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, 95, 96, 1997
   7 # Free Software Foundation, Inc.
   8
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22
  23 # This file was originally written by K. Richard Pixley.
  24
  25 #
  26 # Shell script to create proper links to machine-dependent files in
  27 # preparation for compilation.
  28 #
  29 # If configure succeeds, it leaves its status in config.status.
  30 # If configure fails after disturbing the status quo,
  31 #       config.status is removed.
  32 #
  33
  34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 #for Test
  41 #remove="echo rm"
  42 #hard_link="echo ln"
  43 #symbolic_link="echo ln -s"
  44
  45 # clear some things potentially inherited from environment.
  46
  47 Makefile=Makefile
  48 Makefile_in=Makefile.in
  49 arguments=
  50 build_alias=
  51 cache_file=config.cache
  52 cache_file_option=
  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 package_makefile_rules_frag=
  66 prefix=/usr/local
  67 progname=
  68 program_prefix=
  69 program_prefixoption=
  70 program_suffix=
  71 program_suffixoption=
  72 program_transform_name=
  73 program_transform_nameoption=
  74 redirect=">/dev/null"
  75 removing=
  76 site=
  77 site_makefile_frag=
  78 site_option=
  79 srcdir=
  80 srctrigger=
  81 subdirs=
  82 target_alias=NOTARGET
  83 target_makefile_frag=
  84 undefs=NOUNDEFS
  85 version="$Revision: 1.22 $"
  86 x11=default
  87
  88 ### we might need to use some other shell than /bin/sh for running subshells
  89
  90 ### If we are on Windows, search for the shell.  This will permit people
  91 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  92 ### without also having to set CONFIG_SHELL.  This code will work when
  93 ### using bash, which sets OSTYPE.
  94 case "${OSTYPE}" in
  95 *win32*)
  96   if [ x${CONFIG_SHELL} = x ]; then
  97     if [ ! -f /bin/sh ]; then
  98       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
  99         CONFIG_SHELL=${SHELL}
 100         export CONFIG_SHELL
 101       else
 102         for prog in sh sh.exe bash bash.exe; do
 103           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 104           for dir in $PATH; do
 105             test -z "$dir" && dir=.
 106             if test -f $dir/$prog; then
 107               CONFIG_SHELL=$dir/$prog
 108               export CONFIG_SHELL
 109               break
 110             fi
 111           done
 112           IFS="$save_ifs"
 113           test -n "${CONFIG_SHELL}" && break
 114         done
 115       fi
 116     fi
 117   fi
 118   ;;
 119 esac
 120
 121 config_shell=${CONFIG_SHELL-/bin/sh}
 122
 123 NO_EDIT="This file was generated automatically by configure.  Do not edit."
 124
 125 ## this is a little touchy and won't always work, but...
 126 ##
 127 ## if the argv[0] starts with a slash then it is an absolute name that can (and
 128 ## must) be used as is.
 129 ##
 130 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 131 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 132 ##
 133
 134 progname=$0
 135 # if PWD already has a value, it is probably wrong.
 136 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 137
 138 case "${progname}" in
 139 /*) ;;
 140 */*) ;;
 141 *)
 142         PATH=$PATH:${PWD=`pwd`} ; export PATH
 143         ;;
 144 esac
 145
 146 # Loop over all args
 147
 148 while :
 149 do
 150
 151 # Break out if there are no more args
 152         case $# in
 153         0)
 154                 break
 155                 ;;
 156         esac
 157
 158 # Get the first arg, and shuffle
 159         option=$1
 160         shift
 161
 162 # Make all options have two hyphens
 163         orig_option=$option     # Save original for error messages
 164         case $option in
 165         --*) ;;
 166         -*) option=-$option ;;
 167         esac
 168
 169 # Split out the argument for options that take them
 170         case $option in
 171         --*=*)
 172                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 173                 arguments="$arguments $option"
 174                 ;;
 175 # These options have mandatory values.  Since we didn't find an = sign,
 176 # the value must be in the next argument
 177         --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 178                 optarg=$1
 179                 shift
 180                 arguments="$arguments $option=$optarg"
 181                 ;;
 182         --v)
 183                 arguments="$arguments -v"
 184                 ;;
 185         --*)
 186                 arguments="$arguments $option"
 187                 ;;
 188         esac
 189
 190 # Now, process the options
 191         case $option in
 192
 193         --build* | --bu*)
 194                 case "$build_alias" in
 195                 "") build_alias=$optarg ;;
 196                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 197                    fatal=yes
 198                    ;;
 199                 esac
 200                 ;;
 201         --cache*)
 202                 cache_file=$optarg
 203                 ;;
 204         --disable-*)
 205                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 206                 eval $enableopt=no
 207                 disableoptions="$disableoptions $option"
 208                 ;;
 209         --enable-*)
 210                 case "$option" in
 211                 *=*)    ;;
 212                 *)      optarg=yes ;;
 213                 esac
 214
 215                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 216                 eval "$enableopt='$optarg'"
 217                 enableoptions="$enableoptions '$option'"
 218                 ;;
 219         --exec-prefix* | --ex*)
 220                 exec_prefix=$optarg
 221                 exec_prefixoption="--exec-prefix=$optarg"
 222                 ;;
 223         --gas | --g*)
 224                 gas=yes
 225                 ;;
 226         --help | --he*)
 227                 fatal=yes
 228                 ;;
 229         --host* | --ho*)
 230                 case $host_alias in
 231                 NOHOST) host_alias=$optarg ;;
 232                 *) echo '***' Can only configure for one host at a time.  1>&2
 233                    fatal=yes
 234                    ;;
 235                 esac
 236                 ;;
 237         --nfp | --nf*)
 238                 floating_point=no
 239                 floating_pointoption="--nfp"
 240                 ;;
 241         --norecursion | --no*)
 242                 norecursion=yes
 243                 ;;
 244         --prefix* | --pre*)
 245                 prefix=$optarg
 246                 prefixoption="--prefix=$optarg"
 247                 ;;
 248         --program-prefix* | --program-p*)
 249                 program_prefix=$optarg
 250                 program_prefixoption="--program-prefix=$optarg"
 251                 ;;
 252         --program-suffix* | --program-s*)
 253                 program_suffix=$optarg
 254                 program_suffixoption="--program-suffix=$optarg"
 255                 ;;
 256         --program-transform-name* | --program-t*)
 257                 # Double any backslashes or dollar signs in the argument
 258                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 259                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 260                 ;;
 261         --rm)
 262                 removing=--rm
 263                 ;;
 264         --silent | --sil* | --quiet | --q*)
 265                 redirect=">/dev/null"
 266                 verbose=--silent
 267                 ;;
 268         --site* | --sit*)
 269                 site=$optarg
 270                 site_option="--site=$optarg"
 271                 ;;
 272         --srcdir*/ | --sr*/)
 273                 # Remove trailing slashes.  Otherwise, when the file name gets
 274                 # bolted into an object file as debug info, it has two slashes
 275                 # in it.  Ordinarily this is ok, but emacs takes double slash
 276                 # to mean "forget the first part".
 277                 srcdir=`echo $optarg | sed -e 's:/$::'`
 278                 ;;
 279         --srcdir* | --sr*)
 280                 srcdir=$optarg
 281                 ;;
 282         --target* | --ta*)
 283                 case $target_alias in
 284                 NOTARGET) target_alias=$optarg ;;
 285                 *) echo '***' Can only configure for one target at a time.  1>&2
 286                    fatal=yes
 287                    ;;
 288                 esac
 289                 ;;
 290         --tmpdir* | --tm*)
 291                 TMPDIR=$optarg
 292                 tmpdiroption="--tmpdir=$optarg"
 293                 ;;
 294         --verbose | --v | --verb*)
 295                 redirect=
 296                 verbose=--verbose
 297                 ;;
 298         --version | --V | --vers*)
 299                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 300                 exit 0
 301                 ;;
 302         --with-*)
 303                 case "$option" in
 304                 *=*)    ;;
 305                 *)      optarg=yes ;;
 306                 esac
 307
 308                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 309                 eval $withopt="$optarg"
 310                 withoptions="$withoptions $option"
 311                 ;;
 312         --without-*)
 313                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 314                 eval $withopt=no
 315                 withoutoptions="$withoutoptions $option"
 316                 ;;
 317         --x)    with_x=yes
 318                 withoptions="$withoptions --with-x"
 319                 ;;
 320         --x-i* | --x-l*) other_options="$other_options $orig_option"
 321                 ;;
 322         --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 323                 # These options were added to autoconf for emacs.
 324                 ;;
 325         --*)
 326                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 327                 exit 1
 328                 ;;
 329         *)
 330                 case $undefs in
 331                 NOUNDEFS) undefs=$option ;;
 332                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 333                    fatal=yes
 334                    ;;
 335                 esac
 336                 ;;
 337         esac
 338 done
 339
 340 # process host and target
 341
 342 # Do some error checking and defaulting for the host and target type.
 343 # The inputs are:
 344 #    configure --host=HOST --target=TARGET UNDEFS
 345 #
 346 # The rules are:
 347 # 1. You aren't allowed to specify --host, --target, and undefs at the
 348 #    same time.
 349 # 2. Host defaults to undefs.
 350 # 3. If undefs is not specified, then host defaults to the current host,
 351 #    as determined by config.guess.
 352 # 4. Target defaults to undefs.
 353 # 5. If undefs is not specified, then target defaults to host.
 354
 355 case "${fatal}" in
 356 "")
 357         # Make sure that host, target & undefs aren't all specified at the
 358         # same time.
 359         case $host_alias---$target_alias---$undefs in
 360         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 361                 ;;
 362         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 363            fatal=yes
 364            break 2
 365                 ;;
 366         esac
 367
 368         # Now, do defaulting for host.
 369         case $host_alias in
 370         NOHOST)
 371                 case $undefs in
 372                 NOUNDEFS)
 373                         # Neither --host option nor undefs were present.
 374                         # Call config.guess.
 375                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 376                         if host_alias=`${config_shell} ${guesssys}`
 377                         then
 378                                 # If the string we are going to use for
 379                                 # the target is a prefix of the string
 380                                 # we just guessed for the host, then
 381                                 # assume we are running native, and force
 382                                 # the same string for both target and host.
 383                                 case $target_alias in
 384                                 NOTARGET) ;;
 385                                 *)
 386                                         if expr $host_alias : $target_alias >/dev/null
 387                                         then
 388                                                 host_alias=$target_alias
 389                                         fi
 390                                         ;;
 391                                 esac
 392                                 echo "Configuring for a ${host_alias} host." 1>&2
 393                                 arguments="--host=$host_alias $arguments"
 394                         else
 395                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 396                                 fatal=yes
 397                         fi
 398                         ;;
 399                 *)
 400                         host_alias=$undefs
 401                         arguments="--host=$host_alias $arguments"
 402                         undefs=NOUNDEFS
 403                         ;;
 404                 esac
 405         esac
 406
 407         # Do defaulting for target.  If --target option isn't present, default
 408         # to undefs.  If undefs isn't present, default to host.
 409         case $target_alias in
 410         NOTARGET)
 411                 case $undefs in
 412                 NOUNDEFS)
 413                         target_alias=$host_alias
 414                         ;;
 415                 *)
 416                         target_alias=$undefs
 417                         arguments="--target=$target_alias $arguments"
 418                         ;;
 419                 esac
 420         esac
 421         ;;
 422 *) ;;
 423 esac
 424
 425 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 426         exec 1>&2
 427         echo Usage: configure [OPTIONS] [HOST]
 428         echo
 429         echo Options: [defaults in brackets]
 430         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 431         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 432         echo ' --help                    print this message [normal config]'
 433         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 434         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 435         echo ' --norecursion             configure this directory only [recurse]'
 436         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 437         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 438         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 439         echo ' --site=SITE               configure with site-specific makefile for SITE'
 440         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 441         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 442         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 443         echo ' --nfp                     configure for software floating point [hard float]'
 444         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 445         echo ' --without-FOO             package FOO is NOT available'
 446         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 447         echo ' --disable-FOO             do not include feature FOO'
 448         echo
 449         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 450         echo
 451         if [ -r config.status ] ; then
 452                 cat config.status
 453         fi
 454
 455         exit 1
 456 fi
 457
 458 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 459 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 460
 461 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 462 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 463         true
 464 else
 465         echo '***' cannot find config.sub.  1>&2
 466         exit 1
 467 fi
 468
 469 touch config.junk
 470 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 471         true
 472 else
 473         echo '***' cannot find move-if-change.  1>&2
 474         exit 1
 475 fi
 476 rm -f config.junk config.trash
 477
 478 case "${srcdir}" in
 479 "")
 480         if [ -r configure.in ] ; then
 481                 srcdir=.
 482         else
 483                 if [ -r ${progname}.in ] ; then
 484                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 485                 else
 486                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 487                         exit 1
 488                 fi
 489         fi
 490         ;;
 491 *)
 492         # Set srcdir to "." if that's what it is.
 493         # This is important for multilib support.
 494         if [ ! -d ${srcdir} ] ; then
 495                 echo "Invalid source directory ${srcdir}" >&2
 496                 exit 1
 497         fi
 498         pwd=`pwd`
 499         srcpwd=`cd ${srcdir} ; pwd`
 500         if [ "${pwd}" = "${srcpwd}" ] ; then
 501                 srcdir=.
 502         fi
 503 esac
 504
 505 ### warn about some conflicting configurations.
 506
 507 case "${srcdir}" in
 508 ".") ;;
 509 *)
 510         if [ -f ${srcdir}/config.status ] ; then
 511                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 512                 exit 1
 513         fi
 514 esac
 515
 516 # default exec_prefix
 517 case "${exec_prefixoption}" in
 518 "") exec_prefix="\$(prefix)" ;;
 519 *) ;;
 520 esac
 521
 522 ### break up ${srcdir}/configure.in.
 523 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 524 "")
 525         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 526         # Check for a directory that's been converted to use autoconf since
 527         # it was last configured.
 528         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 529           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 530           if [ -r ${srcdir}/configure ] ; then
 531             echo '***' Running the local configure script. 1>&2
 532             case "${cache_file}" in
 533             "") cache_file_option= ;;
 534             *)  cache_file_option="--cache-file=${cache_file}" ;;
 535             esac
 536             srcdiroption="--srcdir=${srcdir}"
 537             case "${build_alias}" in
 538             "") buildopt= ;;
 539             *)  buildopt="--build=${build_alias}" ;;
 540             esac
 541             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 542                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 543                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 544                 ${srcdiroption} \
 545                 ${program_prefixoption} ${program_suffixoption} \
 546                 ${program_transform_nameoption} ${site_option} \
 547                 ${withoptions} ${withoutoptions} \
 548                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 549                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 550           else
 551             echo '***' There is no configure script present though. 1>&2
 552           fi
 553         fi
 554         exit 1
 555         ;;
 556 *) ;;
 557 esac
 558
 559 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 560 "")
 561         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 562         exit 1
 563         ;;
 564 *) ;;
 565 esac
 566
 567 case "${TMPDIR}" in
 568 "") TMPDIR=/tmp ; export TMPDIR ;;
 569 *) ;;
 570 esac
 571
 572 # keep this filename short for &%*%$*# 14 char file names
 573 tmpfile=${TMPDIR}/cONf$$
 574 # Note that under many versions of sh a trap handler for 0 will *override* any
 575 # exit status you explicitly specify!  At this point, the only non-error exit
 576 # is at the end of the script; these actions are duplicated there, minus
 577 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 578 # trap handler, or you'll lose.
 579 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 580
 581 # split ${srcdir}/configure.in into common, per-host, per-target,
 582 # and post-target parts.  Post-target is optional.
 583 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 584 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 585 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 586   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 587   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 588 else
 589   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 590   echo >${tmpfile}.pos
 591 fi
 592
 593 ### do common part of configure.in
 594
 595 . ${tmpfile}.com
 596
 597 # some sanity checks on configure.in
 598 case "${srctrigger}" in
 599 "")
 600         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 601         exit 1
 602         ;;
 603 *) ;;
 604 esac
 605
 606 case "${build_alias}" in
 607 "")
 608         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 609             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 610             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 611             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 612             build=${build_cpu}-${build_vendor}-${build_os}
 613             build_alias=${host_alias}
 614         fi
 615         ;;
 616 *)
 617         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 618             buildopt="--build=${build_alias}"
 619             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 620             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 621             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 622             build=${build_cpu}-${build_vendor}-${build_os}
 623         else
 624             echo "Unrecognized build system name ${build_alias}." 1>&2
 625             exit 1
 626         fi
 627         ;;
 628 esac
 629
 630 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 631     true
 632 else
 633     echo "Unrecognized host system name ${host_alias}." 1>&2
 634     exit 1
 635 fi
 636 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 637 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 638 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 639 host=${host_cpu}-${host_vendor}-${host_os}
 640
 641 . ${tmpfile}.hst
 642
 643 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 644     true
 645 else
 646     echo "Unrecognized target system name ${target_alias}." 1>&2
 647     exit 1
 648 fi
 649 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 650 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 651 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 652 target=${target_cpu}-${target_vendor}-${target_os}
 653
 654 . ${tmpfile}.tgt
 655
 656 # Find the source files, if location was not specified.
 657 case "${srcdir}" in
 658 "")
 659         srcdirdefaulted=1
 660         srcdir=.
 661         if [ ! -r ${srctrigger} ] ; then
 662                 srcdir=..
 663         fi
 664         ;;
 665 *) ;;
 666 esac
 667
 668 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 669         case "${srcdirdefaulted}" in
 670         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 671         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 672         esac
 673
 674         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 675         exit 1
 676 fi
 677
 678 # Some systems (e.g., one of the i386-aix systems the gas testers are
 679 # using) don't handle "\$" correctly, so don't use it here.
 680 tooldir='$(exec_prefix)'/${target_alias}
 681
 682 if [ "${host_alias}" != "${target_alias}" ] ; then
 683     if [ "${program_prefixoption}" = "" ] ; then
 684         if [ "${program_suffixoption}" = "" ] ; then
 685             if [ "${program_transform_nameoption}" = "" ] ; then
 686                 program_prefix=${target_alias}- ;
 687             fi
 688         fi
 689     fi
 690 fi
 691
 692 # Merge program_prefix and program_suffix onto program_transform_name.
 693 # (program_suffix used to use $, but it's hard to preserve $ through both
 694 # make and sh.)
 695 if [ "${program_suffix}" != "" ] ; then
 696     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 697 fi
 698
 699 if [ "${program_prefix}" != "" ] ; then
 700     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 701 fi
 702
 703 # If CC and CXX are not set in the environment, and the Makefile
 704 # exists, try to extract them from it.  This is to handle running
 705 # ./config.status by hand.
 706 if [ -z "${CC}" -a -r Makefile ]; then
 707   sed -n -e ':loop
 708 /\\$/ N
 709 s/\\\n//g
 710 t loop
 711 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 712   CC=`tail -1 Makefile.cc`
 713   rm -f Makefile.cc
 714 fi
 715
 716 if [ -z "${CFLAGS}" -a -r Makefile ]; then
 717   sed -n -e ':loop
 718 /\\$/ N
 719 s/\\\n//g
 720 t loop
 721 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 722   CFLAGS=`tail -1 Makefile.cc`
 723   rm -f Makefile.cc
 724 fi
 725
 726 if [ -z "${CXX}" -a -r Makefile ]; then
 727   sed -n -e ':loop
 728 /\\$/ N
 729 s/\\\n//g
 730 t loop
 731 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 732   CXX=`tail -1 Makefile.cc`
 733   rm -f Makefile.cc
 734 fi
 735
 736 if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
 737   sed -n -e ':loop
 738 /\\$/ N
 739 s/\\\n//g
 740 t loop
 741 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 742   CXXFLAGS=`tail -1 Makefile.cc`
 743   rm -f Makefile.cc
 744 fi
 745
 746 # Generate a default definition for YACC.  This is used if the makefile can't
 747 # locate bison or byacc in objdir.
 748
 749 for prog in 'bison -y' byacc yacc
 750 do
 751   set dummy $prog; tmp=$2
 752   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 753   for dir in $PATH; do
 754     test -z "$dir" && dir=.
 755     if test -f $dir/$tmp; then
 756       DEFAULT_YACC="$prog"
 757       break
 758     fi
 759   done
 760   IFS="$save_ifs"
 761
 762   test -n "$DEFAULT_YACC" && break
 763 done
 764
 765 # Generate a default definition for LEX.  This is used if the makefile can't
 766 # locate flex in objdir.
 767
 768 for prog in flex lex
 769 do
 770   set dummy $prog; tmp=$2
 771   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 772   for dir in $PATH; do
 773     test -z "$dir" && dir=.
 774     if test -f $dir/$tmp; then
 775       DEFAULT_LEX="$prog"
 776       break
 777     fi
 778   done
 779   IFS="$save_ifs"
 780
 781   test -n "$DEFAULT_LEX" && break
 782 done
 783
 784 if [ "${build}" != "${host}" ]; then
 785   # If we are doing a Canadian Cross, in which the host and build systems
 786   # are not the same, we set reasonable default values for the tools.
 787
 788   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 789   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 790   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 791   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 792   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 793   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 794
 795   for var in ${tools}; do
 796     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
 797       sed -n -e ':loop
 798 /\\$/ N
 799 s/\\\n//g
 800 t loop
 801 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 802         < Makefile > Makefile.v
 803       t=`tail -1 Makefile.v`
 804       if [ -n "${t}" ]; then
 805         eval "${var}='${t}'"
 806       fi
 807       rm -f Makefile.v
 808     fi
 809   done
 810
 811   AR=${AR-${host_alias}-ar}
 812   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 813   AS=${AS-${host_alias}-as}
 814   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 815   BISON=${BISON-bison}
 816   CC=${CC-${host_alias}-gcc}
 817   CFLAGS=${CFLAGS-"-g -O2"}
 818   CXX=${CXX-${host_alias}-c++}
 819   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 820   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 821   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 822   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 823   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 824   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 825   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 826   HOST_PREFIX=${build_alias}-
 827   HOST_PREFIX_1=${build_alias}-
 828   LD=${LD-${host_alias}-ld}
 829   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 830   MAKEINFO=${MAKEINFO-makeinfo}
 831   NM=${NM-${host_alias}-nm}
 832   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 833   RANLIB=${RANLIB-${host_alias}-ranlib}
 834   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 835   WINDRES=${WINDRES-${host_alias}-windres}
 836   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 837
 838   if [ -z "${YACC}" ]; then
 839     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 840     for dir in $PATH; do
 841       test -z "$dir" && dir=.
 842       if test -f $dir/bison; then
 843         YACC="bison -y"
 844         break
 845       fi
 846       if test -f $dir/byacc; then
 847         YACC=byacc
 848         break
 849       fi
 850       if test -f $dir/yacc; then
 851         YACC=yacc
 852         break
 853       fi
 854     done
 855     IFS="$save_ifs"
 856     if [ -z "${YACC}" ]; then
 857       YACC="bison -y"
 858     fi
 859   fi
 860
 861   if [ -z "${LEX}" ]; then
 862     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 863     for dir in $PATH; do
 864       test -z "$dir" && dir=.
 865       if test -f $dir/flex; then
 866         LEX=flex
 867         break
 868       fi
 869       if test -f $dir/lex; then
 870         LEX=lex
 871         break
 872       fi
 873     done
 874     IFS="$save_ifs"
 875     LEX=${LEX-flex}
 876   fi
 877
 878   # Export variables which autoconf might try to set.
 879   export AS
 880   export AR
 881   export CC_FOR_BUILD
 882   export DLLTOOL
 883   export LD
 884   export NM
 885   export RANLIB
 886   export WINDRES
 887 else
 888   # If CC is still not set, try to get gcc.
 889   if [ -z "${CC}" ]; then
 890     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 891     for dir in $PATH; do
 892       test -z "$dir" && dir=.
 893       if test -f $dir/gcc; then
 894         CC="gcc"
 895         echo 'void f(){}' > conftest.c
 896         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
 897           CFLAGS=${CFLAGS-"-g -O2"}
 898           CXXFLAGS=${CFLAGS-"-g -O2"}
 899         else
 900           CFLAGS=${CFLAGS-"-O2"}
 901           CXXFLAGS=${CFLAGS-"-O2"}
 902         fi
 903         rm -f conftest*
 904         break
 905       fi
 906     done
 907     IFS="$save_ifs"
 908     CC=${CC-cc}
 909   fi
 910
 911   CXX=${CXX-"c++"}
 912   CFLAGS=${CFLAGS-"-g"}
 913   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 914 fi
 915
 916 export CC
 917 export CXX
 918 export CFLAGS
 919 export CXXFLAGS
 920
 921 # FIXME: This should be in configure.in, not configure
 922 case "$host" in
 923         *go32*)
 924             enable_gdbtk=no ;;
 925         *msdosdjgpp*)
 926             enable_gdbtk=no ;;
 927         *cygwin32*)
 928             enable_gdbtk=no ;;
 929 esac
 930
 931 # FIXME: This should be in configure.in, not configure
 932 # Determine whether gdb needs tk/tcl or not.
 933 if [ "$enable_gdbtk" != "no" ]; then
 934         GDB_TK="all-tcl all-tk all-itcl all-tix"
 935 else
 936         GDB_TK=""
 937 fi
 938
 939 for subdir in . ${subdirs} ; do
 940
 941     # ${subdir} is relative path from . to the directory we're currently
 942     # configuring.
 943     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 944     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 945
 946     ### figure out what to do with srcdir
 947     case "${srcdir}" in
 948         ".")  # no -srcdir option.  We're building in place.
 949                 makesrcdir=. ;;
 950         /*) # absolute path
 951                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 952                 ;;
 953         *) # otherwise relative
 954                 case "${subdir}" in
 955                 .) makesrcdir=${srcdir} ;;
 956                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 957                 esac
 958                 ;;
 959     esac
 960
 961     if [ "${subdir}/" != "./" ] ; then
 962         Makefile=${subdir}/Makefile
 963     fi
 964
 965     if [ ! -d ${subdir} ] ; then
 966         if mkdir ${subdir} ; then
 967                 true
 968         else
 969                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 970                 exit 1
 971         fi
 972     fi
 973
 974     case "${removing}" in
 975     "")
 976         case "${subdir}" in
 977         .) ;;
 978         *) eval echo Building in ${subdir} ${redirect} ;;
 979         esac
 980
 981         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 982         # Set up the list of links to be made.
 983         # ${links} is the list of link names, and ${files} is the list of names to link to.
 984
 985         # Make the links.
 986         configlinks="${links}"
 987         if [ -r ${subdir}/config.status ] ; then
 988                 mv -f ${subdir}/config.status ${subdir}/config.back
 989         fi
 990         while [ -n "${files}" ] ; do
 991                 # set file to car of files, files to cdr of files
 992                 set ${files}; file=$1; shift; files=$*
 993                 set ${links}; link=$1; shift; links=$*
 994
 995                 if [ ! -r ${srcdir}/${file} ] ; then
 996                   if [ ! -r ${file} ] ; then
 997
 998                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 999                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1000                         exit 1
1001                   else
1002                         srcfile=${file}
1003                   fi
1004                 else
1005                         srcfile=${srcdir}/${file}
1006                 fi
1007
1008                 ${remove} -f ${link}
1009                 # Make a symlink if possible, otherwise try a hard link
1010                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1011                         true
1012                 else
1013                         # We need to re-remove the file because Lynx leaves a
1014                         # very strange directory there when it fails an NFS symlink.
1015                         ${remove} -r -f ${link}
1016                         ${hard_link} ${srcfile} ${link}
1017                 fi
1018                 if [ ! -r ${link} ] ; then
1019                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1020                         exit 1
1021                 fi
1022
1023                 echo "Linked \"${link}\" to \"${srcfile}\"."
1024         done
1025
1026         # Create a .gdbinit file which runs the one in srcdir
1027         # and tells GDB to look there for source files.
1028
1029         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1030                 case ${srcdir} in
1031                 .) ;;
1032                 *) cat > ${subdir}/.gdbinit <<EOF
1033 # ${NO_EDIT}
1034 dir ${makesrcdir}
1035 dir .
1036 source ${makesrcdir}/.gdbinit
1037 EOF
1038                         ;;
1039                 esac
1040         fi
1041
1042         # Install a makefile, and make it set VPATH
1043         # if necessary so that the sources are found.
1044         # Also change its value of srcdir.
1045         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1046         # been somewhat optimized and is perhaps a bit twisty.
1047
1048         # code is order so as to try to sed the smallest input files we know.
1049         # so do these separately because I don't trust the order of sed -e expressions.
1050
1051         # the five makefile fragments MUST end up in the resulting Makefile in this order:
1052         # package macros, target, host, site, and package rules.
1053
1054         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1055
1056             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1057             rm -f ${subdir}/${Makefile}.tem
1058             case "${package_makefile_rules_frag}" in
1059               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1060               *)
1061                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1062                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1063                       fi
1064                       if [ -f ${package_makefile_rules_frag} ] ; then
1065                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1066                       else
1067                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1068                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1069                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1070                       fi
1071             esac
1072             # working copy now in ${Makefile}.tem
1073
1074             # Conditionalize for this site.
1075             rm -f ${Makefile}
1076               case "${site}" in
1077               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1078               *)
1079                       site_makefile_frag=${srcdir}/config/ms-${site}
1080
1081                       if [ -f ${site_makefile_frag} ] ; then
1082                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1083                                       > ${Makefile}
1084                       else
1085                               mv ${subdir}/Makefile.tem ${Makefile}
1086                               site_makefile_frag=
1087                       fi
1088                       ;;
1089             esac
1090             # working copy now in ${Makefile}
1091
1092             # Conditionalize the makefile for this host.
1093             rm -f ${subdir}/Makefile.tem
1094             case "${host_makefile_frag}" in
1095               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1096               *)
1097                       if [ ! -f ${host_makefile_frag} ] ; then
1098                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1099                       fi
1100                       if [ -f ${host_makefile_frag} ] ; then
1101                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1102                       else
1103                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1104                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1105                               mv ${Makefile} ${subdir}/Makefile.tem
1106                       fi
1107             esac
1108             # working copy now in ${subdir)/Makefile.tem
1109
1110             # Conditionalize the makefile for this target.
1111             rm -f ${Makefile}
1112             case "${target_makefile_frag}" in
1113               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1114               *)
1115                       if [ ! -f ${target_makefile_frag} ] ; then
1116                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1117                       fi
1118                       if [ -f ${target_makefile_frag} ] ; then
1119                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1120                       else
1121                               mv ${subdir}/Makefile.tem ${Makefile}
1122                               target_makefile_frag=
1123                       fi
1124                       ;;
1125             esac
1126             # working copy now in ${Makefile}
1127
1128             # Emit the default values of this package's macros.
1129             rm -f ${subdir}/Makefile.tem
1130             case "${package_makefile_frag}" in
1131               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1132               *)
1133                       if [ ! -f ${package_makefile_frag} ] ; then
1134                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1135                       fi
1136                       if [ -f ${package_makefile_frag} ] ; then
1137                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1138                       else
1139                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1140                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1141                               mv ${Makefile} ${subdir}/Makefile.tem
1142                       fi
1143             esac
1144             # real copy now in ${subdir}/Makefile.tem
1145
1146             # prepend warning about editting, and a bunch of variables.
1147             rm -f ${Makefile}
1148             cat > ${Makefile} <<EOF
1149 # ${NO_EDIT}
1150 VPATH = ${makesrcdir}
1151 links = ${configlinks}
1152 host_alias = ${host_alias}
1153 host_cpu = ${host_cpu}
1154 host_vendor = ${host_vendor}
1155 host_os = ${host_os}
1156 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1157 target_alias = ${target_alias}
1158 target_cpu = ${target_cpu}
1159 target_vendor = ${target_vendor}
1160 target_os = ${target_os}
1161 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1162 EOF
1163             case "${build}" in
1164               "") ;;
1165               *)  cat >> ${Makefile} << EOF
1166 build_alias = ${build_alias}
1167 build_cpu = ${build_cpu}
1168 build_vendor = ${build_vendor}
1169 build_os = ${build_os}
1170 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1171 EOF
1172             esac
1173
1174             case "${package_makefile_frag}" in
1175               "") ;;
1176               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1177               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1178             esac
1179
1180             case "${target_makefile_frag}" in
1181               "") ;;
1182               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1183               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1184             esac
1185
1186             case "${host_makefile_frag}" in
1187               "") ;;
1188               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1189               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1190             esac
1191
1192             if [ "${site_makefile_frag}" != "" ] ; then
1193                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1194             fi
1195
1196             # provide a proper gxx_include_dir to all subdirs.
1197             # Note, if you change the default, make sure to fix both here
1198             # and in the gcc subdirectory.
1199             if test -z "${with_gxx_include_dir}"; then
1200                 echo gxx_include_dir = '${prefix}/include/g++' >> ${Makefile}
1201             else
1202                 echo gxx_include_dir = ${with_gxx_include_dir} >> ${Makefile}
1203             fi
1204
1205             # record if we want to build shared libs.
1206             if test -z "${enable_shared}"; then
1207                 echo enable_shared = no >> ${Makefile}
1208             else
1209                 echo enable_shared = ${enable_shared} >> ${Makefile}
1210             fi
1211
1212             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1213             # remove any form feeds.
1214             if [ -z "${subdirs}" ]; then
1215                 rm -f ${subdir}/Makefile.tm2
1216                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1217                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1218                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1219                 rm -f ${subdir}/Makefile.tem
1220                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1221             fi
1222             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1223                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1224                     -e "/^CC[   ]*=/{
1225                         :loop1
1226                         /\\\\$/ N
1227                         s/\\\\\\n//g
1228                         t loop1
1229                         s%^CC[  ]*=.*$%CC = ${CC}%
1230                         }" \
1231                     -e "/^CXX[  ]*=/{
1232                         :loop2
1233                         /\\\\$/ N
1234                         s/\\\\\\n//g
1235                         t loop2
1236                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1237                         }" \
1238                     -e "/^CFLAGS[       ]*=/{
1239                         :loop3
1240                         /\\\\$/ N
1241                         s/\\\\\\n//g
1242                         t loop3
1243                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1244                         }" \
1245                     -e "/^CXXFLAGS[     ]*=/{
1246                         :loop4
1247                         /\\\\$/ N
1248                         s/\\\\\\n//g
1249                         t loop4
1250                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1251                         }" \
1252                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1253                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1254                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1255                     -e "s/\f//" \
1256                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1257                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1258                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1259                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1260                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1261                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1262                     ${subdir}/Makefile.tem >> ${Makefile}
1263
1264             # If this is a Canadian Cross, preset the values of many more
1265             # tools.
1266             if [ "${build}" != "${host}" ]; then
1267                 for var in ${tools}; do
1268                     val=`eval 'echo $'"${var}"`
1269                     sed -e "/^${var}[   ]*=/{
1270                            :loop1
1271                            /\\\\$/ N
1272                            /\\\\$/ b loop1
1273                            s/\\\\\\n//g
1274                            s%^${var}[   ]*=.*$%${var} = ${val}%
1275                            }" ${Makefile} > ${Makefile}.tem
1276                     mv -f ${Makefile}.tem ${Makefile}
1277                 done
1278             fi
1279
1280             # final copy now in ${Makefile}
1281
1282         else
1283            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1284         fi
1285
1286         rm -f ${subdir}/Makefile.tem
1287
1288         case "${host_makefile_frag}" in
1289         "") using= ;;
1290         *) using="and \"${host_makefile_frag}\"" ;;
1291         esac
1292
1293         case "${target_makefile_frag}" in
1294         "") ;;
1295         *) using="${using} and \"${target_makefile_frag}\"" ;;
1296         esac
1297
1298         case "${site_makefile_frag}" in
1299         "") ;;
1300         *) using="${using} and \"${site_makefile_frag}\"" ;;
1301         esac
1302
1303         newusing=`echo "${using}" | sed 's/and/using/'`
1304         using=${newusing}
1305         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1306
1307         . ${tmpfile}.pos
1308
1309         # describe the chosen configuration in config.status.
1310         # Make that file a shellscript which will reestablish
1311         # the same configuration.  Used in Makefiles to rebuild
1312         # Makefiles.
1313
1314         case "${norecursion}" in
1315         "") arguments="${arguments} --norecursion" ;;
1316         *) ;;
1317         esac
1318
1319         if [ ${subdir} = . ] ; then
1320             echo "#!/bin/sh
1321 # ${NO_EDIT}
1322 # This directory was configured as follows:
1323 ${progname}" ${arguments}  "
1324 # ${using}" > ${subdir}/config.new
1325         else
1326             echo "#!/bin/sh
1327 # ${NO_EDIT}
1328 # This directory was configured as follows:
1329 cd ${invsubdir}
1330 ${progname}" ${arguments}  "
1331 # ${using}" > ${subdir}/config.new
1332         fi
1333         chmod a+x ${subdir}/config.new
1334         if [ -r ${subdir}/config.back ] ; then
1335                 mv -f ${subdir}/config.back ${subdir}/config.status
1336         fi
1337         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1338         ;;
1339
1340     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1341     esac
1342 done
1343
1344 # If there are subdirectories, then recur.
1345 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1346         for configdir in ${configdirs} ; do
1347
1348                 if [ -d ${srcdir}/${configdir} ] ; then
1349                         eval echo Configuring ${configdir}... ${redirect}
1350                         case "${srcdir}" in
1351                         ".") ;;
1352                         *)
1353                                 if [ ! -d ./${configdir} ] ; then
1354                                         if mkdir ./${configdir} ; then
1355                                                 true
1356                                         else
1357                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1358                                                 exit 1
1359                                         fi
1360                                 fi
1361                                 ;;
1362                         esac
1363
1364                         POPDIR=${PWD=`pwd`}
1365                         cd ${configdir}
1366
1367 ### figure out what to do with srcdir
1368                         case "${srcdir}" in
1369                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1370                         /*) # absolute path
1371                                 newsrcdir=${srcdir}/${configdir}
1372                                 srcdiroption="--srcdir=${newsrcdir}"
1373                                 ;;
1374                         ?:*) # absolute path on win32
1375                                 newsrcdir=${srcdir}/${configdir}
1376                                 srcdiroption="--srcdir=${newsrcdir}"
1377                                 ;;
1378                         *) # otherwise relative
1379                                 newsrcdir=../${srcdir}/${configdir}
1380                                 srcdiroption="--srcdir=${newsrcdir}"
1381                                 ;;
1382                         esac
1383
1384                         # Handle --cache-file=../XXX
1385                         case "${cache_file}" in
1386                         "") # empty
1387                                 ;;
1388                         /*) # absolute path
1389                                 cache_file_option="--cache-file=${cache_file}"
1390                                 ;;
1391                         ?:*) # absolute path on win32
1392                                 cache_file_option="--cache-file=${cache_file}"
1393                                 ;;
1394                         *) # relative path
1395                                 cache_file_option="--cache-file=../${cache_file}"
1396                                 ;;
1397                         esac
1398
1399 ### check for guested configure, otherwise fix possibly relative progname
1400                         if [ -f ${newsrcdir}/configure ] ; then
1401                                 recprog=${newsrcdir}/configure
1402                         elif [ -f ${newsrcdir}/configure.in ] ; then
1403                                 case "${progname}" in
1404                                 /*)     recprog=${progname} ;;
1405                                 ?:*)    recprog=${progname} ;;
1406                                 *)      recprog=../${progname} ;;
1407                                 esac
1408                         else
1409                                 eval echo No configuration information in ${configdir} ${redirect}
1410                                 recprog=
1411                         fi
1412
1413 ### The recursion line is here.
1414                         if [ ! -z "${recprog}" ] ; then
1415                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1416                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1417                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1418                                         true
1419                                 else
1420                                         echo Configure in `pwd` failed, exiting. 1>&2
1421                                         exit 1
1422                                 fi
1423                         fi
1424
1425                         cd ${POPDIR}
1426                 fi
1427         done
1428 fi
1429
1430 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1431 # and reset the trap handler.
1432 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1433 trap 0
1434
1435 exit 0
1436
1437 #
1438 # Local Variables:
1439 # fill-column: 131
1440 # End:
1441 #
1442
1443 # end of configure