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