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., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22 # Please report any problems running this configure script to
  23 # configure@cygnus.com
  24 # Please do not send reports about other problems to this address.  See
  25 # gdb/README, gas/README, etc., for info on where and how to report
  26 # problems about particular tools.
  27
  28 # This file was written by K. Richard Pixley.
  29
  30 #
  31 # Shell script to create proper links to machine-dependent files in
  32 # preparation for compilation.
  33 #
  34 # If configure succeeds, it leaves its status in config.status.
  35 # If configure fails after disturbing the status quo,
  36 #       config.status is removed.
  37 #
  38
  39 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  40
  41 remove=rm
  42 hard_link=ln
  43 symbolic_link='ln -s'
  44
  45 #for Test
  46 #remove="echo rm"
  47 #hard_link="echo ln"
  48 #symbolic_link="echo ln -s"
  49
  50 # clear some things potentially inherited from environment.
  51
  52 Makefile=Makefile
  53 Makefile_in=Makefile.in
  54 arguments=$*
  55 build_alias=
  56 configdirs=
  57 exec_prefix=
  58 exec_prefixoption=
  59 fatal=
  60 floating_point=default
  61 gas=default
  62 host_alias=NOHOST
  63 host_makefile_frag=
  64 moveifchange=
  65 norecursion=
  66 other_options=
  67 package_makefile_frag=
  68 prefix=/usr/local
  69 progname=
  70 program_prefix=
  71 program_prefixoption=
  72 program_suffix=
  73 program_suffixoption=
  74 program_transform_name=
  75 program_transform_nameoption=
  76 redirect=">/dev/null"
  77 removing=
  78 site=
  79 site_makefile_frag=
  80 site_option=
  81 srcdir=
  82 srctrigger=
  83 subdirs=
  84 target_alias=NOTARGET
  85 target_makefile_frag=
  86 undefs=NOUNDEFS
  87 version="$Revision$"
  88 x11=default
  89
  90 ### we might need to use some other shell than /bin/sh for running subshells
  91 #
  92 config_shell=${CONFIG_SHELL-/bin/sh}
  93
  94 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  95
  96 ## this is a little touchy and won't always work, but...
  97 ##
  98 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  99 ## must) be used as is.
 100 ##
 101 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 102 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 103 ##
 104
 105 progname=$0
 106 # if PWD already has a value, it is probably wrong.
 107 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 108
 109 case "${progname}" in
 110 /*) ;;
 111 */*) ;;
 112 *)
 113         PATH=$PATH:${PWD=`pwd`} ; export PATH
 114         ;;
 115 esac
 116
 117 # Loop over all args
 118
 119 while :
 120 do
 121
 122 # Break out if there are no more args
 123         case $# in
 124         0)
 125                 break
 126                 ;;
 127         esac
 128
 129 # Get the first arg, and shuffle
 130         option=$1
 131         shift
 132
 133 # Make all options have two hyphens
 134         orig_option=$option     # Save original for error messages
 135         case $option in
 136         --*) ;;
 137         -*) option=-$option ;;
 138         esac
 139
 140 # Split out the argument for options that take them
 141         case $option in
 142         --*=*)
 143                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 144                 ;;
 145 # These options have mandatory values.  Since we didn't find an = sign,
 146 # the value must be in the next argument
 147         --b* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-*)
 148                 optarg=$1
 149                 shift
 150                 ;;
 151         esac
 152
 153 # Now, process the options
 154         case $option in
 155
 156         --build* | --b*)
 157                 case "$build_alias" in
 158                 "") build_alias=$optarg ;;
 159                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 160                    fatal=yes
 161                    ;;
 162                 esac
 163                 ;;
 164         --cache*)
 165                 case "$option" in
 166                 *=*) other_options="${other_options} ${option}" ;;
 167                 *) other_options="${other_options} ${option}=${optarg}" ;;
 168                 esac
 169                 ;;
 170         --disable-*)
 171                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 172                 eval $enableopt=no
 173                 disableoptions="$disableoptions $option"
 174                 ;;
 175         --enable-*)
 176                 case "$option" in
 177                 *=*)    ;;
 178                 *)      optarg=yes ;;
 179                 esac
 180
 181                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 182                 eval $enableopt="$optarg"
 183                 enableoptions="$enableoptions $option"
 184                 ;;
 185         --exec-prefix* | --ex*)
 186                 exec_prefix=$optarg
 187                 exec_prefixoption="--exec-prefix=$optarg"
 188                 ;;
 189         --gas | --g*)
 190                 gas=yes
 191                 ;;
 192         --help | --he*)
 193                 fatal=yes
 194                 ;;
 195         --host* | --ho*)
 196                 case $host_alias in
 197                 NOHOST) host_alias=$optarg ;;
 198                 *) echo '***' Can only configure for one host at a time.  1>&2
 199                    fatal=yes
 200                    ;;
 201                 esac
 202                 ;;
 203         --nfp | --nf*)
 204                 floating_point=no
 205                 ;;
 206         --norecursion | --no*)
 207                 norecursion=yes
 208                 ;;
 209         --prefix* | --pre*)
 210                 prefix=$optarg
 211                 prefixoption="--prefix=$optarg"
 212                 ;;
 213         --program-prefix* | --program-p*)
 214                 program_prefix=$optarg
 215                 program_prefixoption="--program-prefix=$optarg"
 216                 ;;
 217         --program-suffix* | --program-s*)
 218                 program_suffix=$optarg
 219                 program_suffixoption="--program-suffix=$optarg"
 220                 ;;
 221         --program-transform-name* | --program-t*)
 222                 # Double any backslashes or dollar signs in the argument
 223                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 224                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 225                 ;;
 226         --rm)
 227                 removing=--rm
 228                 ;;
 229         --silent | --sil* | --quiet | --q*)
 230                 redirect=">/dev/null"
 231                 verbose=--silent
 232                 ;;
 233         --site* | --sit*)
 234                 site=$optarg
 235                 site_option="--site=$optarg"
 236                 ;;
 237         --srcdir*/ | --sr*/)
 238                 # Remove trailing slashes.  Otherwise, when the file name gets
 239                 # bolted into an object file as debug info, it has two slashes
 240                 # in it.  Ordinarily this is ok, but emacs takes double slash
 241                 # to mean "forget the first part".
 242                 srcdir=`echo $optarg | sed -e 's:/$::'`
 243                 ;;
 244         --srcdir* | --sr*)
 245                 srcdir=$optarg
 246                 ;;
 247         --target* | --ta*)
 248                 case $target_alias in
 249                 NOTARGET) target_alias=$optarg ;;
 250                 *) echo '***' Can only configure for one target at a time.  1>&2
 251                    fatal=yes
 252                    ;;
 253                 esac
 254                 ;;
 255         --tmpdir* | --tm*)
 256                 TMPDIR=$optarg
 257                 tmpdiroption="--tmpdir=$optarg"
 258                 ;;
 259         --verbose | --v | --verb*)
 260                 redirect=
 261                 verbose=--verbose
 262                 ;;
 263         --version | --V | --vers*)
 264                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 265                 exit 0
 266                 ;;
 267         --with-*)
 268                 case "$option" in
 269                 *=*)    ;;
 270                 *)      optarg=yes ;;
 271                 esac
 272
 273                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 274                 eval $withopt="$optarg"
 275                 withoptions="$withoptions $option"
 276                 ;;
 277         --without-*)
 278                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 279                 eval $withopt=no
 280                 withoutoptions="$withoutoptions $option"
 281                 ;;
 282         --x)    with_x=yes
 283                 withoptions="$withoptions --with-x"
 284                 ;;
 285         --x-i* | --x-l*) other_options="$other_options $orig_option"
 286                 ;;
 287         --*)
 288                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 289                 exit 1
 290                 ;;
 291         *)
 292                 case $undefs in
 293                 NOUNDEFS) undefs=$option ;;
 294                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 295                    fatal=yes
 296                    ;;
 297                 esac
 298                 ;;
 299         esac
 300 done
 301
 302 # process host and target
 303
 304 # Do some error checking and defaulting for the host and target type.
 305 # The inputs are:
 306 #    configure --host=HOST --target=TARGET UNDEFS
 307 #
 308 # The rules are:
 309 # 1. You aren't allowed to specify --host, --target, and undefs at the
 310 #    same time.
 311 # 2. Host defaults to undefs.
 312 # 3. If undefs is not specified, then host defaults to the current host,
 313 #    as determined by config.guess.
 314 # 4. Target defaults to undefs.
 315 # 5. If undefs is not specified, then target defaults to host.
 316
 317 case "${fatal}" in
 318 "")
 319         # Make sure that host, target & undefs aren't all specified at the
 320         # same time.
 321         case $host_alias---$target_alias---$undefs in
 322         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 323                 ;;
 324         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 325            fatal=yes
 326            break 2
 327                 ;;
 328         esac
 329
 330         # Now, do defaulting for host.
 331         case $host_alias in
 332         NOHOST)
 333                 case $undefs in
 334                 NOUNDEFS)
 335                         # Neither --host option nor undefs were present.
 336                         # Call config.guess.
 337                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 338                         if host_alias=`${guesssys}`
 339                         then
 340                                 # If the string we are going to use for
 341                                 # the target is a prefix of the string
 342                                 # we just guessed for the host, then
 343                                 # assume we are running native, and force
 344                                 # the same string for both target and host.
 345                                 case $target_alias in
 346                                 NOTARGET) ;;
 347                                 *)
 348                                         if expr $host_alias : $target_alias >/dev/null
 349                                         then
 350                                                 host_alias=$target_alias
 351                                         fi
 352                                         ;;
 353                                 esac
 354                                 echo "Configuring for a ${host_alias} host." 1>&2
 355                                 arguments="--host=$host_alias $arguments"
 356                         else
 357                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 358                                 fatal=yes
 359                         fi
 360                         ;;
 361                 *)
 362                         host_alias=$undefs
 363                         ;;
 364                 esac
 365         esac
 366
 367         # Do defaulting for target.  If --target option isn't present, default
 368         # to undefs.  If undefs isn't present, default to host.
 369         case $target_alias in
 370         NOTARGET)
 371                 case $undefs in
 372                 NOUNDEFS)
 373                         target_alias=$host_alias
 374                         ;;
 375                 *)
 376                         target_alias=$undefs
 377                         ;;
 378                 esac
 379         esac
 380         ;;
 381 *) ;;
 382 esac
 383
 384 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 385         exec 1>&2
 386         echo Usage: configure [OPTIONS] [HOST]
 387         echo
 388         echo Options: [defaults in brackets]
 389         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 390         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 391         echo ' --help                    print this message [normal config]'
 392         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 393         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 394         echo ' --norecursion             configure this directory only [recurse]'
 395         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 396         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 397         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 398         echo ' --site=SITE               configure with site-specific makefile for SITE'
 399         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 400         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 401         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 402         echo ' --nfp                     configure for software floating point [hard float]'
 403         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 404         echo ' --without-FOO             package FOO is NOT available'
 405         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 406         echo ' --disable-FOO             do not include feature FOO'
 407         echo
 408         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 409         echo
 410         if [ -r config.status ] ; then
 411                 cat config.status
 412         fi
 413
 414         exit 1
 415 fi
 416
 417 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 418 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 419
 420 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 421 if ${configsub} sun4 >/dev/null 2>&1 ; then
 422         true
 423 else
 424         echo '***' cannot find config.sub.  1>&2
 425         exit 1
 426 fi
 427
 428 touch config.junk
 429 if ${moveifchange} config.junk config.trash ; then
 430         true
 431 else
 432         echo '***' cannot find move-if-change.  1>&2
 433         exit 1
 434 fi
 435 rm -f config.junk config.trash
 436
 437 case "${srcdir}" in
 438 "")
 439         if [ -r configure.in ] ; then
 440                 srcdir=.
 441         else
 442                 if [ -r ${progname}.in ] ; then
 443                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 444                 else
 445                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 446                         exit 1
 447                 fi
 448         fi
 449         ;;
 450 *) ;;
 451 esac
 452
 453 ### warn about some conflicting configurations.
 454
 455 case "${srcdir}" in
 456 ".") ;;
 457 *)
 458         if [ -f ${srcdir}/config.status ] ; then
 459                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 460                 exit 1
 461         fi
 462 esac
 463
 464 # default exec_prefix
 465 case "${exec_prefixoption}" in
 466 "") exec_prefix="\$(prefix)" ;;
 467 *) ;;
 468 esac
 469
 470 ### break up ${srcdir}/configure.in.
 471 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 472 "")
 473         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 474         exit 1
 475         ;;
 476 *) ;;
 477 esac
 478
 479 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 480 "")
 481         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 482         exit 1
 483         ;;
 484 *) ;;
 485 esac
 486
 487 case "${TMPDIR}" in
 488 "") TMPDIR=/tmp ; export TMPDIR ;;
 489 *) ;;
 490 esac
 491
 492 # keep this filename short for &%*%$*# 14 char file names
 493 tmpfile=${TMPDIR}/cONf$$
 494 # Note that under many versions of sh a trap handler for 0 will *override* any
 495 # exit status you explicitly specify!  At this point, the only non-error exit
 496 # is at the end of the script; these actions are duplicated there, minus
 497 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 498 # trap handler, or you'll lose.
 499 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 500
 501 # split ${srcdir}/configure.in into common, per-host, per-target,
 502 # and post-target parts.  Post-target is optional.
 503 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 504 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 505 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 506   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 507   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 508 else
 509   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 510   echo >${tmpfile}.pos
 511 fi
 512
 513 ### do common part of configure.in
 514
 515 . ${tmpfile}.com
 516
 517 # some sanity checks on configure.in
 518 case "${srctrigger}" in
 519 "")
 520         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 521         exit 1
 522         ;;
 523 *) ;;
 524 esac
 525
 526 case "${build_alias}" in
 527 "")     ;;
 528 *)
 529         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 530             buildopt="--build=${build_alias}"
 531             build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 532             build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 533             build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 534             build=${build_cpu}-${build_vendor}-${build_os}
 535         else
 536             echo "Unrecognized build system name ${build_alias}." 1>&2
 537             exit 1
 538         fi
 539         ;;
 540 esac
 541
 542 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 543     true
 544 else
 545     echo "Unrecognized host system name ${host_alias}." 1>&2
 546     exit 1
 547 fi
 548 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 549 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 550 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 551 host=${host_cpu}-${host_vendor}-${host_os}
 552
 553 . ${tmpfile}.hst
 554
 555 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 556     true
 557 else
 558     echo "Unrecognized target system name ${target_alias}." 1>&2
 559     exit 1
 560 fi
 561 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 562 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 563 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 564 target=${target_cpu}-${target_vendor}-${target_os}
 565
 566 . ${tmpfile}.tgt
 567
 568 # Find the source files, if location was not specified.
 569 case "${srcdir}" in
 570 "")
 571         srcdirdefaulted=1
 572         srcdir=.
 573         if [ ! -r ${srctrigger} ] ; then
 574                 srcdir=..
 575         fi
 576         ;;
 577 *) ;;
 578 esac
 579
 580 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 581         case "${srcdirdefaulted}" in
 582         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 583         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 584         esac
 585
 586         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 587         exit 1
 588 fi
 589
 590 # Some systems (e.g., one of the i386-aix systems the gas testers are
 591 # using) don't handle "\$" correctly, so don't use it here.
 592 tooldir='$(exec_prefix)'/${target_alias}
 593
 594 if [ "${host_alias}" != "${target_alias}" ] ; then
 595     if [ "${program_prefixoption}" = "" ] ; then
 596         if [ "${program_suffixoption}" = "" ] ; then
 597             if [ "${program_transform_nameoption}" = "" ] ; then
 598                 program_prefix=${target_alias}- ;
 599             fi
 600         fi
 601     fi
 602 fi
 603
 604 # Merge program_prefix and program_suffix onto program_transform_name.
 605 # (program_suffix used to use $, but it's hard to preserve $ through both
 606 # make and sh.)
 607 if [ "${program_suffix}" != "" ] ; then
 608     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 609 fi
 610
 611 if [ "${program_prefix}" != "" ] ; then
 612     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 613 fi
 614
 615 for subdir in . ${subdirs} ; do
 616
 617     # ${subdir} is relative path from . to the directory we're currently
 618     # configuring.
 619     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 620     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 621
 622     ### figure out what to do with srcdir
 623     case "${srcdir}" in
 624         ".")  # no -srcdir option.  We're building in place.
 625                 makesrcdir=. ;;
 626         /*) # absolute path
 627                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 628                 ;;
 629         *) # otherwise relative
 630                 case "${subdir}" in
 631                 .) makesrcdir=${srcdir} ;;
 632                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 633                 esac
 634                 ;;
 635     esac
 636
 637     if [ "${subdir}/" != "./" ] ; then
 638         Makefile=${subdir}/Makefile
 639     fi
 640
 641     if [ ! -d ${subdir} ] ; then
 642         if mkdir ${subdir} ; then
 643                 true
 644         else
 645                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 646                 exit 1
 647         fi
 648     fi
 649
 650     case "${removing}" in
 651     "")
 652         case "${subdir}" in
 653         .) ;;
 654         *) eval echo Building in ${subdir} ${redirect} ;;
 655         esac
 656
 657         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 658         # Set up the list of links to be made.
 659         # ${links} is the list of link names, and ${files} is the list of names to link to.
 660
 661         # Make the links.
 662         configlinks="${links}"
 663         if [ -r ${subdir}/config.status ] ; then
 664                 mv -f ${subdir}/config.status ${subdir}/config.back
 665         fi
 666         while [ -n "${files}" ] ; do
 667                 # set file to car of files, files to cdr of files
 668                 set ${files}; file=$1; shift; files=$*
 669                 set ${links}; link=$1; shift; links=$*
 670
 671                 if [ ! -r ${srcdir}/${file} ] ; then
 672                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 673                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 674                         exit 1
 675                 fi
 676
 677                 ${remove} -f ${link}
 678                 # Make a symlink if possible, otherwise try a hard link
 679                 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
 680                         true
 681                 else
 682                         # We need to re-remove the file because Lynx leaves a
 683                         # very strange directory there when it fails an NFS symlink.
 684                         ${remove} -r -f ${link}
 685                         ${hard_link} ${srcdir}/${file} ${link}
 686                 fi
 687                 if [ ! -r ${link} ] ; then
 688                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 689                         exit 1
 690                 fi
 691
 692                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 693         done
 694
 695         # Create a .gdbinit file which runs the one in srcdir
 696         # and tells GDB to look there for source files.
 697
 698         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 699                 case ${srcdir} in
 700                 .) ;;
 701                 *) cat > ${subdir}/.gdbinit <<EOF
 702 # ${NO_EDIT}
 703 dir ${makesrcdir}
 704 dir .
 705 source ${makesrcdir}/.gdbinit
 706 EOF
 707                         ;;
 708                 esac
 709         fi
 710
 711         # Install a makefile, and make it set VPATH
 712         # if necessary so that the sources are found.
 713         # Also change its value of srcdir.
 714         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 715         # been somewhat optimized and is perhaps a bit twisty.
 716
 717         # code is order so as to try to sed the smallest input files we know.
 718
 719         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 720         # package, target, host, and site.  so do these separately because I don't trust the
 721         #  order of sed -e expressions.
 722
 723         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 724
 725             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 726             rm -f ${subdir}/Makefile.tem
 727               case "${site}" in
 728               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 729               *)
 730                       site_makefile_frag=${srcdir}/config/ms-${site}
 731
 732                       if [ -f ${site_makefile_frag} ] ; then
 733                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 734                                       > ${subdir}/Makefile.tem
 735                       else
 736                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 737                               site_makefile_frag=
 738                       fi
 739                       ;;
 740             esac
 741             # working copy now in ${subdir}/Makefile.tem
 742
 743             # Conditionalize the makefile for this host.
 744             rm -f ${Makefile}
 745             case "${host_makefile_frag}" in
 746               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 747               *)
 748                       if [ ! -f ${host_makefile_frag} ] ; then
 749                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 750                       fi
 751                       if [ -f ${host_makefile_frag} ] ; then
 752                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 753                       else
 754                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 755                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 756                               mv ${subdir}/Makefile.tem ${Makefile}
 757                       fi
 758             esac
 759             # working copy now in ${Makefile}
 760
 761             # Conditionalize the makefile for this target.
 762             rm -f ${subdir}/Makefile.tem
 763             case "${target_makefile_frag}" in
 764               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 765               *)
 766                       if [ ! -f ${target_makefile_frag} ] ; then
 767                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 768                       fi
 769                       if [ -f ${target_makefile_frag} ] ; then
 770                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 771                       else
 772                               mv ${Makefile} ${subdir}/Makefile.tem
 773                               target_makefile_frag=
 774                       fi
 775                       ;;
 776             esac
 777             # real copy now in ${subdir}/Makefile.tem
 778
 779             # Conditionalize the makefile for this package.
 780             rm -f ${Makefile}
 781             case "${package_makefile_frag}" in
 782               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 783               *)
 784                       if [ ! -f ${package_makefile_frag} ] ; then
 785                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 786                       fi
 787                       if [ -f ${package_makefile_frag} ] ; then
 788                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 789                               rm -f ${subdir}/Makefile.tem
 790                       else
 791                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 792                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 793                               mv ${subdir}/Makefile.tem ${Makefile}
 794                       fi
 795             esac
 796             # working copy now in ${Makefile}
 797
 798             mv ${Makefile} ${subdir}/Makefile.tem
 799
 800             # real copy now in ${subdir}/Makefile.tem
 801
 802             # prepend warning about editting, and a bunch of variables.
 803             rm -f ${Makefile}
 804             cat > ${Makefile} <<EOF
 805 # ${NO_EDIT}
 806 VPATH = ${makesrcdir}
 807 links = ${configlinks}
 808 host_alias = ${host_alias}
 809 host_cpu = ${host_cpu}
 810 host_vendor = ${host_vendor}
 811 host_os = ${host_os}
 812 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 813 target_alias = ${target_alias}
 814 target_cpu = ${target_cpu}
 815 target_vendor = ${target_vendor}
 816 target_os = ${target_os}
 817 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 818 EOF
 819             case "${build}" in
 820               "") ;;
 821               *)  cat >> ${Makefile} << EOF
 822 build_alias = ${build_alias}
 823 build_cpu = ${build_cpu}
 824 build_vendor = ${build_vendor}
 825 build_os = ${build_os}
 826 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
 827 EOF
 828             esac
 829
 830             case "${package_makefile_frag}" in
 831               "") ;;
 832               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 833               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 834             esac
 835
 836             case "${target_makefile_frag}" in
 837               "") ;;
 838               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 839               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 840             esac
 841
 842             case "${host_makefile_frag}" in
 843               "") ;;
 844               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 845               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 846             esac
 847
 848             if [ "${site_makefile_frag}" != "" ] ; then
 849                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 850             fi
 851
 852             # make sure that some sort of reasonable default exists for these
 853             # two variables
 854             CXX=${CXX-"g++ -O"}
 855             CC=${CC-cc}
 856
 857             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 858             # remove any form feeds.
 859             if [ -z "${subdirs}" ]; then
 860                 rm -f ${subdir}/Makefile.tem2
 861                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 862                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 863                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 864                 rm -f ${subdir}/Makefile.tem
 865                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 866             fi
 867             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 868                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 869                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 870                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 871                     -e "s/\f//" \
 872                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 873                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 874                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 875                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 876                     ${subdir}/Makefile.tem >> ${Makefile}
 877             # final copy now in ${Makefile}
 878
 879         else
 880            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 881         fi
 882
 883         rm -f ${subdir}/Makefile.tem
 884
 885         case "${host_makefile_frag}" in
 886         "") using= ;;
 887         *) using="and \"${host_makefile_frag}\"" ;;
 888         esac
 889
 890         case "${target_makefile_frag}" in
 891         "") ;;
 892         *) using="${using} and \"${target_makefile_frag}\"" ;;
 893         esac
 894
 895         case "${site_makefile_frag}" in
 896         "") ;;
 897         *) using="${using} and \"${site_makefile_frag}\"" ;;
 898         esac
 899
 900         newusing=`echo "${using}" | sed 's/and/using/'`
 901         using=${newusing}
 902         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 903
 904         . ${tmpfile}.pos
 905
 906         # describe the chosen configuration in config.status.
 907         # Make that file a shellscript which will reestablish
 908         # the same configuration.  Used in Makefiles to rebuild
 909         # Makefiles.
 910
 911         case "${norecursion}" in
 912         "") arguments="${arguments} --norecursion" ;;
 913         *) ;;
 914         esac
 915
 916         if [ ${subdir} = . ] ; then
 917             echo "#!/bin/sh
 918 # ${NO_EDIT}
 919 # This directory was configured as follows:
 920 ${progname}" ${arguments}  "
 921 # ${using}" > ${subdir}/config.new
 922         else
 923             echo "#!/bin/sh
 924 # ${NO_EDIT}
 925 # This directory was configured as follows:
 926 cd ${invsubdir}
 927 ${progname}" ${arguments}  "
 928 # ${using}" > ${subdir}/config.new
 929         fi
 930         chmod a+x ${subdir}/config.new
 931         if [ -r ${subdir}/config.back ] ; then
 932                 mv -f ${subdir}/config.back ${subdir}/config.status
 933         fi
 934         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 935         ;;
 936
 937     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 938     esac
 939 done
 940
 941 # If there are subdirectories, then recur.
 942 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 943         for configdir in ${configdirs} ; do
 944
 945                 if [ -d ${srcdir}/${configdir} ] ; then
 946                         eval echo Configuring ${configdir}... ${redirect}
 947                         case "${srcdir}" in
 948                         ".") ;;
 949                         *)
 950                                 if [ ! -d ./${configdir} ] ; then
 951                                         if mkdir ./${configdir} ; then
 952                                                 true
 953                                         else
 954                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 955                                                 exit 1
 956                                         fi
 957                                 fi
 958                                 ;;
 959                         esac
 960
 961                         POPDIR=${PWD=`pwd`}
 962                         cd ${configdir}
 963
 964 ### figure out what to do with srcdir
 965                         case "${srcdir}" in
 966                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 967                         /*) # absolute path
 968                                 newsrcdir=${srcdir}/${configdir}
 969                                 srcdiroption="--srcdir=${newsrcdir}"
 970                                 ;;
 971                         *) # otherwise relative
 972                                 newsrcdir=../${srcdir}/${configdir}
 973                                 srcdiroption="--srcdir=${newsrcdir}"
 974                                 ;;
 975                         esac
 976
 977 ### check for guested configure, otherwise fix possibly relative progname
 978                         if [ -f ${newsrcdir}/configure ] ; then
 979                                 recprog=${newsrcdir}/configure
 980                         elif [ -f ${newsrcdir}/configure.in ] ; then
 981                                 case "${progname}" in
 982                                 /*)     recprog=${progname} ;;
 983                                 *)      recprog=../${progname} ;;
 984                                 esac
 985                         else
 986                                 eval echo No configuration information in ${configdir} ${redirect}
 987                                 recprog=
 988                         fi
 989
 990 ### The recursion line is here.
 991                         if [ ! -z "${recprog}" ] ; then
 992                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
 993                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 994                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${removing} ${other_options} ${redirect} ; then
 995                                         true
 996                                 else
 997                                         echo Configure in `pwd` failed, exiting. 1>&2
 998                                         exit 1
 999                                 fi
1000                         fi
1001
1002                         cd ${POPDIR}
1003                 fi
1004         done
1005 fi
1006
1007 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1008 # and reset the trap handler.
1009 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1010 trap 0
1011
1012 exit 0
1013
1014 #
1015 # Local Variables:
1016 # fill-column: 131
1017 # End:
1018 #
1019
1020 # end of configure