configure

   1 #!/bin/sh
   2
   3 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
   4
   5 # Configuration script
   6 # Copyright (C) 1988, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
   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 # Please email any bugs, comments, and/or additions to this file to:
  23 # configure@cygnus.com
  24
  25 # This file was written by K. Richard Pixley.
  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 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  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 arguments=$*
  52 build_alias=
  53 configdirs=
  54 exec_prefix=
  55 exec_prefixoption=
  56 fatal=
  57 floating_point=default
  58 gas=default
  59 host_alias=NOHOST
  60 host_makefile_frag=
  61 moveifchange=
  62 norecursion=
  63 other_options=
  64 package_makefile_frag=
  65 prefix=/usr/local
  66 progname=
  67 program_prefix=
  68 program_prefixoption=
  69 program_suffix=
  70 program_suffixoption=
  71 program_transform_name=
  72 program_transform_nameoption=
  73 redirect=">/dev/null"
  74 removing=
  75 site=
  76 site_makefile_frag=
  77 site_option=
  78 srcdir=
  79 srctrigger=
  80 subdirs=
  81 target_alias=NOTARGET
  82 target_makefile_frag=
  83 undefs=NOUNDEFS
  84 version="$Revision$"
  85 x11=default
  86
  87 ### we might need to use some other shell than /bin/sh for running subshells
  88 #
  89 config_shell=${CONFIG_SHELL-/bin/sh}
  90
  91 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  92
  93 ## this is a little touchy and won't always work, but...
  94 ##
  95 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  96 ## must) be used as is.
  97 ##
  98 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  99 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 100 ##
 101
 102 progname=$0
 103 # if PWD already has a value, it is probably wrong.
 104 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 105
 106 case "${progname}" in
 107 /*) ;;
 108 */*) ;;
 109 *)
 110         PATH=$PATH:${PWD=`pwd`} ; export PATH
 111         ;;
 112 esac
 113
 114 # Loop over all args
 115
 116 while :
 117 do
 118
 119 # Break out if there are no more args
 120         case $# in
 121         0)
 122                 break
 123                 ;;
 124         esac
 125
 126 # Get the first arg, and shuffle
 127         option=$1
 128         shift
 129
 130 # Make all options have two hyphens
 131         orig_option=$option     # Save original for error messages
 132         case $option in
 133         --*) ;;
 134         -*) option=-$option ;;
 135         esac
 136
 137 # Split out the argument for options that take them
 138         case $option in
 139         --*=*)
 140                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 141                 ;;
 142 # These options have mandatory values.  Since we didn't find an = sign,
 143 # the value must be in the next argument
 144         --b* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-*)
 145                 optarg=$1
 146                 shift
 147                 ;;
 148         esac
 149
 150 # Now, process the options
 151         case $option in
 152
 153         --build* | --b*)
 154                 case "$build_alias" in
 155                 "") build_alias=$optarg ;;
 156                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 157                    fatal=yes
 158                    ;;
 159                 esac
 160                 ;;
 161         --disable-*)
 162                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 163                 eval $enableopt=no
 164                 disableoptions="$disableoptions $option"
 165                 ;;
 166         --enable-*)
 167                 case "$option" in
 168                 *=*)    ;;
 169                 *)      optarg=yes ;;
 170                 esac
 171
 172                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 173                 eval $enableopt="$optarg"
 174                 enableoptions="$enableoptions $option"
 175                 ;;
 176         --exec-prefix* | --ex*)
 177                 exec_prefix=$optarg
 178                 exec_prefixoption="--exec-prefix=$optarg"
 179                 ;;
 180         --gas | --g*)
 181                 gas=yes
 182                 ;;
 183         --help | --he*)
 184                 fatal=yes
 185                 ;;
 186         --host* | --ho*)
 187                 case $host_alias in
 188                 NOHOST) host_alias=$optarg ;;
 189                 *) echo '***' Can only configure for one host at a time.  1>&2
 190                    fatal=yes
 191                    ;;
 192                 esac
 193                 ;;
 194         --nfp | --nf*)
 195                 floating_point=no
 196                 ;;
 197         --norecursion | --no*)
 198                 norecursion=yes
 199                 ;;
 200         --prefix* | --pre*)
 201                 prefix=$optarg
 202                 prefixoption="--prefix=$optarg"
 203                 ;;
 204         --program-prefix* | --program-p*)
 205                 program_prefix=$optarg
 206                 program_prefixoption="--program-prefix=$optarg"
 207                 ;;
 208         --program-suffix* | --program-s*)
 209                 program_suffix=$optarg
 210                 program_suffixoption="--program-suffix=$optarg"
 211                 ;;
 212         --program-transform-name* | --program-t*)
 213                 # Double any backslashes or dollar signs in the argument
 214                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 215                 program_transform_nameoption="--program-transform-nameoption='$optarg'"
 216                 ;;
 217         --rm)
 218                 removing=--rm
 219                 ;;
 220         --silent | --sil* | --quiet | --q*)
 221                 redirect=">/dev/null"
 222                 verbose=--silent
 223                 ;;
 224         --site* | --sit*)
 225                 site=$optarg
 226                 site_option="--site=$optarg"
 227                 ;;
 228         --srcdir*/ | --sr*/)
 229                 # Remove trailing slashes.  Otherwise, when the file name gets
 230                 # bolted into an object file as debug info, it has two slashes
 231                 # in it.  Ordinarily this is ok, but emacs takes double slash
 232                 # to mean "forget the first part".
 233                 srcdir=`echo $optarg | sed -e 's:/$::'`
 234                 ;;
 235         --srcdir* | --sr*)
 236                 srcdir=$optarg
 237                 ;;
 238         --target* | --ta*)
 239                 case $target_alias in
 240                 NOTARGET) target_alias=$optarg ;;
 241                 *) echo '***' Can only configure for one target at a time.  1>&2
 242                    fatal=yes
 243                    ;;
 244                 esac
 245                 ;;
 246         --tmpdir* | --tm*)
 247                 TMPDIR=$optarg
 248                 tmpdiroption="--tmpdir=$optarg"
 249                 ;;
 250         --verbose | --v | --verb*)
 251                 redirect=
 252                 verbose=--verbose
 253                 ;;
 254         --version | --V | --vers*)
 255                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 256                 exit 0
 257                 ;;
 258         --with-*)
 259                 case "$option" in
 260                 *=*)    ;;
 261                 *)      optarg=yes ;;
 262                 esac
 263
 264                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 265                 eval $withopt="$optarg"
 266                 withoptions="$withoptions $option"
 267                 ;;
 268         --without-*)
 269                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 270                 eval $withopt=no
 271                 withoutoptions="$withoutoptions $option"
 272                 ;;
 273         --x)    with_x=yes
 274                 withoptions="$withoptions --with-x"
 275                 ;;
 276         --x-i* | --x-l*) other_options="$other_options $orig_option"
 277                 ;;
 278         --*)
 279                 echo "Warning: Unrecognized option: \"$orig_option\"". >&2
 280                 # Pass the option to any configure scripts in subdirectories
 281                 # in case they recognize it.
 282                 other_options="$other_options $orig_option"
 283                 ;;
 284         *)
 285                 case $undefs in
 286                 NOUNDEFS) undefs=$option ;;
 287                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 288                    fatal=yes
 289                    ;;
 290                 esac
 291                 ;;
 292         esac
 293 done
 294
 295 # process host and target
 296
 297 # Do some error checking and defaulting for the host and target type.
 298 # The inputs are:
 299 #    configure --host=HOST --target=TARGET UNDEFS
 300 #
 301 # The rules are:
 302 # 1. You aren't allowed to specify --host, --target, and undefs at the
 303 #    same time.
 304 # 2. Host defaults to undefs.
 305 # 3. If undefs is not specified, then host defaults to the current host,
 306 #    as determined by config.guess.
 307 # 4. Target defaults to undefs.
 308 # 5. If undefs is not specified, then target defaults to host.
 309
 310 case "${fatal}" in
 311 "")
 312         # Make sure that host, target & undefs aren't all specified at the
 313         # same time.
 314         case $host_alias---$target_alias---$undefs in
 315         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 316                 ;;
 317         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 318            fatal=yes
 319            break 2
 320                 ;;
 321         esac
 322
 323         # Now, do defaulting for host.
 324         case $host_alias in
 325         NOHOST)
 326                 case $undefs in
 327                 NOUNDEFS)
 328                         # Neither --host option nor undefs were present.
 329                         # Call config.guess.
 330                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 331                         if host_alias=`${guesssys}`
 332                         then
 333                                 echo "Configuring for a ${host_alias} host." 1>&2
 334                                 arguments="--host=$host_alias $arguments"
 335                         else
 336                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 337                                 fatal=yes
 338                         fi
 339                         ;;
 340                 *)
 341                         host_alias=$undefs
 342                         ;;
 343                 esac
 344         esac
 345
 346         # Do defaulting for target.  If --target option isn't present, default
 347         # to undefs.  If undefs isn't present, default to host.
 348         case $target_alias in
 349         NOTARGET)
 350                 case $undefs in
 351                 NOUNDEFS)
 352                         target_alias=$host_alias
 353                         ;;
 354                 *)
 355                         target_alias=$undefs
 356                         ;;
 357                 esac
 358         esac
 359         ;;
 360 *) ;;
 361 esac
 362
 363 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 364         exec 1>&2
 365         echo Usage: configure HOST
 366         echo
 367         echo Options: [defaults in brackets]
 368         echo ' --prefix=MYDIR            configure for installation of host independent files into MYDIR. ["/usr/local"]'
 369         echo ' --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. ["/usr/local"]'
 370         echo ' --help                    print this message. [normal config]'
 371         echo ' --build=BUILD             configure for building on BUILD.  [BUILD=HOST]'
 372         echo ' --host=HOST               configure for HOST.  [determined via config.guess]'
 373         echo ' --norecursion             configure this directory only. [recurse]'
 374         echo ' --program-prefix=FOO      install programs with FOO prepended to their names. [ "" ]'
 375         echo ' --program-suffix=FOO      install programs with FOO appended to their names. [ "" ]'
 376         echo ' --program-transform-name=FOO install programs with names transformed by sed pattern FOO. [ "" ]'
 377         echo ' --site=SITE               configure with site specific makefile for SITE'
 378         echo ' --srcdir=DIR              find the sources in DIR. ["." or ".."]'
 379         echo ' --target=TARGET   configure for TARGET.  [TARGET = HOST]'
 380         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = "/tmp" ]'
 381         echo ' --nfp                     configure the compilers default to soft floating point. [hard float]'
 382         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 383         echo ' --without-FOO             package FOO is NOT available'
 384         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 385         echo ' --disable-FOO             do not include feature FOO'
 386         echo
 387         echo 'Where HOST and TARGET are something like "vax", "sun3", "encore", etc.'
 388         echo
 389         if [ -r config.status ] ; then
 390                 cat config.status
 391         fi
 392
 393         exit 1
 394 fi
 395
 396 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 397 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 398
 399 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 400 if ${configsub} sun4 >/dev/null 2>&1 ; then
 401         true
 402 else
 403         echo '***' cannot find config.sub.  1>&2
 404         exit 1
 405 fi
 406
 407 touch config.junk
 408 if ${moveifchange} config.junk config.trash ; then
 409         true
 410 else
 411         echo '***' cannot find move-if-change.  1>&2
 412         exit 1
 413 fi
 414 rm -f config.junk config.trash
 415
 416 case "${srcdir}" in
 417 "")
 418         if [ -r configure.in ] ; then
 419                 srcdir=.
 420         else
 421                 if [ -r ${progname}.in ] ; then
 422                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 423                 else
 424                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 425                         exit 1
 426                 fi
 427         fi
 428         ;;
 429 *) ;;
 430 esac
 431
 432 ### warn about some conflicting configurations.
 433
 434 case "${srcdir}" in
 435 ".") ;;
 436 *)
 437         if [ -f ${srcdir}/config.status ] ; then
 438                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 439                 exit 1
 440         fi
 441 esac
 442
 443 # default exec_prefix
 444 case "${exec_prefix}" in
 445 "") exec_prefix="\$(prefix)" ;;
 446 *) ;;
 447 esac
 448
 449 ### break up ${srcdir}/configure.in.
 450 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 451 "")
 452         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 453         exit 1
 454         ;;
 455 *) ;;
 456 esac
 457
 458 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 459 "")
 460         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 461         exit 1
 462         ;;
 463 *) ;;
 464 esac
 465
 466 case "${TMPDIR}" in
 467 "") TMPDIR=/tmp ; export TMPDIR ;;
 468 *) ;;
 469 esac
 470
 471 # keep this filename short for &%*%$*# 14 char file names
 472 tmpfile=${TMPDIR}/cONf$$
 473 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 474
 475 # split ${srcdir}/configure.in into common, per-host, per-target,
 476 # and post-target parts.  Post-target is optional.
 477 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 478 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 479 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 480   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 481   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 482 else
 483   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 484   echo >${tmpfile}.pos
 485 fi
 486
 487 ### do common part of configure.in
 488
 489 . ${tmpfile}.com
 490
 491 # some sanity checks on configure.in
 492 case "${srctrigger}" in
 493 "")
 494         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 495         exit 1
 496         ;;
 497 *) ;;
 498 esac
 499
 500 case "${build_alias}" in
 501 "")     ;;
 502 *)
 503         result=`${configsub} ${build_alias}`
 504         buildopt="--build=${build_alias}"
 505         build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 506         build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 507         build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 508         build=${build_cpu}-${build_vendor}-${build_os}
 509         ;;
 510 esac
 511
 512 result=`${configsub} ${host_alias}`
 513 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 514 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 515 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 516 host=${host_cpu}-${host_vendor}-${host_os}
 517
 518 . ${tmpfile}.hst
 519
 520 result=`${configsub} ${target_alias}`
 521 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 522 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 523 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 524 target=${target_cpu}-${target_vendor}-${target_os}
 525
 526 . ${tmpfile}.tgt
 527
 528 # Find the source files, if location was not specified.
 529 case "${srcdir}" in
 530 "")
 531         srcdirdefaulted=1
 532         srcdir=.
 533         if [ ! -r ${srctrigger} ] ; then
 534                 srcdir=..
 535         fi
 536         ;;
 537 *) ;;
 538 esac
 539
 540 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 541         case "${srcdirdefaulted}" in
 542         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 543         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 544         esac
 545
 546         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 547         exit 1
 548 fi
 549
 550 # Some systems (e.g., one of the i386-aix systems the gas testers are
 551 # using) don't handle "\$" correctly, so don't use it here.
 552 tooldir='$(exec_prefix)'/${target_alias}
 553
 554 if [ "${host_alias}" != "${target_alias}" ] ; then
 555     if [ "${program_prefixoption}" = "" ] ; then
 556         if [ "${program_suffixoption}" = "" ] ; then
 557             if [ "${program_transform_nameoption}" = "" ] ; then
 558                 program_prefix=${target_alias}- ;
 559             fi
 560         fi
 561     fi
 562 fi
 563
 564 # Merge program_prefix and program_suffix onto program_transform_name
 565 # Use a double $ so that make ignores it
 566 if [ "${program_suffix}" != "" ] ; then
 567     program_transform_name="-e s,\$\$,${program_suffix}, ${program_transform_name}"
 568 fi
 569
 570 if [ "${program_prefix}" != "" ] ; then
 571     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 572 fi
 573
 574 for subdir in . ${subdirs} ; do
 575
 576     # ${subdir} is relative path from . to the directory we're currently
 577     # configuring.
 578     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 579     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 580
 581     ### figure out what to do with srcdir
 582     case "${srcdir}" in
 583         ".")  # no -srcdir option.  We're building in place.
 584                 makesrcdir=. ;;
 585         /*) # absolute path
 586                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 587                 ;;
 588         *) # otherwise relative
 589                 case "${subdir}" in
 590                 .) makesrcdir=${srcdir} ;;
 591                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 592                 esac
 593                 ;;
 594     esac
 595
 596     if [ "${subdir}/" != "./" ] ; then
 597         Makefile=${subdir}/Makefile
 598     fi
 599
 600     if [ ! -d ${subdir} ] ; then
 601         if mkdir ${subdir} ; then
 602                 true
 603         else
 604                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 605                 exit 1
 606         fi
 607     fi
 608
 609     case "${removing}" in
 610     "")
 611         case "${subdir}" in
 612         .) ;;
 613         *) eval echo Building in ${subdir} ${redirect} ;;
 614         esac
 615
 616         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 617         # Set up the list of links to be made.
 618         # ${links} is the list of link names, and ${files} is the list of names to link to.
 619
 620         # Make the links.
 621         configlinks="${links}"
 622         if [ -r ${subdir}/config.status ] ; then
 623                 mv -f ${subdir}/config.status ${subdir}/config.back
 624         fi
 625         while [ -n "${files}" ] ; do
 626                 # set file to car of files, files to cdr of files
 627                 set ${files}; file=$1; shift; files=$*
 628                 set ${links}; link=$1; shift; links=$*
 629
 630                 if [ ! -r ${srcdir}/${file} ] ; then
 631                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 632                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 633                         exit 1
 634                 fi
 635
 636                 ${remove} -f ${link}
 637                 # Make a symlink if possible, otherwise try a hard link
 638                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 639
 640                 if [ ! -r ${link} ] ; then
 641                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 642                         exit 1
 643                 fi
 644
 645                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 646         done
 647
 648         # Create a .gdbinit file which runs the one in srcdir
 649         # and tells GDB to look there for source files.
 650
 651         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 652                 case ${srcdir} in
 653                 .) ;;
 654                 *) cat > ${subdir}/.gdbinit <<EOF
 655 # ${NO_EDIT}
 656 dir .
 657 dir ${makesrcdir}
 658 source ${makesrcdir}/.gdbinit
 659 EOF
 660                         ;;
 661                 esac
 662         fi
 663
 664         # Install a makefile, and make it set VPATH
 665         # if necessary so that the sources are found.
 666         # Also change its value of srcdir.
 667         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 668         # been somewhat optimized and is perhaps a bit twisty.
 669
 670         # code is order so as to try to sed the smallest input files we know.
 671
 672         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 673         # package, target, host, and site.  so do these separately because I don't trust the
 674         #  order of sed -e expressions.
 675
 676         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 677
 678             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 679             rm -f ${subdir}/Makefile.tem
 680               case "${site}" in
 681               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 682               *)
 683                       site_makefile_frag=${srcdir}/config/ms-${site}
 684
 685                       if [ -f ${site_makefile_frag} ] ; then
 686                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 687                                       > ${subdir}/Makefile.tem
 688                       else
 689                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 690                               site_makefile_frag=
 691                       fi
 692                       ;;
 693             esac
 694             # working copy now in ${subdir}/Makefile.tem
 695
 696             # Conditionalize the makefile for this host.
 697             rm -f ${Makefile}
 698             case "${host_makefile_frag}" in
 699               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 700               *)
 701                       if [ ! -f ${host_makefile_frag} ] ; then
 702                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 703                       fi
 704                       if [ -f ${host_makefile_frag} ] ; then
 705                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 706                       else
 707                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 708                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 709                               mv ${subdir}/Makefile.tem ${Makefile}
 710                       fi
 711             esac
 712             # working copy now in ${Makefile}
 713
 714             # Conditionalize the makefile for this target.
 715             rm -f ${subdir}/Makefile.tem
 716             case "${target_makefile_frag}" in
 717               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 718               *)
 719                       if [ ! -f ${target_makefile_frag} ] ; then
 720                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 721                       fi
 722                       if [ -f ${target_makefile_frag} ] ; then
 723                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 724                       else
 725                               mv ${Makefile} ${subdir}/Makefile.tem
 726                               target_makefile_frag=
 727                       fi
 728                       ;;
 729             esac
 730             # real copy now in ${subdir}/Makefile.tem
 731
 732             # Conditionalize the makefile for this package.
 733             rm -f ${Makefile}
 734             case "${package_makefile_frag}" in
 735               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 736               *)
 737                       if [ ! -f ${package_makefile_frag} ] ; then
 738                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 739                       fi
 740                       if [ -f ${package_makefile_frag} ] ; then
 741                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 742                       else
 743                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 744                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 745                               mv ${subdir}/Makefile.tem ${Makefile}
 746                       fi
 747             esac
 748             # working copy now in ${Makefile}
 749
 750             mv ${Makefile} ${subdir}/Makefile.tem
 751
 752             # real copy now in ${subdir}/Makefile.tem
 753
 754             # prepend warning about editting, and a bunch of variables.
 755             rm -f ${Makefile}
 756             cat > ${Makefile} <<EOF
 757 # ${NO_EDIT}
 758 VPATH = ${makesrcdir}
 759 links = ${configlinks}
 760 host_alias = ${host_alias}
 761 host_cpu = ${host_cpu}
 762 host_vendor = ${host_vendor}
 763 host_os = ${host_os}
 764 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 765 target_alias = ${target_alias}
 766 target_cpu = ${target_cpu}
 767 target_vendor = ${target_vendor}
 768 target_os = ${target_os}
 769 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 770 EOF
 771             case "${build}" in
 772               "") ;;
 773               *)  cat >> ${Makefile} << EOF
 774 build_alias = ${build_alias}
 775 build_cpu = ${build_cpu}
 776 build_vendor = ${build_vendor}
 777 build_os = ${build_os}
 778 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
 779 EOF
 780             esac
 781
 782             case "${package_makefile_frag}" in
 783               "") ;;
 784               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 785               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 786             esac
 787
 788             case "${target_makefile_frag}" in
 789               "") ;;
 790               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 791               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 792             esac
 793
 794             case "${host_makefile_frag}" in
 795               "") ;;
 796               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 797               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 798             esac
 799
 800             if [ "${site_makefile_frag}" != "" ] ; then
 801                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 802             fi
 803
 804             # make sure that some sort of reasonable default exists for these
 805             # two variables
 806             CXX=${CXX-"g++ -O"}
 807             CC=${CC-cc}
 808
 809             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 810             # remove any form feeds.
 811             if [ -z "${subdirs}" ]; then
 812                 rm -f ${subdir}/Makefile.tem2
 813                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 814                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 815                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 816                 rm -f ${subdir}/Makefile.tem
 817                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 818             fi
 819             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 820                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 821                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 822                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 823                     -e "s/\f//" \
 824                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 825                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 826                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 827                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 828                     ${subdir}/Makefile.tem >> ${Makefile}
 829             # final copy now in ${Makefile}
 830
 831         else
 832            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 833         fi
 834
 835         rm -f ${subdir}/Makefile.tem
 836
 837         case "${host_makefile_frag}" in
 838         "") using= ;;
 839         *) using="and \"${host_makefile_frag}\"" ;;
 840         esac
 841
 842         case "${target_makefile_frag}" in
 843         "") ;;
 844         *) using="${using} and \"${target_makefile_frag}\"" ;;
 845         esac
 846
 847         case "${site_makefile_frag}" in
 848         "") ;;
 849         *) using="${using} and \"${site_makefile_frag}\"" ;;
 850         esac
 851
 852         newusing=`echo "${using}" | sed 's/and/using/'`
 853         using=${newusing}
 854         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 855
 856         . ${tmpfile}.pos
 857
 858         # describe the chosen configuration in config.status.
 859         # Make that file a shellscript which will reestablish
 860         # the same configuration.  Used in Makefiles to rebuild
 861         # Makefiles.
 862
 863         case "${norecursion}" in
 864         "") arguments="${arguments} --norecursion" ;;
 865         *) ;;
 866         esac
 867
 868         if [ ${subdir} = . ] ; then
 869             echo "#!/bin/sh
 870 # ${NO_EDIT}
 871 # This directory was configured as follows:
 872 ${progname}" ${arguments}  "
 873 # ${using}" > ${subdir}/config.new
 874         else
 875             echo "#!/bin/sh
 876 # ${NO_EDIT}
 877 # This directory was configured as follows:
 878 cd ${invsubdir}
 879 ${progname}" ${arguments}  "
 880 # ${using}" > ${subdir}/config.new
 881         fi
 882         chmod a+x ${subdir}/config.new
 883         if [ -r ${subdir}/config.back ] ; then
 884                 mv -f ${subdir}/config.back ${subdir}/config.status
 885         fi
 886         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 887         ;;
 888
 889     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 890     esac
 891 done
 892
 893 # If there are subdirectories, then recur.
 894 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 895         for configdir in ${configdirs} ; do
 896
 897                 if [ -d ${srcdir}/${configdir} ] ; then
 898                         eval echo Configuring ${configdir}... ${redirect}
 899                         case "${srcdir}" in
 900                         ".") ;;
 901                         *)
 902                                 if [ ! -d ./${configdir} ] ; then
 903                                         if mkdir ./${configdir} ; then
 904                                                 true
 905                                         else
 906                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 907                                                 exit 1
 908                                         fi
 909                                 fi
 910                                 ;;
 911                         esac
 912
 913                         POPDIR=${PWD=`pwd`}
 914                         cd ${configdir}
 915
 916 ### figure out what to do with srcdir
 917                         case "${srcdir}" in
 918                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 919                         /*) # absolute path
 920                                 newsrcdir=${srcdir}/${configdir}
 921                                 srcdiroption="--srcdir=${newsrcdir}"
 922                                 ;;
 923                         *) # otherwise relative
 924                                 newsrcdir=../${srcdir}/${configdir}
 925                                 srcdiroption="--srcdir=${newsrcdir}"
 926                                 ;;
 927                         esac
 928
 929 ### check for guested configure, otherwise fix possibly relative progname
 930                         if [ -f ${newsrcdir}/configure ] ; then
 931                                 recprog=${newsrcdir}/configure
 932                         elif [ -f ${newsrcdir}/configure.in ] ; then
 933                                 case "${progname}" in
 934                                 /*)     recprog=${progname} ;;
 935                                 *)      recprog=../${progname} ;;
 936                                 esac
 937                         else
 938                                 eval echo No configuration information in ${configdir} ${redirect}
 939                                 recprog=
 940                         fi
 941
 942 ### The recursion line is here.
 943                         if [ ! -z "${recprog}" ] ; then
 944                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
 945                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 946                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${removing} ${other_options} ${redirect} ; then
 947                                         true
 948                                 else
 949                                         echo Configure in `pwd` failed, exiting. 1>&2
 950                                         exit 1
 951                                 fi
 952                         fi
 953
 954                         cd ${POPDIR}
 955                 fi
 956         done
 957 fi
 958
 959 exit 0
 960
 961 #
 962 # Local Variables:
 963 # fill-column: 131
 964 # End:
 965 #
 966
 967 # end of configure