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                 ;;
 141 # These options have mandatory values.  Since we didn't find an = sign,
 142 # the value must be in the next argument
 143         --b* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-*)
 144                 optarg=$1
 145                 shift
 146                 ;;
 147         esac
 148
 149 # Now, process the options
 150         case $option in
 151
 152         --build* | --b*)
 153                 case "$build_alias" in
 154                 "") build_alias=$optarg ;;
 155                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 156                    fatal=yes
 157                    ;;
 158                 esac
 159                 ;;
 160         --cache*)
 161                 cache_file=$optarg
 162                 ;;
 163         --disable-*)
 164                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 165                 eval $enableopt=no
 166                 disableoptions="$disableoptions $option"
 167                 ;;
 168         --enable-*)
 169                 case "$option" in
 170                 *=*)    ;;
 171                 *)      optarg=yes ;;
 172                 esac
 173
 174                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 175                 eval $enableopt="$optarg"
 176                 enableoptions="$enableoptions $option"
 177                 ;;
 178         --exec-prefix* | --ex*)
 179                 exec_prefix=$optarg
 180                 exec_prefixoption="--exec-prefix=$optarg"
 181                 ;;
 182         --gas | --g*)
 183                 gas=yes
 184                 ;;
 185         --help | --he*)
 186                 fatal=yes
 187                 ;;
 188         --host* | --ho*)
 189                 case $host_alias in
 190                 NOHOST) host_alias=$optarg ;;
 191                 *) echo '***' Can only configure for one host at a time.  1>&2
 192                    fatal=yes
 193                    ;;
 194                 esac
 195                 ;;
 196         --nfp | --nf*)
 197                 floating_point=no
 198                 ;;
 199         --norecursion | --no*)
 200                 norecursion=yes
 201                 ;;
 202         --prefix* | --pre*)
 203                 prefix=$optarg
 204                 prefixoption="--prefix=$optarg"
 205                 ;;
 206         --program-prefix* | --program-p*)
 207                 program_prefix=$optarg
 208                 program_prefixoption="--program-prefix=$optarg"
 209                 ;;
 210         --program-suffix* | --program-s*)
 211                 program_suffix=$optarg
 212                 program_suffixoption="--program-suffix=$optarg"
 213                 ;;
 214         --program-transform-name* | --program-t*)
 215                 # Double any backslashes or dollar signs in the argument
 216                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 217                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 218                 ;;
 219         --rm)
 220                 removing=--rm
 221                 ;;
 222         --silent | --sil* | --quiet | --q*)
 223                 redirect=">/dev/null"
 224                 verbose=--silent
 225                 ;;
 226         --site* | --sit*)
 227                 site=$optarg
 228                 site_option="--site=$optarg"
 229                 ;;
 230         --srcdir*/ | --sr*/)
 231                 # Remove trailing slashes.  Otherwise, when the file name gets
 232                 # bolted into an object file as debug info, it has two slashes
 233                 # in it.  Ordinarily this is ok, but emacs takes double slash
 234                 # to mean "forget the first part".
 235                 srcdir=`echo $optarg | sed -e 's:/$::'`
 236                 ;;
 237         --srcdir* | --sr*)
 238                 srcdir=$optarg
 239                 ;;
 240         --target* | --ta*)
 241                 case $target_alias in
 242                 NOTARGET) target_alias=$optarg ;;
 243                 *) echo '***' Can only configure for one target at a time.  1>&2
 244                    fatal=yes
 245                    ;;
 246                 esac
 247                 ;;
 248         --tmpdir* | --tm*)
 249                 TMPDIR=$optarg
 250                 tmpdiroption="--tmpdir=$optarg"
 251                 ;;
 252         --verbose | --v | --verb*)
 253                 redirect=
 254                 verbose=--verbose
 255                 ;;
 256         --version | --V | --vers*)
 257                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 258                 exit 0
 259                 ;;
 260         --with-*)
 261                 case "$option" in
 262                 *=*)    ;;
 263                 *)      optarg=yes ;;
 264                 esac
 265
 266                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 267                 eval $withopt="$optarg"
 268                 withoptions="$withoptions $option"
 269                 ;;
 270         --without-*)
 271                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 272                 eval $withopt=no
 273                 withoutoptions="$withoutoptions $option"
 274                 ;;
 275         --x)    with_x=yes
 276                 withoptions="$withoptions --with-x"
 277                 ;;
 278         --x-i* | --x-l*) other_options="$other_options $orig_option"
 279                 ;;
 280         --*)
 281                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 282                 exit 1
 283                 ;;
 284         *)
 285                 case $undefs in
 286                 NOUNDEFS) undefs=$option ;;
 287                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 288                    fatal=yes
 289                    ;;
 290                 esac
 291                 ;;
 292         esac
 293 done
 294
 295 # process host and target
 296
 297 # Do some error checking and defaulting for the host and target type.
 298 # The inputs are:
 299 #    configure --host=HOST --target=TARGET UNDEFS
 300 #
 301 # The rules are:
 302 # 1. You aren't allowed to specify --host, --target, and undefs at the
 303 #    same time.
 304 # 2. Host defaults to undefs.
 305 # 3. If undefs is not specified, then host defaults to the current host,
 306 #    as determined by config.guess.
 307 # 4. Target defaults to undefs.
 308 # 5. If undefs is not specified, then target defaults to host.
 309
 310 case "${fatal}" in
 311 "")
 312         # Make sure that host, target & undefs aren't all specified at the
 313         # same time.
 314         case $host_alias---$target_alias---$undefs in
 315         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 316                 ;;
 317         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 318            fatal=yes
 319            break 2
 320                 ;;
 321         esac
 322
 323         # Now, do defaulting for host.
 324         case $host_alias in
 325         NOHOST)
 326                 case $undefs in
 327                 NOUNDEFS)
 328                         # Neither --host option nor undefs were present.
 329                         # Call config.guess.
 330                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 331                         if host_alias=`${guesssys}`
 332                         then
 333                                 # If the string we are going to use for
 334                                 # the target is a prefix of the string
 335                                 # we just guessed for the host, then
 336                                 # assume we are running native, and force
 337                                 # the same string for both target and host.
 338                                 case $target_alias in
 339                                 NOTARGET) ;;
 340                                 *)
 341                                         if expr $host_alias : $target_alias >/dev/null
 342                                         then
 343                                                 host_alias=$target_alias
 344                                         fi
 345                                         ;;
 346                                 esac
 347                                 echo "Configuring for a ${host_alias} host." 1>&2
 348                                 arguments="--host=$host_alias $arguments"
 349                         else
 350                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 351                                 fatal=yes
 352                         fi
 353                         ;;
 354                 *)
 355                         host_alias=$undefs
 356                         ;;
 357                 esac
 358         esac
 359
 360         # Do defaulting for target.  If --target option isn't present, default
 361         # to undefs.  If undefs isn't present, default to host.
 362         case $target_alias in
 363         NOTARGET)
 364                 case $undefs in
 365                 NOUNDEFS)
 366                         target_alias=$host_alias
 367                         ;;
 368                 *)
 369                         target_alias=$undefs
 370                         ;;
 371                 esac
 372         esac
 373         ;;
 374 *) ;;
 375 esac
 376
 377 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 378         exec 1>&2
 379         echo Usage: configure [OPTIONS] [HOST]
 380         echo
 381         echo Options: [defaults in brackets]
 382         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 383         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 384         echo ' --help                    print this message [normal config]'
 385         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 386         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 387         echo ' --norecursion             configure this directory only [recurse]'
 388         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 389         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 390         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 391         echo ' --site=SITE               configure with site-specific makefile for SITE'
 392         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 393         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 394         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 395         echo ' --nfp                     configure for software floating point [hard float]'
 396         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 397         echo ' --without-FOO             package FOO is NOT available'
 398         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 399         echo ' --disable-FOO             do not include feature FOO'
 400         echo
 401         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 402         echo
 403         if [ -r config.status ] ; then
 404                 cat config.status
 405         fi
 406
 407         exit 1
 408 fi
 409
 410 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 411 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 412
 413 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 414 if ${configsub} sun4 >/dev/null 2>&1 ; then
 415         true
 416 else
 417         echo '***' cannot find config.sub.  1>&2
 418         exit 1
 419 fi
 420
 421 touch config.junk
 422 if ${moveifchange} config.junk config.trash ; then
 423         true
 424 else
 425         echo '***' cannot find move-if-change.  1>&2
 426         exit 1
 427 fi
 428 rm -f config.junk config.trash
 429
 430 case "${srcdir}" in
 431 "")
 432         if [ -r configure.in ] ; then
 433                 srcdir=.
 434         else
 435                 if [ -r ${progname}.in ] ; then
 436                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 437                 else
 438                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 439                         exit 1
 440                 fi
 441         fi
 442         ;;
 443 *) ;;
 444 esac
 445
 446 ### warn about some conflicting configurations.
 447
 448 case "${srcdir}" in
 449 ".") ;;
 450 *)
 451         if [ -f ${srcdir}/config.status ] ; then
 452                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 453                 exit 1
 454         fi
 455 esac
 456
 457 # default exec_prefix
 458 case "${exec_prefixoption}" in
 459 "") exec_prefix="\$(prefix)" ;;
 460 *) ;;
 461 esac
 462
 463 ### break up ${srcdir}/configure.in.
 464 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 465 "")
 466         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 467         # Check for a directory that's been converted to use autoconf since
 468         # it was last configured.
 469         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 470           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 471           if [ -r ${srcdir}/configure ] ; then
 472             echo '***' Running the local configure script. 1>&2
 473             case "${cache_file}" in
 474             "") cache_file_option= ;;
 475             *)  cache_file_option="--cache-file=${cache_file}" ;;
 476             esac
 477             srcdiroption="--srcdir=${srcdir}"
 478             case "${build_alias}" in
 479             "") buildopt= ;;
 480             *)  buildopt="--build=${build_alias}" ;;
 481             esac
 482             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 483                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 484                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 485                 ${srcdiroption} \
 486                 ${program_prefixoption} ${program_suffixoption} \
 487                 ${program_transform_nameoption} ${site_option} \
 488                 ${withoptions} ${withoutoptions} \
 489                 ${enableoptions} ${disableoptions} \
 490                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 491           else
 492             echo '***' There is no configure script present though. 1>&2
 493           fi
 494         fi
 495         exit 1
 496         ;;
 497 *) ;;
 498 esac
 499
 500 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 501 "")
 502         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 503         exit 1
 504         ;;
 505 *) ;;
 506 esac
 507
 508 case "${TMPDIR}" in
 509 "") TMPDIR=/tmp ; export TMPDIR ;;
 510 *) ;;
 511 esac
 512
 513 # keep this filename short for &%*%$*# 14 char file names
 514 tmpfile=${TMPDIR}/cONf$$
 515 # Note that under many versions of sh a trap handler for 0 will *override* any
 516 # exit status you explicitly specify!  At this point, the only non-error exit
 517 # is at the end of the script; these actions are duplicated there, minus
 518 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 519 # trap handler, or you'll lose.
 520 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 521
 522 # split ${srcdir}/configure.in into common, per-host, per-target,
 523 # and post-target parts.  Post-target is optional.
 524 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 525 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 526 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 527   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 528   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 529 else
 530   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 531   echo >${tmpfile}.pos
 532 fi
 533
 534 ### do common part of configure.in
 535
 536 . ${tmpfile}.com
 537
 538 # some sanity checks on configure.in
 539 case "${srctrigger}" in
 540 "")
 541         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 542         exit 1
 543         ;;
 544 *) ;;
 545 esac
 546
 547 case "${build_alias}" in
 548 "")
 549         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 550             build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 551             build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 552             build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 553             build=${host_cpu}-${host_vendor}-${host_os}
 554             build_alias=${host_alias}
 555         fi
 556         ;;
 557 *)
 558         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 559             buildopt="--build=${build_alias}"
 560             build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 561             build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 562             build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 563             build=${build_cpu}-${build_vendor}-${build_os}
 564         else
 565             echo "Unrecognized build system name ${build_alias}." 1>&2
 566             exit 1
 567         fi
 568         ;;
 569 esac
 570
 571 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 572     true
 573 else
 574     echo "Unrecognized host system name ${host_alias}." 1>&2
 575     exit 1
 576 fi
 577 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 578 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 579 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 580 host=${host_cpu}-${host_vendor}-${host_os}
 581
 582 . ${tmpfile}.hst
 583
 584 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 585     true
 586 else
 587     echo "Unrecognized target system name ${target_alias}." 1>&2
 588     exit 1
 589 fi
 590 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 591 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 592 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 593 target=${target_cpu}-${target_vendor}-${target_os}
 594
 595 . ${tmpfile}.tgt
 596
 597 # Find the source files, if location was not specified.
 598 case "${srcdir}" in
 599 "")
 600         srcdirdefaulted=1
 601         srcdir=.
 602         if [ ! -r ${srctrigger} ] ; then
 603                 srcdir=..
 604         fi
 605         ;;
 606 *) ;;
 607 esac
 608
 609 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 610         case "${srcdirdefaulted}" in
 611         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 612         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 613         esac
 614
 615         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 616         exit 1
 617 fi
 618
 619 # Some systems (e.g., one of the i386-aix systems the gas testers are
 620 # using) don't handle "\$" correctly, so don't use it here.
 621 tooldir='$(exec_prefix)'/${target_alias}
 622
 623 if [ "${host_alias}" != "${target_alias}" ] ; then
 624     if [ "${program_prefixoption}" = "" ] ; then
 625         if [ "${program_suffixoption}" = "" ] ; then
 626             if [ "${program_transform_nameoption}" = "" ] ; then
 627                 program_prefix=${target_alias}- ;
 628             fi
 629         fi
 630     fi
 631 fi
 632
 633 # Merge program_prefix and program_suffix onto program_transform_name.
 634 # (program_suffix used to use $, but it's hard to preserve $ through both
 635 # make and sh.)
 636 if [ "${program_suffix}" != "" ] ; then
 637     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 638 fi
 639
 640 if [ "${program_prefix}" != "" ] ; then
 641     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 642 fi
 643
 644 # If CC and CXX are not set in the environment, and the Makefile
 645 # exists, try to extract them from it.  This is to handle running
 646 # ./config.status by hand.
 647 if [ -z "${CC}" -a -r Makefile ]; then
 648   sed -n -e ':loop
 649 /\\$/ N
 650 /\\$/ b loop
 651 s/\\\n//g
 652 /^CC[   ]*=/ s/CC[      ]*=\(.*\)/\1/p' < Makefile > Makefile.cc
 653   CC=`tail -1 Makefile.cc`
 654   rm -f Makefile.cc
 655 fi
 656
 657 if [ -z "${CXX}" -a -r Makefile ]; then
 658   sed -n -e ':loop
 659 /\\$/ N
 660 /\\$/ b loop
 661 s/\\\n//g
 662 /^CXX[  ]*=/ s/CXX[     ]*=\(.*\)/\1/p' < Makefile > Makefile.cc
 663   CXX=`tail -1 Makefile.cc`
 664   rm -f Makefile.cc
 665 fi
 666
 667 # If CC is still not set, try to get gcc.
 668 if [ -z "${CC}" ]; then
 669   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 670   for dir in $PATH; do
 671     test -z "$dir" && dir=.
 672     if test -f $dir/gcc; then
 673       CC="gcc"
 674       break
 675     fi
 676   done
 677   IFS="$save_ifs"
 678   CC=${CC-cc}
 679 fi
 680
 681 CXX=${CXX-"g++ -O"}
 682
 683 export CC
 684 export CXX
 685
 686 for subdir in . ${subdirs} ; do
 687
 688     # ${subdir} is relative path from . to the directory we're currently
 689     # configuring.
 690     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 691     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 692
 693     ### figure out what to do with srcdir
 694     case "${srcdir}" in
 695         ".")  # no -srcdir option.  We're building in place.
 696                 makesrcdir=. ;;
 697         /*) # absolute path
 698                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 699                 ;;
 700         *) # otherwise relative
 701                 case "${subdir}" in
 702                 .) makesrcdir=${srcdir} ;;
 703                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 704                 esac
 705                 ;;
 706     esac
 707
 708     if [ "${subdir}/" != "./" ] ; then
 709         Makefile=${subdir}/Makefile
 710     fi
 711
 712     if [ ! -d ${subdir} ] ; then
 713         if mkdir ${subdir} ; then
 714                 true
 715         else
 716                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 717                 exit 1
 718         fi
 719     fi
 720
 721     case "${removing}" in
 722     "")
 723         case "${subdir}" in
 724         .) ;;
 725         *) eval echo Building in ${subdir} ${redirect} ;;
 726         esac
 727
 728         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 729         # Set up the list of links to be made.
 730         # ${links} is the list of link names, and ${files} is the list of names to link to.
 731
 732         # Make the links.
 733         configlinks="${links}"
 734         if [ -r ${subdir}/config.status ] ; then
 735                 mv -f ${subdir}/config.status ${subdir}/config.back
 736         fi
 737         while [ -n "${files}" ] ; do
 738                 # set file to car of files, files to cdr of files
 739                 set ${files}; file=$1; shift; files=$*
 740                 set ${links}; link=$1; shift; links=$*
 741
 742                 if [ ! -r ${srcdir}/${file} ] ; then
 743                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 744                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 745                         exit 1
 746                 fi
 747
 748                 ${remove} -f ${link}
 749                 # Make a symlink if possible, otherwise try a hard link
 750                 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
 751                         true
 752                 else
 753                         # We need to re-remove the file because Lynx leaves a
 754                         # very strange directory there when it fails an NFS symlink.
 755                         ${remove} -r -f ${link}
 756                         ${hard_link} ${srcdir}/${file} ${link}
 757                 fi
 758                 if [ ! -r ${link} ] ; then
 759                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 760                         exit 1
 761                 fi
 762
 763                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 764         done
 765
 766         # Create a .gdbinit file which runs the one in srcdir
 767         # and tells GDB to look there for source files.
 768
 769         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 770                 case ${srcdir} in
 771                 .) ;;
 772                 *) cat > ${subdir}/.gdbinit <<EOF
 773 # ${NO_EDIT}
 774 dir ${makesrcdir}
 775 dir .
 776 source ${makesrcdir}/.gdbinit
 777 EOF
 778                         ;;
 779                 esac
 780         fi
 781
 782         # Install a makefile, and make it set VPATH
 783         # if necessary so that the sources are found.
 784         # Also change its value of srcdir.
 785         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 786         # been somewhat optimized and is perhaps a bit twisty.
 787
 788         # code is order so as to try to sed the smallest input files we know.
 789
 790         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 791         # package, target, host, and site.  so do these separately because I don't trust the
 792         #  order of sed -e expressions.
 793
 794         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 795
 796             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 797             rm -f ${subdir}/Makefile.tem
 798               case "${site}" in
 799               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 800               *)
 801                       site_makefile_frag=${srcdir}/config/ms-${site}
 802
 803                       if [ -f ${site_makefile_frag} ] ; then
 804                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 805                                       > ${subdir}/Makefile.tem
 806                       else
 807                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 808                               site_makefile_frag=
 809                       fi
 810                       ;;
 811             esac
 812             # working copy now in ${subdir}/Makefile.tem
 813
 814             # Conditionalize the makefile for this host.
 815             rm -f ${Makefile}
 816             case "${host_makefile_frag}" in
 817               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 818               *)
 819                       if [ ! -f ${host_makefile_frag} ] ; then
 820                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 821                       fi
 822                       if [ -f ${host_makefile_frag} ] ; then
 823                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 824                       else
 825                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 826                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 827                               mv ${subdir}/Makefile.tem ${Makefile}
 828                       fi
 829             esac
 830             # working copy now in ${Makefile}
 831
 832             # Conditionalize the makefile for this target.
 833             rm -f ${subdir}/Makefile.tem
 834             case "${target_makefile_frag}" in
 835               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 836               *)
 837                       if [ ! -f ${target_makefile_frag} ] ; then
 838                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 839                       fi
 840                       if [ -f ${target_makefile_frag} ] ; then
 841                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 842                       else
 843                               mv ${Makefile} ${subdir}/Makefile.tem
 844                               target_makefile_frag=
 845                       fi
 846                       ;;
 847             esac
 848             # real copy now in ${subdir}/Makefile.tem
 849
 850             # Conditionalize the makefile for this package.
 851             rm -f ${Makefile}
 852             case "${package_makefile_frag}" in
 853               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 854               *)
 855                       if [ ! -f ${package_makefile_frag} ] ; then
 856                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 857                       fi
 858                       if [ -f ${package_makefile_frag} ] ; then
 859                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 860                               rm -f ${subdir}/Makefile.tem
 861                       else
 862                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 863                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 864                               mv ${subdir}/Makefile.tem ${Makefile}
 865                       fi
 866             esac
 867             # working copy now in ${Makefile}
 868
 869             mv ${Makefile} ${subdir}/Makefile.tem
 870
 871             # real copy now in ${subdir}/Makefile.tem
 872
 873             # prepend warning about editting, and a bunch of variables.
 874             rm -f ${Makefile}
 875             cat > ${Makefile} <<EOF
 876 # ${NO_EDIT}
 877 VPATH = ${makesrcdir}
 878 links = ${configlinks}
 879 host_alias = ${host_alias}
 880 host_cpu = ${host_cpu}
 881 host_vendor = ${host_vendor}
 882 host_os = ${host_os}
 883 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 884 target_alias = ${target_alias}
 885 target_cpu = ${target_cpu}
 886 target_vendor = ${target_vendor}
 887 target_os = ${target_os}
 888 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 889 EOF
 890             case "${build}" in
 891               "") ;;
 892               *)  cat >> ${Makefile} << EOF
 893 build_alias = ${build_alias}
 894 build_cpu = ${build_cpu}
 895 build_vendor = ${build_vendor}
 896 build_os = ${build_os}
 897 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
 898 EOF
 899             esac
 900
 901             case "${package_makefile_frag}" in
 902               "") ;;
 903               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 904               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 905             esac
 906
 907             case "${target_makefile_frag}" in
 908               "") ;;
 909               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 910               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 911             esac
 912
 913             case "${host_makefile_frag}" in
 914               "") ;;
 915               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 916               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 917             esac
 918
 919             if [ "${site_makefile_frag}" != "" ] ; then
 920                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 921             fi
 922
 923             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 924             # remove any form feeds.
 925             if [ -z "${subdirs}" ]; then
 926                 rm -f ${subdir}/Makefile.tem2
 927                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 928                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 929                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 930                 rm -f ${subdir}/Makefile.tem
 931                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 932             fi
 933             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 934                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 935                     -e "/^CC[   ]*=/{
 936                         :loop1
 937                         /\\\\$/ N
 938                         /\\\\$/ b loop1
 939                         s/\\\\\\n//g
 940                         s%^CC[  ]*=.*$%CC = ${CC}%
 941                         }" \
 942                     -e "/^CXX[  ]*=/{
 943                         :loop2
 944                         /\\\\$/ N
 945                         /\\\\$/ b loop2
 946                         s/\\\\\\n//g
 947                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
 948                         }" \
 949                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 950                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 951                     -e "s/\f//" \
 952                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 953                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 954                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 955                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 956                     ${subdir}/Makefile.tem >> ${Makefile}
 957             # final copy now in ${Makefile}
 958
 959         else
 960            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 961         fi
 962
 963         rm -f ${subdir}/Makefile.tem
 964
 965         case "${host_makefile_frag}" in
 966         "") using= ;;
 967         *) using="and \"${host_makefile_frag}\"" ;;
 968         esac
 969
 970         case "${target_makefile_frag}" in
 971         "") ;;
 972         *) using="${using} and \"${target_makefile_frag}\"" ;;
 973         esac
 974
 975         case "${site_makefile_frag}" in
 976         "") ;;
 977         *) using="${using} and \"${site_makefile_frag}\"" ;;
 978         esac
 979
 980         newusing=`echo "${using}" | sed 's/and/using/'`
 981         using=${newusing}
 982         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 983
 984         . ${tmpfile}.pos
 985
 986         # describe the chosen configuration in config.status.
 987         # Make that file a shellscript which will reestablish
 988         # the same configuration.  Used in Makefiles to rebuild
 989         # Makefiles.
 990
 991         case "${norecursion}" in
 992         "") arguments="${arguments} --norecursion" ;;
 993         *) ;;
 994         esac
 995
 996         if [ ${subdir} = . ] ; then
 997             echo "#!/bin/sh
 998 # ${NO_EDIT}
 999 # This directory was configured as follows:
1000 ${progname}" ${arguments}  "
1001 # ${using}" > ${subdir}/config.new
1002         else
1003             echo "#!/bin/sh
1004 # ${NO_EDIT}
1005 # This directory was configured as follows:
1006 cd ${invsubdir}
1007 ${progname}" ${arguments}  "
1008 # ${using}" > ${subdir}/config.new
1009         fi
1010         chmod a+x ${subdir}/config.new
1011         if [ -r ${subdir}/config.back ] ; then
1012                 mv -f ${subdir}/config.back ${subdir}/config.status
1013         fi
1014         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1015         ;;
1016
1017     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1018     esac
1019 done
1020
1021 # If there are subdirectories, then recur.
1022 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1023         for configdir in ${configdirs} ; do
1024
1025                 if [ -d ${srcdir}/${configdir} ] ; then
1026                         eval echo Configuring ${configdir}... ${redirect}
1027                         case "${srcdir}" in
1028                         ".") ;;
1029                         *)
1030                                 if [ ! -d ./${configdir} ] ; then
1031                                         if mkdir ./${configdir} ; then
1032                                                 true
1033                                         else
1034                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1035                                                 exit 1
1036                                         fi
1037                                 fi
1038                                 ;;
1039                         esac
1040
1041                         POPDIR=${PWD=`pwd`}
1042                         cd ${configdir}
1043
1044 ### figure out what to do with srcdir
1045                         case "${srcdir}" in
1046                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1047                         /*) # absolute path
1048                                 newsrcdir=${srcdir}/${configdir}
1049                                 srcdiroption="--srcdir=${newsrcdir}"
1050                                 ;;
1051                         *) # otherwise relative
1052                                 newsrcdir=../${srcdir}/${configdir}
1053                                 srcdiroption="--srcdir=${newsrcdir}"
1054                                 ;;
1055                         esac
1056
1057                         # Handle --cache-file=../XXX
1058                         case "${cache_file}" in
1059                         "") # empty
1060                                 ;;
1061                         /*) # absolute path
1062                                 cache_file_option="--cache-file=${cache_file}"
1063                                 ;;
1064                         *) # relative path
1065                                 cache_file_option="--cache-file=../${cache_file}"
1066                                 ;;
1067                         esac
1068
1069 ### check for guested configure, otherwise fix possibly relative progname
1070                         if [ -f ${newsrcdir}/configure ] ; then
1071                                 recprog=${newsrcdir}/configure
1072                         elif [ -f ${newsrcdir}/configure.in ] ; then
1073                                 case "${progname}" in
1074                                 /*)     recprog=${progname} ;;
1075                                 *)      recprog=../${progname} ;;
1076                                 esac
1077                         else
1078                                 eval echo No configuration information in ${configdir} ${redirect}
1079                                 recprog=
1080                         fi
1081
1082 ### The recursion line is here.
1083                         if [ ! -z "${recprog}" ] ; then
1084                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1085                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1086                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1087                                         true
1088                                 else
1089                                         echo Configure in `pwd` failed, exiting. 1>&2
1090                                         exit 1
1091                                 fi
1092                         fi
1093
1094                         cd ${POPDIR}
1095                 fi
1096         done
1097 fi
1098
1099 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1100 # and reset the trap handler.
1101 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1102 trap 0
1103
1104 exit 0
1105
1106 #
1107 # Local Variables:
1108 # fill-column: 131
1109 # End:
1110 #
1111
1112 # end of configure