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