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 ansi=
  55 arguments=$*
  56 commontargets=
  57 configdirs=
  58 datadir=
  59 datadiroption=
  60 defaulttargets=
  61 fatal=
  62 floating_point=default
  63 gas=default
  64 hosts=
  65 #hostsubdir=
  66 #namesubdir=
  67 next_prefix=
  68 next_host=
  69 #next_namesubdir=
  70 #next_objdir=
  71 next_site=
  72 next_srcdir=
  73 next_target=
  74 next_tmpdir=
  75 norecursion=
  76 #objdir=
  77 #objdiroption=
  78 prefix=/usr/local
  79 progname=
  80 recurring=
  81 removing=
  82 srcdir=
  83 srctrigger=
  84 target=
  85 targets=
  86 #targetsubdir=
  87 undefinedargs=
  88 verbose=
  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                 -ansi | --a*)
 148                         ansi=true
 149                         clib=clib
 150                         ;;
 151                 -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
 152                         datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 153                         datadiroption=${arg}
 154                         ;;
 155                 -datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
 156                         next_datadir=yes
 157                         ;;
 158                 -gas | --g*)
 159                         gas=yes
 160                         ;;
 161                 -help | --he*)
 162                         fatal=true
 163                         ;;
 164                 -host=* | --host=* | --hos=* | --ho=*)
 165 #                       if [ -n "${hosts}" ] ; then
 166 #                               subdirs="--subdirs"
 167 #                       fi
 168
 169                         if [ -z "${hosts}" ] ; then
 170                                 newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 171                                 hosts="${newhosts}"
 172                         else
 173                                 echo '***' Can only configure for one host at a time.
 174                                 fatal=yes
 175                         fi
 176                         ;;
 177                 -languages=* | --languages=* | --language=* | --languag=* \
 178                         | --langua=* | --langu=* | --lang=* | --lan=* | --la=* \
 179                         | --l=*)
 180                         languages="${languages} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 181                         ;;
 182 #               -namesubdir | --namesubdir | --namesubdi | --namesubd | --namesub | --namesu | --names | --name | --nam | --na)
 183 #                       next_namesubdir=yes
 184 #                       ;;
 185 #               -namesubdir=* | --namesubdir=* | --namesubdi=* | --namesubd=* | --namesub=* | --namesu=* | --names=* | --name=* | --nam=* | --na=*)
 186 #                       namesubdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 187 #                       namesubdiroption=${arg}
 188 #                       ;;
 189                 -nfp | --nf*)
 190                         floating_point=no
 191                         ;;
 192                 -norecursion | --no*)
 193                         norecursion=true
 194                         ;;
 195 #               -objdir=* | --objdir=* | --objdi=* | --objd=* | --obj=* | --ob=* | --o=*)
 196 #                       objdiroption=${arg}
 197 #                       objdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 198 #                       ;;
 199 #               -objdir | --objdir | --objdi | --objd | --obj | --ob | --o)
 200 #                       next_objdir=yes
 201 #                       ;;
 202                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
 203                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 204                         prefixoption=${arg}
 205                         ;;
 206                 -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
 207                         next_prefix=yes
 208                         ;;
 209                 -recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
 210                         recurring=true
 211                         arguments=`echo ${arguments} | sed "s:${arg}::"`
 212                         ;;
 213                 -rm | --rm)
 214                         removing=${arg}
 215                         ;;
 216                 -site=* | --site=* | --sit=* | --si=*)
 217                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 218                         ;;
 219                 -site | --site | --sit | --si)
 220                         next_site=yes
 221                         ;;
 222                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 223                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
 224                         ;;
 225                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 226                         next_srcdir=yes
 227                         ;;
 228 #               -subdirs | --su*)
 229 #                       subdirs=${arg}
 230 #                       ;;
 231                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 232 #                       if [ -n "${targets}" ] ; then
 233 #                               subdirs="--subdirs"
 234 #                       fi
 235
 236                         if [ -z "${targets}" ] ; then
 237                                 newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
 238                                 targets="${newtargets}"
 239                         else
 240                                 echo '***' Can only configure for one target at a time.
 241                                 fatal=yes
 242                         fi
 243                         ;;
 244                 -target | --target | --targe | --targ | --tar | --ta)
 245                         next_target=yes
 246                         ;;
 247                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 248                         tmpdiroption=${arg}
 249                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 250                         ;;
 251                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 252                         next_tmpdir=yes
 253                         ;;
 254                 -v | -verbose | --v)
 255                         verbose=${arg}
 256                         ;;
 257                 -x | --x) ;;
 258                 -* | --*)
 259                         (echo ;
 260                         echo "Unrecognized option: \"${arg}\"". ;
 261                         echo) 1>&2
 262                         fatal=true
 263                         ;;
 264                 *)
 265 #                       if [ -n "${hosts}" ] ; then
 266 #                               subdirs="--subdirs"
 267 #                       fi
 268
 269                         if [ -z "${undefs}" ] ; then
 270                                 newundefs="${undefs} ${arg}"
 271                                 undefs=${newundefs}
 272                         else
 273                                 echo '***' Can only configure for one host and one target at a time.
 274                                 fatal=yes
 275                         fi
 276                         ;;
 277                 esac
 278         fi
 279 done
 280
 281 if [ -n "${verbose}" ] ; then
 282         echo $0 $*
 283 fi
 284
 285 # process host and target
 286 if [ -z "${fatal}" ] ; then
 287 #       # Complain if an arg is missing
 288 #       if [ -z "${hosts}" ] ; then
 289 #               (echo ;
 290 #               echo "configure: No HOST specified." ;
 291 #               echo) 1>&2
 292 #               fatal=true
 293 #       fi
 294
 295 ### This is a bit twisted.
 296 ### * if all three are specified, this is an error.
 297 ### * if we have neither hosts, nor unadorned args, this is an error.
 298 ### * if no hosts are specified, then the unadorned args are hosts, but if
 299 ### there were none, this is an error.
 300 ### * if no targets are specified, then the unadorned args are targets, but if
 301 ### there were no unadorned args, then the hosts are also targets.
 302
 303         if [ -n "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
 304                 echo '***' Can only configure for one host and one target at a time.
 305                 fatal=yes
 306         elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
 307                 echo '***' You must tell me for which host you want to configure.
 308                 fatal=yes
 309         else
 310                 if [ -z "${hosts}" ] ; then
 311                         hosts=${undefs}
 312                 fi
 313
 314                 if [ -z "${targets}" ] ; then
 315                         if [ -n "${undefs}" ] ; then
 316                                 targets=${undefs}
 317                         else
 318                                 targets=${hosts}
 319                         fi
 320                 fi
 321         fi
 322 fi
 323
 324 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 325         (echo "Usage: configure HOST" ;
 326         echo ;
 327         echo "Options: [defaults in brackets]" ;
 328         echo " -ansi            configure w/ANSI library. [no ansi lib]" ;
 329         echo " -datadir=MYDIR   configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 330         echo " -gas             configure the compilers for use with gas. [native as]" ;
 331         echo " -help            print this message. [normal config]" ;
 332         echo " -lang=LANG       configure to build LANG. [gcc]" ;
 333         echo " -nfp             configure the compilers default to soft floating point. [hard float]" ;
 334         echo " -norecursion     configure this directory only. [recurse]" ;
 335 #       echo " -objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
 336         echo " -prefix=MYDIR    configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 337         echo " -rm              remove this configuration. [build a configuration]" ;
 338         echo " -site            configure with site specific makefile" ;
 339         echo " -srcdir=DIR      find the sources in DIR. [\".\" or \"..\"]" ;
 340 # This is correctly aligned in the output, even though it isn't here.
 341 #       echo " -subdirs configure in subdirectories.  [in source directories]" ;
 342         echo " -target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 343         echo " -tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 344         echo ;
 345         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 346 #       echo "Asking for more than one \"--target\" implies \"--subdirs\".  Any other" ;
 347 #       echo "options given will apply to all targets."
 348         ) 1>&2
 349
 350         if [ -r config.status ] ; then
 351                 cat config.status
 352         fi
 353
 354         exit 1
 355 fi
 356
 357 configsubr=`echo ${progname} | sed 's/configure$/config.subr/'`
 358
 359 if (${configsubr} `echo ${hosts} | sed -e 's/ .*//'`) >/dev/null 2>&1 ; then
 360         true
 361 else
 362         echo '***' cannot find config.subr.
 363         exit 1
 364 fi
 365
 366 if [ -z "${srcdir}" ] ; then
 367         if [ -r configure.in ] ; then
 368                 srcdir=.
 369         elif [ -r ../configure.in ] ; then
 370                 srcdir=..
 371         else
 372                 echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
 373                 exit 1
 374         fi
 375 fi
 376
 377
 378 ### break up ${srcdir}/configure.in.
 379 if [ -z "`grep '^# per\-host:' ${srcdir}/configure.in`" ] ; then
 380         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 381         exit 1
 382 fi
 383
 384 if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
 385         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 386         exit 1
 387 fi
 388
 389 if [ -z "${TMPDIR}" ] ; then
 390         TMPDIR=/tmp ; export TMPDIR
 391 fi
 392
 393 # keep this filename short for &%*%$*# 14 char file names
 394 tmpfile=${TMPDIR}/cONf$$
 395 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 396
 397 # split ${srcdir}/configure.in into common, per-host, per-target,
 398 # and post-target parts.  Post-target is optional.
 399 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 400 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 401 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 402   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 403   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 404 else
 405   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 406   echo >${tmpfile}.pos
 407 fi
 408
 409 ### do common part of configure.in
 410
 411 . ${tmpfile}.com
 412
 413 # some sanity checks on configure.in
 414 if [ -z "${srctrigger}" ] ; then
 415         echo '***' srctrigger not set in ${PWD}/configure.in.
 416         exit 1
 417 fi
 418
 419 for host in ${hosts} ; do
 420         # Default other arg
 421         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 422                 targets=${host}
 423                 defaulttargets=true
 424         fi
 425
 426         host_alias=${host}
 427
 428         result=`${configsubr} ${host}`
 429         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 430         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 431         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 432         host=${host_cpu}-${host_vendor}-${host_os}
 433         host_makefile_frag=config/mh-${host}
 434         if [ ! -f ${host_makefile_frag} ]
 435         then
 436                 host_makefile_frag=config/mh-${host_alias}
 437         fi
 438
 439         . ${tmpfile}.hst
 440
 441         for target in ${targets} ; do
 442
 443                 target_alias=${target}
 444                 result=`${configsubr} ${target}`
 445                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 446                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 447                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 448                 target=${target_cpu}-${target_vendor}-${target_os}
 449                 target_makefile_frag=config/mt-${target}
 450                 if [ ! -f ${target_makefile_frag} ]
 451                 then
 452                         target_makefile_frag=config/mt-${target_alias}
 453                 fi
 454
 455                 . ${tmpfile}.tgt
 456
 457                 if [ "${host_alias}" = "${target_alias}" ] ; then
 458                         subdirname=H-${host_alias}
 459                 else
 460                         subdirname=X-${host_alias}-${target_alias}
 461                 fi
 462
 463                 if [ -n "${namesubdir}" ] ; then
 464                         subdirname=${namesubdir}
 465                 fi
 466
 467                 if [ -n "${removing}" ] ; then
 468 #                       if [ -n "${objdir}" ] ; then
 469 #                               echo '***' --rm not supported for --objdir.  Just \"rm -rf ${objdir}\" by hand.
 470 #                               exit 1
 471 #                       fi
 472
 473 #                       if [ -n "${subdirs}" ] ; then
 474 #                               if [ -d "${subdirname}" ] ; then
 475 #                                       rm -rf ${hostsubdir}
 476 #                               else
 477 #                                       echo Warning: no ${PWD}/${hostsubdir} to remove.
 478 #                               fi
 479 #                       else
 480                                 rm -f ${Makefile} config.status ${links}
 481 #                       fi
 482                 else
 483 #                       if [ -n "${objdir}" ]; then
 484 #                               srcdir=${PWD}
 485 #                               cd ${objdir}
 486 #                       fi
 487
 488 #                       if [ -n "${subdirs}" ] ; then
 489 #                               # check for existing status before allowing forced subdirs.
 490 #                               if [ -f ${Makefile} ] ; then
 491 #                                       echo '***' "${Makefile} already exists in source directory.  ${PWD} not configured." 1>&2
 492 #                                       exit 1
 493 #                               fi
 494 #
 495 #                               # use a subdir common to all targets for this host iff: this is a cross AND
 496 #                               # this tool does not claim to be target dependent AND we have not been asked to name the subdir.
 497 #                               if [ ${host_alias} != ${target_alias} -a -z "${target_dependent}" -a -z "${namesubdiroption}" ]
 498 #                               then
 499 #                                       if [ ! -d H-${host_alias} ] ; then mkdir H-${host_alias} ; fi
 500 #
 501 #                                       if (${symbolic_link} ${subdirname} H-${host_alias} 2> /dev/null) ; then
 502 #                                               true
 503 #                                       else # just give up. they lose.
 504 #                                               rmdir H-${host_alias}
 505 #                                               if [ ! -d ${subdirname} ] ; then mkdir ${subdirname} ; fi
 506 #                                       fi
 507 #                               elif [ ! -d ${subdirname} ] ; then
 508 #                                       mkdir ${subdirname}
 509 #                               fi
 510 #
 511 #                               cd ${subdirname}
 512 #
 513 #                               if [ -z "${srcdir}" ] ; then
 514 #                                       srcdir=..
 515 #                               fi
 516 #                       elif [ "`echo H-*`" != "H-*" -a "`echo X-*`" != "X-*" ] ; then
 517 #                               # if not subdir builds, then make sure none exist.
 518 #                               # We might miss if there are explicitly named subdirs.
 519 #                               echo '***' "Configured subdirs exist.  ${PWD} not configured." 1>&2
 520 #                               exit 1
 521 #                       else
 522 #                               true
 523 #                       fi
 524
 525                         # Find the source files, if location was not specified.
 526                         if [ -z "${srcdir}" ] ; then
 527                                 srcdirdefaulted=1
 528                                 srcdir=.
 529                                 if [ ! -r ${srctrigger} ] ; then
 530                                         srcdir=..
 531                                 fi
 532                         fi
 533
 534                         if [ ! -r ${srcdir}/${srctrigger} ] ; then
 535                                 if [ -z "${srcdirdefaulted}" ] ; then
 536                                         echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2
 537                                 else
 538                                         echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2
 539                                 fi
 540
 541                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 542                                 exit 1
 543                         fi
 544
 545                         # Set up the list of links to be made.
 546                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 547
 548                         # Make the links.
 549                         while [ -n "${files}" ] ; do
 550                                 # set file to car of files, files to cdr of files
 551                                 set ${files}; file=$1; shift; files=$*
 552                                 set ${links}; link=$1; shift; links=$*
 553
 554                                 if [ ! -r ${srcdir}/${file} ] ; then
 555                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 556                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 557                                         exit 1
 558                                 fi
 559
 560                                 ${remove} -f ${link}
 561                                 rm -f config.status
 562                                 # Make a symlink if possible, otherwise try a hard link
 563                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 564
 565                                 if [ ! -r ${link} ] ; then
 566                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 567                                         exit 1
 568                                 fi
 569
 570                                 if [ -n "${verbose}" ] ; then
 571                                         echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 572                                 fi
 573                         done
 574
 575                         # Create a .gdbinit file which runs the one in srcdir
 576                         # and tells GDB to look there for source files.
 577
 578                         if [ -r ${srcdir}/.gdbinit ] ; then
 579                                 case ${srcdir} in
 580                                 .)
 581                                         ;;
 582                                 *)
 583                                         echo "# "${NO_EDIT} > .gdbinit
 584                                         echo "dir ." >> .gdbinit
 585                                         echo "dir ${srcdir}" >> .gdbinit
 586                                         echo "source ${srcdir}/.gdbinit" >> .gdbinit
 587                                         ;;
 588                                 esac
 589                         fi
 590
 591                         # Install a makefile, and make it set VPATH
 592                         # if necessary so that the sources are found.
 593                         # Also change its value of srcdir.
 594
 595                 # FIXME-someday: This business of always writing to .tem and mv back
 596                 # is so that I don't screw things up while developing.  Once this
 597                 # template is stable, these should be optimized. xoxorich.
 598
 599                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 600                         if [ "${host}" != "${target}" ] ; then
 601                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 602                                 echo "ALL=start.encap" >> ${Makefile}
 603                         else
 604                                 echo "ALL=all.internal" > ${Makefile}
 605                         fi
 606
 607                         # set target, host, VPATH
 608                         echo "host_alias = ${host_alias}" >> ${Makefile}
 609                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 610                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 611                         echo "host_os = ${host_os}" >> ${Makefile}
 612                         echo "version_path = ${version_path}" >> ${Makefile}
 613                         echo "target_alias = ${target_alias}" >> ${Makefile}
 614                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 615                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 616                         echo "target_os = ${target_os}" >> ${Makefile}
 617
 618 #                       if [ -n "${subdirs}" ] ; then
 619 #                               (echo "subdir = /${subdirname}" ;
 620 #                                       echo "unsubdir = ..") >> ${Makefile}
 621 #                       else
 622                                 (echo "subdir =" ;
 623                                         echo "unsubdir = .") >> ${Makefile}
 624 #                       fi
 625
 626                 #       echo "workdir = ${PWD}" >> ${Makefile}
 627                         echo "VPATH = ${srcdir}" >> ${Makefile}
 628
 629                         # add "Makefile.in" (or whatever it's called)
 630                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 631
 632                         # Conditionalize the makefile for this site.
 633                         if [ -n "${site}" ] ; then
 634                                 site_makefile_frag=config/ms-${site}
 635
 636                                 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 637                                         (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ;
 638                                                 sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
 639                                 else
 640                                         (echo "site_makefile_frag =" ;
 641                                                 cat ${Makefile}) > Makefile.tem
 642                                 fi
 643                                 mv Makefile.tem ${Makefile}
 644                         fi
 645
 646                         # Conditionalize the makefile for this host.
 647                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 648                                 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
 649                                         sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
 650                         else
 651                                 (echo "host_makefile_frag =" ;
 652                                         cat ${Makefile}) > Makefile.tem
 653                         fi
 654                         mv Makefile.tem ${Makefile}
 655
 656                         # Conditionalize the makefile for this target.
 657                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 658                                 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
 659                                         sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
 660                         else
 661                                 (echo "target_makefile_frag =" ;
 662                                         cat ${Makefile}) > Makefile.tem
 663                         fi
 664                         mv Makefile.tem ${Makefile}
 665
 666                         # set srcdir
 667                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
 668                         mv Makefile.tem ${Makefile}
 669
 670                         # set prefix
 671                         if [ -n "${prefix}" ] ; then
 672                                 sed "s:^prefix =.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
 673                                 mv Makefile.tem ${Makefile}
 674                         fi
 675
 676                         # set datadir
 677                         if [ -n "${datadir}" ] ; then
 678                                 sed "s:^datadir =.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
 679                                 mv Makefile.tem ${Makefile}
 680                         fi
 681
 682                         # reset SUBDIRS
 683                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 684                         mv Makefile.tem ${Makefile}
 685
 686                         # reset NONSUBDIRS
 687                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 688                         mv Makefile.tem ${Makefile}
 689
 690                         # remove any form feeds.
 691                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 692                         mv Makefile.tem ${Makefile}
 693
 694                         # prepend warning about editting.
 695                         echo "# "${NO_EDIT} > ${Makefile}.tem
 696                         cat ${Makefile} >> ${Makefile}.tem
 697                         mv Makefile.tem ${Makefile}
 698
 699                         using=
 700                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 701                                 using="${using} and \"${host_makefile_frag}\""
 702                         fi
 703                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 704                                 using="${using} and \"${target_makefile_frag}\""
 705                         fi
 706                         if [ -n "${site}" -a \
 707                              -f ${srcdir}/${site_makefile_frag} ] ; then
 708                                 using="${using} and \"${site_makefile_frag}\""
 709                         fi
 710                         using=`echo "${using}" | sed 's/and/using/'`
 711                         using="Created \"${Makefile}\" in ${PWD}${using}."
 712
 713                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 714                                 echo ${using}
 715                         fi
 716
 717                         . ${tmpfile}.pos
 718
 719                         # describe the chosen configuration in config.status.
 720                         # Make that file a shellscript which will reestablish
 721                         # the same configuration.  Used in Makefiles to rebuild
 722                         # Makefiles.
 723
 724                         if [ -z "${norecursion}" ] ; then
 725                                 arguments="${arguments} -norecursion"
 726                         fi
 727
 728                         echo "#!/bin/sh
 729 # ${NO_EDIT}
 730 # ${PWD} was configured as follows:
 731 ${progname}" ${arguments}  "
 732 # ${using}" > config.status
 733                         chmod a+x config.status
 734
 735 #                       originaldir=${PWD}
 736 #                       cd ${srcdir}
 737                 fi
 738
 739                 # If there are subdirectories, then recur.
 740                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 741                         for configdir in ${configdirs} ; do
 742                                 if [ -n "${verbose}" ] ; then
 743                                         echo Configuring ${configdir}...
 744                                 fi
 745
 746                                 if [ -d ${srcdir}/${configdir} ] ; then
 747                                         if [ "${srcdir}" != "." ] ; then
 748                                                 if [ ! -d ./${configdir} ] ; then
 749                                                         mkdir ./${configdir}
 750                                                 fi
 751                                         fi
 752
 753                                         POPDIR=${PWD}
 754                                         cd ${configdir}
 755
 756 ### figure out what to do with srcdir
 757                                         case "${srcdir}" in
 758                                         ".") ;; # do nothing.  We're building in place.
 759                                         /*) srcdiroption="-srcdir=${srcdir}/${configdir}" ;; # absolute path
 760                                         *) srcdiroption="-srcdir=../${srcdir}/${configdir}" ;; # otherwise relative
 761                                         esac
 762
 763 ### The recursion line is here.
 764                                         if (${progname} -recurring ${host_alias} -target=${target_alias} \
 765                                                 ${verbose} ${subdirs} ${removing} ${prefixoption} \
 766                                                 ${tmpdiroption} ${namesubdiroption} ${datadiroption} \
 767                                                 ${srcdiroption}) ; then
 768                                                 true
 769                                         else
 770                                                 exit 1
 771                                         fi
 772
 773                                         cd ${POPDIR}
 774                                 elif [ -n "${verbose}" ] ; then
 775                                         echo Warning: source directory \"${srcdir}/${configdir}\" is missing.
 776                                 fi
 777                         done
 778                 fi
 779         done # for each target
 780
 781         # Now build a Makefile for this host.
 782 #       if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
 783 #               push=${PWD}
 784 #
 785 #               if [ -n "${objdir}" ] ; then
 786 #                       cd ${objdir}
 787 #               fi
 788 #
 789 #               cd ${hostsubdir}
 790 #               cat > GNUmakefile << 'E!O!F'
 791 ## Makefile generated by configure for host ${host_alias}.
 792 #
 793 #ALL := $(shell ls -d T-*)
 794 #
 795 #%:
 796 #       $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
 797 #
 798 #all:
 799 #E!O!F
 800 #               cd ${push}
 801 #       fi
 802 done # for each host
 803
 804 ### clean up.
 805
 806 # trap cmd above handles this now:
 807 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 808
 809 exit 0
 810
 811 #
 812 # Local Variables:
 813 # fill-column: 131
 814 # End:
 815 #
 816
 817 # end of configure