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