gdb/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 "${hosts}" = "help" ] ; then
 152         (echo "Usage: configure HOST" ;
 153         echo ;
 154         echo "Options: [defaults in brackets]" ;
 155         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
 156         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
 157         echo " +subdirs         configure in subdirectories.  [in source directories]" ;
 158         echo " +lang=LANG       configure to build LANG. [gcc]" ;
 159         echo " +help            print this message. [normal config]" ;
 160         echo " +gas             configure the compilers for use with gas. [native as]" ;
 161         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
 162         echo " +norecursion     configure this directory only. [recurse]" ;
 163         echo " +rm              remove this configuration. [build a configuration]" ;
 164         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 165         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
 166         echo ;
 167         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 168         echo "Asking for more than one \"+target\" implies \"+subdirs\".  Any other" ;
 169         echo "options given will apply to all targets.") 1>&2
 170
 171         if [ -r config.status ] ; then
 172                 cat config.status
 173         fi
 174
 175         exit 1
 176 fi
 177
 178 #### configure.in common parts come in here.
 179 srcname="GDB"
 180 srctrigger=main.c
 181
 182 ## end of common part.
 183
 184 # are we rebuilding config itself?
 185 if [ -n "${template}" ] ; then
 186         if [ ! -r ${template} ] ; then
 187                 echo '***' "Can't find template ${template}." 1>&2
 188                 exit 1
 189         fi
 190
 191 # prep the template
 192         sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
 193 #### configure.in common parts come in here.\
 194 ## end of common part.' \
 195         -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
 196 #### configure.in per-host parts come in here.\
 197 ## end of per-host part.' \
 198         -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
 199 #### configure.in per-target parts come in here.\
 200 ## end of per-target part.' \
 201         -e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
 202 #### configure.in post-target parts come in here.\
 203 ## end of post-target part.' \
 204         < ${template} > template.new
 205
 206         if [ -r configure.in ] ; then
 207                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
 208                         echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
 209                         exit 1
 210                 fi
 211
 212                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
 213                         echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
 214                         exit 1
 215                 fi
 216
 217                 # split configure.in into common, per-host, per-target,
 218                 # and post-target parts.  Post-target is optional.
 219                 sed -e '/^# per\-host:/,$d' configure.in > configure.com
 220                 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
 221                 if grep -s '^# post-target:' configure.in ; then
 222                   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
 223                   sed -e '1,/^# post\-target:/d' configure.in > configure.pos
 224                 else
 225                   sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
 226                   echo >configure.pos
 227                 fi
 228
 229                 # and insert them
 230                 sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
 231                         -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
 232                         -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
 233                         -e '/^#### configure.in post\-target parts come in here.$/  r configure.pos' \
 234                         template.new > configure.new
 235
 236                 rm -f configure.com configure.tgt configure.hst configure.pos
 237         else
 238                 echo Warning: no configure.in in `pwd`
 239                 cat ${template} >> configure
 240         fi
 241
 242         chmod a+x configure.new
 243         rm template.new
 244 #       mv configure configure.old
 245         mv configure.new configure
 246
 247         if [ -n "${verbose}" ] ; then
 248                 echo Rebuilt configure in `pwd`
 249         fi
 250
 251         # Now update config.sub from the template directory.
 252         if echo "$template" | grep -s 'configure$' ; then
 253                 cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
 254         #       mv config.sub config.sub.old
 255                 mv config.sub.new config.sub
 256
 257                 if [ -n "${verbose}" ] ; then
 258                         echo Rebuilt config.sub in `pwd`
 259                 fi
 260         fi
 261
 262         if [ -z "${norecursion}" ] ; then
 263                 # If template is relative path, make it absolute for recurring.
 264                 if echo "${template}" | grep -s '^/' ; then
 265                    true
 266                 else
 267                    template=`pwd`/${template}
 268                 fi
 269
 270                 while [ -n "${configdirs}" ] ; do
 271                         # set configdir to car of configdirs, configdirs to cdr of configdirs
 272                         set ${configdirs}; configdir=$1; shift; configdirs=$*
 273
 274                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
 275                                 targetspecificdirs=${configdir}.*
 276                         else
 277                                 targetspecificdirs=
 278                         fi
 279
 280                         for i in ${configdir} ${targetspecificdirs} ; do
 281                                 if [ -d $i ] ; then
 282                                         if [ -r $i/configure ] ; then
 283                                                 (cd $i ;
 284                                                         ./configure +template=${template} ${verbose})
 285                                         else
 286                                                 echo Warning: No configure script in `pwd`/$i
 287                                         fi
 288                                 else
 289                                         if [ -n "${verbose}" ] ; then
 290                                           echo Warning: directory $i is missing.
 291                                         fi
 292                                 fi
 293                         done
 294                 done
 295         fi
 296
 297         exit 0
 298 fi
 299
 300 # some sanity checks on configure.in
 301 if [ -z "${srctrigger}" ] ; then
 302         echo Warning: srctrigger not set in configure.in. `pwd` not configured.
 303         exit 1
 304 fi
 305
 306 for host in ${hosts} ; do
 307         # Default other arg
 308         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 309                 targets=${host}
 310                 defaulttargets=true
 311         fi
 312
 313         host_alias=${host}
 314
 315         result=`/bin/sh ./config.sub ${host}`
 316         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 317         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 318         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 319         host=${host_cpu}-${host_vendor}-${host_os}
 320         host_makefile_frag=config/hmake-${host}
 321
 322 #### configure.in per-host parts come in here.
 323
 324 # map host info into gdb names.
 325
 326 case "${host_cpu}" in
 327
 328 m68k)
 329         case "${host_vendor}" in
 330         att)    gdb_host=3b1 ;;
 331         altos)
 332                 case "${host_os}" in
 333                 gas)    gdb_host=altosgas ;;
 334                 *)      gdb_host=altos ;;
 335                 esac
 336                 ;;
 337         hp)
 338                 case ${host_os} in
 339                 hpux)   gdb_host=hp300hpux ;;
 340                 bsd)    gdb_host=hp300bsd ;;
 341                 esac
 342                 ;;
 343
 344         isi)    gdb_host=isi ;;
 345         sony)   gdb_host=news ;;
 346         sun)
 347                 case "${host_os}" in
 348                 sunos3) gdb_host=sun3os3 ;;
 349                 sunos4) gdb_host=sun3os4 ;;
 350                 *)      gdb_host=sun3 ;;
 351                 esac
 352                 ;;
 353         esac
 354         ;;
 355
 356 m68000)
 357         case "${host_vendor}" in
 358         sun)
 359                 case "${host_os}" in
 360                 sunos3) gdb_host=sun2os3 ;;
 361                 sunos4) gdb_host=sun2os4 ;;
 362                 *)      gdb_host=sun2 ;;
 363                 esac
 364         esac
 365         ;;
 366
 367 sparc)
 368         case "${host_os}" in
 369         sunos3) gdb_host=sun4os3 ;;
 370         sunos4) gdb_host=sun4os4 ;;
 371         *)      gdb_host=sun4 ;;
 372         esac
 373         ;;
 374
 375 m68030)
 376         case "${host_vendor}" in
 377         sony)   gdb_host=news1000 ;;
 378         esac
 379         ;;
 380
 381 mips)
 382         case "${host_vendor}" in
 383         sony)   gdb_host=bigmips ;;
 384         dec)    gdb_host=dec3100 ;;
 385         little) gdb_host=littlemips ;;
 386         sgi)    gdb_host=irix3 ;;
 387         esac
 388         ;;
 389
 390 i386)
 391         case "${host_vendor}" in
 392         sun)    gdb_host=sun386 ;;
 393         sco)    gdb_host=i386sco ;;
 394         sequent)        gdb_host=symmetry ;;
 395         *)
 396                 case "${host_os}" in
 397                 sysv)   gdb_host=i386v ;;
 398                 sysv32) gdb_host=i386v32 ;;
 399                 esac
 400                 ;;
 401         esac
 402         ;;
 403
 404 c1 | c2)        gdb_host=convex ;;
 405
 406 ns32k)
 407         case "${host_vendor}" in
 408         umax)   gdb_host=umax ;;
 409         esac
 410         ;;
 411
 412 romp)
 413         gdb_host=rtbsd
 414         ;;
 415
 416 a29k)
 417         gdb_host=ultra3
 418         ;;
 419
 420 arm | vax | m88k | merlin | none | np1 | pn | pyramid | tahoe)
 421         gdb_host=${host_cpu}
 422         ;;
 423
 424 ### unhandled hosts
 425 #altosgas
 426 #i386v-g
 427 #i386v32-g
 428
 429 esac
 430
 431 if [ ! -f xconfig/${gdb_host} ]; then
 432         echo '***' "Gdb does not support host ${host}" 1>&2
 433         exit 1
 434 fi
 435
 436 #  We really shouldn't depend on there being a space after XM_FILE= ...
 437 hostfile=`awk '$1 == "XM_FILE=" { print $2 }' <xconfig/${gdb_host}`
 438
 439 ## end of per-host part.
 440
 441         for target in ${targets} ; do
 442
 443                 target_alias=${target}
 444                 result=`/bin/sh ./config.sub ${target}`
 445                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 446                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 447                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 448                 target=${target_cpu}-${target_vendor}-${target_os}
 449                 target_makefile_frag=config/tmake-${target}
 450
 451 #### configure.in per-target parts come in here.
 452
 453 case "${target_cpu}" in
 454
 455 m68k)
 456         case "${target_vendor}" in
 457         att)    gdb_target=3b1 ;;
 458         altos)  gdb_target=altos ;;
 459         hp)
 460                 case "${target_os}" in
 461                 bsd)    gdb_target=hp300bsd ;;
 462                 hpux)   gdb_target=hp300hpux ;;
 463                 esac
 464                 ;;
 465         sun)
 466                 case "${target_os}" in
 467                 sunos3) gdb_target=sun3os3 ;;
 468                 sunos4) gdb_target=sun3os4 ;;
 469                 *)      gdb_target=sun3 ;;
 470                 esac
 471                 ;;
 472         wrs)    gdb_target=vxworks68 ;;
 473         isi)    gdb_target=isi ;;
 474         sony)   gdb_target=news ;;
 475         esac
 476         ;;
 477
 478 m68000)
 479         case "${target_vendor}" in
 480         sun)
 481                 case "${target_os}" in
 482                 sunos3) gdb_target=sun2os3 ;;
 483                 sunos4) gdb_target=sun2os4 ;;
 484                 *)      gdb_target=sun2 ;;
 485                 esac
 486         esac
 487         ;;
 488
 489 m68030)
 490         case "${target_vendor}" in
 491         sony)   gdb_target=news1000 ;;
 492         esac
 493         ;;
 494
 495 none | arm | tahoe | vax | np1 | pn | np1 | pn | pyramid | merlin | m88k)
 496         gdb_target=${target_cpu} ;;
 497
 498 a29k)
 499         case "${target_os}" in
 500         none|aout|coff) gdb_target=a29k ;;
 501         sym1)   gdb_target=ultra3 ;;
 502         kern)   gdb_target=a29k-kern ;;
 503         esac
 504         ;;
 505
 506 mips)
 507         case "${target_vendor}" in
 508         sony)   gdb_target=bigmips ;;
 509         dec)    gdb_target=dec3100 ;;
 510         little) gdb_target=littlemips ;;
 511         sgi)    gdb_target=irix3 ;;
 512         esac
 513         ;;
 514
 515 c1 | c2)        gdb_target=convex ;;
 516
 517 sparc)
 518         case "${target_vendor}" in
 519         sun)
 520                 case "${target_os}" in
 521                 sunos3) gdb_target=sun4os3 ;;
 522                 sunos4) gdb_target=sun4os4 ;;
 523                 *)      gdb_target=sun4 ;;
 524                 esac
 525                 ;;
 526         esac
 527         ;;
 528
 529
 530 i386)
 531         case "${target_vendor}" in
 532         sco)    gdb_target=i386sco ;;
 533         sun)    gdb_target=sun386 ;;
 534         sequent)        gdb_target=symmetry ;;
 535         coff)   gdb_target=i386v ;;
 536         aout)   gdb_target=i386v ;;
 537         *)
 538                 case "${target_os}" in
 539                 sysv)   gdb_target=i386v ;;
 540                 sysv32) gdb_target=i386v32 ;;
 541                 esac
 542         esac
 543         ;;
 544
 545 i960)
 546         case "${target_vendor}" in
 547         bout | wrs)     gdb_target=vxworks960 ;;
 548         coff | intel)   gdb_target=nindy960 ;;
 549         esac
 550         ;;
 551
 552 ns32k)
 553         case "${target_vendor}" in
 554         utek)   gdb_target=umax ;;
 555         esac
 556         ;;
 557
 558 ### unhandled targets
 559 # altosgas
 560 # i386v-g
 561 # i386v32-g
 562
 563 esac
 564
 565 if [ ! -f tconfig/${gdb_target} ]; then
 566         echo '***' "Gdb does not support target ${target}" 1>&2
 567         exit 1
 568 fi
 569
 570 if [ -z "${removing}" ] ; then
 571         cat xconfig/${gdb_host} tconfig/${gdb_target} | awk '$1 == "#msg" {
 572                 print substr($0,6)}'
 573 fi
 574
 575 #  We really shouldn't depend on there being a space after TM_FILE= ...
 576 targetfile=`awk '$1 == "TM_FILE=" { print $2 }' <tconfig/${gdb_target}`
 577
 578 host_makefile_frag=xconfig/${gdb_host}
 579 target_makefile_frag=tconfig/${gdb_target}
 580
 581 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) is not set in the
 582 # ?config/* file, we don't make the corresponding links.  But we have
 583 # to remove the xm.h files and tm.h files anyway, e.g. when switching
 584 # from "configure host" to "configure none".
 585 files=
 586 links=
 587 rm -f xm.h
 588 if [ "${hostfile}" != "" ]; then
 589         files="${files} ${hostfile}"
 590         links="${links} xm.h"
 591 fi
 592 rm -f tm.h
 593 if [ "${targetfile}" != "" ]; then
 594         files="${files} ${targetfile}"
 595         links="${links} tm.h"
 596 fi
 597
 598 ## end of per-target part.
 599
 600                 # Temporarily, we support only direct subdir builds.
 601                 hostsubdir=H-${host_alias}
 602                 targetsubdir=T-${target_alias}
 603
 604                 if [ -n "${removing}" ] ; then
 605                         if [ -n "${subdirs}" ] ; then
 606                                 if [ -d "${hostsubdir}" ] ; then
 607                                         rm -rf ${hostsubdir}/${targetsubdir}
 608
 609                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
 610                                                 rm -rf ${hostsubdir}
 611                                         fi
 612                                 else
 613                                         echo Warning: no `pwd`/${hostsubdir} to remove.
 614                                 fi
 615                         else
 616                                 rm -f ${Makefile} config.status ${links}
 617                         fi
 618                 else
 619                         if [ -n "${subdirs}" ] ; then
 620                                 # check for existing status before allowing forced subdirs.
 621                                 if [ -f ${Makefile} ] ; then
 622                                         echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
 623                                         exit 1
 624                                 fi
 625
 626                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
 627                                 cd ${hostsubdir}
 628
 629                                 if [ ! -d ${targetsubdir} ] ; then
 630                                         if [ -z "${commontargets}" ] ; then
 631                                                 mkdir ${targetsubdir}
 632                                         else
 633                                                 if [ ! -d Target-independent ] ; then
 634                                                         mkdir Target-independent
 635                                                 fi
 636
 637                                                 ${symbolic_link} Target-independent ${targetsubdir}
 638                                         fi # if target independent
 639                                 fi # if no target dir yet
 640
 641                                 cd ${targetsubdir}
 642
 643                                 srcdir=../..
 644                         else
 645                                 # if not subdir builds, then make sure none exist.
 646                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
 647                                         echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
 648                                         exit 1
 649                                 fi
 650                         fi
 651
 652                         # Find the source files, if location was not specified.
 653                         if [ -z "${srcdir}" ] ; then
 654                                 srcdirdefaulted=1
 655                                 srcdir=.
 656                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
 657                                         srcdir=..
 658                                 fi
 659                         fi
 660
 661                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
 662                                 if [ -z "${srcdirdefaulted}" ] ; then
 663                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
 664                                 else
 665                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
 666                                 fi
 667
 668                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 669                                 exit 1
 670                         fi
 671
 672                         # Set up the list of links to be made.
 673                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 674
 675                         # Make the links.
 676                         while [ -n "${files}" ] ; do
 677                                 # set file to car of files, files to cdr of files
 678                                 set ${files}; file=$1; shift; files=$*
 679                                 set ${links}; link=$1; shift; links=$*
 680
 681                                 if [ ! -r ${srcdir}/${file} ] ; then
 682                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 683                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 684                                         exit 1
 685                                 fi
 686
 687                                 ${remove} -f ${link}
 688                                 rm -f config.status
 689                                 # Make a symlink if possible, otherwise try a hard link
 690                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 691
 692                                 if [ ! -r ${link} ] ; then
 693                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 694                                         exit 1
 695                                 fi
 696
 697                                 if [ -n "${verbose}" ] ; then
 698                                         echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 699                                 fi
 700                         done
 701
 702                         # Create a .gdbinit file which runs the one in srcdir
 703                         # and tells GDB to look there for source files.
 704
 705                         case ${srcdir} in
 706                         .)
 707                                 ;;
 708                         *)
 709                                 echo "dir ." > .gdbinit
 710                                 echo "dir ${srcdir}" >> .gdbinit
 711                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 712                                 ;;
 713                         esac
 714
 715                         # Install a makefile, and make it set VPATH
 716                         # if necessary so that the sources are found.
 717                         # Also change its value of srcdir.
 718
 719                 # FIXME-someday: This business of always writing to .tem and mv back
 720                 # is so that I don't screw things up while developing.  Once this
 721                 # template is stable, these should be optimized. xoxorich.
 722
 723                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 724                         if [ "${host}" != "${target}" ] ; then
 725                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 726                                 echo "ALL=start.encap" >> ${Makefile}
 727                         else
 728                                 echo "ALL=all.internal" > ${Makefile}
 729                         fi
 730
 731                         # set target, host, VPATH
 732                         echo "host_alias = ${host_alias}" >> ${Makefile}
 733                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 734                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 735                         echo "host_os = ${host_os}" >> ${Makefile}
 736
 737                         echo "target_alias = ${target_alias}" >> ${Makefile}
 738                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 739                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 740                         echo "target_os = ${target_os}" >> ${Makefile}
 741
 742                         if [ -n "${subdirs}" ] ; then
 743                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
 744                         else
 745                                 echo "subdir =" >> ${Makefile}
 746                         fi
 747
 748                 #       echo "workdir = `pwd`" >> ${Makefile}
 749                         echo "VPATH = ${srcdir}" >> ${Makefile}
 750
 751                         # add "Makefile.in" (or whatever it's called)
 752                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 753
 754                         # Conditionalize the makefile for this host.
 755                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 756                                 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
 757                                         sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
 758                                 mv Makefile.tem ${Makefile}
 759                         fi
 760
 761                         # Conditionalize the makefile for this target.
 762                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 763                                 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
 764                                         sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
 765                                 mv Makefile.tem ${Makefile}
 766                         fi
 767
 768                         # set srcdir
 769                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
 770                         mv Makefile.tem ${Makefile}
 771
 772                         # set destdir
 773                         if [ -n "${destdir}" ] ; then
 774                                 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
 775                                 mv Makefile.tem ${Makefile}
 776                         fi
 777
 778                         # reset SUBDIRS
 779                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 780                         mv Makefile.tem ${Makefile}
 781
 782                         # reset NONSUBDIRS
 783                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 784                         mv Makefile.tem ${Makefile}
 785
 786                         using=
 787                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 788                                 using=" using \"${host_makefile_frag}\""
 789                         fi
 790
 791                         # remove any form feeds.
 792                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 793                         mv Makefile.tem ${Makefile}
 794
 795                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 796                                 if [ -z "${using}" ] ; then
 797                                         andusing=" using \"${target_makefile_frag}\""
 798                                 else
 799                                         andusing="${using} and \"${target_makefile_frag}\""
 800                                 fi
 801                         else
 802                                 andusing=${using}
 803                         fi
 804
 805                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 806                                 echo "Created \"${Makefile}\"" in `pwd`${andusing}.
 807                         fi
 808
 809 #### configure.in post-target parts come in here.
 810
 811 case ${srcdir} in
 812   .)
 813     ;;
 814   *)
 815     grep -s "source ${srcdir}/.gdbinit" .gdbinit 2>/dev/null || \
 816       echo "source ${srcdir}/.gdbinit" >> .gdbinit
 817 esac
 818
 819 cat ${srcdir}/alldeps.mak ${srcdir}/depend >>Makefile
 820 ## end of post-target part.
 821
 822                         # describe the chosen configuration in config.status.
 823                         # Make that file a shellscript which will reestablish
 824                         # the same configuration.  Used in Makefiles to rebuild
 825                         # Makefiles.
 826
 827                         echo "#!/bin/sh
 828 # ${srcname} was configured as follows:
 829 ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
 830                         chmod a+x config.status
 831
 832                         originaldir=`pwd`
 833                         cd ${srcdir}
 834                 fi
 835
 836                 # If there are subdirectories, then recurse.
 837                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 838                         for configdir in ${configdirs} ; do
 839                                 if [ -n "${verbose}" ] ; then
 840                                         echo Configuring ${configdir}...
 841                                 fi
 842
 843                                 if [ -d ${configdir} ] ; then
 844                                         (cd ${configdir} ;
 845                                                 ./configure +recurring ${host_alias} +target=${target_alias} \
 846                                                         ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
 847                                                 | sed 's/^/     /'
 848                                 else
 849                                         if [ -n "${verbose}" ] ; then
 850                                                 echo Warning: directory \"${configdir}\" is missing.
 851                                         fi
 852                                 fi
 853                         done
 854                 fi
 855         done # for each target
 856
 857         # Now build a Makefile for this host.
 858         if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
 859                 cd ${hostsubdir}
 860                 cat > GNUmakefile << E!O!F
 861 # Makefile generated by configure for host ${host_alias}.
 862
 863 ALL := $(shell ls -d Target-*)
 864
 865 %:
 866         $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
 867
 868 all:
 869 E!O!F
 870                 cd ..
 871         fi
 872 done # for each host
 873
 874 exit 0
 875
 876 #
 877 # Local Variables:
 878 # fill-column: 131
 879 # End:
 880 #
 881
 882 # end of configure