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