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