Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 2010-2013,2014 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 1.98 2015/04/25 09:52:32 tom Exp $
  32 dnl Macros used in NCURSES Ada95 auto-configuration script.
  33 dnl
  34 dnl These macros are maintained separately from NCURSES.  The copyright on
  35 dnl this file applies to the aggregation of macros and does not affect use of
  36 dnl these macros in other applications.
  37 dnl
  38 dnl See http://invisible-island.net/autoconf/ for additional information.
  39 dnl
  40 dnl ---------------------------------------------------------------------------
  41 dnl ---------------------------------------------------------------------------
  42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
  43 dnl ------------------
  44 dnl Conditionally generate script according to whether we're using a given autoconf.
  45 dnl
  46 dnl $1 = version to compare against
  47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  48 dnl $3 = code to use if AC_ACVERSION is older than $1.
  49 define([CF_ACVERSION_CHECK],
  50 [
  51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
  52 ifdef([m4_version_compare],
  53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  54 [CF_ACVERSION_COMPARE(
  55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  57 dnl ---------------------------------------------------------------------------
  58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
  59 dnl --------------------
  60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  61 dnl                      MAJOR2, MINOR2, TERNARY2,
  62 dnl                      PRINTABLE2, not FOUND, FOUND)
  63 define([CF_ACVERSION_COMPARE],
  64 [ifelse(builtin([eval], [$2 < $5]), 1,
  65 [ifelse([$8], , ,[$8])],
  66 [ifelse([$9], , ,[$9])])])dnl
  67 dnl ---------------------------------------------------------------------------
  68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
  69 dnl -------------------
  70 dnl Construct the list of include-options for the C programs in the Ada95
  71 dnl binding.
  72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  73 [
  74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  75 if test "$srcdir" != "."; then
  76         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
  77 fi
  78 if test "$GCC" != yes; then
  79         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  80 elif test "$includedir" != "/usr/include"; then
  81         if test "$includedir" = '${prefix}/include' ; then
  82                 if test x$prefix != x/usr ; then
  83                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  84                 fi
  85         else
  86                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
  87         fi
  88 fi
  89 AC_SUBST(ACPPFLAGS)
  90 ])dnl
  91 dnl ---------------------------------------------------------------------------
  92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
  93 dnl ---------------
  94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
  95 AC_DEFUN([CF_ADD_ADAFLAGS],[
  96         ADAFLAGS="$ADAFLAGS $1"
  97         AC_SUBST(ADAFLAGS)
  98 ])dnl
  99 dnl ---------------------------------------------------------------------------
 100 dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00
 101 dnl -------------
 102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 103 dnl The second parameter if given makes this macro verbose.
 104 dnl
 105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 107 dnl confused by the quotes (which require backslashes to keep them usable).
 108 AC_DEFUN([CF_ADD_CFLAGS],
 109 [
 110 cf_fix_cppflags=no
 111 cf_new_cflags=
 112 cf_new_cppflags=
 113 cf_new_extra_cppflags=
 114
 115 for cf_add_cflags in $1
 116 do
 117 case $cf_fix_cppflags in
 118 (no)
 119         case $cf_add_cflags in
 120         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 121                 case $cf_add_cflags in
 122                 (-D*)
 123                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 124
 125                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 126                                 && test -z "${cf_tst_cflags}" \
 127                                 && cf_fix_cppflags=yes
 128
 129                         if test $cf_fix_cppflags = yes ; then
 130                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 131                                 continue
 132                         elif test "${cf_tst_cflags}" = "\"'" ; then
 133                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 134                                 continue
 135                         fi
 136                         ;;
 137                 esac
 138                 case "$CPPFLAGS" in
 139                 (*$cf_add_cflags)
 140                         ;;
 141                 (*)
 142                         case $cf_add_cflags in
 143                         (-D*)
 144                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 145                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 146                                 ;;
 147                         esac
 148                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 149                         ;;
 150                 esac
 151                 ;;
 152         (*)
 153                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 154                 ;;
 155         esac
 156         ;;
 157 (yes)
 158         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 159
 160         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 161
 162         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 163                 && test -z "${cf_tst_cflags}" \
 164                 && cf_fix_cppflags=no
 165         ;;
 166 esac
 167 done
 168
 169 if test -n "$cf_new_cflags" ; then
 170         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 171         CFLAGS="$CFLAGS $cf_new_cflags"
 172 fi
 173
 174 if test -n "$cf_new_cppflags" ; then
 175         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 176         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 177 fi
 178
 179 if test -n "$cf_new_extra_cppflags" ; then
 180         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 181         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 182 fi
 183
 184 AC_SUBST(EXTRA_CPPFLAGS)
 185
 186 ])dnl
 187 dnl ---------------------------------------------------------------------------
 188 dnl CF_ADD_INCDIR version: 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: 10 updated: 2015/04/18 08:56:57
 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: 2 updated: 2014/07/13 14:33:27
 290 dnl -----------
 291 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 292 dnl prepended to an existing list, since their dependencies are assumed to
 293 dnl already exist in the list.
 294 dnl
 295 dnl $1 = libraries to add, with the "-l", etc.
 296 dnl $2 = variable to update (default $LIBS)
 297 AC_DEFUN([CF_ADD_LIBS],[
 298 cf_add_libs="$1"
 299 # Filter out duplicates - this happens with badly-designed ".pc" files...
 300 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 301 do
 302         for cf_add_2lib in $cf_add_libs
 303         do
 304                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 305                 then
 306                         cf_add_1lib=
 307                         break
 308                 fi
 309         done
 310         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 311 done
 312 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 313 ])dnl
 314 dnl ---------------------------------------------------------------------------
 315 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 316 dnl ------------------
 317 dnl Append to a search-list for a nonstandard header/lib-file
 318 dnl     $1 = the variable to return as result
 319 dnl     $2 = the package name
 320 dnl     $3 = the subdirectory, e.g., bin, include or lib
 321 dnl $4 = the directory under which we will test for subdirectories
 322 dnl $5 = a directory that we do not want $4 to match
 323 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 324 [
 325 test "x$4" != "x$5" && \
 326 test -d "$4" && \
 327 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 328         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 329         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 330         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 331         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 332         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 333         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 334 }
 335 ])dnl
 336 dnl ---------------------------------------------------------------------------
 337 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 338 dnl --------------
 339 dnl Allow user to disable a normally-on option.
 340 AC_DEFUN([CF_ARG_DISABLE],
 341 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 342 dnl ---------------------------------------------------------------------------
 343 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 344 dnl -------------
 345 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 346 dnl values.
 347 dnl
 348 dnl Parameters:
 349 dnl $1 = option name
 350 dnl $2 = help-string
 351 dnl $3 = action to perform if option is not default
 352 dnl $4 = action if perform if option is default
 353 dnl $5 = default option value (either 'yes' or 'no')
 354 AC_DEFUN([CF_ARG_OPTION],
 355 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 356   if test "$enableval" != "$5" ; then
 357 ifelse([$3],,[    :]dnl
 358 ,[    $3]) ifelse([$4],,,[
 359   else
 360     $4])
 361   fi],[enableval=$5 ifelse([$4],,,[
 362   $4
 363 ])dnl
 364   ])])dnl
 365 dnl ---------------------------------------------------------------------------
 366 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 367 dnl -----------
 368 dnl Check for suitable "ar" (archiver) options for updating an archive.
 369 AC_DEFUN([CF_AR_FLAGS],[
 370 AC_REQUIRE([CF_PROG_AR])
 371
 372 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 373         cf_cv_ar_flags=unknown
 374         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 375         do
 376
 377                 # check if $ARFLAGS already contains this choice
 378                 if test "x$ARFLAGS" != "x" ; then
 379                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 380                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 381                                 cf_cv_ar_flags=
 382                                 break
 383                         fi
 384                 fi
 385
 386                 rm -f conftest.$ac_cv_objext
 387                 rm -f conftest.a
 388
 389                 cat >conftest.$ac_ext <<EOF
 390 #line __oline__ "configure"
 391 int     testdata[[3]] = { 123, 456, 789 };
 392 EOF
 393                 if AC_TRY_EVAL(ac_compile) ; then
 394                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 395                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 396                         if test -f conftest.a ; then
 397                                 cf_cv_ar_flags=$cf_ar_flags
 398                                 break
 399                         fi
 400                 else
 401                         CF_VERBOSE(cannot compile test-program)
 402                         break
 403                 fi
 404         done
 405         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 406 ])
 407
 408 if test -n "$ARFLAGS" ; then
 409         if test -n "$cf_cv_ar_flags" ; then
 410                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 411         fi
 412 else
 413         ARFLAGS=$cf_cv_ar_flags
 414 fi
 415
 416 AC_SUBST(ARFLAGS)
 417 ])
 418 dnl ---------------------------------------------------------------------------
 419 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 420 dnl -----------
 421 dnl If we're cross-compiling, allow the user to override the tools and their
 422 dnl options.  The configure script is oriented toward identifying the host
 423 dnl compiler, etc., but we need a build compiler to generate parts of the
 424 dnl source.
 425 dnl
 426 dnl $1 = default for $CPPFLAGS
 427 dnl $2 = default for $LIBS
 428 AC_DEFUN([CF_BUILD_CC],[
 429 CF_ACVERSION_CHECK(2.52,,
 430         [AC_REQUIRE([CF_PROG_EXT])])
 431 if test "$cross_compiling" = yes ; then
 432
 433         # defaults that we might want to override
 434         : ${BUILD_CFLAGS:=''}
 435         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 436         : ${BUILD_LDFLAGS:=''}
 437         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 438         : ${BUILD_EXEEXT:='$x'}
 439         : ${BUILD_OBJEXT:='o'}
 440
 441         AC_ARG_WITH(build-cc,
 442                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 443                 [BUILD_CC="$withval"],
 444                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 445         AC_MSG_CHECKING(for native build C compiler)
 446         AC_MSG_RESULT($BUILD_CC)
 447
 448         AC_MSG_CHECKING(for native build C preprocessor)
 449         AC_ARG_WITH(build-cpp,
 450                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 451                 [BUILD_CPP="$withval"],
 452                 [BUILD_CPP='${BUILD_CC} -E'])
 453         AC_MSG_RESULT($BUILD_CPP)
 454
 455         AC_MSG_CHECKING(for native build C flags)
 456         AC_ARG_WITH(build-cflags,
 457                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 458                 [BUILD_CFLAGS="$withval"])
 459         AC_MSG_RESULT($BUILD_CFLAGS)
 460
 461         AC_MSG_CHECKING(for native build C preprocessor-flags)
 462         AC_ARG_WITH(build-cppflags,
 463                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 464                 [BUILD_CPPFLAGS="$withval"])
 465         AC_MSG_RESULT($BUILD_CPPFLAGS)
 466
 467         AC_MSG_CHECKING(for native build linker-flags)
 468         AC_ARG_WITH(build-ldflags,
 469                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 470                 [BUILD_LDFLAGS="$withval"])
 471         AC_MSG_RESULT($BUILD_LDFLAGS)
 472
 473         AC_MSG_CHECKING(for native build linker-libraries)
 474         AC_ARG_WITH(build-libs,
 475                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 476                 [BUILD_LIBS="$withval"])
 477         AC_MSG_RESULT($BUILD_LIBS)
 478
 479         # this assumes we're on Unix.
 480         BUILD_EXEEXT=
 481         BUILD_OBJEXT=o
 482
 483         : ${BUILD_CC:='${CC}'}
 484
 485         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 486                 AC_MSG_ERROR([Cross-build requires two compilers.
 487 Use --with-build-cc to specify the native compiler.])
 488         fi
 489
 490 else
 491         : ${BUILD_CC:='${CC}'}
 492         : ${BUILD_CPP:='${CPP}'}
 493         : ${BUILD_CFLAGS:='${CFLAGS}'}
 494         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 495         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 496         : ${BUILD_LIBS:='${LIBS}'}
 497         : ${BUILD_EXEEXT:='$x'}
 498         : ${BUILD_OBJEXT:='o'}
 499 fi
 500
 501 AC_SUBST(BUILD_CC)
 502 AC_SUBST(BUILD_CPP)
 503 AC_SUBST(BUILD_CFLAGS)
 504 AC_SUBST(BUILD_CPPFLAGS)
 505 AC_SUBST(BUILD_LDFLAGS)
 506 AC_SUBST(BUILD_LIBS)
 507 AC_SUBST(BUILD_EXEEXT)
 508 AC_SUBST(BUILD_OBJEXT)
 509 ])dnl
 510 dnl ---------------------------------------------------------------------------
 511 dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
 512 dnl ---------------
 513 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 514 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 515 dnl options, but eliminates a more common category of user confusion.
 516 AC_DEFUN([CF_CC_ENV_FLAGS],
 517 [
 518 # This should have been defined by AC_PROG_CC
 519 : ${CC:=cc}
 520
 521 AC_MSG_CHECKING(\$CC variable)
 522 case "$CC" in
 523 (*[[\ \ ]]-[[IUD]]*)
 524         AC_MSG_RESULT(broken)
 525         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 526         # humor him...
 527         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 528         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 529         CF_ADD_CFLAGS($cf_flags)
 530         ;;
 531 (*)
 532         AC_MSG_RESULT(ok)
 533         ;;
 534 esac
 535 ])dnl
 536 dnl ---------------------------------------------------------------------------
 537 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 538 dnl ---------------
 539 dnl Determine the default configuration into which we'll install ncurses.  This
 540 dnl can be overridden by the user's command-line options.  There's two items to
 541 dnl look for:
 542 dnl     1. the prefix (e.g., /usr)
 543 dnl     2. the header files (e.g., /usr/include/ncurses)
 544 dnl We'll look for a previous installation of ncurses and use the same defaults.
 545 dnl
 546 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 547 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 548 dnl programs from a vendor's.
 549 AC_DEFUN([CF_CFG_DEFAULTS],
 550 [
 551 AC_MSG_CHECKING(for prefix)
 552 if test "x$prefix" = "xNONE" ; then
 553         case "$cf_cv_system_name" in
 554                 # non-vendor systems don't have a conflict
 555         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 556                 prefix=/usr
 557                 ;;
 558         (*)     prefix=$ac_default_prefix
 559                 ;;
 560         esac
 561 fi
 562 AC_MSG_RESULT($prefix)
 563
 564 if test "x$prefix" = "xNONE" ; then
 565 AC_MSG_CHECKING(for default include-directory)
 566 test -n "$verbose" && echo 1>&AC_FD_MSG
 567 for cf_symbol in \
 568         $includedir \
 569         $includedir/ncurses \
 570         $prefix/include \
 571         $prefix/include/ncurses \
 572         /usr/local/include \
 573         /usr/local/include/ncurses \
 574         /usr/include \
 575         /usr/include/ncurses
 576 do
 577         cf_dir=`eval echo $cf_symbol`
 578         if test -f $cf_dir/curses.h ; then
 579         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 580                 includedir="$cf_symbol"
 581                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 582                 break
 583         fi
 584         fi
 585         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 586 done
 587 AC_MSG_RESULT($includedir)
 588 fi
 589 ])dnl
 590 dnl ---------------------------------------------------------------------------
 591 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 592 dnl --------------
 593 dnl Check if we're accidentally using a cache from a different machine.
 594 dnl Derive the system name, as a check for reusing the autoconf cache.
 595 dnl
 596 dnl If we've packaged config.guess and config.sub, run that (since it does a
 597 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 598 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 599 dnl which is useful in cross-compiles.
 600 dnl
 601 dnl Note: we would use $ac_config_sub, but that is one of the places where
 602 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 603 AC_DEFUN([CF_CHECK_CACHE],
 604 [
 605 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 606         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 607         system_name="$host_os"
 608 else
 609         system_name="`(uname -s -r) 2>/dev/null`"
 610         if test -z "$system_name" ; then
 611                 system_name="`(hostname) 2>/dev/null`"
 612         fi
 613 fi
 614 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 615 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 616
 617 test -z "$system_name" && system_name="$cf_cv_system_name"
 618 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 619
 620 if test ".$system_name" != ".$cf_cv_system_name" ; then
 621         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 622         AC_MSG_ERROR("Please remove config.cache and try again.")
 623 fi
 624 ])dnl
 625 dnl ---------------------------------------------------------------------------
 626 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 627 dnl -----------------
 628 dnl Check if the given compiler is really clang.  clang's C driver defines
 629 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 630 dnl not ignore some gcc options.
 631 dnl
 632 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 633 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 634 dnl the wrappers for gcc and g++ warnings.
 635 dnl
 636 dnl $1 = GCC (default) or GXX
 637 dnl $2 = CLANG_COMPILER (default)
 638 dnl $3 = CFLAGS (default) or CXXFLAGS
 639 AC_DEFUN([CF_CLANG_COMPILER],[
 640 ifelse([$2],,CLANG_COMPILER,[$2])=no
 641
 642 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 643         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 644         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 645         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 646         AC_TRY_COMPILE([],[
 647 #ifdef __clang__
 648 #else
 649 make an error
 650 #endif
 651 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 652 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 653 ],[])
 654         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 655         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 656 fi
 657 ])
 658 dnl ---------------------------------------------------------------------------
 659 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 660 dnl ----------------
 661 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 662 dnl variations of ncurses' installs.
 663 dnl
 664 dnl $1 = ncurses when looking for ncurses, or is empty
 665 AC_DEFUN([CF_CURSES_HEADER],[
 666 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 667 cf_cv_ncurses_header=none
 668 for cf_header in \
 669         ncurses.h ifelse($1,,,[$1/ncurses.h]) \
 670         curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 671 do
 672 AC_TRY_COMPILE([#include <${cf_header}>],
 673         [initscr(); tgoto("?", 0,0)],
 674         [cf_cv_ncurses_header=$cf_header; break],[])
 675 done
 676 ])
 677
 678 if test "$cf_cv_ncurses_header" = none ; then
 679         AC_MSG_ERROR(No curses header-files found)
 680 fi
 681
 682 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 683 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 684 ])dnl
 685 dnl ---------------------------------------------------------------------------
 686 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
 687 dnl ----------
 688 dnl "dirname" is not portable, so we fake it with a shell script.
 689 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 690 dnl ---------------------------------------------------------------------------
 691 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 692 dnl ---------------
 693 dnl You can always use "make -n" to see the actual options, but it's hard to
 694 dnl pick out/analyze warning messages when the compile-line is long.
 695 dnl
 696 dnl Sets:
 697 dnl     ECHO_LT - symbol to control if libtool is verbose
 698 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 699 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 700 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 701 dnl     ECHO_CC - symbol to put before any "cc" line
 702 dnl
 703 AC_DEFUN([CF_DISABLE_ECHO],[
 704 AC_MSG_CHECKING(if you want to see long compiling messages)
 705 CF_ARG_DISABLE(echo,
 706         [  --disable-echo          do not display "compiling" commands],
 707         [
 708         ECHO_LT='--silent'
 709         ECHO_LD='@echo linking [$]@;'
 710         RULE_CC='@echo compiling [$]<'
 711         SHOW_CC='@echo compiling [$]@'
 712         ECHO_CC='@'
 713 ],[
 714         ECHO_LT=''
 715         ECHO_LD=''
 716         RULE_CC=''
 717         SHOW_CC=''
 718         ECHO_CC=''
 719 ])
 720 AC_MSG_RESULT($enableval)
 721 AC_SUBST(ECHO_LT)
 722 AC_SUBST(ECHO_LD)
 723 AC_SUBST(RULE_CC)
 724 AC_SUBST(SHOW_CC)
 725 AC_SUBST(ECHO_CC)
 726 ])dnl
 727 dnl ---------------------------------------------------------------------------
 728 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
 729 dnl ------------------------
 730 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
 731 AC_MSG_CHECKING(if we want to use GNAT projects)
 732 CF_ARG_DISABLE(gnat-projects,
 733         [  --disable-gnat-projects test: disable GNAT projects even if usable],
 734         [enable_gnat_projects=no],
 735         [enable_gnat_projects=yes])
 736 AC_MSG_RESULT($enable_gnat_projects)
 737 ])dnl
 738 dnl ---------------------------------------------------------------------------
 739 dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
 740 dnl ------------------
 741 dnl This is the "--enable-pc-files" option, which is available if there is a
 742 dnl pkg-config configuration on the local machine.
 743 AC_DEFUN([CF_ENABLE_PC_FILES],[
 744 AC_REQUIRE([CF_PKG_CONFIG])
 745 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
 746
 747 if test "x$PKG_CONFIG" != xnone
 748 then
 749         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
 750 else
 751         AC_MSG_CHECKING(if we should install .pc files)
 752 fi
 753
 754 AC_ARG_ENABLE(pc-files,
 755         [  --enable-pc-files       generate and install .pc files for pkg-config],
 756         [enable_pc_files=$enableval],
 757         [enable_pc_files=no])
 758 AC_MSG_RESULT($enable_pc_files)
 759
 760 if test "x$enable_pc_files" != xno
 761 then
 762         case "x$PKG_CONFIG_LIBDIR" in
 763         (xno|xyes)
 764                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
 765                 MAKE_PC_FILES="#"
 766                 ;;
 767         (*)
 768                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
 769                 MAKE_PC_FILES=
 770                 ;;
 771         esac
 772 else
 773         MAKE_PC_FILES="#"
 774 fi
 775 AC_SUBST(MAKE_PC_FILES)
 776 ])dnl
 777 dnl ---------------------------------------------------------------------------
 778 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 779 dnl ---------------
 780 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 781 dnl prefer a standard location, and use -L options only if we do not find the
 782 dnl library in the standard library location(s).
 783 dnl     $1 = library name
 784 dnl     $2 = library class, usually the same as library name
 785 dnl     $3 = includes
 786 dnl     $4 = code fragment to compile/link
 787 dnl     $5 = corresponding function-name
 788 dnl     $6 = flag, nonnull if failure should not cause an error-exit
 789 dnl
 790 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 791 dnl to use a -L option.
 792 AC_DEFUN([CF_FIND_LIBRARY],
 793 [
 794         eval 'cf_cv_have_lib_'$1'=no'
 795         cf_libdir=""
 796         AC_CHECK_FUNC($5,
 797                 eval 'cf_cv_have_lib_'$1'=yes',[
 798                 cf_save_LIBS="$LIBS"
 799                 AC_MSG_CHECKING(for $5 in -l$1)
 800                 LIBS="-l$1 $LIBS"
 801                 AC_TRY_LINK([$3],[$4],
 802                         [AC_MSG_RESULT(yes)
 803                          eval 'cf_cv_have_lib_'$1'=yes'
 804                         ],
 805                         [AC_MSG_RESULT(no)
 806                         CF_LIBRARY_PATH(cf_search,$2)
 807                         for cf_libdir in $cf_search
 808                         do
 809                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
 810                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 811                                 AC_TRY_LINK([$3],[$4],
 812                                         [AC_MSG_RESULT(yes)
 813                                          eval 'cf_cv_have_lib_'$1'=yes'
 814                                          break],
 815                                         [AC_MSG_RESULT(no)
 816                                          LIBS="$cf_save_LIBS"])
 817                         done
 818                         ])
 819                 ])
 820 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 821 ifelse($6,,[
 822 if test $cf_found_library = no ; then
 823         AC_MSG_ERROR(Cannot link $1 library)
 824 fi
 825 ])
 826 ])dnl
 827 dnl ---------------------------------------------------------------------------
 828 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
 829 dnl ---------------
 830 dnl Find a library (specifically the linkage used in the code fragment),
 831 dnl searching for it if it is not already in the library path.
 832 dnl See also CF_ADD_SEARCHPATH.
 833 dnl
 834 dnl Parameters (4-on are optional):
 835 dnl     $1 = headers for library entrypoint
 836 dnl     $2 = code fragment for library entrypoint
 837 dnl     $3 = the library name without the "-l" option or ".so" suffix.
 838 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
 839 dnl     $5 = action to perform if not successful
 840 dnl     $6 = module name, if not the same as the library name
 841 dnl     $7 = extra libraries
 842 dnl
 843 dnl Sets these variables:
 844 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
 845 dnl     $cf_cv_header_path_$3 - include-directory if needed
 846 dnl     $cf_cv_library_path_$3 - library-directory if needed
 847 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
 848 AC_DEFUN([CF_FIND_LINKAGE],[
 849
 850 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 851 # will be set on completion of the AC_TRY_LINK below.
 852 cf_cv_header_path_$3=
 853 cf_cv_library_path_$3=
 854
 855 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 856
 857 cf_save_LIBS="$LIBS"
 858
 859 AC_TRY_LINK([$1],[$2],[
 860         cf_cv_find_linkage_$3=yes
 861         cf_cv_header_path_$3=/usr/include
 862         cf_cv_library_path_$3=/usr/lib
 863 ],[
 864
 865 LIBS="-l$3 $7 $cf_save_LIBS"
 866
 867 AC_TRY_LINK([$1],[$2],[
 868         cf_cv_find_linkage_$3=yes
 869         cf_cv_header_path_$3=/usr/include
 870         cf_cv_library_path_$3=/usr/lib
 871         cf_cv_library_file_$3="-l$3"
 872 ],[
 873         cf_cv_find_linkage_$3=no
 874         LIBS="$cf_save_LIBS"
 875
 876         CF_VERBOSE(find linkage for $3 library)
 877         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
 878
 879         cf_save_CPPFLAGS="$CPPFLAGS"
 880         cf_test_CPPFLAGS="$CPPFLAGS"
 881
 882         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 883         for cf_cv_header_path_$3 in $cf_search
 884         do
 885                 if test -d $cf_cv_header_path_$3 ; then
 886                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
 887                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
 888                         AC_TRY_COMPILE([$1],[$2],[
 889                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
 890                                 cf_cv_find_linkage_$3=maybe
 891                                 cf_test_CPPFLAGS="$CPPFLAGS"
 892                                 break],[
 893                                 CPPFLAGS="$cf_save_CPPFLAGS"
 894                                 ])
 895                 fi
 896         done
 897
 898         if test "$cf_cv_find_linkage_$3" = maybe ; then
 899
 900                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
 901
 902                 cf_save_LIBS="$LIBS"
 903                 cf_save_LDFLAGS="$LDFLAGS"
 904
 905                 ifelse([$6],,,[
 906                 CPPFLAGS="$cf_test_CPPFLAGS"
 907                 LIBS="-l$3 $7 $cf_save_LIBS"
 908                 AC_TRY_LINK([$1],[$2],[
 909                         CF_VERBOSE(... found $3 library in system)
 910                         cf_cv_find_linkage_$3=yes])
 911                         CPPFLAGS="$cf_save_CPPFLAGS"
 912                         LIBS="$cf_save_LIBS"
 913                         ])
 914
 915                 if test "$cf_cv_find_linkage_$3" != yes ; then
 916                         CF_LIBRARY_PATH(cf_search,$3)
 917                         for cf_cv_library_path_$3 in $cf_search
 918                         do
 919                                 if test -d $cf_cv_library_path_$3 ; then
 920                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
 921                                         CPPFLAGS="$cf_test_CPPFLAGS"
 922                                         LIBS="-l$3 $7 $cf_save_LIBS"
 923                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
 924                                         AC_TRY_LINK([$1],[$2],[
 925                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
 926                                         cf_cv_find_linkage_$3=yes
 927                                         cf_cv_library_file_$3="-l$3"
 928                                         break],[
 929                                         CPPFLAGS="$cf_save_CPPFLAGS"
 930                                         LIBS="$cf_save_LIBS"
 931                                         LDFLAGS="$cf_save_LDFLAGS"
 932                                         ])
 933                                 fi
 934                         done
 935                         CPPFLAGS="$cf_save_CPPFLAGS"
 936                         LDFLAGS="$cf_save_LDFLAGS"
 937                 fi
 938
 939         else
 940                 cf_cv_find_linkage_$3=no
 941         fi
 942         ],$7)
 943 ])
 944
 945 LIBS="$cf_save_LIBS"
 946
 947 if test "$cf_cv_find_linkage_$3" = yes ; then
 948 ifelse([$4],,[
 949         CF_ADD_INCDIR($cf_cv_header_path_$3)
 950         CF_ADD_LIBDIR($cf_cv_library_path_$3)
 951         CF_ADD_LIB($3)
 952 ],[$4])
 953 else
 954 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 955 fi
 956 ])dnl
 957 dnl ---------------------------------------------------------------------------
 958 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
 959 dnl -----------------
 960 dnl make ADAFLAGS consistent with CFLAGS
 961 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
 962         AC_MSG_CHECKING(optimization options for ADAFLAGS)
 963         case "$CFLAGS" in
 964         (*-g*)
 965                 CF_ADD_ADAFLAGS(-g)
 966                 ;;
 967         esac
 968         case "$CFLAGS" in
 969         (*-O*)
 970                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
 971                 CF_ADD_ADAFLAGS($cf_O_flag)
 972                 ;;
 973         esac
 974         AC_MSG_RESULT($ADAFLAGS)
 975 ])dnl
 976 dnl ---------------------------------------------------------------------------
 977 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
 978 dnl -----------------
 979 dnl Test for availability of useful gcc __attribute__ directives to quiet
 980 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 981 dnl to documentation, unrecognized directives cause older compilers to barf.
 982 AC_DEFUN([CF_GCC_ATTRIBUTES],
 983 [
 984 if test "$GCC" = yes
 985 then
 986 cat > conftest.i <<EOF
 987 #ifndef GCC_PRINTF
 988 #define GCC_PRINTF 0
 989 #endif
 990 #ifndef GCC_SCANF
 991 #define GCC_SCANF 0
 992 #endif
 993 #ifndef GCC_NORETURN
 994 #define GCC_NORETURN /* nothing */
 995 #endif
 996 #ifndef GCC_UNUSED
 997 #define GCC_UNUSED /* nothing */
 998 #endif
 999 EOF
1000 if test "$GCC" = yes
1001 then
1002         AC_CHECKING([for $CC __attribute__ directives])
1003 cat > conftest.$ac_ext <<EOF
1004 #line __oline__ "${as_me:-configure}"
1005 #include "confdefs.h"
1006 #include "conftest.h"
1007 #include "conftest.i"
1008 #if     GCC_PRINTF
1009 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1010 #else
1011 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1012 #endif
1013 #if     GCC_SCANF
1014 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1015 #else
1016 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1017 #endif
1018 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1019 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1020 extern void foo(void) GCC_NORETURN;
1021 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1022 EOF
1023         cf_printf_attribute=no
1024         cf_scanf_attribute=no
1025         for cf_attribute in scanf printf unused noreturn
1026         do
1027                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1028                 cf_directive="__attribute__(($cf_attribute))"
1029                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1030
1031                 case $cf_attribute in
1032                 (printf)
1033                         cf_printf_attribute=yes
1034                         cat >conftest.h <<EOF
1035 #define GCC_$cf_ATTRIBUTE 1
1036 EOF
1037                         ;;
1038                 (scanf)
1039                         cf_scanf_attribute=yes
1040                         cat >conftest.h <<EOF
1041 #define GCC_$cf_ATTRIBUTE 1
1042 EOF
1043                         ;;
1044                 (*)
1045                         cat >conftest.h <<EOF
1046 #define GCC_$cf_ATTRIBUTE $cf_directive
1047 EOF
1048                         ;;
1049                 esac
1050
1051                 if AC_TRY_EVAL(ac_compile); then
1052                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1053                         cat conftest.h >>confdefs.h
1054                         case $cf_attribute in
1055                         (noreturn)
1056                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1057                                 ;;
1058                         (printf)
1059                                 cf_value='/* nothing */'
1060                                 if test "$cf_printf_attribute" != no ; then
1061                                         cf_value='__attribute__((format(printf,fmt,var)))'
1062                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1063                                 fi
1064                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1065                                 ;;
1066                         (scanf)
1067                                 cf_value='/* nothing */'
1068                                 if test "$cf_scanf_attribute" != no ; then
1069                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1070                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1071                                 fi
1072                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1073                                 ;;
1074                         (unused)
1075                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1076                                 ;;
1077                         esac
1078                 fi
1079         done
1080 else
1081         fgrep define conftest.i >>confdefs.h
1082 fi
1083 rm -rf conftest*
1084 fi
1085 ])dnl
1086 dnl ---------------------------------------------------------------------------
1087 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1088 dnl --------------
1089 dnl Find version of gcc
1090 AC_DEFUN([CF_GCC_VERSION],[
1091 AC_REQUIRE([AC_PROG_CC])
1092 GCC_VERSION=none
1093 if test "$GCC" = yes ; then
1094         AC_MSG_CHECKING(version of $CC)
1095         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1096         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1097         AC_MSG_RESULT($GCC_VERSION)
1098 fi
1099 ])dnl
1100 dnl ---------------------------------------------------------------------------
1101 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1102 dnl ---------------
1103 dnl Check if the compiler supports useful warning options.  There's a few that
1104 dnl we don't use, simply because they're too noisy:
1105 dnl
1106 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1107 dnl     -Wredundant-decls (system headers make this too noisy)
1108 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1109 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1110 dnl             is enabled for ncurses using "--enable-const".
1111 dnl     -pedantic
1112 dnl
1113 dnl Parameter:
1114 dnl     $1 is an optional list of gcc warning flags that a particular
1115 dnl             application might want to use, e.g., "no-unused" for
1116 dnl             -Wno-unused
1117 dnl Special:
1118 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1119 dnl
1120 AC_DEFUN([CF_GCC_WARNINGS],
1121 [
1122 AC_REQUIRE([CF_GCC_VERSION])
1123 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1124 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1125
1126 cat > conftest.$ac_ext <<EOF
1127 #line __oline__ "${as_me:-configure}"
1128 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1129 EOF
1130
1131 if test "$INTEL_COMPILER" = yes
1132 then
1133 # The "-wdXXX" options suppress warnings:
1134 # remark #1419: external declaration in primary source file
1135 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1136 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1137 # remark #193: zero used for undefined preprocessing identifier
1138 # remark #593: variable "curs_sb_left_arrow" was set but never used
1139 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1140 # remark #869: parameter "tw" was never referenced
1141 # remark #981: operands are evaluated in unspecified order
1142 # warning #279: controlling expression is constant
1143
1144         AC_CHECKING([for $CC warning options])
1145         cf_save_CFLAGS="$CFLAGS"
1146         EXTRA_CFLAGS="-Wall"
1147         for cf_opt in \
1148                 wd1419 \
1149                 wd1683 \
1150                 wd1684 \
1151                 wd193 \
1152                 wd593 \
1153                 wd279 \
1154                 wd810 \
1155                 wd869 \
1156                 wd981
1157         do
1158                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1159                 if AC_TRY_EVAL(ac_compile); then
1160                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1161                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1162                 fi
1163         done
1164         CFLAGS="$cf_save_CFLAGS"
1165
1166 elif test "$GCC" = yes
1167 then
1168         AC_CHECKING([for $CC warning options])
1169         cf_save_CFLAGS="$CFLAGS"
1170         EXTRA_CFLAGS=
1171         cf_warn_CONST=""
1172         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1173         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1174         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1175         for cf_opt in W Wall \
1176                 Wbad-function-cast \
1177                 Wcast-align \
1178                 Wcast-qual \
1179                 Wdeclaration-after-statement \
1180                 Wextra \
1181                 Winline \
1182                 Wmissing-declarations \
1183                 Wmissing-prototypes \
1184                 Wnested-externs \
1185                 Wpointer-arith \
1186                 Wshadow \
1187                 Wstrict-prototypes \
1188                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1189         do
1190                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1191                 if AC_TRY_EVAL(ac_compile); then
1192                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1193                         case $cf_opt in
1194                         (Wcast-qual)
1195                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1196                                 ;;
1197                         (Winline)
1198                                 case $GCC_VERSION in
1199                                 ([[34]].*)
1200                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1201                                         continue;;
1202                                 esac
1203                                 ;;
1204                         (Wpointer-arith)
1205                                 case $GCC_VERSION in
1206                                 ([[12]].*)
1207                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1208                                         continue;;
1209                                 esac
1210                                 ;;
1211                         esac
1212                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1213                 fi
1214         done
1215         CFLAGS="$cf_save_CFLAGS"
1216 fi
1217 rm -rf conftest*
1218
1219 AC_SUBST(EXTRA_CFLAGS)
1220 ])dnl
1221 dnl ---------------------------------------------------------------------------
1222 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1223 dnl -----------------
1224 AC_DEFUN([CF_GNATPREP_OPT_T],[
1225 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1226 cf_cv_gnatprep_opt_t=no
1227 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1228 ])
1229 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1230 AC_SUBST(GNATPREP_OPTS)
1231 ])dnl
1232 dnl ---------------------------------------------------------------------------
1233 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1234 dnl ----------------
1235 AC_DEFUN([CF_GNAT_GENERICS],
1236 [
1237 AC_REQUIRE([CF_GNAT_VERSION])
1238
1239 AC_MSG_CHECKING(if GNAT supports generics)
1240 case $cf_gnat_version in
1241 (3.[[1-9]]*|[[4-9]].*)
1242         cf_gnat_generics=yes
1243         ;;
1244 (*)
1245         cf_gnat_generics=no
1246         ;;
1247 esac
1248 AC_MSG_RESULT($cf_gnat_generics)
1249
1250 if test "$cf_gnat_generics" = yes
1251 then
1252         cf_compile_generics=generics
1253         cf_generic_objects="\${GENOBJS}"
1254 else
1255         cf_compile_generics=
1256         cf_generic_objects=
1257 fi
1258
1259 AC_SUBST(cf_compile_generics)
1260 AC_SUBST(cf_generic_objects)
1261 ])dnl
1262 dnl ---------------------------------------------------------------------------
1263 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
1264 dnl ----------------
1265 dnl GNAT projects are configured with ".gpr" project files.
1266 dnl GNAT libraries are a further development, using the project feature.
1267 AC_DEFUN([CF_GNAT_PROJECTS],
1268 [
1269 AC_REQUIRE([CF_GNAT_VERSION])
1270 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1271
1272 cf_gnat_libraries=no
1273 cf_gnat_projects=no
1274
1275 if test "$enable_gnat_projects" != no ; then
1276 AC_MSG_CHECKING(if GNAT supports project files)
1277 case $cf_gnat_version in
1278 (3.[[0-9]]*)
1279         ;;
1280 (*)
1281         case $cf_cv_system_name in
1282         (cygwin*|msys*)
1283                 ;;
1284         (*)
1285                 mkdir conftest.src conftest.bin conftest.lib
1286                 cd conftest.src
1287                 rm -rf conftest* *~conftest*
1288                 cat >>library.gpr <<CF_EOF
1289 project Library is
1290   Kind := External ("LIB_KIND");
1291   for Library_Name use "ConfTest";
1292   for Object_Dir use ".";
1293   for Library_ALI_Dir use External("LIBRARY_DIR");
1294   for Library_Version use External ("SONAME");
1295   for Library_Kind use Kind;
1296   for Library_Dir use External("BUILD_DIR");
1297   Source_Dir := External ("SOURCE_DIR");
1298   for Source_Dirs use (Source_Dir);
1299 end Library;
1300 CF_EOF
1301                 cat >>confpackage.ads <<CF_EOF
1302 package ConfPackage is
1303    procedure conftest;
1304 end ConfPackage;
1305 CF_EOF
1306                 cat >>confpackage.adb <<CF_EOF
1307 with Text_IO;
1308 package body ConfPackage is
1309    procedure conftest is
1310    begin
1311       Text_IO.Put ("Hello World");
1312       Text_IO.New_Line;
1313    end conftest;
1314 end ConfPackage;
1315 CF_EOF
1316                 if ( $cf_ada_make $ADAFLAGS \
1317                                 -Plibrary.gpr \
1318                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1319                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1320                                 -XSOURCE_DIR=`pwd` \
1321                                 -XSONAME=libConfTest.so.1 \
1322                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1323                         cf_gnat_projects=yes
1324                 fi
1325                 cd ..
1326                 if test -f conftest.lib/confpackage.ali
1327                 then
1328                         cf_gnat_libraries=yes
1329                 fi
1330                 rm -rf conftest* *~conftest*
1331                 ;;
1332         esac
1333         ;;
1334 esac
1335 AC_MSG_RESULT($cf_gnat_projects)
1336 fi # enable_gnat_projects
1337
1338 if test $cf_gnat_projects = yes
1339 then
1340         AC_MSG_CHECKING(if GNAT supports libraries)
1341         AC_MSG_RESULT($cf_gnat_libraries)
1342 fi
1343
1344 if test "$cf_gnat_projects" = yes
1345 then
1346         USE_OLD_MAKERULES="#"
1347         USE_GNAT_PROJECTS=""
1348 else
1349         USE_OLD_MAKERULES=""
1350         USE_GNAT_PROJECTS="#"
1351 fi
1352
1353 if test "$cf_gnat_libraries" = yes
1354 then
1355         USE_GNAT_LIBRARIES=""
1356 else
1357         USE_GNAT_LIBRARIES="#"
1358 fi
1359
1360 AC_SUBST(USE_OLD_MAKERULES)
1361 AC_SUBST(USE_GNAT_PROJECTS)
1362 AC_SUBST(USE_GNAT_LIBRARIES)
1363 ])dnl
1364 dnl ---------------------------------------------------------------------------
1365 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1366 dnl --------------
1367 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1368 dnl is noted that gnat may compile a tasking unit even for configurations which
1369 dnl fail at runtime.
1370 AC_DEFUN([CF_GNAT_SIGINT],[
1371 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1372 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1373
1374 package ConfTest is
1375
1376    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1377    pragma Unreserve_All_Interrupts;
1378    pragma Warnings (On);
1379
1380    protected Process is
1381       procedure Stop;
1382       function Continue return Boolean;
1383       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1384    private
1385       Done : Boolean := False;
1386    end Process;
1387
1388 end ConfTest;],
1389 [package body ConfTest is
1390    protected body Process is
1391       procedure Stop is
1392       begin
1393          Done := True;
1394       end Stop;
1395       function Continue return Boolean is
1396       begin
1397          return not Done;
1398       end Continue;
1399    end Process;
1400 end ConfTest;],
1401         [cf_cv_gnat_sigint=yes],
1402         [cf_cv_gnat_sigint=no])])
1403
1404 if test $cf_cv_gnat_sigint = yes ; then
1405         USE_GNAT_SIGINT=""
1406 else
1407         USE_GNAT_SIGINT="#"
1408 fi
1409 AC_SUBST(USE_GNAT_SIGINT)
1410 ])dnl
1411 dnl ---------------------------------------------------------------------------
1412 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1413 dnl ----------------
1414 dnl Verify that a test program compiles/links with GNAT.
1415 dnl $cf_ada_make is set to the program that compiles/links
1416 dnl $ADAFLAGS may be set to the GNAT flags.
1417 dnl
1418 dnl $1 is the text of the spec
1419 dnl $2 is the text of the body
1420 dnl $3 is the shell command to execute if successful
1421 dnl $4 is the shell command to execute if not successful
1422 AC_DEFUN([CF_GNAT_TRY_LINK],
1423 [
1424 rm -rf conftest* *~conftest*
1425 cat >>conftest.ads <<CF_EOF
1426 $1
1427 CF_EOF
1428 cat >>conftest.adb <<CF_EOF
1429 $2
1430 CF_EOF
1431 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1432 ifelse($3,,      :,[      $3])
1433 ifelse($4,,,[else
1434    $4])
1435 fi
1436 rm -rf conftest* *~conftest*
1437 ])dnl
1438 dnl ---------------------------------------------------------------------------
1439 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1440 dnl ---------------
1441 dnl Verify that a test program compiles and runs with GNAT
1442 dnl $cf_ada_make is set to the program that compiles/links
1443 dnl $ADAFLAGS may be set to the GNAT flags.
1444 dnl
1445 dnl $1 is the text of the spec
1446 dnl $2 is the text of the body
1447 dnl $3 is the shell command to execute if successful
1448 dnl $4 is the shell command to execute if not successful
1449 AC_DEFUN([CF_GNAT_TRY_RUN],
1450 [
1451 rm -rf conftest* *~conftest*
1452 cat >>conftest.ads <<CF_EOF
1453 $1
1454 CF_EOF
1455 cat >>conftest.adb <<CF_EOF
1456 $2
1457 CF_EOF
1458 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1459    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1460 ifelse($3,,      :,[      $3])
1461 ifelse($4,,,[   else
1462       $4])
1463    fi
1464 ifelse($4,,,[else
1465    $4])
1466 fi
1467 rm -rf conftest* *~conftest*
1468 ])dnl
1469 dnl ---------------------------------------------------------------------------
1470 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1471 dnl ---------------
1472 dnl Verify version of GNAT.
1473 AC_DEFUN([CF_GNAT_VERSION],
1474 [
1475 AC_MSG_CHECKING(for gnat version)
1476 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1477         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1478         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1479 AC_MSG_RESULT($cf_gnat_version)
1480
1481 case $cf_gnat_version in
1482 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1483         cf_cv_prog_gnat_correct=yes
1484         ;;
1485 (*)
1486         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1487         cf_cv_prog_gnat_correct=no
1488         ;;
1489 esac
1490 ])
1491 dnl ---------------------------------------------------------------------------
1492 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1493 dnl -------------
1494 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1495 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1496 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1497 dnl since it is interwoven with GNU extensions.
1498 dnl
1499 dnl Well, yes we could work around it...
1500 AC_DEFUN([CF_GNU_SOURCE],
1501 [
1502 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1503 AC_TRY_COMPILE([#include <sys/types.h>],[
1504 #ifndef _XOPEN_SOURCE
1505 make an error
1506 #endif],
1507         [cf_cv_gnu_source=no],
1508         [cf_save="$CPPFLAGS"
1509          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1510          AC_TRY_COMPILE([#include <sys/types.h>],[
1511 #ifdef _XOPEN_SOURCE
1512 make an error
1513 #endif],
1514         [cf_cv_gnu_source=no],
1515         [cf_cv_gnu_source=yes])
1516         CPPFLAGS="$cf_save"
1517         ])
1518 ])
1519 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1520 ])dnl
1521 dnl ---------------------------------------------------------------------------
1522 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1523 dnl --------------
1524 dnl Construct a search-list of directories for a nonstandard header-file
1525 dnl
1526 dnl Parameters
1527 dnl     $1 = the variable to return as result
1528 dnl     $2 = the package name
1529 AC_DEFUN([CF_HEADER_PATH],
1530 [
1531 $1=
1532
1533 # collect the current set of include-directories from compiler flags
1534 cf_header_path_list=""
1535 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1536         for cf_header_path in $CPPFLAGS $CFLAGS
1537         do
1538                 case $cf_header_path in
1539                 (-I*)
1540                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1541                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1542                         cf_header_path_list="$cf_header_path_list [$]$1"
1543                         ;;
1544                 esac
1545         done
1546 fi
1547
1548 # add the variations for the package we are looking for
1549 CF_SUBDIR_PATH($1,$2,include)
1550
1551 test "$includedir" != NONE && \
1552 test "$includedir" != "/usr/include" && \
1553 test -d "$includedir" && {
1554         test -d $includedir &&    $1="[$]$1 $includedir"
1555         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1556 }
1557
1558 test "$oldincludedir" != NONE && \
1559 test "$oldincludedir" != "/usr/include" && \
1560 test -d "$oldincludedir" && {
1561         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1562         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1563 }
1564
1565 $1="[$]$1 $cf_header_path_list"
1566 ])dnl
1567 dnl ---------------------------------------------------------------------------
1568 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1569 dnl ---------------
1570 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1571 AC_DEFUN([CF_HELP_MESSAGE],
1572 [AC_DIVERT_HELP([$1])dnl
1573 ])dnl
1574 dnl ---------------------------------------------------------------------------
1575 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1576 dnl ---------------
1577 dnl Construct the list of include-options according to whether we're building
1578 dnl in the source directory or using '--srcdir=DIR' option.
1579 AC_DEFUN([CF_INCLUDE_DIRS],
1580 [
1581 if test "$srcdir" != "."; then
1582         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1583 fi
1584 CPPFLAGS="-I../include $CPPFLAGS"
1585 if test "$srcdir" != "."; then
1586         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1587 fi
1588 CPPFLAGS="-I. $CPPFLAGS"
1589 AC_SUBST(CPPFLAGS)
1590 ])dnl
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1593 dnl -----------------
1594 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1595 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1596 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1597 dnl
1598 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1599 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1600 dnl the wrappers for gcc and g++ warnings.
1601 dnl
1602 dnl $1 = GCC (default) or GXX
1603 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1604 dnl $3 = CFLAGS (default) or CXXFLAGS
1605 AC_DEFUN([CF_INTEL_COMPILER],[
1606 AC_REQUIRE([AC_CANONICAL_HOST])
1607 ifelse([$2],,INTEL_COMPILER,[$2])=no
1608
1609 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1610         case $host_os in
1611         (linux*|gnu*)
1612                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1613                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1614                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1615                 AC_TRY_COMPILE([],[
1616 #ifdef __INTEL_COMPILER
1617 #else
1618 make an error
1619 #endif
1620 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1621 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1622 ],[])
1623                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1624                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1625                 ;;
1626         esac
1627 fi
1628 ])dnl
1629 dnl ---------------------------------------------------------------------------
1630 dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
1631 dnl ------------
1632 dnl Add checks for large file support.
1633 AC_DEFUN([CF_LARGEFILE],[
1634 ifdef([AC_FUNC_FSEEKO],[
1635         AC_SYS_LARGEFILE
1636         if test "$enable_largefile" != no ; then
1637         AC_FUNC_FSEEKO
1638
1639         # Normally we would collect these definitions in the config.h,
1640         # but (like _XOPEN_SOURCE), some environments rely on having these
1641         # defined before any of the system headers are included.  Another
1642         # case comes up with C++, e.g., on AIX the compiler compiles the
1643         # header files by themselves before looking at the body files it is
1644         # told to compile.  For ncurses, those header files do not include
1645         # the config.h
1646         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1647         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1648         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1649
1650         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1651                 AC_TRY_COMPILE([
1652 #include <sys/types.h>
1653 #include <dirent.h>
1654                 ],[
1655                 /* if transitional largefile support is setup, this is true */
1656                 extern struct dirent64 * readdir(DIR *);
1657                 struct dirent64 *x = readdir((DIR *)0);
1658                 struct dirent *y = readdir((DIR *)0);
1659                 int z = x - y;
1660                 ],
1661                 [cf_cv_struct_dirent64=yes],
1662                 [cf_cv_struct_dirent64=no])
1663         ])
1664         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1665         fi
1666 ])
1667 ])
1668 dnl ---------------------------------------------------------------------------
1669 dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
1670 dnl ---------------
1671 dnl For the given system and compiler, find the compiler flags to pass to the
1672 dnl loader to use the "rpath" feature.
1673 AC_DEFUN([CF_LD_RPATH_OPT],
1674 [
1675 AC_REQUIRE([CF_CHECK_CACHE])
1676
1677 LD_RPATH_OPT=
1678 AC_MSG_CHECKING(for an rpath option)
1679 case $cf_cv_system_name in
1680 (irix*)
1681         if test "$GCC" = yes; then
1682                 LD_RPATH_OPT="-Wl,-rpath,"
1683         else
1684                 LD_RPATH_OPT="-rpath "
1685         fi
1686         ;;
1687 (linux*|gnu*|k*bsd*-gnu)
1688         LD_RPATH_OPT="-Wl,-rpath,"
1689         ;;
1690 (openbsd[[2-9]].*|mirbsd*)
1691         LD_RPATH_OPT="-Wl,-rpath,"
1692         ;;
1693 (dragonfly*|freebsd*)
1694         LD_RPATH_OPT="-rpath "
1695         ;;
1696 (netbsd*)
1697         LD_RPATH_OPT="-Wl,-rpath,"
1698         ;;
1699 (osf*|mls+*)
1700         LD_RPATH_OPT="-rpath "
1701         ;;
1702 (solaris2*)
1703         LD_RPATH_OPT="-R"
1704         ;;
1705 (*)
1706         ;;
1707 esac
1708 AC_MSG_RESULT($LD_RPATH_OPT)
1709
1710 case "x$LD_RPATH_OPT" in
1711 (x-R*)
1712         AC_MSG_CHECKING(if we need a space after rpath option)
1713         cf_save_LIBS="$LIBS"
1714         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1715         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1716         LIBS="$cf_save_LIBS"
1717         AC_MSG_RESULT($cf_rpath_space)
1718         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1719         ;;
1720 esac
1721 ])dnl
1722 dnl ---------------------------------------------------------------------------
1723 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1724 dnl ---------------
1725 dnl Construct a search-list of directories for a nonstandard library-file
1726 dnl
1727 dnl Parameters
1728 dnl     $1 = the variable to return as result
1729 dnl     $2 = the package name
1730 AC_DEFUN([CF_LIBRARY_PATH],
1731 [
1732 $1=
1733 cf_library_path_list=""
1734 if test -n "${LDFLAGS}${LIBS}" ; then
1735         for cf_library_path in $LDFLAGS $LIBS
1736         do
1737                 case $cf_library_path in
1738                 (-L*)
1739                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1740                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1741                         cf_library_path_list="$cf_library_path_list [$]$1"
1742                         ;;
1743                 esac
1744         done
1745 fi
1746
1747 CF_SUBDIR_PATH($1,$2,lib)
1748
1749 $1="$cf_library_path_list [$]$1"
1750 ])dnl
1751 dnl ---------------------------------------------------------------------------
1752 dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
1753 dnl -------------
1754 dnl Compute the library-prefix for the given host system
1755 dnl $1 = variable to set
1756 define([CF_LIB_PREFIX],
1757 [
1758         case $cf_cv_system_name in
1759         (OS/2*|os2*)
1760                 LIB_PREFIX=''
1761                 ;;
1762         (*)     LIB_PREFIX='lib'
1763                 ;;
1764         esac
1765 ifelse($1,,,[$1=$LIB_PREFIX])
1766         AC_SUBST(LIB_PREFIX)
1767 ])dnl
1768 dnl ---------------------------------------------------------------------------
1769 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1770 dnl -------------
1771 dnl Compute the library file-suffix from the given model name
1772 dnl $1 = model name
1773 dnl $2 = variable to set (the nominal library suffix)
1774 dnl $3 = dependency variable to set (actual filename)
1775 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1776 AC_DEFUN([CF_LIB_SUFFIX],
1777 [
1778         case X$1 in
1779         (Xlibtool)
1780                 $2='.la'
1781                 $3=[$]$2
1782                 ;;
1783         (Xdebug)
1784                 $2='_g.a'
1785                 $3=[$]$2
1786                 ;;
1787         (Xprofile)
1788                 $2='_p.a'
1789                 $3=[$]$2
1790                 ;;
1791         (Xshared)
1792                 case $cf_cv_system_name in
1793                 (aix[[5-7]]*)
1794                         $2='.so'
1795                         $3=[$]$2
1796                         ;;
1797                 (cygwin*|msys*|mingw*)
1798                         $2='.dll'
1799                         $3='.dll.a'
1800                         ;;
1801                 (darwin*)
1802                         $2='.dylib'
1803                         $3=[$]$2
1804                         ;;
1805                 (hpux*)
1806                         case $target in
1807                         (ia64*)
1808                                 $2='.so'
1809                                 $3=[$]$2
1810                                 ;;
1811                         (*)
1812                                 $2='.sl'
1813                                 $3=[$]$2
1814                                 ;;
1815                         esac
1816                         ;;
1817                 (*)
1818                         $2='.so'
1819                         $3=[$]$2
1820                         ;;
1821                 esac
1822                 ;;
1823         (*)
1824                 $2='.a'
1825                 $3=[$]$2
1826                 ;;
1827         esac
1828         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1829         then
1830                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1831                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1832         fi
1833 ])dnl
1834 dnl ---------------------------------------------------------------------------
1835 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1836 dnl -----------
1837 dnl Compute the string to append to -library from the given model name
1838 dnl $1 = model name
1839 dnl $2 = variable to set
1840 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1841 AC_DEFUN([CF_LIB_TYPE],
1842 [
1843         case $1 in
1844         (libtool) $2=''   ;;
1845         (normal)  $2=''   ;;
1846         (debug)   $2='_g' ;;
1847         (profile) $2='_p' ;;
1848         (shared)  $2=''   ;;
1849         esac
1850         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1851 ])dnl
1852 dnl ---------------------------------------------------------------------------
1853 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1854 dnl ----------------
1855 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1856 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1857 dnl have to provide wrappers for global tables to ensure they're linked
1858 dnl properly.
1859 AC_DEFUN([CF_LINK_DATAONLY],
1860 [
1861 AC_MSG_CHECKING([if data-only library module links])
1862 AC_CACHE_VAL(cf_cv_link_dataonly,[
1863         rm -f conftest.a
1864         cat >conftest.$ac_ext <<EOF
1865 #line __oline__ "configure"
1866 int     testdata[[3]] = { 123, 456, 789 };
1867 EOF
1868         if AC_TRY_EVAL(ac_compile) ; then
1869                 mv conftest.o data.o && \
1870                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1871         fi
1872         rm -f conftest.$ac_ext data.o
1873         cat >conftest.$ac_ext <<EOF
1874 #line __oline__ "configure"
1875 int     testfunc()
1876 {
1877 #if defined(NeXT)
1878         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1879 #else
1880         extern int testdata[[3]];
1881         return testdata[[0]] == 123
1882            &&  testdata[[1]] == 456
1883            &&  testdata[[2]] == 789;
1884 #endif
1885 }
1886 EOF
1887         if AC_TRY_EVAL(ac_compile); then
1888                 mv conftest.o func.o && \
1889                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1890         fi
1891         rm -f conftest.$ac_ext func.o
1892         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1893         cf_saveLIBS="$LIBS"
1894         LIBS="conftest.a $LIBS"
1895         AC_TRY_RUN([
1896         int main()
1897         {
1898                 extern int testfunc();
1899                 ${cf_cv_main_return:-return} (!testfunc());
1900         }
1901         ],
1902         [cf_cv_link_dataonly=yes],
1903         [cf_cv_link_dataonly=no],
1904         [cf_cv_link_dataonly=unknown])
1905         LIBS="$cf_saveLIBS"
1906         ])
1907 AC_MSG_RESULT($cf_cv_link_dataonly)
1908
1909 if test "$cf_cv_link_dataonly" = no ; then
1910         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1911         BROKEN_LINKER=1
1912 fi
1913
1914 ])dnl
1915 dnl ---------------------------------------------------------------------------
1916 dnl CF_MAKEFLAGS version: 16 updated: 2015/04/15 19:08:48
1917 dnl ------------
1918 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1919 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1920 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1921 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1922 AC_DEFUN([CF_MAKEFLAGS],
1923 [
1924 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1925         cf_cv_makeflags=''
1926         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1927         do
1928                 cat >cf_makeflags.tmp <<CF_EOF
1929 SHELL = /bin/sh
1930 all :
1931         @ echo '.$cf_option'
1932 CF_EOF
1933                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1934                 case "$cf_result" in
1935                 (.*k|.*kw)
1936                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1937                         case "$cf_result" in
1938                         (.*CC=*)        cf_cv_makeflags=
1939                                 ;;
1940                         (*)     cf_cv_makeflags=$cf_option
1941                                 ;;
1942                         esac
1943                         break
1944                         ;;
1945                 (.-)    ;;
1946                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
1947                         ;;
1948                 esac
1949         done
1950         rm -f cf_makeflags.tmp
1951 ])
1952
1953 AC_SUBST(cf_cv_makeflags)
1954 ])dnl
1955 dnl ---------------------------------------------------------------------------
1956 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1957 dnl ------------
1958 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1959 dnl a monocase filesystem.
1960 AC_DEFUN([CF_MAKE_TAGS],[
1961 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1962
1963 AC_CHECK_PROGS(CTAGS, exctags ctags)
1964 AC_CHECK_PROGS(ETAGS, exetags etags)
1965
1966 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1967
1968 if test "$cf_cv_mixedcase" = yes ; then
1969         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1970 else
1971         MAKE_UPPER_TAGS=no
1972 fi
1973
1974 if test "$MAKE_UPPER_TAGS" = yes ; then
1975         MAKE_UPPER_TAGS=
1976 else
1977         MAKE_UPPER_TAGS="#"
1978 fi
1979
1980 if test "$MAKE_LOWER_TAGS" = yes ; then
1981         MAKE_LOWER_TAGS=
1982 else
1983         MAKE_LOWER_TAGS="#"
1984 fi
1985
1986 AC_SUBST(CTAGS)
1987 AC_SUBST(ETAGS)
1988
1989 AC_SUBST(MAKE_UPPER_TAGS)
1990 AC_SUBST(MAKE_LOWER_TAGS)
1991 ])dnl
1992 dnl ---------------------------------------------------------------------------
1993 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
1994 dnl ----------------------
1995 dnl Check if the file-system supports mixed-case filenames.  If we're able to
1996 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1997 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1998 [
1999 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2000 if test "$cross_compiling" = yes ; then
2001         case $target_alias in
2002         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2003                 cf_cv_mixedcase=no
2004                 ;;
2005         (*)
2006                 cf_cv_mixedcase=yes
2007                 ;;
2008         esac
2009 else
2010         rm -f conftest CONFTEST
2011         echo test >conftest
2012         if test -f CONFTEST ; then
2013                 cf_cv_mixedcase=no
2014         else
2015                 cf_cv_mixedcase=yes
2016         fi
2017         rm -f conftest CONFTEST
2018 fi
2019 ])
2020 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2021 ])dnl
2022 dnl ---------------------------------------------------------------------------
2023 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2024 dnl ----------
2025 dnl Check for a working mkstemp.  This creates two files, checks that they are
2026 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2027 AC_DEFUN([CF_MKSTEMP],[
2028 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2029 rm -rf conftest*
2030 AC_TRY_RUN([
2031 #include <sys/types.h>
2032 #include <stdlib.h>
2033 #include <stdio.h>
2034 #include <string.h>
2035 #include <sys/stat.h>
2036 int main()
2037 {
2038         char *tmpl = "conftestXXXXXX";
2039         char name[2][80];
2040         int n;
2041         int result = 0;
2042         int fd;
2043         struct stat sb;
2044
2045         umask(077);
2046         for (n = 0; n < 2; ++n) {
2047                 strcpy(name[n], tmpl);
2048                 if ((fd = mkstemp(name[n])) >= 0) {
2049                         if (!strcmp(name[n], tmpl)
2050                          || stat(name[n], &sb) != 0
2051                          || (sb.st_mode & S_IFMT) != S_IFREG
2052                          || (sb.st_mode & 077) != 0) {
2053                                 result = 1;
2054                         }
2055                         close(fd);
2056                 }
2057         }
2058         if (result == 0
2059          && !strcmp(name[0], name[1]))
2060                 result = 1;
2061         ${cf_cv_main_return:-return}(result);
2062 }
2063 ],[cf_cv_func_mkstemp=yes
2064 ],[cf_cv_func_mkstemp=no
2065 ],[cf_cv_func_mkstemp=maybe])
2066 ])
2067 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2068         AC_CHECK_FUNC(mkstemp)
2069 fi
2070 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2071         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2072 fi
2073 ])dnl
2074 dnl ---------------------------------------------------------------------------
2075 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2076 dnl ----------
2077 dnl Write a debug message to config.log, along with the line number in the
2078 dnl configure script.
2079 AC_DEFUN([CF_MSG_LOG],[
2080 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2081 ])dnl
2082 dnl ---------------------------------------------------------------------------
2083 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2084 dnl ----------------
2085 dnl Configure an ncurses add-on, built outside the ncurses tree.
2086 AC_DEFUN([CF_NCURSES_ADDON],[
2087
2088 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2089
2090 AC_MSG_CHECKING(if you want wide-character code)
2091 AC_ARG_ENABLE(widec,
2092         [  --enable-widec          compile with wide-char/UTF-8 code],
2093         [with_widec=$enableval],
2094         [with_widec=no])
2095 AC_MSG_RESULT($with_widec)
2096 if test "$with_widec" = yes ; then
2097         CF_UTF8_LIB
2098         CF_NCURSES_CONFIG(ncursesw)
2099 else
2100         CF_NCURSES_CONFIG(ncurses)
2101 fi
2102
2103 if test "$NCURSES_CONFIG" != none ; then
2104
2105 cf_version=`$NCURSES_CONFIG --version`
2106
2107 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2108 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2109 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2110
2111 # ABI version is not available from headers
2112 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2113
2114 else
2115
2116 for cf_name in MAJOR MINOR PATCH
2117 do
2118 cat >conftest.$ac_ext <<CF_EOF
2119 #include <${cf_cv_ncurses_header:-curses.h}>
2120 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2121 CF_EOF
2122         cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2123         AC_TRY_EVAL(cf_try)
2124         if test -f conftest.out ; then
2125                 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2126                 eval NCURSES_$cf_name=\"$cf_result\"
2127                 # cat conftest.$ac_ext
2128                 # cat conftest.out
2129         fi
2130 done
2131
2132 cf_cv_abi_version=${NCURSES_MAJOR}
2133
2134 fi
2135
2136 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2137
2138 dnl Show the computed version, for logging
2139 cf_cv_timestamp=`date`
2140
2141 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2142
2143 dnl We need these values in the generated headers
2144 AC_SUBST(NCURSES_MAJOR)
2145 AC_SUBST(NCURSES_MINOR)
2146 AC_SUBST(NCURSES_PATCH)
2147
2148 dnl We need these values in the generated makefiles
2149 AC_SUBST(cf_cv_rel_version)
2150 AC_SUBST(cf_cv_abi_version)
2151
2152 dnl FIXME - not needed for Ada95
2153 AC_SUBST(cf_cv_builtin_bool)
2154 AC_SUBST(cf_cv_header_stdbool_h)
2155 AC_SUBST(cf_cv_type_of_bool)dnl
2156
2157 ])
2158 dnl ---------------------------------------------------------------------------
2159 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2160 dnl -------------------
2161 dnl Check if we can compile with ncurses' header file
2162 dnl $1 is the cache variable to set
2163 dnl $2 is the header-file to include
2164 dnl $3 is the root name (ncurses or ncursesw)
2165 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2166         AC_TRY_COMPILE([
2167 ]ifelse($3,ncursesw,[
2168 #define _XOPEN_SOURCE_EXTENDED
2169 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2170 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2171 ])[
2172 #include <$2>],[
2173 #ifdef NCURSES_VERSION
2174 ]ifelse($3,ncursesw,[
2175 #ifndef WACS_BSSB
2176         make an error
2177 #endif
2178 ])[
2179 printf("%s\n", NCURSES_VERSION);
2180 #else
2181 #ifdef __NCURSES_H
2182 printf("old\n");
2183 #else
2184         make an error
2185 #endif
2186 #endif
2187         ]
2188         ,[$1=$2]
2189         ,[$1=no])
2190 ])dnl
2191 dnl ---------------------------------------------------------------------------
2192 dnl CF_NCURSES_CONFIG version: 12 updated: 2015/04/24 20:52:45
2193 dnl -----------------
2194 dnl Tie together the configure-script macros for ncurses.
2195 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2196 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2197 dnl
2198 dnl $1 is the root library name (default: "ncurses")
2199 AC_DEFUN([CF_NCURSES_CONFIG],[
2200 AC_REQUIRE([CF_PKG_CONFIG])
2201 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2202 cf_have_ncuconfig=no
2203
2204 if test "x$PKG_CONFIG" != xnone; then
2205         AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2206         if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2207                 AC_MSG_RESULT(yes)
2208
2209                 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2210                 cf_have_ncuconfig=unknown
2211
2212                 cf_save_CPPFLAGS="$CPPFLAGS"
2213                 cf_save_LIBS="$LIBS"
2214
2215                 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2216                 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2217
2218                 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2219                         [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2220                         [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2221                                 int main(void)
2222                                 { char *xx = curses_version(); return (xx == 0); }],
2223                                 [cf_have_ncuconfig=yes],
2224                                 [cf_have_ncuconfig=no])],
2225                         [cf_have_ncuconfig=no])
2226
2227                 AC_MSG_RESULT($cf_have_ncuconfig)
2228                 if test "$cf_have_ncuconfig" != "yes"
2229                 then
2230                         CPPFLAGS="$cf_save_CPPFLAGS"
2231                         LIBS="$cf_save_LIBS"
2232                 else
2233                         AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2234                 fi
2235
2236         else
2237                 AC_MSG_RESULT(no)
2238         fi
2239 fi
2240
2241 if test "x$cf_have_ncuconfig" = "xno"; then
2242         echo "Looking for ${cf_ncuconfig_root}-config"
2243
2244         CF_ACVERSION_CHECK(2.52,
2245                 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2246                 [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2247
2248         if test "$NCURSES_CONFIG" != none ; then
2249
2250                 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2251                 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2252
2253                 # even with config script, some packages use no-override for curses.h
2254                 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2255
2256                 dnl like CF_NCURSES_CPPFLAGS
2257                 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2258
2259                 dnl like CF_NCURSES_LIBS
2260                 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2261                 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2262
2263                 dnl like CF_NCURSES_VERSION
2264                 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2265
2266         else
2267
2268                 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2269                 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2270
2271         fi
2272 fi
2273 ])dnl
2274 dnl ---------------------------------------------------------------------------
2275 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2276 dnl -------------------
2277 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2278 dnl the CPPFLAGS variable so we can include its header.
2279 dnl
2280 dnl The header files may be installed as either curses.h, or ncurses.h (would
2281 dnl be obsolete, except that some packagers prefer this name to distinguish it
2282 dnl from a "native" curses implementation).  If not installed for overwrite,
2283 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2284 dnl /usr/include/ncurses), but someone may have installed overwriting the
2285 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2286 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2287 dnl the header.
2288 dnl
2289 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2290 dnl is already in the include-path, don't even bother with this, since we cannot
2291 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2292 dnl
2293 dnl The optional parameter gives the root name of the library, in case it is
2294 dnl not installed as the default curses library.  That is how the
2295 dnl wide-character version of ncurses is installed.
2296 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2297 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2298
2299 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2300 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2301
2302 test -n "$cf_cv_curses_dir" && \
2303 test "$cf_cv_curses_dir" != "no" && { \
2304   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2305 }
2306
2307 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2308         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2309         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2310         for cf_header in $cf_header_list
2311         do
2312                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2313                 test "$cf_cv_ncurses_h" != no && break
2314         done
2315 ])
2316
2317 CF_NCURSES_HEADER
2318 CF_TERM_HEADER
2319
2320 # some applications need this, but should check for NCURSES_VERSION
2321 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2322
2323 CF_NCURSES_VERSION
2324 ])dnl
2325 dnl ---------------------------------------------------------------------------
2326 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2327 dnl -----------------
2328 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2329 dnl variations of ncurses' installs.
2330 dnl
2331 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2332 AC_DEFUN([CF_NCURSES_HEADER],[
2333
2334 if test "$cf_cv_ncurses_h" != no ; then
2335         cf_cv_ncurses_header=$cf_cv_ncurses_h
2336 else
2337
2338 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2339         test -n "$verbose" && echo
2340         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2341         test -n "$verbose" && echo search path $cf_search
2342         cf_save2_CPPFLAGS="$CPPFLAGS"
2343         for cf_incdir in $cf_search
2344         do
2345                 CF_ADD_INCDIR($cf_incdir)
2346                 for cf_header in \
2347                         ncurses.h \
2348                         curses.h
2349                 do
2350                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2351                         if test "$cf_cv_ncurses_h2" != no ; then
2352                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2353                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2354                                 break
2355                         fi
2356                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2357                 done
2358                 CPPFLAGS="$cf_save2_CPPFLAGS"
2359                 test "$cf_cv_ncurses_h2" != no && break
2360         done
2361         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2362         ])
2363
2364         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2365         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2366         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2367                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2368         fi
2369         CF_ADD_INCDIR($cf_1st_incdir)
2370
2371 fi
2372
2373 # Set definitions to allow ifdef'ing for ncurses.h
2374
2375 case $cf_cv_ncurses_header in
2376 (*ncurses.h)
2377         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2378         ;;
2379 esac
2380
2381 case $cf_cv_ncurses_header in
2382 (ncurses/curses.h|ncurses/ncurses.h)
2383         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2384         ;;
2385 (ncursesw/curses.h|ncursesw/ncurses.h)
2386         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2387         ;;
2388 esac
2389
2390 ])dnl
2391 dnl ---------------------------------------------------------------------------
2392 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2393 dnl ---------------
2394 dnl Look for the ncurses library.  This is a little complicated on Linux,
2395 dnl because it may be linked with the gpm (general purpose mouse) library.
2396 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2397 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2398 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2399 dnl and the linker will record a dependency.
2400 dnl
2401 dnl The optional parameter gives the root name of the library, in case it is
2402 dnl not installed as the default curses library.  That is how the
2403 dnl wide-character version of ncurses is installed.
2404 AC_DEFUN([CF_NCURSES_LIBS],
2405 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2406
2407 cf_nculib_root=ifelse($1,,ncurses,$1)
2408         # This works, except for the special case where we find gpm, but
2409         # ncurses is in a nonstandard location via $LIBS, and we really want
2410         # to link gpm.
2411 cf_ncurses_LIBS=""
2412 cf_ncurses_SAVE="$LIBS"
2413 AC_CHECK_LIB(gpm,Gpm_Open,
2414         [AC_CHECK_LIB(gpm,initscr,
2415                 [LIBS="$cf_ncurses_SAVE"],
2416                 [cf_ncurses_LIBS="-lgpm"])])
2417
2418 case $host_os in
2419 (freebsd*)
2420         # This is only necessary if you are linking against an obsolete
2421         # version of ncurses (but it should do no harm, since it's static).
2422         if test "$cf_nculib_root" = ncurses ; then
2423                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2424         fi
2425         ;;
2426 esac
2427
2428 CF_ADD_LIBS($cf_ncurses_LIBS)
2429
2430 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2431 then
2432         CF_ADD_LIBS(-l$cf_nculib_root)
2433 else
2434         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2435                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2436                 [initscr()],
2437                 initscr)
2438 fi
2439
2440 if test -n "$cf_ncurses_LIBS" ; then
2441         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2442         cf_ncurses_SAVE="$LIBS"
2443         for p in $cf_ncurses_LIBS ; do
2444                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2445                 if test "$q" != "$LIBS" ; then
2446                         LIBS="$q"
2447                 fi
2448         done
2449         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2450                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2451                 [AC_MSG_RESULT(yes)],
2452                 [AC_MSG_RESULT(no)
2453                  LIBS="$cf_ncurses_SAVE"])
2454 fi
2455
2456 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2457 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2458 ])dnl
2459 dnl ---------------------------------------------------------------------------
2460 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2461 dnl ------------------
2462 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2463 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2464 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2465 AC_DEFUN([CF_NCURSES_VERSION],
2466 [
2467 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2468 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2469         cf_cv_ncurses_version=no
2470         cf_tempfile=out$$
2471         rm -f $cf_tempfile
2472         AC_TRY_RUN([
2473 #include <${cf_cv_ncurses_header:-curses.h}>
2474 #include <stdio.h>
2475 int main()
2476 {
2477         FILE *fp = fopen("$cf_tempfile", "w");
2478 #ifdef NCURSES_VERSION
2479 # ifdef NCURSES_VERSION_PATCH
2480         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2481 # else
2482         fprintf(fp, "%s\n", NCURSES_VERSION);
2483 # endif
2484 #else
2485 # ifdef __NCURSES_H
2486         fprintf(fp, "old\n");
2487 # else
2488         make an error
2489 # endif
2490 #endif
2491         ${cf_cv_main_return:-return}(0);
2492 }],[
2493         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2494
2495         # This will not work if the preprocessor splits the line after the
2496         # Autoconf token.  The 'unproto' program does that.
2497         cat > conftest.$ac_ext <<EOF
2498 #include <${cf_cv_ncurses_header:-curses.h}>
2499 #undef Autoconf
2500 #ifdef NCURSES_VERSION
2501 Autoconf NCURSES_VERSION
2502 #else
2503 #ifdef __NCURSES_H
2504 Autoconf "old"
2505 #endif
2506 ;
2507 #endif
2508 EOF
2509         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2510         AC_TRY_EVAL(cf_try)
2511         if test -f conftest.out ; then
2512                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2513                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2514                 rm -f conftest.out
2515         fi
2516 ])
2517         rm -f $cf_tempfile
2518 ])
2519 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2520 ])dnl
2521 dnl ---------------------------------------------------------------------------
2522 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2523 dnl -------------
2524 dnl Compute the object-directory name from the given model name
2525 AC_DEFUN([CF_OBJ_SUBDIR],
2526 [
2527         case $1 in
2528         (libtool) $2='obj_lo'  ;;
2529         (normal)  $2='objects' ;;
2530         (debug)   $2='obj_g' ;;
2531         (profile) $2='obj_p' ;;
2532         (shared)
2533                 case $cf_cv_system_name in
2534                 (cygwin|msys)
2535                         $2='objects' ;;
2536                 (*)
2537                         $2='obj_s' ;;
2538                 esac
2539         esac
2540 ])dnl
2541 dnl ---------------------------------------------------------------------------
2542 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2543 dnl ----------
2544 dnl Provide a value for the $PATH and similar separator (or amend the value
2545 dnl as provided in autoconf 2.5x).
2546 AC_DEFUN([CF_PATHSEP],
2547 [
2548         AC_MSG_CHECKING(for PATH separator)
2549         case $cf_cv_system_name in
2550         (os2*)  PATH_SEPARATOR=';'  ;;
2551         (*)     ${PATH_SEPARATOR:=':'}  ;;
2552         esac
2553 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2554         AC_SUBST(PATH_SEPARATOR)
2555         AC_MSG_RESULT($PATH_SEPARATOR)
2556 ])dnl
2557 dnl ---------------------------------------------------------------------------
2558 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2559 dnl --------------
2560 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2561 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2562 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2563 dnl delayed evaluation of those symbols.
2564 AC_DEFUN([CF_PATH_SYNTAX],[
2565 if test "x$prefix" != xNONE; then
2566         cf_path_syntax="$prefix"
2567 else
2568         cf_path_syntax="$ac_default_prefix"
2569 fi
2570
2571 case ".[$]$1" in
2572 (.\[$]\(*\)*|.\'*\'*)
2573         ;;
2574 (..|./*|.\\*)
2575         ;;
2576 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2577         ;;
2578 (.\[$]{*prefix}*|.\[$]{*dir}*)
2579         eval $1="[$]$1"
2580         case ".[$]$1" in
2581         (.NONE/*)
2582                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2583                 ;;
2584         esac
2585         ;;
2586 (.no|.NONE/*)
2587         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2588         ;;
2589 (*)
2590         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2591         ;;
2592 esac
2593 ])dnl
2594 dnl ---------------------------------------------------------------------------
2595 dnl CF_PKG_CONFIG version: 9 updated: 2015/04/12 15:39:00
2596 dnl -------------
2597 dnl Check for the package-config program, unless disabled by command-line.
2598 AC_DEFUN([CF_PKG_CONFIG],
2599 [
2600 AC_MSG_CHECKING(if you want to use pkg-config)
2601 AC_ARG_WITH(pkg-config,
2602         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2603         [cf_pkg_config=$withval],
2604         [cf_pkg_config=yes])
2605 AC_MSG_RESULT($cf_pkg_config)
2606
2607 case $cf_pkg_config in
2608 (no)
2609         PKG_CONFIG=none
2610         ;;
2611 (yes)
2612         CF_ACVERSION_CHECK(2.52,
2613                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2614                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2615         ;;
2616 (*)
2617         PKG_CONFIG=$withval
2618         ;;
2619 esac
2620
2621 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2622 if test "$PKG_CONFIG" != none ; then
2623         CF_PATH_SYNTAX(PKG_CONFIG)
2624 else
2625         AC_MSG_WARN(pkg-config is not installed)
2626 fi
2627
2628 AC_SUBST(PKG_CONFIG)
2629 ])dnl
2630 dnl ---------------------------------------------------------------------------
2631 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2632 dnl -----------------
2633 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2634 dnl
2635 dnl     POSIX.1-1990                            _POSIX_SOURCE
2636 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2637 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2638 dnl             Bindings Option
2639 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2640 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2641 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2642 dnl
2643 dnl Parameters:
2644 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2645 AC_DEFUN([CF_POSIX_C_SOURCE],
2646 [
2647 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2648
2649 cf_save_CFLAGS="$CFLAGS"
2650 cf_save_CPPFLAGS="$CPPFLAGS"
2651
2652 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2653 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2654
2655 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2656         CF_MSG_LOG(if the symbol is already defined go no further)
2657         AC_TRY_COMPILE([#include <sys/types.h>],[
2658 #ifndef _POSIX_C_SOURCE
2659 make an error
2660 #endif],
2661         [cf_cv_posix_c_source=no],
2662         [cf_want_posix_source=no
2663          case .$cf_POSIX_C_SOURCE in
2664          (.[[12]]??*)
2665                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2666                 ;;
2667          (.2)
2668                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2669                 cf_want_posix_source=yes
2670                 ;;
2671          (.*)
2672                 cf_want_posix_source=yes
2673                 ;;
2674          esac
2675          if test "$cf_want_posix_source" = yes ; then
2676                 AC_TRY_COMPILE([#include <sys/types.h>],[
2677 #ifdef _POSIX_SOURCE
2678 make an error
2679 #endif],[],
2680                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2681          fi
2682          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2683          CFLAGS="$cf_trim_CFLAGS"
2684          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2685          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2686          AC_TRY_COMPILE([#include <sys/types.h>],[
2687 #ifndef _POSIX_C_SOURCE
2688 make an error
2689 #endif],,
2690          [cf_cv_posix_c_source=no])
2691          CFLAGS="$cf_save_CFLAGS"
2692          CPPFLAGS="$cf_save_CPPFLAGS"
2693         ])
2694 ])
2695
2696 if test "$cf_cv_posix_c_source" != no ; then
2697         CFLAGS="$cf_trim_CFLAGS"
2698         CPPFLAGS="$cf_trim_CPPFLAGS"
2699         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2700 fi
2701
2702 ])dnl
2703 dnl ---------------------------------------------------------------------------
2704 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2705 dnl ----------
2706 dnl Check for archiver "ar".
2707 AC_DEFUN([CF_PROG_AR],[
2708 AC_CHECK_TOOL(AR, ar, ar)
2709 ])
2710 dnl ---------------------------------------------------------------------------
2711 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2712 dnl -----------
2713 dnl Check for awk, ensure that the check found something.
2714 AC_DEFUN([CF_PROG_AWK],
2715 [
2716 AC_PROG_AWK
2717 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2718 ])dnl
2719 dnl ---------------------------------------------------------------------------
2720 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2721 dnl ----------
2722 dnl standard check for CC, plus followup sanity checks
2723 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2724 AC_DEFUN([CF_PROG_CC],[
2725 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2726 CF_GCC_VERSION
2727 CF_ACVERSION_CHECK(2.52,
2728         [AC_PROG_CC_STDC],
2729         [CF_ANSI_CC_REQD])
2730 CF_CC_ENV_FLAGS
2731 ])dnl
2732 dnl ---------------------------------------------------------------------------
2733 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2734 dnl --------------
2735 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2736 dnl the output file can be renamed, and allows for a shell variable that can
2737 dnl be used later.  The parameter is either CC or CXX.  The result is the
2738 dnl cache variable:
2739 dnl     $cf_cv_prog_CC_c_o
2740 dnl     $cf_cv_prog_CXX_c_o
2741 AC_DEFUN([CF_PROG_CC_C_O],
2742 [AC_REQUIRE([AC_PROG_CC])dnl
2743 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2744 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2745 [
2746 cat > conftest.$ac_ext <<CF_EOF
2747 #include <stdio.h>
2748 int main()
2749 {
2750         ${cf_cv_main_return:-return}(0);
2751 }
2752 CF_EOF
2753 # We do the test twice because some compilers refuse to overwrite an
2754 # existing .o file with -o, though they will create one.
2755 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2756 if AC_TRY_EVAL(ac_try) &&
2757   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2758 then
2759   eval cf_cv_prog_$1_c_o=yes
2760 else
2761   eval cf_cv_prog_$1_c_o=no
2762 fi
2763 rm -rf conftest*
2764 ])dnl
2765 if test $cf_cv_prog_$1_c_o = yes; then
2766   AC_MSG_RESULT([yes])
2767 else
2768   AC_MSG_RESULT([no])
2769 fi
2770 ])dnl
2771 dnl ---------------------------------------------------------------------------
2772 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2773 dnl -------------
2774 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2775 dnl This macro adds a check to ensure the script found something.
2776 AC_DEFUN([CF_PROG_EGREP],
2777 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2778         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2779                 then ac_cv_prog_egrep='grep -E'
2780                 else ac_cv_prog_egrep='egrep'
2781         fi])
2782         EGREP=$ac_cv_prog_egrep
2783         AC_SUBST([EGREP])
2784         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2785 ])dnl
2786 dnl ---------------------------------------------------------------------------
2787 dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
2788 dnl -----------
2789 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2790 AC_DEFUN([CF_PROG_EXT],
2791 [
2792 AC_REQUIRE([CF_CHECK_CACHE])
2793 case $cf_cv_system_name in
2794 (os2*)
2795         CFLAGS="$CFLAGS -Zmt"
2796         CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2797         CXXFLAGS="$CXXFLAGS -Zmt"
2798         # autoconf's macro sets -Zexe and suffix both, which conflict:w
2799         LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2800         ac_cv_exeext=.exe
2801         ;;
2802 esac
2803
2804 AC_EXEEXT
2805 AC_OBJEXT
2806
2807 PROG_EXT="$EXEEXT"
2808 AC_SUBST(PROG_EXT)
2809 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2810 ])dnl
2811 dnl ---------------------------------------------------------------------------
2812 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
2813 dnl ------------
2814 dnl Check for gnatmake, ensure that it is complete.
2815 AC_DEFUN([CF_PROG_GNAT],[
2816 cf_ada_make=gnatmake
2817 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2818 if test "$ac_cv_prog_gnat_exists" = no; then
2819         cf_ada_make=
2820         cf_cv_prog_gnat_correct=no
2821 else
2822         CF_GNAT_VERSION
2823         AC_CHECK_PROG(M4_exists, m4, yes, no)
2824         if test "$ac_cv_prog_M4_exists" = no; then
2825                 cf_cv_prog_gnat_correct=no
2826                 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2827         fi
2828         if test "$cf_cv_prog_gnat_correct" = yes; then
2829                 AC_MSG_CHECKING(if GNAT works)
2830                 CF_GNAT_TRY_RUN([procedure conftest;],
2831 [with Text_IO;
2832 with GNAT.OS_Lib;
2833 procedure conftest is
2834 begin
2835    Text_IO.Put ("Hello World");
2836    Text_IO.New_Line;
2837    GNAT.OS_Lib.OS_Exit (0);
2838 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2839                 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2840         fi
2841 fi
2842
2843 AC_SUBST(cf_ada_make)
2844 ])dnl
2845 dnl ---------------------------------------------------------------------------
2846 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2847 dnl ------------
2848 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2849 dnl option if it is supported.
2850 AC_DEFUN([CF_PROG_LN_S],[
2851 AC_PROG_LN_S
2852 AC_MSG_CHECKING(if $LN_S -f options work)
2853
2854 rm -f conf$$.src conf$$dst
2855 echo >conf$$.dst
2856 echo first >conf$$.src
2857 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2858         cf_prog_ln_sf=yes
2859 else
2860         cf_prog_ln_sf=no
2861 fi
2862 rm -f conf$$.dst conf$$src
2863 AC_MSG_RESULT($cf_prog_ln_sf)
2864
2865 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2866 ])dnl
2867 dnl ---------------------------------------------------------------------------
2868 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2869 dnl ----------------
2870 dnl Remove all -U and -D options that refer to the given symbol from a list
2871 dnl of C compiler options.  This works around the problem that not all
2872 dnl compilers process -U and -D options from left-to-right, so a -U option
2873 dnl cannot be used to cancel the effect of a preceding -D option.
2874 dnl
2875 dnl $1 = target (which could be the same as the source variable)
2876 dnl $2 = source (including '$')
2877 dnl $3 = symbol to remove
2878 define([CF_REMOVE_DEFINE],
2879 [
2880 $1=`echo "$2" | \
2881         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2882                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2883 ])dnl
2884 dnl ---------------------------------------------------------------------------
2885 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2886 dnl -------------
2887 dnl Remove the given library from the symbol
2888 dnl
2889 dnl $1 = target (which could be the same as the source variable)
2890 dnl $2 = source (including '$')
2891 dnl $3 = library to remove
2892 define([CF_REMOVE_LIB],
2893 [
2894 # remove $3 library from $2
2895 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2896 ])dnl
2897 dnl ---------------------------------------------------------------------------
2898 dnl CF_SHARED_OPTS version: 87 updated: 2015/04/17 21:13:04
2899 dnl --------------
2900 dnl --------------
2901 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2902 dnl library.
2903 dnl
2904 dnl Notes:
2905 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2906 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2907 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2908 dnl shared library since that can lead to unexpected results at runtime.
2909 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2910 dnl libraries are compiled in ../../lib
2911 dnl
2912 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2913 dnl to install symbolic links to the rel/abi versions of shared libraries.
2914 dnl
2915 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2916 dnl version when making symbolic links.
2917 dnl
2918 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2919 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2920 dnl (ex: libncurses.so.<ver>).
2921 dnl
2922 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2923 AC_DEFUN([CF_SHARED_OPTS],
2924 [
2925         AC_REQUIRE([CF_LD_RPATH_OPT])
2926         RM_SHARED_OPTS=
2927         LOCAL_LDFLAGS=
2928         LOCAL_LDFLAGS2=
2929         LD_SHARED_OPTS=
2930         INSTALL_LIB="-m 644"
2931         : ${rel_builddir:=.}
2932
2933         shlibdir=$libdir
2934         AC_SUBST(shlibdir)
2935
2936         MAKE_DLLS="#"
2937         AC_SUBST(MAKE_DLLS)
2938
2939         cf_cv_do_symlinks=no
2940         cf_ld_rpath_opt=
2941         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2942
2943         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2944         AC_ARG_WITH(shlib-version,
2945         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2946         [test -z "$withval" && withval=auto
2947         case $withval in
2948         (yes)
2949                 cf_cv_shlib_version=auto
2950                 ;;
2951         (rel|abi|auto|no)
2952                 cf_cv_shlib_version=$withval
2953                 ;;
2954         (*)
2955                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2956                 ;;
2957         esac
2958         ],[cf_cv_shlib_version=auto])
2959         AC_MSG_RESULT($cf_cv_shlib_version)
2960
2961         cf_cv_rm_so_locs=no
2962         cf_try_cflags=
2963
2964         # Some less-capable ports of gcc support only -fpic
2965         CC_SHARED_OPTS=
2966         if test "$GCC" = yes
2967         then
2968                 AC_MSG_CHECKING(which $CC option to use)
2969                 cf_save_CFLAGS="$CFLAGS"
2970                 for CC_SHARED_OPTS in -fPIC -fpic ''
2971                 do
2972                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2973                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2974                 done
2975                 AC_MSG_RESULT($CC_SHARED_OPTS)
2976                 CFLAGS="$cf_save_CFLAGS"
2977         fi
2978
2979         cf_cv_shlib_version_infix=no
2980
2981         case $cf_cv_system_name in
2982         (aix4.[3-9]*|aix[[5-7]]*)
2983                 if test "$GCC" = yes; then
2984                         CC_SHARED_OPTS='-Wl,-brtl'
2985                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2986                 else
2987                         CC_SHARED_OPTS='-brtl'
2988                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
2989                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2990                 fi
2991                 ;;
2992         (beos*)
2993                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2994                 ;;
2995         (cygwin*)
2996                 CC_SHARED_OPTS=
2997                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2998                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2999                 cf_cv_shlib_version=cygdll
3000                 cf_cv_shlib_version_infix=cygdll
3001                 shlibdir=$bindir
3002                 MAKE_DLLS=
3003                 cat >mk_shared_lib.sh <<-CF_EOF
3004                 #!/bin/sh
3005                 SHARED_LIB=\[$]1
3006                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3007                 shift
3008                 cat <<-EOF
3009                 Linking shared library
3010                 ** SHARED_LIB \[$]SHARED_LIB
3011                 ** IMPORT_LIB \[$]IMPORT_LIB
3012 EOF
3013                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3014 CF_EOF
3015                 chmod +x mk_shared_lib.sh
3016                 ;;
3017         (msys*)
3018                 CC_SHARED_OPTS=
3019                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3020                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3021                 cf_cv_shlib_version=msysdll
3022                 cf_cv_shlib_version_infix=msysdll
3023                 shlibdir=$bindir
3024                 MAKE_DLLS=
3025                 cat >mk_shared_lib.sh <<-CF_EOF
3026                 #!/bin/sh
3027                 SHARED_LIB=\[$]1
3028                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3029                 shift
3030                 cat <<-EOF
3031                 Linking shared library
3032                 ** SHARED_LIB \[$]SHARED_LIB
3033                 ** IMPORT_LIB \[$]IMPORT_LIB
3034 EOF
3035                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3036 CF_EOF
3037                 chmod +x mk_shared_lib.sh
3038                 ;;
3039         (darwin*)
3040                 cf_try_cflags="no-cpp-precomp"
3041                 CC_SHARED_OPTS="-dynamic"
3042                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3043                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3044                 cf_cv_shlib_version_infix=yes
3045                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3046                         cf_save_LDFLAGS=$LDFLAGS
3047                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3048                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3049                                 LDFLAGS=$cf_save_LDFLAGS])
3050                 if test $cf_cv_ldflags_search_paths_first = yes; then
3051                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3052                 fi
3053                 ;;
3054         (hpux[[7-8]]*)
3055                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3056                 if test "$GCC" != yes; then
3057                         CC_SHARED_OPTS='+Z'
3058                 fi
3059                 MK_SHARED_LIB='${LD} -b -o $[@]'
3060                 INSTALL_LIB="-m 555"
3061                 ;;
3062         (hpux*)
3063                 # (tested with gcc 2.7.2 -- I don't have c89)
3064                 if test "$GCC" = yes; then
3065                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3066                 else
3067                         CC_SHARED_OPTS='+Z'
3068                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3069                 fi
3070                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3071                 # HP-UX shared libraries must be executable, and should be
3072                 # readonly to exploit a quirk in the memory manager.
3073                 INSTALL_LIB="-m 555"
3074                 ;;
3075         (interix*)
3076                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3077                 if test "$cf_cv_shlib_version" = rel; then
3078                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3079                 else
3080                         cf_shared_soname='`basename $@`'
3081                 fi
3082                 CC_SHARED_OPTS=
3083                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3084                 ;;
3085         (irix*)
3086                 if test "$cf_cv_enable_rpath" = yes ; then
3087                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3088                 fi
3089                 # tested with IRIX 5.2 and 'cc'.
3090                 if test "$GCC" != yes; then
3091                         CC_SHARED_OPTS='-KPIC'
3092                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3093                 else
3094                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3095                 fi
3096                 cf_cv_rm_so_locs=yes
3097                 ;;
3098         (linux*|gnu*|k*bsd*-gnu)
3099                 if test "$DFT_LWR_MODEL" = "shared" ; then
3100                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3101                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3102                 fi
3103                 if test "$cf_cv_enable_rpath" = yes ; then
3104                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3105                 fi
3106                 CF_SHARED_SONAME
3107                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3108                 ;;
3109         (mingw*)
3110                 cf_cv_shlib_version=mingw
3111                 cf_cv_shlib_version_infix=mingw
3112                 shlibdir=$bindir
3113                 MAKE_DLLS=
3114                 if test "$DFT_LWR_MODEL" = "shared" ; then
3115                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3116                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3117                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3118                 fi
3119                 CC_SHARED_OPTS=
3120                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3121                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3122                 cat >mk_shared_lib.sh <<-CF_EOF
3123                 #!/bin/sh
3124                 SHARED_LIB=\[$]1
3125                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3126                 shift
3127                 cat <<-EOF
3128                 Linking shared library
3129                 ** SHARED_LIB \[$]SHARED_LIB
3130                 ** IMPORT_LIB \[$]IMPORT_LIB
3131 EOF
3132                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3133 CF_EOF
3134                 chmod +x mk_shared_lib.sh
3135                 ;;
3136         (openbsd[[2-9]].*|mirbsd*)
3137                 if test "$DFT_LWR_MODEL" = "shared" ; then
3138                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3139                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3140                 fi
3141                 if test "$cf_cv_enable_rpath" = yes ; then
3142                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3143                 fi
3144                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3145                 CF_SHARED_SONAME
3146                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3147                 ;;
3148         (nto-qnx*|openbsd*|freebsd[[12]].*)
3149                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3150                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3151                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3152                 ;;
3153         (dragonfly*|freebsd*)
3154                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3155                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3156                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3157                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3158                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3159                 fi
3160                 CF_SHARED_SONAME
3161                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3162                 ;;
3163         (netbsd*)
3164                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3165                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3166                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3167                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3168                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3169                         if test "$cf_cv_shlib_version" = auto; then
3170                         if test -f /usr/libexec/ld.elf_so; then
3171                                 cf_cv_shlib_version=abi
3172                         else
3173                                 cf_cv_shlib_version=rel
3174                         fi
3175                         fi
3176                         CF_SHARED_SONAME
3177                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3178                 else
3179                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3180                 fi
3181                 ;;
3182         (osf*|mls+*)
3183                 # tested with OSF/1 V3.2 and 'cc'
3184                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3185                 # link with shared libs).
3186                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3187                 case $host_os in
3188                 (osf4*)
3189                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3190                         ;;
3191                 esac
3192                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3193                 if test "$DFT_LWR_MODEL" = "shared" ; then
3194                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3195                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3196                 fi
3197                 cf_cv_rm_so_locs=yes
3198                 ;;
3199         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
3200                 # tested with osr5.0.5
3201                 if test "$GCC" != yes; then
3202                         CC_SHARED_OPTS='-belf -KPIC'
3203                 fi
3204                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3205                 if test "$cf_cv_enable_rpath" = yes ; then
3206                         # only way is to set LD_RUN_PATH but no switch for it
3207                         RUN_PATH=$libdir
3208                 fi
3209                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3210                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3211                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3212                 ;;
3213         (sunos4*)
3214                 # tested with SunOS 4.1.1 and gcc 2.7.0
3215                 if test "$GCC" != yes; then
3216                         CC_SHARED_OPTS='-KPIC'
3217                 fi
3218                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3219                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3220                 ;;
3221         (solaris2*)
3222                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3223                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3224                 if test "$DFT_LWR_MODEL" = "shared" ; then
3225                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3226                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3227                 fi
3228                 if test "$cf_cv_enable_rpath" = yes ; then
3229                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3230                 fi
3231                 CF_SHARED_SONAME
3232                 if test "$GCC" != yes; then
3233                         cf_save_CFLAGS="$CFLAGS"
3234                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3235                         do
3236                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3237                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3238                         done
3239                         CFLAGS="$cf_save_CFLAGS"
3240                         CC_SHARED_OPTS=$cf_shared_opts
3241                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3242                 else
3243                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3244                 fi
3245                 ;;
3246         (sysv5uw7*|unix_sv*)
3247                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3248                 if test "$GCC" != yes; then
3249                         CC_SHARED_OPTS='-KPIC'
3250                 fi
3251                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3252                 ;;
3253         (*)
3254                 CC_SHARED_OPTS='unknown'
3255                 MK_SHARED_LIB='echo unknown'
3256                 ;;
3257         esac
3258
3259         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3260         case "$cf_cv_shlib_version" in
3261         (rel|abi)
3262                 case "$MK_SHARED_LIB" in
3263                 (*'-o $[@]')
3264                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3265                         ;;
3266                 (*)
3267                         AC_MSG_WARN(ignored --with-shlib-version)
3268                         ;;
3269                 esac
3270                 ;;
3271         esac
3272
3273         if test -n "$cf_try_cflags"
3274         then
3275 cat > conftest.$ac_ext <<EOF
3276 #line __oline__ "${as_me:-configure}"
3277 #include <stdio.h>
3278 int main(int argc, char *argv[[]])
3279 {
3280         printf("hello\n");
3281         return (argv[[argc-1]] == 0) ;
3282 }
3283 EOF
3284                 cf_save_CFLAGS="$CFLAGS"
3285                 for cf_opt in $cf_try_cflags
3286                 do
3287                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3288                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3289                         if AC_TRY_EVAL(ac_compile); then
3290                                 AC_MSG_RESULT(yes)
3291                                 cf_save_CFLAGS="$CFLAGS"
3292                         else
3293                                 AC_MSG_RESULT(no)
3294                         fi
3295                 done
3296                 CFLAGS="$cf_save_CFLAGS"
3297         fi
3298
3299
3300         # RPATH_LIST is a colon-separated list of directories
3301         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3302         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3303
3304         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3305
3306         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3307         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3308
3309         AC_SUBST(CC_SHARED_OPTS)
3310         AC_SUBST(LD_RPATH_OPT)
3311         AC_SUBST(LD_SHARED_OPTS)
3312         AC_SUBST(MK_SHARED_LIB)
3313         AC_SUBST(RM_SHARED_OPTS)
3314
3315         AC_SUBST(LINK_PROGS)
3316         AC_SUBST(LINK_TESTS)
3317
3318         AC_SUBST(EXTRA_LDFLAGS)
3319         AC_SUBST(LOCAL_LDFLAGS)
3320         AC_SUBST(LOCAL_LDFLAGS2)
3321
3322         AC_SUBST(INSTALL_LIB)
3323         AC_SUBST(RPATH_LIST)
3324 ])dnl
3325 dnl ---------------------------------------------------------------------------
3326 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3327 dnl ----------------
3328 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3329 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3330 dnl option.
3331 dnl
3332 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3333 dnl If missing, use "rel".
3334 define([CF_SHARED_SONAME],
3335 [
3336         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3337         if test "$cf_cv_shlib_version" = rel; then
3338                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3339         else
3340                 cf_cv_shared_soname='`basename $[@]`'
3341         fi
3342 ])
3343 dnl ---------------------------------------------------------------------------
3344 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3345 dnl --------------
3346 dnl     Remove "-g" option from the compiler options
3347 AC_DEFUN([CF_STRIP_G_OPT],
3348 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3349 dnl ---------------------------------------------------------------------------
3350 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3351 dnl --------------
3352 dnl Construct a search-list for a nonstandard header/lib-file
3353 dnl     $1 = the variable to return as result
3354 dnl     $2 = the package name
3355 dnl     $3 = the subdirectory, e.g., bin, include or lib
3356 AC_DEFUN([CF_SUBDIR_PATH],
3357 [
3358 $1=
3359
3360 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3361
3362 for cf_subdir_prefix in \
3363         /usr \
3364         /usr/local \
3365         /usr/pkg \
3366         /opt \
3367         /opt/local \
3368         [$]HOME
3369 do
3370         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3371 done
3372 ])dnl
3373 dnl ---------------------------------------------------------------------------
3374 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3375 dnl --------------
3376 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3377 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3378 dnl but some packagers change this, breaking various applications.
3379 AC_DEFUN([CF_TERM_HEADER],[
3380 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3381 case ${cf_cv_ncurses_header} in
3382 (*/ncurses.h|*/ncursesw.h)
3383         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3384         ;;
3385 (*)
3386         cf_term_header=term.h
3387         ;;
3388 esac
3389
3390 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3391 do
3392 AC_TRY_COMPILE([#include <stdio.h>
3393 #include <${cf_cv_ncurses_header:-curses.h}>
3394 #include <$cf_test>
3395 ],[int x = auto_left_margin],[
3396         cf_cv_term_header="$cf_test"],[
3397         cf_cv_term_header=unknown
3398         ])
3399         test "$cf_cv_term_header" != unknown && break
3400 done
3401 ])
3402
3403 # Set definitions to allow ifdef'ing to accommodate subdirectories
3404
3405 case $cf_cv_term_header in
3406 (*term.h)
3407         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3408         ;;
3409 esac
3410
3411 case $cf_cv_term_header in
3412 (ncurses/term.h)
3413         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3414         ;;
3415 (ncursesw/term.h)
3416         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3417         ;;
3418 esac
3419 ])dnl
3420 dnl ---------------------------------------------------------------------------
3421 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3422 dnl ---------------
3423 dnl Define a top_builddir symbol, for applications that need an absolute path.
3424 AC_DEFUN([CF_TOP_BUILDDIR],
3425 [
3426 top_builddir=ifelse($1,,`pwd`,$1)
3427 AC_SUBST(top_builddir)
3428 ])dnl
3429 dnl ---------------------------------------------------------------------------
3430 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3431 dnl -------------------
3432 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3433 dnl can define it successfully.
3434 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3435 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3436         AC_TRY_COMPILE([
3437 #include <stdlib.h>
3438 #include <string.h>
3439 #include <sys/types.h>
3440 ],[
3441 #ifndef _XOPEN_SOURCE
3442 make an error
3443 #endif],
3444         [cf_cv_xopen_source=no],
3445         [cf_save="$CPPFLAGS"
3446          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3447          AC_TRY_COMPILE([
3448 #include <stdlib.h>
3449 #include <string.h>
3450 #include <sys/types.h>
3451 ],[
3452 #ifdef _XOPEN_SOURCE
3453 make an error
3454 #endif],
3455         [cf_cv_xopen_source=no],
3456         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3457         CPPFLAGS="$cf_save"
3458         ])
3459 ])
3460
3461 if test "$cf_cv_xopen_source" != no ; then
3462         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3463         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3464         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3465         CF_ADD_CFLAGS($cf_temp_xopen_source)
3466 fi
3467 ])
3468 dnl ---------------------------------------------------------------------------
3469 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3470 dnl --------
3471 dnl Make an uppercase version of a variable
3472 dnl $1=uppercase($2)
3473 AC_DEFUN([CF_UPPER],
3474 [
3475 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3476 ])dnl
3477 dnl ---------------------------------------------------------------------------
3478 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3479 dnl -----------
3480 dnl Check for multibyte support, and if not found, utf8 compatibility library
3481 AC_DEFUN([CF_UTF8_LIB],
3482 [
3483 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3484         cf_save_LIBS="$LIBS"
3485         AC_TRY_LINK([
3486 #include <stdlib.h>],[putwc(0,0);],
3487         [cf_cv_utf8_lib=yes],
3488         [CF_FIND_LINKAGE([
3489 #include <libutf8.h>],[putwc(0,0);],utf8,
3490                 [cf_cv_utf8_lib=add-on],
3491                 [cf_cv_utf8_lib=no])
3492 ])])
3493
3494 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3495 # ncurses/ncursesw:
3496 if test "$cf_cv_utf8_lib" = "add-on" ; then
3497         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3498         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3499         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3500         CF_ADD_LIBS($cf_cv_library_file_utf8)
3501 fi
3502 ])dnl
3503 dnl ---------------------------------------------------------------------------
3504 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3505 dnl ----------
3506 dnl Use AC_VERBOSE w/o the warnings
3507 AC_DEFUN([CF_VERBOSE],
3508 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3509 CF_MSG_LOG([$1])
3510 ])dnl
3511 dnl ---------------------------------------------------------------------------
3512 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3513 dnl ---------------
3514 dnl Check for compiler-support for weak symbols.
3515 dnl This works with "recent" gcc.
3516 AC_DEFUN([CF_WEAK_SYMBOLS],[
3517 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3518
3519 AC_TRY_COMPILE([
3520 #include <stdio.h>],
3521 [
3522 #if defined(__GNUC__)
3523 #  if defined __USE_ISOC99
3524 #    define _cat_pragma(exp)    _Pragma(#exp)
3525 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3526 #  else
3527 #    define _weak_pragma(exp)
3528 #  endif
3529 #  define _declare(name)        __extension__ extern __typeof__(name) name
3530 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3531 #endif
3532
3533 weak_symbol(fopen);
3534 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3535 ])
3536 ])dnl
3537 dnl ---------------------------------------------------------------------------
3538 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3539 dnl --------------------
3540 dnl Command-line option to specify the Ada95 compiler.
3541 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3542 AC_MSG_CHECKING(for ada-compiler)
3543 AC_ARG_WITH(ada-compiler,
3544         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3545         [cf_ada_compiler=$withval],
3546         [cf_ada_compiler=gnatmake])
3547 AC_SUBST(cf_ada_compiler)
3548 AC_MSG_RESULT($cf_ada_compiler)
3549 ])dnl
3550 dnl ---------------------------------------------------------------------------
3551 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3552 dnl -------------------
3553 dnl Command-line option to specify where Ada includes will install.
3554 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3555 AC_MSG_CHECKING(for ada-include)
3556 CF_WITH_PATH(ada-include,
3557    [  --with-ada-include=DIR  Ada includes are in DIR],
3558    ADA_INCLUDE,
3559    PREFIX/share/ada/adainclude,
3560    [$]prefix/share/ada/adainclude)
3561 AC_SUBST(ADA_INCLUDE)
3562 AC_MSG_RESULT($ADA_INCLUDE)
3563 ])dnl
3564 dnl ---------------------------------------------------------------------------
3565 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3566 dnl -------------------
3567 dnl Command-line option to specify where Ada objects will install.
3568 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3569 AC_MSG_CHECKING(for ada-objects)
3570 CF_WITH_PATH(ada-objects,
3571    [  --with-ada-objects=DIR  Ada objects are in DIR],
3572    ADA_OBJECTS,
3573    PREFIX/lib/ada/adalib,
3574    [$]prefix/lib/ada/adalib)
3575 AC_SUBST(ADA_OBJECTS)
3576 AC_MSG_RESULT($ADA_OBJECTS)
3577 ])dnl
3578 dnl ---------------------------------------------------------------------------
3579 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3580 dnl ---------------------
3581 dnl Command-line option to specify if an Ada95 shared-library should be built,
3582 dnl and optionally what its soname should be.
3583 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3584 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3585 AC_ARG_WITH(ada-sharedlib,
3586         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3587         [with_ada_sharedlib=$withval],
3588         [with_ada_sharedlib=no])
3589 AC_MSG_RESULT($with_ada_sharedlib)
3590
3591 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3592 MAKE_ADA_SHAREDLIB="#"
3593
3594 if test "x$with_ada_sharedlib" != xno
3595 then
3596         MAKE_ADA_SHAREDLIB=
3597         if test "x$with_ada_sharedlib" != xyes
3598         then
3599                 ADA_SHAREDLIB="$with_ada_sharedlib"
3600         fi
3601 fi
3602
3603 AC_SUBST(ADA_SHAREDLIB)
3604 AC_SUBST(MAKE_ADA_SHAREDLIB)
3605 ])dnl
3606 dnl ---------------------------------------------------------------------------
3607 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3608 dnl ------------------
3609 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3610 dnl libraries.
3611 AC_DEFUN([CF_WITH_CURSES_DIR],[
3612
3613 AC_MSG_CHECKING(for specific curses-directory)
3614 AC_ARG_WITH(curses-dir,
3615         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3616         [cf_cv_curses_dir=$withval],
3617         [cf_cv_curses_dir=no])
3618 AC_MSG_RESULT($cf_cv_curses_dir)
3619
3620 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3621 then
3622         CF_PATH_SYNTAX(withval)
3623         if test -d "$cf_cv_curses_dir"
3624         then
3625                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3626                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3627         fi
3628 fi
3629 ])dnl
3630 dnl ---------------------------------------------------------------------------
3631 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3632 dnl ------------------
3633 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3634 dnl "lib" prefix, e.g., because it used the dll naming convention.
3635 dnl
3636 dnl $1 = variable to set
3637 AC_DEFUN([CF_WITH_LIB_PREFIX],
3638 [
3639 AC_MSG_CHECKING(if you want to have a library-prefix)
3640 AC_ARG_WITH(lib-prefix,
3641         [  --with-lib-prefix       override library-prefix],
3642         [with_lib_prefix=$withval],
3643         [with_lib_prefix=auto])
3644 AC_MSG_RESULT($with_lib_prefix)
3645
3646 if test $with_lib_prefix = auto
3647 then
3648         CF_LIB_PREFIX($1)
3649 elif test $with_lib_prefix = no
3650 then
3651         LIB_PREFIX=
3652 else
3653         LIB_PREFIX=$with_lib_prefix
3654 fi
3655 ])dnl
3656 dnl ---------------------------------------------------------------------------
3657 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3658 dnl ------------
3659 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3660 dnl defaulting to yes/no.
3661 dnl
3662 dnl $1 = option name
3663 dnl $2 = help-text
3664 dnl $3 = environment variable to set
3665 dnl $4 = default value, shown in the help-message, must be a constant
3666 dnl $5 = default value, if it's an expression & cannot be in the help-message
3667 dnl
3668 AC_DEFUN([CF_WITH_PATH],
3669 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3670 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3671 if ifelse([$5],,true,[test -n "$5"]) ; then
3672 CF_PATH_SYNTAX(withval)
3673 fi
3674 eval $3="$withval"
3675 AC_SUBST($3)dnl
3676 ])dnl
3677 dnl ---------------------------------------------------------------------------
3678 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 6 updated: 2015/04/17 21:13:04
3679 dnl -------------------------
3680 dnl Allow the choice of the pkg-config library directory to be overridden.
3681 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3682 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3683 AC_ARG_WITH(pkg-config-libdir,
3684         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3685         [PKG_CONFIG_LIBDIR=$withval],
3686         [PKG_CONFIG_LIBDIR=yes])
3687
3688 case x$PKG_CONFIG_LIBDIR in
3689 (x/*)
3690         ;;
3691 (xyes)
3692         # Look for the library directory using the same prefix as the executable
3693         if test "x$PKG_CONFIG" = xnone
3694         then
3695                 cf_path=$prefix
3696         else
3697                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3698         fi
3699
3700         # If you don't like using the default architecture, you have to specify the
3701         # intended library directory and corresponding compiler/linker options.
3702         #
3703         # This case allows for Debian's 2014-flavor of multiarch, along with the
3704         # most common variations before that point.  Some other variants spell the
3705         # directory differently, e.g., "pkg-config", and put it in unusual places.
3706         # pkg-config has always been poorly standardized, which is ironic...
3707         case x`(arch) 2>/dev/null` in
3708         (*64)
3709                 cf_search_path="\
3710                         $cf_path/lib/*64-linux-gnu \
3711                         $cf_path/share \
3712                         $cf_path/lib64 \
3713                         $cf_path/lib32 \
3714                         $cf_path/lib"
3715                 ;;
3716         (*)
3717                 cf_search_path="\
3718                         $cf_path/lib/*-linux-gnu \
3719                         $cf_path/share \
3720                         $cf_path/lib32 \
3721                         $cf_path/lib \
3722                         $cf_path/libdata"
3723                 ;;
3724         esac
3725
3726         CF_VERBOSE(list...)
3727         for cf_config in $cf_search_path
3728         do
3729                 CF_VERBOSE(checking $cf_config/pkgconfig)
3730                 if test -d $cf_config/pkgconfig
3731                 then
3732                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3733                         AC_MSG_CHECKING(done)
3734                         break
3735                 fi
3736         done
3737         ;;
3738 (*)
3739         ;;
3740 esac
3741
3742 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3743
3744 AC_SUBST(PKG_CONFIG_LIBDIR)
3745 ])dnl
3746 dnl ---------------------------------------------------------------------------
3747 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
3748 dnl ---------------
3749 dnl Check for POSIX thread library.
3750 AC_DEFUN([CF_WITH_PTHREAD],
3751 [
3752 AC_MSG_CHECKING(if you want to link with the pthread library)
3753 AC_ARG_WITH(pthread,
3754         [  --with-pthread          use POSIX thread library],
3755         [with_pthread=$withval],
3756         [with_pthread=no])
3757 AC_MSG_RESULT($with_pthread)
3758
3759 if test "$with_pthread" != no ; then
3760         AC_CHECK_HEADER(pthread.h,[
3761         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3762
3763         for cf_lib_pthread in pthread c_r
3764         do
3765             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3766             cf_save_LIBS="$LIBS"
3767             CF_ADD_LIB($cf_lib_pthread)
3768             AC_TRY_LINK([
3769 #include <pthread.h>
3770 ],[
3771                 int rc = pthread_create(0,0,0,0);
3772                 int r2 = pthread_mutexattr_settype(0, 0);
3773 ],[with_pthread=yes],[with_pthread=no])
3774             LIBS="$cf_save_LIBS"
3775             AC_MSG_RESULT($with_pthread)
3776             test "$with_pthread" = yes && break
3777         done
3778
3779         if test "$with_pthread" = yes ; then
3780             CF_ADD_LIB($cf_lib_pthread)
3781             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3782         else
3783             AC_MSG_ERROR(Cannot link with pthread library)
3784         fi
3785         ])
3786 fi
3787 ])
3788 dnl ---------------------------------------------------------------------------
3789 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3790 dnl ---------------
3791 dnl For testing, override the derived host system-type which is used to decide
3792 dnl things such as the linker commands used to build shared libraries.  This is
3793 dnl normally chosen automatically based on the type of system which you are
3794 dnl building on.  We use it for testing the configure script.
3795 dnl
3796 dnl This is different from the --host option: it is used only for testing parts
3797 dnl of the configure script which would not be reachable with --host since that
3798 dnl relies on the build environment being real, rather than mocked up.
3799 AC_DEFUN([CF_WITH_SYSTYPE],[
3800 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3801 AC_ARG_WITH(system-type,
3802         [  --with-system-type=XXX  test: override derived host system-type],
3803 [AC_MSG_WARN(overriding system type to $withval)
3804         cf_cv_system_name=$withval
3805         host_os=$withval
3806 ])
3807 ])dnl
3808 dnl ---------------------------------------------------------------------------
3809 dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
3810 dnl ---------------
3811 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3812 dnl or adapt to the vendor's definitions to get equivalent functionality,
3813 dnl without losing the common non-POSIX features.
3814 dnl
3815 dnl Parameters:
3816 dnl     $1 is the nominal value for _XOPEN_SOURCE
3817 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3818 AC_DEFUN([CF_XOPEN_SOURCE],[
3819 AC_REQUIRE([AC_CANONICAL_HOST])
3820
3821 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3822 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3823 cf_xopen_source=
3824
3825 case $host_os in
3826 (aix[[4-7]]*)
3827         cf_xopen_source="-D_ALL_SOURCE"
3828         ;;
3829 (cygwin|msys)
3830         cf_XOPEN_SOURCE=600
3831         ;;
3832 (darwin[[0-8]].*)
3833         cf_xopen_source="-D_APPLE_C_SOURCE"
3834         ;;
3835 (darwin*)
3836         cf_xopen_source="-D_DARWIN_C_SOURCE"
3837         cf_XOPEN_SOURCE=
3838         ;;
3839 (freebsd*|dragonfly*)
3840         # 5.x headers associate
3841         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3842         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3843         cf_POSIX_C_SOURCE=200112L
3844         cf_XOPEN_SOURCE=600
3845         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3846         ;;
3847 (hpux11*)
3848         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3849         ;;
3850 (hpux*)
3851         cf_xopen_source="-D_HPUX_SOURCE"
3852         ;;
3853 (irix[[56]].*)
3854         cf_xopen_source="-D_SGI_SOURCE"
3855         cf_XOPEN_SOURCE=
3856         ;;
3857 (linux*|gnu*|mint*|k*bsd*-gnu)
3858         CF_GNU_SOURCE
3859         ;;
3860 (minix*)
3861         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3862         ;;
3863 (mirbsd*)
3864         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3865         cf_XOPEN_SOURCE=
3866         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3867         ;;
3868 (netbsd*)
3869         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3870         ;;
3871 (openbsd[[4-9]]*)
3872         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3873         cf_xopen_source="-D_BSD_SOURCE"
3874         cf_XOPEN_SOURCE=600
3875         ;;
3876 (openbsd*)
3877         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3878         ;;
3879 (osf[[45]]*)
3880         cf_xopen_source="-D_OSF_SOURCE"
3881         ;;
3882 (nto-qnx*)
3883         cf_xopen_source="-D_QNX_SOURCE"
3884         ;;
3885 (sco*)
3886         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3887         ;;
3888 (solaris2.*)
3889         cf_xopen_source="-D__EXTENSIONS__"
3890         cf_cv_xopen_source=broken
3891         ;;
3892 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3893         cf_XOPEN_SOURCE=
3894         cf_POSIX_C_SOURCE=
3895         ;;
3896 (*)
3897         CF_TRY_XOPEN_SOURCE
3898         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3899         ;;
3900 esac
3901
3902 if test -n "$cf_xopen_source" ; then
3903         CF_ADD_CFLAGS($cf_xopen_source,true)
3904 fi
3905
3906 dnl In anything but the default case, we may have system-specific setting
3907 dnl which is still not guaranteed to provide all of the entrypoints that
3908 dnl _XOPEN_SOURCE would yield.
3909 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3910         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3911         AC_TRY_COMPILE([#include <stdlib.h>],[
3912 #ifndef _XOPEN_SOURCE
3913 make an error
3914 #endif],
3915         [cf_XOPEN_SOURCE_set=yes],
3916         [cf_XOPEN_SOURCE_set=no])
3917         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3918         if test $cf_XOPEN_SOURCE_set = yes
3919         then
3920                 AC_TRY_COMPILE([#include <stdlib.h>],[
3921 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3922 make an error
3923 #endif],
3924                 [cf_XOPEN_SOURCE_set_ok=yes],
3925                 [cf_XOPEN_SOURCE_set_ok=no])
3926                 if test $cf_XOPEN_SOURCE_set_ok = no
3927                 then
3928                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3929                 fi
3930         else
3931                 CF_TRY_XOPEN_SOURCE
3932         fi
3933 fi
3934 ])