aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright 2018-2019,2020 Thomas E. Dickey                                *
   3 dnl Copyright 1998-2017,2018 Free Software Foundation, Inc.                  *
   4 dnl                                                                          *
   5 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   6 dnl copy of this software and associated documentation files (the            *
   7 dnl "Software"), to deal in the Software without restriction, including      *
   8 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   9 dnl distribute, distribute with modifications, sublicense, and/or sell       *
  10 dnl copies of the Software, and to permit persons to whom the Software is    *
  11 dnl furnished to do so, subject to the following conditions:                 *
  12 dnl                                                                          *
  13 dnl The above copyright notice and this permission notice shall be included  *
  14 dnl in all copies or substantial portions of the Software.                   *
  15 dnl                                                                          *
  16 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  17 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  18 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  19 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  20 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  21 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  22 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  23 dnl                                                                          *
  24 dnl Except as contained in this notice, the name(s) of the above copyright   *
  25 dnl holders shall not be used in advertising or otherwise to promote the     *
  26 dnl sale, use or other dealings in this Software without prior written       *
  27 dnl authorization.                                                           *
  28 dnl***************************************************************************
  29 dnl
  30 dnl Author: Thomas E. Dickey 1995-on
  31 dnl
  32 dnl $Id: aclocal.m4,v 1.942 2020/12/05 21:43:15 tom Exp $
  33 dnl Macros used in NCURSES auto-configuration script.
  34 dnl
  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.
  38 dnl
  39 dnl See these pages for additional information:
  40 dnl             https://invisible-island.net/autoconf/
  41 dnl             https://invisible-island.net/autoconf/my-autoconf.html
  42 dnl
  43 dnl ---------------------------------------------------------------------------
  44 dnl ---------------------------------------------------------------------------
  45 dnl AM_LANGINFO_CODESET version: 5 updated: 2020/03/10 18:53:47
  46 dnl -------------------
  47 dnl Inserted as requested by gettext 0.10.40
  48 dnl File from /usr/share/aclocal
  49 dnl codeset.m4
  50 dnl ====================
  51 dnl serial AM1
  52 dnl
  53 dnl From Bruno Haible.
  54 AC_DEFUN([AM_LANGINFO_CODESET],
  55 [
  56 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
  57         [AC_TRY_LINK([#include <langinfo.h>],
  58         [char* cs = nl_langinfo(CODESET); (void)cs],
  59         am_cv_langinfo_codeset=yes,
  60         am_cv_langinfo_codeset=no)
  61         ])
  62         if test $am_cv_langinfo_codeset = yes; then
  63                 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
  64                 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  65         fi
  66 ])dnl
  67 dnl ---------------------------------------------------------------------------
  68 dnl CF_ABI_DEFAULTS version: 2 updated: 2015/06/06 13:49:58
  69 dnl ---------------
  70 dnl Provide configure-script defaults for different ncurses ABIs.
  71 AC_DEFUN([CF_ABI_DEFAULTS],[
  72 AC_REQUIRE([CF_NCURSES_WITH_ABI_VERSION])
  73 case x$cf_cv_abi_version in
  74 (x[[6789]])
  75         cf_dft_ext_colors=yes
  76         cf_dft_ext_const=yes
  77         cf_dft_ext_mouse=yes
  78         cf_dft_ext_putwin=yes
  79         cf_dft_ext_spfuncs=yes
  80         cf_dft_filter_syms=yes
  81         cf_dft_chtype=uint32_t
  82         cf_dft_mmask_t=uint32_t
  83         cf_dft_interop=yes
  84         cf_dft_tparm_arg=intptr_t
  85         cf_dft_with_lp64=yes
  86         ;;
  87 (*)
  88         cf_dft_ext_colors=no
  89         cf_dft_ext_const=no
  90         cf_dft_ext_mouse=no
  91         cf_dft_ext_putwin=no
  92         cf_dft_ext_spfuncs=no
  93         cf_dft_filter_syms=no
  94         cf_dft_chtype=auto
  95         cf_dft_mmask_t=auto
  96         cf_dft_interop=no
  97         cf_dft_tparm_arg=long
  98         cf_dft_with_lp64=no
  99         ;;
 100 esac
 101 ])dnl
 102 dnl ---------------------------------------------------------------------------
 103 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
 104 dnl ------------------
 105 dnl Conditionally generate script according to whether we're using a given autoconf.
 106 dnl
 107 dnl $1 = version to compare against
 108 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
 109 dnl $3 = code to use if AC_ACVERSION is older than $1.
 110 define([CF_ACVERSION_CHECK],
 111 [
 112 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
 113 ifdef([m4_version_compare],
 114 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
 115 [CF_ACVERSION_COMPARE(
 116 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
 117 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
 118 dnl ---------------------------------------------------------------------------
 119 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
 120 dnl --------------------
 121 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
 122 dnl                      MAJOR2, MINOR2, TERNARY2,
 123 dnl                      PRINTABLE2, not FOUND, FOUND)
 124 define([CF_ACVERSION_COMPARE],
 125 [ifelse(builtin([eval], [$2 < $5]), 1,
 126 [ifelse([$8], , ,[$8])],
 127 [ifelse([$9], , ,[$9])])])dnl
 128 dnl ---------------------------------------------------------------------------
 129 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
 130 dnl -------------------
 131 dnl Construct the list of include-options for the C programs in the Ada95
 132 dnl binding.
 133 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
 134 [
 135 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
 136 if test "$srcdir" != "."; then
 137         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
 138 fi
 139 if test "$GCC" != yes; then
 140         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 141 elif test "$includedir" != "/usr/include"; then
 142         if test "$includedir" = '${prefix}/include' ; then
 143                 if test x$prefix != x/usr ; then
 144                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 145                 fi
 146         else
 147                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 148         fi
 149 fi
 150 AC_SUBST(ACPPFLAGS)
 151 ])dnl
 152 dnl ---------------------------------------------------------------------------
 153 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
 154 dnl ---------------
 155 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
 156 AC_DEFUN([CF_ADD_ADAFLAGS],[
 157         ADAFLAGS="$ADAFLAGS $1"
 158         AC_SUBST(ADAFLAGS)
 159 ])dnl
 160 dnl ---------------------------------------------------------------------------
 161 dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13
 162 dnl -------------
 163 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 164 dnl $1 = flags to add
 165 dnl $2 = if given makes this macro verbose.
 166 dnl
 167 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 168 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 169 dnl confused by the quotes (which require backslashes to keep them usable).
 170 AC_DEFUN([CF_ADD_CFLAGS],
 171 [
 172 cf_fix_cppflags=no
 173 cf_new_cflags=
 174 cf_new_cppflags=
 175 cf_new_extra_cppflags=
 176
 177 for cf_add_cflags in $1
 178 do
 179 case $cf_fix_cppflags in
 180 (no)
 181         case $cf_add_cflags in
 182         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 183                 case $cf_add_cflags in
 184                 (-D*)
 185                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 186
 187                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 188                                 && test -z "${cf_tst_cflags}" \
 189                                 && cf_fix_cppflags=yes
 190
 191                         if test $cf_fix_cppflags = yes ; then
 192                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 193                                 continue
 194                         elif test "${cf_tst_cflags}" = "\"'" ; then
 195                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 196                                 continue
 197                         fi
 198                         ;;
 199                 esac
 200                 case "$CPPFLAGS" in
 201                 (*$cf_add_cflags)
 202                         ;;
 203                 (*)
 204                         case $cf_add_cflags in
 205                         (-D*)
 206                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 207                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 208                                 ;;
 209                         esac
 210                         CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
 211                         ;;
 212                 esac
 213                 ;;
 214         (*)
 215                 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
 216                 ;;
 217         esac
 218         ;;
 219 (yes)
 220         CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 221
 222         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 223
 224         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 225                 && test -z "${cf_tst_cflags}" \
 226                 && cf_fix_cppflags=no
 227         ;;
 228 esac
 229 done
 230
 231 if test -n "$cf_new_cflags" ; then
 232         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 233         CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
 234 fi
 235
 236 if test -n "$cf_new_cppflags" ; then
 237         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 238         CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
 239 fi
 240
 241 if test -n "$cf_new_extra_cppflags" ; then
 242         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 243         CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
 244 fi
 245
 246 AC_SUBST(EXTRA_CPPFLAGS)
 247
 248 ])dnl
 249 dnl ---------------------------------------------------------------------------
 250 dnl CF_ADD_CXXFLAGS version: 1 updated: 2020/04/04 16:16:13
 251 dnl ---------------
 252 dnl Copy non-preprocessor flags to $CXXFLAGS, preprocessor flags to $CPPFLAGS
 253 dnl The second parameter if given makes this macro verbose.
 254 dnl
 255 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 256 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 257 dnl confused by the quotes (which require backslashes to keep them usable).
 258 AC_DEFUN([CF_ADD_CXXFLAGS],
 259 [
 260 cf_save_CXXFLAGS="$CFLAGS"
 261 CFLAGS="$CXXFLAGS"
 262 CF_ADD_CFLAGS($1 ifelse($2,,,[,$2]))
 263 CXXFLAGS="$CFLAGS"
 264 CFLAGS="$cf_save_CXXFLAGS"
 265 ])dnl
 266 dnl ---------------------------------------------------------------------------
 267 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
 268 dnl -------------
 269 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 270 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 271 dnl but old versions (and some misinstalled ones) need that.  To make things
 272 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 273 dnl the include-path).
 274 AC_DEFUN([CF_ADD_INCDIR],
 275 [
 276 if test -n "$1" ; then
 277   for cf_add_incdir in $1
 278   do
 279         while test $cf_add_incdir != /usr/include
 280         do
 281           if test -d $cf_add_incdir
 282           then
 283                 cf_have_incdir=no
 284                 if test -n "$CFLAGS$CPPFLAGS" ; then
 285                   # a loop is needed to ensure we can add subdirs of existing dirs
 286                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 287                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 288                           cf_have_incdir=yes; break
 289                         fi
 290                   done
 291                 fi
 292
 293                 if test "$cf_have_incdir" = no ; then
 294                   if test "$cf_add_incdir" = /usr/local/include ; then
 295                         if test "$GCC" = yes
 296                         then
 297                           cf_save_CPPFLAGS=$CPPFLAGS
 298                           CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
 299                           AC_TRY_COMPILE([#include <stdio.h>],
 300                                   [printf("Hello")],
 301                                   [],
 302                                   [cf_have_incdir=yes])
 303                           CPPFLAGS=$cf_save_CPPFLAGS
 304                         fi
 305                   fi
 306                 fi
 307
 308                 if test "$cf_have_incdir" = no ; then
 309                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 310                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 311
 312                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 313                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 314                   cf_add_incdir="$cf_top_incdir"
 315                 else
 316                   break
 317                 fi
 318           else
 319                 break
 320           fi
 321         done
 322   done
 323 fi
 324 ])dnl
 325 dnl ---------------------------------------------------------------------------
 326 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 327 dnl ----------
 328 dnl Add a library, used to enforce consistency.
 329 dnl
 330 dnl $1 = library to add, without the "-l"
 331 dnl $2 = variable to update (default $LIBS)
 332 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 333 dnl ---------------------------------------------------------------------------
 334 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 335 dnl -------------
 336 dnl     Adds to the library-path
 337 dnl
 338 dnl     Some machines have trouble with multiple -L options.
 339 dnl
 340 dnl $1 is the (list of) directory(s) to add
 341 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 342 dnl
 343 AC_DEFUN([CF_ADD_LIBDIR],
 344 [
 345 if test -n "$1" ; then
 346         for cf_add_libdir in $1
 347         do
 348                 if test $cf_add_libdir = /usr/lib ; then
 349                         :
 350                 elif test -d $cf_add_libdir
 351                 then
 352                         cf_have_libdir=no
 353                         if test -n "$LDFLAGS$LIBS" ; then
 354                                 # a loop is needed to ensure we can add subdirs of existing dirs
 355                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 356                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 357                                                 cf_have_libdir=yes; break
 358                                         fi
 359                                 done
 360                         fi
 361                         if test "$cf_have_libdir" = no ; then
 362                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 363                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 364                         fi
 365                 fi
 366         done
 367 fi
 368 ])dnl
 369 dnl ---------------------------------------------------------------------------
 370 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
 371 dnl -----------
 372 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 373 dnl prepended to an existing list, since their dependencies are assumed to
 374 dnl already exist in the list.
 375 dnl
 376 dnl $1 = libraries to add, with the "-l", etc.
 377 dnl $2 = variable to update (default $LIBS)
 378 AC_DEFUN([CF_ADD_LIBS],[
 379 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
 380 # reverse order
 381 cf_add_0lib=
 382 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
 383 # filter duplicates
 384 for cf_add_1lib in $cf_add_0lib; do
 385         for cf_add_2lib in $cf_add_libs; do
 386                 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 387                         cf_add_1lib=
 388                         break
 389                 fi
 390         done
 391         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 392 done
 393 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 394 ])dnl
 395 dnl ---------------------------------------------------------------------------
 396 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 397 dnl ------------------
 398 dnl Append to a search-list for a nonstandard header/lib-file
 399 dnl     $1 = the variable to return as result
 400 dnl     $2 = the package name
 401 dnl     $3 = the subdirectory, e.g., bin, include or lib
 402 dnl $4 = the directory under which we will test for subdirectories
 403 dnl $5 = a directory that we do not want $4 to match
 404 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 405 [
 406 test "x$4" != "x$5" && \
 407 test -d "$4" && \
 408 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 409         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 410         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 411         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 412         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 413         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 414         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 415 }
 416 ])dnl
 417 dnl ---------------------------------------------------------------------------
 418 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
 419 dnl --------------
 420 dnl use this macro for appending text without introducing an extra blank at
 421 dnl the beginning
 422 define([CF_APPEND_TEXT],
 423 [
 424         test -n "[$]$1" && $1="[$]$1 "
 425         $1="[$]{$1}$2"
 426 ])dnl
 427 dnl ---------------------------------------------------------------------------
 428 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 429 dnl --------------
 430 dnl Allow user to disable a normally-on option.
 431 AC_DEFUN([CF_ARG_DISABLE],
 432 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 433 dnl ---------------------------------------------------------------------------
 434 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
 435 dnl -------------
 436 dnl Allow user to enable a normally-off option.
 437 AC_DEFUN([CF_ARG_ENABLE],
 438 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
 439 dnl ---------------------------------------------------------------------------
 440 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 441 dnl -------------
 442 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 443 dnl values.
 444 dnl
 445 dnl Parameters:
 446 dnl $1 = option name
 447 dnl $2 = help-string
 448 dnl $3 = action to perform if option is not default
 449 dnl $4 = action if perform if option is default
 450 dnl $5 = default option value (either 'yes' or 'no')
 451 AC_DEFUN([CF_ARG_OPTION],
 452 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 453         if test "$enableval" != "$5" ; then
 454 ifelse([$3],,[    :]dnl
 455 ,[    $3]) ifelse([$4],,,[
 456         else
 457                 $4])
 458         fi],[enableval=$5 ifelse([$4],,,[
 459         $4
 460 ])dnl
 461 ])])dnl
 462 dnl ---------------------------------------------------------------------------
 463 dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29
 464 dnl -----------
 465 dnl Check for suitable "ar" (archiver) options for updating an archive.
 466 dnl
 467 dnl In particular, handle some obsolete cases where the "-" might be omitted,
 468 dnl as well as a workaround for breakage of make's archive rules by the GNU
 469 dnl binutils "ar" program.
 470 AC_DEFUN([CF_AR_FLAGS],[
 471 AC_REQUIRE([CF_PROG_AR])
 472
 473 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 474         case $cf_cv_system_name in
 475         (*-msvc*)
 476                 cf_cv_ar_flags=''
 477                 cat >mk_static_lib.sh <<-EOF
 478                 #!$SHELL
 479                 MSVC_BIN="[$]AR"
 480                 out="\[$]1"
 481                 shift
 482                 exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
 483                 EOF
 484                 chmod +x mk_static_lib.sh
 485                 AR=`pwd`/mk_static_lib.sh
 486                 ;;
 487         (*)
 488                 cf_cv_ar_flags=unknown
 489                 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
 490                 do
 491
 492                         # check if $ARFLAGS already contains this choice
 493                         if test "x$ARFLAGS" != "x" ; then
 494                                 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 495                                 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 496                                         cf_cv_ar_flags=
 497                                         break
 498                                 fi
 499                         fi
 500
 501                         rm -f conftest.$ac_cv_objext
 502                         rm -f conftest.a
 503
 504                         cat >conftest.$ac_ext <<EOF
 505 #line __oline__ "configure"
 506 int     testdata[[3]] = { 123, 456, 789 };
 507 EOF
 508                         if AC_TRY_EVAL(ac_compile) ; then
 509                                 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 510                                 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 511                                 if test -f conftest.a ; then
 512                                         cf_cv_ar_flags=$cf_ar_flags
 513                                         break
 514                                 fi
 515                         else
 516                                 CF_VERBOSE(cannot compile test-program)
 517                                 break
 518                         fi
 519                 done
 520                 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 521                 ;;
 522         esac
 523 ])
 524
 525 if test -n "$ARFLAGS" ; then
 526         if test -n "$cf_cv_ar_flags" ; then
 527                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 528         fi
 529 else
 530         ARFLAGS=$cf_cv_ar_flags
 531 fi
 532
 533 AC_SUBST(ARFLAGS)
 534 ])
 535 dnl ---------------------------------------------------------------------------
 536 dnl CF_AWK_BIG_PRINTF version: 5 updated: 2015/04/17 21:13:04
 537 dnl -----------------
 538 dnl Check if awk can handle big strings using printf.  Some older versions of
 539 dnl awk choke on large strings passed via "%s".
 540 dnl
 541 dnl $1 = desired string size
 542 dnl $2 = variable to set with result
 543 AC_DEFUN([CF_AWK_BIG_PRINTF],
 544 [
 545         case x$AWK in
 546         (x)
 547                 eval $2=no
 548                 ;;
 549         (*)
 550                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 551                         | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
 552                         eval $2=yes
 553                 else
 554                         eval $2=no
 555                 fi
 556                 ;;
 557         esac
 558 ])dnl
 559 dnl ---------------------------------------------------------------------------
 560 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 561 dnl ------------
 562 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 563 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 564 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 565 dnl
 566 dnl Treat the configuration-variable specially here, since we're directly
 567 dnl substituting its value (i.e., 1/0).
 568 dnl
 569 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 570 AC_DEFUN([CF_BOOL_DECL],
 571 [
 572 AC_MSG_CHECKING(if we should include stdbool.h)
 573
 574 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 575         AC_TRY_COMPILE([],[bool foo = false],
 576                 [cf_cv_header_stdbool_h=0],
 577                 [AC_TRY_COMPILE([
 578 #ifndef __BEOS__
 579 #include <stdbool.h>
 580 #endif
 581 ],[bool foo = false],
 582                         [cf_cv_header_stdbool_h=1],
 583                         [cf_cv_header_stdbool_h=0])])])
 584
 585 if test "$cf_cv_header_stdbool_h" = 1
 586 then    AC_MSG_RESULT(yes)
 587 else    AC_MSG_RESULT(no)
 588 fi
 589
 590 AC_MSG_CHECKING([for builtin bool type])
 591
 592 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 593         AC_TRY_COMPILE([
 594 #include <stdio.h>
 595 #include <sys/types.h>
 596 ],[bool x = false],
 597                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 598                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 599         ])
 600
 601 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 602 then    AC_MSG_RESULT(yes)
 603 else    AC_MSG_RESULT(no)
 604 fi
 605 ])dnl
 606 dnl ---------------------------------------------------------------------------
 607 dnl CF_BOOL_SIZE version: 17 updated: 2020/10/24 19:48:55
 608 dnl ------------
 609 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 610 dnl Don't bother looking for bool.h, since it's been deprecated.
 611 dnl
 612 dnl If the current compiler is C rather than C++, we get the bool definition
 613 dnl from <stdbool.h>.
 614 AC_DEFUN([CF_BOOL_SIZE],
 615 [
 616 AC_CHECK_SIZEOF(bool,,[
 617 #include <stdlib.h>
 618 #include <stdio.h>
 619
 620 #if defined(__cplusplus)
 621
 622 #ifdef HAVE_GXX_BUILTIN_H
 623 #include <g++/builtin.h>
 624 #elif HAVE_GPP_BUILTIN_H
 625 #include <gpp/builtin.h>
 626 #elif HAVE_BUILTIN_H
 627 #include <builtin.h>
 628 #endif
 629
 630 #else
 631
 632 #if $cf_cv_header_stdbool_h
 633 #include <stdbool.h>
 634 #endif
 635
 636 #endif
 637 ])
 638
 639 AC_CACHE_CHECK(for type of bool, cf_cv_type_of_bool,[
 640         rm -f cf_test.out
 641         AC_TRY_RUN([
 642 #include <stdlib.h>
 643 #include <stdio.h>
 644
 645 #if defined(__cplusplus)
 646
 647 #ifdef HAVE_GXX_BUILTIN_H
 648 #include <g++/builtin.h>
 649 #elif HAVE_GPP_BUILTIN_H
 650 #include <gpp/builtin.h>
 651 #elif HAVE_BUILTIN_H
 652 #include <builtin.h>
 653 #endif
 654
 655 #else
 656
 657 #if $cf_cv_header_stdbool_h
 658 #include <stdbool.h>
 659 #endif
 660
 661 #endif
 662
 663 int main(void)
 664 {
 665         FILE *fp = fopen("cf_test.out", "w");
 666         if (fp != 0) {
 667                 bool x = true;
 668                 if ((bool)(-x) >= 0)
 669                         fputs("unsigned ", fp);
 670                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 671                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 672                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 673                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 674                 fclose(fp);
 675         }
 676         ${cf_cv_main_return:-return}(0);
 677 }
 678                 ],
 679                 [cf_cv_type_of_bool=`cat cf_test.out`
 680                  if test -z "$cf_cv_type_of_bool"; then
 681                    cf_cv_type_of_bool=unknown
 682                  fi],
 683                 [cf_cv_type_of_bool=unknown],
 684                 [
 685                 case x$ac_cv_sizeof_bool in
 686                 (x1) cf_cv_type_of_bool="unsigned char";;
 687                 (x2) cf_cv_type_of_bool="unsigned short";;
 688                 (x4) cf_cv_type_of_bool="unsigned int";;
 689                 (x8) cf_cv_type_of_bool="unsigned long";;
 690                 (*)  cf_cv_type_of_bool=unknown;;
 691                 esac
 692                 ])
 693         rm -f cf_test.out
 694 ])
 695
 696 if test "$cf_cv_type_of_bool" = unknown ; then
 697         case .$NCURSES_BOOL in
 698         (.auto|.) NCURSES_BOOL=unsigned;;
 699         esac
 700         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 701         cf_cv_type_of_bool=$NCURSES_BOOL
 702 fi
 703 ])dnl
 704 dnl ---------------------------------------------------------------------------
 705 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
 706 dnl -----------
 707 dnl If we're cross-compiling, allow the user to override the tools and their
 708 dnl options.  The configure script is oriented toward identifying the host
 709 dnl compiler, etc., but we need a build compiler to generate parts of the
 710 dnl source.
 711 dnl
 712 dnl $1 = default for $CPPFLAGS
 713 dnl $2 = default for $LIBS
 714 AC_DEFUN([CF_BUILD_CC],[
 715 CF_ACVERSION_CHECK(2.52,,
 716         [AC_REQUIRE([CF_PROG_EXT])])
 717 if test "$cross_compiling" = yes ; then
 718
 719         # defaults that we might want to override
 720         : ${BUILD_CFLAGS:=''}
 721         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 722         : ${BUILD_LDFLAGS:=''}
 723         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 724         : ${BUILD_EXEEXT:='$x'}
 725         : ${BUILD_OBJEXT:='o'}
 726
 727         AC_ARG_WITH(build-cc,
 728                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 729                 [BUILD_CC="$withval"],
 730                 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
 731         AC_MSG_CHECKING(for native build C compiler)
 732         AC_MSG_RESULT($BUILD_CC)
 733
 734         AC_MSG_CHECKING(for native build C preprocessor)
 735         AC_ARG_WITH(build-cpp,
 736                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 737                 [BUILD_CPP="$withval"],
 738                 [BUILD_CPP='${BUILD_CC} -E'])
 739         AC_MSG_RESULT($BUILD_CPP)
 740
 741         AC_MSG_CHECKING(for native build C flags)
 742         AC_ARG_WITH(build-cflags,
 743                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 744                 [BUILD_CFLAGS="$withval"])
 745         AC_MSG_RESULT($BUILD_CFLAGS)
 746
 747         AC_MSG_CHECKING(for native build C preprocessor-flags)
 748         AC_ARG_WITH(build-cppflags,
 749                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 750                 [BUILD_CPPFLAGS="$withval"])
 751         AC_MSG_RESULT($BUILD_CPPFLAGS)
 752
 753         AC_MSG_CHECKING(for native build linker-flags)
 754         AC_ARG_WITH(build-ldflags,
 755                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 756                 [BUILD_LDFLAGS="$withval"])
 757         AC_MSG_RESULT($BUILD_LDFLAGS)
 758
 759         AC_MSG_CHECKING(for native build linker-libraries)
 760         AC_ARG_WITH(build-libs,
 761                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 762                 [BUILD_LIBS="$withval"])
 763         AC_MSG_RESULT($BUILD_LIBS)
 764
 765         # this assumes we're on Unix.
 766         BUILD_EXEEXT=
 767         BUILD_OBJEXT=o
 768
 769         : ${BUILD_CC:='${CC}'}
 770
 771         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 772                 AC_MSG_ERROR([Cross-build requires two compilers.
 773 Use --with-build-cc to specify the native compiler.])
 774         fi
 775
 776 else
 777         : ${BUILD_CC:='${CC}'}
 778         : ${BUILD_CPP:='${CPP}'}
 779         : ${BUILD_CFLAGS:='${CFLAGS}'}
 780         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 781         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 782         : ${BUILD_LIBS:='${LIBS}'}
 783         : ${BUILD_EXEEXT:='$x'}
 784         : ${BUILD_OBJEXT:='o'}
 785 fi
 786
 787 AC_SUBST(BUILD_CC)
 788 AC_SUBST(BUILD_CPP)
 789 AC_SUBST(BUILD_CFLAGS)
 790 AC_SUBST(BUILD_CPPFLAGS)
 791 AC_SUBST(BUILD_LDFLAGS)
 792 AC_SUBST(BUILD_LIBS)
 793 AC_SUBST(BUILD_EXEEXT)
 794 AC_SUBST(BUILD_OBJEXT)
 795 ])dnl
 796 dnl ---------------------------------------------------------------------------
 797 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
 798 dnl ---------------
 799 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 800 dnl into CC.  This will not help with broken scripts that wrap the compiler
 801 dnl with options, but eliminates a more common category of user confusion.
 802 dnl
 803 dnl In particular, it addresses the problem of being able to run the C
 804 dnl preprocessor in a consistent manner.
 805 dnl
 806 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
 807 dnl the nuisance of having inconsistent settings for compiler and preprocessor
 808 dnl outweighs that limitation.
 809 AC_DEFUN([CF_CC_ENV_FLAGS],
 810 [
 811 # This should have been defined by AC_PROG_CC
 812 : ${CC:=cc}
 813
 814 AC_MSG_CHECKING(\$CFLAGS variable)
 815 case "x$CFLAGS" in
 816 (*-[[IUD]]*)
 817         AC_MSG_RESULT(broken)
 818         AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
 819         cf_flags="$CFLAGS"
 820         CFLAGS=
 821         for cf_arg in $cf_flags
 822         do
 823                 CF_ADD_CFLAGS($cf_arg)
 824         done
 825         ;;
 826 (*)
 827         AC_MSG_RESULT(ok)
 828         ;;
 829 esac
 830
 831 AC_MSG_CHECKING(\$CC variable)
 832 case "$CC" in
 833 (*[[\ \ ]]-*)
 834         AC_MSG_RESULT(broken)
 835         AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
 836         # humor him...
 837         cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
 838         cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
 839         CC="$cf_prog"
 840         for cf_arg in $cf_flags
 841         do
 842                 case "x$cf_arg" in
 843                 (x-[[IUDfgOW]]*)
 844                         CF_ADD_CFLAGS($cf_arg)
 845                         ;;
 846                 (*)
 847                         CC="$CC $cf_arg"
 848                         ;;
 849                 esac
 850         done
 851         CF_VERBOSE(resulting CC: '$CC')
 852         CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
 853         CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
 854         ;;
 855 (*)
 856         AC_MSG_RESULT(ok)
 857         ;;
 858 esac
 859 ])dnl
 860 dnl ---------------------------------------------------------------------------
 861 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 862 dnl ---------------
 863 dnl Determine the default configuration into which we'll install ncurses.  This
 864 dnl can be overridden by the user's command-line options.  There's two items to
 865 dnl look for:
 866 dnl     1. the prefix (e.g., /usr)
 867 dnl     2. the header files (e.g., /usr/include/ncurses)
 868 dnl We'll look for a previous installation of ncurses and use the same defaults.
 869 dnl
 870 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 871 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 872 dnl programs from a vendor's.
 873 AC_DEFUN([CF_CFG_DEFAULTS],
 874 [
 875 AC_MSG_CHECKING(for prefix)
 876 if test "x$prefix" = "xNONE" ; then
 877         case "$cf_cv_system_name" in
 878                 # non-vendor systems don't have a conflict
 879         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 880                 prefix=/usr
 881                 ;;
 882         (*)     prefix=$ac_default_prefix
 883                 ;;
 884         esac
 885 fi
 886 AC_MSG_RESULT($prefix)
 887
 888 if test "x$prefix" = "xNONE" ; then
 889 AC_MSG_CHECKING(for default include-directory)
 890 test -n "$verbose" && echo 1>&AC_FD_MSG
 891 for cf_symbol in \
 892         $includedir \
 893         $includedir/ncurses \
 894         $prefix/include \
 895         $prefix/include/ncurses \
 896         /usr/local/include \
 897         /usr/local/include/ncurses \
 898         /usr/include \
 899         /usr/include/ncurses
 900 do
 901         cf_dir=`eval echo $cf_symbol`
 902         if test -f $cf_dir/curses.h ; then
 903         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 904                 includedir="$cf_symbol"
 905                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 906                 break
 907         fi
 908         fi
 909         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 910 done
 911 AC_MSG_RESULT($includedir)
 912 fi
 913 ])dnl
 914 dnl ---------------------------------------------------------------------------
 915 dnl CF_CGETENT version: 6 updated: 2017/01/21 11:06:25
 916 dnl ----------
 917 dnl Check if the terminal-capability database functions are available.  If not,
 918 dnl ncurses has a much-reduced version.
 919 AC_DEFUN([CF_CGETENT],[
 920 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 921 AC_TRY_LINK([
 922 #include <stdlib.h>],[
 923         char temp[128];
 924         char *buf = temp;
 925         char *db_array = temp;
 926         cgetent(&buf, &db_array, "vt100");
 927         cgetcap(buf, "tc", '=');
 928         cgetmatch(buf, "tc");
 929         ],
 930         [cf_cv_cgetent=yes],
 931         [cf_cv_cgetent=no])
 932 ])
 933
 934 if test "$cf_cv_cgetent" = yes
 935 then
 936         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
 937 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 938 AC_TRY_LINK([
 939 #pragma GCC diagnostic error "-Wincompatible-pointer-types-discards-qualifiers"
 940 #include <stdlib.h>],[
 941         char temp[128];
 942         char *buf = temp;
 943 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 944         const char *db_array = temp;
 945         cgetent(&buf, &db_array, "vt100");
 946 #endif
 947         cgetcap(buf, "tc", '=');
 948         cgetmatch(buf, "tc");
 949         ],
 950         [cf_cv_cgetent_const=yes],
 951         [cf_cv_cgetent_const=no])
 952 ])
 953         if test "$cf_cv_cgetent_const" = yes
 954         then
 955                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
 956         fi
 957 fi
 958 ])dnl
 959 dnl ---------------------------------------------------------------------------
 960 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 961 dnl --------------
 962 dnl Check if we're accidentally using a cache from a different machine.
 963 dnl Derive the system name, as a check for reusing the autoconf cache.
 964 dnl
 965 dnl If we've packaged config.guess and config.sub, run that (since it does a
 966 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 967 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 968 dnl which is useful in cross-compiles.
 969 dnl
 970 dnl Note: we would use $ac_config_sub, but that is one of the places where
 971 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 972 AC_DEFUN([CF_CHECK_CACHE],
 973 [
 974 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 975         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 976         system_name="$host_os"
 977 else
 978         system_name="`(uname -s -r) 2>/dev/null`"
 979         if test -z "$system_name" ; then
 980                 system_name="`(hostname) 2>/dev/null`"
 981         fi
 982 fi
 983 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 984 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 985
 986 test -z "$system_name" && system_name="$cf_cv_system_name"
 987 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 988
 989 if test ".$system_name" != ".$cf_cv_system_name" ; then
 990         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 991         AC_MSG_ERROR("Please remove config.cache and try again.")
 992 fi
 993 ])dnl
 994 dnl ---------------------------------------------------------------------------
 995 dnl CF_CHECK_ENVIRON version: 3 updated: 2010/05/26 16:44:57
 996 dnl ----------------
 997 dnl Check for data that is usually declared in <unistd.h>, e.g., the 'environ'
 998 dnl variable.  Define a DECL_xxx symbol if we must declare it ourselves.
 999 dnl
1000 dnl $1 = the name to check
1001 dnl $2 = the assumed type
1002 AC_DEFUN([CF_CHECK_ENVIRON],
1003 [
1004 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
1005     AC_TRY_COMPILE([
1006 #ifdef HAVE_STDLIB_H
1007 #include <stdlib.h>
1008 #endif
1009 #include <unistd.h> ],
1010     ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
1011     [cf_cv_dcl_$1=yes],
1012     [cf_cv_dcl_$1=no])
1013 ])
1014
1015 if test "$cf_cv_dcl_$1" = no ; then
1016     CF_UPPER(cf_result,decl_$1)
1017     AC_DEFINE_UNQUOTED($cf_result)
1018 fi
1019
1020 # It's possible (for near-UNIX clones) that the data doesn't exist
1021 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
1022 ])dnl
1023 dnl ---------------------------------------------------------------------------
1024 dnl CF_CHECK_ERRNO version: 13 updated: 2020/03/10 18:53:47
1025 dnl --------------
1026 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
1027 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
1028 dnl ourselves.
1029 dnl
1030 dnl $1 = the name to check
1031 dnl $2 = the assumed type
1032 AC_DEFUN([CF_CHECK_ERRNO],
1033 [
1034 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
1035         AC_TRY_COMPILE([
1036 #ifdef HAVE_STDLIB_H
1037 #include <stdlib.h>
1038 #endif
1039 #include <stdio.h>
1040 #include <sys/types.h>
1041 #include <errno.h> ],
1042         ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x,
1043         [cf_cv_dcl_$1=yes],
1044         [cf_cv_dcl_$1=no])
1045 ])
1046
1047 if test "$cf_cv_dcl_$1" = no ; then
1048         CF_UPPER(cf_result,decl_$1)
1049         AC_DEFINE_UNQUOTED($cf_result)
1050 fi
1051
1052 # It's possible (for near-UNIX clones) that the data doesn't exist
1053 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
1054 ])dnl
1055 dnl ---------------------------------------------------------------------------
1056 dnl CF_CHECK_EXTERN_DATA version: 4 updated: 2015/04/18 08:56:57
1057 dnl --------------------
1058 dnl Check for existence of external data in the current set of libraries.  If
1059 dnl we can modify it, it's real enough.
1060 dnl $1 = the name to check
1061 dnl $2 = its type
1062 AC_DEFUN([CF_CHECK_EXTERN_DATA],
1063 [
1064 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
1065         AC_TRY_LINK([
1066 #undef $1
1067 extern $2 $1;
1068 ],
1069         [$1 = 2],
1070         [cf_cv_have_$1=yes],
1071         [cf_cv_have_$1=no])
1072 ])
1073
1074 if test "$cf_cv_have_$1" = yes ; then
1075         CF_UPPER(cf_result,have_$1)
1076         AC_DEFINE_UNQUOTED($cf_result)
1077 fi
1078
1079 ])dnl
1080 dnl ---------------------------------------------------------------------------
1081 dnl CF_CHECK_FVISIBILITY version: 2 updated: 2020/04/04 16:16:13
1082 dnl --------------------
1083 dnl Check whether the compiler understands -fvisibility=hidden
1084 dnl
1085 dnl $1 = compiler
1086 dnl $2 = compiler-flags variable name
1087 dnl $3 = cache variable to set
1088 AC_DEFUN([CF_CHECK_FVISIBILITY],[
1089 AC_CACHE_CHECK(if $1 -fvisibility=hidden option works,$3,[
1090     cf_save_cflags="[$]$2"
1091     $2="[$]$2 -fvisibility=hidden"
1092     AC_TRY_LINK([
1093 __attribute__ ((visibility("default"))) int somefunc() {return 42;}
1094         ],[
1095         if (somefunc()) return 1;
1096 ],
1097     [$3=yes],
1098     [$3=no])
1099     $2=$cf_save_cflags
1100 ])
1101 ])dnl
1102 dnl ---------------------------------------------------------------------------
1103 dnl CF_CHECK_GETENV version: 1 updated: 2019/06/23 15:28:15
1104 dnl ---------------
1105 dnl Check if repeated getenv calls return the same pointer, e.g., it does not
1106 dnl discard the previous pointer when returning a new one.
1107 AC_DEFUN([CF_CHECK_GETENV],
1108 [
1109 AC_REQUIRE([CF_CHECK_ENVIRON])
1110 AC_CHECK_FUNC( getenv, ,, AC_MSG_ERROR(getenv not found) )
1111 AC_CHECK_FUNCS( putenv setenv strdup )
1112 AC_CACHE_CHECK(if getenv returns consistent values,cf_cv_consistent_getenv,[
1113 AC_TRY_RUN([
1114 #include <stdlib.h>
1115 #include <unistd.h>
1116 #include <stdio.h>
1117 #include <string.h>
1118 #include <sys/types.h>
1119
1120 #if defined(HAVE_ENVIRON) && defined(DECL_ENVIRON) && !defined(environ)
1121 extern char **environ;  /* POSIX, but some systems are not... */
1122 #endif
1123
1124 #if defined(HAVE_STRDUP)
1125 #define str_alloc(s) strdup(s)
1126 #else
1127 #define str_alloc(s) strcpy(malloc(strlen(s) + 1, s))
1128 #endif
1129
1130 static void set_value(const char *name, const char *value)
1131 {
1132 #if defined(HAVE_SETENV)
1133         setenv(name, value, 1);
1134 #elif defined(HAVE_PUTENV)
1135         char buffer[1024];
1136         sprintf(buffer, "%s=%s", name, value);
1137         putenv(str_alloc(buffer));
1138 #else
1139 #error neither putenv/setenv found
1140 #endif
1141 }
1142 int main(void)
1143 {
1144         int pass;
1145         size_t numenv, limit, j;
1146         char **mynames;
1147         char **myvalues;
1148         char **mypointer;
1149         char *equals;
1150         for (numenv = 0; environ[numenv]; ++numenv) ;
1151         limit = numenv + 10;
1152         mynames = (char **) calloc(limit + 1, sizeof(char *));
1153         myvalues = (char **) calloc(limit + 1, sizeof(char *));
1154         mypointer = (char **) calloc(limit + 1, sizeof(char *));
1155 #if defined(HAVE_ENVIRON)
1156         for (j = 0; environ[j]; ++j) {
1157                 mynames[j] = str_alloc(environ[j]);
1158                 equals = strchr(mynames[j], '=');
1159                 if (equals != 0) {
1160                         *equals++ = '\0';
1161                         myvalues[j] = str_alloc(equals);
1162                 } else {
1163                         myvalues[j] = str_alloc("");
1164                 }
1165         }
1166 #endif
1167         for (j = numenv; j < limit; ++j) {
1168                 char name[80];
1169                 char value[80];
1170                 size_t found;
1171                 size_t k = 0;
1172                 do {
1173                         size_t jk;
1174                         found = 0;
1175                         sprintf(name, "TERM%lu", (unsigned long) k);
1176                         for (jk = 0; jk < j; ++jk) {
1177                                 if (!strcmp(name, mynames[jk])) {
1178                                         found = 1;
1179                                         ++k;
1180                                         break;
1181                                 }
1182                         }
1183                 } while (found);
1184                 sprintf(value, "%lu:%p", (unsigned long) k, &mynames[j]);
1185                 set_value(name, value);
1186                 mynames[j] = str_alloc(name);
1187                 myvalues[j] = str_alloc(value);
1188         }
1189         for (pass = 0; pass < 3; ++pass) {
1190                 for (j = 0; j < limit; ++j) {
1191                         char *value = getenv(mynames[j]);
1192                         if (pass) {
1193                                 if (value == 0) {
1194                                         fprintf(stderr, "getenv returned null for %s\n", mynames[j]);
1195                                         ${cf_cv_main_return:-return}(1);
1196                                 } else if (value != mypointer[j]) {
1197                                         fprintf(stderr, "getenv returned different pointer for %s\n", mynames[j]);
1198                                         ${cf_cv_main_return:-return}(1);
1199                                 } else if (strcmp(value, myvalues[j])) {
1200                                         fprintf(stderr, "getenv returned different value for %s\n", mynames[j]);
1201                                         ${cf_cv_main_return:-return}(1);
1202                                 }
1203                         } else {
1204                                 size_t k;
1205                                 mypointer[j] = value;
1206                                 for (k = 0; k < j; ++k) {
1207                                         if (mypointer[j] == mypointer[k]) {
1208                                                 fprintf(stderr, "getenv returned same pointer for %s and %s\n", mynames[j], mynames[k]);
1209                                                 ${cf_cv_main_return:-return}(1);
1210                                         }
1211                                 }
1212                         }
1213                 }
1214         }
1215         ${cf_cv_main_return:-return}(0);
1216 }
1217 ],
1218 [cf_cv_consistent_getenv=yes],
1219 [cf_cv_consistent_getenv=no],
1220 [cf_cv_consistent_getenv=unknown])
1221 ])
1222
1223 if test "x$cf_cv_consistent_getenv" = xno
1224 then
1225         AC_DEFINE(HAVE_CONSISTENT_GETENV,1,[Define to 1 if getenv repeatably returns the same value for a given name])
1226 fi
1227 ])dnl
1228 dnl ---------------------------------------------------------------------------
1229 dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36
1230 dnl ---------------------
1231 AC_DEFUN([CF_CHECK_GNAT_VERSION],
1232 [
1233 AC_REQUIRE([CF_GNAT_VERSION])
1234 case $cf_cv_gnat_version in
1235 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1236         cf_cv_prog_gnat_correct=yes
1237         ;;
1238 (*)
1239         AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1240         cf_cv_prog_gnat_correct=no
1241         ;;
1242 esac
1243 ])
1244 dnl ---------------------------------------------------------------------------
1245 dnl CF_CHECK_GPM_WGETCH version: 3 updated: 2017/01/21 11:06:25
1246 dnl -------------------
1247 dnl Check if GPM is already linked with curses.  If so - and if the linkage
1248 dnl is not "weak" - warn about this because it can create problems linking
1249 dnl applications with ncurses.
1250 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
1251 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
1252
1253 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
1254 cf_cv_check_gpm_wgetch=unknown
1255 if test "$cross_compiling" != yes ; then
1256
1257 cat >conftest.$ac_ext <<CF_EOF
1258 #include <gpm.h>
1259 int main(void)
1260 {
1261         Gpm_Wgetch();
1262         ${cf_cv_main_return:-return}(0);
1263 }
1264 CF_EOF
1265
1266         cf_save_LIBS="$LIBS"
1267         # This only works if we can look at the symbol table.  If a shared
1268         # library is stripped for install, we cannot use that.  So we're forced
1269         # to rely on the static library, noting that some packagers may not
1270         # include it.
1271         LIBS="-static -lgpm -dynamic $LIBS"
1272         if AC_TRY_EVAL(ac_compile) ; then
1273                 if AC_TRY_EVAL(ac_link) ; then
1274                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
1275                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
1276                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
1277                 fi
1278         fi
1279         rm -rf conftest*
1280         LIBS="$cf_save_LIBS"
1281 fi
1282 ])
1283
1284 if test "$cf_cv_check_gpm_wgetch" != yes ; then
1285         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
1286 fi
1287 ])])dnl
1288 dnl ---------------------------------------------------------------------------
1289 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
1290 dnl ------------------------
1291 dnl Show the version of libtool
1292 dnl
1293 dnl Save the version in a cache variable - this is not entirely a good thing,
1294 dnl but the version string from libtool is very ugly, and for bug reports it
1295 dnl might be useful to have the original string.
1296 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
1297 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
1298 then
1299         AC_MSG_CHECKING(version of $LIBTOOL)
1300         CF_LIBTOOL_VERSION
1301         AC_MSG_RESULT($cf_cv_libtool_version)
1302         if test -z "$cf_cv_libtool_version" ; then
1303                 AC_MSG_ERROR(This is not GNU libtool)
1304         fi
1305 else
1306         AC_MSG_ERROR(GNU libtool has not been found)
1307 fi
1308 ])dnl
1309 dnl ---------------------------------------------------------------------------
1310 dnl CF_CHECK_WCHAR_H version: 2 updated: 2017/01/21 11:06:25
1311 dnl ----------------
1312 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
1313 AC_DEFUN([CF_CHECK_WCHAR_H],[
1314 AC_CHECK_HEADERS( \
1315 wchar.h \
1316 wctype.h \
1317 )
1318 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
1319 AC_TRY_COMPILE(
1320 [
1321 #include <stdlib.h>
1322 #ifdef HAVE_WCHAR_H
1323 #include <wchar.h>
1324 #endif
1325 #ifdef HAVE_WCTYPE_H
1326 #include <wctype.h>
1327 #endif
1328 ],[
1329         wint_t foo = 0;
1330         int bar = iswpunct(foo)],
1331         [cf_cv_wchar_h_okay=yes],
1332         [cf_cv_wchar_h_okay=no])])
1333
1334 if test $cf_cv_wchar_h_okay = no
1335 then
1336         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
1337 fi
1338 ])dnl
1339 dnl ---------------------------------------------------------------------------
1340 dnl CF_CHECK_WCWIDTH_GRAPHICS version: 1 updated: 2015/12/19 17:47:56
1341 dnl -------------------------
1342 dnl Most "modern" terminal emulators are based to some degree on VT100, and
1343 dnl should support line-drawing.  Even with Unicode.  There is a problem.
1344 dnl
1345 dnl While most of the VT100 graphics characters were incorporated into Unicode,
1346 dnl all of those were combined into a page of useful graphics characters.
1347 dnl
1348 dnl So far, so good.
1349 dnl
1350 dnl However, while they are useful, there are other considerations.  CJK
1351 dnl is (because of poor device resolution) often rendered as double-width
1352 dnl characters.  So... for these generally-useful characters, what should
1353 dnl be the width (to make them consistent with adjacent characters)?
1354 dnl
1355 dnl The obvious choice would have been to make this locale-dependent, and use
1356 dnl wcwidth() to tell applications what the actual width is.  That was too
1357 dnl obvious.  Instead, we have a slew of "ambiguous-width" characters.
1358 dnl See for example
1359 dnl             http://www.unicode.org/reports/tr11/tr11-29.html
1360 dnl             http://www.cl.cam.ac.uk/~mgk25/ucs/scw-proposal.html
1361 dnl
1362 dnl The EastAsianWidth-6.2.0.txt file from the Unicode organization lists
1363 dnl more than 22,000 characters, with 1281 of those as ambiguous-width.  For
1364 dnl instance, it lists half (44/96) of the Latin-1 characters as
1365 dnl ambiguous-width.  Also, all of the box-characters at 0x2500 are ambiguous.
1366 dnl
1367 dnl What this means for the implementor is that on some systems wcwidth() can
1368 dnl give bad advice.  On Solaris, some of the ambiguous widths are returned as
1369 dnl 1 (the Latin-1 characters), while others are returned as 2 (line-drawing
1370 dnl characters).  These do not necessarily match the behavior of the terminal
1371 dnl emulator.  xterm, for instance, does an optional startup check to find if
1372 dnl this problem (or similar) exists with the system's locale tables, rejecting
1373 dnl them if they are too unreliable.
1374 AC_DEFUN([CF_CHECK_WCWIDTH_GRAPHICS],[
1375 AC_CACHE_CHECK(if wcwidth agrees graphics are single-width, cf_cv_wcwidth_graphics,[
1376 cat >conftest.in <<CF_EOF
1377 -       VT100 symbols
1378 0x250c  upper left corner
1379 0x2514  lower left corner
1380 0x2510  upper right corner
1381 0x2518  lower right corner
1382 0x251c  tee pointing left
1383 0x2524  tee pointing right
1384 0x2534  tee pointing up
1385 0x252c  tee pointing down
1386 0x2500  horizontal line
1387 0x2502  vertical line
1388 0x253c  large plus or crossover
1389 0x23ba  scan line 1
1390 0x23bd  scan line 9
1391 0x25c6  diamond
1392 0x2592  checker board (stipple)
1393 0x00b0  degree symbol
1394 0x00b1  plus/minus
1395 0x00b7  bullet
1396 -       Teletype 5410v1 symbols
1397 0x2190  arrow pointing left
1398 0x2192  arrow pointing right
1399 0x2193  arrow pointing down
1400 0x2191  arrow pointing up
1401 0x2592  board of squares
1402 0x2603  lantern symbol
1403 0x25ae  solid square block
1404 -       these defaults were invented for ncurses
1405 0x23bb  scan line 3
1406 0x23bc  scan line 7
1407 0x2264  less-than-or-equal-to
1408 0x2265  greater-than-or-equal-to
1409 0x03c0  greek pi
1410 0x2260  not-equal
1411 0x00a3  pound-sterling symbol
1412 -       thick-line-drawing
1413 0x250f  upper left corner
1414 0x2517  lower left corner
1415 0x2513  upper right corner
1416 0x251b  lower right corner
1417 0x2523  tee pointing left
1418 0x252b  tee pointing right
1419 0x253b  tee pointing up
1420 0x2533  tee pointing down
1421 0x2501  horizontal line
1422 0x2503  vertical line
1423 0x254b  large plus or crossover
1424 -       double-line-drawing
1425 0x2554  upper left corner
1426 0x255a  lower left corner
1427 0x2557  upper right corner
1428 0x255d  lower right corner
1429 0x2563  tee pointing left
1430 0x2560  tee pointing right
1431 0x2569  tee pointing up
1432 0x2566  tee pointing down
1433 0x2550  horizontal line
1434 0x2551  vertical line
1435 0x256c  large plus or crossover
1436 CF_EOF
1437 AC_TRY_RUN([
1438 #include <locale.h>
1439 #include <stdio.h>
1440 #include <wchar.h>
1441
1442 #define MY_LEN 80
1443
1444 int
1445 main(void)
1446 {
1447         FILE *fp;
1448         int value;
1449         char buffer[MY_LEN + 1];
1450         char notes[MY_LEN + 1];
1451         int totals = 0;
1452         int passed = 0;
1453
1454         if (setlocale(LC_ALL, "en_US.UTF8") ||
1455                 setlocale(LC_ALL, "en_US.UTF-8") ||
1456                 setlocale(LC_ALL, "en_US.utf8") ||
1457                 setlocale(LC_ALL, "en_US.utf-8")) {
1458                 if ((fp = fopen("conftest.in", "r")) != 0) {
1459                         while (fgets(buffer, MY_LEN, fp) != 0) {
1460                                 if (*buffer == '-') {
1461                                         fprintf(stderr, "\t%s", buffer);
1462                                 } else if (sscanf(buffer, "%x %s", &value, notes) == 2) {
1463                                         ++totals;
1464                                         if (wcwidth(value) == 1)
1465                                                 ++passed;
1466                                         fprintf(stderr, "%d\t%s", wcwidth(value), buffer);
1467                                 } else {
1468                                         fprintf(stderr, "?\t%s", buffer);
1469                                 }
1470                         }
1471                 }
1472         }
1473         fprintf(stderr, "%d/%d passed wcwidth/graphics check\n", passed, totals);
1474         return (totals == passed) ? 0 : 1;
1475 }
1476 ],
1477 [cf_cv_wcwidth_graphics=yes],
1478 [cf_cv_wcwidth_graphics=no],
1479 [cf_cv_wcwidth_graphics=unknown])
1480 ])
1481 ])dnl
1482 dnl ---------------------------------------------------------------------------
1483 dnl CF_CLANG_COMPILER version: 6 updated: 2020/11/26 17:37:55
1484 dnl -----------------
1485 dnl Check if the given compiler is really clang.  clang's C driver defines
1486 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1487 dnl not ignore some gcc options.
1488 dnl
1489 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1490 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1491 dnl the wrappers for gcc and g++ warnings.
1492 dnl
1493 dnl $1 = GCC (default) or GXX
1494 dnl $2 = CLANG_COMPILER (default)
1495 dnl $3 = CFLAGS (default) or CXXFLAGS
1496 AC_DEFUN([CF_CLANG_COMPILER],[
1497 ifelse([$2],,CLANG_COMPILER,[$2])=no
1498
1499 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1500         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1501         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1502         AC_TRY_COMPILE([],[
1503 #ifdef __clang__
1504 #else
1505 make an error
1506 #endif
1507 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1508 ],[])
1509         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1510         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1511 fi
1512
1513 CLANG_VERSION=none
1514
1515 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
1516         case "$CC" in
1517         (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
1518                 AC_MSG_WARN(replacing broken compiler alias $CC)
1519                 CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
1520                 CC=clang
1521                 ;;
1522         esac
1523
1524         AC_MSG_CHECKING(version of $CC)
1525         CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1526         test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
1527         AC_MSG_RESULT($CLANG_VERSION)
1528
1529         for cf_clang_opt in \
1530                 -Qunused-arguments \
1531                 -Wno-error=implicit-function-declaration
1532         do
1533                 AC_MSG_CHECKING(if option $cf_clang_opt works)
1534                 cf_save_CFLAGS="$CFLAGS"
1535                 CFLAGS="$CFLAGS $cf_clang_opt"
1536                 AC_TRY_LINK([
1537                         #include <stdio.h>],[
1538                         printf("hello!\n");],[
1539                         cf_clang_optok=yes],[
1540                         cf_clang_optok=no])
1541                 AC_MSG_RESULT($cf_clang_optok)
1542                 CFLAGS="$cf_save_CFLAGS"
1543                 if test $cf_clang_optok = yes; then
1544                         CF_VERBOSE(adding option $cf_clang_opt)
1545                         CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
1546                 fi
1547         done
1548 fi
1549 ])
1550 dnl ---------------------------------------------------------------------------
1551 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
1552 dnl -----------------
1553 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
1554 dnl character-strings.
1555 dnl
1556 dnl It is ambiguous because the specification accommodated the pre-ANSI
1557 dnl compilers bundled by more than one vendor in lieu of providing a standard C
1558 dnl compiler other than by costly add-ons.  Because of this, the specification
1559 dnl did not take into account the use of const for telling the compiler that
1560 dnl string literals would be in readonly memory.
1561 dnl
1562 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
1563 dnl let the compiler decide how to represent Xt's strings which were #define'd.
1564 dnl That does not solve the problem of using the block of Xt's strings which
1565 dnl are compiled into the library (and is less efficient than one might want).
1566 dnl
1567 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
1568 dnl when compiling the library and compiling using the library, to tell the
1569 dnl compiler that String is const.
1570 AC_DEFUN([CF_CONST_X_STRING],
1571 [
1572 AC_REQUIRE([AC_PATH_XTRA])
1573
1574 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
1575
1576 AC_TRY_COMPILE(
1577 [
1578 #include <stdlib.h>
1579 #include <X11/Intrinsic.h>
1580 ],
1581 [String foo = malloc(1); (void)foo],[
1582
1583 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
1584         AC_TRY_COMPILE(
1585                 [
1586 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
1587 #undef  XTSTRINGDEFINES /* X11R5 and later */
1588 #include <stdlib.h>
1589 #include <X11/Intrinsic.h>
1590                 ],[String foo = malloc(1); *foo = 0],[
1591                         cf_cv_const_x_string=no
1592                 ],[
1593                         cf_cv_const_x_string=yes
1594                 ])
1595 ])
1596
1597 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
1598
1599 case $cf_cv_const_x_string in
1600 (no)
1601         CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1602         ;;
1603 (*)
1604         CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
1605         ;;
1606 esac
1607
1608 ])
1609 ])dnl
1610 dnl ---------------------------------------------------------------------------
1611 dnl CF_CPP_PARAM_INIT version: 7 updated: 2017/01/21 11:06:25
1612 dnl -----------------
1613 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1614 dnl is a late feature for the standard and is not in some recent compilers
1615 dnl (1999/9/11).
1616 AC_DEFUN([CF_CPP_PARAM_INIT],
1617 [
1618 if test -n "$CXX"; then
1619 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1620         AC_LANG_SAVE
1621         AC_LANG_CPLUSPLUS
1622         AC_TRY_RUN([
1623 class TEST {
1624 private:
1625         int value;
1626 public:
1627         TEST(int x = 1);
1628         ~TEST();
1629 };
1630
1631 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1632 {
1633         value = x;
1634 }
1635 int main(void) { }
1636 ],
1637         [cf_cv_cpp_param_init=yes],
1638         [cf_cv_cpp_param_init=no],
1639         [cf_cv_cpp_param_init=unknown])
1640         AC_LANG_RESTORE
1641 ])
1642 fi
1643 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1644 ])dnl
1645 dnl ---------------------------------------------------------------------------
1646 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1647 dnl ------------------
1648 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1649 dnl not be supported in g++ before 3.0
1650 AC_DEFUN([CF_CPP_STATIC_CAST],
1651 [
1652 if test -n "$CXX"; then
1653
1654 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1655         AC_LANG_SAVE
1656         AC_LANG_CPLUSPLUS
1657
1658         AC_TRY_COMPILE([
1659 class NCursesPanel
1660 {
1661 public:
1662   NCursesPanel(int nlines,
1663                int ncols,
1664                int begin_y = 0,
1665                int begin_x = 0)
1666   {
1667   }
1668   NCursesPanel();
1669   ~NCursesPanel();
1670 };
1671
1672 template<class T> class NCursesUserPanel : public NCursesPanel
1673 {
1674 public:
1675   NCursesUserPanel (int nlines,
1676                     int ncols,
1677                     int begin_y = 0,
1678                     int begin_x = 0,
1679                     const T* p_UserData = static_cast<T*>(0))
1680     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1681   {
1682   };
1683   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1684   {
1685   };
1686
1687   virtual ~NCursesUserPanel() {};
1688 };
1689 ],[
1690         const char* p_UserData = static_cast<char*>(0)],
1691         [cf_cv_cpp_static_cast=yes],
1692         [cf_cv_cpp_static_cast=no])
1693
1694         AC_LANG_RESTORE
1695 ])
1696
1697 fi
1698
1699 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1700 ])dnl
1701 dnl ---------------------------------------------------------------------------
1702 dnl CF_CXX_AR_FLAGS version: 2 updated: 2015/04/17 21:13:04
1703 dnl ---------------
1704 dnl Setup special archiver flags for given compilers.
1705 AC_DEFUN([CF_CXX_AR_FLAGS],[
1706         CXX_AR='$(AR)'
1707         CXX_ARFLAGS='$(ARFLAGS)'
1708         case $cf_cv_system_name in
1709         (irix*)
1710             if test "$GXX" != yes ; then
1711                 CXX_AR='$(CXX)'
1712                 CXX_ARFLAGS='-ar -o'
1713             fi
1714             ;;
1715         (sco3.2v5*)
1716             CXXLDFLAGS="-u main"
1717             ;;
1718         (solaris2*)
1719             if test "$GXX" != yes ; then
1720                 CXX_AR='$(CXX)'
1721                 CXX_ARFLAGS='-xar -o'
1722             fi
1723             ;;
1724         esac
1725         AC_SUBST(CXXLDFLAGS)
1726         AC_SUBST(CXX_AR)
1727         AC_SUBST(CXX_ARFLAGS)
1728 ])dnl
1729 dnl ---------------------------------------------------------------------------
1730 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1731 dnl -------------------------
1732 dnl For c++, check if iostream uses "std::" namespace.
1733 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1734 AC_CHECK_HEADERS(iostream)
1735 if test x"$ac_cv_header_iostream" = xyes ; then
1736         AC_MSG_CHECKING(if iostream uses std-namespace)
1737         AC_TRY_COMPILE([
1738 #include <iostream>
1739 using std::endl;
1740 using std::cerr;],[
1741 cerr << "testing" << endl;
1742 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1743         AC_MSG_RESULT($cf_iostream_namespace)
1744         if test "$cf_iostream_namespace" = yes ; then
1745                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1746         fi
1747 fi
1748 ])dnl
1749 dnl ---------------------------------------------------------------------------
1750 dnl CF_C_INLINE version: 6 updated: 2019/09/07 13:38:36
1751 dnl -----------
1752 dnl Check if the C compiler supports "inline".
1753 dnl $1 is the name of a shell variable to set if inline is supported
1754 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1755 AC_DEFUN([CF_C_INLINE],[
1756 AC_REQUIRE([CF_GCC_VERSION])
1757 AC_C_INLINE
1758 $1=
1759 if test "$ac_cv_c_inline" != no ; then
1760         $1=inline
1761         if test "$INTEL_COMPILER" = yes
1762         then
1763                 :
1764         elif test "$CLANG_COMPILER" = yes
1765         then
1766                 :
1767         elif test "$GCC" = yes
1768         then
1769                 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1770                 cf_save_CFLAGS=$CFLAGS
1771                 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1772                 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1773                 [${cf_cv_main_return:-return} foo()],
1774                 [cf_cv_gcc_inline=yes],
1775                 [cf_cv_gcc_inline=no])
1776                 CFLAGS=$cf_save_CFLAGS
1777                 ])
1778                 if test "$cf_cv_gcc_inline" = yes ; then
1779                         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1780                 fi
1781         fi
1782 fi
1783 AC_SUBST($1)
1784 ])dnl
1785 dnl ---------------------------------------------------------------------------
1786 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1787 dnl ----------
1788 dnl "dirname" is not portable, so we fake it with a shell script.
1789 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1790 dnl ---------------------------------------------------------------------------
1791 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1792 dnl ---------------
1793 AC_DEFUN([CF_DIRS_TO_MAKE],
1794 [
1795 DIRS_TO_MAKE="lib"
1796 for cf_item in $cf_list_models
1797 do
1798         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1799         for cf_item2 in $DIRS_TO_MAKE
1800         do
1801                 test $cf_item2 = $cf_subdir && break
1802         done
1803         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1804 done
1805 for cf_dir in $DIRS_TO_MAKE
1806 do
1807         test ! -d $cf_dir && mkdir $cf_dir
1808 done
1809 AC_SUBST(DIRS_TO_MAKE)
1810 ])dnl
1811 dnl ---------------------------------------------------------------------------
1812 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1813 dnl ---------------
1814 dnl You can always use "make -n" to see the actual options, but it's hard to
1815 dnl pick out/analyze warning messages when the compile-line is long.
1816 dnl
1817 dnl Sets:
1818 dnl     ECHO_LT - symbol to control if libtool is verbose
1819 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1820 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1821 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1822 dnl     ECHO_CC - symbol to put before any "cc" line
1823 dnl
1824 AC_DEFUN([CF_DISABLE_ECHO],[
1825 AC_MSG_CHECKING(if you want to see long compiling messages)
1826 CF_ARG_DISABLE(echo,
1827         [  --disable-echo          do not display "compiling" commands],
1828         [
1829         ECHO_LT='--silent'
1830         ECHO_LD='@echo linking [$]@;'
1831         RULE_CC='@echo compiling [$]<'
1832         SHOW_CC='@echo compiling [$]@'
1833         ECHO_CC='@'
1834 ],[
1835         ECHO_LT=''
1836         ECHO_LD=''
1837         RULE_CC=''
1838         SHOW_CC=''
1839         ECHO_CC=''
1840 ])
1841 AC_MSG_RESULT($enableval)
1842 AC_SUBST(ECHO_LT)
1843 AC_SUBST(ECHO_LD)
1844 AC_SUBST(RULE_CC)
1845 AC_SUBST(SHOW_CC)
1846 AC_SUBST(ECHO_CC)
1847 ])dnl
1848 dnl ---------------------------------------------------------------------------
1849 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1850 dnl ------------------------
1851 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1852 AC_MSG_CHECKING(if we want to use GNAT projects)
1853 CF_ARG_DISABLE(gnat-projects,
1854         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1855         [enable_gnat_projects=no],
1856         [enable_gnat_projects=yes])
1857 AC_MSG_RESULT($enable_gnat_projects)
1858 ])dnl
1859 dnl ---------------------------------------------------------------------------
1860 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1861 dnl ----------------
1862 dnl Combine no-leak checks with the libraries or tools that are used for the
1863 dnl checks.
1864 AC_DEFUN([CF_DISABLE_LEAKS],[
1865
1866 AC_REQUIRE([CF_WITH_DMALLOC])
1867 AC_REQUIRE([CF_WITH_DBMALLOC])
1868 AC_REQUIRE([CF_WITH_VALGRIND])
1869
1870 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1871 AC_ARG_ENABLE(leaks,
1872         [  --disable-leaks         test: free permanent memory, analyze leaks],
1873         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1874         : ${with_no_leaks:=no})
1875 AC_MSG_RESULT($with_no_leaks)
1876
1877 if test "$with_no_leaks" = yes ; then
1878         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1879         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1880 fi
1881 ])dnl
1882 dnl ---------------------------------------------------------------------------
1883 dnl CF_DISABLE_LIBTOOL_VERSION version: 3 updated: 2015/04/17 21:13:04
1884 dnl --------------------------
1885 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1886 dnl the older "-version-info" feature.  The newer feature allows us to use
1887 dnl version numbering on shared libraries which make them compatible with
1888 dnl various systems.
1889 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1890 [
1891 AC_MSG_CHECKING(if libtool -version-number should be used)
1892 CF_ARG_DISABLE(libtool-version,
1893         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1894         [cf_libtool_version=no],
1895         [cf_libtool_version=yes])
1896 AC_MSG_RESULT($cf_libtool_version)
1897
1898 if test "$cf_libtool_version" = yes ; then
1899         LIBTOOL_VERSION="-version-number"
1900 else
1901         LIBTOOL_VERSION="-version-info"
1902         case "x$VERSION" in
1903         (x)
1904                 AC_MSG_WARN(VERSION was not set)
1905                 ;;
1906         (x*.*.*)
1907                 ABI_VERSION="$VERSION"
1908                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1909                 ;;
1910         (x*:*:*)
1911                 ABI_VERSION=`echo "$VERSION" | sed -e 's/:/./g'`
1912                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1913                 ;;
1914         (*)
1915                 AC_MSG_WARN(unexpected VERSION value: $VERSION)
1916                 ;;
1917         esac
1918 fi
1919
1920 AC_SUBST(ABI_VERSION)
1921 AC_SUBST(LIBTOOL_VERSION)
1922 ])dnl
1923 dnl ---------------------------------------------------------------------------
1924 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1925 dnl ---------------------
1926 dnl The rpath-hack makes it simpler to build programs, particularly with the
1927 dnl *BSD ports which may have essential libraries in unusual places.  But it
1928 dnl can interfere with building an executable for the base system.  Use this
1929 dnl option in that case.
1930 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1931 [
1932 AC_MSG_CHECKING(if rpath-hack should be disabled)
1933 CF_ARG_DISABLE(rpath-hack,
1934         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1935         [cf_disable_rpath_hack=yes],
1936         [cf_disable_rpath_hack=no])
1937 AC_MSG_RESULT($cf_disable_rpath_hack)
1938 if test "$cf_disable_rpath_hack" = no ; then
1939         CF_RPATH_HACK
1940 fi
1941 ])
1942 dnl ---------------------------------------------------------------------------
1943 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
1944 dnl -----------------------
1945 dnl Some linkers cannot reference a data-only object.  Cygwin used to be one.
1946 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
1947 dnl an unconditional feature.
1948 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
1949
1950 AC_MSG_CHECKING(if you want broken-linker support code)
1951 AC_ARG_ENABLE(broken_linker,
1952         [  --enable-broken_linker  compile with broken-linker support code],
1953         [with_broken_linker=$enableval],
1954         [with_broken_linker=no])
1955 AC_MSG_RESULT($with_broken_linker)
1956
1957 : ${BROKEN_LINKER:=0}
1958 if test "x$with_broken_linker" = xyes ; then
1959         AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1960         BROKEN_LINKER=1
1961 fi
1962 AC_SUBST(BROKEN_LINKER)
1963 ])dnl
1964 dnl ---------------------------------------------------------------------------
1965 dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
1966 dnl ------------------
1967 dnl This is the "--enable-pc-files" option, which is available if there is a
1968 dnl pkg-config configuration on the local machine.
1969 AC_DEFUN([CF_ENABLE_PC_FILES],[
1970 AC_REQUIRE([CF_PKG_CONFIG])
1971 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1972
1973 if test "x$PKG_CONFIG" != xnone
1974 then
1975         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1976 else
1977         AC_MSG_CHECKING(if we should install .pc files)
1978 fi
1979
1980 AC_ARG_ENABLE(pc-files,
1981         [  --enable-pc-files       generate and install .pc files for pkg-config],
1982         [enable_pc_files=$enableval],
1983         [enable_pc_files=no])
1984 AC_MSG_RESULT($enable_pc_files)
1985
1986 if test "x$enable_pc_files" != xno
1987 then
1988         MAKE_PC_FILES=
1989         case "x$PKG_CONFIG_LIBDIR" in
1990         (xno|xyes)
1991                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
1992                 ;;
1993         (*)
1994                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1995                 ;;
1996         esac
1997 else
1998         MAKE_PC_FILES="#"
1999 fi
2000 AC_SUBST(MAKE_PC_FILES)
2001 ])dnl
2002 dnl ---------------------------------------------------------------------------
2003 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
2004 dnl ---------------
2005 dnl Check if the rpath option should be used, setting cache variable
2006 dnl cf_cv_enable_rpath if so.
2007 AC_DEFUN([CF_ENABLE_RPATH],
2008 [
2009 AC_MSG_CHECKING(if rpath option should be used)
2010 AC_ARG_ENABLE(rpath,
2011 [  --enable-rpath          use rpath option when generating shared libraries],
2012 [cf_cv_enable_rpath=$enableval],
2013 [cf_cv_enable_rpath=no])
2014 AC_MSG_RESULT($cf_cv_enable_rpath)
2015 ])dnl
2016 dnl ---------------------------------------------------------------------------
2017 dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
2018 dnl ----------------------
2019 dnl On a few platforms, the compiler and/or loader nags with untruthful
2020 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
2021 dnl and implying that most uses of the recommended alternatives are correct.
2022 dnl
2023 dnl Factually speaking, no one has actually counted the number of uses of these
2024 dnl functions versus the total of incorrect uses.  Samples of a few thousand
2025 dnl instances are meaningless compared to the hundreds of millions of lines of
2026 dnl existing C code.
2027 dnl
2028 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
2029 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
2030 dnl standard - but evolved through phases, and older implementations are likely
2031 dnl to yield surprising results, as documented in manpages on various systems.
2032 AC_DEFUN([CF_ENABLE_STRING_HACKS],
2033 [
2034 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
2035 AC_ARG_ENABLE(string-hacks,
2036         [  --enable-string-hacks   work around bogus compiler/loader warnings],
2037         [with_string_hacks=$enableval],
2038         [with_string_hacks=no])
2039 AC_MSG_RESULT($with_string_hacks)
2040
2041 if test "x$with_string_hacks" = "xyes"; then
2042         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
2043         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
2044         AC_CHECK_FUNC(strlcat,[
2045                 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
2046                 ],[
2047                 AC_CHECK_LIB(bsd,strlcat,[
2048                         CF_ADD_LIB(bsd)
2049                         AC_CHECK_HEADERS(bsd/string.h)
2050                         AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
2051                         ])
2052                 ])
2053         AC_CHECK_FUNCS( strlcpy snprintf )
2054 fi
2055 ])dnl
2056 dnl ---------------------------------------------------------------------------
2057 dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
2058 dnl ------------------
2059 dnl Configure-option to enable gcc warnings
2060 dnl
2061 dnl $1 = extra options to add, if supported
2062 dnl $2 = option for checking attributes.  By default, this is done when
2063 dnl      warnings are enabled.  For other values:
2064 dnl      yes: always do this, e.g., to use in generated library-headers
2065 dnl      no: never do this
2066 AC_DEFUN([CF_ENABLE_WARNINGS],[
2067 if ( test "$GCC" = yes || test "$GXX" = yes )
2068 then
2069 CF_FIX_WARNINGS(CFLAGS)
2070 CF_FIX_WARNINGS(CPPFLAGS)
2071 CF_FIX_WARNINGS(LDFLAGS)
2072 AC_MSG_CHECKING(if you want to turn on gcc warnings)
2073 CF_ARG_ENABLE(warnings,
2074         [  --enable-warnings       test: turn on gcc compiler warnings],
2075         [with_warnings=yes],
2076         [with_warnings=no])
2077 AC_MSG_RESULT($with_warnings)
2078 if test "$with_warnings" = "yes"
2079 then
2080         ifelse($2,,[CF_GCC_ATTRIBUTES])
2081         CF_GCC_WARNINGS($1)
2082 fi
2083 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
2084 fi
2085 ])dnl
2086 dnl ---------------------------------------------------------------------------
2087 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
2088 dnl --------
2089 dnl Check if 'errno' is declared in <errno.h>
2090 AC_DEFUN([CF_ERRNO],
2091 [
2092 CF_CHECK_ERRNO(errno)
2093 ])dnl
2094 dnl ---------------------------------------------------------------------------
2095 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
2096 dnl ---------------
2097 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
2098 dnl math.h and builtin.h, only for ncurses
2099 AC_DEFUN([CF_ETIP_DEFINES],
2100 [
2101 AC_MSG_CHECKING(for special defines needed for etip.h)
2102 cf_save_CXXFLAGS="$CXXFLAGS"
2103 cf_result="none"
2104
2105 # etip.h includes ncurses.h which includes ncurses_dll.h
2106 # But ncurses_dll.h is generated - fix here.
2107 test -d include || mkdir include
2108 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
2109
2110 for cf_math in "" MATH_H
2111 do
2112 for cf_excp in "" MATH_EXCEPTION
2113 do
2114         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
2115         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
2116         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
2117 AC_TRY_COMPILE([
2118 #include <etip.h.in>
2119 ],[],[
2120         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
2121         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
2122         cf_result="$cf_math $cf_excp"
2123         break 2
2124 ],[])
2125 done
2126 done
2127 AC_MSG_RESULT($cf_result)
2128 CXXFLAGS="$cf_save_CXXFLAGS"
2129 ])
2130 dnl ---------------------------------------------------------------------------
2131 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
2132 dnl ---------------
2133 dnl Find a library (specifically the linkage used in the code fragment),
2134 dnl searching for it if it is not already in the library path.
2135 dnl See also CF_ADD_SEARCHPATH.
2136 dnl
2137 dnl Parameters (4-on are optional):
2138 dnl     $1 = headers for library entrypoint
2139 dnl     $2 = code fragment for library entrypoint
2140 dnl     $3 = the library name without the "-l" option or ".so" suffix.
2141 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
2142 dnl     $5 = action to perform if not successful
2143 dnl     $6 = module name, if not the same as the library name
2144 dnl     $7 = extra libraries
2145 dnl
2146 dnl Sets these variables:
2147 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
2148 dnl     $cf_cv_header_path_$3 - include-directory if needed
2149 dnl     $cf_cv_library_path_$3 - library-directory if needed
2150 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
2151 AC_DEFUN([CF_FIND_LINKAGE],[
2152
2153 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
2154 # will be set on completion of the AC_TRY_LINK below.
2155 cf_cv_header_path_$3=
2156 cf_cv_library_path_$3=
2157
2158 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
2159
2160 cf_save_LIBS="$LIBS"
2161
2162 AC_TRY_LINK([$1],[$2],[
2163         cf_cv_find_linkage_$3=yes
2164         cf_cv_header_path_$3=/usr/include
2165         cf_cv_library_path_$3=/usr/lib
2166 ],[
2167
2168 LIBS="-l$3 $7 $cf_save_LIBS"
2169
2170 AC_TRY_LINK([$1],[$2],[
2171         cf_cv_find_linkage_$3=yes
2172         cf_cv_header_path_$3=/usr/include
2173         cf_cv_library_path_$3=/usr/lib
2174         cf_cv_library_file_$3="-l$3"
2175 ],[
2176         cf_cv_find_linkage_$3=no
2177         LIBS="$cf_save_LIBS"
2178
2179         CF_VERBOSE(find linkage for $3 library)
2180         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
2181
2182         cf_save_CPPFLAGS="$CPPFLAGS"
2183         cf_test_CPPFLAGS="$CPPFLAGS"
2184
2185         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
2186         for cf_cv_header_path_$3 in $cf_search
2187         do
2188                 if test -d $cf_cv_header_path_$3 ; then
2189                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
2190                         CPPFLAGS="$cf_save_CPPFLAGS"
2191                         CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
2192                         AC_TRY_COMPILE([$1],[$2],[
2193                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
2194                                 cf_cv_find_linkage_$3=maybe
2195                                 cf_test_CPPFLAGS="$CPPFLAGS"
2196                                 break],[
2197                                 CPPFLAGS="$cf_save_CPPFLAGS"
2198                                 ])
2199                 fi
2200         done
2201
2202         if test "$cf_cv_find_linkage_$3" = maybe ; then
2203
2204                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
2205
2206                 cf_save_LIBS="$LIBS"
2207                 cf_save_LDFLAGS="$LDFLAGS"
2208
2209                 ifelse([$6],,,[
2210                 CPPFLAGS="$cf_test_CPPFLAGS"
2211                 LIBS="-l$3 $7 $cf_save_LIBS"
2212                 AC_TRY_LINK([$1],[$2],[
2213                         CF_VERBOSE(... found $3 library in system)
2214                         cf_cv_find_linkage_$3=yes])
2215                         CPPFLAGS="$cf_save_CPPFLAGS"
2216                         LIBS="$cf_save_LIBS"
2217                         ])
2218
2219                 if test "$cf_cv_find_linkage_$3" != yes ; then
2220                         CF_LIBRARY_PATH(cf_search,$3)
2221                         for cf_cv_library_path_$3 in $cf_search
2222                         do
2223                                 if test -d $cf_cv_library_path_$3 ; then
2224                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
2225                                         CPPFLAGS="$cf_test_CPPFLAGS"
2226                                         LIBS="-l$3 $7 $cf_save_LIBS"
2227                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
2228                                         AC_TRY_LINK([$1],[$2],[
2229                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
2230                                         cf_cv_find_linkage_$3=yes
2231                                         cf_cv_library_file_$3="-l$3"
2232                                         break],[
2233                                         CPPFLAGS="$cf_save_CPPFLAGS"
2234                                         LIBS="$cf_save_LIBS"
2235                                         LDFLAGS="$cf_save_LDFLAGS"
2236                                         ])
2237                                 fi
2238                         done
2239                         CPPFLAGS="$cf_save_CPPFLAGS"
2240                         LDFLAGS="$cf_save_LDFLAGS"
2241                 fi
2242
2243         else
2244                 cf_cv_find_linkage_$3=no
2245         fi
2246         ],$7)
2247 ])
2248
2249 LIBS="$cf_save_LIBS"
2250
2251 if test "$cf_cv_find_linkage_$3" = yes ; then
2252 ifelse([$4],,[
2253         CF_ADD_INCDIR($cf_cv_header_path_$3)
2254         CF_ADD_LIBDIR($cf_cv_library_path_$3)
2255         CF_ADD_LIB($3)
2256 ],[$4])
2257 else
2258 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
2259 fi
2260 ])dnl
2261 dnl ---------------------------------------------------------------------------
2262 dnl CF_FIND_SUB_INCDIR version: 2 updated: 2015/04/17 21:13:04
2263 dnl ------------------
2264 dnl Find an include-directory with the given leaf-name.  This is useful for
2265 dnl example with FreeBSD ports, which use this convention to distinguish
2266 dnl different versions of the same port.
2267 AC_DEFUN([CF_FIND_SUB_INCDIR],[
2268         CF_SUBDIR_PATH(cf_search,$1,include)
2269         for cf_item in $cf_search
2270         do
2271                 case $cf_item in
2272                 (*/$1)
2273                         CF_ADD_INCDIR($cf_item)
2274                         ;;
2275                 esac
2276         done
2277 ])dnl
2278 dnl ---------------------------------------------------------------------------
2279 dnl CF_FIND_SUB_LIBDIR version: 2 updated: 2015/04/17 21:13:04
2280 dnl ------------------
2281 dnl Find a library-directory with the given leaf-name.  This is useful for
2282 dnl example with FreeBSD ports, which use this convention to distinguish
2283 dnl different versions of the same port.
2284 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
2285         CF_SUBDIR_PATH(cf_search,$1,lib)
2286         for cf_item in $cf_search
2287         do
2288                 case $cf_item in
2289                 (*/$1)
2290                         CF_ADD_LIBDIR($cf_item)
2291                         ;;
2292                 esac
2293         done
2294 ])dnl
2295 dnl ---------------------------------------------------------------------------
2296 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
2297 dnl -----------------
2298 dnl make ADAFLAGS consistent with CFLAGS
2299 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
2300         AC_MSG_CHECKING(optimization options for ADAFLAGS)
2301         case "$CFLAGS" in
2302         (*-g*)
2303                 CF_ADD_ADAFLAGS(-g)
2304                 ;;
2305         esac
2306         case "$CFLAGS" in
2307         (*-O*)
2308                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
2309                 CF_ADD_ADAFLAGS($cf_O_flag)
2310                 ;;
2311         esac
2312         AC_MSG_RESULT($ADAFLAGS)
2313 ])dnl
2314 dnl ---------------------------------------------------------------------------
2315 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
2316 dnl ---------------
2317 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc.  Any of gcc's
2318 dnl "-Werror" flags can interfere with configure-checks.  Those go into
2319 dnl EXTRA_CFLAGS.
2320 dnl
2321 dnl $1 = variable name to repair
2322 define([CF_FIX_WARNINGS],[
2323 if ( test "$GCC" = yes || test "$GXX" = yes )
2324 then
2325         case [$]$1 in
2326         (*-Werror=*)
2327                 CF_VERBOSE(repairing $1: [$]$1)
2328                 cf_temp_flags=
2329                 for cf_temp_scan in [$]$1
2330                 do
2331                         case "x$cf_temp_scan" in
2332                         (x-Werror=*)
2333                                 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
2334                                 ;;
2335                         (*)
2336                                 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
2337                                 ;;
2338                         esac
2339                 done
2340                 $1="$cf_temp_flags"
2341                 CF_VERBOSE(... fixed [$]$1)
2342                 CF_VERBOSE(... extra $EXTRA_CFLAGS)
2343                 ;;
2344         esac
2345 fi
2346 AC_SUBST(EXTRA_CFLAGS)
2347 ])dnl
2348 dnl ---------------------------------------------------------------------------
2349 dnl CF_FOPEN_BIN_R version: 2 updated: 2019/12/31 08:53:54
2350 dnl --------------
2351 dnl Check if fopen works when the "b" (binary) flag is added to the mode
2352 dnl parameter.  POSIX ignores the "b", which c89 specified.  Some very old
2353 dnl systems do not accept it.
2354 AC_DEFUN([CF_FOPEN_BIN_R],[
2355 AC_CACHE_CHECK(if fopen accepts explicit binary mode,cf_cv_fopen_bin_r,[
2356         AC_TRY_RUN([
2357 #include <stdio.h>
2358 int main(void) {
2359         FILE *fp = fopen("conftest.tmp", "wb");
2360         int rc = 0;
2361         if (fp != 0) {
2362                 int p, q;
2363                 for (p = 0; p < 256; ++p) {
2364                         fputc(p, fp);
2365                 }
2366                 fclose(fp);
2367                 fp = fopen("conftest.tmp", "rb");
2368                 if (fp != 0) {
2369                         for (p = 0; p < 256; ++p) {
2370                                 q = fgetc(fp);
2371                                 if (q != p) {
2372                                         rc = 1;
2373                                         break;
2374                                 }
2375                         }
2376                 } else {
2377                         rc = 1;
2378                 }
2379         } else {
2380                 rc = 1;
2381         }
2382         ${cf_cv_main_return:-return} (rc);
2383 }
2384 ],
2385                 [cf_cv_fopen_bin_r=yes],
2386                 [cf_cv_fopen_bin_r=no],
2387                 [cf_cv_fopen_bin_r=unknown])
2388 ])
2389 test "x$cf_cv_fopen_bin_r" != xno && AC_DEFINE(USE_FOPEN_BIN_R,1,[Define to 1 if fopen accepts explicit binary mode])
2390 ])dnl
2391 dnl ---------------------------------------------------------------------------
2392 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
2393 dnl --------------
2394 dnl Forget that we saw the given tool.
2395 AC_DEFUN([CF_FORGET_TOOL],[
2396 unset ac_cv_prog_ac_ct_$1
2397 unset ac_ct_$1
2398 unset $1
2399 ])dnl
2400 dnl ---------------------------------------------------------------------------
2401 dnl CF_FUNC_DLSYM version: 4 updated: 2015/09/12 14:46:44
2402 dnl -------------
2403 dnl Test for dlsym() and related functions, as well as libdl.
2404 dnl
2405 dnl Sets
2406 dnl     $cf_have_dlsym
2407 dnl     $cf_have_libdl
2408 AC_DEFUN([CF_FUNC_DLSYM],[
2409 cf_have_dlsym=no
2410 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
2411
2412 cf_have_libdl=no
2413 AC_CHECK_LIB(dl,dlsym,[
2414         cf_have_dlsym=yes
2415         cf_have_libdl=yes])])
2416
2417 if test "$cf_have_dlsym" = yes ; then
2418         test "$cf_have_libdl" = yes && { CF_ADD_LIB(dl) }
2419
2420         AC_MSG_CHECKING(whether able to link to dl*() functions)
2421         AC_TRY_LINK([#include <dlfcn.h>],[
2422                 void *obj;
2423                 if ((obj = dlopen("filename", 0)) != 0) {
2424                         if (dlsym(obj, "symbolname") == 0) {
2425                         dlclose(obj);
2426                         }
2427                 }],[
2428                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
2429                 AC_MSG_ERROR(Cannot link test program for libdl)])
2430         AC_MSG_RESULT(ok)
2431 else
2432         AC_MSG_ERROR(Cannot find dlsym function)
2433 fi
2434 ])
2435 dnl ---------------------------------------------------------------------------
2436 dnl CF_FUNC_MEMMOVE version: 9 updated: 2017/01/21 11:06:25
2437 dnl ---------------
2438 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
2439 dnl is found, add our own version of memmove to the list of objects.
2440 AC_DEFUN([CF_FUNC_MEMMOVE],
2441 [
2442 AC_CHECK_FUNC(memmove,,[
2443 AC_CHECK_FUNC(bcopy,[
2444         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
2445                 AC_TRY_RUN([
2446 int main(void) {
2447         static char data[] = "abcdefghijklmnopqrstuwwxyz";
2448         char temp[40];
2449         bcopy(data, temp, sizeof(data));
2450         bcopy(temp+10, temp, 15);
2451         bcopy(temp+5, temp+15, 10);
2452         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
2453 }
2454                 ],
2455                 [cf_cv_good_bcopy=yes],
2456                 [cf_cv_good_bcopy=no],
2457                 [cf_cv_good_bcopy=unknown])
2458                 ])
2459         ],[cf_cv_good_bcopy=no])
2460         if test "$cf_cv_good_bcopy" = yes ; then
2461                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
2462         else
2463                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
2464         fi
2465 ])])dnl
2466 dnl ---------------------------------------------------------------------------
2467 dnl CF_FUNC_NANOSLEEP version: 5 updated: 2017/01/21 11:06:25
2468 dnl -----------------
2469 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
2470 dnl AIX 4.x, provide a non-working version.
2471 AC_DEFUN([CF_FUNC_NANOSLEEP],[
2472 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
2473 AC_TRY_RUN([
2474 #include <stdio.h>
2475 #include <errno.h>
2476 #include <time.h>
2477
2478 #ifdef HAVE_SYS_TIME_H
2479 #include <sys/time.h>
2480 #endif
2481
2482 int main(void) {
2483         struct timespec ts1, ts2;
2484         int code;
2485         ts1.tv_sec  = 0;
2486         ts1.tv_nsec = 750000000;
2487         ts2.tv_sec  = 0;
2488         ts2.tv_nsec = 0;
2489         errno = 0;
2490         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
2491         ${cf_cv_main_return:-return}(code != 0);
2492 }
2493 ],
2494         [cf_cv_func_nanosleep=yes],
2495         [cf_cv_func_nanosleep=no],
2496         [cf_cv_func_nanosleep=unknown])])
2497
2498 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
2499 ])
2500 dnl ---------------------------------------------------------------------------
2501 dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
2502 dnl ---------------
2503 dnl Check for openpty() function, along with <pty.h> header.  It may need the
2504 dnl "util" library as well.
2505 AC_DEFUN([CF_FUNC_OPENPTY],
2506 [
2507 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
2508 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
2509         cf_save_LIBS="$LIBS"
2510         test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
2511         for cf_header in pty.h libutil.h util.h
2512         do
2513         AC_TRY_LINK([
2514 #include <$cf_header>
2515 ],[
2516         int x = openpty((int *)0, (int *)0, (char *)0,
2517                                    (struct termios *)0, (struct winsize *)0);
2518 ],[
2519                 cf_cv_func_openpty=$cf_header
2520                 break
2521 ],[
2522                 cf_cv_func_openpty=no
2523 ])
2524         done
2525         LIBS="$cf_save_LIBS"
2526 ])
2527 ])dnl
2528 dnl ---------------------------------------------------------------------------
2529 dnl CF_FUNC_POLL version: 9 updated: 2015/10/10 13:27:32
2530 dnl ------------
2531 dnl See if the poll function really works.  Some platforms have poll(), but
2532 dnl it does not work for terminals or files.
2533 AC_DEFUN([CF_FUNC_POLL],[
2534 tty 2>&1 >/dev/null || { AC_CHECK_FUNCS(posix_openpt) }
2535 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
2536 AC_TRY_RUN([
2537 #include <stdlib.h>
2538 #include <stdio.h>
2539 #include <unistd.h>
2540 #include <fcntl.h>
2541 #ifdef HAVE_POLL_H
2542 #include <poll.h>
2543 #else
2544 #include <sys/poll.h>
2545 #endif
2546 int main(void) {
2547         struct pollfd myfds;
2548         int ret;
2549
2550         /* check for Darwin bug with respect to "devices" */
2551         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
2552         if (myfds.fd < 0)
2553                 myfds.fd = 0;
2554         myfds.events = POLLIN;
2555         myfds.revents = 0;
2556
2557         ret = poll(&myfds, 1, 100);
2558
2559         if (ret < 0 || (myfds.revents & POLLNVAL)) {
2560                 ret = -1;
2561         } else {
2562                 int fd = 0;
2563                 if (!isatty(fd)) {
2564                         fd = open("/dev/tty", 2);       /* O_RDWR */
2565                 }
2566 #ifdef HAVE_POSIX_OPENPT
2567                 if (fd < 0) {
2568                         fd = posix_openpt(O_RDWR);
2569                 }
2570 #endif
2571
2572                 if (fd >= 0) {
2573                         /* also check with standard input */
2574                         myfds.fd = fd;
2575                         myfds.events = POLLIN;
2576                         myfds.revents = 0;
2577                         ret = poll(&myfds, 1, 100);
2578                 } else {
2579                         ret = -1;
2580                 }
2581         }
2582         ${cf_cv_main_return:-return}(ret < 0);
2583 }],
2584         [cf_cv_working_poll=yes],
2585         [cf_cv_working_poll=no],
2586         [cf_cv_working_poll=unknown])])
2587 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
2588 ])dnl
2589 dnl ---------------------------------------------------------------------------
2590 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
2591 dnl ---------------
2592 dnl Some old/broken variations define tcgetattr() only as a macro in
2593 dnl termio(s).h
2594 AC_DEFUN([CF_FUNC_TERMIOS],[
2595 AC_REQUIRE([CF_STRUCT_TERMIOS])
2596 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
2597 AC_TRY_LINK([
2598 #include <sys/types.h>
2599 #ifdef HAVE_UNISTD_H
2600 #include <unistd.h>
2601 #endif
2602 #ifdef HAVE_TERMIOS_H
2603 #include <termios.h>
2604 #define TTY struct termios
2605 #else
2606 #ifdef HAVE_TERMIO_H
2607 #include <termio.h>
2608 #define TTY struct termio
2609 #endif
2610 #endif
2611 ],[
2612 TTY foo;
2613 tcgetattr(1, &foo);],
2614 [cf_cv_have_tcgetattr=yes],
2615 [cf_cv_have_tcgetattr=no])])
2616 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
2617 ])dnl
2618 dnl ---------------------------------------------------------------------------
2619 dnl CF_FUNC_VSSCANF version: 6 updated: 2015/04/18 08:56:57
2620 dnl ---------------
2621 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
2622 dnl versions of C.  It is in the GNU C library, and can often be simulated by
2623 dnl other functions.
2624 AC_DEFUN([CF_FUNC_VSSCANF],
2625 [
2626 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
2627 AC_TRY_LINK([
2628 #include <stdarg.h>
2629 #include <stdio.h>],[
2630         va_list ap;
2631         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
2632 AC_TRY_LINK([
2633 #include <stdarg.h>
2634 #include <stdio.h>],[
2635         FILE strbuf;
2636         char *str = "from";
2637
2638         strbuf._flag = _IOREAD;
2639         strbuf._ptr = strbuf._base = (unsigned char *) str;
2640         strbuf._cnt = strlen(str);
2641         strbuf._file = _NFILE;
2642         return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
2643 AC_TRY_LINK([
2644 #include <stdarg.h>
2645 #include <stdio.h>],[
2646         FILE strbuf;
2647         char *str = "from";
2648
2649         strbuf._flag = _IOREAD;
2650         strbuf._ptr = strbuf._base = (unsigned char *) str;
2651         strbuf._cnt = strlen(str);
2652         strbuf._file = _NFILE;
2653         return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
2654 cf_cv_func_vsscanf=no])])])])
2655
2656 case $cf_cv_func_vsscanf in
2657 (vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);;
2658 (vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);;
2659 (_doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
2660 esac
2661
2662 ])dnl
2663 dnl ---------------------------------------------------------------------------
2664 dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
2665 dnl -----------------
2666 dnl Test for availability of useful gcc __attribute__ directives to quiet
2667 dnl compiler warnings.  Though useful, not all are supported -- and contrary
2668 dnl to documentation, unrecognized directives cause older compilers to barf.
2669 AC_DEFUN([CF_GCC_ATTRIBUTES],
2670 [
2671 if ( test "$GCC" = yes || test "$GXX" = yes )
2672 then
2673 cat > conftest.i <<EOF
2674 #ifndef GCC_PRINTF
2675 #define GCC_PRINTF 0
2676 #endif
2677 #ifndef GCC_SCANF
2678 #define GCC_SCANF 0
2679 #endif
2680 #ifndef GCC_NORETURN
2681 #define GCC_NORETURN /* nothing */
2682 #endif
2683 #ifndef GCC_UNUSED
2684 #define GCC_UNUSED /* nothing */
2685 #endif
2686 EOF
2687 if test "$GCC" = yes
2688 then
2689         AC_CHECKING([for $CC __attribute__ directives])
2690 cat > conftest.$ac_ext <<EOF
2691 #line __oline__ "${as_me:-configure}"
2692 #include "confdefs.h"
2693 #include "conftest.h"
2694 #include "conftest.i"
2695 #if     GCC_PRINTF
2696 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
2697 #else
2698 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
2699 #endif
2700 #if     GCC_SCANF
2701 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
2702 #else
2703 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
2704 #endif
2705 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
2706 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
2707 extern void foo(void) GCC_NORETURN;
2708 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
2709 EOF
2710         cf_printf_attribute=no
2711         cf_scanf_attribute=no
2712         for cf_attribute in scanf printf unused noreturn
2713         do
2714                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
2715                 cf_directive="__attribute__(($cf_attribute))"
2716                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
2717
2718                 case $cf_attribute in
2719                 (printf)
2720                         cf_printf_attribute=yes
2721                         cat >conftest.h <<EOF
2722 #define GCC_$cf_ATTRIBUTE 1
2723 EOF
2724                         ;;
2725                 (scanf)
2726                         cf_scanf_attribute=yes
2727                         cat >conftest.h <<EOF
2728 #define GCC_$cf_ATTRIBUTE 1
2729 EOF
2730                         ;;
2731                 (*)
2732                         cat >conftest.h <<EOF
2733 #define GCC_$cf_ATTRIBUTE $cf_directive
2734 EOF
2735                         ;;
2736                 esac
2737
2738                 if AC_TRY_EVAL(ac_compile); then
2739                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
2740                         cat conftest.h >>confdefs.h
2741                         case $cf_attribute in
2742                         (noreturn)
2743                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
2744                                 ;;
2745                         (printf)
2746                                 cf_value='/* nothing */'
2747                                 if test "$cf_printf_attribute" != no ; then
2748                                         cf_value='__attribute__((format(printf,fmt,var)))'
2749                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
2750                                 fi
2751                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
2752                                 ;;
2753                         (scanf)
2754                                 cf_value='/* nothing */'
2755                                 if test "$cf_scanf_attribute" != no ; then
2756                                         cf_value='__attribute__((format(scanf,fmt,var)))'
2757                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
2758                                 fi
2759                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
2760                                 ;;
2761                         (unused)
2762                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
2763                                 ;;
2764                         esac
2765                 fi
2766         done
2767 else
2768         fgrep define conftest.i >>confdefs.h
2769 fi
2770 rm -rf conftest*
2771 fi
2772 ])dnl
2773 dnl ---------------------------------------------------------------------------
2774 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
2775 dnl --------------
2776 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
2777 dnl compatible), attempt to determine if icc/clang is actually used.
2778 AC_DEFUN([CF_GCC_VERSION],[
2779 AC_REQUIRE([AC_PROG_CC])
2780 GCC_VERSION=none
2781 if test "$GCC" = yes ; then
2782         AC_MSG_CHECKING(version of $CC)
2783         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2784         test -z "$GCC_VERSION" && GCC_VERSION=unknown
2785         AC_MSG_RESULT($GCC_VERSION)
2786 fi
2787 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2788 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2789 ])dnl
2790 dnl ---------------------------------------------------------------------------
2791 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
2792 dnl ---------------
2793 dnl Check if the compiler supports useful warning options.  There's a few that
2794 dnl we don't use, simply because they're too noisy:
2795 dnl
2796 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2797 dnl     -Winline (usually not worthwhile)
2798 dnl     -Wredundant-decls (system headers make this too noisy)
2799 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
2800 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
2801 dnl             is enabled for ncurses using "--enable-const".
2802 dnl     -pedantic
2803 dnl
2804 dnl Parameter:
2805 dnl     $1 is an optional list of gcc warning flags that a particular
2806 dnl             application might want to use, e.g., "no-unused" for
2807 dnl             -Wno-unused
2808 dnl Special:
2809 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2810 dnl
2811 AC_DEFUN([CF_GCC_WARNINGS],
2812 [
2813 AC_REQUIRE([CF_GCC_VERSION])
2814 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
2815 cat > conftest.$ac_ext <<EOF
2816 #line __oline__ "${as_me:-configure}"
2817 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2818 EOF
2819 if test "$INTEL_COMPILER" = yes
2820 then
2821 # The "-wdXXX" options suppress warnings:
2822 # remark #1419: external declaration in primary source file
2823 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2824 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2825 # remark #193: zero used for undefined preprocessing identifier
2826 # remark #593: variable "curs_sb_left_arrow" was set but never used
2827 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2828 # remark #869: parameter "tw" was never referenced
2829 # remark #981: operands are evaluated in unspecified order
2830 # warning #279: controlling expression is constant
2831
2832         AC_CHECKING([for $CC warning options])
2833         cf_save_CFLAGS="$CFLAGS"
2834         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
2835         for cf_opt in \
2836                 wd1419 \
2837                 wd1683 \
2838                 wd1684 \
2839                 wd193 \
2840                 wd593 \
2841                 wd279 \
2842                 wd810 \
2843                 wd869 \
2844                 wd981
2845         do
2846                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2847                 if AC_TRY_EVAL(ac_compile); then
2848                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2849                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2850                 fi
2851         done
2852         CFLAGS="$cf_save_CFLAGS"
2853 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
2854 then
2855         AC_CHECKING([for $CC warning options])
2856         cf_save_CFLAGS="$CFLAGS"
2857         cf_warn_CONST=""
2858         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2859         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2860         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2861         for cf_opt in W Wall \
2862                 Wbad-function-cast \
2863                 Wcast-align \
2864                 Wcast-qual \
2865                 Wdeclaration-after-statement \
2866                 Wextra \
2867                 Winline \
2868                 Wmissing-declarations \
2869                 Wmissing-prototypes \
2870                 Wnested-externs \
2871                 Wpointer-arith \
2872                 Wshadow \
2873                 Wstrict-prototypes \
2874                 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
2875         do
2876                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2877                 if AC_TRY_EVAL(ac_compile); then
2878                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2879                         case $cf_opt in
2880                         (Winline)
2881                                 case $GCC_VERSION in
2882                                 ([[34]].*)
2883                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2884                                         continue;;
2885                                 esac
2886                                 ;;
2887                         (Wpointer-arith)
2888                                 case $GCC_VERSION in
2889                                 ([[12]].*)
2890                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2891                                         continue;;
2892                                 esac
2893                                 ;;
2894                         esac
2895                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2896                 fi
2897         done
2898         CFLAGS="$cf_save_CFLAGS"
2899 fi
2900 rm -rf conftest*
2901
2902 AC_SUBST(EXTRA_CFLAGS)
2903 ])dnl
2904 dnl ---------------------------------------------------------------------------
2905 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2906 dnl ----------------
2907 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2908 dnl unistd.h or (nonstandard) in getopt.h
2909 AC_DEFUN([CF_GETOPT_HEADER],
2910 [
2911 AC_HAVE_HEADERS(unistd.h getopt.h)
2912 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2913 cf_cv_getopt_header=none
2914 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2915 do
2916 AC_TRY_COMPILE([
2917 #include <$cf_header>],
2918 [int x = optind; char *y = optarg],
2919 [cf_cv_getopt_header=$cf_header
2920  break])
2921 done
2922 ])
2923 if test $cf_cv_getopt_header != none ; then
2924         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2925 fi
2926 if test $cf_cv_getopt_header = getopt.h ; then
2927         AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2928 fi
2929 ])dnl
2930 dnl ---------------------------------------------------------------------------
2931 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2932 dnl -----------------
2933 AC_DEFUN([CF_GNATPREP_OPT_T],[
2934 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2935 cf_cv_gnatprep_opt_t=no
2936 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2937 ])
2938 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2939 AC_SUBST(GNATPREP_OPTS)
2940 ])dnl
2941 dnl ---------------------------------------------------------------------------
2942 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
2943 dnl ----------------
2944 AC_DEFUN([CF_GNAT_GENERICS],
2945 [
2946 AC_REQUIRE([CF_GNAT_VERSION])
2947
2948 AC_MSG_CHECKING(if GNAT supports generics)
2949 case $cf_cv_gnat_version in
2950 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
2951         cf_gnat_generics=yes
2952         ;;
2953 (*)
2954         cf_gnat_generics=no
2955         ;;
2956 esac
2957 AC_MSG_RESULT($cf_gnat_generics)
2958
2959 if test "$cf_gnat_generics" = yes
2960 then
2961         cf_compile_generics=generics
2962         cf_generic_objects="\${GENOBJS}"
2963 else
2964         cf_compile_generics=
2965         cf_generic_objects=
2966 fi
2967
2968 AC_SUBST(cf_compile_generics)
2969 AC_SUBST(cf_generic_objects)
2970 ])dnl
2971 dnl ---------------------------------------------------------------------------
2972 dnl CF_GNAT_PROJECTS version: 11 updated: 2020/12/05 16:42:18
2973 dnl ----------------
2974 dnl GNAT projects are configured with ".gpr" project files.
2975 dnl GNAT libraries are a further development, using the project feature.
2976 AC_DEFUN([CF_GNAT_PROJECTS],
2977 [
2978 AC_REQUIRE([CF_GNAT_VERSION])
2979 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2980
2981 cf_gnat_libraries=no
2982 cf_gnat_projects=no
2983
2984 if test "$enable_gnat_projects" != no ; then
2985 AC_MSG_CHECKING(if GNAT supports project files)
2986 case $cf_cv_gnat_version in
2987 (3.[[0-9]]*)
2988         ;;
2989 (*)
2990         case $cf_cv_system_name in
2991         (cygwin*|msys*)
2992                 ;;
2993         (*)
2994                 rm -rf conftest* *~conftest*
2995                 if mkdir conftest.src conftest.bin conftest.lib
2996                 then
2997                         cd conftest.src
2998                         rm -rf conftest* *~conftest*
2999                         cat >>library.gpr <<CF_EOF
3000 project Library is
3001   Kind := External ("LIB_KIND");
3002   for Library_Name use "ConfTest";
3003   for Object_Dir use ".";
3004   for Library_ALI_Dir use External("LIBRARY_DIR");
3005   for Library_Version use External ("SONAME");
3006   for Library_Kind use Kind;
3007   for Library_Dir use External("BUILD_DIR");
3008   Source_Dir := External ("SOURCE_DIR");
3009   for Source_Dirs use (Source_Dir);
3010 end Library;
3011 CF_EOF
3012                         cat >>confpackage.ads <<CF_EOF
3013 package ConfPackage is
3014    procedure conftest;
3015 end ConfPackage;
3016 CF_EOF
3017                         cat >>confpackage.adb <<CF_EOF
3018 with Text_IO;
3019 package body ConfPackage is
3020    procedure conftest is
3021    begin
3022       Text_IO.Put ("Hello World");
3023       Text_IO.New_Line;
3024    end conftest;
3025 end ConfPackage;
3026 CF_EOF
3027                         if ( $cf_ada_make $ADAFLAGS \
3028                                         -Plibrary.gpr \
3029                                         -XBUILD_DIR=`cd ../conftest.bin;pwd` \
3030                                         -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
3031                                         -XSOURCE_DIR=`pwd` \
3032                                         -XSONAME=libConfTest.so.1 \
3033                                         -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
3034                                 cf_gnat_projects=yes
3035                         fi
3036                         cd ..
3037                 fi
3038                 if test -f conftest.lib/confpackage.ali
3039                 then
3040                         cf_gnat_libraries=yes
3041                 fi
3042                 rm -rf conftest* *~conftest*
3043                 ;;
3044         esac
3045         ;;
3046 esac
3047 AC_MSG_RESULT($cf_gnat_projects)
3048 fi # enable_gnat_projects
3049
3050 if test $cf_gnat_projects = yes
3051 then
3052         AC_MSG_CHECKING(if GNAT supports libraries)
3053         AC_MSG_RESULT($cf_gnat_libraries)
3054 fi
3055
3056 USE_OLD_MAKERULES=""
3057 USE_GNAT_PROJECTS="#"
3058 USE_GNAT_MAKE_GPR="#"
3059 USE_GNAT_GPRBUILD="#"
3060
3061 if test "$cf_gnat_projects" = yes
3062 then
3063         USE_OLD_MAKERULES="#"
3064         USE_GNAT_PROJECTS=""
3065         if test "$cf_cv_VERSION_GPRBUILD" != no
3066         then
3067                 USE_GNAT_GPRBUILD=""
3068         elif test "$cf_cv_VERSION_GNATMAKE" != no
3069         then
3070                 USE_GNAT_MAKE_GPR=""
3071         else
3072                 AC_MSG_WARN(use old makefile rules since tools are missing)
3073         fi
3074 fi
3075
3076 if test "$cf_gnat_libraries" = yes
3077 then
3078         USE_GNAT_LIBRARIES=""
3079 else
3080         USE_GNAT_LIBRARIES="#"
3081 fi
3082
3083 AC_SUBST(USE_OLD_MAKERULES)
3084 AC_SUBST(USE_GNAT_PROJECTS)
3085 AC_SUBST(USE_GNAT_LIBRARIES)
3086 AC_SUBST(USE_GNAT_MAKE_GPR)
3087 AC_SUBST(USE_GNAT_GPRBUILD)
3088 ])dnl
3089 dnl ---------------------------------------------------------------------------
3090 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
3091 dnl --------------
3092 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
3093 dnl is noted that gnat may compile a tasking unit even for configurations which
3094 dnl fail at runtime.
3095 AC_DEFUN([CF_GNAT_SIGINT],[
3096 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
3097 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
3098
3099 package ConfTest is
3100
3101    pragma Warnings (Off);  --  the next pragma exists since 3.11p
3102    pragma Unreserve_All_Interrupts;
3103    pragma Warnings (On);
3104
3105    protected Process is
3106       procedure Stop;
3107       function Continue return Boolean;
3108       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
3109    private
3110       Done : Boolean := False;
3111    end Process;
3112
3113 end ConfTest;],
3114 [package body ConfTest is
3115    protected body Process is
3116       procedure Stop is
3117       begin
3118          Done := True;
3119       end Stop;
3120       function Continue return Boolean is
3121       begin
3122          return not Done;
3123       end Continue;
3124    end Process;
3125 end ConfTest;],
3126         [cf_cv_gnat_sigint=yes],
3127         [cf_cv_gnat_sigint=no])])
3128
3129 if test $cf_cv_gnat_sigint = yes ; then
3130         USE_GNAT_SIGINT=""
3131 else
3132         USE_GNAT_SIGINT="#"
3133 fi
3134 AC_SUBST(USE_GNAT_SIGINT)
3135 ])dnl
3136 dnl ---------------------------------------------------------------------------
3137 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
3138 dnl ----------------
3139 dnl Verify that a test program compiles/links with GNAT.
3140 dnl $cf_ada_make is set to the program that compiles/links
3141 dnl $ADAFLAGS may be set to the GNAT flags.
3142 dnl
3143 dnl $1 is the text of the spec
3144 dnl $2 is the text of the body
3145 dnl $3 is the shell command to execute if successful
3146 dnl $4 is the shell command to execute if not successful
3147 AC_DEFUN([CF_GNAT_TRY_LINK],
3148 [
3149 rm -rf conftest* *~conftest*
3150 cat >>conftest.ads <<CF_EOF
3151 $1
3152 CF_EOF
3153 cat >>conftest.adb <<CF_EOF
3154 $2
3155 CF_EOF
3156 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
3157 ifelse($3,,      :,[      $3])
3158 ifelse($4,,,[else
3159    $4])
3160 fi
3161 rm -rf conftest* *~conftest*
3162 ])dnl
3163 dnl ---------------------------------------------------------------------------
3164 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
3165 dnl ---------------
3166 dnl Verify that a test program compiles and runs with GNAT
3167 dnl $cf_ada_make is set to the program that compiles/links
3168 dnl $ADAFLAGS may be set to the GNAT flags.
3169 dnl
3170 dnl $1 is the text of the spec
3171 dnl $2 is the text of the body
3172 dnl $3 is the shell command to execute if successful
3173 dnl $4 is the shell command to execute if not successful
3174 AC_DEFUN([CF_GNAT_TRY_RUN],
3175 [
3176 rm -rf conftest* *~conftest*
3177 cat >>conftest.ads <<CF_EOF
3178 $1
3179 CF_EOF
3180 cat >>conftest.adb <<CF_EOF
3181 $2
3182 CF_EOF
3183 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
3184    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
3185 ifelse($3,,      :,[      $3])
3186 ifelse($4,,,[   else
3187       $4])
3188    fi
3189 ifelse($4,,,[else
3190    $4])
3191 fi
3192 rm -rf conftest* *~conftest*
3193 ])dnl
3194 dnl ---------------------------------------------------------------------------
3195 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
3196 dnl ---------------
3197 dnl $1 = cache variable to update
3198 dnl $2 = program name
3199 dnl Verify version of GNAT or related tool
3200 AC_DEFUN([CF_GNAT_VERSION],
3201 [
3202 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
3203 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
3204         grep '[[0-9]].[[0-9]][[0-9]]*' |\
3205         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
3206 ])
3207 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
3208 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
3209 ])dnl
3210 dnl ---------------------------------------------------------------------------
3211 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
3212 dnl -------------
3213 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
3214 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
3215 dnl (or misfeature) of glibc2, which breaks portability of many applications,
3216 dnl since it is interwoven with GNU extensions.
3217 dnl
3218 dnl Well, yes we could work around it...
3219 dnl
3220 dnl Parameters:
3221 dnl     $1 is the nominal value for _XOPEN_SOURCE
3222 AC_DEFUN([CF_GNU_SOURCE],
3223 [
3224 cf_gnu_xopen_source=ifelse($1,,500,$1)
3225
3226 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
3227 AC_TRY_COMPILE([#include <sys/types.h>],[
3228         #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
3229                 return 0;
3230         #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
3231                 return 0;
3232         #else
3233         #       error not GNU C library
3234         #endif],
3235         [cf_cv_gnu_library=yes],
3236         [cf_cv_gnu_library=no])
3237 ])
3238
3239 if test x$cf_cv_gnu_library = xyes; then
3240
3241         # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
3242         # was changed to help a little.  newlib incorporated the change about 4
3243         # years later.
3244         AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
3245                 cf_save="$CPPFLAGS"
3246                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
3247                 AC_TRY_COMPILE([#include <sys/types.h>],[
3248                         #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
3249                                 return 0;
3250                         #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
3251                                 return 0;
3252                         #else
3253                         #       error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
3254                         #endif],
3255                         [cf_cv_gnu_library_219=yes],
3256                         [cf_cv_gnu_library_219=no])
3257                 CPPFLAGS="$cf_save"
3258         ])
3259
3260         if test "x$cf_cv_gnu_library_219" = xyes; then
3261                 cf_save="$CPPFLAGS"
3262                 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
3263                         CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
3264                         AC_TRY_COMPILE([
3265                                 #include <limits.h>
3266                                 #include <sys/types.h>
3267                                 ],[
3268                                 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
3269                                         return 0;
3270                                 #else
3271                                 #       error GNU C library is too old
3272                                 #endif],
3273                                 [cf_cv_gnu_dftsrc_219=yes],
3274                                 [cf_cv_gnu_dftsrc_219=no])
3275                         ])
3276                 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
3277         else
3278                 cf_cv_gnu_dftsrc_219=maybe
3279         fi
3280
3281         if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
3282
3283                 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
3284                 AC_TRY_COMPILE([#include <sys/types.h>],[
3285                         #ifndef _XOPEN_SOURCE
3286                         #error  expected _XOPEN_SOURCE to be defined
3287                         #endif],
3288                         [cf_cv_gnu_source=no],
3289                         [cf_save="$CPPFLAGS"
3290                          CF_ADD_CFLAGS(-D_GNU_SOURCE)
3291                          AC_TRY_COMPILE([#include <sys/types.h>],[
3292                                 #ifdef _XOPEN_SOURCE
3293                                 #error  expected _XOPEN_SOURCE to be undefined
3294                                 #endif],
3295                                 [cf_cv_gnu_source=no],
3296                                 [cf_cv_gnu_source=yes])
3297                         CPPFLAGS="$cf_save"
3298                         ])
3299                 ])
3300
3301                 if test "$cf_cv_gnu_source" = yes
3302                 then
3303                 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
3304                         CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
3305                         AC_TRY_COMPILE([#include <sys/types.h>],[
3306                                 #ifdef _DEFAULT_SOURCE
3307                                 #error  expected _DEFAULT_SOURCE to be undefined
3308                                 #endif],
3309                                 [cf_cv_default_source=no],
3310                                 [cf_cv_default_source=yes])
3311                         ])
3312                         if test "$cf_cv_default_source" = yes
3313                         then
3314                                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
3315                         fi
3316                 fi
3317         fi
3318
3319 fi
3320 ])dnl
3321 dnl ---------------------------------------------------------------------------
3322 dnl CF_GPP_LIBRARY version: 12 updated: 2015/04/17 21:13:04
3323 dnl --------------
3324 dnl If we're trying to use g++, test if libg++ is installed (a rather common
3325 dnl problem :-).  If we have the compiler but no library, we'll be able to
3326 dnl configure, but won't be able to build the c++ demo program.
3327 AC_DEFUN([CF_GPP_LIBRARY],
3328 [
3329 cf_cxx_library=unknown
3330 case $cf_cv_system_name in
3331 (os2*)
3332         cf_gpp_libname=gpp
3333         ;;
3334 (*)
3335         cf_gpp_libname=g++
3336         ;;
3337 esac
3338 if test "$GXX" = yes; then
3339         AC_MSG_CHECKING([for lib$cf_gpp_libname])
3340         cf_save="$LIBS"
3341         CF_ADD_LIB($cf_gpp_libname)
3342         AC_TRY_LINK([
3343 #include <$cf_gpp_libname/builtin.h>
3344         ],
3345         [two_arg_error_handler_t foo2 = lib_error_handler],
3346         [cf_cxx_library=yes
3347          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
3348          if test "$cf_gpp_libname" = cpp ; then
3349             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
3350          else
3351             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
3352          fi],
3353         [AC_TRY_LINK([
3354 #include <builtin.h>
3355         ],
3356         [two_arg_error_handler_t foo2 = lib_error_handler],
3357         [cf_cxx_library=yes
3358          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
3359          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
3360         [cf_cxx_library=no])])
3361         LIBS="$cf_save"
3362         AC_MSG_RESULT($cf_cxx_library)
3363 fi
3364 ])dnl
3365 dnl ---------------------------------------------------------------------------
3366 dnl CF_GXX_VERSION version: 8 updated: 2017/02/11 14:48:57
3367 dnl --------------
3368 dnl Check for version of g++
3369 AC_DEFUN([CF_GXX_VERSION],[
3370 AC_REQUIRE([AC_PROG_CPP])
3371 GXX_VERSION=none
3372 if test "$GXX" = yes; then
3373         AC_MSG_CHECKING(version of ${CXX:-g++})
3374         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
3375         if test -z "$GXX_VERSION"
3376         then
3377                 GXX_VERSION=unknown
3378                 GXX=no
3379         fi
3380         AC_MSG_RESULT($GXX_VERSION)
3381 fi
3382 ])dnl
3383 dnl ---------------------------------------------------------------------------
3384 dnl CF_GXX_WARNINGS version: 9 updated: 2015/04/17 21:13:04
3385 dnl ---------------
3386 dnl Check if the compiler supports useful warning options.
3387 dnl
3388 dnl Most of gcc's options apply to g++, except:
3389 dnl     -Wbad-function-cast
3390 dnl     -Wmissing-declarations
3391 dnl     -Wnested-externs
3392 dnl
3393 dnl Omit a few (for now):
3394 dnl     -Winline
3395 dnl
3396 dnl Parameter:
3397 dnl     $1 is an optional list of g++ warning flags that a particular
3398 dnl             application might want to use, e.g., "no-unused" for
3399 dnl             -Wno-unused
3400 dnl Special:
3401 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
3402 dnl
3403 AC_DEFUN([CF_GXX_WARNINGS],
3404 [
3405
3406 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
3407 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
3408
3409 AC_REQUIRE([CF_GXX_VERSION])
3410
3411 AC_LANG_SAVE
3412 AC_LANG_CPLUSPLUS
3413
3414 cat > conftest.$ac_ext <<EOF
3415 #line __oline__ "configure"
3416 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
3417 EOF
3418
3419 if test "$INTEL_CPLUSPLUS" = yes
3420 then
3421 # The "-wdXXX" options suppress warnings:
3422 # remark #1419: external declaration in primary source file
3423 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
3424 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
3425 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
3426 # remark #193: zero used for undefined preprocessing identifier
3427 # remark #593: variable "curs_sb_left_arrow" was set but never used
3428 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
3429 # remark #869: parameter "tw" was never referenced
3430 # remark #981: operands are evaluated in unspecified order
3431 # warning #269: invalid format string conversion
3432
3433         AC_CHECKING([for $CC warning options])
3434         cf_save_CXXFLAGS="$CXXFLAGS"
3435         EXTRA_CXXFLAGS="-Wall"
3436         for cf_opt in \
3437                 wd1419 \
3438                 wd1682 \
3439                 wd1683 \
3440                 wd1684 \
3441                 wd193 \
3442                 wd279 \
3443                 wd593 \
3444                 wd810 \
3445                 wd869 \
3446                 wd981
3447         do
3448                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
3449                 if AC_TRY_EVAL(ac_compile); then
3450                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
3451                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
3452                 fi
3453         done
3454         CXXFLAGS="$cf_save_CXXFLAGS"
3455
3456 elif test "$GXX" = yes
3457 then
3458         AC_CHECKING([for $CXX warning options])
3459         cf_save_CXXFLAGS="$CXXFLAGS"
3460         EXTRA_CXXFLAGS="-W -Wall"
3461         cf_gxx_extra_warnings=""
3462         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
3463         case "$GCC_VERSION" in
3464         ([[1-2]].*)
3465                 ;;
3466         (*)
3467                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
3468                 ;;
3469         esac
3470         for cf_opt in \
3471                 Wabi \
3472                 fabi-version=0 \
3473                 Wextra \
3474                 Wignored-qualifiers \
3475                 Wlogical-op \
3476                 Woverloaded-virtual \
3477                 Wsign-promo \
3478                 Wsynth \
3479                 Wold-style-cast \
3480                 Wcast-align \
3481                 Wcast-qual \
3482                 Wpointer-arith \
3483                 Wshadow \
3484                 Wundef $cf_gxx_extra_warnings $1
3485         do
3486                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
3487                 if AC_TRY_EVAL(ac_compile); then
3488                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
3489                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
3490                 else
3491                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
3492                 fi
3493         done
3494         CXXFLAGS="$cf_save_CXXFLAGS"
3495 fi
3496
3497 rm -rf conftest*
3498 AC_LANG_RESTORE
3499 AC_SUBST(EXTRA_CXXFLAGS)
3500 ])dnl
3501 dnl ---------------------------------------------------------------------------
3502 dnl CF_HASHED_DB version: 7 updated: 2015/04/18 08:56:57
3503 dnl ------------
3504 dnl Look for an instance of the Berkeley hashed database.
3505 dnl
3506 dnl $1 = optional parameter, to specify install-prefix for the database.
3507 AC_DEFUN([CF_HASHED_DB],
3508 [
3509 ifelse([$1],,,[
3510 case $1 in
3511 (yes|*able*)
3512         ;;
3513 (*)
3514         if test -d "$1" ; then
3515                 CF_ADD_INCDIR($1/include)
3516                 CF_ADD_LIBDIR($1/lib)
3517         else
3518                 case "$1" in
3519                 (./*|../*|/*)
3520                         AC_MSG_WARN(no such directory $1)
3521                         ;;
3522                 (*)
3523                         CF_FIND_SUB_INCDIR($1)
3524                         CF_FIND_SUB_LIBDIR($1)
3525                         ;;
3526                 esac
3527         fi
3528 esac
3529 ])
3530 AC_CHECK_HEADER(db.h,[
3531 CF_HASHED_DB_VERSION
3532 if test "$cf_cv_hashed_db_version" = unknown ; then
3533         AC_MSG_ERROR(Cannot determine version of db)
3534 else
3535         CF_HASHED_DB_LIBS
3536         if test "$cf_cv_hashed_db_libs" = unknown ; then
3537                 AC_MSG_ERROR(Cannot determine library for db)
3538         elif test "$cf_cv_hashed_db_libs" != default ; then
3539                 CF_ADD_LIB($cf_cv_hashed_db_libs)
3540         fi
3541 fi
3542 ],[
3543         AC_MSG_ERROR(Cannot find db.h)
3544 ])
3545 ])dnl
3546 dnl ---------------------------------------------------------------------------
3547 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
3548 dnl -----------------
3549 dnl Given that we have the header and version for hashed database, find the
3550 dnl library information.
3551 AC_DEFUN([CF_HASHED_DB_LIBS],
3552 [
3553 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
3554 cf_cv_hashed_db_libs=unknown
3555 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
3556 do
3557         cf_save_libs="$LIBS"
3558         if test -n "$cf_db_libs"; then
3559                 CF_ADD_LIB($cf_db_libs)
3560         fi
3561         CF_MSG_LOG(checking for library "$cf_db_libs")
3562         AC_TRY_LINK([
3563 $ac_includes_default
3564 #include <db.h>
3565 ],[
3566         char *path = "/tmp/foo";
3567 #ifdef DB_VERSION_MAJOR
3568 #if DB_VERSION_MAJOR >= 4
3569         DB *result = 0;
3570         db_create(&result, NULL, 0);
3571         result->open(result,
3572                 NULL,
3573                 path,
3574                 path,
3575                 DB_HASH,
3576                 DB_CREATE,
3577                 0644);
3578 #elif DB_VERSION_MAJOR >= 3
3579         DB *result = 0;
3580         db_create(&result, NULL, 0);
3581         result->open(result,
3582                 path,
3583                 path,
3584                 DB_HASH,
3585                 DB_CREATE,
3586                 0644);
3587 #elif DB_VERSION_MAJOR >= 2
3588         DB *result = 0;
3589         db_open(path,
3590                 DB_HASH,
3591                 DB_CREATE,
3592                 0644,
3593                 (DB_ENV *) 0,
3594                 (DB_INFO *) 0,
3595                 &result);
3596 #endif /* DB_VERSION_MAJOR */
3597 #else
3598         DB *result = dbopen(path,
3599                      2,
3600                      0644,
3601                      DB_HASH,
3602                      0);
3603 #endif
3604         ${cf_cv_main_return:-return}(result != 0)
3605 ],[
3606         if test -n "$cf_db_libs" ; then
3607                 cf_cv_hashed_db_libs=$cf_db_libs
3608         else
3609                 cf_cv_hashed_db_libs=default
3610         fi
3611         LIBS="$cf_save_libs"
3612         break
3613 ])
3614         LIBS="$cf_save_libs"
3615 done
3616 ])
3617 ])dnl
3618 dnl ---------------------------------------------------------------------------
3619 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
3620 dnl --------------------
3621 dnl Given that we have the header file for hashed database, find the version
3622 dnl information.
3623 AC_DEFUN([CF_HASHED_DB_VERSION],
3624 [
3625 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
3626 cf_cv_hashed_db_version=unknown
3627
3628 for cf_db_version in 1 2 3 4 5 6
3629 do
3630         CF_MSG_LOG(checking for db version $cf_db_version)
3631         AC_TRY_COMPILE([
3632 $ac_includes_default
3633 #include <db.h>
3634
3635 #ifdef DB_VERSION_MAJOR
3636         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
3637 #if $cf_db_version == DB_VERSION_MAJOR
3638         /* ok */
3639 #else
3640         make an error
3641 #endif
3642 #else
3643 #if $cf_db_version == 1
3644         /* ok: assuming this is DB 1.8.5 */
3645 #else
3646         make an error
3647 #endif
3648 #endif
3649 ],[DBT *foo = 0],[
3650         cf_cv_hashed_db_version=$cf_db_version
3651         break
3652         ])
3653 done
3654 ])
3655 ])dnl
3656 dnl ---------------------------------------------------------------------------
3657 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
3658 dnl --------------
3659 dnl Construct a search-list of directories for a nonstandard header-file
3660 dnl
3661 dnl Parameters
3662 dnl     $1 = the variable to return as result
3663 dnl     $2 = the package name
3664 AC_DEFUN([CF_HEADER_PATH],
3665 [
3666 $1=
3667
3668 # collect the current set of include-directories from compiler flags
3669 cf_header_path_list=""
3670 if test -n "${CFLAGS}${CPPFLAGS}" ; then
3671         for cf_header_path in $CPPFLAGS $CFLAGS
3672         do
3673                 case $cf_header_path in
3674                 (-I*)
3675                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
3676                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
3677                         cf_header_path_list="$cf_header_path_list [$]$1"
3678                         ;;
3679                 esac
3680         done
3681 fi
3682
3683 # add the variations for the package we are looking for
3684 CF_SUBDIR_PATH($1,$2,include)
3685
3686 test "$includedir" != NONE && \
3687 test "$includedir" != "/usr/include" && \
3688 test -d "$includedir" && {
3689         test -d $includedir &&    $1="[$]$1 $includedir"
3690         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
3691 }
3692
3693 test "$oldincludedir" != NONE && \
3694 test "$oldincludedir" != "/usr/include" && \
3695 test -d "$oldincludedir" && {
3696         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
3697         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
3698 }
3699
3700 $1="[$]$1 $cf_header_path_list"
3701 ])dnl
3702 dnl ---------------------------------------------------------------------------
3703 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
3704 dnl ---------------
3705 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
3706 AC_DEFUN([CF_HELP_MESSAGE],
3707 [CF_ACVERSION_CHECK(2.53,[],[
3708 AC_DIVERT_HELP($1)])dnl
3709 ])dnl
3710 dnl ---------------------------------------------------------------------------
3711 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
3712 dnl ---------------
3713 dnl Construct the list of include-options according to whether we're building
3714 dnl in the source directory or using '--srcdir=DIR' option.
3715 AC_DEFUN([CF_INCLUDE_DIRS],
3716 [
3717 if test "$srcdir" != "."; then
3718         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
3719 fi
3720 CPPFLAGS="-I../include $CPPFLAGS"
3721 if test "$srcdir" != "."; then
3722         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
3723 fi
3724 CPPFLAGS="-I. $CPPFLAGS"
3725 AC_SUBST(CPPFLAGS)
3726 ])dnl
3727 dnl ---------------------------------------------------------------------------
3728 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
3729 dnl ---------------
3730 dnl prompt for/fill-in useful install-program options
3731 AC_DEFUN([CF_INSTALL_OPTS],
3732 [
3733 CF_INSTALL_OPT_S
3734 CF_INSTALL_OPT_P
3735 CF_INSTALL_OPT_O
3736 ])dnl
3737 dnl ---------------------------------------------------------------------------
3738 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
3739 dnl ----------------
3740 dnl Almost all "install" programs default to the current user's ownership.
3741 dnl Almost - MINIX is an exception.
3742 AC_DEFUN([CF_INSTALL_OPT_O],
3743 [
3744 AC_MSG_CHECKING(if install needs to be told about ownership)
3745 case `$ac_config_guess` in
3746 (*minix)
3747         with_install_o=yes
3748         ;;
3749 (*)
3750         with_install_o=no
3751         ;;
3752 esac
3753
3754 AC_MSG_RESULT($with_install_o)
3755 if test "x$with_install_o" = xyes
3756 then
3757         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'`
3758 else
3759         INSTALL_OPT_O=
3760 fi