binutils/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 #
  25 # Shell script to create proper links to machine-dependent files in
  26 # preparation for compilation.
  27 #
  28 # If configure succeeds, it leaves its status in config.status.
  29 # If configure fails after disturbing the status quo,
  30 #       config.status is removed.
  31 #
  32
  33 remove=rm
  34 hard_link=ln
  35 symbolic_link='ln -s'
  36
  37 #for Test
  38 #remove="echo rm"
  39 #hard_link="echo ln"
  40 #symbolic_link="echo ln -s"
  41
  42 progname=$0
  43
  44 # clear some things potentially inherited from environment.
  45 ansi=
  46 arguments=$*
  47 defaulttargets=
  48 destdir=
  49 fatal=
  50 hostsubdir=
  51 Makefile=Makefile
  52 Makefile_in=Makefile.in
  53 norecursion=
  54 recurring=
  55 removing=
  56 srcdir=
  57 srctrigger=
  58 target=
  59 targets=
  60 commontargets=
  61 configdirs=
  62 targetsubdir=
  63 template=
  64 verbose=
  65
  66 for arg in $*;
  67 do
  68         case ${arg} in
  69         -ansi | +a*)
  70                 ansi=true
  71                 clib=clib
  72                 ;;
  73         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
  74                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
  75                 ;;
  76         -languages=* | +languages=* | +language=* | +languag=* \
  77                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
  78                 | +l=*)
  79                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
  80                 ;;
  81         -gas | +g*)
  82                 gas=yes
  83                 ;;
  84         -help | +h*)
  85                 fatal=true
  86                 ;;
  87         -nfp | +nf*)
  88                 nfp=yes
  89                 ;;
  90         -norecursion | +no*)
  91                 norecursion=true
  92                 ;;
  93         -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
  94                 recurring=true
  95                 ;;
  96         -rm | +rm)
  97                 removing=${arg}
  98                 ;;
  99 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
 100 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
 101 #               ;;
 102         -subdirs | +f* | +su*)
 103                 subdirs=${arg}
 104                 ;;
 105         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
 106                 if [ -n "${targets}" ] ; then
 107                         subdirs="+subdirs"
 108                 fi
 109
 110                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
 111                 targets="${newtargets}"
 112                 ;;
 113         -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
 114                 template=`echo ${arg} | sed 's/[+-]template=//'`
 115                 ;;
 116         -v | -verbose | +v*)
 117                 verbose=${arg}
 118                 ;;
 119         -* | +*)
 120                 (echo ;
 121                 echo "Unrecognized option: \"${arg}\"". ;
 122                 echo) 1>&2
 123                 fatal=true
 124                 ;;
 125         *)
 126                 if [ -n "${hosts}" ] ; then
 127                         subdirs="+subdirs"
 128                 fi
 129
 130                 newhosts="${hosts} ${arg}"
 131                 hosts=${newhosts}
 132                 ;;
 133         esac
 134 done
 135
 136 if [ -n "${verbose}" ] ; then
 137         echo `pwd`/configure $*
 138 fi
 139
 140 # process host and target only if not rebuilding configure itself or removing.
 141 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
 142         # Complain if an arg is missing
 143         if [ -z "${hosts}" ] ; then
 144                 (echo ;
 145                 echo "configure: No HOST specified." ;
 146                 echo) 1>&2
 147                 fatal=true
 148         fi
 149 fi
 150
 151 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 152         (echo "Usage: configure HOST" ;
 153         echo ;
 154         echo "Options: [defaults in brackets]" ;
 155         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
 156         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
 157         echo " +subdirs         configure in subdirectories.  [in source directories]" ;
 158         echo " +lang=LANG       configure to build LANG. [gcc]" ;
 159         echo " +help            print this message. [normal config]" ;
 160         echo " +gas             configure the compilers for use with gas. [native as]" ;
 161         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
 162         echo " +norecursion     configure this directory only. [recurse]" ;
 163         echo " +rm              remove this configuration. [build a configuration]" ;
 164         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 165         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
 166         echo ;
 167         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 168         echo "Asking for more than one \"+target\" implies \"+subdirs\".  Any other" ;
 169         echo "options given will apply to all targets.") 1>&2
 170
 171         if [ -r config.status ] ; then
 172                 cat config.status
 173         fi
 174
 175         exit 1
 176 fi
 177
 178 #### configure.in common parts come in here.
 179 # This file is a shell script that supplies the information necessary
 180 # to tailor a template configure script into the configure script
 181 # appropriate for this directory.  For more information, check any
 182 # existing configure script.
 183
 184 srctrigger=ar.c
 185 srcname="binutils"
 186
 187 ## end of common part.
 188
 189 # are we rebuilding config itself?
 190 if [ -n "${template}" ] ; then
 191         if [ ! -r ${template} ] ; then
 192                 echo '***' "Can't find template ${template}." 1>&2
 193                 exit 1
 194         fi
 195
 196 # prep the template
 197         sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
 198 #### configure.in common parts come in here.\
 199 ## end of common part.' \
 200         -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
 201 #### configure.in per-host parts come in here.\
 202 ## end of per-host part.' \
 203         -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
 204 #### configure.in per-target parts come in here.\
 205 ## end of per-target part.' \
 206         -e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
 207 #### configure.in post-target parts come in here.\
 208 ## end of post-target part.' \
 209         < ${template} > template.new
 210
 211         if [ -r configure.in ] ; then
 212                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
 213                         echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
 214                         exit 1
 215                 fi
 216
 217                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
 218                         echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
 219                         exit 1
 220                 fi
 221
 222                 # split configure.in into common, per-host, per-target,
 223                 # and post-target parts.  Post-target is optional.
 224                 sed -e '/^# per\-host:/,$d' configure.in > configure.com
 225                 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
 226                 if grep -s '^# post-target:' configure.in ; then
 227                   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
 228                   sed -e '1,/^# post\-target:/d' configure.in > configure.pos
 229                 else
 230                   sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
 231                   echo >configure.pos
 232                 fi
 233
 234                 # and insert them
 235                 sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
 236                         -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
 237                         -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
 238                         -e '/^#### configure.in post\-target parts come in here.$/  r configure.pos' \
 239                         template.new > configure.new
 240
 241                 rm -f configure.com configure.tgt configure.hst configure.pos
 242         else
 243                 echo Warning: no configure.in in `pwd`
 244                 cat ${template} >> configure
 245         fi
 246
 247         chmod a+x configure.new
 248         rm template.new
 249 #       mv configure configure.old
 250         mv configure.new configure
 251
 252         if [ -n "${verbose}" ] ; then
 253                 echo Rebuilt configure in `pwd`
 254         fi
 255
 256         # Now update config.sub from the template directory.
 257         if echo "$template" | grep -s 'configure$' ; then
 258                 cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
 259         #       mv config.sub config.sub.old
 260                 mv config.sub.new config.sub
 261
 262                 if [ -n "${verbose}" ] ; then
 263                         echo Rebuilt config.sub in `pwd`
 264                 fi
 265         fi
 266
 267         if [ -z "${norecursion}" ] ; then
 268                 # If template is relative path, make it absolute for recurring.
 269                 if echo "${template}" | grep -s '^/' ; then
 270                    true
 271                 else
 272                    template=`pwd`/${template}
 273                 fi
 274
 275                 while [ -n "${configdirs}" ] ; do
 276                         # set configdir to car of configdirs, configdirs to cdr of configdirs
 277                         set ${configdirs}; configdir=$1; shift; configdirs=$*
 278
 279                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
 280                                 targetspecificdirs=${configdir}.*
 281                         else
 282                                 targetspecificdirs=
 283                         fi
 284
 285                         for i in ${configdir} ${targetspecificdirs} ; do
 286                                 if [ -d $i ] ; then
 287                                         if [ -r $i/configure ] ; then
 288                                                 (cd $i ;
 289                                                         ./configure +template=${template} ${verbose})
 290                                         else
 291                                                 echo Warning: No configure script in `pwd`/$i
 292                                         fi
 293                                 else
 294                                         if [ -n "${verbose}" ] ; then
 295                                           echo Warning: directory $i is missing.
 296                                         fi
 297                                 fi
 298                         done
 299                 done
 300         fi
 301
 302         exit 0
 303 fi
 304
 305 # some sanity checks on configure.in
 306 if [ -z "${srctrigger}" ] ; then
 307         echo Warning: srctrigger not set in configure.in. `pwd` not configured.
 308         exit 1
 309 fi
 310
 311 for host in ${hosts} ; do
 312         # Default other arg
 313         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 314                 targets=${host}
 315                 defaulttargets=true
 316         fi
 317
 318         host_alias=${host}
 319
 320         result=`/bin/sh ./config.sub ${host}`
 321         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 322         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 323         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 324         host=${host_cpu}-${host_vendor}-${host_os}
 325         host_makefile_frag=config/hmake-${host}
 326
 327 #### configure.in per-host parts come in here.
 328
 329 if [ "${host_os}" = "posix" ] ; then
 330         my_host=posix
 331 else
 332         case "${host_cpu}" in
 333         rs6000) my_host=aix ;;
 334         mips)
 335                 case "${host_vendor}" in
 336                 dec)    my_host=dec3100 ;;
 337                 esac
 338                 ;;
 339         m88k)
 340                 case "${host_vendor}" in
 341                 *)
 342                         case "${host_os}" in
 343                         dgux)   my_host=dgux ;;
 344                         esac
 345                         ;;
 346                 esac
 347                 ;;
 348
 349         m68k)
 350                 case "${host_vendor}" in
 351                 hp)     my_host=hp9000 ;;
 352                 sony)   my_host=news ;;
 353                 sun)    my_host=sun3 ;;
 354                 esac
 355                 ;;
 356
 357         i386)
 358                 case "${host_vendor}" in
 359                 *)
 360                         case "${host_os}" in
 361                         sysv)   my_host=i386v ;;
 362                         esac
 363                         ;;
 364                 esac
 365                 ;;
 366
 367         sparc)
 368                 case "${host_vendor}" in
 369                 sun)    my_host=sun4 ;;
 370                 esac
 371                 ;;
 372
 373         rtpc)   my_host=rtbsd ;;
 374         tahoe | vax)    my_host=${host_cpu} ;;
 375         esac
 376 fi
 377
 378 if [ ! -f config/hmake-${my_host} ] ; then
 379         echo '***' Binutils do not support host ${host}
 380         exit 1
 381 fi
 382
 383 host_makefile_frag=config/hmake-${my_host}
 384
 385 ## end of per-host part.
 386
 387         for target in ${targets} ; do
 388
 389                 target_alias=${target}
 390                 result=`/bin/sh ./config.sub ${target}`
 391                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 392                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 393                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 394                 target=${target_cpu}-${target_vendor}-${target_os}
 395                 target_makefile_frag=config/tmake-${target}
 396
 397 #### configure.in per-target parts come in here.
 398
 399 files=
 400 links=
 401 ## end of per-target part.
 402
 403                 # Temporarily, we support only direct subdir builds.
 404                 hostsubdir=H-${host_alias}
 405                 targetsubdir=T-${target_alias}
 406
 407                 if [ -n "${removing}" ] ; then
 408                         if [ -n "${subdirs}" ] ; then
 409                                 if [ -d "${hostsubdir}" ] ; then
 410                                         rm -rf ${hostsubdir}/${targetsubdir}
 411
 412                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
 413                                                 rm -rf ${hostsubdir}
 414                                         fi
 415                                 else
 416                                         echo Warning: no `pwd`/${hostsubdir} to remove.
 417                                 fi
 418                         else
 419                                 rm -f ${Makefile} config.status ${links}
 420                         fi
 421                 else
 422                         if [ -n "${subdirs}" ] ; then
 423                                 # check for existing status before allowing forced subdirs.
 424                                 if [ -f ${Makefile} ] ; then
 425                                         echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
 426                                         exit 1
 427                                 fi
 428
 429                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
 430                                 cd ${hostsubdir}
 431
 432                                 if [ ! -d ${targetsubdir} ] ; then
 433                                         if [ -z "${commontargets}" ] ; then
 434                                                 mkdir ${targetsubdir}
 435                                         else
 436                                                 if [ ! -d Target-independent ] ; then
 437                                                         mkdir Target-independent
 438                                                 fi
 439
 440                                                 ${symbolic_link} Target-independent ${targetsubdir}
 441                                         fi # if target independent
 442                                 fi # if no target dir yet
 443
 444                                 cd ${targetsubdir}
 445
 446                                 srcdir=../..
 447                         else
 448                                 # if not subdir builds, then make sure none exist.
 449                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
 450                                         echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
 451                                         exit 1
 452                                 fi
 453                         fi
 454
 455                         # Find the source files, if location was not specified.
 456                         if [ -z "${srcdir}" ] ; then
 457                                 srcdirdefaulted=1
 458                                 srcdir=.
 459                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
 460                                         srcdir=..
 461                                 fi
 462                         fi
 463
 464                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
 465                                 if [ -z "${srcdirdefaulted}" ] ; then
 466                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
 467                                 else
 468                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
 469                                 fi
 470
 471                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 472                                 exit 1
 473                         fi
 474
 475                         # Set up the list of links to be made.
 476                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 477
 478                         # Make the links.
 479                         while [ -n "${files}" ] ; do
 480                                 # set file to car of files, files to cdr of files
 481                                 set ${files}; file=$1; shift; files=$*
 482                                 set ${links}; link=$1; shift; links=$*
 483
 484                                 if [ ! -r ${srcdir}/${file} ] ; then
 485                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 486                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 487                                         exit 1
 488                                 fi
 489
 490                                 ${remove} -f ${link}
 491                                 rm -f config.status
 492                                 # Make a symlink if possible, otherwise try a hard link
 493                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 494
 495                                 if [ ! -r ${link} ] ; then
 496                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 497                                         exit 1
 498                                 fi
 499
 500                                 if [ -n "${verbose}" ] ; then
 501                                         echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 502                                 fi
 503                         done
 504
 505                         # Create a .gdbinit file which runs the one in srcdir
 506                         # and tells GDB to look there for source files.
 507
 508                         case ${srcdir} in
 509                         .)
 510                                 ;;
 511                         *)
 512                                 echo "dir ." > .gdbinit
 513                                 echo "dir ${srcdir}" >> .gdbinit
 514                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 515                                 ;;
 516                         esac
 517
 518                         # Install a makefile, and make it set VPATH
 519                         # if necessary so that the sources are found.
 520                         # Also change its value of srcdir.
 521
 522                 # FIXME-someday: This business of always writing to .tem and mv back
 523                 # is so that I don't screw things up while developing.  Once this
 524                 # template is stable, these should be optimized. xoxorich.
 525
 526                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 527                         if [ "${host}" != "${target}" ] ; then
 528                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 529                                 echo "ALL=start.encap" >> ${Makefile}
 530                         else
 531                                 echo "ALL=all.internal" > ${Makefile}
 532                         fi
 533
 534                         # set target, host, VPATH
 535                         echo "host_alias = ${host_alias}" >> ${Makefile}
 536                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 537                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 538                         echo "host_os = ${host_os}" >> ${Makefile}
 539
 540                         echo "target_alias = ${target_alias}" >> ${Makefile}
 541                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 542                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 543                         echo "target_os = ${target_os}" >> ${Makefile}
 544
 545                         if [ -n "${subdirs}" ] ; then
 546                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
 547                         else
 548                                 echo "subdir =" >> ${Makefile}
 549                         fi
 550
 551                 #       echo "workdir = `pwd`" >> ${Makefile}
 552                         echo "VPATH = ${srcdir}" >> ${Makefile}
 553
 554                         # add "Makefile.in" (or whatever it's called)
 555                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 556
 557                         # Conditionalize the makefile for this host.
 558                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 559                                 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
 560                                         sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
 561                                 mv Makefile.tem ${Makefile}
 562                         fi
 563
 564                         # Conditionalize the makefile for this target.
 565                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 566                                 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
 567                                         sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
 568                                 mv Makefile.tem ${Makefile}
 569                         fi
 570
 571                         # set srcdir
 572                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
 573                         mv Makefile.tem ${Makefile}
 574
 575                         # set destdir
 576                         if [ -n "${destdir}" ] ; then
 577                                 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
 578                                 mv Makefile.tem ${Makefile}
 579                         fi
 580
 581                         # reset SUBDIRS
 582                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 583                         mv Makefile.tem ${Makefile}
 584
 585                         # reset NONSUBDIRS
 586                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 587                         mv Makefile.tem ${Makefile}
 588
 589                         using=
 590                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 591                                 using=" using \"${host_makefile_frag}\""
 592                         fi
 593
 594                         # remove any form feeds.
 595                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 596                         mv Makefile.tem ${Makefile}
 597
 598                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 599                                 if [ -z "${using}" ] ; then
 600                                         andusing=" using \"${target_makefile_frag}\""
 601                                 else
 602                                         andusing="${using} and \"${target_makefile_frag}\""
 603                                 fi
 604                         else
 605                                 andusing=${using}
 606                         fi
 607
 608                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 609                                 echo "Created \"${Makefile}\"" in `pwd`${andusing}.
 610                         fi
 611
 612 #### configure.in post-target parts come in here.
 613
 614 ## end of post-target part.
 615
 616                         # describe the chosen configuration in config.status.
 617                         # Make that file a shellscript which will reestablish
 618                         # the same configuration.  Used in Makefiles to rebuild
 619                         # Makefiles.
 620
 621                         echo "#!/bin/sh
 622 # ${srcname} was configured as follows:
 623 ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
 624                         chmod a+x config.status
 625
 626                         originaldir=`pwd`
 627                         cd ${srcdir}
 628                 fi
 629
 630                 # If there are subdirectories, then recurse.
 631                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 632                         for configdir in ${configdirs} ; do
 633                                 if [ -n "${verbose}" ] ; then
 634                                         echo Configuring ${configdir}...
 635                                 fi
 636
 637                                 if [ -d ${configdir} ] ; then
 638                                         (cd ${configdir} ;
 639                                                 ./configure +recurring ${host_alias} +target=${target_alias} \
 640                                                         ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
 641                                                 | sed 's/^/     /'
 642                                 else
 643                                         if [ -n "${verbose}" ] ; then
 644                                                 echo Warning: directory \"${configdir}\" is missing.
 645                                         fi
 646                                 fi
 647                         done
 648                 fi
 649         done # for each target
 650
 651         # Now build a Makefile for this host.
 652         if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
 653                 cd ${hostsubdir}
 654                 cat > GNUmakefile << E!O!F
 655 # Makefile generated by configure for host ${host_alias}.
 656
 657 ALL := $(shell ls -d Target-*)
 658
 659 %:
 660         $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
 661
 662 all:
 663 E!O!F
 664                 cd ..
 665         fi
 666 done # for each host
 667
 668 exit 0
 669
 670 #
 671 # Local Variables:
 672 # fill-column: 131
 673 # End:
 674 #
 675
 676 # end of configure