aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 1998-2010,2011 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 1.588 2011/11/26 21:41:37 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 $cf_cv_wchar_h_okay = no
 994 then
 995         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
 996 fi
 997 ])dnl
 998 dnl ---------------------------------------------------------------------------
 999 dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18
1000 dnl -----------------
1001 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1002 dnl is a late feature for the standard and is not in some recent compilers
1003 dnl (1999/9/11).
1004 AC_DEFUN([CF_CPP_PARAM_INIT],
1005 [
1006 if test -n "$CXX"; then
1007 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1008         AC_LANG_SAVE
1009         AC_LANG_CPLUSPLUS
1010         AC_TRY_RUN([
1011 class TEST {
1012 private:
1013         int value;
1014 public:
1015         TEST(int x = 1);
1016         ~TEST();
1017 };
1018
1019 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1020 {
1021         value = x;
1022 }
1023 void main() { }
1024 ],
1025         [cf_cv_cpp_param_init=yes],
1026         [cf_cv_cpp_param_init=no],
1027         [cf_cv_cpp_param_init=unknown])
1028         AC_LANG_RESTORE
1029 ])
1030 fi
1031 test "$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 "$cf_disable_rpath_hack" = no ; then
1258         CF_RPATH_HACK
1259 fi
1260 ])
1261 dnl ---------------------------------------------------------------------------
1262 dnl CF_ENABLE_PC_FILES version: 6 updated: 2011/09/10 16:31:04
1263 dnl ------------------
1264 dnl This is the "--enable-pc-files" option, which is available if there is a
1265 dnl pkg-config configuration on the local machine.
1266 AC_DEFUN([CF_ENABLE_PC_FILES],[
1267 AC_REQUIRE([CF_PKG_CONFIG])
1268 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1269
1270 if test "$PKG_CONFIG" != no ; 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($cf_cv_enable_rpath)
1299 ])dnl
1300 dnl ---------------------------------------------------------------------------
1301 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1302 dnl --------
1303 dnl Check if 'errno' is declared in <errno.h>
1304 AC_DEFUN([CF_ERRNO],
1305 [
1306 CF_CHECK_ERRNO(errno)
1307 ])dnl
1308 dnl ---------------------------------------------------------------------------
1309 dnl CF_ETIP_DEFINES version: 3 updated: 2003/03/22 19:13:43
1310 dnl ---------------
1311 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1312 dnl math.h and builtin.h, only for ncurses
1313 AC_DEFUN([CF_ETIP_DEFINES],
1314 [
1315 AC_MSG_CHECKING(for special defines needed for etip.h)
1316 cf_save_CXXFLAGS="$CXXFLAGS"
1317 cf_result="none"
1318 for cf_math in "" MATH_H
1319 do
1320 for cf_excp in "" MATH_EXCEPTION
1321 do
1322         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -I${srcdir}/include"
1323         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1324         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1325 AC_TRY_COMPILE([
1326 #include <etip.h.in>
1327 ],[],[
1328         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1329         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1330         cf_result="$cf_math $cf_excp"
1331         break
1332 ],[])
1333 done
1334 done
1335 AC_MSG_RESULT($cf_result)
1336 CXXFLAGS="$cf_save_CXXFLAGS"
1337 ])
1338 dnl ---------------------------------------------------------------------------
1339 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1340 dnl ---------------
1341 dnl Find a library (specifically the linkage used in the code fragment),
1342 dnl searching for it if it is not already in the library path.
1343 dnl See also CF_ADD_SEARCHPATH.
1344 dnl
1345 dnl Parameters (4-on are optional):
1346 dnl     $1 = headers for library entrypoint
1347 dnl     $2 = code fragment for library entrypoint
1348 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1349 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1350 dnl     $5 = action to perform if not successful
1351 dnl     $6 = module name, if not the same as the library name
1352 dnl     $7 = extra libraries
1353 dnl
1354 dnl Sets these variables:
1355 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1356 dnl     $cf_cv_header_path_$3 - include-directory if needed
1357 dnl     $cf_cv_library_path_$3 - library-directory if needed
1358 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1359 AC_DEFUN([CF_FIND_LINKAGE],[
1360
1361 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1362 # will be set on completion of the AC_TRY_LINK below.
1363 cf_cv_header_path_$3=
1364 cf_cv_library_path_$3=
1365
1366 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1367
1368 cf_save_LIBS="$LIBS"
1369
1370 AC_TRY_LINK([$1],[$2],[
1371         cf_cv_find_linkage_$3=yes
1372         cf_cv_header_path_$3=/usr/include
1373         cf_cv_library_path_$3=/usr/lib
1374 ],[
1375
1376 LIBS="-l$3 $7 $cf_save_LIBS"
1377
1378 AC_TRY_LINK([$1],[$2],[
1379         cf_cv_find_linkage_$3=yes
1380         cf_cv_header_path_$3=/usr/include
1381         cf_cv_library_path_$3=/usr/lib
1382         cf_cv_library_file_$3="-l$3"
1383 ],[
1384         cf_cv_find_linkage_$3=no
1385         LIBS="$cf_save_LIBS"
1386
1387     CF_VERBOSE(find linkage for $3 library)
1388     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1389
1390     cf_save_CPPFLAGS="$CPPFLAGS"
1391     cf_test_CPPFLAGS="$CPPFLAGS"
1392
1393     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1394     for cf_cv_header_path_$3 in $cf_search
1395     do
1396       if test -d $cf_cv_header_path_$3 ; then
1397         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1398         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1399         AC_TRY_COMPILE([$1],[$2],[
1400             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1401             cf_cv_find_linkage_$3=maybe
1402             cf_test_CPPFLAGS="$CPPFLAGS"
1403             break],[
1404             CPPFLAGS="$cf_save_CPPFLAGS"
1405             ])
1406       fi
1407     done
1408
1409     if test "$cf_cv_find_linkage_$3" = maybe ; then
1410
1411       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1412
1413       cf_save_LIBS="$LIBS"
1414       cf_save_LDFLAGS="$LDFLAGS"
1415
1416       ifelse([$6],,,[
1417         CPPFLAGS="$cf_test_CPPFLAGS"
1418         LIBS="-l$3 $7 $cf_save_LIBS"
1419         AC_TRY_LINK([$1],[$2],[
1420             CF_VERBOSE(... found $3 library in system)
1421             cf_cv_find_linkage_$3=yes])
1422             CPPFLAGS="$cf_save_CPPFLAGS"
1423             LIBS="$cf_save_LIBS"
1424             ])
1425
1426       if test "$cf_cv_find_linkage_$3" != yes ; then
1427         CF_LIBRARY_PATH(cf_search,$3)
1428         for cf_cv_library_path_$3 in $cf_search
1429         do
1430           if test -d $cf_cv_library_path_$3 ; then
1431             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1432             CPPFLAGS="$cf_test_CPPFLAGS"
1433             LIBS="-l$3 $7 $cf_save_LIBS"
1434             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1435             AC_TRY_LINK([$1],[$2],[
1436                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1437                 cf_cv_find_linkage_$3=yes
1438                 cf_cv_library_file_$3="-l$3"
1439                 break],[
1440                 CPPFLAGS="$cf_save_CPPFLAGS"
1441                 LIBS="$cf_save_LIBS"
1442                 LDFLAGS="$cf_save_LDFLAGS"
1443                 ])
1444           fi
1445         done
1446         CPPFLAGS="$cf_save_CPPFLAGS"
1447         LDFLAGS="$cf_save_LDFLAGS"
1448       fi
1449
1450     else
1451       cf_cv_find_linkage_$3=no
1452     fi
1453     ],$7)
1454 ])
1455
1456 LIBS="$cf_save_LIBS"
1457
1458 if test "$cf_cv_find_linkage_$3" = yes ; then
1459 ifelse([$4],,[
1460         CF_ADD_INCDIR($cf_cv_header_path_$3)
1461         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1462         CF_ADD_LIB($3)
1463 ],[$4])
1464 else
1465 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1466 fi
1467 ])dnl
1468 dnl ---------------------------------------------------------------------------
1469 dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
1470 dnl -------------
1471 dnl Test for dlsym() and related functions, as well as libdl.
1472 dnl
1473 dnl Sets
1474 dnl     $cf_have_dlsym
1475 dnl     $cf_have_libdl
1476 AC_DEFUN([CF_FUNC_DLSYM],[
1477 cf_have_dlsym=no
1478 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1479
1480 cf_have_libdl=no
1481 AC_CHECK_LIB(dl,dlsym,[
1482         cf_have_dlsym=yes
1483         cf_have_libdl=yes])])
1484
1485 if test "$cf_have_dlsym" = yes ; then
1486         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1487
1488         AC_MSG_CHECKING(whether able to link to dl*() functions)
1489         AC_TRY_LINK([#include <dlfcn.h>],[
1490                 void *obj;
1491                 if ((obj = dlopen("filename", 0)) != 0) {
1492                         if (dlsym(obj, "symbolname") == 0) {
1493                         dlclose(obj);
1494                         }
1495                 }],[
1496                 AC_DEFINE(HAVE_LIBDL)],[
1497                 AC_MSG_ERROR(Cannot link test program for libdl)])
1498         AC_MSG_RESULT(ok)
1499 else
1500         AC_MSG_ERROR(Cannot find dlsym function)
1501 fi
1502 ])
1503 dnl ---------------------------------------------------------------------------
1504 dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
1505 dnl ---------------
1506 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1507 dnl is found, add our own version of memmove to the list of objects.
1508 AC_DEFUN([CF_FUNC_MEMMOVE],
1509 [
1510 AC_CHECK_FUNC(memmove,,[
1511 AC_CHECK_FUNC(bcopy,[
1512         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1513                 AC_TRY_RUN([
1514 int main() {
1515         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1516         char temp[40];
1517         bcopy(data, temp, sizeof(data));
1518         bcopy(temp+10, temp, 15);
1519         bcopy(temp+5, temp+15, 10);
1520         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1521 }
1522                 ],
1523                 [cf_cv_good_bcopy=yes],
1524                 [cf_cv_good_bcopy=no],
1525                 [cf_cv_good_bcopy=unknown])
1526                 ])
1527         ],[cf_cv_good_bcopy=no])
1528         if test "$cf_cv_good_bcopy" = yes ; then
1529                 AC_DEFINE(USE_OK_BCOPY)
1530         else
1531                 AC_DEFINE(USE_MY_MEMMOVE)
1532         fi
1533 ])])dnl
1534 dnl ---------------------------------------------------------------------------
1535 dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
1536 dnl -----------------
1537 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1538 dnl AIX 4.x, provide a non-working version.
1539 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1540 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1541 AC_TRY_RUN([
1542 #include <stdio.h>
1543 #include <errno.h>
1544 #include <time.h>
1545
1546 #ifdef HAVE_SYS_TIME_H
1547 #include <sys/time.h>
1548 #endif
1549
1550 int main() {
1551         struct timespec ts1, ts2;
1552         int code;
1553         ts1.tv_sec  = 0;
1554         ts1.tv_nsec = 750000000;
1555         ts2.tv_sec  = 0;
1556         ts2.tv_nsec = 0;
1557         errno = 0;
1558         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1559         ${cf_cv_main_return:-return}(code != 0);
1560 }
1561 ],
1562         [cf_cv_func_nanosleep=yes],
1563         [cf_cv_func_nanosleep=no],
1564         [cf_cv_func_nanosleep=unknown])])
1565
1566 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
1567 ])
1568 dnl ---------------------------------------------------------------------------
1569 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1570 dnl ---------------
1571 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1572 dnl "util" library as well.
1573 AC_DEFUN([CF_FUNC_OPENPTY],
1574 [
1575 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1576 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1577     cf_save_LIBS="$LIBS"
1578     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1579     for cf_header in pty.h libutil.h util.h
1580     do
1581     AC_TRY_LINK([
1582 #include <$cf_header>
1583 ],[
1584     int x = openpty((int *)0, (int *)0, (char *)0,
1585                    (struct termios *)0, (struct winsize *)0);
1586 ],[
1587         cf_cv_func_openpty=$cf_header
1588         break
1589 ],[
1590         cf_cv_func_openpty=no
1591 ])
1592     done
1593     LIBS="$cf_save_LIBS"
1594 ])
1595 ])dnl
1596 dnl ---------------------------------------------------------------------------
1597 dnl CF_FUNC_POLL version: 4 updated: 2006/12/16 12:33:30
1598 dnl ------------
1599 dnl See if the poll function really works.  Some platforms have poll(), but
1600 dnl it does not work for terminals or files.
1601 AC_DEFUN([CF_FUNC_POLL],[
1602 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1603 AC_TRY_RUN([
1604 #include <stdio.h>
1605 #ifdef HAVE_POLL_H
1606 #include <poll.h>
1607 #else
1608 #include <sys/poll.h>
1609 #endif
1610 int main() {
1611         struct pollfd myfds;
1612         int ret;
1613
1614         myfds.fd = 0;
1615         myfds.events = POLLIN;
1616
1617         ret = poll(&myfds, 1, 100);
1618         ${cf_cv_main_return:-return}(ret != 0);
1619 }],
1620         [cf_cv_working_poll=yes],
1621         [cf_cv_working_poll=no],
1622         [cf_cv_working_poll=unknown])])
1623 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
1624 ])dnl
1625 dnl ---------------------------------------------------------------------------
1626 dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
1627 dnl ---------------
1628 dnl Some old/broken variations define tcgetattr() only as a macro in
1629 dnl termio(s).h
1630 AC_DEFUN([CF_FUNC_TERMIOS],[
1631 AC_REQUIRE([CF_STRUCT_TERMIOS])
1632 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1633 AC_TRY_LINK([
1634 #include <sys/types.h>
1635 #ifdef HAVE_UNISTD_H
1636 #include <unistd.h>
1637 #endif
1638 #ifdef HAVE_TERMIOS_H
1639 #include <termios.h>
1640 #define TTY struct termios
1641 #else
1642 #ifdef HAVE_TERMIO_H
1643 #include <termio.h>
1644 #define TTY struct termio
1645 #endif
1646 #endif
1647 ],[
1648 TTY foo;
1649 tcgetattr(1, &foo);],
1650 [cf_cv_have_tcgetattr=yes],
1651 [cf_cv_have_tcgetattr=no])])
1652 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
1653 ])dnl
1654 dnl ---------------------------------------------------------------------------
1655 dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
1656 dnl ---------------
1657 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1658 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1659 dnl other functions.
1660 AC_DEFUN([CF_FUNC_VSSCANF],
1661 [
1662 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1663 AC_TRY_LINK([
1664 #include <stdarg.h>
1665 #include <stdio.h>],[
1666         va_list ap;
1667         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1668 AC_TRY_LINK([
1669 #include <stdarg.h>
1670 #include <stdio.h>],[
1671     FILE strbuf;
1672     char *str = "from";
1673
1674     strbuf._flag = _IOREAD;
1675     strbuf._ptr = strbuf._base = (unsigned char *) str;
1676     strbuf._cnt = strlen(str);
1677     strbuf._file = _NFILE;
1678     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1679 AC_TRY_LINK([
1680 #include <stdarg.h>
1681 #include <stdio.h>],[
1682     FILE strbuf;
1683     char *str = "from";
1684
1685     strbuf._flag = _IOREAD;
1686     strbuf._ptr = strbuf._base = (unsigned char *) str;
1687     strbuf._cnt = strlen(str);
1688     strbuf._file = _NFILE;
1689     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1690 cf_cv_func_vsscanf=no])])])])
1691
1692 case $cf_cv_func_vsscanf in #(vi
1693 vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
1694 vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
1695 _doscan) AC_DEFINE(HAVE__DOSCAN);;
1696 esac
1697
1698 ])dnl
1699 dnl ---------------------------------------------------------------------------
1700 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1701 dnl -----------------
1702 dnl Test for availability of useful gcc __attribute__ directives to quiet
1703 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1704 dnl to documentation, unrecognized directives cause older compilers to barf.
1705 AC_DEFUN([CF_GCC_ATTRIBUTES],
1706 [
1707 if test "$GCC" = yes
1708 then
1709 cat > conftest.i <<EOF
1710 #ifndef GCC_PRINTF
1711 #define GCC_PRINTF 0
1712 #endif
1713 #ifndef GCC_SCANF
1714 #define GCC_SCANF 0
1715 #endif
1716 #ifndef GCC_NORETURN
1717 #define GCC_NORETURN /* nothing */
1718 #endif
1719 #ifndef GCC_UNUSED
1720 #define GCC_UNUSED /* nothing */
1721 #endif
1722 EOF
1723 if test "$GCC" = yes
1724 then
1725         AC_CHECKING([for $CC __attribute__ directives])
1726 cat > conftest.$ac_ext <<EOF
1727 #line __oline__ "${as_me:-configure}"
1728 #include "confdefs.h"
1729 #include "conftest.h"
1730 #include "conftest.i"
1731 #if     GCC_PRINTF
1732 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1733 #else
1734 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1735 #endif
1736 #if     GCC_SCANF
1737 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1738 #else
1739 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1740 #endif
1741 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1742 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1743 extern void foo(void) GCC_NORETURN;
1744 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1745 EOF
1746         cf_printf_attribute=no
1747         cf_scanf_attribute=no
1748         for cf_attribute in scanf printf unused noreturn
1749         do
1750                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1751                 cf_directive="__attribute__(($cf_attribute))"
1752                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1753
1754                 case $cf_attribute in #(vi
1755                 printf) #(vi
1756                         cf_printf_attribute=yes
1757                         cat >conftest.h <<EOF
1758 #define GCC_$cf_ATTRIBUTE 1
1759 EOF
1760                         ;;
1761                 scanf) #(vi
1762                         cf_scanf_attribute=yes
1763                         cat >conftest.h <<EOF
1764 #define GCC_$cf_ATTRIBUTE 1
1765 EOF
1766                         ;;
1767                 *) #(vi
1768                         cat >conftest.h <<EOF
1769 #define GCC_$cf_ATTRIBUTE $cf_directive
1770 EOF
1771                         ;;
1772                 esac
1773
1774                 if AC_TRY_EVAL(ac_compile); then
1775                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1776                         cat conftest.h >>confdefs.h
1777                         case $cf_attribute in #(vi
1778                         printf) #(vi
1779                                 if test "$cf_printf_attribute" = no ; then
1780                                         cat >>confdefs.h <<EOF
1781 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1782 EOF
1783                                 else
1784                                         cat >>confdefs.h <<EOF
1785 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1786 EOF
1787                                 fi
1788                                 ;;
1789                         scanf) #(vi
1790                                 if test "$cf_scanf_attribute" = no ; then
1791                                         cat >>confdefs.h <<EOF
1792 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1793 EOF
1794                                 else
1795                                         cat >>confdefs.h <<EOF
1796 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1797 EOF
1798                                 fi
1799                                 ;;
1800                         esac
1801                 fi
1802         done
1803 else
1804         fgrep define conftest.i >>confdefs.h
1805 fi
1806 rm -rf conftest*
1807 fi
1808 ])dnl
1809 dnl ---------------------------------------------------------------------------
1810 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1811 dnl --------------
1812 dnl Find version of gcc
1813 AC_DEFUN([CF_GCC_VERSION],[
1814 AC_REQUIRE([AC_PROG_CC])
1815 GCC_VERSION=none
1816 if test "$GCC" = yes ; then
1817         AC_MSG_CHECKING(version of $CC)
1818         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1819         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1820         AC_MSG_RESULT($GCC_VERSION)
1821 fi
1822 ])dnl
1823 dnl ---------------------------------------------------------------------------
1824 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1825 dnl ---------------
1826 dnl Check if the compiler supports useful warning options.  There's a few that
1827 dnl we don't use, simply because they're too noisy:
1828 dnl
1829 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1830 dnl     -Wredundant-decls (system headers make this too noisy)
1831 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1832 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1833 dnl             is enabled for ncurses using "--enable-const".
1834 dnl     -pedantic
1835 dnl
1836 dnl Parameter:
1837 dnl     $1 is an optional list of gcc warning flags that a particular
1838 dnl             application might want to use, e.g., "no-unused" for
1839 dnl             -Wno-unused
1840 dnl Special:
1841 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1842 dnl
1843 AC_DEFUN([CF_GCC_WARNINGS],
1844 [
1845 AC_REQUIRE([CF_GCC_VERSION])
1846 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1847
1848 cat > conftest.$ac_ext <<EOF
1849 #line __oline__ "${as_me:-configure}"
1850 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1851 EOF
1852
1853 if test "$INTEL_COMPILER" = yes
1854 then
1855 # The "-wdXXX" options suppress warnings:
1856 # remark #1419: external declaration in primary source file
1857 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1858 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1859 # remark #193: zero used for undefined preprocessing identifier
1860 # remark #593: variable "curs_sb_left_arrow" was set but never used
1861 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1862 # remark #869: parameter "tw" was never referenced
1863 # remark #981: operands are evaluated in unspecified order
1864 # warning #279: controlling expression is constant
1865
1866         AC_CHECKING([for $CC warning options])
1867         cf_save_CFLAGS="$CFLAGS"
1868         EXTRA_CFLAGS="-Wall"
1869         for cf_opt in \
1870                 wd1419 \
1871                 wd1683 \
1872                 wd1684 \
1873                 wd193 \
1874                 wd593 \
1875                 wd279 \
1876                 wd810 \
1877                 wd869 \
1878                 wd981
1879         do
1880                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1881                 if AC_TRY_EVAL(ac_compile); then
1882                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1883                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1884                 fi
1885         done
1886         CFLAGS="$cf_save_CFLAGS"
1887
1888 elif test "$GCC" = yes
1889 then
1890         AC_CHECKING([for $CC warning options])
1891         cf_save_CFLAGS="$CFLAGS"
1892         EXTRA_CFLAGS=
1893         cf_warn_CONST=""
1894         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1895         for cf_opt in W Wall \
1896                 Wbad-function-cast \
1897                 Wcast-align \
1898                 Wcast-qual \
1899                 Winline \
1900                 Wmissing-declarations \
1901                 Wmissing-prototypes \
1902                 Wnested-externs \
1903                 Wpointer-arith \
1904                 Wshadow \
1905                 Wstrict-prototypes \
1906                 Wundef $cf_warn_CONST $1
1907         do
1908                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1909                 if AC_TRY_EVAL(ac_compile); then
1910                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1911                         case $cf_opt in #(vi
1912                         Wcast-qual) #(vi
1913                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1914                                 ;;
1915                         Winline) #(vi
1916                                 case $GCC_VERSION in
1917                                 [[34]].*)
1918                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1919                                         continue;;
1920                                 esac
1921                                 ;;
1922                         esac
1923                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1924                 fi
1925         done
1926         CFLAGS="$cf_save_CFLAGS"
1927 fi
1928 rm -rf conftest*
1929
1930 AC_SUBST(EXTRA_CFLAGS)
1931 ])dnl
1932 dnl ---------------------------------------------------------------------------
1933 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
1934 dnl ----------------
1935 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1936 dnl unistd.h or (nonstandard) in getopt.h
1937 AC_DEFUN([CF_GETOPT_HEADER],
1938 [
1939 AC_HAVE_HEADERS(unistd.h getopt.h)
1940 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1941 cf_cv_getopt_header=none
1942 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1943 do
1944 AC_TRY_COMPILE([
1945 #include <$cf_header>],
1946 [int x = optind; char *y = optarg],
1947 [cf_cv_getopt_header=$cf_header
1948  break])
1949 done
1950 ])
1951 if test $cf_cv_getopt_header != none ; then
1952         AC_DEFINE(HAVE_GETOPT_HEADER)
1953 fi
1954 ])dnl
1955 dnl ---------------------------------------------------------------------------
1956 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1957 dnl ----------------
1958 AC_DEFUN([CF_GNAT_GENERICS],
1959 [
1960 AC_REQUIRE([CF_GNAT_VERSION])
1961
1962 AC_MSG_CHECKING(if GNAT supports generics)
1963 case $cf_gnat_version in #(vi
1964 3.[[1-9]]*|[[4-9]].*) #(vi
1965         cf_gnat_generics=yes
1966         ;;
1967 *)
1968         cf_gnat_generics=no
1969         ;;
1970 esac
1971 AC_MSG_RESULT($cf_gnat_generics)
1972
1973 if test "$cf_gnat_generics" = yes
1974 then
1975         cf_compile_generics=generics
1976         cf_generic_objects="\${GENOBJS}"
1977 else
1978         cf_compile_generics=
1979         cf_generic_objects=
1980 fi
1981
1982 AC_SUBST(cf_compile_generics)
1983 AC_SUBST(cf_generic_objects)
1984 ])dnl
1985 dnl ---------------------------------------------------------------------------
1986 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1987 dnl --------------------
1988 dnl Check if the gnat pragma "Unreferenced" works.
1989 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1990 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1991 CF_GNAT_TRY_LINK([procedure conftest;],
1992 [with Text_IO;
1993 with GNAT.OS_Lib;
1994 procedure conftest is
1995    test : Integer;
1996    pragma Unreferenced (test);
1997 begin
1998    test := 1;
1999    Text_IO.Put ("Hello World");
2000    Text_IO.New_Line;
2001    GNAT.OS_Lib.OS_Exit (0);
2002 end conftest;],
2003         [cf_cv_pragma_unreferenced=yes],
2004         [cf_cv_pragma_unreferenced=no])])
2005
2006 # if the pragma is supported, use it (needed in the Trace code).
2007 if test $cf_cv_pragma_unreferenced = yes ; then
2008         PRAGMA_UNREF=TRUE
2009 else
2010         PRAGMA_UNREF=FALSE
2011 fi
2012 AC_SUBST(PRAGMA_UNREF)
2013 ])dnl
2014 dnl ---------------------------------------------------------------------------
2015 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
2016 dnl ----------------
2017 dnl GNAT projects are configured with ".gpr" project files.
2018 dnl GNAT libraries are a further development, using the project feature.
2019 AC_DEFUN([CF_GNAT_PROJECTS],
2020 [
2021 AC_REQUIRE([CF_GNAT_VERSION])
2022
2023 cf_gnat_libraries=no
2024 cf_gnat_projects=no
2025
2026 AC_MSG_CHECKING(if GNAT supports project files)
2027 case $cf_gnat_version in #(vi
2028 3.[[0-9]]*) #(vi
2029         ;;
2030 *)
2031         case $cf_cv_system_name in #(vi
2032         cygwin*) #(vi
2033                 ;;
2034         *)
2035                 mkdir conftest.src conftest.bin conftest.lib
2036                 cd conftest.src
2037                 rm -rf conftest* *~conftest*
2038                 cat >>library.gpr <<CF_EOF
2039 project Library is
2040   Kind := External ("LIB_KIND");
2041   for Library_Name use "ConfTest";
2042   for Object_Dir use ".";
2043   for Library_ALI_Dir use External("LIBRARY_DIR");
2044   for Library_Version use External ("SONAME");
2045   for Library_Kind use Kind;
2046   for Library_Dir use External("BUILD_DIR");
2047   Source_Dir := External ("SOURCE_DIR");
2048   for Source_Dirs use (Source_Dir);
2049   package Compiler is
2050      for Default_Switches ("Ada") use
2051        ("-g",
2052         "-O2",
2053         "-gnatafno",
2054         "-gnatVa",   -- All validity checks
2055         "-gnatwa");  -- Activate all optional errors
2056   end Compiler;
2057 end Library;
2058 CF_EOF
2059                 cat >>confpackage.ads <<CF_EOF
2060 package ConfPackage is
2061    procedure conftest;
2062 end ConfPackage;
2063 CF_EOF
2064                 cat >>confpackage.adb <<CF_EOF
2065 with Text_IO;
2066 package body ConfPackage is
2067    procedure conftest is
2068    begin
2069       Text_IO.Put ("Hello World");
2070       Text_IO.New_Line;
2071    end conftest;
2072 end ConfPackage;
2073 CF_EOF
2074                 if ( $cf_ada_make $ADAFLAGS \
2075                                 -Plibrary.gpr \
2076                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2077                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2078                                 -XSOURCE_DIR=`pwd` \
2079                                 -XSONAME=libConfTest.so.1 \
2080                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2081                         cf_gnat_projects=yes
2082                 fi
2083                 cd ..
2084                 if test -f conftest.lib/confpackage.ali
2085                 then
2086                         cf_gnat_libraries=yes
2087                 fi
2088                 rm -rf conftest* *~conftest*
2089                 ;;
2090         esac
2091         ;;
2092 esac
2093 AC_MSG_RESULT($cf_gnat_projects)
2094
2095 if test $cf_gnat_projects = yes
2096 then
2097         AC_MSG_CHECKING(if GNAT supports libraries)
2098         AC_MSG_RESULT($cf_gnat_libraries)
2099 fi
2100
2101 if test "$cf_gnat_projects" = yes
2102 then
2103         USE_OLD_MAKERULES="#"
2104         USE_GNAT_PROJECTS=""
2105 else
2106         USE_OLD_MAKERULES=""
2107         USE_GNAT_PROJECTS="#"
2108 fi
2109
2110 if test "$cf_gnat_libraries" = yes
2111 then
2112         USE_GNAT_LIBRARIES=""
2113 else
2114         USE_GNAT_LIBRARIES="#"
2115 fi
2116
2117 AC_SUBST(USE_OLD_MAKERULES)
2118 AC_SUBST(USE_GNAT_PROJECTS)
2119 AC_SUBST(USE_GNAT_LIBRARIES)
2120 ])dnl
2121 dnl ---------------------------------------------------------------------------
2122 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2123 dnl --------------
2124 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2125 dnl is noted that gnat may compile a tasking unit even for configurations which
2126 dnl fail at runtime.
2127 AC_DEFUN([CF_GNAT_SIGINT],[
2128 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2129 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2130
2131 package ConfTest is
2132
2133    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2134    pragma Unreserve_All_Interrupts;
2135    pragma Warnings (On);
2136
2137    protected Process is
2138       procedure Stop;
2139       function Continue return Boolean;
2140       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2141    private
2142       Done : Boolean := False;
2143    end Process;
2144
2145 end ConfTest;],
2146 [package body ConfTest is
2147    protected body Process is
2148       procedure Stop is
2149       begin
2150          Done := True;
2151       end Stop;
2152       function Continue return Boolean is
2153       begin
2154          return not Done;
2155       end Continue;
2156    end Process;
2157 end ConfTest;],
2158         [cf_cv_gnat_sigint=yes],
2159         [cf_cv_gnat_sigint=no])])
2160
2161 if test $cf_cv_gnat_sigint = yes ; then
2162         USE_GNAT_SIGINT=""
2163 else
2164         USE_GNAT_SIGINT="#"
2165 fi
2166 AC_SUBST(USE_GNAT_SIGINT)
2167 ])dnl
2168 dnl ---------------------------------------------------------------------------
2169 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2170 dnl ----------------
2171 dnl Verify that a test program compiles/links with GNAT.
2172 dnl $cf_ada_make is set to the program that compiles/links
2173 dnl $ADAFLAGS may be set to the GNAT flags.
2174 dnl
2175 dnl $1 is the text of the spec
2176 dnl $2 is the text of the body
2177 dnl $3 is the shell command to execute if successful
2178 dnl $4 is the shell command to execute if not successful
2179 AC_DEFUN([CF_GNAT_TRY_LINK],
2180 [
2181 rm -rf conftest* *~conftest*
2182 cat >>conftest.ads <<CF_EOF
2183 $1
2184 CF_EOF
2185 cat >>conftest.adb <<CF_EOF
2186 $2
2187 CF_EOF
2188 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2189 ifelse($3,,      :,[      $3])
2190 ifelse($4,,,[else
2191    $4])
2192 fi
2193 rm -rf conftest* *~conftest*
2194 ])dnl
2195 dnl ---------------------------------------------------------------------------
2196 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2197 dnl ---------------
2198 dnl Verify that a test program compiles and runs with GNAT
2199 dnl $cf_ada_make is set to the program that compiles/links
2200 dnl $ADAFLAGS may be set to the GNAT flags.
2201 dnl
2202 dnl $1 is the text of the spec
2203 dnl $2 is the text of the body
2204 dnl $3 is the shell command to execute if successful
2205 dnl $4 is the shell command to execute if not successful
2206 AC_DEFUN([CF_GNAT_TRY_RUN],
2207 [
2208 rm -rf conftest* *~conftest*
2209 cat >>conftest.ads <<CF_EOF
2210 $1
2211 CF_EOF
2212 cat >>conftest.adb <<CF_EOF
2213 $2
2214 CF_EOF
2215 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2216    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2217 ifelse($3,,      :,[      $3])
2218 ifelse($4,,,[   else
2219       $4])
2220    fi
2221 ifelse($4,,,[else
2222    $4])
2223 fi
2224 rm -rf conftest* *~conftest*
2225 ])dnl
2226 dnl ---------------------------------------------------------------------------
2227 dnl CF_GNAT_VERSION version: 17 updated: 2011/03/23 20:24:41
2228 dnl ---------------
2229 dnl Verify version of GNAT.
2230 AC_DEFUN([CF_GNAT_VERSION],
2231 [
2232 AC_MSG_CHECKING(for gnat version)
2233 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2234         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2235     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2236 AC_MSG_RESULT($cf_gnat_version)
2237
2238 case $cf_gnat_version in #(vi
2239 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
2240         cf_cv_prog_gnat_correct=yes
2241         ;;
2242 *)
2243         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2244         cf_cv_prog_gnat_correct=no
2245         ;;
2246 esac
2247 ])
2248 dnl ---------------------------------------------------------------------------
2249 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2250 dnl -------------
2251 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2252 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2253 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2254 dnl since it is interwoven with GNU extensions.
2255 dnl
2256 dnl Well, yes we could work around it...
2257 AC_DEFUN([CF_GNU_SOURCE],
2258 [
2259 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2260 AC_TRY_COMPILE([#include <sys/types.h>],[
2261 #ifndef _XOPEN_SOURCE
2262 make an error
2263 #endif],
2264         [cf_cv_gnu_source=no],
2265         [cf_save="$CPPFLAGS"
2266          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2267          AC_TRY_COMPILE([#include <sys/types.h>],[
2268 #ifdef _XOPEN_SOURCE
2269 make an error
2270 #endif],
2271         [cf_cv_gnu_source=no],
2272         [cf_cv_gnu_source=yes])
2273         CPPFLAGS="$cf_save"
2274         ])
2275 ])
2276 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2277 ])dnl
2278 dnl ---------------------------------------------------------------------------
2279 dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
2280 dnl --------------
2281 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2282 dnl problem :-).  If we have the compiler but no library, we'll be able to
2283 dnl configure, but won't be able to build the c++ demo program.
2284 AC_DEFUN([CF_GPP_LIBRARY],
2285 [
2286 cf_cxx_library=unknown
2287 case $cf_cv_system_name in #(vi
2288 os2*) #(vi
2289         cf_gpp_libname=gpp
2290         ;;
2291 *)
2292         cf_gpp_libname=g++
2293         ;;
2294 esac
2295 if test "$GXX" = yes; then
2296         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2297         cf_save="$LIBS"
2298         CF_ADD_LIB($cf_gpp_libname)
2299         AC_TRY_LINK([
2300 #include <$cf_gpp_libname/builtin.h>
2301         ],
2302         [two_arg_error_handler_t foo2 = lib_error_handler],
2303         [cf_cxx_library=yes
2304          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2305          if test "$cf_gpp_libname" = cpp ; then
2306             AC_DEFINE(HAVE_GPP_BUILTIN_H)
2307          else
2308             AC_DEFINE(HAVE_GXX_BUILTIN_H)
2309          fi],
2310         [AC_TRY_LINK([
2311 #include <builtin.h>
2312         ],
2313         [two_arg_error_handler_t foo2 = lib_error_handler],
2314         [cf_cxx_library=yes
2315          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2316          AC_DEFINE(HAVE_BUILTIN_H)],
2317         [cf_cxx_library=no])])
2318         LIBS="$cf_save"
2319         AC_MSG_RESULT($cf_cxx_library)
2320 fi
2321 ])dnl
2322 dnl ---------------------------------------------------------------------------
2323 dnl CF_GXX_VERSION version: 6 updated: 2010/10/23 15:44:18
2324 dnl --------------
2325 dnl Check for version of g++
2326 AC_DEFUN([CF_GXX_VERSION],[
2327 AC_REQUIRE([AC_PROG_CPP])
2328 GXX_VERSION=none
2329 if test "$GXX" = yes; then
2330         AC_MSG_CHECKING(version of g++)
2331         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2332         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2333         AC_MSG_RESULT($GXX_VERSION)
2334 fi
2335 ])dnl
2336 dnl ---------------------------------------------------------------------------
2337 dnl CF_GXX_WARNINGS version: 6 updated: 2010/08/14 18:25:37
2338 dnl ---------------
2339 dnl Check if the compiler supports useful warning options.
2340 dnl
2341 dnl Most of gcc's options apply to g++, except:
2342 dnl     -Wbad-function-cast
2343 dnl     -Wmissing-declarations
2344 dnl     -Wnested-externs
2345 dnl
2346 dnl Omit a few (for now):
2347 dnl     -Winline
2348 dnl
2349 dnl Parameter:
2350 dnl     $1 is an optional list of g++ warning flags that a particular
2351 dnl             application might want to use, e.g., "no-unused" for
2352 dnl             -Wno-unused
2353 dnl Special:
2354 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2355 dnl
2356 AC_DEFUN([CF_GXX_WARNINGS],
2357 [
2358
2359 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2360
2361 AC_REQUIRE([CF_GXX_VERSION])
2362
2363 AC_LANG_SAVE
2364 AC_LANG_CPLUSPLUS
2365
2366 cat > conftest.$ac_ext <<EOF
2367 #line __oline__ "configure"
2368 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2369 EOF
2370
2371 if test "$INTEL_CPLUSPLUS" = yes
2372 then
2373 # The "-wdXXX" options suppress warnings:
2374 # remark #1419: external declaration in primary source file
2375 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2376 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2377 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2378 # remark #193: zero used for undefined preprocessing identifier
2379 # remark #593: variable "curs_sb_left_arrow" was set but never used
2380 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2381 # remark #869: parameter "tw" was never referenced
2382 # remark #981: operands are evaluated in unspecified order
2383 # warning #269: invalid format string conversion
2384
2385         AC_CHECKING([for $CC warning options])
2386         cf_save_CXXFLAGS="$CXXFLAGS"
2387         EXTRA_CXXFLAGS="-Wall"
2388         for cf_opt in \
2389                 wd1419 \
2390                 wd1682 \
2391                 wd1683 \
2392                 wd1684 \
2393                 wd193 \
2394                 wd279 \
2395                 wd593 \
2396                 wd810 \
2397                 wd869 \
2398                 wd981
2399         do
2400                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2401                 if AC_TRY_EVAL(ac_compile); then
2402                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2403                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2404                 fi
2405         done
2406         CXXFLAGS="$cf_save_CXXFLAGS"
2407
2408 elif test "$GXX" = yes
2409 then
2410         AC_CHECKING([for $CXX warning options])
2411         cf_save_CXXFLAGS="$CXXFLAGS"
2412         EXTRA_CXXFLAGS="-W -Wall"
2413         cf_gxx_extra_warnings=""
2414         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2415         case "$GCC_VERSION" in
2416         [[1-2]].*)
2417                 ;;
2418         *)
2419                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2420                 ;;
2421         esac
2422         for cf_opt in \
2423                 Wabi \
2424                 fabi-version=0 \
2425                 Woverloaded-virtual \
2426                 Wsign-promo \
2427                 Wsynth \
2428                 Wold-style-cast \
2429                 Wcast-align \
2430                 Wcast-qual \
2431                 Wmissing-prototypes \
2432                 Wpointer-arith \
2433                 Wshadow \
2434                 Wstrict-prototypes \
2435                 Wundef $cf_gxx_extra_warnings $1
2436         do
2437                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2438                 if AC_TRY_EVAL(ac_compile); then
2439                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2440                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2441                 else
2442                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2443                 fi
2444         done
2445         CXXFLAGS="$cf_save_CXXFLAGS"
2446 fi
2447
2448 rm -rf conftest*
2449 AC_LANG_RESTORE
2450 AC_SUBST(EXTRA_CXXFLAGS)
2451 ])dnl
2452 dnl ---------------------------------------------------------------------------
2453 dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
2454 dnl ------------
2455 dnl Look for an instance of the Berkeley hashed database.
2456 dnl
2457 dnl $1 = optional parameter, to specify install-prefix for the database.
2458 AC_DEFUN([CF_HASHED_DB],
2459 [
2460 ifelse([$1],,,[
2461 case $1 in #(vi
2462 yes|*able*) #(vi
2463     ;;
2464 *)
2465     if test -d "$1" ; then
2466         CF_ADD_INCDIR($1/include)
2467         CF_ADD_LIBDIR($1/lib)
2468     fi
2469 esac
2470 ])
2471 AC_CHECK_HEADER(db.h,[
2472 CF_HASHED_DB_VERSION
2473 if test "$cf_cv_hashed_db_version" = unknown ; then
2474         AC_MSG_ERROR(Cannot determine version of db)
2475 else
2476         CF_HASHED_DB_LIBS
2477         if test "$cf_cv_hashed_db_libs" = unknown ; then
2478                 AC_MSG_ERROR(Cannot determine library for db)
2479         elif test "$cf_cv_hashed_db_libs" != default ; then
2480                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2481         fi
2482 fi
2483 ],[
2484         AC_MSG_ERROR(Cannot find db.h)
2485 ])
2486 ])dnl
2487 dnl ---------------------------------------------------------------------------
2488 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2489 dnl -----------------
2490 dnl Given that we have the header and version for hashed database, find the
2491 dnl library information.
2492 AC_DEFUN([CF_HASHED_DB_LIBS],
2493 [
2494 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2495 cf_cv_hashed_db_libs=unknown
2496 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2497 do
2498         cf_save_libs="$LIBS"
2499         if test -n "$cf_db_libs"; then
2500                 CF_ADD_LIB($cf_db_libs)
2501         fi
2502         CF_MSG_LOG(checking for library "$cf_db_libs")
2503         AC_TRY_LINK([
2504 $ac_includes_default
2505 #include <db.h>
2506 ],[
2507         char *path = "/tmp/foo";
2508 #ifdef DB_VERSION_MAJOR
2509 #if DB_VERSION_MAJOR >= 4
2510         DB *result = 0;
2511         db_create(&result, NULL, 0);
2512         result->open(result,
2513                 NULL,
2514                 path,
2515                 path,
2516                 DB_HASH,
2517                 DB_CREATE,
2518                 0644);
2519 #elif DB_VERSION_MAJOR >= 3
2520         DB *result = 0;
2521         db_create(&result, NULL, 0);
2522         result->open(result,
2523                 path,
2524                 path,
2525                 DB_HASH,
2526                 DB_CREATE,
2527                 0644);
2528 #elif DB_VERSION_MAJOR >= 2
2529         DB *result = 0;
2530         db_open(path,
2531                 DB_HASH,
2532                 DB_CREATE,
2533                 0644,
2534                 (DB_ENV *) 0,
2535                 (DB_INFO *) 0,
2536                 &result);
2537 #endif /* DB_VERSION_MAJOR */
2538 #else
2539         DB *result = dbopen(path,
2540                      2,
2541                      0644,
2542                      DB_HASH,
2543                      0);
2544 #endif
2545         ${cf_cv_main_return:-return}(result != 0)
2546 ],[
2547         if test -n "$cf_db_libs" ; then
2548                 cf_cv_hashed_db_libs=$cf_db_libs
2549         else
2550                 cf_cv_hashed_db_libs=default
2551         fi
2552         LIBS="$cf_save_libs"
2553         break
2554 ])
2555         LIBS="$cf_save_libs"
2556 done
2557 ])
2558 ])dnl
2559 dnl ---------------------------------------------------------------------------
2560 dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
2561 dnl --------------------
2562 dnl Given that we have the header file for hashed database, find the version
2563 dnl information.
2564 AC_DEFUN([CF_HASHED_DB_VERSION],
2565 [
2566 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2567 cf_cv_hashed_db_version=unknown
2568
2569 for cf_db_version in 1 2 3 4 5
2570 do
2571         CF_MSG_LOG(checking for db version $cf_db_version)
2572         AC_TRY_COMPILE([
2573 $ac_includes_default
2574 #include <db.h>
2575
2576 #ifdef DB_VERSION_MAJOR
2577         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2578 #if $cf_db_version == DB_VERSION_MAJOR
2579         /* ok */
2580 #else
2581         make an error
2582 #endif
2583 #else
2584 #if $cf_db_version == 1
2585         /* ok: assuming this is DB 1.8.5 */
2586 #else
2587         make an error
2588 #endif
2589 #endif
2590 ],[DBT *foo = 0],[
2591         cf_cv_hashed_db_version=$cf_db_version
2592         break
2593         ])
2594 done
2595 ])
2596 ])dnl
2597 dnl ---------------------------------------------------------------------------
2598 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2599 dnl --------------
2600 dnl Construct a search-list of directories for a nonstandard header-file
2601 dnl
2602 dnl Parameters
2603 dnl     $1 = the variable to return as result
2604 dnl     $2 = the package name
2605 AC_DEFUN([CF_HEADER_PATH],
2606 [
2607 $1=
2608
2609 # collect the current set of include-directories from compiler flags
2610 cf_header_path_list=""
2611 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2612         for cf_header_path in $CPPFLAGS $CFLAGS
2613         do
2614                 case $cf_header_path in #(vi
2615                 -I*)
2616                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2617                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2618                         cf_header_path_list="$cf_header_path_list [$]$1"
2619                         ;;
2620                 esac
2621         done
2622 fi
2623
2624 # add the variations for the package we are looking for
2625 CF_SUBDIR_PATH($1,$2,include)
2626
2627 test "$includedir" != NONE && \
2628 test "$includedir" != "/usr/include" && \
2629 test -d "$includedir" && {
2630         test -d $includedir &&    $1="[$]$1 $includedir"
2631         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2632 }
2633
2634 test "$oldincludedir" != NONE && \
2635 test "$oldincludedir" != "/usr/include" && \
2636 test -d "$oldincludedir" && {
2637         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2638         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2639 }
2640
2641 $1="[$]$1 $cf_header_path_list"
2642 ])dnl
2643 dnl ---------------------------------------------------------------------------
2644 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2645 dnl ---------------
2646 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2647 AC_DEFUN([CF_HELP_MESSAGE],
2648 [AC_DIVERT_HELP([$1])dnl
2649 ])dnl
2650 dnl ---------------------------------------------------------------------------
2651 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2652 dnl ---------------
2653 dnl Construct the list of include-options according to whether we're building
2654 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2655 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2656 dnl since that usually breaks gcc's shadow-includes.
2657 AC_DEFUN([CF_INCLUDE_DIRS],
2658 [
2659 CPPFLAGS="$CPPFLAGS -I. -I../include"
2660 if test "$srcdir" != "."; then
2661         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2662 fi
2663 if test "$GCC" != yes; then
2664         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2665 elif test "$includedir" != "/usr/include"; then
2666         if test "$includedir" = '${prefix}/include' ; then
2667                 if test $prefix != /usr ; then
2668                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2669                 fi
2670         else
2671                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2672         fi
2673 fi
2674 AC_SUBST(CPPFLAGS)
2675 ])dnl
2676 dnl ---------------------------------------------------------------------------
2677 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2678 dnl -----------------
2679 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2680 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2681 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2682 dnl
2683 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2684 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2685 dnl the wrappers for gcc and g++ warnings.
2686 dnl
2687 dnl $1 = GCC (default) or GXX
2688 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2689 dnl $3 = CFLAGS (default) or CXXFLAGS
2690 AC_DEFUN([CF_INTEL_COMPILER],[
2691 ifelse([$2],,INTEL_COMPILER,[$2])=no
2692
2693 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2694         case $host_os in
2695         linux*|gnu*)
2696                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2697                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2698                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2699                 AC_TRY_COMPILE([],[
2700 #ifdef __INTEL_COMPILER
2701 #else
2702 make an error
2703 #endif
2704 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2705 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2706 ],[])
2707                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2708                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2709                 ;;
2710         esac
2711 fi
2712 ])dnl
2713 dnl ---------------------------------------------------------------------------
2714 dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
2715 dnl ----------
2716 dnl Check if we have either a function or macro for 'isascii()'.
2717 AC_DEFUN([CF_ISASCII],
2718 [
2719 AC_MSG_CHECKING(for isascii)
2720 AC_CACHE_VAL(cf_cv_have_isascii,[
2721         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2722         [cf_cv_have_isascii=yes],
2723         [cf_cv_have_isascii=no])
2724 ])dnl
2725 AC_MSG_RESULT($cf_cv_have_isascii)
2726 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
2727 ])dnl
2728 dnl ---------------------------------------------------------------------------
2729 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2730 dnl ------------
2731 dnl Add checks for large file support.
2732 AC_DEFUN([CF_LARGEFILE],[
2733 ifdef([AC_FUNC_FSEEKO],[
2734     AC_SYS_LARGEFILE
2735     if test "$enable_largefile" != no ; then
2736         AC_FUNC_FSEEKO
2737
2738         # Normally we would collect these definitions in the config.h,
2739         # but (like _XOPEN_SOURCE), some environments rely on having these
2740         # defined before any of the system headers are included.  Another
2741         # case comes up with C++, e.g., on AIX the compiler compiles the
2742         # header files by themselves before looking at the body files it is
2743         # told to compile.  For ncurses, those header files do not include
2744         # the config.h
2745         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2746         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2747         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2748
2749         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2750                 AC_TRY_COMPILE([
2751 #include <sys/types.h>
2752 #include <dirent.h>
2753                 ],[
2754                 /* if transitional largefile support is setup, this is true */
2755                 extern struct dirent64 * readdir(DIR *);
2756                 struct dirent64 *x = readdir((DIR *)0);
2757                 struct dirent *y = readdir((DIR *)0);
2758                 int z = x - y;
2759                 ],
2760                 [cf_cv_struct_dirent64=yes],
2761                 [cf_cv_struct_dirent64=no])
2762         ])
2763         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2764     fi
2765 ])
2766 ])
2767 dnl ---------------------------------------------------------------------------
2768 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2769 dnl -----------------
2770 dnl Check for compiler/linker flags used to temporarily force usage of static
2771 dnl libraries.  This depends on the compiler and platform.  Use this to help
2772 dnl ensure that the linker picks up a given library based on its position in
2773 dnl the list of linker options and libraries.
2774 AC_DEFUN([CF_LDFLAGS_STATIC],[
2775
2776 if test "$GCC" = yes ; then
2777         case $cf_cv_system_name in #(
2778         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2779                 LDFLAGS_STATIC=
2780                 LDFLAGS_SHARED=
2781                 ;;
2782     *)  #( normally, except when broken
2783         LDFLAGS_STATIC=-static
2784         LDFLAGS_SHARED=-dynamic
2785         ;;
2786     esac
2787 else
2788         case $cf_cv_system_name in #(
2789         aix[[4-7]]*)    #( from ld manpage
2790                 LDFLAGS_STATIC=-bstatic
2791                 LDFLAGS_SHARED=-bdynamic
2792                 ;;
2793         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2794                 # We could also use just "archive" and "shared".
2795                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2796                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2797                 ;;
2798         irix*)          #( from ld manpage IRIX64
2799                 LDFLAGS_STATIC=-Bstatic
2800                 LDFLAGS_SHARED=-Bdynamic
2801                 ;;
2802         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2803                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2804                 LDFLAGS_STATIC=-noso
2805                 LDFLAGS_SHARED=-so_archive
2806                 ;;
2807         solaris2*)
2808                 LDFLAGS_STATIC=-Bstatic
2809                 LDFLAGS_SHARED=-Bdynamic
2810                 ;;
2811         esac
2812 fi
2813
2814 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2815 then
2816         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2817
2818         rm -f libconftest.a
2819         cat >conftest.$ac_ext <<EOF
2820 #line __oline__ "configure"
2821 #include <stdio.h>
2822 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
2823 EOF
2824         if AC_TRY_EVAL(ac_compile) ; then
2825                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
2826                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
2827         fi
2828         rm -f conftest.*
2829
2830         cf_save_LIBS="$LIBS"
2831
2832         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
2833         AC_TRY_LINK([
2834 #line __oline__ "configure"
2835 #include <stdio.h>
2836 int cf_ldflags_static(FILE *fp);
2837 ],[
2838         return cf_ldflags_static(stdin);
2839 ],[
2840         # some linkers simply ignore the -dynamic
2841         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
2842         *static*) # (vi
2843                 cf_ldflags_static=no
2844                 ;;
2845         *)
2846                 cf_ldflags_static=yes
2847                 ;;
2848         esac
2849 ],[cf_ldflags_static=no])
2850
2851         rm -f libconftest.*
2852         LIBS="$cf_save_LIBS"
2853
2854         AC_MSG_RESULT($cf_ldflags_static)
2855
2856         if test $cf_ldflags_static != yes
2857         then
2858                 LDFLAGS_STATIC=
2859                 LDFLAGS_SHARED=
2860         fi
2861 else
2862         LDFLAGS_STATIC=
2863         LDFLAGS_SHARED=
2864 fi
2865
2866 AC_SUBST(LDFLAGS_STATIC)
2867 AC_SUBST(LDFLAGS_SHARED)
2868 ])
2869 dnl ---------------------------------------------------------------------------
2870 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
2871 dnl ---------------
2872 dnl For the given system and compiler, find the compiler flags to pass to the
2873 dnl loader to use the "rpath" feature.
2874 AC_DEFUN([CF_LD_RPATH_OPT],
2875 [
2876 AC_REQUIRE([CF_CHECK_CACHE])
2877
2878 LD_RPATH_OPT=
2879 AC_MSG_CHECKING(for an rpath option)
2880 case $cf_cv_system_name in #(vi
2881 irix*) #(vi
2882         if test "$GCC" = yes; then
2883                 LD_RPATH_OPT="-Wl,-rpath,"
2884         else
2885                 LD_RPATH_OPT="-rpath "
2886         fi
2887         ;;
2888 linux*|gnu*|k*bsd*-gnu) #(vi
2889         LD_RPATH_OPT="-Wl,-rpath,"
2890         ;;
2891 openbsd[[2-9]].*|mirbsd*) #(vi
2892         LD_RPATH_OPT="-Wl,-rpath,"
2893         ;;
2894 dragonfly*|freebsd*) #(vi
2895         LD_RPATH_OPT="-rpath "
2896         ;;
2897 netbsd*) #(vi
2898         LD_RPATH_OPT="-Wl,-rpath,"
2899         ;;
2900 osf*|mls+*) #(vi
2901         LD_RPATH_OPT="-rpath "
2902         ;;
2903 solaris2*) #(vi
2904         LD_RPATH_OPT="-R"
2905         ;;
2906 *)
2907         ;;
2908 esac
2909 AC_MSG_RESULT($LD_RPATH_OPT)
2910
2911 case "x$LD_RPATH_OPT" in #(vi
2912 x-R*)
2913         AC_MSG_CHECKING(if we need a space after rpath option)
2914         cf_save_LIBS="$LIBS"
2915         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2916         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2917         LIBS="$cf_save_LIBS"
2918         AC_MSG_RESULT($cf_rpath_space)
2919         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2920         ;;
2921 esac
2922 ])dnl
2923 dnl ---------------------------------------------------------------------------
2924 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
2925 dnl ---------------
2926 dnl Construct a search-list of directories for a nonstandard library-file
2927 dnl
2928 dnl Parameters
2929 dnl     $1 = the variable to return as result
2930 dnl     $2 = the package name
2931 AC_DEFUN([CF_LIBRARY_PATH],
2932 [
2933 $1=
2934 cf_library_path_list=""
2935 if test -n "${LDFLAGS}${LIBS}" ; then
2936         for cf_library_path in $LDFLAGS $LIBS
2937         do
2938                 case $cf_library_path in #(vi
2939                 -L*)
2940                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2941                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2942                         cf_library_path_list="$cf_library_path_list [$]$1"
2943                         ;;
2944                 esac
2945         done
2946 fi
2947
2948 CF_SUBDIR_PATH($1,$2,lib)
2949
2950 $1="$cf_library_path_list [$]$1"
2951 ])dnl
2952 dnl ---------------------------------------------------------------------------
2953 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
2954 dnl -------------
2955 dnl Compute the library-prefix for the given host system
2956 dnl $1 = variable to set
2957 AC_DEFUN([CF_LIB_PREFIX],
2958 [
2959         case $cf_cv_system_name in #(vi
2960         OS/2*|os2*) #(vi
2961         LIB_PREFIX=''
2962         ;;
2963         *)      LIB_PREFIX='lib'
2964         ;;
2965         esac
2966 ifelse($1,,,[$1=$LIB_PREFIX])
2967         AC_SUBST(LIB_PREFIX)
2968 ])dnl
2969 dnl ---------------------------------------------------------------------------
2970 dnl CF_LIB_RULES version: 61 updated: 2010/10/23 16:10:30
2971 dnl ------------
2972 dnl Append definitions and rules for the given models to the subdirectory
2973 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
2974 dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
2975 dnl the corresponding makefile to list the models that we'll generate.
2976 dnl
2977 dnl For shared libraries, make a list of symbolic links to construct when
2978 dnl generating each library.  The convention used for Linux is the simplest
2979 dnl one:
2980 dnl     lib<name>.so    ->
2981 dnl     lib<name>.so.<major>    ->
2982 dnl     lib<name>.so.<maj>.<minor>
2983 AC_DEFUN([CF_LIB_RULES],
2984 [
2985 CF_LIB_PREFIX(cf_prefix)
2986 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2987
2988 if test $cf_cv_shlib_version = cygdll ; then
2989         TINFO_NAME=$TINFO_ARG_SUFFIX
2990         TINFO_SUFFIX=.dll
2991 fi
2992
2993 if test -n "$TINFO_SUFFIX" ; then
2994         case $TINFO_SUFFIX in
2995         tw*)
2996                 TINFO_NAME="${TINFO_NAME}tw"
2997                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
2998                 ;;
2999         t*)
3000                 TINFO_NAME="${TINFO_NAME}t"
3001                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3002                 ;;
3003         w*)
3004                 TINFO_NAME="${TINFO_NAME}w"
3005                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3006                 ;;
3007         esac
3008 fi
3009
3010 for cf_dir in $SRC_SUBDIRS
3011 do
3012         if test ! -d $srcdir/$cf_dir ; then
3013                 continue
3014         elif test -f $srcdir/$cf_dir/modules; then
3015
3016                 SHARED_LIB=
3017                 LIBS_TO_MAKE=
3018                 for cf_item in $cf_LIST_MODELS
3019                 do
3020                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3021                         if test $cf_item = shared ; then
3022                         if test "$cf_cv_do_symlinks" = yes ; then
3023                                 case "$cf_cv_shlib_version" in #(vi
3024                                 rel) #(vi
3025                                         case "$cf_cv_system_name" in #(vi
3026                                         darwin*)
3027                                         case .${LIB_SUFFIX} in
3028                                         .tw*)
3029                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3030                                                 cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
3031                                                 ;;
3032                                         .t*)
3033                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3034                                                 cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
3035                                                 ;;
3036                                         .w*)
3037                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3038                                                 cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
3039                                                 ;;
3040                                         *)
3041                                                 cf_suffix='.${REL_VERSION}'"$cf_suffix"
3042                                                 ;;
3043                                         esac
3044                                         ;; #(vi
3045                                         *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
3046                                         esac
3047                                         ;;
3048                                 abi)
3049                                         case "$cf_cv_system_name" in #(vi
3050                                         darwin*)
3051                                         case .${LIB_SUFFIX} in
3052                                         .tw*)
3053                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3054                                                 cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
3055                                                 ;;
3056                                         .t*)
3057                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3058                                                 cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
3059                                                 ;;
3060                                         .w*)
3061                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3062                                                 cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
3063                                                 ;;
3064                                         *)
3065                                                 cf_suffix='.${ABI_VERSION}'"$cf_suffix"
3066                                                 ;;
3067                                         esac
3068                                         ;; #(vi
3069                                         *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
3070                                         esac
3071                                         ;;
3072                                 esac
3073                         fi
3074                         # cygwin needs import library, and has unique naming convention
3075                         # use autodetected ${cf_prefix} for import lib and static lib, but
3076                         # use 'cyg' prefix for shared lib.
3077                         if test $cf_cv_shlib_version = cygdll ; then
3078                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3079                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
3080                                 continue
3081                         fi
3082                         fi
3083                         LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
3084                 done
3085
3086                 if test $cf_dir = ncurses ; then
3087                         cf_subsets="$LIB_SUBSETS"
3088                         cf_r_parts="$cf_subsets"
3089                         cf_liblist="$LIBS_TO_MAKE"
3090
3091                         while test -n "$cf_r_parts"
3092                         do
3093                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3094                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3095                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3096                                         cf_item=
3097                                         case $cf_l_parts in #(vi
3098                                         *termlib*) #(vi
3099                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3100                                                 ;;
3101                                         *ticlib*)
3102                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3103                                                 ;;
3104                                         *)
3105                                                 break
3106                                                 ;;
3107                                         esac
3108                                         if test -n "$cf_item"; then
3109                                                 LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
3110                                         fi
3111                                 else
3112                                         break
3113                                 fi
3114                         done
3115                 else
3116                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3117                 fi
3118
3119                 sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
3120                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3121                         $cf_dir/Makefile >$cf_dir/Makefile.out
3122                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3123
3124                 $AWK -f $srcdir/mk-0th.awk \
3125                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
3126                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3127
3128                 for cf_subset in $cf_subsets
3129                 do
3130                         cf_subdirs=
3131                         for cf_item in $cf_LIST_MODELS
3132                         do
3133                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3134                         CF_UPPER(cf_ITEM,$cf_item)
3135                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3136                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3137
3138                         # Test for case where we build libtinfo with a different name.
3139                         cf_libname=$cf_dir
3140                         if test $cf_dir = ncurses ; then
3141                                 case $cf_subset in
3142                                 *base*)
3143                                         cf_libname=${cf_libname}$LIB_SUFFIX
3144                                         ;;
3145                                 *termlib*)
3146                                         cf_libname=$TINFO_LIB_SUFFIX
3147                                         ;;
3148                                 ticlib*)
3149                                         cf_libname=$TICS_LIB_SUFFIX
3150                                         ;;
3151                                 esac
3152                         else
3153                                 cf_libname=${cf_libname}$LIB_SUFFIX
3154                         fi
3155                         if test -n "${DFT_ARG_SUFFIX}" ; then
3156                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3157                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3158                         fi
3159
3160                         # These dependencies really are for development, not
3161                         # builds, but they are useful in porting, too.
3162                         cf_depend="../include/ncurses_cfg.h"
3163                         if test "$srcdir" = "."; then
3164                                 cf_reldir="."
3165                         else
3166                                 cf_reldir="\${srcdir}"
3167                         fi
3168
3169                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3170                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3171                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3172                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3173                         fi
3174
3175                         cf_dir_suffix=
3176                         old_cf_suffix="$cf_suffix"
3177                         if test "$cf_cv_shlib_version_infix" = yes ; then
3178                         if test -n "$LIB_SUFFIX" ; then
3179                                 case $LIB_SUFFIX in
3180                                 tw*)
3181                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3182                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3183                                         cf_dir_suffix=tw
3184                                         ;;
3185                                 t*)
3186                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3187                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3188                                         cf_dir_suffix=t
3189                                         ;;
3190                                 w*)
3191                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3192                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3193                                         cf_dir_suffix=w
3194                                         ;;
3195                                 esac
3196                         fi
3197                         fi
3198
3199                         $AWK -f $srcdir/mk-1st.awk \
3200                                 name=${cf_libname}${cf_dir_suffix} \
3201                                 traces=$LIB_TRACING \
3202                                 MODEL=$cf_ITEM \
3203                                 model=$cf_subdir \
3204                                 prefix=$cf_prefix \
3205                                 suffix=$cf_suffix \
3206                                 subset=$cf_subset \
3207                                 SymLink="$LN_S" \
3208                                 TermlibRoot=$TINFO_NAME \
3209                                 TermlibSuffix=$TINFO_SUFFIX \
3210                                 ShlibVer=$cf_cv_shlib_version \
3211                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3212                                 ReLink=${cf_cv_do_relink:-no} \
3213                                 DoLinks=$cf_cv_do_symlinks \
3214                                 rmSoLocs=$cf_cv_rm_so_locs \
3215                                 ldconfig="$LDCONFIG" \
3216                                 overwrite=$WITH_OVERWRITE \
3217                                 depend="$cf_depend" \
3218                                 host="$host" \
3219                                 libtool_version="$LIBTOOL_VERSION" \
3220                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3221
3222                         cf_suffix="$old_cf_suffix"
3223
3224                         for cf_subdir2 in $cf_subdirs lib
3225                         do
3226                                 test $cf_subdir = $cf_subdir2 && break
3227                         done
3228                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3229                         $AWK -f $srcdir/mk-2nd.awk \
3230                                 name=$cf_dir \
3231                                 traces=$LIB_TRACING \
3232                                 MODEL=$cf_ITEM \
3233                                 model=$cf_subdir \
3234                                 subset=$cf_subset \
3235                                 srcdir=$srcdir \
3236                                 echo=$WITH_ECHO \
3237                                 crenames=$cf_cv_prog_CC_c_o \
3238                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3239                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3240                         cf_subdirs="$cf_subdirs $cf_subdir"
3241                         done
3242                 done
3243         fi
3244
3245         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
3246 done
3247
3248 for cf_dir in $SRC_SUBDIRS
3249 do
3250         if test ! -d $srcdir/$cf_dir ; then
3251                 continue
3252         fi
3253
3254         if test -f $cf_dir/Makefile ; then
3255                 case "$cf_dir" in
3256                 Ada95) #(vi
3257                         echo 'libs \' >> Makefile
3258                         echo 'install.libs \' >> Makefile
3259                         echo 'uninstall.libs ::' >> Makefile
3260                         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
3261                         ;;
3262                 esac
3263         fi
3264
3265         if test -f $srcdir/$cf_dir/modules; then
3266                 echo >> Makefile
3267                 if test -f $srcdir/$cf_dir/headers; then
3268 cat >> Makefile <<CF_EOF
3269 install.includes \\
3270 uninstall.includes \\
3271 CF_EOF
3272                 fi
3273 if test "$cf_dir" != "c++" ; then
3274 echo 'lint \' >> Makefile
3275 fi
3276 cat >> Makefile <<CF_EOF
3277 libs \\
3278 lintlib \\
3279 install.libs \\
3280 uninstall.libs \\
3281 install.$cf_dir \\
3282 uninstall.$cf_dir ::
3283         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3284 CF_EOF
3285         elif test -f $srcdir/$cf_dir/headers; then
3286 cat >> Makefile <<CF_EOF
3287
3288 libs \\
3289 install.libs \\
3290 uninstall.libs \\
3291 install.includes \\
3292 uninstall.includes ::
3293         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3294 CF_EOF
3295 fi
3296 done
3297
3298 cat >> Makefile <<CF_EOF
3299
3300 install.libs uninstall.libs \\
3301 install.data uninstall.data ::
3302 $MAKE_TERMINFO  cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
3303 CF_EOF
3304
3305 if test "x$cf_with_manpages" = xyes; then
3306 cat >> Makefile <<CF_EOF
3307
3308 install.man \\
3309 uninstall.man ::
3310         cd man && \${MAKE} \${CF_MFLAGS} \[$]@
3311 CF_EOF
3312 fi
3313
3314 cat >> Makefile <<CF_EOF
3315
3316 distclean ::
3317         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3318         rm -f headers.sh headers.sed mk_shared_lib.sh
3319         rm -f edit_man.* man_alias.*
3320         rm -rf \${DIRS_TO_MAKE}
3321 CF_EOF
3322
3323 # Special case: tack's manpage lives in its own directory.
3324 if test "x$cf_with_manpages" = xyes; then
3325 if test -d tack ; then
3326 if test -f $srcdir/$tack.h; then
3327 cat >> Makefile <<CF_EOF
3328
3329 install.man \\
3330 uninstall.man ::
3331         cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
3332 CF_EOF
3333 fi
3334 fi
3335 fi
3336
3337 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3338 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3339 dnl anything, and will make it more standardized.  It's awkward to decide this
3340 dnl at configuration because of quoting, so we'll simply make all headers
3341 dnl installed via a script that can do the right thing.
3342
3343 rm -f headers.sed headers.sh
3344
3345 dnl ( generating this script makes the makefiles a little tidier :-)
3346 echo creating headers.sh
3347 cat >headers.sh <<CF_EOF
3348 #! /bin/sh
3349 # This shell script is generated by the 'configure' script.  It is invoked in a
3350 # subdirectory of the build tree.  It generates a sed-script in the parent
3351 # directory that is used to adjust includes for header files that reside in a
3352 # subdirectory of /usr/include, etc.
3353 PRG=""
3354 while test \[$]# != 3
3355 do
3356 PRG="\$PRG \[$]1"; shift
3357 done
3358 DST=\[$]1
3359 REF=\[$]2
3360 SRC=\[$]3
3361 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3362 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3363 echo installing \$SRC in \$DST
3364 CF_EOF
3365
3366 if test $WITH_CURSES_H = yes; then
3367         cat >>headers.sh <<CF_EOF
3368 case \$DST in
3369 /*/include/*)
3370         END=\`basename \$DST\`
3371         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3372         do
3373                 NAME=\`basename \$i\`
3374                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3375         done
3376         ;;
3377 *)
3378         echo "" >> \$TMPSED
3379         ;;
3380 esac
3381 CF_EOF
3382
3383 else
3384         cat >>headers.sh <<CF_EOF
3385 case \$DST in
3386 /*/include/*)
3387         END=\`basename \$DST\`
3388         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3389         do
3390                 NAME=\`basename \$i\`
3391                 if test "\$NAME" = "curses.h"
3392                 then
3393                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3394                         NAME=ncurses.h
3395                 fi
3396                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3397         done
3398         ;;
3399 *)
3400         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3401         ;;
3402 esac
3403 CF_EOF
3404 fi
3405 cat >>headers.sh <<CF_EOF
3406 rm -f \$TMPSRC
3407 sed -f \$TMPSED \$SRC > \$TMPSRC
3408 NAME=\`basename \$SRC\`
3409 CF_EOF
3410 if test $WITH_CURSES_H != yes; then
3411         cat >>headers.sh <<CF_EOF
3412 test "\$NAME" = "curses.h" && NAME=ncurses.h
3413 CF_EOF
3414 fi
3415 cat >>headers.sh <<CF_EOF
3416 # Just in case someone gzip'd manpages, remove the conflicting copy.
3417 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3418
3419 eval \$PRG \$TMPSRC \$DST/\$NAME
3420 rm -f \$TMPSRC \$TMPSED
3421 CF_EOF
3422
3423 chmod 0755 headers.sh
3424
3425 for cf_dir in $SRC_SUBDIRS
3426 do
3427         if test ! -d $srcdir/$cf_dir ; then
3428                 continue
3429         fi
3430
3431         if test -f $srcdir/$cf_dir/headers; then
3432                 $AWK -f $srcdir/mk-hdr.awk \
3433                         subset="$LIB_SUBSETS" \
3434                         compat="$WITH_CURSES_H" \
3435                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3436         fi
3437
3438         if test -f $srcdir/$cf_dir/modules; then
3439                 if test "$cf_dir" != "c++" ; then
3440                         cat >>$cf_dir/Makefile <<"CF_EOF"
3441 depend : ${AUTO_SRC}
3442         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3443
3444 # DO NOT DELETE THIS LINE -- make depend depends on it.
3445 CF_EOF
3446                 fi
3447         fi
3448 done
3449 AC_SUBST(LIBS_TO_MAKE)
3450 ])dnl
3451 dnl ---------------------------------------------------------------------------
3452 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3453 dnl -------------
3454 dnl Find the and soname for the given shared library.  Set the cache variable
3455 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3456 dnl variable to "unknown".
3457 dnl
3458 dnl $1 = headers
3459 dnl $2 = code
3460 dnl $3 = library name
3461 AC_DEFUN([CF_LIB_SONAME],
3462 [
3463 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3464
3465 cf_cv_$3_soname=unknown
3466 if test "$cross_compiling" != yes ; then
3467 cat >conftest.$ac_ext <<CF_EOF
3468 $1
3469 int main()
3470 {
3471 $2
3472         ${cf_cv_main_return:-return}(0);
3473 }
3474 CF_EOF
3475 cf_save_LIBS="$LIBS"
3476         CF_ADD_LIB($3)
3477         if AC_TRY_EVAL(ac_compile) ; then
3478                 if AC_TRY_EVAL(ac_link) ; then
3479                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3480                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3481                 fi
3482         fi
3483 rm -rf conftest*
3484 LIBS="$cf_save_LIBS"
3485 fi
3486 ])
3487 ])
3488 dnl ---------------------------------------------------------------------------
3489 dnl CF_LIB_SUFFIX version: 17 updated: 2011/07/02 15:36:04
3490 dnl -------------
3491 dnl Compute the library file-suffix from the given model name
3492 dnl $1 = model name
3493 dnl $2 = variable to set (the nominal library suffix)
3494 dnl $3 = dependency variable to set (actual filename)
3495 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3496 AC_DEFUN([CF_LIB_SUFFIX],
3497 [
3498         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3499         case $1 in #(vi
3500         libtool) #(vi
3501                 $2='.la'
3502                 $3=[$]$2
3503                 ;;
3504         normal) #(vi
3505                 $2='.a'
3506                 $3=[$]$2
3507                 ;;
3508         debug) #(vi
3509                 $2='_g.a'
3510                 $3=[$]$2
3511                 ;;
3512         profile) #(vi
3513                 $2='_p.a'
3514                 $3=[$]$2
3515                 ;;
3516         shared) #(vi
3517                 case $cf_cv_system_name in
3518                 aix[[5-7]]*) #(vi
3519                         $2='.a'
3520                         $3=[$]$2
3521                         ;;
3522                 cygwin*) #(vi
3523                         $2='.dll'
3524                         $3='.dll.a'
3525                         ;;
3526                 darwin*) #(vi
3527                         $2='.dylib'
3528                         $3=[$]$2
3529                         ;;
3530                 hpux*) #(vi
3531                         case $target in
3532                         ia64*) #(vi
3533                                 $2='.so'
3534                                 $3=[$]$2
3535                                 ;;
3536                         *) #(vi
3537                                 $2='.sl'
3538                                 $3=[$]$2
3539                                 ;;
3540                         esac
3541                         ;;
3542                 *)      $2='.so'
3543                         $3=[$]$2
3544                         ;;
3545                 esac
3546         esac
3547         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3548         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3549 ])dnl
3550 dnl ---------------------------------------------------------------------------
3551 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3552 dnl -----------
3553 dnl Compute the string to append to -library from the given model name
3554 dnl $1 = model name
3555 dnl $2 = variable to set
3556 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3557 AC_DEFUN([CF_LIB_TYPE],
3558 [
3559         case $1 in
3560         libtool) $2=''   ;;
3561         normal)  $2=''   ;;
3562         debug)   $2='_g' ;;
3563         profile) $2='_p' ;;
3564         shared)  $2=''   ;;
3565         esac
3566         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3567 ])dnl
3568 dnl ---------------------------------------------------------------------------
3569 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
3570 dnl ----------------
3571 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3572 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3573 dnl have to provide wrappers for global tables to ensure they're linked
3574 dnl properly.
3575 AC_DEFUN([CF_LINK_DATAONLY],
3576 [
3577 AC_MSG_CHECKING([if data-only library module links])
3578 AC_CACHE_VAL(cf_cv_link_dataonly,[
3579         rm -f conftest.a
3580         cat >conftest.$ac_ext <<EOF
3581 #line __oline__ "configure"
3582 int     testdata[[3]] = { 123, 456, 789 };
3583 EOF
3584         if AC_TRY_EVAL(ac_compile) ; then
3585                 mv conftest.o data.o && \
3586                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3587         fi
3588         rm -f conftest.$ac_ext data.o
3589         cat >conftest.$ac_ext <<EOF
3590 #line __oline__ "configure"
3591 int     testfunc()
3592 {
3593 #if defined(NeXT)
3594         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3595 #else
3596         extern int testdata[[3]];
3597         return testdata[[0]] == 123
3598            &&  testdata[[1]] == 456
3599            &&  testdata[[2]] == 789;
3600 #endif
3601 }
3602 EOF
3603         if AC_TRY_EVAL(ac_compile); then
3604                 mv conftest.o func.o && \
3605                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3606         fi
3607         rm -f conftest.$ac_ext func.o
3608         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3609         cf_saveLIBS="$LIBS"
3610         LIBS="conftest.a $LIBS"
3611         AC_TRY_RUN([
3612         int main()
3613         {
3614                 extern int testfunc();
3615                 ${cf_cv_main_return:-return} (!testfunc());
3616         }
3617         ],
3618         [cf_cv_link_dataonly=yes],
3619         [cf_cv_link_dataonly=no],
3620         [cf_cv_link_dataonly=unknown])
3621         LIBS="$cf_saveLIBS"
3622         ])
3623 AC_MSG_RESULT($cf_cv_link_dataonly)
3624
3625 if test "$cf_cv_link_dataonly" = no ; then
3626         AC_DEFINE(BROKEN_LINKER)
3627         BROKEN_LINKER=1
3628 fi
3629
3630 ])dnl
3631 dnl ---------------------------------------------------------------------------
3632 dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
3633 dnl -------------
3634 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3635 dnl A few non-Unix systems implement symlink, but not link.
3636 dnl A few non-systems implement neither (or have nonfunctional versions).
3637 AC_DEFUN([CF_LINK_FUNCS],
3638 [
3639 AC_CHECK_FUNCS( \
3640         remove \
3641         unlink )
3642
3643 if test "$cross_compiling" = yes ; then
3644         AC_CHECK_FUNCS( \
3645                 link \
3646                 symlink )
3647 else
3648         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
3649                 cf_cv_link_funcs=
3650                 for cf_func in link symlink ; do
3651                         AC_TRY_RUN([
3652 #include <sys/types.h>
3653 #include <sys/stat.h>
3654 #ifdef HAVE_UNISTD_H
3655 #include <unistd.h>
3656 #endif
3657 int main()
3658 {
3659         int fail = 0;
3660         char *src = "config.log";
3661         char *dst = "conftest.chk";
3662         struct stat src_sb;
3663         struct stat dst_sb;
3664
3665         stat(src, &src_sb);
3666         fail = ($cf_func("config.log", "conftest.chk") < 0)
3667             || (stat(dst, &dst_sb) < 0)
3668             || (dst_sb.st_mtime != src_sb.st_mtime);
3669 #ifdef HAVE_UNLINK
3670         unlink(dst);
3671 #else
3672         remove(dst);
3673 #endif
3674         ${cf_cv_main_return:-return} (fail);
3675 }
3676                         ],[
3677                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
3678                         eval 'ac_cv_func_'$cf_func'=yes'],[
3679                         eval 'ac_cv_func_'$cf_func'=no'],[
3680                         eval 'ac_cv_func_'$cf_func'=error'])
3681                 done
3682                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
3683         ])
3684         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK)
3685         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
3686 fi
3687 ])dnl
3688 dnl ---------------------------------------------------------------------------
3689 dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
3690 dnl --------------
3691 dnl Check if a return from main to the shell actually returns the same exit
3692 dnl code.  This is true for almost any POSIX environment.
3693 dnl
3694 dnl Some very old environments did not flush stdout, etc., on an exit.  That
3695 dnl would be a useful case to test for also.
3696 AC_DEFUN([CF_MAIN_RETURN],
3697 [
3698 cf_cv_main_return=return
3699 ])dnl
3700 dnl ---------------------------------------------------------------------------
3701 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
3702 dnl ------------
3703 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
3704 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
3705 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
3706 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
3707 AC_DEFUN([CF_MAKEFLAGS],
3708 [
3709 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
3710         cf_cv_makeflags=''
3711         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
3712         do
3713                 cat >cf_makeflags.tmp <<CF_EOF
3714 SHELL = /bin/sh
3715 all :
3716         @ echo '.$cf_option'
3717 CF_EOF
3718                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
3719                 case "$cf_result" in
3720                 .*k)
3721                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
3722                         case "$cf_result" in
3723                         .*CC=*) cf_cv_makeflags=
3724                                 ;;
3725                         *)      cf_cv_makeflags=$cf_option
3726                                 ;;
3727                         esac
3728                         break
3729                         ;;
3730                 .-)     ;;
3731                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
3732                         ;;
3733                 esac
3734         done
3735         rm -f cf_makeflags.tmp
3736 ])
3737
3738 AC_SUBST(cf_cv_makeflags)
3739 ])dnl
3740 dnl ---------------------------------------------------------------------------
3741 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
3742 dnl ------------
3743 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
3744 dnl a monocase filesystem.
3745 AC_DEFUN([CF_MAKE_TAGS],[
3746 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
3747
3748 AC_CHECK_PROGS(CTAGS, exctags ctags)
3749 AC_CHECK_PROGS(ETAGS, exetags etags)
3750
3751 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
3752
3753 if test "$cf_cv_mixedcase" = yes ; then
3754         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
3755 else
3756         MAKE_UPPER_TAGS=no
3757 fi