configure

   1 #!/bin/sh
   2
   3 # Configuration script
   4 #   Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
   5
   6 #This file is part of GNU.
   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 #
  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 # NOTE: This script contains support for a Cygnus experimental feature, called
  35 # +subdirs, which is currently, tentatively, de-supported.
  36
  37 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  38
  39 remove=rm
  40 hard_link=ln
  41 symbolic_link='ln -s'
  42
  43 #for Test
  44 #remove="echo rm"
  45 #hard_link="echo ln"
  46 #symbolic_link="echo ln -s"
  47
  48 # clear some things potentially inherited from environment.
  49
  50 Makefile=Makefile
  51 Makefile_in=Makefile.in
  52 arguments=$*
  53 commontargets=
  54 configdirs=
  55 datadir=
  56 datadiroption=
  57 defaulttargets=
  58 fatal=
  59 floating_point=default
  60 gas=default
  61 hosts=
  62 next_prefix=
  63 next_host=
  64 next_site=
  65 next_srcdir=
  66 next_target=
  67 next_tmpdir=
  68 norecursion=
  69 prefix=/usr/local
  70 progname=
  71 recurring=
  72 removing=
  73 srcdir=
  74 srctrigger=
  75 target=
  76 targets=
  77 undefinedargs=
  78 verbose=
  79 version="$Revision$"
  80 x11=default
  81
  82 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  83
  84 ## this is a little touchy and won't always work, but...
  85 ##
  86 ## if the argv[0] starts with a slash then it is an absolute name that can be
  87 ## used as is.
  88 ##
  89 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  90 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  91 ##
  92 ## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
  93 ## path.
  94 ##
  95
  96 PWD=`pwd`
  97
  98 if echo $0 | grep '^/' > /dev/null ; then
  99         progname=$0
 100 elif echo $0 | grep '/' > /dev/null ; then
 101         progname=${PWD}/$0
 102 else
 103         progname=$0
 104         PATH=$PATH:${PWD} ; export PATH
 105 fi
 106
 107 for arg in $*;
 108 do
 109         # handle things that might have args following as separate words
 110         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 111         elif [ -n "${next_datadir}" ] ; then datadir=${arg} ; datadiroption="-datadir=${datadir}" ; next_datadir=
 112         elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
 113         elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=
 114         elif [ -n "${next_target}" ] ; then
 115                 next_target=
 116                 case "${targets}" in
 117                 "")
 118                         newtargets="${targets} ${arg}"
 119                         targets="${newtargets}"
 120                         ;;
 121                 *)
 122                         echo '***' Can only configure for one target at a time.
 123                         fatal=yes
 124                         ;;
 125                 esac
 126         elif [ -n "${next_tmpdir}" ] ; then
 127                 next_tmpdir=
 128                 tmpdiroption="--tmpdir=${arg}"
 129                 TMPDIR=${arg}
 130
 131         else
 132                 case ${arg} in
 133                 -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
 134                         datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 135                         datadiroption=${arg}
 136                         ;;
 137                 -datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
 138                         next_datadir=yes
 139                         ;;
 140                 -gas | --g*)
 141                         gas=yes
 142                         ;;
 143                 -help | --he*)
 144                         fatal=true
 145                         ;;
 146                 -host=* | --host=* | --hos=* | --ho=*)
 147                         case "${hosts}" in
 148                         "")
 149                                 newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 150                                 hosts="${newhosts}"
 151                                 ;;
 152                         *)
 153                                 echo '***' Can only configure for one host at a time.
 154                                 fatal=yes
 155                                 ;;
 156                         esac
 157                         ;;
 158                 -nfp | --nf*)
 159                         floating_point=no
 160                         ;;
 161                 -norecursion | --no*)
 162                         norecursion=true
 163                         ;;
 164                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
 165                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 166                         prefixoption=${arg}
 167                         ;;
 168                 -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
 169                         next_prefix=yes
 170                         ;;
 171                 -recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
 172                         recurring=true
 173                         arguments=`echo ${arguments} | sed "s:${arg}::"`
 174                         ;;
 175                 -rm | --rm)
 176                         removing=${arg}
 177                         ;;
 178                 -site=* | --site=* | --sit=* | --si=*)
 179                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 180                         ;;
 181                 -site | --site | --sit | --si)
 182                         next_site=yes
 183                         ;;
 184                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 185                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 186                         ;;
 187                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 188                         next_srcdir=yes
 189                         ;;
 190                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 191                         case "${targets}" in
 192                         "")
 193                                 newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 194                                 targets="${newtargets}"
 195                                 ;;
 196                         *)
 197                                 echo '***' Can only configure for one target at a time.
 198                                 fatal=yes
 199                                 ;;
 200                         esac
 201                         ;;
 202                 -target | --target | --targe | --targ | --tar | --ta)
 203                         next_target=yes
 204                         ;;
 205                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 206                         tmpdiroption=${arg}
 207                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 208                         ;;
 209                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 210                         next_tmpdir=yes
 211                         ;;
 212                 -v | -verbose | --v)
 213                         verbose=${arg}
 214                         ;;
 215                 -version | -V | --version | --V)
 216                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 217                         exit 0
 218                         ;;
 219                 -x | --x) ;;
 220                 -* | --*)
 221                         (echo ;
 222                         echo "Unrecognized option: \"${arg}\"". ;
 223                         echo) 1>&2
 224                         fatal=true
 225                         ;;
 226                 *)
 227                         case "${undefs}" in
 228                         "")
 229                                 newundefs="${undefs} ${arg}"
 230                                 undefs=${newundefs}
 231                                 ;;
 232                         *)
 233                                 echo '***' Can only configure for one host and one target at a time.
 234                                 fatal=yes
 235                                 ;;
 236                         esac
 237                         ;;
 238                 esac
 239         fi
 240 done
 241
 242 # process host and target
 243 case "${fatal}" in
 244 "")
 245 #       # Complain if an arg is missing
 246 #       if [ -z "${hosts}" ] ; then
 247 #               (echo ;
 248 #               echo "configure: No HOST specified." ;
 249 #               echo) 1>&2
 250 #               fatal=true
 251 #       fi
 252
 253 ### This is a bit twisted.
 254 ### * if all three are specified, this is an error.
 255 ### * if we have neither hosts, nor unadorned args, this is an error.
 256 ### * if no hosts are specified, then the unadorned args are hosts, but if
 257 ### there were none, this is an error.
 258 ### * if no targets are specified, then the unadorned args are targets, but if
 259 ### there were no unadorned args, then the hosts are also targets.
 260
 261         if [ -n "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
 262                 echo '***' Can only configure for one host and one target at a time.
 263                 fatal=yes
 264         elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
 265                 echo '***' You must tell me for which host you want to configure.
 266                 fatal=yes
 267         else
 268                 case "${hosts}" in
 269                 "") hosts=${undefs} ;;
 270                 *) ;;
 271                 esac
 272
 273                 case "${targets}" in
 274                 "")
 275                         case "${undefs}" in
 276                         "")     targets=${hosts} ;;
 277                         *)      targets=${undefs} ;;
 278                         esac
 279                         ;;
 280                 *) ;;
 281                 esac
 282         fi
 283         ;;
 284 *) ;;
 285 esac
 286
 287 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 288         (echo "Usage: configure HOST" ;
 289         echo ;
 290         echo "Options: [defaults in brackets]" ;
 291         echo " -datadir=MYDIR   configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 292         echo " -gas             configure the compilers for use with gas. [native as]" ;
 293         echo " -help            print this message. [normal config]" ;
 294         echo " -lang=LANG       configure to build LANG. [gcc]" ;
 295         echo " -nfp             configure the compilers default to soft floating point. [hard float]" ;
 296         echo " -norecursion     configure this directory only. [recurse]" ;
 297         echo " -prefix=MYDIR    configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 298         echo " -rm              remove this configuration. [build a configuration]" ;
 299         echo " -site            configure with site specific makefile" ;
 300         echo " -srcdir=DIR      find the sources in DIR. [\".\" or \"..\"]" ;
 301         echo " -target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 302         echo " -tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 303         echo ;
 304         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 305         ) 1>&2
 306
 307         if [ -r config.status ] ; then
 308                 cat config.status
 309         fi
 310
 311         exit 1
 312 fi
 313
 314 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 315
 316 if ${configsub} `echo ${hosts} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
 317         true
 318 else
 319         echo '***' cannot find config.sub.
 320         exit 1
 321 fi
 322
 323 case "${srcdir}" in
 324 "")
 325         if [ -r configure.in ] ; then
 326                 srcdir=.
 327         else
 328                 echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
 329                 exit 1
 330         fi
 331         ;;
 332 *) ;;
 333 esac
 334
 335
 336 ### break up ${srcdir}/configure.in.
 337 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 338 "")
 339         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 340         exit 1
 341         ;;
 342 *) ;;
 343 esac
 344
 345 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 346 "")
 347         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 348         exit 1
 349         ;;
 350 *) ;;
 351 esac
 352
 353 case "${TMPDIR}" in
 354 "") TMPDIR=/tmp ; export TMPDIR ;;
 355 *) ;;
 356 esac
 357
 358 # keep this filename short for &%*%$*# 14 char file names
 359 tmpfile=${TMPDIR}/cONf$$
 360 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 361
 362 # split ${srcdir}/configure.in into common, per-host, per-target,
 363 # and post-target parts.  Post-target is optional.
 364 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 365 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 366 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 367   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 368   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 369 else
 370   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 371   echo >${tmpfile}.pos
 372 fi
 373
 374 ### do common part of configure.in
 375
 376 . ${tmpfile}.com
 377
 378 # some sanity checks on configure.in
 379 case "${srctrigger}" in
 380 "")
 381         echo '***' srctrigger not set in ${PWD}/configure.in.
 382         exit 1
 383         ;;
 384 *) ;;
 385 esac
 386
 387 for host in ${hosts} ; do
 388         # Default other arg
 389         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 390                 targets=${host}
 391                 defaulttargets=true
 392         fi
 393
 394         host_alias=${host}
 395
 396         result=`${configsub} ${host}`
 397         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 398         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 399         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 400         host=${host_cpu}-${host_vendor}-${host_os}
 401         host_makefile_frag=config/mh-${host}
 402         if [ ! -f ${host_makefile_frag} ]
 403         then
 404                 host_makefile_frag=config/mh-${host_alias}
 405         fi
 406
 407         . ${tmpfile}.hst
 408
 409         for target in ${targets} ; do
 410
 411                 target_alias=${target}
 412                 result=`${configsub} ${target}`
 413                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 414                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 415                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 416                 target=${target_cpu}-${target_vendor}-${target_os}
 417                 target_makefile_frag=config/mt-${target}
 418                 if [ ! -f ${target_makefile_frag} ]
 419                 then
 420                         target_makefile_frag=config/mt-${target_alias}
 421                 fi
 422
 423                 . ${tmpfile}.tgt
 424
 425                 case "${host_alias}" in
 426                 "${target_alias}")      subdirname=H-${host_alias} ;;
 427                 *)                      subdirname=X-${host_alias}-${target_alias} ;;
 428                 esac
 429
 430                 case "${namesubdir}" in
 431                 "") ;;
 432                 *) subdirname=${namesubdir} ;;
 433                 esac
 434
 435                 case "${removing}" in
 436                 "")
 437                         # Find the source files, if location was not specified.
 438                         case "${srcdir}" in
 439                         "")
 440                                 srcdirdefaulted=1
 441                                 srcdir=.
 442                                 if [ ! -r ${srctrigger} ] ; then
 443                                         srcdir=..
 444                                 fi
 445                                 ;;
 446                         *) ;;
 447                         esac
 448
 449                         if [ ! -r ${srcdir}/${srctrigger} ] ; then
 450                                 case "${srcdirdefaulted}" in
 451                                 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
 452                                 *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
 453                                 esac
 454
 455                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 456                                 exit 1
 457                         fi
 458
 459                         # Set up the list of links to be made.
 460                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 461
 462                         # Make the links.
 463                         while [ -n "${files}" ] ; do
 464                                 # set file to car of files, files to cdr of files
 465                                 set ${files}; file=$1; shift; files=$*
 466                                 set ${links}; link=$1; shift; links=$*
 467
 468                                 if [ ! -r ${srcdir}/${file} ] ; then
 469                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 470                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 471                                         exit 1
 472                                 fi
 473
 474                                 ${remove} -f ${link}
 475                                 rm -f config.status
 476                                 # Make a symlink if possible, otherwise try a hard link
 477                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 478
 479                                 if [ ! -r ${link} ] ; then
 480                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 481                                         exit 1
 482                                 fi
 483
 484                                 case "${verbose}" in
 485                                 "") ;;
 486                                 *)  echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
 487                                 esac
 488                         done
 489
 490                         # Create a .gdbinit file which runs the one in srcdir
 491                         # and tells GDB to look there for source files.
 492
 493                         if [ -r ${srcdir}/.gdbinit ] ; then
 494                                 case ${srcdir} in
 495                                 .)
 496                                         ;;
 497                                 *)
 498                                         echo "# "${NO_EDIT} > .gdbinit
 499                                         echo "dir ." >> .gdbinit
 500                                         echo "dir ${srcdir}" >> .gdbinit
 501                                         echo "source ${srcdir}/.gdbinit" >> .gdbinit
 502                                         ;;
 503                                 esac
 504                         fi
 505
 506                         # Install a makefile, and make it set VPATH
 507                         # if necessary so that the sources are found.
 508                         # Also change its value of srcdir.
 509
 510                 # FIXME-someday: This business of always writing to .tem and mv back
 511                 # is so that I don't screw things up while developing.  Once this
 512                 # template is stable, these should be optimized. xoxorich.
 513
 514                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 515                         case "${host}" in
 516                         "${target}") echo "ALL=all.internal" > ${Makefile} ;;
 517                         *)
 518                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 519                                 echo "ALL=all.cross" >> ${Makefile}
 520                                 ;;
 521                         esac
 522
 523                         # set target, host, VPATH
 524                         echo "host_alias = ${host_alias}" >> ${Makefile}
 525                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 526                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 527                         echo "host_os = ${host_os}" >> ${Makefile}
 528
 529                         echo "target_alias = ${target_alias}" >> ${Makefile}
 530                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 531                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 532                         echo "target_os = ${target_os}" >> ${Makefile}
 533
 534                                 echo "subdir =" >> ${Makefile}
 535                                 echo "unsubdir = ." >> ${Makefile}
 536
 537                         echo "VPATH = ${srcdir}" >> ${Makefile}
 538
 539                         # add "Makefile.in" (or whatever it's called)
 540                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 541
 542                         # Conditionalize the makefile for this site.
 543                         case "${site}" in
 544                         "") ;;
 545                         *)
 546                                 site_makefile_frag=config/ms-${site}
 547
 548                                 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 549                                         echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" > Makefile.tem
 550                                         sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile} >> Makefile.tem
 551                                 else
 552                                         echo "site_makefile_frag =" > Makefile.tem
 553                                         cat ${Makefile} >> Makefile.tem
 554                                 fi
 555                                 mv Makefile.tem ${Makefile}
 556                                 ;;
 557                         esac
 558
 559                         # Conditionalize the makefile for this host.
 560                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 561                                 echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" > Makefile.tem
 562                                 sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile} >> Makefile.tem
 563                         else
 564                                 echo "host_makefile_frag =" > Makefile.tem
 565                                 cat ${Makefile} >> Makefile.tem
 566                         fi
 567                         mv Makefile.tem ${Makefile}
 568
 569                         # Conditionalize the makefile for this target.
 570                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 571                                 echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" > Makefile.tem
 572                                 sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile} >> Makefile.tem
 573                         else
 574                                 echo "target_makefile_frag =" > Makefile.tem
 575                                 cat ${Makefile} >> Makefile.tem
 576                         fi
 577                         mv Makefile.tem ${Makefile}
 578
 579                         # set srcdir
 580                         sed "s:^srcdir[         ]*=.*$:srcdir = ${srcdir}:" ${Makefile} > Makefile.tem
 581                         mv Makefile.tem ${Makefile}
 582
 583                         # set prefix
 584                         case "${prefix}" in
 585                         "") ;;
 586                         *)
 587                                 sed "s:^prefix[         ]*=.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
 588                                 mv Makefile.tem ${Makefile}
 589                                 ;;
 590                         esac
 591
 592                         # set datadir
 593                         case "${datadir}" in
 594                         "") ;;
 595                         *)
 596                                 sed "s:^datadir[        ]*=.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
 597                                 mv Makefile.tem ${Makefile}
 598                                 ;;
 599                         esac
 600
 601                         # reset SUBDIRS
 602                         sed "s:^SUBDIRS[        ]*=.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 603                         mv Makefile.tem ${Makefile}
 604
 605                         # reset NONSUBDIRS
 606                         sed "s:^NONSUBDIRS[     ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 607                         mv Makefile.tem ${Makefile}
 608
 609                         # remove any form feeds.
 610                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 611                         mv Makefile.tem ${Makefile}
 612
 613                         # prepend warning about editting.
 614                         echo "# "${NO_EDIT} > ${Makefile}.tem
 615                         cat ${Makefile} >> ${Makefile}.tem
 616                         mv Makefile.tem ${Makefile}
 617
 618                         using=
 619                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 620                                 using="${using} and \"${host_makefile_frag}\""
 621                         fi
 622                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 623                                 using="${using} and \"${target_makefile_frag}\""
 624                         fi
 625                         case "${site}" in
 626                         "") ;;
 627                         *)
 628                                 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 629                                         using="${using} and \"${site_makefile_frag}\""
 630                                 fi
 631                                 ;;
 632                         esac
 633                         using=`echo "${using}" | sed 's/and/using/'`
 634                         using="Created \"${Makefile}\" in ${PWD}${using}."
 635
 636                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 637                                 echo ${using}
 638                         fi
 639
 640                         . ${tmpfile}.pos
 641
 642                         # describe the chosen configuration in config.status.
 643                         # Make that file a shellscript which will reestablish
 644                         # the same configuration.  Used in Makefiles to rebuild
 645                         # Makefiles.
 646
 647                         case "${norecursion}" in
 648                         "") arguments="${arguments} -norecursion" ;;
 649                         *) ;;
 650                         esac
 651
 652                         echo "#!/bin/sh
 653 # ${NO_EDIT}
 654 # ${PWD} was configured as follows:
 655 ${progname}" ${arguments}  "
 656 # ${using}" > config.status
 657                         chmod a+x config.status
 658                         ;;
 659                 *)      rm -f ${Makefile} config.status ${links} ;;
 660                 esac
 661
 662                 # If there are subdirectories, then recur.
 663                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 664                         for configdir in ${configdirs} ; do
 665                                 case "${verbose}" in
 666                                 "") ;;
 667                                 *) echo Configuring ${configdir}... ;;
 668                                 esac
 669
 670                                 if [ -d ${srcdir}/${configdir} ] ; then
 671                                         case "${srcdir}" in
 672                                         ".") ;;
 673                                         *)
 674                                                 if [ ! -d ./${configdir} ] ; then
 675                                                         mkdir ./${configdir}
 676                                                 fi
 677                                                 ;;
 678                                         esac
 679
 680                                         POPDIR=${PWD}
 681                                         cd ${configdir}
 682
 683 ### figure out what to do with srcdir & guest configure
 684                                         case "${srcdir}" in
 685                                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 686                                         /*) # absolute path
 687                                                 newsrcdir=${srcdir}/${configdir}
 688                                                 srcdiroption="-srcdir=${newsrcdir}"
 689                                                 ;;
 690                                         *) # otherwise relative
 691                                                 newsrcdir=../${srcdir}/${configdir}
 692                                                 srcdiroption="-srcdir=${newsrcdir}"
 693                                                 ;;
 694                                         esac
 695
 696 ### The recursion line is here.
 697                                         if [ -f ${newsrcdir}/configure ] ; then
 698                                                 recprog=${newsrcdir}/configure
 699                                         else
 700                                                 recprog=${progname}
 701                                         fi
 702
 703                                         if ${recprog} -recurring ${host_alias} -target=${target_alias} \
 704                                                 ${verbose} ${subdirs} ${removing} ${prefixoption} \
 705                                                 ${tmpdiroption} ${namesubdiroption} ${datadiroption} \
 706                                                 ${srcdiroption} ; then
 707                                                 true
 708                                         else
 709                                                 exit 1
 710                                         fi
 711
 712                                         cd ${POPDIR}
 713                                 else
 714                                         case "${verbose}" in
 715                                         "") ;;
 716                                         *) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
 717                                         esac
 718                                 fi
 719                         done
 720                 fi
 721         done # for each target
 722 done # for each host
 723
 724 ### clean up.
 725
 726 # trap cmd above handles this now:
 727 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 728
 729 exit 0
 730
 731 #
 732 # Local Variables:
 733 # fill-column: 131
 734 # End:
 735 #
 736
 737 # end of configure