aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 1998-2011,2012 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 1995-on
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.601 2012/01/14 17:33:33 tom Exp $
  32 dnl Macros used in NCURSES 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 AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
  43 dnl -------------------
  44 dnl Inserted as requested by gettext 0.10.40
  45 dnl File from /usr/share/aclocal
  46 dnl codeset.m4
  47 dnl ====================
  48 dnl serial AM1
  49 dnl
  50 dnl From Bruno Haible.
  51 AC_DEFUN([AM_LANGINFO_CODESET],
  52 [
  53   AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
  54     [AC_TRY_LINK([#include <langinfo.h>],
  55       [char* cs = nl_langinfo(CODESET);],
  56       am_cv_langinfo_codeset=yes,
  57       am_cv_langinfo_codeset=no)
  58     ])
  59   if test $am_cv_langinfo_codeset = yes; then
  60     AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
  61       [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  62   fi
  63 ])dnl
  64 dnl ---------------------------------------------------------------------------
  65 dnl CF_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
  66 dnl ------------------
  67 dnl Conditionally generate script according to whether we're using a given autoconf.
  68 dnl
  69 dnl $1 = version to compare against
  70 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  71 dnl $3 = code to use if AC_ACVERSION is older than $1.
  72 define(CF_ACVERSION_CHECK,
  73 [
  74 ifdef([m4_version_compare],
  75 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  76 [CF_ACVERSION_COMPARE(
  77 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  78 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  79 dnl ---------------------------------------------------------------------------
  80 dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50
  81 dnl --------------------
  82 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  83 dnl                      MAJOR2, MINOR2, TERNARY2,
  84 dnl                      PRINTABLE2, not FOUND, FOUND)
  85 define(CF_ACVERSION_COMPARE,
  86 [ifelse(builtin([eval], [$2 < $5]), 1,
  87 [ifelse([$8], , ,[$8])],
  88 [ifelse([$9], , ,[$9])])])dnl
  89 dnl ---------------------------------------------------------------------------
  90 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
  91 dnl -------------------
  92 dnl Construct the list of include-options for the C programs in the Ada95
  93 dnl binding.
  94 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  95 [
  96 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  97 if test "$srcdir" != "."; then
  98         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
  99 fi
 100 if test "$GCC" != yes; then
 101         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 102 elif test "$includedir" != "/usr/include"; then
 103         if test "$includedir" = '${prefix}/include' ; then
 104                 if test $prefix != /usr ; then
 105                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 106                 fi
 107         else
 108                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 109         fi
 110 fi
 111 AC_SUBST(ACPPFLAGS)
 112 ])dnl
 113 dnl ---------------------------------------------------------------------------
 114 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
 115 dnl ---------------
 116 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
 117 AC_DEFUN([CF_ADD_ADAFLAGS],[
 118         ADAFLAGS="$ADAFLAGS $1"
 119         AC_SUBST(ADAFLAGS)
 120 ])dnl
 121 dnl ---------------------------------------------------------------------------
 122 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
 123 dnl -------------
 124 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 125 dnl The second parameter if given makes this macro verbose.
 126 dnl
 127 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 128 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 129 dnl confused by the quotes (which require backslashes to keep them usable).
 130 AC_DEFUN([CF_ADD_CFLAGS],
 131 [
 132 cf_fix_cppflags=no
 133 cf_new_cflags=
 134 cf_new_cppflags=
 135 cf_new_extra_cppflags=
 136
 137 for cf_add_cflags in $1
 138 do
 139 case $cf_fix_cppflags in
 140 no)
 141         case $cf_add_cflags in #(vi
 142         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
 143                 case $cf_add_cflags in
 144                 -D*)
 145                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 146
 147                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 148                                 && test -z "${cf_tst_cflags}" \
 149                                 && cf_fix_cppflags=yes
 150
 151                         if test $cf_fix_cppflags = yes ; then
 152                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 153                                 continue
 154                         elif test "${cf_tst_cflags}" = "\"'" ; then
 155                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 156                                 continue
 157                         fi
 158                         ;;
 159                 esac
 160                 case "$CPPFLAGS" in
 161                 *$cf_add_cflags) #(vi
 162                         ;;
 163                 *) #(vi
 164                         case $cf_add_cflags in #(vi
 165                         -D*)
 166                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 167                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 168                                 ;;
 169                         esac
 170                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 171                         ;;
 172                 esac
 173                 ;;
 174         *)
 175                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 176                 ;;
 177         esac
 178         ;;
 179 yes)
 180         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 181
 182         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 183
 184         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 185                 && test -z "${cf_tst_cflags}" \
 186                 && cf_fix_cppflags=no
 187         ;;
 188 esac
 189 done
 190
 191 if test -n "$cf_new_cflags" ; then
 192         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 193         CFLAGS="$CFLAGS $cf_new_cflags"
 194 fi
 195
 196 if test -n "$cf_new_cppflags" ; then
 197         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 198         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 199 fi
 200
 201 if test -n "$cf_new_extra_cppflags" ; then
 202         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 203         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 204 fi
 205
 206 AC_SUBST(EXTRA_CPPFLAGS)
 207
 208 ])dnl
 209 dnl ---------------------------------------------------------------------------
 210 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
 211 dnl -------------
 212 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 213 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 214 dnl but old versions (and some misinstalled ones) need that.  To make things
 215 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 216 dnl the include-path).
 217 AC_DEFUN([CF_ADD_INCDIR],
 218 [
 219 if test -n "$1" ; then
 220   for cf_add_incdir in $1
 221   do
 222         while test $cf_add_incdir != /usr/include
 223         do
 224           if test -d $cf_add_incdir
 225           then
 226                 cf_have_incdir=no
 227                 if test -n "$CFLAGS$CPPFLAGS" ; then
 228                   # a loop is needed to ensure we can add subdirs of existing dirs
 229                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 230                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 231                           cf_have_incdir=yes; break
 232                         fi
 233                   done
 234                 fi
 235
 236                 if test "$cf_have_incdir" = no ; then
 237                   if test "$cf_add_incdir" = /usr/local/include ; then
 238                         if test "$GCC" = yes
 239                         then
 240                           cf_save_CPPFLAGS=$CPPFLAGS
 241                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 242                           AC_TRY_COMPILE([#include <stdio.h>],
 243                                   [printf("Hello")],
 244                                   [],
 245                                   [cf_have_incdir=yes])
 246                           CPPFLAGS=$cf_save_CPPFLAGS
 247                         fi
 248                   fi
 249                 fi
 250
 251                 if test "$cf_have_incdir" = no ; then
 252                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 253                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 254
 255                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 256                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 257                   cf_add_incdir="$cf_top_incdir"
 258                 else
 259                   break
 260                 fi
 261           fi
 262         done
 263   done
 264 fi
 265 ])dnl
 266 dnl ---------------------------------------------------------------------------
 267 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 268 dnl ----------
 269 dnl Add a library, used to enforce consistency.
 270 dnl
 271 dnl $1 = library to add, without the "-l"
 272 dnl $2 = variable to update (default $LIBS)
 273 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 274 dnl ---------------------------------------------------------------------------
 275 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
 276 dnl -------------
 277 dnl     Adds to the library-path
 278 dnl
 279 dnl     Some machines have trouble with multiple -L options.
 280 dnl
 281 dnl $1 is the (list of) directory(s) to add
 282 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 283 dnl
 284 AC_DEFUN([CF_ADD_LIBDIR],
 285 [
 286 if test -n "$1" ; then
 287   for cf_add_libdir in $1
 288   do
 289     if test $cf_add_libdir = /usr/lib ; then
 290       :
 291     elif test -d $cf_add_libdir
 292     then
 293       cf_have_libdir=no
 294       if test -n "$LDFLAGS$LIBS" ; then
 295         # a loop is needed to ensure we can add subdirs of existing dirs
 296         for cf_test_libdir in $LDFLAGS $LIBS ; do
 297           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 298             cf_have_libdir=yes; break
 299           fi
 300         done
 301       fi
 302       if test "$cf_have_libdir" = no ; then
 303         CF_VERBOSE(adding $cf_add_libdir to library-path)
 304         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 305       fi
 306     fi
 307   done
 308 fi
 309 ])dnl
 310 dnl ---------------------------------------------------------------------------
 311 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
 312 dnl -----------
 313 dnl Add one or more libraries, used to enforce consistency.
 314 dnl
 315 dnl $1 = libraries to add, with the "-l", etc.
 316 dnl $2 = variable to update (default $LIBS)
 317 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
 318 dnl ---------------------------------------------------------------------------
 319 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
 320 dnl ------------------
 321 dnl Append to a search-list for a nonstandard header/lib-file
 322 dnl     $1 = the variable to return as result
 323 dnl     $2 = the package name
 324 dnl     $3 = the subdirectory, e.g., bin, include or lib
 325 dnl $4 = the directory under which we will test for subdirectories
 326 dnl $5 = a directory that we do not want $4 to match
 327 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 328 [
 329 test "$4" != "$5" && \
 330 test -d "$4" && \
 331 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
 332         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 333         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 334         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 335         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 336         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 337         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 338 }
 339 ])dnl
 340 dnl ---------------------------------------------------------------------------
 341 dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
 342 dnl ----------------
 343 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
 344 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
 345 AC_DEFUN([CF_ANSI_CC_CHECK],
 346 [
 347 # This should have been defined by AC_PROG_CC
 348 : ${CC:=cc}
 349
 350 # Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 351 # into CC.  This will not help with broken scripts that wrap the compiler with
 352 # options, but eliminates a more common category of user confusion.
 353 AC_MSG_CHECKING(\$CC variable)
 354 case "$CC" in #(vi
 355 *[[\ \  ]]-[[IUD]]*)
 356         AC_MSG_RESULT(broken)
 357         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 358         # humor him...
 359         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 360         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 361         CF_ADD_CFLAGS($cf_flags)
 362         ;;
 363 *)
 364         AC_MSG_RESULT(ok)
 365         ;;
 366 esac
 367
 368 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
 369 cf_cv_ansi_cc=no
 370 cf_save_CFLAGS="$CFLAGS"
 371 cf_save_CPPFLAGS="$CPPFLAGS"
 372 # Don't try gcc -ansi; that turns off useful extensions and
 373 # breaks some systems' header files.
 374 # AIX                   -qlanglvl=ansi
 375 # Ultrix and OSF/1      -std1
 376 # HP-UX                 -Aa -D_HPUX_SOURCE
 377 # SVR4                  -Xc
 378 # UnixWare 1.2          (cannot use -Xc, since ANSI/POSIX clashes)
 379 for cf_arg in "-DCC_HAS_PROTOS" \
 380         "" \
 381         -qlanglvl=ansi \
 382         -std1 \
 383         -Ae \
 384         "-Aa -D_HPUX_SOURCE" \
 385         -Xc
 386 do
 387         CF_ADD_CFLAGS($cf_arg)
 388         AC_TRY_COMPILE(
 389 [
 390 #ifndef CC_HAS_PROTOS
 391 #if !defined(__STDC__) || (__STDC__ != 1)
 392 choke me
 393 #endif
 394 #endif
 395 ],[
 396         int test (int i, double x);
 397         struct s1 {int (*f) (int a);};
 398         struct s2 {int (*f) (double a);};],
 399         [cf_cv_ansi_cc="$cf_arg"; break])
 400 done
 401 CFLAGS="$cf_save_CFLAGS"
 402 CPPFLAGS="$cf_save_CPPFLAGS"
 403 ])
 404
 405 if test "$cf_cv_ansi_cc" != "no"; then
 406 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
 407         CF_ADD_CFLAGS($cf_cv_ansi_cc)
 408 else
 409         AC_DEFINE(CC_HAS_PROTOS)
 410 fi
 411 fi
 412 ])dnl
 413 dnl ---------------------------------------------------------------------------
 414 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
 415 dnl ---------------
 416 dnl For programs that must use an ANSI compiler, obtain compiler options that
 417 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
 418 dnl macros, since tools such as unproto can fake prototypes, but only part of
 419 dnl the preprocessor.
 420 AC_DEFUN([CF_ANSI_CC_REQD],
 421 [AC_REQUIRE([CF_ANSI_CC_CHECK])
 422 if test "$cf_cv_ansi_cc" = "no"; then
 423         AC_MSG_ERROR(
 424 [Your compiler does not appear to recognize prototypes.
 425 You have the following choices:
 426         a. adjust your compiler options
 427         b. get an up-to-date compiler
 428         c. use a wrapper such as unproto])
 429 fi
 430 ])dnl
 431 dnl ---------------------------------------------------------------------------
 432 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 433 dnl --------------
 434 dnl Allow user to disable a normally-on option.
 435 AC_DEFUN([CF_ARG_DISABLE],
 436 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 437 dnl ---------------------------------------------------------------------------
 438 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 439 dnl -------------
 440 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 441 dnl values.
 442 dnl
 443 dnl Parameters:
 444 dnl $1 = option name
 445 dnl $2 = help-string
 446 dnl $3 = action to perform if option is not default
 447 dnl $4 = action if perform if option is default
 448 dnl $5 = default option value (either 'yes' or 'no')
 449 AC_DEFUN([CF_ARG_OPTION],
 450 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 451   if test "$enableval" != "$5" ; then
 452 ifelse([$3],,[    :]dnl
 453 ,[    $3]) ifelse([$4],,,[
 454   else
 455     $4])
 456   fi],[enableval=$5 ifelse([$4],,,[
 457   $4
 458 ])dnl
 459   ])])dnl
 460 dnl ---------------------------------------------------------------------------
 461 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 462 dnl -----------
 463 dnl Check for suitable "ar" (archiver) options for updating an archive.
 464 AC_DEFUN([CF_AR_FLAGS],[
 465 AC_REQUIRE([CF_PROG_AR])
 466
 467 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 468         cf_cv_ar_flags=unknown
 469         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 470         do
 471
 472                 # check if $ARFLAGS already contains this choice
 473                 if test "x$ARFLAGS" != "x" ; then
 474                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 475                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 476                                 cf_cv_ar_flags=
 477                                 break
 478                         fi
 479                 fi
 480
 481                 rm -f conftest.$ac_cv_objext
 482                 rm -f conftest.a
 483
 484                 cat >conftest.$ac_ext <<EOF
 485 #line __oline__ "configure"
 486 int     testdata[[3]] = { 123, 456, 789 };
 487 EOF
 488                 if AC_TRY_EVAL(ac_compile) ; then
 489                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 490                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 491                         if test -f conftest.a ; then
 492                                 cf_cv_ar_flags=$cf_ar_flags
 493                                 break
 494                         fi
 495                 else
 496                         CF_VERBOSE(cannot compile test-program)
 497                         break
 498                 fi
 499         done
 500         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 501 ])
 502
 503 if test -n "$ARFLAGS" ; then
 504         if test -n "$cf_cv_ar_flags" ; then
 505                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 506         fi
 507 else
 508         ARFLAGS=$cf_cv_ar_flags
 509 fi
 510
 511 AC_SUBST(ARFLAGS)
 512 ])
 513 dnl ---------------------------------------------------------------------------
 514 dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
 515 dnl -----------------
 516 dnl Check if awk can handle big strings using printf.  Some older versions of
 517 dnl awk choke on large strings passed via "%s".
 518 dnl
 519 dnl $1 = desired string size
 520 dnl $2 = variable to set with result
 521 AC_DEFUN([CF_AWK_BIG_PRINTF],
 522 [
 523         case x$AWK in #(vi
 524         x)
 525                 eval $2=no
 526                 ;;
 527         *) #(vi
 528                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 529                         | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
 530                         eval $2=yes
 531                 else
 532                         eval $2=no
 533                 fi
 534                 ;;
 535         esac
 536 ])dnl
 537 dnl ---------------------------------------------------------------------------
 538 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 539 dnl ------------
 540 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 541 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 542 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 543 dnl
 544 dnl Treat the configuration-variable specially here, since we're directly
 545 dnl substituting its value (i.e., 1/0).
 546 dnl
 547 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 548 AC_DEFUN([CF_BOOL_DECL],
 549 [
 550 AC_MSG_CHECKING(if we should include stdbool.h)
 551
 552 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 553         AC_TRY_COMPILE([],[bool foo = false],
 554                 [cf_cv_header_stdbool_h=0],
 555                 [AC_TRY_COMPILE([
 556 #ifndef __BEOS__
 557 #include <stdbool.h>
 558 #endif
 559 ],[bool foo = false],
 560                         [cf_cv_header_stdbool_h=1],
 561                         [cf_cv_header_stdbool_h=0])])])
 562
 563 if test "$cf_cv_header_stdbool_h" = 1
 564 then    AC_MSG_RESULT(yes)
 565 else    AC_MSG_RESULT(no)
 566 fi
 567
 568 AC_MSG_CHECKING([for builtin bool type])
 569
 570 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 571         AC_TRY_COMPILE([
 572 #include <stdio.h>
 573 #include <sys/types.h>
 574 ],[bool x = false],
 575                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 576                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 577         ])
 578
 579 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 580 then    AC_MSG_RESULT(yes)
 581 else    AC_MSG_RESULT(no)
 582 fi
 583 ])dnl
 584 dnl ---------------------------------------------------------------------------
 585 dnl CF_BOOL_SIZE version: 12 updated: 2006/12/16 12:33:30
 586 dnl ------------
 587 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 588 dnl Don't bother looking for bool.h, since it's been deprecated.
 589 dnl
 590 dnl If the current compiler is C rather than C++, we get the bool definition
 591 dnl from <stdbool.h>.
 592 AC_DEFUN([CF_BOOL_SIZE],
 593 [
 594 AC_MSG_CHECKING([for size of bool])
 595 AC_CACHE_VAL(cf_cv_type_of_bool,[
 596         rm -f cf_test.out
 597         AC_TRY_RUN([
 598 #include <stdlib.h>
 599 #include <stdio.h>
 600
 601 #if defined(__cplusplus)
 602
 603 #ifdef HAVE_GXX_BUILTIN_H
 604 #include <g++/builtin.h>
 605 #elif HAVE_GPP_BUILTIN_H
 606 #include <gpp/builtin.h>
 607 #elif HAVE_BUILTIN_H
 608 #include <builtin.h>
 609 #endif
 610
 611 #else
 612
 613 #if $cf_cv_header_stdbool_h
 614 #include <stdbool.h>
 615 #endif
 616
 617 #endif
 618
 619 main()
 620 {
 621         FILE *fp = fopen("cf_test.out", "w");
 622         if (fp != 0) {
 623                 bool x = true;
 624                 if ((bool)(-x) >= 0)
 625                         fputs("unsigned ", fp);
 626                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 627                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 628                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 629                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 630                 fclose(fp);
 631         }
 632         ${cf_cv_main_return:-return}(0);
 633 }
 634                 ],
 635                 [cf_cv_type_of_bool=`cat cf_test.out`
 636                  if test -z "$cf_cv_type_of_bool"; then
 637                    cf_cv_type_of_bool=unknown
 638                  fi],
 639                 [cf_cv_type_of_bool=unknown],
 640                 [cf_cv_type_of_bool=unknown])
 641         ])
 642         rm -f cf_test.out
 643 AC_MSG_RESULT($cf_cv_type_of_bool)
 644 if test "$cf_cv_type_of_bool" = unknown ; then
 645         case .$NCURSES_BOOL in #(vi
 646         .auto|.) NCURSES_BOOL=unsigned;;
 647         esac
 648         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 649         cf_cv_type_of_bool=$NCURSES_BOOL
 650 fi
 651 ])dnl
 652 dnl ---------------------------------------------------------------------------
 653 dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
 654 dnl -----------
 655 dnl If we're cross-compiling, allow the user to override the tools and their
 656 dnl options.  The configure script is oriented toward identifying the host
 657 dnl compiler, etc., but we need a build compiler to generate parts of the
 658 dnl source.
 659 dnl
 660 dnl $1 = default for $CPPFLAGS
 661 dnl $2 = default for $LIBS
 662 AC_DEFUN([CF_BUILD_CC],[
 663 AC_REQUIRE([CF_PROG_EXT])
 664 if test "$cross_compiling" = yes ; then
 665
 666         # defaults that we might want to override
 667         : ${BUILD_CFLAGS:=''}
 668         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 669         : ${BUILD_LDFLAGS:=''}
 670         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 671         : ${BUILD_EXEEXT:='$x'}
 672         : ${BUILD_OBJEXT:='o'}
 673
 674         AC_ARG_WITH(build-cc,
 675                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 676                 [BUILD_CC="$withval"],
 677                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 678         AC_MSG_CHECKING(for native build C compiler)
 679         AC_MSG_RESULT($BUILD_CC)
 680
 681         AC_MSG_CHECKING(for native build C preprocessor)
 682         AC_ARG_WITH(build-cpp,
 683                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 684                 [BUILD_CPP="$withval"],
 685                 [BUILD_CPP='${BUILD_CC} -E'])
 686         AC_MSG_RESULT($BUILD_CPP)
 687
 688         AC_MSG_CHECKING(for native build C flags)
 689         AC_ARG_WITH(build-cflags,
 690                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 691                 [BUILD_CFLAGS="$withval"])
 692         AC_MSG_RESULT($BUILD_CFLAGS)
 693
 694         AC_MSG_CHECKING(for native build C preprocessor-flags)
 695         AC_ARG_WITH(build-cppflags,
 696                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 697                 [BUILD_CPPFLAGS="$withval"])
 698         AC_MSG_RESULT($BUILD_CPPFLAGS)
 699
 700         AC_MSG_CHECKING(for native build linker-flags)
 701         AC_ARG_WITH(build-ldflags,
 702                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 703                 [BUILD_LDFLAGS="$withval"])
 704         AC_MSG_RESULT($BUILD_LDFLAGS)
 705
 706         AC_MSG_CHECKING(for native build linker-libraries)
 707         AC_ARG_WITH(build-libs,
 708                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 709                 [BUILD_LIBS="$withval"])
 710         AC_MSG_RESULT($BUILD_LIBS)
 711
 712         # this assumes we're on Unix.
 713         BUILD_EXEEXT=
 714         BUILD_OBJEXT=o
 715
 716         : ${BUILD_CC:='${CC}'}
 717
 718         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 719                 AC_MSG_ERROR([Cross-build requires two compilers.
 720 Use --with-build-cc to specify the native compiler.])
 721         fi
 722
 723 else
 724         : ${BUILD_CC:='${CC}'}
 725         : ${BUILD_CPP:='${CPP}'}
 726         : ${BUILD_CFLAGS:='${CFLAGS}'}
 727         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 728         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 729         : ${BUILD_LIBS:='${LIBS}'}
 730         : ${BUILD_EXEEXT:='$x'}
 731         : ${BUILD_OBJEXT:='o'}
 732 fi
 733
 734 AC_SUBST(BUILD_CC)
 735 AC_SUBST(BUILD_CPP)
 736 AC_SUBST(BUILD_CFLAGS)
 737 AC_SUBST(BUILD_CPPFLAGS)
 738 AC_SUBST(BUILD_LDFLAGS)
 739 AC_SUBST(BUILD_LIBS)
 740 AC_SUBST(BUILD_EXEEXT)
 741 AC_SUBST(BUILD_OBJEXT)
 742 ])dnl
 743 dnl ---------------------------------------------------------------------------
 744 dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
 745 dnl ---------------
 746 dnl Determine the default configuration into which we'll install ncurses.  This
 747 dnl can be overridden by the user's command-line options.  There's two items to
 748 dnl look for:
 749 dnl     1. the prefix (e.g., /usr)
 750 dnl     2. the header files (e.g., /usr/include/ncurses)
 751 dnl We'll look for a previous installation of ncurses and use the same defaults.
 752 dnl
 753 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 754 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 755 dnl programs from a vendor's.
 756 AC_DEFUN([CF_CFG_DEFAULTS],
 757 [
 758 AC_MSG_CHECKING(for prefix)
 759 if test "x$prefix" = "xNONE" ; then
 760         case "$cf_cv_system_name" in
 761                 # non-vendor systems don't have a conflict
 762         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
 763                 prefix=/usr
 764                 ;;
 765         *)      prefix=$ac_default_prefix
 766                 ;;
 767         esac
 768 fi
 769 AC_MSG_RESULT($prefix)
 770
 771 if test "x$prefix" = "xNONE" ; then
 772 AC_MSG_CHECKING(for default include-directory)
 773 test -n "$verbose" && echo 1>&AC_FD_MSG
 774 for cf_symbol in \
 775         $includedir \
 776         $includedir/ncurses \
 777         $prefix/include \
 778         $prefix/include/ncurses \
 779         /usr/local/include \
 780         /usr/local/include/ncurses \
 781         /usr/include \
 782         /usr/include/ncurses
 783 do
 784         cf_dir=`eval echo $cf_symbol`
 785         if test -f $cf_dir/curses.h ; then
 786         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 787                 includedir="$cf_symbol"
 788                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 789                 break
 790         fi
 791         fi
 792         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 793 done
 794 AC_MSG_RESULT($includedir)
 795 fi
 796 ])dnl
 797 dnl ---------------------------------------------------------------------------
 798 dnl CF_CGETENT version: 4 updated: 2011/08/07 14:54:41
 799 dnl ----------
 800 dnl Check if the terminal-capability database functions are available.  If not,
 801 dnl ncurses has a much-reduced version.
 802 AC_DEFUN([CF_CGETENT],[
 803 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 804 AC_TRY_LINK([
 805 #include <stdlib.h>],[
 806         char temp[128];
 807         char *buf = temp;
 808         char *db_array = temp;
 809         cgetent(&buf, &db_array, "vt100");
 810         cgetcap(buf, "tc", '=');
 811         cgetmatch(buf, "tc");
 812         ],
 813         [cf_cv_cgetent=yes],
 814         [cf_cv_cgetent=no])
 815 ])
 816
 817 if test "$cf_cv_cgetent" = yes
 818 then
 819         AC_DEFINE(HAVE_BSD_CGETENT)
 820 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 821 AC_TRY_LINK([
 822 #include <stdlib.h>],[
 823         char temp[128];
 824         char *buf = temp;
 825 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 826         const char *db_array = temp;
 827         cgetent(&buf, &db_array, "vt100");
 828 #endif
 829         cgetcap(buf, "tc", '=');
 830         cgetmatch(buf, "tc");
 831         ],
 832         [cf_cv_cgetent_const=yes],
 833         [cf_cv_cgetent_const=no])
 834 ])
 835         if test "$cf_cv_cgetent_const" = yes
 836         then
 837                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const)
 838         fi
 839 fi
 840 ])dnl
 841 dnl ---------------------------------------------------------------------------
 842 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
 843 dnl --------------
 844 dnl Check if we're accidentally using a cache from a different machine.
 845 dnl Derive the system name, as a check for reusing the autoconf cache.
 846 dnl
 847 dnl If we've packaged config.guess and config.sub, run that (since it does a
 848 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 849 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 850 dnl which is useful in cross-compiles.
 851 dnl
 852 dnl Note: we would use $ac_config_sub, but that is one of the places where
 853 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 854 AC_DEFUN([CF_CHECK_CACHE],
 855 [
 856 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 857         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 858         system_name="$host_os"
 859 else
 860         system_name="`(uname -s -r) 2>/dev/null`"
 861         if test -z "$system_name" ; then
 862                 system_name="`(hostname) 2>/dev/null`"
 863         fi
 864 fi
 865 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
 866 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 867
 868 test -z "$system_name" && system_name="$cf_cv_system_name"
 869 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 870
 871 if test ".$system_name" != ".$cf_cv_system_name" ; then
 872         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 873         AC_MSG_ERROR("Please remove config.cache and try again.")
 874 fi
 875 ])dnl
 876 dnl ---------------------------------------------------------------------------
 877 dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
 878 dnl --------------
 879 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 880 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
 881 dnl ourselves.
 882 dnl
 883 dnl $1 = the name to check
 884 dnl $2 = the assumed type
 885 AC_DEFUN([CF_CHECK_ERRNO],
 886 [
 887 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 888     AC_TRY_COMPILE([
 889 #ifdef HAVE_STDLIB_H
 890 #include <stdlib.h>
 891 #endif
 892 #include <stdio.h>
 893 #include <sys/types.h>
 894 #include <errno.h> ],
 895     ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
 896     [cf_cv_dcl_$1=yes],
 897     [cf_cv_dcl_$1=no])
 898 ])
 899
 900 if test "$cf_cv_dcl_$1" = no ; then
 901     CF_UPPER(cf_result,decl_$1)
 902     AC_DEFINE_UNQUOTED($cf_result)
 903 fi
 904
 905 # It's possible (for near-UNIX clones) that the data doesn't exist
 906 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 907 ])dnl
 908 dnl ---------------------------------------------------------------------------
 909 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
 910 dnl --------------------
 911 dnl Check for existence of external data in the current set of libraries.  If
 912 dnl we can modify it, it's real enough.
 913 dnl $1 = the name to check
 914 dnl $2 = its type
 915 AC_DEFUN([CF_CHECK_EXTERN_DATA],
 916 [
 917 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
 918     AC_TRY_LINK([
 919 #undef $1
 920 extern $2 $1;
 921 ],
 922     [$1 = 2],
 923     [cf_cv_have_$1=yes],
 924     [cf_cv_have_$1=no])
 925 ])
 926
 927 if test "$cf_cv_have_$1" = yes ; then
 928     CF_UPPER(cf_result,have_$1)
 929     AC_DEFINE_UNQUOTED($cf_result)
 930 fi
 931
 932 ])dnl
 933 dnl ---------------------------------------------------------------------------
 934 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 935 dnl -------------------
 936 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 937 dnl is not "weak" - warn about this because it can create problems linking
 938 dnl applications with ncurses.
 939 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
 940 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
 941
 942 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
 943 cf_cv_check_gpm_wgetch=unknown
 944 if test "$cross_compiling" != yes ; then
 945
 946 cat >conftest.$ac_ext <<CF_EOF
 947 #include <gpm.h>
 948 int main()
 949 {
 950         Gpm_Wgetch();
 951         ${cf_cv_main_return:-return}(0);
 952 }
 953 CF_EOF
 954
 955         cf_save_LIBS="$LIBS"
 956         # This only works if we can look at the symbol table.  If a shared
 957         # library is stripped for install, we cannot use that.  So we're forced
 958         # to rely on the static library, noting that some packagers may not
 959         # include it.
 960         LIBS="-static -lgpm -dynamic $LIBS"
 961         if AC_TRY_EVAL(ac_compile) ; then
 962                 if AC_TRY_EVAL(ac_link) ; then
 963                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
 964                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
 965                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
 966                 fi
 967         fi
 968         rm -rf conftest*
 969         LIBS="$cf_save_LIBS"
 970 fi
 971 ])
 972
 973 if test "$cf_cv_check_gpm_wgetch" != yes ; then
 974         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
 975 fi
 976 ])])dnl
 977 dnl ---------------------------------------------------------------------------
 978 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 979 dnl ----------------
 980 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
 981 AC_DEFUN([CF_CHECK_WCHAR_H],[
 982 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
 983 AC_TRY_COMPILE(
 984 [
 985 #include <stdlib.h>
 986 #include <wchar.h>
 987 ],[
 988         wint_t foo = 0;
 989         int bar = iswpunct(foo)],
 990         [cf_cv_wchar_h_okay=yes],
 991         [cf_cv_wchar_h_okay=no])])
 992
 993 if test $cf_cv_wchar_h_okay = no
 994 then
 995         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
 996 fi
 997 ])dnl
 998 dnl ---------------------------------------------------------------------------
 999 dnl CF_CPP_PARAM_INIT version: 5 updated: 2011/12/03 16:54:03
1000 dnl -----------------
1001 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1002 dnl is a late feature for the standard and is not in some recent compilers
1003 dnl (1999/9/11).
1004 AC_DEFUN([CF_CPP_PARAM_INIT],
1005 [
1006 if test -n "$CXX"; then
1007 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1008         AC_LANG_SAVE
1009         AC_LANG_CPLUSPLUS
1010         AC_TRY_RUN([
1011 class TEST {
1012 private:
1013         int value;
1014 public:
1015         TEST(int x = 1);
1016         ~TEST();
1017 };
1018
1019 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1020 {
1021         value = x;
1022 }
1023 int main() { }
1024 ],
1025         [cf_cv_cpp_param_init=yes],
1026         [cf_cv_cpp_param_init=no],
1027         [cf_cv_cpp_param_init=unknown])
1028         AC_LANG_RESTORE
1029 ])
1030 fi
1031 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
1032 ])dnl
1033 dnl ---------------------------------------------------------------------------
1034 dnl CF_CPP_STATIC_CAST version: 1 updated: 2005/07/23 16:52:43
1035 dnl ------------------
1036 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1037 dnl not be supported in g++ before 3.0
1038 AC_DEFUN([CF_CPP_STATIC_CAST],
1039 [
1040 if test -n "$CXX"; then
1041
1042 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1043         AC_LANG_SAVE
1044         AC_LANG_CPLUSPLUS
1045
1046         AC_TRY_COMPILE([
1047 class NCursesPanel
1048 {
1049 public:
1050   NCursesPanel(int nlines,
1051                int ncols,
1052                int begin_y = 0,
1053                int begin_x = 0)
1054   {
1055   }
1056
1057   ~NCursesPanel();
1058 };
1059
1060 template<class T> class NCursesUserPanel : public NCursesPanel
1061 {
1062 public:
1063   NCursesUserPanel (int nlines,
1064                     int ncols,
1065                     int begin_y = 0,
1066                     int begin_x = 0,
1067                     const T* p_UserData = static_cast<T*>(0))
1068     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1069   {
1070   };
1071   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1072   {
1073   };
1074
1075   virtual ~NCursesUserPanel() {};
1076 };
1077 ],[
1078         const char* p_UserData = static_cast<char*>(0)],
1079         [cf_cv_cpp_static_cast=yes],
1080         [cf_cv_cpp_static_cast=no])
1081
1082         AC_LANG_RESTORE
1083 ])
1084
1085 fi
1086
1087 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
1088 ])dnl
1089 dnl ---------------------------------------------------------------------------
1090 dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
1091 dnl ---------------
1092 dnl Setup special archiver flags for given compilers.
1093 AC_DEFUN([CF_CXX_AR_FLAGS],[
1094         CXX_AR='$(AR)'
1095         CXX_ARFLAGS='$(ARFLAGS)'
1096         case $cf_cv_system_name in #(vi
1097         irix*) #(vi
1098             if test "$GXX" != yes ; then
1099                 CXX_AR='$(CXX)'
1100                 CXX_ARFLAGS='-ar -o'
1101             fi
1102             ;;
1103         sco3.2v5*) #(vi
1104             CXXLDFLAGS="-u main"
1105             ;;
1106         solaris2*)
1107             if test "$GXX" != yes ; then
1108                 CXX_AR='$(CXX)'
1109                 CXX_ARFLAGS='-xar -o'
1110             fi
1111             ;;
1112         esac
1113         AC_SUBST(CXXLDFLAGS)
1114         AC_SUBST(CXX_AR)
1115         AC_SUBST(CXX_ARFLAGS)
1116 ])dnl
1117 dnl ---------------------------------------------------------------------------
1118 dnl CF_CXX_IOSTREAM_NAMESPACE version: 1 updated: 2011/10/29 08:35:34
1119 dnl -------------------------
1120 dnl For c++, check if iostream uses "std::" namespace.
1121 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1122 AC_CHECK_HEADERS(iostream)
1123 if test x"$ac_cv_header_iostream" = xyes ; then
1124         AC_MSG_CHECKING(if iostream uses std-namespace)
1125         AC_TRY_COMPILE([
1126 #include <iostream>
1127 using std::endl;
1128 using std::cerr;],[
1129 cerr << "testing" << endl;
1130 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1131         AC_MSG_RESULT($cf_iostream_namespace)
1132         if test "$cf_iostream_namespace" = yes ; then
1133                 AC_DEFINE(IOSTREAM_NAMESPACE)
1134         fi
1135 fi
1136 ])dnl
1137 dnl ---------------------------------------------------------------------------
1138 dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41
1139 dnl -----------
1140 dnl Check if the C compiler supports "inline".
1141 dnl $1 is the name of a shell variable to set if inline is supported
1142 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1143 AC_DEFUN([CF_C_INLINE],[
1144 AC_C_INLINE
1145 $1=
1146 if test "$ac_cv_c_inline" != no ; then
1147   $1=inline
1148   if test "$INTEL_COMPILER" = yes
1149   then
1150     :
1151   elif test "$GCC" = yes
1152   then
1153     AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1154       cf_save_CFLAGS=$CFLAGS
1155       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1156       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1157       [${cf_cv_main_return:-return} foo()],
1158       [cf_cv_gcc_inline=yes],
1159       [cf_cv_gcc_inline=no])
1160       CFLAGS=$cf_save_CFLAGS
1161     ])
1162     if test "$cf_cv_gcc_inline" = yes ; then
1163         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1164     fi
1165   fi
1166 fi
1167 AC_SUBST($1)
1168 ])dnl
1169 dnl ---------------------------------------------------------------------------
1170 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1171 dnl ----------
1172 dnl "dirname" is not portable, so we fake it with a shell script.
1173 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1174 dnl ---------------------------------------------------------------------------
1175 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1176 dnl ---------------
1177 AC_DEFUN([CF_DIRS_TO_MAKE],
1178 [
1179 DIRS_TO_MAKE="lib"
1180 for cf_item in $cf_list_models
1181 do
1182         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1183         for cf_item2 in $DIRS_TO_MAKE
1184         do
1185                 test $cf_item2 = $cf_subdir && break
1186         done
1187         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1188 done
1189 for cf_dir in $DIRS_TO_MAKE
1190 do
1191         test ! -d $cf_dir && mkdir $cf_dir
1192 done
1193 AC_SUBST(DIRS_TO_MAKE)
1194 ])dnl
1195 dnl ---------------------------------------------------------------------------
1196 dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
1197 dnl ----------------
1198 dnl Combine no-leak checks with the libraries or tools that are used for the
1199 dnl checks.
1200 AC_DEFUN([CF_DISABLE_LEAKS],[
1201
1202 AC_REQUIRE([CF_WITH_DMALLOC])
1203 AC_REQUIRE([CF_WITH_DBMALLOC])
1204 AC_REQUIRE([CF_WITH_VALGRIND])
1205
1206 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1207 AC_ARG_ENABLE(leaks,
1208         [  --disable-leaks         test: free permanent memory, analyze leaks],
1209         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1210         : ${with_no_leaks:=no})
1211 AC_MSG_RESULT($with_no_leaks)
1212
1213 if test "$with_no_leaks" = yes ; then
1214         AC_DEFINE(NO_LEAKS)
1215         AC_DEFINE(YY_NO_LEAKS)
1216 fi
1217 ])dnl
1218 dnl ---------------------------------------------------------------------------
1219 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1220 dnl --------------------------
1221 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1222 dnl the older "-version-info" feature.  The newer feature allows us to use
1223 dnl version numbering on shared libraries which make them compatible with
1224 dnl various systems.
1225 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1226 [
1227 AC_MSG_CHECKING(if libtool -version-number should be used)
1228 CF_ARG_DISABLE(libtool-version,
1229         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1230         [cf_libtool_version=no],
1231         [cf_libtool_version=yes])
1232 AC_MSG_RESULT($cf_libtool_version)
1233
1234 if test "$cf_libtool_version" = yes ; then
1235         LIBTOOL_VERSION="-version-number"
1236 else
1237         LIBTOOL_VERSION="-version-info"
1238 fi
1239
1240 AC_SUBST(LIBTOOL_VERSION)
1241 ])dnl
1242 dnl ---------------------------------------------------------------------------
1243 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1244 dnl ---------------------
1245 dnl The rpath-hack makes it simpler to build programs, particularly with the
1246 dnl *BSD ports which may have essential libraries in unusual places.  But it
1247 dnl can interfere with building an executable for the base system.  Use this
1248 dnl option in that case.
1249 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1250 [
1251 AC_MSG_CHECKING(if rpath-hack should be disabled)
1252 CF_ARG_DISABLE(rpath-hack,
1253         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1254         [cf_disable_rpath_hack=yes],
1255         [cf_disable_rpath_hack=no])
1256 AC_MSG_RESULT($cf_disable_rpath_hack)
1257 if test "$cf_disable_rpath_hack" = no ; then
1258         CF_RPATH_HACK
1259 fi
1260 ])
1261 dnl ---------------------------------------------------------------------------
1262 dnl CF_ENABLE_PC_FILES version: 7 updated: 2011/12/10 18:58:47
1263 dnl ------------------
1264 dnl This is the "--enable-pc-files" option, which is available if there is a
1265 dnl pkg-config configuration on the local machine.
1266 AC_DEFUN([CF_ENABLE_PC_FILES],[
1267 AC_REQUIRE([CF_PKG_CONFIG])
1268 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1269
1270 if test "$PKG_CONFIG" != none ; then
1271         if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then
1272                 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1273                 AC_ARG_ENABLE(pc-files,
1274                         [  --enable-pc-files       generate and install .pc files for pkg-config],
1275                         [enable_pc_files=$enableval],
1276                         [enable_pc_files=no])
1277                 AC_MSG_RESULT($enable_pc_files)
1278         elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then
1279                 enable_pc_files=no
1280                 AC_MSG_WARN(did not find $PKG_CONFIG library)
1281         fi
1282 else
1283         enable_pc_files=no
1284 fi
1285 ])dnl
1286 dnl ---------------------------------------------------------------------------
1287 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1288 dnl ---------------
1289 dnl Check if the rpath option should be used, setting cache variable
1290 dnl cf_cv_enable_rpath if so.
1291 AC_DEFUN([CF_ENABLE_RPATH],
1292 [
1293 AC_MSG_CHECKING(if rpath option should be used)
1294 AC_ARG_ENABLE(rpath,
1295 [  --enable-rpath          use rpath option when generating shared libraries],
1296 [cf_cv_enable_rpath=$enableval],
1297 [cf_cv_enable_rpath=no])
1298 AC_MSG_RESULT($cf_cv_enable_rpath)
1299 ])dnl
1300 dnl ---------------------------------------------------------------------------
1301 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1302 dnl --------
1303 dnl Check if 'errno' is declared in <errno.h>
1304 AC_DEFUN([CF_ERRNO],
1305 [
1306 CF_CHECK_ERRNO(errno)
1307 ])dnl
1308 dnl ---------------------------------------------------------------------------
1309 dnl CF_ETIP_DEFINES version: 4 updated: 2011/12/03 16:54:03
1310 dnl ---------------
1311 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1312 dnl math.h and builtin.h, only for ncurses
1313 AC_DEFUN([CF_ETIP_DEFINES],
1314 [
1315 AC_MSG_CHECKING(for special defines needed for etip.h)
1316 cf_save_CXXFLAGS="$CXXFLAGS"
1317 cf_result="none"
1318
1319 # etip.h includes ncurses.h which includes ncurses_dll.h
1320 # But ncurses_dll.h is generated - fix here.
1321 test -d include || mkdir include
1322 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1323
1324 for cf_math in "" MATH_H
1325 do
1326 for cf_excp in "" MATH_EXCEPTION
1327 do
1328         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1329         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1330         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1331 AC_TRY_COMPILE([
1332 #include <etip.h.in>
1333 ],[],[
1334         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1335         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1336         cf_result="$cf_math $cf_excp"
1337         break
1338 ],[])
1339 done
1340 done
1341 AC_MSG_RESULT($cf_result)
1342 CXXFLAGS="$cf_save_CXXFLAGS"
1343 ])
1344 dnl ---------------------------------------------------------------------------
1345 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1346 dnl ---------------
1347 dnl Find a library (specifically the linkage used in the code fragment),
1348 dnl searching for it if it is not already in the library path.
1349 dnl See also CF_ADD_SEARCHPATH.
1350 dnl
1351 dnl Parameters (4-on are optional):
1352 dnl     $1 = headers for library entrypoint
1353 dnl     $2 = code fragment for library entrypoint
1354 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1355 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1356 dnl     $5 = action to perform if not successful
1357 dnl     $6 = module name, if not the same as the library name
1358 dnl     $7 = extra libraries
1359 dnl
1360 dnl Sets these variables:
1361 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1362 dnl     $cf_cv_header_path_$3 - include-directory if needed
1363 dnl     $cf_cv_library_path_$3 - library-directory if needed
1364 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1365 AC_DEFUN([CF_FIND_LINKAGE],[
1366
1367 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1368 # will be set on completion of the AC_TRY_LINK below.
1369 cf_cv_header_path_$3=
1370 cf_cv_library_path_$3=
1371
1372 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1373
1374 cf_save_LIBS="$LIBS"
1375
1376 AC_TRY_LINK([$1],[$2],[
1377         cf_cv_find_linkage_$3=yes
1378         cf_cv_header_path_$3=/usr/include
1379         cf_cv_library_path_$3=/usr/lib
1380 ],[
1381
1382 LIBS="-l$3 $7 $cf_save_LIBS"
1383
1384 AC_TRY_LINK([$1],[$2],[
1385         cf_cv_find_linkage_$3=yes
1386         cf_cv_header_path_$3=/usr/include
1387         cf_cv_library_path_$3=/usr/lib
1388         cf_cv_library_file_$3="-l$3"
1389 ],[
1390         cf_cv_find_linkage_$3=no
1391         LIBS="$cf_save_LIBS"
1392
1393     CF_VERBOSE(find linkage for $3 library)
1394     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1395
1396     cf_save_CPPFLAGS="$CPPFLAGS"
1397     cf_test_CPPFLAGS="$CPPFLAGS"
1398
1399     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1400     for cf_cv_header_path_$3 in $cf_search
1401     do
1402       if test -d $cf_cv_header_path_$3 ; then
1403         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1404         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1405         AC_TRY_COMPILE([$1],[$2],[
1406             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1407             cf_cv_find_linkage_$3=maybe
1408             cf_test_CPPFLAGS="$CPPFLAGS"
1409             break],[
1410             CPPFLAGS="$cf_save_CPPFLAGS"
1411             ])
1412       fi
1413     done
1414
1415     if test "$cf_cv_find_linkage_$3" = maybe ; then
1416
1417       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1418
1419       cf_save_LIBS="$LIBS"
1420       cf_save_LDFLAGS="$LDFLAGS"
1421
1422       ifelse([$6],,,[
1423         CPPFLAGS="$cf_test_CPPFLAGS"
1424         LIBS="-l$3 $7 $cf_save_LIBS"
1425         AC_TRY_LINK([$1],[$2],[
1426             CF_VERBOSE(... found $3 library in system)
1427             cf_cv_find_linkage_$3=yes])
1428             CPPFLAGS="$cf_save_CPPFLAGS"
1429             LIBS="$cf_save_LIBS"
1430             ])
1431
1432       if test "$cf_cv_find_linkage_$3" != yes ; then
1433         CF_LIBRARY_PATH(cf_search,$3)
1434         for cf_cv_library_path_$3 in $cf_search
1435         do
1436           if test -d $cf_cv_library_path_$3 ; then
1437             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1438             CPPFLAGS="$cf_test_CPPFLAGS"
1439             LIBS="-l$3 $7 $cf_save_LIBS"
1440             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1441             AC_TRY_LINK([$1],[$2],[
1442                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1443                 cf_cv_find_linkage_$3=yes
1444                 cf_cv_library_file_$3="-l$3"
1445                 break],[
1446                 CPPFLAGS="$cf_save_CPPFLAGS"
1447                 LIBS="$cf_save_LIBS"
1448                 LDFLAGS="$cf_save_LDFLAGS"
1449                 ])
1450           fi
1451         done
1452         CPPFLAGS="$cf_save_CPPFLAGS"
1453         LDFLAGS="$cf_save_LDFLAGS"
1454       fi
1455
1456     else
1457       cf_cv_find_linkage_$3=no
1458     fi
1459     ],$7)
1460 ])
1461
1462 LIBS="$cf_save_LIBS"
1463
1464 if test "$cf_cv_find_linkage_$3" = yes ; then
1465 ifelse([$4],,[
1466         CF_ADD_INCDIR($cf_cv_header_path_$3)
1467         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1468         CF_ADD_LIB($3)
1469 ],[$4])
1470 else
1471 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1472 fi
1473 ])dnl
1474 dnl ---------------------------------------------------------------------------
1475 dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
1476 dnl -------------
1477 dnl Test for dlsym() and related functions, as well as libdl.
1478 dnl
1479 dnl Sets
1480 dnl     $cf_have_dlsym
1481 dnl     $cf_have_libdl
1482 AC_DEFUN([CF_FUNC_DLSYM],[
1483 cf_have_dlsym=no
1484 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1485
1486 cf_have_libdl=no
1487 AC_CHECK_LIB(dl,dlsym,[
1488         cf_have_dlsym=yes
1489         cf_have_libdl=yes])])
1490
1491 if test "$cf_have_dlsym" = yes ; then
1492         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1493
1494         AC_MSG_CHECKING(whether able to link to dl*() functions)
1495         AC_TRY_LINK([#include <dlfcn.h>],[
1496                 void *obj;
1497                 if ((obj = dlopen("filename", 0)) != 0) {
1498                         if (dlsym(obj, "symbolname") == 0) {
1499                         dlclose(obj);
1500                         }
1501                 }],[
1502                 AC_DEFINE(HAVE_LIBDL)],[
1503                 AC_MSG_ERROR(Cannot link test program for libdl)])
1504         AC_MSG_RESULT(ok)
1505 else
1506         AC_MSG_ERROR(Cannot find dlsym function)
1507 fi
1508 ])
1509 dnl ---------------------------------------------------------------------------
1510 dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
1511 dnl ---------------
1512 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1513 dnl is found, add our own version of memmove to the list of objects.
1514 AC_DEFUN([CF_FUNC_MEMMOVE],
1515 [
1516 AC_CHECK_FUNC(memmove,,[
1517 AC_CHECK_FUNC(bcopy,[
1518         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1519                 AC_TRY_RUN([
1520 int main() {
1521         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1522         char temp[40];
1523         bcopy(data, temp, sizeof(data));
1524         bcopy(temp+10, temp, 15);
1525         bcopy(temp+5, temp+15, 10);
1526         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1527 }
1528                 ],
1529                 [cf_cv_good_bcopy=yes],
1530                 [cf_cv_good_bcopy=no],
1531                 [cf_cv_good_bcopy=unknown])
1532                 ])
1533         ],[cf_cv_good_bcopy=no])
1534         if test "$cf_cv_good_bcopy" = yes ; then
1535                 AC_DEFINE(USE_OK_BCOPY)
1536         else
1537                 AC_DEFINE(USE_MY_MEMMOVE)
1538         fi
1539 ])])dnl
1540 dnl ---------------------------------------------------------------------------
1541 dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
1542 dnl -----------------
1543 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1544 dnl AIX 4.x, provide a non-working version.
1545 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1546 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1547 AC_TRY_RUN([
1548 #include <stdio.h>
1549 #include <errno.h>
1550 #include <time.h>
1551
1552 #ifdef HAVE_SYS_TIME_H
1553 #include <sys/time.h>
1554 #endif
1555
1556 int main() {
1557         struct timespec ts1, ts2;
1558         int code;
1559         ts1.tv_sec  = 0;
1560         ts1.tv_nsec = 750000000;
1561         ts2.tv_sec  = 0;
1562         ts2.tv_nsec = 0;
1563         errno = 0;
1564         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1565         ${cf_cv_main_return:-return}(code != 0);
1566 }
1567 ],
1568         [cf_cv_func_nanosleep=yes],
1569         [cf_cv_func_nanosleep=no],
1570         [cf_cv_func_nanosleep=unknown])])
1571
1572 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
1573 ])
1574 dnl ---------------------------------------------------------------------------
1575 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1576 dnl ---------------
1577 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1578 dnl "util" library as well.
1579 AC_DEFUN([CF_FUNC_OPENPTY],
1580 [
1581 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1582 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1583     cf_save_LIBS="$LIBS"
1584     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1585     for cf_header in pty.h libutil.h util.h
1586     do
1587     AC_TRY_LINK([
1588 #include <$cf_header>
1589 ],[
1590     int x = openpty((int *)0, (int *)0, (char *)0,
1591                    (struct termios *)0, (struct winsize *)0);
1592 ],[
1593         cf_cv_func_openpty=$cf_header
1594         break
1595 ],[
1596         cf_cv_func_openpty=no
1597 ])
1598     done
1599     LIBS="$cf_save_LIBS"
1600 ])
1601 ])dnl
1602 dnl ---------------------------------------------------------------------------
1603 dnl CF_FUNC_POLL version: 4 updated: 2006/12/16 12:33:30
1604 dnl ------------
1605 dnl See if the poll function really works.  Some platforms have poll(), but
1606 dnl it does not work for terminals or files.
1607 AC_DEFUN([CF_FUNC_POLL],[
1608 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1609 AC_TRY_RUN([
1610 #include <stdio.h>
1611 #ifdef HAVE_POLL_H
1612 #include <poll.h>
1613 #else
1614 #include <sys/poll.h>
1615 #endif
1616 int main() {
1617         struct pollfd myfds;
1618         int ret;
1619
1620         myfds.fd = 0;
1621         myfds.events = POLLIN;
1622
1623         ret = poll(&myfds, 1, 100);
1624         ${cf_cv_main_return:-return}(ret != 0);
1625 }],
1626         [cf_cv_working_poll=yes],
1627         [cf_cv_working_poll=no],
1628         [cf_cv_working_poll=unknown])])
1629 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
1630 ])dnl
1631 dnl ---------------------------------------------------------------------------
1632 dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
1633 dnl ---------------
1634 dnl Some old/broken variations define tcgetattr() only as a macro in
1635 dnl termio(s).h
1636 AC_DEFUN([CF_FUNC_TERMIOS],[
1637 AC_REQUIRE([CF_STRUCT_TERMIOS])
1638 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1639 AC_TRY_LINK([
1640 #include <sys/types.h>
1641 #ifdef HAVE_UNISTD_H
1642 #include <unistd.h>
1643 #endif
1644 #ifdef HAVE_TERMIOS_H
1645 #include <termios.h>
1646 #define TTY struct termios
1647 #else
1648 #ifdef HAVE_TERMIO_H
1649 #include <termio.h>
1650 #define TTY struct termio
1651 #endif
1652 #endif
1653 ],[
1654 TTY foo;
1655 tcgetattr(1, &foo);],
1656 [cf_cv_have_tcgetattr=yes],
1657 [cf_cv_have_tcgetattr=no])])
1658 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
1659 ])dnl
1660 dnl ---------------------------------------------------------------------------
1661 dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
1662 dnl ---------------
1663 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1664 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1665 dnl other functions.
1666 AC_DEFUN([CF_FUNC_VSSCANF],
1667 [
1668 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1669 AC_TRY_LINK([
1670 #include <stdarg.h>
1671 #include <stdio.h>],[
1672         va_list ap;
1673         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1674 AC_TRY_LINK([
1675 #include <stdarg.h>
1676 #include <stdio.h>],[
1677     FILE strbuf;
1678     char *str = "from";
1679
1680     strbuf._flag = _IOREAD;
1681     strbuf._ptr = strbuf._base = (unsigned char *) str;
1682     strbuf._cnt = strlen(str);
1683     strbuf._file = _NFILE;
1684     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1685 AC_TRY_LINK([
1686 #include <stdarg.h>
1687 #include <stdio.h>],[
1688     FILE strbuf;
1689     char *str = "from";
1690
1691     strbuf._flag = _IOREAD;
1692     strbuf._ptr = strbuf._base = (unsigned char *) str;
1693     strbuf._cnt = strlen(str);
1694     strbuf._file = _NFILE;
1695     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1696 cf_cv_func_vsscanf=no])])])])
1697
1698 case $cf_cv_func_vsscanf in #(vi
1699 vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
1700 vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
1701 _doscan) AC_DEFINE(HAVE__DOSCAN);;
1702 esac
1703
1704 ])dnl
1705 dnl ---------------------------------------------------------------------------
1706 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1707 dnl -----------------
1708 dnl Test for availability of useful gcc __attribute__ directives to quiet
1709 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1710 dnl to documentation, unrecognized directives cause older compilers to barf.
1711 AC_DEFUN([CF_GCC_ATTRIBUTES],
1712 [
1713 if test "$GCC" = yes
1714 then
1715 cat > conftest.i <<EOF
1716 #ifndef GCC_PRINTF
1717 #define GCC_PRINTF 0
1718 #endif
1719 #ifndef GCC_SCANF
1720 #define GCC_SCANF 0
1721 #endif
1722 #ifndef GCC_NORETURN
1723 #define GCC_NORETURN /* nothing */
1724 #endif
1725 #ifndef GCC_UNUSED
1726 #define GCC_UNUSED /* nothing */
1727 #endif
1728 EOF
1729 if test "$GCC" = yes
1730 then
1731         AC_CHECKING([for $CC __attribute__ directives])
1732 cat > conftest.$ac_ext <<EOF
1733 #line __oline__ "${as_me:-configure}"
1734 #include "confdefs.h"
1735 #include "conftest.h"
1736 #include "conftest.i"
1737 #if     GCC_PRINTF
1738 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1739 #else
1740 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1741 #endif
1742 #if     GCC_SCANF
1743 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1744 #else
1745 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1746 #endif
1747 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1748 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1749 extern void foo(void) GCC_NORETURN;
1750 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1751 EOF
1752         cf_printf_attribute=no
1753         cf_scanf_attribute=no
1754         for cf_attribute in scanf printf unused noreturn
1755         do
1756                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1757                 cf_directive="__attribute__(($cf_attribute))"
1758                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1759
1760                 case $cf_attribute in #(vi
1761                 printf) #(vi
1762                         cf_printf_attribute=yes
1763                         cat >conftest.h <<EOF
1764 #define GCC_$cf_ATTRIBUTE 1
1765 EOF
1766                         ;;
1767                 scanf) #(vi
1768                         cf_scanf_attribute=yes
1769                         cat >conftest.h <<EOF
1770 #define GCC_$cf_ATTRIBUTE 1
1771 EOF
1772                         ;;
1773                 *) #(vi
1774                         cat >conftest.h <<EOF
1775 #define GCC_$cf_ATTRIBUTE $cf_directive
1776 EOF
1777                         ;;
1778                 esac
1779
1780                 if AC_TRY_EVAL(ac_compile); then
1781                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1782                         cat conftest.h >>confdefs.h
1783                         case $cf_attribute in #(vi
1784                         printf) #(vi
1785                                 if test "$cf_printf_attribute" = no ; then
1786                                         cat >>confdefs.h <<EOF
1787 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1788 EOF
1789                                 else
1790                                         cat >>confdefs.h <<EOF
1791 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1792 EOF
1793                                 fi
1794                                 ;;
1795                         scanf) #(vi
1796                                 if test "$cf_scanf_attribute" = no ; then
1797                                         cat >>confdefs.h <<EOF
1798 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1799 EOF
1800                                 else
1801                                         cat >>confdefs.h <<EOF
1802 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1803 EOF
1804                                 fi
1805                                 ;;
1806                         esac
1807                 fi
1808         done
1809 else
1810         fgrep define conftest.i >>confdefs.h
1811 fi
1812 rm -rf conftest*
1813 fi
1814 ])dnl
1815 dnl ---------------------------------------------------------------------------
1816 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1817 dnl --------------
1818 dnl Find version of gcc
1819 AC_DEFUN([CF_GCC_VERSION],[
1820 AC_REQUIRE([AC_PROG_CC])
1821 GCC_VERSION=none
1822 if test "$GCC" = yes ; then
1823         AC_MSG_CHECKING(version of $CC)
1824         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1825         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1826         AC_MSG_RESULT($GCC_VERSION)
1827 fi
1828 ])dnl
1829 dnl ---------------------------------------------------------------------------
1830 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1831 dnl ---------------
1832 dnl Check if the compiler supports useful warning options.  There's a few that
1833 dnl we don't use, simply because they're too noisy:
1834 dnl
1835 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1836 dnl     -Wredundant-decls (system headers make this too noisy)
1837 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1838 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1839 dnl             is enabled for ncurses using "--enable-const".
1840 dnl     -pedantic
1841 dnl
1842 dnl Parameter:
1843 dnl     $1 is an optional list of gcc warning flags that a particular
1844 dnl             application might want to use, e.g., "no-unused" for
1845 dnl             -Wno-unused
1846 dnl Special:
1847 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1848 dnl
1849 AC_DEFUN([CF_GCC_WARNINGS],
1850 [
1851 AC_REQUIRE([CF_GCC_VERSION])
1852 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1853
1854 cat > conftest.$ac_ext <<EOF
1855 #line __oline__ "${as_me:-configure}"
1856 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1857 EOF
1858
1859 if test "$INTEL_COMPILER" = yes
1860 then
1861 # The "-wdXXX" options suppress warnings:
1862 # remark #1419: external declaration in primary source file
1863 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1864 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1865 # remark #193: zero used for undefined preprocessing identifier
1866 # remark #593: variable "curs_sb_left_arrow" was set but never used
1867 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1868 # remark #869: parameter "tw" was never referenced
1869 # remark #981: operands are evaluated in unspecified order
1870 # warning #279: controlling expression is constant
1871
1872         AC_CHECKING([for $CC warning options])
1873         cf_save_CFLAGS="$CFLAGS"
1874         EXTRA_CFLAGS="-Wall"
1875         for cf_opt in \
1876                 wd1419 \
1877                 wd1683 \
1878                 wd1684 \
1879                 wd193 \
1880                 wd593 \
1881                 wd279 \
1882                 wd810 \
1883                 wd869 \
1884                 wd981
1885         do
1886                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1887                 if AC_TRY_EVAL(ac_compile); then
1888                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1889                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1890                 fi
1891         done
1892         CFLAGS="$cf_save_CFLAGS"
1893
1894 elif test "$GCC" = yes
1895 then
1896         AC_CHECKING([for $CC warning options])
1897         cf_save_CFLAGS="$CFLAGS"
1898         EXTRA_CFLAGS=
1899         cf_warn_CONST=""
1900         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1901         for cf_opt in W Wall \
1902                 Wbad-function-cast \
1903                 Wcast-align \
1904                 Wcast-qual \
1905                 Winline \
1906                 Wmissing-declarations \
1907                 Wmissing-prototypes \
1908                 Wnested-externs \
1909                 Wpointer-arith \
1910                 Wshadow \
1911                 Wstrict-prototypes \
1912                 Wundef $cf_warn_CONST $1
1913         do
1914                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1915                 if AC_TRY_EVAL(ac_compile); then
1916                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1917                         case $cf_opt in #(vi
1918                         Wcast-qual) #(vi
1919                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1920                                 ;;
1921                         Winline) #(vi
1922                                 case $GCC_VERSION in
1923                                 [[34]].*)
1924                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1925                                         continue;;
1926                                 esac
1927                                 ;;
1928                         esac
1929                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1930                 fi
1931         done
1932         CFLAGS="$cf_save_CFLAGS"
1933 fi
1934 rm -rf conftest*
1935
1936 AC_SUBST(EXTRA_CFLAGS)
1937 ])dnl
1938 dnl ---------------------------------------------------------------------------
1939 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
1940 dnl ----------------
1941 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1942 dnl unistd.h or (nonstandard) in getopt.h
1943 AC_DEFUN([CF_GETOPT_HEADER],
1944 [
1945 AC_HAVE_HEADERS(unistd.h getopt.h)
1946 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1947 cf_cv_getopt_header=none
1948 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1949 do
1950 AC_TRY_COMPILE([
1951 #include <$cf_header>],
1952 [int x = optind; char *y = optarg],
1953 [cf_cv_getopt_header=$cf_header
1954  break])
1955 done
1956 ])
1957 if test $cf_cv_getopt_header != none ; then
1958         AC_DEFINE(HAVE_GETOPT_HEADER)
1959 fi
1960 ])dnl
1961 dnl ---------------------------------------------------------------------------
1962 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1963 dnl ----------------
1964 AC_DEFUN([CF_GNAT_GENERICS],
1965 [
1966 AC_REQUIRE([CF_GNAT_VERSION])
1967
1968 AC_MSG_CHECKING(if GNAT supports generics)
1969 case $cf_gnat_version in #(vi
1970 3.[[1-9]]*|[[4-9]].*) #(vi
1971         cf_gnat_generics=yes
1972         ;;
1973 *)
1974         cf_gnat_generics=no
1975         ;;
1976 esac
1977 AC_MSG_RESULT($cf_gnat_generics)
1978
1979 if test "$cf_gnat_generics" = yes
1980 then
1981         cf_compile_generics=generics
1982         cf_generic_objects="\${GENOBJS}"
1983 else
1984         cf_compile_generics=
1985         cf_generic_objects=
1986 fi
1987
1988 AC_SUBST(cf_compile_generics)
1989 AC_SUBST(cf_generic_objects)
1990 ])dnl
1991 dnl ---------------------------------------------------------------------------
1992 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1993 dnl --------------------
1994 dnl Check if the gnat pragma "Unreferenced" works.
1995 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1996 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1997 CF_GNAT_TRY_LINK([procedure conftest;],
1998 [with Text_IO;
1999 with GNAT.OS_Lib;
2000 procedure conftest is
2001    test : Integer;
2002    pragma Unreferenced (test);
2003 begin
2004    test := 1;
2005    Text_IO.Put ("Hello World");
2006    Text_IO.New_Line;
2007    GNAT.OS_Lib.OS_Exit (0);
2008 end conftest;],
2009         [cf_cv_pragma_unreferenced=yes],
2010         [cf_cv_pragma_unreferenced=no])])
2011
2012 # if the pragma is supported, use it (needed in the Trace code).
2013 if test $cf_cv_pragma_unreferenced = yes ; then
2014         PRAGMA_UNREF=TRUE
2015 else
2016         PRAGMA_UNREF=FALSE
2017 fi
2018 AC_SUBST(PRAGMA_UNREF)
2019 ])dnl
2020 dnl ---------------------------------------------------------------------------
2021 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
2022 dnl ----------------
2023 dnl GNAT projects are configured with ".gpr" project files.
2024 dnl GNAT libraries are a further development, using the project feature.
2025 AC_DEFUN([CF_GNAT_PROJECTS],
2026 [
2027 AC_REQUIRE([CF_GNAT_VERSION])
2028
2029 cf_gnat_libraries=no
2030 cf_gnat_projects=no
2031
2032 AC_MSG_CHECKING(if GNAT supports project files)
2033 case $cf_gnat_version in #(vi
2034 3.[[0-9]]*) #(vi
2035         ;;
2036 *)
2037         case $cf_cv_system_name in #(vi
2038         cygwin*) #(vi
2039                 ;;
2040         *)
2041                 mkdir conftest.src conftest.bin conftest.lib
2042                 cd conftest.src
2043                 rm -rf conftest* *~conftest*
2044                 cat >>library.gpr <<CF_EOF
2045 project Library is
2046   Kind := External ("LIB_KIND");
2047   for Library_Name use "ConfTest";
2048   for Object_Dir use ".";
2049   for Library_ALI_Dir use External("LIBRARY_DIR");
2050   for Library_Version use External ("SONAME");
2051   for Library_Kind use Kind;
2052   for Library_Dir use External("BUILD_DIR");
2053   Source_Dir := External ("SOURCE_DIR");
2054   for Source_Dirs use (Source_Dir);
2055   package Compiler is
2056      for Default_Switches ("Ada") use
2057        ("-g",
2058         "-O2",
2059         "-gnatafno",
2060         "-gnatVa",   -- All validity checks
2061         "-gnatwa");  -- Activate all optional errors
2062   end Compiler;
2063 end Library;
2064 CF_EOF
2065                 cat >>confpackage.ads <<CF_EOF
2066 package ConfPackage is
2067    procedure conftest;
2068 end ConfPackage;
2069 CF_EOF
2070                 cat >>confpackage.adb <<CF_EOF
2071 with Text_IO;
2072 package body ConfPackage is
2073    procedure conftest is
2074    begin
2075       Text_IO.Put ("Hello World");
2076       Text_IO.New_Line;
2077    end conftest;
2078 end ConfPackage;
2079 CF_EOF
2080                 if ( $cf_ada_make $ADAFLAGS \
2081                                 -Plibrary.gpr \
2082                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2083                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2084                                 -XSOURCE_DIR=`pwd` \
2085                                 -XSONAME=libConfTest.so.1 \
2086                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2087                         cf_gnat_projects=yes
2088                 fi
2089                 cd ..
2090                 if test -f conftest.lib/confpackage.ali
2091                 then
2092                         cf_gnat_libraries=yes
2093                 fi
2094                 rm -rf conftest* *~conftest*
2095                 ;;
2096         esac
2097         ;;
2098 esac
2099 AC_MSG_RESULT($cf_gnat_projects)
2100
2101 if test $cf_gnat_projects = yes
2102 then
2103         AC_MSG_CHECKING(if GNAT supports libraries)
2104         AC_MSG_RESULT($cf_gnat_libraries)
2105 fi
2106
2107 if test "$cf_gnat_projects" = yes
2108 then
2109         USE_OLD_MAKERULES="#"
2110         USE_GNAT_PROJECTS=""
2111 else
2112         USE_OLD_MAKERULES=""
2113         USE_GNAT_PROJECTS="#"
2114 fi
2115
2116 if test "$cf_gnat_libraries" = yes
2117 then
2118         USE_GNAT_LIBRARIES=""
2119 else
2120         USE_GNAT_LIBRARIES="#"
2121 fi
2122
2123 AC_SUBST(USE_OLD_MAKERULES)
2124 AC_SUBST(USE_GNAT_PROJECTS)
2125 AC_SUBST(USE_GNAT_LIBRARIES)
2126 ])dnl
2127 dnl ---------------------------------------------------------------------------
2128 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2129 dnl --------------
2130 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2131 dnl is noted that gnat may compile a tasking unit even for configurations which
2132 dnl fail at runtime.
2133 AC_DEFUN([CF_GNAT_SIGINT],[
2134 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2135 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2136
2137 package ConfTest is
2138
2139    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2140    pragma Unreserve_All_Interrupts;
2141    pragma Warnings (On);
2142
2143    protected Process is
2144       procedure Stop;
2145       function Continue return Boolean;
2146       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2147    private
2148       Done : Boolean := False;
2149    end Process;
2150
2151 end ConfTest;],
2152 [package body ConfTest is
2153    protected body Process is
2154       procedure Stop is
2155       begin
2156          Done := True;
2157       end Stop;
2158       function Continue return Boolean is
2159       begin
2160          return not Done;
2161       end Continue;
2162    end Process;
2163 end ConfTest;],
2164         [cf_cv_gnat_sigint=yes],
2165         [cf_cv_gnat_sigint=no])])
2166
2167 if test $cf_cv_gnat_sigint = yes ; then
2168         USE_GNAT_SIGINT=""
2169 else
2170         USE_GNAT_SIGINT="#"
2171 fi
2172 AC_SUBST(USE_GNAT_SIGINT)
2173 ])dnl
2174 dnl ---------------------------------------------------------------------------
2175 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2176 dnl ----------------
2177 dnl Verify that a test program compiles/links with GNAT.
2178 dnl $cf_ada_make is set to the program that compiles/links
2179 dnl $ADAFLAGS may be set to the GNAT flags.
2180 dnl
2181 dnl $1 is the text of the spec
2182 dnl $2 is the text of the body
2183 dnl $3 is the shell command to execute if successful
2184 dnl $4 is the shell command to execute if not successful
2185 AC_DEFUN([CF_GNAT_TRY_LINK],
2186 [
2187 rm -rf conftest* *~conftest*
2188 cat >>conftest.ads <<CF_EOF
2189 $1
2190 CF_EOF
2191 cat >>conftest.adb <<CF_EOF
2192 $2
2193 CF_EOF
2194 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2195 ifelse($3,,      :,[      $3])
2196 ifelse($4,,,[else
2197    $4])
2198 fi
2199 rm -rf conftest* *~conftest*
2200 ])dnl
2201 dnl ---------------------------------------------------------------------------
2202 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2203 dnl ---------------
2204 dnl Verify that a test program compiles and runs with GNAT
2205 dnl $cf_ada_make is set to the program that compiles/links
2206 dnl $ADAFLAGS may be set to the GNAT flags.
2207 dnl
2208 dnl $1 is the text of the spec
2209 dnl $2 is the text of the body
2210 dnl $3 is the shell command to execute if successful
2211 dnl $4 is the shell command to execute if not successful
2212 AC_DEFUN([CF_GNAT_TRY_RUN],
2213 [
2214 rm -rf conftest* *~conftest*
2215 cat >>conftest.ads <<CF_EOF
2216 $1
2217 CF_EOF
2218 cat >>conftest.adb <<CF_EOF
2219 $2
2220 CF_EOF
2221 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2222    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2223 ifelse($3,,      :,[      $3])
2224 ifelse($4,,,[   else
2225       $4])
2226    fi
2227 ifelse($4,,,[else
2228    $4])
2229 fi
2230 rm -rf conftest* *~conftest*
2231 ])dnl
2232 dnl ---------------------------------------------------------------------------
2233 dnl CF_GNAT_VERSION version: 17 updated: 2011/03/23 20:24:41
2234 dnl ---------------
2235 dnl Verify version of GNAT.
2236 AC_DEFUN([CF_GNAT_VERSION],
2237 [
2238 AC_MSG_CHECKING(for gnat version)
2239 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2240         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2241     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2242 AC_MSG_RESULT($cf_gnat_version)
2243
2244 case $cf_gnat_version in #(vi
2245 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
2246         cf_cv_prog_gnat_correct=yes
2247         ;;
2248 *)
2249         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2250         cf_cv_prog_gnat_correct=no
2251         ;;
2252 esac
2253 ])
2254 dnl ---------------------------------------------------------------------------
2255 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2256 dnl -------------
2257 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2258 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2259 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2260 dnl since it is interwoven with GNU extensions.
2261 dnl
2262 dnl Well, yes we could work around it...
2263 AC_DEFUN([CF_GNU_SOURCE],
2264 [
2265 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2266 AC_TRY_COMPILE([#include <sys/types.h>],[
2267 #ifndef _XOPEN_SOURCE
2268 make an error
2269 #endif],
2270         [cf_cv_gnu_source=no],
2271         [cf_save="$CPPFLAGS"
2272          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2273          AC_TRY_COMPILE([#include <sys/types.h>],[
2274 #ifdef _XOPEN_SOURCE
2275 make an error
2276 #endif],
2277         [cf_cv_gnu_source=no],
2278         [cf_cv_gnu_source=yes])
2279         CPPFLAGS="$cf_save"
2280         ])
2281 ])
2282 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2283 ])dnl
2284 dnl ---------------------------------------------------------------------------
2285 dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
2286 dnl --------------
2287 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2288 dnl problem :-).  If we have the compiler but no library, we'll be able to
2289 dnl configure, but won't be able to build the c++ demo program.
2290 AC_DEFUN([CF_GPP_LIBRARY],
2291 [
2292 cf_cxx_library=unknown
2293 case $cf_cv_system_name in #(vi
2294 os2*) #(vi
2295         cf_gpp_libname=gpp
2296         ;;
2297 *)
2298         cf_gpp_libname=g++
2299         ;;
2300 esac
2301 if test "$GXX" = yes; then
2302         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2303         cf_save="$LIBS"
2304         CF_ADD_LIB($cf_gpp_libname)
2305         AC_TRY_LINK([
2306 #include <$cf_gpp_libname/builtin.h>
2307         ],
2308         [two_arg_error_handler_t foo2 = lib_error_handler],
2309         [cf_cxx_library=yes
2310          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2311          if test "$cf_gpp_libname" = cpp ; then
2312             AC_DEFINE(HAVE_GPP_BUILTIN_H)
2313          else
2314             AC_DEFINE(HAVE_GXX_BUILTIN_H)
2315          fi],
2316         [AC_TRY_LINK([
2317 #include <builtin.h>
2318         ],
2319         [two_arg_error_handler_t foo2 = lib_error_handler],
2320         [cf_cxx_library=yes
2321          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2322          AC_DEFINE(HAVE_BUILTIN_H)],
2323         [cf_cxx_library=no])])
2324         LIBS="$cf_save"
2325         AC_MSG_RESULT($cf_cxx_library)
2326 fi
2327 ])dnl
2328 dnl ---------------------------------------------------------------------------
2329 dnl CF_GXX_VERSION version: 6 updated: 2010/10/23 15:44:18
2330 dnl --------------
2331 dnl Check for version of g++
2332 AC_DEFUN([CF_GXX_VERSION],[
2333 AC_REQUIRE([AC_PROG_CPP])
2334 GXX_VERSION=none
2335 if test "$GXX" = yes; then
2336         AC_MSG_CHECKING(version of g++)
2337         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2338         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2339         AC_MSG_RESULT($GXX_VERSION)
2340 fi
2341 ])dnl
2342 dnl ---------------------------------------------------------------------------
2343 dnl CF_GXX_WARNINGS version: 6 updated: 2010/08/14 18:25:37
2344 dnl ---------------
2345 dnl Check if the compiler supports useful warning options.
2346 dnl
2347 dnl Most of gcc's options apply to g++, except:
2348 dnl     -Wbad-function-cast
2349 dnl     -Wmissing-declarations
2350 dnl     -Wnested-externs
2351 dnl
2352 dnl Omit a few (for now):
2353 dnl     -Winline
2354 dnl
2355 dnl Parameter:
2356 dnl     $1 is an optional list of g++ warning flags that a particular
2357 dnl             application might want to use, e.g., "no-unused" for
2358 dnl             -Wno-unused
2359 dnl Special:
2360 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2361 dnl
2362 AC_DEFUN([CF_GXX_WARNINGS],
2363 [
2364
2365 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2366
2367 AC_REQUIRE([CF_GXX_VERSION])
2368
2369 AC_LANG_SAVE
2370 AC_LANG_CPLUSPLUS
2371
2372 cat > conftest.$ac_ext <<EOF
2373 #line __oline__ "configure"
2374 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2375 EOF
2376
2377 if test "$INTEL_CPLUSPLUS" = yes
2378 then
2379 # The "-wdXXX" options suppress warnings:
2380 # remark #1419: external declaration in primary source file
2381 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2382 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2383 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2384 # remark #193: zero used for undefined preprocessing identifier
2385 # remark #593: variable "curs_sb_left_arrow" was set but never used
2386 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2387 # remark #869: parameter "tw" was never referenced
2388 # remark #981: operands are evaluated in unspecified order
2389 # warning #269: invalid format string conversion
2390
2391         AC_CHECKING([for $CC warning options])
2392         cf_save_CXXFLAGS="$CXXFLAGS"
2393         EXTRA_CXXFLAGS="-Wall"
2394         for cf_opt in \
2395                 wd1419 \
2396                 wd1682 \
2397                 wd1683 \
2398                 wd1684 \
2399                 wd193 \
2400                 wd279 \
2401                 wd593 \
2402                 wd810 \
2403                 wd869 \
2404                 wd981
2405         do
2406                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2407                 if AC_TRY_EVAL(ac_compile); then
2408                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2409                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2410                 fi
2411         done
2412         CXXFLAGS="$cf_save_CXXFLAGS"
2413
2414 elif test "$GXX" = yes
2415 then
2416         AC_CHECKING([for $CXX warning options])
2417         cf_save_CXXFLAGS="$CXXFLAGS"
2418         EXTRA_CXXFLAGS="-W -Wall"
2419         cf_gxx_extra_warnings=""
2420         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2421         case "$GCC_VERSION" in
2422         [[1-2]].*)
2423                 ;;
2424         *)
2425                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2426                 ;;
2427         esac
2428         for cf_opt in \
2429                 Wabi \
2430                 fabi-version=0 \
2431                 Woverloaded-virtual \
2432                 Wsign-promo \
2433                 Wsynth \
2434                 Wold-style-cast \
2435                 Wcast-align \
2436                 Wcast-qual \
2437                 Wmissing-prototypes \
2438                 Wpointer-arith \
2439                 Wshadow \
2440                 Wstrict-prototypes \
2441                 Wundef $cf_gxx_extra_warnings $1
2442         do
2443                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2444                 if AC_TRY_EVAL(ac_compile); then
2445                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2446                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2447                 else
2448                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2449                 fi
2450         done
2451         CXXFLAGS="$cf_save_CXXFLAGS"
2452 fi
2453
2454 rm -rf conftest*
2455 AC_LANG_RESTORE
2456 AC_SUBST(EXTRA_CXXFLAGS)
2457 ])dnl
2458 dnl ---------------------------------------------------------------------------
2459 dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
2460 dnl ------------
2461 dnl Look for an instance of the Berkeley hashed database.
2462 dnl
2463 dnl $1 = optional parameter, to specify install-prefix for the database.
2464 AC_DEFUN([CF_HASHED_DB],
2465 [
2466 ifelse([$1],,,[
2467 case $1 in #(vi
2468 yes|*able*) #(vi
2469     ;;
2470 *)
2471     if test -d "$1" ; then
2472         CF_ADD_INCDIR($1/include)
2473         CF_ADD_LIBDIR($1/lib)
2474     fi
2475 esac
2476 ])
2477 AC_CHECK_HEADER(db.h,[
2478 CF_HASHED_DB_VERSION
2479 if test "$cf_cv_hashed_db_version" = unknown ; then
2480         AC_MSG_ERROR(Cannot determine version of db)
2481 else
2482         CF_HASHED_DB_LIBS
2483         if test "$cf_cv_hashed_db_libs" = unknown ; then
2484                 AC_MSG_ERROR(Cannot determine library for db)
2485         elif test "$cf_cv_hashed_db_libs" != default ; then
2486                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2487         fi
2488 fi
2489 ],[
2490         AC_MSG_ERROR(Cannot find db.h)
2491 ])
2492 ])dnl
2493 dnl ---------------------------------------------------------------------------
2494 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2495 dnl -----------------
2496 dnl Given that we have the header and version for hashed database, find the
2497 dnl library information.
2498 AC_DEFUN([CF_HASHED_DB_LIBS],
2499 [
2500 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2501 cf_cv_hashed_db_libs=unknown
2502 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2503 do
2504         cf_save_libs="$LIBS"
2505         if test -n "$cf_db_libs"; then
2506                 CF_ADD_LIB($cf_db_libs)
2507         fi
2508         CF_MSG_LOG(checking for library "$cf_db_libs")
2509         AC_TRY_LINK([
2510 $ac_includes_default
2511 #include <db.h>
2512 ],[
2513         char *path = "/tmp/foo";
2514 #ifdef DB_VERSION_MAJOR
2515 #if DB_VERSION_MAJOR >= 4
2516         DB *result = 0;
2517         db_create(&result, NULL, 0);
2518         result->open(result,
2519                 NULL,
2520                 path,
2521                 path,
2522                 DB_HASH,
2523                 DB_CREATE,
2524                 0644);
2525 #elif DB_VERSION_MAJOR >= 3
2526         DB *result = 0;
2527         db_create(&result, NULL, 0);
2528         result->open(result,
2529                 path,
2530                 path,
2531                 DB_HASH,
2532                 DB_CREATE,
2533                 0644);
2534 #elif DB_VERSION_MAJOR >= 2
2535         DB *result = 0;
2536         db_open(path,
2537                 DB_HASH,
2538                 DB_CREATE,
2539                 0644,
2540                 (DB_ENV *) 0,
2541                 (DB_INFO *) 0,
2542                 &result);
2543 #endif /* DB_VERSION_MAJOR */
2544 #else
2545         DB *result = dbopen(path,
2546                      2,
2547                      0644,
2548                      DB_HASH,
2549                      0);
2550 #endif
2551         ${cf_cv_main_return:-return}(result != 0)
2552 ],[
2553         if test -n "$cf_db_libs" ; then
2554                 cf_cv_hashed_db_libs=$cf_db_libs
2555         else
2556                 cf_cv_hashed_db_libs=default
2557         fi
2558         LIBS="$cf_save_libs"
2559         break
2560 ])
2561         LIBS="$cf_save_libs"
2562 done
2563 ])
2564 ])dnl
2565 dnl ---------------------------------------------------------------------------
2566 dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
2567 dnl --------------------
2568 dnl Given that we have the header file for hashed database, find the version
2569 dnl information.
2570 AC_DEFUN([CF_HASHED_DB_VERSION],
2571 [
2572 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2573 cf_cv_hashed_db_version=unknown
2574
2575 for cf_db_version in 1 2 3 4 5
2576 do
2577         CF_MSG_LOG(checking for db version $cf_db_version)
2578         AC_TRY_COMPILE([
2579 $ac_includes_default
2580 #include <db.h>
2581
2582 #ifdef DB_VERSION_MAJOR
2583         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2584 #if $cf_db_version == DB_VERSION_MAJOR
2585         /* ok */
2586 #else
2587         make an error
2588 #endif
2589 #else
2590 #if $cf_db_version == 1
2591         /* ok: assuming this is DB 1.8.5 */
2592 #else
2593         make an error
2594 #endif
2595 #endif
2596 ],[DBT *foo = 0],[
2597         cf_cv_hashed_db_version=$cf_db_version
2598         break
2599         ])
2600 done
2601 ])
2602 ])dnl
2603 dnl ---------------------------------------------------------------------------
2604 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2605 dnl --------------
2606 dnl Construct a search-list of directories for a nonstandard header-file
2607 dnl
2608 dnl Parameters
2609 dnl     $1 = the variable to return as result
2610 dnl     $2 = the package name
2611 AC_DEFUN([CF_HEADER_PATH],
2612 [
2613 $1=
2614
2615 # collect the current set of include-directories from compiler flags
2616 cf_header_path_list=""
2617 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2618         for cf_header_path in $CPPFLAGS $CFLAGS
2619         do
2620                 case $cf_header_path in #(vi
2621                 -I*)
2622                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2623                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2624                         cf_header_path_list="$cf_header_path_list [$]$1"
2625                         ;;
2626                 esac
2627         done
2628 fi
2629
2630 # add the variations for the package we are looking for
2631 CF_SUBDIR_PATH($1,$2,include)
2632
2633 test "$includedir" != NONE && \
2634 test "$includedir" != "/usr/include" && \
2635 test -d "$includedir" && {
2636         test -d $includedir &&    $1="[$]$1 $includedir"
2637         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2638 }
2639
2640 test "$oldincludedir" != NONE && \
2641 test "$oldincludedir" != "/usr/include" && \
2642 test -d "$oldincludedir" && {
2643         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2644         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2645 }
2646
2647 $1="[$]$1 $cf_header_path_list"
2648 ])dnl
2649 dnl ---------------------------------------------------------------------------
2650 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2651 dnl ---------------
2652 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2653 AC_DEFUN([CF_HELP_MESSAGE],
2654 [AC_DIVERT_HELP([$1])dnl
2655 ])dnl
2656 dnl ---------------------------------------------------------------------------
2657 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2658 dnl ---------------
2659 dnl Construct the list of include-options according to whether we're building
2660 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2661 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2662 dnl since that usually breaks gcc's shadow-includes.
2663 AC_DEFUN([CF_INCLUDE_DIRS],
2664 [
2665 CPPFLAGS="$CPPFLAGS -I. -I../include"
2666 if test "$srcdir" != "."; then
2667         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2668 fi
2669 if test "$GCC" != yes; then
2670         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2671 elif test "$includedir" != "/usr/include"; then
2672         if test "$includedir" = '${prefix}/include' ; then
2673                 if test $prefix != /usr ; then
2674                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2675                 fi
2676         else
2677                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2678         fi
2679 fi
2680 AC_SUBST(CPPFLAGS)
2681 ])dnl
2682 dnl ---------------------------------------------------------------------------
2683 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2684 dnl -----------------
2685 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2686 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2687 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2688 dnl
2689 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2690 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2691 dnl the wrappers for gcc and g++ warnings.
2692 dnl
2693 dnl $1 = GCC (default) or GXX
2694 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2695 dnl $3 = CFLAGS (default) or CXXFLAGS
2696 AC_DEFUN([CF_INTEL_COMPILER],[
2697 ifelse([$2],,INTEL_COMPILER,[$2])=no
2698
2699 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2700         case $host_os in
2701         linux*|gnu*)
2702                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2703                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2704                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2705                 AC_TRY_COMPILE([],[
2706 #ifdef __INTEL_COMPILER
2707 #else
2708 make an error
2709 #endif
2710 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2711 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2712 ],[])
2713                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2714                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2715                 ;;
2716         esac
2717 fi
2718 ])dnl
2719 dnl ---------------------------------------------------------------------------
2720 dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
2721 dnl ----------
2722 dnl Check if we have either a function or macro for 'isascii()'.
2723 AC_DEFUN([CF_ISASCII],
2724 [
2725 AC_MSG_CHECKING(for isascii)
2726 AC_CACHE_VAL(cf_cv_have_isascii,[
2727         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2728         [cf_cv_have_isascii=yes],
2729         [cf_cv_have_isascii=no])
2730 ])dnl
2731 AC_MSG_RESULT($cf_cv_have_isascii)
2732 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
2733 ])dnl
2734 dnl ---------------------------------------------------------------------------
2735 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2736 dnl ------------
2737 dnl Add checks for large file support.
2738 AC_DEFUN([CF_LARGEFILE],[
2739 ifdef([AC_FUNC_FSEEKO],[
2740     AC_SYS_LARGEFILE
2741     if test "$enable_largefile" != no ; then
2742         AC_FUNC_FSEEKO
2743
2744         # Normally we would collect these definitions in the config.h,
2745         # but (like _XOPEN_SOURCE), some environments rely on having these
2746         # defined before any of the system headers are included.  Another
2747         # case comes up with C++, e.g., on AIX the compiler compiles the
2748         # header files by themselves before looking at the body files it is
2749         # told to compile.  For ncurses, those header files do not include
2750         # the config.h
2751         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2752         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2753         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2754
2755         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2756                 AC_TRY_COMPILE([
2757 #include <sys/types.h>
2758 #include <dirent.h>
2759                 ],[
2760                 /* if transitional largefile support is setup, this is true */
2761                 extern struct dirent64 * readdir(DIR *);
2762                 struct dirent64 *x = readdir((DIR *)0);
2763                 struct dirent *y = readdir((DIR *)0);
2764                 int z = x - y;
2765                 ],
2766                 [cf_cv_struct_dirent64=yes],
2767                 [cf_cv_struct_dirent64=no])
2768         ])
2769         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2770     fi
2771 ])
2772 ])
2773 dnl ---------------------------------------------------------------------------
2774 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2775 dnl -----------------
2776 dnl Check for compiler/linker flags used to temporarily force usage of static
2777 dnl libraries.  This depends on the compiler and platform.  Use this to help
2778 dnl ensure that the linker picks up a given library based on its position in
2779 dnl the list of linker options and libraries.
2780 AC_DEFUN([CF_LDFLAGS_STATIC],[
2781
2782 if test "$GCC" = yes ; then
2783         case $cf_cv_system_name in #(
2784         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2785                 LDFLAGS_STATIC=
2786                 LDFLAGS_SHARED=
2787                 ;;
2788     *)  #( normally, except when broken
2789         LDFLAGS_STATIC=-static
2790         LDFLAGS_SHARED=-dynamic
2791         ;;
2792     esac
2793 else
2794         case $cf_cv_system_name in #(
2795         aix[[4-7]]*)    #( from ld manpage
2796                 LDFLAGS_STATIC=-bstatic
2797                 LDFLAGS_SHARED=-bdynamic
2798                 ;;
2799         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2800                 # We could also use just "archive" and "shared".
2801                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2802                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2803                 ;;
2804         irix*)          #( from ld manpage IRIX64
2805                 LDFLAGS_STATIC=-Bstatic
2806                 LDFLAGS_SHARED=-Bdynamic
2807                 ;;
2808         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2809                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2810                 LDFLAGS_STATIC=-noso
2811                 LDFLAGS_SHARED=-so_archive
2812                 ;;
2813         solaris2*)
2814                 LDFLAGS_STATIC=-Bstatic
2815                 LDFLAGS_SHARED=-Bdynamic
2816                 ;;
2817         esac
2818 fi
2819
2820 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2821 then
2822         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2823
2824         rm -f libconftest.a
2825         cat >conftest.$ac_ext <<EOF
2826 #line __oline__ "configure"
2827 #include <stdio.h>
2828 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
2829 EOF
2830         if AC_TRY_EVAL(ac_compile) ; then
2831                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
2832                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
2833         fi
2834         rm -f conftest.*
2835
2836         cf_save_LIBS="$LIBS"
2837
2838         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
2839         AC_TRY_LINK([
2840 #line __oline__ "configure"
2841 #include <stdio.h>
2842 int cf_ldflags_static(FILE *fp);
2843 ],[
2844         return cf_ldflags_static(stdin);
2845 ],[
2846         # some linkers simply ignore the -dynamic
2847         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
2848         *static*) # (vi
2849                 cf_ldflags_static=no
2850                 ;;
2851         *)
2852                 cf_ldflags_static=yes
2853                 ;;
2854         esac
2855 ],[cf_ldflags_static=no])
2856
2857         rm -f libconftest.*
2858         LIBS="$cf_save_LIBS"
2859
2860         AC_MSG_RESULT($cf_ldflags_static)
2861
2862         if test $cf_ldflags_static != yes
2863         then
2864                 LDFLAGS_STATIC=
2865                 LDFLAGS_SHARED=
2866         fi
2867 else
2868         LDFLAGS_STATIC=
2869         LDFLAGS_SHARED=
2870 fi
2871
2872 AC_SUBST(LDFLAGS_STATIC)
2873 AC_SUBST(LDFLAGS_SHARED)
2874 ])
2875 dnl ---------------------------------------------------------------------------
2876 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
2877 dnl ---------------
2878 dnl For the given system and compiler, find the compiler flags to pass to the
2879 dnl loader to use the "rpath" feature.
2880 AC_DEFUN([CF_LD_RPATH_OPT],
2881 [
2882 AC_REQUIRE([CF_CHECK_CACHE])
2883
2884 LD_RPATH_OPT=
2885 AC_MSG_CHECKING(for an rpath option)
2886 case $cf_cv_system_name in #(vi
2887 irix*) #(vi
2888         if test "$GCC" = yes; then
2889                 LD_RPATH_OPT="-Wl,-rpath,"
2890         else
2891                 LD_RPATH_OPT="-rpath "
2892         fi
2893         ;;
2894 linux*|gnu*|k*bsd*-gnu) #(vi
2895         LD_RPATH_OPT="-Wl,-rpath,"
2896         ;;
2897 openbsd[[2-9]].*|mirbsd*) #(vi
2898         LD_RPATH_OPT="-Wl,-rpath,"
2899         ;;
2900 dragonfly*|freebsd*) #(vi
2901         LD_RPATH_OPT="-rpath "
2902         ;;
2903 netbsd*) #(vi
2904         LD_RPATH_OPT="-Wl,-rpath,"
2905         ;;
2906 osf*|mls+*) #(vi
2907         LD_RPATH_OPT="-rpath "
2908         ;;
2909 solaris2*) #(vi
2910         LD_RPATH_OPT="-R"
2911         ;;
2912 *)
2913         ;;
2914 esac
2915 AC_MSG_RESULT($LD_RPATH_OPT)
2916
2917 case "x$LD_RPATH_OPT" in #(vi
2918 x-R*)
2919         AC_MSG_CHECKING(if we need a space after rpath option)
2920         cf_save_LIBS="$LIBS"
2921         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2922         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2923         LIBS="$cf_save_LIBS"
2924         AC_MSG_RESULT($cf_rpath_space)
2925         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2926         ;;
2927 esac
2928 ])dnl
2929 dnl ---------------------------------------------------------------------------
2930 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
2931 dnl ---------------
2932 dnl Construct a search-list of directories for a nonstandard library-file
2933 dnl
2934 dnl Parameters
2935 dnl     $1 = the variable to return as result
2936 dnl     $2 = the package name
2937 AC_DEFUN([CF_LIBRARY_PATH],
2938 [
2939 $1=
2940 cf_library_path_list=""
2941 if test -n "${LDFLAGS}${LIBS}" ; then
2942         for cf_library_path in $LDFLAGS $LIBS
2943         do
2944                 case $cf_library_path in #(vi
2945                 -L*)
2946                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2947                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2948                         cf_library_path_list="$cf_library_path_list [$]$1"
2949                         ;;
2950                 esac
2951         done
2952 fi
2953
2954 CF_SUBDIR_PATH($1,$2,lib)
2955
2956 $1="$cf_library_path_list [$]$1"
2957 ])dnl
2958 dnl ---------------------------------------------------------------------------
2959 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
2960 dnl -------------
2961 dnl Compute the library-prefix for the given host system
2962 dnl $1 = variable to set
2963 AC_DEFUN([CF_LIB_PREFIX],
2964 [
2965         case $cf_cv_system_name in #(vi
2966         OS/2*|os2*) #(vi
2967         LIB_PREFIX=''
2968         ;;
2969         *)      LIB_PREFIX='lib'
2970         ;;
2971         esac
2972 ifelse($1,,,[$1=$LIB_PREFIX])
2973         AC_SUBST(LIB_PREFIX)
2974 ])dnl
2975 dnl ---------------------------------------------------------------------------
2976 dnl CF_LIB_RULES version: 62 updated: 2011/12/17 16:17:33
2977 dnl ------------
2978 dnl Append definitions and rules for the given models to the subdirectory
2979 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
2980 dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
2981 dnl the corresponding makefile to list the models that we'll generate.
2982 dnl
2983 dnl For shared libraries, make a list of symbolic links to construct when
2984 dnl generating each library.  The convention used for Linux is the simplest
2985 dnl one:
2986 dnl     lib<name>.so    ->
2987 dnl     lib<name>.so.<major>    ->
2988 dnl     lib<name>.so.<maj>.<minor>
2989 AC_DEFUN([CF_LIB_RULES],
2990 [
2991 CF_LIB_PREFIX(cf_prefix)
2992 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2993
2994 if test $cf_cv_shlib_version = cygdll ; then
2995         TINFO_NAME=$TINFO_ARG_SUFFIX
2996         TINFO_SUFFIX=.dll
2997 fi
2998
2999 if test -n "$TINFO_SUFFIX" ; then
3000         case $TINFO_SUFFIX in
3001         tw*)
3002                 TINFO_NAME="${TINFO_NAME}tw"
3003                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3004                 ;;
3005         t*)
3006                 TINFO_NAME="${TINFO_NAME}t"
3007                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3008                 ;;
3009         w*)
3010                 TINFO_NAME="${TINFO_NAME}w"
3011                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3012                 ;;
3013         esac
3014 fi
3015
3016 for cf_dir in $SRC_SUBDIRS
3017 do
3018         if test ! -d $srcdir/$cf_dir ; then
3019                 continue
3020         elif test -f $srcdir/$cf_dir/modules; then
3021
3022                 SHARED_LIB=
3023                 LIBS_TO_MAKE=
3024                 for cf_item in $cf_LIST_MODELS
3025                 do
3026                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3027                         if test $cf_item = shared ; then
3028                         if test "$cf_cv_do_symlinks" = yes ; then
3029                                 case "$cf_cv_shlib_version" in #(vi
3030                                 rel) #(vi
3031                                         case "$cf_cv_system_name" in #(vi
3032                                         darwin*)
3033                                         case .${LIB_SUFFIX} in
3034                                         .tw*)
3035                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3036                                                 cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
3037                                                 ;;
3038                                         .t*)
3039                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3040                                                 cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
3041                                                 ;;
3042                                         .w*)
3043                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3044                                                 cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
3045                                                 ;;
3046                                         *)
3047                                                 cf_suffix='.${REL_VERSION}'"$cf_suffix"
3048                                                 ;;
3049                                         esac
3050                                         ;; #(vi
3051                                         *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
3052                                         esac
3053                                         ;;
3054                                 abi)
3055                                         case "$cf_cv_system_name" in #(vi
3056                                         darwin*)
3057                                         case .${LIB_SUFFIX} in
3058                                         .tw*)
3059                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3060                                                 cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
3061                                                 ;;
3062                                         .t*)
3063                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3064                                                 cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
3065                                                 ;;
3066                                         .w*)
3067                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3068                                                 cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
3069                                                 ;;
3070                                         *)
3071                                                 cf_suffix='.${ABI_VERSION}'"$cf_suffix"
3072                                                 ;;
3073                                         esac
3074                                         ;; #(vi
3075                                         *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
3076                                         esac
3077                                         ;;
3078                                 esac
3079                         fi
3080                         # cygwin needs import library, and has unique naming convention
3081                         # use autodetected ${cf_prefix} for import lib and static lib, but
3082                         # use 'cyg' prefix for shared lib.
3083                         if test $cf_cv_shlib_version = cygdll ; then
3084                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3085                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
3086                                 continue
3087                         fi
3088                         fi
3089                         LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
3090                 done
3091
3092                 if test $cf_dir = ncurses ; then
3093                         cf_subsets="$LIB_SUBSETS"
3094                         cf_r_parts="$cf_subsets"
3095                         cf_liblist="$LIBS_TO_MAKE"
3096
3097                         while test -n "$cf_r_parts"
3098                         do
3099                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3100                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3101                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3102                                         cf_item=
3103                                         case $cf_l_parts in #(vi
3104                                         *termlib*) #(vi
3105                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3106                                                 ;;
3107                                         *ticlib*)
3108                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3109                                                 ;;
3110                                         *)
3111                                                 break
3112                                                 ;;
3113                                         esac
3114                                         if test -n "$cf_item"; then
3115                                                 LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
3116                                         fi
3117                                 else
3118                                         break
3119                                 fi
3120                         done
3121                 else
3122                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3123                 fi
3124
3125                 sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
3126                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3127                         $cf_dir/Makefile >$cf_dir/Makefile.out
3128                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3129
3130                 $AWK -f $srcdir/mk-0th.awk \
3131                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
3132                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3133
3134                 for cf_subset in $cf_subsets
3135                 do
3136                         cf_subdirs=
3137                         for cf_item in $cf_LIST_MODELS
3138                         do
3139                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3140                         CF_UPPER(cf_ITEM,$cf_item)
3141                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3142                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3143
3144                         # Test for case where we build libtinfo with a different name.
3145                         cf_libname=$cf_dir
3146                         if test $cf_dir = ncurses ; then
3147                                 case $cf_subset in
3148                                 *base*)
3149                                         cf_libname=${cf_libname}$LIB_SUFFIX
3150                                         ;;
3151                                 *termlib*)
3152                                         cf_libname=$TINFO_LIB_SUFFIX
3153                                         ;;
3154                                 ticlib*)
3155                                         cf_libname=$TICS_LIB_SUFFIX
3156                                         ;;
3157                                 esac
3158                         else
3159                                 cf_libname=${cf_libname}$LIB_SUFFIX
3160                         fi
3161                         if test -n "${DFT_ARG_SUFFIX}" ; then
3162                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3163                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3164                         fi
3165
3166                         # These dependencies really are for development, not
3167                         # builds, but they are useful in porting, too.
3168                         cf_depend="../include/ncurses_cfg.h"
3169                         if test "$srcdir" = "."; then
3170                                 cf_reldir="."
3171                         else
3172                                 cf_reldir="\${srcdir}"
3173                         fi
3174
3175                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3176                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3177                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3178                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3179                         fi
3180
3181                         cf_dir_suffix=
3182                         old_cf_suffix="$cf_suffix"
3183                         if test "$cf_cv_shlib_version_infix" = yes ; then
3184                         if test -n "$LIB_SUFFIX" ; then
3185                                 case $LIB_SUFFIX in
3186                                 tw*)
3187                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3188                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3189                                         cf_dir_suffix=tw
3190                                         ;;
3191                                 t*)
3192                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3193                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3194                                         cf_dir_suffix=t
3195                                         ;;
3196                                 w*)
3197                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3198                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3199                                         cf_dir_suffix=w
3200                                         ;;
3201                                 esac
3202                         fi
3203                         fi
3204
3205                         $AWK -f $srcdir/mk-1st.awk \
3206                                 name=${cf_libname}${cf_dir_suffix} \
3207                                 traces=$LIB_TRACING \
3208                                 MODEL=$cf_ITEM \
3209                                 model=$cf_subdir \
3210                                 prefix=$cf_prefix \
3211                                 suffix=$cf_suffix \
3212                                 subset=$cf_subset \
3213                                 driver=$cf_cv_term_driver \
3214                                 SymLink="$LN_S" \
3215                                 TermlibRoot=$TINFO_NAME \
3216                                 TermlibSuffix=$TINFO_SUFFIX \
3217                                 ShlibVer=$cf_cv_shlib_version \
3218                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3219                                 ReLink=${cf_cv_do_relink:-no} \
3220                                 DoLinks=$cf_cv_do_symlinks \
3221                                 rmSoLocs=$cf_cv_rm_so_locs \
3222                                 ldconfig="$LDCONFIG" \
3223                                 overwrite=$WITH_OVERWRITE \
3224                                 depend="$cf_depend" \
3225                                 host="$host" \
3226                                 libtool_version="$LIBTOOL_VERSION" \
3227                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3228
3229                         cf_suffix="$old_cf_suffix"
3230
3231                         for cf_subdir2 in $cf_subdirs lib
3232                         do
3233                                 test $cf_subdir = $cf_subdir2 && break
3234                         done
3235                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3236                         $AWK -f $srcdir/mk-2nd.awk \
3237                                 name=$cf_dir \
3238                                 traces=$LIB_TRACING \
3239                                 MODEL=$cf_ITEM \
3240                                 model=$cf_subdir \
3241                                 subset=$cf_subset \
3242                                 srcdir=$srcdir \
3243                                 echo=$WITH_ECHO \
3244                                 crenames=$cf_cv_prog_CC_c_o \
3245                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3246                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3247                         cf_subdirs="$cf_subdirs $cf_subdir"
3248                         done
3249                 done
3250         fi
3251
3252         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
3253 done
3254
3255 for cf_dir in $SRC_SUBDIRS
3256 do
3257         if test ! -d $srcdir/$cf_dir ; then
3258                 continue
3259         fi
3260
3261         if test -f $cf_dir/Makefile ; then
3262                 case "$cf_dir" in
3263                 Ada95) #(vi
3264                         echo 'libs \' >> Makefile
3265                         echo 'install.libs \' >> Makefile
3266                         echo 'uninstall.libs ::' >> Makefile
3267                         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
3268                         ;;
3269                 esac
3270         fi
3271
3272         if test -f $srcdir/$cf_dir/modules; then
3273                 echo >> Makefile
3274                 if test -f $srcdir/$cf_dir/headers; then
3275 cat >> Makefile <<CF_EOF
3276 install.includes \\
3277 uninstall.includes \\
3278 CF_EOF
3279                 fi
3280 if test "$cf_dir" != "c++" ; then
3281 echo 'lint \' >> Makefile
3282 fi
3283 cat >> Makefile <<CF_EOF
3284 libs \\
3285 lintlib \\
3286 install.libs \\
3287 uninstall.libs \\
3288 install.$cf_dir \\
3289 uninstall.$cf_dir ::
3290         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3291 CF_EOF
3292         elif test -f $srcdir/$cf_dir/headers; then
3293 cat >> Makefile <<CF_EOF
3294
3295 libs \\
3296 install.libs \\
3297 uninstall.libs \\
3298 install.includes \\
3299 uninstall.includes ::
3300         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3301 CF_EOF
3302 fi
3303 done
3304
3305 cat >> Makefile <<CF_EOF
3306
3307 install.libs uninstall.libs \\
3308 install.data uninstall.data ::
3309 $MAKE_TERMINFO  cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
3310 CF_EOF
3311
3312 if test "x$cf_with_manpages" = xyes; then
3313 cat >> Makefile <<CF_EOF
3314
3315 install.man \\
3316 uninstall.man ::
3317         cd man && \${MAKE} \${CF_MFLAGS} \[$]@
3318 CF_EOF
3319 fi
3320
3321 cat >> Makefile <<CF_EOF
3322
3323 distclean ::
3324         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3325         rm -f headers.sh headers.sed mk_shared_lib.sh
3326         rm -f edit_man.* man_alias.*
3327         rm -rf \${DIRS_TO_MAKE}
3328 CF_EOF
3329
3330 # Special case: tack's manpage lives in its own directory.
3331 if test "x$cf_with_manpages" = xyes; then
3332 if test -d tack ; then
3333 if test -f $srcdir/$tack.h; then
3334 cat >> Makefile <<CF_EOF
3335
3336 install.man \\
3337 uninstall.man ::
3338         cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
3339 CF_EOF
3340 fi
3341 fi
3342 fi
3343
3344 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3345 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3346 dnl anything, and will make it more standardized.  It's awkward to decide this
3347 dnl at configuration because of quoting, so we'll simply make all headers
3348 dnl installed via a script that can do the right thing.
3349
3350 rm -f headers.sed headers.sh
3351
3352 dnl ( generating this script makes the makefiles a little tidier :-)
3353 echo creating headers.sh
3354 cat >headers.sh <<CF_EOF
3355 #! /bin/sh
3356 # This shell script is generated by the 'configure' script.  It is invoked in a
3357 # subdirectory of the build tree.  It generates a sed-script in the parent
3358 # directory that is used to adjust includes for header files that reside in a
3359 # subdirectory of /usr/include, etc.
3360 PRG=""
3361 while test \[$]# != 3
3362 do
3363 PRG="\$PRG \[$]1"; shift
3364 done
3365 DST=\[$]1
3366 REF=\[$]2
3367 SRC=\[$]3
3368 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3369 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3370 echo installing \$SRC in \$DST
3371 CF_EOF
3372
3373 if test $WITH_CURSES_H = yes; then
3374         cat >>headers.sh <<CF_EOF
3375 case \$DST in
3376 /*/include/*)
3377         END=\`basename \$DST\`
3378         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3379         do
3380                 NAME=\`basename \$i\`
3381                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3382         done
3383         ;;
3384 *)
3385         echo "" >> \$TMPSED
3386         ;;
3387 esac
3388 CF_EOF
3389
3390 else
3391         cat >>headers.sh <<CF_EOF
3392 case \$DST in
3393 /*/include/*)
3394         END=\`basename \$DST\`
3395         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3396         do
3397                 NAME=\`basename \$i\`
3398                 if test "\$NAME" = "curses.h"
3399                 then
3400                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3401                         NAME=ncurses.h
3402                 fi
3403                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3404         done
3405         ;;
3406 *)
3407         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3408         ;;
3409 esac
3410 CF_EOF
3411 fi
3412 cat >>headers.sh <<CF_EOF
3413 rm -f \$TMPSRC
3414 sed -f \$TMPSED \$SRC > \$TMPSRC
3415 NAME=\`basename \$SRC\`
3416 CF_EOF
3417 if test $WITH_CURSES_H != yes; then
3418         cat >>headers.sh <<CF_EOF
3419 test "\$NAME" = "curses.h" && NAME=ncurses.h
3420 CF_EOF
3421 fi
3422 cat >>headers.sh <<CF_EOF
3423 # Just in case someone gzip'd manpages, remove the conflicting copy.
3424 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3425
3426 eval \$PRG \$TMPSRC \$DST/\$NAME
3427 rm -f \$TMPSRC \$TMPSED
3428 CF_EOF
3429
3430 chmod 0755 headers.sh
3431
3432 for cf_dir in $SRC_SUBDIRS
3433 do
3434         if test ! -d $srcdir/$cf_dir ; then
3435                 continue
3436         fi
3437
3438         if test -f $srcdir/$cf_dir/headers; then
3439                 $AWK -f $srcdir/mk-hdr.awk \
3440                         subset="$LIB_SUBSETS" \
3441                         compat="$WITH_CURSES_H" \
3442                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3443         fi
3444
3445         if test -f $srcdir/$cf_dir/modules; then
3446                 if test "$cf_dir" != "c++" ; then
3447                         cat >>$cf_dir/Makefile <<"CF_EOF"
3448 depend : ${AUTO_SRC}
3449         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3450
3451 # DO NOT DELETE THIS LINE -- make depend depends on it.
3452 CF_EOF
3453                 fi
3454         fi
3455 done
3456 AC_SUBST(LIBS_TO_MAKE)
3457 ])dnl
3458 dnl ---------------------------------------------------------------------------
3459 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3460 dnl -------------
3461 dnl Find the and soname for the given shared library.  Set the cache variable
3462 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3463 dnl variable to "unknown".
3464 dnl
3465 dnl $1 = headers
3466 dnl $2 = code
3467 dnl $3 = library name
3468 AC_DEFUN([CF_LIB_SONAME],
3469 [
3470 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3471
3472 cf_cv_$3_soname=unknown
3473 if test "$cross_compiling" != yes ; then
3474 cat >conftest.$ac_ext <<CF_EOF
3475 $1
3476 int main()
3477 {
3478 $2
3479         ${cf_cv_main_return:-return}(0);
3480 }
3481 CF_EOF
3482 cf_save_LIBS="$LIBS"
3483         CF_ADD_LIB($3)
3484         if AC_TRY_EVAL(ac_compile) ; then
3485                 if AC_TRY_EVAL(ac_link) ; then
3486                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3487                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3488                 fi
3489         fi
3490 rm -rf conftest*
3491 LIBS="$cf_save_LIBS"
3492 fi
3493 ])
3494 ])
3495 dnl ---------------------------------------------------------------------------
3496 dnl CF_LIB_SUFFIX version: 17 updated: 2011/07/02 15:36:04
3497 dnl -------------
3498 dnl Compute the library file-suffix from the given model name
3499 dnl $1 = model name
3500 dnl $2 = variable to set (the nominal library suffix)
3501 dnl $3 = dependency variable to set (actual filename)
3502 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3503 AC_DEFUN([CF_LIB_SUFFIX],
3504 [
3505         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3506         case $1 in #(vi
3507         libtool) #(vi
3508                 $2='.la'
3509                 $3=[$]$2
3510                 ;;
3511         normal) #(vi
3512                 $2='.a'
3513                 $3=[$]$2
3514                 ;;
3515         debug) #(vi
3516                 $2='_g.a'
3517                 $3=[$]$2
3518                 ;;
3519         profile) #(vi
3520                 $2='_p.a'
3521                 $3=[$]$2
3522                 ;;
3523         shared) #(vi
3524                 case $cf_cv_system_name in
3525                 aix[[5-7]]*) #(vi
3526                         $2='.a'
3527                         $3=[$]$2
3528                         ;;
3529                 cygwin*) #(vi
3530                         $2='.dll'
3531                         $3='.dll.a'
3532                         ;;
3533                 darwin*) #(vi
3534                         $2='.dylib'
3535                         $3=[$]$2
3536                         ;;
3537                 hpux*) #(vi
3538                         case $target in
3539                         ia64*) #(vi
3540                                 $2='.so'
3541                                 $3=[$]$2
3542                                 ;;
3543                         *) #(vi
3544                                 $2='.sl'
3545                                 $3=[$]$2
3546                                 ;;
3547                         esac
3548                         ;;
3549                 *)      $2='.so'
3550                         $3=[$]$2
3551                         ;;
3552                 esac
3553         esac
3554         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3555         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3556 ])dnl
3557 dnl ---------------------------------------------------------------------------
3558 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3559 dnl -----------
3560 dnl Compute the string to append to -library from the given model name
3561 dnl $1 = model name
3562 dnl $2 = variable to set
3563 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3564 AC_DEFUN([CF_LIB_TYPE],
3565 [
3566         case $1 in
3567         libtool) $2=''   ;;
3568         normal)  $2=''   ;;
3569         debug)   $2='_g' ;;
3570         profile) $2='_p' ;;
3571         shared)  $2=''   ;;
3572         esac
3573         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3574 ])dnl
3575 dnl ---------------------------------------------------------------------------
3576 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
3577 dnl ----------------
3578 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3579 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3580 dnl have to provide wrappers for global tables to ensure they're linked
3581 dnl properly.
3582 AC_DEFUN([CF_LINK_DATAONLY],
3583 [
3584 AC_MSG_CHECKING([if data-only library module links])
3585 AC_CACHE_VAL(cf_cv_link_dataonly,[
3586         rm -f conftest.a
3587         cat >conftest.$ac_ext <<EOF
3588 #line __oline__ "configure"
3589 int     testdata[[3]] = { 123, 456, 789 };
3590 EOF
3591         if AC_TRY_EVAL(ac_compile) ; then
3592                 mv conftest.o data.o && \
3593                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3594         fi
3595         rm -f conftest.$ac_ext data.o
3596         cat >conftest.$ac_ext <<EOF
3597 #line __oline__ "configure"
3598 int     testfunc()
3599 {
3600 #if defined(NeXT)
3601         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3602 #else
3603         extern int testdata[[3]];
3604         return testdata[[0]] == 123
3605            &&  testdata[[1]] == 456
3606            &&  testdata[[2]] == 789;
3607 #endif
3608 }
3609 EOF
3610         if AC_TRY_EVAL(ac_compile); then
3611                 mv conftest.o func.o && \
3612                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3613         fi
3614         rm -f conftest.$ac_ext func.o
3615         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3616         cf_saveLIBS="$LIBS"
3617         LIBS="conftest.a $LIBS"
3618         AC_TRY_RUN([
3619         int main()
3620         {
3621                 extern int testfunc();
3622                 ${cf_cv_main_return:-return} (!testfunc());
3623         }
3624         ],
3625         [cf_cv_link_dataonly=yes],
3626         [cf_cv_link_dataonly=no],
3627         [cf_cv_link_dataonly=unknown])
3628         LIBS="$cf_saveLIBS"
3629         ])
3630 AC_MSG_RESULT($cf_cv_link_dataonly)
3631
3632 if test "$cf_cv_link_dataonly" = no ; then
3633         AC_DEFINE(BROKEN_LINKER)
3634         BROKEN_LINKER=1
3635 fi
3636
3637 ])dnl
3638 dnl ---------------------------------------------------------------------------
3639 dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
3640 dnl -------------
3641 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3642 dnl A few non-Unix systems implement symlink, but not link.
3643 dnl A few non-systems implement neither (or have nonfunctional versions).
3644 AC_DEFUN([CF_LINK_FUNCS],
3645 [
3646 AC_CHECK_FUNCS( \
3647         remove \
3648         unlink )
3649
3650 if test "$cross_compiling" = yes ; then
3651         AC_CHECK_FUNCS( \
3652                 link \
3653                 symlink )
3654 else
3655         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
3656                 cf_cv_link_funcs=
3657                 for cf_func in link symlink ; do
3658                         AC_TRY_RUN([
3659 #include <sys/types.h>
3660 #include <sys/stat.h>
3661 #ifdef HAVE_UNISTD_H
3662 #include <unistd.h>
3663 #endif
3664 int main()
3665 {
3666         int fail = 0;
3667         char *src = "config.log";
3668         char *dst = "conftest.chk";
3669         struct stat src_sb;
3670         struct stat dst_sb;
3671
3672         stat(src, &src_sb);
3673         fail = ($cf_func("config.log", "conftest.chk") < 0)
3674             || (stat(dst, &dst_sb) < 0)
3675             || (dst_sb.st_mtime != src_sb.st_mtime);
3676 #ifdef HAVE_UNLINK
3677         unlink(dst);
3678 #else
3679         remove(dst);
3680 #endif
3681         ${cf_cv_main_return:-return} (fail);
3682 }
3683                         ],[
3684                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
3685                         eval 'ac_cv_func_'$cf_func'=yes'],[
3686                         eval 'ac_cv_func_'$cf_func'=no'],[
3687                         eval 'ac_cv_func_'$cf_func'=error'])
3688                 done
3689                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
3690         ])
3691         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK)
3692         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
3693 fi
3694 ])dnl
3695 dnl ---------------------------------------------------------------------------
3696 dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
3697 dnl --------------
3698 dnl Check if a return from main to the shell actually returns the same exit
3699 dnl code.  This is true for almost any POSIX environment.
3700 dnl
3701 dnl Some very old environments did not flush stdout, etc., on an exit.  That
3702 dnl would be a useful case to test for also.
3703 AC_DEFUN([CF_MAIN_RETURN],
3704 [
3705 cf_cv_main_return=return
3706 ])dnl
3707 dnl ---------------------------------------------------------------------------
3708 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
3709 dnl ------------
3710 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
3711 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
3712 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
3713 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
3714 AC_DEFUN([CF_MAKEFLAGS],
3715 [
3716 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
3717         cf_cv_makeflags=''
3718         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
3719         do
3720                 cat >cf_makeflags.tmp <<CF_EOF
3721 SHELL = /bin/sh
3722 all :
3723         @ echo '.$cf_option'
3724 CF_EOF
3725                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
3726                 case "$cf_result" in
3727                 .*k)
3728                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
3729                         case "$cf_result" in
3730                         .*CC=*) cf_cv_makeflags=
3731                                 ;;
3732                         *)      cf_cv_makeflags=$cf_option
3733                                 ;;
3734                         esac
3735                         break
3736                         ;;
3737                 .-)     ;;
3738                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
3739                         ;;
3740                 esac
3741         done
3742         rm -f cf_makeflags.tmp
3743 ])
3744
3745 AC_SUBST(cf_cv_makeflags)
3746 ])dnl
3747 dnl ---------------------------------------------------------------------------
3748 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
3749 dnl ------------
3750 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
3751 dnl a monocase filesystem.
3752 AC_DEFUN([CF_MAKE_TAGS],[
3753 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
3754
3755 AC_CHECK_PROGS(CTAGS, exctags ctags)
3756 AC_CHECK_PROGS(ETAGS, exetags etags)
3757
3758 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
3759
3760 if test "$cf_cv_mixedcase" = yes ; then
3761         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
3762 else
3763         MAKE_UPPER_TAGS=no
3764 fi
3765
3766 if test "$MAKE_UPPER_TAGS" = yes ; then
3767         MAKE_UPPER_TAGS=
3768 else
3769         MAKE_UPPER_TAGS="#"
3770 fi
3771
3772 if test "$MAKE_LOWER_TAGS" = yes ; then
3773         MAKE_LOWER_TAGS=
3774 else
3775         MAKE_LOWER_TAGS="#"
3776 fi
3777
3778 AC_SUBST(CTAGS)
3779 AC_SUBST(ETAGS)
3780
3781 AC_SUBST(MAKE_UPPER_TAGS)
3782 AC_SUBST(MAKE_LOWER_TAGS)
3783 ])dnl
3784 dnl ---------------------------------------------------------------------------
3785 dnl CF_MANPAGE_FORMAT version: 9 updated: 2010/10/23 16:10:30
3786 dnl -----------------
3787 dnl Option to allow user to override automatic configuration of manpage format.
3788 dnl There are several special cases:
3789 dnl
3790 dnl     gzip - man checks for, can display gzip'd files
3791 dnl     compress - man checks for, can display compressed files
3792 dnl     BSDI - files in the cat-directories are suffixed ".0"
3793 dnl     formatted - installer should format (put files in cat-directory)
3794 dnl     catonly - installer should only format, e.g., for a turnkey system.
3795 dnl
3796 dnl There are other configurations which this macro does not test, e.g., HPUX's
3797 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
3798 dnl convention would not match our use).
3799 AC_DEFUN([CF_MANPAGE_FORMAT],
3800 [
3801 AC_REQUIRE([CF_PATHSEP])
3802 AC_MSG_CHECKING(format of man-pages)
3803
3804 AC_ARG_WITH(manpage-format,
3805         [  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
3806                           optionally formatted/catonly, e.g., gzip,formatted],
3807         [MANPAGE_FORMAT=$withval],
3808         [MANPAGE_FORMAT=unknown])
3809
3810 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
3811 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
3812
3813 cf_unknown=
3814
3815 case $MANPAGE_FORMAT in
3816 unknown)
3817   if test -z "$MANPATH" ; then
3818     MANPATH="/usr/man:/usr/share/man"
3819   fi
3820
3821   # look for the 'date' man-page (it's most likely to be installed!)
3822   MANPAGE_FORMAT=
3823   cf_preform=no
3824   cf_catonly=yes
3825   cf_example=date
3826
3827   IFS="${IFS:-  }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
3828   for cf_dir in $MANPATH; do
3829     test -z "$cf_dir" && cf_dir=/usr/man
3830     for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
3831     do
3832       cf_test=`echo $cf_name | sed -e 's/*//'`
3833       if test "x$cf_test" = "x$cf_name" ; then
3834
3835         case "$cf_name" in
3836         *.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
3837         *.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
3838         *.0)    MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
3839         *)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
3840         esac
3841
3842         case "$cf_name" in
3843         $cf_dir/man*)
3844           cf_catonly=no
3845           ;;
3846         $cf_dir/cat*)
3847           cf_preform=yes
3848           ;;
3849         esac
3850         break
3851       fi
3852
3853       # if we found a match in either man* or cat*, stop looking
3854       if test -n "$MANPAGE_FORMAT" ; then
3855         cf_found=no
3856         test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
3857         test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
3858         case "$cf_name" in
3859         $cf_dir/cat*)
3860           cf_found=yes
3861           ;;
3862         esac
3863         test $cf_found=yes && break
3864       fi
3865     done
3866     # only check the first directory in $MANPATH where we find manpages
3867     if test -n "$MANPAGE_FORMAT" ; then
3868        break
3869     fi
3870   done
3871   # if we did not find the example, just assume it is normal
3872   test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
3873   IFS="$ac_save_ifs"
3874   ;;
3875 *)
3876   for cf_option in $MANPAGE_FORMAT; do
3877      case $cf_option in #(vi
3878      gzip|compress|BSDI|normal|formatted|catonly)
3879        ;;
3880      *)
3881        cf_unknown="$cf_unknown $cf_option"
3882        ;;
3883      esac
3884   done
3885   ;;
3886 esac
3887
3888 AC_MSG_RESULT($MANPAGE_FORMAT)
3889 if test -n "$cf_unknown" ; then
3890   AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
3891 fi
3892 ])dnl
3893 dnl ---------------------------------------------------------------------------
3894 dnl CF_MANPAGE_RENAMES version: 7 updated: 2005/06/18 18:51:57
3895 dnl ------------------
3896 dnl The Debian people have their own naming convention for manpages.  This
3897 dnl option lets us override the name of the file containing renaming, or
3898 dnl disable it altogether.
3899 AC_DEFUN([CF_MANPAGE_RENAMES],
3900 [
3901 AC_MSG_CHECKING(for manpage renaming)
3902
3903 AC_ARG_WITH(manpage-renames,
3904         [  --with-manpage-renames  specify manpage-renaming],
3905         [MANPAGE_RENAMES=$withval],
3906         [MANPAGE_RENAMES=yes])
3907
3908 case ".$MANPAGE_RENAMES" in #(vi
3909 .no) #(vi
3910   ;;
3911 .|.yes)
3912   # Debian 'man' program?
3913   if test -f /etc/debian_version ; then
3914     MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
3915   else
3916     MANPAGE_RENAMES=no
3917   fi
3918   ;;
3919 esac
3920
3921 if test "$MANPAGE_RENAMES" != no ; then
3922   if test -f $srcdir/man/$MANPAGE_RENAMES ; then
3923     MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
3924   elif test ! -f $MANPAGE_RENAMES ; then
3925     AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
3926   fi
3927
3928   test ! -d man && mkdir man
3929
3930   # Construct a sed-script to perform renaming within man-pages
3931   if test -n "$MANPAGE_RENAMES" ; then
3932     test ! -d man && mkdir man
3933     sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
3934   fi
3935 fi
3936
3937 AC_MSG_RESULT($MANPAGE_RENAMES)
3938 AC_SUBST(MANPAGE_RENAMES)
3939 ])dnl
3940 dnl ---------------------------------------------------------------------------
3941 dnl CF_MANPAGE_SYMLINKS version: 5 updated: 2010/07/24 17:12:40
3942 dnl -------------------
3943 dnl Some people expect each tool to make all aliases for manpages in the
3944 dnl man-directory.  This accommodates the older, less-capable implementations
3945 dnl of 'man', and is optional.
3946 AC_DEFUN([CF_MANPAGE_SYMLINKS],
3947 [
3948 AC_MSG_CHECKING(if manpage aliases will be installed)
3949
3950 AC_ARG_WITH(manpage-aliases,
3951         [  --with-manpage-aliases  specify manpage-aliases using .so],
3952         [MANPAGE_ALIASES=$withval],
3953         [MANPAGE_ALIASES=yes])
3954
3955 AC_MSG_RESULT($MANPAGE_ALIASES)
3956
3957 case "x$LN_S" in #(vi
3958 xln*) #(vi
3959         cf_use_symlinks=yes
3960         ;;
3961 *)
3962         cf_use_symlinks=no
3963         ;;
3964 esac
3965
3966 MANPAGE_SYMLINKS=no
3967 if test "$MANPAGE_ALIASES" = yes ; then
3968 AC_MSG_CHECKING(if manpage symlinks should be used)
3969
3970 AC_ARG_WITH(manpage-symlinks,
3971         [  --with-manpage-symlinks specify manpage-aliases using symlinks],
3972         [MANPAGE_SYMLINKS=$withval],
3973         [MANPAGE_SYMLINKS=$cf_use_symlinks])
3974
3975 if test "$$cf_use_symlinks" = no; then
3976 if test "$MANPAGE_SYMLINKS" = yes ; then
3977         AC_MSG_WARN(cannot make symlinks, will use .so files)
3978         MANPAGE_SYMLINKS=no
3979 fi
3980 fi
3981
3982 AC_MSG_RESULT($MANPAGE_SYMLINKS)
3983 fi
3984
3985 ])dnl
3986 dnl ---------------------------------------------------------------------------
3987 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
3988 dnl --------------
3989 dnl This option causes manpages to be run through tbl(1) to generate tables
3990 dnl correctly.
3991 AC_DEFUN([CF_MANPAGE_TBL],
3992 [
3993 AC_MSG_CHECKING(for manpage tbl)
3994
3995 AC_ARG_WITH(manpage-tbl,
3996         [  --with-manpage-tbl      specify manpage processing with tbl],
3997         [MANPAGE_TBL=$withval],
3998         [MANPAGE_TBL=no])
3999
4000 AC_MSG_RESULT($MANPAGE_TBL)
4001 ])dnl
4002 dnl ---------------------------------------------------------------------------
4003 dnl CF_MAN_PAGES version: 40 updated: 2011/09/10 16:20:21
4004 dnl ------------
4005 dnl Try to determine if the man-pages on the system are compressed, and if
4006 dnl so, what format is used.  Use this information to construct a script that
4007 dnl will install man-pages.
4008 AC_DEFUN([CF_MAN_PAGES],
4009 [
4010 CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
4011 CF_MANPAGE_FORMAT
4012 CF_MANPAGE_RENAMES
4013 CF_MANPAGE_SYMLINKS
4014 CF_MANPAGE_TBL
4015
4016   if test "$prefix" = "NONE" ; then
4017      cf_prefix="$ac_default_prefix"
4018   else
4019      cf_prefix="$prefix"
4020   fi
4021
4022   case "$MANPAGE_FORMAT" in # (vi
4023   *catonly*) # (vi
4024     cf_format=yes
4025     cf_inboth=no
4026     ;;
4027   *formatted*) # (vi
4028     cf_format=yes
4029     cf_inboth=yes
4030     ;;
4031   *)
4032     cf_format=no
4033     cf_inboth=no
4034     ;;
4035   esac
4036
4037 test ! -d man && mkdir man
4038
4039 cf_so_strip=
4040 cf_compress=
4041 case "$MANPAGE_FORMAT" in #(vi
4042 *compress*) #(vi
4043         cf_so_strip="Z"
4044         cf_compress=compress
4045   ;;
4046 *gzip*)
4047         cf_so_strip="gz"
4048         cf_compress=gzip
4049   ;;
4050 esac
4051
4052 cf_edit_man=./edit_man.sh
4053 cf_man_alias=`pwd`/man_alias.sed
4054
4055 cat >$cf_edit_man <<CF_EOF
4056 #! /bin/sh
4057 # this script is generated by the configure-script CF_MAN_PAGES macro.
4058
4059 prefix="$cf_prefix"
4060 datadir="$datadir"
4061
4062 NCURSES_MAJOR="$NCURSES_MAJOR"
4063 NCURSES_MINOR="$NCURSES_MINOR"
4064 NCURSES_PATCH="$NCURSES_PATCH"
4065
4066 NCURSES_OSPEED="$NCURSES_OSPEED"
4067 TERMINFO="$TERMINFO"
4068
4069 INSTALL="$INSTALL"
4070 INSTALL_DATA="$INSTALL_DATA"
4071
4072 transform="$program_transform_name"
4073
4074 TMP=\${TMPDIR:=/tmp}/man\$\$
4075 trap "rm -f \$TMP" 0 1 2 5 15
4076
4077 form=\[$]1
4078 shift || exit 1
4079
4080 verb=\[$]1
4081 shift || exit 1
4082
4083 mandir=\[$]1
4084 shift || exit 1
4085
4086 srcdir=\[$]1
4087 top_srcdir=\[$]srcdir/..
4088 shift || exit 1
4089
4090 if test "\$form" = normal ; then
4091         if test "$cf_format" = yes ; then
4092         if test "$cf_inboth" = no ; then
4093                 sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4094                 exit $?
4095         fi
4096         fi
4097         cf_subdir=\$mandir/man
4098         cf_tables=$MANPAGE_TBL
4099 else
4100         cf_subdir=\$mandir/cat
4101         cf_tables=yes
4102 fi
4103
4104 # process the list of source-files
4105 for i in \[$]* ; do
4106 case \$i in #(vi
4107 *.orig|*.rej) ;; #(vi
4108 *.[[0-9]]*)
4109         section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
4110         if test \$verb = installing ; then
4111         if test ! -d \$cf_subdir\${section} ; then
4112                 mkdir -p \$cf_subdir\$section
4113         fi
4114         fi
4115
4116         # replace variables in man page
4117         if test ! -f $cf_man_alias ; then
4118 cat >>$cf_man_alias <<-CF_EOF2
4119                 s,@DATADIR@,\$datadir,g
4120                 s,@TERMINFO@,\$TERMINFO,g
4121                 s,@NCURSES_MAJOR@,\$NCURSES_MAJOR,g
4122                 s,@NCURSES_MINOR@,\$NCURSES_MINOR,g
4123                 s,@NCURSES_PATCH@,\$NCURSES_PATCH,g
4124                 s,@NCURSES_OSPEED@,\$NCURSES_OSPEED,g
4125 CF_EOF
4126         ifelse($1,,,[
4127         for cf_name in $1
4128         do
4129                 cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4130                 cf_name=`echo $cf_name|sed "$program_transform_name"`
4131 cat >>$cf_edit_man <<-CF_EOF
4132                 s,@$cf_NAME@,$cf_name,g
4133 CF_EOF
4134         done
4135         ])
4136 cat >>$cf_edit_man <<CF_EOF
4137 CF_EOF2
4138                 echo "...made $cf_man_alias"
4139         fi
4140
4141         aliases=
4142         cf_source=\`basename \$i\`
4143         inalias=\$cf_source
4144         test ! -f \$inalias && inalias="\$srcdir/\$inalias"
4145         if test ! -f \$inalias ; then
4146                 echo .. skipped \$cf_source
4147                 continue
4148         fi
4149 CF_EOF
4150
4151 if test "$MANPAGE_ALIASES" != no ; then
4152 cat >>$cf_edit_man <<CF_EOF
4153         nCurses=ignore.3x
4154         test $with_curses_h = yes && nCurses=ncurses.3x
4155         aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u; test \$inalias = \$nCurses && echo curses\`
4156 CF_EOF
4157 fi
4158
4159 if test "$MANPAGE_RENAMES" = no ; then
4160 cat >>$cf_edit_man <<CF_EOF
4161         # perform program transformations for section 1 man pages
4162         if test \$section = 1 ; then
4163                 cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
4164         else
4165                 cf_target=\$cf_subdir\${section}/\$cf_source
4166         fi
4167 CF_EOF
4168 else
4169 cat >>$cf_edit_man <<CF_EOF
4170         cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
4171         if test -z "\$cf_target" ; then
4172                 echo '? missing rename for '\$cf_source
4173                 cf_target="\$cf_source"
4174         fi
4175         cf_target="\$cf_subdir\${section}/\${cf_target}"
4176
4177 CF_EOF
4178 fi
4179
4180 cat >>$cf_edit_man <<CF_EOF
4181         sed     -f $cf_man_alias \\
4182 CF_EOF
4183
4184 if test -f $MANPAGE_RENAMES ; then
4185 cat >>$cf_edit_man <<CF_EOF
4186                 < \$i | sed -f `pwd`/edit_man.sed >\$TMP
4187 CF_EOF
4188 else
4189 cat >>$cf_edit_man <<CF_EOF
4190                 < \$i >\$TMP
4191 CF_EOF
4192 fi
4193
4194 cat >>$cf_edit_man <<CF_EOF
4195 if test \$cf_tables = yes ; then
4196         tbl \$TMP >\$TMP.out
4197         mv \$TMP.out \$TMP
4198 fi
4199 CF_EOF
4200
4201 if test $with_overwrite != yes ; then
4202 cat >>$cf_edit_man <<CF_EOF
4203         sed -e "/\#[    ]*include/s,<curses.h,<ncurses$LIB_SUFFIX/curses.h," < \$TMP >\$TMP.out
4204         mv \$TMP.out \$TMP
4205 CF_EOF
4206 fi
4207
4208 if test $with_curses_h != yes ; then
4209 cat >>$cf_edit_man <<CF_EOF
4210         sed -e "/\#[    ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
4211         mv \$TMP.out \$TMP
4212 CF_EOF
4213 fi
4214
4215 cat >>$cf_edit_man <<CF_EOF
4216         if test \$form = format ; then
4217                 nroff -man \$TMP >\$TMP.out
4218                 mv \$TMP.out \$TMP
4219         fi
4220 CF_EOF
4221
4222 if test -n "$cf_compress" ; then
4223 cat >>$cf_edit_man <<CF_EOF
4224         if test \$verb = installing ; then
4225         if ( $cf_compress -f \$TMP )
4226         then
4227                 mv \$TMP.$cf_so_strip \$TMP
4228         fi
4229         fi
4230         cf_target="\$cf_target.$cf_so_strip"
4231 CF_EOF
4232 fi
4233
4234 case "$MANPAGE_FORMAT" in #(vi
4235 *BSDI*)
4236 cat >>$cf_edit_man <<CF_EOF
4237         if test \$form = format ; then
4238                 # BSDI installs only .0 suffixes in the cat directories
4239                 cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
4240         fi
4241 CF_EOF
4242   ;;
4243 esac
4244
4245 cat >>$cf_edit_man <<CF_EOF
4246         suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
4247         if test \$verb = installing ; then
4248                 echo \$verb \$cf_target
4249                 \$INSTALL_DATA \$TMP \$cf_target
4250                 test -d \$cf_subdir\${section} &&
4251                 test -n "\$aliases" && (
4252                         cd \$cf_subdir\${section} && (
4253                                 cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
4254                                 test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
4255                                 cf_target=\`basename \$cf_target\`
4256                                 for cf_alias in \$aliases
4257                                 do
4258                                         if test \$section = 1 ; then
4259                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4260                                         fi
4261
4262                                         if test "$MANPAGE_SYMLINKS" = yes ; then
4263                                                 if test -f \$cf_alias\${suffix} ; then
4264                                                         if ( cmp -s \$cf_target \$cf_alias\${suffix} )
4265                                                         then
4266                                                                 continue
4267                                                         fi
4268                                                 fi
4269                                                 echo .. \$verb alias \$cf_alias\${suffix}
4270 CF_EOF
4271 case "x$LN_S" in #(vi
4272 *-f) #(vi
4273 cat >>$cf_edit_man <<CF_EOF
4274                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4275 CF_EOF
4276         ;;
4277 *)
4278 cat >>$cf_edit_man <<CF_EOF
4279                                                 rm -f \$cf_alias\${suffix}
4280                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4281 CF_EOF
4282         ;;
4283 esac
4284 cat >>$cf_edit_man <<CF_EOF
4285                                         elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
4286                                                 echo ".so \$cf_source" >\$TMP
4287 CF_EOF
4288 if test -n "$cf_compress" ; then
4289 cat >>$cf_edit_man <<CF_EOF
4290                                                 if test -n "$cf_so_strip" ; then
4291                                                         $cf_compress -f \$TMP
4292                                                         mv \$TMP.$cf_so_strip \$TMP
4293                                                 fi
4294 CF_EOF
4295 fi
4296 cat >>$cf_edit_man <<CF_EOF
4297                                                 echo .. \$verb alias \$cf_alias\${suffix}
4298                                                 rm -f \$cf_alias\${suffix}
4299                                                 \$INSTALL_DATA \$TMP \$cf_alias\${suffix}
4300                                         fi
4301                                 done
4302                         )
4303                 )
4304         elif test \$verb = removing ; then
4305                 test -f \$cf_target && (
4306                         echo \$verb \$cf_target
4307                         rm -f \$cf_target
4308                 )
4309                 test -d \$cf_subdir\${section} &&
4310                 test -n "\$aliases" && (
4311                         cd \$cf_subdir\${section} && (
4312                                 for cf_alias in \$aliases
4313                                 do
4314                                         if test \$section = 1 ; then
4315                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4316                                         fi
4317
4318                                         echo .. \$verb alias \$cf_alias\${suffix}
4319                                         rm -f \$cf_alias\${suffix}
4320                                 done
4321                         )
4322                 )
4323         else
4324 #               echo ".hy 0"
4325                 cat \$TMP
4326         fi
4327         ;;
4328 esac
4329 done
4330
4331 if test $cf_inboth = yes ; then
4332 if test \$form != format ; then
4333         sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4334 fi
4335 fi
4336
4337 exit 0
4338 CF_EOF
4339 chmod 755 $cf_edit_man
4340
4341 ])dnl
4342 dnl ---------------------------------------------------------------------------
4343 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
4344 dnl -----------
4345 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
4346 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
4347 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
4348 AC_DEFUN([CF_MATH_LIB],
4349 [
4350 AC_CACHE_CHECK(if -lm needed for math functions,
4351         cf_cv_need_libm,[
4352         AC_TRY_LINK([
4353         #include <stdio.h>
4354         #include <math.h>
4355         ],
4356         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
4357         [cf_cv_need_libm=no],
4358         [cf_cv_need_libm=yes])])
4359 if test "$cf_cv_need_libm" = yes
4360 then
4361 ifelse($1,,[
4362         CF_ADD_LIB(m)
4363 ],[$1=-lm])
4364 fi
4365 ])
4366 dnl ---------------------------------------------------------------------------
4367 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
4368 dnl ----------------------
4369 dnl Check if the file-system supports mixed-case filenames.  If we're able to
4370 dnl create a lowercase name and see it as uppercase, it doesn't support that.
4371 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
4372 [
4373 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
4374 if test "$cross_compiling" = yes ; then
4375         case $target_alias in #(vi
4376         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
4377                 cf_cv_mixedcase=no
4378                 ;;
4379         *)
4380                 cf_cv_mixedcase=yes
4381                 ;;
4382         esac
4383 else
4384         rm -f conftest CONFTEST
4385         echo test >conftest
4386         if test -f CONFTEST ; then
4387                 cf_cv_mixedcase=no
4388         else
4389                 cf_cv_mixedcase=yes
4390         fi
4391         rm -f conftest CONFTEST
4392 fi
4393 ])
4394 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
4395 ])dnl
4396 dnl ---------------------------------------------------------------------------
4397 dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
4398 dnl ----------
4399 dnl Check for a working mkstemp.  This creates two files, checks that they are
4400 dnl successfully created and distinct (AmigaOS apparently fails on the last).
4401 AC_DEFUN([CF_MKSTEMP],[
4402 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
4403 rm -rf conftest*
4404 AC_TRY_RUN([
4405 #include <sys/types.h>
4406 #include <stdlib.h>
4407 #include <stdio.h>
4408 #include <string.h>
4409 #include <sys/stat.h>
4410 int main()
4411 {
4412         char *tmpl = "conftestXXXXXX";
4413         char name[2][80];
4414         int n;
4415         int result = 0;
4416         int fd;
4417         struct stat sb;
4418
4419         umask(077);
4420         for (n = 0; n < 2; ++n) {
4421                 strcpy(name[n], tmpl);
4422                 if ((fd = mkstemp(name[n])) >= 0) {
4423                         if (!strcmp(name[n], tmpl)
4424                          || stat(name[n], &sb) != 0
4425                          || (sb.st_mode & S_IFMT) != S_IFREG
4426                          || (sb.st_mode & 077) != 0) {
4427                                 result = 1;
4428                         }
4429                         close(fd);
4430                 }
4431         }
4432         if (result == 0
4433          && !strcmp(name[0], name[1]))
4434                 result = 1;
4435         ${cf_cv_main_return:-return}(result);
4436 }
4437 ],[cf_cv_func_mkstemp=yes
4438 ],[cf_cv_func_mkstemp=no
4439 ],[AC_CHECK_FUNC(mkstemp)
4440 ])
4441 ])
4442 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
4443         AC_DEFINE(HAVE_MKSTEMP)
4444 fi
4445 ])dnl
4446 dnl ---------------------------------------------------------------------------
4447 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
4448 dnl ----------
4449 dnl Write a debug message to config.log, along with the line number in the
4450 dnl configure script.
4451 AC_DEFUN([CF_MSG_LOG],[
4452 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
4453 ])dnl
4454 dnl ---------------------------------------------------------------------------
4455 dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49
4456 dnl ----------------
4457 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
4458 dnl warn about this.
4459 AC_DEFUN([CF_NCURSES_ABI_6],[
4460 if test "${with_abi_version+set}" != set; then
4461         case $cf_cv_rel_version in
4462         5.*)
4463                 cf_cv_rel_version=6.0
4464                 cf_cv_abi_version=6
4465                 AC_MSG_WARN(Overriding ABI version to $cf_cv_abi_version)
4466                 ;;
4467         esac
4468 fi
4469 ])dnl
4470 dnl ---------------------------------------------------------------------------
4471 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
4472 dnl ------------------
4473 dnl see CF_WITH_NO_LEAKS
4474 AC_DEFUN([CF_NO_LEAKS_OPTION],[
4475 AC_MSG_CHECKING(if you want to use $1 for testing)
4476 AC_ARG_WITH($1,
4477         [$2],
4478         [AC_DEFINE($3)ifelse([$4],,[
4479          $4
4480 ])
4481         : ${with_cflags:=-g}
4482         : ${with_no_leaks:=yes}
4483          with_$1=yes],
4484         [with_$1=])
4485 AC_MSG_RESULT(${with_$1:-no})
4486
4487 case .$with_cflags in #(vi
4488 .*-g*)
4489         case .$CFLAGS in #(vi
4490         .*-g*) #(vi
4491                 ;;
4492         *)
4493                 CF_ADD_CFLAGS([-g])
4494                 ;;
4495         esac
4496         ;;
4497 esac
4498 ])dnl
4499 dnl ---------------------------------------------------------------------------
4500 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
4501 dnl ----------------
4502 dnl Check if the given variable is a number.  If not, report an error.
4503 dnl $1 is the variable
4504 dnl $2 is the message
4505 AC_DEFUN([CF_NUMBER_SYNTAX],[
4506 if test -n "$1" ; then
4507   case $1 in #(vi
4508   [[0-9]]*) #(vi
4509         ;;
4510   *)
4511         AC_MSG_ERROR($2 is not a number: $1)
4512         ;;
4513   esac
4514 else
4515   AC_MSG_ERROR($2 value is empty)
4516 fi
4517 ])dnl
4518 dnl ---------------------------------------------------------------------------
4519 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
4520 dnl -------------
4521 dnl Compute the object-directory name from the given model name
4522 AC_DEFUN([CF_OBJ_SUBDIR],
4523 [
4524         case $1 in
4525         libtool) $2='obj_lo'  ;;
4526         normal)  $2='objects' ;;
4527         debug)   $2='obj_g' ;;
4528         profile) $2='obj_p' ;;
4529         shared)
4530                 case $cf_cv_system_name in #(vi
4531                 cygwin) #(vi
4532                         $2='objects' ;;
4533                 *)
4534                         $2='obj_s' ;;
4535                 esac
4536         esac
4537 ])dnl
4538 dnl ---------------------------------------------------------------------------
4539 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
4540 dnl ----------
4541 dnl Provide a value for the $PATH and similar separator
4542 AC_DEFUN([CF_PATHSEP],
4543 [
4544         case $cf_cv_system_name in
4545         os2*)   PATH_SEPARATOR=';'  ;;
4546         *)      PATH_SEPARATOR=':'  ;;
4547         esac
4548 ifelse([$1],,,[$1=$PATH_SEPARATOR])
4549         AC_SUBST(PATH_SEPARATOR)
4550 ])dnl
4551 dnl ---------------------------------------------------------------------------
4552 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
4553 dnl --------------
4554 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
4555 dnl begins with one of the prefix/exec_prefix variables, and then again if the
4556 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
4557 dnl delayed evaluation of those symbols.
4558 AC_DEFUN([CF_PATH_SYNTAX],[
4559 if test "x$prefix" != xNONE; then
4560   cf_path_syntax="$prefix"
4561 else
4562   cf_path_syntax="$ac_default_prefix"
4563 fi
4564
4565 case ".[$]$1" in #(vi
4566 .\[$]\(*\)*|.\'*\'*) #(vi
4567   ;;
4568 ..|./*|.\\*) #(vi
4569   ;;
4570 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
4571   ;;
4572 .\[$]{*prefix}*) #(vi
4573   eval $1="[$]$1"
4574   case ".[$]$1" in #(vi
4575   .NONE/*)
4576     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4577     ;;
4578   esac
4579   ;; #(vi
4580 .no|.NONE/*)
4581   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4582   ;;
4583 *)
4584   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
4585   ;;
4586 esac
4587 ])dnl
4588 dnl ---------------------------------------------------------------------------
4589 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
4590 dnl -------------
4591 dnl Check for the package-config program, unless disabled by command-line.
4592 AC_DEFUN([CF_PKG_CONFIG],
4593 [
4594 AC_MSG_CHECKING(if you want to use pkg-config)
4595 AC_ARG_WITH(pkg-config,
4596         [  --with-pkg-config{=path} enable/disable use of pkg-config],
4597         [cf_pkg_config=$withval],
4598         [cf_pkg_config=yes])
4599 AC_MSG_RESULT($cf_pkg_config)
4600
4601 case $cf_pkg_config in #(vi
4602 no) #(vi
4603         PKG_CONFIG=none
4604         ;;
4605 yes) #(vi
4606         CF_ACVERSION_CHECK(2.52,
4607                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
4608                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
4609         ;;
4610 *)
4611         PKG_CONFIG=$withval
4612         ;;
4613 esac
4614
4615 test -z "$PKG_CONFIG" && PKG_CONFIG=none
4616 if test "$PKG_CONFIG" != none ; then
4617         CF_PATH_SYNTAX(PKG_CONFIG)
4618 fi
4619
4620 AC_SUBST(PKG_CONFIG)
4621 ])dnl
4622 dnl ---------------------------------------------------------------------------
4623 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
4624 dnl -----------------
4625 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
4626 dnl
4627 dnl     POSIX.1-1990                            _POSIX_SOURCE
4628 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
4629 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
4630 dnl             Bindings Option
4631 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
4632 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
4633 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
4634 dnl
4635 dnl Parameters:
4636 dnl     $1 is the nominal value for _POSIX_C_SOURCE
4637 AC_DEFUN([CF_POSIX_C_SOURCE],
4638 [
4639 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
4640
4641 cf_save_CFLAGS="$CFLAGS"
4642 cf_save_CPPFLAGS="$CPPFLAGS"
4643
4644 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
4645 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
4646
4647 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
4648         CF_MSG_LOG(if the symbol is already defined go no further)
4649         AC_TRY_COMPILE([#include <sys/types.h>],[
4650 #ifndef _POSIX_C_SOURCE
4651 make an error
4652 #endif],
4653         [cf_cv_posix_c_source=no],
4654         [cf_want_posix_source=no
4655          case .$cf_POSIX_C_SOURCE in #(vi
4656          .[[12]]??*) #(vi
4657                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4658                 ;;
4659          .2) #(vi
4660                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4661                 cf_want_posix_source=yes
4662                 ;;
4663          .*)
4664                 cf_want_posix_source=yes
4665                 ;;
4666          esac
4667          if test "$cf_want_posix_source" = yes ; then
4668                 AC_TRY_COMPILE([#include <sys/types.h>],[
4669 #ifdef _POSIX_SOURCE
4670 make an error
4671 #endif],[],
4672                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
4673          fi
4674          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
4675          CFLAGS="$cf_trim_CFLAGS"
4676          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
4677          CF_MSG_LOG(if the second compile does not leave our definition intact error)
4678          AC_TRY_COMPILE([#include <sys/types.h>],[
4679 #ifndef _POSIX_C_SOURCE
4680 make an error
4681 #endif],,
4682          [cf_cv_posix_c_source=no])
4683          CFLAGS="$cf_save_CFLAGS"
4684          CPPFLAGS="$cf_save_CPPFLAGS"
4685         ])
4686 ])
4687
4688 if test "$cf_cv_posix_c_source" != no ; then
4689         CFLAGS="$cf_trim_CFLAGS"
4690         CPPFLAGS="$cf_trim_CPPFLAGS"
4691         CF_ADD_CFLAGS($cf_cv_posix_c_source)
4692 fi
4693
4694 ])dnl
4695 dnl ---------------------------------------------------------------------------
4696 dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
4697 dnl ------------
4698 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
4699 dnl
4700 dnl $1 = symbol to test
4701 dnl $2 = value (if any) to use for a predefinition
4702 AC_DEFUN([CF_PREDEFINE],
4703 [
4704 AC_MSG_CHECKING(if we must define $1)
4705 AC_TRY_COMPILE([#include <sys/types.h>
4706 ],[
4707 #ifndef $1
4708 make an error
4709 #endif],[cf_result=no],[cf_result=yes])
4710 AC_MSG_RESULT($cf_result)
4711
4712 if test "$cf_result" = yes ; then
4713         CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
4714 elif test "x$2" != "x" ; then
4715         AC_MSG_CHECKING(checking for compatible value versus $2)
4716         AC_TRY_COMPILE([#include <sys/types.h>
4717 ],[
4718 #if $1-$2 < 0
4719 make an error
4720 #endif],[cf_result=yes],[cf_result=no])
4721         AC_MSG_RESULT($cf_result)
4722         if test "$cf_result" = no ; then
4723                 # perhaps we can override it - try...
4724                 CPPFLAGS="$CPPFLAGS -D$1=$2"
4725         fi
4726 fi
4727 ])dnl
4728 dnl ---------------------------------------------------------------------------
4729 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
4730 dnl ------------
4731 dnl Append definitions and rules for the given programs to the subdirectory
4732 dnl Makefiles, and the recursion rule for the top-level Makefile.
4733 dnl
4734 dnl parameters
4735 dnl     $1 = script to run
4736 dnl     $2 = list of subdirectories
4737 dnl
4738 dnl variables
4739 dnl     $AWK
4740 AC_DEFUN([CF_PRG_RULES],
4741 [
4742 for cf_dir in $2
4743 do
4744         if test ! -d $srcdir/$cf_dir; then
4745                 continue
4746         elif test -f $srcdir/$cf_dir/programs; then
4747                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
4748         fi
4749 done
4750
4751 ])dnl
4752 dnl ---------------------------------------------------------------------------
4753 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
4754 dnl ----------
4755 dnl Check for archiver "ar".
4756 AC_DEFUN([CF_PROG_AR],[
4757 AC_CHECK_TOOL(AR, ar, ar)
4758 ])
4759 dnl ---------------------------------------------------------------------------
4760 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
4761 dnl -----------
4762 dnl Check for awk, ensure that the check found something.
4763 AC_DEFUN([CF_PROG_AWK],
4764 [
4765 AC_PROG_AWK
4766 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
4767 ])dnl
4768 dnl ---------------------------------------------------------------------------
4769 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
4770 dnl --------------
4771 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
4772 dnl the output file can be renamed, and allows for a shell variable that can
4773 dnl be used later.  The parameter is either CC or CXX.  The result is the
4774 dnl cache variable:
4775 dnl     $cf_cv_prog_CC_c_o
4776 dnl     $cf_cv_prog_CXX_c_o
4777 AC_DEFUN([CF_PROG_CC_C_O],
4778 [AC_REQUIRE([AC_PROG_CC])dnl
4779 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
4780 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
4781 [
4782 cat > conftest.$ac_ext <<CF_EOF
4783 #include <stdio.h>
4784 int main()
4785 {
4786         ${cf_cv_main_return:-return}(0);
4787 }
4788 CF_EOF
4789 # We do the test twice because some compilers refuse to overwrite an
4790 # existing .o file with -o, though they will create one.
4791 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
4792 if AC_TRY_EVAL(ac_try) &&
4793   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
4794 then
4795   eval cf_cv_prog_$1_c_o=yes
4796 else
4797   eval cf_cv_prog_$1_c_o=no
4798 fi
4799 rm -rf conftest*
4800 ])dnl
4801 if test $cf_cv_prog_$1_c_o = yes; then
4802   AC_MSG_RESULT([yes])
4803 else
4804   AC_MSG_RESULT([no])
4805 fi
4806 ])dnl
4807 dnl ---------------------------------------------------------------------------
4808 dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
4809 dnl --------------
4810 dnl Check if C (preprocessor) -U and -D options are processed in the order
4811 dnl given rather than by type of option.  Some compilers insist on apply all
4812 dnl of the -U options after all of the -D options.  Others allow mixing them,
4813 dnl and may predefine symbols that conflict with those we define.
4814 AC_DEFUN([CF_PROG_CC_U_D],
4815 [
4816 AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
4817         cf_save_CPPFLAGS="$CPPFLAGS"
4818         CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
4819         AC_TRY_COMPILE([],[
4820 #ifndef U_D_OPTIONS
4821 make an undefined-error
4822 #endif
4823 #ifdef  D_U_OPTIONS
4824 make a defined-error
4825 #endif
4826         ],[
4827         cf_cv_cc_u_d_options=yes],[
4828         cf_cv_cc_u_d_options=no])
4829         CPPFLAGS="$cf_save_CPPFLAGS"
4830 ])
4831 ])dnl
4832 dnl ---------------------------------------------------------------------------
4833 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
4834 dnl -------------
4835 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
4836 dnl This macro adds a check to ensure the script found something.
4837 AC_DEFUN([CF_PROG_EGREP],
4838 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
4839    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
4840     then ac_cv_prog_egrep='grep -E'
4841     else ac_cv_prog_egrep='egrep'
4842     fi])
4843  EGREP=$ac_cv_prog_egrep
4844  AC_SUBST([EGREP])
4845 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
4846 ])dnl
4847 dnl ---------------------------------------------------------------------------
4848 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
4849 dnl -----------
4850 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
4851 AC_DEFUN([CF_PROG_EXT],
4852 [
4853 AC_REQUIRE([CF_CHECK_CACHE])
4854 case $cf_cv_system_name in
4855 os2*)
4856     CFLAGS="$CFLAGS -Zmt"
4857     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
4858     CXXFLAGS="$CXXFLAGS -Zmt"
4859     # autoconf's macro sets -Zexe and suffix both, which conflict:w
4860     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
4861     ac_cv_exeext=.exe
4862     ;;
4863 esac
4864
4865 AC_EXEEXT
4866 AC_OBJEXT
4867
4868 PROG_EXT="$EXEEXT"
4869 AC_SUBST(PROG_EXT)
4870 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
4871 ])dnl
4872 dnl ---------------------------------------------------------------------------
4873 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
4874 dnl ------------
4875 dnl Check for gnatmake, ensure that it is complete.
4876 AC_DEFUN([CF_PROG_GNAT],[
4877 cf_ada_make=gnatmake
4878 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
4879 if test "$ac_cv_prog_gnat_exists" = no; then
4880    cf_ada_make=
4881    cf_cv_prog_gnat_correct=no
4882 else
4883    CF_GNAT_VERSION
4884    AC_CHECK_PROG(M4_exists, m4, yes, no)
4885    if test "$ac_cv_prog_M4_exists" = no; then
4886       cf_cv_prog_gnat_correct=no
4887       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
4888    fi
4889    if test "$cf_cv_prog_gnat_correct" = yes; then
4890       AC_MSG_CHECKING(if GNAT works)
4891       CF_GNAT_TRY_RUN([procedure conftest;],
4892 [with Text_IO;
4893 with GNAT.OS_Lib;
4894 procedure conftest is
4895 begin
4896    Text_IO.Put ("Hello World");
4897    Text_IO.New_Line;
4898    GNAT.OS_Lib.OS_Exit (0);
4899 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
4900       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
4901    fi
4902 fi
4903
4904 AC_SUBST(cf_ada_make)
4905 ])dnl
4906 dnl ---------------------------------------------------------------------------
4907 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
4908 dnl ---------------
4909 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
4910 dnl misc/tabset install won't work properly.  Usually this happens only when
4911 dnl using the fallback mkinstalldirs script
4912 AC_DEFUN([CF_PROG_INSTALL],
4913 [AC_PROG_INSTALL
4914 case $INSTALL in
4915 /*)
4916   ;;
4917 *)
4918   CF_DIRNAME(cf_dir,$INSTALL)
4919   test -z "$cf_dir" && cf_dir=.
4920   INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
4921   ;;
4922 esac
4923 ])dnl
4924 dnl ---------------------------------------------------------------------------
4925 dnl CF_PROG_LDCONFIG version: 3 updated: 2011/06/04 20:09:13
4926 dnl ----------------
4927 dnl Check for ldconfig, needed to fixup shared libraries that would be built
4928 dnl and then used in the install.
4929 AC_DEFUN([CF_PROG_LDCONFIG],[
4930 if test "$cross_compiling" = yes ; then
4931   LDCONFIG=:
4932 else
4933 case "$cf_cv_system_name" in #(vi
4934 dragonfly*|mirbsd*|freebsd*) #(vi
4935   test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
4936   ;;
4937 *) LDPATH=$PATH:/sbin:/usr/sbin
4938   AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
4939   ;;
4940 esac
4941 fi
4942 AC_SUBST(LDCONFIG)
4943 ])dnl
4944 dnl ---------------------------------------------------------------------------
4945 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
4946 dnl ------------
4947 AC_DEFUN([CF_PROG_LINT],
4948 [
4949 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
4950 AC_SUBST(LINT_OPTS)
4951 ])dnl
4952 dnl ---------------------------------------------------------------------------
4953 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
4954 dnl ------------
4955 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
4956 dnl option if it is supported.
4957 AC_DEFUN([CF_PROG_LN_S],[
4958 AC_PROG_LN_S
4959 AC_MSG_CHECKING(if $LN_S -f options work)
4960
4961 rm -f conf$$.src conf$$dst
4962 echo >conf$$.dst
4963 echo first >conf$$.src
4964 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
4965         cf_prog_ln_sf=yes
4966 else
4967         cf_prog_ln_sf=no
4968 fi
4969 rm -f conf$$.dst conf$$src
4970 AC_MSG_RESULT($cf_prog_ln_sf)
4971
4972 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
4973 ])dnl
4974 dnl ---------------------------------------------------------------------------
4975 dnl CF_REGEX version: 9 updated: 2012/01/07 15:08:24
4976 dnl --------
4977 dnl Attempt to determine if we've got one of the flavors of regular-expression
4978 dnl code that we can support.
4979 AC_DEFUN([CF_REGEX],
4980 [
4981
4982 cf_regex_func=no
4983
4984 cf_regex_libs="regex re"
4985 case $host_os in #(vi
4986 mingw*)
4987         cf_regex_libs="gnurx $cf_regex_libs"
4988         ;;
4989 esac
4990
4991 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
4992         for cf_regex_lib in $cf_regex_libs
4993         do
4994                 AC_CHECK_LIB($cf_regex_lib,regcomp,[
4995                                 CF_ADD_LIB($cf_regex_lib)
4996                                 cf_regex_func=regcomp
4997                                 break])
4998         done
4999 ])
5000
5001 if test "$cf_regex_func" = no ; then
5002         AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
5003                 AC_CHECK_LIB(gen,compile,[
5004                                 CF_ADD_LIB(gen)
5005                                 cf_regex_func=compile])])
5006 fi
5007
5008 if test "$cf_regex_func" = no ; then
5009         AC_MSG_WARN(cannot find regular expression library)
5010 fi
5011
5012 AC_CACHE_CHECK(for regular-expression headers,cf_cv_regex_hdrs,[
5013
5014 cf_cv_regex_hdrs=no
5015 case $cf_regex_func in #(vi
5016 compile) #(vi
5017         for cf_regex_hdr in regexp.h regexpr.h
5018         do
5019                 AC_TRY_LINK([#include <$cf_regex_hdr>],[
5020                         char *p = compile("", "", "", 0);
5021                         int x = step("", "");
5022                 ],[
5023                         cf_cv_regex_hdrs=$cf_regex_hdr
5024                         break
5025                 ])
5026         done
5027         ;;
5028 *)
5029         for cf_regex_hdr in regex.h
5030         do
5031                 AC_TRY_LINK([#include <sys/types.h>
5032 #include <$cf_regex_hdr>],[
5033                         regex_t *p;
5034                         int x = regcomp(p, "", 0);
5035                         int y = regexec(p, "", 0, 0, 0);
5036                         regfree(p);
5037                 ],[
5038                         cf_cv_regex_hdrs=$cf_regex_hdr
5039                         break
5040                 ])
5041         done
5042         ;;
5043 esac
5044
5045 ])
5046
5047 case $cf_cv_regex_hdrs in #(vi
5048     no)        AC_MSG_WARN(no regular expression header found) ;; #(vi
5049     regex.h)   AC_DEFINE(HAVE_REGEX_H_FUNCS) ;; #(vi
5050     regexp.h)  AC_DEFINE(HAVE_REGEXP_H_FUNCS) ;; #(vi
5051     regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS) ;;
5052 esac
5053 ])dnl
5054 dnl ---------------------------------------------------------------------------
5055 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
5056 dnl ----------------
5057 dnl Remove all -U and -D options that refer to the given symbol from a list
5058 dnl of C compiler options.  This works around the problem that not all
5059 dnl compilers process -U and -D options from left-to-right, so a -U option
5060 dnl cannot be used to cancel the effect of a preceding -D option.
5061 dnl
5062 dnl $1 = target (which could be the same as the source variable)
5063 dnl $2 = source (including '$')
5064 dnl $3 = symbol to remove
5065 define([CF_REMOVE_DEFINE],
5066 [
5067 $1=`echo "$2" | \
5068         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
5069                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
5070 ])dnl
5071 dnl ---------------------------------------------------------------------------
5072 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
5073 dnl -------------
5074 dnl Remove the given library from the symbol
5075 dnl
5076 dnl $1 = target (which could be the same as the source variable)
5077 dnl $2 = source (including '$')
5078 dnl $3 = library to remove
5079 define([CF_REMOVE_LIB],
5080 [
5081 # remove $3 library from $2
5082 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
5083 ])dnl
5084 dnl ---------------------------------------------------------------------------
5085 dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
5086 dnl -------------
5087 AC_DEFUN([CF_RPATH_HACK],
5088 [
5089 AC_REQUIRE([CF_LD_RPATH_OPT])
5090 AC_MSG_CHECKING(for updated LDFLAGS)
5091 if test -n "$LD_RPATH_OPT" ; then
5092         AC_MSG_RESULT(maybe)
5093
5094         AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
5095         cf_rpath_list="/usr/lib /lib"
5096         if test "$cf_ldd_prog" != no
5097         then
5098                 cf_rpath_oops=
5099
5100 AC_TRY_LINK([#include <stdio.h>],
5101                 [printf("Hello");],
5102                 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
5103                  cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
5104
5105                 # If we passed the link-test, but get a "not found" on a given library,
5106                 # this could be due to inept reconfiguration of gcc to make it only
5107                 # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
5108                 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
5109                 # /usr/local libraries.
5110                 if test -n "$cf_rpath_oops"
5111                 then
5112                         for cf_rpath_src in $cf_rpath_oops
5113                         do
5114                                 for cf_rpath_dir in \
5115                                         /usr/local \
5116                                         /usr/pkg \
5117                                         /opt/sfw
5118                                 do
5119                                         if test -f $cf_rpath_dir/lib/$cf_rpath_src
5120                                         then
5121                                                 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
5122                                                 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
5123                                                 break
5124                                         fi
5125                                 done
5126                         done
5127                 fi
5128         fi
5129
5130         CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5131
5132         CF_RPATH_HACK_2(LDFLAGS)
5133         CF_RPATH_HACK_2(LIBS)
5134
5135         CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5136 fi
5137 AC_SUBST(EXTRA_LDFLAGS)
5138 ])dnl
5139 dnl ---------------------------------------------------------------------------
5140 dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
5141 dnl ---------------
5142 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
5143 dnl EXTRA_LDFLAGS for each -L option found.
5144 dnl
5145 dnl $cf_rpath_list contains a list of directories to ignore.
5146 dnl
5147 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
5148 dnl      but LIBS often has misplaced -L options.
5149 AC_DEFUN([CF_RPATH_HACK_2],
5150 [
5151 CF_VERBOSE(...checking $1 [$]$1)
5152
5153 cf_rpath_dst=
5154 for cf_rpath_src in [$]$1
5155 do
5156         case $cf_rpath_src in #(vi
5157         -L*) #(vi
5158
5159                 # check if this refers to a directory which we will ignore
5160                 cf_rpath_skip=no
5161                 if test -n "$cf_rpath_list"
5162                 then
5163                         for cf_rpath_item in $cf_rpath_list
5164                         do
5165                                 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
5166                                 then
5167                                         cf_rpath_skip=yes
5168                                         break
5169                                 fi
5170                         done
5171                 fi
5172
5173                 if test "$cf_rpath_skip" = no
5174                 then
5175                         # transform the option
5176                         if test "$LD_RPATH_OPT" = "-R " ; then
5177                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
5178                         else
5179                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
5180                         fi
5181
5182                         # if we have not already added this, add it now
5183                         cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
5184                         if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
5185                         then
5186                                 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
5187                                 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
5188                         fi
5189                 fi
5190                 ;;
5191         esac
5192         cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
5193 done
5194 $1=$cf_rpath_dst
5195
5196 CF_VERBOSE(...checked $1 [$]$1)
5197 AC_SUBST(EXTRA_LDFLAGS)
5198 ])dnl
5199 dnl ---------------------------------------------------------------------------
5200 dnl CF_SHARED_OPTS version: 69 updated: 2011/07/30 19:31:39
5201 dnl --------------
5202 dnl --------------
5203 dnl Attempt to determine the appropriate CC/LD options for creating a shared
5204 dnl library.
5205 dnl
5206 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
5207 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
5208 dnl We avoid compiling-in a ../lib path for the shared library since that can
5209 dnl lead to unexpected results at runtime.
5210 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
5211 dnl are compiled in ../../lib
5212 dnl
5213 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
5214 dnl to install symbolic links to the rel/abi versions of shared libraries.
5215 dnl
5216 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
5217 dnl version when making symbolic links.
5218 dnl
5219 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
5220 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
5221 dnl (ex: libncurses.so.<ver>).
5222 dnl
5223 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
5224 AC_DEFUN([CF_SHARED_OPTS],
5225 [
5226         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
5227         AC_REQUIRE([CF_LD_RPATH_OPT])
5228         LOCAL_LDFLAGS=
5229         LOCAL_LDFLAGS2=
5230         LD_SHARED_OPTS=
5231         INSTALL_LIB="-m 644"
5232
5233         cf_cv_do_symlinks=no
5234         cf_ld_rpath_opt=
5235         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
5236
5237         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
5238         AC_ARG_WITH(shlib-version,
5239         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
5240         [test -z "$withval" && withval=auto
5241         case $withval in #(vi
5242         yes) #(vi
5243                 cf_cv_shlib_version=auto
5244                 ;;
5245         rel|abi|auto|no) #(vi
5246                 cf_cv_shlib_version=$withval
5247                 ;;
5248         *)
5249                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
5250                 ;;
5251         esac
5252         ],[cf_cv_shlib_version=auto])
5253         AC_MSG_RESULT($cf_cv_shlib_version)
5254
5255         cf_cv_rm_so_locs=no
5256
5257         # Some less-capable ports of gcc support only -fpic
5258         CC_SHARED_OPTS=
5259         if test "$GCC" = yes
5260         then
5261                 AC_MSG_CHECKING(which $CC option to use)
5262                 cf_save_CFLAGS="$CFLAGS"
5263                 for CC_SHARED_OPTS in -fPIC -fpic ''
5264                 do
5265                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
5266                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
5267                 done
5268                 AC_MSG_RESULT($CC_SHARED_OPTS)
5269                 CFLAGS="$cf_save_CFLAGS"
5270         fi
5271
5272         cf_cv_shlib_version_infix=no
5273
5274         case $cf_cv_system_name in #(vi
5275         aix4.[3-9]*|aix[[5-7]]*) #(vi
5276                 if test "$GCC" = yes; then
5277                         CC_SHARED_OPTS=
5278                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5279                 else
5280                         # CC_SHARED_OPTS='-qpic=large -G'
5281                         # perhaps "-bM:SRE -bnoentry -bexpall"
5282                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5283                 fi
5284                 ;;
5285         beos*) #(vi
5286                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
5287                 ;;
5288         cygwin*) #(vi
5289                 CC_SHARED_OPTS=
5290                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5291                 cf_cv_shlib_version=cygdll
5292                 cf_cv_shlib_version_infix=cygdll
5293                 cat >mk_shared_lib.sh <<-CF_EOF
5294                 #!/bin/sh
5295                 SHARED_LIB=\[$]1
5296                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5297                 shift
5298                 cat <<-EOF
5299                 Linking shared library
5300                 ** SHARED_LIB \[$]SHARED_LIB
5301                 ** IMPORT_LIB \[$]IMPORT_LIB
5302 EOF
5303                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
5304 CF_EOF
5305                 chmod +x mk_shared_lib.sh
5306                 ;;
5307         darwin*) #(vi
5308                 EXTRA_CFLAGS="-no-cpp-precomp"
5309                 CC_SHARED_OPTS="-dynamic"
5310                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
5311                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
5312                 cf_cv_shlib_version_infix=yes
5313                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
5314                         cf_save_LDFLAGS=$LDFLAGS
5315                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5316                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
5317                                 LDFLAGS=$cf_save_LDFLAGS])
5318                 if test $cf_cv_ldflags_search_paths_first = yes; then
5319                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5320                 fi
5321                 ;;
5322         hpux*) #(vi
5323                 # (tested with gcc 2.7.2 -- I don't have c89)
5324                 if test "$GCC" = yes; then
5325                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
5326                 else
5327                         CC_SHARED_OPTS='+Z'
5328                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
5329                 fi
5330                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
5331                 # HP-UX shared libraries must be executable, and should be
5332                 # readonly to exploit a quirk in the memory manager.
5333                 INSTALL_LIB="-m 555"
5334                 ;;
5335         interix*)
5336                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5337                 if test "$cf_cv_shlib_version" = rel; then
5338                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
5339                 else
5340                         cf_shared_soname='`basename $@`'
5341                 fi
5342                 CC_SHARED_OPTS=
5343                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
5344                 ;;
5345         irix*) #(vi
5346                 if test "$cf_cv_enable_rpath" = yes ; then
5347                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5348                 fi
5349                 # tested with IRIX 5.2 and 'cc'.
5350                 if test "$GCC" != yes; then
5351                         CC_SHARED_OPTS='-KPIC'
5352                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
5353                 else
5354                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
5355                 fi
5356                 cf_cv_rm_so_locs=yes
5357                 ;;
5358         linux*|gnu*|k*bsd*-gnu) #(vi
5359                 if test "$DFT_LWR_MODEL" = "shared" ; then
5360                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5361                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5362                 fi
5363                 if test "$cf_cv_enable_rpath" = yes ; then
5364                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5365                 fi
5366                 CF_SHARED_SONAME
5367                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5368                 ;;
5369         openbsd[[2-9]].*|mirbsd*) #(vi
5370                 if test "$DFT_LWR_MODEL" = "shared" ; then
5371                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5372                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5373                 fi
5374                 if test "$cf_cv_enable_rpath" = yes ; then
5375                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5376                 fi
5377                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5378                 CF_SHARED_SONAME
5379                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5380                 ;;
5381         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
5382                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5383                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
5384                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5385                 ;;
5386         dragonfly*|freebsd*) #(vi
5387                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5388                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5389                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5390                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
5391                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5392                 fi
5393                 CF_SHARED_SONAME
5394                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
5395                 ;;
5396         netbsd*) #(vi
5397                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5398                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5399                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5400                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5401                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5402                         if test "$cf_cv_shlib_version" = auto; then
5403                         if test -f /usr/libexec/ld.elf_so; then
5404                                 cf_cv_shlib_version=abi
5405                         else
5406                                 cf_cv_shlib_version=rel
5407                         fi
5408                         fi
5409                         CF_SHARED_SONAME
5410                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
5411                 else
5412                         MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
5413                 fi
5414                 ;;
5415         osf*|mls+*) #(vi
5416                 # tested with OSF/1 V3.2 and 'cc'
5417                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
5418                 # link with shared libs).
5419                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
5420                 case $host_os in #(vi
5421                 osf4*)
5422                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
5423                         ;;
5424                 esac
5425                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
5426                 if test "$DFT_LWR_MODEL" = "shared" ; then
5427                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5428                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5429                 fi
5430                 cf_cv_rm_so_locs=yes
5431                 ;;
5432         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
5433                 # tested with osr5.0.5
5434                 if test "$GCC" != yes; then
5435                         CC_SHARED_OPTS='-belf -KPIC'
5436                 fi
5437                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
5438                 if test "$cf_cv_enable_rpath" = yes ; then
5439                         # only way is to set LD_RUN_PATH but no switch for it
5440                         RUN_PATH=$libdir
5441                 fi
5442                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5443                 LINK_PROGS='LD_RUN_PATH=${libdir}'
5444                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
5445                 ;;
5446         sunos4*) #(vi
5447                 # tested with SunOS 4.1.1 and gcc 2.7.0
5448                 if test "$GCC" != yes; then
5449                         CC_SHARED_OPTS='-KPIC'
5450                 fi
5451                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
5452                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5453                 ;;
5454         solaris2*) #(vi
5455                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
5456                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
5457                 if test "$DFT_LWR_MODEL" = "shared" ; then
5458                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
5459                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5460                 fi
5461                 if test "$cf_cv_enable_rpath" = yes ; then
5462                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
5463                 fi
5464                 CF_SHARED_SONAME
5465                 if test "$GCC" != yes; then
5466                         cf_save_CFLAGS="$CFLAGS"
5467                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
5468                         do
5469                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
5470                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
5471                         done
5472                         CFLAGS="$cf_save_CFLAGS"
5473                         CC_SHARED_OPTS=$cf_shared_opts
5474                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5475                 else
5476                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5477                 fi
5478                 ;;
5479         sysv5uw7*|unix_sv*) #(vi
5480                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
5481                 if test "$GCC" != yes; then
5482                         CC_SHARED_OPTS='-KPIC'
5483                 fi
5484                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
5485                 ;;
5486         *)
5487                 CC_SHARED_OPTS='unknown'
5488                 MK_SHARED_LIB='echo unknown'
5489                 ;;
5490         esac
5491
5492         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
5493         case "$cf_cv_shlib_version" in #(vi
5494         rel|abi)
5495                 case "$MK_SHARED_LIB" in #(vi
5496                 *'-o $[@]') #(vi
5497                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
5498                         ;;
5499                 *)
5500                         AC_MSG_WARN(ignored --with-shlib-version)
5501                         ;;
5502                 esac
5503                 ;;
5504         esac
5505
5506         # RPATH_LIST is a colon-separated list of directories
5507         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
5508         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
5509
5510         AC_SUBST(CC_SHARED_OPTS)
5511         AC_SUBST(LD_RPATH_OPT)
5512         AC_SUBST(LD_SHARED_OPTS)
5513         AC_SUBST(MK_SHARED_LIB)
5514         AC_SUBST(LINK_PROGS)
5515         AC_SUBST(LINK_TESTS)
5516         AC_SUBST(EXTRA_LDFLAGS)
5517         AC_SUBST(LOCAL_LDFLAGS)
5518         AC_SUBST(LOCAL_LDFLAGS2)
5519         AC_SUBST(INSTALL_LIB)
5520         AC_SUBST(RPATH_LIST)
5521 ])dnl
5522 dnl ---------------------------------------------------------------------------
5523 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
5524 dnl ----------------
5525 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
5526 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
5527 dnl option.
5528 dnl
5529 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
5530 dnl If missing, use "rel".
5531 define([CF_SHARED_SONAME],
5532 [
5533         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
5534         if test "$cf_cv_shlib_version" = rel; then
5535                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
5536         else
5537                 cf_cv_shared_soname='`basename $[@]`'
5538         fi
5539 ])
5540 dnl ---------------------------------------------------------------------------
5541 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
5542 dnl -----------
5543 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
5544 dnl programs need this test).
5545 dnl
5546 dnl This is really a MacOS X 10.4.3 workaround.  Defining _POSIX_C_SOURCE
5547 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses).  Oddly, the struct
5548 dnl winsize declaration is left alone - we may revisit this if Apple choose to
5549 dnl break that part of the interface as well.
5550 AC_DEFUN([CF_SIGWINCH],
5551 [
5552 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
5553         AC_TRY_COMPILE([
5554 #include <sys/types.h>
5555 #include <sys/signal.h>
5556 ],[int x = SIGWINCH],
5557         [cf_cv_define_sigwinch=yes],
5558         [AC_TRY_COMPILE([
5559 #undef _XOPEN_SOURCE
5560 #undef _POSIX_SOURCE
5561 #undef _POSIX_C_SOURCE
5562 #include <sys/types.h>
5563 #include <sys/signal.h>
5564 ],[int x = SIGWINCH],
5565         [cf_cv_define_sigwinch=maybe],
5566         [cf_cv_define_sigwinch=no])
5567 ])
5568 ])
5569
5570 if test "$cf_cv_define_sigwinch" = maybe ; then
5571 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
5572 cf_cv_fixup_sigwinch=unknown
5573 cf_sigwinch=32
5574 while test $cf_sigwinch != 1
5575 do
5576         AC_TRY_COMPILE([
5577 #undef _XOPEN_SOURCE
5578 #undef _POSIX_SOURCE
5579 #undef _POSIX_C_SOURCE
5580 #include <sys/types.h>
5581 #include <sys/signal.h>
5582 ],[
5583 #if SIGWINCH != $cf_sigwinch
5584 make an error
5585 #endif
5586 int x = SIGWINCH],
5587         [cf_cv_fixup_sigwinch=$cf_sigwinch
5588          break])
5589
5590 cf_sigwinch=`expr $cf_sigwinch - 1`
5591 done
5592 ])
5593
5594         if test "$cf_cv_fixup_sigwinch" != unknown ; then
5595                 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
5596         fi
5597 fi
5598 ])dnl
5599 dnl ---------------------------------------------------------------------------
5600 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
5601 dnl ---------------
5602 dnl signal handler, but there are some gcc depedencies in that recommendation.
5603 dnl Try anyway.
5604 AC_DEFUN([CF_SIG_ATOMIC_T],
5605 [
5606 AC_MSG_CHECKING(for signal global datatype)
5607 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
5608         for cf_type in \
5609                 "volatile sig_atomic_t" \
5610                 "sig_atomic_t" \
5611                 "int"
5612         do
5613         AC_TRY_COMPILE([
5614 #include <sys/types.h>
5615 #include <signal.h>
5616 #include <stdio.h>
5617
5618 extern $cf_type x;
5619 $cf_type x;
5620 static void handler(int sig)
5621 {
5622         x = 5;
5623 }],
5624                 [signal(SIGINT, handler);
5625                  x = 1],
5626                 [cf_cv_sig_atomic_t=$cf_type],
5627                 [cf_cv_sig_atomic_t=no])
5628                 test "$cf_cv_sig_atomic_t" != no && break
5629         done
5630         ])
5631 AC_MSG_RESULT($cf_cv_sig_atomic_t)
5632 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
5633 ])dnl
5634 dnl ---------------------------------------------------------------------------
5635 dnl CF_SIZECHANGE version: 8 updated: 2000/11/04 12:22:16
5636 dnl -------------
5637 dnl Check for definitions & structures needed for window size-changing
5638 dnl FIXME: check that this works with "snake" (HP-UX 10.x)
5639 AC_DEFUN([CF_SIZECHANGE],
5640 [
5641 AC_REQUIRE([CF_STRUCT_TERMIOS])
5642 AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
5643     cf_cv_sizechange=unknown
5644     cf_save_CPPFLAGS="$CPPFLAGS"
5645
5646 for cf_opts in "" "NEED_PTEM_H"
5647 do
5648
5649     CPPFLAGS="$cf_save_CPPFLAGS"
5650     test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
5651     AC_TRY_COMPILE([#include <sys/types.h>
5652 #ifdef HAVE_TERMIOS_H
5653 #include <termios.h>
5654 #else
5655 #ifdef HAVE_TERMIO_H
5656 #include <termio.h>
5657 #endif
5658 #endif
5659 #ifdef NEED_PTEM_H
5660 /* This is a workaround for SCO:  they neglected to define struct winsize in
5661  * termios.h -- it's only in termio.h and ptem.h
5662  */
5663 #include        <sys/stream.h>
5664 #include        <sys/ptem.h>
5665 #endif
5666 #if !defined(sun) || !defined(HAVE_TERMIOS_H)
5667 #include <sys/ioctl.h>
5668 #endif
5669 ],[
5670 #ifdef TIOCGSIZE
5671         struct ttysize win;     /* FIXME: what system is this? */
5672         int y = win.ts_lines;
5673         int x = win.ts_cols;
5674 #else
5675 #ifdef TIOCGWINSZ
5676         struct winsize win;
5677         int y = win.ws_row;
5678         int x = win.ws_col;
5679 #else
5680         no TIOCGSIZE or TIOCGWINSZ
5681 #endif /* TIOCGWINSZ */
5682 #endif /* TIOCGSIZE */
5683         ],
5684         [cf_cv_sizechange=yes],
5685         [cf_cv_sizechange=no])
5686
5687         CPPFLAGS="$cf_save_CPPFLAGS"
5688         if test "$cf_cv_sizechange" = yes ; then
5689                 echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
5690                 test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
5691                 break
5692         fi
5693 done
5694 ])
5695 if test "$cf_cv_sizechange" != no ; then
5696         AC_DEFINE(HAVE_SIZECHANGE)
5697         case $cf_cv_sizechange in #(vi
5698         NEED*)
5699                 AC_DEFINE_UNQUOTED($cf_cv_sizechange )
5700                 ;;
5701         esac
5702 fi
5703 ])dnl
5704 dnl ---------------------------------------------------------------------------
5705 dnl CF_SRC_MODULES version: 26 updated: 2012/01/07 15:08:24
5706 dnl --------------
5707 dnl For each parameter, test if the source-directory exists, and if it contains
5708 dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
5709 dnl use in CF_LIB_RULES.
5710 dnl
5711 dnl This uses the configured value to make the lists SRC_SUBDIRS and
5712 dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
5713 AC_DEFUN([CF_SRC_MODULES],
5714 [
5715 AC_MSG_CHECKING(for src modules)
5716
5717 # dependencies and linker-arguments for test-programs
5718 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
5719 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
5720 if test "$DFT_LWR_MODEL" = "libtool"; then
5721         TEST_ARGS="${TEST_DEPS}"
5722         TEST_ARG2="${TEST_DEP2}"
5723 else
5724         TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS"
5725         TEST_ARG2="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARG2"
5726 fi
5727
5728 PC_MODULES_TO_MAKE="ncurses${DFT_ARG_SUFFIX}"
5729 cf_cv_src_modules=
5730 for cf_dir in $1
5731 do
5732         if test -f $srcdir/$cf_dir/modules; then
5733
5734                 # We may/may not have tack in the distribution, though the
5735                 # makefile is.
5736                 if test $cf_dir = tack ; then
5737                         if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
5738                                 continue
5739                         fi
5740                 fi
5741
5742                 if test -z "$cf_cv_src_modules"; then
5743                         cf_cv_src_modules=$cf_dir
5744                 else
5745                         cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
5746                 fi
5747
5748                 # Make the ncurses_cfg.h file record the library interface files as
5749                 # well.  These are header files that are the same name as their
5750                 # directory.  Ncurses is the only library that does not follow
5751                 # that pattern.
5752                 if test $cf_dir = tack ; then
5753                         continue
5754                 elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
5755                         CF_UPPER(cf_have_include,$cf_dir)
5756                         AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
5757                         AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
5758                         TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
5759                         TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
5760                         if test "$DFT_LWR_MODEL" = "libtool"; then
5761                                 TEST_ARGS="${TEST_DEPS}"
5762                                 TEST_ARG2="${TEST_DEP2}"
5763                         else
5764                                 TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS"
5765                                 TEST_ARG2="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARG2"
5766                         fi
5767                         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${DFT_ARG_SUFFIX}"
5768                 fi
5769         fi
5770 done
5771 AC_MSG_RESULT($cf_cv_src_modules)
5772
5773 TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
5774 TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
5775
5776 AC_SUBST(TEST_ARGS)
5777 AC_SUBST(TEST_DEPS)
5778
5779 AC_SUBST(TEST_ARG2)
5780 AC_SUBST(TEST_DEP2)
5781
5782 SRC_SUBDIRS=
5783 if test "x$cf_with_manpages" != xno ; then
5784         SRC_SUBDIRS="$SRC_SUBDIRS man"
5785 fi
5786 SRC_SUBDIRS="$SRC_SUBDIRS include"
5787 for cf_dir in $cf_cv_src_modules
5788 do
5789         SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
5790 done
5791 if test "x$cf_with_tests" != "xno" ; then
5792         SRC_SUBDIRS="$SRC_SUBDIRS test"
5793 fi
5794 test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc"
5795 if test "$cf_with_cxx_binding" != no; then
5796         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ncurses++${DFT_ARG_SUFFIX}"
5797         SRC_SUBDIRS="$SRC_SUBDIRS c++"
5798 fi
5799
5800 test "x$with_termlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TINFO_ARG_SUFFIX"
5801 test "x$with_ticlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TICS_ARG_SUFFIX"
5802
5803 AC_SUBST(PC_MODULES_TO_MAKE)
5804
5805 ADA_SUBDIRS=
5806 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = xyes && test -f $srcdir/Ada95/Makefile.in; then
5807         SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
5808         ADA_SUBDIRS="gen src"
5809         if test "x$cf_with_tests" != "xno" ; then
5810                 ADA_SUBDIRS="$ADA_SUBDIRS samples"
5811         fi
5812 fi
5813
5814 SUB_MAKEFILES=
5815 for cf_dir in $SRC_SUBDIRS
5816 do
5817         SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
5818 done
5819
5820 if test -n "$ADA_SUBDIRS"; then
5821         for cf_dir in $ADA_SUBDIRS
5822         do
5823                 SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
5824         done
5825         AC_SUBST(ADA_SUBDIRS)
5826 fi
5827 ])dnl
5828 dnl ---------------------------------------------------------------------------
5829 dnl CF_STDCPP_LIBRARY version: 7 updated: 2010/05/29 16:31:02
5830 dnl -----------------
5831 dnl Check for -lstdc++, which is GNU's standard C++ library.
5832 AC_DEFUN([CF_STDCPP_LIBRARY],
5833 [
5834 if test -n "$GXX" ; then
5835 case $cf_cv_system_name in #(vi
5836 os2*) #(vi
5837         cf_stdcpp_libname=stdcpp
5838         ;;
5839 *)
5840         cf_stdcpp_libname=stdc++
5841         ;;
5842 esac
5843 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
5844         cf_save="$LIBS"
5845         CF_ADD_LIB($cf_stdcpp_libname)
5846 AC_TRY_LINK([
5847 #include <strstream.h>],[
5848 char buf[80];
5849 strstreambuf foo(buf, sizeof(buf))
5850 ],
5851         [cf_cv_libstdcpp=yes],
5852         [cf_cv_libstdcpp=no])
5853         LIBS="$cf_save"
5854 ])
5855 test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
5856 fi
5857 ])dnl
5858 dnl ---------------------------------------------------------------------------
5859 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
5860 dnl --------------
5861 dnl     Remove "-g" option from the compiler options
5862 AC_DEFUN([CF_STRIP_G_OPT],
5863 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
5864 dnl ---------------------------------------------------------------------------
5865 dnl CF_STRUCT_SIGACTION version: 4 updated: 2011/04/16 11:52:53
5866 dnl -------------------
5867 dnl Check if we need _POSIX_SOURCE defined to use struct sigaction.  We'll only
5868 dnl do this if we've found the sigaction function.
5869 AC_DEFUN([CF_STRUCT_SIGACTION],[
5870 AC_REQUIRE([CF_XOPEN_SOURCE])
5871
5872 if test "$ac_cv_func_sigaction" = yes; then
5873 AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
5874 AC_TRY_COMPILE([
5875 #include <sys/types.h>
5876 #include <signal.h>],
5877         [struct sigaction act],
5878         [sigact_bad=no],
5879         [
5880 AC_TRY_COMPILE([
5881 #define _POSIX_SOURCE
5882 #include <sys/types.h>
5883 #include <signal.h>],
5884         [struct sigaction act],
5885         [sigact_bad=yes
5886          AC_DEFINE(_POSIX_SOURCE)],
5887          [sigact_bad=unknown])])
5888 AC_MSG_RESULT($sigact_bad)
5889 fi
5890 ])dnl
5891 dnl ---------------------------------------------------------------------------
5892 dnl CF_STRUCT_TERMIOS version: 6 updated: 2011/04/16 11:52:53
5893 dnl -----------------
5894 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
5895 AC_DEFUN([CF_STRUCT_TERMIOS],[
5896 AC_REQUIRE([CF_XOPEN_SOURCE])
5897
5898 AC_CHECK_HEADERS( \
5899 termio.h \
5900 termios.h \
5901 unistd.h \
5902 )
5903
5904 if test "$ISC" = yes ; then
5905         AC_CHECK_HEADERS( sys/termio.h )
5906 fi
5907 if test "$ac_cv_header_termios_h" = yes ; then
5908         case "$CFLAGS $CPPFLAGS" in
5909         *-D_POSIX_SOURCE*)
5910                 termios_bad=dunno ;;
5911         *)      termios_bad=maybe ;;
5912         esac
5913         if test "$termios_bad" = maybe ; then
5914         AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
5915         AC_TRY_COMPILE([#include <termios.h>],
5916                 [struct termios foo; int x = foo.c_iflag],
5917                 termios_bad=no, [
5918                 AC_TRY_COMPILE([
5919 #define _POSIX_SOURCE
5920 #include <termios.h>],
5921                         [struct termios foo; int x = foo.c_iflag],
5922                         termios_bad=unknown,
5923                         termios_bad=yes AC_DEFINE(_POSIX_SOURCE))
5924                         ])
5925         AC_MSG_RESULT($termios_bad)
5926         fi
5927 fi
5928 ])dnl
5929 dnl ---------------------------------------------------------------------------
5930 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
5931 dnl --------------
5932 dnl Construct a search-list for a nonstandard header/lib-file
5933 dnl     $1 = the variable to return as result
5934 dnl     $2 = the package name
5935 dnl     $3 = the subdirectory, e.g., bin, include or lib
5936 AC_DEFUN([CF_SUBDIR_PATH],
5937 [
5938 $1=
5939
5940 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
5941 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
5942 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
5943 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
5944 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
5945 ])dnl
5946 dnl ---------------------------------------------------------------------------
5947 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
5948 dnl --------
5949 dnl     Shorthand macro for substituting things that the user may override
5950 dnl     with an environment variable.
5951 dnl
5952 dnl     $1 = long/descriptive name
5953 dnl     $2 = environment variable
5954 dnl     $3 = default value
5955 AC_DEFUN([CF_SUBST],
5956 [AC_CACHE_VAL(cf_cv_subst_$2,[
5957 AC_MSG_CHECKING(for $1 (symbol $2))
5958 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
5959 cf_cv_subst_$2=[$]$2
5960 AC_MSG_RESULT([$]$2)
5961 ])
5962 ])dnl
5963 dnl ---------------------------------------------------------------------------
5964 dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
5965 dnl -----------
5966 dnl     Shorthand macro for substituting things that the user may override
5967 dnl     with an environment variable.
5968 dnl
5969 dnl     $1 = condition to pass to "test"
5970 dnl     $2 = environment variable
5971 dnl     $3 = value if the test succeeds
5972 dnl     $4 = value if the test fails
5973 AC_DEFUN([CF_SUBST_IF],
5974 [
5975 if test $1 ; then
5976         $2=$3
5977 ifelse($4,,,[else
5978         $2=$4])
5979 fi
5980 AC_SUBST($2)
5981 ])dnl
5982 dnl ---------------------------------------------------------------------------
5983 dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
5984 dnl ------------------------
5985 dnl Get the version-number for use in shared-library naming, etc.
5986 AC_DEFUN([CF_SUBST_NCURSES_VERSION],
5987 [
5988 AC_REQUIRE([CF_PROG_EGREP])
5989 NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5990 NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5991 NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5992 cf_cv_abi_version=${NCURSES_MAJOR}
5993 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
5994 dnl Show the computed version, for logging
5995 cf_cv_timestamp=`date`
5996 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
5997 dnl We need these values in the generated headers
5998 AC_SUBST(NCURSES_MAJOR)
5999 AC_SUBST(NCURSES_MINOR)
6000 AC_SUBST(NCURSES_PATCH)
6001 dnl We need these values in the generated makefiles
6002 AC_SUBST(cf_cv_rel_version)
6003 AC_SUBST(cf_cv_abi_version)
6004 AC_SUBST(cf_cv_builtin_bool)
6005 AC_SUBST(cf_cv_header_stdbool_h)
6006 AC_SUBST(cf_cv_type_of_bool)dnl
6007 ])dnl
6008 dnl ---------------------------------------------------------------------------
6009 dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
6010 dnl ------------------
6011 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
6012 dnl older SCO configurations.
6013 AC_DEFUN([CF_SYS_TIME_SELECT],
6014 [
6015 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
6016 AC_CACHE_VAL(cf_cv_sys_time_select,[
6017 AC_TRY_COMPILE([
6018 #include <sys/types.h>
6019 #ifdef HAVE_SYS_TIME_H
6020 #include <sys/time.h>
6021 #endif
6022 #ifdef HAVE_SYS_SELECT_H
6023 #include <sys/select.h>
6024 #endif
6025 ],[],[cf_cv_sys_time_select=yes],
6026      [cf_cv_sys_time_select=no])
6027      ])
6028 AC_MSG_RESULT($cf_cv_sys_time_select)
6029 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
6030 ])dnl
6031 dnl ---------------------------------------------------------------------------
6032 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
6033 dnl ---------------
6034 dnl Define a top_builddir symbol, for applications that need an absolute path.
6035 AC_DEFUN([CF_TOP_BUILDDIR],
6036 [
6037 top_builddir=`pwd`
6038 AC_SUBST(top_builddir)
6039 ])dnl
6040 dnl ---------------------------------------------------------------------------
6041 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
6042 dnl -------------------
6043 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
6044 dnl can define it successfully.
6045 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
6046 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
6047         AC_TRY_COMPILE([
6048 #include <stdlib.h>
6049 #include <string.h>
6050 #include <sys/types.h>
6051 ],[
6052 #ifndef _XOPEN_SOURCE
6053 make an error
6054 #endif],
6055         [cf_cv_xopen_source=no],
6056         [cf_save="$CPPFLAGS"
6057          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6058          AC_TRY_COMPILE([
6059 #include <stdlib.h>
6060 #include <string.h>
6061 #include <sys/types.h>
6062 ],[
6063 #ifdef _XOPEN_SOURCE
6064 make an error
6065 #endif],
6066         [cf_cv_xopen_source=no],
6067         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
6068         CPPFLAGS="$cf_save"
6069         ])
6070 ])
6071
6072 if test "$cf_cv_xopen_source" != no ; then
6073         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
6074         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
6075         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
6076         CF_ADD_CFLAGS($cf_temp_xopen_source)
6077 fi
6078 ])
6079 dnl ---------------------------------------------------------------------------
6080 dnl CF_TYPEOF_CHTYPE version: 8 updated: 2006/12/16 12:33:30
6081 dnl ----------------
6082 dnl Determine the type we should use for chtype (and attr_t, which is treated
6083 dnl as the same thing).  We want around 32 bits, so on most machines want a
6084 dnl long, but on newer 64-bit machines, probably want an int.  If we're using
6085 dnl wide characters, we have to have a type compatible with that, as well.
6086 AC_DEFUN([CF_TYPEOF_CHTYPE],
6087 [
6088 AC_MSG_CHECKING([for type of chtype])
6089 AC_CACHE_VAL(cf_cv_typeof_chtype,[
6090                 AC_TRY_RUN([
6091 #define WANT_BITS 31
6092 #include <stdio.h>
6093 int main()
6094 {
6095         FILE *fp = fopen("cf_test.out", "w");
6096         if (fp != 0) {
6097                 char *result = "long";
6098                 if (sizeof(unsigned long) > sizeof(unsigned int)) {
6099                         int n;
6100                         unsigned int x, y;
6101                         for (n = 0; n < WANT_BITS; n++) {
6102                                 x = (1 << n);
6103                                 y = (x >> n);
6104                                 if (y != 1 || x == 0) {
6105                                         x = 0;
6106                                         break;
6107                                 }
6108                         }
6109                         /*
6110                          * If x is nonzero, an int is big enough for the bits
6111                          * that we want.
6112                          */
6113                         result = (x != 0) ? "int" : "long";
6114                 }
6115                 fputs(result, fp);
6116                 fclose(fp);
6117         }
6118         ${cf_cv_main_return:-return}(0);
6119 }
6120                 ],
6121                 [cf_cv_typeof_chtype=`cat cf_test.out`],
6122                 [cf_cv_typeof_chtype=long],
6123                 [cf_cv_typeof_chtype=long])
6124                 rm -f cf_test.out
6125         ])
6126 AC_MSG_RESULT($cf_cv_typeof_chtype)
6127
6128 AC_SUBST(cf_cv_typeof_chtype)
6129 AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype)
6130 ])dnl
6131 dnl ---------------------------------------------------------------------------
6132 dnl CF_TYPE_SIGACTION version: 3 updated: 2000/08/12 23:18:52
6133 dnl -----------------
6134 dnl
6135 AC_DEFUN([CF_TYPE_SIGACTION],
6136 [
6137 AC_MSG_CHECKING([for type sigaction_t])
6138 AC_CACHE_VAL(cf_cv_type_sigaction,[
6139         AC_TRY_COMPILE([
6140 #include <signal.h>],
6141                 [sigaction_t x],
6142                 [cf_cv_type_sigaction=yes],
6143                 [cf_cv_type_sigaction=no])])
6144 AC_MSG_RESULT($cf_cv_type_sigaction)
6145 test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION)
6146 ])dnl
6147 dnl ---------------------------------------------------------------------------
6148 dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
6149 dnl --------------------
6150 dnl Test if the compiler supports 'U' and 'L' suffixes.  Only old compilers
6151 dnl won't, but they're still there.
6152 AC_DEFUN([CF_UNSIGNED_LITERALS],
6153 [
6154 AC_MSG_CHECKING([if unsigned literals are legal])
6155 AC_CACHE_VAL(cf_cv_unsigned_literals,[
6156         AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
6157                 [cf_cv_unsigned_literals=yes],
6158                 [cf_cv_unsigned_literals=no])
6159         ])
6160 AC_MSG_RESULT($cf_cv_unsigned_literals)
6161 ])dnl
6162 dnl ---------------------------------------------------------------------------
6163 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
6164 dnl --------
6165 dnl Make an uppercase version of a variable
6166 dnl $1=uppercase($2)
6167 AC_DEFUN([CF_UPPER],
6168 [
6169 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
6170 ])dnl
6171 dnl ---------------------------------------------------------------------------
6172 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
6173 dnl -----------
6174 dnl Check for multibyte support, and if not found, utf8 compatibility library
6175 AC_DEFUN([CF_UTF8_LIB],
6176 [
6177 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
6178         cf_save_LIBS="$LIBS"
6179         AC_TRY_LINK([
6180 #include <stdlib.h>],[putwc(0,0);],
6181         [cf_cv_utf8_lib=yes],
6182         [CF_FIND_LINKAGE([
6183 #include <libutf8.h>],[putwc(0,0);],utf8,
6184                 [cf_cv_utf8_lib=add-on],
6185                 [cf_cv_utf8_lib=no])
6186 ])])
6187
6188 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
6189 # ncurses/ncursesw:
6190 if test "$cf_cv_utf8_lib" = "add-on" ; then
6191         AC_DEFINE(HAVE_LIBUTF8_H)
6192         CF_ADD_INCDIR($cf_cv_header_path_utf8)
6193         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
6194         CF_ADD_LIBS($cf_cv_library_file_utf8)
6195 fi
6196 ])dnl
6197 dnl ---------------------------------------------------------------------------
6198 dnl CF_VA_COPY version: 2 updated: 2010/03/04 05:37:29
6199 dnl ----------
6200 dnl check for va_copy, part of stdarg.h
6201 dnl Also, workaround for glibc's __va_copy, by checking for both.
6202 AC_DEFUN([CF_VA_COPY],[
6203 AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[
6204 AC_TRY_LINK([
6205 #include <stdarg.h>
6206 ],[
6207         static va_list dst;
6208         static va_list src;
6209         va_copy(dst, src)],
6210         cf_cv_have_va_copy=yes,
6211         cf_cv_have_va_copy=no)])
6212
6213 test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY)
6214
6215 AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[
6216 AC_TRY_LINK([
6217 #include <stdarg.h>
6218 ],[
6219         static va_list dst;
6220         static va_list src;
6221         __va_copy(dst, src)],
6222         cf_cv_have___va_copy=yes,
6223         cf_cv_have___va_copy=no)])
6224
6225 test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY)
6226 ])
6227 dnl ---------------------------------------------------------------------------
6228 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
6229 dnl ----------
6230 dnl Use AC_VERBOSE w/o the warnings
6231 AC_DEFUN([CF_VERBOSE],
6232 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
6233 CF_MSG_LOG([$1])
6234 ])dnl
6235 dnl ---------------------------------------------------------------------------
6236 dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
6237 dnl -------------
6238 dnl Check if type wide-character type $1 is declared, and if so, which header
6239 dnl file is needed.  The second parameter is used to set a shell variable when
6240 dnl the type is not found.  The first parameter sets a shell variable for the
6241 dnl opposite sense.
6242 AC_DEFUN([CF_WCHAR_TYPE],
6243 [
6244 # This is needed on Tru64 5.0 to declare $1
6245 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
6246 AC_TRY_COMPILE([
6247 #include <stdlib.h>
6248 #include <stdarg.h>
6249 #include <stdio.h>
6250 #ifdef HAVE_LIBUTF8_H
6251 #include <libutf8.h>
6252 #endif],
6253         [$1 state],
6254         [cf_cv_$1=no],
6255         [AC_TRY_COMPILE([
6256 #include <stdlib.h>
6257 #include <stdarg.h>
6258 #include <stdio.h>
6259 #include <wchar.h>
6260 #ifdef HAVE_LIBUTF8_H
6261 #include <libutf8.h>
6262 #endif],
6263         [$1 value],
6264         [cf_cv_$1=yes],
6265         [cf_cv_$1=unknown])])])
6266
6267 if test "$cf_cv_$1" = yes ; then
6268         AC_DEFINE(NEED_WCHAR_H)
6269         NEED_WCHAR_H=1
6270 fi
6271
6272 ifelse([$2],,,[
6273 # if we do not find $1 in either place, use substitution to provide a fallback.
6274 if test "$cf_cv_$1" = unknown ; then
6275         $2=1
6276 fi
6277 ])
6278 ifelse($3,,,[
6279 # if we find $1 in either place, use substitution to provide a fallback.
6280 if test "$cf_cv_$1" != unknown ; then
6281         $3=1
6282 fi
6283 ])
6284 ])dnl
6285 dnl ---------------------------------------------------------------------------
6286 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
6287 dnl ---------------
6288 dnl Check for compiler-support for weak symbols.
6289 dnl This works with "recent" gcc.
6290 AC_DEFUN([CF_WEAK_SYMBOLS],[
6291 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
6292
6293 AC_TRY_COMPILE([
6294 #include <stdio.h>],
6295 [
6296 #if defined(__GNUC__)
6297 #  if defined __USE_ISOC99
6298 #    define _cat_pragma(exp)    _Pragma(#exp)
6299 #    define _weak_pragma(exp)   _cat_pragma(weak name)
6300 #  else
6301 #    define _weak_pragma(exp)
6302 #  endif
6303 #  define _declare(name)        __extension__ extern __typeof__(name) name
6304 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
6305 #endif
6306
6307 weak_symbol(fopen);
6308 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
6309 ])
6310 ])dnl
6311 dnl ---------------------------------------------------------------------------
6312 dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
6313 dnl -------------------
6314 dnl Allow library's ABI to be overridden.  Generally this happens when a
6315 dnl packager has incremented the ABI past that used in the original package,
6316 dnl and wishes to keep doing this.
6317 dnl
6318 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6319 dnl symbol.
6320 AC_DEFUN([CF_WITH_ABI_VERSION],[
6321 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
6322 AC_ARG_WITH(abi-version,
6323 [  --with-abi-version=XXX  override derived ABI version],
6324 [AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
6325  cf_cv_abi_version=$withval])
6326  CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
6327 ifelse($1,,,[
6328 $1_ABI=$cf_cv_abi_version
6329 ])
6330 ])dnl
6331 dnl ---------------------------------------------------------------------------
6332 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
6333 dnl --------------------
6334 dnl Command-line option to specify the Ada95 compiler.
6335 AC_DEFUN([CF_WITH_ADA_COMPILER],[
6336 AC_MSG_CHECKING(for ada-compiler)
6337 AC_ARG_WITH(ada-compiler,
6338         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
6339         [cf_ada_compiler=$withval],
6340         [cf_ada_compiler=gnatmake])
6341 AC_SUBST(cf_ada_compiler)
6342 AC_MSG_RESULT($cf_ada_compiler)
6343 ])dnl
6344 dnl ---------------------------------------------------------------------------
6345 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
6346 dnl -------------------
6347 dnl Command-line option to specify where Ada includes will install.
6348 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
6349 AC_MSG_CHECKING(for ada-include)
6350 CF_WITH_PATH(ada-include,
6351    [  --with-ada-include=DIR  Ada includes are in DIR],
6352    ADA_INCLUDE,
6353    PREFIX/share/ada/adainclude,
6354    [$]prefix/share/ada/adainclude)
6355 AC_SUBST(ADA_INCLUDE)
6356 AC_MSG_RESULT($ADA_INCLUDE)
6357 ])dnl
6358 dnl ---------------------------------------------------------------------------
6359 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
6360 dnl -------------------
6361 dnl Command-line option to specify where Ada objects will install.
6362 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
6363 AC_MSG_CHECKING(for ada-objects)
6364 CF_WITH_PATH(ada-objects,
6365    [  --with-ada-objects=DIR  Ada objects are in DIR],
6366    ADA_OBJECTS,
6367    PREFIX/lib/ada/adalib,
6368    [$]prefix/lib/ada/adalib)
6369 AC_SUBST(ADA_OBJECTS)
6370 AC_MSG_RESULT($ADA_OBJECTS)
6371 ])dnl
6372 dnl ---------------------------------------------------------------------------
6373 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
6374 dnl ---------------------
6375 dnl Command-line option to specify if an Ada95 shared-library should be built,
6376 dnl and optionally what its soname should be.
6377 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
6378 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
6379 AC_ARG_WITH(ada-sharedlib,
6380         [  --with-ada-sharedlib=XX build Ada95 shared-library],
6381         [with_ada_sharedlib=$withval],
6382         [with_ada_sharedlib=no])
6383 AC_MSG_RESULT($with_ada_sharedlib)
6384
6385 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
6386 MAKE_ADA_SHAREDLIB="#"
6387
6388 if test "x$with_ada_sharedlib" != xno
6389 then
6390         MAKE_ADA_SHAREDLIB=
6391         if test "x$with_ada_sharedlib" != xyes
6392         then
6393                 ADA_SHAREDLIB="$with_ada_sharedlib"
6394         fi
6395 fi
6396
6397 AC_SUBST(ADA_SHAREDLIB)
6398 AC_SUBST(MAKE_ADA_SHAREDLIB)
6399 ])dnl
6400 dnl ---------------------------------------------------------------------------
6401 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
6402 dnl ----------------
6403 dnl Configure-option for dbmalloc.  The optional parameter is used to override
6404 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6405 AC_DEFUN([CF_WITH_DBMALLOC],[
6406 CF_NO_LEAKS_OPTION(dbmalloc,
6407         [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
6408         [USE_DBMALLOC])
6409
6410 if test "$with_dbmalloc" = yes ; then
6411         AC_CHECK_HEADER(dbmalloc.h,
6412                 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
6413 fi
6414 ])dnl
6415 dnl ---------------------------------------------------------------------------
6416 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
6417 dnl ---------------
6418 dnl Configure-option for dmalloc.  The optional parameter is used to override
6419 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6420 AC_DEFUN([CF_WITH_DMALLOC],[
6421 CF_NO_LEAKS_OPTION(dmalloc,
6422         [  --with-dmalloc          test: use Gray Watson's dmalloc library],
6423         [USE_DMALLOC])
6424
6425 if test "$with_dmalloc" = yes ; then
6426         AC_CHECK_HEADER(dmalloc.h,
6427                 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
6428 fi
6429 ])dnl
6430 dnl ---------------------------------------------------------------------------
6431 dnl CF_WITH_GPM version: 7 updated: 2008/03/23 14:48:54
6432 dnl -----------
6433 dnl
6434 dnl The option parameter (if neither yes/no) is assumed to be the name of
6435 dnl the gpm library, e.g., for dynamic loading.
6436 AC_DEFUN([CF_WITH_GPM],
6437 [
6438 AC_MSG_CHECKING(if you want to link with the GPM mouse library)
6439 AC_ARG_WITH(gpm,
6440         [  --with-gpm              use Alessandro Rubini's GPM library],
6441         [with_gpm=$withval],
6442         [with_gpm=maybe])
6443 AC_MSG_RESULT($with_gpm)
6444
6445 if test "$with_gpm" != no ; then
6446         AC_CHECK_HEADER(gpm.h,[
6447                 AC_DEFINE(HAVE_GPM_H)
6448                 if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
6449                         CF_VERBOSE(assuming we really have GPM library)
6450                         AC_DEFINE(HAVE_LIBGPM)
6451                 else
6452                         AC_CHECK_LIB(gpm,Gpm_Open,[:],[
6453                                 AC_MSG_ERROR(Cannot link with GPM library)
6454                 fi
6455                 with_gpm=yes
6456                 ])
6457         ],[
6458                 test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
6459                 with_gpm=no
6460         ])
6461 fi
6462 ])
6463 dnl ---------------------------------------------------------------------------
6464 dnl CF_WITH_LIBTOOL version: 28 updated: 2011/07/02 15:40:32
6465 dnl ---------------
6466 dnl Provide a configure option to incorporate libtool.  Define several useful
6467 dnl symbols for the makefile rules.
6468 dnl
6469 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
6470 dnl macros from libtool.m4 which is in the aclocal directory of automake.
6471 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
6472 dnl But that still does not work properly since the macro is expanded outside
6473 dnl the CF_WITH_LIBTOOL macro:
6474 dnl
6475 dnl     #!/bin/sh
6476 dnl     ACLOCAL=`aclocal --print-ac-dir`
6477 dnl     if test -z "$ACLOCAL" ; then
6478 dnl             echo cannot find aclocal directory
6479 dnl             exit 1
6480 dnl     elif test ! -f $ACLOCAL/libtool.m4 ; then
6481 dnl             echo cannot find libtool.m4 file
6482 dnl             exit 1
6483 dnl     fi
6484 dnl
6485 dnl     LOCAL=aclocal.m4
6486 dnl     ORIG=aclocal.m4.orig
6487 dnl
6488 dnl     trap "mv $ORIG $LOCAL" 0 1 2 5 15
6489 dnl     rm -f $ORIG
6490 dnl     mv $LOCAL $ORIG
6491 dnl
6492 dnl     # sed the LIBTOOL= assignment to omit the current directory?
6493 dnl     sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
6494 dnl     cat $ORIG >>$LOCAL
6495 dnl
6496 dnl     autoconf-257 $*
6497 dnl
6498 AC_DEFUN([CF_WITH_LIBTOOL],
6499 [
6500 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
6501 ifdef([AC_PROG_LIBTOOL],,[
6502 LIBTOOL=
6503 ])
6504 # common library maintenance symbols that are convenient for libtool scripts:
6505 LIB_CREATE='${AR} -cr'
6506 LIB_OBJECT='${OBJECTS}'
6507 LIB_SUFFIX=.a
6508 LIB_PREP="$RANLIB"
6509
6510 # symbols used to prop libtool up to enable it to determine what it should be
6511 # doing:
6512 LIB_CLEAN=
6513 LIB_COMPILE=
6514 LIB_LINK='${CC}'
6515 LIB_INSTALL=
6516 LIB_UNINSTALL=
6517
6518 AC_MSG_CHECKING(if you want to build libraries with libtool)
6519 AC_ARG_WITH(libtool,
6520         [  --with-libtool          generate libraries with libtool],
6521         [with_libtool=$withval],
6522         [with_libtool=no])
6523 AC_MSG_RESULT($with_libtool)
6524 if test "$with_libtool" != "no"; then
6525 ifdef([AC_PROG_LIBTOOL],[
6526         # missing_content_AC_PROG_LIBTOOL{{
6527         AC_PROG_LIBTOOL
6528         # missing_content_AC_PROG_LIBTOOL}}
6529 ],[
6530         if test "$with_libtool" != "yes" ; then
6531                 CF_PATH_SYNTAX(with_libtool)
6532                 LIBTOOL=$with_libtool
6533         else
6534                 AC_PATH_PROG(LIBTOOL,libtool)
6535         fi
6536         if test -z "$LIBTOOL" ; then
6537                 AC_MSG_ERROR(Cannot find libtool)
6538         fi
6539 ])dnl
6540         LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
6541         LIB_OBJECT='${OBJECTS:.o=.lo}'
6542         LIB_SUFFIX=.la
6543         LIB_CLEAN='${LIBTOOL} --mode=clean'
6544         LIB_COMPILE='${LIBTOOL} --mode=compile'
6545         LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
6546         LIB_INSTALL='${LIBTOOL} --mode=install'
6547         LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
6548         LIB_PREP=:
6549
6550         # Show the version of libtool
6551         AC_MSG_CHECKING(version of libtool)
6552
6553         # Save the version in a cache variable - this is not entirely a good
6554         # thing, but the version string from libtool is very ugly, and for
6555         # bug reports it might be useful to have the original string. "("
6556         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
6557         AC_MSG_RESULT($cf_cv_libtool_version)
6558         if test -z "$cf_cv_libtool_version" ; then
6559                 AC_MSG_ERROR(This is not GNU libtool)
6560         fi
6561
6562         # special hack to add -no-undefined (which libtool should do for itself)
6563         LT_UNDEF=
6564         case "$cf_cv_system_name" in #(vi
6565         cygwin*|mingw32*|uwin*|aix[[4-7]]) #(vi
6566                 LT_UNDEF=-no-undefined
6567                 ;;
6568         esac
6569         AC_SUBST([LT_UNDEF])
6570
6571         # special hack to add --tag option for C++ compiler
6572         case $cf_cv_libtool_version in #(vi
6573         1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*) #(vi
6574                 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
6575                 LIBTOOL="$LIBTOOL --tag=CC"
6576                 ;;
6577         *)
6578                 LIBTOOL_CXX="$LIBTOOL"
6579                 ;;
6580         esac
6581 else
6582         LIBTOOL=""
6583         LIBTOOL_CXX=""
6584 fi
6585
6586 test -z "$LIBTOOL" && ECHO_LT=
6587
6588 AC_SUBST(LIBTOOL)
6589 AC_SUBST(LIBTOOL_CXX)
6590 AC_SUBST(LIBTOOL_OPTS)
6591
6592 AC_SUBST(LIB_CREATE)
6593 AC_SUBST(LIB_OBJECT)
6594 AC_SUBST(LIB_SUFFIX)
6595 AC_SUBST(LIB_PREP)
6596
6597 AC_SUBST(LIB_CLEAN)
6598 AC_SUBST(LIB_COMPILE)
6599 AC_SUBST(LIB_LINK)
6600 AC_SUBST(LIB_INSTALL)
6601 AC_SUBST(LIB_UNINSTALL)
6602
6603 ])dnl
6604 dnl ---------------------------------------------------------------------------
6605 dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
6606 dnl ------------
6607 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
6608 dnl defaulting to yes/no.
6609 dnl
6610 dnl $1 = option name
6611 dnl $2 = help-text
6612 dnl $3 = environment variable to set
6613 dnl $4 = default value, shown in the help-message, must be a constant
6614 dnl $5 = default value, if it's an expression & cannot be in the help-message
6615 dnl
6616 AC_DEFUN([CF_WITH_PATH],
6617 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
6618 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
6619 if ifelse([$5],,true,[test -n "$5"]) ; then
6620 CF_PATH_SYNTAX(withval)
6621 fi
6622 $3="$withval"
6623 AC_SUBST($3)dnl
6624 ])dnl
6625 dnl ---------------------------------------------------------------------------
6626 dnl CF_WITH_PATHLIST version: 7 updated: 2010/10/23 16:10:30
6627 dnl ----------------
6628 dnl Process an option specifying a list of colon-separated paths.
6629 dnl
6630 dnl $1 = option name
6631 dnl $2 = help-text
6632 dnl $3 = environment variable to set
6633 dnl $4 = default value, shown in the help-message, must be a constant
6634 dnl $5 = default value, if it's an expression & cannot be in the help-message
6635 dnl $6 = flag to tell if we want to define or substitute
6636 dnl
6637 AC_DEFUN([CF_WITH_PATHLIST],[
6638 AC_REQUIRE([CF_PATHSEP])
6639 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
6640 ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
6641
6642 IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
6643 cf_dst_path=
6644 for cf_src_path in $withval
6645 do
6646   CF_PATH_SYNTAX(cf_src_path)
6647   test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}:"
6648   cf_dst_path="${cf_dst_path}${cf_src_path}"
6649 done
6650 IFS="$ac_save_ifs"
6651
6652 ifelse($6,define,[
6653 # Strip single quotes from the value, e.g., when it was supplied as a literal
6654 # for $4 or $5.
6655 case $cf_dst_path in #(vi
6656 \'*)
6657   cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
6658   ;;
6659 esac
6660 cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
6661 ])
6662
6663 eval '$3="$cf_dst_path"'
6664 AC_SUBST($3)dnl
6665
6666 ])dnl
6667 dnl ---------------------------------------------------------------------------
6668 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
6669 dnl -------------------------
6670 dnl Allow the choice of the pkg-config library directory to be overridden.
6671 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
6672 if test "$PKG_CONFIG" != none ; then
6673         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
6674         AC_ARG_WITH(pkg-config-libdir,
6675                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
6676                 [PKG_CONFIG_LIBDIR=$withval],
6677                 [PKG_CONFIG_LIBDIR=yes])
6678
6679         case x$PKG_CONFIG_LIBDIR in #(vi
6680         x/*) #(vi
6681                 ;;
6682         xyes) #(vi
6683                 # look for the library directory using the same prefix as the executable
6684                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
6685                 case x`(arch) 2>/dev/null` in #(vi
6686                 *64) #(vi
6687                         for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
6688                         do
6689                                 if test -d $cf_config/pkgconfig
6690                                 then
6691                                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
6692                                         break
6693                                 fi
6694                         done
6695                         ;;
6696                 *)
6697                         PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
6698                         ;;
6699                 esac
6700                 ;;
6701         *)
6702                 ;;
6703         esac
6704
6705         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
6706 fi
6707
6708 AC_SUBST(PKG_CONFIG_LIBDIR)
6709 ])dnl
6710 dnl ---------------------------------------------------------------------------
6711 dnl CF_WITH_PTHREAD version: 5 updated: 2011/12/10 19:01:56
6712 dnl ---------------
6713 dnl Check for POSIX thread library.
6714 AC_DEFUN([CF_WITH_PTHREAD],
6715 [
6716 AC_MSG_CHECKING(if you want to link with the pthread library)
6717 AC_ARG_WITH(pthread,
6718     [  --with-pthread          use POSIX thread library],
6719     [with_pthread=$withval],
6720     [with_pthread=no])
6721 AC_MSG_RESULT($with_pthread)
6722
6723 if test "$with_pthread" != no ; then
6724     AC_CHECK_HEADER(pthread.h,[
6725         AC_DEFINE(HAVE_PTHREADS_H)
6726
6727         for cf_lib_pthread in pthread c_r
6728         do
6729             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
6730             cf_save_LIBS="$LIBS"
6731             CF_ADD_LIB($cf_lib_pthread)
6732             AC_TRY_LINK([
6733 #include <pthread.h>
6734 ],[
6735                 int rc = pthread_create(0,0,0,0);
6736                 int r2 = pthread_mutexattr_settype(0, 0);
6737 ],[with_pthread=yes],[with_pthread=no])
6738             LIBS="$cf_save_LIBS"
6739             AC_MSG_RESULT($with_pthread)
6740             test "$with_pthread" = yes && break
6741         done
6742
6743         if test "$with_pthread" = yes ; then
6744             CF_ADD_LIB($cf_lib_pthread)
6745             AC_DEFINE(HAVE_LIBPTHREADS)
6746         else
6747             AC_MSG_ERROR(Cannot link with pthread library)
6748         fi
6749     ])
6750 fi
6751 ])
6752 dnl ---------------------------------------------------------------------------
6753 dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
6754 dnl -------------------
6755 dnl Allow library's release-version to be overridden.  Generally this happens when a
6756 dnl packager has incremented the release-version past that used in the original package,
6757 dnl and wishes to keep doing this.
6758 dnl
6759 dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
6760 dnl and {package}_MINOR symbols
6761 dnl symbol.
6762 AC_DEFUN([CF_WITH_REL_VERSION],[
6763 test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
6764 AC_ARG_WITH(rel-version,
6765 [  --with-rel-version=XXX  override derived release version],
6766 [AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
6767  cf_cv_rel_version=$withval])
6768 ifelse($1,,[
6769  CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
6770 ],[
6771  $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
6772  $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
6773  CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
6774  CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
6775 ])
6776 ])dnl
6777 dnl ---------------------------------------------------------------------------
6778 dnl CF_WITH_SYSMOUSE version: 2 updated: 2003/03/22 19:13:43
6779 dnl ----------------
6780 dnl If we can compile with sysmouse, make it available unless it is not wanted.
6781 AC_DEFUN([CF_WITH_SYSMOUSE],[
6782 # not everyone has "test -c"
6783 if test -c /dev/sysmouse 2>/dev/null ; then
6784 AC_MSG_CHECKING(if you want to use sysmouse)
6785 AC_ARG_WITH(sysmouse,
6786         [  --with-sysmouse         use sysmouse (FreeBSD console)],
6787         [cf_with_sysmouse=$withval],
6788         [cf_with_sysmouse=maybe])
6789         if test "$cf_with_sysmouse" != no ; then
6790         AC_TRY_COMPILE([
6791 #include <osreldate.h>
6792 #if (__FreeBSD_version >= 400017)
6793 #include <sys/consio.h>
6794 #include <sys/fbio.h>
6795 #else
6796 #include <machine/console.h>
6797 #endif
6798 ],[
6799         struct mouse_info the_mouse;
6800         ioctl(0, CONS_MOUSECTL, &the_mouse);
6801 ],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
6802         fi
6803 AC_MSG_RESULT($cf_with_sysmouse)
6804 test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE)
6805 fi
6806 ])dnl
6807 dnl ---------------------------------------------------------------------------
6808 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
6809 dnl ----------------
6810 AC_DEFUN([CF_WITH_VALGRIND],[
6811 CF_NO_LEAKS_OPTION(valgrind,
6812         [  --with-valgrind         test: use valgrind],
6813         [USE_VALGRIND])
6814 ])dnl
6815 dnl ---------------------------------------------------------------------------
6816 dnl CF_XOPEN_SOURCE version: 42 updated: 2012/01/07 08:26:49
6817 dnl ---------------
6818 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
6819 dnl or adapt to the vendor's definitions to get equivalent functionality,
6820 dnl without losing the common non-POSIX features.
6821 dnl
6822 dnl Parameters:
6823 dnl     $1 is the nominal value for _XOPEN_SOURCE
6824 dnl     $2 is the nominal value for _POSIX_C_SOURCE
6825 AC_DEFUN([CF_XOPEN_SOURCE],[
6826
6827 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
6828 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
6829 cf_xopen_source=
6830
6831 case $host_os in #(vi
6832 aix[[4-7]]*) #(vi
6833         cf_xopen_source="-D_ALL_SOURCE"
6834         ;;
6835 cygwin) #(vi
6836         cf_XOPEN_SOURCE=600
6837         ;;
6838 darwin[[0-8]].*) #(vi
6839         cf_xopen_source="-D_APPLE_C_SOURCE"
6840         ;;
6841 darwin*) #(vi
6842         cf_xopen_source="-D_DARWIN_C_SOURCE"
6843         cf_XOPEN_SOURCE=
6844         ;;
6845 freebsd*|dragonfly*) #(vi
6846         # 5.x headers associate
6847         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
6848         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
6849         cf_POSIX_C_SOURCE=200112L
6850         cf_XOPEN_SOURCE=600
6851         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6852         ;;
6853 hpux11*) #(vi
6854         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
6855         ;;
6856 hpux*) #(vi
6857         cf_xopen_source="-D_HPUX_SOURCE"
6858         ;;
6859 irix[[56]].*) #(vi
6860         cf_xopen_source="-D_SGI_SOURCE"
6861         cf_XOPEN_SOURCE=
6862         ;;
6863 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
6864         CF_GNU_SOURCE
6865         ;;
6866 mirbsd*) #(vi
6867         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
6868         cf_XOPEN_SOURCE=
6869         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
6870         ;;
6871 netbsd*) #(vi
6872         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
6873         ;;
6874 openbsd[[4-9]]*) #(vi
6875         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
6876         cf_xopen_source="-D_BSD_SOURCE"
6877         cf_XOPEN_SOURCE=600
6878         ;;
6879 openbsd*) #(vi
6880         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
6881         ;;
6882 osf[[45]]*) #(vi
6883         cf_xopen_source="-D_OSF_SOURCE"
6884         ;;
6885 nto-qnx*) #(vi
6886         cf_xopen_source="-D_QNX_SOURCE"
6887         ;;
6888 sco*) #(vi
6889         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
6890         ;;
6891 solaris2.*) #(vi
6892         cf_xopen_source="-D__EXTENSIONS__"
6893         ;;
6894 *)
6895         CF_TRY_XOPEN_SOURCE
6896         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
6897         ;;
6898 esac
6899
6900 if test -n "$cf_xopen_source" ; then
6901         CF_ADD_CFLAGS($cf_xopen_source)
6902 fi
6903
6904 dnl In anything but the default case, we may have system-specific setting
6905 dnl which is still not guaranteed to provide all of the entrypoints that
6906 dnl _XOPEN_SOURCE would yield.
6907 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
6908         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
6909         AC_TRY_COMPILE([#include <stdlib.h>],[
6910 #ifndef _XOPEN_SOURCE
6911 make an error
6912 #endif],
6913         [cf_XOPEN_SOURCE_set=yes],
6914         [cf_XOPEN_SOURCE_set=no])
6915         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
6916         if test $cf_XOPEN_SOURCE_set = yes
6917         then
6918                 AC_TRY_COMPILE([#include <stdlib.h>],[
6919 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
6920 make an error
6921 #endif],
6922                 [cf_XOPEN_SOURCE_set_ok=yes],
6923                 [cf_XOPEN_SOURCE_set_ok=no])
6924                 if test $cf_XOPEN_SOURCE_set_ok = no
6925                 then
6926                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
6927                 fi
6928         else
6929                 CF_TRY_XOPEN_SOURCE
6930         fi
6931 fi
6932 ])