aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
   3 dnl                                                                          *
   4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   5 dnl copy of this software and associated documentation files (the            *
   6 dnl "Software"), to deal in the Software without restriction, including      *
   7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
   9 dnl copies of the Software, and to permit persons to whom the Software is    *
  10 dnl furnished to do so, subject to the following conditions:                 *
  11 dnl                                                                          *
  12 dnl The above copyright notice and this permission notice shall be included  *
  13 dnl in all copies or substantial portions of the Software.                   *
  14 dnl                                                                          *
  15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22 dnl                                                                          *
  23 dnl Except as contained in this notice, the name(s) of the above copyright   *
  24 dnl holders shall not be used in advertising or otherwise to promote the     *
  25 dnl sale, use or other dealings in this Software without prior written       *
  26 dnl authorization.                                                           *
  27 dnl***************************************************************************
  28 dnl
  29 dnl Author: Thomas E. Dickey 1995-on
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.617 2012/06/30 21:26:38 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_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
1000 dnl -----------------
1001 dnl Check if the given compiler is really clang.  clang's C driver defines
1002 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1003 dnl not ignore some gcc options.
1004 dnl
1005 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1006 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1007 dnl the wrappers for gcc and g++ warnings.
1008 dnl
1009 dnl $1 = GCC (default) or GXX
1010 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1011 dnl $3 = CFLAGS (default) or CXXFLAGS
1012 AC_DEFUN([CF_CLANG_COMPILER],[
1013 ifelse([$2],,CLANG_COMPILER,[$2])=no
1014
1015 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1016         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1017         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1018         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
1019         AC_TRY_COMPILE([],[
1020 #ifdef __clang__
1021 #else
1022 make an error
1023 #endif
1024 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1025 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
1026 ],[])
1027         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1028         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1029 fi
1030 ])
1031 dnl ---------------------------------------------------------------------------
1032 dnl CF_CPP_PARAM_INIT version: 5 updated: 2011/12/03 16:54:03
1033 dnl -----------------
1034 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1035 dnl is a late feature for the standard and is not in some recent compilers
1036 dnl (1999/9/11).
1037 AC_DEFUN([CF_CPP_PARAM_INIT],
1038 [
1039 if test -n "$CXX"; then
1040 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1041         AC_LANG_SAVE
1042         AC_LANG_CPLUSPLUS
1043         AC_TRY_RUN([
1044 class TEST {
1045 private:
1046         int value;
1047 public:
1048         TEST(int x = 1);
1049         ~TEST();
1050 };
1051
1052 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1053 {
1054         value = x;
1055 }
1056 int main() { }
1057 ],
1058         [cf_cv_cpp_param_init=yes],
1059         [cf_cv_cpp_param_init=no],
1060         [cf_cv_cpp_param_init=unknown])
1061         AC_LANG_RESTORE
1062 ])
1063 fi
1064 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
1065 ])dnl
1066 dnl ---------------------------------------------------------------------------
1067 dnl CF_CPP_STATIC_CAST version: 1 updated: 2005/07/23 16:52:43
1068 dnl ------------------
1069 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1070 dnl not be supported in g++ before 3.0
1071 AC_DEFUN([CF_CPP_STATIC_CAST],
1072 [
1073 if test -n "$CXX"; then
1074
1075 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1076         AC_LANG_SAVE
1077         AC_LANG_CPLUSPLUS
1078
1079         AC_TRY_COMPILE([
1080 class NCursesPanel
1081 {
1082 public:
1083   NCursesPanel(int nlines,
1084                int ncols,
1085                int begin_y = 0,
1086                int begin_x = 0)
1087   {
1088   }
1089
1090   ~NCursesPanel();
1091 };
1092
1093 template<class T> class NCursesUserPanel : public NCursesPanel
1094 {
1095 public:
1096   NCursesUserPanel (int nlines,
1097                     int ncols,
1098                     int begin_y = 0,
1099                     int begin_x = 0,
1100                     const T* p_UserData = static_cast<T*>(0))
1101     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1102   {
1103   };
1104   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1105   {
1106   };
1107
1108   virtual ~NCursesUserPanel() {};
1109 };
1110 ],[
1111         const char* p_UserData = static_cast<char*>(0)],
1112         [cf_cv_cpp_static_cast=yes],
1113         [cf_cv_cpp_static_cast=no])
1114
1115         AC_LANG_RESTORE
1116 ])
1117
1118 fi
1119
1120 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
1121 ])dnl
1122 dnl ---------------------------------------------------------------------------
1123 dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
1124 dnl ---------------
1125 dnl Setup special archiver flags for given compilers.
1126 AC_DEFUN([CF_CXX_AR_FLAGS],[
1127         CXX_AR='$(AR)'
1128         CXX_ARFLAGS='$(ARFLAGS)'
1129         case $cf_cv_system_name in #(vi
1130         irix*) #(vi
1131             if test "$GXX" != yes ; then
1132                 CXX_AR='$(CXX)'
1133                 CXX_ARFLAGS='-ar -o'
1134             fi
1135             ;;
1136         sco3.2v5*) #(vi
1137             CXXLDFLAGS="-u main"
1138             ;;
1139         solaris2*)
1140             if test "$GXX" != yes ; then
1141                 CXX_AR='$(CXX)'
1142                 CXX_ARFLAGS='-xar -o'
1143             fi
1144             ;;
1145         esac
1146         AC_SUBST(CXXLDFLAGS)
1147         AC_SUBST(CXX_AR)
1148         AC_SUBST(CXX_ARFLAGS)
1149 ])dnl
1150 dnl ---------------------------------------------------------------------------
1151 dnl CF_CXX_IOSTREAM_NAMESPACE version: 1 updated: 2011/10/29 08:35:34
1152 dnl -------------------------
1153 dnl For c++, check if iostream uses "std::" namespace.
1154 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1155 AC_CHECK_HEADERS(iostream)
1156 if test x"$ac_cv_header_iostream" = xyes ; then
1157         AC_MSG_CHECKING(if iostream uses std-namespace)
1158         AC_TRY_COMPILE([
1159 #include <iostream>
1160 using std::endl;
1161 using std::cerr;],[
1162 cerr << "testing" << endl;
1163 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1164         AC_MSG_RESULT($cf_iostream_namespace)
1165         if test "$cf_iostream_namespace" = yes ; then
1166                 AC_DEFINE(IOSTREAM_NAMESPACE)
1167         fi
1168 fi
1169 ])dnl
1170 dnl ---------------------------------------------------------------------------
1171 dnl CF_C_INLINE version: 4 updated: 2012/06/16 14:55:39
1172 dnl -----------
1173 dnl Check if the C compiler supports "inline".
1174 dnl $1 is the name of a shell variable to set if inline is supported
1175 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1176 AC_DEFUN([CF_C_INLINE],[
1177 AC_C_INLINE
1178 $1=
1179 if test "$ac_cv_c_inline" != no ; then
1180   $1=inline
1181   if test "$INTEL_COMPILER" = yes
1182   then
1183     :
1184   elif test "$CLANG_COMPILER" = yes
1185   then
1186     :
1187   elif test "$GCC" = yes
1188   then
1189     AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1190       cf_save_CFLAGS=$CFLAGS
1191       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1192       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1193       [${cf_cv_main_return:-return} foo()],
1194       [cf_cv_gcc_inline=yes],
1195       [cf_cv_gcc_inline=no])
1196       CFLAGS=$cf_save_CFLAGS
1197     ])
1198     if test "$cf_cv_gcc_inline" = yes ; then
1199         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1200     fi
1201   fi
1202 fi
1203 AC_SUBST($1)
1204 ])dnl
1205 dnl ---------------------------------------------------------------------------
1206 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1207 dnl ----------
1208 dnl "dirname" is not portable, so we fake it with a shell script.
1209 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1210 dnl ---------------------------------------------------------------------------
1211 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1212 dnl ---------------
1213 AC_DEFUN([CF_DIRS_TO_MAKE],
1214 [
1215 DIRS_TO_MAKE="lib"
1216 for cf_item in $cf_list_models
1217 do
1218         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1219         for cf_item2 in $DIRS_TO_MAKE
1220         do
1221                 test $cf_item2 = $cf_subdir && break
1222         done
1223         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1224 done
1225 for cf_dir in $DIRS_TO_MAKE
1226 do
1227         test ! -d $cf_dir && mkdir $cf_dir
1228 done
1229 AC_SUBST(DIRS_TO_MAKE)
1230 ])dnl
1231 dnl ---------------------------------------------------------------------------
1232 dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
1233 dnl ---------------
1234 dnl You can always use "make -n" to see the actual options, but it's hard to
1235 dnl pick out/analyze warning messages when the compile-line is long.
1236 dnl
1237 dnl Sets:
1238 dnl     ECHO_LT - symbol to control if libtool is verbose
1239 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1240 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1241 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1242 dnl     ECHO_CC - symbol to put before any "cc" line
1243 dnl
1244 AC_DEFUN([CF_DISABLE_ECHO],[
1245 AC_MSG_CHECKING(if you want to see long compiling messages)
1246 CF_ARG_DISABLE(echo,
1247         [  --disable-echo          display "compiling" commands],
1248         [
1249     ECHO_LT='--silent'
1250     ECHO_LD='@echo linking [$]@;'
1251     RULE_CC='@echo compiling [$]<'
1252     SHOW_CC='@echo compiling [$]@'
1253     ECHO_CC='@'
1254 ],[
1255     ECHO_LT=''
1256     ECHO_LD=''
1257     RULE_CC=''
1258     SHOW_CC=''
1259     ECHO_CC=''
1260 ])
1261 AC_MSG_RESULT($enableval)
1262 AC_SUBST(ECHO_LT)
1263 AC_SUBST(ECHO_LD)
1264 AC_SUBST(RULE_CC)
1265 AC_SUBST(SHOW_CC)
1266 AC_SUBST(ECHO_CC)
1267 ])dnl
1268 dnl ---------------------------------------------------------------------------
1269 dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
1270 dnl ----------------
1271 dnl Combine no-leak checks with the libraries or tools that are used for the
1272 dnl checks.
1273 AC_DEFUN([CF_DISABLE_LEAKS],[
1274
1275 AC_REQUIRE([CF_WITH_DMALLOC])
1276 AC_REQUIRE([CF_WITH_DBMALLOC])
1277 AC_REQUIRE([CF_WITH_VALGRIND])
1278
1279 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1280 AC_ARG_ENABLE(leaks,
1281         [  --disable-leaks         test: free permanent memory, analyze leaks],
1282         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1283         : ${with_no_leaks:=no})
1284 AC_MSG_RESULT($with_no_leaks)
1285
1286 if test "$with_no_leaks" = yes ; then
1287         AC_DEFINE(NO_LEAKS)
1288         AC_DEFINE(YY_NO_LEAKS)
1289 fi
1290 ])dnl
1291 dnl ---------------------------------------------------------------------------
1292 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1293 dnl --------------------------
1294 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1295 dnl the older "-version-info" feature.  The newer feature allows us to use
1296 dnl version numbering on shared libraries which make them compatible with
1297 dnl various systems.
1298 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1299 [
1300 AC_MSG_CHECKING(if libtool -version-number should be used)
1301 CF_ARG_DISABLE(libtool-version,
1302         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1303         [cf_libtool_version=no],
1304         [cf_libtool_version=yes])
1305 AC_MSG_RESULT($cf_libtool_version)
1306
1307 if test "$cf_libtool_version" = yes ; then
1308         LIBTOOL_VERSION="-version-number"
1309 else
1310         LIBTOOL_VERSION="-version-info"
1311 fi
1312
1313 AC_SUBST(LIBTOOL_VERSION)
1314 ])dnl
1315 dnl ---------------------------------------------------------------------------
1316 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1317 dnl ---------------------
1318 dnl The rpath-hack makes it simpler to build programs, particularly with the
1319 dnl *BSD ports which may have essential libraries in unusual places.  But it
1320 dnl can interfere with building an executable for the base system.  Use this
1321 dnl option in that case.
1322 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1323 [
1324 AC_MSG_CHECKING(if rpath-hack should be disabled)
1325 CF_ARG_DISABLE(rpath-hack,
1326         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1327         [cf_disable_rpath_hack=yes],
1328         [cf_disable_rpath_hack=no])
1329 AC_MSG_RESULT($cf_disable_rpath_hack)
1330 if test "$cf_disable_rpath_hack" = no ; then
1331         CF_RPATH_HACK
1332 fi
1333 ])
1334 dnl ---------------------------------------------------------------------------
1335 dnl CF_ENABLE_PC_FILES version: 7 updated: 2011/12/10 18:58:47
1336 dnl ------------------
1337 dnl This is the "--enable-pc-files" option, which is available if there is a
1338 dnl pkg-config configuration on the local machine.
1339 AC_DEFUN([CF_ENABLE_PC_FILES],[
1340 AC_REQUIRE([CF_PKG_CONFIG])
1341 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1342
1343 if test "$PKG_CONFIG" != none ; then
1344         if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then
1345                 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1346                 AC_ARG_ENABLE(pc-files,
1347                         [  --enable-pc-files       generate and install .pc files for pkg-config],
1348                         [enable_pc_files=$enableval],
1349                         [enable_pc_files=no])
1350                 AC_MSG_RESULT($enable_pc_files)
1351         elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then
1352                 enable_pc_files=no
1353                 AC_MSG_WARN(did not find $PKG_CONFIG library)
1354         fi
1355 else
1356         enable_pc_files=no
1357 fi
1358 ])dnl
1359 dnl ---------------------------------------------------------------------------
1360 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1361 dnl ---------------
1362 dnl Check if the rpath option should be used, setting cache variable
1363 dnl cf_cv_enable_rpath if so.
1364 AC_DEFUN([CF_ENABLE_RPATH],
1365 [
1366 AC_MSG_CHECKING(if rpath option should be used)
1367 AC_ARG_ENABLE(rpath,
1368 [  --enable-rpath          use rpath option when generating shared libraries],
1369 [cf_cv_enable_rpath=$enableval],
1370 [cf_cv_enable_rpath=no])
1371 AC_MSG_RESULT($cf_cv_enable_rpath)
1372 ])dnl
1373 dnl ---------------------------------------------------------------------------
1374 dnl CF_ENABLE_STRING_HACKS version: 1 updated: 2012/02/25 06:33:21
1375 dnl ----------------------
1376 dnl On a few platforms, the compiler and/or loader nags with untruthful
1377 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1378 dnl and implying that most uses of the recommended alternatives are correct.
1379 dnl
1380 dnl Factually speaking, no one has actually counted the number of uses of these
1381 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1382 dnl instances are meaningless compared to the hundreds of millions of lines of
1383 dnl existing C code.
1384 dnl
1385 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1386 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1387 dnl standard - but evolved through phases, and older implementations are likely
1388 dnl to yield surprising results, as documented in manpages on various systems.
1389 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1390 [
1391 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1392 AC_ARG_ENABLE(string-hacks,
1393         [  --enable-string-hacks  work around bogus compiler/loader warnings],
1394         [with_string_hacks=$enableval],
1395         [with_string_hacks=no])
1396 AC_MSG_RESULT($with_string_hacks)
1397
1398 if test "x$with_string_hacks" = "xyes"; then
1399         AC_DEFINE(USE_STRING_HACKS)
1400         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1401         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1402 fi
1403 ])dnl
1404 dnl ---------------------------------------------------------------------------
1405 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1406 dnl --------
1407 dnl Check if 'errno' is declared in <errno.h>
1408 AC_DEFUN([CF_ERRNO],
1409 [
1410 CF_CHECK_ERRNO(errno)
1411 ])dnl
1412 dnl ---------------------------------------------------------------------------
1413 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1414 dnl ---------------
1415 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1416 dnl math.h and builtin.h, only for ncurses
1417 AC_DEFUN([CF_ETIP_DEFINES],
1418 [
1419 AC_MSG_CHECKING(for special defines needed for etip.h)
1420 cf_save_CXXFLAGS="$CXXFLAGS"
1421 cf_result="none"
1422
1423 # etip.h includes ncurses.h which includes ncurses_dll.h
1424 # But ncurses_dll.h is generated - fix here.
1425 test -d include || mkdir include
1426 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1427
1428 for cf_math in "" MATH_H
1429 do
1430 for cf_excp in "" MATH_EXCEPTION
1431 do
1432         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1433         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1434         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1435 AC_TRY_COMPILE([
1436 #include <etip.h.in>
1437 ],[],[
1438         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1439         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1440         cf_result="$cf_math $cf_excp"
1441         break 2
1442 ],[])
1443 done
1444 done
1445 AC_MSG_RESULT($cf_result)
1446 CXXFLAGS="$cf_save_CXXFLAGS"
1447 ])
1448 dnl ---------------------------------------------------------------------------
1449 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1450 dnl ---------------
1451 dnl Find a library (specifically the linkage used in the code fragment),
1452 dnl searching for it if it is not already in the library path.
1453 dnl See also CF_ADD_SEARCHPATH.
1454 dnl
1455 dnl Parameters (4-on are optional):
1456 dnl     $1 = headers for library entrypoint
1457 dnl     $2 = code fragment for library entrypoint
1458 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1459 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1460 dnl     $5 = action to perform if not successful
1461 dnl     $6 = module name, if not the same as the library name
1462 dnl     $7 = extra libraries
1463 dnl
1464 dnl Sets these variables:
1465 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1466 dnl     $cf_cv_header_path_$3 - include-directory if needed
1467 dnl     $cf_cv_library_path_$3 - library-directory if needed
1468 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1469 AC_DEFUN([CF_FIND_LINKAGE],[
1470
1471 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1472 # will be set on completion of the AC_TRY_LINK below.
1473 cf_cv_header_path_$3=
1474 cf_cv_library_path_$3=
1475
1476 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1477
1478 cf_save_LIBS="$LIBS"
1479
1480 AC_TRY_LINK([$1],[$2],[
1481         cf_cv_find_linkage_$3=yes
1482         cf_cv_header_path_$3=/usr/include
1483         cf_cv_library_path_$3=/usr/lib
1484 ],[
1485
1486 LIBS="-l$3 $7 $cf_save_LIBS"
1487
1488 AC_TRY_LINK([$1],[$2],[
1489         cf_cv_find_linkage_$3=yes
1490         cf_cv_header_path_$3=/usr/include
1491         cf_cv_library_path_$3=/usr/lib
1492         cf_cv_library_file_$3="-l$3"
1493 ],[
1494         cf_cv_find_linkage_$3=no
1495         LIBS="$cf_save_LIBS"
1496
1497     CF_VERBOSE(find linkage for $3 library)
1498     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1499
1500     cf_save_CPPFLAGS="$CPPFLAGS"
1501     cf_test_CPPFLAGS="$CPPFLAGS"
1502
1503     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1504     for cf_cv_header_path_$3 in $cf_search
1505     do
1506       if test -d $cf_cv_header_path_$3 ; then
1507         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1508         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1509         AC_TRY_COMPILE([$1],[$2],[
1510             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1511             cf_cv_find_linkage_$3=maybe
1512             cf_test_CPPFLAGS="$CPPFLAGS"
1513             break],[
1514             CPPFLAGS="$cf_save_CPPFLAGS"
1515             ])
1516       fi
1517     done
1518
1519     if test "$cf_cv_find_linkage_$3" = maybe ; then
1520
1521       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1522
1523       cf_save_LIBS="$LIBS"
1524       cf_save_LDFLAGS="$LDFLAGS"
1525
1526       ifelse([$6],,,[
1527         CPPFLAGS="$cf_test_CPPFLAGS"
1528         LIBS="-l$3 $7 $cf_save_LIBS"
1529         AC_TRY_LINK([$1],[$2],[
1530             CF_VERBOSE(... found $3 library in system)
1531             cf_cv_find_linkage_$3=yes])
1532             CPPFLAGS="$cf_save_CPPFLAGS"
1533             LIBS="$cf_save_LIBS"
1534             ])
1535
1536       if test "$cf_cv_find_linkage_$3" != yes ; then
1537         CF_LIBRARY_PATH(cf_search,$3)
1538         for cf_cv_library_path_$3 in $cf_search
1539         do
1540           if test -d $cf_cv_library_path_$3 ; then
1541             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1542             CPPFLAGS="$cf_test_CPPFLAGS"
1543             LIBS="-l$3 $7 $cf_save_LIBS"
1544             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1545             AC_TRY_LINK([$1],[$2],[
1546                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1547                 cf_cv_find_linkage_$3=yes
1548                 cf_cv_library_file_$3="-l$3"
1549                 break],[
1550                 CPPFLAGS="$cf_save_CPPFLAGS"
1551                 LIBS="$cf_save_LIBS"
1552                 LDFLAGS="$cf_save_LDFLAGS"
1553                 ])
1554           fi
1555         done
1556         CPPFLAGS="$cf_save_CPPFLAGS"
1557         LDFLAGS="$cf_save_LDFLAGS"
1558       fi
1559
1560     else
1561       cf_cv_find_linkage_$3=no
1562     fi
1563     ],$7)
1564 ])
1565
1566 LIBS="$cf_save_LIBS"
1567
1568 if test "$cf_cv_find_linkage_$3" = yes ; then
1569 ifelse([$4],,[
1570         CF_ADD_INCDIR($cf_cv_header_path_$3)
1571         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1572         CF_ADD_LIB($3)
1573 ],[$4])
1574 else
1575 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1576 fi
1577 ])dnl
1578 dnl ---------------------------------------------------------------------------
1579 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
1580 dnl -----------------
1581 dnl make ADAFLAGS consistent with CFLAGS
1582 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1583         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1584         case "$CFLAGS" in
1585         *-g*)
1586                 CF_ADD_ADAFLAGS(-g)
1587                 ;;
1588         esac
1589         case "$CFLAGS" in
1590         *-O*)
1591                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1592                 CF_ADD_ADAFLAGS($cf_O_flag)
1593                 ;;
1594         esac
1595         AC_MSG_RESULT($ADAFLAGS)
1596 ])dnl
1597 dnl ---------------------------------------------------------------------------
1598 dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
1599 dnl -------------
1600 dnl Test for dlsym() and related functions, as well as libdl.
1601 dnl
1602 dnl Sets
1603 dnl     $cf_have_dlsym
1604 dnl     $cf_have_libdl
1605 AC_DEFUN([CF_FUNC_DLSYM],[
1606 cf_have_dlsym=no
1607 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1608
1609 cf_have_libdl=no
1610 AC_CHECK_LIB(dl,dlsym,[
1611         cf_have_dlsym=yes
1612         cf_have_libdl=yes])])
1613
1614 if test "$cf_have_dlsym" = yes ; then
1615         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1616
1617         AC_MSG_CHECKING(whether able to link to dl*() functions)
1618         AC_TRY_LINK([#include <dlfcn.h>],[
1619                 void *obj;
1620                 if ((obj = dlopen("filename", 0)) != 0) {
1621                         if (dlsym(obj, "symbolname") == 0) {
1622                         dlclose(obj);
1623                         }
1624                 }],[
1625                 AC_DEFINE(HAVE_LIBDL)],[
1626                 AC_MSG_ERROR(Cannot link test program for libdl)])
1627         AC_MSG_RESULT(ok)
1628 else
1629         AC_MSG_ERROR(Cannot find dlsym function)
1630 fi
1631 ])
1632 dnl ---------------------------------------------------------------------------
1633 dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
1634 dnl ---------------
1635 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1636 dnl is found, add our own version of memmove to the list of objects.
1637 AC_DEFUN([CF_FUNC_MEMMOVE],
1638 [
1639 AC_CHECK_FUNC(memmove,,[
1640 AC_CHECK_FUNC(bcopy,[
1641         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1642                 AC_TRY_RUN([
1643 int main() {
1644         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1645         char temp[40];
1646         bcopy(data, temp, sizeof(data));
1647         bcopy(temp+10, temp, 15);
1648         bcopy(temp+5, temp+15, 10);
1649         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1650 }
1651                 ],
1652                 [cf_cv_good_bcopy=yes],
1653                 [cf_cv_good_bcopy=no],
1654                 [cf_cv_good_bcopy=unknown])
1655                 ])
1656         ],[cf_cv_good_bcopy=no])
1657         if test "$cf_cv_good_bcopy" = yes ; then
1658                 AC_DEFINE(USE_OK_BCOPY)
1659         else
1660                 AC_DEFINE(USE_MY_MEMMOVE)
1661         fi
1662 ])])dnl
1663 dnl ---------------------------------------------------------------------------
1664 dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
1665 dnl -----------------
1666 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1667 dnl AIX 4.x, provide a non-working version.
1668 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1669 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1670 AC_TRY_RUN([
1671 #include <stdio.h>
1672 #include <errno.h>
1673 #include <time.h>
1674
1675 #ifdef HAVE_SYS_TIME_H
1676 #include <sys/time.h>
1677 #endif
1678
1679 int main() {
1680         struct timespec ts1, ts2;
1681         int code;
1682         ts1.tv_sec  = 0;
1683         ts1.tv_nsec = 750000000;
1684         ts2.tv_sec  = 0;
1685         ts2.tv_nsec = 0;
1686         errno = 0;
1687         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1688         ${cf_cv_main_return:-return}(code != 0);
1689 }
1690 ],
1691         [cf_cv_func_nanosleep=yes],
1692         [cf_cv_func_nanosleep=no],
1693         [cf_cv_func_nanosleep=unknown])])
1694
1695 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
1696 ])
1697 dnl ---------------------------------------------------------------------------
1698 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1699 dnl ---------------
1700 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1701 dnl "util" library as well.
1702 AC_DEFUN([CF_FUNC_OPENPTY],
1703 [
1704 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1705 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1706     cf_save_LIBS="$LIBS"
1707     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1708     for cf_header in pty.h libutil.h util.h
1709     do
1710     AC_TRY_LINK([
1711 #include <$cf_header>
1712 ],[
1713     int x = openpty((int *)0, (int *)0, (char *)0,
1714                    (struct termios *)0, (struct winsize *)0);
1715 ],[
1716         cf_cv_func_openpty=$cf_header
1717         break
1718 ],[
1719         cf_cv_func_openpty=no
1720 ])
1721     done
1722     LIBS="$cf_save_LIBS"
1723 ])
1724 ])dnl
1725 dnl ---------------------------------------------------------------------------
1726 dnl CF_FUNC_POLL version: 7 updated: 2012/06/09 16:22:17
1727 dnl ------------
1728 dnl See if the poll function really works.  Some platforms have poll(), but
1729 dnl it does not work for terminals or files.
1730 AC_DEFUN([CF_FUNC_POLL],[
1731 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1732 AC_TRY_RUN([
1733 #include <stdlib.h>
1734 #include <stdio.h>
1735 #include <unistd.h>
1736 #include <fcntl.h>
1737 #ifdef HAVE_POLL_H
1738 #include <poll.h>
1739 #else
1740 #include <sys/poll.h>
1741 #endif
1742 int main() {
1743         struct pollfd myfds;
1744         int ret;
1745
1746         /* check for Darwin bug with respect to "devices" */
1747         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
1748         if (myfds.fd < 0)
1749                 myfds.fd = 0;
1750         myfds.events = POLLIN;
1751         myfds.revents = 0;
1752
1753         ret = poll(&myfds, 1, 100);
1754
1755         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1756                 ret = -1;
1757         } else {
1758                 int fd = 0;
1759                 if (!isatty(fd)) {
1760                         fd = open("/dev/tty", 2);       /* O_RDWR */
1761                 }
1762
1763                 if (fd >= 0) {
1764                         /* also check with standard input */
1765                         myfds.fd = fd;
1766                         myfds.events = POLLIN;
1767                         myfds.revents = 0;
1768                         ret = poll(&myfds, 1, 100);
1769                 } else {
1770                         ret = -1;
1771                 }
1772         }
1773         ${cf_cv_main_return:-return}(ret < 0);
1774 }],
1775         [cf_cv_working_poll=yes],
1776         [cf_cv_working_poll=no],
1777         [cf_cv_working_poll=unknown])])
1778 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
1779 ])dnl
1780 dnl ---------------------------------------------------------------------------
1781 dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
1782 dnl ---------------
1783 dnl Some old/broken variations define tcgetattr() only as a macro in
1784 dnl termio(s).h
1785 AC_DEFUN([CF_FUNC_TERMIOS],[
1786 AC_REQUIRE([CF_STRUCT_TERMIOS])
1787 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1788 AC_TRY_LINK([
1789 #include <sys/types.h>
1790 #ifdef HAVE_UNISTD_H
1791 #include <unistd.h>
1792 #endif
1793 #ifdef HAVE_TERMIOS_H
1794 #include <termios.h>
1795 #define TTY struct termios
1796 #else
1797 #ifdef HAVE_TERMIO_H
1798 #include <termio.h>
1799 #define TTY struct termio
1800 #endif
1801 #endif
1802 ],[
1803 TTY foo;
1804 tcgetattr(1, &foo);],
1805 [cf_cv_have_tcgetattr=yes],
1806 [cf_cv_have_tcgetattr=no])])
1807 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
1808 ])dnl
1809 dnl ---------------------------------------------------------------------------
1810 dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
1811 dnl ---------------
1812 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1813 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1814 dnl other functions.
1815 AC_DEFUN([CF_FUNC_VSSCANF],
1816 [
1817 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1818 AC_TRY_LINK([
1819 #include <stdarg.h>
1820 #include <stdio.h>],[
1821         va_list ap;
1822         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1823 AC_TRY_LINK([
1824 #include <stdarg.h>
1825 #include <stdio.h>],[
1826     FILE strbuf;
1827     char *str = "from";
1828
1829     strbuf._flag = _IOREAD;
1830     strbuf._ptr = strbuf._base = (unsigned char *) str;
1831     strbuf._cnt = strlen(str);
1832     strbuf._file = _NFILE;
1833     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1834 AC_TRY_LINK([
1835 #include <stdarg.h>
1836 #include <stdio.h>],[
1837     FILE strbuf;
1838     char *str = "from";
1839
1840     strbuf._flag = _IOREAD;
1841     strbuf._ptr = strbuf._base = (unsigned char *) str;
1842     strbuf._cnt = strlen(str);
1843     strbuf._file = _NFILE;
1844     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1845 cf_cv_func_vsscanf=no])])])])
1846
1847 case $cf_cv_func_vsscanf in #(vi
1848 vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
1849 vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
1850 _doscan) AC_DEFINE(HAVE__DOSCAN);;
1851 esac
1852
1853 ])dnl
1854 dnl ---------------------------------------------------------------------------
1855 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1856 dnl -----------------
1857 dnl Test for availability of useful gcc __attribute__ directives to quiet
1858 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1859 dnl to documentation, unrecognized directives cause older compilers to barf.
1860 AC_DEFUN([CF_GCC_ATTRIBUTES],
1861 [
1862 if test "$GCC" = yes
1863 then
1864 cat > conftest.i <<EOF
1865 #ifndef GCC_PRINTF
1866 #define GCC_PRINTF 0
1867 #endif
1868 #ifndef GCC_SCANF
1869 #define GCC_SCANF 0
1870 #endif
1871 #ifndef GCC_NORETURN
1872 #define GCC_NORETURN /* nothing */
1873 #endif
1874 #ifndef GCC_UNUSED
1875 #define GCC_UNUSED /* nothing */
1876 #endif
1877 EOF
1878 if test "$GCC" = yes
1879 then
1880         AC_CHECKING([for $CC __attribute__ directives])
1881 cat > conftest.$ac_ext <<EOF
1882 #line __oline__ "${as_me:-configure}"
1883 #include "confdefs.h"
1884 #include "conftest.h"
1885 #include "conftest.i"
1886 #if     GCC_PRINTF
1887 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1888 #else
1889 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1890 #endif
1891 #if     GCC_SCANF
1892 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1893 #else
1894 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1895 #endif
1896 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1897 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1898 extern void foo(void) GCC_NORETURN;
1899 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1900 EOF
1901         cf_printf_attribute=no
1902         cf_scanf_attribute=no
1903         for cf_attribute in scanf printf unused noreturn
1904         do
1905                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1906                 cf_directive="__attribute__(($cf_attribute))"
1907                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1908
1909                 case $cf_attribute in #(vi
1910                 printf) #(vi
1911                         cf_printf_attribute=yes
1912                         cat >conftest.h <<EOF
1913 #define GCC_$cf_ATTRIBUTE 1
1914 EOF
1915                         ;;
1916                 scanf) #(vi
1917                         cf_scanf_attribute=yes
1918                         cat >conftest.h <<EOF
1919 #define GCC_$cf_ATTRIBUTE 1
1920 EOF
1921                         ;;
1922                 *) #(vi
1923                         cat >conftest.h <<EOF
1924 #define GCC_$cf_ATTRIBUTE $cf_directive
1925 EOF
1926                         ;;
1927                 esac
1928
1929                 if AC_TRY_EVAL(ac_compile); then
1930                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1931                         cat conftest.h >>confdefs.h
1932                         case $cf_attribute in #(vi
1933                         printf) #(vi
1934                                 if test "$cf_printf_attribute" = no ; then
1935                                         cat >>confdefs.h <<EOF
1936 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1937 EOF
1938                                 else
1939                                         cat >>confdefs.h <<EOF
1940 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1941 EOF
1942                                 fi
1943                                 ;;
1944                         scanf) #(vi
1945                                 if test "$cf_scanf_attribute" = no ; then
1946                                         cat >>confdefs.h <<EOF
1947 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1948 EOF
1949                                 else
1950                                         cat >>confdefs.h <<EOF
1951 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1952 EOF
1953                                 fi
1954                                 ;;
1955                         esac
1956                 fi
1957         done
1958 else
1959         fgrep define conftest.i >>confdefs.h
1960 fi
1961 rm -rf conftest*
1962 fi
1963 ])dnl
1964 dnl ---------------------------------------------------------------------------
1965 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1966 dnl --------------
1967 dnl Find version of gcc
1968 AC_DEFUN([CF_GCC_VERSION],[
1969 AC_REQUIRE([AC_PROG_CC])
1970 GCC_VERSION=none
1971 if test "$GCC" = yes ; then
1972         AC_MSG_CHECKING(version of $CC)
1973         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1974         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1975         AC_MSG_RESULT($GCC_VERSION)
1976 fi
1977 ])dnl
1978 dnl ---------------------------------------------------------------------------
1979 dnl CF_GCC_WARNINGS version: 29 updated: 2012/06/16 14:55:39
1980 dnl ---------------
1981 dnl Check if the compiler supports useful warning options.  There's a few that
1982 dnl we don't use, simply because they're too noisy:
1983 dnl
1984 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1985 dnl     -Wredundant-decls (system headers make this too noisy)
1986 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1987 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1988 dnl             is enabled for ncurses using "--enable-const".
1989 dnl     -pedantic
1990 dnl
1991 dnl Parameter:
1992 dnl     $1 is an optional list of gcc warning flags that a particular
1993 dnl             application might want to use, e.g., "no-unused" for
1994 dnl             -Wno-unused
1995 dnl Special:
1996 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1997 dnl
1998 AC_DEFUN([CF_GCC_WARNINGS],
1999 [
2000 AC_REQUIRE([CF_GCC_VERSION])
2001 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2002 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2003
2004 cat > conftest.$ac_ext <<EOF
2005 #line __oline__ "${as_me:-configure}"
2006 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2007 EOF
2008
2009 if test "$INTEL_COMPILER" = yes
2010 then
2011 # The "-wdXXX" options suppress warnings:
2012 # remark #1419: external declaration in primary source file
2013 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2014 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2015 # remark #193: zero used for undefined preprocessing identifier
2016 # remark #593: variable "curs_sb_left_arrow" was set but never used
2017 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2018 # remark #869: parameter "tw" was never referenced
2019 # remark #981: operands are evaluated in unspecified order
2020 # warning #279: controlling expression is constant
2021
2022         AC_CHECKING([for $CC warning options])
2023         cf_save_CFLAGS="$CFLAGS"
2024         EXTRA_CFLAGS="-Wall"
2025         for cf_opt in \
2026                 wd1419 \
2027                 wd1683 \
2028                 wd1684 \
2029                 wd193 \
2030                 wd593 \
2031                 wd279 \
2032                 wd810 \
2033                 wd869 \
2034                 wd981
2035         do
2036                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2037                 if AC_TRY_EVAL(ac_compile); then
2038                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2039                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2040                 fi
2041         done
2042         CFLAGS="$cf_save_CFLAGS"
2043
2044 elif test "$GCC" = yes
2045 then
2046         AC_CHECKING([for $CC warning options])
2047         cf_save_CFLAGS="$CFLAGS"
2048         EXTRA_CFLAGS=
2049         cf_warn_CONST=""
2050         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2051         for cf_opt in W Wall \
2052                 Wbad-function-cast \
2053                 Wcast-align \
2054                 Wcast-qual \
2055                 Winline \
2056                 Wmissing-declarations \
2057                 Wmissing-prototypes \
2058                 Wnested-externs \
2059                 Wpointer-arith \
2060                 Wshadow \
2061                 Wstrict-prototypes \
2062                 Wundef $cf_warn_CONST $1
2063         do
2064                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2065                 if AC_TRY_EVAL(ac_compile); then
2066                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2067                         case $cf_opt in #(vi
2068                         Wcast-qual) #(vi
2069                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2070                                 ;;
2071                         Winline) #(vi
2072                                 case $GCC_VERSION in
2073                                 [[34]].*)
2074                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2075                                         continue;;
2076                                 esac
2077                                 ;;
2078                         Wpointer-arith) #(vi
2079                                 case $GCC_VERSION in
2080                                 [[12]].*)
2081                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2082                                         continue;;
2083                                 esac
2084                                 ;;
2085                         esac
2086                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2087                 fi
2088         done
2089         CFLAGS="$cf_save_CFLAGS"
2090 fi
2091 rm -rf conftest*
2092
2093 AC_SUBST(EXTRA_CFLAGS)
2094 ])dnl
2095 dnl ---------------------------------------------------------------------------
2096 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
2097 dnl ----------------
2098 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2099 dnl unistd.h or (nonstandard) in getopt.h
2100 AC_DEFUN([CF_GETOPT_HEADER],
2101 [
2102 AC_HAVE_HEADERS(unistd.h getopt.h)
2103 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2104 cf_cv_getopt_header=none
2105 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2106 do
2107 AC_TRY_COMPILE([
2108 #include <$cf_header>],
2109 [int x = optind; char *y = optarg],
2110 [cf_cv_getopt_header=$cf_header
2111  break])
2112 done
2113 ])
2114 if test $cf_cv_getopt_header != none ; then
2115         AC_DEFINE(HAVE_GETOPT_HEADER)
2116 fi
2117 ])dnl
2118 dnl ---------------------------------------------------------------------------
2119 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
2120 dnl ----------------
2121 AC_DEFUN([CF_GNAT_GENERICS],
2122 [
2123 AC_REQUIRE([CF_GNAT_VERSION])
2124
2125 AC_MSG_CHECKING(if GNAT supports generics)
2126 case $cf_gnat_version in #(vi
2127 3.[[1-9]]*|[[4-9]].*) #(vi
2128         cf_gnat_generics=yes
2129         ;;
2130 *)
2131         cf_gnat_generics=no
2132         ;;
2133 esac
2134 AC_MSG_RESULT($cf_gnat_generics)
2135
2136 if test "$cf_gnat_generics" = yes
2137 then
2138         cf_compile_generics=generics
2139         cf_generic_objects="\${GENOBJS}"
2140 else
2141         cf_compile_generics=
2142         cf_generic_objects=
2143 fi
2144
2145 AC_SUBST(cf_compile_generics)
2146 AC_SUBST(cf_generic_objects)
2147 ])dnl
2148 dnl ---------------------------------------------------------------------------
2149 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
2150 dnl --------------------
2151 dnl Check if the gnat pragma "Unreferenced" works.
2152 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
2153 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
2154 CF_GNAT_TRY_LINK([procedure conftest;],
2155 [with Text_IO;
2156 with GNAT.OS_Lib;
2157 procedure conftest is
2158    test : Integer;
2159    pragma Unreferenced (test);
2160 begin
2161    test := 1;
2162    Text_IO.Put ("Hello World");
2163    Text_IO.New_Line;
2164    GNAT.OS_Lib.OS_Exit (0);
2165 end conftest;],
2166         [cf_cv_pragma_unreferenced=yes],
2167         [cf_cv_pragma_unreferenced=no])])
2168
2169 # if the pragma is supported, use it (needed in the Trace code).
2170 if test $cf_cv_pragma_unreferenced = yes ; then
2171         PRAGMA_UNREF=TRUE
2172 else
2173         PRAGMA_UNREF=FALSE
2174 fi
2175 AC_SUBST(PRAGMA_UNREF)
2176 ])dnl
2177 dnl ---------------------------------------------------------------------------
2178 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
2179 dnl ----------------
2180 dnl GNAT projects are configured with ".gpr" project files.
2181 dnl GNAT libraries are a further development, using the project feature.
2182 AC_DEFUN([CF_GNAT_PROJECTS],
2183 [
2184 AC_REQUIRE([CF_GNAT_VERSION])
2185
2186 cf_gnat_libraries=no
2187 cf_gnat_projects=no
2188
2189 AC_MSG_CHECKING(if GNAT supports project files)
2190 case $cf_gnat_version in #(vi
2191 3.[[0-9]]*) #(vi
2192         ;;
2193 *)
2194         case $cf_cv_system_name in #(vi
2195         cygwin*) #(vi
2196                 ;;
2197         *)
2198                 mkdir conftest.src conftest.bin conftest.lib
2199                 cd conftest.src
2200                 rm -rf conftest* *~conftest*
2201                 cat >>library.gpr <<CF_EOF
2202 project Library is
2203   Kind := External ("LIB_KIND");
2204   for Library_Name use "ConfTest";
2205   for Object_Dir use ".";
2206   for Library_ALI_Dir use External("LIBRARY_DIR");
2207   for Library_Version use External ("SONAME");
2208   for Library_Kind use Kind;
2209   for Library_Dir use External("BUILD_DIR");
2210   Source_Dir := External ("SOURCE_DIR");
2211   for Source_Dirs use (Source_Dir);
2212   package Compiler is
2213      for Default_Switches ("Ada") use
2214        ("-g",
2215         "-O2",
2216         "-gnatafno",
2217         "-gnatVa",   -- All validity checks
2218         "-gnatwa");  -- Activate all optional errors
2219   end Compiler;
2220 end Library;
2221 CF_EOF
2222                 cat >>confpackage.ads <<CF_EOF
2223 package ConfPackage is
2224    procedure conftest;
2225 end ConfPackage;
2226 CF_EOF
2227                 cat >>confpackage.adb <<CF_EOF
2228 with Text_IO;
2229 package body ConfPackage is
2230    procedure conftest is
2231    begin
2232       Text_IO.Put ("Hello World");
2233       Text_IO.New_Line;
2234    end conftest;
2235 end ConfPackage;
2236 CF_EOF
2237                 if ( $cf_ada_make $ADAFLAGS \
2238                                 -Plibrary.gpr \
2239                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2240                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2241                                 -XSOURCE_DIR=`pwd` \
2242                                 -XSONAME=libConfTest.so.1 \
2243                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2244                         cf_gnat_projects=yes
2245                 fi
2246                 cd ..
2247                 if test -f conftest.lib/confpackage.ali
2248                 then
2249                         cf_gnat_libraries=yes
2250                 fi
2251                 rm -rf conftest* *~conftest*
2252                 ;;
2253         esac
2254         ;;
2255 esac
2256 AC_MSG_RESULT($cf_gnat_projects)
2257
2258 if test $cf_gnat_projects = yes
2259 then
2260         AC_MSG_CHECKING(if GNAT supports libraries)
2261         AC_MSG_RESULT($cf_gnat_libraries)
2262 fi
2263
2264 if test "$cf_gnat_projects" = yes
2265 then
2266         USE_OLD_MAKERULES="#"
2267         USE_GNAT_PROJECTS=""
2268 else
2269         USE_OLD_MAKERULES=""
2270         USE_GNAT_PROJECTS="#"
2271 fi
2272
2273 if test "$cf_gnat_libraries" = yes
2274 then
2275         USE_GNAT_LIBRARIES=""
2276 else
2277         USE_GNAT_LIBRARIES="#"
2278 fi
2279
2280 AC_SUBST(USE_OLD_MAKERULES)
2281 AC_SUBST(USE_GNAT_PROJECTS)
2282 AC_SUBST(USE_GNAT_LIBRARIES)
2283 ])dnl
2284 dnl ---------------------------------------------------------------------------
2285 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2286 dnl --------------
2287 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2288 dnl is noted that gnat may compile a tasking unit even for configurations which
2289 dnl fail at runtime.
2290 AC_DEFUN([CF_GNAT_SIGINT],[
2291 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2292 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2293
2294 package ConfTest is
2295
2296    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2297    pragma Unreserve_All_Interrupts;
2298    pragma Warnings (On);
2299
2300    protected Process is
2301       procedure Stop;
2302       function Continue return Boolean;
2303       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2304    private
2305       Done : Boolean := False;
2306    end Process;
2307
2308 end ConfTest;],
2309 [package body ConfTest is
2310    protected body Process is
2311       procedure Stop is
2312       begin
2313          Done := True;
2314       end Stop;
2315       function Continue return Boolean is
2316       begin
2317          return not Done;
2318       end Continue;
2319    end Process;
2320 end ConfTest;],
2321         [cf_cv_gnat_sigint=yes],
2322         [cf_cv_gnat_sigint=no])])
2323
2324 if test $cf_cv_gnat_sigint = yes ; then
2325         USE_GNAT_SIGINT=""
2326 else
2327         USE_GNAT_SIGINT="#"
2328 fi
2329 AC_SUBST(USE_GNAT_SIGINT)
2330 ])dnl
2331 dnl ---------------------------------------------------------------------------
2332 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2333 dnl ----------------
2334 dnl Verify that a test program compiles/links with GNAT.
2335 dnl $cf_ada_make is set to the program that compiles/links
2336 dnl $ADAFLAGS may be set to the GNAT flags.
2337 dnl
2338 dnl $1 is the text of the spec
2339 dnl $2 is the text of the body
2340 dnl $3 is the shell command to execute if successful
2341 dnl $4 is the shell command to execute if not successful
2342 AC_DEFUN([CF_GNAT_TRY_LINK],
2343 [
2344 rm -rf conftest* *~conftest*
2345 cat >>conftest.ads <<CF_EOF
2346 $1
2347 CF_EOF
2348 cat >>conftest.adb <<CF_EOF
2349 $2
2350 CF_EOF
2351 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2352 ifelse($3,,      :,[      $3])
2353 ifelse($4,,,[else
2354    $4])
2355 fi
2356 rm -rf conftest* *~conftest*
2357 ])dnl
2358 dnl ---------------------------------------------------------------------------
2359 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2360 dnl ---------------
2361 dnl Verify that a test program compiles and runs with GNAT
2362 dnl $cf_ada_make is set to the program that compiles/links
2363 dnl $ADAFLAGS may be set to the GNAT flags.
2364 dnl
2365 dnl $1 is the text of the spec
2366 dnl $2 is the text of the body
2367 dnl $3 is the shell command to execute if successful
2368 dnl $4 is the shell command to execute if not successful
2369 AC_DEFUN([CF_GNAT_TRY_RUN],
2370 [
2371 rm -rf conftest* *~conftest*
2372 cat >>conftest.ads <<CF_EOF
2373 $1
2374 CF_EOF
2375 cat >>conftest.adb <<CF_EOF
2376 $2
2377 CF_EOF
2378 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2379    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2380 ifelse($3,,      :,[      $3])
2381 ifelse($4,,,[   else
2382       $4])
2383    fi
2384 ifelse($4,,,[else
2385    $4])
2386 fi
2387 rm -rf conftest* *~conftest*
2388 ])dnl
2389 dnl ---------------------------------------------------------------------------
2390 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
2391 dnl ---------------
2392 dnl Verify version of GNAT.
2393 AC_DEFUN([CF_GNAT_VERSION],
2394 [
2395 AC_MSG_CHECKING(for gnat version)
2396 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2397         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2398     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2399 AC_MSG_RESULT($cf_gnat_version)
2400
2401 case $cf_gnat_version in #(vi
2402 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
2403         cf_cv_prog_gnat_correct=yes
2404         ;;
2405 *)
2406         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2407         cf_cv_prog_gnat_correct=no
2408         ;;
2409 esac
2410 ])
2411 dnl ---------------------------------------------------------------------------
2412 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2413 dnl -------------
2414 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2415 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2416 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2417 dnl since it is interwoven with GNU extensions.
2418 dnl
2419 dnl Well, yes we could work around it...
2420 AC_DEFUN([CF_GNU_SOURCE],
2421 [
2422 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2423 AC_TRY_COMPILE([#include <sys/types.h>],[
2424 #ifndef _XOPEN_SOURCE
2425 make an error
2426 #endif],
2427         [cf_cv_gnu_source=no],
2428         [cf_save="$CPPFLAGS"
2429          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2430          AC_TRY_COMPILE([#include <sys/types.h>],[
2431 #ifdef _XOPEN_SOURCE
2432 make an error
2433 #endif],
2434         [cf_cv_gnu_source=no],
2435         [cf_cv_gnu_source=yes])
2436         CPPFLAGS="$cf_save"
2437         ])
2438 ])
2439 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2440 ])dnl
2441 dnl ---------------------------------------------------------------------------
2442 dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
2443 dnl --------------
2444 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2445 dnl problem :-).  If we have the compiler but no library, we'll be able to
2446 dnl configure, but won't be able to build the c++ demo program.
2447 AC_DEFUN([CF_GPP_LIBRARY],
2448 [
2449 cf_cxx_library=unknown
2450 case $cf_cv_system_name in #(vi
2451 os2*) #(vi
2452         cf_gpp_libname=gpp
2453         ;;
2454 *)
2455         cf_gpp_libname=g++
2456         ;;
2457 esac
2458 if test "$GXX" = yes; then
2459         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2460         cf_save="$LIBS"
2461         CF_ADD_LIB($cf_gpp_libname)
2462         AC_TRY_LINK([
2463 #include <$cf_gpp_libname/builtin.h>
2464         ],
2465         [two_arg_error_handler_t foo2 = lib_error_handler],
2466         [cf_cxx_library=yes
2467          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2468          if test "$cf_gpp_libname" = cpp ; then
2469             AC_DEFINE(HAVE_GPP_BUILTIN_H)
2470          else
2471             AC_DEFINE(HAVE_GXX_BUILTIN_H)
2472          fi],
2473         [AC_TRY_LINK([
2474 #include <builtin.h>
2475         ],
2476         [two_arg_error_handler_t foo2 = lib_error_handler],
2477         [cf_cxx_library=yes
2478          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2479          AC_DEFINE(HAVE_BUILTIN_H)],
2480         [cf_cxx_library=no])])
2481         LIBS="$cf_save"
2482         AC_MSG_RESULT($cf_cxx_library)
2483 fi
2484 ])dnl
2485 dnl ---------------------------------------------------------------------------
2486 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2487 dnl --------------
2488 dnl Check for version of g++
2489 AC_DEFUN([CF_GXX_VERSION],[
2490 AC_REQUIRE([AC_PROG_CPP])
2491 GXX_VERSION=none
2492 if test "$GXX" = yes; then
2493         AC_MSG_CHECKING(version of ${CXX:-g++})
2494         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2495         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2496         AC_MSG_RESULT($GXX_VERSION)
2497 fi
2498 ])dnl
2499 dnl ---------------------------------------------------------------------------
2500 dnl CF_GXX_WARNINGS version: 7 updated: 2012/06/16 14:55:39
2501 dnl ---------------
2502 dnl Check if the compiler supports useful warning options.
2503 dnl
2504 dnl Most of gcc's options apply to g++, except:
2505 dnl     -Wbad-function-cast
2506 dnl     -Wmissing-declarations
2507 dnl     -Wnested-externs
2508 dnl
2509 dnl Omit a few (for now):
2510 dnl     -Winline
2511 dnl
2512 dnl Parameter:
2513 dnl     $1 is an optional list of g++ warning flags that a particular
2514 dnl             application might want to use, e.g., "no-unused" for
2515 dnl             -Wno-unused
2516 dnl Special:
2517 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2518 dnl
2519 AC_DEFUN([CF_GXX_WARNINGS],
2520 [
2521
2522 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2523 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2524
2525 AC_REQUIRE([CF_GXX_VERSION])
2526
2527 AC_LANG_SAVE
2528 AC_LANG_CPLUSPLUS
2529
2530 cat > conftest.$ac_ext <<EOF
2531 #line __oline__ "configure"
2532 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2533 EOF
2534
2535 if test "$INTEL_CPLUSPLUS" = yes
2536 then
2537 # The "-wdXXX" options suppress warnings:
2538 # remark #1419: external declaration in primary source file
2539 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2540 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2541 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2542 # remark #193: zero used for undefined preprocessing identifier
2543 # remark #593: variable "curs_sb_left_arrow" was set but never used
2544 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2545 # remark #869: parameter "tw" was never referenced
2546 # remark #981: operands are evaluated in unspecified order
2547 # warning #269: invalid format string conversion
2548
2549         AC_CHECKING([for $CC warning options])
2550         cf_save_CXXFLAGS="$CXXFLAGS"
2551         EXTRA_CXXFLAGS="-Wall"
2552         for cf_opt in \
2553                 wd1419 \
2554                 wd1682 \
2555                 wd1683 \
2556                 wd1684 \
2557                 wd193 \
2558                 wd279 \
2559                 wd593 \
2560                 wd810 \
2561                 wd869 \
2562                 wd981
2563         do
2564                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2565                 if AC_TRY_EVAL(ac_compile); then
2566                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2567                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2568                 fi
2569         done
2570         CXXFLAGS="$cf_save_CXXFLAGS"
2571
2572 elif test "$GXX" = yes
2573 then
2574         AC_CHECKING([for $CXX warning options])
2575         cf_save_CXXFLAGS="$CXXFLAGS"
2576         EXTRA_CXXFLAGS="-W -Wall"
2577         cf_gxx_extra_warnings=""
2578         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2579         case "$GCC_VERSION" in
2580         [[1-2]].*)
2581                 ;;
2582         *)
2583                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2584                 ;;
2585         esac
2586         for cf_opt in \
2587                 Wabi \
2588                 fabi-version=0 \
2589                 Woverloaded-virtual \
2590                 Wsign-promo \
2591                 Wsynth \
2592                 Wold-style-cast \
2593                 Wcast-align \
2594                 Wcast-qual \
2595                 Wmissing-prototypes \
2596                 Wpointer-arith \
2597                 Wshadow \
2598                 Wstrict-prototypes \
2599                 Wundef $cf_gxx_extra_warnings $1
2600         do
2601                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2602                 if AC_TRY_EVAL(ac_compile); then
2603                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2604                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2605                 else
2606                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2607                 fi
2608         done
2609         CXXFLAGS="$cf_save_CXXFLAGS"
2610 fi
2611
2612 rm -rf conftest*
2613 AC_LANG_RESTORE
2614 AC_SUBST(EXTRA_CXXFLAGS)
2615 ])dnl
2616 dnl ---------------------------------------------------------------------------
2617 dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
2618 dnl ------------
2619 dnl Look for an instance of the Berkeley hashed database.
2620 dnl
2621 dnl $1 = optional parameter, to specify install-prefix for the database.
2622 AC_DEFUN([CF_HASHED_DB],
2623 [
2624 ifelse([$1],,,[
2625 case $1 in #(vi
2626 yes|*able*) #(vi
2627     ;;
2628 *)
2629     if test -d "$1" ; then
2630         CF_ADD_INCDIR($1/include)
2631         CF_ADD_LIBDIR($1/lib)
2632     fi
2633 esac
2634 ])
2635 AC_CHECK_HEADER(db.h,[
2636 CF_HASHED_DB_VERSION
2637 if test "$cf_cv_hashed_db_version" = unknown ; then
2638         AC_MSG_ERROR(Cannot determine version of db)
2639 else
2640         CF_HASHED_DB_LIBS
2641         if test "$cf_cv_hashed_db_libs" = unknown ; then
2642                 AC_MSG_ERROR(Cannot determine library for db)
2643         elif test "$cf_cv_hashed_db_libs" != default ; then
2644                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2645         fi
2646 fi
2647 ],[
2648         AC_MSG_ERROR(Cannot find db.h)
2649 ])
2650 ])dnl
2651 dnl ---------------------------------------------------------------------------
2652 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2653 dnl -----------------
2654 dnl Given that we have the header and version for hashed database, find the
2655 dnl library information.
2656 AC_DEFUN([CF_HASHED_DB_LIBS],
2657 [
2658 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2659 cf_cv_hashed_db_libs=unknown
2660 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2661 do
2662         cf_save_libs="$LIBS"
2663         if test -n "$cf_db_libs"; then
2664                 CF_ADD_LIB($cf_db_libs)
2665         fi
2666         CF_MSG_LOG(checking for library "$cf_db_libs")
2667         AC_TRY_LINK([
2668 $ac_includes_default
2669 #include <db.h>
2670 ],[
2671         char *path = "/tmp/foo";
2672 #ifdef DB_VERSION_MAJOR
2673 #if DB_VERSION_MAJOR >= 4
2674         DB *result = 0;
2675         db_create(&result, NULL, 0);
2676         result->open(result,
2677                 NULL,
2678                 path,
2679                 path,
2680                 DB_HASH,
2681                 DB_CREATE,
2682                 0644);
2683 #elif DB_VERSION_MAJOR >= 3
2684         DB *result = 0;
2685         db_create(&result, NULL, 0);
2686         result->open(result,
2687                 path,
2688                 path,
2689                 DB_HASH,
2690                 DB_CREATE,
2691                 0644);
2692 #elif DB_VERSION_MAJOR >= 2
2693         DB *result = 0;
2694         db_open(path,
2695                 DB_HASH,
2696                 DB_CREATE,
2697                 0644,
2698                 (DB_ENV *) 0,
2699                 (DB_INFO *) 0,
2700                 &result);
2701 #endif /* DB_VERSION_MAJOR */
2702 #else
2703         DB *result = dbopen(path,
2704                      2,
2705                      0644,
2706                      DB_HASH,
2707                      0);
2708 #endif
2709         ${cf_cv_main_return:-return}(result != 0)
2710 ],[
2711         if test -n "$cf_db_libs" ; then
2712                 cf_cv_hashed_db_libs=$cf_db_libs
2713         else
2714                 cf_cv_hashed_db_libs=default
2715         fi
2716         LIBS="$cf_save_libs"
2717         break
2718 ])
2719         LIBS="$cf_save_libs"
2720 done
2721 ])
2722 ])dnl
2723 dnl ---------------------------------------------------------------------------
2724 dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
2725 dnl --------------------
2726 dnl Given that we have the header file for hashed database, find the version
2727 dnl information.
2728 AC_DEFUN([CF_HASHED_DB_VERSION],
2729 [
2730 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2731 cf_cv_hashed_db_version=unknown
2732
2733 for cf_db_version in 1 2 3 4 5
2734 do
2735         CF_MSG_LOG(checking for db version $cf_db_version)
2736         AC_TRY_COMPILE([
2737 $ac_includes_default
2738 #include <db.h>
2739
2740 #ifdef DB_VERSION_MAJOR
2741         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2742 #if $cf_db_version == DB_VERSION_MAJOR
2743         /* ok */
2744 #else
2745         make an error
2746 #endif
2747 #else
2748 #if $cf_db_version == 1
2749         /* ok: assuming this is DB 1.8.5 */
2750 #else
2751         make an error
2752 #endif
2753 #endif
2754 ],[DBT *foo = 0],[
2755         cf_cv_hashed_db_version=$cf_db_version
2756         break
2757         ])
2758 done
2759 ])
2760 ])dnl
2761 dnl ---------------------------------------------------------------------------
2762 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2763 dnl --------------
2764 dnl Construct a search-list of directories for a nonstandard header-file
2765 dnl
2766 dnl Parameters
2767 dnl     $1 = the variable to return as result
2768 dnl     $2 = the package name
2769 AC_DEFUN([CF_HEADER_PATH],
2770 [
2771 $1=
2772
2773 # collect the current set of include-directories from compiler flags
2774 cf_header_path_list=""
2775 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2776         for cf_header_path in $CPPFLAGS $CFLAGS
2777         do
2778                 case $cf_header_path in #(vi
2779                 -I*)
2780                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2781                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2782                         cf_header_path_list="$cf_header_path_list [$]$1"
2783                         ;;
2784                 esac
2785         done
2786 fi
2787
2788 # add the variations for the package we are looking for
2789 CF_SUBDIR_PATH($1,$2,include)
2790
2791 test "$includedir" != NONE && \
2792 test "$includedir" != "/usr/include" && \
2793 test -d "$includedir" && {
2794         test -d $includedir &&    $1="[$]$1 $includedir"
2795         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2796 }
2797
2798 test "$oldincludedir" != NONE && \
2799 test "$oldincludedir" != "/usr/include" && \
2800 test -d "$oldincludedir" && {
2801         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2802         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2803 }
2804
2805 $1="[$]$1 $cf_header_path_list"
2806 ])dnl
2807 dnl ---------------------------------------------------------------------------
2808 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2809 dnl ---------------
2810 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2811 AC_DEFUN([CF_HELP_MESSAGE],
2812 [AC_DIVERT_HELP([$1])dnl
2813 ])dnl
2814 dnl ---------------------------------------------------------------------------
2815 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2816 dnl ---------------
2817 dnl Construct the list of include-options according to whether we're building
2818 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2819 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2820 dnl since that usually breaks gcc's shadow-includes.
2821 AC_DEFUN([CF_INCLUDE_DIRS],
2822 [
2823 CPPFLAGS="$CPPFLAGS -I. -I../include"
2824 if test "$srcdir" != "."; then
2825         CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2826 fi
2827 if test "$GCC" != yes; then
2828         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2829 elif test "$includedir" != "/usr/include"; then
2830         if test "$includedir" = '${prefix}/include' ; then
2831                 if test $prefix != /usr ; then
2832                         CPPFLAGS="$CPPFLAGS -I\${includedir}"
2833                 fi
2834         else
2835                 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2836         fi
2837 fi
2838 AC_SUBST(CPPFLAGS)
2839 ])dnl
2840 dnl ---------------------------------------------------------------------------
2841 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2842 dnl -----------------
2843 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2844 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2845 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2846 dnl
2847 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2848 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2849 dnl the wrappers for gcc and g++ warnings.
2850 dnl
2851 dnl $1 = GCC (default) or GXX
2852 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2853 dnl $3 = CFLAGS (default) or CXXFLAGS
2854 AC_DEFUN([CF_INTEL_COMPILER],[
2855 ifelse([$2],,INTEL_COMPILER,[$2])=no
2856
2857 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2858         case $host_os in
2859         linux*|gnu*)
2860                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2861                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2862                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2863                 AC_TRY_COMPILE([],[
2864 #ifdef __INTEL_COMPILER
2865 #else
2866 make an error
2867 #endif
2868 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2869 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2870 ],[])
2871                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2872                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2873                 ;;
2874         esac
2875 fi
2876 ])dnl
2877 dnl ---------------------------------------------------------------------------
2878 dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
2879 dnl ----------
2880 dnl Check if we have either a function or macro for 'isascii()'.
2881 AC_DEFUN([CF_ISASCII],
2882 [
2883 AC_MSG_CHECKING(for isascii)
2884 AC_CACHE_VAL(cf_cv_have_isascii,[
2885         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2886         [cf_cv_have_isascii=yes],
2887         [cf_cv_have_isascii=no])
2888 ])dnl
2889 AC_MSG_RESULT($cf_cv_have_isascii)
2890 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
2891 ])dnl
2892 dnl ---------------------------------------------------------------------------
2893 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2894 dnl ------------
2895 dnl Add checks for large file support.
2896 AC_DEFUN([CF_LARGEFILE],[
2897 ifdef([AC_FUNC_FSEEKO],[
2898     AC_SYS_LARGEFILE
2899     if test "$enable_largefile" != no ; then
2900         AC_FUNC_FSEEKO
2901
2902         # Normally we would collect these definitions in the config.h,
2903         # but (like _XOPEN_SOURCE), some environments rely on having these
2904         # defined before any of the system headers are included.  Another
2905         # case comes up with C++, e.g., on AIX the compiler compiles the
2906         # header files by themselves before looking at the body files it is
2907         # told to compile.  For ncurses, those header files do not include
2908         # the config.h
2909         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2910         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2911         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2912
2913         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2914                 AC_TRY_COMPILE([
2915 #include <sys/types.h>
2916 #include <dirent.h>
2917                 ],[
2918                 /* if transitional largefile support is setup, this is true */
2919                 extern struct dirent64 * readdir(DIR *);
2920                 struct dirent64 *x = readdir((DIR *)0);
2921                 struct dirent *y = readdir((DIR *)0);
2922                 int z = x - y;
2923                 ],
2924                 [cf_cv_struct_dirent64=yes],
2925                 [cf_cv_struct_dirent64=no])
2926         ])
2927         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2928     fi
2929 ])
2930 ])
2931 dnl ---------------------------------------------------------------------------
2932 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2933 dnl -----------------
2934 dnl Check for compiler/linker flags used to temporarily force usage of static
2935 dnl libraries.  This depends on the compiler and platform.  Use this to help
2936 dnl ensure that the linker picks up a given library based on its position in
2937 dnl the list of linker options and libraries.
2938 AC_DEFUN([CF_LDFLAGS_STATIC],[
2939
2940 if test "$GCC" = yes ; then
2941         case $cf_cv_system_name in #(
2942         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2943                 LDFLAGS_STATIC=
2944                 LDFLAGS_SHARED=
2945                 ;;
2946     *)  #( normally, except when broken
2947         LDFLAGS_STATIC=-static
2948         LDFLAGS_SHARED=-dynamic
2949         ;;
2950     esac
2951 else
2952         case $cf_cv_system_name in #(
2953         aix[[4-7]]*)    #( from ld manpage
2954                 LDFLAGS_STATIC=-bstatic
2955                 LDFLAGS_SHARED=-bdynamic
2956                 ;;
2957         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2958                 # We could also use just "archive" and "shared".
2959                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2960                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2961                 ;;
2962         irix*)          #( from ld manpage IRIX64
2963                 LDFLAGS_STATIC=-Bstatic
2964                 LDFLAGS_SHARED=-Bdynamic
2965                 ;;
2966         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2967                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2968                 LDFLAGS_STATIC=-noso
2969                 LDFLAGS_SHARED=-so_archive
2970                 ;;
2971         solaris2*)
2972                 LDFLAGS_STATIC=-Bstatic
2973                 LDFLAGS_SHARED=-Bdynamic
2974                 ;;
2975         esac
2976 fi
2977
2978 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2979 then
2980         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2981
2982         rm -f libconftest.a
2983         cat >conftest.$ac_ext <<EOF
2984 #line __oline__ "configure"
2985 #include <stdio.h>
2986 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
2987 EOF
2988         if AC_TRY_EVAL(ac_compile) ; then
2989                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
2990                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
2991         fi
2992         rm -f conftest.*
2993
2994         cf_save_LIBS="$LIBS"
2995
2996         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
2997         AC_TRY_LINK([
2998 #line __oline__ "configure"
2999 #include <stdio.h>
3000 int cf_ldflags_static(FILE *fp);
3001 ],[
3002         return cf_ldflags_static(stdin);
3003 ],[
3004         # some linkers simply ignore the -dynamic
3005         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
3006         *static*) # (vi
3007                 cf_ldflags_static=no
3008                 ;;
3009         *)
3010                 cf_ldflags_static=yes
3011                 ;;
3012         esac
3013 ],[cf_ldflags_static=no])
3014
3015         rm -f libconftest.*
3016         LIBS="$cf_save_LIBS"
3017
3018         AC_MSG_RESULT($cf_ldflags_static)
3019
3020         if test $cf_ldflags_static != yes
3021         then
3022                 LDFLAGS_STATIC=
3023                 LDFLAGS_SHARED=
3024         fi
3025 else
3026         LDFLAGS_STATIC=
3027         LDFLAGS_SHARED=
3028 fi
3029
3030 AC_SUBST(LDFLAGS_STATIC)
3031 AC_SUBST(LDFLAGS_SHARED)
3032 ])
3033 dnl ---------------------------------------------------------------------------
3034 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
3035 dnl ---------------
3036 dnl For the given system and compiler, find the compiler flags to pass to the
3037 dnl loader to use the "rpath" feature.
3038 AC_DEFUN([CF_LD_RPATH_OPT],
3039 [
3040 AC_REQUIRE([CF_CHECK_CACHE])
3041
3042 LD_RPATH_OPT=
3043 AC_MSG_CHECKING(for an rpath option)
3044 case $cf_cv_system_name in #(vi
3045 irix*) #(vi
3046         if test "$GCC" = yes; then
3047                 LD_RPATH_OPT="-Wl,-rpath,"
3048         else
3049                 LD_RPATH_OPT="-rpath "
3050         fi
3051         ;;
3052 linux*|gnu*|k*bsd*-gnu) #(vi
3053         LD_RPATH_OPT="-Wl,-rpath,"
3054         ;;
3055 openbsd[[2-9]].*|mirbsd*) #(vi
3056         LD_RPATH_OPT="-Wl,-rpath,"
3057         ;;
3058 dragonfly*|freebsd*) #(vi
3059         LD_RPATH_OPT="-rpath "
3060         ;;
3061 netbsd*) #(vi
3062         LD_RPATH_OPT="-Wl,-rpath,"
3063         ;;
3064 osf*|mls+*) #(vi
3065         LD_RPATH_OPT="-rpath "
3066         ;;
3067 solaris2*) #(vi
3068         LD_RPATH_OPT="-R"
3069         ;;
3070 *)
3071         ;;
3072 esac
3073 AC_MSG_RESULT($LD_RPATH_OPT)
3074
3075 case "x$LD_RPATH_OPT" in #(vi
3076 x-R*)
3077         AC_MSG_CHECKING(if we need a space after rpath option)
3078         cf_save_LIBS="$LIBS"
3079         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3080         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3081         LIBS="$cf_save_LIBS"
3082         AC_MSG_RESULT($cf_rpath_space)
3083         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3084         ;;
3085 esac
3086 ])dnl
3087 dnl ---------------------------------------------------------------------------
3088 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
3089 dnl ---------------
3090 dnl Construct a search-list of directories for a nonstandard library-file
3091 dnl
3092 dnl Parameters
3093 dnl     $1 = the variable to return as result
3094 dnl     $2 = the package name
3095 AC_DEFUN([CF_LIBRARY_PATH],
3096 [
3097 $1=
3098 cf_library_path_list=""
3099 if test -n "${LDFLAGS}${LIBS}" ; then
3100         for cf_library_path in $LDFLAGS $LIBS
3101         do
3102                 case $cf_library_path in #(vi
3103                 -L*)
3104                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3105                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3106                         cf_library_path_list="$cf_library_path_list [$]$1"
3107                         ;;
3108                 esac
3109         done
3110 fi
3111
3112 CF_SUBDIR_PATH($1,$2,lib)
3113
3114 $1="$cf_library_path_list [$]$1"
3115 ])dnl
3116 dnl ---------------------------------------------------------------------------
3117 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
3118 dnl -------------
3119 dnl Compute the library-prefix for the given host system
3120 dnl $1 = variable to set
3121 define([CF_LIB_PREFIX],
3122 [
3123         case $cf_cv_system_name in #(vi
3124         OS/2*|os2*) #(vi
3125         LIB_PREFIX=''
3126         ;;
3127         *)      LIB_PREFIX='lib'
3128         ;;
3129         esac
3130 ifelse($1,,,[$1=$LIB_PREFIX])
3131         AC_SUBST(LIB_PREFIX)
3132 ])dnl
3133 dnl ---------------------------------------------------------------------------
3134 dnl CF_LIB_RULES version: 65 updated: 2012/06/30 17:25:25
3135 dnl ------------
3136 dnl Append definitions and rules for the given models to the subdirectory
3137 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3138 dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
3139 dnl the corresponding makefile to list the models that we'll generate.
3140 dnl
3141 dnl For shared libraries, make a list of symbolic links to construct when
3142 dnl generating each library.  The convention used for Linux is the simplest
3143 dnl one:
3144 dnl     lib<name>.so    ->
3145 dnl     lib<name>.so.<major>    ->
3146 dnl     lib<name>.so.<maj>.<minor>
3147 AC_DEFUN([CF_LIB_RULES],
3148 [
3149 cf_prefix=$LIB_PREFIX
3150 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3151
3152 case $cf_cv_shlib_version in #(vi
3153 cygdll|mingw)
3154         TINFO_NAME=$TINFO_ARG_SUFFIX
3155         TINFO_SUFFIX=.dll
3156         ;;
3157 esac
3158
3159 if test -n "$TINFO_SUFFIX" ; then
3160         case $TINFO_SUFFIX in
3161         tw*)
3162                 TINFO_NAME="${TINFO_NAME}tw"
3163                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3164                 ;;
3165         t*)
3166                 TINFO_NAME="${TINFO_NAME}t"
3167                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3168                 ;;
3169         w*)
3170                 TINFO_NAME="${TINFO_NAME}w"
3171                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3172                 ;;
3173         esac
3174 fi
3175
3176 for cf_dir in $SRC_SUBDIRS
3177 do
3178         if test ! -d $srcdir/$cf_dir ; then
3179                 continue
3180         elif test -f $srcdir/$cf_dir/modules; then
3181
3182                 SHARED_LIB=
3183                 LIBS_TO_MAKE=
3184                 for cf_item in $cf_LIST_MODELS
3185                 do
3186                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3187                         if test $cf_item = shared ; then
3188                         if test "$cf_cv_do_symlinks" = yes ; then
3189                                 case "$cf_cv_shlib_version" in #(vi
3190                                 rel) #(vi
3191                                         case "$cf_cv_system_name" in #(vi
3192                                         darwin*)
3193                                         case .${LIB_SUFFIX} in
3194                                         .tw*)
3195                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3196                                                 cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
3197                                                 ;;
3198                                         .t*)
3199                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3200                                                 cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
3201                                                 ;;
3202                                         .w*)
3203                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3204                                                 cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
3205                                                 ;;
3206                                         *)
3207                                                 cf_suffix='.${REL_VERSION}'"$cf_suffix"
3208                                                 ;;
3209                                         esac
3210                                         ;; #(vi
3211                                         *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
3212                                         esac
3213                                         ;;
3214                                 abi)
3215                                         case "$cf_cv_system_name" in #(vi
3216                                         darwin*)
3217                                         case .${LIB_SUFFIX} in
3218                                         .tw*)
3219                                                 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3220                                                 cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
3221                                                 ;;
3222                                         .t*)
3223                                                 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3224                                                 cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
3225                                                 ;;
3226                                         .w*)
3227                                                 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3228                                                 cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
3229                                                 ;;
3230                                         *)
3231                                                 cf_suffix='.${ABI_VERSION}'"$cf_suffix"
3232                                                 ;;
3233                                         esac
3234                                         ;; #(vi
3235                                         *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
3236                                         esac
3237                                         ;;
3238                                 esac
3239                         fi
3240                         # cygwin needs import library, and has unique naming convention
3241                         # use autodetected ${cf_prefix} for import lib and static lib, but
3242                         # use 'cyg' prefix for shared lib.
3243                         case $cf_cv_shlib_version in #(vi
3244                         cygdll) #(vi
3245                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3246                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
3247                                 continue
3248                                 ;;
3249                         mingw)
3250                                 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3251                                 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/lib${cf_dir}${cf_cygsuf}"
3252                                 continue
3253                                 ;;
3254                         esac
3255                         fi
3256                         LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
3257                 done
3258
3259                 if test $cf_dir = ncurses ; then
3260                         cf_subsets="$LIB_SUBSETS"
3261                         cf_r_parts="$cf_subsets"
3262                         cf_liblist="$LIBS_TO_MAKE"
3263
3264                         while test -n "$cf_r_parts"
3265                         do
3266                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3267                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3268                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3269                                         cf_item=
3270                                         case $cf_l_parts in #(vi
3271                                         *termlib*) #(vi
3272                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3273                                                 ;;
3274                                         *ticlib*)
3275                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3276                                                 ;;
3277                                         *)
3278                                                 break
3279                                                 ;;
3280                                         esac
3281                                         if test -n "$cf_item"; then
3282                                                 LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
3283                                         fi
3284                                 else
3285                                         break
3286                                 fi
3287                         done
3288                 else
3289                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3290                 fi
3291
3292                 sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
3293                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3294                         $cf_dir/Makefile >$cf_dir/Makefile.out
3295                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3296
3297                 $AWK -f $srcdir/mk-0th.awk \
3298                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3299                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3300
3301                 for cf_subset in $cf_subsets
3302                 do
3303                         cf_subdirs=
3304                         for cf_item in $cf_LIST_MODELS
3305                         do
3306                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3307                         CF_UPPER(cf_ITEM,$cf_item)
3308                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3309                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3310
3311                         # Test for case where we build libtinfo with a different name.
3312                         cf_libname=$cf_dir
3313                         if test $cf_dir = ncurses ; then
3314                                 case $cf_subset in
3315                                 *base*)
3316                                         cf_libname=${cf_libname}$LIB_SUFFIX
3317                                         ;;
3318                                 *termlib*)
3319                                         cf_libname=$TINFO_LIB_SUFFIX
3320                                         ;;
3321                                 ticlib*)
3322                                         cf_libname=$TICS_LIB_SUFFIX
3323                                         ;;
3324                                 esac
3325                         else
3326                                 cf_libname=${cf_libname}$LIB_SUFFIX
3327                         fi
3328                         if test -n "${DFT_ARG_SUFFIX}" ; then
3329                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3330                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3331                         fi
3332
3333                         # These dependencies really are for development, not
3334                         # builds, but they are useful in porting, too.
3335                         cf_depend="../include/ncurses_cfg.h"
3336                         if test "$srcdir" = "."; then
3337                                 cf_reldir="."
3338                         else
3339                                 cf_reldir="\${srcdir}"
3340                         fi
3341
3342                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3343                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3344                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3345                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3346                         fi
3347
3348                         cf_dir_suffix=
3349                         old_cf_suffix="$cf_suffix"
3350                         if test "$cf_cv_shlib_version_infix" = yes ; then
3351                         if test -n "$LIB_SUFFIX" ; then
3352                                 case $LIB_SUFFIX in
3353                                 tw*)
3354                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3355                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3356                                         cf_dir_suffix=tw
3357                                         ;;
3358                                 t*)
3359                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3360                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3361                                         cf_dir_suffix=t
3362                                         ;;
3363                                 w*)
3364                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3365                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3366                                         cf_dir_suffix=w
3367                                         ;;
3368                                 esac
3369                         fi
3370                         fi
3371
3372                         $AWK -f $srcdir/mk-1st.awk \
3373                                 name=${cf_libname}${cf_dir_suffix} \
3374                                 traces=$LIB_TRACING \
3375                                 MODEL=$cf_ITEM \
3376                                 model=$cf_subdir \
3377                                 prefix=$cf_prefix \
3378                                 suffix=$cf_suffix \
3379                                 subset=$cf_subset \
3380                                 driver=$cf_cv_term_driver \
3381                                 SymLink="$LN_S" \
3382                                 TermlibRoot=$TINFO_NAME \
3383                                 TermlibSuffix=$TINFO_SUFFIX \
3384                                 ShlibVer=$cf_cv_shlib_version \
3385                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3386                                 ReLink=${cf_cv_do_relink:-no} \
3387                                 DoLinks=$cf_cv_do_symlinks \
3388                                 rmSoLocs=$cf_cv_rm_so_locs \
3389                                 ldconfig="$LDCONFIG" \
3390                                 overwrite=$WITH_OVERWRITE \
3391                                 depend="$cf_depend" \
3392                                 host="$host" \
3393                                 libtool_version="$LIBTOOL_VERSION" \
3394                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3395
3396                         cf_suffix="$old_cf_suffix"
3397
3398                         for cf_subdir2 in $cf_subdirs lib
3399                         do
3400                                 test $cf_subdir = $cf_subdir2 && break
3401                         done
3402                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3403                         $AWK -f $srcdir/mk-2nd.awk \
3404                                 name=$cf_dir \
3405                                 traces=$LIB_TRACING \
3406                                 MODEL=$cf_ITEM \
3407                                 model=$cf_subdir \
3408                                 subset=$cf_subset \
3409                                 srcdir=$srcdir \
3410                                 echo=$WITH_ECHO \
3411                                 crenames=$cf_cv_prog_CC_c_o \
3412                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3413                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3414                         cf_subdirs="$cf_subdirs $cf_subdir"
3415                         done
3416                 done
3417         fi
3418
3419         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
3420 done
3421
3422 for cf_dir in $SRC_SUBDIRS
3423 do
3424         if test ! -d $srcdir/$cf_dir ; then
3425                 continue
3426         fi
3427
3428         if test -f $cf_dir/Makefile ; then
3429                 case "$cf_dir" in
3430                 Ada95) #(vi
3431                         echo 'libs \' >> Makefile
3432                         echo 'install.libs \' >> Makefile
3433                         echo 'uninstall.libs ::' >> Makefile
3434                         echo '  cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
3435                         ;;
3436                 esac
3437         fi
3438
3439         if test -f $srcdir/$cf_dir/modules; then
3440                 echo >> Makefile
3441                 if test -f $srcdir/$cf_dir/headers; then
3442 cat >> Makefile <<CF_EOF
3443 install.includes \\
3444 uninstall.includes \\
3445 CF_EOF
3446                 fi
3447 if test "$cf_dir" != "c++" ; then
3448 echo 'lint \' >> Makefile
3449 fi
3450 cat >> Makefile <<CF_EOF
3451 libs \\
3452 lintlib \\
3453 install.libs \\
3454 uninstall.libs \\
3455 install.$cf_dir \\
3456 uninstall.$cf_dir ::
3457         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3458 CF_EOF
3459         elif test -f $srcdir/$cf_dir/headers; then
3460 cat >> Makefile <<CF_EOF
3461
3462 libs \\
3463 install.libs \\
3464 uninstall.libs \\
3465 install.includes \\
3466 uninstall.includes ::
3467         cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3468 CF_EOF
3469 fi
3470 done
3471
3472 cat >> Makefile <<CF_EOF
3473
3474 install.libs uninstall.libs \\
3475 install.data uninstall.data ::
3476 $MAKE_TERMINFO  cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
3477 CF_EOF
3478
3479 if test "x$cf_with_manpages" = xyes; then
3480 cat >> Makefile <<CF_EOF
3481
3482 install.man \\
3483 uninstall.man ::
3484         cd man && \${MAKE} \${CF_MFLAGS} \[$]@
3485 CF_EOF
3486 fi
3487
3488 cat >> Makefile <<CF_EOF
3489
3490 distclean ::
3491         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3492         rm -f headers.sh headers.sed mk_shared_lib.sh
3493         rm -f edit_man.* man_alias.*
3494         rm -rf \${DIRS_TO_MAKE}
3495 CF_EOF
3496
3497 # Special case: tack's manpage lives in its own directory.
3498 if test "x$cf_with_manpages" = xyes; then
3499 if test -d tack ; then
3500 if test -f $srcdir/$tack.h; then
3501 cat >> Makefile <<CF_EOF
3502
3503 install.man \\
3504 uninstall.man ::
3505         cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
3506 CF_EOF
3507 fi
3508 fi
3509 fi
3510
3511 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3512 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3513 dnl anything, and will make it more standardized.  It's awkward to decide this
3514 dnl at configuration because of quoting, so we'll simply make all headers
3515 dnl installed via a script that can do the right thing.
3516
3517 rm -f headers.sed headers.sh
3518
3519 dnl ( generating this script makes the makefiles a little tidier :-)
3520 echo creating headers.sh
3521 cat >headers.sh <<CF_EOF
3522 #! /bin/sh
3523 # This shell script is generated by the 'configure' script.  It is invoked in a
3524 # subdirectory of the build tree.  It generates a sed-script in the parent
3525 # directory that is used to adjust includes for header files that reside in a
3526 # subdirectory of /usr/include, etc.
3527 PRG=""
3528 while test \[$]# != 3
3529 do
3530 PRG="\$PRG \[$]1"; shift
3531 done
3532 DST=\[$]1
3533 REF=\[$]2
3534 SRC=\[$]3
3535 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3536 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3537 echo installing \$SRC in \$DST
3538 CF_EOF
3539
3540 if test $WITH_CURSES_H = yes; then
3541         cat >>headers.sh <<CF_EOF
3542 case \$DST in
3543 /*/include/*)
3544         END=\`basename \$DST\`
3545         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3546         do
3547                 NAME=\`basename \$i\`
3548                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3549         done
3550         ;;
3551 *)
3552         echo "" >> \$TMPSED
3553         ;;
3554 esac
3555 CF_EOF
3556
3557 else
3558         cat >>headers.sh <<CF_EOF
3559 case \$DST in
3560 /*/include/*)
3561         END=\`basename \$DST\`
3562         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3563         do
3564                 NAME=\`basename \$i\`
3565                 if test "\$NAME" = "curses.h"
3566                 then
3567                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3568                         NAME=ncurses.h
3569                 fi
3570                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3571         done
3572         ;;
3573 *)
3574         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3575         ;;
3576 esac
3577 CF_EOF
3578 fi
3579 cat >>headers.sh <<CF_EOF
3580 rm -f \$TMPSRC
3581 sed -f \$TMPSED \$SRC > \$TMPSRC
3582 NAME=\`basename \$SRC\`
3583 CF_EOF
3584 if test $WITH_CURSES_H != yes; then
3585         cat >>headers.sh <<CF_EOF
3586 test "\$NAME" = "curses.h" && NAME=ncurses.h
3587 CF_EOF
3588 fi
3589 cat >>headers.sh <<CF_EOF
3590 # Just in case someone gzip'd manpages, remove the conflicting copy.
3591 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3592
3593 eval \$PRG \$TMPSRC \$DST/\$NAME
3594 rm -f \$TMPSRC \$TMPSED
3595 CF_EOF
3596
3597 chmod 0755 headers.sh
3598
3599 for cf_dir in $SRC_SUBDIRS
3600 do
3601         if test ! -d $srcdir/$cf_dir ; then
3602                 continue
3603         fi
3604
3605         if test -f $srcdir/$cf_dir/headers; then
3606                 $AWK -f $srcdir/mk-hdr.awk \
3607                         subset="$LIB_SUBSETS" \
3608                         compat="$WITH_CURSES_H" \
3609                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3610         fi
3611
3612         if test -f $srcdir/$cf_dir/modules; then
3613                 if test "$cf_dir" != "c++" ; then
3614                         cat >>$cf_dir/Makefile <<"CF_EOF"
3615 depend : ${AUTO_SRC}
3616         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3617
3618 # DO NOT DELETE THIS LINE -- make depend depends on it.
3619 CF_EOF
3620                 fi
3621         fi
3622 done
3623 AC_SUBST(LIBS_TO_MAKE)
3624 ])dnl
3625 dnl ---------------------------------------------------------------------------
3626 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3627 dnl -------------
3628 dnl Find the and soname for the given shared library.  Set the cache variable
3629 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3630 dnl variable to "unknown".
3631 dnl
3632 dnl $1 = headers
3633 dnl $2 = code
3634 dnl $3 = library name
3635 AC_DEFUN([CF_LIB_SONAME],
3636 [
3637 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3638
3639 cf_cv_$3_soname=unknown
3640 if test "$cross_compiling" != yes ; then
3641 cat >conftest.$ac_ext <<CF_EOF
3642 $1
3643 int main()
3644 {
3645 $2
3646         ${cf_cv_main_return:-return}(0);
3647 }
3648 CF_EOF
3649 cf_save_LIBS="$LIBS"
3650         CF_ADD_LIB($3)
3651         if AC_TRY_EVAL(ac_compile) ; then
3652                 if AC_TRY_EVAL(ac_link) ; then
3653                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3654                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3655                 fi
3656         fi
3657 rm -rf conftest*
3658 LIBS="$cf_save_LIBS"
3659 fi
3660 ])
3661 ])
3662 dnl ---------------------------------------------------------------------------
3663 dnl CF_LIB_SUFFIX version: 18 updated: 2012/02/25 15:20:07
3664 dnl -------------
3665 dnl Compute the library file-suffix from the given model name
3666 dnl $1 = model name
3667 dnl $2 = variable to set (the nominal library suffix)
3668 dnl $3 = dependency variable to set (actual filename)
3669 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3670 AC_DEFUN([CF_LIB_SUFFIX],
3671 [
3672         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3673         case $1 in #(vi
3674         libtool) #(vi
3675                 $2='.la'
3676                 $3=[$]$2
3677                 ;;
3678         normal) #(vi
3679                 $2='.a'
3680                 $3=[$]$2
3681                 ;;
3682         debug) #(vi
3683                 $2='_g.a'
3684                 $3=[$]$2
3685                 ;;
3686         profile) #(vi
3687                 $2='_p.a'
3688                 $3=[$]$2
3689                 ;;
3690         shared) #(vi
3691                 case $cf_cv_system_name in
3692                 aix[[5-7]]*) #(vi
3693                         $2='.a'
3694                         $3=[$]$2
3695                         ;;
3696                 cygwin*|mingw*) #(vi
3697                         $2='.dll'
3698                         $3='.dll.a'
3699                         ;;
3700                 darwin*) #(vi
3701                         $2='.dylib'
3702                         $3=[$]$2
3703                         ;;
3704                 hpux*) #(vi
3705                         case $target in
3706                         ia64*) #(vi
3707                                 $2='.so'
3708                                 $3=[$]$2
3709                                 ;;
3710                         *) #(vi
3711                                 $2='.sl'
3712                                 $3=[$]$2
3713                                 ;;
3714                         esac
3715                         ;;
3716                 *)      $2='.so'
3717                         $3=[$]$2
3718                         ;;
3719                 esac
3720         esac
3721         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3722         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3723 ])dnl
3724 dnl ---------------------------------------------------------------------------
3725 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3726 dnl -----------
3727 dnl Compute the string to append to -library from the given model name
3728 dnl $1 = model name
3729 dnl $2 = variable to set
3730 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3731 AC_DEFUN([CF_LIB_TYPE],
3732 [
3733         case $1 in
3734         libtool) $2=''   ;;
3735         normal)  $2=''   ;;
3736         debug)   $2='_g' ;;
3737         profile) $2='_p' ;;
3738         shared)  $2=''   ;;
3739         esac
3740         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3741 ])dnl
3742 dnl ---------------------------------------------------------------------------
3743 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
3744 dnl ----------------
3745 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3746 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3747 dnl have to provide wrappers for global tables to ensure they're linked
3748 dnl properly.
3749 AC_DEFUN([CF_LINK_DATAONLY],
3750 [
3751 AC_MSG_CHECKING([if data-only library module links])