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