus library)
3949 AC_ARG_WITH(XawPlus,
3950 [ --with-XawPlus link with Athena-Plus library])
3951 if test "$withval" = yes ; then
3960 if test "$PKG_CONFIG" != none ; then
3962 test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6"
3963 for cf_athena_pkg in \
3966 ${cf_x_athena}-devel \
3968 lib${cf_x_athena}-devel
3970 CF_TRY_PKG_CONFIG($cf_athena_pkg,[
3971 cf_x_athena_lib="$cf_pkgconfig_libs"
3972 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
3973 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
3977 AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[
3979 #include <X11/Xmu/CharSet.h>
3981 int check = XmuCompareISOLatin1("big", "small")
3982 ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])])
3984 if test "$cf_cv_xaw_compat" = no
3986 # workaround for broken ".pc" files...
3987 case "$cf_x_athena_lib" in
3991 CF_VERBOSE(work around broken package)
3993 cf_first_lib=`echo "$cf_save_xmu" | sed -e 's/^[ ][ ]*//' -e 's/ .*//'`
3994 CF_TRY_PKG_CONFIG(xmu,[
3996 CF_ADD_LIB_AFTER($cf_first_lib,$cf_pkgconfig_libs)
3998 CF_ADD_LIB_AFTER($cf_first_lib,-lXmu)
4009 if test -z "$cf_x_athena_lib" ; then
4012 CF_X_ATHENA_CPPFLAGS($cf_x_athena)
4013 CF_X_ATHENA_LIBS($cf_x_athena)
4016 dnl ---------------------------------------------------------------------------
4017 dnl CF_X_ATHENA_CPPFLAGS version: 6 updated: 2018/06/20 20:23:13
4018 dnl --------------------
4019 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
4020 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
4021 AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
4023 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
4026 for cf_path in default \
4027 /usr/contrib/X11R6 \
4028 /usr/contrib/X11R5 \
4032 if test -z "$cf_x_athena_inc" ; then
4034 cf_test=X11/$cf_x_athena_root/SimpleMenu.h
4035 if test $cf_path != default ; then
4037 CF_APPEND_TEXT(CPPFLAGS,-I$cf_path/include)
4038 AC_MSG_CHECKING(for $cf_test in $cf_path)
4040 AC_MSG_CHECKING(for $cf_test)
4043 #include <X11/Intrinsic.h>
4044 #include <$cf_test>],[],
4047 AC_MSG_RESULT($cf_result)
4048 if test "$cf_result" = yes ; then
4049 cf_x_athena_inc=$cf_path
4057 if test -z "$cf_x_athena_inc" ; then
4059 [Unable to successfully find Athena header files with test program])
4060 elif test "$cf_x_athena_inc" != default ; then
4061 CF_APPEND_TEXT(CPPFLAGS,-I$cf_x_athena_inc)
4064 dnl ---------------------------------------------------------------------------
4065 dnl CF_X_ATHENA_LIBS version: 12 updated: 2011/07/17 19:55:02
4066 dnl ----------------
4067 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
4068 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
4069 AC_DEFUN([CF_X_ATHENA_LIBS],
4070 [AC_REQUIRE([CF_X_TOOLKIT])
4071 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
4074 for cf_path in default \
4075 /usr/contrib/X11R6 \
4076 /usr/contrib/X11R5 \
4081 ${cf_x_athena_root} \
4082 ${cf_x_athena_root}7 \
4083 ${cf_x_athena_root}6
4087 "-l$cf_lib -lXpm -lXmu" \
4088 "-l${cf_lib}_s -lXmu_s"
4090 if test -z "$cf_x_athena_lib" ; then
4092 cf_test=XawSimpleMenuAddGlobalActions
4093 if test $cf_path != default ; then
4094 CF_ADD_LIBS(-L$cf_path/lib $cf_libs)
4095 AC_MSG_CHECKING(for $cf_libs in $cf_path)
4097 CF_ADD_LIBS($cf_libs)
4098 AC_MSG_CHECKING(for $cf_test in $cf_libs)
4101 #include <X11/Intrinsic.h>
4102 #include <X11/$cf_x_athena_root/SimpleMenu.h>
4104 $cf_test((XtAppContext) 0)],
4107 AC_MSG_RESULT($cf_result)
4108 if test "$cf_result" = yes ; then
4109 cf_x_athena_lib="$cf_libs"
4115 test -n "$cf_x_athena_lib" && break
4119 if test -z "$cf_x_athena_lib" ; then
4121 [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
4124 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
4125 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
4127 dnl ---------------------------------------------------------------------------
4128 dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05
4130 AC_DEFUN([CF_X_EXT],[
4131 CF_TRY_PKG_CONFIG(Xext,,[
4132 AC_CHECK_LIB(Xext,XextCreateExtension,
4133 [CF_ADD_LIB(Xext)])])
4135 dnl ---------------------------------------------------------------------------
4136 dnl CF_X_TOOLKIT version: 23 updated: 2015/04/12 15:39:00
4138 dnl Check for X Toolkit libraries
4139 AC_DEFUN([CF_X_TOOLKIT],
4141 AC_REQUIRE([AC_PATH_XTRA])
4142 AC_REQUIRE([CF_CHECK_CACHE])
4144 # OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new), and (and
4145 # in some cases has installed dummy files in the former, other cases replaced
4146 # it with a link to the new location). This complicates the configure script.
4147 # Check for that pitfall, and recover using pkg-config
4149 # If none of these are set, the configuration is almost certainly broken.
4150 if test -z "${X_CFLAGS}${X_PRE_LIBS}${X_LIBS}${X_EXTRA_LIBS}"
4152 CF_TRY_PKG_CONFIG(x11,,[AC_MSG_WARN(unable to find X11 library)])
4153 CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)])
4154 CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)])
4155 CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)])
4160 CF_TRY_PKG_CONFIG(xt,[
4166 # we have an "xt" package, but it may omit Xt's dependency on X11
4167 AC_CACHE_CHECK(for usable X dependency,cf_cv_xt_x11_compat,[
4169 #include <X11/Xlib.h>
4171 int rc1 = XDrawLine((Display*) 0, (Drawable) 0, (GC) 0, 0, 0, 0, 0);
4172 int rc2 = XClearWindow((Display*) 0, (Window) 0);
4173 int rc3 = XMoveWindow((Display*) 0, (Window) 0, 0, 0);
4174 int rc4 = XMoveResizeWindow((Display*)0, (Window)0, 0, 0, 0, 0);
4175 ],[cf_cv_xt_x11_compat=yes],[cf_cv_xt_x11_compat=no])])
4176 if test "$cf_cv_xt_x11_compat" = no
4178 CF_VERBOSE(work around broken X11 dependency)
4179 # 2010/11/19 - good enough until a working Xt on Xcb is delivered.
4180 CF_TRY_PKG_CONFIG(x11,,[CF_ADD_LIB_AFTER(-lXt,-lX11)])
4185 AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[
4187 #include <X11/Shell.h>
4188 ],[int num = IceConnectionNumber(0)
4189 ],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])])
4191 if test "$cf_cv_xt_ice_compat" = no
4193 # workaround for broken ".pc" files used for X Toolkit.
4194 case "x$X_PRE_LIBS" in
4200 CF_VERBOSE(work around broken ICE dependency)
4201 CF_TRY_PKG_CONFIG(ice,
4202 [CF_TRY_PKG_CONFIG(sm)],
4203 [CF_ADD_LIB_AFTER(-lXt,$X_PRE_LIBS)])
4213 LDFLAGS="$X_LIBS $LDFLAGS"
4214 CF_CHECK_CFLAGS($X_CFLAGS)
4216 AC_CHECK_FUNC(XOpenDisplay,,[
4217 AC_CHECK_LIB(X11,XOpenDisplay,
4219 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
4221 AC_CHECK_FUNC(XtAppInitialize,,[
4222 AC_CHECK_LIB(Xt, XtAppInitialize,
4223 [AC_DEFINE(HAVE_LIBXT,1,[Define to 1 if we can compile with the Xt library])
4225 LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
4226 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
4229 if test $cf_have_X_LIBS = no ; then
4231 [Unable to successfully link X Toolkit library (-lXt) with
4232 test program. You will have to check and add the proper libraries by hand
4236 dnl ---------------------------------------------------------------------------
4237 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
4239 dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
4240 dnl are both available.
4241 define([CF__CURSES_HEAD],[
4243 #include <xcurses.h>
4244 char * XCursesProgramName = "test";
4246 #include <${cf_cv_ncurses_header:-curses.h}>
4247 #if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
4248 #include <ncursesw/term.h>
4249 #elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
4250 #include <ncurses/term.h>
4251 #elif defined(HAVE_TERM_H)