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*)
 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='$optarg'"
 216                 ;;
 217         --rm)
 218                 removing=--rm
 219                 ;;
 220         --silent | --sil* | --quiet | --q*)
 221                 redirect=">/dev/null"
 222                 verbose=--silent
 223                 ;;
 224         --site* | --sit*)
 225                 site=$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         --*)
 277                 echo "Warning: Unrecognized option: \"$orig_option\"". >&2
 278                 # Pass the option to any configure scripts in subdirectories
 279                 # in case they recognize it.
 280                 other_options="$other_options $orig_option"
 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                                 echo "Configuring for a ${host_alias} host." 1>&2
 332                                 arguments="--host=$host_alias $arguments"
 333                         else
 334                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 335                                 fatal=yes
 336                         fi
 337                         ;;
 338                 *)
 339                         host_alias=$undefs
 340                         ;;
 341                 esac
 342         esac
 343
 344         # Do defaulting for target.  If --target option isn't present, default
 345         # to undefs.  If undefs isn't present, default to host.
 346         case $target_alias in
 347         NOTARGET)
 348                 case $undefs in
 349                 NOUNDEFS)
 350                         target_alias=$host_alias
 351                         ;;
 352                 *)
 353                         target_alias=$undefs
 354                         ;;
 355                 esac
 356         esac
 357         ;;
 358 *) ;;
 359 esac
 360
 361 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 362         exec 1>&2
 363         echo Usage: configure HOST
 364         echo
 365         echo Options: [defaults in brackets]
 366         echo ' --prefix=MYDIR            configure for installation of host independent files into MYDIR. ["/usr/local"]'
 367         echo ' --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. ["/usr/local"]'
 368         echo ' --help                    print this message. [normal config]'
 369         echo ' --build=BUILD             configure for building on BUILD.  [BUILD=HOST]'
 370         echo ' --host=HOST               configure for HOST.  [determined via config.guess]'
 371         echo ' --norecursion             configure this directory only. [recurse]'
 372         echo ' --program-prefix=FOO      install programs with FOO prepended to their names. [ "" ]'
 373         echo ' --program-suffix=FOO      install programs with FOO appended to their names. [ "" ]'
 374         echo ' --program-transform-name=FOO install programs with names transformed by sed pattern FOO. [ "" ]'
 375         echo ' --site=SITE               configure with site specific makefile for SITE'
 376         echo ' --srcdir=DIR              find the sources in DIR. ["." or ".."]'
 377         echo ' --target=TARGET   configure for TARGET.  [TARGET = HOST]'
 378         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = "/tmp" ]'
 379         echo ' --nfp                     configure the compilers default to soft floating point. [hard float]'
 380         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 381         echo ' --without-FOO             package FOO is NOT available'
 382         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 383         echo ' --disable-FOO             do not include feature FOO'
 384         echo
 385         echo 'Where HOST and TARGET are something like "vax", "sun3", "encore", etc.'
 386         echo
 387         if [ -r config.status ] ; then
 388                 cat config.status
 389         fi
 390
 391         exit 1
 392 fi
 393
 394 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 395 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 396
 397 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 398 if ${configsub} sun4 >/dev/null 2>&1 ; then
 399         true
 400 else
 401         echo '***' cannot find config.sub.  1>&2
 402         exit 1
 403 fi
 404
 405 touch config.junk
 406 if ${moveifchange} config.junk config.trash ; then
 407         true
 408 else
 409         echo '***' cannot find move-if-change.  1>&2
 410         exit 1
 411 fi
 412 rm -f config.junk config.trash
 413
 414 case "${srcdir}" in
 415 "")
 416         if [ -r configure.in ] ; then
 417                 srcdir=.
 418         else
 419                 if [ -r ${progname}.in ] ; then
 420                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 421                 else
 422                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 423                         exit 1
 424                 fi
 425         fi
 426         ;;
 427 *) ;;
 428 esac
 429
 430 ### warn about some conflicting configurations.
 431
 432 case "${srcdir}" in
 433 ".") ;;
 434 *)
 435         if [ -f ${srcdir}/config.status ] ; then
 436                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 437                 exit 1
 438         fi
 439 esac
 440
 441 # default exec_prefix
 442 case "${exec_prefix}" in
 443 "") exec_prefix="\$(prefix)" ;;
 444 *) ;;
 445 esac
 446
 447 ### break up ${srcdir}/configure.in.
 448 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 449 "")
 450         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 451         exit 1
 452         ;;
 453 *) ;;
 454 esac
 455
 456 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 457 "")
 458         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 459         exit 1
 460         ;;
 461 *) ;;
 462 esac
 463
 464 case "${TMPDIR}" in
 465 "") TMPDIR=/tmp ; export TMPDIR ;;
 466 *) ;;
 467 esac
 468
 469 # keep this filename short for &%*%$*# 14 char file names
 470 tmpfile=${TMPDIR}/cONf$$
 471 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 472
 473 # split ${srcdir}/configure.in into common, per-host, per-target,
 474 # and post-target parts.  Post-target is optional.
 475 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 476 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 477 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 478   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 479   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 480 else
 481   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 482   echo >${tmpfile}.pos
 483 fi
 484
 485 ### do common part of configure.in
 486
 487 . ${tmpfile}.com
 488
 489 # some sanity checks on configure.in
 490 case "${srctrigger}" in
 491 "")
 492         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 493         exit 1
 494         ;;
 495 *) ;;
 496 esac
 497
 498 case "${build_alias}" in
 499 "")     ;;
 500 *)
 501         result=`${configsub} ${build_alias}`
 502         buildopt="--build=${build_alias}"
 503         build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 504         build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 505         build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 506         build=${build_cpu}-${build_vendor}-${build_os}
 507         ;;
 508 esac
 509
 510 result=`${configsub} ${host_alias}`
 511 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 512 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 513 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 514 host=${host_cpu}-${host_vendor}-${host_os}
 515
 516 . ${tmpfile}.hst
 517
 518 result=`${configsub} ${target_alias}`
 519 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 520 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 521 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 522 target=${target_cpu}-${target_vendor}-${target_os}
 523
 524 . ${tmpfile}.tgt
 525
 526 # Find the source files, if location was not specified.
 527 case "${srcdir}" in
 528 "")
 529         srcdirdefaulted=1
 530         srcdir=.
 531         if [ ! -r ${srctrigger} ] ; then
 532                 srcdir=..
 533         fi
 534         ;;
 535 *) ;;
 536 esac
 537
 538 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 539         case "${srcdirdefaulted}" in
 540         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 541         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 542         esac
 543
 544         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 545         exit 1
 546 fi
 547
 548 # Some systems (e.g., one of the i386-aix systems the gas testers are
 549 # using) don't handle "\$" correctly, so don't use it here.
 550 tooldir='$(exec_prefix)'/${target_alias}
 551
 552 if [ "${host_alias}" != "${target_alias}" ] ; then
 553     if [ "${program_prefixoption}" = "" ] ; then
 554         if [ "${program_suffixoption}" = "" ] ; then
 555             if [ "${program_transform_nameoption}" = "" ] ; then
 556                 program_prefix=${target_alias}- ;
 557             fi
 558         fi
 559     fi
 560 fi
 561
 562 # Merge program_prefix and program_suffix onto program_transform_name
 563 # Use a double $ so that make ignores it
 564 if [ "${program_suffix}" != "" ] ; then
 565     program_transform_name="-e s,\$\$,${program_suffix}, ${program_transform_name}"
 566 fi
 567
 568 if [ "${program_prefix}" != "" ] ; then
 569     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 570 fi
 571
 572 for subdir in . ${subdirs} ; do
 573
 574     # ${subdir} is relative path from . to the directory we're currently
 575     # configuring.
 576     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 577     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 578
 579     ### figure out what to do with srcdir
 580     case "${srcdir}" in
 581         ".")  # no -srcdir option.  We're building in place.
 582                 makesrcdir=. ;;
 583         /*) # absolute path
 584                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 585                 ;;
 586         *) # otherwise relative
 587                 case "${subdir}" in
 588                 .) makesrcdir=${srcdir} ;;
 589                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 590                 esac
 591                 ;;
 592     esac
 593
 594     if [ "${subdir}/" != "./" ] ; then
 595         Makefile=${subdir}/Makefile
 596     fi
 597
 598     if [ ! -d ${subdir} ] ; then
 599         if mkdir ${subdir} ; then
 600                 true
 601         else
 602                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 603                 exit 1
 604         fi
 605     fi
 606
 607     case "${removing}" in
 608     "")
 609         case "${subdir}" in
 610         .) ;;
 611         *) eval echo Building in ${subdir} ${redirect} ;;
 612         esac
 613
 614         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 615         # Set up the list of links to be made.
 616         # ${links} is the list of link names, and ${files} is the list of names to link to.
 617
 618         # Make the links.
 619         configlinks="${links}"
 620         if [ -r ${subdir}/config.status ] ; then
 621                 mv -f ${subdir}/config.status ${subdir}/config.back
 622         fi
 623         while [ -n "${files}" ] ; do
 624                 # set file to car of files, files to cdr of files
 625                 set ${files}; file=$1; shift; files=$*
 626                 set ${links}; link=$1; shift; links=$*
 627
 628                 if [ ! -r ${srcdir}/${file} ] ; then
 629                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 630                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 631                         exit 1
 632                 fi
 633
 634                 ${remove} -f ${link}
 635                 # Make a symlink if possible, otherwise try a hard link
 636                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 637
 638                 if [ ! -r ${link} ] ; then
 639                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 640                         exit 1
 641                 fi
 642
 643                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 644         done
 645
 646         # Create a .gdbinit file which runs the one in srcdir
 647         # and tells GDB to look there for source files.
 648
 649         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 650                 case ${srcdir} in
 651                 .) ;;
 652                 *) cat > ${subdir}/.gdbinit <<EOF
 653 # ${NO_EDIT}
 654 dir .
 655 dir ${makesrcdir}
 656 source ${makesrcdir}/.gdbinit
 657 EOF
 658                         ;;
 659                 esac
 660         fi
 661
 662         # Install a makefile, and make it set VPATH
 663         # if necessary so that the sources are found.
 664         # Also change its value of srcdir.
 665         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 666         # been somewhat optimized and is perhaps a bit twisty.
 667
 668         # code is order so as to try to sed the smallest input files we know.
 669
 670         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 671         # package, target, host, and site.  so do these separately because I don't trust the
 672         #  order of sed -e expressions.
 673
 674         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 675
 676             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 677             rm -f ${subdir}/Makefile.tem
 678               case "${site}" in
 679               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 680               *)
 681                       site_makefile_frag=${srcdir}/config/ms-${site}
 682
 683                       if [ -f ${site_makefile_frag} ] ; then
 684                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 685                                       > ${subdir}/Makefile.tem
 686                       else
 687                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 688                               site_makefile_frag=
 689                       fi
 690                       ;;
 691             esac
 692             # working copy now in ${subdir}/Makefile.tem
 693
 694             # Conditionalize the makefile for this host.
 695             rm -f ${Makefile}
 696             case "${host_makefile_frag}" in
 697               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 698               *)
 699                       if [ ! -f ${host_makefile_frag} ] ; then
 700                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 701                       fi
 702                       if [ -f ${host_makefile_frag} ] ; then
 703                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 704                       else
 705                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 706                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 707                               mv ${subdir}/Makefile.tem ${Makefile}
 708                       fi
 709             esac
 710             # working copy now in ${Makefile}
 711
 712             # Conditionalize the makefile for this target.
 713             rm -f ${subdir}/Makefile.tem
 714             case "${target_makefile_frag}" in
 715               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 716               *)
 717                       if [ ! -f ${target_makefile_frag} ] ; then
 718                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 719                       fi
 720                       if [ -f ${target_makefile_frag} ] ; then
 721                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 722                       else
 723                               mv ${Makefile} ${subdir}/Makefile.tem
 724                               target_makefile_frag=
 725                       fi
 726                       ;;
 727             esac
 728             # real copy now in ${subdir}/Makefile.tem
 729
 730             # Conditionalize the makefile for this package.
 731             rm -f ${Makefile}
 732             case "${package_makefile_frag}" in
 733               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 734               *)
 735                       if [ ! -f ${package_makefile_frag} ] ; then
 736                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 737                       fi
 738                       if [ -f ${package_makefile_frag} ] ; then
 739                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 740                       else
 741                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 742                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 743                               mv ${subdir}/Makefile.tem ${Makefile}
 744                       fi
 745             esac
 746             # working copy now in ${Makefile}
 747
 748             mv ${Makefile} ${subdir}/Makefile.tem
 749
 750             # real copy now in ${subdir}/Makefile.tem
 751
 752             # prepend warning about editting, and a bunch of variables.
 753             rm -f ${Makefile}
 754             cat > ${Makefile} <<EOF
 755 # ${NO_EDIT}
 756 VPATH = ${makesrcdir}
 757 links = ${configlinks}
 758 host_alias = ${host_alias}
 759 host_cpu = ${host_cpu}
 760 host_vendor = ${host_vendor}
 761 host_os = ${host_os}
 762 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 763 target_alias = ${target_alias}
 764 target_cpu = ${target_cpu}
 765 target_vendor = ${target_vendor}
 766 target_os = ${target_os}
 767 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 768 EOF
 769             case "${build}" in
 770               "") ;;
 771               *)  cat >> ${Makefile} << EOF
 772 build_alias = ${build_alias}
 773 build_cpu = ${build_cpu}
 774 build_vendor = ${build_vendor}
 775 build_os = ${build_os}
 776 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
 777 EOF
 778             esac
 779
 780             case "${package_makefile_frag}" in
 781               "") ;;
 782               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 783               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 784             esac
 785
 786             case "${target_makefile_frag}" in
 787               "") ;;
 788               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 789               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 790             esac
 791
 792             case "${host_makefile_frag}" in
 793               "") ;;
 794               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 795               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 796             esac
 797
 798             if [ "${site_makefile_frag}" != "" ] ; then
 799                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 800             fi
 801
 802             # make sure that some sort of reasonable default exists for these
 803             # two variables
 804             CXX=${CXX-"g++ -O"}
 805             CC=${CC-cc}
 806
 807             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 808             # remove any form feeds.
 809             if [ -z "${subdirs}" ]; then
 810                 rm -f ${subdir}/Makefile.tem2
 811                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 812                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 813                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 814                 rm -f ${subdir}/Makefile.tem
 815                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 816             fi
 817             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 818                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 819                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 820                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 821                     -e "s/\f//" \
 822                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 823                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 824                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 825                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 826                     ${subdir}/Makefile.tem >> ${Makefile}
 827             # final copy now in ${Makefile}
 828
 829         else
 830            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 831         fi
 832
 833         rm -f ${subdir}/Makefile.tem
 834
 835         case "${host_makefile_frag}" in
 836         "") using= ;;
 837         *) using="and \"${host_makefile_frag}\"" ;;
 838         esac
 839
 840         case "${target_makefile_frag}" in
 841         "") ;;
 842         *) using="${using} and \"${target_makefile_frag}\"" ;;
 843         esac
 844
 845         case "${site_makefile_frag}" in
 846         "") ;;
 847         *) using="${using} and \"${site_makefile_frag}\"" ;;
 848         esac
 849
 850         newusing=`echo "${using}" | sed 's/and/using/'`
 851         using=${newusing}
 852         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 853
 854         . ${tmpfile}.pos
 855
 856         # describe the chosen configuration in config.status.
 857         # Make that file a shellscript which will reestablish
 858         # the same configuration.  Used in Makefiles to rebuild
 859         # Makefiles.
 860
 861         case "${norecursion}" in
 862         "") arguments="${arguments} --norecursion" ;;
 863         *) ;;
 864         esac
 865
 866         if [ ${subdir} = . ] ; then
 867             echo "#!/bin/sh
 868 # ${NO_EDIT}
 869 # This directory was configured as follows:
 870 ${progname}" ${arguments}  "
 871 # ${using}" > ${subdir}/config.new
 872         else
 873             echo "#!/bin/sh
 874 # ${NO_EDIT}
 875 # This directory was configured as follows:
 876 cd ${invsubdir}
 877 ${progname}" ${arguments}  "
 878 # ${using}" > ${subdir}/config.new
 879         fi
 880         chmod a+x ${subdir}/config.new
 881         if [ -r ${subdir}/config.back ] ; then
 882                 mv -f ${subdir}/config.back ${subdir}/config.status
 883         fi
 884         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 885         ;;
 886
 887     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 888     esac
 889 done
 890
 891 # If there are subdirectories, then recur.
 892 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 893         for configdir in ${configdirs} ; do
 894
 895                 if [ -d ${srcdir}/${configdir} ] ; then
 896                         eval echo Configuring ${configdir}... ${redirect}
 897                         case "${srcdir}" in
 898                         ".") ;;
 899                         *)
 900                                 if [ ! -d ./${configdir} ] ; then
 901                                         if mkdir ./${configdir} ; then
 902                                                 true
 903                                         else
 904                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 905                                                 exit 1
 906                                         fi
 907                                 fi
 908                                 ;;
 909                         esac
 910
 911                         POPDIR=${PWD=`pwd`}
 912                         cd ${configdir}
 913
 914 ### figure out what to do with srcdir
 915                         case "${srcdir}" in
 916                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 917                         /*) # absolute path
 918                                 newsrcdir=${srcdir}/${configdir}
 919                                 srcdiroption="--srcdir=${newsrcdir}"
 920                                 ;;
 921                         *) # otherwise relative
 922                                 newsrcdir=../${srcdir}/${configdir}
 923                                 srcdiroption="--srcdir=${newsrcdir}"
 924                                 ;;
 925                         esac
 926
 927 ### check for guested configure, otherwise fix possibly relative progname
 928                         if [ -f ${newsrcdir}/configure ] ; then
 929                                 recprog=${newsrcdir}/configure
 930                         elif [ -f ${newsrcdir}/configure.in ] ; then
 931                                 case "${progname}" in
 932                                 /*)     recprog=${progname} ;;
 933                                 *)      recprog=../${progname} ;;
 934                                 esac
 935                         else
 936                                 eval echo No configuration information in ${configdir} ${redirect}
 937                                 recprog=
 938                         fi
 939
 940 ### The recursion line is here.
 941                         if [ ! -z "${recprog}" ] ; then
 942                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
 943                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 944                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${removing} ${other_options} ${redirect} ; then
 945                                         true
 946                                 else
 947                                         echo Configure in `pwd` failed, exiting. 1>&2
 948                                         exit 1
 949                                 fi
 950                         fi
 951
 952                         cd ${POPDIR}
 953                 fi
 954         done
 955 fi
 956
 957 exit 0
 958
 959 #
 960 # Local Variables:
 961 # fill-column: 131
 962 # End:
 963 #
 964
 965 # end of configure