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="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 698   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET HOST_PREFIX"
 699   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 700   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 701
 702   for var in ${tools}; do
 703     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
 704       sed -n -e ':loop
 705 /\\$/ N
 706 /\\$/ b loop
 707 s/\\\n//g
 708 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 709         < Makefile > Makefile.v
 710       t=`tail -1 Makefile.v`
 711       if [ -n "${t}" ]; then
 712         eval "${var}='${t}'"
 713       fi
 714       rm -f Makefile.v
 715     fi
 716   done
 717
 718   AR=${AR-${host_alias}-ar}
 719   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 720   AS=${AS-${host_alias}-as}
 721   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 722   CC=${CC-${host_alias}-gcc}
 723   CXX=${CXX-${host_alias}-gcc}
 724   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 725   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 726   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
 727   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 728   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 729   HOST_PREFIX=${build_alias}-
 730   HOST_PREFIX_1=${build_alias}-
 731   LD=${LD-${host_alias}-ld}
 732   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 733   MAKEINFO=${MAKEINFO-makeinfo}
 734   NM=${NM-${host_alias}-nm}
 735   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 736   RANLIB=${RANLIB-${host_alias}-ranlib}
 737   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 738
 739   if [ -z "${BISON}" ]; then
 740     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 741     for dir in $PATH; do
 742       test -z "$dir" && dir=.
 743       if test -f $dir/byacc; then
 744         BISON=byacc
 745         break
 746       fi
 747       if test -f $dir/bison; then
 748         BISON=bison
 749         break
 750       fi
 751       if test -f $dir/yacc; then
 752         BISON=yacc
 753         break
 754       fi
 755     done
 756     IFS="$save_ifs"
 757     BISON=${BISON-bison}
 758   fi
 759
 760   if [ -z "${LEX}" ]; then
 761     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 762     for dir in $PATH; do
 763       test -z "$dir" && dir=.
 764       if test -f $dir/flex; then
 765         LEX=flex
 766         break
 767       fi
 768       if test -f $dir/lex; then
 769         LEX=lex
 770         break
 771       fi
 772     done
 773     IFS="$save_ifs"
 774     LEX=${LEX-flex}
 775   fi
 776
 777   # Export variables which autoconf might try to set.
 778   export AS
 779   export AR
 780   export CC_FOR_BUILD
 781   export DLLTOOL
 782   export LD
 783   export NM
 784   export RANLIB
 785 else
 786   # If CC is still not set, try to get gcc.
 787   if [ -z "${CC}" ]; then
 788     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 789     for dir in $PATH; do
 790       test -z "$dir" && dir=.
 791       if test -f $dir/gcc; then
 792         CC="gcc -O2"
 793         break
 794       fi
 795     done
 796     IFS="$save_ifs"
 797     CC=${CC-cc}
 798   fi
 799
 800   CXX=${CXX-"gcc"}
 801 fi
 802
 803 export CC
 804 export CXX
 805
 806 case "$host" in
 807         *go32*)
 808             enable_gdbtk=no ;;
 809 esac
 810
 811 # Determine whether gdb needs tk/tcl or not.
 812 if [ "$enable_gdbtk" != "no" ]; then
 813         GDB_TK="all-tcl all-tk"
 814 else
 815         GDB_TK=""
 816 fi
 817
 818 for subdir in . ${subdirs} ; do
 819
 820     # ${subdir} is relative path from . to the directory we're currently
 821     # configuring.
 822     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 823     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 824
 825     ### figure out what to do with srcdir
 826     case "${srcdir}" in
 827         ".")  # no -srcdir option.  We're building in place.
 828                 makesrcdir=. ;;
 829         /*) # absolute path
 830                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 831                 ;;
 832         *) # otherwise relative
 833                 case "${subdir}" in
 834                 .) makesrcdir=${srcdir} ;;
 835                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 836                 esac
 837                 ;;
 838     esac
 839
 840     if [ "${subdir}/" != "./" ] ; then
 841         Makefile=${subdir}/Makefile
 842     fi
 843
 844     if [ ! -d ${subdir} ] ; then
 845         if mkdir ${subdir} ; then
 846                 true
 847         else
 848                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 849                 exit 1
 850         fi
 851     fi
 852
 853     case "${removing}" in
 854     "")
 855         case "${subdir}" in
 856         .) ;;
 857         *) eval echo Building in ${subdir} ${redirect} ;;
 858         esac
 859
 860         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 861         # Set up the list of links to be made.
 862         # ${links} is the list of link names, and ${files} is the list of names to link to.
 863
 864         # Make the links.
 865         configlinks="${links}"
 866         if [ -r ${subdir}/config.status ] ; then
 867                 mv -f ${subdir}/config.status ${subdir}/config.back
 868         fi
 869         while [ -n "${files}" ] ; do
 870                 # set file to car of files, files to cdr of files
 871                 set ${files}; file=$1; shift; files=$*
 872                 set ${links}; link=$1; shift; links=$*
 873
 874                 if [ ! -r ${srcdir}/${file} ] ; then
 875                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 876                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 877                         exit 1
 878                 fi
 879
 880                 ${remove} -f ${link}
 881                 # Make a symlink if possible, otherwise try a hard link
 882                 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
 883                         true
 884                 else
 885                         # We need to re-remove the file because Lynx leaves a
 886                         # very strange directory there when it fails an NFS symlink.
 887                         ${remove} -r -f ${link}
 888                         ${hard_link} ${srcdir}/${file} ${link}
 889                 fi
 890                 if [ ! -r ${link} ] ; then
 891                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 892                         exit 1
 893                 fi
 894
 895                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 896         done
 897
 898         # Create a .gdbinit file which runs the one in srcdir
 899         # and tells GDB to look there for source files.
 900
 901         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 902                 case ${srcdir} in
 903                 .) ;;
 904                 *) cat > ${subdir}/.gdbinit <<EOF
 905 # ${NO_EDIT}
 906 dir ${makesrcdir}
 907 dir .
 908 source ${makesrcdir}/.gdbinit
 909 EOF
 910                         ;;
 911                 esac
 912         fi
 913
 914         # Install a makefile, and make it set VPATH
 915         # if necessary so that the sources are found.
 916         # Also change its value of srcdir.
 917         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 918         # been somewhat optimized and is perhaps a bit twisty.
 919
 920         # code is order so as to try to sed the smallest input files we know.
 921
 922         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 923         # package, target, host, and site.  so do these separately because I don't trust the
 924         #  order of sed -e expressions.
 925
 926         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 927
 928             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 929             rm -f ${subdir}/Makefile.tem
 930               case "${site}" in
 931               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 932               *)
 933                       site_makefile_frag=${srcdir}/config/ms-${site}
 934
 935                       if [ -f ${site_makefile_frag} ] ; then
 936                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 937                                       > ${subdir}/Makefile.tem
 938                       else
 939                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 940                               site_makefile_frag=
 941                       fi
 942                       ;;
 943             esac
 944             # working copy now in ${subdir}/Makefile.tem
 945
 946             # Conditionalize the makefile for this host.
 947             rm -f ${Makefile}
 948             case "${host_makefile_frag}" in
 949               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 950               *)
 951                       if [ ! -f ${host_makefile_frag} ] ; then
 952                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 953                       fi
 954                       if [ -f ${host_makefile_frag} ] ; then
 955                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 956                       else
 957                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 958                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 959                               mv ${subdir}/Makefile.tem ${Makefile}
 960                       fi
 961             esac
 962             # working copy now in ${Makefile}
 963
 964             # Conditionalize the makefile for this target.
 965             rm -f ${subdir}/Makefile.tem
 966             case "${target_makefile_frag}" in
 967               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 968               *)
 969                       if [ ! -f ${target_makefile_frag} ] ; then
 970                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 971                       fi
 972                       if [ -f ${target_makefile_frag} ] ; then
 973                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 974                       else
 975                               mv ${Makefile} ${subdir}/Makefile.tem
 976                               target_makefile_frag=
 977                       fi
 978                       ;;
 979             esac
 980             # real copy now in ${subdir}/Makefile.tem
 981
 982             # Conditionalize the makefile for this package.
 983             rm -f ${Makefile}
 984             case "${package_makefile_frag}" in
 985               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 986               *)
 987                       if [ ! -f ${package_makefile_frag} ] ; then
 988                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 989                       fi
 990                       if [ -f ${package_makefile_frag} ] ; then
 991                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 992                               rm -f ${subdir}/Makefile.tem
 993                       else
 994                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 995                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 996                               mv ${subdir}/Makefile.tem ${Makefile}
 997                       fi
 998             esac
 999             # working copy now in ${Makefile}
1000
1001             mv ${Makefile} ${subdir}/Makefile.tem
1002
1003             # real copy now in ${subdir}/Makefile.tem
1004
1005             # prepend warning about editting, and a bunch of variables.
1006             rm -f ${Makefile}
1007             cat > ${Makefile} <<EOF
1008 # ${NO_EDIT}
1009 VPATH = ${makesrcdir}
1010 links = ${configlinks}
1011 host_alias = ${host_alias}
1012 host_cpu = ${host_cpu}
1013 host_vendor = ${host_vendor}
1014 host_os = ${host_os}
1015 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1016 target_alias = ${target_alias}
1017 target_cpu = ${target_cpu}
1018 target_vendor = ${target_vendor}
1019 target_os = ${target_os}
1020 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1021 EOF
1022             case "${build}" in
1023               "") ;;
1024               *)  cat >> ${Makefile} << EOF
1025 build_alias = ${build_alias}
1026 build_cpu = ${build_cpu}
1027 build_vendor = ${build_vendor}
1028 build_os = ${build_os}
1029 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1030 EOF
1031             esac
1032
1033             case "${package_makefile_frag}" in
1034               "") ;;
1035               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1036               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1037             esac
1038
1039             case "${target_makefile_frag}" in
1040               "") ;;
1041               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1042               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1043             esac
1044
1045             case "${host_makefile_frag}" in
1046               "") ;;
1047               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1048               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1049             esac
1050
1051             if [ "${site_makefile_frag}" != "" ] ; then
1052                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1053             fi
1054
1055             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1056             # remove any form feeds.
1057             if [ -z "${subdirs}" ]; then
1058                 rm -f ${subdir}/Makefile.tem2
1059                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1060                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1061                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
1062                 rm -f ${subdir}/Makefile.tem
1063                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
1064             fi
1065             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
1066                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
1067                     -e "/^CC[   ]*=/{
1068                         :loop1
1069                         /\\\\$/ N
1070                         /\\\\$/ b loop1
1071                         s/\\\\\\n//g
1072                         s%^CC[  ]*=.*$%CC = ${CC}%
1073                         }" \
1074                     -e "/^CXX[  ]*=/{
1075                         :loop2
1076                         /\\\\$/ N
1077                         /\\\\$/ b loop2
1078                         s/\\\\\\n//g
1079                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1080                         }" \
1081                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
1082                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1083                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
1084                     -e "s/\f//" \
1085                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1086                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1087                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1088                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
1089                     ${subdir}/Makefile.tem >> ${Makefile}
1090
1091             # If this is a Canadian Cross, preset the values of many more
1092             # tools.
1093             if [ "${build}" != "${host}" ]; then
1094                 for var in ${tools}; do
1095                     val=`eval 'echo $'"${var}"`
1096                     sed -e "/^${var}[   ]*=/{
1097                            :loop1
1098                            /\\\\$/ N
1099                            /\\\\$/ b loop1
1100                            s/\\\\\\n//g
1101                            s%^${var}[   ]*=.*$%${var} = ${val}%
1102                            }" ${Makefile} > ${Makefile}.tem
1103                     mv -f ${Makefile}.tem ${Makefile}
1104                 done
1105             fi
1106
1107             # final copy now in ${Makefile}
1108
1109         else
1110            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1111         fi
1112
1113         rm -f ${subdir}/Makefile.tem
1114
1115         case "${host_makefile_frag}" in
1116         "") using= ;;
1117         *) using="and \"${host_makefile_frag}\"" ;;
1118         esac
1119
1120         case "${target_makefile_frag}" in
1121         "") ;;
1122         *) using="${using} and \"${target_makefile_frag}\"" ;;
1123         esac
1124
1125         case "${site_makefile_frag}" in
1126         "") ;;
1127         *) using="${using} and \"${site_makefile_frag}\"" ;;
1128         esac
1129
1130         newusing=`echo "${using}" | sed 's/and/using/'`
1131         using=${newusing}
1132         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1133
1134         . ${tmpfile}.pos
1135
1136         # describe the chosen configuration in config.status.
1137         # Make that file a shellscript which will reestablish
1138         # the same configuration.  Used in Makefiles to rebuild
1139         # Makefiles.
1140
1141         case "${norecursion}" in
1142         "") arguments="${arguments} --norecursion" ;;
1143         *) ;;
1144         esac
1145
1146         if [ ${subdir} = . ] ; then
1147             echo "#!/bin/sh
1148 # ${NO_EDIT}
1149 # This directory was configured as follows:
1150 ${progname}" ${arguments}  "
1151 # ${using}" > ${subdir}/config.new
1152         else
1153             echo "#!/bin/sh
1154 # ${NO_EDIT}
1155 # This directory was configured as follows:
1156 cd ${invsubdir}
1157 ${progname}" ${arguments}  "
1158 # ${using}" > ${subdir}/config.new
1159         fi
1160         chmod a+x ${subdir}/config.new
1161         if [ -r ${subdir}/config.back ] ; then
1162                 mv -f ${subdir}/config.back ${subdir}/config.status
1163         fi
1164         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1165         ;;
1166
1167     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1168     esac
1169 done
1170
1171 # If there are subdirectories, then recur.
1172 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1173         for configdir in ${configdirs} ; do
1174
1175                 if [ -d ${srcdir}/${configdir} ] ; then
1176                         eval echo Configuring ${configdir}... ${redirect}
1177                         case "${srcdir}" in
1178                         ".") ;;
1179                         *)
1180                                 if [ ! -d ./${configdir} ] ; then
1181                                         if mkdir ./${configdir} ; then
1182                                                 true
1183                                         else
1184                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1185                                                 exit 1
1186                                         fi
1187                                 fi
1188                                 ;;
1189                         esac
1190
1191                         POPDIR=${PWD=`pwd`}
1192                         cd ${configdir}
1193
1194 ### figure out what to do with srcdir
1195                         case "${srcdir}" in
1196                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1197                         /*) # absolute path
1198                                 newsrcdir=${srcdir}/${configdir}
1199                                 srcdiroption="--srcdir=${newsrcdir}"
1200                                 ;;
1201                         *) # otherwise relative
1202                                 newsrcdir=../${srcdir}/${configdir}
1203                                 srcdiroption="--srcdir=${newsrcdir}"
1204                                 ;;
1205                         esac
1206
1207                         # Handle --cache-file=../XXX
1208                         case "${cache_file}" in
1209                         "") # empty
1210                                 ;;
1211                         /*) # absolute path
1212                                 cache_file_option="--cache-file=${cache_file}"
1213                                 ;;
1214                         *) # relative path
1215                                 cache_file_option="--cache-file=../${cache_file}"
1216                                 ;;
1217                         esac
1218
1219 ### check for guested configure, otherwise fix possibly relative progname
1220                         if [ -f ${newsrcdir}/configure ] ; then
1221                                 recprog=${newsrcdir}/configure
1222                         elif [ -f ${newsrcdir}/configure.in ] ; then
1223                                 case "${progname}" in
1224                                 /*)     recprog=${progname} ;;
1225                                 *)      recprog=../${progname} ;;
1226                                 esac
1227                         else
1228                                 eval echo No configuration information in ${configdir} ${redirect}
1229                                 recprog=
1230                         fi
1231
1232 ### The recursion line is here.
1233                         if [ ! -z "${recprog}" ] ; then
1234                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1235                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1236                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1237                                         true
1238                                 else
1239                                         echo Configure in `pwd` failed, exiting. 1>&2
1240                                         exit 1
1241                                 fi
1242                         fi
1243
1244                         cd ${POPDIR}
1245                 fi
1246         done
1247 fi
1248
1249 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1250 # and reset the trap handler.
1251 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1252 trap 0
1253
1254 exit 0
1255
1256 #
1257 # Local Variables:
1258 # fill-column: 131
1259 # End:
1260 #
1261
1262 # end of configure