contrib/libgmp/configure

   1 #!/bin/sh
   2
   3 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
   4
   5 # Configuration script
   6 # Copyright (C) 1988, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
   7
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21
  22 # This file was originally written by K. Richard Pixley.
  23
  24 #
  25 # Shell script to create proper links to machine-dependent files in
  26 # preparation for compilation.
  27 #
  28 # If configure succeeds, it leaves its status in config.status.
  29 # If configure fails after disturbing the status quo,
  30 #       config.status is removed.
  31 #
  32
  33 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  34
  35 remove=rm
  36 hard_link=ln
  37 symbolic_link='ln -s'
  38
  39 #for Test
  40 #remove="echo rm"
  41 #hard_link="echo ln"
  42 #symbolic_link="echo ln -s"
  43
  44 # clear some things potentially inherited from environment.
  45
  46 Makefile=Makefile
  47 Makefile_in=Makefile.in
  48 arguments=
  49 build_alias=
  50 cache_file=
  51 cache_file_option=
  52 configdirs=
  53 exec_prefix=
  54 exec_prefixoption=
  55 fatal=
  56 floating_point=default
  57 gas=default
  58 host_alias=NOHOST
  59 host_makefile_frag=
  60 moveifchange=
  61 norecursion=
  62 other_options=
  63 package_makefile_frag=
  64 prefix=/usr/local
  65 progname=
  66 program_prefix=
  67 program_prefixoption=
  68 program_suffix=
  69 program_suffixoption=
  70 program_transform_name=
  71 program_transform_nameoption=
  72 redirect=">/dev/null"
  73 removing=
  74 site=
  75 site_makefile_frag=
  76 site_option=
  77 srcdir=
  78 srctrigger=
  79 subdirs=
  80 target_alias=NOTARGET
  81 target_makefile_frag=
  82 undefs=NOUNDEFS
  83 version="$Revision: 1.218 (modified for gmp) $"
  84 x11=default
  85
  86 ### we might need to use some other shell than /bin/sh for running subshells
  87 #
  88 config_shell=${CONFIG_SHELL-/bin/sh}
  89
  90 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  91
  92 ## this is a little touchy and won't always work, but...
  93 ##
  94 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  95 ## must) be used as is.
  96 ##
  97 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  98 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  99 ##
 100
 101 progname=$0
 102 # if PWD already has a value, it is probably wrong.
 103 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 104
 105 case "${progname}" in
 106 /*) ;;
 107 */*) ;;
 108 *)
 109         PATH=$PATH:${PWD=`pwd`} ; export PATH
 110         ;;
 111 esac
 112
 113 # Loop over all args
 114
 115 while :
 116 do
 117
 118 # Break out if there are no more args
 119         case $# in
 120         0)
 121                 break
 122                 ;;
 123         esac
 124
 125 # Get the first arg, and shuffle
 126         option=$1
 127         shift
 128
 129 # Make all options have two hyphens
 130         orig_option=$option     # Save original for error messages
 131         case $option in
 132         --*) ;;
 133         -*) option=-$option ;;
 134         esac
 135
 136 # Split out the argument for options that take them
 137         case $option in
 138         --*=*)
 139                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 140                 arguments="$arguments $option"
 141                 ;;
 142 # These options have mandatory values.  Since we didn't find an = sign,
 143 # the value must be in the next argument
 144         --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 145                 optarg=$1
 146                 shift
 147                 arguments="$arguments $option=$optarg"
 148                 ;;
 149         --v)
 150                 arguments="$arguments -v"
 151                 ;;
 152         --*)
 153                 arguments="$arguments $option"
 154                 ;;
 155         esac
 156
 157 # Now, process the options
 158         case $option in
 159
 160         --build* | --bu*)
 161                 case "$build_alias" in
 162                 "") build_alias=$optarg ;;
 163                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 164                    fatal=yes
 165                    ;;
 166                 esac
 167                 ;;
 168         --cache*)
 169                 cache_file=$optarg
 170                 ;;
 171         --disable-*)
 172                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 173                 eval $enableopt=no
 174                 disableoptions="$disableoptions $option"
 175                 ;;
 176         --enable-*)
 177                 case "$option" in
 178                 *=*)    ;;
 179                 *)      optarg=yes ;;
 180                 esac
 181
 182                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 183                 eval $enableopt="$optarg"
 184                 enableoptions="$enableoptions $option"
 185                 ;;
 186         --exec-prefix* | --ex*)
 187                 exec_prefix=$optarg
 188                 exec_prefixoption="--exec-prefix=$optarg"
 189                 ;;
 190         --gas | --g*)
 191                 gas=yes
 192                 ;;
 193         --help | --he*)
 194                 fatal=yes
 195                 ;;
 196         --host* | --ho*)
 197                 case $host_alias in
 198                 NOHOST) host_alias=$optarg ;;
 199                 *) echo '***' Can only configure for one host at a time.  1>&2
 200                    fatal=yes
 201                    ;;
 202                 esac
 203                 ;;
 204         --nfp | --nf*)
 205                 floating_point=no
 206                 floating_pointoption="--nfp"
 207                 ;;
 208         --norecursion | --no*)
 209                 norecursion=yes
 210                 ;;
 211         --prefix* | --pre*)
 212                 prefix=$optarg
 213                 prefixoption="--prefix=$optarg"
 214                 ;;
 215         --program-prefix* | --program-p*)
 216                 program_prefix=$optarg
 217                 program_prefixoption="--program-prefix=$optarg"
 218                 ;;
 219         --program-suffix* | --program-s*)
 220                 program_suffix=$optarg
 221                 program_suffixoption="--program-suffix=$optarg"
 222                 ;;
 223         --program-transform-name* | --program-t*)
 224                 # Double any backslashes or dollar signs in the argument
 225                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 226                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 227                 ;;
 228         --rm)
 229                 removing=--rm
 230                 ;;
 231         --silent | --sil* | --quiet | --q*)
 232                 redirect=">/dev/null"
 233                 verbose=--silent
 234                 ;;
 235         --site* | --sit*)
 236                 site=$optarg
 237                 site_option="--site=$optarg"
 238                 ;;
 239         --srcdir*/ | --sr*/)
 240                 # Remove trailing slashes.  Otherwise, when the file name gets
 241                 # bolted into an object file as debug info, it has two slashes
 242                 # in it.  Ordinarily this is ok, but emacs takes double slash
 243                 # to mean "forget the first part".
 244                 srcdir=`echo $optarg | sed -e 's:/$::'`
 245                 ;;
 246         --srcdir* | --sr*)
 247                 srcdir=$optarg
 248                 ;;
 249         --target* | --ta*)
 250                 case $target_alias in
 251                 NOTARGET) target_alias=$optarg ;;
 252                 *) echo '***' Can only configure for one target at a time.  1>&2
 253                    fatal=yes
 254                    ;;
 255                 esac
 256                 ;;
 257         --tmpdir* | --tm*)
 258                 TMPDIR=$optarg
 259                 tmpdiroption="--tmpdir=$optarg"
 260                 ;;
 261         --verbose | --v | --verb*)
 262                 redirect=
 263                 verbose=--verbose
 264                 ;;
 265         --version | --V | --vers*)
 266                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 267                 exit 0
 268                 ;;
 269         --with-*)
 270                 case "$option" in
 271                 *=*)    ;;
 272                 *)      optarg=yes ;;
 273                 esac
 274
 275                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 276                 eval $withopt="$optarg"
 277                 withoptions="$withoptions $option"
 278                 ;;
 279         --without-*)
 280                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 281                 eval $withopt=no
 282                 withoutoptions="$withoutoptions $option"
 283                 ;;
 284         --x)    with_x=yes
 285                 withoptions="$withoptions --with-x"
 286                 ;;
 287         --x-i* | --x-l*) other_options="$other_options $orig_option"
 288                 ;;
 289         --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 290                 # These options were added to autoconf for emacs.
 291                 ;;
 292         --*)
 293                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 294                 exit 1
 295                 ;;
 296         *)
 297                 case $undefs in
 298                 NOUNDEFS) undefs=$option ;;
 299                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 300                    fatal=yes
 301                    ;;
 302                 esac
 303                 ;;
 304         esac
 305 done
 306
 307 # process host and target
 308
 309 # Do some error checking and defaulting for the host and target type.
 310 # The inputs are:
 311 #    configure --host=HOST --target=TARGET UNDEFS
 312 #
 313 # The rules are:
 314 # 1. You aren't allowed to specify --host, --target, and undefs at the
 315 #    same time.
 316 # 2. Host defaults to undefs.
 317 # 3. If undefs is not specified, then host defaults to the current host,
 318 #    as determined by config.guess.
 319 # 4. Target defaults to undefs.
 320 # 5. If undefs is not specified, then target defaults to host.
 321
 322 case "${fatal}" in
 323 "")
 324         # Make sure that host, target & undefs aren't all specified at the
 325         # same time.
 326         case $host_alias---$target_alias---$undefs in
 327         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 328                 ;;
 329         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 330            fatal=yes
 331            break 2
 332                 ;;
 333         esac
 334
 335         # Now, do defaulting for host.
 336         case $host_alias in
 337         NOHOST)
 338                 case $undefs in
 339                 NOUNDEFS)
 340                         # Neither --host option nor undefs were present.
 341                         # Call config.guess.
 342                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 343                         if host_alias=`${guesssys}`
 344                         then
 345                                 # If the string we are going to use for
 346                                 # the target is a prefix of the string
 347                                 # we just guessed for the host, then
 348                                 # assume we are running native, and force
 349                                 # the same string for both target and host.
 350                                 case $target_alias in
 351                                 NOTARGET) ;;
 352                                 *)
 353                                         if expr $host_alias : $target_alias >/dev/null
 354                                         then
 355                                                 host_alias=$target_alias
 356                                         fi
 357                                         ;;
 358                                 esac
 359                                 echo "Configuring for a ${host_alias} host." 1>&2
 360                                 arguments="--host=$host_alias $arguments"
 361                         else
 362                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 363                                 fatal=yes
 364                         fi
 365                         ;;
 366                 *)
 367                         host_alias=$undefs
 368                         arguments="--host=$host_alias $arguments"
 369                         undefs=NOUNDEFS
 370                         ;;
 371                 esac
 372         esac
 373
 374         # Do defaulting for target.  If --target option isn't present, default
 375         # to undefs.  If undefs isn't present, default to host.
 376         case $target_alias in
 377         NOTARGET)
 378                 case $undefs in
 379                 NOUNDEFS)
 380                         target_alias=$host_alias
 381                         ;;
 382                 *)
 383                         target_alias=$undefs
 384                         arguments="--target=$target_alias $arguments"
 385                         ;;
 386                 esac
 387         esac
 388         ;;
 389 *) ;;
 390 esac
 391
 392 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 393         exec 1>&2
 394         echo Usage: configure [OPTIONS] [HOST]
 395         echo
 396         echo Options: [defaults in brackets]
 397         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 398         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 399         echo ' --help                    print this message [normal config]'
 400         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 401         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 402         echo ' --norecursion             configure this directory only [recurse]'
 403         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 404         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 405         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 406         echo ' --site=SITE               configure with site-specific makefile for SITE'
 407         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 408         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 409         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 410         echo ' --nfp                     configure for software floating point [hard float]'
 411         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 412         echo ' --without-FOO             package FOO is NOT available'
 413         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 414         echo ' --disable-FOO             do not include feature FOO'
 415         echo
 416         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 417         echo
 418         if [ -r config.status ] ; then
 419                 cat config.status
 420         fi
 421
 422         exit 1
 423 fi
 424
 425 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 426 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 427
 428 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 429 if ${configsub} sun4 >/dev/null 2>&1 ; then
 430         true
 431 else
 432         echo '***' cannot find config.sub.  1>&2
 433         exit 1
 434 fi
 435
 436 touch config.junk
 437 if ${moveifchange} config.junk config.trash ; then
 438         true
 439 else
 440         echo '***' cannot find move-if-change.  1>&2
 441         exit 1
 442 fi
 443 rm -f config.junk config.trash
 444
 445 case "${srcdir}" in
 446 "")
 447         if [ -r configure.in ] ; then
 448                 srcdir=.
 449         else
 450                 if [ -r ${progname}.in ] ; then
 451                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 452                 else
 453                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 454                         exit 1
 455                 fi
 456         fi
 457         ;;
 458 *)
 459         # Set srcdir to "." if that's what it is.
 460         # This is important for multilib support.
 461         if [ ! -d ${srcdir} ] ; then
 462                 echo "Invalid source directory ${srcdir}" >&2
 463                 exit 1
 464         fi
 465         pwd=`pwd`
 466         srcpwd=`cd ${srcdir} ; pwd`
 467         if [ "${pwd}" = "${srcpwd}" ] ; then
 468                 srcdir=.
 469         fi
 470 esac
 471
 472 ### warn about some conflicting configurations.
 473
 474 case "${srcdir}" in
 475 ".") ;;
 476 *)
 477         if [ -f ${srcdir}/config.status ] ; then
 478                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 479                 exit 1
 480         fi
 481 esac
 482
 483 # default exec_prefix
 484 case "${exec_prefixoption}" in
 485 "") exec_prefix="\$(prefix)" ;;
 486 *) ;;
 487 esac
 488
 489 ### break up ${srcdir}/configure.in.
 490 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 491 "")
 492         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 493         # Check for a directory that's been converted to use autoconf since
 494         # it was last configured.
 495         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 496           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 497           if [ -r ${srcdir}/configure ] ; then
 498             echo '***' Running the local configure script. 1>&2
 499             case "${cache_file}" in
 500             "") cache_file_option= ;;
 501             *)  cache_file_option="--cache-file=${cache_file}" ;;
 502             esac
 503             srcdiroption="--srcdir=${srcdir}"
 504             case "${build_alias}" in
 505             "") buildopt= ;;
 506             *)  buildopt="--build=${build_alias}" ;;
 507             esac
 508             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 509                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 510                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 511                 ${srcdiroption} \
 512                 ${program_prefixoption} ${program_suffixoption} \
 513                 ${program_transform_nameoption} ${site_option} \
 514                 ${withoptions} ${withoutoptions} \
 515                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 516                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 517           else
 518             echo '***' There is no configure script present though. 1>&2
 519           fi
 520         fi
 521         exit 1
 522         ;;
 523 *) ;;
 524 esac
 525
 526 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 527 "")
 528         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 529         exit 1
 530         ;;
 531 *) ;;
 532 esac
 533
 534 case "${TMPDIR}" in
 535 "") TMPDIR=/tmp ; export TMPDIR ;;
 536 *) ;;
 537 esac
 538
 539 # keep this filename short for &%*%$*# 14 char file names
 540 tmpfile=${TMPDIR}/cONf$$
 541 # Note that under many versions of sh a trap handler for 0 will *override* any
 542 # exit status you explicitly specify!  At this point, the only non-error exit
 543 # is at the end of the script; these actions are duplicated there, minus
 544 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 545 # trap handler, or you'll lose.
 546 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 547
 548 # split ${srcdir}/configure.in into common, per-host, per-target,
 549 # and post-target parts.  Post-target is optional.
 550 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 551 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 552 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 553   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 554   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 555 else
 556   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 557   echo >${tmpfile}.pos
 558 fi
 559
 560 ### do common part of configure.in
 561
 562 . ${tmpfile}.com
 563
 564 # some sanity checks on configure.in
 565 case "${srctrigger}" in
 566 "")
 567         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 568         exit 1
 569         ;;
 570 *) ;;
 571 esac
 572
 573 case "${build_alias}" in
 574 "")
 575         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 576             build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 577             build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 578             build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 579             build=${build_cpu}-${build_vendor}-${build_os}
 580             build_alias=${host_alias}
 581         fi
 582         ;;
 583 *)
 584         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 585             buildopt="--build=${build_alias}"
 586             build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 587             build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 588             build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 589             build=${build_cpu}-${build_vendor}-${build_os}
 590         else
 591             echo "Unrecognized build system name ${build_alias}." 1>&2
 592             exit 1
 593         fi
 594         ;;
 595 esac
 596
 597 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 598     true
 599 else
 600     echo "Unrecognized host system name ${host_alias}." 1>&2
 601     exit 1
 602 fi
 603 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 604 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 605 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 606 host=${host_cpu}-${host_vendor}-${host_os}
 607
 608 . ${tmpfile}.hst
 609
 610 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 611     true
 612 else
 613     echo "Unrecognized target system name ${target_alias}." 1>&2
 614     exit 1
 615 fi
 616 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 617 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 618 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 619 target=${target_cpu}-${target_vendor}-${target_os}
 620
 621 . ${tmpfile}.tgt
 622
 623 # Find the source files, if location was not specified.
 624 case "${srcdir}" in
 625 "")
 626         srcdirdefaulted=1
 627         srcdir=.
 628         if [ ! -r ${srctrigger} ] ; then
 629                 srcdir=..
 630         fi
 631         ;;
 632 *) ;;
 633 esac
 634
 635 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 636         case "${srcdirdefaulted}" in
 637         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 638         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 639         esac
 640
 641         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 642         exit 1
 643 fi
 644
 645 # Some systems (e.g., one of the i386-aix systems the gas testers are
 646 # using) don't handle "\$" correctly, so don't use it here.
 647 tooldir='$(exec_prefix)'/${target_alias}
 648
 649 if [ "${host_alias}" != "${target_alias}" ] ; then
 650     if [ "${program_prefixoption}" = "" ] ; then
 651         if [ "${program_suffixoption}" = "" ] ; then
 652             if [ "${program_transform_nameoption}" = "" ] ; then
 653                 program_prefix=${target_alias}- ;
 654             fi
 655         fi
 656     fi
 657 fi
 658
 659 # Merge program_prefix and program_suffix onto program_transform_name.
 660 # (program_suffix used to use $, but it's hard to preserve $ through both
 661 # make and sh.)
 662 if [ "${program_suffix}" != "" ] ; then
 663     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 664 fi
 665
 666 if [ "${program_prefix}" != "" ] ; then
 667     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 668 fi
 669
 670 # If CC and CXX are not set in the environment, and the Makefile
 671 # exists, try to extract them from it.  This is to handle running
 672 # ./config.status by hand.
 673 if [ -z "${CC}" -a -r Makefile ]; then
 674   sed -n -e ':loop
 675 /\\$/ N
 676 /\\$/ b loop
 677 s/\\\n//g
 678 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 679   CC=`tail -1 Makefile.cc`
 680   rm -f Makefile.cc
 681 fi
 682
 683 if [ -z "${CXX}" -a -r Makefile ]; then
 684   sed -n -e ':loop
 685 /\\$/ N
 686 /\\$/ b loop
 687 s/\\\n//g
 688 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 689   CXX=`tail -1 Makefile.cc`
 690   rm -f Makefile.cc
 691 fi
 692
 693 if [ "${build}" != "${host}" ]; then
 694   # If we are doing a Canadian Cross, in which the host and build systems
 695   # are not the same, we set reasonable default values for the tools.
 696
 697   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 698   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 699   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET HOST_PREFIX"
 700   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 701   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 702
 703   for var in ${tools}; do
 704     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
 705       sed -n -e ':loop
 706 /\\$/ N
 707 /\\$/ b loop
 708 s/\\\n//g
 709 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 710         < Makefile > Makefile.v
 711       t=`tail -1 Makefile.v`
 712       if [ -n "${t}" ]; then
 713         eval "${var}='${t}'"
 714       fi
 715       rm -f Makefile.v
 716     fi
 717   done
 718
 719   AR=${AR-${host_alias}-ar}
 720   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 721   AS=${AS-${host_alias}-as}
 722   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 723   CC=${CC-${host_alias}-gcc}
 724   CXX=${CXX-${host_alias}-gcc}
 725   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 726   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 727   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
 728   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 729   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 730   HOST_PREFIX=${build_alias}-
 731   HOST_PREFIX_1=${build_alias}-
 732   LD=${LD-${host_alias}-ld}
 733   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 734   MAKEINFO=${MAKEINFO-makeinfo}
 735   NM=${NM-${host_alias}-nm}
 736   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 737   RANLIB=${RANLIB-${host_alias}-ranlib}
 738   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 739
 740   if [ -z "${BISON}" ]; then
 741     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 742     for dir in $PATH; do
 743       test -z "$dir" && dir=.
 744       if test -f $dir/byacc; then
 745         BISON=byacc
 746         break
 747       fi
 748       if test -f $dir/bison; then
 749         BISON=bison
 750         break
 751       fi
 752       if test -f $dir/yacc; then
 753         BISON=yacc
 754         break
 755       fi
 756     done
 757     IFS="$save_ifs"
 758     BISON=${BISON-bison}
 759   fi
 760
 761   if [ -z "${LEX}" ]; then
 762     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 763     for dir in $PATH; do
 764       test -z "$dir" && dir=.
 765       if test -f $dir/flex; then
 766         LEX=flex
 767         break
 768       fi
 769       if test -f $dir/lex; then
 770         LEX=lex
 771         break
 772       fi
 773     done
 774     IFS="$save_ifs"
 775     LEX=${LEX-flex}
 776   fi
 777
 778   # Export variables which autoconf might try to set.
 779   export AS
 780   export AR
 781   export CC_FOR_BUILD
 782   export DLLTOOL
 783   export LD
 784   export NM
 785   export RANLIB
 786 else
 787   # If CC is still not set, try to get gcc.
 788   if [ x$with_gcc != xno -a -z "${CC}" ]; then
 789     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 790     for dir in $PATH; do
 791       test -z "$dir" && dir=.
 792       if test -f $dir/gcc; then
 793         CC="gcc -O2"
 794         break
 795       fi
 796     done
 797     IFS="$save_ifs"
 798     CC=${CC-cc}
 799   fi
 800
 801   CXX=${CXX-"gcc"}
 802 fi
 803
 804 export CC
 805 export CXX
 806
 807 case "$host" in
 808         *go32*)
 809             enable_gdbtk=no ;;
 810 esac
 811
 812 # Determine whether gdb needs tk/tcl or not.
 813 if [ "$enable_gdbtk" != "no" ]; then
 814         GDB_TK="all-tcl all-tk"
 815 else
 816         GDB_TK=""
 817 fi
 818
 819 for subdir in . ${subdirs} ; do
 820
 821     # ${subdir} is relative path from . to the directory we're currently
 822     # configuring.
 823     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 824     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 825
 826     ### figure out what to do with srcdir
 827     case "${srcdir}" in
 828         ".")  # no -srcdir option.  We're building in place.
 829                 makesrcdir=. ;;
 830         /*) # absolute path
 831                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 832                 ;;
 833         *) # otherwise relative
 834                 case "${subdir}" in
 835                 .) makesrcdir=${srcdir} ;;
 836                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 837                 esac
 838                 ;;
 839     esac
 840
 841     if [ "${subdir}/" != "./" ] ; then
 842         Makefile=${subdir}/Makefile
 843     fi
 844
 845     if [ ! -d ${subdir} ] ; then
 846         if mkdir ${subdir} ; then
 847                 true
 848         else
 849                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 850                 exit 1
 851         fi
 852     fi
 853
 854     case "${removing}" in
 855     "")
 856         case "${subdir}" in
 857         .) ;;
 858         *) eval echo Building in ${subdir} ${redirect} ;;
 859         esac
 860
 861         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 862         # Set up the list of links to be made.
 863         # ${links} is the list of link names, and ${files} is the list of names to link to.
 864
 865         # Make the links.
 866         configlinks="${links}"
 867         if [ -r ${subdir}/config.status ] ; then
 868                 mv -f ${subdir}/config.status ${subdir}/config.back
 869         fi
 870         while [ -n "${files}" ] ; do
 871                 # set file to car of files, files to cdr of files
 872                 set ${files}; file=$1; shift; files=$*
 873                 set ${links}; link=$1; shift; links=$*
 874
 875                 if [ ! -r ${srcdir}/${file} ] ; then
 876                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 877                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 878                         exit 1
 879                 fi
 880
 881                 ${remove} -f ${link}
 882                 # Make a symlink if possible, otherwise try a hard link
 883                 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
 884                         true
 885                 else
 886                         # We need to re-remove the file because Lynx leaves a
 887                         # very strange directory there when it fails an NFS symlink.
 888                         ${remove} -r -f ${link}
 889                         ${hard_link} ${srcdir}/${file} ${link}
 890                 fi
 891                 if [ ! -r ${link} ] ; then
 892                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 893                         exit 1
 894                 fi
 895
 896                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 897         done
 898
 899         # Create a .gdbinit file which runs the one in srcdir
 900         # and tells GDB to look there for source files.
 901
 902         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 903                 case ${srcdir} in
 904                 .) ;;
 905                 *) cat > ${subdir}/.gdbinit <<EOF
 906 # ${NO_EDIT}
 907 dir ${makesrcdir}
 908 dir .
 909 source ${makesrcdir}/.gdbinit
 910 EOF
 911                         ;;
 912                 esac
 913         fi
 914
 915         # Install a makefile, and make it set VPATH
 916         # if necessary so that the sources are found.
 917         # Also change its value of srcdir.
 918         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 919         # been somewhat optimized and is perhaps a bit twisty.
 920
 921         # code is order so as to try to sed the smallest input files we know.
 922
 923         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 924         # package, target, host, and site.  so do these separately because I don't trust the
 925         #  order of sed -e expressions.
 926
 927         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 928
 929             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 930             rm -f ${subdir}/Makefile.tem
 931               case "${site}" in
 932               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 933               *)
 934                       site_makefile_frag=${srcdir}/config/ms-${site}
 935
 936                       if [ -f ${site_makefile_frag} ] ; then
 937                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 938                                       > ${subdir}/Makefile.tem
 939                       else
 940                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 941                               site_makefile_frag=
 942                       fi
 943                       ;;
 944             esac
 945             # working copy now in ${subdir}/Makefile.tem
 946
 947             # Conditionalize the makefile for this host.
 948             rm -f ${Makefile}
 949             case "${host_makefile_frag}" in
 950               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 951               *)
 952                       if [ ! -f ${host_makefile_frag} ] ; then
 953                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 954                       fi
 955                       if [ -f ${host_makefile_frag} ] ; then
 956                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 957                       else
 958                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 959                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 960                               mv ${subdir}/Makefile.tem ${Makefile}
 961                       fi
 962             esac
 963             # working copy now in ${Makefile}
 964
 965             # Conditionalize the makefile for this target.
 966             rm -f ${subdir}/Makefile.tem
 967             case "${target_makefile_frag}" in
 968               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 969               *)
 970                       if [ ! -f ${target_makefile_frag} ] ; then
 971                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 972                       fi
 973                       if [ -f ${target_makefile_frag} ] ; then
 974                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 975                       else
 976                               mv ${Makefile} ${subdir}/Makefile.tem
 977                               target_makefile_frag=
 978                       fi
 979                       ;;
 980             esac
 981             # real copy now in ${subdir}/Makefile.tem
 982
 983             # Conditionalize the makefile for this package.
 984             rm -f ${Makefile}
 985             case "${package_makefile_frag}" in
 986               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 987               *)
 988                       if [ ! -f ${package_makefile_frag} ] ; then
 989                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 990                       fi
 991                       if [ -f ${package_makefile_frag} ] ; then
 992                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 993                               rm -f ${subdir}/Makefile.tem
 994                       else
 995                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 996                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 997                               mv ${subdir}/Makefile.tem ${Makefile}
 998                       fi
 999             esac
1000             # working copy now in ${Makefile}
1001
1002             mv ${Makefile} ${subdir}/Makefile.tem
1003
1004             # real copy now in ${subdir}/Makefile.tem
1005
1006             # prepend warning about editting, and a bunch of variables.
1007             rm -f ${Makefile}
1008             cat > ${Makefile} <<EOF
1009 # ${NO_EDIT}
1010 VPATH = ${makesrcdir}
1011 links = ${configlinks}
1012 host_alias = ${host_alias}
1013 host_cpu = ${host_cpu}
1014 host_vendor = ${host_vendor}
1015 host_os = ${host_os}
1016 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1017 target_alias = ${target_alias}
1018 target_cpu = ${target_cpu}
1019 target_vendor = ${target_vendor}
1020 target_os = ${target_os}
1021 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1022 EOF
1023             case "${build}" in
1024               "") ;;
1025               *)  cat >> ${Makefile} << EOF
1026 build_alias = ${build_alias}
1027 build_cpu = ${build_cpu}
1028 build_vendor = ${build_vendor}
1029 build_os = ${build_os}
1030 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1031 EOF
1032             esac
1033
1034             case "${package_makefile_frag}" in
1035               "") ;;
1036               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1037               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1038             esac
1039
1040             case "${target_makefile_frag}" in
1041               "") ;;
1042               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1043               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1044             esac
1045
1046             case "${host_makefile_frag}" in
1047               "") ;;
1048               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1049               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1050             esac
1051
1052             if [ "${site_makefile_frag}" != "" ] ; then
1053                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1054             fi
1055
1056             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1057             # remove any form feeds.
1058             if [ -z "${subdirs}" ]; then
1059                 rm -f ${subdir}/Makefile.tem2
1060                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1061                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1062                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
1063                 rm -f ${subdir}/Makefile.tem
1064                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
1065             fi
1066             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
1067                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
1068                     -e "/^CC[   ]*=/{
1069                         :loop1
1070                         /\\\\$/ N
1071                         /\\\\$/ b loop1
1072                         s/\\\\\\n//g
1073                         s%^CC[  ]*=.*$%CC = ${CC}%
1074                         }" \
1075                     -e "/^CXX[  ]*=/{
1076                         :loop2
1077                         /\\\\$/ N
1078                         /\\\\$/ b loop2
1079                         s/\\\\\\n//g
1080                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1081                         }" \
1082                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
1083                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1084                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
1085                     -e "s/\f//" \
1086                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1087                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1088                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1089                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
1090                     ${subdir}/Makefile.tem >> ${Makefile}
1091
1092             # If this is a Canadian Cross, preset the values of many more
1093             # tools.
1094             if [ "${build}" != "${host}" ]; then
1095                 for var in ${tools}; do
1096                     val=`eval 'echo $'"${var}"`
1097                     sed -e "/^${var}[   ]*=/{
1098                            :loop1
1099                            /\\\\$/ N
1100                            /\\\\$/ b loop1
1101                            s/\\\\\\n//g
1102                            s%^${var}[   ]*=.*$%${var} = ${val}%
1103                            }" ${Makefile} > ${Makefile}.tem
1104                     mv -f ${Makefile}.tem ${Makefile}
1105                 done
1106             fi
1107
1108             # final copy now in ${Makefile}
1109
1110         else
1111            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1112         fi
1113
1114         rm -f ${subdir}/Makefile.tem
1115
1116         case "${host_makefile_frag}" in
1117         "") using= ;;
1118         *) using="and \"${host_makefile_frag}\"" ;;
1119         esac
1120
1121         case "${target_makefile_frag}" in
1122         "") ;;
1123         *) using="${using} and \"${target_makefile_frag}\"" ;;
1124         esac
1125
1126         case "${site_makefile_frag}" in
1127         "") ;;
1128         *) using="${using} and \"${site_makefile_frag}\"" ;;
1129         esac
1130
1131         newusing=`echo "${using}" | sed 's/and/using/'`
1132         using=${newusing}
1133         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1134
1135         . ${tmpfile}.pos
1136
1137         # describe the chosen configuration in config.status.
1138         # Make that file a shellscript which will reestablish
1139         # the same configuration.  Used in Makefiles to rebuild
1140         # Makefiles.
1141
1142         case "${norecursion}" in
1143         "") arguments="${arguments} --norecursion" ;;
1144         *) ;;
1145         esac
1146
1147         if [ ${subdir} = . ] ; then
1148             echo "#!/bin/sh
1149 # ${NO_EDIT}
1150 # This directory was configured as follows:
1151 ${progname}" ${arguments}  "
1152 # ${using}" > ${subdir}/config.new
1153         else
1154             echo "#!/bin/sh
1155 # ${NO_EDIT}
1156 # This directory was configured as follows:
1157 cd ${invsubdir}
1158 ${progname}" ${arguments}  "
1159 # ${using}" > ${subdir}/config.new
1160         fi
1161         chmod a+x ${subdir}/config.new
1162         if [ -r ${subdir}/config.back ] ; then
1163                 mv -f ${subdir}/config.back ${subdir}/config.status
1164         fi
1165         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1166         ;;
1167
1168     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1169     esac
1170 done
1171
1172 # If there are subdirectories, then recur.
1173 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1174         for configdir in ${configdirs} ; do
1175
1176                 if [ -d ${srcdir}/${configdir} ] ; then
1177                         eval echo Configuring ${configdir}... ${redirect}
1178                         case "${srcdir}" in
1179                         ".") ;;
1180                         *)
1181                                 if [ ! -d ./${configdir} ] ; then
1182                                         if mkdir ./${configdir} ; then
1183                                                 true
1184                                         else
1185                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1186                                                 exit 1
1187                                         fi
1188                                 fi
1189                                 ;;
1190                         esac
1191
1192                         POPDIR=${PWD=`pwd`}
1193                         cd ${configdir}
1194
1195 ### figure out what to do with srcdir
1196                         case "${srcdir}" in
1197                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1198                         /*) # absolute path
1199                                 newsrcdir=${srcdir}/${configdir}
1200                                 srcdiroption="--srcdir=${newsrcdir}"
1201                                 ;;
1202                         *) # otherwise relative
1203                                 newsrcdir=../${srcdir}/${configdir}
1204                                 srcdiroption="--srcdir=${newsrcdir}"
1205                                 ;;
1206                         esac
1207
1208                         # Handle --cache-file=../XXX
1209                         case "${cache_file}" in
1210                         "") # empty
1211                                 ;;
1212                         /*) # absolute path
1213                                 cache_file_option="--cache-file=${cache_file}"
1214                                 ;;
1215                         *) # relative path
1216                                 cache_file_option="--cache-file=../${cache_file}"
1217                                 ;;
1218                         esac
1219
1220 ### check for guested configure, otherwise fix possibly relative progname
1221                         if [ -f ${newsrcdir}/configure ] ; then
1222                                 recprog=${newsrcdir}/configure
1223                         elif [ -f ${newsrcdir}/configure.in ] ; then
1224                                 case "${progname}" in
1225                                 /*)     recprog=${progname} ;;
1226                                 *)      recprog=../${progname} ;;
1227                                 esac
1228                         else
1229                                 eval echo No configuration information in ${configdir} ${redirect}
1230                                 recprog=
1231                         fi
1232
1233 ### The recursion line is here.
1234                         if [ ! -z "${recprog}" ] ; then
1235                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1236                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1237                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1238                                         true
1239                                 else
1240                                         echo Configure in `pwd` failed, exiting. 1>&2
1241                                         exit 1
1242                                 fi
1243                         fi
1244
1245                         cd ${POPDIR}
1246                 fi
1247         done
1248 fi
1249
1250 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1251 # and reset the trap handler.
1252 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1253 trap 0
1254
1255 exit 0
1256
1257 #
1258 # Local Variables:
1259 # fill-column: 131
1260 # End:
1261 #
1262
1263 # end of configure