configure

   1 #!/bin/sh
   2
   3 # Configuration script
   4 #   Copyright (C) 1988, 1990, 1991 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 # $Id$
  23
  24 # Please email any bugs, comments, and/or additions to this file to:
  25 # configure@cygnus.com
  26
  27 #
  28 # Shell script to create proper links to machine-dependent files in
  29 # preparation for compilation.
  30 #
  31 # If configure succeeds, it leaves its status in config.status.
  32 # If configure fails after disturbing the status quo,
  33 #       config.status is removed.
  34 #
  35
  36 # NOTE: This script contains support for a Cygnus experimental feature, called
  37 # +subdirs, which is currently, tentatively, de-supported.
  38
  39 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  40
  41 remove=rm
  42 hard_link=ln
  43 symbolic_link='ln -s'
  44
  45 #for Test
  46 #remove="echo rm"
  47 #hard_link="echo ln"
  48 #symbolic_link="echo ln -s"
  49
  50 # clear some things potentially inherited from environment.
  51
  52 Makefile=Makefile
  53 Makefile_in=Makefile.in
  54 arguments=$*
  55 commontargets=
  56 configdirs=
  57 datadir=
  58 datadiroption=
  59 defaulttargets=
  60 fatal=
  61 floating_point=default
  62 gas=default
  63 hosts=
  64 #hostsubdir=
  65 #namesubdir=
  66 next_prefix=
  67 next_host=
  68 #next_namesubdir=
  69 #next_objdir=
  70 next_site=
  71 next_srcdir=
  72 next_target=
  73 next_tmpdir=
  74 norecursion=
  75 #objdir=
  76 #objdiroption=
  77 prefix=/usr/local
  78 progname=
  79 recurring=
  80 removing=
  81 srcdir=
  82 srctrigger=
  83 target=
  84 targets=
  85 #targetsubdir=
  86 undefinedargs=
  87 verbose=
  88 version="$Revision$"
  89 x11=default
  90
  91 # or maybe grab from gcc/version.c
  92 version_path=
  93 next_version_path=
  94
  95 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  96
  97 ## this is a little touchy and won't always work, but...
  98 ##
  99 ## if the argv[0] starts with a slash then it is an absolute name that can be
 100 ## used as is.
 101 ##
 102 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 103 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 104 ##
 105 ## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
 106 ## path.
 107 ##
 108
 109 PWD=`pwd`
 110
 111 if (echo $0 | grep '^/' > /dev/null) ; then
 112         progname=$0
 113 elif (echo $0 | grep '/' > /dev/null) ; then
 114         progname=${PWD}/$0
 115 else
 116         progname=$0
 117         PATH=$PATH:${PWD} ; export PATH
 118 fi
 119
 120 for arg in $*;
 121 do
 122         # handle things that might have args following as separate words
 123         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 124         elif [ -n "${next_datadir}" ] ; then datadir=${arg} ; datadiroption="-datadir=${datadir}" ; next_datadir=
 125 #       elif [ -n "${next_namesubdir}" ] ; then \
 126 #               namesubdir=${arg} ; namesubdiroption="--namesubdir=${namesubdir}" ; next_namesubdir=
 127 #       elif [ -n "${next_objdir}" ] ; then objdir=${arg} ; objdiroption="--objdir=${objdir}" ; next_objdir=
 128         elif [ -n "${next_version_path}" ] ; then version_path=${arg} ; next_version_path=
 129         elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
 130         elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=
 131         elif [ -n "${next_target}" ] ; then
 132                 next_target=
 133                 if [ -z "${targets}" ] ; then
 134                         newtargets="${targets} ${arg}"
 135                         targets="${newtargets}"
 136                 else
 137                         echo '***' Can only configure for one target at a time.
 138                         fatal=yes
 139                 fi
 140         elif [ -n "${next_tmpdir}" ] ; then
 141                 next_tmpdir=
 142                 tmpdiroption="--tmpdir=${arg}"
 143                 TMPDIR=${arg}
 144
 145         else
 146                 case ${arg} in
 147                 -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
 148                         datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 149                         datadiroption=${arg}
 150                         ;;
 151                 -datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
 152                         next_datadir=yes
 153                         ;;
 154                 -gas | --g*)
 155                         gas=yes
 156                         ;;
 157                 -help | --he*)
 158                         fatal=true
 159                         ;;
 160                 -host=* | --host=* | --hos=* | --ho=*)
 161 #                       if [ -n "${hosts}" ] ; then
 162 #                               subdirs="--subdirs"
 163 #                       fi
 164
 165                         if [ -z "${hosts}" ] ; then
 166                                 newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 167                                 hosts="${newhosts}"
 168                         else
 169                                 echo '***' Can only configure for one host at a time.
 170                                 fatal=yes
 171                         fi
 172                         ;;
 173 #               -namesubdir | --namesubdir | --namesubdi | --namesubd | --namesub | --namesu | --names | --name | --nam | --na)
 174 #                       next_namesubdir=yes
 175 #                       ;;
 176 #               -namesubdir=* | --namesubdir=* | --namesubdi=* | --namesubd=* | --namesub=* | --namesu=* | --names=* | --name=* | --nam=* | --na=*)
 177 #                       namesubdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 178 #                       namesubdiroption=${arg}
 179 #                       ;;
 180                 -nfp | --nf*)
 181                         floating_point=no
 182                         ;;
 183                 -norecursion | --no*)
 184                         norecursion=true
 185                         ;;
 186 #               -objdir=* | --objdir=* | --objdi=* | --objd=* | --obj=* | --ob=* | --o=*)
 187 #                       objdiroption=${arg}
 188 #                       objdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 189 #                       ;;
 190 #               -objdir | --objdir | --objdi | --objd | --obj | --ob | --o)
 191 #                       next_objdir=yes
 192 #                       ;;
 193                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
 194                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 195                         prefixoption=${arg}
 196                         ;;
 197                 -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
 198                         next_prefix=yes
 199                         ;;
 200                 -recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
 201                         recurring=true
 202                         arguments=`echo ${arguments} | sed "s:${arg}::"`
 203                         ;;
 204                 -rm | --rm)
 205                         removing=${arg}
 206                         ;;
 207                 -site=* | --site=* | --sit=* | --si=*)
 208                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 209                         ;;
 210                 -site | --site | --sit | --si)
 211                         next_site=yes
 212                         ;;
 213                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 214                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 215                         ;;
 216                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 217                         next_srcdir=yes
 218                         ;;
 219 #               -subdirs | --su*)
 220 #                       subdirs=${arg}
 221 #                       ;;
 222                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 223 #                       if [ -n "${targets}" ] ; then
 224 #                               subdirs="--subdirs"
 225 #                       fi
 226
 227                         if [ -z "${targets}" ] ; then
 228                                 newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 229                                 targets="${newtargets}"
 230                         else
 231                                 echo '***' Can only configure for one target at a time.
 232                                 fatal=yes
 233                         fi
 234                         ;;
 235                 -target | --target | --targe | --targ | --tar | --ta)
 236                         next_target=yes
 237                         ;;
 238                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 239                         tmpdiroption=${arg}
 240                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 241                         ;;
 242                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 243                         next_tmpdir=yes
 244                         ;;
 245                 -v | -verbose | --v)
 246                         verbose=${arg}
 247                         ;;
 248                 -version | -V | --version | --V)
 249                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 250                         exit 0
 251                         ;;
 252                 -x | --x) ;;
 253                 -* | --*)
 254                         (echo ;
 255                         echo "Unrecognized option: \"${arg}\"". ;
 256                         echo) 1>&2
 257                         fatal=true
 258                         ;;
 259                 *)
 260 #                       if [ -n "${hosts}" ] ; then
 261 #                               subdirs="--subdirs"
 262 #                       fi
 263
 264                         if [ -z "${undefs}" ] ; then
 265                                 newundefs="${undefs} ${arg}"
 266                                 undefs=${newundefs}
 267                         else
 268                                 echo '***' Can only configure for one host and one target at a time.
 269                                 fatal=yes
 270                         fi
 271                         ;;
 272                 esac
 273         fi
 274 done
 275
 276 if [ -n "${verbose}" ] ; then
 277         echo $0 $*
 278 fi
 279
 280 # process host and target
 281 if [ -z "${fatal}" ] ; then
 282 #       # Complain if an arg is missing
 283 #       if [ -z "${hosts}" ] ; then
 284 #               (echo ;
 285 #               echo "configure: No HOST specified." ;
 286 #               echo) 1>&2
 287 #               fatal=true
 288 #       fi
 289
 290 ### This is a bit twisted.
 291 ### * if all three are specified, this is an error.
 292 ### * if we have neither hosts, nor unadorned args, this is an error.
 293 ### * if no hosts are specified, then the unadorned args are hosts, but if
 294 ### there were none, this is an error.
 295 ### * if no targets are specified, then the unadorned args are targets, but if
 296 ### there were no unadorned args, then the hosts are also targets.
 297
 298         if [ -n "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
 299                 echo '***' Can only configure for one host and one target at a time.
 300                 fatal=yes
 301         elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
 302                 echo '***' You must tell me for which host you want to configure.
 303                 fatal=yes
 304         else
 305                 if [ -z "${hosts}" ] ; then
 306                         hosts=${undefs}
 307                 fi
 308
 309                 if [ -z "${targets}" ] ; then
 310                         if [ -n "${undefs}" ] ; then
 311                                 targets=${undefs}
 312                         else
 313                                 targets=${hosts}
 314                         fi
 315                 fi
 316         fi
 317 fi
 318
 319 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 320         (echo "Usage: configure HOST" ;
 321         echo ;
 322         echo "Options: [defaults in brackets]" ;
 323         echo " -datadir=MYDIR   configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 324         echo " -gas             configure the compilers for use with gas. [native as]" ;
 325         echo " -help            print this message. [normal config]" ;
 326         echo " -lang=LANG       configure to build LANG. [gcc]" ;
 327         echo " -nfp             configure the compilers default to soft floating point. [hard float]" ;
 328         echo " -norecursion     configure this directory only. [recurse]" ;
 329 #       echo " -objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
 330         echo " -prefix=MYDIR    configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 331         echo " -rm              remove this configuration. [build a configuration]" ;
 332         echo " -site            configure with site specific makefile" ;
 333         echo " -srcdir=DIR      find the sources in DIR. [\".\" or \"..\"]" ;
 334 # This is correctly aligned in the output, even though it isn't here.
 335 #       echo " -subdirs configure in subdirectories.  [in source directories]" ;
 336         echo " -target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 337         echo " -tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 338         echo ;
 339         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 340 #       echo "Asking for more than one \"--target\" implies \"--subdirs\".  Any other" ;
 341 #       echo "options given will apply to all targets."
 342         ) 1>&2
 343
 344         if [ -r config.status ] ; then
 345                 cat config.status
 346         fi
 347
 348         exit 1
 349 fi
 350
 351 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 352
 353 if (${configsub} `echo ${hosts} | sed -e 's/ .*//'`) >/dev/null 2>&1 ; then
 354         true
 355 else
 356         echo '***' cannot find config.sub.
 357         exit 1
 358 fi
 359
 360 if [ -z "${srcdir}" ] ; then
 361         if [ -r configure.in ] ; then
 362                 srcdir=.
 363         else
 364                 echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
 365                 exit 1
 366         fi
 367 fi
 368
 369
 370 ### break up ${srcdir}/configure.in.
 371 if [ -z "`grep '^# per\-host:' ${srcdir}/configure.in`" ] ; then
 372         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 373         exit 1
 374 fi
 375
 376 if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
 377         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 378         exit 1
 379 fi
 380
 381 if [ -z "${TMPDIR}" ] ; then
 382         TMPDIR=/tmp ; export TMPDIR
 383 fi
 384
 385 # keep this filename short for &%*%$*# 14 char file names
 386 tmpfile=${TMPDIR}/cONf$$
 387 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 388
 389 # split ${srcdir}/configure.in into common, per-host, per-target,
 390 # and post-target parts.  Post-target is optional.
 391 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 392 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 393 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 394   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 395   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 396 else
 397   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 398   echo >${tmpfile}.pos
 399 fi
 400
 401 ### do common part of configure.in
 402
 403 . ${tmpfile}.com
 404
 405 # some sanity checks on configure.in
 406 if [ -z "${srctrigger}" ] ; then
 407         echo '***' srctrigger not set in ${PWD}/configure.in.
 408         exit 1
 409 fi
 410
 411 for host in ${hosts} ; do
 412         # Default other arg
 413         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 414                 targets=${host}
 415                 defaulttargets=true
 416         fi
 417
 418         host_alias=${host}
 419
 420         result=`${configsub} ${host}`
 421         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 422         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 423         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 424         host=${host_cpu}-${host_vendor}-${host_os}
 425         host_makefile_frag=config/mh-${host}
 426         if [ ! -f ${host_makefile_frag} ]
 427         then
 428                 host_makefile_frag=config/mh-${host_alias}
 429         fi
 430
 431         . ${tmpfile}.hst
 432
 433         for target in ${targets} ; do
 434
 435                 target_alias=${target}
 436                 result=`${configsub} ${target}`
 437                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 438                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 439                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 440                 target=${target_cpu}-${target_vendor}-${target_os}
 441                 target_makefile_frag=config/mt-${target}
 442                 if [ ! -f ${target_makefile_frag} ]
 443                 then
 444                         target_makefile_frag=config/mt-${target_alias}
 445                 fi
 446
 447                 . ${tmpfile}.tgt
 448
 449                 if [ "${host_alias}" = "${target_alias}" ] ; then
 450                         subdirname=H-${host_alias}
 451                 else
 452                         subdirname=X-${host_alias}-${target_alias}
 453                 fi
 454
 455                 if [ -n "${namesubdir}" ] ; then
 456                         subdirname=${namesubdir}
 457                 fi
 458
 459                 if [ -n "${removing}" ] ; then
 460 #                       if [ -n "${objdir}" ] ; then
 461 #                               echo '***' --rm not supported for --objdir.  Just \"rm -rf ${objdir}\" by hand.
 462 #                               exit 1
 463 #                       fi
 464
 465 #                       if [ -n "${subdirs}" ] ; then
 466 #                               if [ -d "${subdirname}" ] ; then
 467 #                                       rm -rf ${hostsubdir}
 468 #                               else
 469 #                                       echo Warning: no ${PWD}/${hostsubdir} to remove.
 470 #                               fi
 471 #                       else
 472                                 rm -f ${Makefile} config.status ${links}
 473 #                       fi
 474                 else
 475 #                       if [ -n "${objdir}" ]; then
 476 #                               srcdir=${PWD}
 477 #                               cd ${objdir}
 478 #                       fi
 479
 480 #                       if [ -n "${subdirs}" ] ; then
 481 #                               # check for existing status before allowing forced subdirs.
 482 #                               if [ -f ${Makefile} ] ; then
 483 #                                       echo '***' "${Makefile} already exists in source directory.  ${PWD} not configured." 1>&2
 484 #                                       exit 1
 485 #                               fi
 486 #
 487 #                               # use a subdir common to all targets for this host iff: this is a cross AND
 488 #                               # this tool does not claim to be target dependent AND we have not been asked to name the subdir.
 489 #                               if [ ${host_alias} != ${target_alias} -a -z "${target_dependent}" -a -z "${namesubdiroption}" ]
 490 #                               then
 491 #                                       if [ ! -d H-${host_alias} ] ; then mkdir H-${host_alias} ; fi
 492 #
 493 #                                       if (${symbolic_link} ${subdirname} H-${host_alias} 2> /dev/null) ; then
 494 #                                               true
 495 #                                       else # just give up. they lose.
 496 #                                               rmdir H-${host_alias}
 497 #                                               if [ ! -d ${subdirname} ] ; then mkdir ${subdirname} ; fi
 498 #                                       fi
 499 #                               elif [ ! -d ${subdirname} ] ; then
 500 #                                       mkdir ${subdirname}
 501 #                               fi
 502 #
 503 #                               cd ${subdirname}
 504 #
 505 #                               if [ -z "${srcdir}" ] ; then
 506 #                                       srcdir=..
 507 #                               fi
 508 #                       elif [ "`echo H-*`" != "H-*" -a "`echo X-*`" != "X-*" ] ; then
 509 #                               # if not subdir builds, then make sure none exist.
 510 #                               # We might miss if there are explicitly named subdirs.
 511 #                               echo '***' "Configured subdirs exist.  ${PWD} not configured." 1>&2
 512 #                               exit 1
 513 #                       else
 514 #                               true
 515 #                       fi
 516
 517                         # Find the source files, if location was not specified.
 518                         if [ -z "${srcdir}" ] ; then
 519                                 srcdirdefaulted=1
 520                                 srcdir=.
 521                                 if [ ! -r ${srctrigger} ] ; then
 522                                         srcdir=..
 523                                 fi
 524                         fi
 525
 526                         if [ ! -r ${srcdir}/${srctrigger} ] ; then
 527                                 if [ -z "${srcdirdefaulted}" ] ; then
 528                                         echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2
 529                                 else
 530                                         echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2
 531                                 fi
 532
 533                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 534                                 exit 1
 535                         fi
 536
 537                         # Set up the list of links to be made.
 538                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 539
 540                         # Make the links.
 541                         while [ -n "${files}" ] ; do
 542                                 # set file to car of files, files to cdr of files
 543                                 set ${files}; file=$1; shift; files=$*
 544                                 set ${links}; link=$1; shift; links=$*
 545
 546                                 if [ ! -r ${srcdir}/${file} ] ; then
 547                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 548                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 549                                         exit 1
 550                                 fi
 551
 552                                 ${remove} -f ${link}
 553                                 rm -f config.status
 554                                 # Make a symlink if possible, otherwise try a hard link
 555                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 556
 557                                 if [ ! -r ${link} ] ; then
 558                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 559                                         exit 1
 560                                 fi
 561
 562                                 if [ -n "${verbose}" ] ; then
 563                                         echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 564                                 fi
 565                         done
 566
 567                         # Create a .gdbinit file which runs the one in srcdir
 568                         # and tells GDB to look there for source files.
 569
 570                         if [ -r ${srcdir}/.gdbinit ] ; then
 571                                 case ${srcdir} in
 572                                 .)
 573                                         ;;
 574                                 *)
 575                                         echo "# "${NO_EDIT} > .gdbinit
 576                                         echo "dir ." >> .gdbinit
 577                                         echo "dir ${srcdir}" >> .gdbinit
 578                                         echo "source ${srcdir}/.gdbinit" >> .gdbinit
 579                                         ;;
 580                                 esac
 581                         fi
 582
 583                         # Install a makefile, and make it set VPATH
 584                         # if necessary so that the sources are found.
 585                         # Also change its value of srcdir.
 586
 587                 # FIXME-someday: This business of always writing to .tem and mv back
 588                 # is so that I don't screw things up while developing.  Once this
 589                 # template is stable, these should be optimized. xoxorich.
 590
 591                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 592                         if [ "${host}" != "${target}" ] ; then
 593                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 594                                 echo "ALL=all.cross" >> ${Makefile}
 595                         else
 596                                 echo "ALL=all.internal" > ${Makefile}
 597                         fi
 598
 599                         # set target, host, VPATH
 600                         echo "host_alias = ${host_alias}" >> ${Makefile}
 601                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 602                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 603                         echo "host_os = ${host_os}" >> ${Makefile}
 604                         echo "version_path = ${version_path}" >> ${Makefile}
 605                         echo "target_alias = ${target_alias}" >> ${Makefile}
 606                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 607                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 608                         echo "target_os = ${target_os}" >> ${Makefile}
 609
 610 #                       if [ -n "${subdirs}" ] ; then
 611 #                               (echo "subdir = /${subdirname}" ;
 612 #                                       echo "unsubdir = ..") >> ${Makefile}
 613 #                       else
 614                                 (echo "subdir =" ;
 615                                         echo "unsubdir = .") >> ${Makefile}
 616 #                       fi
 617
 618                 #       echo "workdir = ${PWD}" >> ${Makefile}
 619                         echo "VPATH = ${srcdir}" >> ${Makefile}
 620
 621                         # add "Makefile.in" (or whatever it's called)
 622                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 623
 624                         # Conditionalize the makefile for this site.
 625                         if [ -n "${site}" ] ; then
 626                                 site_makefile_frag=config/ms-${site}
 627
 628                                 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 629                                         (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ;
 630                                                 sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
 631                                 else
 632                                         (echo "site_makefile_frag =" ;
 633                                                 cat ${Makefile}) > Makefile.tem
 634                                 fi
 635                                 mv Makefile.tem ${Makefile}
 636                         fi
 637
 638                         # Conditionalize the makefile for this host.
 639                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 640                                 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
 641                                         sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
 642                         else
 643                                 (echo "host_makefile_frag =" ;
 644                                         cat ${Makefile}) > Makefile.tem
 645                         fi
 646                         mv Makefile.tem ${Makefile}
 647
 648                         # Conditionalize the makefile for this target.
 649                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 650                                 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
 651                                         sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
 652                         else
 653                                 (echo "target_makefile_frag =" ;
 654                                         cat ${Makefile}) > Makefile.tem
 655                         fi
 656                         mv Makefile.tem ${Makefile}
 657
 658                         # set srcdir
 659                         sed "s:^srcdir[         ]*=.*$:srcdir = ${srcdir}:" ${Makefile} > Makefile.tem
 660                         mv Makefile.tem ${Makefile}
 661
 662                         # set prefix
 663                         if [ -n "${prefix}" ] ; then
 664                                 sed "s:^prefix[         ]*=.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
 665                                 mv Makefile.tem ${Makefile}
 666                         fi
 667
 668                         # set datadir
 669                         if [ -n "${datadir}" ] ; then
 670                                 sed "s:^datadir[        ]*=.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
 671                                 mv Makefile.tem ${Makefile}
 672                         fi
 673
 674                         # reset SUBDIRS
 675                         sed "s:^SUBDIRS[        ]*=.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 676                         mv Makefile.tem ${Makefile}
 677
 678                         # reset NONSUBDIRS
 679                         sed "s:^NONSUBDIRS[     ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 680                         mv Makefile.tem ${Makefile}
 681
 682                         # remove any form feeds.
 683                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 684                         mv Makefile.tem ${Makefile}
 685
 686                         # prepend warning about editting.
 687                         echo "# "${NO_EDIT} > ${Makefile}.tem
 688                         cat ${Makefile} >> ${Makefile}.tem
 689                         mv Makefile.tem ${Makefile}
 690
 691                         using=
 692                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 693                                 using="${using} and \"${host_makefile_frag}\""
 694                         fi
 695                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 696                                 using="${using} and \"${target_makefile_frag}\""
 697                         fi
 698                         if [ -n "${site}" -a \
 699                              -f ${srcdir}/${site_makefile_frag} ] ; then
 700                                 using="${using} and \"${site_makefile_frag}\""
 701                         fi
 702                         using=`echo "${using}" | sed 's/and/using/'`
 703                         using="Created \"${Makefile}\" in ${PWD}${using}."
 704
 705                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 706                                 echo ${using}
 707                         fi
 708
 709                         . ${tmpfile}.pos
 710
 711                         # describe the chosen configuration in config.status.
 712                         # Make that file a shellscript which will reestablish
 713                         # the same configuration.  Used in Makefiles to rebuild
 714                         # Makefiles.
 715
 716                         if [ -z "${norecursion}" ] ; then
 717                                 arguments="${arguments} -norecursion"
 718                         fi
 719
 720                         echo "#!/bin/sh
 721 # ${NO_EDIT}
 722 # ${PWD} was configured as follows:
 723 ${progname}" ${arguments}  "
 724 # ${using}" > config.status
 725                         chmod a+x config.status
 726
 727 #                       originaldir=${PWD}
 728 #                       cd ${srcdir}
 729                 fi
 730
 731                 # If there are subdirectories, then recur.
 732                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 733                         for configdir in ${configdirs} ; do
 734                                 if [ -n "${verbose}" ] ; then
 735                                         echo Configuring ${configdir}...
 736                                 fi
 737
 738                                 if [ -d ${srcdir}/${configdir} ] ; then
 739                                         if [ "${srcdir}" != "." ] ; then
 740                                                 if [ ! -d ./${configdir} ] ; then
 741                                                         mkdir ./${configdir}
 742                                                 fi
 743                                         fi
 744
 745                                         POPDIR=${PWD}
 746                                         cd ${configdir}
 747
 748 ### figure out what to do with srcdir
 749                                         case "${srcdir}" in
 750                                         ".") ;; # do nothing.  We're building in place.
 751                                         /*) srcdiroption="-srcdir=${srcdir}/${configdir}" ;; # absolute path
 752                                         *) srcdiroption="-srcdir=../${srcdir}/${configdir}" ;; # otherwise relative
 753                                         esac
 754
 755 ### The recursion line is here.
 756                                         if [ -x configure ] ; then
 757                                                 recprog=`pwd`/configure
 758                                         else
 759                                                 recprog=${progname}
 760                                         fi
 761
 762                                         if (${recprog} -recurring ${host_alias} -target=${target_alias} \
 763                                                 ${verbose} ${subdirs} ${removing} ${prefixoption} \
 764                                                 ${tmpdiroption} ${namesubdiroption} ${datadiroption} \
 765                                                 ${srcdiroption}) ; then
 766                                                 true
 767                                         else
 768                                                 exit 1
 769                                         fi
 770
 771                                         cd ${POPDIR}
 772                                 elif [ -n "${verbose}" ] ; then
 773                                         echo Warning: source directory \"${srcdir}/${configdir}\" is missing.
 774                                 fi
 775                         done
 776                 fi
 777         done # for each target
 778
 779         # Now build a Makefile for this host.
 780 #       if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
 781 #               push=${PWD}
 782 #
 783 #               if [ -n "${objdir}" ] ; then
 784 #                       cd ${objdir}
 785 #               fi
 786 #
 787 #               cd ${hostsubdir}
 788 #               cat > GNUmakefile << 'E!O!F'
 789 ## Makefile generated by configure for host ${host_alias}.
 790 #
 791 #ALL := $(shell ls -d T-*)
 792 #
 793 #%:
 794 #       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
 795 #
 796 #all:
 797 #E!O!F
 798 #               cd ${push}
 799 #       fi
 800 done # for each host
 801
 802 ### clean up.
 803
 804 # trap cmd above handles this now:
 805 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 806
 807 exit 0
 808
 809 #
 810 # Local Variables:
 811 # fill-column: 131
 812 # End:
 813 #
 814
 815 # end of configure