Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright 2018-2020,2021 Thomas E. Dickey                                *
   3 dnl Copyright 2010-2017,2018 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
  31 dnl
  32 dnl $Id: aclocal.m4,v 1.176 2021/06/19 23:44:07 tom Exp $
  33 dnl Macros used in NCURSES Ada95 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 CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
  46 dnl ------------------
  47 dnl Conditionally generate script according to whether we're using a given autoconf.
  48 dnl
  49 dnl $1 = version to compare against
  50 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  51 dnl $3 = code to use if AC_ACVERSION is older than $1.
  52 define([CF_ACVERSION_CHECK],
  53 [
  54 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
  55 ifdef([m4_version_compare],
  56 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  57 [CF_ACVERSION_COMPARE(
  58 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  59 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  60 dnl ---------------------------------------------------------------------------
  61 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
  62 dnl --------------------
  63 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  64 dnl                      MAJOR2, MINOR2, TERNARY2,
  65 dnl                      PRINTABLE2, not FOUND, FOUND)
  66 define([CF_ACVERSION_COMPARE],
  67 [ifelse(builtin([eval], [$2 < $5]), 1,
  68 [ifelse([$8], , ,[$8])],
  69 [ifelse([$9], , ,[$9])])])dnl
  70 dnl ---------------------------------------------------------------------------
  71 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
  72 dnl -------------------
  73 dnl Construct the list of include-options for the C programs in the Ada95
  74 dnl binding.
  75 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  76 [
  77 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  78 if test "$srcdir" != "."; then
  79         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
  80 fi
  81 if test "$GCC" != yes; then
  82         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  83 elif test "$includedir" != "/usr/include"; then
  84         if test "$includedir" = '${prefix}/include' ; then
  85                 if test x$prefix != x/usr ; then
  86                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  87                 fi
  88         else
  89                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  90         fi
  91 fi
  92 AC_SUBST(ACPPFLAGS)
  93 ])dnl
  94 dnl ---------------------------------------------------------------------------
  95 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
  96 dnl ---------------
  97 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
  98 AC_DEFUN([CF_ADD_ADAFLAGS],[
  99         ADAFLAGS="$ADAFLAGS $1"
 100         AC_SUBST(ADAFLAGS)
 101 ])dnl
 102 dnl ---------------------------------------------------------------------------
 103 dnl CF_ADD_CFLAGS version: 15 updated: 2020/12/31 10:54:15
 104 dnl -------------
 105 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 106 dnl $1 = flags to add
 107 dnl $2 = if given makes this macro verbose.
 108 dnl
 109 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 110 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 111 dnl confused by the quotes (which require backslashes to keep them usable).
 112 AC_DEFUN([CF_ADD_CFLAGS],
 113 [
 114 cf_fix_cppflags=no
 115 cf_new_cflags=
 116 cf_new_cppflags=
 117 cf_new_extra_cppflags=
 118
 119 for cf_add_cflags in $1
 120 do
 121 case "$cf_fix_cppflags" in
 122 (no)
 123         case "$cf_add_cflags" in
 124         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 125                 case "$cf_add_cflags" in
 126                 (-D*)
 127                         cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 128
 129                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 130                                 && test -z "${cf_tst_cflags}" \
 131                                 && cf_fix_cppflags=yes
 132
 133                         if test "$cf_fix_cppflags" = yes ; then
 134                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 135                                 continue
 136                         elif test "${cf_tst_cflags}" = "\"'" ; then
 137                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 138                                 continue
 139                         fi
 140                         ;;
 141                 esac
 142                 case "$CPPFLAGS" in
 143                 (*$cf_add_cflags)
 144                         ;;
 145                 (*)
 146                         case "$cf_add_cflags" in
 147                         (-D*)
 148                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 149                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 150                                 ;;
 151                         esac
 152                         CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
 153                         ;;
 154                 esac
 155                 ;;
 156         (*)
 157                 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
 158                 ;;
 159         esac
 160         ;;
 161 (yes)
 162         CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 163
 164         cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'`
 165
 166         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 167                 && test -z "${cf_tst_cflags}" \
 168                 && cf_fix_cppflags=no
 169         ;;
 170 esac
 171 done
 172
 173 if test -n "$cf_new_cflags" ; then
 174         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 175         CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
 176 fi
 177
 178 if test -n "$cf_new_cppflags" ; then
 179         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 180         CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
 181 fi
 182
 183 if test -n "$cf_new_extra_cppflags" ; then
 184         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 185         CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
 186 fi
 187
 188 AC_SUBST(EXTRA_CPPFLAGS)
 189
 190 ])dnl
 191 dnl ---------------------------------------------------------------------------
 192 dnl CF_ADD_INCDIR version: 16 updated: 2020/12/31 20:19:42
 193 dnl -------------
 194 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 195 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 196 dnl but old versions (and some misinstalled ones) need that.  To make things
 197 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 198 dnl the include-path).
 199 AC_DEFUN([CF_ADD_INCDIR],
 200 [
 201 if test -n "$1" ; then
 202   for cf_add_incdir in $1
 203   do
 204         while test "$cf_add_incdir" != /usr/include
 205         do
 206           if test -d "$cf_add_incdir"
 207           then
 208                 cf_have_incdir=no
 209                 if test -n "$CFLAGS$CPPFLAGS" ; then
 210                   # a loop is needed to ensure we can add subdirs of existing dirs
 211                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 212                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 213                           cf_have_incdir=yes; break
 214                         fi
 215                   done
 216                 fi
 217
 218                 if test "$cf_have_incdir" = no ; then
 219                   if test "$cf_add_incdir" = /usr/local/include ; then
 220                         if test "$GCC" = yes
 221                         then
 222                           cf_save_CPPFLAGS=$CPPFLAGS
 223                           CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
 224                           AC_TRY_COMPILE([#include <stdio.h>],
 225                                   [printf("Hello")],
 226                                   [],
 227                                   [cf_have_incdir=yes])
 228                           CPPFLAGS=$cf_save_CPPFLAGS
 229                         fi
 230                   fi
 231                 fi
 232
 233                 if test "$cf_have_incdir" = no ; then
 234                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 235                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 236
 237                   cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 238                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 239                   cf_add_incdir="$cf_top_incdir"
 240                 else
 241                   break
 242                 fi
 243           else
 244                 break
 245           fi
 246         done
 247   done
 248 fi
 249 ])dnl
 250 dnl ---------------------------------------------------------------------------
 251 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 252 dnl ----------
 253 dnl Add a library, used to enforce consistency.
 254 dnl
 255 dnl $1 = library to add, without the "-l"
 256 dnl $2 = variable to update (default $LIBS)
 257 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 258 dnl ---------------------------------------------------------------------------
 259 dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42
 260 dnl -------------
 261 dnl     Adds to the library-path
 262 dnl
 263 dnl     Some machines have trouble with multiple -L options.
 264 dnl
 265 dnl $1 is the (list of) directory(s) to add
 266 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 267 dnl
 268 AC_DEFUN([CF_ADD_LIBDIR],
 269 [
 270 if test -n "$1" ; then
 271         for cf_add_libdir in $1
 272         do
 273                 if test "$cf_add_libdir" = /usr/lib ; then
 274                         :
 275                 elif test -d "$cf_add_libdir"
 276                 then
 277                         cf_have_libdir=no
 278                         if test -n "$LDFLAGS$LIBS" ; then
 279                                 # a loop is needed to ensure we can add subdirs of existing dirs
 280                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 281                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 282                                                 cf_have_libdir=yes; break
 283                                         fi
 284                                 done
 285                         fi
 286                         if test "$cf_have_libdir" = no ; then
 287                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 288                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 289                         fi
 290                 fi
 291         done
 292 fi
 293 ])dnl
 294 dnl ---------------------------------------------------------------------------
 295 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
 296 dnl -----------
 297 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 298 dnl prepended to an existing list, since their dependencies are assumed to
 299 dnl already exist in the list.
 300 dnl
 301 dnl $1 = libraries to add, with the "-l", etc.
 302 dnl $2 = variable to update (default $LIBS)
 303 AC_DEFUN([CF_ADD_LIBS],[
 304 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
 305 # reverse order
 306 cf_add_0lib=
 307 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
 308 # filter duplicates
 309 for cf_add_1lib in $cf_add_0lib; do
 310         for cf_add_2lib in $cf_add_libs; do
 311                 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 312                         cf_add_1lib=
 313                         break
 314                 fi
 315         done
 316         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 317 done
 318 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 319 ])dnl
 320 dnl ---------------------------------------------------------------------------
 321 dnl CF_ADD_SUBDIR_PATH version: 5 updated: 2020/12/31 20:19:42
 322 dnl ------------------
 323 dnl Append to a search-list for a nonstandard header/lib-file
 324 dnl     $1 = the variable to return as result
 325 dnl     $2 = the package name
 326 dnl     $3 = the subdirectory, e.g., bin, include or lib
 327 dnl $4 = the directory under which we will test for subdirectories
 328 dnl $5 = a directory that we do not want $4 to match
 329 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 330 [
 331 test "x$4" != "x$5" && \
 332 test -d "$4" && \
 333 ifelse([$5],NONE,,[{ test -z "$5" || test "x$5" = xNONE || test "x$4" != "x$5"; } &&]) {
 334         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 335         test -d "$4/$3" &&          $1="[$]$1 $4/$3"
 336         test -d "$4/$3/$2" &&       $1="[$]$1 $4/$3/$2"
 337         test -d "$4/$3/$2/$3" &&    $1="[$]$1 $4/$3/$2/$3"
 338         test -d "$4/$2/$3" &&       $1="[$]$1 $4/$2/$3"
 339         test -d "$4/$2/$3/$2" &&    $1="[$]$1 $4/$2/$3/$2"
 340 }
 341 ])dnl
 342 dnl ---------------------------------------------------------------------------
 343 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
 344 dnl --------------
 345 dnl use this macro for appending text without introducing an extra blank at
 346 dnl the beginning
 347 define([CF_APPEND_TEXT],
 348 [
 349         test -n "[$]$1" && $1="[$]$1 "
 350         $1="[$]{$1}$2"
 351 ])dnl
 352 dnl ---------------------------------------------------------------------------
 353 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 354 dnl --------------
 355 dnl Allow user to disable a normally-on option.
 356 AC_DEFUN([CF_ARG_DISABLE],
 357 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 358 dnl ---------------------------------------------------------------------------
 359 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
 360 dnl -------------
 361 dnl Allow user to enable a normally-off option.
 362 AC_DEFUN([CF_ARG_ENABLE],
 363 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
 364 dnl ---------------------------------------------------------------------------
 365 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 366 dnl -------------
 367 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 368 dnl values.
 369 dnl
 370 dnl Parameters:
 371 dnl $1 = option name
 372 dnl $2 = help-string
 373 dnl $3 = action to perform if option is not default
 374 dnl $4 = action if perform if option is default
 375 dnl $5 = default option value (either 'yes' or 'no')
 376 AC_DEFUN([CF_ARG_OPTION],
 377 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 378         if test "$enableval" != "$5" ; then
 379 ifelse([$3],,[    :]dnl
 380 ,[    $3]) ifelse([$4],,,[
 381         else
 382                 $4])
 383         fi],[enableval=$5 ifelse([$4],,,[
 384         $4
 385 ])dnl
 386 ])])dnl
 387 dnl ---------------------------------------------------------------------------
 388 dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04
 389 dnl -----------
 390 dnl Check for suitable "ar" (archiver) options for updating an archive.
 391 dnl
 392 dnl In particular, handle some obsolete cases where the "-" might be omitted,
 393 dnl as well as a workaround for breakage of make's archive rules by the GNU
 394 dnl binutils "ar" program.
 395 AC_DEFUN([CF_AR_FLAGS],[
 396 AC_REQUIRE([CF_PROG_AR])
 397
 398 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 399         case "$cf_cv_system_name" in
 400         (*-msvc*)
 401                 cf_cv_ar_flags=''
 402                 cat >mk_static_lib.sh <<-EOF
 403                 #!$SHELL
 404                 MSVC_BIN="[$]AR"
 405                 out="\[$]1"
 406                 shift
 407                 exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
 408                 EOF
 409                 chmod +x mk_static_lib.sh
 410                 AR=`pwd`/mk_static_lib.sh
 411                 ;;
 412         (*)
 413                 cf_cv_ar_flags=unknown
 414                 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
 415                 do
 416
 417                         # check if $ARFLAGS already contains this choice
 418                         if test "x$ARFLAGS" != "x" ; then
 419                                 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 420                                 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 421                                         cf_cv_ar_flags=
 422                                         break
 423                                 fi
 424                         fi
 425
 426                         rm -f "conftest.$ac_cv_objext"
 427                         rm -f conftest.a
 428
 429                         cat >"conftest.$ac_ext" <<EOF
 430 #line __oline__ "configure"
 431 int     testdata[[3]] = { 123, 456, 789 };
 432 EOF
 433                         if AC_TRY_EVAL(ac_compile) ; then
 434                                 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 435                                 $AR $ARFLAGS "$cf_ar_flags" conftest.a "conftest.$ac_cv_objext" 2>&AC_FD_CC 1>/dev/null
 436                                 if test -f conftest.a ; then
 437                                         cf_cv_ar_flags="$cf_ar_flags"
 438                                         break
 439                                 fi
 440                         else
 441                                 CF_VERBOSE(cannot compile test-program)
 442                                 break
 443                         fi
 444                 done
 445                 rm -f conftest.a "conftest.$ac_ext" "conftest.$ac_cv_objext"
 446                 ;;
 447         esac
 448 ])
 449
 450 if test -n "$ARFLAGS" ; then
 451         if test -n "$cf_cv_ar_flags" ; then
 452                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 453         fi
 454 else
 455         ARFLAGS=$cf_cv_ar_flags
 456 fi
 457
 458 AC_SUBST(ARFLAGS)
 459 ])
 460 dnl ---------------------------------------------------------------------------
 461 dnl CF_BUILD_CC version: 9 updated: 2021/01/02 09:31:20
 462 dnl -----------
 463 dnl If we're cross-compiling, allow the user to override the tools and their
 464 dnl options.  The configure script is oriented toward identifying the host
 465 dnl compiler, etc., but we need a build compiler to generate parts of the
 466 dnl source.
 467 dnl
 468 dnl $1 = default for $CPPFLAGS
 469 dnl $2 = default for $LIBS
 470 AC_DEFUN([CF_BUILD_CC],[
 471 CF_ACVERSION_CHECK(2.52,,
 472         [AC_REQUIRE([CF_PROG_EXT])])
 473 if test "$cross_compiling" = yes ; then
 474
 475         # defaults that we might want to override
 476         : ${BUILD_CFLAGS:=''}
 477         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 478         : ${BUILD_LDFLAGS:=''}
 479         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 480         : ${BUILD_EXEEXT:='$x'}
 481         : ${BUILD_OBJEXT:='o'}
 482
 483         AC_ARG_WITH(build-cc,
 484                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 485                 [BUILD_CC="$withval"],
 486                 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
 487         AC_MSG_CHECKING(for native build C compiler)
 488         AC_MSG_RESULT($BUILD_CC)
 489
 490         AC_MSG_CHECKING(for native build C preprocessor)
 491         AC_ARG_WITH(build-cpp,
 492                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 493                 [BUILD_CPP="$withval"],
 494                 [BUILD_CPP='${BUILD_CC} -E'])
 495         AC_MSG_RESULT($BUILD_CPP)
 496
 497         AC_MSG_CHECKING(for native build C flags)
 498         AC_ARG_WITH(build-cflags,
 499                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 500                 [BUILD_CFLAGS="$withval"])
 501         AC_MSG_RESULT($BUILD_CFLAGS)
 502
 503         AC_MSG_CHECKING(for native build C preprocessor-flags)
 504         AC_ARG_WITH(build-cppflags,
 505                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 506                 [BUILD_CPPFLAGS="$withval"])
 507         AC_MSG_RESULT($BUILD_CPPFLAGS)
 508
 509         AC_MSG_CHECKING(for native build linker-flags)
 510         AC_ARG_WITH(build-ldflags,
 511                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 512                 [BUILD_LDFLAGS="$withval"])
 513         AC_MSG_RESULT($BUILD_LDFLAGS)
 514
 515         AC_MSG_CHECKING(for native build linker-libraries)
 516         AC_ARG_WITH(build-libs,
 517                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 518                 [BUILD_LIBS="$withval"])
 519         AC_MSG_RESULT($BUILD_LIBS)
 520
 521         # this assumes we're on Unix.
 522         BUILD_EXEEXT=
 523         BUILD_OBJEXT=o
 524
 525         : ${BUILD_CC:='${CC}'}
 526
 527         if { test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}'; } ; then
 528                 AC_MSG_ERROR([Cross-build requires two compilers.
 529 Use --with-build-cc to specify the native compiler.])
 530         fi
 531
 532 else
 533         : ${BUILD_CC:='${CC}'}
 534         : ${BUILD_CPP:='${CPP}'}
 535         : ${BUILD_CFLAGS:='${CFLAGS}'}
 536         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 537         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 538         : ${BUILD_LIBS:='${LIBS}'}
 539         : ${BUILD_EXEEXT:='$x'}
 540         : ${BUILD_OBJEXT:='o'}
 541 fi
 542
 543 AC_SUBST(BUILD_CC)
 544 AC_SUBST(BUILD_CPP)
 545 AC_SUBST(BUILD_CFLAGS)
 546 AC_SUBST(BUILD_CPPFLAGS)
 547 AC_SUBST(BUILD_LDFLAGS)
 548 AC_SUBST(BUILD_LIBS)
 549 AC_SUBST(BUILD_EXEEXT)
 550 AC_SUBST(BUILD_OBJEXT)
 551 ])dnl
 552 dnl ---------------------------------------------------------------------------
 553 dnl CF_C11_NORETURN version: 3 updated: 2021/03/28 11:36:23
 554 dnl ---------------
 555 AC_DEFUN([CF_C11_NORETURN],
 556 [
 557 AC_MSG_CHECKING(if you want to use C11 _Noreturn feature)
 558 CF_ARG_ENABLE(stdnoreturn,
 559         [  --enable-stdnoreturn    enable C11 _Noreturn feature for diagnostics],
 560         [enable_stdnoreturn=yes],
 561         [enable_stdnoreturn=no])
 562 AC_MSG_RESULT($enable_stdnoreturn)
 563
 564 if test $enable_stdnoreturn = yes; then
 565 AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn,
 566         [AC_TRY_COMPILE([
 567 #include <stdio.h>
 568 #include <stdlib.h>
 569 #include <stdnoreturn.h>
 570 static _Noreturn void giveup(void) { exit(0); }
 571         ],
 572         [if (feof(stdin)) giveup()],
 573         cf_cv_c11_noreturn=yes,
 574         cf_cv_c11_noreturn=no)
 575         ])
 576 else
 577         cf_cv_c11_noreturn=no,
 578 fi
 579
 580 if test "$cf_cv_c11_noreturn" = yes; then
 581         AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if <stdnoreturn.h> header is available and working])
 582         AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported])
 583         HAVE_STDNORETURN_H=1
 584 else
 585         HAVE_STDNORETURN_H=0
 586 fi
 587
 588 AC_SUBST(HAVE_STDNORETURN_H)
 589 AC_SUBST(STDC_NORETURN)
 590 ])dnl
 591 dnl ---------------------------------------------------------------------------
 592 dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
 593 dnl ---------------
 594 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 595 dnl into CC.  This will not help with broken scripts that wrap the compiler
 596 dnl with options, but eliminates a more common category of user confusion.
 597 dnl
 598 dnl In particular, it addresses the problem of being able to run the C
 599 dnl preprocessor in a consistent manner.
 600 dnl
 601 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
 602 dnl the nuisance of having inconsistent settings for compiler and preprocessor
 603 dnl outweighs that limitation.
 604 AC_DEFUN([CF_CC_ENV_FLAGS],
 605 [
 606 # This should have been defined by AC_PROG_CC
 607 : "${CC:=cc}"
 608
 609 AC_MSG_CHECKING(\$CFLAGS variable)
 610 case "x$CFLAGS" in
 611 (*-[[IUD]]*)
 612         AC_MSG_RESULT(broken)
 613         AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
 614         cf_flags="$CFLAGS"
 615         CFLAGS=
 616         for cf_arg in $cf_flags
 617         do
 618                 CF_ADD_CFLAGS($cf_arg)
 619         done
 620         ;;
 621 (*)
 622         AC_MSG_RESULT(ok)
 623         ;;
 624 esac
 625
 626 AC_MSG_CHECKING(\$CC variable)
 627 case "$CC" in
 628 (*[[\ \ ]]-*)
 629         AC_MSG_RESULT(broken)
 630         AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
 631         # humor him...
 632         cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
 633         cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
 634         CC="$cf_prog"
 635         for cf_arg in $cf_flags
 636         do
 637                 case "x$cf_arg" in
 638                 (x-[[IUDfgOW]]*)
 639                         CF_ADD_CFLAGS($cf_arg)
 640                         ;;
 641                 (*)
 642                         CC="$CC $cf_arg"
 643                         ;;
 644                 esac
 645         done
 646         CF_VERBOSE(resulting CC: '$CC')
 647         CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
 648         CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
 649         ;;
 650 (*)
 651         AC_MSG_RESULT(ok)
 652         ;;
 653 esac
 654 ])dnl
 655 dnl ---------------------------------------------------------------------------
 656 dnl CF_CFG_DEFAULTS version: 16 updated: 2021/01/04 19:33:05
 657 dnl ---------------
 658 dnl Determine the default configuration into which we'll install ncurses.  This
 659 dnl can be overridden by the user's command-line options.  There's two items to
 660 dnl look for:
 661 dnl     1. the prefix (e.g., /usr)
 662 dnl     2. the header files (e.g., /usr/include/ncurses)
 663 dnl We'll look for a previous installation of ncurses and use the same defaults.
 664 dnl
 665 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 666 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 667 dnl programs from a vendor's.
 668 AC_DEFUN([CF_CFG_DEFAULTS],
 669 [AC_REQUIRE([AC_PROG_FGREP])dnl
 670
 671 AC_MSG_CHECKING(for prefix)
 672 if test "x$prefix" = "xNONE" ; then
 673         case "$cf_cv_system_name" in
 674                 # non-vendor systems don't have a conflict
 675         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 676                 prefix=/usr
 677                 ;;
 678         (*)     prefix=$ac_default_prefix
 679                 ;;
 680         esac
 681 fi
 682 AC_MSG_RESULT($prefix)
 683
 684 if test "x$prefix" = "xNONE" ; then
 685 AC_MSG_CHECKING(for default include-directory)
 686 test -n "$verbose" && echo 1>&AC_FD_MSG
 687 for cf_symbol in \
 688         "$includedir" \
 689         "$includedir/ncurses" \
 690         "$prefix/include" \
 691         "$prefix/include/ncurses" \
 692         /usr/local/include \
 693         /usr/local/include/ncurses \
 694         /usr/include \
 695         /usr/include/ncurses
 696 do
 697         cf_dir=`eval echo "$cf_symbol"`
 698         if test -f "$cf_dir/curses.h" ; then
 699         if ( ${FGREP-fgrep} NCURSES_VERSION "$cf_dir/curses.h" >/dev/null 2>&1 ) ; then
 700                 includedir="$cf_symbol"
 701                 test -n "$verbose"  && echo $ECHO_N "   found " 1>&AC_FD_MSG
 702                 break
 703         fi
 704         fi
 705         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 706 done
 707 AC_MSG_RESULT($includedir)
 708 fi
 709 ])dnl
 710 dnl ---------------------------------------------------------------------------
 711 dnl CF_CHECK_CACHE version: 13 updated: 2020/12/31 10:54:15
 712 dnl --------------
 713 dnl Check if we're accidentally using a cache from a different machine.
 714 dnl Derive the system name, as a check for reusing the autoconf cache.
 715 dnl
 716 dnl If we've packaged config.guess and config.sub, run that (since it does a
 717 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 718 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 719 dnl which is useful in cross-compiles.
 720 dnl
 721 dnl Note: we would use $ac_config_sub, but that is one of the places where
 722 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 723 AC_DEFUN([CF_CHECK_CACHE],
 724 [
 725 if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then
 726         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 727         system_name="$host_os"
 728 else
 729         system_name="`(uname -s -r) 2>/dev/null`"
 730         if test -z "$system_name" ; then
 731                 system_name="`(hostname) 2>/dev/null`"
 732         fi
 733 fi
 734 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 735 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 736
 737 test -z "$system_name" && system_name="$cf_cv_system_name"
 738 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 739
 740 if test ".$system_name" != ".$cf_cv_system_name" ; then
 741         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 742         AC_MSG_ERROR("Please remove config.cache and try again.")
 743 fi
 744 ])dnl
 745 dnl ---------------------------------------------------------------------------
 746 dnl CF_CHECK_GNAT_VERSION version: 4 updated: 2021/01/01 13:31:04
 747 dnl ---------------------
 748 AC_DEFUN([CF_CHECK_GNAT_VERSION],
 749 [
 750 AC_REQUIRE([CF_GNAT_VERSION])
 751 case "$cf_cv_gnat_version" in
 752 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
 753         cf_cv_prog_gnat_correct=yes
 754         ;;
 755 (*)
 756         AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
 757         cf_cv_prog_gnat_correct=no
 758         ;;
 759 esac
 760 ])
 761 dnl ---------------------------------------------------------------------------
 762 dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04
 763 dnl -----------------
 764 dnl Check if the given compiler is really clang.  clang's C driver defines
 765 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 766 dnl not ignore some gcc options.
 767 dnl
 768 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 769 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 770 dnl the wrappers for gcc and g++ warnings.
 771 dnl
 772 dnl $1 = GCC (default) or GXX
 773 dnl $2 = CLANG_COMPILER (default)
 774 dnl $3 = CFLAGS (default) or CXXFLAGS
 775 AC_DEFUN([CF_CLANG_COMPILER],[
 776 ifelse([$2],,CLANG_COMPILER,[$2])=no
 777
 778 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 779         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 780         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 781         AC_TRY_COMPILE([],[
 782 #ifdef __clang__
 783 #else
 784 make an error
 785 #endif
 786 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 787 ],[])
 788         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 789         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 790 fi
 791
 792 CLANG_VERSION=none
 793
 794 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
 795         case "$CC" in
 796         (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
 797                 AC_MSG_WARN(replacing broken compiler alias $CC)
 798                 CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
 799                 CC=clang
 800                 ;;
 801         esac
 802
 803         AC_MSG_CHECKING(version of $CC)
 804         CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
 805         test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
 806         AC_MSG_RESULT($CLANG_VERSION)
 807
 808         for cf_clang_opt in \
 809                 -Qunused-arguments \
 810                 -Wno-error=implicit-function-declaration
 811         do
 812                 AC_MSG_CHECKING(if option $cf_clang_opt works)
 813                 cf_save_CFLAGS="$CFLAGS"
 814                 CFLAGS="$CFLAGS $cf_clang_opt"
 815                 AC_TRY_LINK([
 816                         #include <stdio.h>],[
 817                         printf("hello!\\n");],[
 818                         cf_clang_optok=yes],[
 819                         cf_clang_optok=no])
 820                 AC_MSG_RESULT($cf_clang_optok)
 821                 CFLAGS="$cf_save_CFLAGS"
 822                 if test "$cf_clang_optok" = yes; then
 823                         CF_VERBOSE(adding option $cf_clang_opt)
 824                         CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
 825                 fi
 826         done
 827 fi
 828 ])
 829 dnl ---------------------------------------------------------------------------
 830 dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17
 831 dnl -----------------
 832 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
 833 dnl character-strings.
 834 dnl
 835 dnl It is ambiguous because the specification accommodated the pre-ANSI
 836 dnl compilers bundled by more than one vendor in lieu of providing a standard C
 837 dnl compiler other than by costly add-ons.  Because of this, the specification
 838 dnl did not take into account the use of const for telling the compiler that
 839 dnl string literals would be in readonly memory.
 840 dnl
 841 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
 842 dnl let the compiler decide how to represent Xt's strings which were #define'd.
 843 dnl That does not solve the problem of using the block of Xt's strings which
 844 dnl are compiled into the library (and is less efficient than one might want).
 845 dnl
 846 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
 847 dnl when compiling the library and compiling using the library, to tell the
 848 dnl compiler that String is const.
 849 AC_DEFUN([CF_CONST_X_STRING],
 850 [
 851 AC_REQUIRE([AC_PATH_XTRA])
 852
 853 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
 854
 855 AC_TRY_COMPILE(
 856 [
 857 #include <stdlib.h>
 858 #include <X11/Intrinsic.h>
 859 ],
 860 [String foo = malloc(1); free((void*)foo)],[
 861
 862 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
 863         AC_TRY_COMPILE(
 864                 [
 865 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
 866 #undef  XTSTRINGDEFINES /* X11R5 and later */
 867 #include <stdlib.h>
 868 #include <X11/Intrinsic.h>
 869                 ],[String foo = malloc(1); *foo = 0],[
 870                         cf_cv_const_x_string=no
 871                 ],[
 872                         cf_cv_const_x_string=yes
 873                 ])
 874 ])
 875
 876 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
 877
 878 case "$cf_cv_const_x_string" in
 879 (no)
 880         CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
 881         ;;
 882 (*)
 883         CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
 884         ;;
 885 esac
 886
 887 ])
 888 ])dnl
 889 dnl ---------------------------------------------------------------------------
 890 dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17
 891 dnl -----------------
 892 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
 893 dnl character-strings.
 894 dnl
 895 dnl It is ambiguous because the specification accommodated the pre-ANSI
 896 dnl compilers bundled by more than one vendor in lieu of providing a standard C
 897 dnl compiler other than by costly add-ons.  Because of this, the specification
 898 dnl did not take into account the use of const for telling the compiler that
 899 dnl string literals would be in readonly memory.
 900 dnl
 901 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
 902 dnl let the compiler decide how to represent Xt's strings which were #define'd.
 903 dnl That does not solve the problem of using the block of Xt's strings which
 904 dnl are compiled into the library (and is less efficient than one might want).
 905 dnl
 906 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
 907 dnl when compiling the library and compiling using the library, to tell the
 908 dnl compiler that String is const.
 909 AC_DEFUN([CF_CONST_X_STRING],
 910 [
 911 AC_REQUIRE([AC_PATH_XTRA])
 912
 913 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
 914
 915 AC_TRY_COMPILE(
 916 [
 917 #include <stdlib.h>
 918 #include <X11/Intrinsic.h>
 919 ],
 920 [String foo = malloc(1); free((void*)foo)],[
 921
 922 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
 923         AC_TRY_COMPILE(
 924                 [
 925 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
 926 #undef  XTSTRINGDEFINES /* X11R5 and later */
 927 #include <stdlib.h>
 928 #include <X11/Intrinsic.h>
 929                 ],[String foo = malloc(1); *foo = 0],[
 930                         cf_cv_const_x_string=no
 931                 ],[
 932                         cf_cv_const_x_string=yes
 933                 ])
 934 ])
 935
 936 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
 937
 938 case "$cf_cv_const_x_string" in
 939 (no)
 940         CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
 941         ;;
 942 (*)
 943         CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
 944         ;;
 945 esac
 946
 947 ])
 948 ])dnl
 949 dnl ---------------------------------------------------------------------------
 950 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 951 dnl ----------------
 952 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 953 dnl variations of ncurses' installs.
 954 dnl
 955 dnl $1 = ncurses when looking for ncurses, or is empty
 956 AC_DEFUN([CF_CURSES_HEADER],[
 957 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 958 cf_cv_ncurses_header=none
 959 for cf_header in \
 960         ncurses.h ifelse($1,,,[$1/ncurses.h]) \
 961         curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 962 do
 963 AC_TRY_COMPILE([#include <${cf_header}>],
 964         [initscr(); tgoto("?", 0,0)],
 965         [cf_cv_ncurses_header=$cf_header; break],[])
 966 done
 967 ])
 968
 969 if test "$cf_cv_ncurses_header" = none ; then
 970         AC_MSG_ERROR(No curses header-files found)
 971 fi
 972
 973 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 974 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 975 ])dnl
 976 dnl ---------------------------------------------------------------------------
 977 dnl CF_DIRNAME version: 5 updated: 2020/12/31 20:19:42
 978 dnl ----------
 979 dnl "dirname" is not portable, so we fake it with a shell script.
 980 AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl
 981 dnl ---------------------------------------------------------------------------
 982 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 983 dnl ---------------
 984 dnl You can always use "make -n" to see the actual options, but it's hard to
 985 dnl pick out/analyze warning messages when the compile-line is long.
 986 dnl
 987 dnl Sets:
 988 dnl     ECHO_LT - symbol to control if libtool is verbose
 989 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 990 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 991 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 992 dnl     ECHO_CC - symbol to put before any "cc" line
 993 dnl
 994 AC_DEFUN([CF_DISABLE_ECHO],[
 995 AC_MSG_CHECKING(if you want to see long compiling messages)
 996 CF_ARG_DISABLE(echo,
 997         [  --disable-echo          do not display "compiling" commands],
 998         [
 999         ECHO_LT='--silent'
1000         ECHO_LD='@echo linking [$]@;'
1001         RULE_CC='@echo compiling [$]<'
1002         SHOW_CC='@echo compiling [$]@'
1003         ECHO_CC='@'
1004 ],[
1005         ECHO_LT=''
1006         ECHO_LD=''
1007         RULE_CC=''
1008         SHOW_CC=''
1009         ECHO_CC=''
1010 ])
1011 AC_MSG_RESULT($enableval)
1012 AC_SUBST(ECHO_LT)
1013 AC_SUBST(ECHO_LD)
1014 AC_SUBST(RULE_CC)
1015 AC_SUBST(SHOW_CC)
1016 AC_SUBST(ECHO_CC)
1017 ])dnl
1018 dnl ---------------------------------------------------------------------------
1019 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1020 dnl ------------------------
1021 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1022 AC_MSG_CHECKING(if we want to use GNAT projects)
1023 CF_ARG_DISABLE(gnat-projects,
1024         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1025         [enable_gnat_projects=no],
1026         [enable_gnat_projects=yes])
1027 AC_MSG_RESULT($enable_gnat_projects)
1028 ])dnl
1029 dnl ---------------------------------------------------------------------------
1030 dnl CF_ENABLE_BROKEN_LINKER version: 2 updated: 2021/01/02 17:09:14
1031 dnl -----------------------
1032 dnl Some linkers cannot reference a data-only object.  Cygwin used to be one.
1033 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
1034 dnl an unconditional feature.
1035 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
1036
1037 AC_MSG_CHECKING(if you want broken-linker support code)
1038 AC_ARG_ENABLE(broken_linker,
1039         [  --enable-broken_linker  compile with broken-linker support code],
1040         [with_broken_linker=$enableval],
1041         [with_broken_linker=no])
1042 AC_MSG_RESULT($with_broken_linker)
1043
1044 : "${BROKEN_LINKER:=0}"
1045 if test "x$with_broken_linker" = xyes ; then
1046         AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1047         BROKEN_LINKER=1
1048 fi
1049 AC_SUBST(BROKEN_LINKER)
1050 ])dnl
1051 dnl ---------------------------------------------------------------------------
1052 dnl CF_ENABLE_WARNINGS version: 9 updated: 2021/01/05 19:40:50
1053 dnl ------------------
1054 dnl Configure-option to enable gcc warnings
1055 dnl
1056 dnl $1 = extra options to add, if supported
1057 dnl $2 = option for checking attributes.  By default, this is done when
1058 dnl      warnings are enabled.  For other values:
1059 dnl      yes: always do this, e.g., to use in generated library-headers
1060 dnl      no: never do this
1061 AC_DEFUN([CF_ENABLE_WARNINGS],[
1062 if test "$GCC" = yes || test "$GXX" = yes
1063 then
1064 CF_FIX_WARNINGS(CFLAGS)
1065 CF_FIX_WARNINGS(CPPFLAGS)
1066 CF_FIX_WARNINGS(LDFLAGS)
1067 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1068 CF_ARG_ENABLE(warnings,
1069         [  --enable-warnings       test: turn on gcc compiler warnings],
1070         [enable_warnings=yes],
1071         [enable_warnings=no])
1072 AC_MSG_RESULT($enable_warnings)
1073 if test "$enable_warnings" = "yes"
1074 then
1075         ifelse($2,,[CF_GCC_ATTRIBUTES])
1076         CF_GCC_WARNINGS($1)
1077 fi
1078 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
1079 fi
1080 ])dnl
1081 dnl ---------------------------------------------------------------------------
1082 dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20
1083 dnl ---------------
1084 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
1085 dnl prefer a standard location, and use -L options only if we do not find the
1086 dnl library in the standard library location(s).
1087 dnl     $1 = library name
1088 dnl     $2 = library class, usually the same as library name
1089 dnl     $3 = includes
1090 dnl     $4 = code fragment to compile/link
1091 dnl     $5 = corresponding function-name
1092 dnl     $6 = flag, nonnull if failure should not cause an error-exit
1093 dnl
1094 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1095 dnl to use a -L option.
1096 AC_DEFUN([CF_FIND_LIBRARY],
1097 [
1098         eval 'cf_cv_have_lib_'"$1"'=no'
1099         cf_libdir=""
1100         AC_CHECK_FUNC($5,
1101                 eval 'cf_cv_have_lib_'"$1"'=yes',[
1102                 cf_save_LIBS="$LIBS"
1103                 AC_MSG_CHECKING(for $5 in -l$1)
1104                 LIBS="-l$1 $LIBS"
1105                 AC_TRY_LINK([$3],[$4],
1106                         [AC_MSG_RESULT(yes)
1107                          eval 'cf_cv_have_lib_'"$1"'=yes'
1108                         ],
1109                         [AC_MSG_RESULT(no)
1110                         CF_LIBRARY_PATH(cf_search,$2)
1111                         for cf_libdir in $cf_search
1112                         do
1113                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1114                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1115                                 AC_TRY_LINK([$3],[$4],
1116                                         [AC_MSG_RESULT(yes)
1117                                          eval 'cf_cv_have_lib_'"$1"'=yes'
1118                                          break],
1119                                         [AC_MSG_RESULT(no)
1120                                          LIBS="$cf_save_LIBS"])
1121                         done
1122                         ])
1123                 ])
1124 eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\"
1125 ifelse($6,,[
1126 if test "$cf_found_library" = no ; then
1127         AC_MSG_ERROR(Cannot link $1 library)
1128 fi
1129 ])
1130 ])dnl
1131 dnl ---------------------------------------------------------------------------
1132 dnl CF_FIND_LINKAGE version: 22 updated: 2020/12/31 20:19:42
1133 dnl ---------------
1134 dnl Find a library (specifically the linkage used in the code fragment),
1135 dnl searching for it if it is not already in the library path.
1136 dnl See also CF_ADD_SEARCHPATH.
1137 dnl
1138 dnl Parameters (4-on are optional):
1139 dnl     $1 = headers for library entrypoint
1140 dnl     $2 = code fragment for library entrypoint
1141 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1142 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1143 dnl     $5 = action to perform if not successful
1144 dnl     $6 = module name, if not the same as the library name
1145 dnl     $7 = extra libraries
1146 dnl
1147 dnl Sets these variables:
1148 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1149 dnl     $cf_cv_header_path_$3 - include-directory if needed
1150 dnl     $cf_cv_library_path_$3 - library-directory if needed
1151 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1152 AC_DEFUN([CF_FIND_LINKAGE],[
1153
1154 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1155 # will be set on completion of the AC_TRY_LINK below.
1156 cf_cv_header_path_$3=
1157 cf_cv_library_path_$3=
1158
1159 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1160
1161 cf_save_LIBS="$LIBS"
1162
1163 AC_TRY_LINK([$1],[$2],[
1164         cf_cv_find_linkage_$3=yes
1165         cf_cv_header_path_$3=/usr/include
1166         cf_cv_library_path_$3=/usr/lib
1167 ],[
1168
1169 LIBS="-l$3 $7 $cf_save_LIBS"
1170
1171 AC_TRY_LINK([$1],[$2],[
1172         cf_cv_find_linkage_$3=yes
1173         cf_cv_header_path_$3=/usr/include
1174         cf_cv_library_path_$3=/usr/lib
1175         cf_cv_library_file_$3="-l$3"
1176 ],[
1177         cf_cv_find_linkage_$3=no
1178         LIBS="$cf_save_LIBS"
1179
1180         CF_VERBOSE(find linkage for $3 library)
1181         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1182
1183         cf_save_CPPFLAGS="$CPPFLAGS"
1184         cf_test_CPPFLAGS="$CPPFLAGS"
1185
1186         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1187         for cf_cv_header_path_$3 in $cf_search
1188         do
1189                 if test -d "$cf_cv_header_path_$3" ; then
1190                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1191                         CPPFLAGS="$cf_save_CPPFLAGS"
1192                         CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1193                         AC_TRY_COMPILE([$1],[$2],[
1194                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1195                                 cf_cv_find_linkage_$3=maybe
1196                                 cf_test_CPPFLAGS="$CPPFLAGS"
1197                                 break],[
1198                                 CPPFLAGS="$cf_save_CPPFLAGS"
1199                                 ])
1200                 fi
1201         done
1202
1203         if test "$cf_cv_find_linkage_$3" = maybe ; then
1204
1205                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1206
1207                 cf_save_LIBS="$LIBS"
1208                 cf_save_LDFLAGS="$LDFLAGS"
1209
1210                 ifelse([$6],,,[
1211                 CPPFLAGS="$cf_test_CPPFLAGS"
1212                 LIBS="-l$3 $7 $cf_save_LIBS"
1213                 AC_TRY_LINK([$1],[$2],[
1214                         CF_VERBOSE(... found $3 library in system)
1215                         cf_cv_find_linkage_$3=yes])
1216                         CPPFLAGS="$cf_save_CPPFLAGS"
1217                         LIBS="$cf_save_LIBS"
1218                         ])
1219
1220                 if test "$cf_cv_find_linkage_$3" != yes ; then
1221                         CF_LIBRARY_PATH(cf_search,$3)
1222                         for cf_cv_library_path_$3 in $cf_search
1223                         do
1224                                 if test -d "$cf_cv_library_path_$3" ; then
1225                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
1226                                         CPPFLAGS="$cf_test_CPPFLAGS"
1227                                         LIBS="-l$3 $7 $cf_save_LIBS"
1228                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1229                                         AC_TRY_LINK([$1],[$2],[
1230                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1231                                         cf_cv_find_linkage_$3=yes
1232                                         cf_cv_library_file_$3="-l$3"
1233                                         break],[
1234                                         CPPFLAGS="$cf_save_CPPFLAGS"
1235                                         LIBS="$cf_save_LIBS"
1236                                         LDFLAGS="$cf_save_LDFLAGS"
1237                                         ])
1238                                 fi
1239                         done
1240                         CPPFLAGS="$cf_save_CPPFLAGS"
1241                         LDFLAGS="$cf_save_LDFLAGS"
1242                 fi
1243
1244         else
1245                 cf_cv_find_linkage_$3=no
1246         fi
1247         ],$7)
1248 ])
1249
1250 LIBS="$cf_save_LIBS"
1251
1252 if test "$cf_cv_find_linkage_$3" = yes ; then
1253 ifelse([$4],,[
1254         CF_ADD_INCDIR($cf_cv_header_path_$3)
1255         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1256         CF_ADD_LIB($3)
1257 ],[$4])
1258 else
1259 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1260 fi
1261 ])dnl
1262 dnl ---------------------------------------------------------------------------
1263 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1264 dnl -----------------
1265 dnl make ADAFLAGS consistent with CFLAGS
1266 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1267         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1268         case "$CFLAGS" in
1269         (*-g*)
1270                 CF_ADD_ADAFLAGS(-g)
1271                 ;;
1272         esac
1273         case "$CFLAGS" in
1274         (*-O*)
1275                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1276                 CF_ADD_ADAFLAGS($cf_O_flag)
1277                 ;;
1278         esac
1279         AC_MSG_RESULT($ADAFLAGS)
1280 ])dnl
1281 dnl ---------------------------------------------------------------------------
1282 dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20
1283 dnl ---------------
1284 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc.  Any of gcc's
1285 dnl "-Werror" flags can interfere with configure-checks.  Those go into
1286 dnl EXTRA_CFLAGS.
1287 dnl
1288 dnl $1 = variable name to repair
1289 define([CF_FIX_WARNINGS],[
1290 if test "$GCC" = yes || test "$GXX" = yes
1291 then
1292         case [$]$1 in
1293         (*-Werror=*)
1294                 CF_VERBOSE(repairing $1: [$]$1)
1295                 cf_temp_flags=
1296                 for cf_temp_scan in [$]$1
1297                 do
1298                         case "x$cf_temp_scan" in
1299                         (x-Werror=*)
1300                                 CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan)
1301                                 ;;
1302                         (*)
1303                                 CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
1304                                 ;;
1305                         esac
1306                 done
1307                 $1="$cf_temp_flags"
1308                 CF_VERBOSE(... fixed [$]$1)
1309                 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1310                 ;;
1311         esac
1312 fi
1313 AC_SUBST(EXTRA_CFLAGS)
1314 ])dnl
1315 dnl ---------------------------------------------------------------------------
1316 dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25
1317 dnl -----------------
1318 dnl Test for availability of useful gcc __attribute__ directives to quiet
1319 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1320 dnl to documentation, unrecognized directives cause older compilers to barf.
1321 AC_DEFUN([CF_GCC_ATTRIBUTES],
1322 [AC_REQUIRE([AC_PROG_FGREP])dnl
1323 AC_REQUIRE([CF_C11_NORETURN])dnl
1324
1325 if test "$GCC" = yes || test "$GXX" = yes
1326 then
1327 cat > conftest.i <<EOF
1328 #ifndef GCC_PRINTF
1329 #define GCC_PRINTF 0
1330 #endif
1331 #ifndef GCC_SCANF
1332 #define GCC_SCANF 0
1333 #endif
1334 #ifndef GCC_NORETURN
1335 #define GCC_NORETURN /* nothing */
1336 #endif
1337 #ifndef GCC_UNUSED
1338 #define GCC_UNUSED /* nothing */
1339 #endif
1340 EOF
1341 if test "$GCC" = yes
1342 then
1343         AC_CHECKING([for $CC __attribute__ directives])
1344 cat > "conftest.$ac_ext" <<EOF
1345 #line __oline__ "${as_me:-configure}"
1346 #include "confdefs.h"
1347 #include "conftest.h"
1348 #include "conftest.i"
1349 #if     GCC_PRINTF
1350 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1351 #else
1352 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1353 #endif
1354 #if     GCC_SCANF
1355 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1356 #else
1357 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1358 #endif
1359 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1360 extern GCC_NORETURN void oops(char *,...) GCC_PRINTFLIKE(1,2);
1361 extern GCC_NORETURN void foo(void);
1362 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1363 EOF
1364         cf_printf_attribute=no
1365         cf_scanf_attribute=no
1366         for cf_attribute in scanf printf unused noreturn
1367         do
1368                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1369                 cf_directive="__attribute__(($cf_attribute))"
1370                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1371
1372                 case "$cf_attribute" in
1373                 (printf)
1374                         cf_printf_attribute=yes
1375                         cat >conftest.h <<EOF
1376 #define GCC_$cf_ATTRIBUTE 1
1377 EOF
1378                         ;;
1379                 (scanf)
1380                         cf_scanf_attribute=yes
1381                         cat >conftest.h <<EOF
1382 #define GCC_$cf_ATTRIBUTE 1
1383 EOF
1384                         ;;
1385                 (*)
1386                         cat >conftest.h <<EOF
1387 #define GCC_$cf_ATTRIBUTE $cf_directive
1388 EOF
1389                         ;;
1390                 esac
1391
1392                 if AC_TRY_EVAL(ac_compile); then
1393                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1394                         cat conftest.h >>confdefs.h
1395                         case "$cf_attribute" in
1396                         (noreturn)
1397                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1398                                 ;;
1399                         (printf)
1400                                 cf_value='/* nothing */'
1401                                 if test "$cf_printf_attribute" != no ; then
1402                                         cf_value='__attribute__((format(printf,fmt,var)))'
1403                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1404                                 fi
1405                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1406                                 ;;
1407                         (scanf)
1408                                 cf_value='/* nothing */'
1409                                 if test "$cf_scanf_attribute" != no ; then
1410                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1411                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1412                                 fi
1413                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1414                                 ;;
1415                         (unused)
1416                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1417                                 ;;
1418                         esac
1419                 fi
1420         done
1421 else
1422         ${FGREP-fgrep} define conftest.i >>confdefs.h
1423 fi
1424 rm -rf ./conftest*
1425 fi
1426 ])dnl
1427 dnl ---------------------------------------------------------------------------
1428 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1429 dnl --------------
1430 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1431 dnl compatible), attempt to determine if icc/clang is actually used.
1432 AC_DEFUN([CF_GCC_VERSION],[
1433 AC_REQUIRE([AC_PROG_CC])
1434 GCC_VERSION=none
1435 if test "$GCC" = yes ; then
1436         AC_MSG_CHECKING(version of $CC)
1437         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1438         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1439         AC_MSG_RESULT($GCC_VERSION)
1440 fi
1441 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1442 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1443 ])dnl
1444 dnl ---------------------------------------------------------------------------
1445 dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59
1446 dnl ---------------
1447 dnl Check if the compiler supports useful warning options.  There's a few that
1448 dnl we don't use, simply because they're too noisy:
1449 dnl
1450 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1451 dnl     -Winline (usually not worthwhile)
1452 dnl     -Wredundant-decls (system headers make this too noisy)
1453 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1454 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1455 dnl             is enabled for ncurses using "--enable-const".
1456 dnl     -pedantic
1457 dnl
1458 dnl Parameter:
1459 dnl     $1 is an optional list of gcc warning flags that a particular
1460 dnl             application might want to use, e.g., "no-unused" for
1461 dnl             -Wno-unused
1462 dnl Special:
1463 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1464 dnl
1465 AC_DEFUN([CF_GCC_WARNINGS],
1466 [
1467 AC_REQUIRE([CF_GCC_VERSION])
1468 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1469 cat > "conftest.$ac_ext" <<EOF
1470 #line __oline__ "${as_me:-configure}"
1471 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1472 EOF
1473 if test "$INTEL_COMPILER" = yes
1474 then
1475 # The "-wdXXX" options suppress warnings:
1476 # remark #1419: external declaration in primary source file
1477 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1478 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1479 # remark #193: zero used for undefined preprocessing identifier
1480 # remark #593: variable "curs_sb_left_arrow" was set but never used
1481 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1482 # remark #869: parameter "tw" was never referenced
1483 # remark #981: operands are evaluated in unspecified order
1484 # warning #279: controlling expression is constant
1485
1486         AC_CHECKING([for $CC warning options])
1487         cf_save_CFLAGS="$CFLAGS"
1488         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1489         for cf_opt in \
1490                 wd1419 \
1491                 wd1683 \
1492                 wd1684 \
1493                 wd193 \
1494                 wd593 \
1495                 wd279 \
1496                 wd810 \
1497                 wd869 \
1498                 wd981
1499         do
1500                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1501                 if AC_TRY_EVAL(ac_compile); then
1502                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1503                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1504                 fi
1505         done
1506         CFLAGS="$cf_save_CFLAGS"
1507 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1508 then
1509         AC_CHECKING([for $CC warning options])
1510         cf_save_CFLAGS="$CFLAGS"
1511         cf_warn_CONST=""
1512         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1513         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1514         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1515         for cf_opt in W Wall \
1516                 Wbad-function-cast \
1517                 Wcast-align \
1518                 Wcast-qual \
1519                 Wdeclaration-after-statement \
1520                 Wextra \
1521                 Winline \
1522                 Wmissing-declarations \
1523                 Wmissing-prototypes \
1524                 Wnested-externs \
1525                 Wpointer-arith \
1526                 Wshadow \
1527                 Wstrict-prototypes \
1528                 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1529         do
1530                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1531                 if AC_TRY_EVAL(ac_compile); then
1532                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1533                         case "$cf_opt" in
1534                         (Winline)
1535                                 case "$GCC_VERSION" in
1536                                 ([[34]].*)
1537                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1538                                         continue;;
1539                                 esac
1540                                 ;;
1541                         (Wpointer-arith)
1542                                 case "$GCC_VERSION" in
1543                                 ([[12]].*)
1544                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1545                                         continue;;
1546                                 esac
1547                                 ;;
1548                         esac
1549                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1550                 fi
1551         done
1552         CFLAGS="$cf_save_CFLAGS"
1553 fi
1554 rm -rf ./conftest*
1555
1556 AC_SUBST(EXTRA_CFLAGS)
1557 ])dnl
1558 dnl ---------------------------------------------------------------------------
1559 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1560 dnl -----------------
1561 AC_DEFUN([CF_GNATPREP_OPT_T],[
1562 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1563 cf_cv_gnatprep_opt_t=no
1564 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1565 ])
1566 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1567 AC_SUBST(GNATPREP_OPTS)
1568 ])dnl
1569 dnl ---------------------------------------------------------------------------
1570 dnl CF_GNAT_GENERICS version: 7 updated: 2021/01/01 13:31:04
1571 dnl ----------------
1572 AC_DEFUN([CF_GNAT_GENERICS],
1573 [
1574 AC_REQUIRE([CF_GNAT_VERSION])
1575
1576 AC_MSG_CHECKING(if GNAT supports generics)
1577 case "$cf_cv_gnat_version" in
1578 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1579         cf_gnat_generics=yes
1580         ;;
1581 (*)
1582         cf_gnat_generics=no
1583         ;;
1584 esac
1585 AC_MSG_RESULT($cf_gnat_generics)
1586
1587 if test "$cf_gnat_generics" = yes
1588 then
1589         cf_compile_generics=generics
1590         cf_generic_objects="\${GENOBJS}"
1591 else
1592         cf_compile_generics=
1593         cf_generic_objects=
1594 fi
1595
1596 AC_SUBST(cf_compile_generics)
1597 AC_SUBST(cf_generic_objects)
1598 ])dnl
1599 dnl ---------------------------------------------------------------------------
1600 dnl CF_GNAT_PROJECTS version: 13 updated: 2021/01/02 17:09:14
1601 dnl ----------------
1602 dnl GNAT projects are configured with ".gpr" project files.
1603 dnl GNAT libraries are a further development, using the project feature.
1604 AC_DEFUN([CF_GNAT_PROJECTS],
1605 [
1606 AC_REQUIRE([CF_GNAT_VERSION])
1607 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1608
1609 cf_gnat_libraries=no
1610 cf_gnat_projects=no
1611
1612 if test "$enable_gnat_projects" != no ; then
1613 AC_MSG_CHECKING(if GNAT supports project files)
1614 case "$cf_cv_gnat_version" in
1615 (3.[[0-9]]*)
1616         ;;
1617 (*)
1618         case "$cf_cv_system_name" in
1619         (cygwin*|msys*)
1620                 ;;
1621         (*)
1622                 rm -rf ./conftest* ./*~conftest*
1623                 if mkdir conftest.src conftest.bin conftest.lib
1624                 then
1625                         cd conftest.src
1626                         rm -rf ./conftest* ./*~conftest*
1627                         cat >>library.gpr <<CF_EOF
1628 project Library is
1629   Kind := External ("LIB_KIND");
1630   for Library_Name use "ConfTest";
1631   for Object_Dir use ".";
1632   for Library_ALI_Dir use External("LIBRARY_DIR");
1633   for Library_Version use External ("SONAME");
1634   for Library_Kind use Kind;
1635   for Library_Dir use External("BUILD_DIR");
1636   Source_Dir := External ("SOURCE_DIR");
1637   for Source_Dirs use (Source_Dir);
1638 end Library;
1639 CF_EOF
1640                         cat >>confpackage.ads <<CF_EOF
1641 package ConfPackage is
1642    procedure conftest;
1643 end ConfPackage;
1644 CF_EOF
1645                         cat >>confpackage.adb <<CF_EOF
1646 with Text_IO;
1647 package body ConfPackage is
1648    procedure conftest is
1649    begin
1650       Text_IO.Put ("Hello World");
1651       Text_IO.New_Line;
1652    end conftest;
1653 end ConfPackage;
1654 CF_EOF
1655                         if ( "$cf_ada_make" $ADAFLAGS \
1656                                         -Plibrary.gpr \
1657                                         -XBUILD_DIR="`cd ../conftest.bin;pwd`" \
1658                                         -XLIBRARY_DIR="`cd ../conftest.lib;pwd`" \
1659                                         -XSOURCE_DIR="`pwd`" \
1660                                         -XSONAME=libConfTest.so.1 \
1661                                         -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1662                                 cf_gnat_projects=yes
1663                         fi
1664                         cd ..
1665                 fi
1666                 if test -f conftest.lib/confpackage.ali
1667                 then
1668                         cf_gnat_libraries=yes
1669                 fi
1670                 rm -rf ./conftest* ./*~conftest*
1671                 ;;
1672         esac
1673         ;;
1674 esac
1675 AC_MSG_RESULT($cf_gnat_projects)
1676 fi # enable_gnat_projects
1677
1678 if test "$cf_gnat_projects" = yes
1679 then
1680         AC_MSG_CHECKING(if GNAT supports libraries)
1681         AC_MSG_RESULT($cf_gnat_libraries)
1682 fi
1683
1684 USE_OLD_MAKERULES=""
1685 USE_GNAT_PROJECTS="#"
1686 USE_GNAT_MAKE_GPR="#"
1687 USE_GNAT_GPRBUILD="#"
1688
1689 if test "$cf_gnat_projects" = yes
1690 then
1691         USE_OLD_MAKERULES="#"
1692         USE_GNAT_PROJECTS=""
1693         if test "$cf_cv_VERSION_GPRBUILD" != no
1694         then
1695                 USE_GNAT_GPRBUILD=""
1696         elif test "$cf_cv_VERSION_GNATMAKE" != no
1697         then
1698                 USE_GNAT_MAKE_GPR=""
1699         else
1700                 AC_MSG_WARN(use old makefile rules since tools are missing)
1701         fi
1702 fi
1703
1704 if test "$cf_gnat_libraries" = yes
1705 then
1706         USE_GNAT_LIBRARIES=""
1707 else
1708         USE_GNAT_LIBRARIES="#"
1709 fi
1710
1711 AC_SUBST(USE_OLD_MAKERULES)
1712 AC_SUBST(USE_GNAT_PROJECTS)
1713 AC_SUBST(USE_GNAT_LIBRARIES)
1714 AC_SUBST(USE_GNAT_MAKE_GPR)
1715 AC_SUBST(USE_GNAT_GPRBUILD)
1716 ])dnl
1717 dnl ---------------------------------------------------------------------------
1718 dnl CF_GNAT_SIGINT version: 2 updated: 2021/01/01 13:31:04
1719 dnl --------------
1720 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1721 dnl is noted that gnat may compile a tasking unit even for configurations which
1722 dnl fail at runtime.
1723 AC_DEFUN([CF_GNAT_SIGINT],[
1724 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1725 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1726
1727 package ConfTest is
1728
1729    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1730    pragma Unreserve_All_Interrupts;
1731    pragma Warnings (On);
1732
1733    protected Process is
1734       procedure Stop;
1735       function Continue return Boolean;
1736       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1737    private
1738       Done : Boolean := False;
1739    end Process;
1740
1741 end ConfTest;],
1742 [package body ConfTest is
1743    protected body Process is
1744       procedure Stop is
1745       begin
1746          Done := True;
1747       end Stop;
1748       function Continue return Boolean is
1749       begin
1750          return not Done;
1751       end Continue;
1752    end Process;
1753 end ConfTest;],
1754         [cf_cv_gnat_sigint=yes],
1755         [cf_cv_gnat_sigint=no])])
1756
1757 if test "$cf_cv_gnat_sigint" = yes ; then
1758         USE_GNAT_SIGINT=""
1759 else
1760         USE_GNAT_SIGINT="#"
1761 fi
1762 AC_SUBST(USE_GNAT_SIGINT)
1763 ])dnl
1764 dnl ---------------------------------------------------------------------------
1765 dnl CF_GNAT_TRY_LINK version: 4 updated: 2021/01/01 13:31:04
1766 dnl ----------------
1767 dnl Verify that a test program compiles/links with GNAT.
1768 dnl $cf_ada_make is set to the program that compiles/links
1769 dnl $ADAFLAGS may be set to the GNAT flags.
1770 dnl
1771 dnl $1 is the text of the spec
1772 dnl $2 is the text of the body
1773 dnl $3 is the shell command to execute if successful
1774 dnl $4 is the shell command to execute if not successful
1775 AC_DEFUN([CF_GNAT_TRY_LINK],
1776 [
1777 rm -rf ./conftest* ./*~conftest*
1778 cat >>conftest.ads <<CF_EOF
1779 $1
1780 CF_EOF
1781 cat >>conftest.adb <<CF_EOF
1782 $2
1783 CF_EOF
1784 if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1785 ifelse($3,,      :,[      $3])
1786 ifelse($4,,,[else
1787    $4])
1788 fi
1789 rm -rf ./conftest* ./*~conftest*
1790 ])dnl
1791 dnl ---------------------------------------------------------------------------
1792 dnl CF_GNAT_TRY_RUN version: 6 updated: 2021/01/01 13:31:04
1793 dnl ---------------
1794 dnl Verify that a test program compiles and runs with GNAT
1795 dnl $cf_ada_make is set to the program that compiles/links
1796 dnl $ADAFLAGS may be set to the GNAT flags.
1797 dnl
1798 dnl $1 is the text of the spec
1799 dnl $2 is the text of the body
1800 dnl $3 is the shell command to execute if successful
1801 dnl $4 is the shell command to execute if not successful
1802 AC_DEFUN([CF_GNAT_TRY_RUN],
1803 [
1804 rm -rf ./conftest* ./*~conftest*
1805 cat >>conftest.ads <<CF_EOF
1806 $1
1807 CF_EOF
1808 cat >>conftest.adb <<CF_EOF
1809 $2
1810 CF_EOF
1811 if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1812    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1813 ifelse($3,,      :,[      $3])
1814 ifelse($4,,,[   else
1815       $4])
1816    fi
1817 ifelse($4,,,[else
1818    $4])
1819 fi
1820 rm -rf ./conftest* ./*~conftest*
1821 ])dnl
1822 dnl ---------------------------------------------------------------------------
1823 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1824 dnl ---------------
1825 dnl $1 = cache variable to update
1826 dnl $2 = program name
1827 dnl Verify version of GNAT or related tool
1828 AC_DEFUN([CF_GNAT_VERSION],
1829 [
1830 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1831 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1832         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1833         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1834 ])
1835 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1836 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1837 ])dnl
1838 dnl ---------------------------------------------------------------------------
1839 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1840 dnl -------------
1841 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1842 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1843 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1844 dnl since it is interwoven with GNU extensions.
1845 dnl
1846 dnl Well, yes we could work around it...
1847 dnl
1848 dnl Parameters:
1849 dnl     $1 is the nominal value for _XOPEN_SOURCE
1850 AC_DEFUN([CF_GNU_SOURCE],
1851 [
1852 cf_gnu_xopen_source=ifelse($1,,500,$1)
1853
1854 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1855 AC_TRY_COMPILE([#include <sys/types.h>],[
1856         #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1857                 return 0;
1858         #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1859                 return 0;
1860         #else
1861         #       error not GNU C library
1862         #endif],
1863         [cf_cv_gnu_library=yes],
1864         [cf_cv_gnu_library=no])
1865 ])
1866
1867 if test x$cf_cv_gnu_library = xyes; then
1868
1869         # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1870         # was changed to help a little.  newlib incorporated the change about 4
1871         # years later.
1872         AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1873                 cf_save="$CPPFLAGS"
1874                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1875                 AC_TRY_COMPILE([#include <sys/types.h>],[
1876                         #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1877                                 return 0;
1878                         #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1879                                 return 0;
1880                         #else
1881                         #       error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1882                         #endif],
1883                         [cf_cv_gnu_library_219=yes],
1884                         [cf_cv_gnu_library_219=no])
1885                 CPPFLAGS="$cf_save"
1886         ])
1887
1888         if test "x$cf_cv_gnu_library_219" = xyes; then
1889                 cf_save="$CPPFLAGS"
1890                 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1891                         CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1892                         AC_TRY_COMPILE([
1893                                 #include <limits.h>
1894                                 #include <sys/types.h>
1895                                 ],[
1896                                 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1897                                         return 0;
1898                                 #else
1899                                 #       error GNU C library is too old
1900                                 #endif],
1901                                 [cf_cv_gnu_dftsrc_219=yes],
1902                                 [cf_cv_gnu_dftsrc_219=no])
1903                         ])
1904                 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1905         else
1906                 cf_cv_gnu_dftsrc_219=maybe
1907         fi
1908
1909         if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1910
1911                 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1912                 AC_TRY_COMPILE([#include <sys/types.h>],[
1913                         #ifndef _XOPEN_SOURCE
1914                         #error  expected _XOPEN_SOURCE to be defined
1915                         #endif],
1916                         [cf_cv_gnu_source=no],
1917                         [cf_save="$CPPFLAGS"
1918                          CF_ADD_CFLAGS(-D_GNU_SOURCE)
1919                          AC_TRY_COMPILE([#include <sys/types.h>],[
1920                                 #ifdef _XOPEN_SOURCE
1921                                 #error  expected _XOPEN_SOURCE to be undefined
1922                                 #endif],
1923                                 [cf_cv_gnu_source=no],
1924                                 [cf_cv_gnu_source=yes])
1925                         CPPFLAGS="$cf_save"
1926                         ])
1927                 ])
1928
1929                 if test "$cf_cv_gnu_source" = yes
1930                 then
1931                 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1932                         CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1933                         AC_TRY_COMPILE([#include <sys/types.h>],[
1934                                 #ifdef _DEFAULT_SOURCE
1935                                 #error  expected _DEFAULT_SOURCE to be undefined
1936                                 #endif],
1937                                 [cf_cv_default_source=no],
1938                                 [cf_cv_default_source=yes])
1939                         ])
1940                         if test "$cf_cv_default_source" = yes
1941                         then
1942                                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1943                         fi
1944                 fi
1945         fi
1946
1947 fi
1948 ])dnl
1949 dnl ---------------------------------------------------------------------------
1950 dnl CF_HEADER_PATH version: 15 updated: 2021/01/01 13:31:04
1951 dnl --------------
1952 dnl Construct a search-list of directories for a nonstandard header-file
1953 dnl
1954 dnl Parameters
1955 dnl     $1 = the variable to return as result
1956 dnl     $2 = the package name
1957 AC_DEFUN([CF_HEADER_PATH],
1958 [
1959 $1=
1960
1961 # collect the current set of include-directories from compiler flags
1962 cf_header_path_list=""
1963 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1964         for cf_header_path in $CPPFLAGS $CFLAGS
1965         do
1966                 case "$cf_header_path" in
1967                 (-I*)
1968                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1969                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1970                         cf_header_path_list="$cf_header_path_list [$]$1"
1971                         ;;
1972                 esac
1973         done
1974 fi
1975
1976 # add the variations for the package we are looking for
1977 CF_SUBDIR_PATH($1,$2,include)
1978
1979 test "$includedir" != NONE && \
1980 test "$includedir" != "/usr/include" && \
1981 test -d "$includedir" && {
1982         test -d "$includedir" &&    $1="[$]$1 $includedir"
1983         test -d "$includedir/$2" && $1="[$]$1 $includedir/$2"
1984 }
1985
1986 test "$oldincludedir" != NONE && \
1987 test "$oldincludedir" != "/usr/include" && \
1988 test -d "$oldincludedir" && {
1989         test -d "$oldincludedir"    && $1="[$]$1 $oldincludedir"
1990         test -d "$oldincludedir/$2" && $1="[$]$1 $oldincludedir/$2"
1991 }
1992
1993 $1="[$]$1 $cf_header_path_list"
1994 ])dnl
1995 dnl ---------------------------------------------------------------------------
1996 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1997 dnl ---------------
1998 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1999 AC_DEFUN([CF_HELP_MESSAGE],
2000 [CF_ACVERSION_CHECK(2.53,[],[
2001 AC_DIVERT_HELP($1)])dnl
2002 ])dnl
2003 dnl ---------------------------------------------------------------------------
2004 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
2005 dnl ---------------
2006 dnl Construct the list of include-options according to whether we're building
2007 dnl in the source directory or using '--srcdir=DIR' option.
2008 AC_DEFUN([CF_INCLUDE_DIRS],
2009 [
2010 if test "$srcdir" != "."; then
2011         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2012 fi
2013 CPPFLAGS="-I../include $CPPFLAGS"
2014 if test "$srcdir" != "."; then
2015         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2016 fi
2017 CPPFLAGS="-I. $CPPFLAGS"
2018 AC_SUBST(CPPFLAGS)
2019 ])dnl
2020 dnl ---------------------------------------------------------------------------
2021 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
2022 dnl ---------------
2023 dnl prompt for/fill-in useful install-program options
2024 AC_DEFUN([CF_INSTALL_OPTS],
2025 [
2026 CF_INSTALL_OPT_S
2027 CF_INSTALL_OPT_P
2028 CF_INSTALL_OPT_O
2029 ])dnl
2030 dnl ---------------------------------------------------------------------------
2031 dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42
2032 dnl ----------------
2033 dnl Almost all "install" programs default to the current user's ownership.
2034 dnl Almost - MINIX is an exception.
2035 AC_DEFUN([CF_INSTALL_OPT_O],
2036 [
2037 AC_MSG_CHECKING(if install needs to be told about ownership)
2038 case `$ac_config_guess` in
2039 (*minix)
2040         with_install_o=yes
2041         ;;
2042 (*)
2043         with_install_o=no
2044         ;;
2045 esac
2046
2047 AC_MSG_RESULT($with_install_o)
2048 if test "x$with_install_o" = xyes
2049 then
2050         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'`"
2051 else
2052         INSTALL_OPT_O=
2053 fi
2054
2055 AC_SUBST(INSTALL_OPT_O)
2056 ])dnl
2057 dnl ---------------------------------------------------------------------------
2058 dnl CF_INSTALL_OPT_P version: 3 updated: 2021/01/01 13:31:04
2059 dnl ----------------
2060 dnl Some install-programs accept a "-p" option to preserve file modification
2061 dnl timestamps.  That can be useful as an install option, as well as a way to
2062 dnl avoid the need for ranlib after copying a static archive.
2063 AC_DEFUN([CF_INSTALL_OPT_P],
2064 [
2065 : "${INSTALL:=install}"
2066 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
2067         rm -rf ./conftest*
2068         date >conftest.in
2069         mkdir conftest.out
2070         sleep 3
2071         if $INSTALL -p conftest.in conftest.out 2>/dev/null
2072         then
2073                 if test -f conftest.out/conftest.in
2074                 then
2075                         test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
2076                         test conftest.out/conftest.in -nt conftest.in 2>conftest.err
2077                         if test -s conftest.err
2078                         then
2079                                 cf_cv_install_p=no
2080                         else
2081                                 cf_cv_install_p=yes
2082                         fi
2083                 else
2084                         cf_cv_install_p=no
2085                 fi
2086         else
2087                 cf_cv_install_p=no
2088         fi
2089         rm -rf ./conftest*
2090 ])
2091 ])dnl
2092 dnl ---------------------------------------------------------------------------
2093 dnl CF_INSTALL_OPT_S version: 3 updated: 2021/01/05 19:23:48
2094 dnl ----------------
2095 dnl By default, we should strip executables which are installed, but leave the
2096 dnl ability to suppress that for unit-testing.
2097 AC_DEFUN([CF_INSTALL_OPT_S],
2098 [
2099 AC_MSG_CHECKING(if you want to install stripped executables)
2100 CF_ARG_DISABLE(stripping,
2101         [  --disable-stripping     do not strip (debug info) installed executables],
2102         [enable_stripping=no],
2103         [enable_stripping=yes])
2104 AC_MSG_RESULT($enable_stripping)
2105
2106 if test "$enable_stripping" = yes
2107 then
2108         INSTALL_OPT_S="-s"
2109 else
2110         INSTALL_OPT_S=
2111 fi
2112 AC_SUBST(INSTALL_OPT_S)
2113 ])dnl
2114 dnl ---------------------------------------------------------------------------
2115 dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59
2116 dnl -----------------
2117 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2118 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2119 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2120 dnl
2121 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2122 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2123 dnl the wrappers for gcc and g++ warnings.
2124 dnl
2125 dnl $1 = GCC (default) or GXX
2126 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2127 dnl $3 = CFLAGS (default) or CXXFLAGS
2128 AC_DEFUN([CF_INTEL_COMPILER],[
2129 AC_REQUIRE([AC_CANONICAL_HOST])
2130 ifelse([$2],,INTEL_COMPILER,[$2])=no
2131
2132 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2133         case "$host_os" in
2134         (linux*|gnu*)
2135                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2136                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2137                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2138                 AC_TRY_COMPILE([],[
2139 #ifdef __INTEL_COMPILER
2140 #else
2141 make an error
2142 #endif
2143 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2144 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2145 ],[])
2146                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2147                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2148                 ;;
2149         esac
2150 fi
2151 ])dnl
2152 dnl ---------------------------------------------------------------------------
2153 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2154 dnl ------------
2155 dnl Add checks for large file support.
2156 AC_DEFUN([CF_LARGEFILE],[
2157 ifdef([AC_FUNC_FSEEKO],[
2158         AC_SYS_LARGEFILE
2159         if test "$enable_largefile" != no ; then
2160         AC_FUNC_FSEEKO
2161
2162         # Normally we would collect these definitions in the config.h,
2163         # but (like _XOPEN_SOURCE), some environments rely on having these
2164         # defined before any of the system headers are included.  Another
2165         # case comes up with C++, e.g., on AIX the compiler compiles the
2166         # header files by themselves before looking at the body files it is
2167         # told to compile.  For ncurses, those header files do not include
2168         # the config.h
2169         if test "$ac_cv_sys_large_files" != no
2170         then
2171                 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2172         fi
2173         if test "$ac_cv_sys_largefile_source" != no
2174         then
2175                 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2176         fi
2177         if test "$ac_cv_sys_file_offset_bits" != no
2178         then
2179                 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2180         fi
2181
2182         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2183                 AC_TRY_COMPILE([
2184 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2185 #include <sys/types.h>
2186 #include <dirent.h>
2187                 ],[
2188                 /* if transitional largefile support is setup, this is true */
2189                 extern struct dirent64 * readdir(DIR *);
2190                 struct dirent64 *x = readdir((DIR *)0);
2191                 struct dirent *y = readdir((DIR *)0);
2192                 int z = x - y;
2193                 (void)z;
2194                 ],
2195                 [cf_cv_struct_dirent64=yes],
2196                 [cf_cv_struct_dirent64=no])
2197         ])
2198         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2199         fi
2200 ])
2201 ])
2202 dnl ---------------------------------------------------------------------------
2203 dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04
2204 dnl ---------------
2205 dnl For the given system and compiler, find the compiler flags to pass to the
2206 dnl loader to use the "rpath" feature.
2207 AC_DEFUN([CF_LD_RPATH_OPT],
2208 [
2209 AC_REQUIRE([CF_CHECK_CACHE])
2210
2211 LD_RPATH_OPT=
2212 if test "x$cf_cv_enable_rpath" != xno
2213 then
2214         AC_MSG_CHECKING(for an rpath option)
2215         case "$cf_cv_system_name" in
2216         (irix*)
2217                 if test "$GCC" = yes; then
2218                         LD_RPATH_OPT="-Wl,-rpath,"
2219                 else
2220                         LD_RPATH_OPT="-rpath "
2221                 fi
2222                 ;;
2223         (linux*|gnu*|k*bsd*-gnu|freebsd*)
2224                 LD_RPATH_OPT="-Wl,-rpath,"
2225                 ;;
2226         (openbsd[[2-9]].*|mirbsd*)
2227                 LD_RPATH_OPT="-Wl,-rpath,"
2228                 ;;
2229         (dragonfly*)
2230                 LD_RPATH_OPT="-rpath "
2231                 ;;
2232         (netbsd*)
2233                 LD_RPATH_OPT="-Wl,-rpath,"
2234                 ;;
2235         (osf*|mls+*)
2236                 LD_RPATH_OPT="-rpath "
2237                 ;;
2238         (solaris2*)
2239                 LD_RPATH_OPT="-R"
2240                 ;;
2241         (*)
2242                 ;;
2243         esac
2244         AC_MSG_RESULT($LD_RPATH_OPT)
2245
2246         case "x$LD_RPATH_OPT" in
2247         (x-R*)
2248                 AC_MSG_CHECKING(if we need a space after rpath option)
2249                 cf_save_LIBS="$LIBS"
2250                 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2251                 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2252                 LIBS="$cf_save_LIBS"
2253                 AC_MSG_RESULT($cf_rpath_space)
2254                 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2255                 ;;
2256         esac
2257 fi
2258 ])dnl
2259 dnl ---------------------------------------------------------------------------
2260 dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04
2261 dnl ---------------
2262 dnl Construct a search-list of directories for a nonstandard library-file
2263 dnl
2264 dnl Parameters
2265 dnl     $1 = the variable to return as result
2266 dnl     $2 = the package name
2267 AC_DEFUN([CF_LIBRARY_PATH],
2268 [
2269 $1=
2270 cf_library_path_list=""
2271 if test -n "${LDFLAGS}${LIBS}" ; then
2272         for cf_library_path in $LDFLAGS $LIBS
2273         do
2274                 case "$cf_library_path" in
2275                 (-L*)
2276                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2277                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2278                         cf_library_path_list="$cf_library_path_list [$]$1"
2279                         ;;
2280                 esac
2281         done
2282 fi
2283
2284 CF_SUBDIR_PATH($1,$2,lib)
2285
2286 $1="$cf_library_path_list [$]$1"
2287 ])dnl
2288 dnl ---------------------------------------------------------------------------
2289 dnl CF_LIB_PREFIX version: 14 updated: 2021/01/01 13:31:04
2290 dnl -------------
2291 dnl Compute the library-prefix for the given host system
2292 dnl $1 = variable to set
2293 define([CF_LIB_PREFIX],
2294 [
2295         case "$cf_cv_system_name" in
2296         (OS/2*|os2*)
2297                 if test "$DFT_LWR_MODEL" = libtool; then
2298                         LIB_PREFIX='lib'
2299                 else
2300                         LIB_PREFIX=''
2301                 fi
2302                 ;;
2303         (*-msvc*)
2304                 LIB_PREFIX=''
2305                 ;;
2306         (*)     LIB_PREFIX='lib'
2307                 ;;
2308         esac
2309 ifelse($1,,,[$1=$LIB_PREFIX])
2310         AC_SUBST(LIB_PREFIX)
2311 ])dnl
2312 dnl ---------------------------------------------------------------------------
2313 dnl CF_LIB_SUFFIX version: 28 updated: 2021/01/01 16:53:59
2314 dnl -------------
2315 dnl Compute the library file-suffix from the given model name
2316 dnl $1 = model name
2317 dnl $2 = variable to set (the nominal library suffix)
2318 dnl $3 = dependency variable to set (actual filename)
2319 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2320 AC_DEFUN([CF_LIB_SUFFIX],
2321 [
2322         case X$1 in
2323         (Xlibtool)
2324                 $2='.la'
2325                 $3=[$]$2
2326                 ;;
2327         (Xdebug)
2328                 case "$cf_cv_system_name" in
2329                 (*-msvc*)
2330                         $2='_g.lib'
2331                         ;;
2332                 (*)
2333                         $2='_g.a'
2334                         ;;
2335                 esac
2336                 $3=[$]$2
2337                 ;;
2338         (Xprofile)
2339                 case "$cf_cv_system_name" in
2340                 (*-msvc*)
2341                         $2='_p.lib'
2342                         ;;
2343                 (*)
2344                         $2='_p.a'
2345                         ;;
2346                 esac
2347                 $3=[$]$2
2348                 ;;
2349         (Xshared)
2350                 case "$cf_cv_system_name" in
2351                 (aix[[5-7]]*)
2352                         $2='.so'
2353                         $3=[$]$2
2354                         ;;
2355                 (*-msvc*)
2356                         $2='.dll'
2357                         $3='.dll.lib'
2358                         ;;
2359                 (cygwin*|msys*|mingw*)
2360                         $2='.dll'
2361                         $3='.dll.a'
2362                         ;;
2363                 (darwin*)
2364                         $2='.dylib'
2365                         $3=[$]$2
2366                         ;;
2367                 (hpux*)
2368                         case "$target" in
2369                         (ia64*)
2370                                 $2='.so'
2371                                 $3=[$]$2
2372                                 ;;
2373                         (*)
2374                                 $2='.sl'
2375                                 $3=[$]$2
2376                                 ;;
2377                         esac
2378                         ;;
2379                 (*)
2380                         $2='.so'
2381                         $3=[$]$2
2382                         ;;
2383                 esac
2384                 ;;
2385         (*)
2386                 case "$target" in
2387                 (*-msvc*)
2388                         $2='.lib'
2389                         ;;
2390                 (*)
2391                         $2='.a'
2392                         ;;
2393                 esac
2394                 $3=[$]$2
2395                 ;;
2396         esac
2397         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2398         then
2399                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2400                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2401         fi
2402 ])dnl
2403 dnl ---------------------------------------------------------------------------
2404 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2405 dnl -----------
2406 dnl Compute the string to append to -library from the given model name
2407 dnl $1 = model name
2408 dnl $2 = variable to set
2409 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2410 AC_DEFUN([CF_LIB_TYPE],
2411 [
2412         case $1 in
2413         (libtool) $2=''   ;;
2414         (normal)  $2=''   ;;
2415         (debug)   $2='_g' ;;
2416         (profile) $2='_p' ;;
2417         (shared)  $2=''   ;;
2418         esac
2419         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2420 ])dnl
2421 dnl ---------------------------------------------------------------------------
2422 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2423 dnl ----------------
2424 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2425 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
2426 dnl have to provide wrappers for global tables to ensure they're linked
2427 dnl properly.
2428 AC_DEFUN([CF_LINK_DATAONLY],
2429 [
2430 AC_MSG_CHECKING([if data-only library module links])
2431 AC_CACHE_VAL(cf_cv_link_dataonly,[
2432         rm -f conftest.a
2433         cat >conftest.$ac_ext <<EOF
2434 #line __oline__ "configure"
2435 int     testdata[[3]] = { 123, 456, 789 };
2436 EOF
2437         if AC_TRY_EVAL(ac_compile) ; then
2438                 mv conftest.o data.o && \
2439                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2440         fi
2441         rm -f conftest.$ac_ext data.o
2442         cat >conftest.$ac_ext <<EOF
2443 #line __oline__ "configure"
2444 int     testfunc(void)
2445 {
2446 #if defined(NeXT)
2447         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
2448 #else
2449         extern int testdata[[3]];
2450         return testdata[[0]] == 123
2451            &&  testdata[[1]] == 456
2452            &&  testdata[[2]] == 789;
2453 #endif
2454 }
2455 EOF
2456         if AC_TRY_EVAL(ac_compile); then
2457                 mv conftest.o func.o && \
2458                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2459         fi
2460         rm -f conftest.$ac_ext func.o
2461         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2462         cf_saveLIBS="$LIBS"
2463         LIBS="conftest.a $LIBS"
2464         AC_TRY_RUN([
2465         int main(void)
2466         {
2467                 extern int testfunc();
2468                 ${cf_cv_main_return:-return} (!testfunc());
2469         }
2470         ],
2471         [cf_cv_link_dataonly=yes],
2472         [cf_cv_link_dataonly=no],
2473         [cf_cv_link_dataonly=unknown])
2474         LIBS="$cf_saveLIBS"
2475         ])
2476 AC_MSG_RESULT($cf_cv_link_dataonly)
2477
2478 if test "$cf_cv_link_dataonly" = no ; then
2479         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2480         BROKEN_LINKER=1
2481 fi
2482 AC_SUBST(BROKEN_LINKER)
2483
2484 ])dnl
2485 dnl ---------------------------------------------------------------------------
2486 dnl CF_MAKEFLAGS version: 20 updated: 2021/01/03 19:29:49
2487 dnl ------------
2488 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2489 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
2490 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2491 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2492 AC_DEFUN([CF_MAKEFLAGS],
2493 [AC_REQUIRE([AC_PROG_FGREP])dnl
2494
2495 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2496         cf_cv_makeflags=''
2497         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2498         do
2499                 cat >cf_makeflags.tmp <<CF_EOF
2500 SHELL = $SHELL
2501 all :
2502         @ echo '.$cf_option'
2503 CF_EOF
2504                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | ${FGREP-fgrep} -v "ing directory" | sed -e 's,[[  ]]*$,,'`
2505                 case "$cf_result" in
2506                 (.*k|.*kw)
2507                         cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`"
2508                         case "$cf_result" in
2509                         (.*CC=*)        cf_cv_makeflags=
2510                                 ;;
2511                         (*)     cf_cv_makeflags=$cf_option
2512                                 ;;
2513                         esac
2514                         break
2515                         ;;
2516                 (.-)
2517                         ;;
2518                 (*)
2519                         CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2520                         ;;
2521                 esac
2522         done
2523         rm -f cf_makeflags.tmp
2524 ])
2525
2526 AC_SUBST(cf_cv_makeflags)
2527 ])dnl
2528 dnl ---------------------------------------------------------------------------
2529 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2530 dnl ------------
2531 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
2532 dnl a monocase filesystem.
2533 AC_DEFUN([CF_MAKE_TAGS],[
2534 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2535
2536 AC_CHECK_PROGS(CTAGS, exctags ctags)
2537 AC_CHECK_PROGS(ETAGS, exetags etags)
2538
2539 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2540
2541 if test "$cf_cv_mixedcase" = yes ; then
2542         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2543 else
2544         MAKE_UPPER_TAGS=no
2545 fi
2546
2547 if test "$MAKE_UPPER_TAGS" = yes ; then
2548         MAKE_UPPER_TAGS=
2549 else
2550         MAKE_UPPER_TAGS="#"
2551 fi
2552
2553 if test "$MAKE_LOWER_TAGS" = yes ; then
2554         MAKE_LOWER_TAGS=
2555 else
2556         MAKE_LOWER_TAGS="#"
2557 fi
2558
2559 AC_SUBST(CTAGS)
2560 AC_SUBST(ETAGS)
2561
2562 AC_SUBST(MAKE_UPPER_TAGS)
2563 AC_SUBST(MAKE_LOWER_TAGS)
2564 ])dnl
2565 dnl ---------------------------------------------------------------------------
2566 dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59
2567 dnl ----------------------
2568 dnl Check if the file-system supports mixed-case filenames.  If we're able to
2569 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2570 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2571 [
2572 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2573 if test "$cross_compiling" = yes ; then
2574         case "$target_alias" in
2575         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
2576                 cf_cv_mixedcase=no
2577                 ;;
2578         (*)
2579                 cf_cv_mixedcase=yes
2580                 ;;
2581         esac
2582 else
2583         rm -f conftest CONFTEST
2584         echo test >conftest
2585         if test -f CONFTEST ; then
2586                 cf_cv_mixedcase=no
2587         else
2588                 cf_cv_mixedcase=yes
2589         fi
2590         rm -f conftest CONFTEST
2591 fi
2592 ])
2593 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2594 ])dnl
2595 dnl ---------------------------------------------------------------------------
2596 dnl CF_MKSTEMP version: 11 updated: 2021/01/01 13:31:04
2597 dnl ----------
2598 dnl Check for a working mkstemp.  This creates two files, checks that they are
2599 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2600 AC_DEFUN([CF_MKSTEMP],[
2601 AC_CHECK_HEADERS( \
2602 unistd.h \
2603 )
2604 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2605 rm -rf ./conftest*
2606 AC_TRY_RUN([
2607 #include <sys/types.h>
2608 #ifdef HAVE_UNISTD_H
2609 #include <unistd.h>
2610 #endif
2611 #include <stdlib.h>
2612 #include <stdio.h>
2613 #include <string.h>
2614 #include <sys/stat.h>
2615 int main(void)
2616 {
2617         char *tmpl = "conftestXXXXXX";
2618         char name[2][80];
2619         int n;
2620         int result = 0;
2621         int fd;
2622         struct stat sb;
2623
2624         umask(077);
2625         for (n = 0; n < 2; ++n) {
2626                 strcpy(name[n], tmpl);
2627                 if ((fd = mkstemp(name[n])) >= 0) {
2628                         if (!strcmp(name[n], tmpl)
2629                          || stat(name[n], &sb) != 0
2630                          || (sb.st_mode & S_IFMT) != S_IFREG
2631                          || (sb.st_mode & 077) != 0) {
2632                                 result = 1;
2633                         }
2634                         close(fd);
2635                 }
2636         }
2637         if (result == 0
2638          && !strcmp(name[0], name[1]))
2639                 result = 1;
2640         ${cf_cv_main_return:-return}(result);
2641 }
2642 ],[cf_cv_func_mkstemp=yes
2643 ],[cf_cv_func_mkstemp=no
2644 ],[cf_cv_func_mkstemp=maybe])
2645 ])
2646 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2647         AC_CHECK_FUNC(mkstemp)
2648 fi
2649 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2650         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2651 fi
2652 ])dnl
2653 dnl ---------------------------------------------------------------------------
2654 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2655 dnl ----------
2656 dnl Write a debug message to config.log, along with the line number in the
2657 dnl configure script.
2658 AC_DEFUN([CF_MSG_LOG],[
2659 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2660 ])dnl
2661 dnl ---------------------------------------------------------------------------
2662 dnl CF_NCURSES_ADDON version: 6 updated: 2021/01/04 19:33:05
2663 dnl ----------------
2664 dnl Configure an ncurses add-on, built outside the ncurses tree.
2665 AC_DEFUN([CF_NCURSES_ADDON],[
2666 AC_REQUIRE([CF_NCURSES_CONFIG])
2667
2668 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2669
2670 AC_MSG_CHECKING(if you want wide-character code)
2671 AC_ARG_ENABLE(widec,
2672         [  --enable-widec          compile with wide-char/UTF-8 code],
2673         [with_widec=$enableval],
2674         [with_widec=no])
2675 AC_MSG_RESULT($with_widec)
2676 if test "$with_widec" = yes ; then
2677         CF_UTF8_LIB
2678         CF_NCURSES_CONFIG(ncursesw)
2679 else
2680         CF_NCURSES_CONFIG(ncurses)
2681 fi
2682
2683 if test "$NCURSES_CONFIG_PKG" != none ; then
2684         cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2685
2686         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2687         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2688         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2689
2690         cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2691         if test -z "$cf_cv_abi_version"
2692         then
2693                 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2694         fi
2695
2696 elif test "$NCURSES_CONFIG" != none ; then
2697
2698         cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2699
2700         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2701         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2702         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2703
2704         # ABI version is not available from headers
2705         cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2706
2707 else
2708
2709         for cf_name in MAJOR MINOR PATCH
2710         do
2711         cat >conftest.$ac_ext <<CF_EOF
2712         #include <${cf_cv_ncurses_header:-curses.h}>
2713         AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2714 CF_EOF
2715                 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2716                 AC_TRY_EVAL(cf_try)
2717                 if test -f conftest.out ; then
2718                         cf_result=`sed -e "s/^.*AUTOCONF_${cf_name}[[   ]][[    ]]*//" conftest.out`
2719                         eval NCURSES_$cf_name=\"$cf_result\"
2720                         # cat conftest.$ac_ext
2721                         # cat conftest.out
2722                 fi
2723         done
2724
2725         cf_cv_abi_version=${NCURSES_MAJOR}
2726
2727 fi
2728
2729 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2730
2731 dnl Show the computed version, for logging
2732 cf_cv_timestamp=`date`
2733
2734 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2735
2736 dnl We need these values in the generated headers
2737 AC_SUBST(NCURSES_MAJOR)
2738 AC_SUBST(NCURSES_MINOR)
2739 AC_SUBST(NCURSES_PATCH)
2740
2741 dnl We need these values in the generated makefiles
2742 AC_SUBST(cf_cv_rel_version)
2743 AC_SUBST(cf_cv_abi_version)
2744
2745 dnl FIXME - not needed for Ada95
2746 AC_SUBST(cf_cv_builtin_bool)
2747 AC_SUBST(cf_cv_header_stdbool_h)
2748 AC_SUBST(cf_cv_type_of_bool)dnl
2749
2750 ])
2751 dnl ---------------------------------------------------------------------------
2752 dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42
2753 dnl -------------------
2754 dnl Check if we can compile with ncurses' header file
2755 dnl $1 is the cache variable to set
2756 dnl $2 is the header-file to include
2757 dnl $3 is the root name (ncurses or ncursesw)
2758 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2759         AC_TRY_COMPILE([
2760 ]ifelse($3,ncursesw,[
2761 #define _XOPEN_SOURCE_EXTENDED
2762 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2763 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2764 ])[
2765 #include <$2>],[
2766 #ifdef NCURSES_VERSION
2767 ]ifelse($3,ncursesw,[
2768 #ifndef WACS_BSSB
2769         make an error
2770 #endif
2771 ])[
2772 printf("%s\\n", NCURSES_VERSION);
2773 #else
2774 #ifdef __NCURSES_H
2775 printf("old\\n");
2776 #else
2777         make an error
2778 #endif
2779 #endif
2780         ]
2781         ,[$1=$2]
2782         ,[$1=no])
2783 ])dnl
2784 dnl ---------------------------------------------------------------------------
2785 dnl CF_NCURSES_CONFIG version: 27 updated: 2021/05/19 19:35:25
2786 dnl -----------------
2787 dnl Tie together the configure-script macros for ncurses, preferring these in
2788 dnl order:
2789 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2790 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2791 dnl c) just plain libraries
2792 dnl
2793 dnl $1 is the root library name (default: "ncurses")
2794 AC_DEFUN([CF_NCURSES_CONFIG],[
2795 AC_REQUIRE([CF_PKG_CONFIG])
2796 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2797 cf_have_ncuconfig=no
2798
2799 if test "x${PKG_CONFIG:=none}" != xnone; then
2800         AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2801         if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2802                 AC_MSG_RESULT(yes)
2803
2804                 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2805                 cf_have_ncuconfig=unknown
2806
2807                 cf_save_CFLAGS="$CFLAGS"
2808                 cf_save_CPPFLAGS="$CPPFLAGS"
2809                 cf_save_LIBS="$LIBS"
2810
2811                 cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2812                 cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
2813
2814                 # while -W for passing linker flags is prevalent, it is not "standard".
2815                 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2816                 # incompatible _and_ non-standard -W option which gives an error.  Work
2817                 # around that pitfall.
2818                 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2819                 (x*c[[89]]9@@*-W*)
2820                         CF_ADD_CFLAGS($cf_pkg_cflags)
2821                         CF_ADD_LIBS($cf_pkg_libs)
2822
2823                         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2824                                 [initscr(); mousemask(0,0); tigetstr((char *)0);],
2825                                 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2826                                         int main(void)
2827                                         { const char *xx = curses_version(); return (xx == 0); }],
2828                                         [cf_test_ncuconfig=yes],
2829                                         [cf_test_ncuconfig=no],
2830                                         [cf_test_ncuconfig=maybe])],
2831                                 [cf_test_ncuconfig=no])
2832
2833                         CFLAGS="$cf_save_CFLAGS"
2834                         CPPFLAGS="$cf_save_CPPFLAGS"
2835                         LIBS="$cf_save_LIBS"
2836
2837                         if test "x$cf_test_ncuconfig" != xyes; then
2838                                 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^     ]]*//g'`
2839                                 cf_pkg_cflags="$cf_temp"
2840                                 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^       ]]*//g'`
2841                                 cf_pkg_libs="$cf_temp"
2842                         fi
2843                         ;;
2844                 esac
2845
2846                 CF_ADD_CFLAGS($cf_pkg_cflags)
2847                 CF_ADD_LIBS($cf_pkg_libs)
2848
2849                 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2850                         [initscr(); mousemask(0,0); tigetstr((char *)0);],
2851                         [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2852                                 int main(void)
2853                                 { const char *xx = curses_version(); return (xx == 0); }],
2854                                 [cf_have_ncuconfig=yes],
2855                                 [cf_have_ncuconfig=no],
2856                                 [cf_have_ncuconfig=maybe])],
2857                         [cf_have_ncuconfig=no])
2858                 AC_MSG_RESULT($cf_have_ncuconfig)
2859                 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2860                 if test "$cf_have_ncuconfig" != "yes"
2861                 then
2862                         CPPFLAGS="$cf_save_CPPFLAGS"
2863                         LIBS="$cf_save_LIBS"
2864                         NCURSES_CONFIG_PKG=none
2865                 else
2866                         AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2867                         NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2868                         CF_TERM_HEADER
2869                 fi
2870
2871         else
2872                 AC_MSG_RESULT(no)
2873                 NCURSES_CONFIG_PKG=none
2874         fi
2875 else
2876         NCURSES_CONFIG_PKG=none
2877 fi
2878
2879 if test "x$cf_have_ncuconfig" = "xno"; then
2880         cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2881
2882         CF_ACVERSION_CHECK(2.52,
2883                 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2884                 [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2885
2886         if test "$NCURSES_CONFIG" != none ; then
2887
2888                 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2889                 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2890
2891                 # even with config script, some packages use no-override for curses.h
2892                 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2893
2894                 dnl like CF_NCURSES_CPPFLAGS
2895                 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2896
2897                 dnl like CF_NCURSES_LIBS
2898                 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2899                 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2900
2901                 dnl like CF_NCURSES_VERSION
2902                 cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
2903
2904         else
2905
2906                 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2907                 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2908
2909         fi
2910 else
2911         NCURSES_CONFIG=none
2912 fi
2913 ])dnl
2914 dnl ---------------------------------------------------------------------------
2915 dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20
2916 dnl -------------------
2917 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2918 dnl the CPPFLAGS variable so we can include its header.
2919 dnl
2920 dnl The header files may be installed as either curses.h, or ncurses.h (would
2921 dnl be obsolete, except that some packagers prefer this name to distinguish it
2922 dnl from a "native" curses implementation).  If not installed for overwrite,
2923 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2924 dnl /usr/include/ncurses), but someone may have installed overwriting the
2925 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2926 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2927 dnl the header.
2928 dnl
2929 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2930 dnl is already in the include-path, don't even bother with this, since we cannot
2931 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2932 dnl
2933 dnl The optional parameter gives the root name of the library, in case it is
2934 dnl not installed as the default curses library.  That is how the
2935 dnl wide-character version of ncurses is installed.
2936 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2937 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2938
2939 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2940 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2941
2942 test -n "$cf_cv_curses_dir" && \
2943 test "$cf_cv_curses_dir" != "no" && { \
2944   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2945 }
2946
2947 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2948         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2949         { test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
2950         for cf_header in $cf_header_list
2951         do
2952                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2953                 test "$cf_cv_ncurses_h" != no && break
2954         done
2955 ])
2956
2957 CF_NCURSES_HEADER
2958 CF_TERM_HEADER
2959
2960 # some applications need this, but should check for NCURSES_VERSION
2961 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2962
2963 CF_NCURSES_VERSION
2964 ])dnl
2965 dnl ---------------------------------------------------------------------------
2966 dnl CF_NCURSES_HEADER version: 7 updated: 2021/01/04 19:33:05
2967 dnl -----------------
2968 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2969 dnl variations of ncurses' installs.
2970 dnl
2971 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2972 AC_DEFUN([CF_NCURSES_HEADER],[
2973
2974 if test "$cf_cv_ncurses_h" != no ; then
2975         cf_cv_ncurses_header=$cf_cv_ncurses_h
2976 else
2977
2978 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2979         test -n "$verbose" && echo
2980         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2981         test -n "$verbose" && echo "search path $cf_search"
2982         cf_save2_CPPFLAGS="$CPPFLAGS"
2983         for cf_incdir in $cf_search
2984         do
2985                 CF_ADD_INCDIR($cf_incdir)
2986                 for cf_header in \
2987                         ncurses.h \
2988                         curses.h
2989                 do
2990                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2991                         if test "$cf_cv_ncurses_h2" != no ; then
2992                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2993                                 test -n "$verbose" && echo $ECHO_N "    ... found $ECHO_C" 1>&AC_FD_MSG
2994                                 break
2995                         fi
2996                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2997                 done
2998                 CPPFLAGS="$cf_save2_CPPFLAGS"
2999                 test "$cf_cv_ncurses_h2" != no && break
3000         done
3001         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
3002         ])
3003
3004         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
3005         cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
3006         if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
3007                 cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
3008         fi
3009         CF_ADD_INCDIR($cf_1st_incdir)
3010
3011 fi
3012
3013 # Set definitions to allow ifdef'ing for ncurses.h
3014
3015 case "$cf_cv_ncurses_header" in
3016 (*ncurses.h)
3017         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
3018         ;;
3019 esac
3020
3021 case "$cf_cv_ncurses_header" in
3022 (ncurses/curses.h|ncurses/ncurses.h)
3023         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
3024         ;;
3025 (ncursesw/curses.h|ncursesw/ncurses.h)
3026         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
3027         ;;
3028 esac
3029
3030 ])dnl
3031 dnl ---------------------------------------------------------------------------
3032 dnl CF_NCURSES_LIBS version: 20 updated: 2021/01/03 08:05:37
3033 dnl ---------------
3034 dnl Look for the ncurses library.  This is a little complicated on Linux,
3035 dnl because it may be linked with the gpm (general purpose mouse) library.
3036 dnl Some distributions have gpm linked with (bsd) curses, which makes it
3037 dnl unusable with ncurses.  However, we don't want to link with gpm unless
3038 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
3039 dnl and the linker will record a dependency.
3040 dnl
3041 dnl The optional parameter gives the root name of the library, in case it is
3042 dnl not installed as the default curses library.  That is how the
3043 dnl wide-character version of ncurses is installed.
3044 AC_DEFUN([CF_NCURSES_LIBS],
3045 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
3046
3047 cf_nculib_root=ifelse($1,,ncurses,$1)
3048         # This works, except for the special case where we find gpm, but
3049         # ncurses is in a nonstandard location via $LIBS, and we really want
3050         # to link gpm.
3051 cf_ncurses_LIBS=""
3052 cf_ncurses_SAVE="$LIBS"
3053 AC_CHECK_LIB(gpm,Gpm_Open,
3054         [AC_CHECK_LIB(gpm,initscr,
3055                 [LIBS="$cf_ncurses_SAVE"],
3056                 [cf_ncurses_LIBS="-lgpm"])])
3057
3058 case "$host_os" in
3059 (freebsd*)
3060         # This is only necessary if you are linking against an obsolete
3061         # version of ncurses (but it should do no harm, since it's static).
3062         if test "$cf_nculib_root" = ncurses ; then
3063                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
3064         fi
3065         ;;
3066 esac
3067
3068 CF_ADD_LIBS($cf_ncurses_LIBS)
3069
3070 if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
3071 then
3072         CF_ADD_LIBS(-l$cf_nculib_root)
3073 else
3074         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
3075                 [#include <${cf_cv_ncurses_header:-curses.h}>],
3076                 [initscr()],
3077                 initscr)
3078 fi
3079
3080 if test -n "$cf_ncurses_LIBS" ; then
3081         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
3082         cf_ncurses_SAVE="$LIBS"
3083         for p in $cf_ncurses_LIBS ; do
3084                 q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
3085                 if test "$q" != "$LIBS" ; then
3086                         LIBS="$q"
3087                 fi
3088         done
3089         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
3090                 [initscr(); mousemask(0,0); tigetstr((char *)0);],
3091                 [AC_MSG_RESULT(yes)],
3092                 [AC_MSG_RESULT(no)
3093                  LIBS="$cf_ncurses_SAVE"])
3094 fi
3095
3096 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3097 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3098 ])dnl
3099 dnl ---------------------------------------------------------------------------
3100 dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42
3101 dnl ------------------
3102 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3103 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
3104 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3105 AC_DEFUN([CF_NCURSES_VERSION],
3106 [
3107 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3108 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3109         cf_cv_ncurses_version=no
3110         cf_tempfile=out$$
3111         rm -f "$cf_tempfile"
3112         AC_TRY_RUN([
3113 #include <${cf_cv_ncurses_header:-curses.h}>
3114 #include <stdio.h>
3115 int main(void)
3116 {
3117         FILE *fp = fopen("$cf_tempfile", "w");
3118 #ifdef NCURSES_VERSION
3119 # ifdef NCURSES_VERSION_PATCH
3120         fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3121 # else
3122         fprintf(fp, "%s\\n", NCURSES_VERSION);
3123 # endif
3124 #else
3125 # ifdef __NCURSES_H
3126         fprintf(fp, "old\\n");
3127 # else
3128         make an error
3129 # endif
3130 #endif
3131         ${cf_cv_main_return:-return}(0);
3132 }],[
3133         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3134
3135         # This will not work if the preprocessor splits the line after the
3136         # Autoconf token.  The 'unproto' program does that.
3137         cat > "conftest.$ac_ext" <<EOF
3138 #include <${cf_cv_ncurses_header:-curses.h}>
3139 #undef Autoconf
3140 #ifdef NCURSES_VERSION
3141 Autoconf NCURSES_VERSION
3142 #else
3143 #ifdef __NCURSES_H
3144 Autoconf "old"
3145 #endif
3146 ;
3147 #endif
3148 EOF
3149         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3150         AC_TRY_EVAL(cf_try)
3151         if test -f conftest.out ; then
3152                 cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out`
3153                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3154                 rm -f conftest.out
3155         fi
3156 ])
3157         rm -f "$cf_tempfile"
3158 ])
3159 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3160 ])dnl
3161 dnl ---------------------------------------------------------------------------
3162 dnl CF_OBJ_SUBDIR version: 8 updated: 2021/01/01 13:31:04
3163 dnl -------------
3164 dnl Compute the object-directory name from the given model name
3165 AC_DEFUN([CF_OBJ_SUBDIR],
3166 [
3167         case $1 in
3168         (libtool) $2='obj_lo'  ;;
3169         (normal)  $2='objects' ;;
3170         (debug)   $2='obj_g' ;;
3171         (profile) $2='obj_p' ;;
3172         (shared)
3173                 case "$cf_cv_system_name" in
3174                 (cygwin|msys)
3175                         $2='objects' ;;
3176                 (*)
3177                         $2='obj_s' ;;
3178                 esac
3179         esac
3180 ])dnl
3181 dnl ---------------------------------------------------------------------------
3182 dnl CF_PATHSEP version: 8 updated: 2021/01/01 13:31:04
3183 dnl ----------
3184 dnl Provide a value for the $PATH and similar separator (or amend the value
3185 dnl as provided in autoconf 2.5x).
3186 AC_DEFUN([CF_PATHSEP],
3187 [
3188         AC_MSG_CHECKING(for PATH separator)
3189         case "$cf_cv_system_name" in
3190         (os2*)  PATH_SEPARATOR=';'  ;;
3191         (*)     ${PATH_SEPARATOR:=':'}  ;;
3192         esac
3193 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3194         AC_SUBST(PATH_SEPARATOR)
3195         AC_MSG_RESULT($PATH_SEPARATOR)
3196 ])dnl
3197 dnl ---------------------------------------------------------------------------
3198 dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20
3199 dnl --------------
3200 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
3201 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3202 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
3203 dnl delayed evaluation of those symbols.
3204 AC_DEFUN([CF_PATH_SYNTAX],[
3205 if test "x$prefix" != xNONE; then
3206         cf_path_syntax="$prefix"
3207 else
3208         cf_path_syntax="$ac_default_prefix"
3209 fi
3210
3211 case ".[$]$1" in
3212 (.\[$]\(*\)*|.\'*\'*)
3213         ;;
3214 (..|./*|.\\*)
3215         ;;
3216 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3217         ;;
3218 (.\[$]\{*prefix\}*|.\[$]\{*dir\}*)
3219         eval $1="[$]$1"
3220         case ".[$]$1" in
3221         (.NONE/*)
3222                 $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
3223                 ;;
3224         esac
3225         ;;
3226 (.no|.NONE/*)
3227         $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
3228         ;;
3229 (*)
3230         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3231         ;;
3232 esac
3233 ])dnl
3234 dnl ---------------------------------------------------------------------------
3235 dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04
3236 dnl -------------
3237 dnl Check for the package-config program, unless disabled by command-line.
3238 AC_DEFUN([CF_PKG_CONFIG],
3239 [
3240 AC_MSG_CHECKING(if you want to use pkg-config)
3241 AC_ARG_WITH(pkg-config,
3242         [  --with-pkg-config{=path} enable/disable use of pkg-config],
3243         [cf_pkg_config=$withval],
3244         [cf_pkg_config=yes])
3245 AC_MSG_RESULT($cf_pkg_config)
3246
3247 case "$cf_pkg_config" in
3248 (no)
3249         PKG_CONFIG=none
3250         ;;
3251 (yes)
3252         CF_ACVERSION_CHECK(2.52,
3253                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3254                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3255         ;;
3256 (*)
3257         PKG_CONFIG=$withval
3258         ;;
3259 esac
3260
3261 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3262 if test "$PKG_CONFIG" != none ; then
3263         CF_PATH_SYNTAX(PKG_CONFIG)
3264 elif test "x$cf_pkg_config" != xno ; then
3265         AC_MSG_WARN(pkg-config is not installed)
3266 fi
3267
3268 AC_SUBST(PKG_CONFIG)
3269 ])dnl
3270 dnl ---------------------------------------------------------------------------
3271 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3272 dnl -----------------
3273 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3274 dnl
3275 dnl     POSIX.1-1990                            _POSIX_SOURCE
3276 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
3277 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
3278 dnl             Bindings Option
3279 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
3280 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
3281 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
3282 dnl
3283 dnl Parameters:
3284 dnl     $1 is the nominal value for _POSIX_C_SOURCE
3285 AC_DEFUN([CF_POSIX_C_SOURCE],
3286 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3287
3288 if test "$cf_cv_posix_visible" = no; then
3289
3290 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3291
3292 cf_save_CFLAGS="$CFLAGS"
3293 cf_save_CPPFLAGS="$CPPFLAGS"
3294
3295 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3296 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3297
3298 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3299         CF_MSG_LOG(if the symbol is already defined go no further)
3300         AC_TRY_COMPILE([#include <sys/types.h>],[
3301 #ifndef _POSIX_C_SOURCE
3302 make an error
3303 #endif],
3304         [cf_cv_posix_c_source=no],
3305         [cf_want_posix_source=no
3306          case .$cf_POSIX_C_SOURCE in
3307          (.[[12]]??*)
3308                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3309                 ;;
3310          (.2)
3311                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3312                 cf_want_posix_source=yes
3313                 ;;
3314          (.*)
3315                 cf_want_posix_source=yes
3316                 ;;
3317          esac
3318          if test "$cf_want_posix_source" = yes ; then
3319                 AC_TRY_COMPILE([#include <sys/types.h>],[
3320 #ifdef _POSIX_SOURCE
3321 make an error
3322 #endif],[],
3323                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3324          fi
3325          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3326          CFLAGS="$cf_trim_CFLAGS"
3327          CPPFLAGS="$cf_trim_CPPFLAGS"
3328          CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3329          CF_MSG_LOG(if the second compile does not leave our definition intact error)
3330          AC_TRY_COMPILE([#include <sys/types.h>],[
3331 #ifndef _POSIX_C_SOURCE
3332 make an error
3333 #endif],,
3334          [cf_cv_posix_c_source=no])
3335          CFLAGS="$cf_save_CFLAGS"
3336          CPPFLAGS="$cf_save_CPPFLAGS"
3337         ])
3338 ])
3339
3340 if test "$cf_cv_posix_c_source" != no ; then
3341         CFLAGS="$cf_trim_CFLAGS"
3342         CPPFLAGS="$cf_trim_CPPFLAGS"
3343         CF_ADD_CFLAGS($cf_cv_posix_c_source)
3344 fi
3345
3346 fi # cf_cv_posix_visible
3347
3348 ])dnl
3349 dnl ---------------------------------------------------------------------------
3350 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3351 dnl ----------------
3352 dnl POSIX documents test-macros which an application may set before any system
3353 dnl headers are included to make features available.
3354 dnl
3355 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3356 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3357 dnl recent features visible in the system header files unless the application
3358 dnl overrides the corresponding test-macros.  Doing that introduces portability
3359 dnl problems.
3360 dnl
3361 dnl This macro makes a special check for the symbols used for this, to avoid a
3362 dnl conflicting definition.
3363 AC_DEFUN([CF_POSIX_VISIBLE],
3364 [
3365 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3366 AC_TRY_COMPILE([#include <stdio.h>],[
3367 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3368         && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3369         && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3370         && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3371 #error conflicting symbols found
3372 #endif
3373 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3374 ])
3375 ])dnl
3376 dnl ---------------------------------------------------------------------------
3377 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3378 dnl ----------
3379 dnl Check for archiver "ar".
3380 AC_DEFUN([CF_PROG_AR],[
3381 AC_CHECK_TOOL(AR, ar, ar)
3382 ])
3383 dnl ---------------------------------------------------------------------------
3384 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3385 dnl -----------
3386 dnl Check for awk, ensure that the check found something.
3387 AC_DEFUN([CF_PROG_AWK],
3388 [
3389 AC_PROG_AWK
3390 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3391 ])dnl
3392 dnl ---------------------------------------------------------------------------
3393 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3394 dnl ----------
3395 dnl standard check for CC, plus followup sanity checks
3396 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3397 AC_DEFUN([CF_PROG_CC],[
3398 CF_ACVERSION_CHECK(2.53,
3399         [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3400          AC_REQUIRE([AC_PROG_CC])],
3401         [])
3402 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3403 CF_GCC_VERSION
3404 CF_ACVERSION_CHECK(2.52,
3405         [AC_PROG_CC_STDC],
3406         [CF_ANSI_CC_REQD])
3407 CF_CC_ENV_FLAGS
3408 ])dnl
3409 dnl ---------------------------------------------------------------------------
3410 dnl CF_PROG_CC_C_O version: 6 updated: 2021/01/01 13:31:04
3411 dnl --------------
3412 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3413 dnl the output file can be renamed, and allows for a shell variable that can
3414 dnl be used later.  The parameter is either CC or CXX.  The result is the
3415 dnl cache variable:
3416 dnl     $cf_cv_prog_CC_c_o
3417 dnl     $cf_cv_prog_CXX_c_o
3418 dnl
3419 dnl $1 = compiler
3420 dnl $2 = compiler options, if any
3421 AC_DEFUN([CF_PROG_CC_C_O],
3422 [AC_REQUIRE([AC_PROG_CC])dnl
3423 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3424 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3425 [
3426 cat > conftest.$ac_ext <<CF_EOF
3427 int main(void)
3428 {
3429         ${cf_cv_main_return:-return}(0);
3430 }
3431 CF_EOF
3432 # We do the test twice because some compilers refuse to overwrite an
3433 # existing .o file with -o, though they will create one.
3434 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3435 if AC_TRY_EVAL(ac_try) &&
3436   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3437 then
3438   eval cf_cv_prog_$1_c_o=yes
3439 else
3440   eval cf_cv_prog_$1_c_o=no
3441 fi
3442 rm -rf ./conftest*
3443 ])dnl
3444 if test "$cf_cv_prog_$1_c_o" = yes; then
3445   AC_MSG_RESULT([yes])
3446 else
3447   AC_MSG_RESULT([no])
3448 fi
3449 ])dnl
3450 dnl ---------------------------------------------------------------------------
3451 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3452 dnl -------------
3453 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3454 dnl This macro adds a check to ensure the script found something.
3455 AC_DEFUN([CF_PROG_EGREP],
3456 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3457         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3458                 then ac_cv_prog_egrep='grep -E'
3459                 else ac_cv_prog_egrep='egrep'
3460         fi])
3461         EGREP=$ac_cv_prog_egrep
3462         AC_SUBST([EGREP])
3463         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3464 ])dnl
3465 dnl ---------------------------------------------------------------------------
3466 dnl CF_PROG_EXT version: 15 updated: 2021/01/02 09:31:20
3467 dnl -----------
3468 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3469 AC_DEFUN([CF_PROG_EXT],
3470 [
3471 AC_REQUIRE([CF_CHECK_CACHE])
3472 case "$cf_cv_system_name" in
3473 (os2*)
3474         CFLAGS="$CFLAGS -Zmt"
3475         CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3476         CXXFLAGS="$CXXFLAGS -Zmt"
3477         # autoconf's macro sets -Zexe and suffix both, which conflict:w
3478         LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3479         ac_cv_exeext=.exe
3480         ;;
3481 esac
3482
3483 AC_EXEEXT
3484 AC_OBJEXT
3485
3486 PROG_EXT="$EXEEXT"
3487 AC_SUBST(PROG_EXT)
3488 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3489 ])dnl
3490 dnl ---------------------------------------------------------------------------
3491 dnl CF_PROG_GNAT version: 12 updated: 2021/01/02 17:09:14
3492 dnl ------------
3493 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3494 AC_DEFUN([CF_PROG_GNAT],[
3495 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3496 do
3497         CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3498
3499         unset ac_cv_path_cf_TEMP_gnat
3500         unset cf_TEMP_gnat
3501         AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3502         eval "cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat"
3503
3504         if test "x$cf_TEMP_gnat" != xno; then
3505                 unset cf_cv_gnat_version
3506                 unset cf_TEMP_gnat
3507                 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3508         fi
3509         eval "cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat"
3510
3511         unset cf_TEMP_gnat
3512         unset cf_cv_gnat_version
3513         unset ac_cv_path_cf_TEMP_gnat
3514 done
3515
3516 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3517         cf_ada_make=
3518         cf_cv_prog_gnat_correct=no
3519 else
3520         cf_ada_make=gnatmake
3521         if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3522                 # gprconfig is newer than gnatmake; we can continue...
3523                 cf_ada_config="##"
3524         else
3525                 rm -rf ./conftest* ./*~conftest*
3526                 if mkdir conftest.src
3527                 then
3528                         cf_ada_config=""
3529                         cd conftest.src
3530                         for cf_gprconfig in Ada C
3531                         do
3532                                 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3533                                 if test "$cf_gprconfig" = C
3534                                 then
3535                                         for cf_gprconfig_param in \
3536                                                 "$cf_gprconfig,,,,GNATGCC" \
3537                                                 "$cf_gprconfig,,,,GCC" \
3538                                                 "$cf_gprconfig"
3539                                         do
3540                                                 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3541                                                 test -n "$cf_gprconfig_value" && break
3542                                         done
3543                                 else
3544                                         cf_gprconfig_param=$cf_gprconfig
3545                                         cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3546                                 fi
3547                                 if test -n "$cf_gprconfig_value"
3548                                 then
3549                                         eval "cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value"
3550                                         AC_MSG_RESULT($cf_gprconfig_value)
3551                                 else
3552                                         AC_MSG_RESULT(missing)
3553                                         cf_ada_config="#"
3554                                         break
3555                                 fi
3556                         done
3557                         cd ..
3558                         rm -rf ./conftest* ./*~conftest*
3559                 fi
3560         fi
3561         if test "x$cf_ada_config" != "x#"
3562         then
3563                 CF_GNAT_VERSION
3564                 CF_CHECK_GNAT_VERSION
3565                 AC_CHECK_PROG(M4_exists, m4, yes, no)
3566                 if test "$ac_cv_prog_M4_exists" = no; then
3567                         cf_cv_prog_gnat_correct=no
3568                         AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3569                 fi
3570                 if test "$cf_cv_prog_gnat_correct" = yes; then
3571                         AC_MSG_CHECKING(if GNAT works)
3572                         CF_GNAT_TRY_RUN([procedure conftest;],
3573 [with Text_IO;
3574 with GNAT.OS_Lib;
3575 procedure conftest is
3576 begin
3577    Text_IO.Put ("Hello World");
3578    Text_IO.New_Line;
3579    GNAT.OS_Lib.OS_Exit (0);
3580 end conftest;],
3581 [cf_cv_prog_gnat_correct=yes],
3582 [cf_cv_prog_gnat_correct=no])
3583                         AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3584                 fi
3585         else
3586                 cf_cv_prog_gnat_correct=no
3587         fi
3588 fi
3589
3590 AC_SUBST(cf_ada_make)
3591 AC_SUBST(cf_ada_config)
3592 AC_SUBST(cf_ada_config_Ada)
3593 AC_SUBST(cf_ada_config_C)
3594 ])dnl
3595 dnl ---------------------------------------------------------------------------
3596 dnl CF_PROG_INSTALL version: 10 updated: 2021/01/04 19:33:05
3597 dnl ---------------
3598 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
3599 dnl misc/tabset install won't work properly.  Usually this happens only when
3600 dnl using the fallback mkinstalldirs script
3601 AC_DEFUN([CF_PROG_INSTALL],
3602 [AC_PROG_INSTALL
3603 case $INSTALL in
3604 (/*)
3605         ;;
3606 (*)
3607         CF_DIRNAME(cf_dir,$INSTALL)
3608         test -z "$cf_dir" && cf_dir=.
3609         INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`"
3610         ;;
3611 esac
3612 ])dnl
3613 dnl ---------------------------------------------------------------------------
3614 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3615 dnl ------------
3616 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3617 dnl option if it is supported.
3618 AC_DEFUN([CF_PROG_LN_S],[
3619 AC_PROG_LN_S
3620 AC_MSG_CHECKING(if $LN_S -f options work)
3621
3622 rm -f conf$$.src conf$$dst
3623 echo >conf$$.dst
3624 echo first >conf$$.src
3625 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3626         cf_prog_ln_sf=yes
3627 else
3628         cf_prog_ln_sf=no
3629 fi
3630 rm -f conf$$.dst conf$$src
3631 AC_MSG_RESULT($cf_prog_ln_sf)
3632
3633 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3634 ])dnl
3635 dnl ---------------------------------------------------------------------------
3636 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3637 dnl ----------------
3638 dnl Remove all -U and -D options that refer to the given symbol from a list
3639 dnl of C compiler options.  This works around the problem that not all
3640 dnl compilers process -U and -D options from left-to-right, so a -U option
3641 dnl cannot be used to cancel the effect of a preceding -D option.
3642 dnl
3643 dnl $1 = target (which could be the same as the source variable)
3644 dnl $2 = source (including '$')
3645 dnl $3 = symbol to remove
3646 define([CF_REMOVE_DEFINE],
3647 [
3648 $1=`echo "$2" | \
3649         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
3650                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
3651 ])dnl
3652 dnl ---------------------------------------------------------------------------
3653 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3654 dnl -------------
3655 dnl Remove the given library from the symbol
3656 dnl
3657 dnl $1 = target (which could be the same as the source variable)
3658 dnl $2 = source (including '$')
3659 dnl $3 = library to remove
3660 define([CF_REMOVE_LIB],
3661 [
3662 # remove $3 library from $2
3663 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
3664 ])dnl
3665 dnl ---------------------------------------------------------------------------
3666 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3667 dnl ---------------------
3668 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3669 dnl $1 = name of current macro
3670 define([CF_RESTORE_XTRA_FLAGS],
3671 [
3672 LIBS="$cf_save_LIBS_$1"
3673 CFLAGS="$cf_save_CFLAGS_$1"
3674 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3675 ])dnl
3676 dnl ---------------------------------------------------------------------------
3677 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3678 dnl ------------------
3679 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3680 dnl and libraries which do not update those variables.
3681 dnl
3682 dnl $1 = name of current macro
3683 define([CF_SAVE_XTRA_FLAGS],
3684 [
3685 cf_save_LIBS_$1="$LIBS"
3686 cf_save_CFLAGS_$1="$CFLAGS"
3687 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3688 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3689 for cf_X_CFLAGS in $X_CFLAGS
3690 do
3691         case "x$cf_X_CFLAGS" in
3692         x-[[IUD]]*)
3693                 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3694                 ;;
3695         *)
3696                 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3697                 ;;
3698         esac
3699 done
3700 ])dnl
3701 dnl ---------------------------------------------------------------------------
3702 dnl CF_SHARED_OPTS version: 105 updated: 2021/01/02 17:09:14
3703 dnl --------------
3704 dnl --------------
3705 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3706 dnl library.
3707 dnl
3708 dnl Notes:
3709 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3710 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3711 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3712 dnl shared library since that can lead to unexpected results at runtime.
3713 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3714 dnl libraries are compiled in ../../lib
3715 dnl
3716 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3717 dnl to install symbolic links to the rel/abi versions of shared libraries.
3718 dnl
3719 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3720 dnl version when making symbolic links.
3721 dnl
3722 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3723 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3724 dnl (ex: libncurses.so.<ver>).
3725 dnl
3726 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
3727 AC_DEFUN([CF_SHARED_OPTS],
3728 [
3729         AC_REQUIRE([CF_LD_RPATH_OPT])
3730
3731         RM_SHARED_OPTS=
3732         LOCAL_LDFLAGS=
3733         LOCAL_LDFLAGS2=
3734         LD_SHARED_OPTS=
3735         INSTALL_LIB="-m 644"
3736         : ${rel_builddir:=.}
3737
3738         shlibdir=$libdir
3739         AC_SUBST(shlibdir)
3740
3741         MAKE_DLLS="#"
3742         AC_SUBST(MAKE_DLLS)
3743
3744         cf_cv_do_symlinks=no
3745         cf_ld_rpath_opt=
3746         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3747
3748         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3749         AC_ARG_WITH(shlib-version,
3750         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
3751         [test -z "$withval" && withval=auto
3752         case "$withval" in
3753         (yes)
3754                 cf_cv_shlib_version=auto
3755                 ;;
3756         (rel|abi|auto)
3757                 cf_cv_shlib_version=$withval
3758                 ;;
3759         (*)
3760                 AC_MSG_RESULT($withval)
3761                 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3762                 ;;
3763         esac
3764         ],[cf_cv_shlib_version=auto])
3765         AC_MSG_RESULT($cf_cv_shlib_version)
3766
3767         cf_cv_rm_so_locs=no
3768         cf_try_cflags=
3769
3770         # Some less-capable ports of gcc support only -fpic
3771         CC_SHARED_OPTS=
3772
3773         cf_try_fPIC=no
3774         if test "$GCC" = yes
3775         then
3776                 cf_try_fPIC=yes
3777         else
3778                 case "$cf_cv_system_name" in
3779                 (*linux*)       # e.g., PGI compiler
3780                         cf_try_fPIC=yes
3781                         ;;
3782                 esac
3783         fi
3784
3785         if test "$cf_try_fPIC" = yes
3786         then
3787                 AC_MSG_CHECKING(which $CC option to use)
3788                 cf_save_CFLAGS="$CFLAGS"
3789                 for CC_SHARED_OPTS in -fPIC -fpic ''
3790                 do
3791                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3792                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3793                 done
3794                 AC_MSG_RESULT($CC_SHARED_OPTS)
3795                 CFLAGS="$cf_save_CFLAGS"
3796         fi
3797
3798         cf_cv_shlib_version_infix=no
3799
3800         case "$cf_cv_system_name" in
3801         (aix4.[3-9]*|aix[[5-7]]*)
3802                 if test "$GCC" = yes; then
3803                         CC_SHARED_OPTS='-Wl,-brtl'
3804                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3805                 else
3806                         CC_SHARED_OPTS='-brtl'
3807                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3808                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3809                 fi
3810                 ;;
3811         (beos*)
3812                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3813                 ;;
3814         (cygwin*)
3815                 CC_SHARED_OPTS=
3816                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3817                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3818                 cf_cv_shlib_version=cygdll
3819                 cf_cv_shlib_version_infix=cygdll
3820                 shlibdir=$bindir
3821                 MAKE_DLLS=
3822                 cat >mk_shared_lib.sh <<-CF_EOF
3823                 #!$SHELL
3824                 SHARED_LIB=\[$]1
3825                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3826                 shift
3827                 cat <<-EOF
3828                 Linking shared library
3829                 ** SHARED_LIB \[$]SHARED_LIB
3830                 ** IMPORT_LIB \[$]IMPORT_LIB
3831 EOF
3832                 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3833 CF_EOF
3834                 chmod +x mk_shared_lib.sh
3835                 ;;
3836         (msys*)
3837                 CC_SHARED_OPTS=
3838                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3839                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3840                 cf_cv_shlib_version=msysdll
3841                 cf_cv_shlib_version_infix=msysdll
3842                 shlibdir=$bindir
3843                 MAKE_DLLS=
3844                 cat >mk_shared_lib.sh <<-CF_EOF
3845                 #!$SHELL
3846                 SHARED_LIB=\[$]1
3847                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3848                 shift
3849                 cat <<-EOF
3850                 Linking shared library
3851                 ** SHARED_LIB \[$]SHARED_LIB
3852                 ** IMPORT_LIB \[$]IMPORT_LIB
3853 EOF
3854                 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3855 CF_EOF
3856                 chmod +x mk_shared_lib.sh
3857                 ;;
3858         (darwin*)
3859                 cf_try_cflags="no-cpp-precomp"
3860                 CC_SHARED_OPTS="-dynamic"
3861                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3862                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3863                 cf_cv_shlib_version_infix=yes
3864                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3865                         cf_save_LDFLAGS=$LDFLAGS
3866                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3867                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3868                                 LDFLAGS=$cf_save_LDFLAGS])
3869                 if test "$cf_cv_ldflags_search_paths_first" = yes; then
3870                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3871                 fi
3872                 ;;
3873         (hpux[[7-8]]*)
3874                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3875                 if test "$GCC" != yes; then
3876                         CC_SHARED_OPTS='+Z'
3877                 fi
3878                 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3879                 INSTALL_LIB="-m 555"
3880                 ;;
3881         (hpux*)
3882                 # (tested with gcc 2.7.2 -- I don't have c89)
3883                 if test "$GCC" = yes; then
3884                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3885                 else
3886                         CC_SHARED_OPTS='+Z'
3887                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3888                 fi
3889                 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3890                 # HP-UX shared libraries must be executable, and should be
3891                 # readonly to exploit a quirk in the memory manager.
3892                 INSTALL_LIB="-m 555"
3893                 ;;
3894         (interix*)
3895                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3896                 if test "$cf_cv_shlib_version" = rel; then
3897                         cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3898                 else
3899                         cf_shared_soname='`basename $[@]`'
3900                 fi
3901                 CC_SHARED_OPTS=
3902                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3903                 ;;
3904         (irix*)
3905                 if test "$cf_cv_enable_rpath" = yes ; then
3906                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3907                 fi
3908                 # tested with IRIX 5.2 and 'cc'.
3909                 if test "$GCC" != yes; then
3910                         CC_SHARED_OPTS='-KPIC'
3911                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3912                 else
3913                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3914                 fi
3915                 cf_cv_rm_so_locs=yes
3916                 ;;
3917         (linux*|gnu*|k*bsd*-gnu)
3918                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3919                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3920                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3921                 fi
3922                 if test "$cf_cv_enable_rpath" = yes ; then
3923                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3924                 fi
3925                 CF_SHARED_SONAME
3926                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3927                 ;;
3928         (mingw*msvc*)
3929                 cf_cv_shlib_version=msvcdll
3930                 cf_cv_shlib_version_infix=msvcdll
3931                 shlibdir=$bindir
3932                 MAKE_DLLS=
3933                 if test "$DFT_LWR_MODEL" = "shared" ; then
3934                         LOCAL_LDFLAGS="-link -dll"
3935                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3936                         EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3937                 fi
3938                 CC_SHARED_OPTS=
3939                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3940                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3941                 cat >mk_shared_lib.sh <<-CF_EOF
3942                 #!$SHELL
3943                 SHARED_LIB=\[$]1
3944                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3945                 shift
3946                 my_ld=\[$]1
3947                 shift
3948                 cat <<-EOF
3949                 Linking shared library
3950                 ** SHARED LIB \$SHARED_LIB
3951                 ** IMPORT_LIB \$IMPORT_LIB
3952 EOF
3953                 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3954                 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3955                 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3956 CF_EOF
3957                 chmod +x mk_shared_lib.sh
3958                 cat >mk_prog.sh <<-CF_EOF
3959                 #!$SHELL
3960                 shift
3961                 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3962                 LD="[$]LD"
3963                 clopts=()
3964                 ldopts=("/subsystem:console")
3965                 libs=()
3966                 isdll=0
3967                 while test \[$]# -gt 0; do
3968                         case "\[$]1" in
3969                                 -link)
3970                                         # ignore -link argument
3971                                         ;;
3972                                 -M[[TD]] | -M[[TD]]d)
3973                                         # ignore runtime-library option
3974                                         ;;
3975                                 -dll)
3976                                         isdll=1
3977                                         ;;
3978                                 -W* | -w*)
3979                                         # ignore warnings
3980                                         ;;
3981                                 -D*)
3982                                         clopts+=("\[$]1")
3983                                         ;;
3984                                 -I*)
3985                                         clopts+=("\[$]1")
3986                                         ;;
3987                                 -l*)
3988                                         libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3989                                         ;;
3990                                 -L*)
3991                                         ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3992                                         ;;
3993                                 *.obj | *.o)
3994                                         ldopts+=("\[$]1")
3995                                         ;;
3996                                 -Wl,*)
3997                                         for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3998                                                 ldopts+=("\[$]{linkarg}")
3999                                         done
4000                                         ;;
4001                                 *.lib)
4002                                         ldopts+=("\[$]1")
4003                                         ;;
4004                                 -o)
4005                                         shift
4006                                         ldopts+=("-out:\[$]1")
4007                                         ;;
4008                                 *)
4009                                         clopts+=("\[$]1")
4010                                         ldopts+=("\[$]1")
4011                                         ;;
4012                         esac
4013                         shift
4014                 done
4015                 if [[ "\$isdll" -ne 0 ]]; then
4016                         for lib in \[$]{libs[[*]]}; do
4017                                 ldopts+=("\[$]lib.dll.lib")
4018                         done
4019                 else
4020                         for lib in \[$]{libs[[*]]}; do
4021                                 ldopts+=("\[$]lib.lib")
4022                         done
4023                 fi
4024                 cat <<-EOF
4025                 Creating program
4026                 ** ld options:   "\[$]{ldopts[[@]]}"
4027 EOF
4028                 exec \[$]LD \[$]{ldopts[[@]]}
4029 CF_EOF
4030                 chmod +x mk_prog.sh
4031                 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
4032                 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
4033                 ;;
4034         (mingw*)
4035                 cf_cv_shlib_version=mingw
4036                 cf_cv_shlib_version_infix=mingw
4037                 shlibdir=$bindir
4038                 MAKE_DLLS=
4039                 if test "$DFT_LWR_MODEL" = "shared" ; then
4040                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
4041                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4042                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
4043                 fi
4044                 CC_SHARED_OPTS=
4045                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
4046                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
4047                 cat >mk_shared_lib.sh <<-CF_EOF
4048                 #!$SHELL
4049                 SHARED_LIB=\[$]1
4050                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
4051                 shift
4052                 cat <<-EOF
4053                 Linking shared library
4054                 ** SHARED_LIB \[$]SHARED_LIB
4055                 ** IMPORT_LIB \[$]IMPORT_LIB
4056 EOF
4057                 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
4058 CF_EOF
4059                 chmod +x mk_shared_lib.sh
4060                 ;;
4061         (openbsd[[2-9]].*|mirbsd*)
4062                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4063                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4064                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4065                 fi
4066                 if test "$cf_cv_enable_rpath" = yes ; then
4067                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4068                 fi
4069                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4070                 CF_SHARED_SONAME
4071                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4072                 ;;
4073         (nskJ*)
4074                 CC_SHARED_OPTS=
4075                 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
4076                 ;;
4077         (nskL*)
4078                 CC_SHARED_OPTS=
4079                 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
4080                 ;;
4081         (nto-qnx*|openbsd*|freebsd[[12]].*)
4082                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4083                 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
4084                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4085                 ;;
4086         (dragonfly*|freebsd*)
4087                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4088                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4089                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4090                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
4091                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4092                 fi
4093                 CF_SHARED_SONAME
4094                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4095                 ;;
4096         (netbsd*)
4097                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4098                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4099                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4100                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4101                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4102                         if test "$cf_cv_shlib_version" = auto; then
4103                         if test -f /usr/libexec/ld.elf_so; then
4104                                 cf_cv_shlib_version=abi
4105                         else
4106                                 cf_cv_shlib_version=rel
4107                         fi
4108                         fi
4109                         CF_SHARED_SONAME
4110                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4111                 else
4112                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4113                 fi
4114                 ;;
4115         (osf*|mls+*)
4116                 # tested with OSF/1 V3.2 and 'cc'
4117                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4118                 # link with shared libs).
4119                 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4120                 case "$host_os" in
4121                 (osf4*)
4122                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4123                         ;;
4124                 esac
4125                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4126                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4127                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4128                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4129                 fi
4130                 cf_cv_rm_so_locs=yes
4131                 ;;
4132         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
4133                 # tested with osr5.0.5
4134                 if test "$GCC" != yes; then
4135                         CC_SHARED_OPTS='-belf -KPIC'
4136                 fi
4137                 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4138                 if test "$cf_cv_enable_rpath" = yes ; then
4139                         # only way is to set LD_RUN_PATH but no switch for it
4140                         RUN_PATH=$libdir
4141                 fi
4142                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4143                 LINK_PROGS='LD_RUN_PATH=${libdir}'
4144                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4145                 ;;
4146         (sunos4*)
4147                 # tested with SunOS 4.1.1 and gcc 2.7.0
4148                 if test "$GCC" != yes; then
4149                         CC_SHARED_OPTS='-KPIC'
4150                 fi
4151                 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4152                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4153                 ;;
4154         (solaris2*)
4155                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4156                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4157                 if test "$DFT_LWR_MODEL" = "shared" ; then
4158                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4159                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4160                 fi
4161                 if test "$cf_cv_enable_rpath" = yes ; then
4162                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4163                 fi
4164                 CF_SHARED_SONAME
4165                 if test "$GCC" != yes; then
4166                         cf_save_CFLAGS="$CFLAGS"
4167                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4168                         do
4169                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4170                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\\n");],[break])
4171                         done
4172                         CFLAGS="$cf_save_CFLAGS"
4173                         CC_SHARED_OPTS=$cf_shared_opts
4174                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4175                 else
4176                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4177                 fi
4178                 ;;
4179         (sysv5uw7*|unix_sv*)
4180                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4181                 if test "$GCC" != yes; then
4182                         CC_SHARED_OPTS='-KPIC'
4183                 fi
4184                 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4185                 ;;
4186         (*)
4187                 CC_SHARED_OPTS='unknown'
4188                 MK_SHARED_LIB='echo unknown'
4189                 ;;
4190         esac
4191
4192         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4193         case "$cf_cv_shlib_version" in
4194         (rel|abi)
4195                 case "$MK_SHARED_LIB" in
4196                 (*'-o $[@]')
4197                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4198                         ;;
4199                 (*)
4200                         AC_MSG_WARN(ignored --with-shlib-version)
4201                         ;;
4202                 esac
4203                 ;;
4204         esac
4205
4206         if test -n "$cf_try_cflags"
4207         then
4208 cat > conftest.$ac_ext <<EOF
4209 #line __oline__ "${as_me:-configure}"
4210 #include <stdio.h>
4211 int main(int argc, char *argv[[]])
4212 {
4213         printf("hello\\n");
4214         return (argv[[argc-1]] == 0) ;
4215 }
4216 EOF
4217                 cf_save_CFLAGS="$CFLAGS"
4218                 for cf_opt in $cf_try_cflags
4219                 do
4220                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
4221                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4222                         if AC_TRY_EVAL(ac_compile); then
4223                                 AC_MSG_RESULT(yes)
4224                                 cf_save_CFLAGS="$CFLAGS"
4225                         else
4226                                 AC_MSG_RESULT(no)
4227                         fi
4228                 done
4229                 CFLAGS="$cf_save_CFLAGS"
4230         fi
4231
4232
4233         # RPATH_LIST is a colon-separated list of directories
4234         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4235         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4236
4237         test "$cf_cv_rm_so_locs" = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4238
4239         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4240         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
4241
4242         AC_SUBST(CC_SHARED_OPTS)
4243         AC_SUBST(LD_RPATH_OPT)
4244         AC_SUBST(LD_SHARED_OPTS)
4245         AC_SUBST(MK_SHARED_LIB)
4246         AC_SUBST(RM_SHARED_OPTS)
4247
4248         AC_SUBST(LINK_PROGS)
4249         AC_SUBST(LINK_TESTS)
4250
4251         AC_SUBST(EXTRA_LDFLAGS)
4252         AC_SUBST(LOCAL_LDFLAGS)
4253         AC_SUBST(LOCAL_LDFLAGS2)
4254
4255         AC_SUBST(INSTALL_LIB)
4256         AC_SUBST(RPATH_LIST)
4257 ])dnl
4258 dnl ---------------------------------------------------------------------------
4259 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4260 dnl ----------------
4261 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4262 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4263 dnl option.
4264 dnl
4265 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4266 dnl If missing, use "rel".
4267 define([CF_SHARED_SONAME],
4268 [
4269         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4270         if test "$cf_cv_shlib_version" = rel; then
4271                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4272         else
4273                 cf_cv_shared_soname='`basename $[@]`'
4274         fi
4275 ])
4276 dnl ---------------------------------------------------------------------------
4277 dnl CF_STRIP_G_OPT version: 4 updated: 2021/01/02 09:31:20
4278 dnl --------------
4279 dnl     Remove "-g" option from the compiler options
4280 AC_DEFUN([CF_STRIP_G_OPT],
4281 [$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl
4282 dnl ---------------------------------------------------------------------------
4283 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4284 dnl --------------
4285 dnl Construct a search-list for a nonstandard header/lib-file
4286 dnl     $1 = the variable to return as result
4287 dnl     $2 = the package name
4288 dnl     $3 = the subdirectory, e.g., bin, include or lib
4289 AC_DEFUN([CF_SUBDIR_PATH],
4290 [
4291 $1=
4292
4293 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4294
4295 for cf_subdir_prefix in \
4296         /usr \
4297         /usr/local \
4298         /usr/pkg \
4299         /opt \
4300         /opt/local \
4301         [$]HOME
4302 do
4303         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4304 done
4305 ])dnl
4306 dnl ---------------------------------------------------------------------------
4307 dnl CF_TERM_HEADER version: 6 updated: 2021/01/02 09:31:20
4308 dnl --------------
4309 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
4310 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
4311 dnl but some packagers change this, breaking various applications.
4312 AC_DEFUN([CF_TERM_HEADER],[
4313 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4314 case "${cf_cv_ncurses_header}" in
4315 (*/ncurses.h|*/ncursesw.h)
4316         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4317         ;;
4318 (*)
4319         cf_term_header=term.h
4320         ;;
4321 esac
4322
4323 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4324 do
4325 AC_TRY_COMPILE([#include <stdio.h>
4326 #include <${cf_cv_ncurses_header:-curses.h}>
4327 #include <$cf_test>
4328 ],[int x = auto_left_margin; (void)x],[
4329         cf_cv_term_header="$cf_test"],[
4330         cf_cv_term_header=unknown
4331         ])
4332         test "$cf_cv_term_header" != unknown && break
4333 done
4334 ])
4335
4336 # Set definitions to allow ifdef'ing to accommodate subdirectories
4337
4338 case "$cf_cv_term_header" in
4339 (*term.h)
4340         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4341         ;;
4342 esac
4343
4344 case "$cf_cv_term_header" in
4345 (ncurses/term.h)
4346         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4347         ;;
4348 (ncursesw/term.h)
4349         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4350         ;;
4351 esac
4352 ])dnl
4353 dnl ---------------------------------------------------------------------------
4354 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4355 dnl ---------------
4356 dnl Define a top_builddir symbol, for applications that need an absolute path.
4357 AC_DEFUN([CF_TOP_BUILDDIR],
4358 [
4359 top_builddir=ifelse($1,,`pwd`,$1)
4360 AC_SUBST(top_builddir)
4361 ])dnl
4362 dnl ---------------------------------------------------------------------------
4363 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4364 dnl -------------------
4365 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4366 dnl can define it successfully.
4367 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4368 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4369         AC_TRY_COMPILE([
4370 #include <stdlib.h>
4371 #include <string.h>
4372 #include <sys/types.h>
4373 ],[
4374 #ifndef _XOPEN_SOURCE
4375 make an error
4376 #endif],
4377         [cf_cv_xopen_source=no],
4378         [cf_save="$CPPFLAGS"
4379          CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4380          AC_TRY_COMPILE([
4381 #include <stdlib.h>
4382 #include <string.h>
4383 #include <sys/types.h>
4384 ],[
4385 #ifdef _XOPEN_SOURCE
4386 make an error
4387 #endif],
4388         [cf_cv_xopen_source=no],
4389         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4390         CPPFLAGS="$cf_save"
4391         ])
4392 ])
4393
4394 if test "$cf_cv_xopen_source" != no ; then
4395         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4396         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4397         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4398         CF_ADD_CFLAGS($cf_temp_xopen_source)
4399 fi
4400 ])
4401 dnl ---------------------------------------------------------------------------
4402 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4403 dnl --------
4404 dnl Make an uppercase version of a variable
4405 dnl $1=uppercase($2)
4406 AC_DEFUN([CF_UPPER],
4407 [
4408 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4409 ])dnl
4410 dnl ---------------------------------------------------------------------------
4411 dnl CF_UTF8_LIB version: 9 updated: 2021/05/19 19:35:25
4412 dnl -----------
4413 dnl Check for multibyte support, and if not found, utf8 compatibility library
4414 AC_DEFUN([CF_UTF8_LIB],
4415 [
4416 AC_HAVE_HEADERS(wchar.h)
4417 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4418         cf_save_LIBS="$LIBS"
4419         AC_TRY_LINK([
4420 #include <stdlib.h>
4421 #include <stdio.h>
4422 #ifdef HAVE_WCHAR_H
4423 #include <wchar.h>
4424 #endif
4425 ],[putwc(0,0);],
4426         [cf_cv_utf8_lib=yes],
4427         [CF_FIND_LINKAGE([
4428 #include <libutf8.h>],[putwc(0,0);],utf8,
4429                 [cf_cv_utf8_lib=add-on],
4430                 [cf_cv_utf8_lib=no])
4431 ])])
4432
4433 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4434 # ncurses/ncursesw:
4435 if test "$cf_cv_utf8_lib" = "add-on" ; then
4436         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4437         CF_ADD_INCDIR($cf_cv_header_path_utf8)
4438         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4439         CF_ADD_LIBS($cf_cv_library_file_utf8)
4440 fi
4441 ])dnl
4442 dnl ---------------------------------------------------------------------------
4443 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4444 dnl ----------
4445 dnl Use AC_VERBOSE w/o the warnings
4446 AC_DEFUN([CF_VERBOSE],
4447 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
4448 CF_MSG_LOG([$1])
4449 ])dnl
4450 dnl ---------------------------------------------------------------------------
4451 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4452 dnl ---------------
4453 dnl Check for compiler-support for weak symbols.
4454 dnl This works with "recent" gcc.
4455 AC_DEFUN([CF_WEAK_SYMBOLS],[
4456 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4457
4458 AC_TRY_COMPILE([
4459 #include <stdio.h>],
4460 [
4461 #if defined(__GNUC__)
4462 #  if defined __USE_ISOC99
4463 #    define _cat_pragma(exp)    _Pragma(#exp)
4464 #    define _weak_pragma(exp)   _cat_pragma(weak name)
4465 #  else
4466 #    define _weak_pragma(exp)
4467 #  endif
4468 #  define _declare(name)        __extension__ extern __typeof__(name) name
4469 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
4470 #endif
4471
4472 weak_symbol(fopen);
4473 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4474 ])
4475 ])dnl
4476 dnl ---------------------------------------------------------------------------
4477 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4478 dnl --------------------
4479 dnl Command-line option to specify the Ada95 compiler.
4480 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4481 AC_MSG_CHECKING(for ada-compiler)
4482 AC_ARG_WITH(ada-compiler,
4483         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4484         [cf_ada_compiler=$withval],
4485         [cf_ada_compiler=gnatmake])
4486 AC_SUBST(cf_ada_compiler)
4487 AC_MSG_RESULT($cf_ada_compiler)
4488 ])dnl
4489 dnl ---------------------------------------------------------------------------
4490 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4491 dnl -------------------
4492 dnl Command-line option to specify where Ada includes will install.
4493 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4494 AC_MSG_CHECKING(for ada-include)
4495 CF_WITH_PATH(ada-include,
4496    [  --with-ada-include=DIR  Ada includes are in DIR],
4497    ADA_INCLUDE,
4498    PREFIX/share/ada/adainclude,
4499    [$]prefix/share/ada/adainclude)
4500 AC_SUBST(ADA_INCLUDE)
4501 AC_MSG_RESULT($ADA_INCLUDE)
4502 ])dnl
4503 dnl ---------------------------------------------------------------------------
4504 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4505 dnl -------------------
4506 dnl CF_WITH_ADA_LIBNAME
4507 dnl -------------------
4508 dnl Command-line option to specify how to name the resulting Ada library.
4509 dnl $1 = default value
4510 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4511 AC_MSG_CHECKING(for ada-libname)
4512 AC_ARG_WITH(ada-libname,
4513    [  --with-ada-libname=XXX  override default Ada library-name],
4514    ADA_LIBNAME=[$]withval,
4515    ADA_LIBNAME=$1)
4516 case "x$ADA_LIBNAME" in
4517 (x|xyes|xno)
4518         ADA_LIBNAME=$1
4519         ;;
4520 esac
4521 AC_SUBST(ADA_LIBNAME)
4522 AC_MSG_RESULT($ADA_LIBNAME)
4523 ])dnl
4524 dnl ---------------------------------------------------------------------------
4525 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4526 dnl -------------------
4527 dnl Command-line option to specify where Ada objects will install.
4528 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4529 AC_MSG_CHECKING(for ada-objects)
4530 CF_WITH_PATH(ada-objects,
4531    [  --with-ada-objects=DIR  Ada objects are in DIR],
4532    ADA_OBJECTS,
4533    PREFIX/lib/ada/adalib,
4534    [$]prefix/lib/ada/adalib)
4535 AC_SUBST(ADA_OBJECTS)
4536 AC_MSG_RESULT($ADA_OBJECTS)
4537 ])dnl
4538 dnl ---------------------------------------------------------------------------
4539 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4540 dnl ---------------------
4541 dnl Command-line option to specify if an Ada95 shared-library should be built,
4542 dnl and optionally what its soname should be.
4543 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4544 AC_REQUIRE([CF_GNAT_PROJECTS])
4545 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4546 AC_ARG_WITH(ada-sharedlib,
4547         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4548         [with_ada_sharedlib=$withval],
4549         [with_ada_sharedlib=no])
4550 AC_MSG_RESULT($with_ada_sharedlib)
4551
4552 if test "x$with_ada_sharedlib" != xno
4553 then
4554         if test "x$cf_gnat_projects" != xyes
4555         then
4556                 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4557                 with_ada_sharedlib=no
4558         fi
4559 fi
4560
4561 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4562 MAKE_ADA_SHAREDLIB="#"
4563
4564 if test "x$with_ada_sharedlib" != xno
4565 then
4566         MAKE_ADA_SHAREDLIB=
4567         if test "x$with_ada_sharedlib" != xyes
4568         then
4569                 ADA_SHAREDLIB="$with_ada_sharedlib"
4570         fi
4571 fi
4572
4573 AC_SUBST(ADA_SHAREDLIB)
4574 AC_SUBST(MAKE_ADA_SHAREDLIB)
4575 ])dnl
4576 dnl ---------------------------------------------------------------------------
4577 dnl CF_WITH_CURSES_DIR version: 4 updated: 2021/01/02 19:22:58
4578 dnl ------------------
4579 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4580 dnl libraries.
4581 AC_DEFUN([CF_WITH_CURSES_DIR],[
4582
4583 AC_MSG_CHECKING(for specific curses-directory)
4584 AC_ARG_WITH(curses-dir,
4585         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
4586         [cf_cv_curses_dir=$withval],
4587         [cf_cv_curses_dir=no])
4588 AC_MSG_RESULT($cf_cv_curses_dir)
4589
4590 if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
4591 then
4592         CF_PATH_SYNTAX(withval)
4593         if test -d "$cf_cv_curses_dir"
4594         then
4595                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4596                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4597         fi
4598 fi
4599 ])dnl
4600 dnl ---------------------------------------------------------------------------
4601 dnl CF_WITH_LIB_PREFIX version: 2 updated: 2021/01/01 16:53:59
4602 dnl ------------------
4603 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
4604 dnl "lib" prefix, e.g., because it used the dll naming convention.
4605 dnl
4606 dnl $1 = variable to set
4607 AC_DEFUN([CF_WITH_LIB_PREFIX],
4608 [
4609 AC_MSG_CHECKING(if you want to have a library-prefix)
4610 AC_ARG_WITH(lib-prefix,
4611         [  --with-lib-prefix       override library-prefix],
4612         [with_lib_prefix=$withval],
4613         [with_lib_prefix=auto])
4614 AC_MSG_RESULT($with_lib_prefix)
4615
4616 if test "$with_lib_prefix" = auto
4617 then
4618         CF_LIB_PREFIX($1)
4619 elif test "$with_lib_prefix" = no
4620 then
4621         LIB_PREFIX=
4622 else
4623         LIB_PREFIX=$with_lib_prefix
4624 fi
4625 ])dnl
4626 dnl ---------------------------------------------------------------------------
4627 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4628 dnl ------------
4629 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4630 dnl defaulting to yes/no.
4631 dnl
4632 dnl $1 = option name
4633 dnl $2 = help-text
4634 dnl $3 = environment variable to set
4635 dnl $4 = default value, shown in the help-message, must be a constant
4636 dnl $5 = default value, if it's an expression & cannot be in the help-message
4637 dnl
4638 AC_DEFUN([CF_WITH_PATH],
4639 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4640 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4641 if ifelse([$5],,true,[test -n "$5"]) ; then
4642 CF_PATH_SYNTAX(withval)
4643 fi
4644 eval $3="$withval"
4645 AC_SUBST($3)dnl
4646 ])dnl
4647 dnl ---------------------------------------------------------------------------
4648 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 11 updated: 2021/01/01 16:16:30
4649 dnl -------------------------
4650 dnl Allow the choice of the pkg-config library directory to be overridden.
4651 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4652
4653 case "$PKG_CONFIG" in
4654 (no|none|yes)
4655         AC_MSG_CHECKING(for pkg-config library directory)
4656         ;;
4657 (*)
4658         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4659         ;;
4660 esac
4661
4662 PKG_CONFIG_LIBDIR=no
4663 AC_ARG_WITH(pkg-config-libdir,
4664         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4665         [PKG_CONFIG_LIBDIR=$withval],
4666         [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4667
4668 case x$PKG_CONFIG_LIBDIR in
4669 (x/*)
4670         ;;
4671 (xyes)
4672         # Look for the library directory using the same prefix as the executable
4673         if test "x$PKG_CONFIG" = xnone
4674         then
4675                 cf_path=$prefix
4676         else
4677                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4678         fi
4679
4680         # If you don't like using the default architecture, you have to specify the
4681         # intended library directory and corresponding compiler/linker options.
4682         #
4683         # This case allows for Debian's 2014-flavor of multiarch, along with the
4684         # most common variations before that point.  Some other variants spell the
4685         # directory differently, e.g., "pkg-config", and put it in unusual places.
4686         # pkg-config has always been poorly standardized, which is ironic...
4687         case x`(arch) 2>/dev/null` in
4688         (*64)
4689                 cf_search_path="\
4690                         $cf_path/lib/*64-linux-gnu \
4691                         $cf_path/share \
4692                         $cf_path/lib64 \
4693                         $cf_path/lib32 \
4694                         $cf_path/lib"
4695                 ;;
4696         (*)
4697                 cf_search_path="\
4698                         $cf_path/lib/*-linux-gnu \
4699                         $cf_path/share \
4700                         $cf_path/lib32 \
4701                         $cf_path/lib \
4702                         $cf_path/libdata"
4703                 ;;
4704         esac
4705
4706         CF_VERBOSE(list...)
4707         for cf_config in $cf_search_path
4708         do
4709                 CF_VERBOSE(checking $cf_config/pkgconfig)
4710                 if test -d "$cf_config/pkgconfig"
4711                 then
4712                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4713                         AC_MSG_CHECKING(done)
4714                         break
4715                 fi
4716         done
4717         ;;
4718 (*)
4719         ;;
4720 esac
4721
4722 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4723         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4724 fi
4725
4726 AC_SUBST(PKG_CONFIG_LIBDIR)
4727 ])dnl
4728 dnl ---------------------------------------------------------------------------
4729 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4730 dnl ---------------
4731 dnl Check for POSIX thread library.
4732 AC_DEFUN([CF_WITH_PTHREAD],
4733 [
4734 AC_MSG_CHECKING(if you want to link with the pthread library)
4735 AC_ARG_WITH(pthread,
4736         [  --with-pthread          use POSIX thread library],
4737         [with_pthread=$withval],
4738         [with_pthread=no])
4739 AC_MSG_RESULT($with_pthread)
4740
4741 if test "$with_pthread" != no ; then
4742         AC_CHECK_HEADER(pthread.h,[
4743         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4744
4745         for cf_lib_pthread in pthread c_r
4746         do
4747             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4748             cf_save_LIBS="$LIBS"
4749             CF_ADD_LIB($cf_lib_pthread)
4750             AC_TRY_LINK([
4751 #include <pthread.h>
4752 ],[
4753                 int rc = pthread_create(0,0,0,0);
4754                 int r2 = pthread_mutexattr_settype(0, 0);
4755 ],[with_pthread=yes],[with_pthread=no])
4756             LIBS="$cf_save_LIBS"
4757             AC_MSG_RESULT($with_pthread)
4758             test "$with_pthread" = yes && break
4759         done
4760
4761         if test "$with_pthread" = yes ; then
4762             CF_ADD_LIB($cf_lib_pthread)
4763             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4764         else
4765             AC_MSG_ERROR(Cannot link with pthread library)
4766         fi
4767         ])
4768 fi
4769 ])
4770 dnl ---------------------------------------------------------------------------
4771 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4772 dnl ---------------
4773 dnl For testing, override the derived host system-type which is used to decide
4774 dnl things such as the linker commands used to build shared libraries.  This is
4775 dnl normally chosen automatically based on the type of system which you are
4776 dnl building on.  We use it for testing the configure script.
4777 dnl
4778 dnl This is different from the --host option: it is used only for testing parts
4779 dnl of the configure script which would not be reachable with --host since that
4780 dnl relies on the build environment being real, rather than mocked up.
4781 AC_DEFUN([CF_WITH_SYSTYPE],[
4782 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4783 AC_ARG_WITH(system-type,
4784         [  --with-system-type=XXX  test: override derived host system-type],
4785 [AC_MSG_WARN(overriding system type to $withval)
4786         cf_cv_system_name=$withval
4787         host_os=$withval
4788 ])
4789 ])dnl
4790 dnl ---------------------------------------------------------------------------
4791 dnl CF_XOPEN_SOURCE version: 58 updated: 2021/05/01 17:49:36
4792 dnl ---------------
4793 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4794 dnl or adapt to the vendor's definitions to get equivalent functionality,
4795 dnl without losing the common non-POSIX features.
4796 dnl
4797 dnl Parameters:
4798 dnl     $1 is the nominal value for _XOPEN_SOURCE
4799 dnl     $2 is the nominal value for _POSIX_C_SOURCE
4800 AC_DEFUN([CF_XOPEN_SOURCE],[
4801 AC_REQUIRE([AC_CANONICAL_HOST])
4802 AC_REQUIRE([CF_POSIX_VISIBLE])
4803
4804 if test "$cf_cv_posix_visible" = no; then
4805
4806 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4807 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4808 cf_xopen_source=
4809
4810 case "$host_os" in
4811 (aix[[4-7]]*)
4812         cf_xopen_source="-D_ALL_SOURCE"
4813         ;;
4814 (msys)
4815         cf_XOPEN_SOURCE=600
4816         ;;
4817 (darwin[[0-8]].*)
4818         cf_xopen_source="-D_APPLE_C_SOURCE"
4819         ;;
4820 (darwin*)
4821         cf_xopen_source="-D_DARWIN_C_SOURCE"
4822         cf_XOPEN_SOURCE=
4823         ;;
4824 (freebsd*|dragonfly*|midnightbsd*)
4825         # 5.x headers associate
4826         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4827         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4828         cf_POSIX_C_SOURCE=200112L
4829         cf_XOPEN_SOURCE=600
4830         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4831         ;;
4832 (hpux11*)
4833         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4834         ;;
4835 (hpux*)
4836         cf_xopen_source="-D_HPUX_SOURCE"
4837         ;;
4838 (irix[[56]].*)
4839         cf_xopen_source="-D_SGI_SOURCE"
4840         cf_XOPEN_SOURCE=
4841         ;;
4842 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4843         CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4844         ;;
4845 (minix*)
4846         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4847         ;;
4848 (mirbsd*)
4849         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4850         cf_XOPEN_SOURCE=
4851         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4852         ;;
4853 (netbsd*)
4854         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4855         ;;
4856 (openbsd[[6-9]]*)
4857         # OpenBSD 6.x has broken locale support, both compile-time and runtime.
4858         # see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html
4859         # Abusing the conformance level is a workaround.
4860         AC_MSG_WARN(this system does not provide usable locale support)
4861         cf_xopen_source="-D_BSD_SOURCE"
4862         cf_XOPEN_SOURCE=700
4863         ;;
4864 (openbsd[[4-5]]*)
4865         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4866         cf_xopen_source="-D_BSD_SOURCE"
4867         cf_XOPEN_SOURCE=600
4868         ;;
4869 (openbsd*)
4870         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4871         ;;
4872 (osf[[45]]*)
4873         cf_xopen_source="-D_OSF_SOURCE"
4874         ;;
4875 (nto-qnx*)
4876         cf_xopen_source="-D_QNX_SOURCE"
4877         ;;
4878 (sco*)
4879         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4880         ;;
4881 (solaris2.*)
4882         cf_xopen_source="-D__EXTENSIONS__"
4883         cf_cv_xopen_source=broken
4884         ;;
4885 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4886         cf_XOPEN_SOURCE=
4887         cf_POSIX_C_SOURCE=
4888         ;;
4889 (*)
4890         CF_TRY_XOPEN_SOURCE
4891         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4892         ;;
4893 esac
4894
4895 if test -n "$cf_xopen_source" ; then
4896         CF_ADD_CFLAGS($cf_xopen_source,true)
4897 fi
4898
4899 dnl In anything but the default case, we may have system-specific setting
4900 dnl which is still not guaranteed to provide all of the entrypoints that
4901 dnl _XOPEN_SOURCE would yield.
4902 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4903         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4904         AC_TRY_COMPILE([#include <stdlib.h>],[
4905 #ifndef _XOPEN_SOURCE
4906 make an error
4907 #endif],
4908         [cf_XOPEN_SOURCE_set=yes],
4909         [cf_XOPEN_SOURCE_set=no])
4910         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4911         if test "$cf_XOPEN_SOURCE_set" = yes
4912         then
4913                 AC_TRY_COMPILE([#include <stdlib.h>],[
4914 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4915 make an error
4916 #endif],
4917                 [cf_XOPEN_SOURCE_set_ok=yes],
4918                 [cf_XOPEN_SOURCE_set_ok=no])
4919                 if test "$cf_XOPEN_SOURCE_set_ok" = no
4920                 then
4921                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4922                 fi
4923         else
4924                 CF_TRY_XOPEN_SOURCE
4925         fi
4926 fi
4927 fi # cf_cv_posix_visible
4928 ])
4929 dnl ---------------------------------------------------------------------------
4930 dnl CF__SED_TRIMBLANKS version: 1 updated: 2021/01/02 09:31:20
4931 dnl ------------------
4932 dnl Trim something using sed, then trim extra whitespace
4933 dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT
4934 define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[     ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl