Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 2010-2016,2017 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 1.117 2017/01/21 22:20:17 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 http://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: 12 updated: 2015/04/12 15:39:00
 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 $cf_fix_cppflags = yes ; then
 130                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 131                                 continue
 132                         elif test "${cf_tst_cflags}" = "\"'" ; then
 133                                 cf_new_extra_cppflags="$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_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 149                         ;;
 150                 esac
 151                 ;;
 152         (*)
 153                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 154                 ;;
 155         esac
 156         ;;
 157 (yes)
 158         cf_new_extra_cppflags="$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 $cf_new_cflags)])
 171         CFLAGS="$CFLAGS $cf_new_cflags"
 172 fi
 173
 174 if test -n "$cf_new_cppflags" ; then
 175         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 176         CPPFLAGS="$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 $cf_new_extra_cppflags)])
 181         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 182 fi
 183
 184 AC_SUBST(EXTRA_CPPFLAGS)
 185
 186 ])dnl
 187 dnl ---------------------------------------------------------------------------
 188 dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
 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=$CPPFLAGS
 219                           CPPFLAGS="$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_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 340 dnl --------------
 341 dnl Allow user to disable a normally-on option.
 342 AC_DEFUN([CF_ARG_DISABLE],
 343 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 344 dnl ---------------------------------------------------------------------------
 345 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 346 dnl -------------
 347 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 348 dnl values.
 349 dnl
 350 dnl Parameters:
 351 dnl $1 = option name
 352 dnl $2 = help-string
 353 dnl $3 = action to perform if option is not default
 354 dnl $4 = action if perform if option is default
 355 dnl $5 = default option value (either 'yes' or 'no')
 356 AC_DEFUN([CF_ARG_OPTION],
 357 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 358         if test "$enableval" != "$5" ; then
 359 ifelse([$3],,[    :]dnl
 360 ,[    $3]) ifelse([$4],,,[
 361         else
 362                 $4])
 363         fi],[enableval=$5 ifelse([$4],,,[
 364         $4
 365 ])dnl
 366 ])])dnl
 367 dnl ---------------------------------------------------------------------------
 368 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
 369 dnl -----------
 370 dnl Check for suitable "ar" (archiver) options for updating an archive.
 371 dnl
 372 dnl In particular, handle some obsolete cases where the "-" might be omitted,
 373 dnl as well as a workaround for breakage of make's archive rules by the GNU
 374 dnl binutils "ar" program.
 375 AC_DEFUN([CF_AR_FLAGS],[
 376 AC_REQUIRE([CF_PROG_AR])
 377
 378 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 379         cf_cv_ar_flags=unknown
 380         for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
 381         do
 382
 383                 # check if $ARFLAGS already contains this choice
 384                 if test "x$ARFLAGS" != "x" ; then
 385                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 386                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 387                                 cf_cv_ar_flags=
 388                                 break
 389                         fi
 390                 fi
 391
 392                 rm -f conftest.$ac_cv_objext
 393                 rm -f conftest.a
 394
 395                 cat >conftest.$ac_ext <<EOF
 396 #line __oline__ "configure"
 397 int     testdata[[3]] = { 123, 456, 789 };
 398 EOF
 399                 if AC_TRY_EVAL(ac_compile) ; then
 400                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 401                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 402                         if test -f conftest.a ; then
 403                                 cf_cv_ar_flags=$cf_ar_flags
 404                                 break
 405                         fi
 406                 else
 407                         CF_VERBOSE(cannot compile test-program)
 408                         break
 409                 fi
 410         done
 411         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 412 ])
 413
 414 if test -n "$ARFLAGS" ; then
 415         if test -n "$cf_cv_ar_flags" ; then
 416                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 417         fi
 418 else
 419         ARFLAGS=$cf_cv_ar_flags
 420 fi
 421
 422 AC_SUBST(ARFLAGS)
 423 ])
 424 dnl ---------------------------------------------------------------------------
 425 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 426 dnl -----------
 427 dnl If we're cross-compiling, allow the user to override the tools and their
 428 dnl options.  The configure script is oriented toward identifying the host
 429 dnl compiler, etc., but we need a build compiler to generate parts of the
 430 dnl source.
 431 dnl
 432 dnl $1 = default for $CPPFLAGS
 433 dnl $2 = default for $LIBS
 434 AC_DEFUN([CF_BUILD_CC],[
 435 CF_ACVERSION_CHECK(2.52,,
 436         [AC_REQUIRE([CF_PROG_EXT])])
 437 if test "$cross_compiling" = yes ; then
 438
 439         # defaults that we might want to override
 440         : ${BUILD_CFLAGS:=''}
 441         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 442         : ${BUILD_LDFLAGS:=''}
 443         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 444         : ${BUILD_EXEEXT:='$x'}
 445         : ${BUILD_OBJEXT:='o'}
 446
 447         AC_ARG_WITH(build-cc,
 448                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 449                 [BUILD_CC="$withval"],
 450                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 451         AC_MSG_CHECKING(for native build C compiler)
 452         AC_MSG_RESULT($BUILD_CC)
 453
 454         AC_MSG_CHECKING(for native build C preprocessor)
 455         AC_ARG_WITH(build-cpp,
 456                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 457                 [BUILD_CPP="$withval"],
 458                 [BUILD_CPP='${BUILD_CC} -E'])
 459         AC_MSG_RESULT($BUILD_CPP)
 460
 461         AC_MSG_CHECKING(for native build C flags)
 462         AC_ARG_WITH(build-cflags,
 463                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 464                 [BUILD_CFLAGS="$withval"])
 465         AC_MSG_RESULT($BUILD_CFLAGS)
 466
 467         AC_MSG_CHECKING(for native build C preprocessor-flags)
 468         AC_ARG_WITH(build-cppflags,
 469                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 470                 [BUILD_CPPFLAGS="$withval"])
 471         AC_MSG_RESULT($BUILD_CPPFLAGS)
 472
 473         AC_MSG_CHECKING(for native build linker-flags)
 474         AC_ARG_WITH(build-ldflags,
 475                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 476                 [BUILD_LDFLAGS="$withval"])
 477         AC_MSG_RESULT($BUILD_LDFLAGS)
 478
 479         AC_MSG_CHECKING(for native build linker-libraries)
 480         AC_ARG_WITH(build-libs,
 481                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 482                 [BUILD_LIBS="$withval"])
 483         AC_MSG_RESULT($BUILD_LIBS)
 484
 485         # this assumes we're on Unix.
 486         BUILD_EXEEXT=
 487         BUILD_OBJEXT=o
 488
 489         : ${BUILD_CC:='${CC}'}
 490
 491         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 492                 AC_MSG_ERROR([Cross-build requires two compilers.
 493 Use --with-build-cc to specify the native compiler.])
 494         fi
 495
 496 else
 497         : ${BUILD_CC:='${CC}'}
 498         : ${BUILD_CPP:='${CPP}'}
 499         : ${BUILD_CFLAGS:='${CFLAGS}'}
 500         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 501         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 502         : ${BUILD_LIBS:='${LIBS}'}
 503         : ${BUILD_EXEEXT:='$x'}
 504         : ${BUILD_OBJEXT:='o'}
 505 fi
 506
 507 AC_SUBST(BUILD_CC)
 508 AC_SUBST(BUILD_CPP)
 509 AC_SUBST(BUILD_CFLAGS)
 510 AC_SUBST(BUILD_CPPFLAGS)
 511 AC_SUBST(BUILD_LDFLAGS)
 512 AC_SUBST(BUILD_LIBS)
 513 AC_SUBST(BUILD_EXEEXT)
 514 AC_SUBST(BUILD_OBJEXT)
 515 ])dnl
 516 dnl ---------------------------------------------------------------------------
 517 dnl CF_CC_ENV_FLAGS version: 6 updated: 2016/08/29 20:57:00
 518 dnl ---------------
 519 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 520 dnl into CC.  This will not help with broken scripts that wrap the compiler
 521 dnl with options, but eliminates a more common category of user confusion.
 522 dnl
 523 dnl In particular, it addresses the problem of being able to run the C
 524 dnl preprocessor in a consistent manner.
 525 dnl
 526 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
 527 dnl the nuisance of having inconsistent settings for compiler and preprocessor
 528 dnl outweighs that limitation.
 529 AC_DEFUN([CF_CC_ENV_FLAGS],
 530 [
 531 # This should have been defined by AC_PROG_CC
 532 : ${CC:=cc}
 533
 534 AC_MSG_CHECKING(\$CC variable)
 535 case "$CC" in
 536 (*[[\ \ ]]-*)
 537         AC_MSG_RESULT(broken)
 538         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 539         # humor him...
 540         cf_flags=`echo "$CC" | sed -e 's/^.*[[  ]]\(-[[^        ]]\)/\1/'`
 541         CC=`echo "$CC " | sed -e 's/[[  ]]-[[^  ]].*$//' -e 's/[[       ]]*$//'`
 542         for cf_arg in $cf_flags
 543         do
 544                 case "x$cf_arg" in
 545                 (x-[[IUDfgOW]]*)
 546                         CF_ADD_CFLAGS($cf_flags)
 547                         ;;
 548                 (*)
 549                         CC="$CC $cf_arg"
 550                         ;;
 551                 esac
 552         done
 553         CF_VERBOSE(resulting CC: '$CC')
 554         CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
 555         CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
 556         ;;
 557 (*)
 558         AC_MSG_RESULT(ok)
 559         ;;
 560 esac
 561 ])dnl
 562 dnl ---------------------------------------------------------------------------
 563 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 564 dnl ---------------
 565 dnl Determine the default configuration into which we'll install ncurses.  This
 566 dnl can be overridden by the user's command-line options.  There's two items to
 567 dnl look for:
 568 dnl     1. the prefix (e.g., /usr)
 569 dnl     2. the header files (e.g., /usr/include/ncurses)
 570 dnl We'll look for a previous installation of ncurses and use the same defaults.
 571 dnl
 572 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 573 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 574 dnl programs from a vendor's.
 575 AC_DEFUN([CF_CFG_DEFAULTS],
 576 [
 577 AC_MSG_CHECKING(for prefix)
 578 if test "x$prefix" = "xNONE" ; then
 579         case "$cf_cv_system_name" in
 580                 # non-vendor systems don't have a conflict
 581         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 582                 prefix=/usr
 583                 ;;
 584         (*)     prefix=$ac_default_prefix
 585                 ;;
 586         esac
 587 fi
 588 AC_MSG_RESULT($prefix)
 589
 590 if test "x$prefix" = "xNONE" ; then
 591 AC_MSG_CHECKING(for default include-directory)
 592 test -n "$verbose" && echo 1>&AC_FD_MSG
 593 for cf_symbol in \
 594         $includedir \
 595         $includedir/ncurses \
 596         $prefix/include \
 597         $prefix/include/ncurses \
 598         /usr/local/include \
 599         /usr/local/include/ncurses \
 600         /usr/include \
 601         /usr/include/ncurses
 602 do
 603         cf_dir=`eval echo $cf_symbol`
 604         if test -f $cf_dir/curses.h ; then
 605         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 606                 includedir="$cf_symbol"
 607                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 608                 break
 609         fi
 610         fi
 611         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 612 done
 613 AC_MSG_RESULT($includedir)
 614 fi
 615 ])dnl
 616 dnl ---------------------------------------------------------------------------
 617 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 618 dnl --------------
 619 dnl Check if we're accidentally using a cache from a different machine.
 620 dnl Derive the system name, as a check for reusing the autoconf cache.
 621 dnl
 622 dnl If we've packaged config.guess and config.sub, run that (since it does a
 623 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 624 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 625 dnl which is useful in cross-compiles.
 626 dnl
 627 dnl Note: we would use $ac_config_sub, but that is one of the places where
 628 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 629 AC_DEFUN([CF_CHECK_CACHE],
 630 [
 631 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 632         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 633         system_name="$host_os"
 634 else
 635         system_name="`(uname -s -r) 2>/dev/null`"
 636         if test -z "$system_name" ; then
 637                 system_name="`(hostname) 2>/dev/null`"
 638         fi
 639 fi
 640 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 641 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 642
 643 test -z "$system_name" && system_name="$cf_cv_system_name"
 644 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 645
 646 if test ".$system_name" != ".$cf_cv_system_name" ; then
 647         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 648         AC_MSG_ERROR("Please remove config.cache and try again.")
 649 fi
 650 ])dnl
 651 dnl ---------------------------------------------------------------------------
 652 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 653 dnl -----------------
 654 dnl Check if the given compiler is really clang.  clang's C driver defines
 655 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 656 dnl not ignore some gcc options.
 657 dnl
 658 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 659 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 660 dnl the wrappers for gcc and g++ warnings.
 661 dnl
 662 dnl $1 = GCC (default) or GXX
 663 dnl $2 = CLANG_COMPILER (default)
 664 dnl $3 = CFLAGS (default) or CXXFLAGS
 665 AC_DEFUN([CF_CLANG_COMPILER],[
 666 ifelse([$2],,CLANG_COMPILER,[$2])=no
 667
 668 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 669         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 670         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 671         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 672         AC_TRY_COMPILE([],[
 673 #ifdef __clang__
 674 #else
 675 make an error
 676 #endif
 677 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 678 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 679 ],[])
 680         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 681         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 682 fi
 683 ])
 684 dnl ---------------------------------------------------------------------------
 685 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 686 dnl ----------------
 687 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 688 dnl variations of ncurses' installs.
 689 dnl
 690 dnl $1 = ncurses when looking for ncurses, or is empty
 691 AC_DEFUN([CF_CURSES_HEADER],[
 692 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 693 cf_cv_ncurses_header=none
 694 for cf_header in \
 695         ncurses.h ifelse($1,,,[$1/ncurses.h]) \
 696         curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 697 do
 698 AC_TRY_COMPILE([#include <${cf_header}>],
 699         [initscr(); tgoto("?", 0,0)],
 700         [cf_cv_ncurses_header=$cf_header; break],[])
 701 done
 702 ])
 703
 704 if test "$cf_cv_ncurses_header" = none ; then
 705         AC_MSG_ERROR(No curses header-files found)
 706 fi
 707
 708 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 709 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 710 ])dnl
 711 dnl ---------------------------------------------------------------------------
 712 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
 713 dnl ----------
 714 dnl "dirname" is not portable, so we fake it with a shell script.
 715 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 716 dnl ---------------------------------------------------------------------------
 717 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 718 dnl ---------------
 719 dnl You can always use "make -n" to see the actual options, but it's hard to
 720 dnl pick out/analyze warning messages when the compile-line is long.
 721 dnl
 722 dnl Sets:
 723 dnl     ECHO_LT - symbol to control if libtool is verbose
 724 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 725 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 726 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 727 dnl     ECHO_CC - symbol to put before any "cc" line
 728 dnl
 729 AC_DEFUN([CF_DISABLE_ECHO],[
 730 AC_MSG_CHECKING(if you want to see long compiling messages)
 731 CF_ARG_DISABLE(echo,
 732         [  --disable-echo          do not display "compiling" commands],
 733         [
 734         ECHO_LT='--silent'
 735         ECHO_LD='@echo linking [$]@;'
 736         RULE_CC='@echo compiling [$]<'
 737         SHOW_CC='@echo compiling [$]@'
 738         ECHO_CC='@'
 739 ],[
 740         ECHO_LT=''
 741         ECHO_LD=''
 742         RULE_CC=''
 743         SHOW_CC=''
 744         ECHO_CC=''
 745 ])
 746 AC_MSG_RESULT($enableval)
 747 AC_SUBST(ECHO_LT)
 748 AC_SUBST(ECHO_LD)
 749 AC_SUBST(RULE_CC)
 750 AC_SUBST(SHOW_CC)
 751 AC_SUBST(ECHO_CC)
 752 ])dnl
 753 dnl ---------------------------------------------------------------------------
 754 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
 755 dnl ------------------------
 756 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
 757 AC_MSG_CHECKING(if we want to use GNAT projects)
 758 CF_ARG_DISABLE(gnat-projects,
 759         [  --disable-gnat-projects test: disable GNAT projects even if usable],
 760         [enable_gnat_projects=no],
 761         [enable_gnat_projects=yes])
 762 AC_MSG_RESULT($enable_gnat_projects)
 763 ])dnl
 764 dnl ---------------------------------------------------------------------------
 765 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 766 dnl ---------------
 767 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 768 dnl prefer a standard location, and use -L options only if we do not find the
 769 dnl library in the standard library location(s).
 770 dnl     $1 = library name
 771 dnl     $2 = library class, usually the same as library name
 772 dnl     $3 = includes
 773 dnl     $4 = code fragment to compile/link
 774 dnl     $5 = corresponding function-name
 775 dnl     $6 = flag, nonnull if failure should not cause an error-exit
 776 dnl
 777 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 778 dnl to use a -L option.
 779 AC_DEFUN([CF_FIND_LIBRARY],
 780 [
 781         eval 'cf_cv_have_lib_'$1'=no'
 782         cf_libdir=""
 783         AC_CHECK_FUNC($5,
 784                 eval 'cf_cv_have_lib_'$1'=yes',[
 785                 cf_save_LIBS="$LIBS"
 786                 AC_MSG_CHECKING(for $5 in -l$1)
 787                 LIBS="-l$1 $LIBS"
 788                 AC_TRY_LINK([$3],[$4],
 789                         [AC_MSG_RESULT(yes)
 790                          eval 'cf_cv_have_lib_'$1'=yes'
 791                         ],
 792                         [AC_MSG_RESULT(no)
 793                         CF_LIBRARY_PATH(cf_search,$2)
 794                         for cf_libdir in $cf_search
 795                         do
 796                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
 797                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 798                                 AC_TRY_LINK([$3],[$4],
 799                                         [AC_MSG_RESULT(yes)
 800                                          eval 'cf_cv_have_lib_'$1'=yes'
 801                                          break],
 802                                         [AC_MSG_RESULT(no)
 803                                          LIBS="$cf_save_LIBS"])
 804                         done
 805                         ])
 806                 ])
 807 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 808 ifelse($6,,[
 809 if test $cf_found_library = no ; then
 810         AC_MSG_ERROR(Cannot link $1 library)
 811 fi
 812 ])
 813 ])dnl
 814 dnl ---------------------------------------------------------------------------
 815 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
 816 dnl ---------------
 817 dnl Find a library (specifically the linkage used in the code fragment),
 818 dnl searching for it if it is not already in the library path.
 819 dnl See also CF_ADD_SEARCHPATH.
 820 dnl
 821 dnl Parameters (4-on are optional):
 822 dnl     $1 = headers for library entrypoint
 823 dnl     $2 = code fragment for library entrypoint
 824 dnl     $3 = the library name without the "-l" option or ".so" suffix.
 825 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
 826 dnl     $5 = action to perform if not successful
 827 dnl     $6 = module name, if not the same as the library name
 828 dnl     $7 = extra libraries
 829 dnl
 830 dnl Sets these variables:
 831 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
 832 dnl     $cf_cv_header_path_$3 - include-directory if needed
 833 dnl     $cf_cv_library_path_$3 - library-directory if needed
 834 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
 835 AC_DEFUN([CF_FIND_LINKAGE],[
 836
 837 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 838 # will be set on completion of the AC_TRY_LINK below.
 839 cf_cv_header_path_$3=
 840 cf_cv_library_path_$3=
 841
 842 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 843
 844 cf_save_LIBS="$LIBS"
 845
 846 AC_TRY_LINK([$1],[$2],[
 847         cf_cv_find_linkage_$3=yes
 848         cf_cv_header_path_$3=/usr/include
 849         cf_cv_library_path_$3=/usr/lib
 850 ],[
 851
 852 LIBS="-l$3 $7 $cf_save_LIBS"
 853
 854 AC_TRY_LINK([$1],[$2],[
 855         cf_cv_find_linkage_$3=yes
 856         cf_cv_header_path_$3=/usr/include
 857         cf_cv_library_path_$3=/usr/lib
 858         cf_cv_library_file_$3="-l$3"
 859 ],[
 860         cf_cv_find_linkage_$3=no
 861         LIBS="$cf_save_LIBS"
 862
 863         CF_VERBOSE(find linkage for $3 library)
 864         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
 865
 866         cf_save_CPPFLAGS="$CPPFLAGS"
 867         cf_test_CPPFLAGS="$CPPFLAGS"
 868
 869         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 870         for cf_cv_header_path_$3 in $cf_search
 871         do
 872                 if test -d $cf_cv_header_path_$3 ; then
 873                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
 874                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
 875                         AC_TRY_COMPILE([$1],[$2],[
 876                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
 877                                 cf_cv_find_linkage_$3=maybe
 878                                 cf_test_CPPFLAGS="$CPPFLAGS"
 879                                 break],[
 880                                 CPPFLAGS="$cf_save_CPPFLAGS"
 881                                 ])
 882                 fi
 883         done
 884
 885         if test "$cf_cv_find_linkage_$3" = maybe ; then
 886
 887                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
 888
 889                 cf_save_LIBS="$LIBS"
 890                 cf_save_LDFLAGS="$LDFLAGS"
 891
 892                 ifelse([$6],,,[
 893                 CPPFLAGS="$cf_test_CPPFLAGS"
 894                 LIBS="-l$3 $7 $cf_save_LIBS"
 895                 AC_TRY_LINK([$1],[$2],[
 896                         CF_VERBOSE(... found $3 library in system)
 897                         cf_cv_find_linkage_$3=yes])
 898                         CPPFLAGS="$cf_save_CPPFLAGS"
 899                         LIBS="$cf_save_LIBS"
 900                         ])
 901
 902                 if test "$cf_cv_find_linkage_$3" != yes ; then
 903                         CF_LIBRARY_PATH(cf_search,$3)
 904                         for cf_cv_library_path_$3 in $cf_search
 905                         do
 906                                 if test -d $cf_cv_library_path_$3 ; then
 907                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
 908                                         CPPFLAGS="$cf_test_CPPFLAGS"
 909                                         LIBS="-l$3 $7 $cf_save_LIBS"
 910                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
 911                                         AC_TRY_LINK([$1],[$2],[
 912                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
 913                                         cf_cv_find_linkage_$3=yes
 914                                         cf_cv_library_file_$3="-l$3"
 915                                         break],[
 916                                         CPPFLAGS="$cf_save_CPPFLAGS"
 917                                         LIBS="$cf_save_LIBS"
 918                                         LDFLAGS="$cf_save_LDFLAGS"
 919                                         ])
 920                                 fi
 921                         done
 922                         CPPFLAGS="$cf_save_CPPFLAGS"
 923                         LDFLAGS="$cf_save_LDFLAGS"
 924                 fi
 925
 926         else
 927                 cf_cv_find_linkage_$3=no
 928         fi
 929         ],$7)
 930 ])
 931
 932 LIBS="$cf_save_LIBS"
 933
 934 if test "$cf_cv_find_linkage_$3" = yes ; then
 935 ifelse([$4],,[
 936         CF_ADD_INCDIR($cf_cv_header_path_$3)
 937         CF_ADD_LIBDIR($cf_cv_library_path_$3)
 938         CF_ADD_LIB($3)
 939 ],[$4])
 940 else
 941 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 942 fi
 943 ])dnl
 944 dnl ---------------------------------------------------------------------------
 945 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
 946 dnl -----------------
 947 dnl make ADAFLAGS consistent with CFLAGS
 948 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
 949         AC_MSG_CHECKING(optimization options for ADAFLAGS)
 950         case "$CFLAGS" in
 951         (*-g*)
 952                 CF_ADD_ADAFLAGS(-g)
 953                 ;;
 954         esac
 955         case "$CFLAGS" in
 956         (*-O*)
 957                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
 958                 CF_ADD_ADAFLAGS($cf_O_flag)
 959                 ;;
 960         esac
 961         AC_MSG_RESULT($ADAFLAGS)
 962 ])dnl
 963 dnl ---------------------------------------------------------------------------
 964 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
 965 dnl -----------------
 966 dnl Test for availability of useful gcc __attribute__ directives to quiet
 967 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 968 dnl to documentation, unrecognized directives cause older compilers to barf.
 969 AC_DEFUN([CF_GCC_ATTRIBUTES],
 970 [
 971 if test "$GCC" = yes
 972 then
 973 cat > conftest.i <<EOF
 974 #ifndef GCC_PRINTF
 975 #define GCC_PRINTF 0
 976 #endif
 977 #ifndef GCC_SCANF
 978 #define GCC_SCANF 0
 979 #endif
 980 #ifndef GCC_NORETURN
 981 #define GCC_NORETURN /* nothing */
 982 #endif
 983 #ifndef GCC_UNUSED
 984 #define GCC_UNUSED /* nothing */
 985 #endif
 986 EOF
 987 if test "$GCC" = yes
 988 then
 989         AC_CHECKING([for $CC __attribute__ directives])
 990 cat > conftest.$ac_ext <<EOF
 991 #line __oline__ "${as_me:-configure}"
 992 #include "confdefs.h"
 993 #include "conftest.h"
 994 #include "conftest.i"
 995 #if     GCC_PRINTF
 996 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
 997 #else
 998 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
 999 #endif
1000 #if     GCC_SCANF
1001 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1002 #else
1003 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1004 #endif
1005 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1006 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1007 extern void foo(void) GCC_NORETURN;
1008 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1009 EOF
1010         cf_printf_attribute=no
1011         cf_scanf_attribute=no
1012         for cf_attribute in scanf printf unused noreturn
1013         do
1014                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1015                 cf_directive="__attribute__(($cf_attribute))"
1016                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1017
1018                 case $cf_attribute in
1019                 (printf)
1020                         cf_printf_attribute=yes
1021                         cat >conftest.h <<EOF
1022 #define GCC_$cf_ATTRIBUTE 1
1023 EOF
1024                         ;;
1025                 (scanf)
1026                         cf_scanf_attribute=yes
1027                         cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1029 EOF
1030                         ;;
1031                 (*)
1032                         cat >conftest.h <<EOF
1033 #define GCC_$cf_ATTRIBUTE $cf_directive
1034 EOF
1035                         ;;
1036                 esac
1037
1038                 if AC_TRY_EVAL(ac_compile); then
1039                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1040                         cat conftest.h >>confdefs.h
1041                         case $cf_attribute in
1042                         (noreturn)
1043                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1044                                 ;;
1045                         (printf)
1046                                 cf_value='/* nothing */'
1047                                 if test "$cf_printf_attribute" != no ; then
1048                                         cf_value='__attribute__((format(printf,fmt,var)))'
1049                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1050                                 fi
1051                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1052                                 ;;
1053                         (scanf)
1054                                 cf_value='/* nothing */'
1055                                 if test "$cf_scanf_attribute" != no ; then
1056                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1057                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1058                                 fi
1059                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1060                                 ;;
1061                         (unused)
1062                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1063                                 ;;
1064                         esac
1065                 fi
1066         done
1067 else
1068         fgrep define conftest.i >>confdefs.h
1069 fi
1070 rm -rf conftest*
1071 fi
1072 ])dnl
1073 dnl ---------------------------------------------------------------------------
1074 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1075 dnl --------------
1076 dnl Find version of gcc
1077 AC_DEFUN([CF_GCC_VERSION],[
1078 AC_REQUIRE([AC_PROG_CC])
1079 GCC_VERSION=none
1080 if test "$GCC" = yes ; then
1081         AC_MSG_CHECKING(version of $CC)
1082         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1083         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1084         AC_MSG_RESULT($GCC_VERSION)
1085 fi
1086 ])dnl
1087 dnl ---------------------------------------------------------------------------
1088 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1089 dnl ---------------
1090 dnl Check if the compiler supports useful warning options.  There's a few that
1091 dnl we don't use, simply because they're too noisy:
1092 dnl
1093 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1094 dnl     -Wredundant-decls (system headers make this too noisy)
1095 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1096 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1097 dnl             is enabled for ncurses using "--enable-const".
1098 dnl     -pedantic
1099 dnl
1100 dnl Parameter:
1101 dnl     $1 is an optional list of gcc warning flags that a particular
1102 dnl             application might want to use, e.g., "no-unused" for
1103 dnl             -Wno-unused
1104 dnl Special:
1105 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1106 dnl
1107 AC_DEFUN([CF_GCC_WARNINGS],
1108 [
1109 AC_REQUIRE([CF_GCC_VERSION])
1110 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1111 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1112
1113 cat > conftest.$ac_ext <<EOF
1114 #line __oline__ "${as_me:-configure}"
1115 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1116 EOF
1117
1118 if test "$INTEL_COMPILER" = yes
1119 then
1120 # The "-wdXXX" options suppress warnings:
1121 # remark #1419: external declaration in primary source file
1122 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1123 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1124 # remark #193: zero used for undefined preprocessing identifier
1125 # remark #593: variable "curs_sb_left_arrow" was set but never used
1126 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1127 # remark #869: parameter "tw" was never referenced
1128 # remark #981: operands are evaluated in unspecified order
1129 # warning #279: controlling expression is constant
1130
1131         AC_CHECKING([for $CC warning options])
1132         cf_save_CFLAGS="$CFLAGS"
1133         EXTRA_CFLAGS="-Wall"
1134         for cf_opt in \
1135                 wd1419 \
1136                 wd1683 \
1137                 wd1684 \
1138                 wd193 \
1139                 wd593 \
1140                 wd279 \
1141                 wd810 \
1142                 wd869 \
1143                 wd981
1144         do
1145                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1146                 if AC_TRY_EVAL(ac_compile); then
1147                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1148                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1149                 fi
1150         done
1151         CFLAGS="$cf_save_CFLAGS"
1152
1153 elif test "$GCC" = yes
1154 then
1155         AC_CHECKING([for $CC warning options])
1156         cf_save_CFLAGS="$CFLAGS"
1157         EXTRA_CFLAGS=
1158         cf_warn_CONST=""
1159         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1160         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1161         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1162         for cf_opt in W Wall \
1163                 Wbad-function-cast \
1164                 Wcast-align \
1165                 Wcast-qual \
1166                 Wdeclaration-after-statement \
1167                 Wextra \
1168                 Winline \
1169                 Wmissing-declarations \
1170                 Wmissing-prototypes \
1171                 Wnested-externs \
1172                 Wpointer-arith \
1173                 Wshadow \
1174                 Wstrict-prototypes \
1175                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1176         do
1177                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1178                 if AC_TRY_EVAL(ac_compile); then
1179                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1180                         case $cf_opt in
1181                         (Wcast-qual)
1182                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1183                                 ;;
1184                         (Winline)
1185                                 case $GCC_VERSION in
1186                                 ([[34]].*)
1187                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1188                                         continue;;
1189                                 esac
1190                                 ;;
1191                         (Wpointer-arith)
1192                                 case $GCC_VERSION in
1193                                 ([[12]].*)
1194                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1195                                         continue;;
1196                                 esac
1197                                 ;;
1198                         esac
1199                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1200                 fi
1201         done
1202         CFLAGS="$cf_save_CFLAGS"
1203 fi
1204 rm -rf conftest*
1205
1206 AC_SUBST(EXTRA_CFLAGS)
1207 ])dnl
1208 dnl ---------------------------------------------------------------------------
1209 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1210 dnl -----------------
1211 AC_DEFUN([CF_GNATPREP_OPT_T],[
1212 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1213 cf_cv_gnatprep_opt_t=no
1214 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1215 ])
1216 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1217 AC_SUBST(GNATPREP_OPTS)
1218 ])dnl
1219 dnl ---------------------------------------------------------------------------
1220 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1221 dnl ----------------
1222 AC_DEFUN([CF_GNAT_GENERICS],
1223 [
1224 AC_REQUIRE([CF_GNAT_VERSION])
1225
1226 AC_MSG_CHECKING(if GNAT supports generics)
1227 case $cf_gnat_version in
1228 (3.[[1-9]]*|[[4-9]].*)
1229         cf_gnat_generics=yes
1230         ;;
1231 (*)
1232         cf_gnat_generics=no
1233         ;;
1234 esac
1235 AC_MSG_RESULT($cf_gnat_generics)
1236
1237 if test "$cf_gnat_generics" = yes
1238 then
1239         cf_compile_generics=generics
1240         cf_generic_objects="\${GENOBJS}"
1241 else
1242         cf_compile_generics=
1243         cf_generic_objects=
1244 fi
1245
1246 AC_SUBST(cf_compile_generics)
1247 AC_SUBST(cf_generic_objects)
1248 ])dnl
1249 dnl ---------------------------------------------------------------------------
1250 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
1251 dnl ----------------
1252 dnl GNAT projects are configured with ".gpr" project files.
1253 dnl GNAT libraries are a further development, using the project feature.
1254 AC_DEFUN([CF_GNAT_PROJECTS],
1255 [
1256 AC_REQUIRE([CF_GNAT_VERSION])
1257 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1258
1259 cf_gnat_libraries=no
1260 cf_gnat_projects=no
1261
1262 if test "$enable_gnat_projects" != no ; then
1263 AC_MSG_CHECKING(if GNAT supports project files)
1264 case $cf_gnat_version in
1265 (3.[[0-9]]*)
1266         ;;
1267 (*)
1268         case $cf_cv_system_name in
1269         (cygwin*|msys*)
1270                 ;;
1271         (*)
1272                 mkdir conftest.src conftest.bin conftest.lib
1273                 cd conftest.src
1274                 rm -rf conftest* *~conftest*
1275                 cat >>library.gpr <<CF_EOF
1276 project Library is
1277   Kind := External ("LIB_KIND");
1278   for Library_Name use "ConfTest";
1279   for Object_Dir use ".";
1280   for Library_ALI_Dir use External("LIBRARY_DIR");
1281   for Library_Version use External ("SONAME");
1282   for Library_Kind use Kind;
1283   for Library_Dir use External("BUILD_DIR");
1284   Source_Dir := External ("SOURCE_DIR");
1285   for Source_Dirs use (Source_Dir);
1286 end Library;
1287 CF_EOF
1288                 cat >>confpackage.ads <<CF_EOF
1289 package ConfPackage is
1290    procedure conftest;
1291 end ConfPackage;
1292 CF_EOF
1293                 cat >>confpackage.adb <<CF_EOF
1294 with Text_IO;
1295 package body ConfPackage is
1296    procedure conftest is
1297    begin
1298       Text_IO.Put ("Hello World");
1299       Text_IO.New_Line;
1300    end conftest;
1301 end ConfPackage;
1302 CF_EOF
1303                 if ( $cf_ada_make $ADAFLAGS \
1304                                 -Plibrary.gpr \
1305                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1306                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1307                                 -XSOURCE_DIR=`pwd` \
1308                                 -XSONAME=libConfTest.so.1 \
1309                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1310                         cf_gnat_projects=yes
1311                 fi
1312                 cd ..
1313                 if test -f conftest.lib/confpackage.ali
1314                 then
1315                         cf_gnat_libraries=yes
1316                 fi
1317                 rm -rf conftest* *~conftest*
1318                 ;;
1319         esac
1320         ;;
1321 esac
1322 AC_MSG_RESULT($cf_gnat_projects)
1323 fi # enable_gnat_projects
1324
1325 if test $cf_gnat_projects = yes
1326 then
1327         AC_MSG_CHECKING(if GNAT supports libraries)
1328         AC_MSG_RESULT($cf_gnat_libraries)
1329 fi
1330
1331 if test "$cf_gnat_projects" = yes
1332 then
1333         USE_OLD_MAKERULES="#"
1334         USE_GNAT_PROJECTS=""
1335 else
1336         USE_OLD_MAKERULES=""
1337         USE_GNAT_PROJECTS="#"
1338 fi
1339
1340 if test "$cf_gnat_libraries" = yes
1341 then
1342         USE_GNAT_LIBRARIES=""
1343 else
1344         USE_GNAT_LIBRARIES="#"
1345 fi
1346
1347 AC_SUBST(USE_OLD_MAKERULES)
1348 AC_SUBST(USE_GNAT_PROJECTS)
1349 AC_SUBST(USE_GNAT_LIBRARIES)
1350 ])dnl
1351 dnl ---------------------------------------------------------------------------
1352 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1353 dnl --------------
1354 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1355 dnl is noted that gnat may compile a tasking unit even for configurations which
1356 dnl fail at runtime.
1357 AC_DEFUN([CF_GNAT_SIGINT],[
1358 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1359 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1360
1361 package ConfTest is
1362
1363    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1364    pragma Unreserve_All_Interrupts;
1365    pragma Warnings (On);
1366
1367    protected Process is
1368       procedure Stop;
1369       function Continue return Boolean;
1370       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1371    private
1372       Done : Boolean := False;
1373    end Process;
1374
1375 end ConfTest;],
1376 [package body ConfTest is
1377    protected body Process is
1378       procedure Stop is
1379       begin
1380          Done := True;
1381       end Stop;
1382       function Continue return Boolean is
1383       begin
1384          return not Done;
1385       end Continue;
1386    end Process;
1387 end ConfTest;],
1388         [cf_cv_gnat_sigint=yes],
1389         [cf_cv_gnat_sigint=no])])
1390
1391 if test $cf_cv_gnat_sigint = yes ; then
1392         USE_GNAT_SIGINT=""
1393 else
1394         USE_GNAT_SIGINT="#"
1395 fi
1396 AC_SUBST(USE_GNAT_SIGINT)
1397 ])dnl
1398 dnl ---------------------------------------------------------------------------
1399 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1400 dnl ----------------
1401 dnl Verify that a test program compiles/links with GNAT.
1402 dnl $cf_ada_make is set to the program that compiles/links
1403 dnl $ADAFLAGS may be set to the GNAT flags.
1404 dnl
1405 dnl $1 is the text of the spec
1406 dnl $2 is the text of the body
1407 dnl $3 is the shell command to execute if successful
1408 dnl $4 is the shell command to execute if not successful
1409 AC_DEFUN([CF_GNAT_TRY_LINK],
1410 [
1411 rm -rf conftest* *~conftest*
1412 cat >>conftest.ads <<CF_EOF
1413 $1
1414 CF_EOF
1415 cat >>conftest.adb <<CF_EOF
1416 $2
1417 CF_EOF
1418 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1419 ifelse($3,,      :,[      $3])
1420 ifelse($4,,,[else
1421    $4])
1422 fi
1423 rm -rf conftest* *~conftest*
1424 ])dnl
1425 dnl ---------------------------------------------------------------------------
1426 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1427 dnl ---------------
1428 dnl Verify that a test program compiles and runs with GNAT
1429 dnl $cf_ada_make is set to the program that compiles/links
1430 dnl $ADAFLAGS may be set to the GNAT flags.
1431 dnl
1432 dnl $1 is the text of the spec
1433 dnl $2 is the text of the body
1434 dnl $3 is the shell command to execute if successful
1435 dnl $4 is the shell command to execute if not successful
1436 AC_DEFUN([CF_GNAT_TRY_RUN],
1437 [
1438 rm -rf conftest* *~conftest*
1439 cat >>conftest.ads <<CF_EOF
1440 $1
1441 CF_EOF
1442 cat >>conftest.adb <<CF_EOF
1443 $2
1444 CF_EOF
1445 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1446    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1447 ifelse($3,,      :,[      $3])
1448 ifelse($4,,,[   else
1449       $4])
1450    fi
1451 ifelse($4,,,[else
1452    $4])
1453 fi
1454 rm -rf conftest* *~conftest*
1455 ])dnl
1456 dnl ---------------------------------------------------------------------------
1457 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1458 dnl ---------------
1459 dnl Verify version of GNAT.
1460 AC_DEFUN([CF_GNAT_VERSION],
1461 [
1462 AC_MSG_CHECKING(for gnat version)
1463 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1464         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1465         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1466 AC_MSG_RESULT($cf_gnat_version)
1467
1468 case $cf_gnat_version in
1469 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1470         cf_cv_prog_gnat_correct=yes
1471         ;;
1472 (*)
1473         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1474         cf_cv_prog_gnat_correct=no
1475         ;;
1476 esac
1477 ])
1478 dnl ---------------------------------------------------------------------------
1479 dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37
1480 dnl -------------
1481 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1482 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1483 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1484 dnl since it is interwoven with GNU extensions.
1485 dnl
1486 dnl Well, yes we could work around it...
1487 AC_DEFUN([CF_GNU_SOURCE],
1488 [
1489 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1490 AC_TRY_COMPILE([#include <sys/types.h>],[
1491 #ifndef _XOPEN_SOURCE
1492 make an error
1493 #endif],
1494         [cf_cv_gnu_source=no],
1495         [cf_save="$CPPFLAGS"
1496          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497          AC_TRY_COMPILE([#include <sys/types.h>],[
1498 #ifdef _XOPEN_SOURCE
1499 make an error
1500 #endif],
1501         [cf_cv_gnu_source=no],
1502         [cf_cv_gnu_source=yes])
1503         CPPFLAGS="$cf_save"
1504         ])
1505 ])
1506
1507 if test "$cf_cv_gnu_source" = yes
1508 then
1509 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1510 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1511         AC_TRY_COMPILE([#include <sys/types.h>],[
1512 #ifdef _DEFAULT_SOURCE
1513 make an error
1514 #endif],
1515                 [cf_cv_default_source=no],
1516                 [cf_cv_default_source=yes])
1517         ])
1518 test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
1519 fi
1520 ])dnl
1521 dnl ---------------------------------------------------------------------------
1522 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1523 dnl --------------
1524 dnl Construct a search-list of directories for a nonstandard header-file
1525 dnl
1526 dnl Parameters
1527 dnl     $1 = the variable to return as result
1528 dnl     $2 = the package name
1529 AC_DEFUN([CF_HEADER_PATH],
1530 [
1531 $1=
1532
1533 # collect the current set of include-directories from compiler flags
1534 cf_header_path_list=""
1535 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1536         for cf_header_path in $CPPFLAGS $CFLAGS
1537         do
1538                 case $cf_header_path in
1539                 (-I*)
1540                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1541                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1542                         cf_header_path_list="$cf_header_path_list [$]$1"
1543                         ;;
1544                 esac
1545         done
1546 fi
1547
1548 # add the variations for the package we are looking for
1549 CF_SUBDIR_PATH($1,$2,include)
1550
1551 test "$includedir" != NONE && \
1552 test "$includedir" != "/usr/include" && \
1553 test -d "$includedir" && {
1554         test -d $includedir &&    $1="[$]$1 $includedir"
1555         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1556 }
1557
1558 test "$oldincludedir" != NONE && \
1559 test "$oldincludedir" != "/usr/include" && \
1560 test -d "$oldincludedir" && {
1561         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1562         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1563 }
1564
1565 $1="[$]$1 $cf_header_path_list"
1566 ])dnl
1567 dnl ---------------------------------------------------------------------------
1568 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1569 dnl ---------------
1570 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1571 AC_DEFUN([CF_HELP_MESSAGE],
1572 [AC_DIVERT_HELP([$1])dnl
1573 ])dnl
1574 dnl ---------------------------------------------------------------------------
1575 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1576 dnl ---------------
1577 dnl Construct the list of include-options according to whether we're building
1578 dnl in the source directory or using '--srcdir=DIR' option.
1579 AC_DEFUN([CF_INCLUDE_DIRS],
1580 [
1581 if test "$srcdir" != "."; then
1582         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1583 fi
1584 CPPFLAGS="-I../include $CPPFLAGS"
1585 if test "$srcdir" != "."; then
1586         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1587 fi
1588 CPPFLAGS="-I. $CPPFLAGS"
1589 AC_SUBST(CPPFLAGS)
1590 ])dnl
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1593 dnl -----------------
1594 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1595 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1596 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1597 dnl
1598 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1599 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1600 dnl the wrappers for gcc and g++ warnings.
1601 dnl
1602 dnl $1 = GCC (default) or GXX
1603 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1604 dnl $3 = CFLAGS (default) or CXXFLAGS
1605 AC_DEFUN([CF_INTEL_COMPILER],[
1606 AC_REQUIRE([AC_CANONICAL_HOST])
1607 ifelse([$2],,INTEL_COMPILER,[$2])=no
1608
1609 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1610         case $host_os in
1611         (linux*|gnu*)
1612                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1613                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1614                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1615                 AC_TRY_COMPILE([],[
1616 #ifdef __INTEL_COMPILER
1617 #else
1618 make an error
1619 #endif
1620 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1621 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1622 ],[])
1623                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1624                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1625                 ;;
1626         esac
1627 fi
1628 ])dnl
1629 dnl ---------------------------------------------------------------------------
1630 dnl CF_LARGEFILE version: 10 updated: 2017/01/21 11:06:25
1631 dnl ------------
1632 dnl Add checks for large file support.
1633 AC_DEFUN([CF_LARGEFILE],[
1634 ifdef([AC_FUNC_FSEEKO],[
1635         AC_SYS_LARGEFILE
1636         if test "$enable_largefile" != no ; then
1637         AC_FUNC_FSEEKO
1638
1639         # Normally we would collect these definitions in the config.h,
1640         # but (like _XOPEN_SOURCE), some environments rely on having these
1641         # defined before any of the system headers are included.  Another
1642         # case comes up with C++, e.g., on AIX the compiler compiles the
1643         # header files by themselves before looking at the body files it is
1644         # told to compile.  For ncurses, those header files do not include
1645         # the config.h
1646         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1647         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1648         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1649
1650         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1651                 AC_TRY_COMPILE([
1652 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1653 #include <sys/types.h>
1654 #include <dirent.h>
1655                 ],[
1656                 /* if transitional largefile support is setup, this is true */
1657                 extern struct dirent64 * readdir(DIR *);
1658                 struct dirent64 *x = readdir((DIR *)0);
1659                 struct dirent *y = readdir((DIR *)0);
1660                 int z = x - y;
1661                 ],
1662                 [cf_cv_struct_dirent64=yes],
1663                 [cf_cv_struct_dirent64=no])
1664         ])
1665         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1666         fi
1667 ])
1668 ])
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
1671 dnl ---------------
1672 dnl For the given system and compiler, find the compiler flags to pass to the
1673 dnl loader to use the "rpath" feature.
1674 AC_DEFUN([CF_LD_RPATH_OPT],
1675 [
1676 AC_REQUIRE([CF_CHECK_CACHE])
1677
1678 LD_RPATH_OPT=
1679 AC_MSG_CHECKING(for an rpath option)
1680 case $cf_cv_system_name in
1681 (irix*)
1682         if test "$GCC" = yes; then
1683                 LD_RPATH_OPT="-Wl,-rpath,"
1684         else
1685                 LD_RPATH_OPT="-rpath "
1686         fi
1687         ;;
1688 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1689         LD_RPATH_OPT="-Wl,-rpath,"
1690         ;;
1691 (openbsd[[2-9]].*|mirbsd*)
1692         LD_RPATH_OPT="-Wl,-rpath,"
1693         ;;
1694 (dragonfly*)
1695         LD_RPATH_OPT="-rpath "
1696         ;;
1697 (netbsd*)
1698         LD_RPATH_OPT="-Wl,-rpath,"
1699         ;;
1700 (osf*|mls+*)
1701         LD_RPATH_OPT="-rpath "
1702         ;;
1703 (solaris2*)
1704         LD_RPATH_OPT="-R"
1705         ;;
1706 (*)
1707         ;;
1708 esac
1709 AC_MSG_RESULT($LD_RPATH_OPT)
1710
1711 case "x$LD_RPATH_OPT" in
1712 (x-R*)
1713         AC_MSG_CHECKING(if we need a space after rpath option)
1714         cf_save_LIBS="$LIBS"
1715         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1716         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1717         LIBS="$cf_save_LIBS"
1718         AC_MSG_RESULT($cf_rpath_space)
1719         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1720         ;;
1721 esac
1722 ])dnl
1723 dnl ---------------------------------------------------------------------------
1724 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1725 dnl ---------------
1726 dnl Construct a search-list of directories for a nonstandard library-file
1727 dnl
1728 dnl Parameters
1729 dnl     $1 = the variable to return as result
1730 dnl     $2 = the package name
1731 AC_DEFUN([CF_LIBRARY_PATH],
1732 [
1733 $1=
1734 cf_library_path_list=""
1735 if test -n "${LDFLAGS}${LIBS}" ; then
1736         for cf_library_path in $LDFLAGS $LIBS
1737         do
1738                 case $cf_library_path in
1739                 (-L*)
1740                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1741                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1742                         cf_library_path_list="$cf_library_path_list [$]$1"
1743                         ;;
1744                 esac
1745         done
1746 fi
1747
1748 CF_SUBDIR_PATH($1,$2,lib)
1749
1750 $1="$cf_library_path_list [$]$1"
1751 ])dnl
1752 dnl ---------------------------------------------------------------------------
1753 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1754 dnl -------------
1755 dnl Compute the library-prefix for the given host system
1756 dnl $1 = variable to set
1757 define([CF_LIB_PREFIX],
1758 [
1759         case $cf_cv_system_name in
1760         (OS/2*|os2*)
1761                 if test "$DFT_LWR_MODEL" = libtool; then
1762                         LIB_PREFIX='lib'
1763                 else
1764                         LIB_PREFIX=''
1765                 fi
1766                 ;;
1767         (*)     LIB_PREFIX='lib'
1768                 ;;
1769         esac
1770 ifelse($1,,,[$1=$LIB_PREFIX])
1771         AC_SUBST(LIB_PREFIX)
1772 ])dnl
1773 dnl ---------------------------------------------------------------------------
1774 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1775 dnl -------------
1776 dnl Compute the library file-suffix from the given model name
1777 dnl $1 = model name
1778 dnl $2 = variable to set (the nominal library suffix)
1779 dnl $3 = dependency variable to set (actual filename)
1780 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1781 AC_DEFUN([CF_LIB_SUFFIX],
1782 [
1783         case X$1 in
1784         (Xlibtool)
1785                 $2='.la'
1786                 $3=[$]$2
1787                 ;;
1788         (Xdebug)
1789                 $2='_g.a'
1790                 $3=[$]$2
1791                 ;;
1792         (Xprofile)
1793                 $2='_p.a'
1794                 $3=[$]$2
1795                 ;;
1796         (Xshared)
1797                 case $cf_cv_system_name in
1798                 (aix[[5-7]]*)
1799                         $2='.so'
1800                         $3=[$]$2
1801                         ;;
1802                 (cygwin*|msys*|mingw*)
1803                         $2='.dll'
1804                         $3='.dll.a'
1805                         ;;
1806                 (darwin*)
1807                         $2='.dylib'
1808                         $3=[$]$2
1809                         ;;
1810                 (hpux*)
1811                         case $target in
1812                         (ia64*)
1813                                 $2='.so'
1814                                 $3=[$]$2
1815                                 ;;
1816                         (*)
1817                                 $2='.sl'
1818                                 $3=[$]$2
1819                                 ;;
1820                         esac
1821                         ;;
1822                 (*)
1823                         $2='.so'
1824                         $3=[$]$2
1825                         ;;
1826                 esac
1827                 ;;
1828         (*)
1829                 $2='.a'
1830                 $3=[$]$2
1831                 ;;
1832         esac
1833         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1834         then
1835                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1836                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1837         fi
1838 ])dnl
1839 dnl ---------------------------------------------------------------------------
1840 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1841 dnl -----------
1842 dnl Compute the string to append to -library from the given model name
1843 dnl $1 = model name
1844 dnl $2 = variable to set
1845 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1846 AC_DEFUN([CF_LIB_TYPE],
1847 [
1848         case $1 in
1849         (libtool) $2=''   ;;
1850         (normal)  $2=''   ;;
1851         (debug)   $2='_g' ;;
1852         (profile) $2='_p' ;;
1853         (shared)  $2=''   ;;
1854         esac
1855         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1856 ])dnl
1857 dnl ---------------------------------------------------------------------------
1858 dnl CF_LINK_DATAONLY version: 11 updated: 2017/01/21 11:06:25
1859 dnl ----------------
1860 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1861 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1862 dnl have to provide wrappers for global tables to ensure they're linked
1863 dnl properly.
1864 AC_DEFUN([CF_LINK_DATAONLY],
1865 [
1866 AC_MSG_CHECKING([if data-only library module links])
1867 AC_CACHE_VAL(cf_cv_link_dataonly,[
1868         rm -f conftest.a
1869         cat >conftest.$ac_ext <<EOF
1870 #line __oline__ "configure"
1871 int     testdata[[3]] = { 123, 456, 789 };
1872 EOF
1873         if AC_TRY_EVAL(ac_compile) ; then
1874                 mv conftest.o data.o && \
1875                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1876         fi
1877         rm -f conftest.$ac_ext data.o
1878         cat >conftest.$ac_ext <<EOF
1879 #line __oline__ "configure"
1880 int     testfunc()
1881 {
1882 #if defined(NeXT)
1883         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1884 #else
1885         extern int testdata[[3]];
1886         return testdata[[0]] == 123
1887            &&  testdata[[1]] == 456
1888            &&  testdata[[2]] == 789;
1889 #endif
1890 }
1891 EOF
1892         if AC_TRY_EVAL(ac_compile); then
1893                 mv conftest.o func.o && \
1894                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1895         fi
1896         rm -f conftest.$ac_ext func.o
1897         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1898         cf_saveLIBS="$LIBS"
1899         LIBS="conftest.a $LIBS"
1900         AC_TRY_RUN([
1901         int main(void)
1902         {
1903                 extern int testfunc();
1904                 ${cf_cv_main_return:-return} (!testfunc());
1905         }
1906         ],
1907         [cf_cv_link_dataonly=yes],
1908         [cf_cv_link_dataonly=no],
1909         [cf_cv_link_dataonly=unknown])
1910         LIBS="$cf_saveLIBS"
1911         ])
1912 AC_MSG_RESULT($cf_cv_link_dataonly)
1913
1914 if test "$cf_cv_link_dataonly" = no ; then
1915         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1916         BROKEN_LINKER=1
1917 fi
1918
1919 ])dnl
1920 dnl ---------------------------------------------------------------------------
1921 dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
1922 dnl ------------
1923 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1924 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1925 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1926 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1927 AC_DEFUN([CF_MAKEFLAGS],
1928 [
1929 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1930         cf_cv_makeflags=''
1931         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1932         do
1933                 cat >cf_makeflags.tmp <<CF_EOF
1934 SHELL = $SHELL
1935 all :
1936         @ echo '.$cf_option'
1937 CF_EOF
1938                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1939                 case "$cf_result" in
1940                 (.*k|.*kw)
1941                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1942                         case "$cf_result" in
1943                         (.*CC=*)        cf_cv_makeflags=
1944                                 ;;
1945                         (*)     cf_cv_makeflags=$cf_option
1946                                 ;;
1947                         esac
1948                         break
1949                         ;;
1950                 (.-)    ;;
1951                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
1952                         ;;
1953                 esac
1954         done
1955         rm -f cf_makeflags.tmp
1956 ])
1957
1958 AC_SUBST(cf_cv_makeflags)
1959 ])dnl
1960 dnl ---------------------------------------------------------------------------
1961 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1962 dnl ------------
1963 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1964 dnl a monocase filesystem.
1965 AC_DEFUN([CF_MAKE_TAGS],[
1966 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1967
1968 AC_CHECK_PROGS(CTAGS, exctags ctags)
1969 AC_CHECK_PROGS(ETAGS, exetags etags)
1970
1971 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1972
1973 if test "$cf_cv_mixedcase" = yes ; then
1974         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1975 else
1976         MAKE_UPPER_TAGS=no
1977 fi
1978
1979 if test "$MAKE_UPPER_TAGS" = yes ; then
1980         MAKE_UPPER_TAGS=
1981 else
1982         MAKE_UPPER_TAGS="#"
1983 fi
1984
1985 if test "$MAKE_LOWER_TAGS" = yes ; then
1986         MAKE_LOWER_TAGS=
1987 else
1988         MAKE_LOWER_TAGS="#"
1989 fi
1990
1991 AC_SUBST(CTAGS)
1992 AC_SUBST(ETAGS)
1993
1994 AC_SUBST(MAKE_UPPER_TAGS)
1995 AC_SUBST(MAKE_LOWER_TAGS)
1996 ])dnl
1997 dnl ---------------------------------------------------------------------------
1998 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
1999 dnl ----------------------
2000 dnl Check if the file-system supports mixed-case filenames.  If we're able to
2001 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2002 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2003 [
2004 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2005 if test "$cross_compiling" = yes ; then
2006         case $target_alias in
2007         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2008                 cf_cv_mixedcase=no
2009                 ;;
2010         (*)
2011                 cf_cv_mixedcase=yes
2012                 ;;
2013         esac
2014 else
2015         rm -f conftest CONFTEST
2016         echo test >conftest
2017         if test -f CONFTEST ; then
2018                 cf_cv_mixedcase=no
2019         else
2020                 cf_cv_mixedcase=yes
2021         fi
2022         rm -f conftest CONFTEST
2023 fi
2024 ])
2025 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2026 ])dnl
2027 dnl ---------------------------------------------------------------------------
2028 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2029 dnl ----------
2030 dnl Check for a working mkstemp.  This creates two files, checks that they are
2031 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2032 AC_DEFUN([CF_MKSTEMP],[
2033 AC_CHECK_HEADERS( \
2034 unistd.h \
2035 )
2036 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2037 rm -rf conftest*
2038 AC_TRY_RUN([
2039 #include <sys/types.h>
2040 #ifdef HAVE_UNISTD_H
2041 #include <unistd.h>
2042 #endif
2043 #include <stdlib.h>
2044 #include <stdio.h>
2045 #include <string.h>
2046 #include <sys/stat.h>
2047 int main(void)
2048 {
2049         char *tmpl = "conftestXXXXXX";
2050         char name[2][80];
2051         int n;
2052         int result = 0;
2053         int fd;
2054         struct stat sb;
2055
2056         umask(077);
2057         for (n = 0; n < 2; ++n) {
2058                 strcpy(name[n], tmpl);
2059                 if ((fd = mkstemp(name[n])) >= 0) {
2060                         if (!strcmp(name[n], tmpl)
2061                          || stat(name[n], &sb) != 0
2062                          || (sb.st_mode & S_IFMT) != S_IFREG
2063                          || (sb.st_mode & 077) != 0) {
2064                                 result = 1;
2065                         }
2066                         close(fd);
2067                 }
2068         }
2069         if (result == 0
2070          && !strcmp(name[0], name[1]))
2071                 result = 1;
2072         ${cf_cv_main_return:-return}(result);
2073 }
2074 ],[cf_cv_func_mkstemp=yes
2075 ],[cf_cv_func_mkstemp=no
2076 ],[cf_cv_func_mkstemp=maybe])
2077 ])
2078 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2079         AC_CHECK_FUNC(mkstemp)
2080 fi
2081 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2082         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2083 fi
2084 ])dnl
2085 dnl ---------------------------------------------------------------------------
2086 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2087 dnl ----------
2088 dnl Write a debug message to config.log, along with the line number in the
2089 dnl configure script.
2090 AC_DEFUN([CF_MSG_LOG],[
2091 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2092 ])dnl
2093 dnl ---------------------------------------------------------------------------
2094 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2095 dnl ----------------
2096 dnl Configure an ncurses add-on, built outside the ncurses tree.
2097 AC_DEFUN([CF_NCURSES_ADDON],[
2098 AC_REQUIRE([CF_NCURSES_CONFIG])
2099
2100 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2101
2102 AC_MSG_CHECKING(if you want wide-character code)
2103 AC_ARG_ENABLE(widec,
2104         [  --enable-widec          compile with wide-char/UTF-8 code],
2105         [with_widec=$enableval],
2106         [with_widec=no])
2107 AC_MSG_RESULT($with_widec)
2108 if test "$with_widec" = yes ; then
2109         CF_UTF8_LIB
2110         CF_NCURSES_CONFIG(ncursesw)
2111 else
2112         CF_NCURSES_CONFIG(ncurses)
2113 fi
2114
2115 if test "$NCURSES_CONFIG_PKG" != none ; then
2116         cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2117
2118         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2119         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2120         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2121
2122         cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2123         if test -z "$cf_cv_abi_version"
2124         then
2125                 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2126         fi
2127
2128 elif test "$NCURSES_CONFIG" != none ; then
2129
2130         cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2131
2132         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2133         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2134         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2135
2136         # ABI version is not available from headers
2137         cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2138
2139 else
2140
2141         for cf_name in MAJOR MINOR PATCH
2142         do
2143         cat >conftest.$ac_ext <<CF_EOF
2144         #include <${cf_cv_ncurses_header:-curses.h}>
2145         AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2146 CF_EOF
2147                 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2148                 AC_TRY_EVAL(cf_try)
2149                 if test -f conftest.out ; then
2150                         cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2151                         eval NCURSES_$cf_name=\"$cf_result\"
2152                         # cat conftest.$ac_ext
2153                         # cat conftest.out
2154                 fi
2155         done
2156
2157         cf_cv_abi_version=${NCURSES_MAJOR}
2158
2159 fi
2160
2161 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2162
2163 dnl Show the computed version, for logging
2164 cf_cv_timestamp=`date`
2165
2166 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2167
2168 dnl We need these values in the generated headers
2169 AC_SUBST(NCURSES_MAJOR)
2170 AC_SUBST(NCURSES_MINOR)
2171 AC_SUBST(NCURSES_PATCH)
2172
2173 dnl We need these values in the generated makefiles
2174 AC_SUBST(cf_cv_rel_version)
2175 AC_SUBST(cf_cv_abi_version)
2176
2177 dnl FIXME - not needed for Ada95
2178 AC_SUBST(cf_cv_builtin_bool)
2179 AC_SUBST(cf_cv_header_stdbool_h)
2180 AC_SUBST(cf_cv_type_of_bool)dnl
2181
2182 ])
2183 dnl ---------------------------------------------------------------------------
2184 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2185 dnl -------------------
2186 dnl Check if we can compile with ncurses' header file
2187 dnl $1 is the cache variable to set
2188 dnl $2 is the header-file to include
2189 dnl $3 is the root name (ncurses or ncursesw)
2190 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2191         AC_TRY_COMPILE([
2192 ]ifelse($3,ncursesw,[
2193 #define _XOPEN_SOURCE_EXTENDED
2194 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2195 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2196 ])[
2197 #include <$2>],[
2198 #ifdef NCURSES_VERSION
2199 ]ifelse($3,ncursesw,[
2200 #ifndef WACS_BSSB
2201         make an error
2202 #endif
2203 ])[
2204 printf("%s\n", NCURSES_VERSION);
2205 #else
2206 #ifdef __NCURSES_H
2207 printf("old\n");
2208 #else
2209         make an error
2210 #endif
2211 #endif
2212         ]
2213         ,[$1=$2]
2214         ,[$1=no])
2215 ])dnl
2216 dnl ---------------------------------------------------------------------------
2217 dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07
2218 dnl -----------------
2219 dnl Tie together the configure-script macros for ncurses, preferring these in
2220 dnl order:
2221 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2222 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2223 dnl c) just plain libraries
2224 dnl
2225 dnl $1 is the root library name (default: "ncurses")
2226 AC_DEFUN([CF_NCURSES_CONFIG],[
2227 AC_REQUIRE([CF_PKG_CONFIG])
2228 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2229 cf_have_ncuconfig=no
2230
2231 if test "x${PKG_CONFIG:=none}" != xnone; then
2232         AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2233         if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2234                 AC_MSG_RESULT(yes)
2235
2236                 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2237                 cf_have_ncuconfig=unknown
2238
2239                 cf_save_CPPFLAGS="$CPPFLAGS"
2240                 cf_save_LIBS="$LIBS"
2241
2242                 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2243                 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2244
2245                 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2246                         [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2247                         [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2248                                 int main(void)
2249                                 { char *xx = curses_version(); return (xx == 0); }],
2250                                 [cf_have_ncuconfig=yes],
2251                                 [cf_have_ncuconfig=no],
2252                                 [cf_have_ncuconfig=maybe])],
2253                         [cf_have_ncuconfig=no])
2254                 AC_MSG_RESULT($cf_have_ncuconfig)
2255                 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2256                 if test "$cf_have_ncuconfig" != "yes"
2257                 then
2258                         CPPFLAGS="$cf_save_CPPFLAGS"
2259                         LIBS="$cf_save_LIBS"
2260                         NCURSES_CONFIG_PKG=none
2261                 else
2262                         AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2263                         NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2264                 fi
2265
2266         else
2267                 AC_MSG_RESULT(no)
2268                 NCURSES_CONFIG_PKG=none
2269         fi
2270 else
2271         NCURSES_CONFIG_PKG=none
2272 fi
2273
2274 if test "x$cf_have_ncuconfig" = "xno"; then
2275         echo "Looking for ${cf_ncuconfig_root}-config"
2276
2277         CF_ACVERSION_CHECK(2.52,
2278                 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2279                 [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2280
2281         if test "$NCURSES_CONFIG" != none ; then
2282
2283                 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2284                 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2285
2286                 # even with config script, some packages use no-override for curses.h
2287                 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2288
2289                 dnl like CF_NCURSES_CPPFLAGS
2290                 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2291
2292                 dnl like CF_NCURSES_LIBS
2293                 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2294                 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2295
2296                 dnl like CF_NCURSES_VERSION
2297                 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2298
2299         else
2300
2301                 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2302                 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2303
2304         fi
2305 else
2306         NCURSES_CONFIG=none
2307 fi
2308 ])dnl
2309 dnl ---------------------------------------------------------------------------
2310 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2311 dnl -------------------
2312 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2313 dnl the CPPFLAGS variable so we can include its header.
2314 dnl
2315 dnl The header files may be installed as either curses.h, or ncurses.h (would
2316 dnl be obsolete, except that some packagers prefer this name to distinguish it
2317 dnl from a "native" curses implementation).  If not installed for overwrite,
2318 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2319 dnl /usr/include/ncurses), but someone may have installed overwriting the
2320 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2321 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2322 dnl the header.
2323 dnl
2324 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2325 dnl is already in the include-path, don't even bother with this, since we cannot
2326 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2327 dnl
2328 dnl The optional parameter gives the root name of the library, in case it is
2329 dnl not installed as the default curses library.  That is how the
2330 dnl wide-character version of ncurses is installed.
2331 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2332 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2333
2334 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2335 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2336
2337 test -n "$cf_cv_curses_dir" && \
2338 test "$cf_cv_curses_dir" != "no" && { \
2339   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2340 }
2341
2342 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2343         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2344         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2345         for cf_header in $cf_header_list
2346         do
2347                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2348                 test "$cf_cv_ncurses_h" != no && break
2349         done
2350 ])
2351
2352 CF_NCURSES_HEADER
2353 CF_TERM_HEADER
2354
2355 # some applications need this, but should check for NCURSES_VERSION
2356 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2357
2358 CF_NCURSES_VERSION
2359 ])dnl
2360 dnl ---------------------------------------------------------------------------
2361 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2362 dnl -----------------
2363 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2364 dnl variations of ncurses' installs.
2365 dnl
2366 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2367 AC_DEFUN([CF_NCURSES_HEADER],[
2368
2369 if test "$cf_cv_ncurses_h" != no ; then
2370         cf_cv_ncurses_header=$cf_cv_ncurses_h
2371 else
2372
2373 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2374         test -n "$verbose" && echo
2375         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2376         test -n "$verbose" && echo search path $cf_search
2377         cf_save2_CPPFLAGS="$CPPFLAGS"
2378         for cf_incdir in $cf_search
2379         do
2380                 CF_ADD_INCDIR($cf_incdir)
2381                 for cf_header in \
2382                         ncurses.h \
2383                         curses.h
2384                 do
2385                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2386                         if test "$cf_cv_ncurses_h2" != no ; then
2387                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2388                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2389                                 break
2390                         fi
2391                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2392                 done
2393                 CPPFLAGS="$cf_save2_CPPFLAGS"
2394                 test "$cf_cv_ncurses_h2" != no && break
2395         done
2396         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2397         ])
2398
2399         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2400         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2401         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2402                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2403         fi
2404         CF_ADD_INCDIR($cf_1st_incdir)
2405
2406 fi
2407
2408 # Set definitions to allow ifdef'ing for ncurses.h
2409
2410 case $cf_cv_ncurses_header in
2411 (*ncurses.h)
2412         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2413         ;;
2414 esac
2415
2416 case $cf_cv_ncurses_header in
2417 (ncurses/curses.h|ncurses/ncurses.h)
2418         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2419         ;;
2420 (ncursesw/curses.h|ncursesw/ncurses.h)
2421         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2422         ;;
2423 esac
2424
2425 ])dnl
2426 dnl ---------------------------------------------------------------------------
2427 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2428 dnl ---------------
2429 dnl Look for the ncurses library.  This is a little complicated on Linux,
2430 dnl because it may be linked with the gpm (general purpose mouse) library.
2431 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2432 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2433 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2434 dnl and the linker will record a dependency.
2435 dnl
2436 dnl The optional parameter gives the root name of the library, in case it is
2437 dnl not installed as the default curses library.  That is how the
2438 dnl wide-character version of ncurses is installed.
2439 AC_DEFUN([CF_NCURSES_LIBS],
2440 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2441
2442 cf_nculib_root=ifelse($1,,ncurses,$1)
2443         # This works, except for the special case where we find gpm, but
2444         # ncurses is in a nonstandard location via $LIBS, and we really want
2445         # to link gpm.
2446 cf_ncurses_LIBS=""
2447 cf_ncurses_SAVE="$LIBS"
2448 AC_CHECK_LIB(gpm,Gpm_Open,
2449         [AC_CHECK_LIB(gpm,initscr,
2450                 [LIBS="$cf_ncurses_SAVE"],
2451                 [cf_ncurses_LIBS="-lgpm"])])
2452
2453 case $host_os in
2454 (freebsd*)
2455         # This is only necessary if you are linking against an obsolete
2456         # version of ncurses (but it should do no harm, since it's static).
2457         if test "$cf_nculib_root" = ncurses ; then
2458                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2459         fi
2460         ;;
2461 esac
2462
2463 CF_ADD_LIBS($cf_ncurses_LIBS)
2464
2465 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2466 then
2467         CF_ADD_LIBS(-l$cf_nculib_root)
2468 else
2469         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2470                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2471                 [initscr()],
2472                 initscr)
2473 fi
2474
2475 if test -n "$cf_ncurses_LIBS" ; then
2476         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2477         cf_ncurses_SAVE="$LIBS"
2478         for p in $cf_ncurses_LIBS ; do
2479                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2480                 if test "$q" != "$LIBS" ; then
2481                         LIBS="$q"
2482                 fi
2483         done
2484         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2485                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2486                 [AC_MSG_RESULT(yes)],
2487                 [AC_MSG_RESULT(no)
2488                  LIBS="$cf_ncurses_SAVE"])
2489 fi
2490
2491 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2492 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2493 ])dnl
2494 dnl ---------------------------------------------------------------------------
2495 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2496 dnl ------------------
2497 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2498 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2499 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2500 AC_DEFUN([CF_NCURSES_VERSION],
2501 [
2502 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2503 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2504         cf_cv_ncurses_version=no
2505         cf_tempfile=out$$
2506         rm -f $cf_tempfile
2507         AC_TRY_RUN([
2508 #include <${cf_cv_ncurses_header:-curses.h}>
2509 #include <stdio.h>
2510 int main()
2511 {
2512         FILE *fp = fopen("$cf_tempfile", "w");
2513 #ifdef NCURSES_VERSION
2514 # ifdef NCURSES_VERSION_PATCH
2515         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2516 # else
2517         fprintf(fp, "%s\n", NCURSES_VERSION);
2518 # endif
2519 #else
2520 # ifdef __NCURSES_H
2521         fprintf(fp, "old\n");
2522 # else
2523         make an error
2524 # endif
2525 #endif
2526         ${cf_cv_main_return:-return}(0);
2527 }],[
2528         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2529
2530         # This will not work if the preprocessor splits the line after the
2531         # Autoconf token.  The 'unproto' program does that.
2532         cat > conftest.$ac_ext <<EOF
2533 #include <${cf_cv_ncurses_header:-curses.h}>
2534 #undef Autoconf
2535 #ifdef NCURSES_VERSION
2536 Autoconf NCURSES_VERSION
2537 #else
2538 #ifdef __NCURSES_H
2539 Autoconf "old"
2540 #endif
2541 ;
2542 #endif
2543 EOF
2544         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2545         AC_TRY_EVAL(cf_try)
2546         if test -f conftest.out ; then
2547                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2548                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2549                 rm -f conftest.out
2550         fi
2551 ])
2552         rm -f $cf_tempfile
2553 ])
2554 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2555 ])dnl
2556 dnl ---------------------------------------------------------------------------
2557 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2558 dnl -------------
2559 dnl Compute the object-directory name from the given model name
2560 AC_DEFUN([CF_OBJ_SUBDIR],
2561 [
2562         case $1 in
2563         (libtool) $2='obj_lo'  ;;
2564         (normal)  $2='objects' ;;
2565         (debug)   $2='obj_g' ;;
2566         (profile) $2='obj_p' ;;
2567         (shared)
2568                 case $cf_cv_system_name in
2569                 (cygwin|msys)
2570                         $2='objects' ;;
2571                 (*)
2572                         $2='obj_s' ;;
2573                 esac
2574         esac
2575 ])dnl
2576 dnl ---------------------------------------------------------------------------
2577 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2578 dnl ----------
2579 dnl Provide a value for the $PATH and similar separator (or amend the value
2580 dnl as provided in autoconf 2.5x).
2581 AC_DEFUN([CF_PATHSEP],
2582 [
2583         AC_MSG_CHECKING(for PATH separator)
2584         case $cf_cv_system_name in
2585         (os2*)  PATH_SEPARATOR=';'  ;;
2586         (*)     ${PATH_SEPARATOR:=':'}  ;;
2587         esac
2588 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2589         AC_SUBST(PATH_SEPARATOR)
2590         AC_MSG_RESULT($PATH_SEPARATOR)
2591 ])dnl
2592 dnl ---------------------------------------------------------------------------
2593 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2594 dnl --------------
2595 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2596 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2597 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2598 dnl delayed evaluation of those symbols.
2599 AC_DEFUN([CF_PATH_SYNTAX],[
2600 if test "x$prefix" != xNONE; then
2601         cf_path_syntax="$prefix"
2602 else
2603         cf_path_syntax="$ac_default_prefix"
2604 fi
2605
2606 case ".[$]$1" in
2607 (.\[$]\(*\)*|.\'*\'*)
2608         ;;
2609 (..|./*|.\\*)
2610         ;;
2611 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2612         ;;
2613 (.\[$]{*prefix}*|.\[$]{*dir}*)
2614         eval $1="[$]$1"
2615         case ".[$]$1" in
2616         (.NONE/*)
2617                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2618                 ;;
2619         esac
2620         ;;
2621 (.no|.NONE/*)
2622         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2623         ;;
2624 (*)
2625         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2626         ;;
2627 esac
2628 ])dnl
2629 dnl ---------------------------------------------------------------------------
2630 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2631 dnl -------------
2632 dnl Check for the package-config program, unless disabled by command-line.
2633 AC_DEFUN([CF_PKG_CONFIG],
2634 [
2635 AC_MSG_CHECKING(if you want to use pkg-config)
2636 AC_ARG_WITH(pkg-config,
2637         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2638         [cf_pkg_config=$withval],
2639         [cf_pkg_config=yes])
2640 AC_MSG_RESULT($cf_pkg_config)
2641
2642 case $cf_pkg_config in
2643 (no)
2644         PKG_CONFIG=none
2645         ;;
2646 (yes)
2647         CF_ACVERSION_CHECK(2.52,
2648                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2649                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2650         ;;
2651 (*)
2652         PKG_CONFIG=$withval
2653         ;;
2654 esac
2655
2656 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2657 if test "$PKG_CONFIG" != none ; then
2658         CF_PATH_SYNTAX(PKG_CONFIG)
2659 elif test "x$cf_pkg_config" != xno ; then
2660         AC_MSG_WARN(pkg-config is not installed)
2661 fi
2662
2663 AC_SUBST(PKG_CONFIG)
2664 ])dnl
2665 dnl ---------------------------------------------------------------------------
2666 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2667 dnl -----------------
2668 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2669 dnl
2670 dnl     POSIX.1-1990                            _POSIX_SOURCE
2671 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2672 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2673 dnl             Bindings Option
2674 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2675 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2676 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2677 dnl
2678 dnl Parameters:
2679 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2680 AC_DEFUN([CF_POSIX_C_SOURCE],
2681 [
2682 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2683
2684 cf_save_CFLAGS="$CFLAGS"
2685 cf_save_CPPFLAGS="$CPPFLAGS"
2686
2687 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2688 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2689
2690 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2691         CF_MSG_LOG(if the symbol is already defined go no further)
2692         AC_TRY_COMPILE([#include <sys/types.h>],[
2693 #ifndef _POSIX_C_SOURCE
2694 make an error
2695 #endif],
2696         [cf_cv_posix_c_source=no],
2697         [cf_want_posix_source=no
2698          case .$cf_POSIX_C_SOURCE in
2699          (.[[12]]??*)
2700                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2701                 ;;
2702          (.2)
2703                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2704                 cf_want_posix_source=yes
2705                 ;;
2706          (.*)
2707                 cf_want_posix_source=yes
2708                 ;;
2709          esac
2710          if test "$cf_want_posix_source" = yes ; then
2711                 AC_TRY_COMPILE([#include <sys/types.h>],[
2712 #ifdef _POSIX_SOURCE
2713 make an error
2714 #endif],[],
2715                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2716          fi
2717          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2718          CFLAGS="$cf_trim_CFLAGS"
2719          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2720          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2721          AC_TRY_COMPILE([#include <sys/types.h>],[
2722 #ifndef _POSIX_C_SOURCE
2723 make an error
2724 #endif],,
2725          [cf_cv_posix_c_source=no])
2726          CFLAGS="$cf_save_CFLAGS"
2727          CPPFLAGS="$cf_save_CPPFLAGS"
2728         ])
2729 ])
2730
2731 if test "$cf_cv_posix_c_source" != no ; then
2732         CFLAGS="$cf_trim_CFLAGS"
2733         CPPFLAGS="$cf_trim_CPPFLAGS"
2734         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2735 fi
2736
2737 ])dnl
2738 dnl ---------------------------------------------------------------------------
2739 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2740 dnl ----------
2741 dnl Check for archiver "ar".
2742 AC_DEFUN([CF_PROG_AR],[
2743 AC_CHECK_TOOL(AR, ar, ar)
2744 ])
2745 dnl ---------------------------------------------------------------------------
2746 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2747 dnl -----------
2748 dnl Check for awk, ensure that the check found something.
2749 AC_DEFUN([CF_PROG_AWK],
2750 [
2751 AC_PROG_AWK
2752 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2753 ])dnl
2754 dnl ---------------------------------------------------------------------------
2755 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2756 dnl ----------
2757 dnl standard check for CC, plus followup sanity checks
2758 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2759 AC_DEFUN([CF_PROG_CC],[
2760 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2761 CF_GCC_VERSION
2762 CF_ACVERSION_CHECK(2.52,
2763         [AC_PROG_CC_STDC],
2764         [CF_ANSI_CC_REQD])
2765 CF_CC_ENV_FLAGS
2766 ])dnl
2767 dnl ---------------------------------------------------------------------------
2768 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
2769 dnl --------------
2770 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2771 dnl the output file can be renamed, and allows for a shell variable that can
2772 dnl be used later.  The parameter is either CC or CXX.  The result is the
2773 dnl cache variable:
2774 dnl     $cf_cv_prog_CC_c_o
2775 dnl     $cf_cv_prog_CXX_c_o
2776 dnl
2777 dnl $1 = compiler
2778 dnl $2 = compiler options, if any
2779 AC_DEFUN([CF_PROG_CC_C_O],
2780 [AC_REQUIRE([AC_PROG_CC])dnl
2781 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2782 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2783 [
2784 cat > conftest.$ac_ext <<CF_EOF
2785 int main(void)
2786 {
2787         ${cf_cv_main_return:-return}(0);
2788 }
2789 CF_EOF
2790 # We do the test twice because some compilers refuse to overwrite an
2791 # existing .o file with -o, though they will create one.
2792 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2793 if AC_TRY_EVAL(ac_try) &&
2794   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2795 then
2796   eval cf_cv_prog_$1_c_o=yes
2797 else
2798   eval cf_cv_prog_$1_c_o=no
2799 fi
2800 rm -rf conftest*
2801 ])dnl
2802 if test $cf_cv_prog_$1_c_o = yes; then
2803   AC_MSG_RESULT([yes])
2804 else
2805   AC_MSG_RESULT([no])
2806 fi
2807 ])dnl
2808 dnl ---------------------------------------------------------------------------
2809 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2810 dnl -------------
2811 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2812 dnl This macro adds a check to ensure the script found something.
2813 AC_DEFUN([CF_PROG_EGREP],
2814 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2815         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2816                 then ac_cv_prog_egrep='grep -E'
2817                 else ac_cv_prog_egrep='egrep'
2818         fi])
2819         EGREP=$ac_cv_prog_egrep
2820         AC_SUBST([EGREP])
2821         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2822 ])dnl
2823 dnl ---------------------------------------------------------------------------
2824 dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
2825 dnl -----------
2826 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2827 AC_DEFUN([CF_PROG_EXT],
2828 [
2829 AC_REQUIRE([CF_CHECK_CACHE])
2830 case $cf_cv_system_name in
2831 (os2*)
2832         CFLAGS="$CFLAGS -Zmt"
2833         CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2834         CXXFLAGS="$CXXFLAGS -Zmt"
2835         # autoconf's macro sets -Zexe and suffix both, which conflict:w
2836         LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2837         ac_cv_exeext=.exe
2838         ;;
2839 esac
2840
2841 AC_EXEEXT
2842 AC_OBJEXT
2843
2844 PROG_EXT="$EXEEXT"
2845 AC_SUBST(PROG_EXT)
2846 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2847 ])dnl
2848 dnl ---------------------------------------------------------------------------
2849 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
2850 dnl ------------
2851 dnl Check for gnatmake, ensure that it is complete.
2852 AC_DEFUN([CF_PROG_GNAT],[
2853 cf_ada_make=gnatmake
2854 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2855 if test "$ac_cv_prog_gnat_exists" = no; then
2856         cf_ada_make=
2857         cf_cv_prog_gnat_correct=no
2858 else
2859         CF_GNAT_VERSION
2860         AC_CHECK_PROG(M4_exists, m4, yes, no)
2861         if test "$ac_cv_prog_M4_exists" = no; then
2862                 cf_cv_prog_gnat_correct=no
2863                 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2864         fi
2865         if test "$cf_cv_prog_gnat_correct" = yes; then
2866                 AC_MSG_CHECKING(if GNAT works)
2867                 CF_GNAT_TRY_RUN([procedure conftest;],
2868 [with Text_IO;
2869 with GNAT.OS_Lib;
2870 procedure conftest is
2871 begin
2872    Text_IO.Put ("Hello World");
2873    Text_IO.New_Line;
2874    GNAT.OS_Lib.OS_Exit (0);
2875 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2876                 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2877         fi
2878 fi
2879
2880 AC_SUBST(cf_ada_make)
2881 ])dnl
2882 dnl ---------------------------------------------------------------------------
2883 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2884 dnl ------------
2885 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2886 dnl option if it is supported.
2887 AC_DEFUN([CF_PROG_LN_S],[
2888 AC_PROG_LN_S
2889 AC_MSG_CHECKING(if $LN_S -f options work)
2890
2891 rm -f conf$$.src conf$$dst
2892 echo >conf$$.dst
2893 echo first >conf$$.src
2894 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2895         cf_prog_ln_sf=yes
2896 else
2897         cf_prog_ln_sf=no
2898 fi
2899 rm -f conf$$.dst conf$$src
2900 AC_MSG_RESULT($cf_prog_ln_sf)
2901
2902 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2903 ])dnl
2904 dnl ---------------------------------------------------------------------------
2905 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2906 dnl ----------------
2907 dnl Remove all -U and -D options that refer to the given symbol from a list
2908 dnl of C compiler options.  This works around the problem that not all
2909 dnl compilers process -U and -D options from left-to-right, so a -U option
2910 dnl cannot be used to cancel the effect of a preceding -D option.
2911 dnl
2912 dnl $1 = target (which could be the same as the source variable)
2913 dnl $2 = source (including '$')
2914 dnl $3 = symbol to remove
2915 define([CF_REMOVE_DEFINE],
2916 [
2917 $1=`echo "$2" | \
2918         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2919                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2920 ])dnl
2921 dnl ---------------------------------------------------------------------------
2922 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2923 dnl -------------
2924 dnl Remove the given library from the symbol
2925 dnl
2926 dnl $1 = target (which could be the same as the source variable)
2927 dnl $2 = source (including '$')
2928 dnl $3 = library to remove
2929 define([CF_REMOVE_LIB],
2930 [
2931 # remove $3 library from $2
2932 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2933 ])dnl
2934 dnl ---------------------------------------------------------------------------
2935 dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
2936 dnl --------------
2937 dnl --------------
2938 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2939 dnl library.
2940 dnl
2941 dnl Notes:
2942 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2943 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2944 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2945 dnl shared library since that can lead to unexpected results at runtime.
2946 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2947 dnl libraries are compiled in ../../lib
2948 dnl
2949 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2950 dnl to install symbolic links to the rel/abi versions of shared libraries.
2951 dnl
2952 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2953 dnl version when making symbolic links.
2954 dnl
2955 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2956 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2957 dnl (ex: libncurses.so.<ver>).
2958 dnl
2959 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2960 AC_DEFUN([CF_SHARED_OPTS],
2961 [
2962         AC_REQUIRE([CF_LD_RPATH_OPT])
2963         RM_SHARED_OPTS=
2964         LOCAL_LDFLAGS=
2965         LOCAL_LDFLAGS2=
2966         LD_SHARED_OPTS=
2967         INSTALL_LIB="-m 644"
2968         : ${rel_builddir:=.}
2969
2970         shlibdir=$libdir
2971         AC_SUBST(shlibdir)
2972
2973         MAKE_DLLS="#"
2974         AC_SUBST(MAKE_DLLS)
2975
2976         cf_cv_do_symlinks=no
2977         cf_ld_rpath_opt=
2978         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2979
2980         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2981         AC_ARG_WITH(shlib-version,
2982         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2983         [test -z "$withval" && withval=auto
2984         case $withval in
2985         (yes)
2986                 cf_cv_shlib_version=auto
2987                 ;;
2988         (rel|abi|auto)
2989                 cf_cv_shlib_version=$withval
2990                 ;;
2991         (*)
2992                 AC_MSG_RESULT($withval)
2993                 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
2994                 ;;
2995         esac
2996         ],[cf_cv_shlib_version=auto])
2997         AC_MSG_RESULT($cf_cv_shlib_version)
2998
2999         cf_cv_rm_so_locs=no
3000         cf_try_cflags=
3001
3002         # Some less-capable ports of gcc support only -fpic
3003         CC_SHARED_OPTS=
3004         if test "$GCC" = yes
3005         then
3006                 AC_MSG_CHECKING(which $CC option to use)
3007                 cf_save_CFLAGS="$CFLAGS"
3008                 for CC_SHARED_OPTS in -fPIC -fpic ''
3009                 do
3010                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3011                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3012                 done
3013                 AC_MSG_RESULT($CC_SHARED_OPTS)
3014                 CFLAGS="$cf_save_CFLAGS"
3015         fi
3016
3017         cf_cv_shlib_version_infix=no
3018
3019         case $cf_cv_system_name in
3020         (aix4.[3-9]*|aix[[5-7]]*)
3021                 if test "$GCC" = yes; then
3022                         CC_SHARED_OPTS='-Wl,-brtl'
3023                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3024                 else
3025                         CC_SHARED_OPTS='-brtl'
3026                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3027                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3028                 fi
3029                 ;;
3030         (beos*)
3031                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3032                 ;;
3033         (cygwin*)
3034                 CC_SHARED_OPTS=
3035                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3036                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3037                 cf_cv_shlib_version=cygdll
3038                 cf_cv_shlib_version_infix=cygdll
3039                 shlibdir=$bindir
3040                 MAKE_DLLS=
3041                 cat >mk_shared_lib.sh <<-CF_EOF
3042                 #!$SHELL
3043                 SHARED_LIB=\[$]1
3044                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3045                 shift
3046                 cat <<-EOF
3047                 Linking shared library
3048                 ** SHARED_LIB \[$]SHARED_LIB
3049                 ** IMPORT_LIB \[$]IMPORT_LIB
3050 EOF
3051                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3052 CF_EOF
3053                 chmod +x mk_shared_lib.sh
3054                 ;;
3055         (msys*)
3056                 CC_SHARED_OPTS=
3057                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3058                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3059                 cf_cv_shlib_version=msysdll
3060                 cf_cv_shlib_version_infix=msysdll
3061                 shlibdir=$bindir
3062                 MAKE_DLLS=
3063                 cat >mk_shared_lib.sh <<-CF_EOF
3064                 #!$SHELL
3065                 SHARED_LIB=\[$]1
3066                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3067                 shift
3068                 cat <<-EOF
3069                 Linking shared library
3070                 ** SHARED_LIB \[$]SHARED_LIB
3071                 ** IMPORT_LIB \[$]IMPORT_LIB
3072 EOF
3073                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3074 CF_EOF
3075                 chmod +x mk_shared_lib.sh
3076                 ;;
3077         (darwin*)
3078                 cf_try_cflags="no-cpp-precomp"
3079                 CC_SHARED_OPTS="-dynamic"
3080                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3081                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3082                 cf_cv_shlib_version_infix=yes
3083                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3084                         cf_save_LDFLAGS=$LDFLAGS
3085                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3086                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3087                                 LDFLAGS=$cf_save_LDFLAGS])
3088                 if test $cf_cv_ldflags_search_paths_first = yes; then
3089                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3090                 fi
3091                 ;;
3092         (hpux[[7-8]]*)
3093                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3094                 if test "$GCC" != yes; then
3095                         CC_SHARED_OPTS='+Z'
3096                 fi
3097                 MK_SHARED_LIB='${LD} -b -o $[@]'
3098                 INSTALL_LIB="-m 555"
3099                 ;;
3100         (hpux*)
3101                 # (tested with gcc 2.7.2 -- I don't have c89)
3102                 if test "$GCC" = yes; then
3103                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3104                 else
3105                         CC_SHARED_OPTS='+Z'
3106                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3107                 fi
3108                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3109                 # HP-UX shared libraries must be executable, and should be
3110                 # readonly to exploit a quirk in the memory manager.
3111                 INSTALL_LIB="-m 555"
3112                 ;;
3113         (interix*)
3114                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3115                 if test "$cf_cv_shlib_version" = rel; then
3116                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3117                 else
3118                         cf_shared_soname='`basename $@`'
3119                 fi
3120                 CC_SHARED_OPTS=
3121                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3122                 ;;
3123         (irix*)
3124                 if test "$cf_cv_enable_rpath" = yes ; then
3125                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3126                 fi
3127                 # tested with IRIX 5.2 and 'cc'.
3128                 if test "$GCC" != yes; then
3129                         CC_SHARED_OPTS='-KPIC'
3130                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3131                 else
3132                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3133                 fi
3134                 cf_cv_rm_so_locs=yes
3135                 ;;
3136         (linux*|gnu*|k*bsd*-gnu)
3137                 if test "$DFT_LWR_MODEL" = "shared" ; then
3138                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3139                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3140                 fi
3141                 if test "$cf_cv_enable_rpath" = yes ; then
3142                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3143                 fi
3144                 CF_SHARED_SONAME
3145                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3146                 ;;
3147         (mingw*)
3148                 cf_cv_shlib_version=mingw
3149                 cf_cv_shlib_version_infix=mingw
3150                 shlibdir=$bindir
3151                 MAKE_DLLS=
3152                 if test "$DFT_LWR_MODEL" = "shared" ; then
3153                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3154                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3155                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3156                 fi
3157                 CC_SHARED_OPTS=
3158                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3159                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3160                 cat >mk_shared_lib.sh <<-CF_EOF
3161                 #!$SHELL
3162                 SHARED_LIB=\[$]1
3163                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3164                 shift
3165                 cat <<-EOF
3166                 Linking shared library
3167                 ** SHARED_LIB \[$]SHARED_LIB
3168                 ** IMPORT_LIB \[$]IMPORT_LIB
3169 EOF
3170                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3171 CF_EOF
3172                 chmod +x mk_shared_lib.sh
3173                 ;;
3174         (openbsd[[2-9]].*|mirbsd*)
3175                 if test "$DFT_LWR_MODEL" = "shared" ; then
3176                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3177                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3178                 fi
3179                 if test "$cf_cv_enable_rpath" = yes ; then
3180                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3181                 fi
3182                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3183                 CF_SHARED_SONAME
3184                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3185                 ;;
3186         (nto-qnx*|openbsd*|freebsd[[12]].*)
3187                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3188                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3189                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3190                 ;;
3191         (dragonfly*|freebsd*)
3192                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3193                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3194                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3195                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3196                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3197                 fi
3198                 CF_SHARED_SONAME
3199                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3200                 ;;
3201         (netbsd*)
3202                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3203                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3204                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3205                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3206                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3207                         if test "$cf_cv_shlib_version" = auto; then
3208                         if test -f /usr/libexec/ld.elf_so; then
3209                                 cf_cv_shlib_version=abi
3210                         else
3211                                 cf_cv_shlib_version=rel
3212                         fi
3213                         fi
3214                         CF_SHARED_SONAME
3215                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3216                 else
3217                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3218                 fi
3219                 ;;
3220         (osf*|mls+*)
3221                 # tested with OSF/1 V3.2 and 'cc'
3222                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3223                 # link with shared libs).
3224                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3225                 case $host_os in
3226                 (osf4*)
3227                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3228                         ;;
3229                 esac
3230                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3231                 if test "$DFT_LWR_MODEL" = "shared" ; then
3232                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3233                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3234                 fi
3235                 cf_cv_rm_so_locs=yes
3236                 ;;
3237         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
3238                 # tested with osr5.0.5
3239                 if test "$GCC" != yes; then
3240                         CC_SHARED_OPTS='-belf -KPIC'
3241                 fi
3242                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3243                 if test "$cf_cv_enable_rpath" = yes ; then
3244                         # only way is to set LD_RUN_PATH but no switch for it
3245                         RUN_PATH=$libdir
3246                 fi
3247                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3248                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3249                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3250                 ;;
3251         (sunos4*)
3252                 # tested with SunOS 4.1.1 and gcc 2.7.0
3253                 if test "$GCC" != yes; then
3254                         CC_SHARED_OPTS='-KPIC'
3255                 fi
3256                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3257                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3258                 ;;
3259         (solaris2*)
3260                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3261                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3262                 if test "$DFT_LWR_MODEL" = "shared" ; then
3263                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3264                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3265                 fi
3266                 if test "$cf_cv_enable_rpath" = yes ; then
3267                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3268                 fi
3269                 CF_SHARED_SONAME
3270                 if test "$GCC" != yes; then
3271                         cf_save_CFLAGS="$CFLAGS"
3272                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3273                         do
3274                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3275                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3276                         done
3277                         CFLAGS="$cf_save_CFLAGS"
3278                         CC_SHARED_OPTS=$cf_shared_opts
3279                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3280                 else
3281                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3282                 fi
3283                 ;;
3284         (sysv5uw7*|unix_sv*)
3285                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3286                 if test "$GCC" != yes; then
3287                         CC_SHARED_OPTS='-KPIC'
3288                 fi
3289                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3290                 ;;
3291         (*)
3292                 CC_SHARED_OPTS='unknown'
3293                 MK_SHARED_LIB='echo unknown'
3294                 ;;
3295         esac
3296
3297         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3298         case "$cf_cv_shlib_version" in
3299         (rel|abi)
3300                 case "$MK_SHARED_LIB" in
3301                 (*'-o $[@]')
3302                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3303                         ;;
3304                 (*)
3305                         AC_MSG_WARN(ignored --with-shlib-version)
3306                         ;;
3307                 esac
3308                 ;;
3309         esac
3310
3311         if test -n "$cf_try_cflags"
3312         then
3313 cat > conftest.$ac_ext <<EOF
3314 #line __oline__ "${as_me:-configure}"
3315 #include <stdio.h>
3316 int main(int argc, char *argv[[]])
3317 {
3318         printf("hello\n");
3319         return (argv[[argc-1]] == 0) ;
3320 }
3321 EOF
3322                 cf_save_CFLAGS="$CFLAGS"
3323                 for cf_opt in $cf_try_cflags
3324                 do
3325                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3326                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3327                         if AC_TRY_EVAL(ac_compile); then
3328                                 AC_MSG_RESULT(yes)
3329                                 cf_save_CFLAGS="$CFLAGS"
3330                         else
3331                                 AC_MSG_RESULT(no)
3332                         fi
3333                 done
3334                 CFLAGS="$cf_save_CFLAGS"
3335         fi
3336
3337
3338         # RPATH_LIST is a colon-separated list of directories
3339         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3340         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3341
3342         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3343
3344         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3345         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3346
3347         AC_SUBST(CC_SHARED_OPTS)
3348         AC_SUBST(LD_RPATH_OPT)
3349         AC_SUBST(LD_SHARED_OPTS)
3350         AC_SUBST(MK_SHARED_LIB)
3351         AC_SUBST(RM_SHARED_OPTS)
3352
3353         AC_SUBST(LINK_PROGS)
3354         AC_SUBST(LINK_TESTS)
3355
3356         AC_SUBST(EXTRA_LDFLAGS)
3357         AC_SUBST(LOCAL_LDFLAGS)
3358         AC_SUBST(LOCAL_LDFLAGS2)
3359
3360         AC_SUBST(INSTALL_LIB)
3361         AC_SUBST(RPATH_LIST)
3362 ])dnl
3363 dnl ---------------------------------------------------------------------------
3364 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3365 dnl ----------------
3366 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3367 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3368 dnl option.
3369 dnl
3370 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3371 dnl If missing, use "rel".
3372 define([CF_SHARED_SONAME],
3373 [
3374         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3375         if test "$cf_cv_shlib_version" = rel; then
3376                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3377         else
3378                 cf_cv_shared_soname='`basename $[@]`'
3379         fi
3380 ])
3381 dnl ---------------------------------------------------------------------------
3382 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3383 dnl --------------
3384 dnl     Remove "-g" option from the compiler options
3385 AC_DEFUN([CF_STRIP_G_OPT],
3386 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3387 dnl ---------------------------------------------------------------------------
3388 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3389 dnl --------------
3390 dnl Construct a search-list for a nonstandard header/lib-file
3391 dnl     $1 = the variable to return as result
3392 dnl     $2 = the package name
3393 dnl     $3 = the subdirectory, e.g., bin, include or lib
3394 AC_DEFUN([CF_SUBDIR_PATH],
3395 [
3396 $1=
3397
3398 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3399
3400 for cf_subdir_prefix in \
3401         /usr \
3402         /usr/local \
3403         /usr/pkg \
3404         /opt \
3405         /opt/local \
3406         [$]HOME
3407 do
3408         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3409 done
3410 ])dnl
3411 dnl ---------------------------------------------------------------------------
3412 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3413 dnl --------------
3414 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3415 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3416 dnl but some packagers change this, breaking various applications.
3417 AC_DEFUN([CF_TERM_HEADER],[
3418 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3419 case ${cf_cv_ncurses_header} in
3420 (*/ncurses.h|*/ncursesw.h)
3421         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3422         ;;
3423 (*)
3424         cf_term_header=term.h
3425         ;;
3426 esac
3427
3428 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3429 do
3430 AC_TRY_COMPILE([#include <stdio.h>
3431 #include <${cf_cv_ncurses_header:-curses.h}>
3432 #include <$cf_test>
3433 ],[int x = auto_left_margin],[
3434         cf_cv_term_header="$cf_test"],[
3435         cf_cv_term_header=unknown
3436         ])
3437         test "$cf_cv_term_header" != unknown && break
3438 done
3439 ])
3440
3441 # Set definitions to allow ifdef'ing to accommodate subdirectories
3442
3443 case $cf_cv_term_header in
3444 (*term.h)
3445         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3446         ;;
3447 esac
3448
3449 case $cf_cv_term_header in
3450 (ncurses/term.h)
3451         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3452         ;;
3453 (ncursesw/term.h)
3454         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3455         ;;
3456 esac
3457 ])dnl
3458 dnl ---------------------------------------------------------------------------
3459 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3460 dnl ---------------
3461 dnl Define a top_builddir symbol, for applications that need an absolute path.
3462 AC_DEFUN([CF_TOP_BUILDDIR],
3463 [
3464 top_builddir=ifelse($1,,`pwd`,$1)
3465 AC_SUBST(top_builddir)
3466 ])dnl
3467 dnl ---------------------------------------------------------------------------
3468 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3469 dnl -------------------
3470 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3471 dnl can define it successfully.
3472 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3473 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3474         AC_TRY_COMPILE([
3475 #include <stdlib.h>
3476 #include <string.h>
3477 #include <sys/types.h>
3478 ],[
3479 #ifndef _XOPEN_SOURCE
3480 make an error
3481 #endif],
3482         [cf_cv_xopen_source=no],
3483         [cf_save="$CPPFLAGS"
3484          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3485          AC_TRY_COMPILE([
3486 #include <stdlib.h>
3487 #include <string.h>
3488 #include <sys/types.h>
3489 ],[
3490 #ifdef _XOPEN_SOURCE
3491 make an error
3492 #endif],
3493         [cf_cv_xopen_source=no],
3494         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3495         CPPFLAGS="$cf_save"
3496         ])
3497 ])
3498
3499 if test "$cf_cv_xopen_source" != no ; then
3500         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3501         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3502         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3503         CF_ADD_CFLAGS($cf_temp_xopen_source)
3504 fi
3505 ])
3506 dnl ---------------------------------------------------------------------------
3507 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3508 dnl --------
3509 dnl Make an uppercase version of a variable
3510 dnl $1=uppercase($2)
3511 AC_DEFUN([CF_UPPER],
3512 [
3513 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3514 ])dnl
3515 dnl ---------------------------------------------------------------------------
3516 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3517 dnl -----------
3518 dnl Check for multibyte support, and if not found, utf8 compatibility library
3519 AC_DEFUN([CF_UTF8_LIB],
3520 [
3521 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3522         cf_save_LIBS="$LIBS"
3523         AC_TRY_LINK([
3524 #include <stdlib.h>],[putwc(0,0);],
3525         [cf_cv_utf8_lib=yes],
3526         [CF_FIND_LINKAGE([
3527 #include <libutf8.h>],[putwc(0,0);],utf8,
3528                 [cf_cv_utf8_lib=add-on],
3529                 [cf_cv_utf8_lib=no])
3530 ])])
3531
3532 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3533 # ncurses/ncursesw:
3534 if test "$cf_cv_utf8_lib" = "add-on" ; then
3535         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3536         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3537         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3538         CF_ADD_LIBS($cf_cv_library_file_utf8)
3539 fi
3540 ])dnl
3541 dnl ---------------------------------------------------------------------------
3542 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3543 dnl ----------
3544 dnl Use AC_VERBOSE w/o the warnings
3545 AC_DEFUN([CF_VERBOSE],
3546 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3547 CF_MSG_LOG([$1])
3548 ])dnl
3549 dnl ---------------------------------------------------------------------------
3550 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3551 dnl ---------------
3552 dnl Check for compiler-support for weak symbols.
3553 dnl This works with "recent" gcc.
3554 AC_DEFUN([CF_WEAK_SYMBOLS],[
3555 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3556
3557 AC_TRY_COMPILE([
3558 #include <stdio.h>],
3559 [
3560 #if defined(__GNUC__)
3561 #  if defined __USE_ISOC99
3562 #    define _cat_pragma(exp)    _Pragma(#exp)
3563 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3564 #  else
3565 #    define _weak_pragma(exp)
3566 #  endif
3567 #  define _declare(name)        __extension__ extern __typeof__(name) name
3568 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3569 #endif
3570
3571 weak_symbol(fopen);
3572 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3573 ])
3574 ])dnl
3575 dnl ---------------------------------------------------------------------------
3576 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3577 dnl --------------------
3578 dnl Command-line option to specify the Ada95 compiler.
3579 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3580 AC_MSG_CHECKING(for ada-compiler)
3581 AC_ARG_WITH(ada-compiler,
3582         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3583         [cf_ada_compiler=$withval],
3584         [cf_ada_compiler=gnatmake])
3585 AC_SUBST(cf_ada_compiler)
3586 AC_MSG_RESULT($cf_ada_compiler)
3587 ])dnl
3588 dnl ---------------------------------------------------------------------------
3589 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3590 dnl -------------------
3591 dnl Command-line option to specify where Ada includes will install.
3592 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3593 AC_MSG_CHECKING(for ada-include)
3594 CF_WITH_PATH(ada-include,
3595    [  --with-ada-include=DIR  Ada includes are in DIR],
3596    ADA_INCLUDE,
3597    PREFIX/share/ada/adainclude,
3598    [$]prefix/share/ada/adainclude)
3599 AC_SUBST(ADA_INCLUDE)
3600 AC_MSG_RESULT($ADA_INCLUDE)
3601 ])dnl
3602 dnl ---------------------------------------------------------------------------
3603 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3604 dnl -------------------
3605 dnl Command-line option to specify where Ada objects will install.
3606 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3607 AC_MSG_CHECKING(for ada-objects)
3608 CF_WITH_PATH(ada-objects,
3609    [  --with-ada-objects=DIR  Ada objects are in DIR],
3610    ADA_OBJECTS,
3611    PREFIX/lib/ada/adalib,
3612    [$]prefix/lib/ada/adalib)
3613 AC_SUBST(ADA_OBJECTS)
3614 AC_MSG_RESULT($ADA_OBJECTS)
3615 ])dnl
3616 dnl ---------------------------------------------------------------------------
3617 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3618 dnl ---------------------
3619 dnl Command-line option to specify if an Ada95 shared-library should be built,
3620 dnl and optionally what its soname should be.
3621 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3622 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3623 AC_ARG_WITH(ada-sharedlib,
3624         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3625         [with_ada_sharedlib=$withval],
3626         [with_ada_sharedlib=no])
3627 AC_MSG_RESULT($with_ada_sharedlib)
3628
3629 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3630 MAKE_ADA_SHAREDLIB="#"
3631
3632 if test "x$with_ada_sharedlib" != xno
3633 then
3634         MAKE_ADA_SHAREDLIB=
3635         if test "x$with_ada_sharedlib" != xyes
3636         then
3637                 ADA_SHAREDLIB="$with_ada_sharedlib"
3638         fi
3639 fi
3640
3641 AC_SUBST(ADA_SHAREDLIB)
3642 AC_SUBST(MAKE_ADA_SHAREDLIB)
3643 ])dnl
3644 dnl ---------------------------------------------------------------------------
3645 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3646 dnl ------------------
3647 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3648 dnl libraries.
3649 AC_DEFUN([CF_WITH_CURSES_DIR],[
3650
3651 AC_MSG_CHECKING(for specific curses-directory)
3652 AC_ARG_WITH(curses-dir,
3653         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3654         [cf_cv_curses_dir=$withval],
3655         [cf_cv_curses_dir=no])
3656 AC_MSG_RESULT($cf_cv_curses_dir)
3657
3658 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3659 then
3660         CF_PATH_SYNTAX(withval)
3661         if test -d "$cf_cv_curses_dir"
3662         then
3663                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3664                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3665         fi
3666 fi
3667 ])dnl
3668 dnl ---------------------------------------------------------------------------
3669 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3670 dnl ------------------
3671 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3672 dnl "lib" prefix, e.g., because it used the dll naming convention.
3673 dnl
3674 dnl $1 = variable to set
3675 AC_DEFUN([CF_WITH_LIB_PREFIX],
3676 [
3677 AC_MSG_CHECKING(if you want to have a library-prefix)
3678 AC_ARG_WITH(lib-prefix,
3679         [  --with-lib-prefix       override library-prefix],
3680         [with_lib_prefix=$withval],
3681         [with_lib_prefix=auto])
3682 AC_MSG_RESULT($with_lib_prefix)
3683
3684 if test $with_lib_prefix = auto
3685 then
3686         CF_LIB_PREFIX($1)
3687 elif test $with_lib_prefix = no
3688 then
3689         LIB_PREFIX=
3690 else
3691         LIB_PREFIX=$with_lib_prefix
3692 fi
3693 ])dnl
3694 dnl ---------------------------------------------------------------------------
3695 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3696 dnl ------------
3697 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3698 dnl defaulting to yes/no.
3699 dnl
3700 dnl $1 = option name
3701 dnl $2 = help-text
3702 dnl $3 = environment variable to set
3703 dnl $4 = default value, shown in the help-message, must be a constant
3704 dnl $5 = default value, if it's an expression & cannot be in the help-message
3705 dnl
3706 AC_DEFUN([CF_WITH_PATH],
3707 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3708 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3709 if ifelse([$5],,true,[test -n "$5"]) ; then
3710 CF_PATH_SYNTAX(withval)
3711 fi
3712 eval $3="$withval"
3713 AC_SUBST($3)dnl
3714 ])dnl
3715 dnl ---------------------------------------------------------------------------
3716 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
3717 dnl -------------------------
3718 dnl Allow the choice of the pkg-config library directory to be overridden.
3719 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3720
3721 case $PKG_CONFIG in
3722 (no|none|yes)
3723         AC_MSG_CHECKING(for pkg-config library directory)
3724         ;;
3725 (*)
3726         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3727         ;;
3728 esac
3729
3730 PKG_CONFIG_LIBDIR=no
3731 AC_ARG_WITH(pkg-config-libdir,
3732         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3733         [PKG_CONFIG_LIBDIR=$withval],
3734         [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
3735
3736 case x$PKG_CONFIG_LIBDIR in
3737 (x/*)
3738         ;;
3739 (xyes)
3740         # Look for the library directory using the same prefix as the executable
3741         if test "x$PKG_CONFIG" = xnone
3742         then
3743                 cf_path=$prefix
3744         else
3745                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3746         fi
3747
3748         # If you don't like using the default architecture, you have to specify the
3749         # intended library directory and corresponding compiler/linker options.
3750         #
3751         # This case allows for Debian's 2014-flavor of multiarch, along with the
3752         # most common variations before that point.  Some other variants spell the
3753         # directory differently, e.g., "pkg-config", and put it in unusual places.
3754         # pkg-config has always been poorly standardized, which is ironic...
3755         case x`(arch) 2>/dev/null` in
3756         (*64)
3757                 cf_search_path="\
3758                         $cf_path/lib/*64-linux-gnu \
3759                         $cf_path/share \
3760                         $cf_path/lib64 \
3761                         $cf_path/lib32 \
3762                         $cf_path/lib"
3763                 ;;
3764         (*)
3765                 cf_search_path="\
3766                         $cf_path/lib/*-linux-gnu \
3767                         $cf_path/share \
3768                         $cf_path/lib32 \
3769                         $cf_path/lib \
3770                         $cf_path/libdata"
3771                 ;;
3772         esac
3773
3774         CF_VERBOSE(list...)
3775         for cf_config in $cf_search_path
3776         do
3777                 CF_VERBOSE(checking $cf_config/pkgconfig)
3778                 if test -d $cf_config/pkgconfig
3779                 then
3780                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3781                         AC_MSG_CHECKING(done)
3782                         break
3783                 fi
3784         done
3785         ;;
3786 (*)
3787         ;;
3788 esac
3789
3790 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
3791         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3792 fi
3793
3794 AC_SUBST(PKG_CONFIG_LIBDIR)
3795 ])dnl
3796 dnl ---------------------------------------------------------------------------
3797 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
3798 dnl ---------------
3799 dnl Check for POSIX thread library.
3800 AC_DEFUN([CF_WITH_PTHREAD],
3801 [
3802 AC_MSG_CHECKING(if you want to link with the pthread library)
3803 AC_ARG_WITH(pthread,
3804         [  --with-pthread          use POSIX thread library],
3805         [with_pthread=$withval],
3806         [with_pthread=no])
3807 AC_MSG_RESULT($with_pthread)
3808
3809 if test "$with_pthread" != no ; then
3810         AC_CHECK_HEADER(pthread.h,[
3811         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3812
3813         for cf_lib_pthread in pthread c_r
3814         do
3815             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3816             cf_save_LIBS="$LIBS"
3817             CF_ADD_LIB($cf_lib_pthread)
3818             AC_TRY_LINK([
3819 #include <pthread.h>
3820 ],[
3821                 int rc = pthread_create(0,0,0,0);
3822                 int r2 = pthread_mutexattr_settype(0, 0);
3823 ],[with_pthread=yes],[with_pthread=no])
3824             LIBS="$cf_save_LIBS"
3825             AC_MSG_RESULT($with_pthread)
3826             test "$with_pthread" = yes && break
3827         done
3828
3829         if test "$with_pthread" = yes ; then
3830             CF_ADD_LIB($cf_lib_pthread)
3831             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3832         else
3833             AC_MSG_ERROR(Cannot link with pthread library)
3834         fi
3835         ])
3836 fi
3837 ])
3838 dnl ---------------------------------------------------------------------------
3839 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3840 dnl ---------------
3841 dnl For testing, override the derived host system-type which is used to decide
3842 dnl things such as the linker commands used to build shared libraries.  This is
3843 dnl normally chosen automatically based on the type of system which you are
3844 dnl building on.  We use it for testing the configure script.
3845 dnl
3846 dnl This is different from the --host option: it is used only for testing parts
3847 dnl of the configure script which would not be reachable with --host since that
3848 dnl relies on the build environment being real, rather than mocked up.
3849 AC_DEFUN([CF_WITH_SYSTYPE],[
3850 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3851 AC_ARG_WITH(system-type,
3852         [  --with-system-type=XXX  test: override derived host system-type],
3853 [AC_MSG_WARN(overriding system type to $withval)
3854         cf_cv_system_name=$withval
3855         host_os=$withval
3856 ])
3857 ])dnl
3858 dnl ---------------------------------------------------------------------------
3859 dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42
3860 dnl ---------------
3861 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3862 dnl or adapt to the vendor's definitions to get equivalent functionality,
3863 dnl without losing the common non-POSIX features.
3864 dnl
3865 dnl Parameters:
3866 dnl     $1 is the nominal value for _XOPEN_SOURCE
3867 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3868 AC_DEFUN([CF_XOPEN_SOURCE],[
3869 AC_REQUIRE([AC_CANONICAL_HOST])
3870
3871 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3872 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3873 cf_xopen_source=
3874
3875 case $host_os in
3876 (aix[[4-7]]*)
3877         cf_xopen_source="-D_ALL_SOURCE"
3878         ;;
3879 (msys)
3880         cf_XOPEN_SOURCE=600
3881         ;;
3882 (darwin[[0-8]].*)
3883         cf_xopen_source="-D_APPLE_C_SOURCE"
3884         ;;
3885 (darwin*)
3886         cf_xopen_source="-D_DARWIN_C_SOURCE"
3887         cf_XOPEN_SOURCE=
3888         ;;
3889 (freebsd*|dragonfly*)
3890         # 5.x headers associate
3891         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3892         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3893         cf_POSIX_C_SOURCE=200112L
3894         cf_XOPEN_SOURCE=600
3895         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3896         ;;
3897 (hpux11*)
3898         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3899         ;;
3900 (hpux*)
3901         cf_xopen_source="-D_HPUX_SOURCE"
3902         ;;
3903 (irix[[56]].*)
3904         cf_xopen_source="-D_SGI_SOURCE"
3905         cf_XOPEN_SOURCE=
3906         ;;
3907 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
3908         CF_GNU_SOURCE
3909         ;;
3910 (minix*)
3911         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3912         ;;
3913 (mirbsd*)
3914         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3915         cf_XOPEN_SOURCE=
3916         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3917         ;;
3918 (netbsd*)
3919         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3920         ;;
3921 (openbsd[[4-9]]*)
3922         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3923         cf_xopen_source="-D_BSD_SOURCE"
3924         cf_XOPEN_SOURCE=600
3925         ;;
3926 (openbsd*)
3927         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3928         ;;
3929 (osf[[45]]*)
3930         cf_xopen_source="-D_OSF_SOURCE"
3931         ;;
3932 (nto-qnx*)
3933         cf_xopen_source="-D_QNX_SOURCE"
3934         ;;
3935 (sco*)
3936         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3937         ;;
3938 (solaris2.*)
3939         cf_xopen_source="-D__EXTENSIONS__"
3940         cf_cv_xopen_source=broken
3941         ;;
3942 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3943         cf_XOPEN_SOURCE=
3944         cf_POSIX_C_SOURCE=
3945         ;;
3946 (*)
3947         CF_TRY_XOPEN_SOURCE
3948         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3949         ;;
3950 esac
3951
3952 if test -n "$cf_xopen_source" ; then
3953         CF_ADD_CFLAGS($cf_xopen_source,true)
3954 fi
3955
3956 dnl In anything but the default case, we may have system-specific setting
3957 dnl which is still not guaranteed to provide all of the entrypoints that
3958 dnl _XOPEN_SOURCE would yield.
3959 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3960         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3961         AC_TRY_COMPILE([#include <stdlib.h>],[
3962 #ifndef _XOPEN_SOURCE
3963 make an error
3964 #endif],
3965         [cf_XOPEN_SOURCE_set=yes],
3966         [cf_XOPEN_SOURCE_set=no])
3967         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3968         if test $cf_XOPEN_SOURCE_set = yes
3969         then
3970                 AC_TRY_COMPILE([#include <stdlib.h>],[
3971 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3972 make an error
3973 #endif],
3974                 [cf_XOPEN_SOURCE_set_ok=yes],
3975                 [cf_XOPEN_SOURCE_set_ok=no])
3976                 if test $cf_XOPEN_SOURCE_set_ok = no
3977                 then
3978                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3979                 fi
3980         else
3981                 CF_TRY_XOPEN_SOURCE
3982         fi
3983 fi
3984 ])