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. *
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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. *
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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 1.156 2018/01/15 16:11:53 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: 14 updated: 2015/05/25 20:53:04
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 CPPFLAGS="$CPPFLAGS -I$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 $1 is not declared])
681 dnl ---------------------------------------------------------------------------
682 dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
684 dnl Tie together the configure-script macros for curses. It may be ncurses,
685 dnl but unless asked, we do not make a special search for ncurses. However,
686 dnl still check for the ncurses version number, for use in other macros.
687 AC_DEFUN([CF_CURSES_CONFIG],
693 dnl ---------------------------------------------------------------------------
694 dnl CF_CURSES_CPPFLAGS version: 12 updated: 2015/04/15 19:08:48
695 dnl ------------------
696 dnl Look for the curses headers.
697 AC_DEFUN([CF_CURSES_CPPFLAGS],[
699 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
700 cf_cv_curses_incdir=no
703 if test "x$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$cf_cv_screen" = "xcurses_5lib"
712 test -d /usr/5lib && \
713 test -d /usr/5include && \
714 cf_cv_curses_incdir="-I/usr/5include"
719 test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir"
724 dnl ---------------------------------------------------------------------------
725 dnl CF_CURSES_FUNCS version: 19 updated: 2018/01/03 04:47:33
727 dnl Curses-functions are a little complicated, since a lot of them are macros.
728 AC_DEFUN([CF_CURSES_FUNCS],
730 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
731 AC_REQUIRE([CF_XOPEN_CURSES])
732 AC_REQUIRE([CF_CURSES_TERM_H])
733 AC_REQUIRE([CF_CURSES_UNCTRL_H])
736 CF_UPPER(cf_tr_func,$cf_func)
737 AC_MSG_CHECKING(for ${cf_func})
738 CF_MSG_LOG(${cf_func})
739 AC_CACHE_VAL(cf_cv_func_$cf_func,[
740 eval cf_result='$ac_cv_func_'$cf_func
741 if test ".$cf_result" != ".no"; then
742 AC_TRY_LINK(CF__CURSES_HEAD,
745 long foo = (long)(&${cf_func});
746 fprintf(stderr, "testing linkage of $cf_func:%p\n", (void *)foo);
747 if (foo + 1234L > 5678L)
748 ${cf_cv_main_return:-return}(foo != 0);
754 eval 'cf_cv_func_'$cf_func'=$cf_result'
756 # use the computed/retrieved cache-value:
757 eval 'cf_result=$cf_cv_func_'$cf_func
758 AC_MSG_RESULT($cf_result)
759 if test $cf_result != no; then
760 AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
764 dnl ---------------------------------------------------------------------------
765 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
767 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
768 dnl variations of ncurses' installs.
770 dnl $1 = ncurses when looking for ncurses, or is empty
771 AC_DEFUN([CF_CURSES_HEADER],[
772 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
773 cf_cv_ncurses_header=none
775 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
776 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
778 AC_TRY_COMPILE([#include <${cf_header}>],
779 [initscr(); tgoto("?", 0,0)],
780 [cf_cv_ncurses_header=$cf_header; break],[])
784 if test "$cf_cv_ncurses_header" = none ; then
785 AC_MSG_ERROR(No curses header-files found)
788 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
789 AC_CHECK_HEADERS($cf_cv_ncurses_header)
791 dnl ---------------------------------------------------------------------------
792 dnl CF_CURSES_LIBS version: 41 updated: 2017/12/31 19:23:43
794 dnl Look for the curses libraries. Older curses implementations may require
795 dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
796 AC_DEFUN([CF_CURSES_LIBS],[
798 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
799 AC_MSG_CHECKING(if we have identified curses libraries)
800 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
801 [initscr(); tgoto("?", 0,0)],
804 AC_MSG_RESULT($cf_result)
806 if test "$cf_result" = no ; then
809 AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
812 # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr
813 # next (1998), and xcurses "newer" (2000). There is no header file for
814 # Hcurses; the subdirectory curses_colr has the headers (curses.h and
815 # term.h) for cur_colr
816 if test "x$cf_cv_screen" = "xcurses_colr"
818 AC_CHECK_LIB(cur_colr,initscr,[
819 CF_ADD_LIBS(-lcur_colr)
820 ac_cv_func_initscr=yes
822 AC_CHECK_LIB(Hcurses,initscr,[
823 # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
824 CF_ADD_LIBS(-lHcurses)
825 CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
826 ac_cv_func_initscr=yes
831 case `arch 2>/dev/null` in
835 CF_ADD_LIBDIR(/lib64)
846 if test "x$cf_cv_screen" = "xcurses_5lib"
848 if test -d /usr/5lib ; then
849 CF_ADD_LIBDIR(/usr/5lib)
850 CF_ADD_LIBS(-lcurses -ltermcap)
853 ac_cv_func_initscr=yes
857 if test ".$ac_cv_func_initscr" != .yes ; then
860 if test ".${cf_cv_ncurses_version:-no}" != .no
862 cf_check_list="ncurses curses cursesX"
864 cf_check_list="cursesX curses ncurses"
867 # Check for library containing tgoto. Do this before curses library
868 # because it may be needed to link the test-case for initscr.
869 if test "x$cf_term_lib" = x
871 AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
872 for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
874 AC_CHECK_LIB($cf_term_lib,tgoto,[
875 : ${cf_nculib_root:=$cf_term_lib}
882 # Check for library containing initscr
883 test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
884 if test "x$cf_curs_lib" = x
886 for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
888 LIBS="-l$cf_curs_lib $cf_save_LIBS"
889 if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then
890 AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
891 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
895 AC_MSG_RESULT($cf_result)
896 test $cf_result = yes && break
897 elif test "$cf_curs_lib" = "$cf_term_lib" ; then
899 elif test "$cf_term_lib" != predefined ; then
900 AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
901 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
902 [initscr(); tgoto((char *)0, 0, 0);],
905 LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
906 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
911 AC_MSG_RESULT($cf_result)
912 test $cf_result != error && break
916 test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
921 dnl ---------------------------------------------------------------------------
922 dnl CF_CURSES_TERM_H version: 11 updated: 2015/04/15 19:08:48
924 dnl SVr4 curses should have term.h as well (where it puts the definitions of
925 dnl the low-level interface). This may not be true in old/broken implementations,
926 dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
927 dnl running with Solaris 2.5.1).
928 AC_DEFUN([CF_CURSES_TERM_H],
930 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
932 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
934 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
935 # for <term.h> if we do not find the variant.
937 cf_header_list="term.h ncurses/term.h ncursesw/term.h"
939 case ${cf_cv_ncurses_header:-curses.h} in
941 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
942 cf_header_list="$cf_header_item $cf_header_list"
946 for cf_header in $cf_header_list
949 #include <${cf_cv_ncurses_header:-curses.h}>
950 #include <${cf_header}>],
952 [cf_cv_term_header=$cf_header
954 [cf_cv_term_header=no])
957 case $cf_cv_term_header in
959 # If curses is ncurses, some packagers still mess it up by trying to make
960 # us use GNU termcap. This handles the most common case.
961 for cf_header in ncurses/term.h ncursesw/term.h
964 #include <${cf_cv_ncurses_header:-curses.h}>
965 #ifdef NCURSES_VERSION
966 #include <${cf_header}>
971 [cf_cv_term_header=$cf_header
973 [cf_cv_term_header=no])
979 case $cf_cv_term_header in
981 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
984 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
987 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
991 dnl ---------------------------------------------------------------------------
992 dnl CF_CURSES_UNCTRL_H version: 4 updated: 2015/04/15 19:08:48
993 dnl ------------------
994 dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages
995 dnl may put it in a subdirectory (along with ncurses' other headers, of
996 dnl course). Packages which put the headers in inconsistent locations are
998 AC_DEFUN([CF_CURSES_UNCTRL_H],
1000 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1002 AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[
1004 # If we found <ncurses/curses.h>, look for <ncurses/unctrl.h>, but always look
1005 # for <unctrl.h> if we do not find the variant.
1007 cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h"
1009 case ${cf_cv_ncurses_header:-curses.h} in
1011 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
1012 cf_header_list="$cf_header_item $cf_header_list"
1016 for cf_header in $cf_header_list
1019 #include <${cf_cv_ncurses_header:-curses.h}>
1020 #include <${cf_header}>],
1022 [cf_cv_unctrl_header=$cf_header
1024 [cf_cv_unctrl_header=no])
1028 case $cf_cv_unctrl_header in
1030 AC_MSG_WARN(unctrl.h header not found)
1034 case $cf_cv_unctrl_header in
1036 AC_DEFINE(HAVE_UNCTRL_H,1,[Define to 1 if we have unctrl.h])
1039 AC_DEFINE(HAVE_NCURSES_UNCTRL_H,1,[Define to 1 if we have ncurses/unctrl.h])
1042 AC_DEFINE(HAVE_NCURSESW_UNCTRL_H,1,[Define to 1 if we have ncursesw/unctrl.h])
1046 dnl ---------------------------------------------------------------------------
1047 dnl CF_CURSES_WACS_MAP version: 6 updated: 2012/10/06 08:57:51
1048 dnl ------------------
1049 dnl Check for likely values of wacs_map[].
1050 AC_DEFUN([CF_CURSES_WACS_MAP],
1052 AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
1053 cf_cv_curses_wacs_map=unknown
1054 for name in wacs_map _wacs_map __wacs_map _nc_wacs _wacs_char
1057 #ifndef _XOPEN_SOURCE_EXTENDED
1058 #define _XOPEN_SOURCE_EXTENDED
1060 #include <${cf_cv_ncurses_header:-curses.h}>],
1061 [void *foo = &($name['k'])],
1062 [cf_cv_curses_wacs_map=$name
1066 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])
1068 dnl ---------------------------------------------------------------------------
1069 dnl CF_CURSES_WACS_SYMBOLS version: 2 updated: 2012/10/06 08:57:51
1070 dnl ----------------------
1071 dnl Do a check to see if the WACS_xxx constants are defined compatibly with
1072 dnl X/Open Curses. In particular, NetBSD's implementation of the WACS_xxx
1073 dnl constants is broken since those constants do not point to cchar_t's.
1074 AC_DEFUN([CF_CURSES_WACS_SYMBOLS],
1076 AC_REQUIRE([CF_CURSES_WACS_MAP])
1078 AC_CACHE_CHECK(for wide alternate character constants, cf_cv_curses_wacs_symbols,[
1079 cf_cv_curses_wacs_symbols=no
1080 if test "$cf_cv_curses_wacs_map" != unknown
1083 #ifndef _XOPEN_SOURCE_EXTENDED
1084 #define _XOPEN_SOURCE_EXTENDED
1086 #include <${cf_cv_ncurses_header:-curses.h}>],
1087 [cchar_t *foo = WACS_PLUS;
1088 $cf_cv_curses_wacs_map['k'] = *WACS_PLUS],
1089 [cf_cv_curses_wacs_symbols=yes])
1092 #ifndef _XOPEN_SOURCE_EXTENDED
1093 #define _XOPEN_SOURCE_EXTENDED
1095 #include <${cf_cv_ncurses_header:-curses.h}>],
1096 [cchar_t *foo = WACS_PLUS],
1097 [cf_cv_curses_wacs_symbols=yes])
1101 test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS,1,[Define to 1 if (n)curses supports wide-character WACS_ symbols])
1103 dnl ---------------------------------------------------------------------------
1104 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1106 dnl "dirname" is not portable, so we fake it with a shell script.
1107 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1108 dnl ---------------------------------------------------------------------------
1109 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1111 dnl You can always use "make -n" to see the actual options, but it's hard to
1112 dnl pick out/analyze warning messages when the compile-line is long.
1115 dnl ECHO_LT - symbol to control if libtool is verbose
1116 dnl ECHO_LD - symbol to prefix "cc -o" lines
1117 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1118 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
1119 dnl ECHO_CC - symbol to put before any "cc" line
1121 AC_DEFUN([CF_DISABLE_ECHO],[
1122 AC_MSG_CHECKING(if you want to see long compiling messages)
1123 CF_ARG_DISABLE(echo,
1124 [ --disable-echo do not display "compiling" commands],
1127 ECHO_LD='@echo linking [$]@;'
1128 RULE_CC='@echo compiling [$]<'
1129 SHOW_CC='@echo compiling [$]@'
1138 AC_MSG_RESULT($enableval)
1145 dnl ---------------------------------------------------------------------------
1146 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1147 dnl ----------------
1148 dnl Combine no-leak checks with the libraries or tools that are used for the
1150 AC_DEFUN([CF_DISABLE_LEAKS],[
1152 AC_REQUIRE([CF_WITH_DMALLOC])
1153 AC_REQUIRE([CF_WITH_DBMALLOC])
1154 AC_REQUIRE([CF_WITH_VALGRIND])
1156 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1157 AC_ARG_ENABLE(leaks,
1158 [ --disable-leaks test: free permanent memory, analyze leaks],
1159 [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1160 : ${with_no_leaks:=no})
1161 AC_MSG_RESULT($with_no_leaks)
1163 if test "$with_no_leaks" = yes ; then
1164 AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1165 AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1168 dnl ---------------------------------------------------------------------------
1169 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1170 dnl ---------------------
1171 dnl The rpath-hack makes it simpler to build programs, particularly with the
1172 dnl *BSD ports which may have essential libraries in unusual places. But it
1173 dnl can interfere with building an executable for the base system. Use this
1174 dnl option in that case.
1175 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1177 AC_MSG_CHECKING(if rpath-hack should be disabled)
1178 CF_ARG_DISABLE(rpath-hack,
1179 [ --disable-rpath-hack don't add rpath options for additional libraries],
1180 [cf_disable_rpath_hack=yes],
1181 [cf_disable_rpath_hack=no])
1182 AC_MSG_RESULT($cf_disable_rpath_hack)
1183 if test "$cf_disable_rpath_hack" = no ; then
1187 dnl ---------------------------------------------------------------------------
1188 dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
1189 dnl ----------------------
1190 dnl On a few platforms, the compiler and/or loader nags with untruthful
1191 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1192 dnl and implying that most uses of the recommended alternatives are correct.
1194 dnl Factually speaking, no one has actually counted the number of uses of these
1195 dnl functions versus the total of incorrect uses. Samples of a few thousand
1196 dnl instances are meaningless compared to the hundreds of millions of lines of
1197 dnl existing C code.
1199 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1200 dnl platforms, in implementations of varying quality. Likewise, snprintf is
1201 dnl standard - but evolved through phases, and older implementations are likely
1202 dnl to yield surprising results, as documented in manpages on various systems.
1203 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1205 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1206 AC_ARG_ENABLE(string-hacks,
1207 [ --enable-string-hacks work around bogus compiler/loader warnings],
1208 [with_string_hacks=$enableval],
1209 [with_string_hacks=no])
1210 AC_MSG_RESULT($with_string_hacks)
1212 if test "x$with_string_hacks" = "xyes"; then
1213 AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1214 AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1215 AC_CHECK_FUNC(strlcat,[
1216 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1218 AC_CHECK_LIB(bsd,strlcat,[
1220 AC_CHECK_HEADERS(bsd/string.h)
1221 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
1224 AC_CHECK_FUNCS( strlcpy snprintf )
1227 dnl ---------------------------------------------------------------------------
1228 dnl CF_ENABLE_WARNINGS version: 5 updated: 2017/09/29 20:01:16
1229 dnl ------------------
1230 dnl Configure-option to enable gcc warnings
1231 AC_DEFUN([CF_ENABLE_WARNINGS],[
1232 if ( test "$GCC" = yes || test "$GXX" = yes )
1234 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1235 CF_ARG_ENABLE(warnings,
1236 [ --enable-warnings test: turn on gcc compiler warnings],
1237 [with_warnings=yes],
1239 AC_MSG_RESULT($with_warnings)
1240 if test "$with_warnings" = "yes"
1247 dnl ---------------------------------------------------------------------------
1248 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1250 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1251 dnl prefer a standard location, and use -L options only if we do not find the
1252 dnl library in the standard library location(s).
1253 dnl $1 = library name
1254 dnl $2 = library class, usually the same as library name
1256 dnl $4 = code fragment to compile/link
1257 dnl $5 = corresponding function-name
1258 dnl $6 = flag, nonnull if failure should not cause an error-exit
1260 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1261 dnl to use a -L option.
1262 AC_DEFUN([CF_FIND_LIBRARY],
1264 eval 'cf_cv_have_lib_'$1'=no'
1267 eval 'cf_cv_have_lib_'$1'=yes',[
1268 cf_save_LIBS="$LIBS"
1269 AC_MSG_CHECKING(for $5 in -l$1)
1271 AC_TRY_LINK([$3],[$4],
1273 eval 'cf_cv_have_lib_'$1'=yes'
1276 CF_LIBRARY_PATH(cf_search,$2)
1277 for cf_libdir in $cf_search
1279 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1280 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1281 AC_TRY_LINK([$3],[$4],
1283 eval 'cf_cv_have_lib_'$1'=yes'
1286 LIBS="$cf_save_LIBS"])
1290 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1292 if test $cf_found_library = no ; then
1293 AC_MSG_ERROR(Cannot link $1 library)
1297 dnl ---------------------------------------------------------------------------
1298 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
1300 dnl Find a library (specifically the linkage used in the code fragment),
1301 dnl searching for it if it is not already in the library path.
1302 dnl See also CF_ADD_SEARCHPATH.
1304 dnl Parameters (4-on are optional):
1305 dnl $1 = headers for library entrypoint
1306 dnl $2 = code fragment for library entrypoint
1307 dnl $3 = the library name without the "-l" option or ".so" suffix.
1308 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1309 dnl $5 = action to perform if not successful
1310 dnl $6 = module name, if not the same as the library name
1311 dnl $7 = extra libraries
1313 dnl Sets these variables:
1314 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1315 dnl $cf_cv_header_path_$3 - include-directory if needed
1316 dnl $cf_cv_library_path_$3 - library-directory if needed
1317 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1318 AC_DEFUN([CF_FIND_LINKAGE],[
1320 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1321 # will be set on completion of the AC_TRY_LINK below.
1322 cf_cv_header_path_$3=
1323 cf_cv_library_path_$3=
1325 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1327 cf_save_LIBS="$LIBS"
1329 AC_TRY_LINK([$1],[$2],[
1330 cf_cv_find_linkage_$3=yes
1331 cf_cv_header_path_$3=/usr/include
1332 cf_cv_library_path_$3=/usr/lib
1335 LIBS="-l$3 $7 $cf_save_LIBS"
1337 AC_TRY_LINK([$1],[$2],[
1338 cf_cv_find_linkage_$3=yes
1339 cf_cv_header_path_$3=/usr/include
1340 cf_cv_library_path_$3=/usr/lib
1341 cf_cv_library_file_$3="-l$3"
1343 cf_cv_find_linkage_$3=no
1344 LIBS="$cf_save_LIBS"
1346 CF_VERBOSE(find linkage for $3 library)
1347 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1349 cf_save_CPPFLAGS="$CPPFLAGS"
1350 cf_test_CPPFLAGS="$CPPFLAGS"
1352 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1353 for cf_cv_header_path_$3 in $cf_search
1355 if test -d $cf_cv_header_path_$3 ; then
1356 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1357 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1358 AC_TRY_COMPILE([$1],[$2],[
1359 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1360 cf_cv_find_linkage_$3=maybe
1361 cf_test_CPPFLAGS="$CPPFLAGS"
1363 CPPFLAGS="$cf_save_CPPFLAGS"
1368 if test "$cf_cv_find_linkage_$3" = maybe ; then
1370 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1372 cf_save_LIBS="$LIBS"
1373 cf_save_LDFLAGS="$LDFLAGS"
1376 CPPFLAGS="$cf_test_CPPFLAGS"
1377 LIBS="-l$3 $7 $cf_save_LIBS"
1378 AC_TRY_LINK([$1],[$2],[
1379 CF_VERBOSE(... found $3 library in system)
1380 cf_cv_find_linkage_$3=yes])
1381 CPPFLAGS="$cf_save_CPPFLAGS"
1382 LIBS="$cf_save_LIBS"
1385 if test "$cf_cv_find_linkage_$3" != yes ; then
1386 CF_LIBRARY_PATH(cf_search,$3)
1387 for cf_cv_library_path_$3 in $cf_search
1389 if test -d $cf_cv_library_path_$3 ; then
1390 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1391 CPPFLAGS="$cf_test_CPPFLAGS"
1392 LIBS="-l$3 $7 $cf_save_LIBS"
1393 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1394 AC_TRY_LINK([$1],[$2],[
1395 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1396 cf_cv_find_linkage_$3=yes
1397 cf_cv_library_file_$3="-l$3"
1399 CPPFLAGS="$cf_save_CPPFLAGS"
1400 LIBS="$cf_save_LIBS"
1401 LDFLAGS="$cf_save_LDFLAGS"
1405 CPPFLAGS="$cf_save_CPPFLAGS"
1406 LDFLAGS="$cf_save_LDFLAGS"
1410 cf_cv_find_linkage_$3=no
1415 LIBS="$cf_save_LIBS"
1417 if test "$cf_cv_find_linkage_$3" = yes ; then
1419 CF_ADD_INCDIR($cf_cv_header_path_$3)
1420 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1424 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1427 dnl ---------------------------------------------------------------------------
1428 dnl CF_FUNC_CURSES_VERSION version: 7 updated: 2017/05/10 18:31:29
1429 dnl ----------------------
1430 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
1431 dnl It's a character string "SVR4", not documented.
1432 AC_DEFUN([CF_FUNC_CURSES_VERSION],
1434 AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[
1436 #include <${cf_cv_ncurses_header:-curses.h}>
1440 sprintf(temp, "%s\n", curses_version());
1441 ${cf_cv_main_return:-return}(0);
1443 ,[cf_cv_func_curses_version=yes]
1444 ,[cf_cv_func_curses_version=no]
1445 ,[cf_cv_func_curses_version=unknown])
1447 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function])
1449 dnl ---------------------------------------------------------------------------
1450 dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
1452 dnl Check for openpty() function, along with <pty.h> header. It may need the
1453 dnl "util" library as well.
1454 AC_DEFUN([CF_FUNC_OPENPTY],
1456 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1457 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1458 cf_save_LIBS="$LIBS"
1459 test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
1460 for cf_header in pty.h libutil.h util.h
1463 #include <$cf_header>
1465 int x = openpty((int *)0, (int *)0, (char *)0,
1466 (struct termios *)0, (struct winsize *)0);
1468 cf_cv_func_openpty=$cf_header
1471 cf_cv_func_openpty=no
1474 LIBS="$cf_save_LIBS"
1477 dnl ---------------------------------------------------------------------------
1478 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
1479 dnl -----------------
1480 dnl Test for availability of useful gcc __attribute__ directives to quiet
1481 dnl compiler warnings. Though useful, not all are supported -- and contrary
1482 dnl to documentation, unrecognized directives cause older compilers to barf.
1483 AC_DEFUN([CF_GCC_ATTRIBUTES],
1485 if test "$GCC" = yes
1487 cat > conftest.i <<EOF
1489 #define GCC_PRINTF 0
1494 #ifndef GCC_NORETURN
1495 #define GCC_NORETURN /* nothing */
1498 #define GCC_UNUSED /* nothing */
1501 if test "$GCC" = yes
1503 AC_CHECKING([for $CC __attribute__ directives])
1504 cat > conftest.$ac_ext <<EOF
1505 #line __oline__ "${as_me:-configure}"
1506 #include "confdefs.h"
1507 #include "conftest.h"
1508 #include "conftest.i"
1510 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1512 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1515 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1517 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1519 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1520 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1521 extern void foo(void) GCC_NORETURN;
1522 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1524 cf_printf_attribute=no
1525 cf_scanf_attribute=no
1526 for cf_attribute in scanf printf unused noreturn
1528 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1529 cf_directive="__attribute__(($cf_attribute))"
1530 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1532 case $cf_attribute in
1534 cf_printf_attribute=yes
1535 cat >conftest.h <<EOF
1536 #define GCC_$cf_ATTRIBUTE 1
1540 cf_scanf_attribute=yes
1541 cat >conftest.h <<EOF
1542 #define GCC_$cf_ATTRIBUTE 1
1546 cat >conftest.h <<EOF
1547 #define GCC_$cf_ATTRIBUTE $cf_directive
1552 if AC_TRY_EVAL(ac_compile); then
1553 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1554 cat conftest.h >>confdefs.h
1555 case $cf_attribute in
1557 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1560 cf_value='/* nothing */'
1561 if test "$cf_printf_attribute" != no ; then
1562 cf_value='__attribute__((format(printf,fmt,var)))'
1563 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1565 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1568 cf_value='/* nothing */'
1569 if test "$cf_scanf_attribute" != no ; then
1570 cf_value='__attribute__((format(scanf,fmt,var)))'
1571 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1573 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1576 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1582 fgrep define conftest.i >>confdefs.h
1587 dnl ---------------------------------------------------------------------------
1588 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1590 dnl Find version of gcc
1591 AC_DEFUN([CF_GCC_VERSION],[
1592 AC_REQUIRE([AC_PROG_CC])
1594 if test "$GCC" = yes ; then
1595 AC_MSG_CHECKING(version of $CC)
1596 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1597 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1598 AC_MSG_RESULT($GCC_VERSION)
1601 dnl ---------------------------------------------------------------------------
1602 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1604 dnl Check if the compiler supports useful warning options. There's a few that
1605 dnl we don't use, simply because they're too noisy:
1607 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1608 dnl -Wredundant-decls (system headers make this too noisy)
1609 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1610 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1611 dnl is enabled for ncurses using "--enable-const".
1615 dnl $1 is an optional list of gcc warning flags that a particular
1616 dnl application might want to use, e.g., "no-unused" for
1619 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1621 AC_DEFUN([CF_GCC_WARNINGS],
1623 AC_REQUIRE([CF_GCC_VERSION])
1624 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1625 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1627 cat > conftest.$ac_ext <<EOF
1628 #line __oline__ "${as_me:-configure}"
1629 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1632 if test "$INTEL_COMPILER" = yes
1634 # The "-wdXXX" options suppress warnings:
1635 # remark #1419: external declaration in primary source file
1636 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1637 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1638 # remark #193: zero used for undefined preprocessing identifier
1639 # remark #593: variable "curs_sb_left_arrow" was set but never used
1640 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1641 # remark #869: parameter "tw" was never referenced
1642 # remark #981: operands are evaluated in unspecified order
1643 # warning #279: controlling expression is constant
1645 AC_CHECKING([for $CC warning options])
1646 cf_save_CFLAGS="$CFLAGS"
1647 EXTRA_CFLAGS="-Wall"
1659 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1660 if AC_TRY_EVAL(ac_compile); then
1661 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1662 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1665 CFLAGS="$cf_save_CFLAGS"
1667 elif test "$GCC" = yes
1669 AC_CHECKING([for $CC warning options])
1670 cf_save_CFLAGS="$CFLAGS"
1673 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1674 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1675 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1676 for cf_opt in W Wall \
1677 Wbad-function-cast \
1680 Wdeclaration-after-statement \
1683 Wmissing-declarations \
1684 Wmissing-prototypes \
1688 Wstrict-prototypes \
1689 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1691 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1692 if AC_TRY_EVAL(ac_compile); then
1693 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1696 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1699 case $GCC_VERSION in
1701 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1706 case $GCC_VERSION in
1708 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1713 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1716 CFLAGS="$cf_save_CFLAGS"
1720 AC_SUBST(EXTRA_CFLAGS)
1722 dnl ---------------------------------------------------------------------------
1723 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
1724 dnl ----------------
1725 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1726 dnl unistd.h or (nonstandard) in getopt.h
1727 AC_DEFUN([CF_GETOPT_HEADER],
1729 AC_HAVE_HEADERS(unistd.h getopt.h)
1730 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1731 cf_cv_getopt_header=none
1732 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1735 #include <$cf_header>],
1736 [int x = optind; char *y = optarg],
1737 [cf_cv_getopt_header=$cf_header
1741 if test $cf_cv_getopt_header != none ; then
1742 AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
1744 if test $cf_cv_getopt_header = getopt.h ; then
1745 AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
1748 dnl ---------------------------------------------------------------------------
1749 dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37
1751 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1752 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1753 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1754 dnl since it is interwoven with GNU extensions.
1756 dnl Well, yes we could work around it...
1757 AC_DEFUN([CF_GNU_SOURCE],
1759 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1760 AC_TRY_COMPILE([#include <sys/types.h>],[
1761 #ifndef _XOPEN_SOURCE
1764 [cf_cv_gnu_source=no],
1765 [cf_save="$CPPFLAGS"
1766 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1767 AC_TRY_COMPILE([#include <sys/types.h>],[
1768 #ifdef _XOPEN_SOURCE
1771 [cf_cv_gnu_source=no],
1772 [cf_cv_gnu_source=yes])
1777 if test "$cf_cv_gnu_source" = yes
1779 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1780 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1781 AC_TRY_COMPILE([#include <sys/types.h>],[
1782 #ifdef _DEFAULT_SOURCE
1785 [cf_cv_default_source=no],
1786 [cf_cv_default_source=yes])
1788 test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
1791 dnl ---------------------------------------------------------------------------
1792 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1794 dnl Construct a search-list of directories for a nonstandard header-file
1797 dnl $1 = the variable to return as result
1798 dnl $2 = the package name
1799 AC_DEFUN([CF_HEADER_PATH],
1803 # collect the current set of include-directories from compiler flags
1804 cf_header_path_list=""
1805 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1806 for cf_header_path in $CPPFLAGS $CFLAGS
1808 case $cf_header_path in
1810 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1811 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1812 cf_header_path_list="$cf_header_path_list [$]$1"
1818 # add the variations for the package we are looking for
1819 CF_SUBDIR_PATH($1,$2,include)
1821 test "$includedir" != NONE && \
1822 test "$includedir" != "/usr/include" && \
1823 test -d "$includedir" && {
1824 test -d $includedir && $1="[$]$1 $includedir"
1825 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1828 test "$oldincludedir" != NONE && \
1829 test "$oldincludedir" != "/usr/include" && \
1830 test -d "$oldincludedir" && {
1831 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1832 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1835 $1="[$]$1 $cf_header_path_list"
1837 dnl ---------------------------------------------------------------------------
1838 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1840 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1841 AC_DEFUN([CF_HELP_MESSAGE],
1842 [AC_DIVERT_HELP([$1])dnl
1844 dnl ---------------------------------------------------------------------------
1845 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
1846 dnl -----------------
1847 dnl If we do not have a given script, look for it in the parent directory.
1848 AC_DEFUN([CF_INHERIT_SCRIPT],
1850 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
1852 dnl ---------------------------------------------------------------------------
1853 dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51
1855 dnl prompt for/fill-in useful install-program options
1856 AC_DEFUN([CF_INSTALL_OPTS],
1861 dnl ---------------------------------------------------------------------------
1862 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1863 dnl ----------------
1864 dnl Almost all "install" programs default to the current user's ownership.
1865 dnl Almost - MINIX is an exception.
1866 AC_DEFUN([CF_INSTALL_OPT_O],
1868 AC_MSG_CHECKING(if install needs to be told about ownership)
1869 case `$ac_config_guess` in
1878 AC_MSG_RESULT($with_install_o)
1879 if test "x$with_install_o" = xyes
1881 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'`
1886 AC_SUBST(INSTALL_OPT_O)
1888 dnl ---------------------------------------------------------------------------
1889 dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51
1890 dnl ----------------
1891 dnl By default, we should strip executables which are installed, but leave the
1892 dnl ability to suppress that for unit-testing.
1893 AC_DEFUN([CF_INSTALL_OPT_S],
1895 AC_MSG_CHECKING(if you want to install stripped executables)
1896 CF_ARG_DISABLE(stripping,
1897 [ --disable-stripping do not strip installed executables],
1898 [with_stripping=no],
1899 [with_stripping=yes])
1900 AC_MSG_RESULT($with_stripping)
1902 if test "$with_stripping" = yes
1908 AC_SUBST(INSTALL_OPT_S)
1910 dnl ---------------------------------------------------------------------------
1911 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1912 dnl -----------------
1913 dnl Check if the given compiler is really the Intel compiler for Linux. It
1914 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1915 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1917 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1918 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1919 dnl the wrappers for gcc and g++ warnings.
1921 dnl $1 = GCC (default) or GXX
1922 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1923 dnl $3 = CFLAGS (default) or CXXFLAGS
1924 AC_DEFUN([CF_INTEL_COMPILER],[
1925 AC_REQUIRE([AC_CANONICAL_HOST])
1926 ifelse([$2],,INTEL_COMPILER,[$2])=no
1928 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1931 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1932 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1933 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1935 #ifdef __INTEL_COMPILER
1939 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1940 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1942 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1943 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1948 dnl ---------------------------------------------------------------------------
1949 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
1951 dnl For the given system and compiler, find the compiler flags to pass to the
1952 dnl loader to use the "rpath" feature.
1953 AC_DEFUN([CF_LD_RPATH_OPT],
1955 AC_REQUIRE([CF_CHECK_CACHE])
1958 AC_MSG_CHECKING(for an rpath option)
1959 case $cf_cv_system_name in
1961 if test "$GCC" = yes; then
1962 LD_RPATH_OPT="-Wl,-rpath,"
1964 LD_RPATH_OPT="-rpath "
1967 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1968 LD_RPATH_OPT="-Wl,-rpath,"
1970 (openbsd[[2-9]].*|mirbsd*)
1971 LD_RPATH_OPT="-Wl,-rpath,"
1974 LD_RPATH_OPT="-rpath "
1977 LD_RPATH_OPT="-Wl,-rpath,"
1980 LD_RPATH_OPT="-rpath "
1988 AC_MSG_RESULT($LD_RPATH_OPT)
1990 case "x$LD_RPATH_OPT" in
1992 AC_MSG_CHECKING(if we need a space after rpath option)
1993 cf_save_LIBS="$LIBS"
1994 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1995 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1996 LIBS="$cf_save_LIBS"
1997 AC_MSG_RESULT($cf_rpath_space)
1998 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2002 dnl ---------------------------------------------------------------------------
2003 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2005 dnl Construct a search-list of directories for a nonstandard library-file
2008 dnl $1 = the variable to return as result
2009 dnl $2 = the package name
2010 AC_DEFUN([CF_LIBRARY_PATH],
2013 cf_library_path_list=""
2014 if test -n "${LDFLAGS}${LIBS}" ; then
2015 for cf_library_path in $LDFLAGS $LIBS
2017 case $cf_library_path in
2019 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2020 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2021 cf_library_path_list="$cf_library_path_list [$]$1"
2027 CF_SUBDIR_PATH($1,$2,lib)
2029 $1="$cf_library_path_list [$]$1"
2031 dnl ---------------------------------------------------------------------------
2032 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2034 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2035 dnl a monocase filesystem.
2036 AC_DEFUN([CF_MAKE_TAGS],[
2037 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2039 AC_CHECK_PROGS(CTAGS, exctags ctags)
2040 AC_CHECK_PROGS(ETAGS, exetags etags)
2042 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2044 if test "$cf_cv_mixedcase" = yes ; then
2045 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2050 if test "$MAKE_UPPER_TAGS" = yes ; then
2056 if test "$MAKE_LOWER_TAGS" = yes ; then
2065 AC_SUBST(MAKE_UPPER_TAGS)
2066 AC_SUBST(MAKE_LOWER_TAGS)
2068 dnl ---------------------------------------------------------------------------
2069 dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25
2071 dnl Checks for libraries. At least one UNIX system, Apple Macintosh
2072 dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
2073 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
2074 AC_DEFUN([CF_MATH_LIB],
2076 AC_CACHE_CHECK(if -lm needed for math functions,
2083 [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
2084 [cf_cv_need_libm=no],
2085 [cf_cv_need_libm=yes])])
2086 if test "$cf_cv_need_libm" = yes
2093 dnl ---------------------------------------------------------------------------
2094 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2095 dnl ----------------------
2096 dnl Check if the file-system supports mixed-case filenames. If we're able to
2097 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2098 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2100 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2101 if test "$cross_compiling" = yes ; then
2102 case $target_alias in
2103 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2111 rm -f conftest CONFTEST
2113 if test -f CONFTEST ; then
2118 rm -f conftest CONFTEST
2121 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2123 dnl ---------------------------------------------------------------------------
2124 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2126 dnl Write a debug message to config.log, along with the line number in the
2127 dnl configure script.
2128 AC_DEFUN([CF_MSG_LOG],[
2129 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2131 dnl ---------------------------------------------------------------------------
2132 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2133 dnl -------------------
2134 dnl Check if we can compile with ncurses' header file
2135 dnl $1 is the cache variable to set
2136 dnl $2 is the header-file to include
2137 dnl $3 is the root name (ncurses or ncursesw)
2138 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2140 ]ifelse($3,ncursesw,[
2141 #define _XOPEN_SOURCE_EXTENDED
2142 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2143 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2146 #ifdef NCURSES_VERSION
2147 ]ifelse($3,ncursesw,[
2152 printf("%s\n", NCURSES_VERSION);
2164 dnl ---------------------------------------------------------------------------
2165 dnl CF_NCURSES_CONFIG version: 20 updated: 2018/01/03 04:47:33
2166 dnl -----------------
2167 dnl Tie together the configure-script macros for ncurses, preferring these in
2169 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2170 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2171 dnl c) just plain libraries
2173 dnl $1 is the root library name (default: "ncurses")
2174 AC_DEFUN([CF_NCURSES_CONFIG],[
2175 AC_REQUIRE([CF_PKG_CONFIG])
2176 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2177 cf_have_ncuconfig=no
2179 if test "x${PKG_CONFIG:=none}" != xnone; then
2180 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2181 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2184 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2185 cf_have_ncuconfig=unknown
2187 cf_save_CPPFLAGS="$CPPFLAGS"
2188 cf_save_LIBS="$LIBS"
2190 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2191 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2193 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2194 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2195 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2197 { char *xx = curses_version(); return (xx == 0); }],
2198 [cf_have_ncuconfig=yes],
2199 [cf_have_ncuconfig=no],
2200 [cf_have_ncuconfig=maybe])],
2201 [cf_have_ncuconfig=no])
2202 AC_MSG_RESULT($cf_have_ncuconfig)
2203 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2204 if test "$cf_have_ncuconfig" != "yes"
2206 CPPFLAGS="$cf_save_CPPFLAGS"
2207 LIBS="$cf_save_LIBS"
2208 NCURSES_CONFIG_PKG=none
2210 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2211 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2217 NCURSES_CONFIG_PKG=none
2220 NCURSES_CONFIG_PKG=none
2223 if test "x$cf_have_ncuconfig" = "xno"; then
2224 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2226 CF_ACVERSION_CHECK(2.52,
2227 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2228 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2230 if test "$NCURSES_CONFIG" != none ; then
2232 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2233 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2235 # even with config script, some packages use no-override for curses.h
2236 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2238 dnl like CF_NCURSES_CPPFLAGS
2239 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2241 dnl like CF_NCURSES_LIBS
2242 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2243 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2245 dnl like CF_NCURSES_VERSION
2246 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2250 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2251 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2258 dnl ---------------------------------------------------------------------------
2259 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2260 dnl -------------------
2261 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2262 dnl the CPPFLAGS variable so we can include its header.
2264 dnl The header files may be installed as either curses.h, or ncurses.h (would
2265 dnl be obsolete, except that some packagers prefer this name to distinguish it
2266 dnl from a "native" curses implementation). If not installed for overwrite,
2267 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2268 dnl /usr/include/ncurses), but someone may have installed overwriting the
2269 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2270 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2273 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2274 dnl is already in the include-path, don't even bother with this, since we cannot
2275 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2277 dnl The optional parameter gives the root name of the library, in case it is
2278 dnl not installed as the default curses library. That is how the
2279 dnl wide-character version of ncurses is installed.
2280 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2281 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2283 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2284 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2286 test -n "$cf_cv_curses_dir" && \
2287 test "$cf_cv_curses_dir" != "no" && { \
2288 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2291 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2292 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2293 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2294 for cf_header in $cf_header_list
2296 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2297 test "$cf_cv_ncurses_h" != no && break
2304 # some applications need this, but should check for NCURSES_VERSION
2305 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2309 dnl ---------------------------------------------------------------------------
2310 dnl CF_NCURSES_EXT_FUNCS version: 4 updated: 2012/10/06 16:39:58
2311 dnl --------------------
2312 dnl Since 2007/11/17, ncurses has defined NCURSES_EXT_FUNCS; earlier versions
2313 dnl may provide these functions. Define the symbol if it is not defined, and
2315 AC_DEFUN([CF_NCURSES_EXT_FUNCS],
2317 AC_CACHE_CHECK(for ncurses extended functions,cf_cv_ncurses_ext_funcs,[
2319 #include <${cf_cv_ncurses_header:-curses.h}>],
2321 int x = NCURSES_EXT_FUNCS
2322 ],[cf_cv_ncurses_ext_funcs=defined],[
2324 #include <${cf_cv_ncurses_header:-curses.h}>],
2326 (void) assume_default_colors (0, 0);
2327 (void) curses_version ();
2328 (void) define_key (0, 0);
2329 (void) is_term_resized (0, 0);
2330 (void) key_defined (0);
2331 (void) keybound (0, 0);
2332 (void) keyok (0, 0);
2333 (void) resize_term (0, 0);
2334 (void) resizeterm (0, 0);
2335 (void) use_default_colors ();
2336 (void) use_extended_names (0);
2337 (void) wresize (0, 0, 0);],
2338 [cf_cv_ncurses_ext_funcs=yes],
2339 [cf_cv_ncurses_ext_funcs=no])
2342 test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 if we have ncurses extensions])
2344 dnl ---------------------------------------------------------------------------
2345 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2346 dnl -----------------
2347 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2348 dnl variations of ncurses' installs.
2350 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2351 AC_DEFUN([CF_NCURSES_HEADER],[
2353 if test "$cf_cv_ncurses_h" != no ; then
2354 cf_cv_ncurses_header=$cf_cv_ncurses_h
2357 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2358 test -n "$verbose" && echo
2359 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2360 test -n "$verbose" && echo search path $cf_search
2361 cf_save2_CPPFLAGS="$CPPFLAGS"
2362 for cf_incdir in $cf_search
2364 CF_ADD_INCDIR($cf_incdir)
2369 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2370 if test "$cf_cv_ncurses_h2" != no ; then
2371 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2372 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2375 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2377 CPPFLAGS="$cf_save2_CPPFLAGS"
2378 test "$cf_cv_ncurses_h2" != no && break
2380 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2383 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2384 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2385 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2386 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2388 CF_ADD_INCDIR($cf_1st_incdir)
2392 # Set definitions to allow ifdef'ing for ncurses.h
2394 case $cf_cv_ncurses_header in
2396 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2400 case $cf_cv_ncurses_header in
2401 (ncurses/curses.h|ncurses/ncurses.h)
2402 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2404 (ncursesw/curses.h|ncursesw/ncurses.h)
2405 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2410 dnl ---------------------------------------------------------------------------
2411 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2413 dnl Look for the ncurses library. This is a little complicated on Linux,
2414 dnl because it may be linked with the gpm (general purpose mouse) library.
2415 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2416 dnl unusable with ncurses. However, we don't want to link with gpm unless
2417 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2418 dnl and the linker will record a dependency.
2420 dnl The optional parameter gives the root name of the library, in case it is
2421 dnl not installed as the default curses library. That is how the
2422 dnl wide-character version of ncurses is installed.
2423 AC_DEFUN([CF_NCURSES_LIBS],
2424 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2426 cf_nculib_root=ifelse($1,,ncurses,$1)
2427 # This works, except for the special case where we find gpm, but
2428 # ncurses is in a nonstandard location via $LIBS, and we really want
2431 cf_ncurses_SAVE="$LIBS"
2432 AC_CHECK_LIB(gpm,Gpm_Open,
2433 [AC_CHECK_LIB(gpm,initscr,
2434 [LIBS="$cf_ncurses_SAVE"],
2435 [cf_ncurses_LIBS="-lgpm"])])
2439 # This is only necessary if you are linking against an obsolete
2440 # version of ncurses (but it should do no harm, since it's static).
2441 if test "$cf_nculib_root" = ncurses ; then
2442 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2447 CF_ADD_LIBS($cf_ncurses_LIBS)
2449 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2451 CF_ADD_LIBS(-l$cf_nculib_root)
2453 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2454 [#include <${cf_cv_ncurses_header:-curses.h}>],
2459 if test -n "$cf_ncurses_LIBS" ; then
2460 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2461 cf_ncurses_SAVE="$LIBS"
2462 for p in $cf_ncurses_LIBS ; do
2463 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2464 if test "$q" != "$LIBS" ; then
2468 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2469 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2470 [AC_MSG_RESULT(yes)],
2472 LIBS="$cf_ncurses_SAVE"])
2475 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2476 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2478 dnl ---------------------------------------------------------------------------
2479 dnl CF_NCURSES_PTHREADS version: 2 updated: 2016/04/22 05:07:41
2480 dnl -------------------
2481 dnl Use this followup check to ensure that we link with pthreads if ncurses
2483 AC_DEFUN([CF_NCURSES_PTHREADS],[
2484 : ${cf_nculib_root:=ifelse($1,,ncurses,$1)}
2485 AC_CHECK_LIB($cf_nculib_root,_nc_init_pthreads,
2486 cf_cv_ncurses_pthreads=yes,
2487 cf_cv_ncurses_pthreads=no)
2488 if test "$cf_cv_ncurses_pthreads" = yes
2490 CF_ADD_LIBS(-lpthread)
2493 dnl ---------------------------------------------------------------------------
2494 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2495 dnl ------------------
2496 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2497 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2498 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2499 AC_DEFUN([CF_NCURSES_VERSION],
2501 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2502 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2503 cf_cv_ncurses_version=no
2507 #include <${cf_cv_ncurses_header:-curses.h}>
2511 FILE *fp = fopen("$cf_tempfile", "w");
2512 #ifdef NCURSES_VERSION
2513 # ifdef NCURSES_VERSION_PATCH
2514 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2516 fprintf(fp, "%s\n", NCURSES_VERSION);
2520 fprintf(fp, "old\n");
2525 ${cf_cv_main_return:-return}(0);
2527 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2529 # This will not work if the preprocessor splits the line after the
2530 # Autoconf token. The 'unproto' program does that.
2531 cat > conftest.$ac_ext <<EOF
2532 #include <${cf_cv_ncurses_header:-curses.h}>
2534 #ifdef NCURSES_VERSION
2535 Autoconf NCURSES_VERSION
2543 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2545 if test -f conftest.out ; then
2546 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2547 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2553 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2555 dnl ---------------------------------------------------------------------------
2556 dnl CF_NCURSES_WRAP_PREFIX version: 1 updated: 2009/03/28 16:08:10
2557 dnl ----------------------
2558 dnl Check for ncurses "wrap-prefix" used for public variables which have been
2559 dnl wrapped with a function to help with concurrency control.
2560 AC_DEFUN([CF_NCURSES_WRAP_PREFIX],
2562 AC_MSG_CHECKING(for ncurses wrap-prefix)
2563 AC_ARG_WITH(ncurses-wrap-prefix,
2564 [ --with-ncurses-wrap-prefix naming-prefix for ncurses wrapped-variables],
2565 [NCURSES_WRAP_PREFIX=$withval],
2566 [NCURSES_WRAP_PREFIX=_nc_])
2567 AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
2569 AC_SUBST(NCURSES_WRAP_PREFIX)
2571 dnl ---------------------------------------------------------------------------
2572 dnl CF_NETBSD_FORM_H version: 2 updated: 2012/10/06 16:39:58
2573 dnl ----------------
2574 dnl Check for NetBSD's form.h, which is incompatible with SVr4 and ncurses.
2575 dnl Some workarounds are needed in client programs to allow them to compile.
2576 AC_DEFUN([CF_NETBSD_FORM_H],[
2577 AC_CACHE_CHECK(for NetBSD form.h,cf_cv_netbsd_form_h,[
2579 #include <${cf_cv_ncurses_header:-curses.h}>
2583 int y = current_field(form)->cursor_ypos;
2584 int x = current_field(form)->cursor_xpos;
2585 ],[cf_cv_netbsd_form_h=yes
2586 ],[cf_cv_netbsd_form_h=no])
2589 test "$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])
2591 dnl ---------------------------------------------------------------------------
2592 dnl CF_NETBSD_MENU_H version: 2 updated: 2012/10/06 16:39:58
2593 dnl ----------------
2594 dnl Check for NetBSD's menu.h, which is incompatible with SVr4 and ncurses.
2595 dnl Some workarounds are needed in client programs to allow them to compile.
2596 AC_DEFUN([CF_NETBSD_MENU_H],[
2597 AC_CACHE_CHECK(for NetBSD menu.h,cf_cv_netbsd_menu_h,[
2599 #include <${cf_cv_ncurses_header:-curses.h}>
2603 int y = menu->max_item_width;
2604 ],[cf_cv_netbsd_menu_h=yes
2605 ],[cf_cv_netbsd_menu_h=no])
2608 test "$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])
2610 dnl ---------------------------------------------------------------------------
2611 dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00
2612 dnl ------------------
2613 dnl see CF_WITH_NO_LEAKS
2614 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2615 AC_MSG_CHECKING(if you want to use $1 for testing)
2618 [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
2621 : ${with_cflags:=-g}
2622 : ${with_no_leaks:=yes}
2625 AC_MSG_RESULT(${with_$1:-no})
2627 case .$with_cflags in
2639 dnl ---------------------------------------------------------------------------
2640 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2642 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2643 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2644 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2645 dnl delayed evaluation of those symbols.
2646 AC_DEFUN([CF_PATH_SYNTAX],[
2647 if test "x$prefix" != xNONE; then
2648 cf_path_syntax="$prefix"
2650 cf_path_syntax="$ac_default_prefix"
2654 (.\[$]\(*\)*|.\'*\'*)
2658 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2660 (.\[$]{*prefix}*|.\[$]{*dir}*)
2664 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2669 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2672 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2676 dnl ---------------------------------------------------------------------------
2677 dnl CF_PDCURSES_X11 version: 13 updated: 2012/10/06 16:39:58
2679 dnl Configure for PDCurses' X11 library
2680 AC_DEFUN([CF_PDCURSES_X11],[
2681 AC_REQUIRE([CF_X_ATHENA])
2683 CF_ACVERSION_CHECK(2.52,
2684 [AC_CHECK_TOOLS(XCURSES_CONFIG, xcurses-config, none)],
2685 [AC_PATH_PROGS(XCURSES_CONFIG, xcurses-config, none)])
2687 if test "$XCURSES_CONFIG" != none ; then
2689 CPPFLAGS="$CPPFLAGS `$XCURSES_CONFIG --cflags`"
2690 CF_ADD_LIBS(`$XCURSES_CONFIG --libs`)
2692 cf_cv_lib_XCurses=yes
2696 LDFLAGS="$LDFLAGS $X_LIBS"
2697 CF_CHECK_CFLAGS($X_CFLAGS)
2698 AC_CHECK_LIB(X11,XOpenDisplay,
2699 [CF_ADD_LIBS(-lX11)],,
2700 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
2701 AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[
2702 CF_ADD_LIBS(-lXCurses)
2704 #include <xcurses.h>
2705 char *XCursesProgramName = "test";
2707 [cf_cv_lib_XCurses=yes],
2708 [cf_cv_lib_XCurses=no])
2713 if test $cf_cv_lib_XCurses = yes ; then
2714 AC_DEFINE(UNIX,1,[Define to 1 if using PDCurses on Unix])
2715 AC_DEFINE(XCURSES,1,[Define to 1 if using PDCurses on Unix])
2716 AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES,1,[Define to 1 if using PDCurses on Unix]))
2718 AC_MSG_ERROR(Cannot link with XCurses)
2721 dnl ---------------------------------------------------------------------------
2722 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2724 dnl Check for the package-config program, unless disabled by command-line.
2725 AC_DEFUN([CF_PKG_CONFIG],
2727 AC_MSG_CHECKING(if you want to use pkg-config)
2728 AC_ARG_WITH(pkg-config,
2729 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2730 [cf_pkg_config=$withval],
2731 [cf_pkg_config=yes])
2732 AC_MSG_RESULT($cf_pkg_config)
2734 case $cf_pkg_config in
2739 CF_ACVERSION_CHECK(2.52,
2740 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2741 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2748 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2749 if test "$PKG_CONFIG" != none ; then
2750 CF_PATH_SYNTAX(PKG_CONFIG)
2751 elif test "x$cf_pkg_config" != xno ; then
2752 AC_MSG_WARN(pkg-config is not installed)
2755 AC_SUBST(PKG_CONFIG)
2757 dnl ---------------------------------------------------------------------------
2758 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2759 dnl -----------------
2760 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2762 dnl POSIX.1-1990 _POSIX_SOURCE
2763 dnl POSIX.1-1990 and _POSIX_SOURCE and
2764 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2766 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2767 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2768 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2771 dnl $1 is the nominal value for _POSIX_C_SOURCE
2772 AC_DEFUN([CF_POSIX_C_SOURCE],
2774 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2776 cf_save_CFLAGS="$CFLAGS"
2777 cf_save_CPPFLAGS="$CPPFLAGS"
2779 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2780 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2782 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2783 CF_MSG_LOG(if the symbol is already defined go no further)
2784 AC_TRY_COMPILE([#include <sys/types.h>],[
2785 #ifndef _POSIX_C_SOURCE
2788 [cf_cv_posix_c_source=no],
2789 [cf_want_posix_source=no
2790 case .$cf_POSIX_C_SOURCE in
2792 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2795 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2796 cf_want_posix_source=yes
2799 cf_want_posix_source=yes
2802 if test "$cf_want_posix_source" = yes ; then
2803 AC_TRY_COMPILE([#include <sys/types.h>],[
2804 #ifdef _POSIX_SOURCE
2807 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2809 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2810 CFLAGS="$cf_trim_CFLAGS"
2811 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2812 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2813 AC_TRY_COMPILE([#include <sys/types.h>],[
2814 #ifndef _POSIX_C_SOURCE
2817 [cf_cv_posix_c_source=no])
2818 CFLAGS="$cf_save_CFLAGS"
2819 CPPFLAGS="$cf_save_CPPFLAGS"
2823 if test "$cf_cv_posix_c_source" != no ; then
2824 CFLAGS="$cf_trim_CFLAGS"
2825 CPPFLAGS="$cf_trim_CPPFLAGS"
2826 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2830 dnl ---------------------------------------------------------------------------
2831 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
2833 dnl Append definitions and rules for the given programs to the subdirectory
2834 dnl Makefiles, and the recursion rule for the top-level Makefile.
2837 dnl $1 = script to run
2838 dnl $2 = list of subdirectories
2842 AC_DEFUN([CF_PRG_RULES],
2846 if test ! -d $srcdir/$cf_dir; then
2848 elif test -f $srcdir/$cf_dir/programs; then
2849 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
2854 dnl ---------------------------------------------------------------------------
2855 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2857 dnl standard check for CC, plus followup sanity checks
2858 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2859 AC_DEFUN([CF_PROG_CC],[
2860 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2862 CF_ACVERSION_CHECK(2.52,
2867 dnl ---------------------------------------------------------------------------
2868 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
2870 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
2871 dnl misc/tabset install won't work properly. Usually this happens only when
2872 dnl using the fallback mkinstalldirs script
2873 AC_DEFUN([CF_PROG_INSTALL],
2879 CF_DIRNAME(cf_dir,$INSTALL)
2880 test -z "$cf_dir" && cf_dir=.
2881 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
2885 dnl ---------------------------------------------------------------------------
2886 dnl CF_PROG_LINT version: 3 updated: 2016/05/22 15:25:54
2888 AC_DEFUN([CF_PROG_LINT],
2890 AC_CHECK_PROGS(LINT, lint cppcheck splint)
2893 dnl ---------------------------------------------------------------------------
2894 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2895 dnl ----------------
2896 dnl Remove all -U and -D options that refer to the given symbol from a list
2897 dnl of C compiler options. This works around the problem that not all
2898 dnl compilers process -U and -D options from left-to-right, so a -U option
2899 dnl cannot be used to cancel the effect of a preceding -D option.
2901 dnl $1 = target (which could be the same as the source variable)
2902 dnl $2 = source (including '$')
2903 dnl $3 = symbol to remove
2904 define([CF_REMOVE_DEFINE],
2907 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2908 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2910 dnl ---------------------------------------------------------------------------
2911 dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
2913 AC_DEFUN([CF_RPATH_HACK],
2915 AC_REQUIRE([CF_LD_RPATH_OPT])
2916 AC_MSG_CHECKING(for updated LDFLAGS)
2917 if test -n "$LD_RPATH_OPT" ; then
2918 AC_MSG_RESULT(maybe)
2920 AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
2921 cf_rpath_list="/usr/lib /lib"
2922 if test "$cf_ldd_prog" != no
2926 AC_TRY_LINK([#include <stdio.h>],
2928 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
2929 cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
2931 # If we passed the link-test, but get a "not found" on a given library,
2932 # this could be due to inept reconfiguration of gcc to make it only
2933 # partly honor /usr/local/lib (or whatever). Sometimes this behavior
2934 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
2935 # /usr/local libraries.
2936 if test -n "$cf_rpath_oops"
2938 for cf_rpath_src in $cf_rpath_oops
2940 for cf_rpath_dir in \
2945 if test -f $cf_rpath_dir/lib/$cf_rpath_src
2947 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
2948 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
2956 CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
2958 CF_RPATH_HACK_2(LDFLAGS)
2959 CF_RPATH_HACK_2(LIBS)
2961 CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
2965 AC_SUBST(EXTRA_LDFLAGS)
2967 dnl ---------------------------------------------------------------------------
2968 dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00
2970 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
2971 dnl EXTRA_LDFLAGS for each -L option found.
2973 dnl $cf_rpath_list contains a list of directories to ignore.
2975 dnl $1 = variable name to update. The LDFLAGS variable should be the only one,
2976 dnl but LIBS often has misplaced -L options.
2977 AC_DEFUN([CF_RPATH_HACK_2],
2979 CF_VERBOSE(...checking $1 [$]$1)
2982 for cf_rpath_src in [$]$1
2984 case $cf_rpath_src in
2987 # check if this refers to a directory which we will ignore
2989 if test -n "$cf_rpath_list"
2991 for cf_rpath_item in $cf_rpath_list
2993 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
3001 if test "$cf_rpath_skip" = no
3003 # transform the option
3004 if test "$LD_RPATH_OPT" = "-R " ; then
3005 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
3007 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
3010 # if we have not already added this, add it now
3011 cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
3012 if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
3014 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
3015 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
3020 cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
3024 CF_VERBOSE(...checked $1 [$]$1)
3025 AC_SUBST(EXTRA_LDFLAGS)
3027 dnl ---------------------------------------------------------------------------
3028 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
3030 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
3031 dnl programs need this test).
3033 dnl This is really a MacOS X 10.4.3 workaround. Defining _POSIX_C_SOURCE
3034 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct
3035 dnl winsize declaration is left alone - we may revisit this if Apple choose to
3036 dnl break that part of the interface as well.
3037 AC_DEFUN([CF_SIGWINCH],
3039 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
3041 #include <sys/types.h>
3042 #include <sys/signal.h>
3043 ],[int x = SIGWINCH],
3044 [cf_cv_define_sigwinch=yes],
3046 #undef _XOPEN_SOURCE
3047 #undef _POSIX_SOURCE
3048 #undef _POSIX_C_SOURCE
3049 #include <sys/types.h>
3050 #include <sys/signal.h>
3051 ],[int x = SIGWINCH],
3052 [cf_cv_define_sigwinch=maybe],
3053 [cf_cv_define_sigwinch=no])
3057 if test "$cf_cv_define_sigwinch" = maybe ; then
3058 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
3059 cf_cv_fixup_sigwinch=unknown
3061 while test $cf_sigwinch != 1
3064 #undef _XOPEN_SOURCE
3065 #undef _POSIX_SOURCE
3066 #undef _POSIX_C_SOURCE
3067 #include <sys/types.h>
3068 #include <sys/signal.h>
3070 #if SIGWINCH != $cf_sigwinch
3074 [cf_cv_fixup_sigwinch=$cf_sigwinch
3077 cf_sigwinch=`expr $cf_sigwinch - 1`
3081 if test "$cf_cv_fixup_sigwinch" != unknown ; then
3082 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
3086 dnl ---------------------------------------------------------------------------
3087 dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
3089 dnl signal handler, but there are some gcc depedencies in that recommendation.
3091 AC_DEFUN([CF_SIG_ATOMIC_T],
3093 AC_MSG_CHECKING(for signal global datatype)
3094 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
3096 "volatile sig_atomic_t" \
3101 #include <sys/types.h>
3107 static void handler(int sig)
3111 [signal(SIGINT, handler);
3113 [cf_cv_sig_atomic_t=$cf_type],
3114 [cf_cv_sig_atomic_t=no])
3115 test "$cf_cv_sig_atomic_t" != no && break
3118 AC_MSG_RESULT($cf_cv_sig_atomic_t)
3119 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
3121 dnl ---------------------------------------------------------------------------
3122 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3124 dnl Construct a search-list for a nonstandard header/lib-file
3125 dnl $1 = the variable to return as result
3126 dnl $2 = the package name
3127 dnl $3 = the subdirectory, e.g., bin, include or lib
3128 AC_DEFUN([CF_SUBDIR_PATH],
3132 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3134 for cf_subdir_prefix in \
3142 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3145 dnl ---------------------------------------------------------------------------
3146 dnl CF_SYS_TIME_SELECT version: 6 updated: 2015/04/18 08:56:57
3147 dnl ------------------
3148 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
3149 dnl older SCO configurations.
3150 AC_DEFUN([CF_SYS_TIME_SELECT],
3152 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
3153 AC_CACHE_VAL(cf_cv_sys_time_select,[
3155 #include <sys/types.h>
3156 #ifdef HAVE_SYS_TIME_H
3157 #include <sys/time.h>
3159 #ifdef HAVE_SYS_SELECT_H
3160 #include <sys/select.h>
3162 ],[],[cf_cv_sys_time_select=yes],
3163 [cf_cv_sys_time_select=no])
3165 AC_MSG_RESULT($cf_cv_sys_time_select)
3166 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>])
3168 dnl ---------------------------------------------------------------------------
3169 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3171 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3172 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3173 dnl but some packagers change this, breaking various applications.
3174 AC_DEFUN([CF_TERM_HEADER],[
3175 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3176 case ${cf_cv_ncurses_header} in
3177 (*/ncurses.h|*/ncursesw.h)
3178 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3181 cf_term_header=term.h
3185 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3187 AC_TRY_COMPILE([#include <stdio.h>
3188 #include <${cf_cv_ncurses_header:-curses.h}>
3190 ],[int x = auto_left_margin],[
3191 cf_cv_term_header="$cf_test"],[
3192 cf_cv_term_header=unknown
3194 test "$cf_cv_term_header" != unknown && break
3198 # Set definitions to allow ifdef'ing to accommodate subdirectories
3200 case $cf_cv_term_header in
3202 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3206 case $cf_cv_term_header in
3208 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3211 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3215 dnl ---------------------------------------------------------------------------
3216 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3218 dnl Define a top_builddir symbol, for applications that need an absolute path.
3219 AC_DEFUN([CF_TOP_BUILDDIR],
3221 top_builddir=ifelse($1,,`pwd`,$1)
3222 AC_SUBST(top_builddir)
3224 dnl ---------------------------------------------------------------------------
3225 dnl CF_TPUTS_PROTO version: 3 updated: 2015/04/17 21:26:14
3227 dnl Check for type of function-pointer passed to tputs. Some old
3228 dnl implementations used functions that had different prototypes, making it
3229 dnl hard to compile portable programs using tputs.
3230 AC_DEFUN([CF_TPUTS_PROTO],[
3231 CF_CURSES_FUNCS(tputs)
3232 if test x$cf_cv_func_tputs = xyes
3235 for cf_arg in int char
3237 for cf_ret in int void
3239 if test $cf_ret = void
3241 cf_return="/* nothing */"
3243 cf_return="return value"
3246 #include <${cf_cv_ncurses_header:-curses.h}>
3247 #include <$cf_cv_term_header>
3249 static $cf_ret outc($cf_arg value) { $cf_return; }
3251 tputs("hello", 0, outc);
3252 ${cf_cv_main_return:-return}(0);
3254 CF_VERBOSE([prototype $cf_ret func($cf_arg value)])
3255 cat >>confdefs.h <<EOF
3256 #define TPUTS_ARG $cf_arg
3257 #define TPUTS_PROTO(func,value) $cf_ret func(TPUTS_ARG value)
3258 #define TPUTS_RETURN(value) $cf_return
3264 test $cf_done = yes && break
3268 dnl ---------------------------------------------------------------------------
3269 dnl CF_TRIM_X_LIBS version: 3 updated: 2015/04/12 15:39:00
3271 dnl Trim extra base X libraries added as a workaround for inconsistent library
3272 dnl dependencies returned by "new" pkg-config files.
3273 AC_DEFUN([CF_TRIM_X_LIBS],[
3274 for cf_trim_lib in Xmu Xt X11
3277 (*-l$cf_trim_lib\ *-l$cf_trim_lib*)
3278 LIBS=`echo "$LIBS " | sed -e 's/ / /g' -e 's%-l'"$cf_trim_lib"' %%' -e 's/ $//'`
3279 CF_VERBOSE(..trimmed $LIBS)
3284 dnl ---------------------------------------------------------------------------
3285 dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06
3286 dnl -----------------
3287 dnl This is a simple wrapper to use for pkg-config, for libraries which may be
3288 dnl available in that form.
3290 dnl $1 = package name
3291 dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
3292 dnl $3 = logic to use if pkg-config does not have the package
3293 AC_DEFUN([CF_TRY_PKG_CONFIG],[
3294 AC_REQUIRE([CF_PKG_CONFIG])
3296 if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
3297 CF_VERBOSE(found package $1)
3298 cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
3299 cf_pkgconfig_libs="`$PKG_CONFIG --libs $1 2>/dev/null`"
3300 CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
3301 CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
3302 CF_ADD_CFLAGS($cf_pkgconfig_incs)
3303 CF_ADD_LIBS($cf_pkgconfig_libs)
3304 ifelse([$2],,:,[$2])
3308 ifelse([$3],,:,[$3])
3311 dnl ---------------------------------------------------------------------------
3312 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3313 dnl -------------------
3314 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3315 dnl can define it successfully.
3316 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3317 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3321 #include <sys/types.h>
3323 #ifndef _XOPEN_SOURCE
3326 [cf_cv_xopen_source=no],
3327 [cf_save="$CPPFLAGS"
3328 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3332 #include <sys/types.h>
3334 #ifdef _XOPEN_SOURCE
3337 [cf_cv_xopen_source=no],
3338 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3343 if test "$cf_cv_xopen_source" != no ; then
3344 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3345 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3346 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3347 CF_ADD_CFLAGS($cf_temp_xopen_source)
3350 dnl ---------------------------------------------------------------------------
3351 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3353 dnl Make an uppercase version of a variable
3354 dnl $1=uppercase($2)
3355 AC_DEFUN([CF_UPPER],
3357 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3359 dnl ---------------------------------------------------------------------------
3360 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3362 dnl Check for multibyte support, and if not found, utf8 compatibility library
3363 AC_DEFUN([CF_UTF8_LIB],
3365 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3366 cf_save_LIBS="$LIBS"
3368 #include <stdlib.h>],[putwc(0,0);],
3369 [cf_cv_utf8_lib=yes],
3371 #include <libutf8.h>],[putwc(0,0);],utf8,
3372 [cf_cv_utf8_lib=add-on],
3373 [cf_cv_utf8_lib=no])
3376 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3378 if test "$cf_cv_utf8_lib" = "add-on" ; then
3379 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3380 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3381 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3382 CF_ADD_LIBS($cf_cv_library_file_utf8)
3385 dnl ---------------------------------------------------------------------------
3386 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3388 dnl Use AC_VERBOSE w/o the warnings
3389 AC_DEFUN([CF_VERBOSE],
3390 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3393 dnl ---------------------------------------------------------------------------
3394 dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
3396 dnl Check if type wide-character type $1 is declared, and if so, which header
3397 dnl file is needed. The second parameter is used to set a shell variable when
3398 dnl the type is not found. The first parameter sets a shell variable for the
3400 AC_DEFUN([CF_WCHAR_TYPE],
3402 # This is needed on Tru64 5.0 to declare $1
3403 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
3408 #ifdef HAVE_LIBUTF8_H
3409 #include <libutf8.h>
3418 #ifdef HAVE_LIBUTF8_H
3419 #include <libutf8.h>
3423 [cf_cv_$1=unknown])])])
3425 if test "$cf_cv_$1" = yes ; then
3426 AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h])
3431 # if we do not find $1 in either place, use substitution to provide a fallback.
3432 if test "$cf_cv_$1" = unknown ; then
3437 # if we find $1 in either place, use substitution to provide a fallback.
3438 if test "$cf_cv_$1" != unknown ; then
3443 dnl ---------------------------------------------------------------------------
3444 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3445 dnl ------------------
3446 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3448 AC_DEFUN([CF_WITH_CURSES_DIR],[
3450 AC_MSG_CHECKING(for specific curses-directory)
3451 AC_ARG_WITH(curses-dir,
3452 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3453 [cf_cv_curses_dir=$withval],
3454 [cf_cv_curses_dir=no])
3455 AC_MSG_RESULT($cf_cv_curses_dir)
3457 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3459 CF_PATH_SYNTAX(withval)
3460 if test -d "$cf_cv_curses_dir"
3462 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3463 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3467 dnl ---------------------------------------------------------------------------
3468 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
3469 dnl ----------------
3470 dnl Configure-option for dbmalloc. The optional parameter is used to override
3471 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3472 AC_DEFUN([CF_WITH_DBMALLOC],[
3473 CF_NO_LEAKS_OPTION(dbmalloc,
3474 [ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
3477 if test "$with_dbmalloc" = yes ; then
3478 AC_CHECK_HEADER(dbmalloc.h,
3479 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
3482 dnl ---------------------------------------------------------------------------
3483 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
3485 dnl Configure-option for dmalloc. The optional parameter is used to override
3486 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3487 AC_DEFUN([CF_WITH_DMALLOC],[
3488 CF_NO_LEAKS_OPTION(dmalloc,
3489 [ --with-dmalloc test: use Gray Watson's dmalloc library],
3492 if test "$with_dmalloc" = yes ; then
3493 AC_CHECK_HEADER(dmalloc.h,
3494 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
3497 dnl ---------------------------------------------------------------------------
3498 dnl CF_WITH_NCURSES_ETC version: 5 updated: 2016/02/20 19:23:20
3499 dnl -------------------
3500 dnl Use this macro for programs which use any variant of "curses", e.g.,
3501 dnl "ncurses", and "PDCurses". Programs that can use curses and some unrelated
3502 dnl library (such as slang) should use a "--with-screen=XXX" option.
3504 dnl This does not use AC_DEFUN, because that would tell autoconf to run each
3505 dnl of the macros inside this one - before this macro.
3506 define([CF_WITH_NCURSES_ETC],[
3511 AC_MSG_CHECKING(for specified curses library type)
3513 [ --with-screen=XXX use specified curses-libraries],
3514 [cf_cv_screen=$withval],[
3516 AC_ARG_WITH(ncursesw,
3517 [ --with-ncursesw use wide ncurses-libraries],
3518 [cf_cv_screen=ncursesw],[
3520 AC_ARG_WITH(ncurses,
3521 [ --with-ncurses use ncurses-libraries],
3522 [cf_cv_screen=ncurses],[
3524 AC_ARG_WITH(pdcurses,
3525 [ --with-pdcurses compile/link with pdcurses X11 library],
3526 [cf_cv_screen=pdcurses],[
3528 AC_ARG_WITH(curses-colr,
3529 [ --with-curses-colr compile/link with HPUX 10.x color-curses],
3530 [cf_cv_screen=curses_colr],[
3532 AC_ARG_WITH(curses-5lib,
3533 [ --with-curses-5lib compile/link with SunOS 5lib curses],
3534 [cf_cv_screen=curses_5lib])])])])])])
3536 AC_MSG_RESULT($cf_cv_screen)
3538 case $cf_cv_screen in
3544 CF_NCURSES_CONFIG($cf_cv_screen)
3547 CF_NCURSES_CONFIG($cf_cv_screen)
3553 AC_MSG_ERROR(unexpected screen-value: $cf_cv_screen)
3557 CF_NCURSES_PTHREADS($cf_cv_screen)
3560 dnl ---------------------------------------------------------------------------
3561 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
3562 dnl ----------------
3563 AC_DEFUN([CF_WITH_VALGRIND],[
3564 CF_NO_LEAKS_OPTION(valgrind,
3565 [ --with-valgrind test: use valgrind],
3568 dnl ---------------------------------------------------------------------------
3569 dnl CF_WITH_X11_RGB version: 1 updated: 2017/11/25 17:32:16
3571 dnl Handle configure option "--with-x11-rgb", setting these shell
3574 dnl $RGB_PATH is the option value, used for finding the X11 rgb file.
3575 dnl $no_x11_rgb is a "#" (comment) if "--without-x11-rgb" is given.
3577 dnl Most Linux's use this:
3578 dnl /usr/share/X11/rgb.txt
3579 dnl Debian uses this:
3580 dnl /etc/X11/rgb.txt
3581 dnl DragonFlyBSD ports uses this:
3582 dnl /usr/pkg/lib/X11/rgb.txt
3583 dnl FreeBSD ports use these:
3584 dnl /usr/local/lib/X11/rgb.txt
3585 dnl /usr/local/share/X11/rgb.txt
3586 dnl Mandriva has these:
3587 dnl /usr/lib/X11/rgb.txt
3588 dnl /usr/lib64/X11/rgb.txt
3589 dnl NetBSD has these
3590 dnl /usr/X11R7/lib/X11/rgb.txt
3591 dnl OpenSolaris uses
3593 dnl /usr/X11/etc/X11/rgb.txt
3594 dnl /usr/X11/share/X11/rgb.txt
3595 dnl /usr/X11/lib/X11/rgb.txt
3597 dnl /opt/local/share/X11/rgb.txt (MacPorts)
3598 dnl /opt/X11/share/X11/rgb.txt (non-ports)
3600 dnl /usr/X11/etc/X11/rgb.txt
3601 dnl /usr/X11/share/X11/rgb.txt (perhaps)
3602 dnl /usr/X11/lib/amd64/X11/rgb.txt
3603 dnl Solaris10 uses (in this order):
3604 dnl /usr/openwin/lib/X11/rgb.txt
3605 dnl /usr/X11/lib/X11/rgb.txt
3606 AC_DEFUN([CF_WITH_X11_RGB],[
3607 AC_MSG_CHECKING(for X11 rgb file)
3608 AC_ARG_WITH(x11-rgb,
3609 [ --with-x11-rgb=FILE file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)],
3610 [RGB_PATH=$withval],
3613 if test "x[$]RGB_PATH" = xauto
3615 RGB_PATH='${exec_prefix}/lib/X11/rgb.txt'
3617 /opt/local/share/X11/rgb.txt \
3618 /opt/X11/share/X11/rgb.txt \
3619 /usr/share/X11/rgb.txt \
3620 /usr/X11/share/X11/rgb.txt \
3621 /usr/X11/lib/X11/rgb.txt \
3622 /usr/lib/X11/rgb.txt \
3624 /usr/pkg/lib/X11/rgb.txt \
3625 /usr/X11R7/lib/X11/rgb.txt \
3626 /usr/X11R6/lib/X11/rgb.txt \
3627 /usr/X11R5/lib/X11/rgb.txt \
3628 /usr/X11R4/lib/X11/rgb.txt \
3629 /usr/local/lib/X11/rgb.txt \
3630 /usr/local/share/X11/rgb.txt \
3631 /usr/lib64/X11/rgb.txt
3633 if test -f "$cf_path" ; then
3640 CF_PATH_SYNTAX(cf_path)
3643 AC_MSG_RESULT($RGB_PATH)
3645 AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path")
3648 if test "$RGB_PATH" = no
3652 AC_SUBST(no_x11_rgb)
3654 dnl ---------------------------------------------------------------------------
3655 dnl CF_XOPEN_CURSES version: 13 updated: 2015/12/12 20:59:52
3657 dnl Test if we should define X/Open source for curses, needed on Digital Unix
3658 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
3660 dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
3661 dnl as getbegy(). The latter is better design, but the former is standard.
3662 AC_DEFUN([CF_XOPEN_CURSES],
3664 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3665 AC_CACHE_CHECK(definition to turn on extended curses functions,cf_cv_need_xopen_extension,[
3666 cf_cv_need_xopen_extension=unknown
3669 #include <${cf_cv_ncurses_header:-curses.h}>],[
3670 #if defined(NCURSES_VERSION_PATCH)
3671 #if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
3675 #ifdef NCURSES_VERSION
3677 int check2 = curs_set((int)sizeof(check));
3679 long x = winnstr(stdscr, "", 0);
3681 getbegyx(stdscr, y1, x1)],
3682 [cf_cv_need_xopen_extension=none],
3684 for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR
3687 #define $cf_try_xopen_extension 1
3689 #include <${cf_cv_ncurses_header:-curses.h}>],[
3690 #ifdef NCURSES_VERSION
3692 int check2 = curs_set((int)sizeof(check));
3694 long x = winnstr(stdscr, "", 0);
3696 getbegyx(stdscr, y1, x1)],
3697 [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break])
3702 case $cf_cv_need_xopen_extension in
3704 CPPFLAGS="$CPPFLAGS -D$cf_cv_need_xopen_extension"
3709 dnl ---------------------------------------------------------------------------
3710 dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42
3712 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3713 dnl or adapt to the vendor's definitions to get equivalent functionality,
3714 dnl without losing the common non-POSIX features.
3717 dnl $1 is the nominal value for _XOPEN_SOURCE
3718 dnl $2 is the nominal value for _POSIX_C_SOURCE
3719 AC_DEFUN([CF_XOPEN_SOURCE],[
3720 AC_REQUIRE([AC_CANONICAL_HOST])
3722 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3723 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3728 cf_xopen_source="-D_ALL_SOURCE"
3734 cf_xopen_source="-D_APPLE_C_SOURCE"
3737 cf_xopen_source="-D_DARWIN_C_SOURCE"
3740 (freebsd*|dragonfly*)
3741 # 5.x headers associate
3742 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3743 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3744 cf_POSIX_C_SOURCE=200112L
3746 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3749 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3752 cf_xopen_source="-D_HPUX_SOURCE"
3755 cf_xopen_source="-D_SGI_SOURCE"
3758 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
3762 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3765 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3767 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3770 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3773 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3774 cf_xopen_source="-D_BSD_SOURCE"
3778 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3781 cf_xopen_source="-D_OSF_SOURCE"
3784 cf_xopen_source="-D_QNX_SOURCE"
3787 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3790 cf_xopen_source="-D__EXTENSIONS__"
3791 cf_cv_xopen_source=broken
3793 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3799 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3803 if test -n "$cf_xopen_source" ; then
3804 CF_ADD_CFLAGS($cf_xopen_source,true)
3807 dnl In anything but the default case, we may have system-specific setting
3808 dnl which is still not guaranteed to provide all of the entrypoints that
3809 dnl _XOPEN_SOURCE would yield.
3810 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3811 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3812 AC_TRY_COMPILE([#include <stdlib.h>],[
3813 #ifndef _XOPEN_SOURCE
3816 [cf_XOPEN_SOURCE_set=yes],
3817 [cf_XOPEN_SOURCE_set=no])
3818 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3819 if test $cf_XOPEN_SOURCE_set = yes
3821 AC_TRY_COMPILE([#include <stdlib.h>],[
3822 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3825 [cf_XOPEN_SOURCE_set_ok=yes],
3826 [cf_XOPEN_SOURCE_set_ok=no])
3827 if test $cf_XOPEN_SOURCE_set_ok = no
3829 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3836 dnl ---------------------------------------------------------------------------
3837 dnl CF_X_ATHENA version: 23 updated: 2015/04/12 15:39:00
3839 dnl Check for Xaw (Athena) libraries
3841 dnl Sets $cf_x_athena according to the flavor of Xaw which is used.
3842 AC_DEFUN([CF_X_ATHENA],
3844 cf_x_athena=${cf_x_athena:-Xaw}
3846 AC_MSG_CHECKING(if you want to link with Xaw 3d library)
3849 [ --with-Xaw3d link with Xaw 3d library])
3850 if test "$withval" = yes ; then
3857 AC_MSG_CHECKING(if you want to link with Xaw 3d xft library)
3859 AC_ARG_WITH(Xaw3dxft,
3860 [ --with-Xaw3dxft link with Xaw 3d xft library])
3861 if test "$withval" = yes ; then
3862 cf_x_athena=Xaw3dxft
3868 AC_MSG_CHECKING(if you want to link with neXT Athena library)
3871 [ --with-neXtaw link with neXT Athena library])
3872 if test "$withval" = yes ; then
3879 AC_MSG_CHECKING(if you want to link with Athena-Plus library)
3881 AC_ARG_WITH(XawPlus,
3882 [ --with-XawPlus link with Athena-Plus library])
3883 if test "$withval" = yes ; then
3892 if test "$PKG_CONFIG" != none ; then
3894 test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6"
3895 for cf_athena_pkg in \
3898 ${cf_x_athena}-devel \
3900 lib${cf_x_athena}-devel
3902 CF_TRY_PKG_CONFIG($cf_athena_pkg,[
3903 cf_x_athena_lib="$cf_pkgconfig_libs"
3904 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
3905 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
3909 AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[
3911 #include <X11/Xmu/CharSet.h>
3913 int check = XmuCompareISOLatin1("big", "small")
3914 ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])])
3916 if test "$cf_cv_xaw_compat" = no
3918 # workaround for broken ".pc" files...
3919 case "$cf_x_athena_lib" in
3923 CF_VERBOSE(work around broken package)
3925 cf_first_lib=`echo "$cf_save_xmu" | sed -e 's/^[ ][ ]*//' -e 's/ .*//'`
3926 CF_TRY_PKG_CONFIG(xmu,[
3928 CF_ADD_LIB_AFTER($cf_first_lib,$cf_pkgconfig_libs)
3930 CF_ADD_LIB_AFTER($cf_first_lib,-lXmu)
3941 if test -z "$cf_x_athena_lib" ; then
3944 CF_X_ATHENA_CPPFLAGS($cf_x_athena)
3945 CF_X_ATHENA_LIBS($cf_x_athena)
3948 dnl ---------------------------------------------------------------------------
3949 dnl CF_X_ATHENA_CPPFLAGS version: 5 updated: 2010/05/26 17:35:30
3950 dnl --------------------
3951 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
3952 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
3953 AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
3955 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
3958 for cf_path in default \
3959 /usr/contrib/X11R6 \
3960 /usr/contrib/X11R5 \
3964 if test -z "$cf_x_athena_inc" ; then
3966 cf_test=X11/$cf_x_athena_root/SimpleMenu.h
3967 if test $cf_path != default ; then
3968 CPPFLAGS="$cf_save -I$cf_path/include"
3969 AC_MSG_CHECKING(for $cf_test in $cf_path)
3971 AC_MSG_CHECKING(for $cf_test)
3974 #include <X11/Intrinsic.h>
3975 #include <$cf_test>],[],
3978 AC_MSG_RESULT($cf_result)
3979 if test "$cf_result" = yes ; then
3980 cf_x_athena_inc=$cf_path
3988 if test -z "$cf_x_athena_inc" ; then
3990 [Unable to successfully find Athena header files with test program])
3991 elif test "$cf_x_athena_inc" != default ; then
3992 CPPFLAGS="$CPPFLAGS -I$cf_x_athena_inc"
3995 dnl ---------------------------------------------------------------------------
3996 dnl CF_X_ATHENA_LIBS version: 12 updated: 2011/07/17 19:55:02
3997 dnl ----------------
3998 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
3999 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
4000 AC_DEFUN([CF_X_ATHENA_LIBS],
4001 [AC_REQUIRE([CF_X_TOOLKIT])
4002 cf_x_athena_root=ifelse([$1],,Xaw,[$1])
4005 for cf_path in default \
4006 /usr/contrib/X11R6 \
4007 /usr/contrib/X11R5 \
4012 ${cf_x_athena_root} \
4013 ${cf_x_athena_root}7 \
4014 ${cf_x_athena_root}6
4018 "-l$cf_lib -lXpm -lXmu" \
4019 "-l${cf_lib}_s -lXmu_s"
4021 if test -z "$cf_x_athena_lib" ; then
4023 cf_test=XawSimpleMenuAddGlobalActions
4024 if test $cf_path != default ; then
4025 CF_ADD_LIBS(-L$cf_path/lib $cf_libs)
4026 AC_MSG_CHECKING(for $cf_libs in $cf_path)
4028 CF_ADD_LIBS($cf_libs)
4029 AC_MSG_CHECKING(for $cf_test in $cf_libs)
4032 #include <X11/Intrinsic.h>
4033 #include <X11/$cf_x_athena_root/SimpleMenu.h>
4035 $cf_test((XtAppContext) 0)],
4038 AC_MSG_RESULT($cf_result)
4039 if test "$cf_result" = yes ; then
4040 cf_x_athena_lib="$cf_libs"
4046 test -n "$cf_x_athena_lib" && break
4050 if test -z "$cf_x_athena_lib" ; then
4052 [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
4055 CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
4056 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
4058 dnl ---------------------------------------------------------------------------
4059 dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05
4061 AC_DEFUN([CF_X_EXT],[
4062 CF_TRY_PKG_CONFIG(Xext,,[
4063 AC_CHECK_LIB(Xext,XextCreateExtension,
4064 [CF_ADD_LIB(Xext)])])
4066 dnl ---------------------------------------------------------------------------
4067 dnl CF_X_TOOLKIT version: 23 updated: 2015/04/12 15:39:00
4069 dnl Check for X Toolkit libraries
4070 AC_DEFUN([CF_X_TOOLKIT],
4072 AC_REQUIRE([AC_PATH_XTRA])
4073 AC_REQUIRE([CF_CHECK_CACHE])
4075 # OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new), and (and
4076 # in some cases has installed dummy files in the former, other cases replaced
4077 # it with a link to the new location). This complicates the configure script.
4078 # Check for that pitfall, and recover using pkg-config
4080 # If none of these are set, the configuration is almost certainly broken.
4081 if test -z "${X_CFLAGS}${X_PRE_LIBS}${X_LIBS}${X_EXTRA_LIBS}"
4083 CF_TRY_PKG_CONFIG(x11,,[AC_MSG_WARN(unable to find X11 library)])
4084 CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)])
4085 CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)])
4086 CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)])
4091 CF_TRY_PKG_CONFIG(xt,[
4097 # we have an "xt" package, but it may omit Xt's dependency on X11
4098 AC_CACHE_CHECK(for usable X dependency,cf_cv_xt_x11_compat,[
4100 #include <X11/Xlib.h>
4102 int rc1 = XDrawLine((Display*) 0, (Drawable) 0, (GC) 0, 0, 0, 0, 0);
4103 int rc2 = XClearWindow((Display*) 0, (Window) 0);
4104 int rc3 = XMoveWindow((Display*) 0, (Window) 0, 0, 0);
4105 int rc4 = XMoveResizeWindow((Display*)0, (Window)0, 0, 0, 0, 0);
4106 ],[cf_cv_xt_x11_compat=yes],[cf_cv_xt_x11_compat=no])])
4107 if test "$cf_cv_xt_x11_compat" = no
4109 CF_VERBOSE(work around broken X11 dependency)
4110 # 2010/11/19 - good enough until a working Xt on Xcb is delivered.
4111 CF_TRY_PKG_CONFIG(x11,,[CF_ADD_LIB_AFTER(-lXt,-lX11)])
4116 AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[
4118 #include <X11/Shell.h>
4119 ],[int num = IceConnectionNumber(0)
4120 ],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])])
4122 if test "$cf_cv_xt_ice_compat" = no
4124 # workaround for broken ".pc" files used for X Toolkit.
4125 case "x$X_PRE_LIBS" in
4131 CF_VERBOSE(work around broken ICE dependency)
4132 CF_TRY_PKG_CONFIG(ice,
4133 [CF_TRY_PKG_CONFIG(sm)],
4134 [CF_ADD_LIB_AFTER(-lXt,$X_PRE_LIBS)])
4144 LDFLAGS="$X_LIBS $LDFLAGS"
4145 CF_CHECK_CFLAGS($X_CFLAGS)
4147 AC_CHECK_FUNC(XOpenDisplay,,[
4148 AC_CHECK_LIB(X11,XOpenDisplay,
4150 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
4152 AC_CHECK_FUNC(XtAppInitialize,,[
4153 AC_CHECK_LIB(Xt, XtAppInitialize,
4154 [AC_DEFINE(HAVE_LIBXT,1,[Define to 1 if we can compile with the Xt library])
4156 LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
4157 [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
4160 if test $cf_have_X_LIBS = no ; then
4162 [Unable to successfully link X Toolkit library (-lXt) with
4163 test program. You will have to check and add the proper libraries by hand
4167 dnl ---------------------------------------------------------------------------
4168 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
4170 dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
4171 dnl are both available.
4172 define([CF__CURSES_HEAD],[
4174 #include <xcurses.h>
4175 char * XCursesProgramName = "test";
4177 #include <${cf_cv_ncurses_header:-curses.h}>
4178 #if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
4179 #include <ncursesw/term.h>
4180 #elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
4181 #include <ncurses/term.h>
4182 #elif defined(HAVE_TERM_H)