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 # set -e
  37
  38 remove=rm
  39 hard_link=ln
  40 symbolic_link='ln -s'
  41
  42 #for Test
  43 #remove="echo rm"
  44 #hard_link="echo ln"
  45 #symbolic_link="echo ln -s"
  46
  47 # clear some things potentially inherited from environment.
  48
  49 Makefile=Makefile
  50 Makefile_in=Makefile.in
  51 ansi=
  52 arguments=$*
  53 commontargets=
  54 configdirs=
  55 defaulttargets=
  56 destdir=
  57 fatal=
  58 hostsubdir=
  59 norecursion=
  60 objdir=
  61 objdiroption=
  62 progname=
  63 recurring=
  64 removing=
  65 srcdir=
  66 srctrigger=
  67 target=
  68 targets=
  69 targetsubdir=
  70 verbose=
  71
  72 for arg in $*;
  73 do
  74         case ${arg} in
  75         -ansi | +a*)
  76                 ansi=true
  77                 clib=clib
  78                 ;;
  79         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
  80                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
  81                 ;;
  82         -languages=* | +languages=* | +language=* | +languag=* \
  83                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
  84                 | +l=*)
  85                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
  86                 ;;
  87         -gas | +g*)
  88                 gas=yes
  89                 ;;
  90         -help | +h*)
  91                 fatal=true
  92                 ;;
  93         -nfp | +nf*)
  94                 nfp=yes
  95                 ;;
  96         -norecursion | +no*)
  97                 norecursion=true
  98                 ;;
  99         -objdir=* | +objdir=* | +objdi=* | +objd=* | +obj=* | +ob=* | +o=*)
 100                 objdiroption=${arg}
 101                 objdir=`echo ${arg} | sed 's/[+-]o[a-z]*=//'`
 102                 ;;
 103         -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
 104                 recurring=true
 105                 ;;
 106         -rm | +rm)
 107                 removing=${arg}
 108                 ;;
 109         -site=* | +site=* | +sit=* | +si=*)
 110                 site=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
 111                 ;;
 112 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=*)
 113 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
 114 #               ;;
 115         -subdirs | +su*)
 116                 subdirs=${arg}
 117                 ;;
 118         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
 119                 if [ -n "${targets}" ] ; then
 120                         subdirs="+subdirs"
 121                 fi
 122
 123                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
 124                 targets="${newtargets}"
 125                 ;;
 126         -tmpdir=* | +tmpdir=* | +tmpdi=* | +tmpd=* | +tmp=* | +tm=*)
 127                 tmpdiroption=${arg}
 128                 TMPDIR=`echo ${arg} | sed 's/[+-]t[a-z]*=//'`
 129                 ;;
 130         -v | -verbose | +v*)
 131                 verbose=${arg}
 132                 ;;
 133         -* | +*)
 134                 (echo ;
 135                 echo "Unrecognized option: \"${arg}\"". ;
 136                 echo) 1>&2
 137                 fatal=true
 138                 ;;
 139         *)
 140                 if [ -n "${hosts}" ] ; then
 141                         subdirs="+subdirs"
 142                 fi
 143
 144                 newhosts="${hosts} ${arg}"
 145                 hosts=${newhosts}
 146                 ;;
 147         esac
 148 done
 149
 150 if [ -n "${verbose}" ] ; then
 151         echo $0 $*
 152 fi
 153
 154 ## this is a little touchy and won't always work, but...
 155 ##
 156 ## if the argv[0] starts with a slash then it is an absolute name that can be
 157 ## used as is.
 158 ##
 159 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 160 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 161 ##
 162 ## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
 163 ## path.
 164 ##
 165
 166 if (echo $0 | grep '^/' > /dev/null) ; then
 167         progname=$0
 168 else
 169         if (echo $0 | grep '/' > /dev/null) ; then
 170                 progname=`pwd`/$0
 171         else
 172                 progname=$0
 173                 PATH=$PATH:`pwd` ; export PATH
 174         fi
 175 fi
 176
 177 configsub=`echo ${progname} | sed 's/configure\$/config.sub/'`
 178
 179 if [ ! -f ${configsub} ] ; then
 180         echo '***' cannot find config.sub.
 181         echo 1
 182 fi
 183
 184 # process host and target only if not removing.
 185 if [ -z "${removing}" -a -z "${fatal}" ] ; then
 186         # Complain if an arg is missing
 187         if [ -z "${hosts}" ] ; then
 188                 (echo ;
 189                 echo "configure: No HOST specified." ;
 190                 echo) 1>&2
 191                 fatal=true
 192         fi
 193 fi
 194
 195 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 196         (echo "Usage: configure HOST" ;
 197         echo ;
 198         echo "Options: [defaults in brackets]" ;
 199         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
 200         echo " +destdir=MYDIR   configure for installation into MYDIR. [\"/usr/local\"]" ;
 201         echo " +gas             configure the compilers for use with gas. [native as]" ;
 202         echo " +help            print this message. [normal config]" ;
 203         echo " +lang=LANG       configure to build LANG. [gcc]" ;
 204         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
 205         echo " +norecursion     configure this directory only. [recurse]" ;
 206         echo " +objdir=ODIR     configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
 207         echo " +rm              remove this configuration. [build a configuration]" ;
 208         echo " +site            configure with site specific makefile" ;
 209 # This is correctly aligned in the output, even though it isn't here.
 210         echo " +subdirs configure in subdirectories.  [in source directories]" ;
 211         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 212         echo " +tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 213         echo ;
 214         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 215         echo "Asking for more than one \"+target\" implies \"+subdirs\".  Any other" ;
 216         echo "options given will apply to all targets.") 1>&2
 217
 218         if [ -r config.status ] ; then
 219                 cat config.status
 220         fi
 221
 222         exit 1
 223 fi
 224
 225 ### break up configure.in.
 226 if [ -r configure.in ] ; then
 227         if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
 228                 echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
 229                 exit 1
 230         fi
 231
 232         if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
 233                 echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
 234                 exit 1
 235         fi
 236
 237         if [ -z "${TMPDIR}" ] ; then
 238                 TMPDIR=/tmp ; export TMPDIR
 239         fi
 240
 241         # split configure.in into common, per-host, per-target,
 242         # and post-target parts.  Post-target is optional.
 243         sed -e '/^# per\-host:/,$d' configure.in > ${TMPDIR}/configure.$$.com
 244         sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.hst
 245         if grep -s '^# post-target:' configure.in ; then
 246           sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.tgt
 247           sed -e '1,/^# post\-target:/d' configure.in > ${TMPDIR}/configure.$$.pos
 248         else
 249           sed -e '1,/^# per\-target:/d' configure.in > ${TMPDIR}/configure.$$.tgt
 250           echo >${TMPDIR}/configure.$$.pos
 251         fi
 252
 253 else
 254         echo '***' No configure.in in `pwd`
 255         exit 1
 256 fi
 257
 258 ### do common part of configure.in
 259
 260 . ${TMPDIR}/configure.$$.com
 261
 262 # some sanity checks on configure.in
 263 if [ -z "${srctrigger}" ] ; then
 264         echo '***' srctrigger not set in `pwd`/configure.in.
 265         exit 1
 266 fi
 267
 268 for host in ${hosts} ; do
 269         # Default other arg
 270         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 271                 targets=${host}
 272                 defaulttargets=true
 273         fi
 274
 275         host_alias=${host}
 276
 277         result=`${configsub} ${host}`
 278         host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 279         host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 280         host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 281         host=${host_cpu}-${host_vendor}-${host_os}
 282         host_makefile_frag=config/hmake-${host}
 283
 284         . ${TMPDIR}/configure.$$.hst
 285
 286         for target in ${targets} ; do
 287
 288                 target_alias=${target}
 289                 result=`${configsub} ${target}`
 290                 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 291                 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 292                 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 293                 target=${target_cpu}-${target_vendor}-${target_os}
 294                 target_makefile_frag=config/tmake-${target}
 295
 296                 . ${TMPDIR}/configure.$$.tgt
 297
 298                 # Temporarily, we support only direct subdir builds.
 299                 hostsubdir=H-${host_alias}
 300                 targetsubdir=T-${target_alias}
 301
 302                 if [ -n "${removing}" ] ; then
 303                         if [ -n "${objdir}" ] ; then
 304                                 echo '***' +rm not supported for +objdir.  Just \"rm -rf ${objdir}\" by hand.
 305                                 exit 1
 306                         fi
 307
 308                         if [ -n "${subdirs}" ] ; then
 309                                 if [ -d "${hostsubdir}" ] ; then
 310                                         rm -rf ${hostsubdir}/${targetsubdir}
 311
 312                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep T- | grep -v T-independent`" ] ; then
 313                                                 rm -rf ${hostsubdir}
 314                                         fi
 315                                 else
 316                                         echo Warning: no `pwd`/${hostsubdir} to remove.
 317                                 fi
 318                         else
 319                                 rm -f ${Makefile} config.status ${links}
 320                         fi
 321                 else
 322                         if [ -n "${objdir}" ]; then
 323                                 srcdir=`pwd`
 324                                 cd ${objdir}
 325                         fi
 326
 327                         if [ -n "${subdirs}" ] ; then
 328                                 # check for existing status before allowing forced subdirs.
 329                                 if [ -f ${Makefile} ] ; then
 330                                         echo '***' "${Makefile} already exists in source directory.  `pwd` not configured." 1>&2
 331                                         exit 1
 332                                 fi
 333
 334                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
 335                                 cd ${hostsubdir}
 336
 337                                 if [ ! -d ${targetsubdir} ] ; then
 338                                         if [ -z "${commontargets}" ] ; then
 339                                                 mkdir ${targetsubdir}
 340                                         else
 341                                                 if [ ! -d T-independent ] ; then
 342                                                         mkdir T-independent
 343                                                 fi
 344
 345                                                 ${symbolic_link} T-independent ${targetsubdir}
 346                                         fi # if target independent
 347                                 fi # if no target dir yet
 348
 349                                 cd ${targetsubdir}
 350
 351                                 if [ -z "${srcdir}" ] ; then
 352                                         srcdir=../..
 353                                 fi
 354                         else
 355                                 # if not subdir builds, then make sure none exist.
 356                                 if [ -n "`(ls .) 2>&1 | (grep H- ; true)`" ] ; then
 357                                         echo '***' "Configured subdirs exist.  `pwd` not configured." 1>&2
 358                                         exit 1
 359                                 else
 360                                         true
 361                                 fi
 362                         fi
 363
 364                         # Find the source files, if location was not specified.
 365                         if [ -z "${srcdir}" ] ; then
 366                                 srcdirdefaulted=1
 367                                 srcdir=.
 368                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
 369                                         srcdir=..
 370                                 fi
 371                         fi
 372
 373                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
 374                                 if [ -z "${srcdirdefaulted}" ] ; then
 375                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
 376                                 else
 377                                         echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
 378                                 fi
 379
 380                                 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 381                                 exit 1
 382                         fi
 383
 384                         # Set up the list of links to be made.
 385                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 386
 387                         # Make the links.
 388                         while [ -n "${files}" ] ; do
 389                                 # set file to car of files, files to cdr of files
 390                                 set ${files}; file=$1; shift; files=$*
 391                                 set ${links}; link=$1; shift; links=$*
 392
 393                                 if [ ! -r ${srcdir}/${file} ] ; then
 394                                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 395                                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 396                                         exit 1
 397                                 fi
 398
 399                                 ${remove} -f ${link}
 400                                 rm -f config.status
 401                                 # Make a symlink if possible, otherwise try a hard link
 402                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 403
 404                                 if [ ! -r ${link} ] ; then
 405                                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 406                                         exit 1
 407                                 fi
 408
 409                                 if [ -n "${verbose}" ] ; then
 410                                         echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 411                                 fi
 412                         done
 413
 414                         # Create a .gdbinit file which runs the one in srcdir
 415                         # and tells GDB to look there for source files.
 416
 417                         case ${srcdir} in
 418                         .)
 419                                 ;;
 420                         *)
 421                                 echo "dir ." > .gdbinit
 422                                 echo "dir ${srcdir}" >> .gdbinit
 423                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 424                                 ;;
 425                         esac
 426
 427                         # Install a makefile, and make it set VPATH
 428                         # if necessary so that the sources are found.
 429                         # Also change its value of srcdir.
 430
 431                 # FIXME-someday: This business of always writing to .tem and mv back
 432                 # is so that I don't screw things up while developing.  Once this
 433                 # template is stable, these should be optimized. xoxorich.
 434
 435                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 436                         if [ "${host}" != "${target}" ] ; then
 437                                 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
 438                                 echo "ALL=start.encap" >> ${Makefile}
 439                         else
 440                                 echo "ALL=all.internal" > ${Makefile}
 441                         fi
 442
 443                         # set target, host, VPATH
 444                         echo "host_alias = ${host_alias}" >> ${Makefile}
 445                         echo "host_cpu = ${host_cpu}" >> ${Makefile}
 446                         echo "host_vendor = ${host_vendor}" >> ${Makefile}
 447                         echo "host_os = ${host_os}" >> ${Makefile}
 448
 449                         echo "target_alias = ${target_alias}" >> ${Makefile}
 450                         echo "target_cpu = ${target_cpu}" >> ${Makefile}
 451                         echo "target_vendor = ${target_vendor}" >> ${Makefile}
 452                         echo "target_os = ${target_os}" >> ${Makefile}
 453
 454                         if [ -n "${subdirs}" ] ; then
 455                                 (echo "subdir = /${hostsubdir}/${targetsubdir}" ;
 456                                         echo "unsubdir = ../..") >> ${Makefile}
 457                         else
 458                                 (echo "subdir =" ;
 459                                         echo "unsubdir = .") >> ${Makefile}
 460                         fi
 461
 462                 #       echo "workdir = `pwd`" >> ${Makefile}
 463                         echo "VPATH = ${srcdir}" >> ${Makefile}
 464
 465                         # add "Makefile.in" (or whatever it's called)
 466                         cat ${srcdir}/${Makefile_in} >> ${Makefile}
 467
 468                         # Conditionalize the makefile for this host.
 469                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 470                                 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
 471                                         sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
 472                                 mv Makefile.tem ${Makefile}
 473                         fi
 474
 475                         # Conditionalize the makefile for this target.
 476                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 477                                 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
 478                                         sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
 479                                 mv Makefile.tem ${Makefile}
 480                         fi
 481
 482                         # Conditionalize the makefile for this site.
 483                         if [ -n "${site}" ] ; then
 484                                 site_makefile_frag=smake-${site}
 485
 486                                 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 487                                         (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ;
 488                                                 sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
 489                                         mv Makefile.tem ${Makefile}
 490                                 fi
 491                         fi
 492
 493                         # set srcdir
 494                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
 495                         mv Makefile.tem ${Makefile}
 496
 497                         # set destdir
 498                         if [ -n "${destdir}" ] ; then
 499                                 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
 500                                 mv Makefile.tem ${Makefile}
 501                         fi
 502
 503                         # reset SUBDIRS
 504                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
 505                         mv Makefile.tem ${Makefile}
 506
 507                         # reset NONSUBDIRS
 508                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
 509                         mv Makefile.tem ${Makefile}
 510
 511                         # remove any form feeds.
 512                         sed -e "s/\f//" ${Makefile} > Makefile.tem
 513                         mv Makefile.tem ${Makefile}
 514
 515                         using=
 516                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
 517                                 using=" using \"${host_makefile_frag}\""
 518                         fi
 519
 520                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
 521                                 if [ -z "${using}" ] ; then
 522                                         andusing=" using \"${target_makefile_frag}\""
 523                                 else
 524                                         andusing="${using} and \"${target_makefile_frag}\""
 525                                 fi
 526                         else
 527                                 andusing=${using}
 528                         fi
 529
 530                         if [ -f ${srcdir}/${site_makefile_frag} ] ; then
 531                                 if [ -z "${andusing}" ] ; then
 532                                         andandusing=" using \"${site_makefile_frag}\""
 533                                 else
 534                                         andandusing="${andusing} and \"${site_makefile_frag}\""
 535                                 fi
 536                         else
 537                                 andandusing=${using}
 538                         fi
 539
 540                         if [ -n "${verbose}" -o -z "${recurring}" ] ; then
 541                                 echo "Created \"${Makefile}\"" in `pwd`${andandusing}.
 542                         fi
 543
 544                         if [ -f ${TMPDIR}/configure.$$.pos ] ; then
 545                                 . ${TMPDIR}/configure.$$.pos
 546                         fi
 547
 548                         # describe the chosen configuration in config.status.
 549                         # Make that file a shellscript which will reestablish
 550                         # the same configuration.  Used in Makefiles to rebuild
 551                         # Makefiles.
 552
 553                         echo "#!/bin/sh
 554 # `pwd` was configured as follows:
 555 (cd ${srcdir} ; ${progname}" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` ")" > config.status
 556                         chmod a+x config.status
 557
 558                         originaldir=`pwd`
 559                         cd ${srcdir}
 560                 fi
 561
 562                 # If there are subdirectories, then recurse.
 563                 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 564                         for configdir in ${configdirs} ; do
 565                                 if [ -n "${verbose}" ] ; then
 566                                         echo Configuring ${configdir}...
 567                                 fi
 568
 569                                 if [ -d ${configdir} ] ; then
 570                                         if [ -n "${objdir}" ] ; then
 571                                                 if [ ! -d ${objdir}/${configdir} ] ; then
 572                                                         mkdir ${objdir}/${configdir}
 573                                                 fi
 574                                         fi
 575
 576                                         (cd ${configdir} ;
 577                                                 ${progname} +recurring ${host_alias} +target=${target_alias} \
 578                                                         ${verbose} ${subdirs} ${removing} +destdir=${destdir} \
 579                                                         `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \
 580                                                         ${tmpdiroption}) \
 581                                                 | sed 's/^/     /'
 582                                 else
 583                                         if [ -n "${verbose}" ] ; then
 584                                                 echo Warning: directory \"${configdir}\" is missing.
 585                                         fi
 586                                 fi
 587                         done
 588                 fi
 589         done # for each target
 590
 591         # Now build a Makefile for this host.
 592         if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
 593                 push=`pwd`
 594
 595                 if [ -n "${objdir}" ] ; then
 596                         cd ${objdir}
 597                 fi
 598
 599                 cd ${hostsubdir}
 600                 cat > GNUmakefile << E!O!F
 601 # Makefile generated by configure for host ${host_alias}.
 602
 603 ALL := $(shell ls -d T-*)
 604
 605 %:
 606         $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
 607
 608 all:
 609 E!O!F
 610                 cd ${push}
 611         fi
 612 done # for each host
 613
 614 ### clean up.
 615
 616 rm -f ${TMPDIR}/configure.$$.com ${TMPDIR}/configure.$$.tgt ${TMPDIR}/configure.$$.hst ${TMPDIR}/configure.$$.pos
 617
 618 exit 0
 619
 620 #
 621 #
 622 # $Log$
 623 # Revision 1.52  1991/10/09 00:48:26  rich
 624 # Another patch from jim.
 625 #
 626 # Revision 1.51  1991/10/08  06:07:58  wilson
 627 # Fix bug in smake- file code.
 628 #
 629 # Revision 1.50  1991/10/04  23:49:37  rich
 630 # Per's patch for my config.sub botch.
 631 #
 632 # Revision 1.49  1991/10/04  22:52:09  rich
 633 # Use john's heuristic for finding ourselves.  kinda like hare krishna.
 634 #
 635 # Revision 1.48  1991/10/02  13:17:28  rich
 636 # take out the set -e for now
 637 #
 638 # Revision 1.47  1991/10/02  10:02:23  rich
 639 # * temporary files in TMPDIR
 640 # * +objdir
 641 #
 642 # Revision 1.46  1991/10/02  06:29:53  rich
 643 # Added +site=foo option for naming site specific Makefile fragments.
 644 #
 645 # Revision 1.45  1991/10/02  06:15:13  rich
 646 # Removed +f option.  Used to stand for +forcesubdirs which is now
 647 # called +subdirs.
 648 #
 649 # Revision 1.44  1991/10/02  06:02:35  rich
 650 # Added rcs log line.
 651 #
 652 #
 653 #
 654
 655 #
 656 # Local Variables:
 657 # fill-column: 131
 658 # End:
 659 #
 660
 661 # end of configure