Ada95/aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 2010-2014,2015 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 1.107 2015/10/10 19:52:33 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: 14 updated: 2015/05/25 20:53:04
 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           else
 240                 break
 241           fi
 242         done
 243   done
 244 fi
 245 ])dnl
 246 dnl ---------------------------------------------------------------------------
 247 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 248 dnl ----------
 249 dnl Add a library, used to enforce consistency.
 250 dnl
 251 dnl $1 = library to add, without the "-l"
 252 dnl $2 = variable to update (default $LIBS)
 253 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 254 dnl ---------------------------------------------------------------------------
 255 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 256 dnl -------------
 257 dnl     Adds to the library-path
 258 dnl
 259 dnl     Some machines have trouble with multiple -L options.
 260 dnl
 261 dnl $1 is the (list of) directory(s) to add
 262 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 263 dnl
 264 AC_DEFUN([CF_ADD_LIBDIR],
 265 [
 266 if test -n "$1" ; then
 267         for cf_add_libdir in $1
 268         do
 269                 if test $cf_add_libdir = /usr/lib ; then
 270                         :
 271                 elif test -d $cf_add_libdir
 272                 then
 273                         cf_have_libdir=no
 274                         if test -n "$LDFLAGS$LIBS" ; then
 275                                 # a loop is needed to ensure we can add subdirs of existing dirs
 276                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 277                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 278                                                 cf_have_libdir=yes; break
 279                                         fi
 280                                 done
 281                         fi
 282                         if test "$cf_have_libdir" = no ; then
 283                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 284                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 285                         fi
 286                 fi
 287         done
 288 fi
 289 ])dnl
 290 dnl ---------------------------------------------------------------------------
 291 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
 292 dnl -----------
 293 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 294 dnl prepended to an existing list, since their dependencies are assumed to
 295 dnl already exist in the list.
 296 dnl
 297 dnl $1 = libraries to add, with the "-l", etc.
 298 dnl $2 = variable to update (default $LIBS)
 299 AC_DEFUN([CF_ADD_LIBS],[
 300 cf_add_libs="$1"
 301 # Filter out duplicates - this happens with badly-designed ".pc" files...
 302 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 303 do
 304         for cf_add_2lib in $cf_add_libs
 305         do
 306                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 307                 then
 308                         cf_add_1lib=
 309                         break
 310                 fi
 311         done
 312         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 313 done
 314 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 315 ])dnl
 316 dnl ---------------------------------------------------------------------------
 317 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 318 dnl ------------------
 319 dnl Append to a search-list for a nonstandard header/lib-file
 320 dnl     $1 = the variable to return as result
 321 dnl     $2 = the package name
 322 dnl     $3 = the subdirectory, e.g., bin, include or lib
 323 dnl $4 = the directory under which we will test for subdirectories
 324 dnl $5 = a directory that we do not want $4 to match
 325 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 326 [
 327 test "x$4" != "x$5" && \
 328 test -d "$4" && \
 329 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 330         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 331         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 332         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 333         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 334         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 335         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 336 }
 337 ])dnl
 338 dnl ---------------------------------------------------------------------------
 339 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 340 dnl --------------
 341 dnl Allow user to disable a normally-on option.
 342 AC_DEFUN([CF_ARG_DISABLE],
 343 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 344 dnl ---------------------------------------------------------------------------
 345 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 346 dnl -------------
 347 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 348 dnl values.
 349 dnl
 350 dnl Parameters:
 351 dnl $1 = option name
 352 dnl $2 = help-string
 353 dnl $3 = action to perform if option is not default
 354 dnl $4 = action if perform if option is default
 355 dnl $5 = default option value (either 'yes' or 'no')
 356 AC_DEFUN([CF_ARG_OPTION],
 357 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 358         if test "$enableval" != "$5" ; then
 359 ifelse([$3],,[    :]dnl
 360 ,[    $3]) ifelse([$4],,,[
 361         else
 362                 $4])
 363         fi],[enableval=$5 ifelse([$4],,,[
 364         $4
 365 ])dnl
 366 ])])dnl
 367 dnl ---------------------------------------------------------------------------
 368 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
 369 dnl -----------
 370 dnl Check for suitable "ar" (archiver) options for updating an archive.
 371 dnl
 372 dnl In particular, handle some obsolete cases where the "-" might be omitted,
 373 dnl as well as a workaround for breakage of make's archive rules by the GNU
 374 dnl binutils "ar" program.
 375 AC_DEFUN([CF_AR_FLAGS],[
 376 AC_REQUIRE([CF_PROG_AR])
 377
 378 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 379         cf_cv_ar_flags=unknown
 380         for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
 381         do
 382
 383                 # check if $ARFLAGS already contains this choice
 384                 if test "x$ARFLAGS" != "x" ; then
 385                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 386                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 387                                 cf_cv_ar_flags=
 388                                 break
 389                         fi
 390                 fi
 391
 392                 rm -f conftest.$ac_cv_objext
 393                 rm -f conftest.a
 394
 395                 cat >conftest.$ac_ext <<EOF
 396 #line __oline__ "configure"
 397 int     testdata[[3]] = { 123, 456, 789 };
 398 EOF
 399                 if AC_TRY_EVAL(ac_compile) ; then
 400                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 401                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 402                         if test -f conftest.a ; then
 403                                 cf_cv_ar_flags=$cf_ar_flags
 404                                 break
 405                         fi
 406                 else
 407                         CF_VERBOSE(cannot compile test-program)
 408                         break
 409                 fi
 410         done
 411         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 412 ])
 413
 414 if test -n "$ARFLAGS" ; then
 415         if test -n "$cf_cv_ar_flags" ; then
 416                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 417         fi
 418 else
 419         ARFLAGS=$cf_cv_ar_flags
 420 fi
 421
 422 AC_SUBST(ARFLAGS)
 423 ])
 424 dnl ---------------------------------------------------------------------------
 425 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 426 dnl -----------
 427 dnl If we're cross-compiling, allow the user to override the tools and their
 428 dnl options.  The configure script is oriented toward identifying the host
 429 dnl compiler, etc., but we need a build compiler to generate parts of the
 430 dnl source.
 431 dnl
 432 dnl $1 = default for $CPPFLAGS
 433 dnl $2 = default for $LIBS
 434 AC_DEFUN([CF_BUILD_CC],[
 435 CF_ACVERSION_CHECK(2.52,,
 436         [AC_REQUIRE([CF_PROG_EXT])])
 437 if test "$cross_compiling" = yes ; then
 438
 439         # defaults that we might want to override
 440         : ${BUILD_CFLAGS:=''}
 441         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 442         : ${BUILD_LDFLAGS:=''}
 443         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 444         : ${BUILD_EXEEXT:='$x'}
 445         : ${BUILD_OBJEXT:='o'}
 446
 447         AC_ARG_WITH(build-cc,
 448                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 449                 [BUILD_CC="$withval"],
 450                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 451         AC_MSG_CHECKING(for native build C compiler)
 452         AC_MSG_RESULT($BUILD_CC)
 453
 454         AC_MSG_CHECKING(for native build C preprocessor)
 455         AC_ARG_WITH(build-cpp,
 456                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 457                 [BUILD_CPP="$withval"],
 458                 [BUILD_CPP='${BUILD_CC} -E'])
 459         AC_MSG_RESULT($BUILD_CPP)
 460
 461         AC_MSG_CHECKING(for native build C flags)
 462         AC_ARG_WITH(build-cflags,
 463                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 464                 [BUILD_CFLAGS="$withval"])
 465         AC_MSG_RESULT($BUILD_CFLAGS)
 466
 467         AC_MSG_CHECKING(for native build C preprocessor-flags)
 468         AC_ARG_WITH(build-cppflags,
 469                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 470                 [BUILD_CPPFLAGS="$withval"])
 471         AC_MSG_RESULT($BUILD_CPPFLAGS)
 472
 473         AC_MSG_CHECKING(for native build linker-flags)
 474         AC_ARG_WITH(build-ldflags,
 475                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 476                 [BUILD_LDFLAGS="$withval"])
 477         AC_MSG_RESULT($BUILD_LDFLAGS)
 478
 479         AC_MSG_CHECKING(for native build linker-libraries)
 480         AC_ARG_WITH(build-libs,
 481                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 482                 [BUILD_LIBS="$withval"])
 483         AC_MSG_RESULT($BUILD_LIBS)
 484
 485         # this assumes we're on Unix.
 486         BUILD_EXEEXT=
 487         BUILD_OBJEXT=o
 488
 489         : ${BUILD_CC:='${CC}'}
 490
 491         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 492                 AC_MSG_ERROR([Cross-build requires two compilers.
 493 Use --with-build-cc to specify the native compiler.])
 494         fi
 495
 496 else
 497         : ${BUILD_CC:='${CC}'}
 498         : ${BUILD_CPP:='${CPP}'}
 499         : ${BUILD_CFLAGS:='${CFLAGS}'}
 500         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 501         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 502         : ${BUILD_LIBS:='${LIBS}'}
 503         : ${BUILD_EXEEXT:='$x'}
 504         : ${BUILD_OBJEXT:='o'}
 505 fi
 506
 507 AC_SUBST(BUILD_CC)
 508 AC_SUBST(BUILD_CPP)
 509 AC_SUBST(BUILD_CFLAGS)
 510 AC_SUBST(BUILD_CPPFLAGS)
 511 AC_SUBST(BUILD_LDFLAGS)
 512 AC_SUBST(BUILD_LIBS)
 513 AC_SUBST(BUILD_EXEEXT)
 514 AC_SUBST(BUILD_OBJEXT)
 515 ])dnl
 516 dnl ---------------------------------------------------------------------------
 517 dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
 518 dnl ---------------
 519 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 520 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 521 dnl options, but eliminates a more common category of user confusion.
 522 AC_DEFUN([CF_CC_ENV_FLAGS],
 523 [
 524 # This should have been defined by AC_PROG_CC
 525 : ${CC:=cc}
 526
 527 AC_MSG_CHECKING(\$CC variable)
 528 case "$CC" in
 529 (*[[\ \ ]]-[[IUD]]*)
 530         AC_MSG_RESULT(broken)
 531         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 532         # humor him...
 533         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 534         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 535         CF_ADD_CFLAGS($cf_flags)
 536         ;;
 537 (*)
 538         AC_MSG_RESULT(ok)
 539         ;;
 540 esac
 541 ])dnl
 542 dnl ---------------------------------------------------------------------------
 543 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 544 dnl ---------------
 545 dnl Determine the default configuration into which we'll install ncurses.  This
 546 dnl can be overridden by the user's command-line options.  There's two items to
 547 dnl look for:
 548 dnl     1. the prefix (e.g., /usr)
 549 dnl     2. the header files (e.g., /usr/include/ncurses)
 550 dnl We'll look for a previous installation of ncurses and use the same defaults.
 551 dnl
 552 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 553 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 554 dnl programs from a vendor's.
 555 AC_DEFUN([CF_CFG_DEFAULTS],
 556 [
 557 AC_MSG_CHECKING(for prefix)
 558 if test "x$prefix" = "xNONE" ; then
 559         case "$cf_cv_system_name" in
 560                 # non-vendor systems don't have a conflict
 561         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 562                 prefix=/usr
 563                 ;;
 564         (*)     prefix=$ac_default_prefix
 565                 ;;
 566         esac
 567 fi
 568 AC_MSG_RESULT($prefix)
 569
 570 if test "x$prefix" = "xNONE" ; then
 571 AC_MSG_CHECKING(for default include-directory)
 572 test -n "$verbose" && echo 1>&AC_FD_MSG
 573 for cf_symbol in \
 574         $includedir \
 575         $includedir/ncurses \
 576         $prefix/include \
 577         $prefix/include/ncurses \
 578         /usr/local/include \
 579         /usr/local/include/ncurses \
 580         /usr/include \
 581         /usr/include/ncurses
 582 do
 583         cf_dir=`eval echo $cf_symbol`
 584         if test -f $cf_dir/curses.h ; then
 585         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 586                 includedir="$cf_symbol"
 587                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 588                 break
 589         fi
 590         fi
 591         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 592 done
 593 AC_MSG_RESULT($includedir)
 594 fi
 595 ])dnl
 596 dnl ---------------------------------------------------------------------------
 597 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 598 dnl --------------
 599 dnl Check if we're accidentally using a cache from a different machine.
 600 dnl Derive the system name, as a check for reusing the autoconf cache.
 601 dnl
 602 dnl If we've packaged config.guess and config.sub, run that (since it does a
 603 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 604 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 605 dnl which is useful in cross-compiles.
 606 dnl
 607 dnl Note: we would use $ac_config_sub, but that is one of the places where
 608 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 609 AC_DEFUN([CF_CHECK_CACHE],
 610 [
 611 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 612         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 613         system_name="$host_os"
 614 else
 615         system_name="`(uname -s -r) 2>/dev/null`"
 616         if test -z "$system_name" ; then
 617                 system_name="`(hostname) 2>/dev/null`"
 618         fi
 619 fi
 620 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 621 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 622
 623 test -z "$system_name" && system_name="$cf_cv_system_name"
 624 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 625
 626 if test ".$system_name" != ".$cf_cv_system_name" ; then
 627         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 628         AC_MSG_ERROR("Please remove config.cache and try again.")
 629 fi
 630 ])dnl
 631 dnl ---------------------------------------------------------------------------
 632 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 633 dnl -----------------
 634 dnl Check if the given compiler is really clang.  clang's C driver defines
 635 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 636 dnl not ignore some gcc options.
 637 dnl
 638 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 639 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 640 dnl the wrappers for gcc and g++ warnings.
 641 dnl
 642 dnl $1 = GCC (default) or GXX
 643 dnl $2 = CLANG_COMPILER (default)
 644 dnl $3 = CFLAGS (default) or CXXFLAGS
 645 AC_DEFUN([CF_CLANG_COMPILER],[
 646 ifelse([$2],,CLANG_COMPILER,[$2])=no
 647
 648 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 649         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 650         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 651         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 652         AC_TRY_COMPILE([],[
 653 #ifdef __clang__
 654 #else
 655 make an error
 656 #endif
 657 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 658 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 659 ],[])
 660         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 661         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 662 fi
 663 ])
 664 dnl ---------------------------------------------------------------------------
 665 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 666 dnl ----------------
 667 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 668 dnl variations of ncurses' installs.
 669 dnl
 670 dnl $1 = ncurses when looking for ncurses, or is empty
 671 AC_DEFUN([CF_CURSES_HEADER],[
 672 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 673 cf_cv_ncurses_header=none
 674 for cf_header in \
 675         ncurses.h ifelse($1,,,[$1/ncurses.h]) \
 676         curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 677 do
 678 AC_TRY_COMPILE([#include <${cf_header}>],
 679         [initscr(); tgoto("?", 0,0)],
 680         [cf_cv_ncurses_header=$cf_header; break],[])
 681 done
 682 ])
 683
 684 if test "$cf_cv_ncurses_header" = none ; then
 685         AC_MSG_ERROR(No curses header-files found)
 686 fi
 687
 688 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
 689 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 690 ])dnl
 691 dnl ---------------------------------------------------------------------------
 692 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
 693 dnl ----------
 694 dnl "dirname" is not portable, so we fake it with a shell script.
 695 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 696 dnl ---------------------------------------------------------------------------
 697 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 698 dnl ---------------
 699 dnl You can always use "make -n" to see the actual options, but it's hard to
 700 dnl pick out/analyze warning messages when the compile-line is long.
 701 dnl
 702 dnl Sets:
 703 dnl     ECHO_LT - symbol to control if libtool is verbose
 704 dnl     ECHO_LD - symbol to prefix "cc -o" lines
 705 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
 706 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
 707 dnl     ECHO_CC - symbol to put before any "cc" line
 708 dnl
 709 AC_DEFUN([CF_DISABLE_ECHO],[
 710 AC_MSG_CHECKING(if you want to see long compiling messages)
 711 CF_ARG_DISABLE(echo,
 712         [  --disable-echo          do not display "compiling" commands],
 713         [
 714         ECHO_LT='--silent'
 715         ECHO_LD='@echo linking [$]@;'
 716         RULE_CC='@echo compiling [$]<'
 717         SHOW_CC='@echo compiling [$]@'
 718         ECHO_CC='@'
 719 ],[
 720         ECHO_LT=''
 721         ECHO_LD=''
 722         RULE_CC=''
 723         SHOW_CC=''
 724         ECHO_CC=''
 725 ])
 726 AC_MSG_RESULT($enableval)
 727 AC_SUBST(ECHO_LT)
 728 AC_SUBST(ECHO_LD)
 729 AC_SUBST(RULE_CC)
 730 AC_SUBST(SHOW_CC)
 731 AC_SUBST(ECHO_CC)
 732 ])dnl
 733 dnl ---------------------------------------------------------------------------
 734 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
 735 dnl ------------------------
 736 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
 737 AC_MSG_CHECKING(if we want to use GNAT projects)
 738 CF_ARG_DISABLE(gnat-projects,
 739         [  --disable-gnat-projects test: disable GNAT projects even if usable],
 740         [enable_gnat_projects=no],
 741         [enable_gnat_projects=yes])
 742 AC_MSG_RESULT($enable_gnat_projects)
 743 ])dnl
 744 dnl ---------------------------------------------------------------------------
 745 dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
 746 dnl ------------------
 747 dnl This is the "--enable-pc-files" option, which is available if there is a
 748 dnl pkg-config configuration on the local machine.
 749 AC_DEFUN([CF_ENABLE_PC_FILES],[
 750 AC_REQUIRE([CF_PKG_CONFIG])
 751 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
 752
 753 if test "x$PKG_CONFIG" != xnone
 754 then
 755         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
 756 else
 757         AC_MSG_CHECKING(if we should install .pc files)
 758 fi
 759
 760 AC_ARG_ENABLE(pc-files,
 761         [  --enable-pc-files       generate and install .pc files for pkg-config],
 762         [enable_pc_files=$enableval],
 763         [enable_pc_files=no])
 764 AC_MSG_RESULT($enable_pc_files)
 765
 766 if test "x$enable_pc_files" != xno
 767 then
 768         case "x$PKG_CONFIG_LIBDIR" in
 769         (xno|xyes)
 770                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
 771                 MAKE_PC_FILES="#"
 772                 ;;
 773         (*)
 774                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
 775                 MAKE_PC_FILES=
 776                 ;;
 777         esac
 778 else
 779         MAKE_PC_FILES="#"
 780 fi
 781 AC_SUBST(MAKE_PC_FILES)
 782 ])dnl
 783 dnl ---------------------------------------------------------------------------
 784 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 785 dnl ---------------
 786 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 787 dnl prefer a standard location, and use -L options only if we do not find the
 788 dnl library in the standard library location(s).
 789 dnl     $1 = library name
 790 dnl     $2 = library class, usually the same as library name
 791 dnl     $3 = includes
 792 dnl     $4 = code fragment to compile/link
 793 dnl     $5 = corresponding function-name
 794 dnl     $6 = flag, nonnull if failure should not cause an error-exit
 795 dnl
 796 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
 797 dnl to use a -L option.
 798 AC_DEFUN([CF_FIND_LIBRARY],
 799 [
 800         eval 'cf_cv_have_lib_'$1'=no'
 801         cf_libdir=""
 802         AC_CHECK_FUNC($5,
 803                 eval 'cf_cv_have_lib_'$1'=yes',[
 804                 cf_save_LIBS="$LIBS"
 805                 AC_MSG_CHECKING(for $5 in -l$1)
 806                 LIBS="-l$1 $LIBS"
 807                 AC_TRY_LINK([$3],[$4],
 808                         [AC_MSG_RESULT(yes)
 809                          eval 'cf_cv_have_lib_'$1'=yes'
 810                         ],
 811                         [AC_MSG_RESULT(no)
 812                         CF_LIBRARY_PATH(cf_search,$2)
 813                         for cf_libdir in $cf_search
 814                         do
 815                                 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
 816                                 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
 817                                 AC_TRY_LINK([$3],[$4],
 818                                         [AC_MSG_RESULT(yes)
 819                                          eval 'cf_cv_have_lib_'$1'=yes'
 820                                          break],
 821                                         [AC_MSG_RESULT(no)
 822                                          LIBS="$cf_save_LIBS"])
 823                         done
 824                         ])
 825                 ])
 826 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 827 ifelse($6,,[
 828 if test $cf_found_library = no ; then
 829         AC_MSG_ERROR(Cannot link $1 library)
 830 fi
 831 ])
 832 ])dnl
 833 dnl ---------------------------------------------------------------------------
 834 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
 835 dnl ---------------
 836 dnl Find a library (specifically the linkage used in the code fragment),
 837 dnl searching for it if it is not already in the library path.
 838 dnl See also CF_ADD_SEARCHPATH.
 839 dnl
 840 dnl Parameters (4-on are optional):
 841 dnl     $1 = headers for library entrypoint
 842 dnl     $2 = code fragment for library entrypoint
 843 dnl     $3 = the library name without the "-l" option or ".so" suffix.
 844 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
 845 dnl     $5 = action to perform if not successful
 846 dnl     $6 = module name, if not the same as the library name
 847 dnl     $7 = extra libraries
 848 dnl
 849 dnl Sets these variables:
 850 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
 851 dnl     $cf_cv_header_path_$3 - include-directory if needed
 852 dnl     $cf_cv_library_path_$3 - library-directory if needed
 853 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
 854 AC_DEFUN([CF_FIND_LINKAGE],[
 855
 856 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 857 # will be set on completion of the AC_TRY_LINK below.
 858 cf_cv_header_path_$3=
 859 cf_cv_library_path_$3=
 860
 861 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 862
 863 cf_save_LIBS="$LIBS"
 864
 865 AC_TRY_LINK([$1],[$2],[
 866         cf_cv_find_linkage_$3=yes
 867         cf_cv_header_path_$3=/usr/include
 868         cf_cv_library_path_$3=/usr/lib
 869 ],[
 870
 871 LIBS="-l$3 $7 $cf_save_LIBS"
 872
 873 AC_TRY_LINK([$1],[$2],[
 874         cf_cv_find_linkage_$3=yes
 875         cf_cv_header_path_$3=/usr/include
 876         cf_cv_library_path_$3=/usr/lib
 877         cf_cv_library_file_$3="-l$3"
 878 ],[
 879         cf_cv_find_linkage_$3=no
 880         LIBS="$cf_save_LIBS"
 881
 882         CF_VERBOSE(find linkage for $3 library)
 883         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
 884
 885         cf_save_CPPFLAGS="$CPPFLAGS"
 886         cf_test_CPPFLAGS="$CPPFLAGS"
 887
 888         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
 889         for cf_cv_header_path_$3 in $cf_search
 890         do
 891                 if test -d $cf_cv_header_path_$3 ; then
 892                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
 893                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
 894                         AC_TRY_COMPILE([$1],[$2],[
 895                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
 896                                 cf_cv_find_linkage_$3=maybe
 897                                 cf_test_CPPFLAGS="$CPPFLAGS"
 898                                 break],[
 899                                 CPPFLAGS="$cf_save_CPPFLAGS"
 900                                 ])
 901                 fi
 902         done
 903
 904         if test "$cf_cv_find_linkage_$3" = maybe ; then
 905
 906                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
 907
 908                 cf_save_LIBS="$LIBS"
 909                 cf_save_LDFLAGS="$LDFLAGS"
 910
 911                 ifelse([$6],,,[
 912                 CPPFLAGS="$cf_test_CPPFLAGS"
 913                 LIBS="-l$3 $7 $cf_save_LIBS"
 914                 AC_TRY_LINK([$1],[$2],[
 915                         CF_VERBOSE(... found $3 library in system)
 916                         cf_cv_find_linkage_$3=yes])
 917                         CPPFLAGS="$cf_save_CPPFLAGS"
 918                         LIBS="$cf_save_LIBS"
 919                         ])
 920
 921                 if test "$cf_cv_find_linkage_$3" != yes ; then
 922                         CF_LIBRARY_PATH(cf_search,$3)
 923                         for cf_cv_library_path_$3 in $cf_search
 924                         do
 925                                 if test -d $cf_cv_library_path_$3 ; then
 926                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
 927                                         CPPFLAGS="$cf_test_CPPFLAGS"
 928                                         LIBS="-l$3 $7 $cf_save_LIBS"
 929                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
 930                                         AC_TRY_LINK([$1],[$2],[
 931                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
 932                                         cf_cv_find_linkage_$3=yes
 933                                         cf_cv_library_file_$3="-l$3"
 934                                         break],[
 935                                         CPPFLAGS="$cf_save_CPPFLAGS"
 936                                         LIBS="$cf_save_LIBS"
 937                                         LDFLAGS="$cf_save_LDFLAGS"
 938                                         ])
 939                                 fi
 940                         done
 941                         CPPFLAGS="$cf_save_CPPFLAGS"
 942                         LDFLAGS="$cf_save_LDFLAGS"
 943                 fi
 944
 945         else
 946                 cf_cv_find_linkage_$3=no
 947         fi
 948         ],$7)
 949 ])
 950
 951 LIBS="$cf_save_LIBS"
 952
 953 if test "$cf_cv_find_linkage_$3" = yes ; then
 954 ifelse([$4],,[
 955         CF_ADD_INCDIR($cf_cv_header_path_$3)
 956         CF_ADD_LIBDIR($cf_cv_library_path_$3)
 957         CF_ADD_LIB($3)
 958 ],[$4])
 959 else
 960 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 961 fi
 962 ])dnl
 963 dnl ---------------------------------------------------------------------------
 964 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
 965 dnl -----------------
 966 dnl make ADAFLAGS consistent with CFLAGS
 967 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
 968         AC_MSG_CHECKING(optimization options for ADAFLAGS)
 969         case "$CFLAGS" in
 970         (*-g*)
 971                 CF_ADD_ADAFLAGS(-g)
 972                 ;;
 973         esac
 974         case "$CFLAGS" in
 975         (*-O*)
 976                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
 977                 CF_ADD_ADAFLAGS($cf_O_flag)
 978                 ;;
 979         esac
 980         AC_MSG_RESULT($ADAFLAGS)
 981 ])dnl
 982 dnl ---------------------------------------------------------------------------
 983 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
 984 dnl -----------------
 985 dnl Test for availability of useful gcc __attribute__ directives to quiet
 986 dnl compiler warnings.  Though useful, not all are supported -- and contrary
 987 dnl to documentation, unrecognized directives cause older compilers to barf.
 988 AC_DEFUN([CF_GCC_ATTRIBUTES],
 989 [
 990 if test "$GCC" = yes
 991 then
 992 cat > conftest.i <<EOF
 993 #ifndef GCC_PRINTF
 994 #define GCC_PRINTF 0
 995 #endif
 996 #ifndef GCC_SCANF
 997 #define GCC_SCANF 0
 998 #endif
 999 #ifndef GCC_NORETURN
1000 #define GCC_NORETURN /* nothing */
1001 #endif
1002 #ifndef GCC_UNUSED
1003 #define GCC_UNUSED /* nothing */
1004 #endif
1005 EOF
1006 if test "$GCC" = yes
1007 then
1008         AC_CHECKING([for $CC __attribute__ directives])
1009 cat > conftest.$ac_ext <<EOF
1010 #line __oline__ "${as_me:-configure}"
1011 #include "confdefs.h"
1012 #include "conftest.h"
1013 #include "conftest.i"
1014 #if     GCC_PRINTF
1015 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1016 #else
1017 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1018 #endif
1019 #if     GCC_SCANF
1020 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1021 #else
1022 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1023 #endif
1024 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1025 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1026 extern void foo(void) GCC_NORETURN;
1027 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1028 EOF
1029         cf_printf_attribute=no
1030         cf_scanf_attribute=no
1031         for cf_attribute in scanf printf unused noreturn
1032         do
1033                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1034                 cf_directive="__attribute__(($cf_attribute))"
1035                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1036
1037                 case $cf_attribute in
1038                 (printf)
1039                         cf_printf_attribute=yes
1040                         cat >conftest.h <<EOF
1041 #define GCC_$cf_ATTRIBUTE 1
1042 EOF
1043                         ;;
1044                 (scanf)
1045                         cf_scanf_attribute=yes
1046                         cat >conftest.h <<EOF
1047 #define GCC_$cf_ATTRIBUTE 1
1048 EOF
1049                         ;;
1050                 (*)
1051                         cat >conftest.h <<EOF
1052 #define GCC_$cf_ATTRIBUTE $cf_directive
1053 EOF
1054                         ;;
1055                 esac
1056
1057                 if AC_TRY_EVAL(ac_compile); then
1058                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1059                         cat conftest.h >>confdefs.h
1060                         case $cf_attribute in
1061                         (noreturn)
1062                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1063                                 ;;
1064                         (printf)
1065                                 cf_value='/* nothing */'
1066                                 if test "$cf_printf_attribute" != no ; then
1067                                         cf_value='__attribute__((format(printf,fmt,var)))'
1068                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1069                                 fi
1070                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1071                                 ;;
1072                         (scanf)
1073                                 cf_value='/* nothing */'
1074                                 if test "$cf_scanf_attribute" != no ; then
1075                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1076                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1077                                 fi
1078                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1079                                 ;;
1080                         (unused)
1081                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1082                                 ;;
1083                         esac
1084                 fi
1085         done
1086 else
1087         fgrep define conftest.i >>confdefs.h
1088 fi
1089 rm -rf conftest*
1090 fi
1091 ])dnl
1092 dnl ---------------------------------------------------------------------------
1093 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1094 dnl --------------
1095 dnl Find version of gcc
1096 AC_DEFUN([CF_GCC_VERSION],[
1097 AC_REQUIRE([AC_PROG_CC])
1098 GCC_VERSION=none
1099 if test "$GCC" = yes ; then
1100         AC_MSG_CHECKING(version of $CC)
1101         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1102         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1103         AC_MSG_RESULT($GCC_VERSION)
1104 fi
1105 ])dnl
1106 dnl ---------------------------------------------------------------------------
1107 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1108 dnl ---------------
1109 dnl Check if the compiler supports useful warning options.  There's a few that
1110 dnl we don't use, simply because they're too noisy:
1111 dnl
1112 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1113 dnl     -Wredundant-decls (system headers make this too noisy)
1114 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1115 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1116 dnl             is enabled for ncurses using "--enable-const".
1117 dnl     -pedantic
1118 dnl
1119 dnl Parameter:
1120 dnl     $1 is an optional list of gcc warning flags that a particular
1121 dnl             application might want to use, e.g., "no-unused" for
1122 dnl             -Wno-unused
1123 dnl Special:
1124 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1125 dnl
1126 AC_DEFUN([CF_GCC_WARNINGS],
1127 [
1128 AC_REQUIRE([CF_GCC_VERSION])
1129 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1130 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1131
1132 cat > conftest.$ac_ext <<EOF
1133 #line __oline__ "${as_me:-configure}"
1134 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1135 EOF
1136
1137 if test "$INTEL_COMPILER" = yes
1138 then
1139 # The "-wdXXX" options suppress warnings:
1140 # remark #1419: external declaration in primary source file
1141 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1142 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1143 # remark #193: zero used for undefined preprocessing identifier
1144 # remark #593: variable "curs_sb_left_arrow" was set but never used
1145 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1146 # remark #869: parameter "tw" was never referenced
1147 # remark #981: operands are evaluated in unspecified order
1148 # warning #279: controlling expression is constant
1149
1150         AC_CHECKING([for $CC warning options])
1151         cf_save_CFLAGS="$CFLAGS"
1152         EXTRA_CFLAGS="-Wall"
1153         for cf_opt in \
1154                 wd1419 \
1155                 wd1683 \
1156                 wd1684 \
1157                 wd193 \
1158                 wd593 \
1159                 wd279 \
1160                 wd810 \
1161                 wd869 \
1162                 wd981
1163         do
1164                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1165                 if AC_TRY_EVAL(ac_compile); then
1166                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1167                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1168                 fi
1169         done
1170         CFLAGS="$cf_save_CFLAGS"
1171
1172 elif test "$GCC" = yes
1173 then
1174         AC_CHECKING([for $CC warning options])
1175         cf_save_CFLAGS="$CFLAGS"
1176         EXTRA_CFLAGS=
1177         cf_warn_CONST=""
1178         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1179         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1180         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1181         for cf_opt in W Wall \
1182                 Wbad-function-cast \
1183                 Wcast-align \
1184                 Wcast-qual \
1185                 Wdeclaration-after-statement \
1186                 Wextra \
1187                 Winline \
1188                 Wmissing-declarations \
1189                 Wmissing-prototypes \
1190                 Wnested-externs \
1191                 Wpointer-arith \
1192                 Wshadow \
1193                 Wstrict-prototypes \
1194                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1195         do
1196                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1197                 if AC_TRY_EVAL(ac_compile); then
1198                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1199                         case $cf_opt in
1200                         (Wcast-qual)
1201                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1202                                 ;;
1203                         (Winline)
1204                                 case $GCC_VERSION in
1205                                 ([[34]].*)
1206                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1207                                         continue;;
1208                                 esac
1209                                 ;;
1210                         (Wpointer-arith)
1211                                 case $GCC_VERSION in
1212                                 ([[12]].*)
1213                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1214                                         continue;;
1215                                 esac
1216                                 ;;
1217                         esac
1218                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1219                 fi
1220         done
1221         CFLAGS="$cf_save_CFLAGS"
1222 fi
1223 rm -rf conftest*
1224
1225 AC_SUBST(EXTRA_CFLAGS)
1226 ])dnl
1227 dnl ---------------------------------------------------------------------------
1228 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1229 dnl -----------------
1230 AC_DEFUN([CF_GNATPREP_OPT_T],[
1231 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1232 cf_cv_gnatprep_opt_t=no
1233 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1234 ])
1235 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1236 AC_SUBST(GNATPREP_OPTS)
1237 ])dnl
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1240 dnl ----------------
1241 AC_DEFUN([CF_GNAT_GENERICS],
1242 [
1243 AC_REQUIRE([CF_GNAT_VERSION])
1244
1245 AC_MSG_CHECKING(if GNAT supports generics)
1246 case $cf_gnat_version in
1247 (3.[[1-9]]*|[[4-9]].*)
1248         cf_gnat_generics=yes
1249         ;;
1250 (*)
1251         cf_gnat_generics=no
1252         ;;
1253 esac
1254 AC_MSG_RESULT($cf_gnat_generics)
1255
1256 if test "$cf_gnat_generics" = yes
1257 then
1258         cf_compile_generics=generics
1259         cf_generic_objects="\${GENOBJS}"
1260 else
1261         cf_compile_generics=
1262         cf_generic_objects=
1263 fi
1264
1265 AC_SUBST(cf_compile_generics)
1266 AC_SUBST(cf_generic_objects)
1267 ])dnl
1268 dnl ---------------------------------------------------------------------------
1269 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
1270 dnl ----------------
1271 dnl GNAT projects are configured with ".gpr" project files.
1272 dnl GNAT libraries are a further development, using the project feature.
1273 AC_DEFUN([CF_GNAT_PROJECTS],
1274 [
1275 AC_REQUIRE([CF_GNAT_VERSION])
1276 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1277
1278 cf_gnat_libraries=no
1279 cf_gnat_projects=no
1280
1281 if test "$enable_gnat_projects" != no ; then
1282 AC_MSG_CHECKING(if GNAT supports project files)
1283 case $cf_gnat_version in
1284 (3.[[0-9]]*)
1285         ;;
1286 (*)
1287         case $cf_cv_system_name in
1288         (cygwin*|msys*)
1289                 ;;
1290         (*)
1291                 mkdir conftest.src conftest.bin conftest.lib
1292                 cd conftest.src
1293                 rm -rf conftest* *~conftest*
1294                 cat >>library.gpr <<CF_EOF
1295 project Library is
1296   Kind := External ("LIB_KIND");
1297   for Library_Name use "ConfTest";
1298   for Object_Dir use ".";
1299   for Library_ALI_Dir use External("LIBRARY_DIR");
1300   for Library_Version use External ("SONAME");
1301   for Library_Kind use Kind;
1302   for Library_Dir use External("BUILD_DIR");
1303   Source_Dir := External ("SOURCE_DIR");
1304   for Source_Dirs use (Source_Dir);
1305 end Library;
1306 CF_EOF
1307                 cat >>confpackage.ads <<CF_EOF
1308 package ConfPackage is
1309    procedure conftest;
1310 end ConfPackage;
1311 CF_EOF
1312                 cat >>confpackage.adb <<CF_EOF
1313 with Text_IO;
1314 package body ConfPackage is
1315    procedure conftest is
1316    begin
1317       Text_IO.Put ("Hello World");
1318       Text_IO.New_Line;
1319    end conftest;
1320 end ConfPackage;
1321 CF_EOF
1322                 if ( $cf_ada_make $ADAFLAGS \
1323                                 -Plibrary.gpr \
1324                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1325                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1326                                 -XSOURCE_DIR=`pwd` \
1327                                 -XSONAME=libConfTest.so.1 \
1328                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1329                         cf_gnat_projects=yes
1330                 fi
1331                 cd ..
1332                 if test -f conftest.lib/confpackage.ali
1333                 then
1334                         cf_gnat_libraries=yes
1335                 fi
1336                 rm -rf conftest* *~conftest*
1337                 ;;
1338         esac
1339         ;;
1340 esac
1341 AC_MSG_RESULT($cf_gnat_projects)
1342 fi # enable_gnat_projects
1343
1344 if test $cf_gnat_projects = yes
1345 then
1346         AC_MSG_CHECKING(if GNAT supports libraries)
1347         AC_MSG_RESULT($cf_gnat_libraries)
1348 fi
1349
1350 if test "$cf_gnat_projects" = yes
1351 then
1352         USE_OLD_MAKERULES="#"
1353         USE_GNAT_PROJECTS=""
1354 else
1355         USE_OLD_MAKERULES=""
1356         USE_GNAT_PROJECTS="#"
1357 fi
1358
1359 if test "$cf_gnat_libraries" = yes
1360 then
1361         USE_GNAT_LIBRARIES=""
1362 else
1363         USE_GNAT_LIBRARIES="#"
1364 fi
1365
1366 AC_SUBST(USE_OLD_MAKERULES)
1367 AC_SUBST(USE_GNAT_PROJECTS)
1368 AC_SUBST(USE_GNAT_LIBRARIES)
1369 ])dnl
1370 dnl ---------------------------------------------------------------------------
1371 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1372 dnl --------------
1373 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
1374 dnl is noted that gnat may compile a tasking unit even for configurations which
1375 dnl fail at runtime.
1376 AC_DEFUN([CF_GNAT_SIGINT],[
1377 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1378 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1379
1380 package ConfTest is
1381
1382    pragma Warnings (Off);  --  the next pragma exists since 3.11p
1383    pragma Unreserve_All_Interrupts;
1384    pragma Warnings (On);
1385
1386    protected Process is
1387       procedure Stop;
1388       function Continue return Boolean;
1389       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1390    private
1391       Done : Boolean := False;
1392    end Process;
1393
1394 end ConfTest;],
1395 [package body ConfTest is
1396    protected body Process is
1397       procedure Stop is
1398       begin
1399          Done := True;
1400       end Stop;
1401       function Continue return Boolean is
1402       begin
1403          return not Done;
1404       end Continue;
1405    end Process;
1406 end ConfTest;],
1407         [cf_cv_gnat_sigint=yes],
1408         [cf_cv_gnat_sigint=no])])
1409
1410 if test $cf_cv_gnat_sigint = yes ; then
1411         USE_GNAT_SIGINT=""
1412 else
1413         USE_GNAT_SIGINT="#"
1414 fi
1415 AC_SUBST(USE_GNAT_SIGINT)
1416 ])dnl
1417 dnl ---------------------------------------------------------------------------
1418 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1419 dnl ----------------
1420 dnl Verify that a test program compiles/links with GNAT.
1421 dnl $cf_ada_make is set to the program that compiles/links
1422 dnl $ADAFLAGS may be set to the GNAT flags.
1423 dnl
1424 dnl $1 is the text of the spec
1425 dnl $2 is the text of the body
1426 dnl $3 is the shell command to execute if successful
1427 dnl $4 is the shell command to execute if not successful
1428 AC_DEFUN([CF_GNAT_TRY_LINK],
1429 [
1430 rm -rf conftest* *~conftest*
1431 cat >>conftest.ads <<CF_EOF
1432 $1
1433 CF_EOF
1434 cat >>conftest.adb <<CF_EOF
1435 $2
1436 CF_EOF
1437 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1438 ifelse($3,,      :,[      $3])
1439 ifelse($4,,,[else
1440    $4])
1441 fi
1442 rm -rf conftest* *~conftest*
1443 ])dnl
1444 dnl ---------------------------------------------------------------------------
1445 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1446 dnl ---------------
1447 dnl Verify that a test program compiles and runs with GNAT
1448 dnl $cf_ada_make is set to the program that compiles/links
1449 dnl $ADAFLAGS may be set to the GNAT flags.
1450 dnl
1451 dnl $1 is the text of the spec
1452 dnl $2 is the text of the body
1453 dnl $3 is the shell command to execute if successful
1454 dnl $4 is the shell command to execute if not successful
1455 AC_DEFUN([CF_GNAT_TRY_RUN],
1456 [
1457 rm -rf conftest* *~conftest*
1458 cat >>conftest.ads <<CF_EOF
1459 $1
1460 CF_EOF
1461 cat >>conftest.adb <<CF_EOF
1462 $2
1463 CF_EOF
1464 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1465    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1466 ifelse($3,,      :,[      $3])
1467 ifelse($4,,,[   else
1468       $4])
1469    fi
1470 ifelse($4,,,[else
1471    $4])
1472 fi
1473 rm -rf conftest* *~conftest*
1474 ])dnl
1475 dnl ---------------------------------------------------------------------------
1476 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1477 dnl ---------------
1478 dnl Verify version of GNAT.
1479 AC_DEFUN([CF_GNAT_VERSION],
1480 [
1481 AC_MSG_CHECKING(for gnat version)
1482 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1483         grep '[[0-9]].[[0-9]][[0-9]]*' |\
1484         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1485 AC_MSG_RESULT($cf_gnat_version)
1486
1487 case $cf_gnat_version in
1488 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1489         cf_cv_prog_gnat_correct=yes
1490         ;;
1491 (*)
1492         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1493         cf_cv_prog_gnat_correct=no
1494         ;;
1495 esac
1496 ])
1497 dnl ---------------------------------------------------------------------------
1498 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1499 dnl -------------
1500 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1501 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
1502 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1503 dnl since it is interwoven with GNU extensions.
1504 dnl
1505 dnl Well, yes we could work around it...
1506 AC_DEFUN([CF_GNU_SOURCE],
1507 [
1508 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1509 AC_TRY_COMPILE([#include <sys/types.h>],[
1510 #ifndef _XOPEN_SOURCE
1511 make an error
1512 #endif],
1513         [cf_cv_gnu_source=no],
1514         [cf_save="$CPPFLAGS"
1515          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1516          AC_TRY_COMPILE([#include <sys/types.h>],[
1517 #ifdef _XOPEN_SOURCE
1518 make an error
1519 #endif],
1520         [cf_cv_gnu_source=no],
1521         [cf_cv_gnu_source=yes])
1522         CPPFLAGS="$cf_save"
1523         ])
1524 ])
1525 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1526 ])dnl
1527 dnl ---------------------------------------------------------------------------
1528 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1529 dnl --------------
1530 dnl Construct a search-list of directories for a nonstandard header-file
1531 dnl
1532 dnl Parameters
1533 dnl     $1 = the variable to return as result
1534 dnl     $2 = the package name
1535 AC_DEFUN([CF_HEADER_PATH],
1536 [
1537 $1=
1538
1539 # collect the current set of include-directories from compiler flags
1540 cf_header_path_list=""
1541 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1542         for cf_header_path in $CPPFLAGS $CFLAGS
1543         do
1544                 case $cf_header_path in
1545                 (-I*)
1546                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1547                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1548                         cf_header_path_list="$cf_header_path_list [$]$1"
1549                         ;;
1550                 esac
1551         done
1552 fi
1553
1554 # add the variations for the package we are looking for
1555 CF_SUBDIR_PATH($1,$2,include)
1556
1557 test "$includedir" != NONE && \
1558 test "$includedir" != "/usr/include" && \
1559 test -d "$includedir" && {
1560         test -d $includedir &&    $1="[$]$1 $includedir"
1561         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1562 }
1563
1564 test "$oldincludedir" != NONE && \
1565 test "$oldincludedir" != "/usr/include" && \
1566 test -d "$oldincludedir" && {
1567         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
1568         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1569 }
1570
1571 $1="[$]$1 $cf_header_path_list"
1572 ])dnl
1573 dnl ---------------------------------------------------------------------------
1574 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1575 dnl ---------------
1576 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1577 AC_DEFUN([CF_HELP_MESSAGE],
1578 [AC_DIVERT_HELP([$1])dnl
1579 ])dnl
1580 dnl ---------------------------------------------------------------------------
1581 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1582 dnl ---------------
1583 dnl Construct the list of include-options according to whether we're building
1584 dnl in the source directory or using '--srcdir=DIR' option.
1585 AC_DEFUN([CF_INCLUDE_DIRS],
1586 [
1587 if test "$srcdir" != "."; then
1588         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1589 fi
1590 CPPFLAGS="-I../include $CPPFLAGS"
1591 if test "$srcdir" != "."; then
1592         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1593 fi
1594 CPPFLAGS="-I. $CPPFLAGS"
1595 AC_SUBST(CPPFLAGS)
1596 ])dnl
1597 dnl ---------------------------------------------------------------------------
1598 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1599 dnl -----------------
1600 dnl Check if the given compiler is really the Intel compiler for Linux.  It
1601 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1602 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1603 dnl
1604 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1605 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1606 dnl the wrappers for gcc and g++ warnings.
1607 dnl
1608 dnl $1 = GCC (default) or GXX
1609 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1610 dnl $3 = CFLAGS (default) or CXXFLAGS
1611 AC_DEFUN([CF_INTEL_COMPILER],[
1612 AC_REQUIRE([AC_CANONICAL_HOST])
1613 ifelse([$2],,INTEL_COMPILER,[$2])=no
1614
1615 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1616         case $host_os in
1617         (linux*|gnu*)
1618                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1619                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1620                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1621                 AC_TRY_COMPILE([],[
1622 #ifdef __INTEL_COMPILER
1623 #else
1624 make an error
1625 #endif
1626 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1627 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1628 ],[])
1629                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1630                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1631                 ;;
1632         esac
1633 fi
1634 ])dnl
1635 dnl ---------------------------------------------------------------------------
1636 dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
1637 dnl ------------
1638 dnl Add checks for large file support.
1639 AC_DEFUN([CF_LARGEFILE],[
1640 ifdef([AC_FUNC_FSEEKO],[
1641         AC_SYS_LARGEFILE
1642         if test "$enable_largefile" != no ; then
1643         AC_FUNC_FSEEKO
1644
1645         # Normally we would collect these definitions in the config.h,
1646         # but (like _XOPEN_SOURCE), some environments rely on having these
1647         # defined before any of the system headers are included.  Another
1648         # case comes up with C++, e.g., on AIX the compiler compiles the
1649         # header files by themselves before looking at the body files it is
1650         # told to compile.  For ncurses, those header files do not include
1651         # the config.h
1652         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1653         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1654         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1655
1656         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1657                 AC_TRY_COMPILE([
1658 #include <sys/types.h>
1659 #include <dirent.h>
1660                 ],[
1661                 /* if transitional largefile support is setup, this is true */
1662                 extern struct dirent64 * readdir(DIR *);
1663                 struct dirent64 *x = readdir((DIR *)0);
1664                 struct dirent *y = readdir((DIR *)0);
1665                 int z = x - y;
1666                 ],
1667                 [cf_cv_struct_dirent64=yes],
1668                 [cf_cv_struct_dirent64=no])
1669         ])
1670         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1671         fi
1672 ])
1673 ])
1674 dnl ---------------------------------------------------------------------------
1675 dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
1676 dnl ---------------
1677 dnl For the given system and compiler, find the compiler flags to pass to the
1678 dnl loader to use the "rpath" feature.
1679 AC_DEFUN([CF_LD_RPATH_OPT],
1680 [
1681 AC_REQUIRE([CF_CHECK_CACHE])
1682
1683 LD_RPATH_OPT=
1684 AC_MSG_CHECKING(for an rpath option)
1685 case $cf_cv_system_name in
1686 (irix*)
1687         if test "$GCC" = yes; then
1688                 LD_RPATH_OPT="-Wl,-rpath,"
1689         else
1690                 LD_RPATH_OPT="-rpath "
1691         fi
1692         ;;
1693 (linux*|gnu*|k*bsd*-gnu)
1694         LD_RPATH_OPT="-Wl,-rpath,"
1695         ;;
1696 (openbsd[[2-9]].*|mirbsd*)
1697         LD_RPATH_OPT="-Wl,-rpath,"
1698         ;;
1699 (dragonfly*|freebsd*)
1700         LD_RPATH_OPT="-rpath "
1701         ;;
1702 (netbsd*)
1703         LD_RPATH_OPT="-Wl,-rpath,"
1704         ;;
1705 (osf*|mls+*)
1706         LD_RPATH_OPT="-rpath "
1707         ;;
1708 (solaris2*)
1709         LD_RPATH_OPT="-R"
1710         ;;
1711 (*)
1712         ;;
1713 esac
1714 AC_MSG_RESULT($LD_RPATH_OPT)
1715
1716 case "x$LD_RPATH_OPT" in
1717 (x-R*)
1718         AC_MSG_CHECKING(if we need a space after rpath option)
1719         cf_save_LIBS="$LIBS"
1720         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1721         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1722         LIBS="$cf_save_LIBS"
1723         AC_MSG_RESULT($cf_rpath_space)
1724         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1725         ;;
1726 esac
1727 ])dnl
1728 dnl ---------------------------------------------------------------------------
1729 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1730 dnl ---------------
1731 dnl Construct a search-list of directories for a nonstandard library-file
1732 dnl
1733 dnl Parameters
1734 dnl     $1 = the variable to return as result
1735 dnl     $2 = the package name
1736 AC_DEFUN([CF_LIBRARY_PATH],
1737 [
1738 $1=
1739 cf_library_path_list=""
1740 if test -n "${LDFLAGS}${LIBS}" ; then
1741         for cf_library_path in $LDFLAGS $LIBS
1742         do
1743                 case $cf_library_path in
1744                 (-L*)
1745                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1746                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1747                         cf_library_path_list="$cf_library_path_list [$]$1"
1748                         ;;
1749                 esac
1750         done
1751 fi
1752
1753 CF_SUBDIR_PATH($1,$2,lib)
1754
1755 $1="$cf_library_path_list [$]$1"
1756 ])dnl
1757 dnl ---------------------------------------------------------------------------
1758 dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
1759 dnl -------------
1760 dnl Compute the library-prefix for the given host system
1761 dnl $1 = variable to set
1762 define([CF_LIB_PREFIX],
1763 [
1764         case $cf_cv_system_name in
1765         (OS/2*|os2*)
1766                 LIB_PREFIX=''
1767                 ;;
1768         (*)     LIB_PREFIX='lib'
1769                 ;;
1770         esac
1771 ifelse($1,,,[$1=$LIB_PREFIX])
1772         AC_SUBST(LIB_PREFIX)
1773 ])dnl
1774 dnl ---------------------------------------------------------------------------
1775 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1776 dnl -------------
1777 dnl Compute the library file-suffix from the given model name
1778 dnl $1 = model name
1779 dnl $2 = variable to set (the nominal library suffix)
1780 dnl $3 = dependency variable to set (actual filename)
1781 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1782 AC_DEFUN([CF_LIB_SUFFIX],
1783 [
1784         case X$1 in
1785         (Xlibtool)
1786                 $2='.la'
1787                 $3=[$]$2
1788                 ;;
1789         (Xdebug)
1790                 $2='_g.a'
1791                 $3=[$]$2
1792                 ;;
1793         (Xprofile)
1794                 $2='_p.a'
1795                 $3=[$]$2
1796                 ;;
1797         (Xshared)
1798                 case $cf_cv_system_name in
1799                 (aix[[5-7]]*)
1800                         $2='.so'
1801                         $3=[$]$2
1802                         ;;
1803                 (cygwin*|msys*|mingw*)
1804                         $2='.dll'
1805                         $3='.dll.a'
1806                         ;;
1807                 (darwin*)
1808                         $2='.dylib'
1809                         $3=[$]$2
1810                         ;;
1811                 (hpux*)
1812                         case $target in
1813                         (ia64*)
1814                                 $2='.so'
1815                                 $3=[$]$2
1816                                 ;;
1817                         (*)
1818                                 $2='.sl'
1819                                 $3=[$]$2
1820                                 ;;
1821                         esac
1822                         ;;
1823                 (*)
1824                         $2='.so'
1825                         $3=[$]$2
1826                         ;;
1827                 esac
1828                 ;;
1829         (*)
1830                 $2='.a'
1831                 $3=[$]$2
1832                 ;;
1833         esac
1834         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1835         then
1836                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1837                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1838         fi
1839 ])dnl
1840 dnl ---------------------------------------------------------------------------
1841 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1842 dnl -----------
1843 dnl Compute the string to append to -library from the given model name
1844 dnl $1 = model name
1845 dnl $2 = variable to set
1846 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1847 AC_DEFUN([CF_LIB_TYPE],
1848 [
1849         case $1 in
1850         (libtool) $2=''   ;;
1851         (normal)  $2=''   ;;
1852         (debug)   $2='_g' ;;
1853         (profile) $2='_p' ;;
1854         (shared)  $2=''   ;;
1855         esac
1856         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1857 ])dnl
1858 dnl ---------------------------------------------------------------------------
1859 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1860 dnl ----------------
1861 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1862 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
1863 dnl have to provide wrappers for global tables to ensure they're linked
1864 dnl properly.
1865 AC_DEFUN([CF_LINK_DATAONLY],
1866 [
1867 AC_MSG_CHECKING([if data-only library module links])
1868 AC_CACHE_VAL(cf_cv_link_dataonly,[
1869         rm -f conftest.a
1870         cat >conftest.$ac_ext <<EOF
1871 #line __oline__ "configure"
1872 int     testdata[[3]] = { 123, 456, 789 };
1873 EOF
1874         if AC_TRY_EVAL(ac_compile) ; then
1875                 mv conftest.o data.o && \
1876                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1877         fi
1878         rm -f conftest.$ac_ext data.o
1879         cat >conftest.$ac_ext <<EOF
1880 #line __oline__ "configure"
1881 int     testfunc()
1882 {
1883 #if defined(NeXT)
1884         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
1885 #else
1886         extern int testdata[[3]];
1887         return testdata[[0]] == 123
1888            &&  testdata[[1]] == 456
1889            &&  testdata[[2]] == 789;
1890 #endif
1891 }
1892 EOF
1893         if AC_TRY_EVAL(ac_compile); then
1894                 mv conftest.o func.o && \
1895                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1896         fi
1897         rm -f conftest.$ac_ext func.o
1898         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1899         cf_saveLIBS="$LIBS"
1900         LIBS="conftest.a $LIBS"
1901         AC_TRY_RUN([
1902         int main()
1903         {
1904                 extern int testfunc();
1905                 ${cf_cv_main_return:-return} (!testfunc());
1906         }
1907         ],
1908         [cf_cv_link_dataonly=yes],
1909         [cf_cv_link_dataonly=no],
1910         [cf_cv_link_dataonly=unknown])
1911         LIBS="$cf_saveLIBS"
1912         ])
1913 AC_MSG_RESULT($cf_cv_link_dataonly)
1914
1915 if test "$cf_cv_link_dataonly" = no ; then
1916         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1917         BROKEN_LINKER=1
1918 fi
1919
1920 ])dnl
1921 dnl ---------------------------------------------------------------------------
1922 dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
1923 dnl ------------
1924 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1925 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
1926 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1927 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1928 AC_DEFUN([CF_MAKEFLAGS],
1929 [
1930 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1931         cf_cv_makeflags=''
1932         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1933         do
1934                 cat >cf_makeflags.tmp <<CF_EOF
1935 SHELL = $SHELL
1936 all :
1937         @ echo '.$cf_option'
1938 CF_EOF
1939                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
1940                 case "$cf_result" in
1941                 (.*k|.*kw)
1942                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1943                         case "$cf_result" in
1944                         (.*CC=*)        cf_cv_makeflags=
1945                                 ;;
1946                         (*)     cf_cv_makeflags=$cf_option
1947                                 ;;
1948                         esac
1949                         break
1950                         ;;
1951                 (.-)    ;;
1952                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
1953                         ;;
1954                 esac
1955         done
1956         rm -f cf_makeflags.tmp
1957 ])
1958
1959 AC_SUBST(cf_cv_makeflags)
1960 ])dnl
1961 dnl ---------------------------------------------------------------------------
1962 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1963 dnl ------------
1964 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
1965 dnl a monocase filesystem.
1966 AC_DEFUN([CF_MAKE_TAGS],[
1967 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1968
1969 AC_CHECK_PROGS(CTAGS, exctags ctags)
1970 AC_CHECK_PROGS(ETAGS, exetags etags)
1971
1972 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1973
1974 if test "$cf_cv_mixedcase" = yes ; then
1975         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1976 else
1977         MAKE_UPPER_TAGS=no
1978 fi
1979
1980 if test "$MAKE_UPPER_TAGS" = yes ; then
1981         MAKE_UPPER_TAGS=
1982 else
1983         MAKE_UPPER_TAGS="#"
1984 fi
1985
1986 if test "$MAKE_LOWER_TAGS" = yes ; then
1987         MAKE_LOWER_TAGS=
1988 else
1989         MAKE_LOWER_TAGS="#"
1990 fi
1991
1992 AC_SUBST(CTAGS)
1993 AC_SUBST(ETAGS)
1994
1995 AC_SUBST(MAKE_UPPER_TAGS)
1996 AC_SUBST(MAKE_LOWER_TAGS)
1997 ])dnl
1998 dnl ---------------------------------------------------------------------------
1999 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2000 dnl ----------------------
2001 dnl Check if the file-system supports mixed-case filenames.  If we're able to
2002 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2003 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2004 [
2005 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2006 if test "$cross_compiling" = yes ; then
2007         case $target_alias in
2008         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2009                 cf_cv_mixedcase=no
2010                 ;;
2011         (*)
2012                 cf_cv_mixedcase=yes
2013                 ;;
2014         esac
2015 else
2016         rm -f conftest CONFTEST
2017         echo test >conftest
2018         if test -f CONFTEST ; then
2019                 cf_cv_mixedcase=no
2020         else
2021                 cf_cv_mixedcase=yes
2022         fi
2023         rm -f conftest CONFTEST
2024 fi
2025 ])
2026 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2027 ])dnl
2028 dnl ---------------------------------------------------------------------------
2029 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2030 dnl ----------
2031 dnl Check for a working mkstemp.  This creates two files, checks that they are
2032 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2033 AC_DEFUN([CF_MKSTEMP],[
2034 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2035 rm -rf conftest*
2036 AC_TRY_RUN([
2037 #include <sys/types.h>
2038 #include <stdlib.h>
2039 #include <stdio.h>
2040 #include <string.h>
2041 #include <sys/stat.h>
2042 int main()
2043 {
2044         char *tmpl = "conftestXXXXXX";
2045         char name[2][80];
2046         int n;
2047         int result = 0;
2048         int fd;
2049         struct stat sb;
2050
2051         umask(077);
2052         for (n = 0; n < 2; ++n) {
2053                 strcpy(name[n], tmpl);
2054                 if ((fd = mkstemp(name[n])) >= 0) {
2055                         if (!strcmp(name[n], tmpl)
2056                          || stat(name[n], &sb) != 0
2057                          || (sb.st_mode & S_IFMT) != S_IFREG
2058                          || (sb.st_mode & 077) != 0) {
2059                                 result = 1;
2060                         }
2061                         close(fd);
2062                 }
2063         }
2064         if (result == 0
2065          && !strcmp(name[0], name[1]))
2066                 result = 1;
2067         ${cf_cv_main_return:-return}(result);
2068 }
2069 ],[cf_cv_func_mkstemp=yes
2070 ],[cf_cv_func_mkstemp=no
2071 ],[cf_cv_func_mkstemp=maybe])
2072 ])
2073 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2074         AC_CHECK_FUNC(mkstemp)
2075 fi
2076 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2077         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2078 fi
2079 ])dnl
2080 dnl ---------------------------------------------------------------------------
2081 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2082 dnl ----------
2083 dnl Write a debug message to config.log, along with the line number in the
2084 dnl configure script.
2085 AC_DEFUN([CF_MSG_LOG],[
2086 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2087 ])dnl
2088 dnl ---------------------------------------------------------------------------
2089 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2090 dnl ----------------
2091 dnl Configure an ncurses add-on, built outside the ncurses tree.
2092 AC_DEFUN([CF_NCURSES_ADDON],[
2093 AC_REQUIRE([CF_NCURSES_CONFIG])
2094
2095 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2096
2097 AC_MSG_CHECKING(if you want wide-character code)
2098 AC_ARG_ENABLE(widec,
2099         [  --enable-widec          compile with wide-char/UTF-8 code],
2100         [with_widec=$enableval],
2101         [with_widec=no])
2102 AC_MSG_RESULT($with_widec)
2103 if test "$with_widec" = yes ; then
2104         CF_UTF8_LIB
2105         CF_NCURSES_CONFIG(ncursesw)
2106 else
2107         CF_NCURSES_CONFIG(ncurses)
2108 fi
2109
2110 if test "$NCURSES_CONFIG_PKG" != none ; then
2111         cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2112
2113         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2114         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2115         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2116
2117         cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2118         if test -z "$cf_cv_abi_version"
2119         then
2120                 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2121         fi
2122
2123 elif test "$NCURSES_CONFIG" != none ; then
2124
2125         cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2126
2127         NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2128         NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2129         NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2130
2131         # ABI version is not available from headers
2132         cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2133
2134 else
2135
2136         for cf_name in MAJOR MINOR PATCH
2137         do
2138         cat >conftest.$ac_ext <<CF_EOF
2139         #include <${cf_cv_ncurses_header:-curses.h}>
2140         AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2141 CF_EOF
2142                 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2143                 AC_TRY_EVAL(cf_try)
2144                 if test -f conftest.out ; then
2145                         cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
2146                         eval NCURSES_$cf_name=\"$cf_result\"
2147                         # cat conftest.$ac_ext
2148                         # cat conftest.out
2149                 fi
2150         done
2151
2152         cf_cv_abi_version=${NCURSES_MAJOR}
2153
2154 fi
2155
2156 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2157
2158 dnl Show the computed version, for logging
2159 cf_cv_timestamp=`date`
2160
2161 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2162
2163 dnl We need these values in the generated headers
2164 AC_SUBST(NCURSES_MAJOR)
2165 AC_SUBST(NCURSES_MINOR)
2166 AC_SUBST(NCURSES_PATCH)
2167
2168 dnl We need these values in the generated makefiles
2169 AC_SUBST(cf_cv_rel_version)
2170 AC_SUBST(cf_cv_abi_version)
2171
2172 dnl FIXME - not needed for Ada95
2173 AC_SUBST(cf_cv_builtin_bool)
2174 AC_SUBST(cf_cv_header_stdbool_h)
2175 AC_SUBST(cf_cv_type_of_bool)dnl
2176
2177 ])
2178 dnl ---------------------------------------------------------------------------
2179 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2180 dnl -------------------
2181 dnl Check if we can compile with ncurses' header file
2182 dnl $1 is the cache variable to set
2183 dnl $2 is the header-file to include
2184 dnl $3 is the root name (ncurses or ncursesw)
2185 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2186         AC_TRY_COMPILE([
2187 ]ifelse($3,ncursesw,[
2188 #define _XOPEN_SOURCE_EXTENDED
2189 #undef  HAVE_LIBUTF8_H  /* in case we used CF_UTF8_LIB */
2190 #define HAVE_LIBUTF8_H  /* to force ncurses' header file to use cchar_t */
2191 ])[
2192 #include <$2>],[
2193 #ifdef NCURSES_VERSION
2194 ]ifelse($3,ncursesw,[
2195 #ifndef WACS_BSSB
2196         make an error
2197 #endif
2198 ])[
2199 printf("%s\n", NCURSES_VERSION);
2200 #else
2201 #ifdef __NCURSES_H
2202 printf("old\n");
2203 #else
2204         make an error
2205 #endif
2206 #endif
2207         ]
2208         ,[$1=$2]
2209         ,[$1=no])
2210 ])dnl
2211 dnl ---------------------------------------------------------------------------
2212 dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07
2213 dnl -----------------
2214 dnl Tie together the configure-script macros for ncurses, preferring these in
2215 dnl order:
2216 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2217 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2218 dnl c) just plain libraries
2219 dnl
2220 dnl $1 is the root library name (default: "ncurses")
2221 AC_DEFUN([CF_NCURSES_CONFIG],[
2222 AC_REQUIRE([CF_PKG_CONFIG])
2223 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2224 cf_have_ncuconfig=no
2225
2226 if test "x${PKG_CONFIG:=none}" != xnone; then
2227         AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2228         if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2229                 AC_MSG_RESULT(yes)
2230
2231                 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2232                 cf_have_ncuconfig=unknown
2233
2234                 cf_save_CPPFLAGS="$CPPFLAGS"
2235                 cf_save_LIBS="$LIBS"
2236
2237                 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2238                 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2239
2240                 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2241                         [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2242                         [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2243                                 int main(void)
2244                                 { char *xx = curses_version(); return (xx == 0); }],
2245                                 [cf_have_ncuconfig=yes],
2246                                 [cf_have_ncuconfig=no],
2247                                 [cf_have_ncuconfig=maybe])],
2248                         [cf_have_ncuconfig=no])
2249                 AC_MSG_RESULT($cf_have_ncuconfig)
2250                 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2251                 if test "$cf_have_ncuconfig" != "yes"
2252                 then
2253                         CPPFLAGS="$cf_save_CPPFLAGS"
2254                         LIBS="$cf_save_LIBS"
2255                         NCURSES_CONFIG_PKG=none
2256                 else
2257                         AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2258                         NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2259                 fi
2260
2261         else
2262                 AC_MSG_RESULT(no)
2263                 NCURSES_CONFIG_PKG=none
2264         fi
2265 else
2266         NCURSES_CONFIG_PKG=none
2267 fi
2268
2269 if test "x$cf_have_ncuconfig" = "xno"; then
2270         echo "Looking for ${cf_ncuconfig_root}-config"
2271
2272         CF_ACVERSION_CHECK(2.52,
2273                 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2274                 [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2275
2276         if test "$NCURSES_CONFIG" != none ; then
2277
2278                 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2279                 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2280
2281                 # even with config script, some packages use no-override for curses.h
2282                 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2283
2284                 dnl like CF_NCURSES_CPPFLAGS
2285                 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2286
2287                 dnl like CF_NCURSES_LIBS
2288                 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2289                 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2290
2291                 dnl like CF_NCURSES_VERSION
2292                 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2293
2294         else
2295
2296                 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2297                 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2298
2299         fi
2300 else
2301         NCURSES_CONFIG=none
2302 fi
2303 ])dnl
2304 dnl ---------------------------------------------------------------------------
2305 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2306 dnl -------------------
2307 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2308 dnl the CPPFLAGS variable so we can include its header.
2309 dnl
2310 dnl The header files may be installed as either curses.h, or ncurses.h (would
2311 dnl be obsolete, except that some packagers prefer this name to distinguish it
2312 dnl from a "native" curses implementation).  If not installed for overwrite,
2313 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2314 dnl /usr/include/ncurses), but someone may have installed overwriting the
2315 dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
2316 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2317 dnl the header.
2318 dnl
2319 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2320 dnl is already in the include-path, don't even bother with this, since we cannot
2321 dnl easily determine which file it is.  In this case, it has to be <curses.h>.
2322 dnl
2323 dnl The optional parameter gives the root name of the library, in case it is
2324 dnl not installed as the default curses library.  That is how the
2325 dnl wide-character version of ncurses is installed.
2326 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2327 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2328
2329 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2330 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2331
2332 test -n "$cf_cv_curses_dir" && \
2333 test "$cf_cv_curses_dir" != "no" && { \
2334   CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2335 }
2336
2337 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2338         cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2339         ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2340         for cf_header in $cf_header_list
2341         do
2342                 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2343                 test "$cf_cv_ncurses_h" != no && break
2344         done
2345 ])
2346
2347 CF_NCURSES_HEADER
2348 CF_TERM_HEADER
2349
2350 # some applications need this, but should check for NCURSES_VERSION
2351 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2352
2353 CF_NCURSES_VERSION
2354 ])dnl
2355 dnl ---------------------------------------------------------------------------
2356 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2357 dnl -----------------
2358 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2359 dnl variations of ncurses' installs.
2360 dnl
2361 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2362 AC_DEFUN([CF_NCURSES_HEADER],[
2363
2364 if test "$cf_cv_ncurses_h" != no ; then
2365         cf_cv_ncurses_header=$cf_cv_ncurses_h
2366 else
2367
2368 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2369         test -n "$verbose" && echo
2370         CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2371         test -n "$verbose" && echo search path $cf_search
2372         cf_save2_CPPFLAGS="$CPPFLAGS"
2373         for cf_incdir in $cf_search
2374         do
2375                 CF_ADD_INCDIR($cf_incdir)
2376                 for cf_header in \
2377                         ncurses.h \
2378                         curses.h
2379                 do
2380                         CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2381                         if test "$cf_cv_ncurses_h2" != no ; then
2382                                 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2383                                 test -n "$verbose" && echo $ac_n "      ... found $ac_c" 1>&AC_FD_MSG
2384                                 break
2385                         fi
2386                         test -n "$verbose" && echo "    ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2387                 done
2388                 CPPFLAGS="$cf_save2_CPPFLAGS"
2389                 test "$cf_cv_ncurses_h2" != no && break
2390         done
2391         test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2392         ])
2393
2394         CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2395         cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2396         if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2397                 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2398         fi
2399         CF_ADD_INCDIR($cf_1st_incdir)
2400
2401 fi
2402
2403 # Set definitions to allow ifdef'ing for ncurses.h
2404
2405 case $cf_cv_ncurses_header in
2406 (*ncurses.h)
2407         AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2408         ;;
2409 esac
2410
2411 case $cf_cv_ncurses_header in
2412 (ncurses/curses.h|ncurses/ncurses.h)
2413         AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2414         ;;
2415 (ncursesw/curses.h|ncursesw/ncurses.h)
2416         AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2417         ;;
2418 esac
2419
2420 ])dnl
2421 dnl ---------------------------------------------------------------------------
2422 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2423 dnl ---------------
2424 dnl Look for the ncurses library.  This is a little complicated on Linux,
2425 dnl because it may be linked with the gpm (general purpose mouse) library.
2426 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2427 dnl unusable with ncurses.  However, we don't want to link with gpm unless
2428 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2429 dnl and the linker will record a dependency.
2430 dnl
2431 dnl The optional parameter gives the root name of the library, in case it is
2432 dnl not installed as the default curses library.  That is how the
2433 dnl wide-character version of ncurses is installed.
2434 AC_DEFUN([CF_NCURSES_LIBS],
2435 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2436
2437 cf_nculib_root=ifelse($1,,ncurses,$1)
2438         # This works, except for the special case where we find gpm, but
2439         # ncurses is in a nonstandard location via $LIBS, and we really want
2440         # to link gpm.
2441 cf_ncurses_LIBS=""
2442 cf_ncurses_SAVE="$LIBS"
2443 AC_CHECK_LIB(gpm,Gpm_Open,
2444         [AC_CHECK_LIB(gpm,initscr,
2445                 [LIBS="$cf_ncurses_SAVE"],
2446                 [cf_ncurses_LIBS="-lgpm"])])
2447
2448 case $host_os in
2449 (freebsd*)
2450         # This is only necessary if you are linking against an obsolete
2451         # version of ncurses (but it should do no harm, since it's static).
2452         if test "$cf_nculib_root" = ncurses ; then
2453                 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2454         fi
2455         ;;
2456 esac
2457
2458 CF_ADD_LIBS($cf_ncurses_LIBS)
2459
2460 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2461 then
2462         CF_ADD_LIBS(-l$cf_nculib_root)
2463 else
2464         CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2465                 [#include <${cf_cv_ncurses_header:-curses.h}>],
2466                 [initscr()],
2467                 initscr)
2468 fi
2469
2470 if test -n "$cf_ncurses_LIBS" ; then
2471         AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2472         cf_ncurses_SAVE="$LIBS"
2473         for p in $cf_ncurses_LIBS ; do
2474                 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2475                 if test "$q" != "$LIBS" ; then
2476                         LIBS="$q"
2477                 fi
2478         done
2479         AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2480                 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2481                 [AC_MSG_RESULT(yes)],
2482                 [AC_MSG_RESULT(no)
2483                  LIBS="$cf_ncurses_SAVE"])
2484 fi
2485
2486 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2487 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2488 ])dnl
2489 dnl ---------------------------------------------------------------------------
2490 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2491 dnl ------------------
2492 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2493 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
2494 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2495 AC_DEFUN([CF_NCURSES_VERSION],
2496 [
2497 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2498 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2499         cf_cv_ncurses_version=no
2500         cf_tempfile=out$$
2501         rm -f $cf_tempfile
2502         AC_TRY_RUN([
2503 #include <${cf_cv_ncurses_header:-curses.h}>
2504 #include <stdio.h>
2505 int main()
2506 {
2507         FILE *fp = fopen("$cf_tempfile", "w");
2508 #ifdef NCURSES_VERSION
2509 # ifdef NCURSES_VERSION_PATCH
2510         fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2511 # else
2512         fprintf(fp, "%s\n", NCURSES_VERSION);
2513 # endif
2514 #else
2515 # ifdef __NCURSES_H
2516         fprintf(fp, "old\n");
2517 # else
2518         make an error
2519 # endif
2520 #endif
2521         ${cf_cv_main_return:-return}(0);
2522 }],[
2523         cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2524
2525         # This will not work if the preprocessor splits the line after the
2526         # Autoconf token.  The 'unproto' program does that.
2527         cat > conftest.$ac_ext <<EOF
2528 #include <${cf_cv_ncurses_header:-curses.h}>
2529 #undef Autoconf
2530 #ifdef NCURSES_VERSION
2531 Autoconf NCURSES_VERSION
2532 #else
2533 #ifdef __NCURSES_H
2534 Autoconf "old"
2535 #endif
2536 ;
2537 #endif
2538 EOF
2539         cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2540         AC_TRY_EVAL(cf_try)
2541         if test -f conftest.out ; then
2542                 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2543                 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2544                 rm -f conftest.out
2545         fi
2546 ])
2547         rm -f $cf_tempfile
2548 ])
2549 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2550 ])dnl
2551 dnl ---------------------------------------------------------------------------
2552 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2553 dnl -------------
2554 dnl Compute the object-directory name from the given model name
2555 AC_DEFUN([CF_OBJ_SUBDIR],
2556 [
2557         case $1 in
2558         (libtool) $2='obj_lo'  ;;
2559         (normal)  $2='objects' ;;
2560         (debug)   $2='obj_g' ;;
2561         (profile) $2='obj_p' ;;
2562         (shared)
2563                 case $cf_cv_system_name in
2564                 (cygwin|msys)
2565                         $2='objects' ;;
2566                 (*)
2567                         $2='obj_s' ;;
2568                 esac
2569         esac
2570 ])dnl
2571 dnl ---------------------------------------------------------------------------
2572 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2573 dnl ----------
2574 dnl Provide a value for the $PATH and similar separator (or amend the value
2575 dnl as provided in autoconf 2.5x).
2576 AC_DEFUN([CF_PATHSEP],
2577 [
2578         AC_MSG_CHECKING(for PATH separator)
2579         case $cf_cv_system_name in
2580         (os2*)  PATH_SEPARATOR=';'  ;;
2581         (*)     ${PATH_SEPARATOR:=':'}  ;;
2582         esac
2583 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2584         AC_SUBST(PATH_SEPARATOR)
2585         AC_MSG_RESULT($PATH_SEPARATOR)
2586 ])dnl
2587 dnl ---------------------------------------------------------------------------
2588 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2589 dnl --------------
2590 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
2591 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2592 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
2593 dnl delayed evaluation of those symbols.
2594 AC_DEFUN([CF_PATH_SYNTAX],[
2595 if test "x$prefix" != xNONE; then
2596         cf_path_syntax="$prefix"
2597 else
2598         cf_path_syntax="$ac_default_prefix"
2599 fi
2600
2601 case ".[$]$1" in
2602 (.\[$]\(*\)*|.\'*\'*)
2603         ;;
2604 (..|./*|.\\*)
2605         ;;
2606 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2607         ;;
2608 (.\[$]{*prefix}*|.\[$]{*dir}*)
2609         eval $1="[$]$1"
2610         case ".[$]$1" in
2611         (.NONE/*)
2612                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2613                 ;;
2614         esac
2615         ;;
2616 (.no|.NONE/*)
2617         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2618         ;;
2619 (*)
2620         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2621         ;;
2622 esac
2623 ])dnl
2624 dnl ---------------------------------------------------------------------------
2625 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2626 dnl -------------
2627 dnl Check for the package-config program, unless disabled by command-line.
2628 AC_DEFUN([CF_PKG_CONFIG],
2629 [
2630 AC_MSG_CHECKING(if you want to use pkg-config)
2631 AC_ARG_WITH(pkg-config,
2632         [  --with-pkg-config{=path} enable/disable use of pkg-config],
2633         [cf_pkg_config=$withval],
2634         [cf_pkg_config=yes])
2635 AC_MSG_RESULT($cf_pkg_config)
2636
2637 case $cf_pkg_config in
2638 (no)
2639         PKG_CONFIG=none
2640         ;;
2641 (yes)
2642         CF_ACVERSION_CHECK(2.52,
2643                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2644                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2645         ;;
2646 (*)
2647         PKG_CONFIG=$withval
2648         ;;
2649 esac
2650
2651 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2652 if test "$PKG_CONFIG" != none ; then
2653         CF_PATH_SYNTAX(PKG_CONFIG)
2654 elif test "x$cf_pkg_config" != xno ; then
2655         AC_MSG_WARN(pkg-config is not installed)
2656 fi
2657
2658 AC_SUBST(PKG_CONFIG)
2659 ])dnl
2660 dnl ---------------------------------------------------------------------------
2661 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2662 dnl -----------------
2663 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2664 dnl
2665 dnl     POSIX.1-1990                            _POSIX_SOURCE
2666 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
2667 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
2668 dnl             Bindings Option
2669 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
2670 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
2671 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
2672 dnl
2673 dnl Parameters:
2674 dnl     $1 is the nominal value for _POSIX_C_SOURCE
2675 AC_DEFUN([CF_POSIX_C_SOURCE],
2676 [
2677 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2678
2679 cf_save_CFLAGS="$CFLAGS"
2680 cf_save_CPPFLAGS="$CPPFLAGS"
2681
2682 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2683 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2684
2685 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2686         CF_MSG_LOG(if the symbol is already defined go no further)
2687         AC_TRY_COMPILE([#include <sys/types.h>],[
2688 #ifndef _POSIX_C_SOURCE
2689 make an error
2690 #endif],
2691         [cf_cv_posix_c_source=no],
2692         [cf_want_posix_source=no
2693          case .$cf_POSIX_C_SOURCE in
2694          (.[[12]]??*)
2695                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2696                 ;;
2697          (.2)
2698                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2699                 cf_want_posix_source=yes
2700                 ;;
2701          (.*)
2702                 cf_want_posix_source=yes
2703                 ;;
2704          esac
2705          if test "$cf_want_posix_source" = yes ; then
2706                 AC_TRY_COMPILE([#include <sys/types.h>],[
2707 #ifdef _POSIX_SOURCE
2708 make an error
2709 #endif],[],
2710                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2711          fi
2712          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2713          CFLAGS="$cf_trim_CFLAGS"
2714          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2715          CF_MSG_LOG(if the second compile does not leave our definition intact error)
2716          AC_TRY_COMPILE([#include <sys/types.h>],[
2717 #ifndef _POSIX_C_SOURCE
2718 make an error
2719 #endif],,
2720          [cf_cv_posix_c_source=no])
2721          CFLAGS="$cf_save_CFLAGS"
2722          CPPFLAGS="$cf_save_CPPFLAGS"
2723         ])
2724 ])
2725
2726 if test "$cf_cv_posix_c_source" != no ; then
2727         CFLAGS="$cf_trim_CFLAGS"
2728         CPPFLAGS="$cf_trim_CPPFLAGS"
2729         CF_ADD_CFLAGS($cf_cv_posix_c_source)
2730 fi
2731
2732 ])dnl
2733 dnl ---------------------------------------------------------------------------
2734 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2735 dnl ----------
2736 dnl Check for archiver "ar".
2737 AC_DEFUN([CF_PROG_AR],[
2738 AC_CHECK_TOOL(AR, ar, ar)
2739 ])
2740 dnl ---------------------------------------------------------------------------
2741 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2742 dnl -----------
2743 dnl Check for awk, ensure that the check found something.
2744 AC_DEFUN([CF_PROG_AWK],
2745 [
2746 AC_PROG_AWK
2747 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2748 ])dnl
2749 dnl ---------------------------------------------------------------------------
2750 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2751 dnl ----------
2752 dnl standard check for CC, plus followup sanity checks
2753 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2754 AC_DEFUN([CF_PROG_CC],[
2755 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2756 CF_GCC_VERSION
2757 CF_ACVERSION_CHECK(2.52,
2758         [AC_PROG_CC_STDC],
2759         [CF_ANSI_CC_REQD])
2760 CF_CC_ENV_FLAGS
2761 ])dnl
2762 dnl ---------------------------------------------------------------------------
2763 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2764 dnl --------------
2765 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2766 dnl the output file can be renamed, and allows for a shell variable that can
2767 dnl be used later.  The parameter is either CC or CXX.  The result is the
2768 dnl cache variable:
2769 dnl     $cf_cv_prog_CC_c_o
2770 dnl     $cf_cv_prog_CXX_c_o
2771 AC_DEFUN([CF_PROG_CC_C_O],
2772 [AC_REQUIRE([AC_PROG_CC])dnl
2773 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2774 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2775 [
2776 cat > conftest.$ac_ext <<CF_EOF
2777 #include <stdio.h>
2778 int main()
2779 {
2780         ${cf_cv_main_return:-return}(0);
2781 }
2782 CF_EOF
2783 # We do the test twice because some compilers refuse to overwrite an
2784 # existing .o file with -o, though they will create one.
2785 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2786 if AC_TRY_EVAL(ac_try) &&
2787   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2788 then
2789   eval cf_cv_prog_$1_c_o=yes
2790 else
2791   eval cf_cv_prog_$1_c_o=no
2792 fi
2793 rm -rf conftest*
2794 ])dnl
2795 if test $cf_cv_prog_$1_c_o = yes; then
2796   AC_MSG_RESULT([yes])
2797 else
2798   AC_MSG_RESULT([no])
2799 fi
2800 ])dnl
2801 dnl ---------------------------------------------------------------------------
2802 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2803 dnl -------------
2804 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2805 dnl This macro adds a check to ensure the script found something.
2806 AC_DEFUN([CF_PROG_EGREP],
2807 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2808         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2809                 then ac_cv_prog_egrep='grep -E'
2810                 else ac_cv_prog_egrep='egrep'
2811         fi])
2812         EGREP=$ac_cv_prog_egrep
2813         AC_SUBST([EGREP])
2814         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2815 ])dnl
2816 dnl ---------------------------------------------------------------------------
2817 dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
2818 dnl -----------
2819 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2820 AC_DEFUN([CF_PROG_EXT],
2821 [
2822 AC_REQUIRE([CF_CHECK_CACHE])
2823 case $cf_cv_system_name in
2824 (os2*)
2825         CFLAGS="$CFLAGS -Zmt"
2826         CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2827         CXXFLAGS="$CXXFLAGS -Zmt"
2828         # autoconf's macro sets -Zexe and suffix both, which conflict:w
2829         LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2830         ac_cv_exeext=.exe
2831         ;;
2832 esac
2833
2834 AC_EXEEXT
2835 AC_OBJEXT
2836
2837 PROG_EXT="$EXEEXT"
2838 AC_SUBST(PROG_EXT)
2839 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2840 ])dnl
2841 dnl ---------------------------------------------------------------------------
2842 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
2843 dnl ------------
2844 dnl Check for gnatmake, ensure that it is complete.
2845 AC_DEFUN([CF_PROG_GNAT],[
2846 cf_ada_make=gnatmake
2847 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2848 if test "$ac_cv_prog_gnat_exists" = no; then
2849         cf_ada_make=
2850         cf_cv_prog_gnat_correct=no
2851 else
2852         CF_GNAT_VERSION
2853         AC_CHECK_PROG(M4_exists, m4, yes, no)
2854         if test "$ac_cv_prog_M4_exists" = no; then
2855                 cf_cv_prog_gnat_correct=no
2856                 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2857         fi
2858         if test "$cf_cv_prog_gnat_correct" = yes; then
2859                 AC_MSG_CHECKING(if GNAT works)
2860                 CF_GNAT_TRY_RUN([procedure conftest;],
2861 [with Text_IO;
2862 with GNAT.OS_Lib;
2863 procedure conftest is
2864 begin
2865    Text_IO.Put ("Hello World");
2866    Text_IO.New_Line;
2867    GNAT.OS_Lib.OS_Exit (0);
2868 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2869                 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2870         fi
2871 fi
2872
2873 AC_SUBST(cf_ada_make)
2874 ])dnl
2875 dnl ---------------------------------------------------------------------------
2876 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2877 dnl ------------
2878 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2879 dnl option if it is supported.
2880 AC_DEFUN([CF_PROG_LN_S],[
2881 AC_PROG_LN_S
2882 AC_MSG_CHECKING(if $LN_S -f options work)
2883
2884 rm -f conf$$.src conf$$dst
2885 echo >conf$$.dst
2886 echo first >conf$$.src
2887 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2888         cf_prog_ln_sf=yes
2889 else
2890         cf_prog_ln_sf=no
2891 fi
2892 rm -f conf$$.dst conf$$src
2893 AC_MSG_RESULT($cf_prog_ln_sf)
2894
2895 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2896 ])dnl
2897 dnl ---------------------------------------------------------------------------
2898 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2899 dnl ----------------
2900 dnl Remove all -U and -D options that refer to the given symbol from a list
2901 dnl of C compiler options.  This works around the problem that not all
2902 dnl compilers process -U and -D options from left-to-right, so a -U option
2903 dnl cannot be used to cancel the effect of a preceding -D option.
2904 dnl
2905 dnl $1 = target (which could be the same as the source variable)
2906 dnl $2 = source (including '$')
2907 dnl $3 = symbol to remove
2908 define([CF_REMOVE_DEFINE],
2909 [
2910 $1=`echo "$2" | \
2911         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
2912                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
2913 ])dnl
2914 dnl ---------------------------------------------------------------------------
2915 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2916 dnl -------------
2917 dnl Remove the given library from the symbol
2918 dnl
2919 dnl $1 = target (which could be the same as the source variable)
2920 dnl $2 = source (including '$')
2921 dnl $3 = library to remove
2922 define([CF_REMOVE_LIB],
2923 [
2924 # remove $3 library from $2
2925 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
2926 ])dnl
2927 dnl ---------------------------------------------------------------------------
2928 dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
2929 dnl --------------
2930 dnl --------------
2931 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2932 dnl library.
2933 dnl
2934 dnl Notes:
2935 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2936 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2937 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2938 dnl shared library since that can lead to unexpected results at runtime.
2939 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2940 dnl libraries are compiled in ../../lib
2941 dnl
2942 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2943 dnl to install symbolic links to the rel/abi versions of shared libraries.
2944 dnl
2945 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2946 dnl version when making symbolic links.
2947 dnl
2948 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2949 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2950 dnl (ex: libncurses.so.<ver>).
2951 dnl
2952 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
2953 AC_DEFUN([CF_SHARED_OPTS],
2954 [
2955         AC_REQUIRE([CF_LD_RPATH_OPT])
2956         RM_SHARED_OPTS=
2957         LOCAL_LDFLAGS=
2958         LOCAL_LDFLAGS2=
2959         LD_SHARED_OPTS=
2960         INSTALL_LIB="-m 644"
2961         : ${rel_builddir:=.}
2962
2963         shlibdir=$libdir
2964         AC_SUBST(shlibdir)
2965
2966         MAKE_DLLS="#"
2967         AC_SUBST(MAKE_DLLS)
2968
2969         cf_cv_do_symlinks=no
2970         cf_ld_rpath_opt=
2971         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2972
2973         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2974         AC_ARG_WITH(shlib-version,
2975         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
2976         [test -z "$withval" && withval=auto
2977         case $withval in
2978         (yes)
2979                 cf_cv_shlib_version=auto
2980                 ;;
2981         (rel|abi|auto)
2982                 cf_cv_shlib_version=$withval
2983                 ;;
2984         (*)
2985                 AC_MSG_RESULT($withval)
2986                 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
2987                 ;;
2988         esac
2989         ],[cf_cv_shlib_version=auto])
2990         AC_MSG_RESULT($cf_cv_shlib_version)
2991
2992         cf_cv_rm_so_locs=no
2993         cf_try_cflags=
2994
2995         # Some less-capable ports of gcc support only -fpic
2996         CC_SHARED_OPTS=
2997         if test "$GCC" = yes
2998         then
2999                 AC_MSG_CHECKING(which $CC option to use)
3000                 cf_save_CFLAGS="$CFLAGS"
3001                 for CC_SHARED_OPTS in -fPIC -fpic ''
3002                 do
3003                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3004                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3005                 done
3006                 AC_MSG_RESULT($CC_SHARED_OPTS)
3007                 CFLAGS="$cf_save_CFLAGS"
3008         fi
3009
3010         cf_cv_shlib_version_infix=no
3011
3012         case $cf_cv_system_name in
3013         (aix4.[3-9]*|aix[[5-7]]*)
3014                 if test "$GCC" = yes; then
3015                         CC_SHARED_OPTS='-Wl,-brtl'
3016                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3017                 else
3018                         CC_SHARED_OPTS='-brtl'
3019                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3020                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3021                 fi
3022                 ;;
3023         (beos*)
3024                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3025                 ;;
3026         (cygwin*)
3027                 CC_SHARED_OPTS=
3028                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3029                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3030                 cf_cv_shlib_version=cygdll
3031                 cf_cv_shlib_version_infix=cygdll
3032                 shlibdir=$bindir
3033                 MAKE_DLLS=
3034                 cat >mk_shared_lib.sh <<-CF_EOF
3035                 #!$SHELL
3036                 SHARED_LIB=\[$]1
3037                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3038                 shift
3039                 cat <<-EOF
3040                 Linking shared library
3041                 ** SHARED_LIB \[$]SHARED_LIB
3042                 ** IMPORT_LIB \[$]IMPORT_LIB
3043 EOF
3044                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3045 CF_EOF
3046                 chmod +x mk_shared_lib.sh
3047                 ;;
3048         (msys*)
3049                 CC_SHARED_OPTS=
3050                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3051                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3052                 cf_cv_shlib_version=msysdll
3053                 cf_cv_shlib_version_infix=msysdll
3054                 shlibdir=$bindir
3055                 MAKE_DLLS=
3056                 cat >mk_shared_lib.sh <<-CF_EOF
3057                 #!$SHELL
3058                 SHARED_LIB=\[$]1
3059                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3060                 shift
3061                 cat <<-EOF
3062                 Linking shared library
3063                 ** SHARED_LIB \[$]SHARED_LIB
3064                 ** IMPORT_LIB \[$]IMPORT_LIB
3065 EOF
3066                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3067 CF_EOF
3068                 chmod +x mk_shared_lib.sh
3069                 ;;
3070         (darwin*)
3071                 cf_try_cflags="no-cpp-precomp"
3072                 CC_SHARED_OPTS="-dynamic"
3073                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3074                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3075                 cf_cv_shlib_version_infix=yes
3076                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3077                         cf_save_LDFLAGS=$LDFLAGS
3078                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3079                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3080                                 LDFLAGS=$cf_save_LDFLAGS])
3081                 if test $cf_cv_ldflags_search_paths_first = yes; then
3082                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3083                 fi
3084                 ;;
3085         (hpux[[7-8]]*)
3086                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3087                 if test "$GCC" != yes; then
3088                         CC_SHARED_OPTS='+Z'
3089                 fi
3090                 MK_SHARED_LIB='${LD} -b -o $[@]'
3091                 INSTALL_LIB="-m 555"
3092                 ;;
3093         (hpux*)
3094                 # (tested with gcc 2.7.2 -- I don't have c89)
3095                 if test "$GCC" = yes; then
3096                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3097                 else
3098                         CC_SHARED_OPTS='+Z'
3099                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
3100                 fi
3101                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3102                 # HP-UX shared libraries must be executable, and should be
3103                 # readonly to exploit a quirk in the memory manager.
3104                 INSTALL_LIB="-m 555"
3105                 ;;
3106         (interix*)
3107                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3108                 if test "$cf_cv_shlib_version" = rel; then
3109                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3110                 else
3111                         cf_shared_soname='`basename $@`'
3112                 fi
3113                 CC_SHARED_OPTS=
3114                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3115                 ;;
3116         (irix*)
3117                 if test "$cf_cv_enable_rpath" = yes ; then
3118                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3119                 fi
3120                 # tested with IRIX 5.2 and 'cc'.
3121                 if test "$GCC" != yes; then
3122                         CC_SHARED_OPTS='-KPIC'
3123                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3124                 else
3125                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3126                 fi
3127                 cf_cv_rm_so_locs=yes
3128                 ;;
3129         (linux*|gnu*|k*bsd*-gnu)
3130                 if test "$DFT_LWR_MODEL" = "shared" ; then
3131                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3132                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3133                 fi
3134                 if test "$cf_cv_enable_rpath" = yes ; then
3135                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3136                 fi
3137                 CF_SHARED_SONAME
3138                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3139                 ;;
3140         (mingw*)
3141                 cf_cv_shlib_version=mingw
3142                 cf_cv_shlib_version_infix=mingw
3143                 shlibdir=$bindir
3144                 MAKE_DLLS=
3145                 if test "$DFT_LWR_MODEL" = "shared" ; then
3146                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3147                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3148                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3149                 fi
3150                 CC_SHARED_OPTS=
3151                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3152                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3153                 cat >mk_shared_lib.sh <<-CF_EOF
3154                 #!$SHELL
3155                 SHARED_LIB=\[$]1
3156                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3157                 shift
3158                 cat <<-EOF
3159                 Linking shared library
3160                 ** SHARED_LIB \[$]SHARED_LIB
3161                 ** IMPORT_LIB \[$]IMPORT_LIB
3162 EOF
3163                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3164 CF_EOF
3165                 chmod +x mk_shared_lib.sh
3166                 ;;
3167         (openbsd[[2-9]].*|mirbsd*)
3168                 if test "$DFT_LWR_MODEL" = "shared" ; then
3169                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3170                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3171                 fi
3172                 if test "$cf_cv_enable_rpath" = yes ; then
3173                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3174                 fi
3175                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3176                 CF_SHARED_SONAME
3177                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3178                 ;;
3179         (nto-qnx*|openbsd*|freebsd[[12]].*)
3180                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3181                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3182                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3183                 ;;
3184         (dragonfly*|freebsd*)
3185                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3186                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3187                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3188                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3189                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3190                 fi
3191                 CF_SHARED_SONAME
3192                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3193                 ;;
3194         (netbsd*)
3195                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3196                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3197                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3198                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3199                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3200                         if test "$cf_cv_shlib_version" = auto; then
3201                         if test -f /usr/libexec/ld.elf_so; then
3202                                 cf_cv_shlib_version=abi
3203                         else
3204                                 cf_cv_shlib_version=rel
3205                         fi
3206                         fi
3207                         CF_SHARED_SONAME
3208                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3209                 else
3210                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3211                 fi
3212                 ;;
3213         (osf*|mls+*)
3214                 # tested with OSF/1 V3.2 and 'cc'
3215                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3216                 # link with shared libs).
3217                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3218                 case $host_os in
3219                 (osf4*)
3220                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3221                         ;;
3222                 esac
3223                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3224                 if test "$DFT_LWR_MODEL" = "shared" ; then
3225                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3226                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3227                 fi
3228                 cf_cv_rm_so_locs=yes
3229                 ;;
3230         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
3231                 # tested with osr5.0.5
3232                 if test "$GCC" != yes; then
3233                         CC_SHARED_OPTS='-belf -KPIC'
3234                 fi
3235                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3236                 if test "$cf_cv_enable_rpath" = yes ; then
3237                         # only way is to set LD_RUN_PATH but no switch for it
3238                         RUN_PATH=$libdir
3239                 fi
3240                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3241                 LINK_PROGS='LD_RUN_PATH=${libdir}'
3242                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3243                 ;;
3244         (sunos4*)
3245                 # tested with SunOS 4.1.1 and gcc 2.7.0
3246                 if test "$GCC" != yes; then
3247                         CC_SHARED_OPTS='-KPIC'
3248                 fi
3249                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3250                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3251                 ;;
3252         (solaris2*)
3253                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3254                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3255                 if test "$DFT_LWR_MODEL" = "shared" ; then
3256                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3257                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3258                 fi
3259                 if test "$cf_cv_enable_rpath" = yes ; then
3260                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3261                 fi
3262                 CF_SHARED_SONAME
3263                 if test "$GCC" != yes; then
3264                         cf_save_CFLAGS="$CFLAGS"
3265                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3266                         do
3267                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3268                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3269                         done
3270                         CFLAGS="$cf_save_CFLAGS"
3271                         CC_SHARED_OPTS=$cf_shared_opts
3272                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3273                 else
3274                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3275                 fi
3276                 ;;
3277         (sysv5uw7*|unix_sv*)
3278                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3279                 if test "$GCC" != yes; then
3280                         CC_SHARED_OPTS='-KPIC'
3281                 fi
3282                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3283                 ;;
3284         (*)
3285                 CC_SHARED_OPTS='unknown'
3286                 MK_SHARED_LIB='echo unknown'
3287                 ;;
3288         esac
3289
3290         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3291         case "$cf_cv_shlib_version" in
3292         (rel|abi)
3293                 case "$MK_SHARED_LIB" in
3294                 (*'-o $[@]')
3295                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3296                         ;;
3297                 (*)
3298                         AC_MSG_WARN(ignored --with-shlib-version)
3299                         ;;
3300                 esac
3301                 ;;
3302         esac
3303
3304         if test -n "$cf_try_cflags"
3305         then
3306 cat > conftest.$ac_ext <<EOF
3307 #line __oline__ "${as_me:-configure}"
3308 #include <stdio.h>
3309 int main(int argc, char *argv[[]])
3310 {
3311         printf("hello\n");
3312         return (argv[[argc-1]] == 0) ;
3313 }
3314 EOF
3315                 cf_save_CFLAGS="$CFLAGS"
3316                 for cf_opt in $cf_try_cflags
3317                 do
3318                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
3319                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3320                         if AC_TRY_EVAL(ac_compile); then
3321                                 AC_MSG_RESULT(yes)
3322                                 cf_save_CFLAGS="$CFLAGS"
3323                         else
3324                                 AC_MSG_RESULT(no)
3325                         fi
3326                 done
3327                 CFLAGS="$cf_save_CFLAGS"
3328         fi
3329
3330
3331         # RPATH_LIST is a colon-separated list of directories
3332         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3333         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3334
3335         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3336
3337         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3338         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
3339
3340         AC_SUBST(CC_SHARED_OPTS)
3341         AC_SUBST(LD_RPATH_OPT)
3342         AC_SUBST(LD_SHARED_OPTS)
3343         AC_SUBST(MK_SHARED_LIB)
3344         AC_SUBST(RM_SHARED_OPTS)
3345
3346         AC_SUBST(LINK_PROGS)
3347         AC_SUBST(LINK_TESTS)
3348
3349         AC_SUBST(EXTRA_LDFLAGS)
3350         AC_SUBST(LOCAL_LDFLAGS)
3351         AC_SUBST(LOCAL_LDFLAGS2)
3352
3353         AC_SUBST(INSTALL_LIB)
3354         AC_SUBST(RPATH_LIST)
3355 ])dnl
3356 dnl ---------------------------------------------------------------------------
3357 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3358 dnl ----------------
3359 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3360 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3361 dnl option.
3362 dnl
3363 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3364 dnl If missing, use "rel".
3365 define([CF_SHARED_SONAME],
3366 [
3367         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3368         if test "$cf_cv_shlib_version" = rel; then
3369                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3370         else
3371                 cf_cv_shared_soname='`basename $[@]`'
3372         fi
3373 ])
3374 dnl ---------------------------------------------------------------------------
3375 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3376 dnl --------------
3377 dnl     Remove "-g" option from the compiler options
3378 AC_DEFUN([CF_STRIP_G_OPT],
3379 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3380 dnl ---------------------------------------------------------------------------
3381 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3382 dnl --------------
3383 dnl Construct a search-list for a nonstandard header/lib-file
3384 dnl     $1 = the variable to return as result
3385 dnl     $2 = the package name
3386 dnl     $3 = the subdirectory, e.g., bin, include or lib
3387 AC_DEFUN([CF_SUBDIR_PATH],
3388 [
3389 $1=
3390
3391 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3392
3393 for cf_subdir_prefix in \
3394         /usr \
3395         /usr/local \
3396         /usr/pkg \
3397         /opt \
3398         /opt/local \
3399         [$]HOME
3400 do
3401         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3402 done
3403 ])dnl
3404 dnl ---------------------------------------------------------------------------
3405 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3406 dnl --------------
3407 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
3408 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
3409 dnl but some packagers change this, breaking various applications.
3410 AC_DEFUN([CF_TERM_HEADER],[
3411 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3412 case ${cf_cv_ncurses_header} in
3413 (*/ncurses.h|*/ncursesw.h)
3414         cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3415         ;;
3416 (*)
3417         cf_term_header=term.h
3418         ;;
3419 esac
3420
3421 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3422 do
3423 AC_TRY_COMPILE([#include <stdio.h>
3424 #include <${cf_cv_ncurses_header:-curses.h}>
3425 #include <$cf_test>
3426 ],[int x = auto_left_margin],[
3427         cf_cv_term_header="$cf_test"],[
3428         cf_cv_term_header=unknown
3429         ])
3430         test "$cf_cv_term_header" != unknown && break
3431 done
3432 ])
3433
3434 # Set definitions to allow ifdef'ing to accommodate subdirectories
3435
3436 case $cf_cv_term_header in
3437 (*term.h)
3438         AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3439         ;;
3440 esac
3441
3442 case $cf_cv_term_header in
3443 (ncurses/term.h)
3444         AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3445         ;;
3446 (ncursesw/term.h)
3447         AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3448         ;;
3449 esac
3450 ])dnl
3451 dnl ---------------------------------------------------------------------------
3452 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3453 dnl ---------------
3454 dnl Define a top_builddir symbol, for applications that need an absolute path.
3455 AC_DEFUN([CF_TOP_BUILDDIR],
3456 [
3457 top_builddir=ifelse($1,,`pwd`,$1)
3458 AC_SUBST(top_builddir)
3459 ])dnl
3460 dnl ---------------------------------------------------------------------------
3461 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3462 dnl -------------------
3463 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3464 dnl can define it successfully.
3465 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3466 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3467         AC_TRY_COMPILE([
3468 #include <stdlib.h>
3469 #include <string.h>
3470 #include <sys/types.h>
3471 ],[
3472 #ifndef _XOPEN_SOURCE
3473 make an error
3474 #endif],
3475         [cf_cv_xopen_source=no],
3476         [cf_save="$CPPFLAGS"
3477          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3478          AC_TRY_COMPILE([
3479 #include <stdlib.h>
3480 #include <string.h>
3481 #include <sys/types.h>
3482 ],[
3483 #ifdef _XOPEN_SOURCE
3484 make an error
3485 #endif],
3486         [cf_cv_xopen_source=no],
3487         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3488         CPPFLAGS="$cf_save"
3489         ])
3490 ])
3491
3492 if test "$cf_cv_xopen_source" != no ; then
3493         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3494         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3495         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3496         CF_ADD_CFLAGS($cf_temp_xopen_source)
3497 fi
3498 ])
3499 dnl ---------------------------------------------------------------------------
3500 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3501 dnl --------
3502 dnl Make an uppercase version of a variable
3503 dnl $1=uppercase($2)
3504 AC_DEFUN([CF_UPPER],
3505 [
3506 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3507 ])dnl
3508 dnl ---------------------------------------------------------------------------
3509 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3510 dnl -----------
3511 dnl Check for multibyte support, and if not found, utf8 compatibility library
3512 AC_DEFUN([CF_UTF8_LIB],
3513 [
3514 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3515         cf_save_LIBS="$LIBS"
3516         AC_TRY_LINK([
3517 #include <stdlib.h>],[putwc(0,0);],
3518         [cf_cv_utf8_lib=yes],
3519         [CF_FIND_LINKAGE([
3520 #include <libutf8.h>],[putwc(0,0);],utf8,
3521                 [cf_cv_utf8_lib=add-on],
3522                 [cf_cv_utf8_lib=no])
3523 ])])
3524
3525 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3526 # ncurses/ncursesw:
3527 if test "$cf_cv_utf8_lib" = "add-on" ; then
3528         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3529         CF_ADD_INCDIR($cf_cv_header_path_utf8)
3530         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3531         CF_ADD_LIBS($cf_cv_library_file_utf8)
3532 fi
3533 ])dnl
3534 dnl ---------------------------------------------------------------------------
3535 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3536 dnl ----------
3537 dnl Use AC_VERBOSE w/o the warnings
3538 AC_DEFUN([CF_VERBOSE],
3539 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
3540 CF_MSG_LOG([$1])
3541 ])dnl
3542 dnl ---------------------------------------------------------------------------
3543 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3544 dnl ---------------
3545 dnl Check for compiler-support for weak symbols.
3546 dnl This works with "recent" gcc.
3547 AC_DEFUN([CF_WEAK_SYMBOLS],[
3548 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3549
3550 AC_TRY_COMPILE([
3551 #include <stdio.h>],
3552 [
3553 #if defined(__GNUC__)
3554 #  if defined __USE_ISOC99
3555 #    define _cat_pragma(exp)    _Pragma(#exp)
3556 #    define _weak_pragma(exp)   _cat_pragma(weak name)
3557 #  else
3558 #    define _weak_pragma(exp)
3559 #  endif
3560 #  define _declare(name)        __extension__ extern __typeof__(name) name
3561 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
3562 #endif
3563
3564 weak_symbol(fopen);
3565 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3566 ])
3567 ])dnl
3568 dnl ---------------------------------------------------------------------------
3569 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3570 dnl --------------------
3571 dnl Command-line option to specify the Ada95 compiler.
3572 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3573 AC_MSG_CHECKING(for ada-compiler)
3574 AC_ARG_WITH(ada-compiler,
3575         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3576         [cf_ada_compiler=$withval],
3577         [cf_ada_compiler=gnatmake])
3578 AC_SUBST(cf_ada_compiler)
3579 AC_MSG_RESULT($cf_ada_compiler)
3580 ])dnl
3581 dnl ---------------------------------------------------------------------------
3582 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3583 dnl -------------------
3584 dnl Command-line option to specify where Ada includes will install.
3585 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3586 AC_MSG_CHECKING(for ada-include)
3587 CF_WITH_PATH(ada-include,
3588    [  --with-ada-include=DIR  Ada includes are in DIR],
3589    ADA_INCLUDE,
3590    PREFIX/share/ada/adainclude,
3591    [$]prefix/share/ada/adainclude)
3592 AC_SUBST(ADA_INCLUDE)
3593 AC_MSG_RESULT($ADA_INCLUDE)
3594 ])dnl
3595 dnl ---------------------------------------------------------------------------
3596 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3597 dnl -------------------
3598 dnl Command-line option to specify where Ada objects will install.
3599 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3600 AC_MSG_CHECKING(for ada-objects)
3601 CF_WITH_PATH(ada-objects,
3602    [  --with-ada-objects=DIR  Ada objects are in DIR],
3603    ADA_OBJECTS,
3604    PREFIX/lib/ada/adalib,
3605    [$]prefix/lib/ada/adalib)
3606 AC_SUBST(ADA_OBJECTS)
3607 AC_MSG_RESULT($ADA_OBJECTS)
3608 ])dnl
3609 dnl ---------------------------------------------------------------------------
3610 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3611 dnl ---------------------
3612 dnl Command-line option to specify if an Ada95 shared-library should be built,
3613 dnl and optionally what its soname should be.
3614 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3615 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3616 AC_ARG_WITH(ada-sharedlib,
3617         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3618         [with_ada_sharedlib=$withval],
3619         [with_ada_sharedlib=no])
3620 AC_MSG_RESULT($with_ada_sharedlib)
3621
3622 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3623 MAKE_ADA_SHAREDLIB="#"
3624
3625 if test "x$with_ada_sharedlib" != xno
3626 then
3627         MAKE_ADA_SHAREDLIB=
3628         if test "x$with_ada_sharedlib" != xyes
3629         then
3630                 ADA_SHAREDLIB="$with_ada_sharedlib"
3631         fi
3632 fi
3633
3634 AC_SUBST(ADA_SHAREDLIB)
3635 AC_SUBST(MAKE_ADA_SHAREDLIB)
3636 ])dnl
3637 dnl ---------------------------------------------------------------------------
3638 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3639 dnl ------------------
3640 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3641 dnl libraries.
3642 AC_DEFUN([CF_WITH_CURSES_DIR],[
3643
3644 AC_MSG_CHECKING(for specific curses-directory)
3645 AC_ARG_WITH(curses-dir,
3646         [  --with-curses-dir=DIR   directory in which (n)curses is installed],
3647         [cf_cv_curses_dir=$withval],
3648         [cf_cv_curses_dir=no])
3649 AC_MSG_RESULT($cf_cv_curses_dir)
3650
3651 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3652 then
3653         CF_PATH_SYNTAX(withval)
3654         if test -d "$cf_cv_curses_dir"
3655         then
3656                 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3657                 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3658         fi
3659 fi
3660 ])dnl
3661 dnl ---------------------------------------------------------------------------
3662 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3663 dnl ------------------
3664 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
3665 dnl "lib" prefix, e.g., because it used the dll naming convention.
3666 dnl
3667 dnl $1 = variable to set
3668 AC_DEFUN([CF_WITH_LIB_PREFIX],
3669 [
3670 AC_MSG_CHECKING(if you want to have a library-prefix)
3671 AC_ARG_WITH(lib-prefix,
3672         [  --with-lib-prefix       override library-prefix],
3673         [with_lib_prefix=$withval],
3674         [with_lib_prefix=auto])
3675 AC_MSG_RESULT($with_lib_prefix)
3676
3677 if test $with_lib_prefix = auto
3678 then
3679         CF_LIB_PREFIX($1)
3680 elif test $with_lib_prefix = no
3681 then
3682         LIB_PREFIX=
3683 else
3684         LIB_PREFIX=$with_lib_prefix
3685 fi
3686 ])dnl
3687 dnl ---------------------------------------------------------------------------
3688 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3689 dnl ------------
3690 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3691 dnl defaulting to yes/no.
3692 dnl
3693 dnl $1 = option name
3694 dnl $2 = help-text
3695 dnl $3 = environment variable to set
3696 dnl $4 = default value, shown in the help-message, must be a constant
3697 dnl $5 = default value, if it's an expression & cannot be in the help-message
3698 dnl
3699 AC_DEFUN([CF_WITH_PATH],
3700 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3701 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3702 if ifelse([$5],,true,[test -n "$5"]) ; then
3703 CF_PATH_SYNTAX(withval)
3704 fi
3705 eval $3="$withval"
3706 AC_SUBST($3)dnl
3707 ])dnl
3708 dnl ---------------------------------------------------------------------------
3709 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
3710 dnl -------------------------
3711 dnl Allow the choice of the pkg-config library directory to be overridden.
3712 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3713
3714 case $PKG_CONFIG in
3715 (no|none|yes)
3716         AC_MSG_CHECKING(for pkg-config library directory)
3717         ;;
3718 (*)
3719         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3720         ;;
3721 esac
3722
3723 PKG_CONFIG_LIBDIR=no
3724 AC_ARG_WITH(pkg-config-libdir,
3725         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3726         [PKG_CONFIG_LIBDIR=$withval],
3727         [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
3728
3729 case x$PKG_CONFIG_LIBDIR in
3730 (x/*)
3731         ;;
3732 (xyes)
3733         # Look for the library directory using the same prefix as the executable
3734         if test "x$PKG_CONFIG" = xnone
3735         then
3736                 cf_path=$prefix
3737         else
3738                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3739         fi
3740
3741         # If you don't like using the default architecture, you have to specify the
3742         # intended library directory and corresponding compiler/linker options.
3743         #
3744         # This case allows for Debian's 2014-flavor of multiarch, along with the
3745         # most common variations before that point.  Some other variants spell the
3746         # directory differently, e.g., "pkg-config", and put it in unusual places.
3747         # pkg-config has always been poorly standardized, which is ironic...
3748         case x`(arch) 2>/dev/null` in
3749         (*64)
3750                 cf_search_path="\
3751                         $cf_path/lib/*64-linux-gnu \
3752                         $cf_path/share \
3753                         $cf_path/lib64 \
3754                         $cf_path/lib32 \
3755                         $cf_path/lib"
3756                 ;;
3757         (*)
3758                 cf_search_path="\
3759                         $cf_path/lib/*-linux-gnu \
3760                         $cf_path/share \
3761                         $cf_path/lib32 \
3762                         $cf_path/lib \
3763                         $cf_path/libdata"
3764                 ;;
3765         esac
3766
3767         CF_VERBOSE(list...)
3768         for cf_config in $cf_search_path
3769         do
3770                 CF_VERBOSE(checking $cf_config/pkgconfig)
3771                 if test -d $cf_config/pkgconfig
3772                 then
3773                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3774                         AC_MSG_CHECKING(done)
3775                         break
3776                 fi
3777         done
3778         ;;
3779 (*)
3780         ;;
3781 esac
3782
3783 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
3784         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3785 fi
3786
3787 AC_SUBST(PKG_CONFIG_LIBDIR)
3788 ])dnl
3789 dnl ---------------------------------------------------------------------------
3790 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
3791 dnl ---------------
3792 dnl Check for POSIX thread library.
3793 AC_DEFUN([CF_WITH_PTHREAD],
3794 [
3795 AC_MSG_CHECKING(if you want to link with the pthread library)
3796 AC_ARG_WITH(pthread,
3797         [  --with-pthread          use POSIX thread library],
3798         [with_pthread=$withval],
3799         [with_pthread=no])
3800 AC_MSG_RESULT($with_pthread)
3801
3802 if test "$with_pthread" != no ; then
3803         AC_CHECK_HEADER(pthread.h,[
3804         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3805
3806         for cf_lib_pthread in pthread c_r
3807         do
3808             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3809             cf_save_LIBS="$LIBS"
3810             CF_ADD_LIB($cf_lib_pthread)
3811             AC_TRY_LINK([
3812 #include <pthread.h>
3813 ],[
3814                 int rc = pthread_create(0,0,0,0);
3815                 int r2 = pthread_mutexattr_settype(0, 0);
3816 ],[with_pthread=yes],[with_pthread=no])
3817             LIBS="$cf_save_LIBS"
3818             AC_MSG_RESULT($with_pthread)
3819             test "$with_pthread" = yes && break
3820         done
3821
3822         if test "$with_pthread" = yes ; then
3823             CF_ADD_LIB($cf_lib_pthread)
3824             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3825         else
3826             AC_MSG_ERROR(Cannot link with pthread library)
3827         fi
3828         ])
3829 fi
3830 ])
3831 dnl ---------------------------------------------------------------------------
3832 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3833 dnl ---------------
3834 dnl For testing, override the derived host system-type which is used to decide
3835 dnl things such as the linker commands used to build shared libraries.  This is
3836 dnl normally chosen automatically based on the type of system which you are
3837 dnl building on.  We use it for testing the configure script.
3838 dnl
3839 dnl This is different from the --host option: it is used only for testing parts
3840 dnl of the configure script which would not be reachable with --host since that
3841 dnl relies on the build environment being real, rather than mocked up.
3842 AC_DEFUN([CF_WITH_SYSTYPE],[
3843 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3844 AC_ARG_WITH(system-type,
3845         [  --with-system-type=XXX  test: override derived host system-type],
3846 [AC_MSG_WARN(overriding system type to $withval)
3847         cf_cv_system_name=$withval
3848         host_os=$withval
3849 ])
3850 ])dnl
3851 dnl ---------------------------------------------------------------------------
3852 dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
3853 dnl ---------------
3854 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3855 dnl or adapt to the vendor's definitions to get equivalent functionality,
3856 dnl without losing the common non-POSIX features.
3857 dnl
3858 dnl Parameters:
3859 dnl     $1 is the nominal value for _XOPEN_SOURCE
3860 dnl     $2 is the nominal value for _POSIX_C_SOURCE
3861 AC_DEFUN([CF_XOPEN_SOURCE],[
3862 AC_REQUIRE([AC_CANONICAL_HOST])
3863
3864 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3865 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3866 cf_xopen_source=
3867
3868 case $host_os in
3869 (aix[[4-7]]*)
3870         cf_xopen_source="-D_ALL_SOURCE"
3871         ;;
3872 (cygwin|msys)
3873         cf_XOPEN_SOURCE=600
3874         ;;
3875 (darwin[[0-8]].*)
3876         cf_xopen_source="-D_APPLE_C_SOURCE"
3877         ;;
3878 (darwin*)
3879         cf_xopen_source="-D_DARWIN_C_SOURCE"
3880         cf_XOPEN_SOURCE=
3881         ;;
3882 (freebsd*|dragonfly*)
3883         # 5.x headers associate
3884         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3885         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3886         cf_POSIX_C_SOURCE=200112L
3887         cf_XOPEN_SOURCE=600
3888         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3889         ;;
3890 (hpux11*)
3891         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3892         ;;
3893 (hpux*)
3894         cf_xopen_source="-D_HPUX_SOURCE"
3895         ;;
3896 (irix[[56]].*)
3897         cf_xopen_source="-D_SGI_SOURCE"
3898         cf_XOPEN_SOURCE=
3899         ;;
3900 (linux*|gnu*|mint*|k*bsd*-gnu)
3901         CF_GNU_SOURCE
3902         ;;
3903 (minix*)
3904         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3905         ;;
3906 (mirbsd*)
3907         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3908         cf_XOPEN_SOURCE=
3909         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3910         ;;
3911 (netbsd*)
3912         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3913         ;;
3914 (openbsd[[4-9]]*)
3915         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3916         cf_xopen_source="-D_BSD_SOURCE"
3917         cf_XOPEN_SOURCE=600
3918         ;;
3919 (openbsd*)
3920         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3921         ;;
3922 (osf[[45]]*)
3923         cf_xopen_source="-D_OSF_SOURCE"
3924         ;;
3925 (nto-qnx*)
3926         cf_xopen_source="-D_QNX_SOURCE"
3927         ;;
3928 (sco*)
3929         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3930         ;;
3931 (solaris2.*)
3932         cf_xopen_source="-D__EXTENSIONS__"
3933         cf_cv_xopen_source=broken
3934         ;;
3935 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3936         cf_XOPEN_SOURCE=
3937         cf_POSIX_C_SOURCE=
3938         ;;
3939 (*)
3940         CF_TRY_XOPEN_SOURCE
3941         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3942         ;;
3943 esac
3944
3945 if test -n "$cf_xopen_source" ; then
3946         CF_ADD_CFLAGS($cf_xopen_source,true)
3947 fi
3948
3949 dnl In anything but the default case, we may have system-specific setting
3950 dnl which is still not guaranteed to provide all of the entrypoints that
3951 dnl _XOPEN_SOURCE would yield.
3952 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3953         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3954         AC_TRY_COMPILE([#include <stdlib.h>],[
3955 #ifndef _XOPEN_SOURCE
3956 make an error
3957 #endif],
3958         [cf_XOPEN_SOURCE_set=yes],
3959         [cf_XOPEN_SOURCE_set=no])
3960         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3961         if test $cf_XOPEN_SOURCE_set = yes
3962         then
3963                 AC_TRY_COMPILE([#include <stdlib.h>],[
3964 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3965 make an error
3966 #endif],
3967                 [cf_XOPEN_SOURCE_set_ok=yes],
3968                 [cf_XOPEN_SOURCE_set_ok=no])
3969                 if test $cf_XOPEN_SOURCE_set_ok = no
3970                 then
3971                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
3972                 fi
3973         else
3974                 CF_TRY_XOPEN_SOURCE
3975         fi
3976 fi
3977 ])