Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 2010-2017,2018 Free Software Foundation, Inc.              *
   3 dnl                                                                          *
   4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   5 dnl copy of this software and associated documentation files (the            *
   6 dnl "Software"), to deal in the Software without restriction, including      *
   7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
   9 dnl copies of the Software, and to permit persons to whom the Software is    *
  10 dnl furnished to do so, subject to the following conditions:                 *
  11 dnl                                                                          *
  12 dnl The above copyright notice and this permission notice shall be included  *
  13 dnl in all copies or substantial portions of the Software.                   *
  14 dnl                                                                          *
  15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22 dnl                                                                          *
  23 dnl Except as contained in this notice, the name(s) of the above copyright   *
  24 dnl holders shall not be used in advertising or otherwise to promote the     *
  25 dnl sale, use or other dealings in this Software without prior written       *
  26 dnl authorization.                                                           *
  27 dnl***************************************************************************
  28 dnl
  29 dnl Author: Thomas E. Dickey
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.139 2018/11/11 00:48:11 tom Exp $
  32 dnl Macros used in NCURSES Ada95 auto-configuration script.
  33 dnl
  34 dnl These macros are maintained separately from NCURSES.  The copyright on
  35 dnl this file applies to the aggregation of macros and does not affect use of
  36 dnl these macros in other applications.
  37 dnl
  38 dnl See https://invisible-island.net/autoconf/ for additional information.
  39 dnl
  40 dnl ---------------------------------------------------------------------------
  41 dnl ---------------------------------------------------------------------------
  42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
  43 dnl ------------------
  44 dnl Conditionally generate script according to whether we're using a given autoconf.
  45 dnl
  46 dnl $1 = version to compare against
  47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  48 dnl $3 = code to use if AC_ACVERSION is older than $1.
  49 define([CF_ACVERSION_CHECK],
  50 [
  51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
  52 ifdef([m4_version_compare],
  53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  54 [CF_ACVERSION_COMPARE(
  55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  57 dnl ---------------------------------------------------------------------------
  58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
  59 dnl --------------------
  60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  61 dnl                      MAJOR2, MINOR2, TERNARY2,
  62 dnl                      PRINTABLE2, not FOUND, FOUND)
  63 define([CF_ACVERSION_COMPARE],
  64 [ifelse(builtin([eval], [$2 < $5]), 1,
  65 [ifelse([$8], , ,[$8])],
  66 [ifelse([$9], , ,[$9])])])dnl
  67 dnl ---------------------------------------------------------------------------
  68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
  69 dnl -------------------
  70 dnl Construct the list of include-options for the C programs in the Ada95
  71 dnl binding.
  72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  73 [
  74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  75 if test "$srcdir" != "."; then
  76         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
  77 fi
  78 if test "$GCC" != yes; then
  79         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  80 elif test "$includedir" != "/usr/include"; then
  81         if test "$includedir" = '${prefix}/include' ; then
  82                 if test x$prefix != x/usr ; then
  83                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  84                 fi
  85         else
  86                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  87         fi
  88 fi
  89 AC_SUBST(ACPPFLAGS)
  90 ])dnl
  91 dnl ---------------------------------------------------------------------------
  92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
  93 dnl ---------------
  94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
  95 AC_DEFUN([CF_ADD_ADAFLAGS],[
  96         ADAFLAGS="$ADAFLAGS $1"
  97         AC_SUBST(ADAFLAGS)
  98 ])dnl
  99 dnl ---------------------------------------------------------------------------
 100 dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
 101 dnl -------------
 102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 103 dnl The second parameter if given makes this macro verbose.
 104 dnl
 105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 107 dnl confused by the quotes (which require backslashes to keep them usable).
 108 AC_DEFUN([CF_ADD_CFLAGS],
 109 [
 110 cf_fix_cppflags=no
 111 cf_new_cflags=
 112 cf_new_cppflags=
 113 cf_new_extra_cppflags=
 114
 115 for cf_add_cflags in $1
 116 do
 117 case $cf_fix_cppflags in
 118 (no)
 119         case $cf_add_cflags in
 120         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 121                 case $cf_add_cflags in
 122                 (-D*)
 123                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 124
 125                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 126                                 && test -z "${cf_tst_cflags}" \
 127                                 && cf_fix_cppflags=yes
 128
 129                         if test $cf_fix_cppflags = yes ; then
 130                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 131                                 continue
 132                         elif test "${cf_tst_cflags}" = "\"'" ; then
 133                                 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 134                                 continue
 135                         fi
 136                         ;;
 137                 esac
 138                 case "$CPPFLAGS" in
 139                 (*$cf_add_cflags)
 140                         ;;
 141                 (*)
 142                         case $cf_add_cflags in
 143                         (-D*)
 144                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 145                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 146                                 ;;
 147                         esac
 148                         CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
 149                         ;;
 150                 esac
 151                 ;;
 152         (*)
 153                 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
 154                 ;;
 155         esac
 156         ;;
 157 (yes)
 158         CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
 159
 160         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 161
 162         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 163                 && test -z "${cf_tst_cflags}" \
 164                 && cf_fix_cppflags=no
 165         ;;
 166 esac
 167 done
 168
 169 if test -n "$cf_new_cflags" ; then
 170         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 171         CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
 172 fi
 173
 174 if test -n "$cf_new_cppflags" ; then
 175         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 176         CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
 177 fi
 178
 179 if test -n "$cf_new_extra_cppflags" ; then
 180         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 181         CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
 182 fi
 183
 184 AC_SUBST(EXTRA_CPPFLAGS)
 185
 186 ])dnl
 187 dnl ---------------------------------------------------------------------------
 188 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
 189 dnl -------------
 190 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 191 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 192 dnl but old versions (and some misinstalled ones) need that.  To make things
 193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 194 dnl the include-path).
 195 AC_DEFUN([CF_ADD_INCDIR],
 196 [
 197 if test -n "$1" ; then
 198   for cf_add_incdir in $1
 199   do
 200         while test $cf_add_incdir != /usr/include
 201         do
 202           if test -d $cf_add_incdir
 203           then
 204                 cf_have_incdir=no
 205                 if test -n "$CFLAGS$CPPFLAGS" ; then
 206                   # a loop is needed to ensure we can add subdirs of existing dirs
 207                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 208                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 209                           cf_have_incdir=yes; break
 210                         fi
 211                   done
 212                 fi
 213
 214                 if test "$cf_have_incdir" = no ; then
 215                   if test "$cf_add_incdir" = /usr/local/include ; then
 216                         if test "$GCC" = yes
 217                         then
 218                           cf_save_CPPFLAGS=$CPPFLAGS
 219                           CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
 220                           AC_TRY_COMPILE([#include <stdio.h>],
 221                                   [printf("Hello")],
 222                                   [],
 223                                   [cf_have_incdir=yes])
 224                           CPPFLAGS=$cf_save_CPPFLAGS
 225                         fi
 226                   fi
 227                 fi
 228
 229                 if test "$cf_have_incdir" = no ; then
 230                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 231                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 232
 233                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 234                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 235                   cf_add_incdir="$cf_top_incdir"
 236                 else
 237                   break
 238                 fi
 239           else
 240                 break
 241           fi
 242         done
 243   done
 244 fi
 245 ])dnl
 246 dnl ---------------------------------------------------------------------------
 247 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 248 dnl ----------
 249 dnl Add a library, used to enforce consistency.
 250 dnl
 251 dnl $1 = library to add, without the "-l"
 252 dnl $2 = variable to update (default $LIBS)
 253 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 254 dnl ---------------------------------------------------------------------------
 255 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 256 dnl -------------
 257 dnl     Adds to the library-path
 258 dnl
 259 dnl     Some machines have trouble with multiple -L options.
 260 dnl
 261 dnl $1 is the (list of) directory(s) to add
 262 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 263 dnl
 264 AC_DEFUN([CF_ADD_LIBDIR],
 265 [
 266 if test -n "$1" ; then
 267         for cf_add_libdir in $1
 268         do
 269                 if test $cf_add_libdir = /usr/lib ; then
 270                         :
 271                 elif test -d $cf_add_libdir
 272                 then
 273                         cf_have_libdir=no
 274                         if test -n "$LDFLAGS$LIBS" ; then
 275                                 # a loop is needed to ensure we can add subdirs of existing dirs
 276                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 277                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 278                                                 cf_have_libdir=yes; break
 279                                         fi
 280                                 done
 281                         fi
 282                         if test "$cf_have_libdir" = no ; then
 283                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 284                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 285                         fi
 286                 fi
 287         done
 288 fi
 289 ])dnl
 290 dnl ---------------------------------------------------------------------------
 291 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
 292 dnl -----------
 293 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 294 dnl prepended to an existing list, since their dependencies are assumed to
 295 dnl already exist in the list.
 296 dnl
 297 dnl $1 = libraries to add, with the "-l", etc.
 298 dnl $2 = variable to update (default $LIBS)
 299 AC_DEFUN([CF_ADD_LIBS],[
 300 cf_add_libs="$1"
 301 # Filter out duplicates - this happens with badly-designed ".pc" files...
 302 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 303 do
 304         for cf_add_2lib in $cf_add_libs
 305         do
 306                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 307                 then
 308                         cf_add_1lib=
 309                         break
 310                 fi
 311         done
 312         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 313 done
 314 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 315 ])dnl
 316 dnl ---------------------------------------------------------------------------
 317 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 318 dnl ------------------
 319 dnl Append to a search-list for a nonstandard header/lib-file
 320 dnl     $1 = the variable to return as result
 321 dnl     $2 = the package name
 322 dnl     $3 = the subdirectory, e.g., bin, include or lib
 323 dnl $4 = the directory under which we will test for subdirectories
 324 dnl $5 = a directory that we do not want $4 to match
 325 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 326 [
 327 test "x$4" != "x$5" && \
 328 test -d "$4" && \
 329 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 330         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 331         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 332         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 333         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 334         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 335         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 336 }
 337 ])dnl
 338 dnl ---------------------------------------------------------------------------
 339 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
 340 dnl --------------
 341 dnl use this macro for appending text without introducing an extra blank at
 342 dnl the beginning
 343 define([CF_APPEND_TEXT],
 344 [
 345         test -n "[$]$1" && $1="[$]$1 "
 346         $1="[$]{$1}$2"
 347 ])dnl
 348 dnl ---------------------------------------------------------------------------
 349 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 350 dnl --------------
 351 dnl Allow user to disable a normally-on option.
 352 AC_DEFUN([CF_ARG_DISABLE],
 353 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 354 dnl ---------------------------------------------------------------------------
 355 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 356 dnl -------------
 357 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 358 dnl values.
 359 dnl
 360 dnl Parameters:
 361 dnl $1 = option name
 362 dnl $2 = help-string
 363 dnl $3 = action to perform if option is not default
 364 dnl $4 = action if perform if option is default
 365 dnl $5 = default option value (either 'yes' or 'no')
 366 AC_DEFUN([CF_ARG_OPTION],
 367 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 368         if test "$enableval" != "$5" ; then
 369 ifelse([$3],,[    :]dnl
 370 ,[    $3]) ifelse([$4],,,[
 371         else
 372                 $4])
 373         fi],[enableval=$5 ifelse([$4],,,[
 374         $4
 375 ])dnl
 376 ])])dnl
 377 dnl ---------------------------------------------------------------------------
 378 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
 379 dnl -----------
 380 dnl Check for suitable "ar" (archiver) options for updating an archive.
 381 dnl
 382 dnl In particular, handle some obsolete cases where the "-" might be omitted,
 383 dnl as well as a workaround for breakage of make's archive rules by the GNU
 384 dnl binutils "ar" program.
 385 AC_DEFUN([CF_AR_FLAGS],[
 386 AC_REQUIRE([CF_PROG_AR])
 387
 388 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 389         cf_cv_ar_flags=unknown
 390         for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
 391         do
 392
 393                 # check if $ARFLAGS already contains this choice
 394                 if test "x$ARFLAGS" != "x" ; then
 395                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 396                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 397                                 cf_cv_ar_flags=
 398                                 break
 399                         fi
 400                 fi
 401
 402                 rm -f conftest.$ac_cv_objext
 403                 rm -f conftest.a
 404
 405                 cat >conftest.$ac_ext <<EOF
 406 #line __oline__ "configure"
 407 int     testdata[[3]] = { 123, 456, 789 };
 408 EOF
 409                 if AC_TRY_EVAL(ac_compile) ; then
 410                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 411                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 412                         if test -f conftest.a ; then
 413                                 cf_cv_ar_flags=$cf_ar_flags
 414                                 break
 415                         fi
 416                 else
 417                         CF_VERBOSE(cannot compile test-program)
 418                         break
 419                 fi
 420         done
 421         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 422 ])
 423
 424 if test -n "$ARFLAGS" ; then
 425         if test -n "$cf_cv_ar_flags" ; then
 426                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 427         fi
 428 else
 429         ARFLAGS=$cf_cv_ar_flags
 430 fi
 431
 432 AC_SUBST(ARFLAGS)
 433 ])
 434 dnl ---------------------------------------------------------------------------
 435 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
 436 dnl -----------
 437 dnl If we're cross-compiling, allow the user to override the tools and their
 438 dnl options.  The configure script is oriented toward identifying the host
 439 dnl compiler, etc., but we need a build compiler to generate parts of the
 440 dnl source.
 441 dnl
 442 dnl $1 = default for $CPPFLAGS
 443 dnl $2 = default for $LIBS
 444 AC_DEFUN([CF_BUILD_CC],[
 445 CF_ACVERSION_CHECK(2.52,,
 446         [AC_REQUIRE([CF_PROG_EXT])])
 447 if test "$cross_compiling" = yes ; then
 448
 449         # defaults that we might want to override
 450         : ${BUILD_CFLAGS:=''}
 451         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 452         : ${BUILD_LDFLAGS:=''}
 453         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 454         : ${BUILD_EXEEXT:='$x'}
 455         : ${BUILD_OBJEXT:='o'}
 456
 457         AC_ARG_WITH(build-cc,
 458                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 459                 [BUILD_CC="$withval"],
 460                 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
 461         AC_MSG_CHECKING(for native build C compiler)
 462         AC_MSG_RESULT($BUILD_CC)
 463
 464         AC_MSG_CHECKING(for native build C preprocessor)
 465         AC_ARG_WITH(build-cpp,
 466                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 467                 [BUILD_CPP="$withval"],
 468                 [BUILD_CPP='${BUILD_CC} -E'])
 469         AC_MSG_RESULT($BUILD_CPP)
 470
 471         AC_MSG_CHECKING(for native build C flags)
 472         AC_ARG_WITH(build-cflags,
 473                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 474                 [BUILD_CFLAGS="$withval"])
 475         AC_MSG_RESULT($BUILD_CFLAGS)
 476
 477         AC_MSG_CHECKING(for native build C preprocessor-flags)
 478         AC_ARG_WITH(build-cppflags,
 479                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 480                 [BUILD_CPPFLAGS="$withval"])
 481         AC_MSG_RESULT($BUILD_CPPFLAGS)
 482
 483         AC_MSG_CHECKING(for native build linker-flags)
 484         AC_ARG_WITH(build-ldflags,
 485                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 486                 [BUILD_LDFLAGS="$withval"])
 487         AC_MSG_RESULT($BUILD_LDFLAGS)
 488
 489         AC_MSG_CHECKING(for native build linker-libraries)
 490         AC_ARG_WITH(build-libs,
 491                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 492                 [BUILD_LIBS="$withval"])
 493         AC_MSG_RESULT($BUILD_LIBS)
 494
 495         # this assumes we're on Unix.
 496         BUILD_EXEEXT=
 497         BUILD_OBJEXT=o
 498
 499         : ${BUILD_CC:='${CC}'}
 500
 501         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 502                 AC_MSG_ERROR([Cross-build requires two compilers.
 503 Use --with-build-cc to specify the native compiler.])
 504         fi
 505
 506 else
 507         : ${BUILD_CC:='${CC}'}
 508         : ${BUILD_CPP:='${CPP}'}
 509         : ${BUILD_CFLAGS:='${CFLAGS}'}
 510         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 511         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 512         : ${BUILD_LIBS:='${LIBS}'}
 513         : ${BUILD_EXEEXT:='$x'}
 514         : ${BUILD_OBJEXT:='o'}
 515 fi
 516
 517 AC_SUBST(BUILD_CC)
 518 AC_SUBST(BUILD_CPP)
 519 AC_SUBST(BUILD_CFLAGS)
 520 AC_SUBST(BUILD_CPPFLAGS)
 521 AC_SUBST(BUILD_LDFLAGS)
 522 AC_SUBST(BUILD_LIBS)
 523 AC_SUBST(BUILD_EXEEXT)
 524 AC_SUBST(BUILD_OBJEXT)
 525 ])dnl
 526 dnl ---------------------------------------------------------------------------
 527 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
 528 dnl ---------------
 529 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 530 dnl into CC.  This will not help with broken scripts that wrap the compiler
 531 dnl with options, but eliminates a more common category of user confusion.
 532 dnl
 533 dnl In particular, it addresses the problem of being able to run the C
 534 dnl preprocessor in a consistent manner.
 535 dnl
 536 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
 537 dnl the nuisance of having inconsistent settings for compiler and preprocessor
 538 dnl outweighs that limitation.
 539 AC_DEFUN([CF_CC_ENV_FLAGS],
 540 [
 541 # This should have been defined by AC_PROG_CC
 542 : ${CC:=cc}
 543
 544 AC_MSG_CHECKING(\$CFLAGS variable)
 545 case "x$CFLAGS" in
 546 (*-[[IUD]]*)
 547         AC_MSG_RESULT(broken)
 548         AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
 549         cf_flags="$CFLAGS"
 550         CFLAGS=
 551         for cf_arg in $cf_flags
 552         do
 553                 CF_ADD_CFLAGS($cf_arg)
 554         done
 555         ;;
 556 (*)
 557         AC_MSG_RESULT(ok)
 558         ;;
 559 esac
 560
 561 AC_MSG_CHECKING(\$CC variable)
 562 case "$CC" in
 563 (*[[\ \ ]]-*)
 564         AC_MSG_RESULT(broken)
 565         AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
 566         # humor him...
 567         cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
 568         cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
 569         CC="$cf_prog"
 570         for cf_arg in $cf_flags
 571         do
 572                 case "x$cf_arg" in
 573                 (x-[[IUDfgOW]]*)
 574                         CF_ADD_CFLAGS($cf_arg)
 575                         ;;
 576                 (*)
 577                         CC="$CC $cf_arg"
 578                         ;;
 579                 esac
 580         done
 581         CF_VERBOSE(resulting CC: '$CC')
 582         CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
 583         CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
 584         ;;
 585 (*)
 586         AC_MSG_RESULT(ok)
 587         ;;
 588 esac
 589 ])dnl
 590 dnl ---------------------------------------------------------------------------
 591 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 592 dnl ---------------
 593 dnl Determine the default configuration into which we'll install ncurses.  This
 594 dnl can be overridden by the user's command-line options.  There's two items to
 595 dnl look for:
 596 dnl     1. the prefix (e.g., /usr)
 597 dnl     2. the header files (e.g., /usr/include/ncurses)
 598 dnl We'll look for a previous installation of ncurses and use the same defaults.
 599 dnl
 600 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 601 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 602 dnl programs from a vendor's.
 603 AC_DEFUN([CF_CFG_DEFAULTS],
 604 [
 605 AC_MSG_CHECKING(for prefix)
 606 if test "x$prefix" = "xNONE" ; then
 607         case "$cf_cv_system_name" in
 608                 # non-vendor systems don't have a conflict
 609         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 610                 prefix=/usr
 611                 ;;
 612         (*)     prefix=$ac_default_prefix
 613                 ;;
 614         esac
 615 fi
 616 AC_MSG_RESULT($prefix)
 617
 618 if test "x$prefix" = "xNONE" ; then
 619 AC_MSG_CHECKING(for default include-directory)
 620 test -n "$verbose" && echo 1>&AC_FD_MSG
 621 for cf_symbol in \
 622         $includedir \
 623         $includedir/ncurses \
 624         $prefix/include \
 625         $prefix/include/ncurses \
 626         /usr/local/include \
 627         /usr/local/include/ncurses \
 628         /usr/include \
 629         /usr/include/ncurses
 630 do
 631         cf_dir=`eval echo $cf_symbol`
 632         if test -f $cf_dir/curses.h ; then
 633         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 634                 includedir="$cf_symbol"
 635                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 636                 break
 637         fi
 638         fi
 639         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 640 done
 641 AC_MSG_RESULT($includedir)
 642 fi
 643 ])dnl
 644 dnl ---------------------------------------------------------------------------
 645 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 646 dnl --------------
 647 dnl Check if we're accidentally using a cache from a different machine.
 648 dnl Derive the system name, as a check for reusing the autoconf cache.
 649 dnl
 650 dnl If we've packaged config.guess and config.sub, run that (since it does a
 651 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 652 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 653 dnl which is useful in cross-compiles.
 654 dnl
 655 dnl Note: we would use $ac_config_sub, but that is one of the places where
 656 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 657 AC_DEFUN([CF_CHECK_CACHE],
 658 [
 659 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 660         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 661         system_name="$host_os"
 662 else
 663         system_name="`(uname -s -r) 2>/dev/null`"
 664         if test -z "$system_name" ; then
 665                 system_name="`(hostname) 2>/dev/null`"
 666         fi
 667 fi
 668 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 669 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 670
 671 test -z "$system_name" && system_name="$cf_cv_system_name"
 672 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 673
 674 if test ".$system_name" != ".$cf_cv_system_name" ; then
 675         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 676         AC_MSG_ERROR("Please remove config.cache and try again.")
 677 fi
 678 ])dnl
 679 dnl ---------------------------------------------------------------------------
 680 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 681 dnl -----------------
 682 dnl Check if the given compiler is really clang.  clang's C driver defines
 683 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 684 dnl not ignore some gcc options.
 685 dnl
 686 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 687 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 688 dnl the wrappers for gcc and g++ warnings.
 689 dnl
 690 dnl $1 = GCC (default) or GXX
 691 dnl $2 = CLANG_COMPILER (default)
 692 dnl $3 = CFLAGS (default) or CXXFLAGS
 693 AC_DEFUN([CF_CLANG_COMPILER],[
 694 ifelse([$2],,CLANG_COMPILER,[$2])=no
 695
 696 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 697         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 698         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 699         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 700         AC_TRY_COMPILE([],[
 701 #ifdef __clang__
 702 #else
 703 make an error
 704 #endif
 705 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 706 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 707 ],[])
 708         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 709         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 710 fi
 711 ])
 712 dnl ---------------------------------------------------------------------------
 713 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 714 dnl ----------------
 715 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 716 dnl variations of ncurses' installs.
 717 dnl
 718 dnl $1 = ncurses when looking for ncurses, or is empty
 719 AC_DEFUN([CF_CURSES_HEADER],[
 720 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 721 cf_cv_ncurses_header=none
 722 for cf_header in \
 723         ncurses.h ifelse($1,,,[$1/ncurses.h]) \
 724         curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 725 do
 726 AC_TRY_COMPILE([#include <${cf_header}>],
 727         [initscr(); tgoto("?", 0,0)],
 728         [cf_cv_ncurses_header=$cf_header; break],[])
 729 done
 730 ])
 731
 732 if test "$cf_cv_ncurses_header" = none ; then
 733         AC_MSG_ERROR(No curses header-files found)
 734 fi
 735
 736 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 737 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 738 ])dnl
 739 dnl ---------------------------------------------------------------------------
 740 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
 741 dnl ----------
 742 dnl "dirname" is not portable, so we fake it with a shell script.
 743 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 744 dnl ---------------------------------------------------------------------------
 745 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 746 dnl ---------------
 747 dnl You can always use "make -n" to see the actual options, but it's hard to
 748 dnl pick out/analyze warning messages when the compile-line is long.
 749 dnl
 750 dnl Sets:
 751 dnl     ECHO_LT - symbol to control if libtool is verbose
 752 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 753 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 754 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 755 dnl     ECHO_CC - symbol to put before any "cc" line
 756 dnl
 757 AC_DEFUN([CF_DISABLE_ECHO],[
 758 AC_MSG_CHECKING(if you want to see long compiling messages)
 759 CF_ARG_DISABLE(echo,
 760         [  --disable-echo          do not display "compiling" commands],
 761         [
 762         ECHO_LT='--silent'
 763         ECHO_LD='@echo linking [$]@;'
 764         RULE_CC='@echo compiling [$]<'
 765         SHOW_CC='@echo compiling [$]@'
 766         ECHO_CC='@'
 767 ],[
 768         ECHO_LT=''
 769         ECHO_LD=''
 770         RULE_CC=''
 771         SHOW_CC=''
 772         ECHO_CC=''
 773 ])
 774 AC_MSG_RESULT($enableval)
 775 AC_SUBST(ECHO_LT)
 776 AC_SUBST(ECHO_LD)
 777 AC_SUBST(RULE_CC)
 778 AC_SUBST(SHOW_CC)
 779 AC_SUBST(ECHO_CC)
 780 ])dnl
 781 dnl ---------------------------------------------------------------------------
 782 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
 783 dnl ------------------------
 784 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
 785 AC_MSG_CHECKING(if we want to use GNAT projects)
 786 CF_ARG_DISABLE(gnat-projects,
 787         [  --disable-gnat-projects test: disable GNAT projects even if usable],
 788         [enable_gnat_projects=no],
 789         [enable_gnat_projects=yes])
 790 AC_MSG_RESULT($enable_gnat_projects)
 791 ])dnl
 792 dnl ---------------------------------------------------------------------------
 793 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 794 dnl ---------------
 795 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 796 dnl prefer a standard location, and use -L options only if we do not find the
 797 dnl library in the standard library location(s).
 798 dnl     $1 = library name
 799 dnl     $2 = library class, usually the same as library name
 800 dnl     $3 = includes
 801 dnl     $4 = code fragment to compile/link
 802 dnl     $5 = corresponding function-name
 803 dnl     $6 = flag, nonnull if failure should not cause an error-exit
 804 dnl
 805 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 806 dnl to use a -L option.
 807 AC_DEFUN([CF_FIND_LIBRARY],
 808 [
 809         eval 'cf_cv_have_lib_'$1'=no'
 810         cf_libdir=""
 811         AC_CHECK_FUNC($5,
 812                 eval 'cf_cv_have_lib_'$1'=yes',[
 813                 cf_save_LIBS="$LIBS"
 814                 AC_MSG_CHECKING(for $5 in -l$1)
 815                 LIBS="-l$1 $LIBS"
 816                 AC_TRY_LINK([$3],[$4],
 817                         [AC_MSG_RESULT(yes)
 818                          eval 'cf_cv_have_lib_'$1'=yes'
 819                         ],
 820                         [AC_MSG_RESULT(no)
 821                         CF_LIBRARY_PATH(cf_search,$2)
 822                         for cf_libdir in $cf_search
 823                         do
 824                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
 825                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 826                                 AC_TRY_LINK([$3],[$4],
 827                                         [AC_MSG_RESULT(yes)
 828                                          eval 'cf_cv_have_lib_'$1'=yes'
 829                                          break],
 830                                         [AC_MSG_RESULT(no)
 831                                          LIBS="$cf_save_LIBS"])
 832                         done
 833                         ])
 834                 ])
 835 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 836 ifelse($6,,[
 837 if test $cf_found_library = no ; then
 838         AC_MSG_ERROR(Cannot link $1 library)
 839 fi
 840 ])
 841 ])dnl
 842 dnl ---------------------------------------------------------------------------
 843 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
 844 dnl ---------------
 845 dnl Find a library (specifically the linkage used in the code fragment),
 846 dnl searching for it if it is not already in the library path.
 847 dnl See also CF_ADD_SEARCHPATH.
 848 dnl
 849 dnl Parameters (4-on are optional):
 850 dnl     $1 = headers for library entrypoint
 851 dnl     $2 = code fragment for library entrypoint
 852 dnl     $3 = the library name without the "-l" option or ".so" suffix.
 853 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
 854 dnl     $5 = action to perform if not successful
 855 dnl     $6 = module name, if not the same as the library name
 856 dnl     $7 = extra libraries
 857 dnl
 858 dnl Sets these variables:
 859 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
 860 dnl     $cf_cv_header_path_$3 - include-directory if needed
 861 dnl     $cf_cv_library_path_$3 - library-directory if needed
 862 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
 863 AC_DEFUN([CF_FIND_LINKAGE],[
 864
 865 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 866 # will be set on completion of the AC_TRY_LINK below.
 867 cf_cv_header_path_$3=
 868 cf_cv_library_path_$3=
 869
 870 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 871
 872 cf_save_LIBS="$LIBS"
 873
 874 AC_TRY_LINK([$1],[$2],[
 875         cf_cv_find_linkage_$3=yes
 876         cf_cv_header_path_$3=/usr/include
 877         cf_cv_library_path_$3=/usr/lib
 878 ],[
 879
 880 LIBS="-l$3 $7 $cf_save_LIBS"
 881
 882 AC_TRY_LINK([$1],[$2],[
 883         cf_cv_find_linkage_$3=yes
 884         cf_cv_header_path_$3=/usr/include
 885         cf_cv_library_path_$3=/usr/lib
 886         cf_cv_library_file_$3="-l$3"
 887 ],[
 888         cf_cv_find_linkage_$3=no
 889         LIBS="$cf_save_LIBS"
 890
 891         CF_VERBOSE(find linkage for $3 library)
 892         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
 893
 894         cf_save_CPPFLAGS="$CPPFLAGS"
 895         cf_test_CPPFLAGS="$CPPFLAGS"
 896
 897         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 898         for cf_cv_header_path_$3 in $cf_search
 899         do
 900                 if test -d $cf_cv_header_path_$3 ; then
 901                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
 902                         CPPFLAGS="$cf_save_CPPFLAGS"
 903                         CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
 904                         AC_TRY_COMPILE([$1],[$2],[
 905                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
 906                                 cf_cv_find_linkage_$3=maybe
 907                                 cf_test_CPPFLAGS="$CPPFLAGS"
 908                                 break],[
 909                                 CPPFLAGS="$cf_save_CPPFLAGS"
 910                                 ])
 911                 fi
 912         done
 913
 914         if test "$cf_cv_find_linkage_$3" = maybe ; then
 915
 916                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
 917
 918                 cf_save_LIBS="$LIBS"
 919                 cf_save_LDFLAGS="$LDFLAGS"
 920
 921                 ifelse([$6],,,[
 922                 CPPFLAGS="$cf_test_CPPFLAGS"
 923                 LIBS="-l$3 $7 $cf_save_LIBS"
 924                 AC_TRY_LINK([$1],[$2],[
 925                         CF_VERBOSE(... found $3 library in system)
 926                         cf_cv_find_linkage_$3=yes])
 927                         CPPFLAGS="$cf_save_CPPFLAGS"
 928                         LIBS="$cf_save_LIBS"
 929                         ])
 930
 931                 if test "$cf_cv_find_linkage_$3" != yes ; then
 932                         CF_LIBRARY_PATH(cf_search,$3)
 933                         for cf_cv_library_path_$3 in $cf_search
 934                         do
 935                                 if test -d $cf_cv_library_path_$3 ; then
 936                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
 937                                         CPPFLAGS="$cf_test_CPPFLAGS"
 938                                         LIBS="-l$3 $7 $cf_save_LIBS"
 939                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
 940                                         AC_TRY_LINK([$1],[$2],[
 941                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
 942                                         cf_cv_find_linkage_$3=yes
 943                                         cf_cv_library_file_$3="-l$3"
 944                                         break],[
 945                                         CPPFLAGS="$cf_save_CPPFLAGS"
 946                                         LIBS="$cf_save_LIBS"
 947                                         LDFLAGS="$cf_save_LDFLAGS"
 948                                         ])
 949                                 fi
 950                         done
 951                         CPPFLAGS="$cf_save_CPPFLAGS"
 952                         LDFLAGS="$cf_save_LDFLAGS"
 953                 fi
 954
 955         else
 956                 cf_cv_find_linkage_$3=no
 957         fi
 958         ],$7)
 959 ])
 960
 961 LIBS="$cf_save_LIBS"
 962
 963 if test "$cf_cv_find_linkage_$3" = yes ; then
 964 ifelse([$4],,[
 965         CF_ADD_INCDIR($cf_cv_header_path_$3)
 966         CF_ADD_LIBDIR($cf_cv_library_path_$3)
 967         CF_ADD_LIB($3)
 968 ],[$4])
 969 else
 970 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 971 fi
 972 ])dnl
 973 dnl ---------------------------------------------------------------------------
 974 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
 975 dnl -----------------
 976 dnl make ADAFLAGS consistent with CFLAGS
 977 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
 978         AC_MSG_CHECKING(optimization options for ADAFLAGS)
 979         case "$CFLAGS" in
 980         (*-g*)
 981                 CF_ADD_ADAFLAGS(-g)
 982                 ;;
 983         esac
 984         case "$CFLAGS" in
 985         (*-O*)
 986                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
 987                 CF_ADD_ADAFLAGS($cf_O_flag)
 988                 ;;
 989         esac
 990         AC_MSG_RESULT($ADAFLAGS)
 991 ])dnl
 992 dnl ---------------------------------------------------------------------------
 993 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
 994 dnl -----------------
 995 dnl Test for availability of useful gcc __attribute__ directives to quiet
 996 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 997 dnl to documentation, unrecognized directives cause older compilers to barf.
 998 AC_DEFUN([CF_GCC_ATTRIBUTES],
 999 [
1000 if test "$GCC" = yes
1001 then
1002 cat > conftest.i <<EOF
1003 #ifndef GCC_PRINTF
1004 #define GCC_PRINTF 0
1005 #endif
1006 #ifndef GCC_SCANF
1007 #define GCC_SCANF 0
1008 #endif
1009 #ifndef GCC_NORETURN
1010 #define GCC_NORETURN /* nothing */
1011 #endif
1012 #ifndef GCC_UNUSED
1013 #define GCC_UNUSED /* nothing */
1014 #endif
1015 EOF
1016 if test "$GCC" = yes
1017 then
1018         AC_CHECKING([for $CC __attribute__ directives])
1019 cat > conftest.$ac_ext <<EOF
1020 #line __oline__ "${as_me:-configure}"
1021 #include "confdefs.h"
1022 #include "conftest.h"
1023 #include "conftest.i"
1024 #if     GCC_PRINTF
1025 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1026 #else
1027 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1028 #endif
1029 #if     GCC_SCANF
1030 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1031 #else
1032 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1033 #endif
1034 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1035 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1036 extern void foo(void) GCC_NORETURN;
1037 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1038 EOF
1039         cf_printf_attribute=no
1040         cf_scanf_attribute=no
1041         for cf_attribute in scanf printf unused noreturn
1042         do
1043                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1044                 cf_directive="__attribute__(($cf_attribute))"
1045                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1046
1047                 case $cf_attribute in
1048                 (printf)
1049                         cf_printf_attribute=yes
1050                         cat >conftest.h <<EOF
1051 #define GCC_$cf_ATTRIBUTE 1
1052 EOF
1053                         ;;
1054                 (scanf)
1055                         cf_scanf_attribute=yes
1056                         cat >conftest.h <<EOF
1057 #define GCC_$cf_ATTRIBUTE 1
1058 EOF
1059                         ;;
1060                 (*)
1061                         cat >conftest.h <<EOF
1062 #define GCC_$cf_ATTRIBUTE $cf_directive
1063 EOF
1064                         ;;
1065                 esac
1066
1067                 if AC_TRY_EVAL(ac_compile); then
1068                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1069                         cat conftest.h >>confdefs.h
1070                         case $cf_attribute in
1071                         (noreturn)
1072                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1073                                 ;;
1074                         (printf)
1075                                 cf_value='/* nothing */'
1076                                 if test "$cf_printf_attribute" != no ; then
1077                                         cf_value='__attribute__((format(printf,fmt,var)))'
1078                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1079                                 fi
1080                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1081                                 ;;
1082                         (scanf)
1083                                 cf_value='/* nothing */'
1084                                 if test "$cf_scanf_attribute" != no ; then
1085                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1086                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1087                                 fi
1088                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1089                                 ;;
1090                         (unused)
1091                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1092                                 ;;
1093                         esac
1094                 fi
1095         done
1096 else
1097         fgrep define conftest.i >>confdefs.h
1098 fi
1099 rm -rf conftest*
1100 fi
1101 ])dnl
1102 dnl ---------------------------------------------------------------------------
1103 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1104 dnl --------------
1105 dnl Find version of gcc
1106 AC_DEFUN([CF_GCC_VERSION],[
1107 AC_REQUIRE([AC_PROG_CC])
1108 GCC_VERSION=none
1109 if test "$GCC" = yes ; then
1110         AC_MSG_CHECKING(version of $CC)
1111         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1112         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1113         AC_MSG_RESULT($GCC_VERSION)
1114 fi
1115 ])dnl
1116 dnl ---------------------------------------------------------------------------
1117 dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
1118 dnl ---------------
1119 dnl Check if the compiler supports useful warning options.  There's a few that
1120 dnl we don't use, simply because they're too noisy:
1121 dnl
1122 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1123 dnl     -Wredundant-decls (system headers make this too noisy)
1124 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1125 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1126 dnl             is enabled for ncurses using "--enable-const".
1127 dnl     -pedantic
1128 dnl
1129 dnl Parameter:
1130 dnl     $1 is an optional list of gcc warning flags that a particular
1131 dnl             application might want to use, e.g., "no-unused" for
1132 dnl             -Wno-unused
1133 dnl Special:
1134 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1135 dnl
1136 AC_DEFUN([CF_GCC_WARNINGS],
1137 [
1138 AC_REQUIRE([CF_GCC_VERSION])
1139 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1140 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1141
1142 cat > conftest.$ac_ext <<EOF
1143 #line __oline__ "${as_me:-configure}"
1144 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1145 EOF
1146
1147 if test "$INTEL_COMPILER" = yes
1148 then
1149 # The "-wdXXX" options suppress warnings:
1150 # remark #1419: external declaration in primary source file
1151 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1152 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1153 # remark #193: zero used for undefined preprocessing identifier
1154 # remark #593: variable "curs_sb_left_arrow" was set but never used
1155 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1156 # remark #869: parameter "tw" was never referenced
1157 # remark #981: operands are evaluated in unspecified order
1158 # warning #279: controlling expression is constant
1159
1160         AC_CHECKING([for $CC warning options])
1161         cf_save_CFLAGS="$CFLAGS"
1162         EXTRA_CFLAGS="-Wall"
1163         for cf_opt in \
1164                 wd1419 \
1165                 wd1683 \
1166                 wd1684 \
1167                 wd193 \
1168                 wd593 \
1169                 wd279 \
1170                 wd810 \
1171                 wd869 \
1172                 wd981
1173         do
1174                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1175                 if AC_TRY_EVAL(ac_compile); then
1176                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1177                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1178                 fi
1179         done
1180         CFLAGS="$cf_save_CFLAGS"
1181
1182 elif test "$GCC" = yes
1183 then
1184         AC_CHECKING([for $CC warning options])
1185         cf_save_CFLAGS="$CFLAGS"
1186         EXTRA_CFLAGS=
1187         cf_warn_CONST=""
1188         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1189         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1190         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1191         for cf_opt in W Wall \
1192                 Wbad-function-cast \
1193                 Wcast-align \
1194                 Wcast-qual \
1195                 Wdeclaration-after-statement \
1196                 Wextra \
1197                 Winline \
1198                 Wmissing-declarations \
1199                 Wmissing-prototypes \
1200                 Wnested-externs \
1201                 Wpointer-arith \
1202                 Wshadow \
1203                 Wstrict-prototypes \
1204                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1205         do
1206                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1207                 if AC_TRY_EVAL(ac_compile); then
1208                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1209                         case $cf_opt in
1210                         (Wcast-qual)
1211                                 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1212                                 ;;
1213                         (Winline)
1214                                 case $GCC_VERSION in
1215                                 ([[34]].*)
1216                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1217                                         continue;;
1218                                 esac
1219                                 ;;
1220                         (Wpointer-arith)
1221                                 case $GCC_VERSION in
1222                                 ([[12]].*)
1223                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1224                                         continue;;
1225                                 esac
1226                                 ;;
1227                         esac
1228                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1229                 fi
1230         done
1231         CFLAGS="$cf_save_CFLAGS"
1232 fi
1233 rm -rf conftest*
1234
1235 AC_SUBST(EXTRA_CFLAGS)
1236 ])dnl
1237 dnl ---------------------------------------------------------------------------
1238 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1239 dnl -----------------
1240 AC_DEFUN([CF_GNATPREP_OPT_T],[
1241 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1242 cf_cv_gnatprep_opt_t=no
1243 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1244 ])
1245 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1246 AC_SUBST(GNATPREP_OPTS)
1247 ])dnl
1248 dnl ---------------------------------------------------------------------------
1249 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1250 dnl ----------------
1251 AC_DEFUN([CF_GNAT_GENERICS],
1252 [
1253 AC_REQUIRE([CF_GNAT_VERSION])
1254
1255 AC_MSG_CHECKING(if GNAT supports generics)
1256 case $cf_gnat_version in
1257 (3.[[1-9]]*|[[4-9]].*)
1258         cf_gnat_generics=yes
1259         ;;
1260 (*)
1261         cf_gnat_generics=no
1262         ;;
1263 esac
1264 AC_MSG_RESULT($cf_gnat_generics)
1265
1266 if test "$cf_gnat_generics" = yes
1267 then
1268         cf_compile_generics=generics
1269         cf_generic_objects="\${GENOBJS}"
1270 else
1271         cf_compile_generics=
1272         cf_generic_objects=
1273 fi
1274
1275 AC_SUBST(cf_compile_generics)
1276 AC_SUBST(cf_generic_objects)
1277 ])dnl
1278 dnl ---------------------------------------------------------------------------
1279 dnl CF_GNAT_PROJECTS version: 9 updated: 2018/01/14 15:46:09
1280 dnl ----------------
1281 dnl GNAT projects are configured with ".gpr" project files.
1282 dnl GNAT libraries are a further development, using the project feature.
1283 AC_DEFUN([CF_GNAT_PROJECTS],
1284 [
1285 AC_REQUIRE([CF_GNAT_VERSION])
1286 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1287
1288 cf_gnat_libraries=no
1289 cf_gnat_projects=no
1290
1291 if test "$enable_gnat_projects" != no ; then
1292 AC_MSG_CHECKING(if GNAT supports project files)
1293 case $cf_gnat_version in
1294 (3.[[0-9]]*)
1295         ;;
1296 (*)
1297         case $cf_cv_system_name in
1298         (cygwin*|msys*)
1299                 ;;
1300         (*)
1301                 rm -rf conftest* *~conftest*
1302                 if mkdir conftest.src conftest.bin conftest.lib
1303                 then
1304                         cd conftest.src
1305                         rm -rf conftest* *~conftest*
1306                         cat >>library.gpr <<CF_EOF
1307 project Library is
1308   Kind := External ("LIB_KIND");
1309   for Library_Name use "ConfTest";
1310   for Object_Dir use ".";
1311   for Library_ALI_Dir use External("LIBRARY_DIR");
1312   for Library_Version use External ("SONAME");
1313   for Library_Kind use Kind;
1314   for Library_Dir use External("BUILD_DIR");
1315   Source_Dir := External ("SOURCE_DIR");
1316   for Source_Dirs use (Source_Dir);
1317 end Library;
1318 CF_EOF
1319                         cat >>confpackage.ads <<CF_EOF
1320 package ConfPackage is
1321    procedure conftest;
1322 end ConfPackage;
1323 CF_EOF
1324                         cat >>confpackage.adb <<CF_EOF
1325 with Text_IO;
1326 package body ConfPackage is
1327    procedure conftest is
1328    begin
1329       Text_IO.Put ("Hello World");
1330       Text_IO.New_Line;
1331    end conftest;
1332 end ConfPackage;
1333 CF_EOF
1334                         if ( $cf_ada_make $ADAFLAGS \
1335                                         -Plibrary.gpr \
1336                                         -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1337                                         -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1338                                         -XSOURCE_DIR=`pwd` \
1339                                         -XSONAME=libConfTest.so.1 \
1340                                         -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1341                                 cf_gnat_projects=yes
1342                         fi
1343                         cd ..
1344                 fi
1345                 if test -f conftest.lib/confpackage.ali
1346                 then
1347                         cf_gnat_libraries=yes
1348                 fi
1349                 rm -rf conftest* *~conftest*
1350                 ;;
1351         esac
1352         ;;
1353 esac
1354 AC_MSG_RESULT($cf_gnat_projects)
1355 fi # enable_gnat_projects
1356
1357 if test $cf_gnat_projects = yes
1358 then
1359         AC_MSG_CHECKING(if GNAT supports libraries)
1360         AC_MSG_RESULT($cf_gnat_libraries)
1361 fi
1362
1363 if test "$cf_gnat_projects" = yes
1364 then
1365         USE_OLD_MAKERULES="#"
1366         USE_GNAT_PROJECTS=""
1367 else
1368         USE_OLD_MAKERULES=""
1369         USE_GNAT_PROJECTS="#"
1370 fi
1371
1372 if test "$cf_gnat_libraries" = yes
1373 then
1374         USE_GNAT_LIBRARIES=""
1375 else
1376         USE_GNAT_LIBRARIES="#"
1377 fi
1378
1379 AC_SUBST(USE_OLD_MAKERULES)
1380 AC_SUBST(USE_GNAT_PROJECTS)
1381 AC_SUBST(USE_GNAT_LIBRARIES)
1382 ])dnl
1383 dnl ---------------------------------------------------------------------------
1384 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1385 dnl --------------
1386 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1387 dnl is noted that gnat may compile a tasking unit even for configurations which
1388 dnl fail at runtime.
1389 AC_DEFUN([CF_GNAT_SIGINT],[
1390 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1391 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1392
1393 package ConfTest is
1394
1395    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1396    pragma Unreserve_All_Interrupts;
1397    pragma Warnings (On);
1398
1399    protected Process is
1400       procedure Stop;
1401       function Continue return Boolean;
1402       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1403    private
1404       Done : Boolean := False;
1405    end Process;
1406
1407 end ConfTest;],
1408 [package body ConfTest is
1409    protected body Process is
1410       procedure Stop is
1411       begin
1412          Done := True;
1413       end Stop;
1414       function Continue return Boolean is
1415       begin
1416          return not Done;
1417       end Continue;
1418    end Process;
1419 end ConfTest;],
1420         [cf_cv_gnat_sigint=yes],
1421         [cf_cv_gnat_sigint=no])])
1422
1423 if test $cf_cv_gnat_sigint = yes ; then
1424         USE_GNAT_SIGINT=""
1425 else
1426         USE_GNAT_SIGINT="#"
1427 fi
1428 AC_SUBST(USE_GNAT_SIGINT)
1429 ])dnl
1430 dnl ---------------------------------------------------------------------------
1431 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1432 dnl ----------------
1433 dnl Verify that a test program compiles/links with GNAT.
1434 dnl $cf_ada_make is set to the program that compiles/links
1435 dnl $ADAFLAGS may be set to the GNAT flags.
1436 dnl
1437 dnl $1 is the text of the spec
1438 dnl $2 is the text of the body
1439 dnl $3 is the shell command to execute if successful
1440 dnl $4 is the shell command to execute if not successful
1441 AC_DEFUN([CF_GNAT_TRY_LINK],
1442 [
1443 rm -rf conftest* *~conftest*
1444 cat >>conftest.ads <<CF_EOF
1445 $1
1446 CF_EOF
1447 cat >>conftest.adb <<CF_EOF
1448 $2
1449 CF_EOF
1450 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1451 ifelse($3,,      :,[      $3])
1452 ifelse($4,,,[else
1453    $4])
1454 fi
1455 rm -rf conftest* *~conftest*
1456 ])dnl
1457 dnl ---------------------------------------------------------------------------
1458 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1459 dnl ---------------
1460 dnl Verify that a test program compiles and runs with GNAT
1461 dnl $cf_ada_make is set to the program that compiles/links
1462 dnl $ADAFLAGS may be set to the GNAT flags.
1463 dnl
1464 dnl $1 is the text of the spec
1465 dnl $2 is the text of the body
1466 dnl $3 is the shell command to execute if successful
1467 dnl $4 is the shell command to execute if not successful
1468 AC_DEFUN([CF_GNAT_TRY_RUN],
1469 [
1470 rm -rf conftest* *~conftest*
1471 cat >>conftest.ads <<CF_EOF
1472 $1
1473 CF_EOF
1474 cat >>conftest.adb <<CF_EOF
1475 $2
1476 CF_EOF
1477 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1478    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1479 ifelse($3,,      :,[      $3])
1480 ifelse($4,,,[   else
1481       $4])
1482    fi
1483 ifelse($4,,,[else
1484    $4])
1485 fi
1486 rm -rf conftest* *~conftest*
1487 ])dnl
1488 dnl ---------------------------------------------------------------------------
1489 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1490 dnl ---------------
1491 dnl Verify version of GNAT.
1492 AC_DEFUN([CF_GNAT_VERSION],
1493 [
1494 AC_MSG_CHECKING(for gnat version)
1495 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1496         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1497         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1498 AC_MSG_RESULT($cf_gnat_version)
1499
1500 case $cf_gnat_version in
1501 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1502         cf_cv_prog_gnat_correct=yes
1503         ;;
1504 (*)
1505         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1506         cf_cv_prog_gnat_correct=no
1507         ;;
1508 esac
1509 ])
1510 dnl ---------------------------------------------------------------------------
1511 dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
1512 dnl -------------
1513 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1514 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1515 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1516 dnl since it is interwoven with GNU extensions.
1517 dnl
1518 dnl Well, yes we could work around it...
1519 dnl
1520 dnl Parameters:
1521 dnl     $1 is the nominal value for _XOPEN_SOURCE
1522 AC_DEFUN([CF_GNU_SOURCE],
1523 [
1524 cf_gnu_xopen_source=ifelse($1,,500,$1)
1525
1526 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1527 AC_TRY_COMPILE([#include <sys/types.h>],[
1528         #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1529                 return 0;
1530         #else
1531         #       error not GNU C library
1532         #endif],
1533         [cf_cv_gnu_library=yes],
1534         [cf_cv_gnu_library=no])
1535 ])
1536
1537 if test x$cf_cv_gnu_library = xyes; then
1538
1539         # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1540         # was changed to help a little...
1541         AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1542                 cf_save="$CPPFLAGS"
1543                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1544                 AC_TRY_COMPILE([#include <sys/types.h>],[
1545                         #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1546                                 return 0;
1547                         #else
1548                         #       error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1549                         #endif],
1550                         [cf_cv_gnu_library_219=yes],
1551                         [cf_cv_gnu_library_219=no])
1552                 CPPFLAGS="$cf_save"
1553         ])
1554
1555         if test "x$cf_cv_gnu_library_219" = xyes; then
1556                 cf_save="$CPPFLAGS"
1557                 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1558                         CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1559                         AC_TRY_COMPILE([
1560                                 #include <limits.h>
1561                                 #include <sys/types.h>
1562                                 ],[
1563                                 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1564                                         return 0;
1565                                 #else
1566                                 #       error GNU C library is too old
1567                                 #endif],
1568                                 [cf_cv_gnu_dftsrc_219=yes],
1569                                 [cf_cv_gnu_dftsrc_219=no])
1570                         ])
1571                 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1572         else
1573                 cf_cv_gnu_dftsrc_219=maybe
1574         fi
1575
1576         if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1577
1578                 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1579                 AC_TRY_COMPILE([#include <sys/types.h>],[
1580                         #ifndef _XOPEN_SOURCE
1581                         #error  expected _XOPEN_SOURCE to be defined
1582                         #endif],
1583                         [cf_cv_gnu_source=no],
1584                         [cf_save="$CPPFLAGS"
1585                          CF_ADD_CFLAGS(-D_GNU_SOURCE)
1586                          AC_TRY_COMPILE([#include <sys/types.h>],[
1587                                 #ifdef _XOPEN_SOURCE
1588                                 #error  expected _XOPEN_SOURCE to be undefined
1589                                 #endif],
1590                                 [cf_cv_gnu_source=no],
1591                                 [cf_cv_gnu_source=yes])
1592                         CPPFLAGS="$cf_save"
1593                         ])
1594                 ])
1595
1596                 if test "$cf_cv_gnu_source" = yes
1597                 then
1598                 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1599                         CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1600                         AC_TRY_COMPILE([#include <sys/types.h>],[
1601                                 #ifdef _DEFAULT_SOURCE
1602                                 #error  expected _DEFAULT_SOURCE to be undefined
1603                                 #endif],
1604                                 [cf_cv_default_source=no],
1605                                 [cf_cv_default_source=yes])
1606                         ])
1607                         if test "$cf_cv_default_source" = yes
1608                         then
1609                                 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1610                         fi
1611                 fi
1612         fi
1613
1614 fi
1615 ])dnl
1616 dnl ---------------------------------------------------------------------------
1617 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1618 dnl --------------
1619 dnl Construct a search-list of directories for a nonstandard header-file
1620 dnl
1621 dnl Parameters
1622 dnl     $1 = the variable to return as result
1623 dnl     $2 = the package name
1624 AC_DEFUN([CF_HEADER_PATH],
1625 [
1626 $1=
1627
1628 # collect the current set of include-directories from compiler flags
1629 cf_header_path_list=""
1630 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1631         for cf_header_path in $CPPFLAGS $CFLAGS
1632         do
1633                 case $cf_header_path in
1634                 (-I*)
1635                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1636                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1637                         cf_header_path_list="$cf_header_path_list [$]$1"
1638                         ;;
1639                 esac
1640         done
1641 fi
1642
1643 # add the variations for the package we are looking for
1644 CF_SUBDIR_PATH($1,$2,include)
1645
1646 test "$includedir" != NONE && \
1647 test "$includedir" != "/usr/include" && \
1648 test -d "$includedir" && {
1649         test -d $includedir &&    $1="[$]$1 $includedir"
1650         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1651 }
1652
1653 test "$oldincludedir" != NONE && \
1654 test "$oldincludedir" != "/usr/include" && \
1655 test -d "$oldincludedir" && {
1656         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1657         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1658 }
1659
1660 $1="[$]$1 $cf_header_path_list"
1661 ])dnl
1662 dnl ---------------------------------------------------------------------------
1663 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1664 dnl ---------------
1665 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1666 AC_DEFUN([CF_HELP_MESSAGE],
1667 [AC_DIVERT_HELP([$1])dnl
1668 ])dnl
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1671 dnl ---------------
1672 dnl Construct the list of include-options according to whether we're building
1673 dnl in the source directory or using '--srcdir=DIR' option.
1674 AC_DEFUN([CF_INCLUDE_DIRS],
1675 [
1676 if test "$srcdir" != "."; then
1677         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1678 fi
1679 CPPFLAGS="-I../include $CPPFLAGS"
1680 if test "$srcdir" != "."; then
1681         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1682 fi
1683 CPPFLAGS="-I. $CPPFLAGS"
1684 AC_SUBST(CPPFLAGS)
1685 ])dnl
1686 dnl ---------------------------------------------------------------------------
1687 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1688 dnl ---------------
1689 dnl prompt for/fill-in useful install-program options
1690 AC_DEFUN([CF_INSTALL_OPTS],
1691 [
1692 CF_INSTALL_OPT_S
1693 CF_INSTALL_OPT_P
1694 CF_INSTALL_OPT_O
1695 ])dnl
1696 dnl ---------------------------------------------------------------------------
1697 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1698 dnl ----------------
1699 dnl Almost all "install" programs default to the current user's ownership.
1700 dnl Almost - MINIX is an exception.
1701 AC_DEFUN([CF_INSTALL_OPT_O],
1702 [
1703 AC_MSG_CHECKING(if install needs to be told about ownership)
1704 case `$ac_config_guess` in
1705 (*minix)
1706         with_install_o=yes
1707         ;;
1708 (*)
1709         with_install_o=no
1710         ;;
1711 esac
1712
1713 AC_MSG_RESULT($with_install_o)
1714 if test "x$with_install_o" = xyes
1715 then
1716         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'`
1717 else
1718         INSTALL_OPT_O=
1719 fi
1720
1721 AC_SUBST(INSTALL_OPT_O)
1722 ])dnl
1723 dnl ---------------------------------------------------------------------------
1724 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1725 dnl ----------------
1726 dnl Some install-programs accept a "-p" option to preserve file modification
1727 dnl timestamps.  That can be useful as an install option, as well as a way to
1728 dnl avoid the need for ranlib after copying a static archive.
1729 AC_DEFUN([CF_INSTALL_OPT_P],
1730 [
1731 : ${INSTALL:=install}
1732 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1733         rm -rf conftest*
1734         date >conftest.in
1735         mkdir conftest.out
1736         sleep 3
1737         if $INSTALL -p conftest.in conftest.out 2>/dev/null
1738         then
1739                 if test -f conftest.out/conftest.in
1740                 then
1741                         test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1742                         test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1743                         if test -s conftest.err
1744                         then
1745                                 cf_cv_install_p=no
1746                         else
1747                                 cf_cv_install_p=yes
1748                         fi
1749                 else
1750                         cf_cv_install_p=no
1751                 fi
1752         else
1753                 cf_cv_install_p=no
1754         fi
1755         rm -rf conftest*
1756 ])
1757 ])dnl
1758 dnl ---------------------------------------------------------------------------
1759 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
1760 dnl ----------------
1761 dnl By default, we should strip executables which are installed, but leave the
1762 dnl ability to suppress that for unit-testing.
1763 AC_DEFUN([CF_INSTALL_OPT_S],
1764 [
1765 AC_MSG_CHECKING(if you want to install stripped executables)
1766 CF_ARG_DISABLE(stripping,
1767         [  --disable-stripping     do not strip (debug info) installed executables],
1768         [with_stripping=no],
1769         [with_stripping=yes])
1770 AC_MSG_RESULT($with_stripping)
1771
1772 if test "$with_stripping" = yes
1773 then
1774         INSTALL_OPT_S="-s"
1775 else
1776         INSTALL_OPT_S=
1777 fi
1778 AC_SUBST(INSTALL_OPT_S)
1779 ])dnl
1780 dnl ---------------------------------------------------------------------------
1781 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1782 dnl -----------------
1783 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1784 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1785 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1786 dnl
1787 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1788 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1789 dnl the wrappers for gcc and g++ warnings.
1790 dnl
1791 dnl $1 = GCC (default) or GXX
1792 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1793 dnl $3 = CFLAGS (default) or CXXFLAGS
1794 AC_DEFUN([CF_INTEL_COMPILER],[
1795 AC_REQUIRE([AC_CANONICAL_HOST])
1796 ifelse([$2],,INTEL_COMPILER,[$2])=no
1797
1798 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1799         case $host_os in
1800         (linux*|gnu*)
1801                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1802                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1803                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1804                 AC_TRY_COMPILE([],[
1805 #ifdef __INTEL_COMPILER
1806 #else
1807 make an error
1808 #endif
1809 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1810 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1811 ],[])
1812                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1813                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1814                 ;;
1815         esac
1816 fi
1817 ])dnl
1818 dnl ---------------------------------------------------------------------------
1819 dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
1820 dnl ------------
1821 dnl Add checks for large file support.
1822 AC_DEFUN([CF_LARGEFILE],[
1823 ifdef([AC_FUNC_FSEEKO],[
1824         AC_SYS_LARGEFILE
1825         if test "$enable_largefile" != no ; then
1826         AC_FUNC_FSEEKO
1827
1828         # Normally we would collect these definitions in the config.h,
1829         # but (like _XOPEN_SOURCE), some environments rely on having these
1830         # defined before any of the system headers are included.  Another
1831         # case comes up with C++, e.g., on AIX the compiler compiles the
1832         # header files by themselves before looking at the body files it is
1833         # told to compile.  For ncurses, those header files do not include
1834         # the config.h
1835         if test "$ac_cv_sys_large_files" != no
1836         then
1837                 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
1838         fi
1839         if test "$ac_cv_sys_largefile_source" != no
1840         then
1841                 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
1842         fi
1843         if test "$ac_cv_sys_file_offset_bits" != no
1844         then
1845                 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
1846         fi
1847
1848         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1849                 AC_TRY_COMPILE([
1850 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1851 #include <sys/types.h>
1852 #include <dirent.h>
1853                 ],[
1854                 /* if transitional largefile support is setup, this is true */
1855                 extern struct dirent64 * readdir(DIR *);
1856                 struct dirent64 *x = readdir((DIR *)0);
1857                 struct dirent *y = readdir((DIR *)0);
1858                 int z = x - y;
1859                 ],
1860                 [cf_cv_struct_dirent64=yes],
1861                 [cf_cv_struct_dirent64=no])
1862         ])
1863         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1864         fi
1865 ])
1866 ])
1867 dnl ---------------------------------------------------------------------------
1868 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
1869 dnl ---------------
1870 dnl For the given system and compiler, find the compiler flags to pass to the
1871 dnl loader to use the "rpath" feature.
1872 AC_DEFUN([CF_LD_RPATH_OPT],
1873 [
1874 AC_REQUIRE([CF_CHECK_CACHE])
1875
1876 LD_RPATH_OPT=
1877 if test "x$cf_cv_enable_rpath" != xno
1878 then
1879         AC_MSG_CHECKING(for an rpath option)
1880         case $cf_cv_system_name in
1881         (irix*)
1882                 if test "$GCC" = yes; then
1883                         LD_RPATH_OPT="-Wl,-rpath,"
1884                 else
1885                         LD_RPATH_OPT="-rpath "
1886                 fi
1887                 ;;
1888         (linux*|gnu*|k*bsd*-gnu|freebsd*)
1889                 LD_RPATH_OPT="-Wl,-rpath,"
1890                 ;;
1891         (openbsd[[2-9]].*|mirbsd*)
1892                 LD_RPATH_OPT="-Wl,-rpath,"
1893                 ;;
1894         (dragonfly*)
1895                 LD_RPATH_OPT="-rpath "
1896                 ;;
1897         (netbsd*)
1898                 LD_RPATH_OPT="-Wl,-rpath,"
1899                 ;;
1900         (osf*|mls+*)
1901                 LD_RPATH_OPT="-rpath "
1902                 ;;
1903         (solaris2*)
1904                 LD_RPATH_OPT="-R"
1905                 ;;
1906         (*)
1907                 ;;
1908         esac
1909         AC_MSG_RESULT($LD_RPATH_OPT)
1910
1911         case "x$LD_RPATH_OPT" in
1912         (x-R*)
1913                 AC_MSG_CHECKING(if we need a space after rpath option)
1914                 cf_save_LIBS="$LIBS"
1915                 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1916                 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1917                 LIBS="$cf_save_LIBS"
1918                 AC_MSG_RESULT($cf_rpath_space)
1919                 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1920                 ;;
1921         esac
1922 fi
1923 ])dnl
1924 dnl ---------------------------------------------------------------------------
1925 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1926 dnl ---------------
1927 dnl Construct a search-list of directories for a nonstandard library-file
1928 dnl
1929 dnl Parameters
1930 dnl     $1 = the variable to return as result
1931 dnl     $2 = the package name
1932 AC_DEFUN([CF_LIBRARY_PATH],
1933 [
1934 $1=
1935 cf_library_path_list=""
1936 if test -n "${LDFLAGS}${LIBS}" ; then
1937         for cf_library_path in $LDFLAGS $LIBS
1938         do
1939                 case $cf_library_path in
1940                 (-L*)
1941                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1942                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1943                         cf_library_path_list="$cf_library_path_list [$]$1"
1944                         ;;
1945                 esac
1946         done
1947 fi
1948
1949 CF_SUBDIR_PATH($1,$2,lib)
1950
1951 $1="$cf_library_path_list [$]$1"
1952 ])dnl
1953 dnl ---------------------------------------------------------------------------
1954 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1955 dnl -------------
1956 dnl Compute the library-prefix for the given host system
1957 dnl $1 = variable to set
1958 define([CF_LIB_PREFIX],
1959 [
1960         case $cf_cv_system_name in
1961         (OS/2*|os2*)
1962                 if test "$DFT_LWR_MODEL" = libtool; then
1963                         LIB_PREFIX='lib'
1964                 else
1965                         LIB_PREFIX=''
1966                 fi
1967                 ;;
1968         (*)     LIB_PREFIX='lib'
1969                 ;;
1970         esac
1971 ifelse($1,,,[$1=$LIB_PREFIX])
1972         AC_SUBST(LIB_PREFIX)
1973 ])dnl
1974 dnl ---------------------------------------------------------------------------
1975 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1976 dnl -------------
1977 dnl Compute the library file-suffix from the given model name
1978 dnl $1 = model name
1979 dnl $2 = variable to set (the nominal library suffix)
1980 dnl $3 = dependency variable to set (actual filename)
1981 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1982 AC_DEFUN([CF_LIB_SUFFIX],
1983 [
1984         case X$1 in
1985         (Xlibtool)
1986                 $2='.la'
1987                 $3=[$]$2
1988                 ;;
1989         (Xdebug)
1990                 $2='_g.a'
1991                 $3=[$]$2
1992                 ;;
1993         (Xprofile)
1994                 $2='_p.a'
1995                 $3=[$]$2
1996                 ;;
1997         (Xshared)
1998                 case $cf_cv_system_name in
1999                 (aix[[5-7]]*)
2000                         $2='.so'
2001                         $3=[$]$2
2002                         ;;
2003                 (cygwin*|msys*|mingw*)
2004                         $2='.dll'
2005                         $3='.dll.a'
2006                         ;;
2007                 (darwin*)
2008                         $2='.dylib'
2009                         $3=[$]$2
2010                         ;;
2011                 (hpux*)
2012                         case $target in
2013                         (ia64*)
2014                                 $2='.so'
2015                                 $3=[$]$2
2016                                 ;;
2017                         (*)
2018                                 $2='.sl'
2019                                 $3=[$]$2
2020                                 ;;
2021                         esac
2022                         ;;
2023                 (*)
2024                         $2='.so'
2025                         $3=[$]$2
2026                         ;;
2027                 esac
2028                 ;;
2029         (*)
2030                 $2='.a'
2031                 $3=[$]$2
2032                 ;;
2033         esac
2034         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2035         then
2036                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2037                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2038         fi
2039 ])dnl
2040 dnl ---------------------------------------------------------------------------
2041 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2042 dnl -----------
2043 dnl Compute the string to append to -library from the given model name
2044 dnl $1 = model name
2045 dnl $2 = variable to set
2046 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2047 AC_DEFUN([CF_LIB_TYPE],
2048 [
2049         case $1 in
2050         (libtool) $2=''   ;;
2051         (normal)  $2=''   ;;
2052         (debug)   $2='_g' ;;
2053         (profile) $2='_p' ;;
2054         (shared)  $2=''   ;;
2055         esac
2056         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2057 ])dnl
2058 dnl ---------------------------------------------------------------------------
2059 dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
2060 dnl ----------------
2061 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2062 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
2063 dnl have to provide wrappers for global tables to ensure they're linked
2064 dnl properly.
2065 AC_DEFUN([CF_LINK_DATAONLY],
2066 [
2067 AC_MSG_CHECKING([if data-only library module links])
2068 AC_CACHE_VAL(cf_cv_link_dataonly,[
2069         rm -f conftest.a
2070         cat >conftest.$ac_ext <<EOF
2071 #line __oline__ "configure"
2072 int     testdata[[3]] = { 123, 456, 789 };
2073 EOF
2074         if AC_TRY_EVAL(ac_compile) ; then
2075                 mv conftest.o data.o && \
2076                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2077         fi
2078         rm -f conftest.$ac_ext data.o
2079         cat >conftest.$ac_ext <<EOF
2080 #line __oline__ "configure"
2081 int     testfunc(void)
2082 {
2083 #if defined(NeXT)
2084         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
2085 #else
2086         extern int testdata[[3]];
2087         return testdata[[0]] == 123
2088            &&  testdata[[1]] == 456
2089            &&  testdata[[2]] == 789;
2090 #endif
2091 }
2092 EOF
2093         if AC_TRY_EVAL(ac_compile); then
2094                 mv conftest.o func.o && \
2095                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2096         fi
2097         rm -f conftest.$ac_ext func.o
2098         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2099         cf_saveLIBS="$LIBS"
2100         LIBS="conftest.a $LIBS"
2101         AC_TRY_RUN([
2102         int main(void)
2103         {
2104                 extern int testfunc();
2105                 ${cf_cv_main_return:-return} (!testfunc());
2106         }
2107         ],
2108         [cf_cv_link_dataonly=yes],
2109         [cf_cv_link_dataonly=no],
2110         [cf_cv_link_dataonly=unknown])
2111         LIBS="$cf_saveLIBS"
2112         ])
2113 AC_MSG_RESULT($cf_cv_link_dataonly)
2114
2115 if test "$cf_cv_link_dataonly" = no ; then
2116         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2117         BROKEN_LINKER=1
2118 fi
2119
2120 ])dnl
2121 dnl ---------------------------------------------------------------------------
2122 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2123 dnl ------------
2124 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2125 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
2126 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2127 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2128 AC_DEFUN([CF_MAKEFLAGS],
2129 [
2130 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2131         cf_cv_makeflags=''
2132         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2133         do
2134                 cat >cf_makeflags.tmp <<CF_EOF
2135 SHELL = $SHELL
2136 all :
2137         @ echo '.$cf_option'
2138 CF_EOF
2139                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
2140                 case "$cf_result" in
2141                 (.*k|.*kw)
2142                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2143                         case "$cf_result" in
2144                         (.*CC=*)        cf_cv_makeflags=
2145                                 ;;
2146                         (*)     cf_cv_makeflags=$cf_option
2147                                 ;;
2148                         esac
2149                         break
2150                         ;;
2151                 (.-)
2152                         ;;
2153                 (*)
2154                         CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2155                         ;;
2156                 esac
2157         done
2158         rm -f cf_makeflags.tmp
2159 ])
2160
2161 AC_SUBST(cf_cv_makeflags)
2162 ])dnl
2163 dnl ---------------------------------------------------------------------------
2164 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2165 dnl ------------
2166 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
2167 dnl a monocase filesystem.
2168 AC_DEFUN([CF_MAKE_TAGS],[
2169 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2170
2171 AC_CHECK_PROGS(CTAGS, exctags ctags)
2172 AC_CHECK_PROGS(ETAGS, exetags etags)
2173
2174 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2175
2176 if test "$cf_cv_mixedcase" = yes ; then
2177         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2178 else
2179         MAKE_UPPER_TAGS=no
2180 fi
2181
2182 if test "$MAKE_UPPER_TAGS" = yes ; then
2183         MAKE_UPPER_TAGS=
2184 else
2185         MAKE_UPPER_TAGS="#"
2186 fi
2187
2188 if test "$MAKE_LOWER_TAGS" = yes ; then
2189         MAKE_LOWER_TAGS=
2190 else
2191         MAKE_LOWER_TAGS="#"
2192 fi
2193
2194 AC_SUBST(CTAGS)
2195 AC_SUBST(ETAGS)
2196
2197 AC_SUBST(MAKE_UPPER_TAGS)
2198 AC_SUBST(MAKE_LOWER_TAGS)
2199 ])dnl
2200 dnl ---------------------------------------------------------------------------
2201 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2202 dnl ----------------------
2203 dnl Check if the file-system supports mixed-case filenames.  If we're able to
2204 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2205 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2206 [
2207 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2208 if test "$cross_compiling" = yes ; then
2209         case $target_alias in
2210         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2211                 cf_cv_mixedcase=no
2212                 ;;
2213         (*)
2214                 cf_cv_mixedcase=yes
2215                 ;;
2216         esac
2217 else
2218         rm -f conftest CONFTEST
2219         echo test >conftest
2220         if test -f CONFTEST ; then
2221                 cf_cv_mixedcase=no
2222         else
2223                 cf_cv_mixedcase=yes
2224         fi
2225         rm -f conftest CONFTEST
2226 fi
2227 ])
2228 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2229 ])dnl
2230 dnl ---------------------------------------------------------------------------
2231 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2232 dnl ----------
2233 dnl Check for a working mkstemp.  This creates two files, checks that they are
2234 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2235 AC_DEFUN([CF_MKSTEMP],[
2236 AC_CHECK_HEADERS( \
2237 unistd.h \
2238 )
2239 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2240 rm -rf conftest*
2241 AC_TRY_RUN([
2242 #include <sys/types.h>
2243 #ifdef HAVE_UNISTD_H
2244 #include <unistd.h>
2245 #endif
2246 #include <stdlib.h>
2247 #include <stdio.h>
2248 #include <string.h>
2249 #include <sys/stat.h>
2250 int main(void)
2251 {
2252         char *tmpl = "conftestXXXXXX";
2253         char name[2][80];
2254         int n;
2255         int result = 0;
2256         int fd;
2257         struct stat sb;
2258
2259         umask(077);
2260         for (n = 0; n < 2; ++n) {
2261                 strcpy(name[n], tmpl);
2262                 if ((fd = mkstemp(name[n])) >= 0) {
2263                         if (!strcmp(name[n], tmpl)
2264                          || stat(name[n], &sb) != 0
2265                          || (sb.st_mode & S_IFMT) != S_IFREG
2266                          || (sb.st_mode & 077) != 0) {
2267                                 result = 1;
2268                         }
2269                         close(fd);
2270                 }
2271         }
2272         if (result == 0
2273          && !strcmp(name[0], name[1]))
2274                 result = 1;
2275         ${cf_cv_main_return:-return}(result);
2276 }
2277 ],[cf_cv_func_mkstemp=yes
2278 ],[cf_cv_func_mkstemp=no
2279 ],[cf_cv_func_mkstemp=maybe])
2280 ])
2281 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2282         AC_CHECK_FUNC(mkstemp)
2283 fi
2284 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2285         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2286 fi
2287 ])dnl
2288 dnl ---------------------------------------------------------------------------
2289 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2290 dnl ----------
2291 dnl Write a debug message to config.log, along with the line number in the
2292 dnl configure script.
2293 AC_DEFUN([CF_MSG_LOG],[
2294 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2295 ])dnl
2296 dnl ---------------------------------------------------------------------------
2297 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2298 dnl ----------------
2299 dnl Configure an ncurses add-on, built outside the ncurses tree.
2300 AC_DEFUN([CF_NCURSES_ADDON],[
2301 AC_REQUIRE([CF_NCURSES_CONFIG])
2302
2303 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2304
2305 AC_MSG_CHECKING(if you want wide-character code)
2306 AC_ARG_ENABLE(widec,
2307         [  --enable-widec          compile with wide-char/UTF-8 code],
2308         [with_widec=$enableval],
2309         [with_widec=no])
2310 AC_MSG_RESULT($with_widec)
2311 if test "$with_widec" = yes ; then
2312         CF_UTF8_LIB
2313         CF_NCURSES_CONFIG(ncursesw)
2314 else
2315         CF_NCURSES_CONFIG(ncurses)
2316 fi
2317
2318 if test "$NCURSES_CONFIG_PKG" != none ; then
2319         cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2320
2321         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2322         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2323         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2324
2325         cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2326         if test -z "$cf_cv_abi_version"
2327         then
2328                 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2329         fi
2330
2331 elif test "$NCURSES_CONFIG" != none ; then
2332
2333         cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2334
2335         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2336         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2337         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2338
2339         # ABI version is not available from headers
2340         cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2341
2342 else
2343
2344         for cf_name in MAJOR MINOR PATCH
2345         do
2346         cat >conftest.$ac_ext <<CF_EOF
2347         #include <${cf_cv_ncurses_header:-curses.h}>
2348         AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2349 CF_EOF
2350                 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2351                 AC_TRY_EVAL(cf_try)
2352                 if test -f conftest.out ; then
2353                         cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2354                         eval NCURSES_$cf_name=\"$cf_result\"
2355                         # cat conftest.$ac_ext
2356                         # cat conftest.out
2357                 fi
2358         done
2359
2360         cf_cv_abi_version=${NCURSES_MAJOR}
2361
2362 fi
2363
2364 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2365
2366 dnl Show the computed version, for logging
2367 cf_cv_timestamp=`date`
2368
2369 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2370
2371 dnl We need these values in the generated headers
2372 AC_SUBST(NCURSES_MAJOR)
2373 AC_SUBST(NCURSES_MINOR)
2374 AC_SUBST(NCURSES_PATCH)
2375
2376 dnl We need these values in the generated makefiles
2377 AC_SUBST(cf_cv_rel_version)
2378 AC_SUBST(cf_cv_abi_version)
2379
2380 dnl FIXME - not needed for Ada95
2381 AC_SUBST(cf_cv_builtin_bool)
2382 AC_SUBST(cf_cv_header_stdbool_h)
2383 AC_SUBST(cf_cv_type_of_bool)dnl
2384
2385 ])
2386 dnl ---------------------------------------------------------------------------
2387 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2388 dnl -------------------
2389 dnl Check if we can compile with ncurses' header file
2390 dnl $1 is the cache variable to set
2391 dnl $2 is the header-file to include
2392 dnl $3 is the root name (ncurses or ncursesw)
2393 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2394         AC_TRY_COMPILE([
2395 ]ifelse($3,ncursesw,[
2396 #define _XOPEN_SOURCE_EXTENDED
2397 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2398 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2399 ])[
2400 #include <$2>],[
2401 #ifdef NCURSES_VERSION
2402 ]ifelse($3,ncursesw,[
2403 #ifndef WACS_BSSB
2404         make an error
2405 #endif
2406 ])[
2407 printf("%s\n", NCURSES_VERSION);
2408 #else
2409 #ifdef __NCURSES_H
2410 printf("old\n");
2411 #else
2412         make an error
2413 #endif
2414 #endif
2415         ]
2416         ,[$1=$2]
2417         ,[$1=no])
2418 ])dnl
2419 dnl ---------------------------------------------------------------------------
2420 dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
2421 dnl -----------------
2422 dnl Tie together the configure-script macros for ncurses, preferring these in
2423 dnl order:
2424 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2425 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2426 dnl c) just plain libraries
2427 dnl
2428 dnl $1 is the root library name (default: "ncurses")
2429 AC_DEFUN([CF_NCURSES_CONFIG],[
2430 AC_REQUIRE([CF_PKG_CONFIG])
2431 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2432 cf_have_ncuconfig=no
2433
2434 if test "x${PKG_CONFIG:=none}" != xnone; then
2435         AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2436         if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2437                 AC_MSG_RESULT(yes)
2438
2439                 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2440                 cf_have_ncuconfig=unknown
2441
2442                 cf_save_CPPFLAGS="$CPPFLAGS"
2443                 cf_save_LIBS="$LIBS"
2444
2445                 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
2446                 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2447
2448                 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2449                         [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2450                         [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2451                                 int main(void)
2452                                 { char *xx = curses_version(); return (xx == 0); }],
2453                                 [cf_have_ncuconfig=yes],
2454                                 [cf_have_ncuconfig=no],
2455                                 [cf_have_ncuconfig=maybe])],
2456                         [cf_have_ncuconfig=no])
2457                 AC_MSG_RESULT($cf_have_ncuconfig)
2458                 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2459                 if test "$cf_have_ncuconfig" != "yes"
2460                 then
2461                         CPPFLAGS="$cf_save_CPPFLAGS"
2462                         LIBS="$cf_save_LIBS"
2463                         NCURSES_CONFIG_PKG=none
2464                 else
2465                         AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2466                         NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2467                         CF_TERM_HEADER
2468                 fi
2469
2470         else
2471                 AC_MSG_RESULT(no)
2472                 NCURSES_CONFIG_PKG=none
2473         fi
2474 else
2475         NCURSES_CONFIG_PKG=none
2476 fi
2477
2478 if test "x$cf_have_ncuconfig" = "xno"; then
2479         cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2480
2481         CF_ACVERSION_CHECK(2.52,
2482                 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2483                 [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2484
2485         if test "$NCURSES_CONFIG" != none ; then
2486
2487                 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2488                 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2489
2490                 # even with config script, some packages use no-override for curses.h
2491                 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2492
2493                 dnl like CF_NCURSES_CPPFLAGS
2494                 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2495
2496                 dnl like CF_NCURSES_LIBS
2497                 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2498                 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2499
2500                 dnl like CF_NCURSES_VERSION
2501                 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2502
2503         else
2504
2505                 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2506                 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2507
2508         fi
2509 else
2510         NCURSES_CONFIG=none
2511 fi
2512 ])dnl
2513 dnl ---------------------------------------------------------------------------
2514 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2515 dnl -------------------
2516 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2517 dnl the CPPFLAGS variable so we can include its header.
2518 dnl
2519 dnl The header files may be installed as either curses.h, or ncurses.h (would
2520 dnl be obsolete, except that some packagers prefer this name to distinguish it
2521 dnl from a "native" curses implementation).  If not installed for overwrite,
2522 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2523 dnl /usr/include/ncurses), but someone may have installed overwriting the
2524 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2525 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2526 dnl the header.
2527 dnl
2528 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2529 dnl is already in the include-path, don't even bother with this, since we cannot
2530 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2531 dnl
2532 dnl The optional parameter gives the root name of the library, in case it is
2533 dnl not installed as the default curses library.  That is how the
2534 dnl wide-character version of ncurses is installed.
2535 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2536 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2537
2538 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2539 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2540
2541 test -n "$cf_cv_curses_dir" && \
2542 test "$cf_cv_curses_dir" != "no" && { \
2543   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2544 }
2545
2546 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2547         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2548         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2549         for cf_header in $cf_header_list
2550         do
2551                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2552                 test "$cf_cv_ncurses_h" != no && break
2553         done
2554 ])
2555
2556 CF_NCURSES_HEADER
2557 CF_TERM_HEADER
2558
2559 # some applications need this, but should check for NCURSES_VERSION
2560 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2561
2562 CF_NCURSES_VERSION
2563 ])dnl
2564 dnl ---------------------------------------------------------------------------
2565 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2566 dnl -----------------
2567 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2568 dnl variations of ncurses' installs.
2569 dnl
2570 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2571 AC_DEFUN([CF_NCURSES_HEADER],[
2572
2573 if test "$cf_cv_ncurses_h" != no ; then
2574         cf_cv_ncurses_header=$cf_cv_ncurses_h
2575 else
2576
2577 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2578         test -n "$verbose" && echo
2579         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2580         test -n "$verbose" && echo search path $cf_search
2581         cf_save2_CPPFLAGS="$CPPFLAGS"
2582         for cf_incdir in $cf_search
2583         do
2584                 CF_ADD_INCDIR($cf_incdir)
2585                 for cf_header in \
2586                         ncurses.h \
2587                         curses.h
2588                 do
2589                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2590                         if test "$cf_cv_ncurses_h2" != no ; then
2591                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2592                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2593                                 break
2594                         fi
2595                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2596                 done
2597                 CPPFLAGS="$cf_save2_CPPFLAGS"
2598                 test "$cf_cv_ncurses_h2" != no && break
2599         done
2600         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2601         ])
2602
2603         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2604         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2605         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2606                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2607         fi
2608         CF_ADD_INCDIR($cf_1st_incdir)
2609
2610 fi
2611
2612 # Set definitions to allow ifdef'ing for ncurses.h
2613
2614 case $cf_cv_ncurses_header in
2615 (*ncurses.h)
2616         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2617         ;;
2618 esac
2619
2620 case $cf_cv_ncurses_header in
2621 (ncurses/curses.h|ncurses/ncurses.h)
2622         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2623         ;;
2624 (ncursesw/curses.h|ncursesw/ncurses.h)
2625         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2626         ;;
2627 esac
2628
2629 ])dnl
2630 dnl ---------------------------------------------------------------------------
2631 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2632 dnl ---------------
2633 dnl Look for the ncurses library.  This is a little complicated on Linux,
2634 dnl because it may be linked with the gpm (general purpose mouse) library.
2635 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2636 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2637 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2638 dnl and the linker will record a dependency.
2639 dnl
2640 dnl The optional parameter gives the root name of the library, in case it is
2641 dnl not installed as the default curses library.  That is how the
2642 dnl wide-character version of ncurses is installed.
2643 AC_DEFUN([CF_NCURSES_LIBS],
2644 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2645
2646 cf_nculib_root=ifelse($1,,ncurses,$1)
2647         # This works, except for the special case where we find gpm, but
2648         # ncurses is in a nonstandard location via $LIBS, and we really want
2649         # to link gpm.
2650 cf_ncurses_LIBS=""
2651 cf_ncurses_SAVE="$LIBS"
2652 AC_CHECK_LIB(gpm,Gpm_Open,
2653         [AC_CHECK_LIB(gpm,initscr,
2654                 [LIBS="$cf_ncurses_SAVE"],
2655                 [cf_ncurses_LIBS="-lgpm"])])
2656
2657 case $host_os in
2658 (freebsd*)
2659         # This is only necessary if you are linking against an obsolete
2660         # version of ncurses (but it should do no harm, since it's static).
2661         if test "$cf_nculib_root" = ncurses ; then
2662                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2663         fi
2664         ;;
2665 esac
2666
2667 CF_ADD_LIBS($cf_ncurses_LIBS)
2668
2669 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2670 then
2671         CF_ADD_LIBS(-l$cf_nculib_root)
2672 else
2673         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2674                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2675                 [initscr()],
2676                 initscr)
2677 fi
2678
2679 if test -n "$cf_ncurses_LIBS" ; then
2680         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2681         cf_ncurses_SAVE="$LIBS"
2682         for p in $cf_ncurses_LIBS ; do
2683                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2684                 if test "$q" != "$LIBS" ; then
2685                         LIBS="$q"
2686                 fi
2687         done
2688         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2689                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2690                 [AC_MSG_RESULT(yes)],
2691                 [AC_MSG_RESULT(no)
2692                  LIBS="$cf_ncurses_SAVE"])
2693 fi
2694
2695 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2696 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2697 ])dnl
2698 dnl ---------------------------------------------------------------------------
2699 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2700 dnl ------------------
2701 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2702 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2703 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2704 AC_DEFUN([CF_NCURSES_VERSION],
2705 [
2706 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2707 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2708         cf_cv_ncurses_version=no
2709         cf_tempfile=out$$
2710         rm -f $cf_tempfile
2711         AC_TRY_RUN([
2712 #include <${cf_cv_ncurses_header:-curses.h}>
2713 #include <stdio.h>
2714 int main(void)
2715 {
2716         FILE *fp = fopen("$cf_tempfile", "w");
2717 #ifdef NCURSES_VERSION
2718 # ifdef NCURSES_VERSION_PATCH
2719         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2720 # else
2721         fprintf(fp, "%s\n", NCURSES_VERSION);
2722 # endif
2723 #else
2724 # ifdef __NCURSES_H
2725         fprintf(fp, "old\n");
2726 # else
2727         make an error
2728 # endif
2729 #endif
2730         ${cf_cv_main_return:-return}(0);
2731 }],[
2732         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2733
2734         # This will not work if the preprocessor splits the line after the
2735         # Autoconf token.  The 'unproto' program does that.
2736         cat > conftest.$ac_ext <<EOF
2737 #include <${cf_cv_ncurses_header:-curses.h}>
2738 #undef Autoconf
2739 #ifdef NCURSES_VERSION
2740 Autoconf NCURSES_VERSION
2741 #else
2742 #ifdef __NCURSES_H
2743 Autoconf "old"
2744 #endif
2745 ;
2746 #endif
2747 EOF
2748         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2749         AC_TRY_EVAL(cf_try)
2750         if test -f conftest.out ; then
2751                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2752                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2753                 rm -f conftest.out
2754         fi
2755 ])
2756         rm -f $cf_tempfile
2757 ])
2758 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2759 ])dnl
2760 dnl ---------------------------------------------------------------------------
2761 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2762 dnl -------------
2763 dnl Compute the object-directory name from the given model name
2764 AC_DEFUN([CF_OBJ_SUBDIR],
2765 [
2766         case $1 in
2767         (libtool) $2='obj_lo'  ;;
2768         (normal)  $2='objects' ;;
2769         (debug)   $2='obj_g' ;;
2770         (profile) $2='obj_p' ;;
2771         (shared)
2772                 case $cf_cv_system_name in
2773                 (cygwin|msys)
2774                         $2='objects' ;;
2775                 (*)
2776                         $2='obj_s' ;;
2777                 esac
2778         esac
2779 ])dnl
2780 dnl ---------------------------------------------------------------------------
2781 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2782 dnl ----------
2783 dnl Provide a value for the $PATH and similar separator (or amend the value
2784 dnl as provided in autoconf 2.5x).
2785 AC_DEFUN([CF_PATHSEP],
2786 [
2787         AC_MSG_CHECKING(for PATH separator)
2788         case $cf_cv_system_name in
2789         (os2*)  PATH_SEPARATOR=';'  ;;
2790         (*)     ${PATH_SEPARATOR:=':'}  ;;
2791         esac
2792 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2793         AC_SUBST(PATH_SEPARATOR)
2794         AC_MSG_RESULT($PATH_SEPARATOR)
2795 ])dnl
2796 dnl ---------------------------------------------------------------------------
2797 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2798 dnl --------------
2799 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2800 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2801 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2802 dnl delayed evaluation of those symbols.
2803 AC_DEFUN([CF_PATH_SYNTAX],[
2804 if test "x$prefix" != xNONE; then
2805         cf_path_syntax="$prefix"
2806 else
2807         cf_path_syntax="$ac_default_prefix"
2808 fi
2809
2810 case ".[$]$1" in
2811 (.\[$]\(*\)*|.\'*\'*)
2812         ;;
2813 (..|./*|.\\*)
2814         ;;
2815 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2816         ;;
2817 (.\[$]{*prefix}*|.\[$]{*dir}*)
2818         eval $1="[$]$1"
2819         case ".[$]$1" in
2820         (.NONE/*)
2821                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2822                 ;;
2823         esac
2824         ;;
2825 (.no|.NONE/*)
2826         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2827         ;;
2828 (*)
2829         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2830         ;;
2831 esac
2832 ])dnl
2833 dnl ---------------------------------------------------------------------------
2834 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2835 dnl -------------
2836 dnl Check for the package-config program, unless disabled by command-line.
2837 AC_DEFUN([CF_PKG_CONFIG],
2838 [
2839 AC_MSG_CHECKING(if you want to use pkg-config)
2840 AC_ARG_WITH(pkg-config,
2841         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2842         [cf_pkg_config=$withval],
2843         [cf_pkg_config=yes])
2844 AC_MSG_RESULT($cf_pkg_config)
2845
2846 case $cf_pkg_config in
2847 (no)
2848         PKG_CONFIG=none
2849         ;;
2850 (yes)
2851         CF_ACVERSION_CHECK(2.52,
2852                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2853                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2854         ;;
2855 (*)
2856         PKG_CONFIG=$withval
2857         ;;
2858 esac
2859
2860 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2861 if test "$PKG_CONFIG" != none ; then
2862         CF_PATH_SYNTAX(PKG_CONFIG)
2863 elif test "x$cf_pkg_config" != xno ; then
2864         AC_MSG_WARN(pkg-config is not installed)
2865 fi
2866
2867 AC_SUBST(PKG_CONFIG)
2868 ])dnl
2869 dnl ---------------------------------------------------------------------------
2870 dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
2871 dnl -----------------
2872 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2873 dnl
2874 dnl     POSIX.1-1990                            _POSIX_SOURCE
2875 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2876 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2877 dnl             Bindings Option
2878 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2879 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2880 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2881 dnl
2882 dnl Parameters:
2883 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2884 AC_DEFUN([CF_POSIX_C_SOURCE],
2885 [
2886 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2887
2888 cf_save_CFLAGS="$CFLAGS"
2889 cf_save_CPPFLAGS="$CPPFLAGS"
2890
2891 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2892 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2893
2894 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2895         CF_MSG_LOG(if the symbol is already defined go no further)
2896         AC_TRY_COMPILE([#include <sys/types.h>],[
2897 #ifndef _POSIX_C_SOURCE
2898 make an error
2899 #endif],
2900         [cf_cv_posix_c_source=no],
2901         [cf_want_posix_source=no
2902          case .$cf_POSIX_C_SOURCE in
2903          (.[[12]]??*)
2904                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2905                 ;;
2906          (.2)
2907                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2908                 cf_want_posix_source=yes
2909                 ;;
2910          (.*)
2911                 cf_want_posix_source=yes
2912                 ;;
2913          esac
2914          if test "$cf_want_posix_source" = yes ; then
2915                 AC_TRY_COMPILE([#include <sys/types.h>],[
2916 #ifdef _POSIX_SOURCE
2917 make an error
2918 #endif],[],
2919                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2920          fi
2921          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2922          CFLAGS="$cf_trim_CFLAGS"
2923          CPPFLAGS="$cf_trim_CPPFLAGS"
2924          CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
2925          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2926          AC_TRY_COMPILE([#include <sys/types.h>],[
2927 #ifndef _POSIX_C_SOURCE
2928 make an error
2929 #endif],,
2930          [cf_cv_posix_c_source=no])
2931          CFLAGS="$cf_save_CFLAGS"
2932          CPPFLAGS="$cf_save_CPPFLAGS"
2933         ])
2934 ])
2935
2936 if test "$cf_cv_posix_c_source" != no ; then
2937         CFLAGS="$cf_trim_CFLAGS"
2938         CPPFLAGS="$cf_trim_CPPFLAGS"
2939         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2940 fi
2941
2942 ])dnl
2943 dnl ---------------------------------------------------------------------------
2944 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2945 dnl ----------
2946 dnl Check for archiver "ar".
2947 AC_DEFUN([CF_PROG_AR],[
2948 AC_CHECK_TOOL(AR, ar, ar)
2949 ])
2950 dnl ---------------------------------------------------------------------------
2951 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2952 dnl -----------
2953 dnl Check for awk, ensure that the check found something.
2954 AC_DEFUN([CF_PROG_AWK],
2955 [
2956 AC_PROG_AWK
2957 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2958 ])dnl
2959 dnl ---------------------------------------------------------------------------
2960 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2961 dnl ----------
2962 dnl standard check for CC, plus followup sanity checks
2963 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2964 AC_DEFUN([CF_PROG_CC],[
2965 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2966 CF_GCC_VERSION
2967 CF_ACVERSION_CHECK(2.52,
2968         [AC_PROG_CC_STDC],
2969         [CF_ANSI_CC_REQD])
2970 CF_CC_ENV_FLAGS
2971 ])dnl
2972 dnl ---------------------------------------------------------------------------
2973 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
2974 dnl --------------
2975 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2976 dnl the output file can be renamed, and allows for a shell variable that can
2977 dnl be used later.  The parameter is either CC or CXX.  The result is the
2978 dnl cache variable:
2979 dnl     $cf_cv_prog_CC_c_o
2980 dnl     $cf_cv_prog_CXX_c_o
2981 dnl
2982 dnl $1 = compiler
2983 dnl $2 = compiler options, if any
2984 AC_DEFUN([CF_PROG_CC_C_O],
2985 [AC_REQUIRE([AC_PROG_CC])dnl
2986 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2987 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2988 [
2989 cat > conftest.$ac_ext <<CF_EOF
2990 int main(void)
2991 {
2992         ${cf_cv_main_return:-return}(0);
2993 }
2994 CF_EOF
2995 # We do the test twice because some compilers refuse to overwrite an
2996 # existing .o file with -o, though they will create one.
2997 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2998 if AC_TRY_EVAL(ac_try) &&
2999   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3000 then
3001   eval cf_cv_prog_$1_c_o=yes
3002 else
3003   eval cf_cv_prog_$1_c_o=no
3004 fi
3005 rm -rf conftest*
3006 ])dnl
3007 if test $cf_cv_prog_$1_c_o = yes; then
3008   AC_MSG_RESULT([yes])
3009 else
3010   AC_MSG_RESULT([no])
3011 fi
3012 ])dnl
3013 dnl ---------------------------------------------------------------------------
3014 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3015 dnl -------------
3016 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3017 dnl This macro adds a check to ensure the script found something.
3018 AC_DEFUN([CF_PROG_EGREP],
3019 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3020         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3021                 then ac_cv_prog_egrep='grep -E'
3022                 else ac_cv_prog_egrep='egrep'
3023         fi])
3024         EGREP=$ac_cv_prog_egrep
3025         AC_SUBST([EGREP])
3026         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3027 ])dnl
3028 dnl ---------------------------------------------------------------------------
3029 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3030 dnl -----------
3031 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3032 AC_DEFUN([CF_PROG_EXT],
3033 [
3034 AC_REQUIRE([CF_CHECK_CACHE])
3035 case $cf_cv_system_name in
3036 (os2*)
3037         CFLAGS="$CFLAGS -Zmt"
3038         CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3039         CXXFLAGS="$CXXFLAGS -Zmt"
3040         # autoconf's macro sets -Zexe and suffix both, which conflict:w
3041         LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3042         ac_cv_exeext=.exe
3043         ;;
3044 esac
3045
3046 AC_EXEEXT
3047 AC_OBJEXT
3048
3049 PROG_EXT="$EXEEXT"
3050 AC_SUBST(PROG_EXT)
3051 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3052 ])dnl
3053 dnl ---------------------------------------------------------------------------
3054 dnl CF_PROG_GNAT version: 7 updated: 2018/11/10 18:37:39
3055 dnl ------------
3056 dnl Check for gnatmake, ensure that it is complete.
3057 AC_DEFUN([CF_PROG_GNAT],[
3058 cf_ada_make=gnatmake
3059 cf_ada_config="#"
3060 AC_CHECK_PROG(gnatmake_exists, $cf_ada_make, yes, no)
3061 if test "$ac_cv_prog_gnatmake_exists" = no; then
3062         cf_ada_make=
3063         cf_cv_prog_gnat_correct=no
3064 else
3065         AC_CHECK_PROG(gprconfig_exists, gprconfig, yes, no)
3066         if test "$ac_cv_prog_gprconfig_exists" = yes
3067         then
3068                 rm -rf conftest* *~conftest*
3069                 if mkdir conftest.src
3070                 then
3071                         cf_ada_config=""
3072                         cd conftest.src
3073                         for cf_gprconfig in Ada C
3074                         do
3075                                 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3076                                 if test $cf_gprconfig = C
3077                                 then
3078                                         for cf_gprconfig_param in \
3079                                                 $cf_gprconfig,,,,GNATGCC \
3080                                                 $cf_gprconfig,,,,GCC \
3081                                                 $cf_gprconfig
3082                                         do
3083                                                 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3084                                                 test -n "$cf_gprconfig_value" && break
3085                                         done
3086                                 else
3087                                         cf_gprconfig_param=$cf_gprconfig
3088                                         cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3089                                 fi
3090                                 if test -n "$cf_gprconfig_value"
3091                                 then
3092                                         eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3093                                         AC_MSG_RESULT($cf_gprconfig_value)
3094                                 else
3095                                         AC_MSG_RESULT(missing)
3096                                         cf_ada_config="#"
3097                                         break
3098                                 fi
3099                         done
3100                         cd ..
3101                         rm -rf conftest* *~conftest*
3102                 fi
3103         else
3104                 # gprconfig is newer than gnatmake; we can continue...
3105                 cf_ada_config="##"
3106         fi
3107         if test "x$cf_ada_config" != "x#"
3108         then
3109                 CF_GNAT_VERSION
3110                 AC_CHECK_PROG(M4_exists, m4, yes, no)
3111                 if test "$ac_cv_prog_M4_exists" = no; then
3112                         cf_cv_prog_gnat_correct=no
3113                         echo Ada95 binding required program m4 not found. Ada95 binding disabled.
3114                 fi
3115                 if test "$cf_cv_prog_gnat_correct" = yes; then
3116                         AC_MSG_CHECKING(if GNAT works)
3117                         CF_GNAT_TRY_RUN([procedure conftest;],
3118 [with Text_IO;
3119 with GNAT.OS_Lib;
3120 procedure conftest is
3121 begin
3122    Text_IO.Put ("Hello World");
3123    Text_IO.New_Line;
3124    GNAT.OS_Lib.OS_Exit (0);
3125 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
3126                         AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3127                 fi
3128         else
3129                 cf_cv_prog_gnat_correct=no
3130         fi
3131 fi
3132
3133 AC_SUBST(cf_ada_make)
3134 AC_SUBST(cf_ada_config)
3135 AC_SUBST(cf_ada_config_Ada)
3136 AC_SUBST(cf_ada_config_C)
3137 ])dnl
3138 dnl ---------------------------------------------------------------------------
3139 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3140 dnl ---------------
3141 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
3142 dnl misc/tabset install won't work properly.  Usually this happens only when
3143 dnl using the fallback mkinstalldirs script
3144 AC_DEFUN([CF_PROG_INSTALL],
3145 [AC_PROG_INSTALL
3146 case $INSTALL in
3147 (/*)
3148         ;;
3149 (*)
3150         CF_DIRNAME(cf_dir,$INSTALL)
3151         test -z "$cf_dir" && cf_dir=.
3152         INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3153         ;;
3154 esac
3155 ])dnl
3156 dnl ---------------------------------------------------------------------------
3157 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3158 dnl ------------
3159 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3160 dnl option if it is supported.
3161 AC_DEFUN([CF_PROG_LN_S],[
3162 AC_PROG_LN_S
3163 AC_MSG_CHECKING(if $LN_S -f options work)
3164
3165 rm -f conf$$.src conf$$dst
3166 echo >conf$$.dst
3167 echo first >conf$$.src
3168 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3169         cf_prog_ln_sf=yes
3170 else
3171         cf_prog_ln_sf=no
3172 fi
3173 rm -f conf$$.dst conf$$src
3174 AC_MSG_RESULT($cf_prog_ln_sf)
3175
3176 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3177 ])dnl
3178 dnl ---------------------------------------------------------------------------
3179 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3180 dnl ----------------
3181 dnl Remove all -U and -D options that refer to the given symbol from a list
3182 dnl of C compiler options.  This works around the problem that not all
3183 dnl compilers process -U and -D options from left-to-right, so a -U option
3184 dnl cannot be used to cancel the effect of a preceding -D option.
3185 dnl
3186 dnl $1 = target (which could be the same as the source variable)
3187 dnl $2 = source (including '$')
3188 dnl $3 = symbol to remove
3189 define([CF_REMOVE_DEFINE],
3190 [
3191 $1=`echo "$2" | \
3192         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
3193                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
3194 ])dnl
3195 dnl ---------------------------------------------------------------------------
3196 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3197 dnl -------------
3198 dnl Remove the given library from the symbol
3199 dnl
3200 dnl $1 = target (which could be the same as the source variable)
3201 dnl $2 = source (including '$')
3202 dnl $3 = library to remove
3203 define([CF_REMOVE_LIB],
3204 [
3205 # remove $3 library from $2
3206 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
3207 ])dnl
3208 dnl ---------------------------------------------------------------------------
3209 dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35
3210 dnl --------------
3211 dnl --------------
3212 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3213 dnl library.
3214 dnl
3215 dnl Notes:
3216 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3217 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3218 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3219 dnl shared library since that can lead to unexpected results at runtime.
3220 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3221 dnl libraries are compiled in ../../lib
3222 dnl
3223 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3224 dnl to install symbolic links to the rel/abi versions of shared libraries.
3225 dnl
3226 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3227 dnl version when making symbolic links.
3228 dnl
3229 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3230 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3231 dnl (ex: libncurses.so.<ver>).
3232 dnl
3233 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
3234 AC_DEFUN([CF_SHARED_OPTS],
3235 [
3236         AC_REQUIRE([CF_LD_RPATH_OPT])
3237
3238         RM_SHARED_OPTS=
3239         LOCAL_LDFLAGS=
3240         LOCAL_LDFLAGS2=
3241         LD_SHARED_OPTS=
3242         INSTALL_LIB="-m 644"
3243         : ${rel_builddir:=.}
3244
3245         shlibdir=$libdir
3246         AC_SUBST(shlibdir)
3247
3248         MAKE_DLLS="#"
3249         AC_SUBST(MAKE_DLLS)
3250
3251         cf_cv_do_symlinks=no
3252         cf_ld_rpath_opt=
3253         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3254
3255         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3256         AC_ARG_WITH(shlib-version,
3257         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
3258         [test -z "$withval" && withval=auto
3259         case $withval in
3260         (yes)
3261                 cf_cv_shlib_version=auto
3262                 ;;
3263         (rel|abi|auto)
3264                 cf_cv_shlib_version=$withval
3265                 ;;
3266         (*)
3267                 AC_MSG_RESULT($withval)
3268                 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3269                 ;;
3270         esac
3271         ],[cf_cv_shlib_version=auto])
3272         AC_MSG_RESULT($cf_cv_shlib_version)
3273
3274         cf_cv_rm_so_locs=no
3275         cf_try_cflags=
3276
3277         # Some less-capable ports of gcc support only -fpic
3278         CC_SHARED_OPTS=
3279
3280         cf_try_fPIC=no
3281         if test "$GCC" = yes
3282         then
3283                 cf_try_fPIC=yes
3284         else
3285                 case $cf_cv_system_name in
3286                 (*linux*)       # e.g., PGI compiler
3287                         cf_try_fPIC=yes
3288                         ;;
3289                 esac
3290         fi
3291
3292         if test "$cf_try_fPIC" = yes
3293         then
3294                 AC_MSG_CHECKING(which $CC option to use)
3295                 cf_save_CFLAGS="$CFLAGS"
3296                 for CC_SHARED_OPTS in -fPIC -fpic ''
3297                 do
3298                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3299                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3300                 done
3301                 AC_MSG_RESULT($CC_SHARED_OPTS)
3302                 CFLAGS="$cf_save_CFLAGS"
3303         fi
3304
3305         cf_cv_shlib_version_infix=no
3306
3307         case $cf_cv_system_name in
3308         (aix4.[3-9]*|aix[[5-7]]*)
3309                 if test "$GCC" = yes; then
3310                         CC_SHARED_OPTS='-Wl,-brtl'
3311                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3312                 else
3313                         CC_SHARED_OPTS='-brtl'
3314                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3315                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3316                 fi
3317                 ;;
3318         (beos*)
3319                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3320                 ;;
3321         (cygwin*)
3322                 CC_SHARED_OPTS=
3323                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3324                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3325                 cf_cv_shlib_version=cygdll
3326                 cf_cv_shlib_version_infix=cygdll
3327                 shlibdir=$bindir
3328                 MAKE_DLLS=
3329                 cat >mk_shared_lib.sh <<-CF_EOF
3330                 #!$SHELL
3331                 SHARED_LIB=\[$]1
3332                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3333                 shift
3334                 cat <<-EOF
3335                 Linking shared library
3336                 ** SHARED_LIB \[$]SHARED_LIB
3337                 ** IMPORT_LIB \[$]IMPORT_LIB
3338 EOF
3339                 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3340 CF_EOF
3341                 chmod +x mk_shared_lib.sh
3342                 ;;
3343         (msys*)
3344                 CC_SHARED_OPTS=
3345                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3346                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3347                 cf_cv_shlib_version=msysdll
3348                 cf_cv_shlib_version_infix=msysdll
3349                 shlibdir=$bindir
3350                 MAKE_DLLS=
3351                 cat >mk_shared_lib.sh <<-CF_EOF
3352                 #!$SHELL
3353                 SHARED_LIB=\[$]1
3354                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3355                 shift
3356                 cat <<-EOF
3357                 Linking shared library
3358                 ** SHARED_LIB \[$]SHARED_LIB
3359                 ** IMPORT_LIB \[$]IMPORT_LIB
3360 EOF
3361                 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3362 CF_EOF
3363                 chmod +x mk_shared_lib.sh
3364                 ;;
3365         (darwin*)
3366                 cf_try_cflags="no-cpp-precomp"
3367                 CC_SHARED_OPTS="-dynamic"
3368                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3369                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3370                 cf_cv_shlib_version_infix=yes
3371                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3372                         cf_save_LDFLAGS=$LDFLAGS
3373                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3374                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3375                                 LDFLAGS=$cf_save_LDFLAGS])
3376                 if test $cf_cv_ldflags_search_paths_first = yes; then
3377                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3378                 fi
3379                 ;;
3380         (hpux[[7-8]]*)
3381                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3382                 if test "$GCC" != yes; then
3383                         CC_SHARED_OPTS='+Z'
3384                 fi
3385                 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3386                 INSTALL_LIB="-m 555"
3387                 ;;
3388         (hpux*)
3389                 # (tested with gcc 2.7.2 -- I don't have c89)
3390                 if test "$GCC" = yes; then
3391                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3392                 else
3393                         CC_SHARED_OPTS='+Z'
3394                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3395                 fi
3396                 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3397                 # HP-UX shared libraries must be executable, and should be
3398                 # readonly to exploit a quirk in the memory manager.
3399                 INSTALL_LIB="-m 555"
3400                 ;;
3401         (interix*)
3402                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3403                 if test "$cf_cv_shlib_version" = rel; then
3404                         cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3405                 else
3406                         cf_shared_soname='`basename $[@]`'
3407                 fi
3408                 CC_SHARED_OPTS=
3409                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3410                 ;;
3411         (irix*)
3412                 if test "$cf_cv_enable_rpath" = yes ; then
3413                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3414                 fi
3415                 # tested with IRIX 5.2 and 'cc'.
3416                 if test "$GCC" != yes; then
3417                         CC_SHARED_OPTS='-KPIC'
3418                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3419                 else
3420                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3421                 fi
3422                 cf_cv_rm_so_locs=yes
3423                 ;;
3424         (linux*|gnu*|k*bsd*-gnu)
3425                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3426                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3427                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3428                 fi
3429                 if test "$cf_cv_enable_rpath" = yes ; then
3430                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3431                 fi
3432                 CF_SHARED_SONAME
3433                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3434                 ;;
3435         (mingw*)
3436                 cf_cv_shlib_version=mingw
3437                 cf_cv_shlib_version_infix=mingw
3438                 shlibdir=$bindir
3439                 MAKE_DLLS=
3440                 if test "$DFT_LWR_MODEL" = "shared" ; then
3441                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3442                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3443                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3444                 fi
3445                 CC_SHARED_OPTS=
3446                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3447                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3448                 cat >mk_shared_lib.sh <<-CF_EOF
3449                 #!$SHELL
3450                 SHARED_LIB=\[$]1
3451                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3452                 shift
3453                 cat <<-EOF
3454                 Linking shared library
3455                 ** SHARED_LIB \[$]SHARED_LIB
3456                 ** IMPORT_LIB \[$]IMPORT_LIB
3457 EOF
3458                 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3459 CF_EOF
3460                 chmod +x mk_shared_lib.sh
3461                 ;;
3462         (openbsd[[2-9]].*|mirbsd*)
3463                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3464                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3465                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3466                 fi
3467                 if test "$cf_cv_enable_rpath" = yes ; then
3468                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3469                 fi
3470                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3471                 CF_SHARED_SONAME
3472                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3473                 ;;
3474         (nto-qnx*|openbsd*|freebsd[[12]].*)
3475                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3476                 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3477                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3478                 ;;
3479         (dragonfly*|freebsd*)
3480                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3481                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3482                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3483                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3484                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3485                 fi
3486                 CF_SHARED_SONAME
3487                 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3488                 ;;
3489         (netbsd*)
3490                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3491                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3492                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3493                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3494                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3495                         if test "$cf_cv_shlib_version" = auto; then
3496                         if test -f /usr/libexec/ld.elf_so; then
3497                                 cf_cv_shlib_version=abi
3498                         else
3499                                 cf_cv_shlib_version=rel
3500                         fi
3501                         fi
3502                         CF_SHARED_SONAME
3503                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3504                 else
3505                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
3506                 fi
3507                 ;;
3508         (osf*|mls+*)
3509                 # tested with OSF/1 V3.2 and 'cc'
3510                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3511                 # link with shared libs).
3512                 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3513                 case $host_os in
3514                 (osf4*)
3515                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3516                         ;;
3517                 esac
3518                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3519                 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3520                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3521                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3522                 fi
3523                 cf_cv_rm_so_locs=yes
3524                 ;;
3525         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
3526                 # tested with osr5.0.5
3527                 if test "$GCC" != yes; then
3528                         CC_SHARED_OPTS='-belf -KPIC'
3529                 fi
3530                 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3531                 if test "$cf_cv_enable_rpath" = yes ; then
3532                         # only way is to set LD_RUN_PATH but no switch for it
3533                         RUN_PATH=$libdir
3534                 fi
3535                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3536                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3537                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3538                 ;;
3539         (sunos4*)
3540                 # tested with SunOS 4.1.1 and gcc 2.7.0
3541                 if test "$GCC" != yes; then
3542                         CC_SHARED_OPTS='-KPIC'
3543                 fi
3544                 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
3545                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3546                 ;;
3547         (solaris2*)
3548                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3549                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3550                 if test "$DFT_LWR_MODEL" = "shared" ; then
3551                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3552                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3553                 fi
3554                 if test "$cf_cv_enable_rpath" = yes ; then
3555                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3556                 fi
3557                 CF_SHARED_SONAME
3558                 if test "$GCC" != yes; then
3559                         cf_save_CFLAGS="$CFLAGS"
3560                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3561                         do
3562                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3563                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3564                         done
3565                         CFLAGS="$cf_save_CFLAGS"
3566                         CC_SHARED_OPTS=$cf_shared_opts
3567                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3568                 else
3569                         MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3570                 fi
3571                 ;;
3572         (sysv5uw7*|unix_sv*)
3573                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3574                 if test "$GCC" != yes; then
3575                         CC_SHARED_OPTS='-KPIC'
3576                 fi
3577                 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
3578                 ;;
3579         (*)
3580                 CC_SHARED_OPTS='unknown'
3581                 MK_SHARED_LIB='echo unknown'
3582                 ;;
3583         esac
3584
3585         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3586         case "$cf_cv_shlib_version" in
3587         (rel|abi)
3588                 case "$MK_SHARED_LIB" in
3589                 (*'-o $[@]')
3590                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3591                         ;;
3592                 (*)
3593                         AC_MSG_WARN(ignored --with-shlib-version)
3594                         ;;
3595                 esac
3596                 ;;
3597         esac
3598
3599         if test -n "$cf_try_cflags"
3600         then
3601 cat > conftest.$ac_ext <<EOF
3602 #line __oline__ "${as_me:-configure}"
3603 #include <stdio.h>
3604 int main(int argc, char *argv[[]])
3605 {
3606         printf("hello\n");
3607         return (argv[[argc-1]] == 0) ;
3608 }
3609 EOF
3610                 cf_save_CFLAGS="$CFLAGS"
3611                 for cf_opt in $cf_try_cflags
3612                 do
3613                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3614                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3615                         if AC_TRY_EVAL(ac_compile); then
3616                                 AC_MSG_RESULT(yes)
3617                                 cf_save_CFLAGS="$CFLAGS"
3618                         else
3619                                 AC_MSG_RESULT(no)
3620                         fi
3621                 done
3622                 CFLAGS="$cf_save_CFLAGS"
3623         fi
3624
3625
3626         # RPATH_LIST is a colon-separated list of directories
3627         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3628         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3629
3630         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3631
3632         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3633         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3634
3635         AC_SUBST(CC_SHARED_OPTS)
3636         AC_SUBST(LD_RPATH_OPT)
3637         AC_SUBST(LD_SHARED_OPTS)
3638         AC_SUBST(MK_SHARED_LIB)
3639         AC_SUBST(RM_SHARED_OPTS)
3640
3641         AC_SUBST(LINK_PROGS)
3642         AC_SUBST(LINK_TESTS)
3643
3644         AC_SUBST(EXTRA_LDFLAGS)
3645         AC_SUBST(LOCAL_LDFLAGS)
3646         AC_SUBST(LOCAL_LDFLAGS2)
3647
3648         AC_SUBST(INSTALL_LIB)
3649         AC_SUBST(RPATH_LIST)
3650 ])dnl
3651 dnl ---------------------------------------------------------------------------
3652 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3653 dnl ----------------
3654 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3655 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3656 dnl option.
3657 dnl
3658 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3659 dnl If missing, use "rel".
3660 define([CF_SHARED_SONAME],
3661 [
3662         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3663         if test "$cf_cv_shlib_version" = rel; then
3664                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3665         else
3666                 cf_cv_shared_soname='`basename $[@]`'
3667         fi
3668 ])
3669 dnl ---------------------------------------------------------------------------
3670 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3671 dnl --------------
3672 dnl     Remove "-g" option from the compiler options
3673 AC_DEFUN([CF_STRIP_G_OPT],
3674 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3675 dnl ---------------------------------------------------------------------------
3676 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3677 dnl --------------
3678 dnl Construct a search-list for a nonstandard header/lib-file
3679 dnl     $1 = the variable to return as result
3680 dnl     $2 = the package name
3681 dnl     $3 = the subdirectory, e.g., bin, include or lib
3682 AC_DEFUN([CF_SUBDIR_PATH],
3683 [
3684 $1=
3685
3686 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3687
3688 for cf_subdir_prefix in \
3689         /usr \
3690         /usr/local \
3691         /usr/pkg \
3692         /opt \
3693         /opt/local \
3694         [$]HOME
3695 do
3696         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3697 done
3698 ])dnl
3699 dnl ---------------------------------------------------------------------------
3700 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3701 dnl --------------
3702 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3703 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3704 dnl but some packagers change this, breaking various applications.
3705 AC_DEFUN([CF_TERM_HEADER],[
3706 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3707 case ${cf_cv_ncurses_header} in
3708 (*/ncurses.h|*/ncursesw.h)
3709         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3710         ;;
3711 (*)
3712         cf_term_header=term.h
3713         ;;
3714 esac
3715
3716 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3717 do
3718 AC_TRY_COMPILE([#include <stdio.h>
3719 #include <${cf_cv_ncurses_header:-curses.h}>
3720 #include <$cf_test>
3721 ],[int x = auto_left_margin],[
3722         cf_cv_term_header="$cf_test"],[
3723         cf_cv_term_header=unknown
3724         ])
3725         test "$cf_cv_term_header" != unknown && break
3726 done
3727 ])
3728
3729 # Set definitions to allow ifdef'ing to accommodate subdirectories
3730
3731 case $cf_cv_term_header in
3732 (*term.h)
3733         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3734         ;;
3735 esac
3736
3737 case $cf_cv_term_header in
3738 (ncurses/term.h)
3739         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3740         ;;
3741 (ncursesw/term.h)
3742         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3743         ;;
3744 esac
3745 ])dnl
3746 dnl ---------------------------------------------------------------------------
3747 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3748 dnl ---------------
3749 dnl Define a top_builddir symbol, for applications that need an absolute path.
3750 AC_DEFUN([CF_TOP_BUILDDIR],
3751 [
3752 top_builddir=ifelse($1,,`pwd`,$1)
3753 AC_SUBST(top_builddir)
3754 ])dnl
3755 dnl ---------------------------------------------------------------------------
3756 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
3757 dnl -------------------
3758 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3759 dnl can define it successfully.
3760 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3761 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3762         AC_TRY_COMPILE([
3763 #include <stdlib.h>
3764 #include <string.h>
3765 #include <sys/types.h>
3766 ],[
3767 #ifndef _XOPEN_SOURCE
3768 make an error
3769 #endif],
3770         [cf_cv_xopen_source=no],
3771         [cf_save="$CPPFLAGS"
3772          CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
3773          AC_TRY_COMPILE([
3774 #include <stdlib.h>
3775 #include <string.h>
3776 #include <sys/types.h>
3777 ],[
3778 #ifdef _XOPEN_SOURCE
3779 make an error
3780 #endif],
3781         [cf_cv_xopen_source=no],
3782         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3783         CPPFLAGS="$cf_save"
3784         ])
3785 ])
3786
3787 if test "$cf_cv_xopen_source" != no ; then
3788         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3789         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3790         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3791         CF_ADD_CFLAGS($cf_temp_xopen_source)
3792 fi
3793 ])
3794 dnl ---------------------------------------------------------------------------
3795 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3796 dnl --------
3797 dnl Make an uppercase version of a variable
3798 dnl $1=uppercase($2)
3799 AC_DEFUN([CF_UPPER],
3800 [
3801 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3802 ])dnl
3803 dnl ---------------------------------------------------------------------------
3804 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3805 dnl -----------
3806 dnl Check for multibyte support, and if not found, utf8 compatibility library
3807 AC_DEFUN([CF_UTF8_LIB],
3808 [
3809 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3810         cf_save_LIBS="$LIBS"
3811         AC_TRY_LINK([
3812 #include <stdlib.h>],[putwc(0,0);],
3813         [cf_cv_utf8_lib=yes],
3814         [CF_FIND_LINKAGE([
3815 #include <libutf8.h>],[putwc(0,0);],utf8,
3816                 [cf_cv_utf8_lib=add-on],
3817                 [cf_cv_utf8_lib=no])
3818 ])])
3819
3820 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3821 # ncurses/ncursesw:
3822 if test "$cf_cv_utf8_lib" = "add-on" ; then
3823         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3824         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3825         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3826         CF_ADD_LIBS($cf_cv_library_file_utf8)
3827 fi
3828 ])dnl
3829 dnl ---------------------------------------------------------------------------
3830 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3831 dnl ----------
3832 dnl Use AC_VERBOSE w/o the warnings
3833 AC_DEFUN([CF_VERBOSE],
3834 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3835 CF_MSG_LOG([$1])
3836 ])dnl
3837 dnl ---------------------------------------------------------------------------
3838 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3839 dnl ---------------
3840 dnl Check for compiler-support for weak symbols.
3841 dnl This works with "recent" gcc.
3842 AC_DEFUN([CF_WEAK_SYMBOLS],[
3843 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3844
3845 AC_TRY_COMPILE([
3846 #include <stdio.h>],
3847 [
3848 #if defined(__GNUC__)
3849 #  if defined __USE_ISOC99
3850 #    define _cat_pragma(exp)    _Pragma(#exp)
3851 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3852 #  else
3853 #    define _weak_pragma(exp)
3854 #  endif
3855 #  define _declare(name)        __extension__ extern __typeof__(name) name
3856 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3857 #endif
3858
3859 weak_symbol(fopen);
3860 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3861 ])
3862 ])dnl
3863 dnl ---------------------------------------------------------------------------
3864 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3865 dnl --------------------
3866 dnl Command-line option to specify the Ada95 compiler.
3867 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3868 AC_MSG_CHECKING(for ada-compiler)
3869 AC_ARG_WITH(ada-compiler,
3870         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3871         [cf_ada_compiler=$withval],
3872         [cf_ada_compiler=gnatmake])
3873 AC_SUBST(cf_ada_compiler)
3874 AC_MSG_RESULT($cf_ada_compiler)
3875 ])dnl
3876 dnl ---------------------------------------------------------------------------
3877 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3878 dnl -------------------
3879 dnl Command-line option to specify where Ada includes will install.
3880 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3881 AC_MSG_CHECKING(for ada-include)
3882 CF_WITH_PATH(ada-include,
3883    [  --with-ada-include=DIR  Ada includes are in DIR],
3884    ADA_INCLUDE,
3885    PREFIX/share/ada/adainclude,
3886    [$]prefix/share/ada/adainclude)
3887 AC_SUBST(ADA_INCLUDE)
3888 AC_MSG_RESULT($ADA_INCLUDE)
3889 ])dnl
3890 dnl ---------------------------------------------------------------------------
3891 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3892 dnl -------------------
3893 dnl Command-line option to specify where Ada objects will install.
3894 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3895 AC_MSG_CHECKING(for ada-objects)
3896 CF_WITH_PATH(ada-objects,
3897    [  --with-ada-objects=DIR  Ada objects are in DIR],
3898    ADA_OBJECTS,
3899    PREFIX/lib/ada/adalib,
3900    [$]prefix/lib/ada/adalib)
3901 AC_SUBST(ADA_OBJECTS)
3902 AC_MSG_RESULT($ADA_OBJECTS)
3903 ])dnl
3904 dnl ---------------------------------------------------------------------------
3905 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
3906 dnl ---------------------
3907 dnl Command-line option to specify if an Ada95 shared-library should be built,
3908 dnl and optionally what its soname should be.
3909 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3910 AC_REQUIRE([CF_GNAT_PROJECTS])
3911 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3912 AC_ARG_WITH(ada-sharedlib,
3913         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3914         [with_ada_sharedlib=$withval],
3915         [with_ada_sharedlib=no])
3916 AC_MSG_RESULT($with_ada_sharedlib)
3917
3918 if test "x$with_ada_sharedlib" != xno
3919 then
3920         if test "x$cf_gnat_projects" != xyes
3921         then
3922                 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
3923                 with_ada_sharedlib=no
3924         fi
3925 fi
3926
3927 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3928 MAKE_ADA_SHAREDLIB="#"
3929
3930 if test "x$with_ada_sharedlib" != xno
3931 then
3932         MAKE_ADA_SHAREDLIB=
3933         if test "x$with_ada_sharedlib" != xyes
3934         then
3935                 ADA_SHAREDLIB="$with_ada_sharedlib"
3936         fi
3937 fi
3938
3939 AC_SUBST(ADA_SHAREDLIB)
3940 AC_SUBST(MAKE_ADA_SHAREDLIB)
3941 ])dnl
3942 dnl ---------------------------------------------------------------------------
3943 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3944 dnl ------------------
3945 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3946 dnl libraries.
3947 AC_DEFUN([CF_WITH_CURSES_DIR],[
3948
3949 AC_MSG_CHECKING(for specific curses-directory)
3950 AC_ARG_WITH(curses-dir,
3951         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3952         [cf_cv_curses_dir=$withval],
3953         [cf_cv_curses_dir=no])
3954 AC_MSG_RESULT($cf_cv_curses_dir)
3955
3956 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3957 then
3958         CF_PATH_SYNTAX(withval)
3959         if test -d "$cf_cv_curses_dir"
3960         then
3961                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3962                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3963         fi
3964 fi
3965 ])dnl
3966 dnl ---------------------------------------------------------------------------
3967 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3968 dnl ------------------
3969 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3970 dnl "lib" prefix, e.g., because it used the dll naming convention.
3971 dnl
3972 dnl $1 = variable to set
3973 AC_DEFUN([CF_WITH_LIB_PREFIX],
3974 [
3975 AC_MSG_CHECKING(if you want to have a library-prefix)
3976 AC_ARG_WITH(lib-prefix,
3977         [  --with-lib-prefix       override library-prefix],
3978         [with_lib_prefix=$withval],
3979         [with_lib_prefix=auto])
3980 AC_MSG_RESULT($with_lib_prefix)
3981
3982 if test $with_lib_prefix = auto
3983 then
3984         CF_LIB_PREFIX($1)
3985 elif test $with_lib_prefix = no
3986 then
3987         LIB_PREFIX=
3988 else
3989         LIB_PREFIX=$with_lib_prefix
3990 fi
3991 ])dnl
3992 dnl ---------------------------------------------------------------------------
3993 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3994 dnl ------------
3995 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3996 dnl defaulting to yes/no.
3997 dnl
3998 dnl $1 = option name
3999 dnl $2 = help-text
4000 dnl $3 = environment variable to set
4001 dnl $4 = default value, shown in the help-message, must be a constant
4002 dnl $5 = default value, if it's an expression & cannot be in the help-message
4003 dnl
4004 AC_DEFUN([CF_WITH_PATH],
4005 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4006 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4007 if ifelse([$5],,true,[test -n "$5"]) ; then
4008 CF_PATH_SYNTAX(withval)
4009 fi
4010 eval $3="$withval"
4011 AC_SUBST($3)dnl
4012 ])dnl
4013 dnl ---------------------------------------------------------------------------
4014 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4015 dnl -------------------------
4016 dnl Allow the choice of the pkg-config library directory to be overridden.
4017 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4018
4019 case $PKG_CONFIG in
4020 (no|none|yes)
4021         AC_MSG_CHECKING(for pkg-config library directory)
4022         ;;
4023 (*)
4024         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4025         ;;
4026 esac
4027
4028 PKG_CONFIG_LIBDIR=no
4029 AC_ARG_WITH(pkg-config-libdir,
4030         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4031         [PKG_CONFIG_LIBDIR=$withval],
4032         [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4033
4034 case x$PKG_CONFIG_LIBDIR in
4035 (x/*)
4036         ;;
4037 (xyes)
4038         # Look for the library directory using the same prefix as the executable
4039         if test "x$PKG_CONFIG" = xnone
4040         then
4041                 cf_path=$prefix
4042         else
4043                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4044         fi
4045
4046         # If you don't like using the default architecture, you have to specify the
4047         # intended library directory and corresponding compiler/linker options.
4048         #
4049         # This case allows for Debian's 2014-flavor of multiarch, along with the
4050         # most common variations before that point.  Some other variants spell the
4051         # directory differently, e.g., "pkg-config", and put it in unusual places.
4052         # pkg-config has always been poorly standardized, which is ironic...
4053         case x`(arch) 2>/dev/null` in
4054         (*64)
4055                 cf_search_path="\
4056                         $cf_path/lib/*64-linux-gnu \
4057                         $cf_path/share \
4058                         $cf_path/lib64 \
4059                         $cf_path/lib32 \
4060                         $cf_path/lib"
4061                 ;;
4062         (*)
4063                 cf_search_path="\
4064                         $cf_path/lib/*-linux-gnu \
4065                         $cf_path/share \
4066                         $cf_path/lib32 \
4067                         $cf_path/lib \
4068                         $cf_path/libdata"
4069                 ;;
4070         esac
4071
4072         CF_VERBOSE(list...)
4073         for cf_config in $cf_search_path
4074         do
4075                 CF_VERBOSE(checking $cf_config/pkgconfig)
4076                 if test -d $cf_config/pkgconfig
4077                 then
4078                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4079                         AC_MSG_CHECKING(done)
4080                         break
4081                 fi
4082         done
4083         ;;
4084 (*)
4085         ;;
4086 esac
4087
4088 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4089         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4090 fi
4091
4092 AC_SUBST(PKG_CONFIG_LIBDIR)
4093 ])dnl
4094 dnl ---------------------------------------------------------------------------
4095 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4096 dnl ---------------
4097 dnl Check for POSIX thread library.
4098 AC_DEFUN([CF_WITH_PTHREAD],
4099 [
4100 AC_MSG_CHECKING(if you want to link with the pthread library)
4101 AC_ARG_WITH(pthread,
4102         [  --with-pthread          use POSIX thread library],
4103         [with_pthread=$withval],
4104         [with_pthread=no])
4105 AC_MSG_RESULT($with_pthread)
4106
4107 if test "$with_pthread" != no ; then
4108         AC_CHECK_HEADER(pthread.h,[
4109         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4110
4111         for cf_lib_pthread in pthread c_r
4112         do
4113             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4114             cf_save_LIBS="$LIBS"
4115             CF_ADD_LIB($cf_lib_pthread)
4116             AC_TRY_LINK([
4117 #include <pthread.h>
4118 ],[
4119                 int rc = pthread_create(0,0,0,0);
4120                 int r2 = pthread_mutexattr_settype(0, 0);
4121 ],[with_pthread=yes],[with_pthread=no])
4122             LIBS="$cf_save_LIBS"
4123             AC_MSG_RESULT($with_pthread)
4124             test "$with_pthread" = yes && break
4125         done
4126
4127         if test "$with_pthread" = yes ; then
4128             CF_ADD_LIB($cf_lib_pthread)
4129             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4130         else
4131             AC_MSG_ERROR(Cannot link with pthread library)
4132         fi
4133         ])
4134 fi
4135 ])
4136 dnl ---------------------------------------------------------------------------
4137 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4138 dnl ---------------
4139 dnl For testing, override the derived host system-type which is used to decide
4140 dnl things such as the linker commands used to build shared libraries.  This is
4141 dnl normally chosen automatically based on the type of system which you are
4142 dnl building on.  We use it for testing the configure script.
4143 dnl
4144 dnl This is different from the --host option: it is used only for testing parts
4145 dnl of the configure script which would not be reachable with --host since that
4146 dnl relies on the build environment being real, rather than mocked up.
4147 AC_DEFUN([CF_WITH_SYSTYPE],[
4148 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4149 AC_ARG_WITH(system-type,
4150         [  --with-system-type=XXX  test: override derived host system-type],
4151 [AC_MSG_WARN(overriding system type to $withval)
4152         cf_cv_system_name=$withval
4153         host_os=$withval
4154 ])
4155 ])dnl
4156 dnl ---------------------------------------------------------------------------
4157 dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
4158 dnl ---------------
4159 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4160 dnl or adapt to the vendor's definitions to get equivalent functionality,
4161 dnl without losing the common non-POSIX features.
4162 dnl
4163 dnl Parameters:
4164 dnl     $1 is the nominal value for _XOPEN_SOURCE
4165 dnl     $2 is the nominal value for _POSIX_C_SOURCE
4166 AC_DEFUN([CF_XOPEN_SOURCE],[
4167 AC_REQUIRE([AC_CANONICAL_HOST])
4168
4169 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4170 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4171 cf_xopen_source=
4172
4173 case $host_os in
4174 (aix[[4-7]]*)
4175         cf_xopen_source="-D_ALL_SOURCE"
4176         ;;
4177 (msys)
4178         cf_XOPEN_SOURCE=600
4179         ;;
4180 (darwin[[0-8]].*)
4181         cf_xopen_source="-D_APPLE_C_SOURCE"
4182         ;;
4183 (darwin*)
4184         cf_xopen_source="-D_DARWIN_C_SOURCE"
4185         cf_XOPEN_SOURCE=
4186         ;;
4187 (freebsd*|dragonfly*)
4188         # 5.x headers associate
4189         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4190         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4191         cf_POSIX_C_SOURCE=200112L
4192         cf_XOPEN_SOURCE=600
4193         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4194         ;;
4195 (hpux11*)
4196         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4197         ;;
4198 (hpux*)
4199         cf_xopen_source="-D_HPUX_SOURCE"
4200         ;;
4201 (irix[[56]].*)
4202         cf_xopen_source="-D_SGI_SOURCE"
4203         cf_XOPEN_SOURCE=
4204         ;;
4205 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4206         CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4207         ;;
4208 (minix*)
4209         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4210         ;;
4211 (mirbsd*)
4212         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4213         cf_XOPEN_SOURCE=
4214         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4215         ;;
4216 (netbsd*)
4217         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4218         ;;
4219 (openbsd[[4-9]]*)
4220         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4221         cf_xopen_source="-D_BSD_SOURCE"
4222         cf_XOPEN_SOURCE=600
4223         ;;
4224 (openbsd*)
4225         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4226         ;;
4227 (osf[[45]]*)
4228         cf_xopen_source="-D_OSF_SOURCE"
4229         ;;
4230 (nto-qnx*)
4231         cf_xopen_source="-D_QNX_SOURCE"
4232         ;;
4233 (sco*)
4234         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4235         ;;
4236 (solaris2.*)
4237         cf_xopen_source="-D__EXTENSIONS__"
4238         cf_cv_xopen_source=broken
4239         ;;
4240 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4241         cf_XOPEN_SOURCE=
4242         cf_POSIX_C_SOURCE=
4243         ;;
4244 (*)
4245         CF_TRY_XOPEN_SOURCE
4246         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4247         ;;
4248 esac
4249
4250 if test -n "$cf_xopen_source" ; then
4251         CF_ADD_CFLAGS($cf_xopen_source,true)
4252 fi
4253
4254 dnl In anything but the default case, we may have system-specific setting
4255 dnl which is still not guaranteed to provide all of the entrypoints that
4256 dnl _XOPEN_SOURCE would yield.
4257 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4258         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4259         AC_TRY_COMPILE([#include <stdlib.h>],[
4260 #ifndef _XOPEN_SOURCE
4261 make an error
4262 #endif],
4263         [cf_XOPEN_SOURCE_set=yes],
4264         [cf_XOPEN_SOURCE_set=no])
4265         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4266         if test $cf_XOPEN_SOURCE_set = yes
4267         then
4268                 AC_TRY_COMPILE([#include <stdlib.h>],[
4269 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4270 make an error
4271 #endif],
4272                 [cf_XOPEN_SOURCE_set_ok=yes],
4273                 [cf_XOPEN_SOURCE_set_ok=no])
4274                 if test $cf_XOPEN_SOURCE_set_ok = no
4275                 then
4276                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4277                 fi
4278         else
4279                 CF_TRY_XOPEN_SOURCE
4280         fi
4281 fi
4282 ])