ld/configure

   1 #!/bin/sh
   2 # Please do not edit this file.  It is generated automatically from
   3 # configure.in and a configure template.
   4 configdirs=
   5
   6 #!/bin/sh
   7
   8 # Configuration script template
   9 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
  10
  11 #This file is part of GNU.
  12
  13 #GNU CC is free software; you can redistribute it and/or modify
  14 #it under the terms of the GNU General Public License as published by
  15 #the Free Software Foundation; either version 1, or (at your option)
  16 #any later version.
  17
  18 #GNU CC is distributed in the hope that it will be useful,
  19 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 #GNU General Public License for more details.
  22
  23 #You should have received a copy of the GNU General Public License
  24 #along with GNU CC; see the file COPYING.  If not, write to
  25 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  26
  27 # $Id$
  28
  29 #
  30 # Shell script to create proper links to machine-dependent files in
  31 # preparation for compilation.
  32 #
  33 # If configure succeeds, it leaves its status in config.status.
  34 # If configure fails after disturbing the status quo,
  35 #       config.status is removed.
  36 #
  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 ansi=
  49 defaulttargets=
  50 destdir=
  51 fatal=
  52 hostsubdir=
  53 norecurse=
  54 removing=
  55 srcdir=
  56 srctrigger=
  57 target=
  58 targets=
  59 targetsubdir=
  60 template=
  61 verbose=
  62
  63 for arg in $*;
  64 do
  65         case ${arg} in
  66         -ansi | +ansi)
  67                 ansi=true
  68                 ;;
  69         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
  70                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
  71                 ;;
  72         -forcesubdirs | +forcesubdirs | +f)
  73                 forcesubdirs=${arg}
  74                 ;;
  75         -languages=* | +languages=* | +language=* | +languag=* \
  76                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
  77                 | +l=*)
  78                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
  79                 ;;
  80         -gas | +gas | +ga | +g)
  81                 gas=yes
  82                 ;;
  83         -help | +h | +help)
  84                 fatal=true
  85                 ;;
  86         -nfp | +nfp | +nf | +n)
  87                 nfp=yes
  88                 ;;
  89         -norecurse | +norecurse)
  90                 norecurse=true
  91                 ;;
  92         -rm | +rm)
  93                 removing=${arg}
  94                 ;;
  95 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
  96 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
  97 #               ;;
  98         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
  99                 if [ -n "${targets}" ] ; then
 100                         forcesubdirs="+forcesubdirs"
 101                 fi
 102
 103                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
 104                 targets="${newtargets}"
 105                 ;;
 106         -template=* | +template=*)
 107                 template=`echo ${arg} | sed 's/[+-]template=//'`
 108                 ;;
 109         +verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
 110                 verbose=${arg}
 111                 ;;
 112         -* | +*)
 113                 (echo ;
 114                 echo "Unrecognized option: \"${arg}\"". ;
 115                 echo) 1>&2
 116                 fatal=true
 117                 ;;
 118         *)
 119                 if [ -n "${hosts}" ] ; then
 120                         forcesubdirs="+forcesubdirs"
 121                 fi
 122
 123                 newhosts="${hosts} ${arg}"
 124                 hosts=${newhosts}
 125                 ;;
 126         esac
 127 done
 128
 129 if [ -n "${verbose}" ] ; then
 130         echo `pwd`/configure $*
 131         echo targets=\"${targets}\"
 132 fi
 133
 134 # process host and target only if not rebuilding configure itself or removing.
 135 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
 136         # Complain if an arg is missing
 137         if [ -z "${hosts}" ] ; then
 138                 (echo ;
 139                 echo "configure: No HOST specified." ;
 140                 echo) 2>&1
 141                 fatal=true
 142         fi
 143 fi
 144
 145 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
 146         (echo "Usage: configure HOST" ;
 147         echo ;
 148         echo "Options: [defaults in brackets]" ;
 149         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
 150         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
 151         echo " +forcesubdirs    configure in subdirectories.  [in source directories]" ;
 152         echo " +lang=LANG       configure to build LANG. [gcc]" ;
 153         echo " +help            print this message. [normal config]" ;
 154         echo " +gas             configure the compilers for use with gas. [native as]" ;
 155         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
 156         echo " +norecurse       configure this directory only. [recurse]" ;
 157         echo " +rm              remove this configuration. [build a configuration]" ;
 158         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
 159         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
 160         echo ;
 161         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 162         echo "Asking for more than one \"+target\" implies \"+forcesubdirs\".  Any other" ;
 163         echo "options given will apply to all targets.") 1>&2
 164
 165         if [ -r config.status ] ; then
 166                 cat config.status
 167         fi
 168
 169         exit 1
 170 fi
 171
 172 #### configure.in common parts come in here.
 173 # This file is a shell script fragment that supplies the information
 174 # necessary to tailor a template configure script into the configure
 175 # script appropriate for this directory.  For more information, check
 176 # any existing configure script.
 177
 178 configdirs=
 179 srctrigger=ldversion.c
 180 srcname="linker"
 181
 182 # per-host:
 183
 184
 185 ## end of common part
 186
 187 # are we rebuilding config itself?
 188 if [ -n "${template}" ] ; then
 189         if [ ! -r ${template} ] ; then
 190                 echo "Can't find template ${template}."
 191                 exit 1
 192         fi
 193
 194         mv configure configure.old
 195         echo "#!/bin/sh" > configure
 196         echo "# Please do not edit this file.  It is generated automatically from" >> configure
 197         echo "# configure.in and a configure template." >> configure
 198         echo "configdirs=" >> configure
 199         echo >> configure
 200
 201         if [ -r configure.in ] ; then
 202                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
 203                         echo `pwd`/configure.in has no "per-host:" line.
 204                         exit 1
 205                 fi
 206
 207                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
 208                         echo `pwd`/configure.in has no "per-target:" line.
 209                         exit 1
 210                 fi
 211
 212                 sed -e '/^# per\-target:/,$d' configure.in > configure.com
 213                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
 214
 215                 sed -e '/^#### configure.in common parts/  r configure.com' \
 216                         -e '/^#### /  r configure.tgt' \
 217                         ${template} >> configure
 218
 219                 rm -f configure.com configure.tgt configure.hst
 220         else
 221                 echo Warning: no configure.in in `pwd`
 222                 cat ${template} >> configure
 223         fi
 224
 225         chmod a+x configure
 226         rm configure.old
 227         echo Rebuilt configure in `pwd`
 228
 229         if [ -z "${norecurse}" ] ; then
 230                 while [ -n "${configdirs}" ] ; do
 231                         # set configdir to car of configdirs, configdirs to cdr of configdirs
 232                         set ${configdirs}; configdir=$1; shift; configdirs=$*
 233
 234                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
 235                                 targetspecificdirs=${configdir}.*
 236                         else
 237                                 targetspecificdirs=
 238                         fi
 239
 240                         for i in ${configdir} ${targetspecificdirs} ; do
 241                                 if [ -r $i/configure ] ; then
 242                                         (cd $i ;
 243                                                 ./configure +template=${template} ${verbose})
 244                                 else
 245                                         echo No configure script in `pwd`/$i
 246                                 fi
 247                         done
 248                 done
 249         fi
 250
 251         exit 0
 252 fi
 253
 254 # some sanity checks on configure.in
 255 if [ -z "${srctrigger}" ] ; then
 256         echo srctrigger not set in configure.in. `pwd` not configured.
 257         exit 1
 258 fi
 259
 260 for host in ${hosts} ; do
 261         # Default other arg
 262         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
 263                 targets=${host}
 264                 defaulttargets=true
 265         fi
 266
 267 #### configure.in per-host parts come in here.
 268
 269 ## end of per-target part
 270
 271
 272         for target in ${targets} ; do
 273
 274                 if [ -n "${verbose}" ] ; then
 275                         echo "  "target=\"${target}\"
 276                 fi
 277
 278 #### configure.in per-target parts come in here.
 279
 280 ## end of per-target part
 281
 282                 # Temporarily, we support only direct subdir builds.
 283                 hostsubdir=Host-${host}
 284                 targetsubdir=Target-${target}
 285
 286                 if [ -n "${removing}" ] ; then
 287                         if [ -d "${hostsubdir}/${targetsubdir}" ] ; then
 288                                 rm -rf ${hostsubdir}/${targetsubdir}
 289
 290                                 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
 291                                         rm -rf ${hostsubdir}
 292                                 fi
 293                         else
 294                                 rm -f Makefile config.status ${links}
 295                         fi
 296                 else
 297                         if [ -n "${forcesubdirs}" ] ; then
 298                                 # check for existing status before allowing forced subdirs.
 299                                 if [ -f Makefile ] ; then
 300                                         echo "Makefile already exists in source directory.  `pwd` not configured."
 301                                         exit 1
 302                                 fi
 303
 304                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
 305                                 cd ${hostsubdir}
 306
 307                                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
 308                                 cd ${targetsubdir}
 309
 310                                 srcdir=../..
 311                         else
 312                                 # if not subdir builds, then make sure none exist.
 313                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
 314                                         echo "Configured subdirs exist.  `pwd` not configured."
 315                                         exit 1
 316                                 fi
 317                         fi
 318
 319                         # Find the source files, if location was not specified.
 320                         if [ -z "${srcdir}" ] ; then
 321                                 srcdirdefaulted=1
 322                                 srcdir=.
 323                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
 324                                         srcdir=..
 325                                 fi
 326                         fi
 327
 328                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
 329                                 if [ -z "${srcdirdefaulted}" ] ; then
 330                                   echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
 331                                 else
 332                                   echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
 333                                 fi
 334
 335                                 exit 1
 336                         fi
 337
 338                         # Set up the list of links to be made.
 339                         # ${links} is the list of link names, and ${files} is the list of names to link to.
 340
 341                         # Make the links.
 342                         while [ -n "${files}" ] ; do
 343                                 # set file to car of files, files to cdr of files
 344                                 set ${files}; file=$1; shift; files=$*
 345                                 set ${links}; link=$1; shift; links=$*
 346
 347                                 if [ ! -r ${srcdir}/${file} ] ; then
 348                                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
 349                                         echo "since the file \"${file}\" does not exist." 1>&2
 350                                         exit 1
 351                                 fi
 352
 353                                 ${remove} -f ${link}
 354                                 rm -f config.status
 355                                 # Make a symlink if possible, otherwise try a hard link
 356                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 357
 358                                 if [ ! -r ${link} ] ; then
 359                                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 360                                         exit 1
 361                                 fi
 362                                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 363                         done
 364
 365                         # Create a .gdbinit file which runs the one in srcdir
 366                         # and tells GDB to look there for source files.
 367
 368                         case ${srcdir} in
 369                         .)
 370                                 ;;
 371                         *)
 372                                 echo "dir ." > .gdbinit
 373                                 echo "dir ${srcdir}" >> .gdbinit
 374                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 375                                 ;;
 376                         esac
 377
 378                         # Install a makefile, and make it set VPATH
 379                         # if necessary so that the sources are found.
 380                         # Also change its value of srcdir.
 381
 382                 # FIXME-someday: This business of always writing to .tem and mv back
 383                 # is so that I don't screw things up while developing.  Once this
 384                 # template is stable, these should be optimized. xoxorich.
 385
 386                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 387                         if [ "${host}" != "${target}" ] ; then
 388                                 echo "CROSS=-DCROSS_COMPILE" > Makefile
 389                                 echo "ALL=start.encap" >> Makefile
 390                         else
 391                                 echo "ALL=all.internal" > Makefile
 392                         fi
 393
 394                         # set target, host, VPATH
 395                         echo "host = ${host}" >> Makefile
 396                         echo "target = ${target}" >> Makefile
 397
 398                         if [ -n "${forcesubdirs}" ] ; then
 399                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
 400                         else
 401                                 echo "subdir =" >> Makefile
 402                         fi
 403
 404                 #       echo "workdir = `pwd`" >> Makefile
 405                         echo "VPATH = ${srcdir}" >> Makefile
 406
 407                         # add Makefile.in
 408                         cat ${srcdir}/Makefile.in >> Makefile
 409
 410                         # and shake thoroughly.
 411                         host_var_file=hmake-${host}
 412                         target_var_file=tmake-${target}
 413
 414                         # Conditionalize the makefile for this host.
 415                         if [ -f ${srcdir}/config/${host_var_file} ] ; then
 416                                 sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
 417                                 mv Makefile.tem Makefile
 418                         fi
 419
 420                         # Conditionalize the makefile for this target.
 421                         if [ -f ${srcdir}/config/${target_var_file} ] ; then
 422                                 sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
 423                                 mv Makefile.tem Makefile
 424                         fi
 425
 426                         # set srcdir
 427                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
 428                         mv Makefile.tem Makefile
 429
 430                         # set destdir
 431                         if [ -n "${destdir}" ] ; then
 432                                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
 433                                 mv Makefile.tem Makefile
 434                         fi
 435
 436                         # Remove all formfeeds, since some Makes get confused by them.
 437                         sed "s/\f//" Makefile >> Makefile.tem
 438                         mv Makefile.tem Makefile
 439
 440                         # reset SUBDIRS
 441                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
 442                         mv Makefile.tem Makefile
 443
 444                         # reset NONSUBDIRS
 445                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
 446                         mv Makefile.tem Makefile
 447
 448                         using=
 449                         if [ -f ${srcdir}/config/${host_var_file} ] ; then
 450                                 using=" using \"${host_var_file}\""
 451                         fi
 452
 453                         if [ -f ${srcdir}/config/${target_var_file} ] ; then
 454                                 if [ -z "${using}" ] ; then
 455                                         andusing=" using \"${target_var_file}\""
 456                                 else
 457                                         andusing="${using} and \"${target_var_file}\""
 458                                 fi
 459                         else
 460                                 andusing=${using}
 461                         fi
 462
 463                         echo "Created \"Makefile\"" in `pwd`${andusing}.
 464
 465                         if [ "${host}" = "${target}" ] ; then
 466                                 echo "Links are now set up for use with a ${target}." \
 467                                         > config.status
 468                 #                       | tee ${srcdir}/config.status
 469                         else
 470                                 echo "Links are now set up for host ${host} and target ${target}." \
 471                                         > config.status
 472                 #                       | tee ${srcdir}/config.status
 473                         fi
 474
 475                         originaldir=`pwd`
 476                         cd ${srcdir}
 477                 fi
 478         done
 479 done
 480
 481 # If there are subdirectories, then recurse.
 482
 483 if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi
 484
 485 # configdirs is not null
 486 for configdir in ${configdirs} ; do
 487         echo Configuring ${configdir}...
 488         specifics=
 489         commons=
 490
 491         if [ -n "${defaulttargets}" ] ; then
 492                 for host in ${hosts} ; do
 493                         if [ -d ${configdir}.${host} ] ; then
 494                                 newspecifics="${specifics} ${host}"
 495                                 specifics=${newspecifics}
 496                         else
 497                                 newcommons="${commons} ${host}"
 498                                 commons=${newcommons}
 499                         fi # if target specific
 500                 done # for each host
 501
 502                 if [ -n "${commons}" ] ; then
 503                         (cd ${configdir} ;
 504                                 ./configure ${commons} ${verbose} ${forcesubdirs} ${removing}) \
 505                                 | sed 's/^/     /'
 506                 fi # if any common hosts
 507
 508                 if [ -n "${specifics}" ] ; then
 509                         for host in ${specifics} ; do
 510                                 echo Configuring target specific directory ${configdir}.${host}...
 511                                 (cd ${configdir}.${host} ;
 512                                         ./configure ${host} ${verbose} ${forcesubdirs} ${removing}) \
 513                                         | sed 's/^/     /'
 514                         done # for host in specifics
 515                 fi # if there are any specifics
 516         else
 517
 518                 for target in ${targets} ; do
 519                         if [ -d ${configdir}.${target} ] ; then
 520                                 newspecifics="${specifics} ${target}"
 521                                 specifics=${newspecifics}
 522                         else
 523                                 newcommons="${commons} +target=${target}"
 524                                 commons=${newcommons}
 525                         fi
 526
 527                 done # check for target specific dir override
 528
 529                 if [ -n "${verbose}" ] ; then
 530                         echo "  "commons=\"${commons}\"
 531                         echo "  "specifics=\"${specifics}\"
 532                 fi # if verbose
 533
 534                 if [ -n "${commons}" ] ; then
 535                         (cd ${configdir} ;
 536                                 ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons}) \
 537                                 | sed 's/^/     /'
 538                 fi # if any commons
 539
 540                 if [ -n "${specifics}" ] ; then
 541                         for target in ${specifics} ; do
 542                                 echo Configuring target specific directory ${configdir}.${target}...
 543                                 (cd ${configdir}.${target} ;
 544                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}") \
 545                                         | sed 's/^/     /'
 546                         done
 547                 fi # if any specifics
 548         fi # not default targets
 549 done
 550
 551 exit 0
 552
 553 #
 554 # $Log$
 555 # Revision 1.7  1991/04/15 23:57:22  rich
 556 # Now handles multiple hosts and targets.
 557 #
 558 # Revision 1.5  1991/04/15  23:43:44  rich
 559 # Now handles multiple hosts and targets.
 560 #
 561 # Revision 1.4  1991/04/13  02:11:03  rich
 562 # Config cut 3.  We now almost install a29k.
 563 #
 564 # Revision 1.3  1991/04/11  02:41:54  rich
 565 # Cut 2 config.  Subdirs.
 566 #
 567 #
 568 #
 569
 570 #
 571 # Local Variables:
 572 # fill-column: 131
 573 # End:
 574 #
 575
 576 # end of configure.template