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, 1990, 1991, 1992, 1993 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 package_makefile_frag=
  64 prefix=/usr/local
  65 progname=
  66 program_prefix=
  67 program_prefixoption=
  68 program_suffix=
  69 program_suffixoption=
  70 program_transform_name=
  71 program_transform_nameoption=
  72 redirect=">/dev/null"
  73 removing=
  74 site=
  75 site_makefile_frag=
  76 site_option=
  77 srcdir=
  78 srctrigger=
  79 subdirs=
  80 target_alias=NOTARGET
  81 target_makefile_frag=
  82 undefs=NOUNDEFS
  83 version="$Revision$"
  84 x11=default
  85
  86 ### we might need to use some other shell than /bin/sh for running subshells
  87 #
  88 config_shell=${CONFIG_SHELL-/bin/sh}
  89
  90 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  91
  92 ## this is a little touchy and won't always work, but...
  93 ##
  94 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  95 ## must) be used as is.
  96 ##
  97 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  98 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  99 ##
 100
 101 progname=$0
 102 # if PWD already has a value, it is probably wrong.
 103 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 104
 105 case "${progname}" in
 106 /*) ;;
 107 */*) ;;
 108 *)
 109         PATH=$PATH:${PWD=`pwd`} ; export PATH
 110         ;;
 111 esac
 112
 113 # Loop over all args
 114
 115 while :
 116 do
 117
 118 # Break out if there are no more args
 119         case $# in
 120         0)
 121                 break
 122                 ;;
 123         esac
 124
 125 # Get the first arg, and shuffle
 126         option=$1
 127         shift
 128
 129 # Make all options have two hyphens
 130         orig_option=$option     # Save original for error messages
 131         case $option in
 132         --*) ;;
 133         -*) option=-$option ;;
 134         esac
 135
 136 # Split out the argument for options that take them
 137         case $option in
 138         --*=*)
 139                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 140                 ;;
 141 # These options have mandatory values.  Since we didn't find an = sign,
 142 # the value must be in the next argument
 143         --b* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm*)
 144                 optarg=$1
 145                 shift
 146                 ;;
 147         esac
 148
 149 # Now, process the options
 150         case $option in
 151
 152         --build* | --b*)
 153                 case "$build_alias" in
 154                 "") build_alias=$optarg ;;
 155                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 156                    fatal=yes
 157                    ;;
 158                 esac
 159                 ;;
 160         --enable-*)
 161                 case "$option" in
 162                 *=*)    ;;
 163                 *)      optarg=yes ;;
 164                 esac
 165
 166                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 167                 eval $enableopt="$optarg"
 168                 enableoptions="$enableoptions $option"
 169                 ;;
 170         --exec-prefix* | --ex*)
 171                 exec_prefix=$optarg
 172                 exec_prefixoption="--exec-prefix=$optarg"
 173                 ;;
 174         --gas | --g*)
 175                 gas=yes
 176                 ;;
 177         --help | --he*)
 178                 fatal=yes
 179                 ;;
 180         --host* | --ho*)
 181                 case $host_alias in
 182                 NOHOST) host_alias=$optarg ;;
 183                 *) echo '***' Can only configure for one host at a time.  1>&2
 184                    fatal=yes
 185                    ;;
 186                 esac
 187                 ;;
 188         --nfp | --nf*)
 189                 floating_point=no
 190                 ;;
 191         --norecursion | --no*)
 192                 norecursion=yes
 193                 ;;
 194         --prefix* | --pre*)
 195                 prefix=$optarg
 196                 prefixoption="--prefix=$optarg"
 197                 ;;
 198         --program-prefix* | --program-p*)
 199                 program_prefix=$optarg
 200                 program_prefixoption="--program-prefix=$optarg"
 201                 ;;
 202         --program-suffix* | --program-s*)
 203                 program_suffix=$optarg
 204                 program_suffixoption="--program-suffix=$optarg"
 205                 ;;
 206         --program-transform-name* | --program-t*)
 207                 # Double any backslashes or dollar signs in the argument
 208                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 209                 program_transform_nameoption="--program-transform-nameoption='$optarg'"
 210                 ;;
 211         --rm)
 212                 removing=--rm
 213                 ;;
 214         --site* | --si*)
 215                 site=$optarg
 216                 site_option="--site=$optarg"
 217                 ;;
 218         --srcdir*/ | --sr*/)
 219                 # Remove trailing slashes.  Otherwise, when the file name gets
 220                 # bolted into an object file as debug info, it has two slashes in
 221                 # it.  Ordinarily this is ok, but emacs takes double slash to
 222                 # mean "forget the first part".
 223                 srcdir=`echo $optarg | sed -e 's:/$::'`
 224                 ;;
 225         --srcdir* | --sr*)
 226                 srcdir=$optarg
 227                 ;;
 228         --target* | --ta*)
 229                 case $target_alias in
 230                 NOTARGET) target_alias=$optarg ;;
 231                 *) echo '***' Can only configure for one target at a time.  1>&2
 232                    fatal=yes
 233                    ;;
 234                 esac
 235                 ;;
 236         --tmpdir* | --tm*)
 237                 TMPDIR=$optarg
 238                 tmpdiroption="--tmpdir=$optarg"
 239                 ;;
 240         --verbose | --v | --verb*)
 241                 redirect=
 242                 verbose=--verbose
 243                 ;;
 244         --version | --V | --vers*)
 245                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 246                 exit 0
 247                 ;;
 248         --with-*)
 249                 case "$option" in
 250                 *=*)    ;;
 251                 *)      optarg=yes ;;
 252                 esac
 253
 254                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 255                 eval $withopt="$optarg"
 256                 withoptions="$withoptions $option"
 257                 ;;
 258         --without-*)
 259                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 260                 eval $withopt=no
 261                 withoutoptions="$withoutoptions $option"
 262                 ;;
 263         --x)    ;;
 264         --*)
 265                 exec 1>&2
 266                 echo
 267                 echo "Unrecognized option: \"$orig_option\"".
 268                 echo
 269                 fatal=yes
 270                 ;;
 271         *)
 272                 case $undefs in
 273                 NOUNDEFS) undefs=$option ;;
 274                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 275                    fatal=yes
 276                    ;;
 277                 esac
 278                 ;;
 279         esac
 280 done
 281
 282 # process host and target
 283
 284 # Do some error checking and defaulting for the host and target type.
 285 # The inputs are:
 286 #    configure --host=HOST --target=TARGET UNDEFS
 287 #
 288 # The rules are:
 289 # 1. You aren't allowed to specify --host, --target, and undefs at the
 290 #    same time.
 291 # 2. Host defaults to undefs.
 292 # 3. If undefs is not specified, then host defaults to the current host,
 293 #    as determined by config.guess.
 294 # 4. Target defaults to undefs.
 295 # 5. If undefs is not specified, then target defaults to host.
 296
 297 case "${fatal}" in
 298 "")
 299         # Make sure that host, target & undefs aren't all specified at the
 300         # same time.
 301         case $host_alias---$target_alias---$undefs in
 302         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 303                 ;;
 304         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 305            fatal=yes
 306            break 2
 307                 ;;
 308         esac
 309
 310         # Now, do defaulting for host.
 311         case $host_alias in
 312         NOHOST)
 313                 case $undefs in
 314                 NOUNDEFS)
 315                         # Neither --host option nor undefs were present.
 316                         # Call config.guess.
 317                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 318                         if host_alias=`${guesssys}`
 319                         then
 320                                 echo "Configuring for a ${host_alias} host." 1>&2
 321                                 arguments="--host=$host_alias $arguments"
 322                         else
 323                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 324                                 fatal=yes
 325                         fi
 326                         ;;
 327                 *)
 328                         host_alias=$undefs
 329                         ;;
 330                 esac
 331         esac
 332
 333         # Do defaulting for target.  If --target option isn't present, default
 334         # to undefs.  If undefs isn't present, default to host.
 335         case $target_alias in
 336         NOTARGET)
 337                 case $undefs in
 338                 NOUNDEFS)
 339                         target_alias=$host_alias
 340                         ;;
 341                 *)
 342                         target_alias=$undefs
 343                         ;;
 344                 esac
 345         esac
 346         ;;
 347 *) ;;
 348 esac
 349
 350 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 351         exec 1>&2
 352         echo Usage: configure HOST
 353         echo
 354         echo Options: [defaults in brackets]
 355         echo ' --prefix=MYDIR            configure for installation of host independent files into MYDIR. ["/usr/local"]'
 356         echo ' --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. ["/usr/local"]'
 357         echo ' --help                    print this message. [normal config]'
 358         echo ' --build=BUILD             configure for building on BUILD.  [BUILD=HOST]'
 359         echo ' --host=HOST               configure for HOST.  [determined via config.guess]'
 360         echo ' --norecursion             configure this directory only. [recurse]'
 361         echo ' --program-prefix=FOO      install programs with FOO prepended to their names. [ "" ]'
 362         echo ' --program-suffix=FOO      install programs with FOO appended to their names. [ "" ]'
 363         echo ' --program-transform-name=FOO install programs with names transformed by sed pattern FOO. [ "" ]'
 364         echo ' --site=SITE               configure with site specific makefile for SITE'
 365         echo ' --srcdir=DIR              find the sources in DIR. ["." or ".."]'
 366         echo ' --target=TARGET   configure for TARGET.  [TARGET = HOST]'
 367         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR.  [ TMPDIR = "/tmp" ]'
 368         echo ' --nfp                     configure the compilers default to soft floating point. [hard float]'
 369         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 370         echo ' --without-FOO             package FOO is NOT available'
 371         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 372         echo
 373         echo 'Where HOST and TARGET are something like "vax", "sun3", "encore", etc.'
 374         echo
 375         if [ -r config.status ] ; then
 376                 cat config.status
 377         fi
 378
 379         exit 1
 380 fi
 381
 382 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 383 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 384
 385 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 386 if ${configsub} sun4 >/dev/null 2>&1 ; then
 387         true
 388 else
 389         echo '***' cannot find config.sub.  1>&2
 390         exit 1
 391 fi
 392
 393 touch config.junk
 394 if ${moveifchange} config.junk config.trash ; then
 395         true
 396 else
 397         echo '***' cannot find move-if-change.  1>&2
 398         exit 1
 399 fi
 400 rm -f config.junk config.trash
 401
 402 case "${srcdir}" in
 403 "")
 404         if [ -r configure.in ] ; then
 405                 srcdir=.
 406         else
 407                 if [ -r ${progname}.in ] ; then
 408                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 409                 else
 410                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 411                         exit 1
 412                 fi
 413         fi
 414         ;;
 415 *) ;;
 416 esac
 417
 418 ### warn about some conflicting configurations.
 419
 420 case "${srcdir}" in
 421 ".") ;;
 422 *)
 423         if [ -f ${srcdir}/config.status ] ; then
 424                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 425                 exit 1
 426         fi
 427 esac
 428
 429 # default exec_prefix
 430 case "${exec_prefix}" in
 431 "") exec_prefix="\$(prefix)" ;;
 432 *) ;;
 433 esac
 434
 435 ### break up ${srcdir}/configure.in.
 436 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 437 "")
 438         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 439         exit 1
 440         ;;
 441 *) ;;
 442 esac
 443
 444 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 445 "")
 446         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 447         exit 1
 448         ;;
 449 *) ;;
 450 esac
 451
 452 case "${TMPDIR}" in
 453 "") TMPDIR=/tmp ; export TMPDIR ;;
 454 *) ;;
 455 esac
 456
 457 # keep this filename short for &%*%$*# 14 char file names
 458 tmpfile=${TMPDIR}/cONf$$
 459 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 460
 461 # split ${srcdir}/configure.in into common, per-host, per-target,
 462 # and post-target parts.  Post-target is optional.
 463 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 464 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 465 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 466   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 467   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 468 else
 469   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 470   echo >${tmpfile}.pos
 471 fi
 472
 473 ### do common part of configure.in
 474
 475 . ${tmpfile}.com
 476
 477 # some sanity checks on configure.in
 478 case "${srctrigger}" in
 479 "")
 480         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 481         exit 1
 482         ;;
 483 *) ;;
 484 esac
 485
 486 case "${build_alias}" in
 487 "")     ;;
 488 *)
 489         result=`${configsub} ${build_alias}`
 490         buildopt="--build=${build_alias}"
 491         build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 492         build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 493         build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 494         build=${build_cpu}-${build_vendor}-${build_os}
 495         ;;
 496 esac
 497
 498 result=`${configsub} ${host_alias}`
 499 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 500 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 501 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 502 host=${host_cpu}-${host_vendor}-${host_os}
 503
 504 . ${tmpfile}.hst
 505
 506 result=`${configsub} ${target_alias}`
 507 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 508 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 509 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 510 target=${target_cpu}-${target_vendor}-${target_os}
 511
 512 . ${tmpfile}.tgt
 513
 514 # Find the source files, if location was not specified.
 515 case "${srcdir}" in
 516 "")
 517         srcdirdefaulted=1
 518         srcdir=.
 519         if [ ! -r ${srctrigger} ] ; then
 520                 srcdir=..
 521         fi
 522         ;;
 523 *) ;;
 524 esac
 525
 526 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 527         case "${srcdirdefaulted}" in
 528         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 529         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 530         esac
 531
 532         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 533         exit 1
 534 fi
 535
 536 # Some systems (e.g., one of the i386-aix systems the gas testers are
 537 # using) don't handle "\$" correctly, so don't use it here.
 538 tooldir='$(exec_prefix)'/${target_alias}
 539
 540 if [ "${host_alias}" != "${target_alias}" ] ; then
 541     if [ "${program_prefixoption}" = "" ] ; then
 542         if [ "${program_suffixoption}" = "" ] ; then
 543             if [ "${program_transform_nameoption}" = "" ] ; then
 544                 program_prefix=${target_alias}- ;
 545             fi
 546         fi
 547     fi
 548 fi
 549
 550 # Merge program_prefix and program_suffix onto program_transform_name
 551 # Use a double $ so that make ignores it
 552 if [ "${program_suffix}" != "" ] ; then
 553     program_transform_name="-e s,\$\$,${program_suffix}, ${program_transform_name}"
 554 fi
 555
 556 if [ "${program_prefix}" != "" ] ; then
 557     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 558 fi
 559
 560 for subdir in . ${subdirs} ; do
 561
 562     # ${subdir} is relative path from . to the directory we're currently
 563     # configuring.
 564     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 565     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 566
 567     ### figure out what to do with srcdir
 568     case "${srcdir}" in
 569         ".")  # no -srcdir option.  We're building in place.
 570                 makesrcdir=. ;;
 571         /*) # absolute path
 572                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 573                 ;;
 574         *) # otherwise relative
 575                 case "${subdir}" in
 576                 .) makesrcdir=${srcdir} ;;
 577                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 578                 esac
 579                 ;;
 580     esac
 581
 582     if [ "${subdir}/" != "./" ] ; then
 583         Makefile=${subdir}/Makefile
 584     fi
 585
 586     if [ ! -d ${subdir} ] ; then
 587         if mkdir ${subdir} ; then
 588                 true
 589         else
 590                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 591                 exit 1
 592         fi
 593     fi
 594
 595     case "${removing}" in
 596     "")
 597         case "${subdir}" in
 598         .) ;;
 599         *) eval echo Building in ${subdir} ${redirect} ;;
 600         esac
 601
 602         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 603         # Set up the list of links to be made.
 604         # ${links} is the list of link names, and ${files} is the list of names to link to.
 605
 606         # Make the links.
 607         configlinks="${links}"
 608         if [ -r ${subdir}/config.status ] ; then
 609                 mv -f ${subdir}/config.status ${subdir}/config.back
 610         fi
 611         while [ -n "${files}" ] ; do
 612                 # set file to car of files, files to cdr of files
 613                 set ${files}; file=$1; shift; files=$*
 614                 set ${links}; link=$1; shift; links=$*
 615
 616                 if [ ! -r ${srcdir}/${file} ] ; then
 617                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 618                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 619                         exit 1
 620                 fi
 621
 622                 ${remove} -f ${link}
 623                 # Make a symlink if possible, otherwise try a hard link
 624                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 625
 626                 if [ ! -r ${link} ] ; then
 627                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 628                         exit 1
 629                 fi
 630
 631                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 632         done
 633
 634         # Create a .gdbinit file which runs the one in srcdir
 635         # and tells GDB to look there for source files.
 636
 637         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 638                 case ${srcdir} in
 639                 .) ;;
 640                 *) cat > ${subdir}/.gdbinit <<EOF
 641 # ${NO_EDIT}
 642 dir .
 643 dir ${makesrcdir}
 644 source ${makesrcdir}/.gdbinit
 645 EOF
 646                         ;;
 647                 esac
 648         fi
 649
 650         # Install a makefile, and make it set VPATH
 651         # if necessary so that the sources are found.
 652         # Also change its value of srcdir.
 653         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 654         # been somewhat optimized and is perhaps a bit twisty.
 655
 656         # code is order so as to try to sed the smallest input files we know.
 657
 658         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 659         # package, target, host, and site.  so do these separately because I don't trust the
 660         #  order of sed -e expressions.
 661
 662         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 663
 664             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 665             rm -f ${subdir}/Makefile.tem
 666               case "${site}" in
 667               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 668               *)
 669                       site_makefile_frag=${srcdir}/config/ms-${site}
 670
 671                       if [ -f ${site_makefile_frag} ] ; then
 672                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 673                                       > ${subdir}/Makefile.tem
 674                       else
 675                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 676                               site_makefile_frag=
 677                       fi
 678                       ;;
 679             esac
 680             # working copy now in ${subdir}/Makefile.tem
 681
 682             # Conditionalize the makefile for this host.
 683             rm -f ${Makefile}
 684             case "${host_makefile_frag}" in
 685               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 686               *)
 687                       if [ ! -f ${host_makefile_frag} ] ; then
 688                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 689                       fi
 690                       if [ -f ${host_makefile_frag} ] ; then
 691                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 692                       else
 693                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 694                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 695                               mv ${subdir}/Makefile.tem ${Makefile}
 696                       fi
 697             esac
 698             # working copy now in ${Makefile}
 699
 700             # Conditionalize the makefile for this target.
 701             rm -f ${subdir}/Makefile.tem
 702             case "${target_makefile_frag}" in
 703               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 704               *)
 705                       if [ ! -f ${target_makefile_frag} ] ; then
 706                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 707                       fi
 708                       if [ -f ${target_makefile_frag} ] ; then
 709                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 710                       else
 711                               mv ${Makefile} ${subdir}/Makefile.tem
 712                               target_makefile_frag=
 713                       fi
 714                       ;;
 715             esac
 716             # real copy now in ${subdir}/Makefile.tem
 717
 718             # Conditionalize the makefile for this package.
 719             rm -f ${Makefile}
 720             case "${package_makefile_frag}" in
 721               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 722               *)
 723                       if [ ! -f ${package_makefile_frag} ] ; then
 724                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 725                       fi
 726                       if [ -f ${package_makefile_frag} ] ; then
 727                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 728                       else
 729                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 730                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 731                               mv ${subdir}/Makefile.tem ${Makefile}
 732                       fi
 733             esac
 734             # working copy now in ${Makefile}
 735
 736             mv ${Makefile} ${subdir}/Makefile.tem
 737
 738             # real copy now in ${subdir}/Makefile.tem
 739
 740             # prepend warning about editting, and a bunch of variables.
 741             rm -f ${Makefile}
 742             cat > ${Makefile} <<EOF
 743 # ${NO_EDIT}
 744 VPATH = ${makesrcdir}
 745 links = ${configlinks}
 746 host_alias = ${host_alias}
 747 host_cpu = ${host_cpu}
 748 host_vendor = ${host_vendor}
 749 host_os = ${host_os}
 750 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 751 target_alias = ${target_alias}
 752 target_cpu = ${target_cpu}
 753 target_vendor = ${target_vendor}
 754 target_os = ${target_os}
 755 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 756 EOF
 757             case "${build}" in
 758               "") ;;
 759               *)  cat >> ${Makefile} << EOF
 760 build_alias = ${build_alias}
 761 build_cpu = ${build_cpu}
 762 build_vendor = ${build_vendor}
 763 build_os = ${build_os}
 764 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
 765 EOF
 766             esac
 767
 768             case "${package_makefile_frag}" in
 769               "") ;;
 770               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 771               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 772             esac
 773
 774             case "${target_makefile_frag}" in
 775               "") ;;
 776               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 777               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 778             esac
 779
 780             case "${host_makefile_frag}" in
 781               "") ;;
 782               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 783               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 784             esac
 785
 786             if [ "${site_makefile_frag}" != "" ] ; then
 787                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 788             fi
 789
 790             # make sure that some sort of reasonable default exists for these
 791             # two variables
 792             CXX=${CXX-"g++ -O"}
 793             CC=${CC-cc}
 794
 795             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 796             # remove any form feeds.
 797             if [ -z "${subdirs}" ]; then
 798                 rm -f ${subdir}/Makefile.tem2
 799                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 800                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 801                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 802                 rm -f ${subdir}/Makefile.tem
 803                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 804             fi
 805             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 806                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 807                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 808                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 809                     -e "s/\f//" \
 810                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 811                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 812                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 813                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 814                     ${subdir}/Makefile.tem >> ${Makefile}
 815             # final copy now in ${Makefile}
 816
 817         else
 818            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 819         fi
 820
 821         rm -f ${subdir}/Makefile.tem
 822
 823         case "${host_makefile_frag}" in
 824         "") using= ;;
 825         *) using="and \"${host_makefile_frag}\"" ;;
 826         esac
 827
 828         case "${target_makefile_frag}" in
 829         "") ;;
 830         *) using="${using} and \"${target_makefile_frag}\"" ;;
 831         esac
 832
 833         case "${site_makefile_frag}" in
 834         "") ;;
 835         *) using="${using} and \"${site_makefile_frag}\"" ;;
 836         esac
 837
 838         newusing=`echo "${using}" | sed 's/and/using/'`
 839         using=${newusing}
 840         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 841
 842         . ${tmpfile}.pos
 843
 844         # describe the chosen configuration in config.status.
 845         # Make that file a shellscript which will reestablish
 846         # the same configuration.  Used in Makefiles to rebuild
 847         # Makefiles.
 848
 849         case "${norecursion}" in
 850         "") arguments="${arguments} --norecursion" ;;
 851         *) ;;
 852         esac
 853
 854         if [ ${subdir} = . ] ; then
 855             echo "#!/bin/sh
 856 # ${NO_EDIT}
 857 # This directory was configured as follows:
 858 ${progname}" ${arguments}  "
 859 # ${using}" > ${subdir}/config.new
 860         else
 861             echo "#!/bin/sh
 862 # ${NO_EDIT}
 863 # This directory was configured as follows:
 864 cd ${invsubdir}
 865 ${progname}" ${arguments}  "
 866 # ${using}" > ${subdir}/config.new
 867         fi
 868         chmod a+x ${subdir}/config.new
 869         if [ -r ${subdir}/config.back ] ; then
 870                 mv -f ${subdir}/config.back ${subdir}/config.status
 871         fi
 872         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 873         ;;
 874
 875     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 876     esac
 877 done
 878
 879 # If there are subdirectories, then recur.
 880 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 881         for configdir in ${configdirs} ; do
 882
 883                 if [ -d ${srcdir}/${configdir} ] ; then
 884                         eval echo Configuring ${configdir}... ${redirect}
 885                         case "${srcdir}" in
 886                         ".") ;;
 887                         *)
 888                                 if [ ! -d ./${configdir} ] ; then
 889                                         if mkdir ./${configdir} ; then
 890                                                 true
 891                                         else
 892                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 893                                                 exit 1
 894                                         fi
 895                                 fi
 896                                 ;;
 897                         esac
 898
 899                         POPDIR=${PWD=`pwd`}
 900                         cd ${configdir}
 901
 902 ### figure out what to do with srcdir
 903                         case "${srcdir}" in
 904                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 905                         /*) # absolute path
 906                                 newsrcdir=${srcdir}/${configdir}
 907                                 srcdiroption="--srcdir=${newsrcdir}"
 908                                 ;;
 909                         *) # otherwise relative
 910                                 newsrcdir=../${srcdir}/${configdir}
 911                                 srcdiroption="--srcdir=${newsrcdir}"
 912                                 ;;
 913                         esac
 914
 915 ### check for guested configure, otherwise fix possibly relative progname
 916                         if [ -f ${newsrcdir}/configure ] ; then
 917                                 recprog=${newsrcdir}/configure
 918                         elif [ -f ${newsrcdir}/configure.in ] ; then
 919                                 case "${progname}" in
 920                                 /*)     recprog=${progname} ;;
 921                                 *)      recprog=../${progname} ;;
 922                                 esac
 923                         else
 924                                 eval echo No configuration information in ${configdir} ${redirect}
 925                                 recprog=
 926                         fi
 927
 928 ### The recursion line is here.
 929                         if [ ! -z "${recprog}" ] ; then
 930                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
 931                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 932                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${removing} ${redirect} ; then
 933                                         true
 934                                 else
 935                                         echo Configure in `pwd` failed, exiting. 1>&2
 936                                         exit 1
 937                                 fi
 938                         fi
 939
 940                         cd ${POPDIR}
 941                 fi
 942         done
 943 fi
 944
 945 exit 0
 946
 947 #
 948 # Local Variables:
 949 # fill-column: 131
 950 # End:
 951 #
 952
 953 # end of configure