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