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, 95, 96, 1997
   7 # Free Software Foundation, Inc.
   8
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22
  23 # This file was originally written by K. Richard Pixley.
  24
  25 #
  26 # Shell script to create proper links to machine-dependent files in
  27 # preparation for compilation.
  28 #
  29 # If configure succeeds, it leaves its status in config.status.
  30 # If configure fails after disturbing the status quo,
  31 #       config.status is removed.
  32 #
  33
  34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 #for Test
  41 #remove="echo rm"
  42 #hard_link="echo ln"
  43 #symbolic_link="echo ln -s"
  44
  45 # clear some things potentially inherited from environment.
  46
  47 Makefile=Makefile
  48 Makefile_in=Makefile.in
  49 arguments=
  50 build_alias=
  51 cache_file=config.cache
  52 cache_file_option=
  53 configdirs=
  54 exec_prefix=
  55 exec_prefixoption=
  56 fatal=
  57 floating_point=default
  58 gas=default
  59 host_alias=NOHOST
  60 host_makefile_frag=
  61 moveifchange=
  62 norecursion=
  63 other_options=
  64 package_makefile_frag=
  65 prefix=/usr/local
  66 progname=
  67 program_prefix=
  68 program_prefixoption=
  69 program_suffix=
  70 program_suffixoption=
  71 program_transform_name=
  72 program_transform_nameoption=
  73 redirect=">/dev/null"
  74 removing=
  75 site=
  76 site_makefile_frag=
  77 site_option=
  78 srcdir=
  79 srctrigger=
  80 subdirs=
  81 target_alias=NOTARGET
  82 target_makefile_frag=
  83 undefs=NOUNDEFS
  84 version="$Revision$"
  85 x11=default
  86
  87 ### we might need to use some other shell than /bin/sh for running subshells
  88 #
  89 config_shell=${CONFIG_SHELL-/bin/sh}
  90
  91 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  92
  93 ## this is a little touchy and won't always work, but...
  94 ##
  95 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  96 ## must) be used as is.
  97 ##
  98 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  99 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 100 ##
 101
 102 progname=$0
 103 # if PWD already has a value, it is probably wrong.
 104 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 105
 106 case "${progname}" in
 107 /*) ;;
 108 */*) ;;
 109 *)
 110         PATH=$PATH:${PWD=`pwd`} ; export PATH
 111         ;;
 112 esac
 113
 114 # Loop over all args
 115
 116 while :
 117 do
 118
 119 # Break out if there are no more args
 120         case $# in
 121         0)
 122                 break
 123                 ;;
 124         esac
 125
 126 # Get the first arg, and shuffle
 127         option=$1
 128         shift
 129
 130 # Make all options have two hyphens
 131         orig_option=$option     # Save original for error messages
 132         case $option in
 133         --*) ;;
 134         -*) option=-$option ;;
 135         esac
 136
 137 # Split out the argument for options that take them
 138         case $option in
 139         --*=*)
 140                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 141                 arguments="$arguments $option"
 142                 ;;
 143 # These options have mandatory values.  Since we didn't find an = sign,
 144 # the value must be in the next argument
 145         --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*)
 146                 optarg=$1
 147                 shift
 148                 arguments="$arguments $option=$optarg"
 149                 ;;
 150         --v)
 151                 arguments="$arguments -v"
 152                 ;;
 153         --*)
 154                 arguments="$arguments $option"
 155                 ;;
 156         esac
 157
 158 # Now, process the options
 159         case $option in
 160
 161         --build* | --bu*)
 162                 case "$build_alias" in
 163                 "") build_alias=$optarg ;;
 164                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 165                    fatal=yes
 166                    ;;
 167                 esac
 168                 ;;
 169         --cache*)
 170                 cache_file=$optarg
 171                 ;;
 172         --disable-*)
 173                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 174                 eval $enableopt=no
 175                 disableoptions="$disableoptions $option"
 176                 ;;
 177         --enable-*)
 178                 case "$option" in
 179                 *=*)    ;;
 180                 *)      optarg=yes ;;
 181                 esac
 182
 183                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 184                 eval "$enableopt='$optarg'"
 185                 enableoptions="$enableoptions '$option'"
 186                 ;;
 187         --exec-prefix* | --ex*)
 188                 exec_prefix=$optarg
 189                 exec_prefixoption="--exec-prefix=$optarg"
 190                 ;;
 191         --gas | --g*)
 192                 gas=yes
 193                 ;;
 194         --help | --he*)
 195                 fatal=yes
 196                 ;;
 197         --host* | --ho*)
 198                 case $host_alias in
 199                 NOHOST) host_alias=$optarg ;;
 200                 *) echo '***' Can only configure for one host at a time.  1>&2
 201                    fatal=yes
 202                    ;;
 203                 esac
 204                 ;;
 205         --nfp | --nf*)
 206                 floating_point=no
 207                 floating_pointoption="--nfp"
 208                 ;;
 209         --norecursion | --no*)
 210                 norecursion=yes
 211                 ;;
 212         --prefix* | --pre*)
 213                 prefix=$optarg
 214                 prefixoption="--prefix=$optarg"
 215                 ;;
 216         --program-prefix* | --program-p*)
 217                 program_prefix=$optarg
 218                 program_prefixoption="--program-prefix=$optarg"
 219                 ;;
 220         --program-suffix* | --program-s*)
 221                 program_suffix=$optarg
 222                 program_suffixoption="--program-suffix=$optarg"
 223                 ;;
 224         --program-transform-name* | --program-t*)
 225                 # Double any backslashes or dollar signs in the argument
 226                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 227                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 228                 ;;
 229         --rm)
 230                 removing=--rm
 231                 ;;
 232         --silent | --sil* | --quiet | --q*)
 233                 redirect=">/dev/null"
 234                 verbose=--silent
 235                 ;;
 236         --site* | --sit*)
 237                 site=$optarg
 238                 site_option="--site=$optarg"
 239                 ;;
 240         --srcdir*/ | --sr*/)
 241                 # Remove trailing slashes.  Otherwise, when the file name gets
 242                 # bolted into an object file as debug info, it has two slashes
 243                 # in it.  Ordinarily this is ok, but emacs takes double slash
 244                 # to mean "forget the first part".
 245                 srcdir=`echo $optarg | sed -e 's:/$::'`
 246                 ;;
 247         --srcdir* | --sr*)
 248                 srcdir=$optarg
 249                 ;;
 250         --target* | --ta*)
 251                 case $target_alias in
 252                 NOTARGET) target_alias=$optarg ;;
 253                 *) echo '***' Can only configure for one target at a time.  1>&2
 254                    fatal=yes
 255                    ;;
 256                 esac
 257                 ;;
 258         --tmpdir* | --tm*)
 259                 TMPDIR=$optarg
 260                 tmpdiroption="--tmpdir=$optarg"
 261                 ;;
 262         --verbose | --v | --verb*)
 263                 redirect=
 264                 verbose=--verbose
 265                 ;;
 266         --version | --V | --vers*)
 267                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 268                 exit 0
 269                 ;;
 270         --with-*)
 271                 case "$option" in
 272                 *=*)    ;;
 273                 *)      optarg=yes ;;
 274                 esac
 275
 276                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 277                 eval $withopt="$optarg"
 278                 withoptions="$withoptions $option"
 279                 ;;
 280         --without-*)
 281                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 282                 eval $withopt=no
 283                 withoutoptions="$withoutoptions $option"
 284                 ;;
 285         --x)    with_x=yes
 286                 withoptions="$withoptions --with-x"
 287                 ;;
 288         --x-i* | --x-l*) other_options="$other_options $orig_option"
 289                 ;;
 290         --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 291                 # These options were added to autoconf for emacs.
 292                 ;;
 293         --*)
 294                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 295                 exit 1
 296                 ;;
 297         *)
 298                 case $undefs in
 299                 NOUNDEFS) undefs=$option ;;
 300                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 301                    fatal=yes
 302                    ;;
 303                 esac
 304                 ;;
 305         esac
 306 done
 307
 308 # process host and target
 309
 310 # Do some error checking and defaulting for the host and target type.
 311 # The inputs are:
 312 #    configure --host=HOST --target=TARGET UNDEFS
 313 #
 314 # The rules are:
 315 # 1. You aren't allowed to specify --host, --target, and undefs at the
 316 #    same time.
 317 # 2. Host defaults to undefs.
 318 # 3. If undefs is not specified, then host defaults to the current host,
 319 #    as determined by config.guess.
 320 # 4. Target defaults to undefs.
 321 # 5. If undefs is not specified, then target defaults to host.
 322
 323 case "${fatal}" in
 324 "")
 325         # Make sure that host, target & undefs aren't all specified at the
 326         # same time.
 327         case $host_alias---$target_alias---$undefs in
 328         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 329                 ;;
 330         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 331            fatal=yes
 332            break 2
 333                 ;;
 334         esac
 335
 336         # Now, do defaulting for host.
 337         case $host_alias in
 338         NOHOST)
 339                 case $undefs in
 340                 NOUNDEFS)
 341                         # Neither --host option nor undefs were present.
 342                         # Call config.guess.
 343                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 344                         if host_alias=`${config_shell} ${guesssys}`
 345                         then
 346                                 # If the string we are going to use for
 347                                 # the target is a prefix of the string
 348                                 # we just guessed for the host, then
 349                                 # assume we are running native, and force
 350                                 # the same string for both target and host.
 351                                 case $target_alias in
 352                                 NOTARGET) ;;
 353                                 *)
 354                                         if expr $host_alias : $target_alias >/dev/null
 355                                         then
 356                                                 host_alias=$target_alias
 357                                         fi
 358                                         ;;
 359                                 esac
 360                                 echo "Configuring for a ${host_alias} host." 1>&2
 361                                 arguments="--host=$host_alias $arguments"
 362                         else
 363                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 364                                 fatal=yes
 365                         fi
 366                         ;;
 367                 *)
 368                         host_alias=$undefs
 369                         arguments="--host=$host_alias $arguments"
 370                         undefs=NOUNDEFS
 371                         ;;
 372                 esac
 373         esac
 374
 375         # Do defaulting for target.  If --target option isn't present, default
 376         # to undefs.  If undefs isn't present, default to host.
 377         case $target_alias in
 378         NOTARGET)
 379                 case $undefs in
 380                 NOUNDEFS)
 381                         target_alias=$host_alias
 382                         ;;
 383                 *)
 384                         target_alias=$undefs
 385                         arguments="--target=$target_alias $arguments"
 386                         ;;
 387                 esac
 388         esac
 389         ;;
 390 *) ;;
 391 esac
 392
 393 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 394         exec 1>&2
 395         echo Usage: configure [OPTIONS] [HOST]
 396         echo
 397         echo Options: [defaults in brackets]
 398         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 399         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 400         echo ' --help                    print this message [normal config]'
 401         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 402         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 403         echo ' --norecursion             configure this directory only [recurse]'
 404         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 405         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 406         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 407         echo ' --site=SITE               configure with site-specific makefile for SITE'
 408         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 409         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 410         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 411         echo ' --nfp                     configure for software floating point [hard float]'
 412         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 413         echo ' --without-FOO             package FOO is NOT available'
 414         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 415         echo ' --disable-FOO             do not include feature FOO'
 416         echo
 417         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 418         echo
 419         if [ -r config.status ] ; then
 420                 cat config.status
 421         fi
 422
 423         exit 1
 424 fi
 425
 426 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 427 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 428
 429 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 430 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 431         true
 432 else
 433         echo '***' cannot find config.sub.  1>&2
 434         exit 1
 435 fi
 436
 437 touch config.junk
 438 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 439         true
 440 else
 441         echo '***' cannot find move-if-change.  1>&2
 442         exit 1
 443 fi
 444 rm -f config.junk config.trash
 445
 446 case "${srcdir}" in
 447 "")
 448         if [ -r configure.in ] ; then
 449                 srcdir=.
 450         else
 451                 if [ -r ${progname}.in ] ; then
 452                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 453                 else
 454                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 455                         exit 1
 456                 fi
 457         fi
 458         ;;
 459 *)
 460         # Set srcdir to "." if that's what it is.
 461         # This is important for multilib support.
 462         if [ ! -d ${srcdir} ] ; then
 463                 echo "Invalid source directory ${srcdir}" >&2
 464                 exit 1
 465         fi
 466         pwd=`pwd`
 467         srcpwd=`cd ${srcdir} ; pwd`
 468         if [ "${pwd}" = "${srcpwd}" ] ; then
 469                 srcdir=.
 470         fi
 471 esac
 472
 473 ### warn about some conflicting configurations.
 474
 475 case "${srcdir}" in
 476 ".") ;;
 477 *)
 478         if [ -f ${srcdir}/config.status ] ; then
 479                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 480                 exit 1
 481         fi
 482 esac
 483
 484 # default exec_prefix
 485 case "${exec_prefixoption}" in
 486 "") exec_prefix="\$(prefix)" ;;
 487 *) ;;
 488 esac
 489
 490 ### break up ${srcdir}/configure.in.
 491 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 492 "")
 493         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 494         # Check for a directory that's been converted to use autoconf since
 495         # it was last configured.
 496         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 497           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 498           if [ -r ${srcdir}/configure ] ; then
 499             echo '***' Running the local configure script. 1>&2
 500             case "${cache_file}" in
 501             "") cache_file_option= ;;
 502             *)  cache_file_option="--cache-file=${cache_file}" ;;
 503             esac
 504             srcdiroption="--srcdir=${srcdir}"
 505             case "${build_alias}" in
 506             "") buildopt= ;;
 507             *)  buildopt="--build=${build_alias}" ;;
 508             esac
 509             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 510                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 511                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 512                 ${srcdiroption} \
 513                 ${program_prefixoption} ${program_suffixoption} \
 514                 ${program_transform_nameoption} ${site_option} \
 515                 ${withoptions} ${withoutoptions} \
 516                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 517                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 518           else
 519             echo '***' There is no configure script present though. 1>&2
 520           fi
 521         fi
 522         exit 1
 523         ;;
 524 *) ;;
 525 esac
 526
 527 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 528 "")
 529         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 530         exit 1
 531         ;;
 532 *) ;;
 533 esac
 534
 535 case "${TMPDIR}" in
 536 "") TMPDIR=/tmp ; export TMPDIR ;;
 537 *) ;;
 538 esac
 539
 540 # keep this filename short for &%*%$*# 14 char file names
 541 tmpfile=${TMPDIR}/cONf$$
 542 # Note that under many versions of sh a trap handler for 0 will *override* any
 543 # exit status you explicitly specify!  At this point, the only non-error exit
 544 # is at the end of the script; these actions are duplicated there, minus
 545 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 546 # trap handler, or you'll lose.
 547 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 548
 549 # split ${srcdir}/configure.in into common, per-host, per-target,
 550 # and post-target parts.  Post-target is optional.
 551 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 552 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 553 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 554   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 555   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 556 else
 557   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 558   echo >${tmpfile}.pos
 559 fi
 560
 561 ### do common part of configure.in
 562
 563 . ${tmpfile}.com
 564
 565 # some sanity checks on configure.in
 566 case "${srctrigger}" in
 567 "")
 568         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 569         exit 1
 570         ;;
 571 *) ;;
 572 esac
 573
 574 case "${build_alias}" in
 575 "")
 576         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 577             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 578             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 579             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 580             build=${build_cpu}-${build_vendor}-${build_os}
 581             build_alias=${host_alias}
 582         fi
 583         ;;
 584 *)
 585         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 586             buildopt="--build=${build_alias}"
 587             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 588             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 589             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 590             build=${build_cpu}-${build_vendor}-${build_os}
 591         else
 592             echo "Unrecognized build system name ${build_alias}." 1>&2
 593             exit 1
 594         fi
 595         ;;
 596 esac
 597
 598 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 599     true
 600 else
 601     echo "Unrecognized host system name ${host_alias}." 1>&2
 602     exit 1
 603 fi
 604 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 605 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 606 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 607 host=${host_cpu}-${host_vendor}-${host_os}
 608
 609 . ${tmpfile}.hst
 610
 611 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 612     true
 613 else
 614     echo "Unrecognized target system name ${target_alias}." 1>&2
 615     exit 1
 616 fi
 617 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 618 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 619 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 620 target=${target_cpu}-${target_vendor}-${target_os}
 621
 622 . ${tmpfile}.tgt
 623
 624 # Find the source files, if location was not specified.
 625 case "${srcdir}" in
 626 "")
 627         srcdirdefaulted=1
 628         srcdir=.
 629         if [ ! -r ${srctrigger} ] ; then
 630                 srcdir=..
 631         fi
 632         ;;
 633 *) ;;
 634 esac
 635
 636 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 637         case "${srcdirdefaulted}" in
 638         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 639         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 640         esac
 641
 642         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 643         exit 1
 644 fi
 645
 646 # Some systems (e.g., one of the i386-aix systems the gas testers are
 647 # using) don't handle "\$" correctly, so don't use it here.
 648 tooldir='$(exec_prefix)'/${target_alias}
 649
 650 if [ "${host_alias}" != "${target_alias}" ] ; then
 651     if [ "${program_prefixoption}" = "" ] ; then
 652         if [ "${program_suffixoption}" = "" ] ; then
 653             if [ "${program_transform_nameoption}" = "" ] ; then
 654                 program_prefix=${target_alias}- ;
 655             fi
 656         fi
 657     fi
 658 fi
 659
 660 # Merge program_prefix and program_suffix onto program_transform_name.
 661 # (program_suffix used to use $, but it's hard to preserve $ through both
 662 # make and sh.)
 663 if [ "${program_suffix}" != "" ] ; then
 664     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 665 fi
 666
 667 if [ "${program_prefix}" != "" ] ; then
 668     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 669 fi
 670
 671 # If CC and CXX are not set in the environment, and the Makefile
 672 # exists, try to extract them from it.  This is to handle running
 673 # ./config.status by hand.
 674 if [ -z "${CC}" -a -r Makefile ]; then
 675   sed -n -e ':loop
 676 /\\$/ N
 677 s/\\\n//g
 678 t loop
 679 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 680   CC=`tail -1 Makefile.cc`
 681   rm -f Makefile.cc
 682 fi
 683
 684 if [ -z "${CXX}" -a -r Makefile ]; then
 685   sed -n -e ':loop
 686 /\\$/ N
 687 s/\\\n//g
 688 t loop
 689 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 690   CXX=`tail -1 Makefile.cc`
 691   rm -f Makefile.cc
 692 fi
 693
 694 # Generate a default definition for YACC.  This is used if the makefile can't
 695 # locate bison or byacc in objdir.
 696
 697 for prog in 'bison -y' byacc yacc
 698 do
 699   set dummy $prog; tmp=$2
 700   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 701   for dir in $PATH; do
 702     test -z "$dir" && dir=.
 703     if test -f $dir/$tmp; then
 704       DEFAULT_YACC="$prog"
 705       break
 706     fi
 707   done
 708   IFS="$save_ifs"
 709
 710   test -n "$DEFAULT_YACC" && break
 711 done
 712
 713 # Generate a default definition for LEX.  This is used if the makefile can't
 714 # locate flex in objdir.
 715
 716 for prog in flex lex
 717 do
 718   set dummy $prog; tmp=$2
 719   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 720   for dir in $PATH; do
 721     test -z "$dir" && dir=.
 722     if test -f $dir/$tmp; then
 723       DEFAULT_LEX="$prog"
 724       break
 725     fi
 726   done
 727   IFS="$save_ifs"
 728
 729   test -n "$DEFAULT_LEX" && break
 730 done
 731
 732 if [ "${build}" != "${host}" ]; then
 733   # If we are doing a Canadian Cross, in which the host and build systems
 734   # are not the same, we set reasonable default values for the tools.
 735
 736   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 737   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 738   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 739   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 740   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 741
 742   for var in ${tools}; do
 743     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
 744       sed -n -e ':loop
 745 /\\$/ N
 746 s/\\\n//g
 747 t loop
 748 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 749         < Makefile > Makefile.v
 750       t=`tail -1 Makefile.v`
 751       if [ -n "${t}" ]; then
 752         eval "${var}='${t}'"
 753       fi
 754       rm -f Makefile.v
 755     fi
 756   done
 757
 758   AR=${AR-${host_alias}-ar}
 759   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 760   AS=${AS-${host_alias}-as}
 761   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 762   CC=${CC-${host_alias}-gcc}
 763   CXX=${CXX-${host_alias}-c++}
 764   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 765   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 766   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 767   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 768   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 769   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 770   HOST_PREFIX=${build_alias}-
 771   HOST_PREFIX_1=${build_alias}-
 772   LD=${LD-${host_alias}-ld}
 773   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 774   MAKEINFO=${MAKEINFO-makeinfo}
 775   NM=${NM-${host_alias}-nm}
 776   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 777   RANLIB=${RANLIB-${host_alias}-ranlib}
 778   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 779
 780   if [ -z "${BISON}" ]; then
 781     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 782     for dir in $PATH; do
 783       test -z "$dir" && dir=.
 784       if test -f $dir/byacc; then
 785         BISON=byacc
 786         break
 787       fi
 788       if test -f $dir/bison; then
 789         BISON=bison
 790         break
 791       fi
 792       if test -f $dir/yacc; then
 793         BISON=yacc
 794         break
 795       fi
 796     done
 797     IFS="$save_ifs"
 798     BISON=${BISON-bison}
 799   fi
 800
 801   if [ -z "${LEX}" ]; then
 802     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 803     for dir in $PATH; do
 804       test -z "$dir" && dir=.
 805       if test -f $dir/flex; then
 806         LEX=flex
 807         break
 808       fi
 809       if test -f $dir/lex; then
 810         LEX=lex
 811         break
 812       fi
 813     done
 814     IFS="$save_ifs"
 815     LEX=${LEX-flex}
 816   fi
 817
 818   # Export variables which autoconf might try to set.
 819   export AS
 820   export AR
 821   export CC_FOR_BUILD
 822   export DLLTOOL
 823   export LD
 824   export NM
 825   export RANLIB
 826 else
 827   # If CC is still not set, try to get gcc.
 828   if [ -z "${CC}" ]; then
 829     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 830     for dir in $PATH; do
 831       test -z "$dir" && dir=.
 832       if test -f $dir/gcc; then
 833         CC="gcc -O2"
 834         break
 835       fi
 836     done
 837     IFS="$save_ifs"
 838     CC=${CC-cc}
 839   fi
 840
 841   CXX=${CXX-"c++"}
 842 fi
 843
 844 export CC
 845 export CXX
 846
 847 case "$host" in
 848         *go32*)
 849             enable_gdbtk=no ;;
 850         *cygwin32*)
 851             enable_gdbtk=no ;;
 852 esac
 853
 854 # Determine whether gdb needs tk/tcl or not.
 855 if [ "$enable_gdbtk" != "no" ]; then
 856         GDB_TK="all-tcl all-tk"
 857 else
 858         GDB_TK=""
 859 fi
 860
 861 for subdir in . ${subdirs} ; do
 862
 863     # ${subdir} is relative path from . to the directory we're currently
 864     # configuring.
 865     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 866     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 867
 868     ### figure out what to do with srcdir
 869     case "${srcdir}" in
 870         ".")  # no -srcdir option.  We're building in place.
 871                 makesrcdir=. ;;
 872         /*) # absolute path
 873                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 874                 ;;
 875         *) # otherwise relative
 876                 case "${subdir}" in
 877                 .) makesrcdir=${srcdir} ;;
 878                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 879                 esac
 880                 ;;
 881     esac
 882
 883     if [ "${subdir}/" != "./" ] ; then
 884         Makefile=${subdir}/Makefile
 885     fi
 886
 887     if [ ! -d ${subdir} ] ; then
 888         if mkdir ${subdir} ; then
 889                 true
 890         else
 891                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 892                 exit 1
 893         fi
 894     fi
 895
 896     case "${removing}" in
 897     "")
 898         case "${subdir}" in
 899         .) ;;
 900         *) eval echo Building in ${subdir} ${redirect} ;;
 901         esac
 902
 903         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 904         # Set up the list of links to be made.
 905         # ${links} is the list of link names, and ${files} is the list of names to link to.
 906
 907         # Make the links.
 908         configlinks="${links}"
 909         if [ -r ${subdir}/config.status ] ; then
 910                 mv -f ${subdir}/config.status ${subdir}/config.back
 911         fi
 912         while [ -n "${files}" ] ; do
 913                 # set file to car of files, files to cdr of files
 914                 set ${files}; file=$1; shift; files=$*
 915                 set ${links}; link=$1; shift; links=$*
 916
 917                 if [ ! -r ${srcdir}/${file} ] ; then
 918                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 919                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 920                         exit 1
 921                 fi
 922
 923                 ${remove} -f ${link}
 924                 # Make a symlink if possible, otherwise try a hard link
 925                 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
 926                         true
 927                 else
 928                         # We need to re-remove the file because Lynx leaves a
 929                         # very strange directory there when it fails an NFS symlink.
 930                         ${remove} -r -f ${link}
 931                         ${hard_link} ${srcdir}/${file} ${link}
 932                 fi
 933                 if [ ! -r ${link} ] ; then
 934                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 935                         exit 1
 936                 fi
 937
 938                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 939         done
 940
 941         # Create a .gdbinit file which runs the one in srcdir
 942         # and tells GDB to look there for source files.
 943
 944         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 945                 case ${srcdir} in
 946                 .) ;;
 947                 *) cat > ${subdir}/.gdbinit <<EOF
 948 # ${NO_EDIT}
 949 dir ${makesrcdir}
 950 dir .
 951 source ${makesrcdir}/.gdbinit
 952 EOF
 953                         ;;
 954                 esac
 955         fi
 956
 957         # Install a makefile, and make it set VPATH
 958         # if necessary so that the sources are found.
 959         # Also change its value of srcdir.
 960         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 961         # been somewhat optimized and is perhaps a bit twisty.
 962
 963         # code is order so as to try to sed the smallest input files we know.
 964
 965         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 966         # package, target, host, and site.  so do these separately because I don't trust the
 967         #  order of sed -e expressions.
 968
 969         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 970
 971             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 972             rm -f ${subdir}/Makefile.tem
 973               case "${site}" in
 974               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 975               *)
 976                       site_makefile_frag=${srcdir}/config/ms-${site}
 977
 978                       if [ -f ${site_makefile_frag} ] ; then
 979                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 980                                       > ${subdir}/Makefile.tem
 981                       else
 982                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 983                               site_makefile_frag=
 984                       fi
 985                       ;;
 986             esac
 987             # working copy now in ${subdir}/Makefile.tem
 988
 989             # Conditionalize the makefile for this host.
 990             rm -f ${Makefile}
 991             case "${host_makefile_frag}" in
 992               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 993               *)
 994                       if [ ! -f ${host_makefile_frag} ] ; then
 995                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 996                       fi
 997                       if [ -f ${host_makefile_frag} ] ; then
 998                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 999                       else
1000                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1001                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1002                               mv ${subdir}/Makefile.tem ${Makefile}
1003                       fi
1004             esac
1005             # working copy now in ${Makefile}
1006
1007             # Conditionalize the makefile for this target.
1008             rm -f ${subdir}/Makefile.tem
1009             case "${target_makefile_frag}" in
1010               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1011               *)
1012                       if [ ! -f ${target_makefile_frag} ] ; then
1013                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1014                       fi
1015                       if [ -f ${target_makefile_frag} ] ; then
1016                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1017                       else
1018                               mv ${Makefile} ${subdir}/Makefile.tem
1019                               target_makefile_frag=
1020                       fi
1021                       ;;
1022             esac
1023             # real copy now in ${subdir}/Makefile.tem
1024
1025             # Conditionalize the makefile for this package.
1026             rm -f ${Makefile}
1027             case "${package_makefile_frag}" in
1028               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1029               *)
1030                       if [ ! -f ${package_makefile_frag} ] ; then
1031                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1032                       fi
1033                       if [ -f ${package_makefile_frag} ] ; then
1034                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1035                               rm -f ${subdir}/Makefile.tem
1036                       else
1037                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
1038                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1039                               mv ${subdir}/Makefile.tem ${Makefile}
1040                       fi
1041             esac
1042             # working copy now in ${Makefile}
1043
1044             mv ${Makefile} ${subdir}/Makefile.tem
1045
1046             # real copy now in ${subdir}/Makefile.tem
1047
1048             # prepend warning about editting, and a bunch of variables.
1049             rm -f ${Makefile}
1050             cat > ${Makefile} <<EOF
1051 # ${NO_EDIT}
1052 VPATH = ${makesrcdir}
1053 links = ${configlinks}
1054 host_alias = ${host_alias}
1055 host_cpu = ${host_cpu}
1056 host_vendor = ${host_vendor}
1057 host_os = ${host_os}
1058 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1059 target_alias = ${target_alias}
1060 target_cpu = ${target_cpu}
1061 target_vendor = ${target_vendor}
1062 target_os = ${target_os}
1063 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1064 EOF
1065             case "${build}" in
1066               "") ;;
1067               *)  cat >> ${Makefile} << EOF
1068 build_alias = ${build_alias}
1069 build_cpu = ${build_cpu}
1070 build_vendor = ${build_vendor}
1071 build_os = ${build_os}
1072 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1073 EOF
1074             esac
1075
1076             case "${package_makefile_frag}" in
1077               "") ;;
1078               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1079               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1080             esac
1081
1082             case "${target_makefile_frag}" in
1083               "") ;;
1084               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1085               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1086             esac
1087
1088             case "${host_makefile_frag}" in
1089               "") ;;
1090               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1091               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1092             esac
1093
1094             if [ "${site_makefile_frag}" != "" ] ; then
1095                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1096             fi
1097
1098             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1099             # remove any form feeds.
1100             if [ -z "${subdirs}" ]; then
1101                 rm -f ${subdir}/Makefile.tem2
1102                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1103                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1104                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
1105                 rm -f ${subdir}/Makefile.tem
1106                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
1107             fi
1108             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1109                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1110                     -e "/^CC[   ]*=/{
1111                         :loop1
1112                         /\\\\$/ N
1113                         s/\\\\\\n//g
1114                         t loop1
1115                         s%^CC[  ]*=.*$%CC = ${CC}%
1116                         }" \
1117                     -e "/^CXX[  ]*=/{
1118                         :loop2
1119                         /\\\\$/ N
1120                         s/\\\\\\n//g
1121                         t loop2
1122                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1123                         }" \
1124                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
1125                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1126                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1127                     -e "s/\f//" \
1128                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1129                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1130                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1131                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1132                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1133                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1134                     ${subdir}/Makefile.tem >> ${Makefile}
1135
1136             # If this is a Canadian Cross, preset the values of many more
1137             # tools.
1138             if [ "${build}" != "${host}" ]; then
1139                 for var in ${tools}; do
1140                     val=`eval 'echo $'"${var}"`
1141                     sed -e "/^${var}[   ]*=/{
1142                            :loop1
1143                            /\\\\$/ N
1144                            /\\\\$/ b loop1
1145                            s/\\\\\\n//g
1146                            s%^${var}[   ]*=.*$%${var} = ${val}%
1147                            }" ${Makefile} > ${Makefile}.tem
1148                     mv -f ${Makefile}.tem ${Makefile}
1149                 done
1150             fi
1151
1152             # final copy now in ${Makefile}
1153
1154         else
1155            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1156         fi
1157
1158         rm -f ${subdir}/Makefile.tem
1159
1160         case "${host_makefile_frag}" in
1161         "") using= ;;
1162         *) using="and \"${host_makefile_frag}\"" ;;
1163         esac
1164
1165         case "${target_makefile_frag}" in
1166         "") ;;
1167         *) using="${using} and \"${target_makefile_frag}\"" ;;
1168         esac
1169
1170         case "${site_makefile_frag}" in
1171         "") ;;
1172         *) using="${using} and \"${site_makefile_frag}\"" ;;
1173         esac
1174
1175         newusing=`echo "${using}" | sed 's/and/using/'`
1176         using=${newusing}
1177         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1178
1179         . ${tmpfile}.pos
1180
1181         # describe the chosen configuration in config.status.
1182         # Make that file a shellscript which will reestablish
1183         # the same configuration.  Used in Makefiles to rebuild
1184         # Makefiles.
1185
1186         case "${norecursion}" in
1187         "") arguments="${arguments} --norecursion" ;;
1188         *) ;;
1189         esac
1190
1191         if [ ${subdir} = . ] ; then
1192             echo "#!/bin/sh
1193 # ${NO_EDIT}
1194 # This directory was configured as follows:
1195 ${progname}" ${arguments}  "
1196 # ${using}" > ${subdir}/config.new
1197         else
1198             echo "#!/bin/sh
1199 # ${NO_EDIT}
1200 # This directory was configured as follows:
1201 cd ${invsubdir}
1202 ${progname}" ${arguments}  "
1203 # ${using}" > ${subdir}/config.new
1204         fi
1205         chmod a+x ${subdir}/config.new
1206         if [ -r ${subdir}/config.back ] ; then
1207                 mv -f ${subdir}/config.back ${subdir}/config.status
1208         fi
1209         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1210         ;;
1211
1212     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1213     esac
1214 done
1215
1216 # If there are subdirectories, then recur.
1217 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1218         for configdir in ${configdirs} ; do
1219
1220                 if [ -d ${srcdir}/${configdir} ] ; then
1221                         eval echo Configuring ${configdir}... ${redirect}
1222                         case "${srcdir}" in
1223                         ".") ;;
1224                         *)
1225                                 if [ ! -d ./${configdir} ] ; then
1226                                         if mkdir ./${configdir} ; then
1227                                                 true
1228                                         else
1229                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1230                                                 exit 1
1231                                         fi
1232                                 fi
1233                                 ;;
1234                         esac
1235
1236                         POPDIR=${PWD=`pwd`}
1237                         cd ${configdir}
1238
1239 ### figure out what to do with srcdir
1240                         case "${srcdir}" in
1241                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1242                         /*) # absolute path
1243                                 newsrcdir=${srcdir}/${configdir}
1244                                 srcdiroption="--srcdir=${newsrcdir}"
1245                                 ;;
1246                         ?:*) # absolute path on win32
1247                                 newsrcdir=${srcdir}/${configdir}
1248                                 srcdiroption="--srcdir=${newsrcdir}"
1249                                 ;;
1250                         *) # otherwise relative
1251                                 newsrcdir=../${srcdir}/${configdir}
1252                                 srcdiroption="--srcdir=${newsrcdir}"
1253                                 ;;
1254                         esac
1255
1256                         # Handle --cache-file=../XXX
1257                         case "${cache_file}" in
1258                         "") # empty
1259                                 ;;
1260                         /*) # absolute path
1261                                 cache_file_option="--cache-file=${cache_file}"
1262                                 ;;
1263                         ?:*) # absolute path on win32
1264                                 cache_file_option="--cache-file=${cache_file}"
1265                                 ;;
1266                         *) # relative path
1267                                 cache_file_option="--cache-file=../${cache_file}"
1268                                 ;;
1269                         esac
1270
1271 ### check for guested configure, otherwise fix possibly relative progname
1272                         if [ -f ${newsrcdir}/configure ] ; then
1273                                 recprog=${newsrcdir}/configure
1274                         elif [ -f ${newsrcdir}/configure.in ] ; then
1275                                 case "${progname}" in
1276                                 /*)     recprog=${progname} ;;
1277                                 ?:*)    recprog=${progname} ;;
1278                                 *)      recprog=../${progname} ;;
1279                                 esac
1280                         else
1281                                 eval echo No configuration information in ${configdir} ${redirect}
1282                                 recprog=
1283                         fi
1284
1285 ### The recursion line is here.
1286                         if [ ! -z "${recprog}" ] ; then
1287                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1288                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1289                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1290                                         true
1291                                 else
1292                                         echo Configure in `pwd` failed, exiting. 1>&2
1293                                         exit 1
1294                                 fi
1295                         fi
1296
1297                         cd ${POPDIR}
1298                 fi
1299         done
1300 fi
1301
1302 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1303 # and reset the trap handler.
1304 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1305 trap 0
1306
1307 exit 0
1308
1309 #
1310 # Local Variables:
1311 # fill-column: 131
1312 # End:
1313 #
1314
1315 # end of configure