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