Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 2010-2012,2013 Free Software Foundation, Inc.              *
   3 dnl                                                                          *
   4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   5 dnl copy of this software and associated documentation files (the            *
   6 dnl "Software"), to deal in the Software without restriction, including      *
   7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
   9 dnl copies of the Software, and to permit persons to whom the Software is    *
  10 dnl furnished to do so, subject to the following conditions:                 *
  11 dnl                                                                          *
  12 dnl The above copyright notice and this permission notice shall be included  *
  13 dnl in all copies or substantial portions of the Software.                   *
  14 dnl                                                                          *
  15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22 dnl                                                                          *
  23 dnl Except as contained in this notice, the name(s) of the above copyright   *
  24 dnl holders shall not be used in advertising or otherwise to promote the     *
  25 dnl sale, use or other dealings in this Software without prior written       *
  26 dnl authorization.                                                           *
  27 dnl***************************************************************************
  28 dnl
  29 dnl Author: Thomas E. Dickey
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.66 2013/04/13 23:00:18 tom Exp $
  32 dnl Macros used in NCURSES Ada95 auto-configuration script.
  33 dnl
  34 dnl These macros are maintained separately from NCURSES.  The copyright on
  35 dnl this file applies to the aggregation of macros and does not affect use of
  36 dnl these macros in other applications.
  37 dnl
  38 dnl See http://invisible-island.net/autoconf/ for additional information.
  39 dnl
  40 dnl ---------------------------------------------------------------------------
  41 dnl ---------------------------------------------------------------------------
  42 dnl CF_ACVERSION_CHECK version: 4 updated: 2013/03/04 19:52:56
  43 dnl ------------------
  44 dnl Conditionally generate script according to whether we're using a given autoconf.
  45 dnl
  46 dnl $1 = version to compare against
  47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  48 dnl $3 = code to use if AC_ACVERSION is older than $1.
  49 define([CF_ACVERSION_CHECK],
  50 [
  51 ifdef([AC_ACVERSION], ,[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])dnl
  52 ifdef([m4_version_compare],
  53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  54 [CF_ACVERSION_COMPARE(
  55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  57 dnl ---------------------------------------------------------------------------
  58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
  59 dnl --------------------
  60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  61 dnl                      MAJOR2, MINOR2, TERNARY2,
  62 dnl                      PRINTABLE2, not FOUND, FOUND)
  63 define([CF_ACVERSION_COMPARE],
  64 [ifelse(builtin([eval], [$2 < $5]), 1,
  65 [ifelse([$8], , ,[$8])],
  66 [ifelse([$9], , ,[$9])])])dnl
  67 dnl ---------------------------------------------------------------------------
  68 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
  69 dnl -------------------
  70 dnl Construct the list of include-options for the C programs in the Ada95
  71 dnl binding.
  72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  73 [
  74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  75 if test "$srcdir" != "."; then
  76         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
  77 fi
  78 if test "$GCC" != yes; then
  79         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  80 elif test "$includedir" != "/usr/include"; then
  81         if test "$includedir" = '${prefix}/include' ; then
  82                 if test $prefix != /usr ; then
  83                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  84                 fi
  85         else
  86                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  87         fi
  88 fi
  89 AC_SUBST(ACPPFLAGS)
  90 ])dnl
  91 dnl ---------------------------------------------------------------------------
  92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
  93 dnl ---------------
  94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
  95 AC_DEFUN([CF_ADD_ADAFLAGS],[
  96         ADAFLAGS="$ADAFLAGS $1"
  97         AC_SUBST(ADAFLAGS)
  98 ])dnl
  99 dnl ---------------------------------------------------------------------------
 100 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
 101 dnl -------------
 102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 103 dnl The second parameter if given makes this macro verbose.
 104 dnl
 105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 107 dnl confused by the quotes (which require backslashes to keep them usable).
 108 AC_DEFUN([CF_ADD_CFLAGS],
 109 [
 110 cf_fix_cppflags=no
 111 cf_new_cflags=
 112 cf_new_cppflags=
 113 cf_new_extra_cppflags=
 114
 115 for cf_add_cflags in $1
 116 do
 117 case $cf_fix_cppflags in
 118 no)
 119         case $cf_add_cflags in #(vi
 120         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
 121                 case $cf_add_cflags in
 122                 -D*)
 123                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 124
 125                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 126                                 && test -z "${cf_tst_cflags}" \
 127                                 && cf_fix_cppflags=yes
 128
 129                         if test $cf_fix_cppflags = yes ; then
 130                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 131                                 continue
 132                         elif test "${cf_tst_cflags}" = "\"'" ; then
 133                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 134                                 continue
 135                         fi
 136                         ;;
 137                 esac
 138                 case "$CPPFLAGS" in
 139                 *$cf_add_cflags) #(vi
 140                         ;;
 141                 *) #(vi
 142                         case $cf_add_cflags in #(vi
 143                         -D*)
 144                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 145                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 146                                 ;;
 147                         esac
 148                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 149                         ;;
 150                 esac
 151                 ;;
 152         *)
 153                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 154                 ;;
 155         esac
 156         ;;
 157 yes)
 158         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 159
 160         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 161
 162         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 163                 && test -z "${cf_tst_cflags}" \
 164                 && cf_fix_cppflags=no
 165         ;;
 166 esac
 167 done
 168
 169 if test -n "$cf_new_cflags" ; then
 170         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 171         CFLAGS="$CFLAGS $cf_new_cflags"
 172 fi
 173
 174 if test -n "$cf_new_cppflags" ; then
 175         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 176         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 177 fi
 178
 179 if test -n "$cf_new_extra_cppflags" ; then
 180         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 181         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 182 fi
 183
 184 AC_SUBST(EXTRA_CPPFLAGS)
 185
 186 ])dnl
 187 dnl ---------------------------------------------------------------------------
 188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
 189 dnl -------------
 190 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 191 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 192 dnl but old versions (and some misinstalled ones) need that.  To make things
 193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 194 dnl the include-path).
 195 AC_DEFUN([CF_ADD_INCDIR],
 196 [
 197 if test -n "$1" ; then
 198   for cf_add_incdir in $1
 199   do
 200         while test $cf_add_incdir != /usr/include
 201         do
 202           if test -d $cf_add_incdir
 203           then
 204                 cf_have_incdir=no
 205                 if test -n "$CFLAGS$CPPFLAGS" ; then
 206                   # a loop is needed to ensure we can add subdirs of existing dirs
 207                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 208                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 209                           cf_have_incdir=yes; break
 210                         fi
 211                   done
 212                 fi
 213
 214                 if test "$cf_have_incdir" = no ; then
 215                   if test "$cf_add_incdir" = /usr/local/include ; then
 216                         if test "$GCC" = yes
 217                         then
 218                           cf_save_CPPFLAGS=$CPPFLAGS
 219                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 220                           AC_TRY_COMPILE([#include <stdio.h>],
 221                                   [printf("Hello")],
 222                                   [],
 223                                   [cf_have_incdir=yes])
 224                           CPPFLAGS=$cf_save_CPPFLAGS
 225                         fi
 226                   fi
 227                 fi
 228
 229                 if test "$cf_have_incdir" = no ; then
 230                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 231                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 232
 233                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 234                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 235                   cf_add_incdir="$cf_top_incdir"
 236                 else
 237                   break
 238                 fi
 239           fi
 240         done
 241   done
 242 fi
 243 ])dnl
 244 dnl ---------------------------------------------------------------------------
 245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 246 dnl ----------
 247 dnl Add a library, used to enforce consistency.
 248 dnl
 249 dnl $1 = library to add, without the "-l"
 250 dnl $2 = variable to update (default $LIBS)
 251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 252 dnl ---------------------------------------------------------------------------
 253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
 254 dnl -------------
 255 dnl     Adds to the library-path
 256 dnl
 257 dnl     Some machines have trouble with multiple -L options.
 258 dnl
 259 dnl $1 is the (list of) directory(s) to add
 260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 261 dnl
 262 AC_DEFUN([CF_ADD_LIBDIR],
 263 [
 264 if test -n "$1" ; then
 265   for cf_add_libdir in $1
 266   do
 267     if test $cf_add_libdir = /usr/lib ; then
 268       :
 269     elif test -d $cf_add_libdir
 270     then
 271       cf_have_libdir=no
 272       if test -n "$LDFLAGS$LIBS" ; then
 273         # a loop is needed to ensure we can add subdirs of existing dirs
 274         for cf_test_libdir in $LDFLAGS $LIBS ; do
 275           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 276             cf_have_libdir=yes; break
 277           fi
 278         done
 279       fi
 280       if test "$cf_have_libdir" = no ; then
 281         CF_VERBOSE(adding $cf_add_libdir to library-path)
 282         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 283       fi
 284     fi
 285   done
 286 fi
 287 ])dnl
 288 dnl ---------------------------------------------------------------------------
 289 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
 290 dnl -----------
 291 dnl Add one or more libraries, used to enforce consistency.
 292 dnl
 293 dnl $1 = libraries to add, with the "-l", etc.
 294 dnl $2 = variable to update (default $LIBS)
 295 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
 296 dnl ---------------------------------------------------------------------------
 297 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
 298 dnl ------------------
 299 dnl Append to a search-list for a nonstandard header/lib-file
 300 dnl     $1 = the variable to return as result
 301 dnl     $2 = the package name
 302 dnl     $3 = the subdirectory, e.g., bin, include or lib
 303 dnl $4 = the directory under which we will test for subdirectories
 304 dnl $5 = a directory that we do not want $4 to match
 305 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 306 [
 307 test "$4" != "$5" && \
 308 test -d "$4" && \
 309 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
 310         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 311         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 312         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 313         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 314         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 315         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 316 }
 317 ])dnl
 318 dnl ---------------------------------------------------------------------------
 319 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 320 dnl --------------
 321 dnl Allow user to disable a normally-on option.
 322 AC_DEFUN([CF_ARG_DISABLE],
 323 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 324 dnl ---------------------------------------------------------------------------
 325 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 326 dnl -------------
 327 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 328 dnl values.
 329 dnl
 330 dnl Parameters:
 331 dnl $1 = option name
 332 dnl $2 = help-string
 333 dnl $3 = action to perform if option is not default
 334 dnl $4 = action if perform if option is default
 335 dnl $5 = default option value (either 'yes' or 'no')
 336 AC_DEFUN([CF_ARG_OPTION],
 337 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 338   if test "$enableval" != "$5" ; then
 339 ifelse([$3],,[    :]dnl
 340 ,[    $3]) ifelse([$4],,,[
 341   else
 342     $4])
 343   fi],[enableval=$5 ifelse([$4],,,[
 344   $4
 345 ])dnl
 346   ])])dnl
 347 dnl ---------------------------------------------------------------------------
 348 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 349 dnl -----------
 350 dnl Check for suitable "ar" (archiver) options for updating an archive.
 351 AC_DEFUN([CF_AR_FLAGS],[
 352 AC_REQUIRE([CF_PROG_AR])
 353
 354 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 355         cf_cv_ar_flags=unknown
 356         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 357         do
 358
 359                 # check if $ARFLAGS already contains this choice
 360                 if test "x$ARFLAGS" != "x" ; then
 361                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 362                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 363                                 cf_cv_ar_flags=
 364                                 break
 365                         fi
 366                 fi
 367
 368                 rm -f conftest.$ac_cv_objext
 369                 rm -f conftest.a
 370
 371                 cat >conftest.$ac_ext <<EOF
 372 #line __oline__ "configure"
 373 int     testdata[[3]] = { 123, 456, 789 };
 374 EOF
 375                 if AC_TRY_EVAL(ac_compile) ; then
 376                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 377                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 378                         if test -f conftest.a ; then
 379                                 cf_cv_ar_flags=$cf_ar_flags
 380                                 break
 381                         fi
 382                 else
 383                         CF_VERBOSE(cannot compile test-program)
 384                         break
 385                 fi
 386         done
 387         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 388 ])
 389
 390 if test -n "$ARFLAGS" ; then
 391         if test -n "$cf_cv_ar_flags" ; then
 392                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 393         fi
 394 else
 395         ARFLAGS=$cf_cv_ar_flags
 396 fi
 397
 398 AC_SUBST(ARFLAGS)
 399 ])
 400 dnl ---------------------------------------------------------------------------
 401 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 402 dnl -----------
 403 dnl If we're cross-compiling, allow the user to override the tools and their
 404 dnl options.  The configure script is oriented toward identifying the host
 405 dnl compiler, etc., but we need a build compiler to generate parts of the
 406 dnl source.
 407 dnl
 408 dnl $1 = default for $CPPFLAGS
 409 dnl $2 = default for $LIBS
 410 AC_DEFUN([CF_BUILD_CC],[
 411 CF_ACVERSION_CHECK(2.52,,
 412         [AC_REQUIRE([CF_PROG_EXT])])
 413 if test "$cross_compiling" = yes ; then
 414
 415         # defaults that we might want to override
 416         : ${BUILD_CFLAGS:=''}
 417         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 418         : ${BUILD_LDFLAGS:=''}
 419         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 420         : ${BUILD_EXEEXT:='$x'}
 421         : ${BUILD_OBJEXT:='o'}
 422
 423         AC_ARG_WITH(build-cc,
 424                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 425                 [BUILD_CC="$withval"],
 426                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 427         AC_MSG_CHECKING(for native build C compiler)
 428         AC_MSG_RESULT($BUILD_CC)
 429
 430         AC_MSG_CHECKING(for native build C preprocessor)
 431         AC_ARG_WITH(build-cpp,
 432                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 433                 [BUILD_CPP="$withval"],
 434                 [BUILD_CPP='${BUILD_CC} -E'])
 435         AC_MSG_RESULT($BUILD_CPP)
 436
 437         AC_MSG_CHECKING(for native build C flags)
 438         AC_ARG_WITH(build-cflags,
 439                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 440                 [BUILD_CFLAGS="$withval"])
 441         AC_MSG_RESULT($BUILD_CFLAGS)
 442
 443         AC_MSG_CHECKING(for native build C preprocessor-flags)
 444         AC_ARG_WITH(build-cppflags,
 445                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 446                 [BUILD_CPPFLAGS="$withval"])
 447         AC_MSG_RESULT($BUILD_CPPFLAGS)
 448
 449         AC_MSG_CHECKING(for native build linker-flags)
 450         AC_ARG_WITH(build-ldflags,
 451                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 452                 [BUILD_LDFLAGS="$withval"])
 453         AC_MSG_RESULT($BUILD_LDFLAGS)
 454
 455         AC_MSG_CHECKING(for native build linker-libraries)
 456         AC_ARG_WITH(build-libs,
 457                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 458                 [BUILD_LIBS="$withval"])
 459         AC_MSG_RESULT($BUILD_LIBS)
 460
 461         # this assumes we're on Unix.
 462         BUILD_EXEEXT=
 463         BUILD_OBJEXT=o
 464
 465         : ${BUILD_CC:='${CC}'}
 466
 467         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 468                 AC_MSG_ERROR([Cross-build requires two compilers.
 469 Use --with-build-cc to specify the native compiler.])
 470         fi
 471
 472 else
 473         : ${BUILD_CC:='${CC}'}
 474         : ${BUILD_CPP:='${CPP}'}
 475         : ${BUILD_CFLAGS:='${CFLAGS}'}
 476         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 477         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 478         : ${BUILD_LIBS:='${LIBS}'}
 479         : ${BUILD_EXEEXT:='$x'}
 480         : ${BUILD_OBJEXT:='o'}
 481 fi
 482
 483 AC_SUBST(BUILD_CC)
 484 AC_SUBST(BUILD_CPP)
 485 AC_SUBST(BUILD_CFLAGS)
 486 AC_SUBST(BUILD_CPPFLAGS)
 487 AC_SUBST(BUILD_LDFLAGS)
 488 AC_SUBST(BUILD_LIBS)
 489 AC_SUBST(BUILD_EXEEXT)
 490 AC_SUBST(BUILD_OBJEXT)
 491 ])dnl
 492 dnl ---------------------------------------------------------------------------
 493 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
 494 dnl ---------------
 495 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 496 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 497 dnl options, but eliminates a more common category of user confusion.
 498 AC_DEFUN([CF_CC_ENV_FLAGS],
 499 [
 500 # This should have been defined by AC_PROG_CC
 501 : ${CC:=cc}
 502
 503 AC_MSG_CHECKING(\$CC variable)
 504 case "$CC" in #(vi
 505 *[[\ \  ]]-[[IUD]]*)
 506         AC_MSG_RESULT(broken)
 507         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 508         # humor him...
 509         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 510         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 511         CF_ADD_CFLAGS($cf_flags)
 512         ;;
 513 *)
 514         AC_MSG_RESULT(ok)
 515         ;;
 516 esac
 517 ])dnl
 518 dnl ---------------------------------------------------------------------------
 519 dnl CF_CFG_DEFAULTS version: 9 updated: 2013/04/13 18:58:32
 520 dnl ---------------
 521 dnl Determine the default configuration into which we'll install ncurses.  This
 522 dnl can be overridden by the user's command-line options.  There's two items to
 523 dnl look for:
 524 dnl     1. the prefix (e.g., /usr)
 525 dnl     2. the header files (e.g., /usr/include/ncurses)
 526 dnl We'll look for a previous installation of ncurses and use the same defaults.
 527 dnl
 528 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 529 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 530 dnl programs from a vendor's.
 531 AC_DEFUN([CF_CFG_DEFAULTS],
 532 [
 533 AC_MSG_CHECKING(for prefix)
 534 if test "x$prefix" = "xNONE" ; then
 535         case "$cf_cv_system_name" in
 536                 # non-vendor systems don't have a conflict
 537         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu|mingw*)
 538                 prefix=/usr
 539                 ;;
 540         *)      prefix=$ac_default_prefix
 541                 ;;
 542         esac
 543 fi
 544 AC_MSG_RESULT($prefix)
 545
 546 if test "x$prefix" = "xNONE" ; then
 547 AC_MSG_CHECKING(for default include-directory)
 548 test -n "$verbose" && echo 1>&AC_FD_MSG
 549 for cf_symbol in \
 550         $includedir \
 551         $includedir/ncurses \
 552         $prefix/include \
 553         $prefix/include/ncurses \
 554         /usr/local/include \
 555         /usr/local/include/ncurses \
 556         /usr/include \
 557         /usr/include/ncurses
 558 do
 559         cf_dir=`eval echo $cf_symbol`
 560         if test -f $cf_dir/curses.h ; then
 561         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 562                 includedir="$cf_symbol"
 563                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 564                 break
 565         fi
 566         fi
 567         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 568 done
 569 AC_MSG_RESULT($includedir)
 570 fi
 571 ])dnl
 572 dnl ---------------------------------------------------------------------------
 573 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 574 dnl --------------
 575 dnl Check if we're accidentally using a cache from a different machine.
 576 dnl Derive the system name, as a check for reusing the autoconf cache.
 577 dnl
 578 dnl If we've packaged config.guess and config.sub, run that (since it does a
 579 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 580 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 581 dnl which is useful in cross-compiles.
 582 dnl
 583 dnl Note: we would use $ac_config_sub, but that is one of the places where
 584 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 585 AC_DEFUN([CF_CHECK_CACHE],
 586 [
 587 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 588         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 589         system_name="$host_os"
 590 else
 591         system_name="`(uname -s -r) 2>/dev/null`"
 592         if test -z "$system_name" ; then
 593                 system_name="`(hostname) 2>/dev/null`"
 594         fi
 595 fi
 596 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 597 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 598
 599 test -z "$system_name" && system_name="$cf_cv_system_name"
 600 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 601
 602 if test ".$system_name" != ".$cf_cv_system_name" ; then
 603         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 604         AC_MSG_ERROR("Please remove config.cache and try again.")
 605 fi
 606 ])dnl
 607 dnl ---------------------------------------------------------------------------
 608 dnl CF_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
 609 dnl -----------------
 610 dnl Check if the given compiler is really clang.  clang's C driver defines
 611 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 612 dnl not ignore some gcc options.
 613 dnl
 614 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 615 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 616 dnl the wrappers for gcc and g++ warnings.
 617 dnl
 618 dnl $1 = GCC (default) or GXX
 619 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
 620 dnl $3 = CFLAGS (default) or CXXFLAGS
 621 AC_DEFUN([CF_CLANG_COMPILER],[
 622 ifelse([$2],,CLANG_COMPILER,[$2])=no
 623
 624 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 625         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 626         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 627         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 628         AC_TRY_COMPILE([],[
 629 #ifdef __clang__
 630 #else
 631 make an error
 632 #endif
 633 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 634 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 635 ],[])
 636         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 637         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 638 fi
 639 ])
 640 dnl ---------------------------------------------------------------------------
 641 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
 642 dnl ----------------
 643 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 644 dnl variations of ncurses' installs.
 645 dnl
 646 dnl $1 = ncurses when looking for ncurses, or is empty
 647 AC_DEFUN([CF_CURSES_HEADER],[
 648 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 649 cf_cv_ncurses_header=none
 650 for cf_header in ifelse($1,,,[ \
 651     $1/ncurses.h \
 652         $1/curses.h]) \
 653         ncurses.h \
 654         curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 655 do
 656 AC_TRY_COMPILE([#include <${cf_header}>],
 657         [initscr(); tgoto("?", 0,0)],
 658         [cf_cv_ncurses_header=$cf_header; break],[])
 659 done
 660 ])
 661
 662 if test "$cf_cv_ncurses_header" = none ; then
 663         AC_MSG_ERROR(No curses header-files found)
 664 fi
 665
 666 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 667 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 668 ])dnl
 669 dnl ---------------------------------------------------------------------------
 670 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
 671 dnl ----------
 672 dnl "dirname" is not portable, so we fake it with a shell script.
 673 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 674 dnl ---------------------------------------------------------------------------
 675 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
 676 dnl ---------------
 677 dnl You can always use "make -n" to see the actual options, but it's hard to
 678 dnl pick out/analyze warning messages when the compile-line is long.
 679 dnl
 680 dnl Sets:
 681 dnl     ECHO_LT - symbol to control if libtool is verbose
 682 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 683 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 684 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 685 dnl     ECHO_CC - symbol to put before any "cc" line
 686 dnl
 687 AC_DEFUN([CF_DISABLE_ECHO],[
 688 AC_MSG_CHECKING(if you want to see long compiling messages)
 689 CF_ARG_DISABLE(echo,
 690         [  --disable-echo          do not display "compiling" commands],
 691         [
 692     ECHO_LT='--silent'
 693     ECHO_LD='@echo linking [$]@;'
 694     RULE_CC='@echo compiling [$]<'
 695     SHOW_CC='@echo compiling [$]@'
 696     ECHO_CC='@'
 697 ],[
 698     ECHO_LT=''
 699     ECHO_LD=''
 700     RULE_CC=''
 701     SHOW_CC=''
 702     ECHO_CC=''
 703 ])
 704 AC_MSG_RESULT($enableval)
 705 AC_SUBST(ECHO_LT)
 706 AC_SUBST(ECHO_LD)
 707 AC_SUBST(RULE_CC)
 708 AC_SUBST(SHOW_CC)
 709 AC_SUBST(ECHO_CC)
 710 ])dnl
 711 dnl ---------------------------------------------------------------------------
 712 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
 713 dnl ------------------
 714 dnl This is the "--enable-pc-files" option, which is available if there is a
 715 dnl pkg-config configuration on the local machine.
 716 AC_DEFUN([CF_ENABLE_PC_FILES],[
 717 AC_REQUIRE([CF_PKG_CONFIG])
 718 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
 719
 720 if test "$PKG_CONFIG" != none ; then
 721         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
 722         AC_ARG_ENABLE(pc-files,
 723                 [  --enable-pc-files       generate and install .pc files for pkg-config],
 724                 [enable_pc_files=$enableval],
 725                 [enable_pc_files=no])
 726         AC_MSG_RESULT($enable_pc_files)
 727         if test "$enable_pc_files" != no
 728         then
 729                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
 730         fi
 731 else
 732         enable_pc_files=no
 733 fi
 734 ])dnl
 735 dnl ---------------------------------------------------------------------------
 736 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 737 dnl ---------------
 738 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 739 dnl prefer a standard location, and use -L options only if we do not find the
 740 dnl library in the standard library location(s).
 741 dnl     $1 = library name
 742 dnl     $2 = library class, usually the same as library name
 743 dnl     $3 = includes
 744 dnl     $4 = code fragment to compile/link
 745 dnl     $5 = corresponding function-name
 746 dnl     $6 = flag, nonnull if failure should not cause an error-exit
 747 dnl
 748 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 749 dnl to use a -L option.
 750 AC_DEFUN([CF_FIND_LIBRARY],
 751 [
 752         eval 'cf_cv_have_lib_'$1'=no'
 753         cf_libdir=""
 754         AC_CHECK_FUNC($5,
 755                 eval 'cf_cv_have_lib_'$1'=yes',[
 756                 cf_save_LIBS="$LIBS"
 757                 AC_MSG_CHECKING(for $5 in -l$1)
 758                 LIBS="-l$1 $LIBS"
 759                 AC_TRY_LINK([$3],[$4],
 760                         [AC_MSG_RESULT(yes)
 761                          eval 'cf_cv_have_lib_'$1'=yes'
 762                         ],
 763                         [AC_MSG_RESULT(no)
 764                         CF_LIBRARY_PATH(cf_search,$2)
 765                         for cf_libdir in $cf_search
 766                         do
 767                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
 768                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 769                                 AC_TRY_LINK([$3],[$4],
 770                                         [AC_MSG_RESULT(yes)
 771                                          eval 'cf_cv_have_lib_'$1'=yes'
 772                                          break],
 773                                         [AC_MSG_RESULT(no)
 774                                          LIBS="$cf_save_LIBS"])
 775                         done
 776                         ])
 777                 ])
 778 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 779 ifelse($6,,[
 780 if test $cf_found_library = no ; then
 781         AC_MSG_ERROR(Cannot link $1 library)
 782 fi
 783 ])
 784 ])dnl
 785 dnl ---------------------------------------------------------------------------
 786 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
 787 dnl ---------------
 788 dnl Find a library (specifically the linkage used in the code fragment),
 789 dnl searching for it if it is not already in the library path.
 790 dnl See also CF_ADD_SEARCHPATH.
 791 dnl
 792 dnl Parameters (4-on are optional):
 793 dnl     $1 = headers for library entrypoint
 794 dnl     $2 = code fragment for library entrypoint
 795 dnl     $3 = the library name without the "-l" option or ".so" suffix.
 796 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
 797 dnl     $5 = action to perform if not successful
 798 dnl     $6 = module name, if not the same as the library name
 799 dnl     $7 = extra libraries
 800 dnl
 801 dnl Sets these variables:
 802 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
 803 dnl     $cf_cv_header_path_$3 - include-directory if needed
 804 dnl     $cf_cv_library_path_$3 - library-directory if needed
 805 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
 806 AC_DEFUN([CF_FIND_LINKAGE],[
 807
 808 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 809 # will be set on completion of the AC_TRY_LINK below.
 810 cf_cv_header_path_$3=
 811 cf_cv_library_path_$3=
 812
 813 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 814
 815 cf_save_LIBS="$LIBS"
 816
 817 AC_TRY_LINK([$1],[$2],[
 818         cf_cv_find_linkage_$3=yes
 819         cf_cv_header_path_$3=/usr/include
 820         cf_cv_library_path_$3=/usr/lib
 821 ],[
 822
 823 LIBS="-l$3 $7 $cf_save_LIBS"
 824
 825 AC_TRY_LINK([$1],[$2],[
 826         cf_cv_find_linkage_$3=yes
 827         cf_cv_header_path_$3=/usr/include
 828         cf_cv_library_path_$3=/usr/lib
 829         cf_cv_library_file_$3="-l$3"
 830 ],[
 831         cf_cv_find_linkage_$3=no
 832         LIBS="$cf_save_LIBS"
 833
 834     CF_VERBOSE(find linkage for $3 library)
 835     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
 836
 837     cf_save_CPPFLAGS="$CPPFLAGS"
 838     cf_test_CPPFLAGS="$CPPFLAGS"
 839
 840     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 841     for cf_cv_header_path_$3 in $cf_search
 842     do
 843       if test -d $cf_cv_header_path_$3 ; then
 844         CF_VERBOSE(... testing $cf_cv_header_path_$3)
 845         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
 846         AC_TRY_COMPILE([$1],[$2],[
 847             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
 848             cf_cv_find_linkage_$3=maybe
 849             cf_test_CPPFLAGS="$CPPFLAGS"
 850             break],[
 851             CPPFLAGS="$cf_save_CPPFLAGS"
 852             ])
 853       fi
 854     done
 855
 856     if test "$cf_cv_find_linkage_$3" = maybe ; then
 857
 858       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
 859
 860       cf_save_LIBS="$LIBS"
 861       cf_save_LDFLAGS="$LDFLAGS"
 862
 863       ifelse([$6],,,[
 864         CPPFLAGS="$cf_test_CPPFLAGS"
 865         LIBS="-l$3 $7 $cf_save_LIBS"
 866         AC_TRY_LINK([$1],[$2],[
 867             CF_VERBOSE(... found $3 library in system)
 868             cf_cv_find_linkage_$3=yes])
 869             CPPFLAGS="$cf_save_CPPFLAGS"
 870             LIBS="$cf_save_LIBS"
 871             ])
 872
 873       if test "$cf_cv_find_linkage_$3" != yes ; then
 874         CF_LIBRARY_PATH(cf_search,$3)
 875         for cf_cv_library_path_$3 in $cf_search
 876         do
 877           if test -d $cf_cv_library_path_$3 ; then
 878             CF_VERBOSE(... testing $cf_cv_library_path_$3)
 879             CPPFLAGS="$cf_test_CPPFLAGS"
 880             LIBS="-l$3 $7 $cf_save_LIBS"
 881             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
 882             AC_TRY_LINK([$1],[$2],[
 883                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
 884                 cf_cv_find_linkage_$3=yes
 885                 cf_cv_library_file_$3="-l$3"
 886                 break],[
 887                 CPPFLAGS="$cf_save_CPPFLAGS"
 888                 LIBS="$cf_save_LIBS"
 889                 LDFLAGS="$cf_save_LDFLAGS"
 890                 ])
 891           fi
 892         done
 893         CPPFLAGS="$cf_save_CPPFLAGS"
 894         LDFLAGS="$cf_save_LDFLAGS"
 895       fi
 896
 897     else
 898       cf_cv_find_linkage_$3=no
 899     fi
 900     ],$7)
 901 ])
 902
 903 LIBS="$cf_save_LIBS"
 904
 905 if test "$cf_cv_find_linkage_$3" = yes ; then
 906 ifelse([$4],,[
 907         CF_ADD_INCDIR($cf_cv_header_path_$3)
 908         CF_ADD_LIBDIR($cf_cv_library_path_$3)
 909         CF_ADD_LIB($3)
 910 ],[$4])
 911 else
 912 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 913 fi
 914 ])dnl
 915 dnl ---------------------------------------------------------------------------
 916 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
 917 dnl -----------------
 918 dnl make ADAFLAGS consistent with CFLAGS
 919 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
 920         AC_MSG_CHECKING(optimization options for ADAFLAGS)
 921         case "$CFLAGS" in
 922         *-g*)
 923                 CF_ADD_ADAFLAGS(-g)
 924                 ;;
 925         esac
 926         case "$CFLAGS" in
 927         *-O*)
 928                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
 929                 CF_ADD_ADAFLAGS($cf_O_flag)
 930                 ;;
 931         esac
 932         AC_MSG_RESULT($ADAFLAGS)
 933 ])dnl
 934 dnl ---------------------------------------------------------------------------
 935 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
 936 dnl -----------------
 937 dnl Test for availability of useful gcc __attribute__ directives to quiet
 938 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 939 dnl to documentation, unrecognized directives cause older compilers to barf.
 940 AC_DEFUN([CF_GCC_ATTRIBUTES],
 941 [
 942 if test "$GCC" = yes
 943 then
 944 cat > conftest.i <<EOF
 945 #ifndef GCC_PRINTF
 946 #define GCC_PRINTF 0
 947 #endif
 948 #ifndef GCC_SCANF
 949 #define GCC_SCANF 0
 950 #endif
 951 #ifndef GCC_NORETURN
 952 #define GCC_NORETURN /* nothing */
 953 #endif
 954 #ifndef GCC_UNUSED
 955 #define GCC_UNUSED /* nothing */
 956 #endif
 957 EOF
 958 if test "$GCC" = yes
 959 then
 960         AC_CHECKING([for $CC __attribute__ directives])
 961 cat > conftest.$ac_ext <<EOF
 962 #line __oline__ "${as_me:-configure}"
 963 #include "confdefs.h"
 964 #include "conftest.h"
 965 #include "conftest.i"
 966 #if     GCC_PRINTF
 967 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
 968 #else
 969 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
 970 #endif
 971 #if     GCC_SCANF
 972 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
 973 #else
 974 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
 975 #endif
 976 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
 977 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 978 extern void foo(void) GCC_NORETURN;
 979 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
 980 EOF
 981         cf_printf_attribute=no
 982         cf_scanf_attribute=no
 983         for cf_attribute in scanf printf unused noreturn
 984         do
 985                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
 986                 cf_directive="__attribute__(($cf_attribute))"
 987                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
 988
 989                 case $cf_attribute in #(vi
 990                 printf) #(vi
 991                         cf_printf_attribute=yes
 992                         cat >conftest.h <<EOF
 993 #define GCC_$cf_ATTRIBUTE 1
 994 EOF
 995                         ;;
 996                 scanf) #(vi
 997                         cf_scanf_attribute=yes
 998                         cat >conftest.h <<EOF
 999 #define GCC_$cf_ATTRIBUTE 1
1000 EOF
1001                         ;;
1002                 *) #(vi
1003                         cat >conftest.h <<EOF
1004 #define GCC_$cf_ATTRIBUTE $cf_directive
1005 EOF
1006                         ;;
1007                 esac
1008
1009                 if AC_TRY_EVAL(ac_compile); then
1010                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1011                         cat conftest.h >>confdefs.h
1012                         case $cf_attribute in #(vi
1013                         noreturn) #(vi
1014                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1015                                 ;;
1016                         printf) #(vi
1017                                 cf_value='/* nothing */'
1018                                 if test "$cf_printf_attribute" != no ; then
1019                                         cf_value='__attribute__((format(printf,fmt,var)))'
1020                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1021                                 fi
1022                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1023                                 ;;
1024                         scanf) #(vi
1025                                 cf_value='/* nothing */'
1026                                 if test "$cf_scanf_attribute" != no ; then
1027                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1028                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1029                                 fi
1030                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1031                                 ;;
1032                         unused) #(vi
1033                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1034                                 ;;
1035                         esac
1036                 fi
1037         done
1038 else
1039         fgrep define conftest.i >>confdefs.h
1040 fi
1041 rm -rf conftest*
1042 fi
1043 ])dnl
1044 dnl ---------------------------------------------------------------------------
1045 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1046 dnl --------------
1047 dnl Find version of gcc
1048 AC_DEFUN([CF_GCC_VERSION],[
1049 AC_REQUIRE([AC_PROG_CC])
1050 GCC_VERSION=none
1051 if test "$GCC" = yes ; then
1052         AC_MSG_CHECKING(version of $CC)
1053         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1054         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1055         AC_MSG_RESULT($GCC_VERSION)
1056 fi
1057 ])dnl
1058 dnl ---------------------------------------------------------------------------
1059 dnl CF_GCC_WARNINGS version: 29 updated: 2012/06/16 14:55:39
1060 dnl ---------------
1061 dnl Check if the compiler supports useful warning options.  There's a few that
1062 dnl we don't use, simply because they're too noisy:
1063 dnl
1064 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1065 dnl     -Wredundant-decls (system headers make this too noisy)
1066 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1067 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1068 dnl             is enabled for ncurses using "--enable-const".
1069 dnl     -pedantic
1070 dnl
1071 dnl Parameter:
1072 dnl     $1 is an optional list of gcc warning flags that a particular
1073 dnl             application might want to use, e.g., "no-unused" for
1074 dnl             -Wno-unused
1075 dnl Special:
1076 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1077 dnl
1078 AC_DEFUN([CF_GCC_WARNINGS],
1079 [
1080 AC_REQUIRE([CF_GCC_VERSION])
1081 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1082 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1083
1084 cat > conftest.$ac_ext <<EOF
1085 #line __oline__ "${as_me:-configure}"
1086 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1087 EOF
1088
1089 if test "$INTEL_COMPILER" = yes
1090 then
1091 # The "-wdXXX" options suppress warnings:
1092 # remark #1419: external declaration in primary source file
1093 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1094 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1095 # remark #193: zero used for undefined preprocessing identifier
1096 # remark #593: variable "curs_sb_left_arrow" was set but never used
1097 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1098 # remark #869: parameter "tw" was never referenced
1099 # remark #981: operands are evaluated in unspecified order
1100 # warning #279: controlling expression is constant
1101
1102         AC_CHECKING([for $CC warning options])
1103         cf_save_CFLAGS="$CFLAGS"
1104         EXTRA_CFLAGS="-Wall"
1105         for cf_opt in \
1106                 wd1419 \
1107                 wd1683 \
1108                 wd1684 \
1109                 wd193 \
1110                 wd593 \
1111                 wd279 \
1112                 wd810 \
1113                 wd869 \
1114                 wd981
1115         do
1116                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1117                 if AC_TRY_EVAL(ac_compile); then
1118                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1119                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1120                 fi
1121         done
1122         CFLAGS="$cf_save_CFLAGS"
1123
1124 elif test "$GCC" = yes
1125 then
1126         AC_CHECKING([for $CC warning options])
1127         cf_save_CFLAGS="$CFLAGS"
1128         EXTRA_CFLAGS=
1129         cf_warn_CONST=""
1130         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1131         for cf_opt in W Wall \
1132                 Wbad-function-cast \
1133                 Wcast-align \
1134                 Wcast-qual \
1135                 Winline \
1136                 Wmissing-declarations \
1137                 Wmissing-prototypes \
1138                 Wnested-externs \
1139                 Wpointer-arith \
1140                 Wshadow \
1141                 Wstrict-prototypes \
1142                 Wundef $cf_warn_CONST $1
1143         do
1144                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1145                 if AC_TRY_EVAL(ac_compile); then
1146                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1147                         case $cf_opt in #(vi
1148                         Wcast-qual) #(vi
1149                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1150                                 ;;
1151                         Winline) #(vi
1152                                 case $GCC_VERSION in
1153                                 [[34]].*)
1154                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1155                                         continue;;
1156                                 esac
1157                                 ;;
1158                         Wpointer-arith) #(vi
1159                                 case $GCC_VERSION in
1160                                 [[12]].*)
1161                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1162                                         continue;;
1163                                 esac
1164                                 ;;
1165                         esac
1166                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1167                 fi
1168         done
1169         CFLAGS="$cf_save_CFLAGS"
1170 fi
1171 rm -rf conftest*
1172
1173 AC_SUBST(EXTRA_CFLAGS)
1174 ])dnl
1175 dnl ---------------------------------------------------------------------------
1176 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1177 dnl ----------------
1178 AC_DEFUN([CF_GNAT_GENERICS],
1179 [
1180 AC_REQUIRE([CF_GNAT_VERSION])
1181
1182 AC_MSG_CHECKING(if GNAT supports generics)
1183 case $cf_gnat_version in #(vi
1184 3.[[1-9]]*|[[4-9]].*) #(vi
1185         cf_gnat_generics=yes
1186         ;;
1187 *)
1188         cf_gnat_generics=no
1189         ;;
1190 esac
1191 AC_MSG_RESULT($cf_gnat_generics)
1192
1193 if test "$cf_gnat_generics" = yes
1194 then
1195         cf_compile_generics=generics
1196         cf_generic_objects="\${GENOBJS}"
1197 else
1198         cf_compile_generics=
1199         cf_generic_objects=
1200 fi
1201
1202 AC_SUBST(cf_compile_generics)
1203 AC_SUBST(cf_generic_objects)
1204 ])dnl
1205 dnl ---------------------------------------------------------------------------
1206 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1207 dnl --------------------
1208 dnl Check if the gnat pragma "Unreferenced" works.
1209 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1210 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1211 CF_GNAT_TRY_LINK([procedure conftest;],
1212 [with Text_IO;
1213 with GNAT.OS_Lib;
1214 procedure conftest is
1215    test : Integer;
1216    pragma Unreferenced (test);
1217 begin
1218    test := 1;
1219    Text_IO.Put ("Hello World");
1220    Text_IO.New_Line;
1221    GNAT.OS_Lib.OS_Exit (0);
1222 end conftest;],
1223         [cf_cv_pragma_unreferenced=yes],
1224         [cf_cv_pragma_unreferenced=no])])
1225
1226 # if the pragma is supported, use it (needed in the Trace code).
1227 if test $cf_cv_pragma_unreferenced = yes ; then
1228         PRAGMA_UNREF=TRUE
1229 else
1230         PRAGMA_UNREF=FALSE
1231 fi
1232 AC_SUBST(PRAGMA_UNREF)
1233 ])dnl
1234 dnl ---------------------------------------------------------------------------
1235 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
1236 dnl ----------------
1237 dnl GNAT projects are configured with ".gpr" project files.
1238 dnl GNAT libraries are a further development, using the project feature.
1239 AC_DEFUN([CF_GNAT_PROJECTS],
1240 [
1241 AC_REQUIRE([CF_GNAT_VERSION])
1242
1243 cf_gnat_libraries=no
1244 cf_gnat_projects=no
1245
1246 AC_MSG_CHECKING(if GNAT supports project files)
1247 case $cf_gnat_version in #(vi
1248 3.[[0-9]]*) #(vi
1249         ;;
1250 *)
1251         case $cf_cv_system_name in #(vi
1252         cygwin*) #(vi
1253                 ;;
1254         *)
1255                 mkdir conftest.src conftest.bin conftest.lib
1256                 cd conftest.src
1257                 rm -rf conftest* *~conftest*
1258                 cat >>library.gpr <<CF_EOF
1259 project Library is
1260   Kind := External ("LIB_KIND");
1261   for Library_Name use "ConfTest";
1262   for Object_Dir use ".";
1263   for Library_ALI_Dir use External("LIBRARY_DIR");
1264   for Library_Version use External ("SONAME");
1265   for Library_Kind use Kind;
1266   for Library_Dir use External("BUILD_DIR");
1267   Source_Dir := External ("SOURCE_DIR");
1268   for Source_Dirs use (Source_Dir);
1269   package Compiler is
1270      for Default_Switches ("Ada") use
1271        ("-g",
1272         "-O2",
1273         "-gnatafno",
1274         "-gnatVa",   -- All validity checks
1275         "-gnatwa");  -- Activate all optional errors
1276   end Compiler;
1277 end Library;
1278 CF_EOF
1279                 cat >>confpackage.ads <<CF_EOF
1280 package ConfPackage is
1281    procedure conftest;
1282 end ConfPackage;
1283 CF_EOF
1284                 cat >>confpackage.adb <<CF_EOF
1285 with Text_IO;
1286 package body ConfPackage is
1287    procedure conftest is
1288    begin
1289       Text_IO.Put ("Hello World");
1290       Text_IO.New_Line;
1291    end conftest;
1292 end ConfPackage;
1293 CF_EOF
1294                 if ( $cf_ada_make $ADAFLAGS \
1295                                 -Plibrary.gpr \
1296                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1297                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1298                                 -XSOURCE_DIR=`pwd` \
1299                                 -XSONAME=libConfTest.so.1 \
1300                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1301                         cf_gnat_projects=yes
1302                 fi
1303                 cd ..
1304                 if test -f conftest.lib/confpackage.ali
1305                 then
1306                         cf_gnat_libraries=yes
1307                 fi
1308                 rm -rf conftest* *~conftest*
1309                 ;;
1310         esac
1311         ;;
1312 esac
1313 AC_MSG_RESULT($cf_gnat_projects)
1314
1315 if test $cf_gnat_projects = yes
1316 then
1317         AC_MSG_CHECKING(if GNAT supports libraries)
1318         AC_MSG_RESULT($cf_gnat_libraries)
1319 fi
1320
1321 if test "$cf_gnat_projects" = yes
1322 then
1323         USE_OLD_MAKERULES="#"
1324         USE_GNAT_PROJECTS=""
1325 else
1326         USE_OLD_MAKERULES=""
1327         USE_GNAT_PROJECTS="#"
1328 fi
1329
1330 if test "$cf_gnat_libraries" = yes
1331 then
1332         USE_GNAT_LIBRARIES=""
1333 else
1334         USE_GNAT_LIBRARIES="#"
1335 fi
1336
1337 AC_SUBST(USE_OLD_MAKERULES)
1338 AC_SUBST(USE_GNAT_PROJECTS)
1339 AC_SUBST(USE_GNAT_LIBRARIES)
1340 ])dnl
1341 dnl ---------------------------------------------------------------------------
1342 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1343 dnl --------------
1344 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1345 dnl is noted that gnat may compile a tasking unit even for configurations which
1346 dnl fail at runtime.
1347 AC_DEFUN([CF_GNAT_SIGINT],[
1348 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1349 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1350
1351 package ConfTest is
1352
1353    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1354    pragma Unreserve_All_Interrupts;
1355    pragma Warnings (On);
1356
1357    protected Process is
1358       procedure Stop;
1359       function Continue return Boolean;
1360       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1361    private
1362       Done : Boolean := False;
1363    end Process;
1364
1365 end ConfTest;],
1366 [package body ConfTest is
1367    protected body Process is
1368       procedure Stop is
1369       begin
1370          Done := True;
1371       end Stop;
1372       function Continue return Boolean is
1373       begin
1374          return not Done;
1375       end Continue;
1376    end Process;
1377 end ConfTest;],
1378         [cf_cv_gnat_sigint=yes],
1379         [cf_cv_gnat_sigint=no])])
1380
1381 if test $cf_cv_gnat_sigint = yes ; then
1382         USE_GNAT_SIGINT=""
1383 else
1384         USE_GNAT_SIGINT="#"
1385 fi
1386 AC_SUBST(USE_GNAT_SIGINT)
1387 ])dnl
1388 dnl ---------------------------------------------------------------------------
1389 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1390 dnl ----------------
1391 dnl Verify that a test program compiles/links with GNAT.
1392 dnl $cf_ada_make is set to the program that compiles/links
1393 dnl $ADAFLAGS may be set to the GNAT flags.
1394 dnl
1395 dnl $1 is the text of the spec
1396 dnl $2 is the text of the body
1397 dnl $3 is the shell command to execute if successful
1398 dnl $4 is the shell command to execute if not successful
1399 AC_DEFUN([CF_GNAT_TRY_LINK],
1400 [
1401 rm -rf conftest* *~conftest*
1402 cat >>conftest.ads <<CF_EOF
1403 $1
1404 CF_EOF
1405 cat >>conftest.adb <<CF_EOF
1406 $2
1407 CF_EOF
1408 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1409 ifelse($3,,      :,[      $3])
1410 ifelse($4,,,[else
1411    $4])
1412 fi
1413 rm -rf conftest* *~conftest*
1414 ])dnl
1415 dnl ---------------------------------------------------------------------------
1416 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1417 dnl ---------------
1418 dnl Verify that a test program compiles and runs with GNAT
1419 dnl $cf_ada_make is set to the program that compiles/links
1420 dnl $ADAFLAGS may be set to the GNAT flags.
1421 dnl
1422 dnl $1 is the text of the spec
1423 dnl $2 is the text of the body
1424 dnl $3 is the shell command to execute if successful
1425 dnl $4 is the shell command to execute if not successful
1426 AC_DEFUN([CF_GNAT_TRY_RUN],
1427 [
1428 rm -rf conftest* *~conftest*
1429 cat >>conftest.ads <<CF_EOF
1430 $1
1431 CF_EOF
1432 cat >>conftest.adb <<CF_EOF
1433 $2
1434 CF_EOF
1435 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1436    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1437 ifelse($3,,      :,[      $3])
1438 ifelse($4,,,[   else
1439       $4])
1440    fi
1441 ifelse($4,,,[else
1442    $4])
1443 fi
1444 rm -rf conftest* *~conftest*
1445 ])dnl
1446 dnl ---------------------------------------------------------------------------
1447 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1448 dnl ---------------
1449 dnl Verify version of GNAT.
1450 AC_DEFUN([CF_GNAT_VERSION],
1451 [
1452 AC_MSG_CHECKING(for gnat version)
1453 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1454         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1455     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1456 AC_MSG_RESULT($cf_gnat_version)
1457
1458 case $cf_gnat_version in #(vi
1459 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1460         cf_cv_prog_gnat_correct=yes
1461         ;;
1462 *)
1463         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1464         cf_cv_prog_gnat_correct=no
1465         ;;
1466 esac
1467 ])
1468 dnl ---------------------------------------------------------------------------
1469 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1470 dnl -------------
1471 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1472 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1473 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1474 dnl since it is interwoven with GNU extensions.
1475 dnl
1476 dnl Well, yes we could work around it...
1477 AC_DEFUN([CF_GNU_SOURCE],
1478 [
1479 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1480 AC_TRY_COMPILE([#include <sys/types.h>],[
1481 #ifndef _XOPEN_SOURCE
1482 make an error
1483 #endif],
1484         [cf_cv_gnu_source=no],
1485         [cf_save="$CPPFLAGS"
1486          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1487          AC_TRY_COMPILE([#include <sys/types.h>],[
1488 #ifdef _XOPEN_SOURCE
1489 make an error
1490 #endif],
1491         [cf_cv_gnu_source=no],
1492         [cf_cv_gnu_source=yes])
1493         CPPFLAGS="$cf_save"
1494         ])
1495 ])
1496 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497 ])dnl
1498 dnl ---------------------------------------------------------------------------
1499 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1500 dnl --------------
1501 dnl Construct a search-list of directories for a nonstandard header-file
1502 dnl
1503 dnl Parameters
1504 dnl     $1 = the variable to return as result
1505 dnl     $2 = the package name
1506 AC_DEFUN([CF_HEADER_PATH],
1507 [
1508 $1=
1509
1510 # collect the current set of include-directories from compiler flags
1511 cf_header_path_list=""
1512 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1513         for cf_header_path in $CPPFLAGS $CFLAGS
1514         do
1515                 case $cf_header_path in #(vi
1516                 -I*)
1517                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1518                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1519                         cf_header_path_list="$cf_header_path_list [$]$1"
1520                         ;;
1521                 esac
1522         done
1523 fi
1524
1525 # add the variations for the package we are looking for
1526 CF_SUBDIR_PATH($1,$2,include)
1527
1528 test "$includedir" != NONE && \
1529 test "$includedir" != "/usr/include" && \
1530 test -d "$includedir" && {
1531         test -d $includedir &&    $1="[$]$1 $includedir"
1532         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1533 }
1534
1535 test "$oldincludedir" != NONE && \
1536 test "$oldincludedir" != "/usr/include" && \
1537 test -d "$oldincludedir" && {
1538         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1539         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1540 }
1541
1542 $1="[$]$1 $cf_header_path_list"
1543 ])dnl
1544 dnl ---------------------------------------------------------------------------
1545 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1546 dnl ---------------
1547 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1548 AC_DEFUN([CF_HELP_MESSAGE],
1549 [AC_DIVERT_HELP([$1])dnl
1550 ])dnl
1551 dnl ---------------------------------------------------------------------------
1552 dnl CF_INCLUDE_DIRS version: 7 updated: 2012/11/10 19:15:05
1553 dnl ---------------
1554 dnl Construct the list of include-options according to whether we're building
1555 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
1556 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1557 dnl since that usually breaks gcc's shadow-includes.
1558 AC_DEFUN([CF_INCLUDE_DIRS],
1559 [
1560 if test "$GCC" != yes; then
1561         CPPFLAGS="-I\${includedir} $CPPFLAGS"
1562 elif test "$includedir" != "/usr/include"; then
1563         if test "$includedir" = '${prefix}/include' ; then
1564                 if test $prefix != /usr ; then
1565                         CPPFLAGS="-I\${includedir} $CPPFLAGS"
1566                 fi
1567         else
1568                 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1569         fi
1570 fi
1571 if test "$srcdir" != "."; then
1572         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1573 fi
1574 CPPFLAGS="-I. -I../include $CPPFLAGS"
1575 AC_SUBST(CPPFLAGS)
1576 ])dnl
1577 dnl ---------------------------------------------------------------------------
1578 dnl CF_INTEL_COMPILER version: 5 updated: 2013/02/10 10:41:05
1579 dnl -----------------
1580 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1581 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1582 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1583 dnl
1584 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1585 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1586 dnl the wrappers for gcc and g++ warnings.
1587 dnl
1588 dnl $1 = GCC (default) or GXX
1589 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1590 dnl $3 = CFLAGS (default) or CXXFLAGS
1591 AC_DEFUN([CF_INTEL_COMPILER],[
1592 AC_REQUIRE([AC_CANONICAL_HOST])
1593 ifelse([$2],,INTEL_COMPILER,[$2])=no
1594
1595 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1596         case $host_os in
1597         linux*|gnu*)
1598                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1599                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1600                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1601                 AC_TRY_COMPILE([],[
1602 #ifdef __INTEL_COMPILER
1603 #else
1604 make an error
1605 #endif
1606 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1607 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1608 ],[])
1609                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1610                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1611                 ;;
1612         esac
1613 fi
1614 ])dnl
1615 dnl ---------------------------------------------------------------------------
1616 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1617 dnl ------------
1618 dnl Add checks for large file support.
1619 AC_DEFUN([CF_LARGEFILE],[
1620 ifdef([AC_FUNC_FSEEKO],[
1621     AC_SYS_LARGEFILE
1622     if test "$enable_largefile" != no ; then
1623         AC_FUNC_FSEEKO
1624
1625         # Normally we would collect these definitions in the config.h,
1626         # but (like _XOPEN_SOURCE), some environments rely on having these
1627         # defined before any of the system headers are included.  Another
1628         # case comes up with C++, e.g., on AIX the compiler compiles the
1629         # header files by themselves before looking at the body files it is
1630         # told to compile.  For ncurses, those header files do not include
1631         # the config.h
1632         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1633         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1634         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1635
1636         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1637                 AC_TRY_COMPILE([
1638 #include <sys/types.h>
1639 #include <dirent.h>
1640                 ],[
1641                 /* if transitional largefile support is setup, this is true */
1642                 extern struct dirent64 * readdir(DIR *);
1643                 struct dirent64 *x = readdir((DIR *)0);
1644                 struct dirent *y = readdir((DIR *)0);
1645                 int z = x - y;
1646                 ],
1647                 [cf_cv_struct_dirent64=yes],
1648                 [cf_cv_struct_dirent64=no])
1649         ])
1650         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1651     fi
1652 ])
1653 ])
1654 dnl ---------------------------------------------------------------------------
1655 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1656 dnl ---------------
1657 dnl For the given system and compiler, find the compiler flags to pass to the
1658 dnl loader to use the "rpath" feature.
1659 AC_DEFUN([CF_LD_RPATH_OPT],
1660 [
1661 AC_REQUIRE([CF_CHECK_CACHE])
1662
1663 LD_RPATH_OPT=
1664 AC_MSG_CHECKING(for an rpath option)
1665 case $cf_cv_system_name in #(vi
1666 irix*) #(vi
1667         if test "$GCC" = yes; then
1668                 LD_RPATH_OPT="-Wl,-rpath,"
1669         else
1670                 LD_RPATH_OPT="-rpath "
1671         fi
1672         ;;
1673 linux*|gnu*|k*bsd*-gnu) #(vi
1674         LD_RPATH_OPT="-Wl,-rpath,"
1675         ;;
1676 openbsd[[2-9]].*|mirbsd*) #(vi
1677         LD_RPATH_OPT="-Wl,-rpath,"
1678         ;;
1679 dragonfly*|freebsd*) #(vi
1680         LD_RPATH_OPT="-rpath "
1681         ;;
1682 netbsd*) #(vi
1683         LD_RPATH_OPT="-Wl,-rpath,"
1684         ;;
1685 osf*|mls+*) #(vi
1686         LD_RPATH_OPT="-rpath "
1687         ;;
1688 solaris2*) #(vi
1689         LD_RPATH_OPT="-R"
1690         ;;
1691 *)
1692         ;;
1693 esac
1694 AC_MSG_RESULT($LD_RPATH_OPT)
1695
1696 case "x$LD_RPATH_OPT" in #(vi
1697 x-R*)
1698         AC_MSG_CHECKING(if we need a space after rpath option)
1699         cf_save_LIBS="$LIBS"
1700         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1701         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1702         LIBS="$cf_save_LIBS"
1703         AC_MSG_RESULT($cf_rpath_space)
1704         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1705         ;;
1706 esac
1707 ])dnl
1708 dnl ---------------------------------------------------------------------------
1709 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1710 dnl ---------------
1711 dnl Construct a search-list of directories for a nonstandard library-file
1712 dnl
1713 dnl Parameters
1714 dnl     $1 = the variable to return as result
1715 dnl     $2 = the package name
1716 AC_DEFUN([CF_LIBRARY_PATH],
1717 [
1718 $1=
1719 cf_library_path_list=""
1720 if test -n "${LDFLAGS}${LIBS}" ; then
1721         for cf_library_path in $LDFLAGS $LIBS
1722         do
1723                 case $cf_library_path in #(vi
1724                 -L*)
1725                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1726                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1727                         cf_library_path_list="$cf_library_path_list [$]$1"
1728                         ;;
1729                 esac
1730         done
1731 fi
1732
1733 CF_SUBDIR_PATH($1,$2,lib)
1734
1735 $1="$cf_library_path_list [$]$1"
1736 ])dnl
1737 dnl ---------------------------------------------------------------------------
1738 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1739 dnl -------------
1740 dnl Compute the library-prefix for the given host system
1741 dnl $1 = variable to set
1742 define([CF_LIB_PREFIX],
1743 [
1744         case $cf_cv_system_name in #(vi
1745         OS/2*|os2*) #(vi
1746         LIB_PREFIX=''
1747         ;;
1748         *)      LIB_PREFIX='lib'
1749         ;;
1750         esac
1751 ifelse($1,,,[$1=$LIB_PREFIX])
1752         AC_SUBST(LIB_PREFIX)
1753 ])dnl
1754 dnl ---------------------------------------------------------------------------
1755 dnl CF_LIB_SUFFIX version: 18 updated: 2012/02/25 15:20:07
1756 dnl -------------
1757 dnl Compute the library file-suffix from the given model name
1758 dnl $1 = model name
1759 dnl $2 = variable to set (the nominal library suffix)
1760 dnl $3 = dependency variable to set (actual filename)
1761 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1762 AC_DEFUN([CF_LIB_SUFFIX],
1763 [
1764         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
1765         case $1 in #(vi
1766         libtool) #(vi
1767                 $2='.la'
1768                 $3=[$]$2
1769                 ;;
1770         normal) #(vi
1771                 $2='.a'
1772                 $3=[$]$2
1773                 ;;
1774         debug) #(vi
1775                 $2='_g.a'
1776                 $3=[$]$2
1777                 ;;
1778         profile) #(vi
1779                 $2='_p.a'
1780                 $3=[$]$2
1781                 ;;
1782         shared) #(vi
1783                 case $cf_cv_system_name in
1784                 aix[[5-7]]*) #(vi
1785                         $2='.a'
1786                         $3=[$]$2
1787                         ;;
1788                 cygwin*|mingw*) #(vi
1789                         $2='.dll'
1790                         $3='.dll.a'
1791                         ;;
1792                 darwin*) #(vi
1793                         $2='.dylib'
1794                         $3=[$]$2
1795                         ;;
1796                 hpux*) #(vi
1797                         case $target in
1798                         ia64*) #(vi
1799                                 $2='.so'
1800                                 $3=[$]$2
1801                                 ;;
1802                         *) #(vi
1803                                 $2='.sl'
1804                                 $3=[$]$2
1805                                 ;;
1806                         esac
1807                         ;;
1808                 *)      $2='.so'
1809                         $3=[$]$2
1810                         ;;
1811                 esac
1812         esac
1813         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1814         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1815 ])dnl
1816 dnl ---------------------------------------------------------------------------
1817 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1818 dnl -----------
1819 dnl Compute the string to append to -library from the given model name
1820 dnl $1 = model name
1821 dnl $2 = variable to set
1822 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1823 AC_DEFUN([CF_LIB_TYPE],
1824 [
1825         case $1 in
1826         libtool) $2=''   ;;
1827         normal)  $2=''   ;;
1828         debug)   $2='_g' ;;
1829         profile) $2='_p' ;;
1830         shared)  $2=''   ;;
1831         esac
1832         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1833 ])dnl
1834 dnl ---------------------------------------------------------------------------
1835 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1836 dnl ----------------
1837 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1838 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1839 dnl have to provide wrappers for global tables to ensure they're linked
1840 dnl properly.
1841 AC_DEFUN([CF_LINK_DATAONLY],
1842 [
1843 AC_MSG_CHECKING([if data-only library module links])
1844 AC_CACHE_VAL(cf_cv_link_dataonly,[
1845         rm -f conftest.a
1846         cat >conftest.$ac_ext <<EOF
1847 #line __oline__ "configure"
1848 int     testdata[[3]] = { 123, 456, 789 };
1849 EOF
1850         if AC_TRY_EVAL(ac_compile) ; then
1851                 mv conftest.o data.o && \
1852                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1853         fi
1854         rm -f conftest.$ac_ext data.o
1855         cat >conftest.$ac_ext <<EOF
1856 #line __oline__ "configure"
1857 int     testfunc()
1858 {
1859 #if defined(NeXT)
1860         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1861 #else
1862         extern int testdata[[3]];
1863         return testdata[[0]] == 123
1864            &&  testdata[[1]] == 456
1865            &&  testdata[[2]] == 789;
1866 #endif
1867 }
1868 EOF
1869         if AC_TRY_EVAL(ac_compile); then
1870                 mv conftest.o func.o && \
1871                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1872         fi
1873         rm -f conftest.$ac_ext func.o
1874         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1875         cf_saveLIBS="$LIBS"
1876         LIBS="conftest.a $LIBS"
1877         AC_TRY_RUN([
1878         int main()
1879         {
1880                 extern int testfunc();
1881                 ${cf_cv_main_return:-return} (!testfunc());
1882         }
1883         ],
1884         [cf_cv_link_dataonly=yes],
1885         [cf_cv_link_dataonly=no],
1886         [cf_cv_link_dataonly=unknown])
1887         LIBS="$cf_saveLIBS"
1888         ])
1889 AC_MSG_RESULT($cf_cv_link_dataonly)
1890
1891 if test "$cf_cv_link_dataonly" = no ; then
1892         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1893         BROKEN_LINKER=1
1894 fi
1895
1896 ])dnl
1897 dnl ---------------------------------------------------------------------------
1898 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1899 dnl ------------
1900 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1901 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1902 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1903 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1904 AC_DEFUN([CF_MAKEFLAGS],
1905 [
1906 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1907         cf_cv_makeflags=''
1908         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1909         do
1910                 cat >cf_makeflags.tmp <<CF_EOF
1911 SHELL = /bin/sh
1912 all :
1913         @ echo '.$cf_option'
1914 CF_EOF
1915                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1916                 case "$cf_result" in
1917                 .*k)
1918                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1919                         case "$cf_result" in
1920                         .*CC=*) cf_cv_makeflags=
1921                                 ;;
1922                         *)      cf_cv_makeflags=$cf_option
1923                                 ;;
1924                         esac
1925                         break
1926                         ;;
1927                 .-)     ;;
1928                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
1929                         ;;
1930                 esac
1931         done
1932         rm -f cf_makeflags.tmp
1933 ])
1934
1935 AC_SUBST(cf_cv_makeflags)
1936 ])dnl
1937 dnl ---------------------------------------------------------------------------
1938 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1939 dnl ------------
1940 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1941 dnl a monocase filesystem.
1942 AC_DEFUN([CF_MAKE_TAGS],[
1943 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1944
1945 AC_CHECK_PROGS(CTAGS, exctags ctags)
1946 AC_CHECK_PROGS(ETAGS, exetags etags)
1947
1948 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1949
1950 if test "$cf_cv_mixedcase" = yes ; then
1951         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1952 else
1953         MAKE_UPPER_TAGS=no
1954 fi
1955
1956 if test "$MAKE_UPPER_TAGS" = yes ; then
1957         MAKE_UPPER_TAGS=
1958 else
1959         MAKE_UPPER_TAGS="#"
1960 fi
1961
1962 if test "$MAKE_LOWER_TAGS" = yes ; then
1963         MAKE_LOWER_TAGS=
1964 else
1965         MAKE_LOWER_TAGS="#"
1966 fi
1967
1968 AC_SUBST(CTAGS)
1969 AC_SUBST(ETAGS)
1970
1971 AC_SUBST(MAKE_UPPER_TAGS)
1972 AC_SUBST(MAKE_LOWER_TAGS)
1973 ])dnl
1974 dnl ---------------------------------------------------------------------------
1975 dnl CF_MIXEDCASE_FILENAMES version: 4 updated: 2012/10/02 20:55:03
1976 dnl ----------------------
1977 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1978 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1979 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1980 [
1981 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1982 if test "$cross_compiling" = yes ; then
1983         case $target_alias in #(vi
1984         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
1985                 cf_cv_mixedcase=no
1986                 ;;
1987         *)
1988                 cf_cv_mixedcase=yes
1989                 ;;
1990         esac
1991 else
1992         rm -f conftest CONFTEST
1993         echo test >conftest
1994         if test -f CONFTEST ; then
1995                 cf_cv_mixedcase=no
1996         else
1997                 cf_cv_mixedcase=yes
1998         fi
1999         rm -f conftest CONFTEST
2000 fi
2001 ])
2002 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2003 ])dnl
2004 dnl ---------------------------------------------------------------------------
2005 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2006 dnl ----------
2007 dnl Check for a working mkstemp.  This creates two files, checks that they are
2008 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2009 AC_DEFUN([CF_MKSTEMP],[
2010 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2011 rm -rf conftest*
2012 AC_TRY_RUN([
2013 #include <sys/types.h>
2014 #include <stdlib.h>
2015 #include <stdio.h>
2016 #include <string.h>
2017 #include <sys/stat.h>
2018 int main()
2019 {
2020         char *tmpl = "conftestXXXXXX";
2021         char name[2][80];
2022         int n;
2023         int result = 0;
2024         int fd;
2025         struct stat sb;
2026
2027         umask(077);
2028         for (n = 0; n < 2; ++n) {
2029                 strcpy(name[n], tmpl);
2030                 if ((fd = mkstemp(name[n])) >= 0) {
2031                         if (!strcmp(name[n], tmpl)
2032                          || stat(name[n], &sb) != 0
2033                          || (sb.st_mode & S_IFMT) != S_IFREG
2034                          || (sb.st_mode & 077) != 0) {
2035                                 result = 1;
2036                         }
2037                         close(fd);
2038                 }
2039         }
2040         if (result == 0
2041          && !strcmp(name[0], name[1]))
2042                 result = 1;
2043         ${cf_cv_main_return:-return}(result);
2044 }
2045 ],[cf_cv_func_mkstemp=yes
2046 ],[cf_cv_func_mkstemp=no
2047 ],[cf_cv_func_mkstemp=maybe])
2048 ])
2049 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2050         AC_CHECK_FUNC(mkstemp)
2051 fi
2052 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2053         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2054 fi
2055 ])dnl
2056 dnl ---------------------------------------------------------------------------
2057 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2058 dnl ----------
2059 dnl Write a debug message to config.log, along with the line number in the
2060 dnl configure script.
2061 AC_DEFUN([CF_MSG_LOG],[
2062 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2063 ])dnl
2064 dnl ---------------------------------------------------------------------------
2065 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2066 dnl ----------------
2067 dnl Configure an ncurses add-on, built outside the ncurses tree.
2068 AC_DEFUN([CF_NCURSES_ADDON],[
2069
2070 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2071
2072 AC_MSG_CHECKING(if you want wide-character code)
2073 AC_ARG_ENABLE(widec,
2074         [  --enable-widec          compile with wide-char/UTF-8 code],
2075         [with_widec=$enableval],
2076         [with_widec=no])
2077 AC_MSG_RESULT($with_widec)
2078 if test "$with_widec" = yes ; then
2079         CF_UTF8_LIB
2080         CF_NCURSES_CONFIG(ncursesw)
2081 else
2082         CF_NCURSES_CONFIG(ncurses)
2083 fi
2084
2085 if test "$NCURSES_CONFIG" != none ; then
2086
2087 cf_version=`$NCURSES_CONFIG --version`
2088
2089 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2090 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2091 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2092
2093 # ABI version is not available from headers
2094 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2095
2096 else
2097
2098 for cf_name in MAJOR MINOR PATCH
2099 do
2100 cat >conftest.$ac_ext <<CF_EOF
2101 #include <${cf_cv_ncurses_header:-curses.h}>
2102 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2103 CF_EOF
2104         cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2105         AC_TRY_EVAL(cf_try)
2106         if test -f conftest.out ; then
2107                 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2108                 eval NCURSES_$cf_name=\"$cf_result\"
2109                 # cat conftest.$ac_ext
2110                 # cat conftest.out
2111         fi
2112 done
2113
2114 cf_cv_abi_version=${NCURSES_MAJOR}
2115
2116 fi
2117
2118 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2119
2120 dnl Show the computed version, for logging
2121 cf_cv_timestamp=`date`
2122
2123 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2124
2125 dnl We need these values in the generated headers
2126 AC_SUBST(NCURSES_MAJOR)
2127 AC_SUBST(NCURSES_MINOR)
2128 AC_SUBST(NCURSES_PATCH)
2129
2130 dnl We need these values in the generated makefiles
2131 AC_SUBST(cf_cv_rel_version)
2132 AC_SUBST(cf_cv_abi_version)
2133
2134 dnl FIXME - not needed for Ada95
2135 AC_SUBST(cf_cv_builtin_bool)
2136 AC_SUBST(cf_cv_header_stdbool_h)
2137 AC_SUBST(cf_cv_type_of_bool)dnl
2138
2139 ])
2140 dnl ---------------------------------------------------------------------------
2141 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2142 dnl -------------------
2143 dnl Check if we can compile with ncurses' header file
2144 dnl $1 is the cache variable to set
2145 dnl $2 is the header-file to include
2146 dnl $3 is the root name (ncurses or ncursesw)
2147 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2148         AC_TRY_COMPILE([
2149 ]ifelse($3,ncursesw,[
2150 #define _XOPEN_SOURCE_EXTENDED
2151 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2152 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2153 ])[
2154 #include <$2>],[
2155 #ifdef NCURSES_VERSION
2156 ]ifelse($3,ncursesw,[
2157 #ifndef WACS_BSSB
2158         make an error
2159 #endif
2160 ])[
2161 printf("%s\n", NCURSES_VERSION);
2162 #else
2163 #ifdef __NCURSES_H
2164 printf("old\n");
2165 #else
2166         make an error
2167 #endif
2168 #endif
2169         ]
2170         ,[$1=$2]
2171         ,[$1=no])
2172 ])dnl
2173 dnl ---------------------------------------------------------------------------
2174 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2175 dnl -----------------
2176 dnl Tie together the configure-script macros for ncurses.
2177 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2178 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2179 dnl
2180 dnl $1 is the root library name (default: "ncurses")
2181 AC_DEFUN([CF_NCURSES_CONFIG],
2182 [
2183 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2184
2185 echo "Looking for ${cf_ncuconfig_root}-config"
2186
2187 CF_ACVERSION_CHECK(2.52,
2188         [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2189         [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2190
2191 if test "$NCURSES_CONFIG" != none ; then
2192
2193 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2194 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2195
2196 # even with config script, some packages use no-override for curses.h
2197 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2198
2199 dnl like CF_NCURSES_CPPFLAGS
2200 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2201
2202 dnl like CF_NCURSES_LIBS
2203 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2204 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2205
2206 dnl like CF_NCURSES_VERSION
2207 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2208
2209 else
2210
2211 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2212 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2213
2214 fi
2215 ])dnl
2216 dnl ---------------------------------------------------------------------------
2217 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2218 dnl -------------------
2219 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2220 dnl the CPPFLAGS variable so we can include its header.
2221 dnl
2222 dnl The header files may be installed as either curses.h, or ncurses.h (would
2223 dnl be obsolete, except that some packagers prefer this name to distinguish it
2224 dnl from a "native" curses implementation).  If not installed for overwrite,
2225 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2226 dnl /usr/include/ncurses), but someone may have installed overwriting the
2227 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2228 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2229 dnl the header.
2230 dnl
2231 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2232 dnl is already in the include-path, don't even bother with this, since we cannot
2233 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2234 dnl
2235 dnl The optional parameter gives the root name of the library, in case it is
2236 dnl not installed as the default curses library.  That is how the
2237 dnl wide-character version of ncurses is installed.
2238 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2239 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2240
2241 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2242 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2243
2244 test -n "$cf_cv_curses_dir" && \
2245 test "$cf_cv_curses_dir" != "no" && { \
2246   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2247 }
2248
2249 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2250         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2251         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2252         for cf_header in $cf_header_list
2253         do
2254                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2255                 test "$cf_cv_ncurses_h" != no && break
2256         done
2257 ])
2258
2259 CF_NCURSES_HEADER
2260 CF_TERM_HEADER
2261
2262 # some applications need this, but should check for NCURSES_VERSION
2263 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2264
2265 CF_NCURSES_VERSION
2266 ])dnl
2267 dnl ---------------------------------------------------------------------------
2268 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2269 dnl -----------------
2270 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2271 dnl variations of ncurses' installs.
2272 dnl
2273 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2274 AC_DEFUN([CF_NCURSES_HEADER],[
2275
2276 if test "$cf_cv_ncurses_h" != no ; then
2277         cf_cv_ncurses_header=$cf_cv_ncurses_h
2278 else
2279
2280 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2281         test -n "$verbose" && echo
2282         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2283         test -n "$verbose" && echo search path $cf_search
2284         cf_save2_CPPFLAGS="$CPPFLAGS"
2285         for cf_incdir in $cf_search
2286         do
2287                 CF_ADD_INCDIR($cf_incdir)
2288                 for cf_header in \
2289                         ncurses.h \
2290                         curses.h
2291                 do
2292                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2293                         if test "$cf_cv_ncurses_h2" != no ; then
2294                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2295                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2296                                 break
2297                         fi
2298                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2299                 done
2300                 CPPFLAGS="$cf_save2_CPPFLAGS"
2301                 test "$cf_cv_ncurses_h2" != no && break
2302         done
2303         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2304         ])
2305
2306         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2307         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2308         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2309                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2310         fi
2311         CF_ADD_INCDIR($cf_1st_incdir)
2312
2313 fi
2314
2315 # Set definitions to allow ifdef'ing for ncurses.h
2316
2317 case $cf_cv_ncurses_header in # (vi
2318 *ncurses.h)
2319         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2320         ;;
2321 esac
2322
2323 case $cf_cv_ncurses_header in # (vi
2324 ncurses/curses.h|ncurses/ncurses.h)
2325         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2326         ;;
2327 ncursesw/curses.h|ncursesw/ncurses.h)
2328         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2329         ;;
2330 esac
2331
2332 ])dnl
2333 dnl ---------------------------------------------------------------------------
2334 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2335 dnl ---------------
2336 dnl Look for the ncurses library.  This is a little complicated on Linux,
2337 dnl because it may be linked with the gpm (general purpose mouse) library.
2338 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2339 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2340 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2341 dnl and the linker will record a dependency.
2342 dnl
2343 dnl The optional parameter gives the root name of the library, in case it is
2344 dnl not installed as the default curses library.  That is how the
2345 dnl wide-character version of ncurses is installed.
2346 AC_DEFUN([CF_NCURSES_LIBS],
2347 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2348
2349 cf_nculib_root=ifelse($1,,ncurses,$1)
2350         # This works, except for the special case where we find gpm, but
2351         # ncurses is in a nonstandard location via $LIBS, and we really want
2352         # to link gpm.
2353 cf_ncurses_LIBS=""
2354 cf_ncurses_SAVE="$LIBS"
2355 AC_CHECK_LIB(gpm,Gpm_Open,
2356         [AC_CHECK_LIB(gpm,initscr,
2357                 [LIBS="$cf_ncurses_SAVE"],
2358                 [cf_ncurses_LIBS="-lgpm"])])
2359
2360 case $host_os in #(vi
2361 freebsd*)
2362         # This is only necessary if you are linking against an obsolete
2363         # version of ncurses (but it should do no harm, since it's static).
2364         if test "$cf_nculib_root" = ncurses ; then
2365                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2366         fi
2367         ;;
2368 esac
2369
2370 CF_ADD_LIBS($cf_ncurses_LIBS)
2371
2372 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2373 then
2374         CF_ADD_LIBS(-l$cf_nculib_root)
2375 else
2376         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2377                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2378                 [initscr()],
2379                 initscr)
2380 fi
2381
2382 if test -n "$cf_ncurses_LIBS" ; then
2383         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2384         cf_ncurses_SAVE="$LIBS"
2385         for p in $cf_ncurses_LIBS ; do
2386                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2387                 if test "$q" != "$LIBS" ; then
2388                         LIBS="$q"
2389                 fi
2390         done
2391         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2392                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2393                 [AC_MSG_RESULT(yes)],
2394                 [AC_MSG_RESULT(no)
2395                  LIBS="$cf_ncurses_SAVE"])
2396 fi
2397
2398 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2399 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2400 ])dnl
2401 dnl ---------------------------------------------------------------------------
2402 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2403 dnl ------------------
2404 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2405 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2406 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2407 AC_DEFUN([CF_NCURSES_VERSION],
2408 [
2409 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2410 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2411         cf_cv_ncurses_version=no
2412         cf_tempfile=out$$
2413         rm -f $cf_tempfile
2414         AC_TRY_RUN([
2415 #include <${cf_cv_ncurses_header:-curses.h}>
2416 #include <stdio.h>
2417 int main()
2418 {
2419         FILE *fp = fopen("$cf_tempfile", "w");
2420 #ifdef NCURSES_VERSION
2421 # ifdef NCURSES_VERSION_PATCH
2422         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2423 # else
2424         fprintf(fp, "%s\n", NCURSES_VERSION);
2425 # endif
2426 #else
2427 # ifdef __NCURSES_H
2428         fprintf(fp, "old\n");
2429 # else
2430         make an error
2431 # endif
2432 #endif
2433         ${cf_cv_main_return:-return}(0);
2434 }],[
2435         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2436
2437         # This will not work if the preprocessor splits the line after the
2438         # Autoconf token.  The 'unproto' program does that.
2439         cat > conftest.$ac_ext <<EOF
2440 #include <${cf_cv_ncurses_header:-curses.h}>
2441 #undef Autoconf
2442 #ifdef NCURSES_VERSION
2443 Autoconf NCURSES_VERSION
2444 #else
2445 #ifdef __NCURSES_H
2446 Autoconf "old"
2447 #endif
2448 ;
2449 #endif
2450 EOF
2451         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2452         AC_TRY_EVAL(cf_try)
2453         if test -f conftest.out ; then
2454                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2455                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2456                 rm -f conftest.out
2457         fi
2458 ])
2459         rm -f $cf_tempfile
2460 ])
2461 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2462 ])dnl
2463 dnl ---------------------------------------------------------------------------
2464 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2465 dnl -------------
2466 dnl Compute the object-directory name from the given model name
2467 AC_DEFUN([CF_OBJ_SUBDIR],
2468 [
2469         case $1 in
2470         libtool) $2='obj_lo'  ;;
2471         normal)  $2='objects' ;;
2472         debug)   $2='obj_g' ;;
2473         profile) $2='obj_p' ;;
2474         shared)
2475                 case $cf_cv_system_name in #(vi
2476                 cygwin) #(vi
2477                         $2='objects' ;;
2478                 *)
2479                         $2='obj_s' ;;
2480                 esac
2481         esac
2482 ])dnl
2483 dnl ---------------------------------------------------------------------------
2484 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2485 dnl ----------
2486 dnl Provide a value for the $PATH and similar separator (or amend the value
2487 dnl as provided in autoconf 2.5x).
2488 AC_DEFUN([CF_PATHSEP],
2489 [
2490         AC_MSG_CHECKING(for PATH separator)
2491         case $cf_cv_system_name in
2492         os2*)   PATH_SEPARATOR=';'  ;;
2493         *)      ${PATH_SEPARATOR:=':'}  ;;
2494         esac
2495 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2496         AC_SUBST(PATH_SEPARATOR)
2497         AC_MSG_RESULT($PATH_SEPARATOR)
2498 ])dnl
2499 dnl ---------------------------------------------------------------------------
2500 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2501 dnl --------------
2502 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2503 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2504 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2505 dnl delayed evaluation of those symbols.
2506 AC_DEFUN([CF_PATH_SYNTAX],[
2507 if test "x$prefix" != xNONE; then
2508   cf_path_syntax="$prefix"
2509 else
2510   cf_path_syntax="$ac_default_prefix"
2511 fi
2512
2513 case ".[$]$1" in #(vi
2514 .\[$]\(*\)*|.\'*\'*) #(vi
2515   ;;
2516 ..|./*|.\\*) #(vi
2517   ;;
2518 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2519   ;;
2520 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2521   eval $1="[$]$1"
2522   case ".[$]$1" in #(vi
2523   .NONE/*)
2524     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2525     ;;
2526   esac
2527   ;; #(vi
2528 .no|.NONE/*)
2529   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2530   ;;
2531 *)
2532   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2533   ;;
2534 esac
2535 ])dnl
2536 dnl ---------------------------------------------------------------------------
2537 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2538 dnl -------------
2539 dnl Check for the package-config program, unless disabled by command-line.
2540 AC_DEFUN([CF_PKG_CONFIG],
2541 [
2542 AC_MSG_CHECKING(if you want to use pkg-config)
2543 AC_ARG_WITH(pkg-config,
2544         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2545         [cf_pkg_config=$withval],
2546         [cf_pkg_config=yes])
2547 AC_MSG_RESULT($cf_pkg_config)
2548
2549 case $cf_pkg_config in #(vi
2550 no) #(vi
2551         PKG_CONFIG=none
2552         ;;
2553 yes) #(vi
2554         CF_ACVERSION_CHECK(2.52,
2555                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2556                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2557         ;;
2558 *)
2559         PKG_CONFIG=$withval
2560         ;;
2561 esac
2562
2563 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2564 if test "$PKG_CONFIG" != none ; then
2565         CF_PATH_SYNTAX(PKG_CONFIG)
2566 fi
2567
2568 AC_SUBST(PKG_CONFIG)
2569 ])dnl
2570 dnl ---------------------------------------------------------------------------
2571 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2572 dnl -----------------
2573 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2574 dnl
2575 dnl     POSIX.1-1990                            _POSIX_SOURCE
2576 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2577 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2578 dnl             Bindings Option
2579 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2580 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2581 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2582 dnl
2583 dnl Parameters:
2584 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2585 AC_DEFUN([CF_POSIX_C_SOURCE],
2586 [
2587 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2588
2589 cf_save_CFLAGS="$CFLAGS"
2590 cf_save_CPPFLAGS="$CPPFLAGS"
2591
2592 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2593 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2594
2595 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2596         CF_MSG_LOG(if the symbol is already defined go no further)
2597         AC_TRY_COMPILE([#include <sys/types.h>],[
2598 #ifndef _POSIX_C_SOURCE
2599 make an error
2600 #endif],
2601         [cf_cv_posix_c_source=no],
2602         [cf_want_posix_source=no
2603          case .$cf_POSIX_C_SOURCE in #(vi
2604          .[[12]]??*) #(vi
2605                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2606                 ;;
2607          .2) #(vi
2608                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2609                 cf_want_posix_source=yes
2610                 ;;
2611          .*)
2612                 cf_want_posix_source=yes
2613                 ;;
2614          esac
2615          if test "$cf_want_posix_source" = yes ; then
2616                 AC_TRY_COMPILE([#include <sys/types.h>],[
2617 #ifdef _POSIX_SOURCE
2618 make an error
2619 #endif],[],
2620                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2621          fi
2622          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2623          CFLAGS="$cf_trim_CFLAGS"
2624          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2625          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2626          AC_TRY_COMPILE([#include <sys/types.h>],[
2627 #ifndef _POSIX_C_SOURCE
2628 make an error
2629 #endif],,
2630          [cf_cv_posix_c_source=no])
2631          CFLAGS="$cf_save_CFLAGS"
2632          CPPFLAGS="$cf_save_CPPFLAGS"
2633         ])
2634 ])
2635
2636 if test "$cf_cv_posix_c_source" != no ; then
2637         CFLAGS="$cf_trim_CFLAGS"
2638         CPPFLAGS="$cf_trim_CPPFLAGS"
2639         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2640 fi
2641
2642 ])dnl
2643 dnl ---------------------------------------------------------------------------
2644 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2645 dnl ----------
2646 dnl Check for archiver "ar".
2647 AC_DEFUN([CF_PROG_AR],[
2648 AC_CHECK_TOOL(AR, ar, ar)
2649 ])
2650 dnl ---------------------------------------------------------------------------
2651 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2652 dnl -----------
2653 dnl Check for awk, ensure that the check found something.
2654 AC_DEFUN([CF_PROG_AWK],
2655 [
2656 AC_PROG_AWK
2657 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2658 ])dnl
2659 dnl ---------------------------------------------------------------------------
2660 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2661 dnl ----------
2662 dnl standard check for CC, plus followup sanity checks
2663 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2664 AC_DEFUN([CF_PROG_CC],[
2665 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2666 CF_GCC_VERSION
2667 CF_ACVERSION_CHECK(2.52,
2668         [AC_PROG_CC_STDC],
2669         [CF_ANSI_CC_REQD])
2670 CF_CC_ENV_FLAGS
2671 ])dnl
2672 dnl ---------------------------------------------------------------------------
2673 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2674 dnl --------------
2675 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2676 dnl the output file can be renamed, and allows for a shell variable that can
2677 dnl be used later.  The parameter is either CC or CXX.  The result is the
2678 dnl cache variable:
2679 dnl     $cf_cv_prog_CC_c_o
2680 dnl     $cf_cv_prog_CXX_c_o
2681 AC_DEFUN([CF_PROG_CC_C_O],
2682 [AC_REQUIRE([AC_PROG_CC])dnl
2683 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2684 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2685 [
2686 cat > conftest.$ac_ext <<CF_EOF
2687 #include <stdio.h>
2688 int main()
2689 {
2690         ${cf_cv_main_return:-return}(0);
2691 }
2692 CF_EOF
2693 # We do the test twice because some compilers refuse to overwrite an
2694 # existing .o file with -o, though they will create one.
2695 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2696 if AC_TRY_EVAL(ac_try) &&
2697   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2698 then
2699   eval cf_cv_prog_$1_c_o=yes
2700 else
2701   eval cf_cv_prog_$1_c_o=no
2702 fi
2703 rm -rf conftest*
2704 ])dnl
2705 if test $cf_cv_prog_$1_c_o = yes; then
2706   AC_MSG_RESULT([yes])
2707 else
2708   AC_MSG_RESULT([no])
2709 fi
2710 ])dnl
2711 dnl ---------------------------------------------------------------------------
2712 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2713 dnl -------------
2714 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2715 dnl This macro adds a check to ensure the script found something.
2716 AC_DEFUN([CF_PROG_EGREP],
2717 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2718    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2719     then ac_cv_prog_egrep='grep -E'
2720     else ac_cv_prog_egrep='egrep'
2721     fi])
2722  EGREP=$ac_cv_prog_egrep
2723  AC_SUBST([EGREP])
2724 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2725 ])dnl
2726 dnl ---------------------------------------------------------------------------
2727 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2728 dnl -----------
2729 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2730 AC_DEFUN([CF_PROG_EXT],
2731 [
2732 AC_REQUIRE([CF_CHECK_CACHE])
2733 case $cf_cv_system_name in
2734 os2*)
2735     CFLAGS="$CFLAGS -Zmt"
2736     CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2737     CXXFLAGS="$CXXFLAGS -Zmt"
2738     # autoconf's macro sets -Zexe and suffix both, which conflict:w
2739     LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2740     ac_cv_exeext=.exe
2741     ;;
2742 esac
2743
2744 AC_EXEEXT
2745 AC_OBJEXT
2746
2747 PROG_EXT="$EXEEXT"
2748 AC_SUBST(PROG_EXT)
2749 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2750 ])dnl
2751 dnl ---------------------------------------------------------------------------
2752 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2753 dnl ------------
2754 dnl Check for gnatmake, ensure that it is complete.
2755 AC_DEFUN([CF_PROG_GNAT],[
2756 cf_ada_make=gnatmake
2757 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2758 if test "$ac_cv_prog_gnat_exists" = no; then
2759    cf_ada_make=
2760    cf_cv_prog_gnat_correct=no
2761 else
2762    CF_GNAT_VERSION
2763    AC_CHECK_PROG(M4_exists, m4, yes, no)
2764    if test "$ac_cv_prog_M4_exists" = no; then
2765       cf_cv_prog_gnat_correct=no
2766       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2767    fi
2768    if test "$cf_cv_prog_gnat_correct" = yes; then
2769       AC_MSG_CHECKING(if GNAT works)
2770       CF_GNAT_TRY_RUN([procedure conftest;],
2771 [with Text_IO;
2772 with GNAT.OS_Lib;
2773 procedure conftest is
2774 begin
2775    Text_IO.Put ("Hello World");
2776    Text_IO.New_Line;
2777    GNAT.OS_Lib.OS_Exit (0);
2778 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2779       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2780    fi
2781 fi
2782
2783 AC_SUBST(cf_ada_make)
2784 ])dnl
2785 dnl ---------------------------------------------------------------------------
2786 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2787 dnl ------------
2788 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2789 dnl option if it is supported.
2790 AC_DEFUN([CF_PROG_LN_S],[
2791 AC_PROG_LN_S
2792 AC_MSG_CHECKING(if $LN_S -f options work)
2793
2794 rm -f conf$$.src conf$$dst
2795 echo >conf$$.dst
2796 echo first >conf$$.src
2797 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2798         cf_prog_ln_sf=yes
2799 else
2800         cf_prog_ln_sf=no
2801 fi
2802 rm -f conf$$.dst conf$$src
2803 AC_MSG_RESULT($cf_prog_ln_sf)
2804
2805 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2806 ])dnl
2807 dnl ---------------------------------------------------------------------------
2808 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2809 dnl ----------------
2810 dnl Remove all -U and -D options that refer to the given symbol from a list
2811 dnl of C compiler options.  This works around the problem that not all
2812 dnl compilers process -U and -D options from left-to-right, so a -U option
2813 dnl cannot be used to cancel the effect of a preceding -D option.
2814 dnl
2815 dnl $1 = target (which could be the same as the source variable)
2816 dnl $2 = source (including '$')
2817 dnl $3 = symbol to remove
2818 define([CF_REMOVE_DEFINE],
2819 [
2820 $1=`echo "$2" | \
2821         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2822                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2823 ])dnl
2824 dnl ---------------------------------------------------------------------------
2825 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2826 dnl -------------
2827 dnl Remove the given library from the symbol
2828 dnl
2829 dnl $1 = target (which could be the same as the source variable)
2830 dnl $2 = source (including '$')
2831 dnl $3 = library to remove
2832 define([CF_REMOVE_LIB],
2833 [
2834 # remove $3 library from $2
2835 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2836 ])dnl
2837 dnl ---------------------------------------------------------------------------
2838 dnl CF_SHARED_OPTS version: 72 updated: 2013/01/26 16:26:12
2839 dnl --------------
2840 dnl --------------
2841 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2842 dnl library.
2843 dnl
2844 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2845 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2846 dnl We avoid compiling-in a ../lib path for the shared library since that can
2847 dnl lead to unexpected results at runtime.
2848 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2849 dnl are compiled in ../../lib
2850 dnl
2851 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2852 dnl to install symbolic links to the rel/abi versions of shared libraries.
2853 dnl
2854 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2855 dnl version when making symbolic links.
2856 dnl
2857 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2858 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2859 dnl (ex: libncurses.so.<ver>).
2860 dnl
2861 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2862 AC_DEFUN([CF_SHARED_OPTS],
2863 [
2864         AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2865         AC_REQUIRE([CF_LD_RPATH_OPT])
2866         LOCAL_LDFLAGS=
2867         LOCAL_LDFLAGS2=
2868         LD_SHARED_OPTS=
2869         INSTALL_LIB="-m 644"
2870
2871         cf_cv_do_symlinks=no
2872         cf_ld_rpath_opt=
2873         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2874
2875         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2876         AC_ARG_WITH(shlib-version,
2877         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2878         [test -z "$withval" && withval=auto
2879         case $withval in #(vi
2880         yes) #(vi
2881                 cf_cv_shlib_version=auto
2882                 ;;
2883         rel|abi|auto|no) #(vi
2884                 cf_cv_shlib_version=$withval
2885                 ;;
2886         *)
2887                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2888                 ;;
2889         esac
2890         ],[cf_cv_shlib_version=auto])
2891         AC_MSG_RESULT($cf_cv_shlib_version)
2892
2893         cf_cv_rm_so_locs=no
2894         cf_try_cflags=
2895
2896         # Some less-capable ports of gcc support only -fpic
2897         CC_SHARED_OPTS=
2898         if test "$GCC" = yes
2899         then
2900                 AC_MSG_CHECKING(which $CC option to use)
2901                 cf_save_CFLAGS="$CFLAGS"
2902                 for CC_SHARED_OPTS in -fPIC -fpic ''
2903                 do
2904                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2905                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2906                 done
2907                 AC_MSG_RESULT($CC_SHARED_OPTS)
2908                 CFLAGS="$cf_save_CFLAGS"
2909         fi
2910
2911         cf_cv_shlib_version_infix=no
2912
2913         case $cf_cv_system_name in #(vi
2914         aix4.[3-9]*|aix[[5-7]]*) #(vi
2915                 if test "$GCC" = yes; then
2916                         CC_SHARED_OPTS=
2917                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2918                 else
2919                         # CC_SHARED_OPTS='-qpic=large -G'
2920                         # perhaps "-bM:SRE -bnoentry -bexpall"
2921                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2922                 fi
2923                 ;;
2924         beos*) #(vi
2925                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2926                 ;;
2927         cygwin*) #(vi
2928                 CC_SHARED_OPTS=
2929                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2930                 cf_cv_shlib_version=cygdll
2931                 cf_cv_shlib_version_infix=cygdll
2932                 cat >mk_shared_lib.sh <<-CF_EOF
2933                 #!/bin/sh
2934                 SHARED_LIB=\[$]1
2935                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2936                 shift
2937                 cat <<-EOF
2938                 Linking shared library
2939                 ** SHARED_LIB \[$]SHARED_LIB
2940                 ** IMPORT_LIB \[$]IMPORT_LIB
2941 EOF
2942                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
2943 CF_EOF
2944                 chmod +x mk_shared_lib.sh
2945                 ;;
2946         darwin*) #(vi
2947                 cf_try_cflags="no-cpp-precomp"
2948                 CC_SHARED_OPTS="-dynamic"
2949                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2950                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2951                 cf_cv_shlib_version_infix=yes
2952                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2953                         cf_save_LDFLAGS=$LDFLAGS
2954                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2955                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2956                                 LDFLAGS=$cf_save_LDFLAGS])
2957                 if test $cf_cv_ldflags_search_paths_first = yes; then
2958                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2959                 fi
2960                 ;;
2961         hpux[[7-8]]*) #(vi
2962                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
2963                 if test "$GCC" != yes; then
2964                         CC_SHARED_OPTS='+Z'
2965                 fi
2966                 MK_SHARED_LIB='${LD} -b -o $[@]'
2967                 INSTALL_LIB="-m 555"
2968                 ;;
2969         hpux*) #(vi
2970                 # (tested with gcc 2.7.2 -- I don't have c89)
2971                 if test "$GCC" = yes; then
2972                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
2973                 else
2974                         CC_SHARED_OPTS='+Z'
2975                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
2976                 fi
2977                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
2978                 # HP-UX shared libraries must be executable, and should be
2979                 # readonly to exploit a quirk in the memory manager.
2980                 INSTALL_LIB="-m 555"
2981                 ;;
2982         interix*)
2983                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2984                 if test "$cf_cv_shlib_version" = rel; then
2985                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
2986                 else
2987                         cf_shared_soname='`basename $@`'
2988                 fi
2989                 CC_SHARED_OPTS=
2990                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
2991                 ;;
2992         irix*) #(vi
2993                 if test "$cf_cv_enable_rpath" = yes ; then
2994                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
2995                 fi
2996                 # tested with IRIX 5.2 and 'cc'.
2997                 if test "$GCC" != yes; then
2998                         CC_SHARED_OPTS='-KPIC'
2999                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3000                 else
3001                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3002                 fi
3003                 cf_cv_rm_so_locs=yes
3004                 ;;
3005         linux*|gnu*|k*bsd*-gnu) #(vi
3006                 if test "$DFT_LWR_MODEL" = "shared" ; then
3007                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3008                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3009                 fi
3010                 if test "$cf_cv_enable_rpath" = yes ; then
3011                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3012                 fi
3013                 CF_SHARED_SONAME
3014                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3015                 ;;
3016         mingw*) #(vi
3017                 cf_cv_shlib_version=mingw
3018                 cf_cv_shlib_version_infix=mingw
3019                 CC_SHARED_OPTS=
3020                 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3021                 #MK_SHARED_LIB='${CC} ${CFLAGS} -mdll -Wl,-soname,'$cf_cv_shared_soname',-stats -o $[@]'
3022                 #MK_SHARED_LIB='${DLLTOOL} --export-all-symbols --output-exp --output-lib $[@]'
3023                 cat >mk_shared_lib.sh <<-CF_EOF
3024                 #!/bin/sh
3025                 SHARED_LIB=\[$]1
3026                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3027                 shift
3028                 cat <<-EOF
3029                 Linking shared library
3030                 ** SHARED_LIB \[$]SHARED_LIB
3031                 ** IMPORT_LIB \[$]IMPORT_LIB
3032 EOF
3033                 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3034 CF_EOF
3035                 chmod +x mk_shared_lib.sh
3036                 ;;
3037         openbsd[[2-9]].*|mirbsd*) #(vi
3038                 if test "$DFT_LWR_MODEL" = "shared" ; then
3039                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3040                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3041                 fi
3042                 if test "$cf_cv_enable_rpath" = yes ; then
3043                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3044                 fi
3045                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3046                 CF_SHARED_SONAME
3047                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3048                 ;;
3049         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3050                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3051                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3052                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3053                 ;;
3054         dragonfly*|freebsd*) #(vi
3055                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3056                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3057                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3058                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3059                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3060                 fi
3061                 CF_SHARED_SONAME
3062                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3063                 ;;
3064         netbsd*) #(vi
3065                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3066                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3067                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3068                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3069                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3070                         if test "$cf_cv_shlib_version" = auto; then
3071                         if test -f /usr/libexec/ld.elf_so; then
3072                                 cf_cv_shlib_version=abi
3073                         else
3074                                 cf_cv_shlib_version=rel
3075                         fi
3076                         fi
3077                         CF_SHARED_SONAME
3078                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3079                 else
3080                         MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
3081                 fi
3082                 ;;
3083         osf*|mls+*) #(vi
3084                 # tested with OSF/1 V3.2 and 'cc'
3085                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3086                 # link with shared libs).
3087                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3088                 case $host_os in #(vi
3089                 osf4*)
3090                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3091                         ;;
3092                 esac
3093                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3094                 if test "$DFT_LWR_MODEL" = "shared" ; then
3095                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3096                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3097                 fi
3098                 cf_cv_rm_so_locs=yes
3099                 ;;
3100         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
3101                 # tested with osr5.0.5
3102                 if test "$GCC" != yes; then
3103                         CC_SHARED_OPTS='-belf -KPIC'
3104                 fi
3105                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3106                 if test "$cf_cv_enable_rpath" = yes ; then
3107                         # only way is to set LD_RUN_PATH but no switch for it
3108                         RUN_PATH=$libdir
3109                 fi
3110                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3111                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3112                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3113                 ;;
3114         sunos4*) #(vi
3115                 # tested with SunOS 4.1.1 and gcc 2.7.0
3116                 if test "$GCC" != yes; then
3117                         CC_SHARED_OPTS='-KPIC'
3118                 fi
3119                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3120                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3121                 ;;
3122         solaris2*) #(vi
3123                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3124                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3125                 if test "$DFT_LWR_MODEL" = "shared" ; then
3126                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3127                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3128                 fi
3129                 if test "$cf_cv_enable_rpath" = yes ; then
3130                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3131                 fi
3132                 CF_SHARED_SONAME
3133                 if test "$GCC" != yes; then
3134                         cf_save_CFLAGS="$CFLAGS"
3135                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3136                         do
3137                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3138                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3139                         done
3140                         CFLAGS="$cf_save_CFLAGS"
3141                         CC_SHARED_OPTS=$cf_shared_opts
3142                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3143                 else
3144                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3145                 fi
3146                 ;;
3147         sysv5uw7*|unix_sv*) #(vi
3148                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3149                 if test "$GCC" != yes; then
3150                         CC_SHARED_OPTS='-KPIC'
3151                 fi
3152                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3153                 ;;
3154         *)
3155                 CC_SHARED_OPTS='unknown'
3156                 MK_SHARED_LIB='echo unknown'
3157                 ;;
3158         esac
3159
3160         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3161         case "$cf_cv_shlib_version" in #(vi
3162         rel|abi)
3163                 case "$MK_SHARED_LIB" in #(vi
3164                 *'-o $[@]') #(vi
3165                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3166                         ;;
3167                 *)
3168                         AC_MSG_WARN(ignored --with-shlib-version)
3169                         ;;
3170                 esac
3171                 ;;
3172         esac
3173
3174         if test -n "$cf_try_cflags"
3175         then
3176 cat > conftest.$ac_ext <<EOF
3177 #line __oline__ "${as_me:-configure}"
3178 #include <stdio.h>
3179 int main(int argc, char *argv[[]])
3180 {
3181         printf("hello\n");
3182         return (argv[[argc-1]] == 0) ;
3183 }
3184 EOF
3185                 cf_save_CFLAGS="$CFLAGS"
3186                 for cf_opt in $cf_try_cflags
3187                 do
3188                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3189                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3190                         if AC_TRY_EVAL(ac_compile); then
3191                                 AC_MSG_RESULT(yes)
3192                                 cf_save_CFLAGS="$CFLAGS"
3193                         else
3194                                 AC_MSG_RESULT(no)
3195                         fi
3196                 done
3197                 CFLAGS="$cf_save_CFLAGS"
3198         fi
3199
3200
3201         # RPATH_LIST is a colon-separated list of directories
3202         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3203         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3204
3205         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3206         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3207
3208         AC_SUBST(CC_SHARED_OPTS)
3209         AC_SUBST(LD_RPATH_OPT)
3210         AC_SUBST(LD_SHARED_OPTS)
3211         AC_SUBST(MK_SHARED_LIB)
3212         AC_SUBST(LINK_PROGS)
3213         AC_SUBST(LINK_TESTS)
3214         AC_SUBST(EXTRA_LDFLAGS)
3215         AC_SUBST(LOCAL_LDFLAGS)
3216         AC_SUBST(LOCAL_LDFLAGS2)
3217         AC_SUBST(INSTALL_LIB)
3218         AC_SUBST(RPATH_LIST)
3219 ])dnl
3220 dnl ---------------------------------------------------------------------------
3221 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3222 dnl ----------------
3223 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3224 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3225 dnl option.
3226 dnl
3227 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3228 dnl If missing, use "rel".
3229 define([CF_SHARED_SONAME],
3230 [
3231         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3232         if test "$cf_cv_shlib_version" = rel; then
3233                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3234         else
3235                 cf_cv_shared_soname='`basename $[@]`'
3236         fi
3237 ])
3238 dnl ---------------------------------------------------------------------------
3239 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3240 dnl --------------
3241 dnl     Remove "-g" option from the compiler options
3242 AC_DEFUN([CF_STRIP_G_OPT],
3243 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3244 dnl ---------------------------------------------------------------------------
3245 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3246 dnl --------------
3247 dnl Construct a search-list for a nonstandard header/lib-file
3248 dnl     $1 = the variable to return as result
3249 dnl     $2 = the package name
3250 dnl     $3 = the subdirectory, e.g., bin, include or lib
3251 AC_DEFUN([CF_SUBDIR_PATH],
3252 [
3253 $1=
3254
3255 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3256 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3257 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3258 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3259 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3260 ])dnl
3261 dnl ---------------------------------------------------------------------------
3262 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3263 dnl --------------
3264 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3265 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3266 dnl but some packagers change this, breaking various applications.
3267 AC_DEFUN([CF_TERM_HEADER],[
3268 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3269 case ${cf_cv_ncurses_header} in #(vi
3270 */ncurses.h|*/ncursesw.h) #(vi
3271         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3272         ;;
3273 *)
3274         cf_term_header=term.h
3275         ;;
3276 esac
3277
3278 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3279 do
3280 AC_TRY_COMPILE([#include <stdio.h>
3281 #include <${cf_cv_ncurses_header:-curses.h}>
3282 #include <$cf_test>
3283 ],[int x = auto_left_margin],[
3284         cf_cv_term_header="$cf_test"],[
3285         cf_cv_term_header=unknown
3286         ])
3287         test "$cf_cv_term_header" != unknown && break
3288 done
3289 ])
3290
3291 # Set definitions to allow ifdef'ing to accommodate subdirectories
3292
3293 case $cf_cv_term_header in # (vi
3294 *term.h)
3295         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3296         ;;
3297 esac
3298
3299 case $cf_cv_term_header in # (vi
3300 ncurses/term.h) #(vi
3301         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3302         ;;
3303 ncursesw/term.h)
3304         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3305         ;;
3306 esac
3307 ])dnl
3308 dnl ---------------------------------------------------------------------------
3309 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3310 dnl ---------------
3311 dnl Define a top_builddir symbol, for applications that need an absolute path.
3312 AC_DEFUN([CF_TOP_BUILDDIR],
3313 [
3314 top_builddir=`pwd`
3315 AC_SUBST(top_builddir)
3316 ])dnl
3317 dnl ---------------------------------------------------------------------------
3318 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3319 dnl -------------------
3320 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3321 dnl can define it successfully.
3322 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3323 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3324         AC_TRY_COMPILE([
3325 #include <stdlib.h>
3326 #include <string.h>
3327 #include <sys/types.h>
3328 ],[
3329 #ifndef _XOPEN_SOURCE
3330 make an error
3331 #endif],
3332         [cf_cv_xopen_source=no],
3333         [cf_save="$CPPFLAGS"
3334          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3335          AC_TRY_COMPILE([
3336 #include <stdlib.h>
3337 #include <string.h>
3338 #include <sys/types.h>
3339 ],[
3340 #ifdef _XOPEN_SOURCE
3341 make an error
3342 #endif],
3343         [cf_cv_xopen_source=no],
3344         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3345         CPPFLAGS="$cf_save"
3346         ])
3347 ])
3348
3349 if test "$cf_cv_xopen_source" != no ; then
3350         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3351         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3352         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3353         CF_ADD_CFLAGS($cf_temp_xopen_source)
3354 fi
3355 ])
3356 dnl ---------------------------------------------------------------------------
3357 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3358 dnl --------
3359 dnl Make an uppercase version of a variable
3360 dnl $1=uppercase($2)
3361 AC_DEFUN([CF_UPPER],
3362 [
3363 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3364 ])dnl
3365 dnl ---------------------------------------------------------------------------
3366 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3367 dnl -----------
3368 dnl Check for multibyte support, and if not found, utf8 compatibility library
3369 AC_DEFUN([CF_UTF8_LIB],
3370 [
3371 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3372         cf_save_LIBS="$LIBS"
3373         AC_TRY_LINK([
3374 #include <stdlib.h>],[putwc(0,0);],
3375         [cf_cv_utf8_lib=yes],
3376         [CF_FIND_LINKAGE([
3377 #include <libutf8.h>],[putwc(0,0);],utf8,
3378                 [cf_cv_utf8_lib=add-on],
3379                 [cf_cv_utf8_lib=no])
3380 ])])
3381
3382 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3383 # ncurses/ncursesw:
3384 if test "$cf_cv_utf8_lib" = "add-on" ; then
3385         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3386         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3387         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3388         CF_ADD_LIBS($cf_cv_library_file_utf8)
3389 fi
3390 ])dnl
3391 dnl ---------------------------------------------------------------------------
3392 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3393 dnl ----------
3394 dnl Use AC_VERBOSE w/o the warnings
3395 AC_DEFUN([CF_VERBOSE],
3396 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3397 CF_MSG_LOG([$1])
3398 ])dnl
3399 dnl ---------------------------------------------------------------------------
3400 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3401 dnl ---------------
3402 dnl Check for compiler-support for weak symbols.
3403 dnl This works with "recent" gcc.
3404 AC_DEFUN([CF_WEAK_SYMBOLS],[
3405 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3406
3407 AC_TRY_COMPILE([
3408 #include <stdio.h>],
3409 [
3410 #if defined(__GNUC__)
3411 #  if defined __USE_ISOC99
3412 #    define _cat_pragma(exp)    _Pragma(#exp)
3413 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3414 #  else
3415 #    define _weak_pragma(exp)
3416 #  endif
3417 #  define _declare(name)        __extension__ extern __typeof__(name) name
3418 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3419 #endif
3420
3421 weak_symbol(fopen);
3422 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3423 ])
3424 ])dnl
3425 dnl ---------------------------------------------------------------------------
3426 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3427 dnl --------------------
3428 dnl Command-line option to specify the Ada95 compiler.
3429 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3430 AC_MSG_CHECKING(for ada-compiler)
3431 AC_ARG_WITH(ada-compiler,
3432         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3433         [cf_ada_compiler=$withval],
3434         [cf_ada_compiler=gnatmake])
3435 AC_SUBST(cf_ada_compiler)
3436 AC_MSG_RESULT($cf_ada_compiler)
3437 ])dnl
3438 dnl ---------------------------------------------------------------------------
3439 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3440 dnl -------------------
3441 dnl Command-line option to specify where Ada includes will install.
3442 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3443 AC_MSG_CHECKING(for ada-include)
3444 CF_WITH_PATH(ada-include,
3445    [  --with-ada-include=DIR  Ada includes are in DIR],
3446    ADA_INCLUDE,
3447    PREFIX/share/ada/adainclude,
3448    [$]prefix/share/ada/adainclude)
3449 AC_SUBST(ADA_INCLUDE)
3450 AC_MSG_RESULT($ADA_INCLUDE)
3451 ])dnl
3452 dnl ---------------------------------------------------------------------------
3453 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3454 dnl -------------------
3455 dnl Command-line option to specify where Ada objects will install.
3456 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3457 AC_MSG_CHECKING(for ada-objects)
3458 CF_WITH_PATH(ada-objects,
3459    [  --with-ada-objects=DIR  Ada objects are in DIR],
3460    ADA_OBJECTS,
3461    PREFIX/lib/ada/adalib,
3462    [$]prefix/lib/ada/adalib)
3463 AC_SUBST(ADA_OBJECTS)
3464 AC_MSG_RESULT($ADA_OBJECTS)
3465 ])dnl
3466 dnl ---------------------------------------------------------------------------
3467 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3468 dnl ---------------------
3469 dnl Command-line option to specify if an Ada95 shared-library should be built,
3470 dnl and optionally what its soname should be.
3471 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3472 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3473 AC_ARG_WITH(ada-sharedlib,
3474         [  --with-ada-sharedlib=XX build Ada95 shared-library],
3475         [with_ada_sharedlib=$withval],
3476         [with_ada_sharedlib=no])
3477 AC_MSG_RESULT($with_ada_sharedlib)
3478
3479 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3480 MAKE_ADA_SHAREDLIB="#"
3481
3482 if test "x$with_ada_sharedlib" != xno
3483 then
3484         MAKE_ADA_SHAREDLIB=
3485         if test "x$with_ada_sharedlib" != xyes
3486         then
3487                 ADA_SHAREDLIB="$with_ada_sharedlib"
3488         fi
3489 fi
3490
3491 AC_SUBST(ADA_SHAREDLIB)
3492 AC_SUBST(MAKE_ADA_SHAREDLIB)
3493 ])dnl
3494 dnl ---------------------------------------------------------------------------
3495 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3496 dnl ------------------
3497 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3498 dnl libraries.
3499 AC_DEFUN([CF_WITH_CURSES_DIR],[
3500
3501 AC_MSG_CHECKING(for specific curses-directory)
3502 AC_ARG_WITH(curses-dir,
3503         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3504         [cf_cv_curses_dir=$withval],
3505         [cf_cv_curses_dir=no])
3506 AC_MSG_RESULT($cf_cv_curses_dir)
3507
3508 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3509 then
3510         CF_PATH_SYNTAX(withval)
3511         if test -d "$cf_cv_curses_dir"
3512         then
3513                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3514                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3515         fi
3516 fi
3517 ])dnl
3518 dnl ---------------------------------------------------------------------------
3519 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3520 dnl ------------------
3521 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3522 dnl "lib" prefix, e.g., because it used the dll naming convention.
3523 dnl
3524 dnl $1 = variable to set
3525 AC_DEFUN([CF_WITH_LIB_PREFIX],
3526 [
3527 AC_MSG_CHECKING(if you want to have a library-prefix)
3528 AC_ARG_WITH(lib-prefix,
3529         [  --with-lib-prefix       override library-prefix],
3530         [with_lib_prefix=$withval],
3531         [with_lib_prefix=auto])
3532 AC_MSG_RESULT($with_lib_prefix)
3533
3534 if test $with_lib_prefix = auto
3535 then
3536         CF_LIB_PREFIX($1)
3537 elif test $with_lib_prefix = no
3538 then
3539         LIB_PREFIX=
3540 else
3541         LIB_PREFIX=$with_lib_prefix
3542 fi
3543 ])dnl
3544 dnl ---------------------------------------------------------------------------
3545 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3546 dnl ------------
3547 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3548 dnl defaulting to yes/no.
3549 dnl
3550 dnl $1 = option name
3551 dnl $2 = help-text
3552 dnl $3 = environment variable to set
3553 dnl $4 = default value, shown in the help-message, must be a constant
3554 dnl $5 = default value, if it's an expression & cannot be in the help-message
3555 dnl
3556 AC_DEFUN([CF_WITH_PATH],
3557 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3558 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3559 if ifelse([$5],,true,[test -n "$5"]) ; then
3560 CF_PATH_SYNTAX(withval)
3561 fi
3562 eval $3="$withval"
3563 AC_SUBST($3)dnl
3564 ])dnl
3565 dnl ---------------------------------------------------------------------------
3566 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3567 dnl -------------------------
3568 dnl Allow the choice of the pkg-config library directory to be overridden.
3569 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3570 if test "$PKG_CONFIG" != none ; then
3571         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3572         AC_ARG_WITH(pkg-config-libdir,
3573                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3574                 [PKG_CONFIG_LIBDIR=$withval],
3575                 [PKG_CONFIG_LIBDIR=yes])
3576
3577         case x$PKG_CONFIG_LIBDIR in #(vi
3578         x/*) #(vi
3579                 ;;
3580         xyes) #(vi
3581                 # look for the library directory using the same prefix as the executable
3582                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3583                 case x`(arch) 2>/dev/null` in #(vi
3584                 *64) #(vi
3585                         for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3586                         do
3587                                 if test -d $cf_config/pkgconfig
3588                                 then
3589                                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3590                                         break
3591                                 fi
3592                         done
3593                         ;;
3594                 *)
3595                         PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3596                         ;;
3597                 esac
3598                 ;;
3599         *)
3600                 ;;
3601         esac
3602
3603         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3604 fi
3605
3606 AC_SUBST(PKG_CONFIG_LIBDIR)
3607 ])dnl
3608 dnl ---------------------------------------------------------------------------
3609 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3610 dnl ---------------
3611 dnl Check for POSIX thread library.
3612 AC_DEFUN([CF_WITH_PTHREAD],
3613 [
3614 AC_MSG_CHECKING(if you want to link with the pthread library)
3615 AC_ARG_WITH(pthread,
3616     [  --with-pthread          use POSIX thread library],
3617     [with_pthread=$withval],
3618     [with_pthread=no])
3619 AC_MSG_RESULT($with_pthread)
3620
3621 if test "$with_pthread" != no ; then
3622     AC_CHECK_HEADER(pthread.h,[
3623         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3624
3625         for cf_lib_pthread in pthread c_r
3626         do
3627             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3628             cf_save_LIBS="$LIBS"
3629             CF_ADD_LIB($cf_lib_pthread)
3630             AC_TRY_LINK([
3631 #include <pthread.h>
3632 ],[
3633                 int rc = pthread_create(0,0,0,0);
3634                 int r2 = pthread_mutexattr_settype(0, 0);
3635 ],[with_pthread=yes],[with_pthread=no])
3636             LIBS="$cf_save_LIBS"
3637             AC_MSG_RESULT($with_pthread)
3638             test "$with_pthread" = yes && break
3639         done
3640
3641         if test "$with_pthread" = yes ; then
3642             CF_ADD_LIB($cf_lib_pthread)
3643             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3644         else
3645             AC_MSG_ERROR(Cannot link with pthread library)
3646         fi
3647     ])
3648 fi
3649 ])
3650 dnl ---------------------------------------------------------------------------
3651 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3652 dnl ---------------
3653 dnl For testing, override the derived host system-type which is used to decide
3654 dnl things such as the linker commands used to build shared libraries.  This is
3655 dnl normally chosen automatically based on the type of system which you are
3656 dnl building on.  We use it for testing the configure script.
3657 dnl
3658 dnl This is different from the --host option: it is used only for testing parts
3659 dnl of the configure script which would not be reachable with --host since that
3660 dnl relies on the build environment being real, rather than mocked up.
3661 AC_DEFUN([CF_WITH_SYSTYPE],[
3662 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3663 AC_ARG_WITH(system-type,
3664         [  --with-system-type=XXX  test: override derived host system-type],
3665 [AC_MSG_WARN(overriding system type to $withval)
3666         cf_cv_system_name=$withval
3667         host_os=$withval
3668 ])
3669 ])dnl
3670 dnl ---------------------------------------------------------------------------
3671 dnl CF_XOPEN_SOURCE version: 43 updated: 2013/02/10 10:41:05
3672 dnl ---------------
3673 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3674 dnl or adapt to the vendor's definitions to get equivalent functionality,
3675 dnl without losing the common non-POSIX features.
3676 dnl
3677 dnl Parameters:
3678 dnl     $1 is the nominal value for _XOPEN_SOURCE
3679 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3680 AC_DEFUN([CF_XOPEN_SOURCE],[
3681 AC_REQUIRE([AC_CANONICAL_HOST])
3682
3683 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3684 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3685 cf_xopen_source=
3686
3687 case $host_os in #(vi
3688 aix[[4-7]]*) #(vi
3689         cf_xopen_source="-D_ALL_SOURCE"
3690         ;;
3691 cygwin) #(vi
3692         cf_XOPEN_SOURCE=600
3693         ;;
3694 darwin[[0-8]].*) #(vi
3695         cf_xopen_source="-D_APPLE_C_SOURCE"
3696         ;;
3697 darwin*) #(vi
3698         cf_xopen_source="-D_DARWIN_C_SOURCE"
3699         cf_XOPEN_SOURCE=
3700         ;;
3701 freebsd*|dragonfly*) #(vi
3702         # 5.x headers associate
3703         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3704         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3705         cf_POSIX_C_SOURCE=200112L
3706         cf_XOPEN_SOURCE=600
3707         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3708         ;;
3709 hpux11*) #(vi
3710         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3711         ;;
3712 hpux*) #(vi
3713         cf_xopen_source="-D_HPUX_SOURCE"
3714         ;;
3715 irix[[56]].*) #(vi
3716         cf_xopen_source="-D_SGI_SOURCE"
3717         cf_XOPEN_SOURCE=
3718         ;;
3719 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3720         CF_GNU_SOURCE
3721         ;;
3722 mirbsd*) #(vi
3723         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3724         cf_XOPEN_SOURCE=
3725         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3726         ;;
3727 netbsd*) #(vi
3728         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3729         ;;
3730 openbsd[[4-9]]*) #(vi
3731         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3732         cf_xopen_source="-D_BSD_SOURCE"
3733         cf_XOPEN_SOURCE=600
3734         ;;
3735 openbsd*) #(vi
3736         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3737         ;;
3738 osf[[45]]*) #(vi
3739         cf_xopen_source="-D_OSF_SOURCE"
3740         ;;
3741 nto-qnx*) #(vi
3742         cf_xopen_source="-D_QNX_SOURCE"
3743         ;;
3744 sco*) #(vi
3745         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3746         ;;
3747 solaris2.*) #(vi
3748         cf_xopen_source="-D__EXTENSIONS__"
3749         ;;
3750 *)
3751         CF_TRY_XOPEN_SOURCE
3752         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3753         ;;
3754 esac
3755
3756 if test -n "$cf_xopen_source" ; then
3757         CF_ADD_CFLAGS($cf_xopen_source)
3758 fi
3759
3760 dnl In anything but the default case, we may have system-specific setting
3761 dnl which is still not guaranteed to provide all of the entrypoints that
3762 dnl _XOPEN_SOURCE would yield.
3763 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3764         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3765         AC_TRY_COMPILE([#include <stdlib.h>],[
3766 #ifndef _XOPEN_SOURCE
3767 make an error
3768 #endif],
3769         [cf_XOPEN_SOURCE_set=yes],
3770         [cf_XOPEN_SOURCE_set=no])
3771         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3772         if test $cf_XOPEN_SOURCE_set = yes
3773         then
3774                 AC_TRY_COMPILE([#include <stdlib.h>],[
3775 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3776 make an error
3777 #endif],
3778                 [cf_XOPEN_SOURCE_set_ok=yes],
3779                 [cf_XOPEN_SOURCE_set_ok=no])
3780                 if test $cf_XOPEN_SOURCE_set_ok = no
3781                 then
3782                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3783                 fi
3784         else
3785                 CF_TRY_XOPEN_SOURCE
3786         fi
3787 fi
3788 ])