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, 95, 96, 97, 98, 1999
   7 # Free Software Foundation, Inc.
   8
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22
  23 # This file was originally written by K. Richard Pixley.
  24
  25 #
  26 # Shell script to create proper links to machine-dependent files in
  27 # preparation for compilation.
  28 #
  29 # If configure succeeds, it leaves its status in config.status.
  30 # If configure fails after disturbing the status quo,
  31 #       config.status is removed.
  32 #
  33
  34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 #for Test
  41 #remove="echo rm"
  42 #hard_link="echo ln"
  43 #symbolic_link="echo ln -s"
  44
  45 # clear some things potentially inherited from environment.
  46
  47 Makefile=Makefile
  48 Makefile_in=Makefile.in
  49 arguments=
  50 build_alias=
  51 cache_file=config.cache
  52 cache_file_option=
  53 configdirs=
  54 extraconfigdirs=
  55 diroptions=
  56 enable_threads=no
  57 enable_shared=no
  58 exec_prefix=
  59 exec_prefixoption=
  60 fatal=
  61 floating_point=default
  62 gas=default
  63 gcc_version=
  64 gcc_version_trigger=
  65 host_alias=NOHOST
  66 host_makefile_frag=
  67 moveifchange=
  68 norecursion=
  69 other_options=
  70 package_makefile_frag=
  71 package_makefile_rules_frag=
  72 prefix=/usr/local
  73 progname=
  74 program_prefix=
  75 program_prefixoption=
  76 program_suffix=
  77 program_suffixoption=
  78 program_transform_name=
  79 program_transform_nameoption=
  80 redirect=
  81 removing=
  82 site=
  83 site_makefile_frag=
  84 site_option=
  85 srcdir=
  86 srctrigger=
  87 subdirs=
  88 target_alias=NOTARGET
  89 target_makefile_frag=
  90 undefs=NOUNDEFS
  91 version="$Revision: 1.28 $"
  92 x11=default
  93 bindir='${exec_prefix}/bin'
  94 sbindir='${exec_prefix}/sbin'
  95 libexecdir='${exec_prefix}/libexec'
  96 datadir='${prefix}/share'
  97 sysconfdir='${prefix}/etc'
  98 sharedstatedir='${prefix}/com'
  99 localstatedir='${prefix}/var'
 100 libdir='${exec_prefix}/lib'
 101 includedir='${prefix}/include'
 102 oldincludedir='/usr/include'
 103 infodir='${prefix}/info'
 104 mandir='${prefix}/man'
 105
 106 ### we might need to use some other shell than /bin/sh for running subshells
 107
 108 ### If we are on Windows, search for the shell.  This will permit people
 109 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
 110 ### without also having to set CONFIG_SHELL.  This code will work when
 111 ### using bash, which sets OSTYPE.
 112 case "${OSTYPE}" in
 113 *win32*)
 114   if [ x${CONFIG_SHELL} = x ]; then
 115     if [ ! -f /bin/sh ]; then
 116       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
 117         CONFIG_SHELL=${SHELL}
 118         export CONFIG_SHELL
 119       else
 120         for prog in sh sh.exe bash bash.exe; do
 121           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 122           for dir in $PATH; do
 123             test -z "$dir" && dir=.
 124             if test -f $dir/$prog; then
 125               CONFIG_SHELL=$dir/$prog
 126               export CONFIG_SHELL
 127               break
 128             fi
 129           done
 130           IFS="$save_ifs"
 131           test -n "${CONFIG_SHELL}" && break
 132         done
 133       fi
 134     fi
 135   fi
 136   ;;
 137 esac
 138
 139 config_shell=${CONFIG_SHELL-/bin/sh}
 140
 141 NO_EDIT="This file was generated automatically by configure.  Do not edit."
 142
 143 ## this is a little touchy and won't always work, but...
 144 ##
 145 ## if the argv[0] starts with a slash then it is an absolute name that can (and
 146 ## must) be used as is.
 147 ##
 148 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 149 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 150 ##
 151
 152 progname=$0
 153 # if PWD already has a value, it is probably wrong.
 154 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 155
 156 case "${progname}" in
 157 /*) ;;
 158 */*) ;;
 159 *)
 160         PATH=$PATH:${PWD=`pwd`} ; export PATH
 161         ;;
 162 esac
 163
 164 # Loop over all args
 165
 166 while :
 167 do
 168
 169 # Break out if there are no more args
 170         case $# in
 171         0)
 172                 break
 173                 ;;
 174         esac
 175
 176 # Get the first arg, and shuffle
 177         option=$1
 178         shift
 179
 180 # Make all options have two hyphens
 181         orig_option=$option     # Save original for error messages
 182         case $option in
 183         --*) ;;
 184         -*) option=-$option ;;
 185         esac
 186
 187 # Split out the argument for options that take them
 188         case $option in
 189         --*=*)
 190                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 191                 arguments="$arguments $option"
 192                 ;;
 193 # These options have mandatory values.  Since we didn't find an = sign,
 194 # the value must be in the next argument
 195         --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
 196                 optarg=$1
 197                 shift
 198                 arguments="$arguments $option=$optarg"
 199                 ;;
 200         --v)
 201                 arguments="$arguments -v"
 202                 ;;
 203         --*)
 204                 arguments="$arguments $option"
 205                 ;;
 206         esac
 207
 208 # Now, process the options
 209         case $option in
 210
 211         --bi*)
 212                 bindir=$optarg
 213                 diroptions="$diroptions --bindir=$optarg"
 214                 ;;
 215         --build* | --bu*)
 216                 case "$build_alias" in
 217                 "") build_alias=$optarg ;;
 218                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 219                    fatal=yes
 220                    ;;
 221                 esac
 222                 ;;
 223         --cache*)
 224                 cache_file=$optarg
 225                 ;;
 226         --da*)
 227                 datadir=$optarg
 228                 diroptions="$diroptions --datadir=$optarg"
 229                 ;;
 230         --disable-*)
 231                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 232                 eval $enableopt=no
 233                 disableoptions="$disableoptions $option"
 234                 ;;
 235         --enable-*)
 236                 case "$option" in
 237                 *=*)    ;;
 238                 *)      optarg=yes ;;
 239                 esac
 240
 241                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 242                 eval "$enableopt=\$optarg"
 243                 enableoptions="$enableoptions '$option'"
 244                 ;;
 245         --exec-prefix* | --ex*)
 246                 exec_prefix=$optarg
 247                 exec_prefixoption="--exec-prefix=$optarg"
 248                 ;;
 249         --gas | --g*)
 250                 gas=yes
 251                 ;;
 252         --help | --he*)
 253                 fatal=yes
 254                 ;;
 255         --host* | --ho*)
 256                 case $host_alias in
 257                 NOHOST) host_alias=$optarg ;;
 258                 *) echo '***' Can only configure for one host at a time.  1>&2
 259                    fatal=yes
 260                    ;;
 261                 esac
 262                 ;;
 263         --inc*)
 264                 includedir=$optarg
 265                 diroptions="$diroptions --includedir=$optarg"
 266                 ;;
 267         --inf*)
 268                 infodir=$optarg
 269                 diroptions="$diroptions --infodir=$optarg"
 270                 ;;
 271         --libd*)
 272                 libdir=$optarg
 273                 diroptions="$diroptions --libdir=$optarg"
 274                 ;;
 275         --libe*)
 276                 libexecdir=$optarg
 277                 diroptions="$diroptions --libexecdir=$optarg"
 278                 ;;
 279         --lo*)
 280                 localstatedir=$optarg
 281                 diroptions="$diroptions --localstatedir=$optarg"
 282                 ;;
 283         --ma*)
 284                 mandir=$optarg
 285                 diroptions="$diroptions --mandir=$optarg"
 286                 ;;
 287         --nfp | --nf*)
 288                 floating_point=no
 289                 floating_pointoption="--nfp"
 290                 ;;
 291         --norecursion | --no*)
 292                 norecursion=yes
 293                 ;;
 294         --ol*)
 295                 oldincludedir=$optarg
 296                 diroptions="$diroptions --oldincludedir=$optarg"
 297                 ;;
 298         --prefix* | --pre*)
 299                 prefix=$optarg
 300                 prefixoption="--prefix=$optarg"
 301                 ;;
 302         --program-prefix* | --program-p*)
 303                 program_prefix=$optarg
 304                 program_prefixoption="--program-prefix=$optarg"
 305                 ;;
 306         --program-suffix* | --program-s*)
 307                 program_suffix=$optarg
 308                 program_suffixoption="--program-suffix=$optarg"
 309                 ;;
 310         --program-transform-name* | --program-t*)
 311                 # Double any backslashes or dollar signs in the argument
 312                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 313                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 314                 ;;
 315         --rm)
 316                 removing=--rm
 317                 ;;
 318         --sb*)
 319                 sbindir=$optarg
 320                 diroptions="$diroptions --sbindir=$optarg"
 321                 ;;
 322         --sh*)
 323                 sharedstatedir=$optarg
 324                 diroptions="$diroptions --sharedstatedir=$optarg"
 325                 ;;
 326         --silent | --sil* | --quiet | --q*)
 327                 redirect=">/dev/null"
 328                 verbose=--silent
 329                 ;;
 330         --site* | --sit*)
 331                 site=$optarg
 332                 site_option="--site=$optarg"
 333                 ;;
 334         --srcdir*/ | --sr*/)
 335                 # Remove trailing slashes.  Otherwise, when the file name gets
 336                 # bolted into an object file as debug info, it has two slashes
 337                 # in it.  Ordinarily this is ok, but emacs takes double slash
 338                 # to mean "forget the first part".
 339                 srcdir=`echo $optarg | sed -e 's:/$::'`
 340                 ;;
 341         --srcdir* | --sr*)
 342                 srcdir=$optarg
 343                 ;;
 344         --sy*)
 345                 sysconfdir=$optarg
 346                 diroptions="$diroptions --sysconfdir=$optarg"
 347                 ;;
 348         --target* | --ta*)
 349                 case $target_alias in
 350                 NOTARGET) target_alias=$optarg ;;
 351                 *) echo '***' Can only configure for one target at a time.  1>&2
 352                    fatal=yes
 353                    ;;
 354                 esac
 355                 ;;
 356         --tmpdir* | --tm*)
 357                 TMPDIR=$optarg
 358                 tmpdiroption="--tmpdir=$optarg"
 359                 ;;
 360         --verbose | --v | --verb*)
 361                 redirect=
 362                 verbose=--verbose
 363                 ;;
 364         --version | --V | --vers*)
 365                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 366                 exit 0
 367                 ;;
 368         --with-*)
 369                 case "$option" in
 370                 *=*)    ;;
 371                 *)      optarg=yes ;;
 372                 esac
 373
 374                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 375                 eval $withopt="\$optarg"
 376                 withoptions="$withoptions $option"
 377                 ;;
 378         --without-*)
 379                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 380                 eval $withopt=no
 381                 withoutoptions="$withoutoptions $option"
 382                 ;;
 383         --x)    with_x=yes
 384                 withoptions="$withoptions --with-x"
 385                 ;;
 386         --x-i* | --x-l*) other_options="$other_options $orig_option"
 387                 ;;
 388         --*)
 389                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 390                 exit 1
 391                 ;;
 392         *)
 393                 case $undefs in
 394                 NOUNDEFS) undefs=$option ;;
 395                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 396                    fatal=yes
 397                    ;;
 398                 esac
 399                 ;;
 400         esac
 401 done
 402
 403 # Remember the pristine configure arguments for later.  $arguments gets
 404 # built up with further defaults in preparation for recursion.
 405 original_arguments=$arguments
 406
 407 # process host and target
 408
 409 # Do some error checking and defaulting for the host and target type.
 410 # The inputs are:
 411 #    configure --host=HOST --target=TARGET UNDEFS
 412 #
 413 # The rules are:
 414 # 1. You aren't allowed to specify --host, --target, and undefs at the
 415 #    same time.
 416 # 2. Host defaults to undefs.
 417 # 3. If undefs is not specified, then host defaults to the current host,
 418 #    as determined by config.guess.
 419 # 4. Target defaults to undefs.
 420 # 5. If undefs is not specified, then target defaults to host.
 421
 422 case "${fatal}" in
 423 "")
 424         # Make sure that host, target & undefs aren't all specified at the
 425         # same time.
 426         case $host_alias---$target_alias---$undefs in
 427         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 428                 ;;
 429         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 430            fatal=yes
 431            break 2
 432                 ;;
 433         esac
 434
 435         # Now, do defaulting for host.
 436         case $host_alias in
 437         NOHOST)
 438                 case $undefs in
 439                 NOUNDEFS)
 440                         # Neither --host option nor undefs were present.
 441                         # Call config.guess.
 442                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 443                         if host_alias=`${config_shell} ${guesssys}`
 444                         then
 445                                 # If the string we are going to use for
 446                                 # the target is a prefix of the string
 447                                 # we just guessed for the host, then
 448                                 # assume we are running native, and force
 449                                 # the same string for both target and host.
 450                                 case $target_alias in
 451                                 NOTARGET) ;;
 452                                 *)
 453                                         if expr $host_alias : $target_alias >/dev/null
 454                                         then
 455                                                 host_alias=$target_alias
 456                                         fi
 457                                         ;;
 458                                 esac
 459                                 echo "Configuring for a ${host_alias} host." 1>&2
 460                                 arguments="--host=$host_alias $arguments"
 461                         else
 462                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 463                                 fatal=yes
 464                         fi
 465                         ;;
 466                 *)
 467                         host_alias=$undefs
 468                         arguments="--host=$host_alias $arguments"
 469                         undefs=NOUNDEFS
 470                         ;;
 471                 esac
 472         esac
 473
 474         # Do defaulting for target.  If --target option isn't present, default
 475         # to undefs.  If undefs isn't present, default to host.
 476         case $target_alias in
 477         NOTARGET)
 478                 case $undefs in
 479                 NOUNDEFS)
 480                         target_alias=$host_alias
 481                         ;;
 482                 *)
 483                         target_alias=$undefs
 484                         arguments="--target=$target_alias $arguments"
 485                         ;;
 486                 esac
 487         esac
 488         ;;
 489 *) ;;
 490 esac
 491
 492 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 493         exec 1>&2
 494         echo Usage: configure [OPTIONS] [HOST]
 495         echo
 496         echo Options: [defaults in brackets]
 497         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 498         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 499         echo ' --help                    print this message [normal config]'
 500         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 501         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 502         echo ' --norecursion             configure this directory only [recurse]'
 503         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 504         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 505         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 506         echo ' --site=SITE               configure with site-specific makefile for SITE'
 507         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 508         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 509         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 510         echo ' --nfp                     configure for software floating point [hard float]'
 511         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 512         echo ' --without-FOO             package FOO is NOT available'
 513         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 514         echo ' --disable-FOO             do not include feature FOO'
 515         echo
 516         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 517         echo
 518         if [ -r config.status ] ; then
 519                 cat config.status
 520         fi
 521
 522         exit 1
 523 fi
 524
 525 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 526 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 527 ## the sed command below emulates the dirname command
 528 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
 529
 530
 531 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 532 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 533         true
 534 else
 535         echo '***' cannot find config.sub.  1>&2
 536         exit 1
 537 fi
 538
 539 touch config.junk
 540 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 541         true
 542 else
 543         echo '***' cannot find move-if-change.  1>&2
 544         exit 1
 545 fi
 546 rm -f config.junk config.trash
 547
 548 case "${srcdir}" in
 549 "")
 550         if [ -r configure.in ] ; then
 551                 srcdir=.
 552         else
 553                 if [ -r ${progname}.in ] ; then
 554                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 555                 else
 556                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 557                         exit 1
 558                 fi
 559         fi
 560         ;;
 561 *)
 562         # Set srcdir to "." if that's what it is.
 563         # This is important for multilib support.
 564         if [ ! -d ${srcdir} ] ; then
 565                 echo "Invalid source directory ${srcdir}" >&2
 566                 exit 1
 567         fi
 568         pwd=`pwd`
 569         srcpwd=`cd ${srcdir} ; pwd`
 570         if [ "${pwd}" = "${srcpwd}" ] ; then
 571                 srcdir=.
 572         fi
 573 esac
 574
 575 ### warn about some conflicting configurations.
 576
 577 case "${srcdir}" in
 578 ".") ;;
 579 *)
 580         if [ -f ${srcdir}/config.status ] ; then
 581                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 582                 exit 1
 583         fi
 584 esac
 585
 586 # default exec_prefix
 587 case "${exec_prefixoption}" in
 588 "") exec_prefix="\$(prefix)" ;;
 589 *) ;;
 590 esac
 591
 592 # Define the trigger file to make sure configure will re-run whenever
 593 # the gcc version number changes.
 594 if [ "${with_gcc_version_trigger+set}" = set ]; then
 595     gcc_version_trigger="$with_gcc_version_trigger"
 596     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 597 else
 598     # If gcc's sources are available, define the trigger file.
 599     if [ -f ${topsrcdir}/gcc/version.c ] ; then
 600         gcc_version_trigger=${topsrcdir}/gcc/version.c
 601         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 602         case "$arguments" in
 603           *--with-gcc-version-trigger=$gcc_version_trigger* )
 604             ;;
 605           * )
 606             # Make sure configure.in knows about this.
 607             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
 608             ;;
 609         esac
 610         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
 611     fi
 612 fi
 613
 614 ### break up ${srcdir}/configure.in.
 615 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 616 "")
 617         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 618         # Check for a directory that's been converted to use autoconf since
 619         # it was last configured.
 620         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 621           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 622           if [ -r ${srcdir}/configure ] ; then
 623             echo '***' Running the local configure script. 1>&2
 624             case "${cache_file}" in
 625             "") cache_file_option= ;;
 626             *)  cache_file_option="--cache-file=${cache_file}" ;;
 627             esac
 628             srcdiroption="--srcdir=${srcdir}"
 629             case "${build_alias}" in
 630             "") buildopt= ;;
 631             *)  buildopt="--build=${build_alias}" ;;
 632             esac
 633             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 634                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 635                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 636                 ${srcdiroption} ${diroptions} \
 637                 ${program_prefixoption} ${program_suffixoption} \
 638                 ${program_transform_nameoption} ${site_option} \
 639                 ${withoptions} ${withoutoptions} \
 640                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 641                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 642           else
 643             echo '***' There is no configure script present though. 1>&2
 644           fi
 645         fi
 646         exit 1
 647         ;;
 648 *) ;;
 649 esac
 650
 651 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 652 "")
 653         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 654         exit 1
 655         ;;
 656 *) ;;
 657 esac
 658
 659 case "${TMPDIR}" in
 660 "") TMPDIR=/tmp ; export TMPDIR ;;
 661 *) ;;
 662 esac
 663
 664 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
 665 tmpfile=${TMPDIR}/cNf$$
 666 # Note that under many versions of sh a trap handler for 0 will *override* any
 667 # exit status you explicitly specify!  At this point, the only non-error exit
 668 # is at the end of the script; these actions are duplicated there, minus
 669 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 670 # trap handler, or you'll lose.
 671 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 672
 673 # split ${srcdir}/configure.in into common, per-host, per-target,
 674 # and post-target parts.  Post-target is optional.
 675 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 676 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 677 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 678   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 679   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 680 else
 681   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 682   echo >${tmpfile}.pos
 683 fi
 684
 685 ### do common part of configure.in
 686
 687 # If the language specific compiler does not exist, but the "gcc" directory does,
 688 # we will skip this directory; in this case the sub-directory's common part
 689 # of configure.in will create a small shell script "skip-this-dir" containing
 690 # commands to completely clean up any temporary or created files.
 691
 692 . ${tmpfile}.com
 693
 694 if test -f skip-this-dir; then
 695         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
 696         # and reset the trap handler.
 697         trap 0
 698         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 699         # Execute the final clean-up actions
 700         ${config_shell} skip-this-dir
 701         # and stop configuring this directory.
 702         exit 0
 703 fi
 704
 705 # some sanity checks on configure.in
 706 case "${srctrigger}" in
 707 "")
 708         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 709         exit 1
 710         ;;
 711 *) ;;
 712 esac
 713
 714 case "${build_alias}" in
 715 "")
 716         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 717             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 718             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 719             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 720             build=${build_cpu}-${build_vendor}-${build_os}
 721             build_alias=${host_alias}
 722         fi
 723         ;;
 724 *)
 725         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 726             buildopt="--build=${build_alias}"
 727             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 728             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 729             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 730             build=${build_cpu}-${build_vendor}-${build_os}
 731         else
 732             echo "Unrecognized build system name ${build_alias}." 1>&2
 733             exit 1
 734         fi
 735         ;;
 736 esac
 737
 738 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 739     true
 740 else
 741     echo "Unrecognized host system name ${host_alias}." 1>&2
 742     exit 1
 743 fi
 744 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 745 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 746 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 747 host=${host_cpu}-${host_vendor}-${host_os}
 748
 749 . ${tmpfile}.hst
 750
 751 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 752     true
 753 else
 754     echo "Unrecognized target system name ${target_alias}." 1>&2
 755     exit 1
 756 fi
 757 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 758 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 759 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 760 target=${target_cpu}-${target_vendor}-${target_os}
 761
 762 . ${tmpfile}.tgt
 763
 764 # Find the source files, if location was not specified.
 765 case "${srcdir}" in
 766 "")
 767         srcdirdefaulted=1
 768         srcdir=.
 769         if [ ! -r ${srctrigger} ] ; then
 770                 srcdir=..
 771         fi
 772         ;;
 773 *) ;;
 774 esac
 775
 776 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 777         case "${srcdirdefaulted}" in
 778         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 779         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 780         esac
 781
 782         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 783         exit 1
 784 fi
 785
 786 # Some systems (e.g., one of the i386-aix systems the gas testers are
 787 # using) don't handle "\$" correctly, so don't use it here.
 788 tooldir='$(exec_prefix)'/${target_alias}
 789
 790 if [ "${host_alias}" != "${target_alias}" ] ; then
 791     if [ "${program_prefixoption}" = "" ] ; then
 792         if [ "${program_suffixoption}" = "" ] ; then
 793             if [ "${program_transform_nameoption}" = "" ] ; then
 794                 program_prefix=${target_alias}- ;
 795             fi
 796         fi
 797     fi
 798 fi
 799
 800 # Merge program_prefix and program_suffix onto program_transform_name.
 801 # (program_suffix used to use $, but it's hard to preserve $ through both
 802 # make and sh.)
 803 if [ "${program_suffix}" != "" ] ; then
 804     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 805 fi
 806
 807 if [ "${program_prefix}" != "" ] ; then
 808     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 809 fi
 810
 811 # If CC and CXX are not set in the environment, and the Makefile
 812 # exists, try to extract them from it.  This is to handle running
 813 # ./config.status by hand.
 814 if [ -z "${CC}" ] && [ -r Makefile ]; then
 815   sed -n -e ':loop
 816 /\\$/ N
 817 s/\\\n//g
 818 t loop
 819 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 820   CC=`tail -1 Makefile.cc`
 821   rm -f Makefile.cc
 822 fi
 823
 824 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
 825   sed -n -e ':loop
 826 /\\$/ N
 827 s/\\\n//g
 828 t loop
 829 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 830   CFLAGS=`tail -1 Makefile.cc`
 831   rm -f Makefile.cc
 832 fi
 833
 834 if [ -z "${CXX}" ] && [ -r Makefile ]; then
 835   sed -n -e ':loop
 836 /\\$/ N
 837 s/\\\n//g
 838 t loop
 839 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 840   CXX=`tail -1 Makefile.cc`
 841   rm -f Makefile.cc
 842 fi
 843
 844 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
 845   sed -n -e ':loop
 846 /\\$/ N
 847 s/\\\n//g
 848 t loop
 849 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 850   CXXFLAGS=`tail -1 Makefile.cc`
 851   rm -f Makefile.cc
 852 fi
 853
 854 # Generate a default definition for YACC.  This is used if the makefile can't
 855 # locate bison or byacc in objdir.
 856
 857 for prog in 'bison -y' byacc yacc
 858 do
 859   set dummy $prog; tmp=$2
 860   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 861   for dir in $PATH; do
 862     test -z "$dir" && dir=.
 863     if test -f $dir/$tmp; then
 864       DEFAULT_YACC="$prog"
 865       break
 866     fi
 867   done
 868   IFS="$save_ifs"
 869
 870   test -n "$DEFAULT_YACC" && break
 871 done
 872
 873 # Generate a default definition for M4.  This is used if the makefile can't
 874 # locate m4 in objdir.
 875
 876 for prog in gm4 gnum4 m4
 877 do
 878   set dummy $prog; tmp=$2
 879   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 880   for dir in $PATH; do
 881     test -z "$dir" && dir=.
 882     if test -f $dir/$tmp; then
 883       DEFAULT_M4="$prog"
 884       break
 885     fi
 886   done
 887   IFS="$save_ifs"
 888
 889   test -n "$DEFAULT_M4" && break
 890 done
 891
 892 # Generate a default definition for LEX.  This is used if the makefile can't
 893 # locate flex in objdir.
 894
 895 for prog in flex lex
 896 do
 897   set dummy $prog; tmp=$2
 898   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 899   for dir in $PATH; do
 900     test -z "$dir" && dir=.
 901     if test -f $dir/$tmp; then
 902       DEFAULT_LEX="$prog"
 903       break
 904     fi
 905   done
 906   IFS="$save_ifs"
 907
 908   test -n "$DEFAULT_LEX" && break
 909 done
 910
 911 if [ "${build}" != "${host}" ]; then
 912   # If we are doing a Canadian Cross, in which the host and build systems
 913   # are not the same, we set reasonable default values for the tools.
 914
 915   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 916   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 917   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 918   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 919   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 920   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 921   tools="${tools} OBJCOPY OBJDUMP"
 922
 923   for var in ${tools}; do
 924     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
 925       sed -n -e ':loop
 926 /\\$/ N
 927 s/\\\n//g
 928 t loop
 929 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 930         < Makefile > Makefile.v
 931       t=`tail -1 Makefile.v`
 932       if [ -n "${t}" ]; then
 933         eval "${var}=\${t}"
 934       fi
 935       rm -f Makefile.v
 936     fi
 937   done
 938
 939   AR=${AR-${host_alias}-ar}
 940   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 941   AS=${AS-${host_alias}-as}
 942   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 943   BISON=${BISON-bison}
 944   CC=${CC-${host_alias}-gcc}
 945   CFLAGS=${CFLAGS-"-g -O2"}
 946   CXX=${CXX-${host_alias}-c++}
 947   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 948   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 949   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 950   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 951   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 952   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 953   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 954   HOST_PREFIX=${build_alias}-
 955   HOST_PREFIX_1=${build_alias}-
 956   LD=${LD-${host_alias}-ld}
 957   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 958   MAKEINFO=${MAKEINFO-makeinfo}
 959   NM=${NM-${host_alias}-nm}
 960   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 961   RANLIB=${RANLIB-${host_alias}-ranlib}
 962   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 963   WINDRES=${WINDRES-${host_alias}-windres}
 964   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 965   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
 966   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
 967
 968   if [ -z "${YACC}" ]; then
 969     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 970     for dir in $PATH; do
 971       test -z "$dir" && dir=.
 972       if test -f $dir/bison; then
 973         YACC="bison -y"
 974         break
 975       fi
 976       if test -f $dir/byacc; then
 977         YACC=byacc
 978         break
 979       fi
 980       if test -f $dir/yacc; then
 981         YACC=yacc
 982         break
 983       fi
 984     done
 985     IFS="$save_ifs"
 986     if [ -z "${YACC}" ]; then
 987       YACC="bison -y"
 988     fi
 989   fi
 990
 991   if [ -z "${LEX}" ]; then
 992     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 993     for dir in $PATH; do
 994       test -z "$dir" && dir=.
 995       if test -f $dir/flex; then
 996         LEX=flex
 997         break
 998       fi
 999       if test -f $dir/lex; then
1000         LEX=lex
1001         break
1002       fi
1003     done
1004     IFS="$save_ifs"
1005     LEX=${LEX-flex}
1006   fi
1007
1008   # Export variables which autoconf might try to set.
1009   export AS
1010   export AR
1011   export CC_FOR_BUILD
1012   export DLLTOOL
1013   export LD
1014   export NM
1015   export RANLIB
1016   export WINDRES
1017   export OBJCOPY
1018   export OBJDUMP
1019 else
1020   # If CC is still not set, try to get gcc.
1021   if [ -z "${CC}" ]; then
1022     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1023     for dir in $PATH; do
1024       test -z "$dir" && dir=.
1025       if test -f $dir/gcc; then
1026         CC="gcc"
1027         echo 'void f(){}' > conftest.c
1028         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1029           CFLAGS=${CFLAGS-"-g -O2"}
1030           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1031         else
1032           CFLAGS=${CFLAGS-"-O2"}
1033           CXXFLAGS=${CXXFLAGS-"-O2"}
1034         fi
1035         rm -f conftest*
1036         break
1037       fi
1038     done
1039     IFS="$save_ifs"
1040     CC=${CC-cc}
1041   else
1042     if test -z "${CFLAGS}"; then
1043       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1044       # is set to a version of gcc.
1045       case "${CC}" in
1046       *gcc)
1047         echo 'void f(){}' > conftest.c
1048         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1049           CFLAGS=${CFLAGS-"-g -O2"}
1050           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1051         else
1052           CFLAGS=${CFLAGS-"-O2"}
1053           CXXFLAGS=${CXXFLAGS-"-O2"}
1054         fi
1055         rm -f conftest*
1056         ;;
1057       esac
1058     fi
1059   fi
1060
1061   CXX=${CXX-"c++"}
1062   CFLAGS=${CFLAGS-"-g"}
1063   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1064 fi
1065
1066 export CC
1067 export CXX
1068 export CFLAGS
1069 export CXXFLAGS
1070
1071 # FIXME: This should be in configure.in, not configure
1072 case "$host" in
1073         *go32*)
1074             enable_gdbtk=no ;;
1075         *msdosdjgpp*)
1076             enable_gdbtk=no ;;
1077 esac
1078
1079 # FIXME: This should be in configure.in, not configure
1080 # Determine whether gdb needs tk/tcl or not.
1081 if [ "$enable_gdbtk" != "no" ]; then
1082         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1083 else
1084         GDB_TK=""
1085 fi
1086
1087 for subdir in . ${subdirs} ; do
1088
1089     # ${subdir} is relative path from . to the directory we're currently
1090     # configuring.
1091     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1092     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1093
1094     ### figure out what to do with srcdir
1095     case "${srcdir}" in
1096         ".")  # no -srcdir option.  We're building in place.
1097                 makesrcdir=. ;;
1098         /*) # absolute path
1099                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1100                 ;;
1101         *) # otherwise relative
1102                 case "${subdir}" in
1103                 .) makesrcdir=${srcdir} ;;
1104                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1105                 esac
1106                 ;;
1107     esac
1108
1109     if [ "${subdir}/" != "./" ] ; then
1110         Makefile=${subdir}/Makefile
1111     fi
1112
1113     if [ ! -d ${subdir} ] ; then
1114         if mkdir ${subdir} ; then
1115                 true
1116         else
1117                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1118                 exit 1
1119         fi
1120     fi
1121
1122     case "${removing}" in
1123     "")
1124         case "${subdir}" in
1125         .) ;;
1126         *) eval echo Building in ${subdir} ${redirect} ;;
1127         esac
1128
1129         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1130         # Set up the list of links to be made.
1131         # ${links} is the list of link names, and ${files} is the list of names to link to.
1132
1133         # Make the links.
1134         configlinks="${links}"
1135         if [ -r ${subdir}/config.status ] ; then
1136                 mv -f ${subdir}/config.status ${subdir}/config.back
1137         fi
1138         while [ -n "${files}" ] ; do
1139                 # set file to car of files, files to cdr of files
1140                 set ${files}; file=$1; shift; files=$*
1141                 set ${links}; link=$1; shift; links=$*
1142
1143                 if [ ! -r ${srcdir}/${file} ] ; then
1144                   if [ ! -r ${file} ] ; then
1145
1146                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1147                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1148                         exit 1
1149                   else
1150                         srcfile=${file}
1151                   fi
1152                 else
1153                         srcfile=${srcdir}/${file}
1154                 fi
1155
1156                 ${remove} -f ${link}
1157                 # Make a symlink if possible, otherwise try a hard link
1158                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1159                         true
1160                 else
1161                         # We need to re-remove the file because Lynx leaves a
1162                         # very strange directory there when it fails an NFS symlink.
1163                         ${remove} -r -f ${link}
1164                         ${hard_link} ${srcfile} ${link}
1165                 fi
1166                 if [ ! -r ${link} ] ; then
1167                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1168                         exit 1
1169                 fi
1170
1171                 echo "Linked \"${link}\" to \"${srcfile}\"."
1172         done
1173
1174         # Create a .gdbinit file which runs the one in srcdir
1175         # and tells GDB to look there for source files.
1176
1177         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1178                 case ${srcdir} in
1179                 .) ;;
1180                 *) cat > ${subdir}/.gdbinit <<EOF
1181 # ${NO_EDIT}
1182 dir ${makesrcdir}
1183 dir .
1184 source ${makesrcdir}/.gdbinit
1185 EOF
1186                         ;;
1187                 esac
1188         fi
1189
1190         # Install a makefile, and make it set VPATH
1191         # if necessary so that the sources are found.
1192         # Also change its value of srcdir.
1193         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1194         # been somewhat optimized and is perhaps a bit twisty.
1195
1196         # code is order so as to try to sed the smallest input files we know.
1197         # so do these separately because I don't trust the order of sed -e expressions.
1198
1199         # the five makefile fragments MUST end up in the resulting Makefile in this order:
1200         # package macros, target, host, site, and package rules.
1201
1202         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1203
1204             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1205             rm -f ${subdir}/${Makefile}.tem
1206             case "${package_makefile_rules_frag}" in
1207               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1208               *)
1209                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1210                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1211                       fi
1212                       if [ -f ${package_makefile_rules_frag} ] ; then
1213                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1214                       else
1215                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1216                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1217                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1218                       fi
1219             esac
1220             # working copy now in ${Makefile}.tem
1221
1222             # Conditionalize for this site.
1223             rm -f ${Makefile}
1224               case "${site}" in
1225               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1226               *)
1227                       site_makefile_frag=${srcdir}/config/ms-${site}
1228
1229                       if [ -f ${site_makefile_frag} ] ; then
1230                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1231                                       > ${Makefile}
1232                       else
1233                               mv ${subdir}/Makefile.tem ${Makefile}
1234                               site_makefile_frag=
1235                       fi
1236                       ;;
1237             esac
1238             # working copy now in ${Makefile}
1239
1240             # Conditionalize the makefile for this host.
1241             rm -f ${subdir}/Makefile.tem
1242             case "${host_makefile_frag}" in
1243               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1244               *)
1245                       if [ ! -f ${host_makefile_frag} ] ; then
1246                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1247                       fi
1248                       if [ -f ${host_makefile_frag} ] ; then
1249                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1250                       else
1251                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1252                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1253                               mv ${Makefile} ${subdir}/Makefile.tem
1254                       fi
1255             esac
1256             # working copy now in ${subdir)/Makefile.tem
1257
1258             # Conditionalize the makefile for this target.
1259             rm -f ${Makefile}
1260             case "${target_makefile_frag}" in
1261               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1262               *)
1263                       if [ ! -f ${target_makefile_frag} ] ; then
1264                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1265                       fi
1266                       if [ -f ${target_makefile_frag} ] ; then
1267                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1268                       else
1269                               mv ${subdir}/Makefile.tem ${Makefile}
1270                               target_makefile_frag=
1271                       fi
1272                       ;;
1273             esac
1274             # working copy now in ${Makefile}
1275
1276             # Emit the default values of this package's macros.
1277             rm -f ${subdir}/Makefile.tem
1278             case "${package_makefile_frag}" in
1279               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1280               *)
1281                       if [ ! -f ${package_makefile_frag} ] ; then
1282                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1283                       fi
1284                       if [ -f ${package_makefile_frag} ] ; then
1285                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1286                       else
1287                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1288                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1289                               mv ${Makefile} ${subdir}/Makefile.tem
1290                       fi
1291             esac
1292             # real copy now in ${subdir}/Makefile.tem
1293
1294             # prepend warning about editting, and a bunch of variables.
1295             rm -f ${Makefile}
1296             cat > ${Makefile} <<EOF
1297 # ${NO_EDIT}
1298 VPATH = ${makesrcdir}
1299 links = ${configlinks}
1300 host_alias = ${host_alias}
1301 host_cpu = ${host_cpu}
1302 host_vendor = ${host_vendor}
1303 host_os = ${host_os}
1304 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1305 target_alias = ${target_alias}
1306 target_cpu = ${target_cpu}
1307 target_vendor = ${target_vendor}
1308 target_os = ${target_os}
1309 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1310 EOF
1311             case "${build}" in
1312               "") ;;
1313               *)  cat >> ${Makefile} << EOF
1314 build_alias = ${build_alias}
1315 build_cpu = ${build_cpu}
1316 build_vendor = ${build_vendor}
1317 build_os = ${build_os}
1318 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1319 EOF
1320             esac
1321
1322             case "${package_makefile_frag}" in
1323               "") ;;
1324               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1325               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1326             esac
1327
1328             case "${target_makefile_frag}" in
1329               "") ;;
1330               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1331               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1332             esac
1333
1334             case "${host_makefile_frag}" in
1335               "") ;;
1336               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1337               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1338             esac
1339
1340             if [ "${site_makefile_frag}" != "" ] ; then
1341                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1342             fi
1343
1344             echo enable_shared = ${enable_shared} >> ${Makefile}
1345             echo enable_threads = ${enable_threads} >> ${Makefile}
1346             # record if we want to rumtime library stuff installed in libsubdir.
1347             if test -z "${enable_version_specific_runtime_libs}"; then
1348                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1349             else
1350                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1351             fi
1352
1353             # Emit a macro which describes the file containing gcc's
1354             # version number.
1355             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1356             # And emit a macro defining gcc's version number.
1357             echo gcc_version = ${gcc_version} >> ${Makefile}
1358
1359             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1360             # remove any form feeds.
1361             if [ -z "${subdirs}" ]; then
1362                 rm -f ${subdir}/Makefile.tm2
1363                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1364                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1365                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1366                 rm -f ${subdir}/Makefile.tem
1367                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1368             fi
1369             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1370                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1371                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1372                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1373                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1374                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1375                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1376                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1377                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1378                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1379                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1380                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1381                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1382                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1383                     -e "/^CC[   ]*=/{
1384                         :loop1
1385                         /\\\\$/ N
1386                         s/\\\\\\n//g
1387                         t loop1
1388                         s%^CC[  ]*=.*$%CC = ${CC}%
1389                         }" \
1390                     -e "/^CXX[  ]*=/{
1391                         :loop2
1392                         /\\\\$/ N
1393                         s/\\\\\\n//g
1394                         t loop2
1395                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1396                         }" \
1397                     -e "/^CFLAGS[       ]*=/{
1398                         :loop3
1399                         /\\\\$/ N
1400                         s/\\\\\\n//g
1401                         t loop3
1402                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1403                         }" \
1404                     -e "/^CXXFLAGS[     ]*=/{
1405                         :loop4
1406                         /\\\\$/ N
1407                         s/\\\\\\n//g
1408                         t loop4
1409                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1410                         }" \
1411                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1412                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1413                     -e "s/\f//" \
1414                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1415                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1416                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1417                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1418                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1419                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1420                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1421                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1422                     ${subdir}/Makefile.tem >> ${Makefile}
1423
1424             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1425             mv -f ${Makefile}.tem ${Makefile}
1426
1427             # If this is a Canadian Cross, preset the values of many more
1428             # tools.
1429             if [ "${build}" != "${host}" ]; then
1430                 for var in ${tools}; do
1431                     eval val=\$${var}
1432                     sed -e "/^${var}[   ]*=/{
1433                            :loop1
1434                            /\\\\$/ N
1435                            /\\\\$/ b loop1
1436                            s/\\\\\\n//g
1437                            s%^${var}[   ]*=.*$%${var} = ${val}%
1438                            }" ${Makefile} > ${Makefile}.tem
1439                     mv -f ${Makefile}.tem ${Makefile}
1440                 done
1441             fi
1442
1443             # final copy now in ${Makefile}
1444
1445         else
1446            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1447         fi
1448
1449         rm -f ${subdir}/Makefile.tem
1450
1451         case "${host_makefile_frag}" in
1452         "") using= ;;
1453         *) using="and \"${host_makefile_frag}\"" ;;
1454         esac
1455
1456         case "${target_makefile_frag}" in
1457         "") ;;
1458         *) using="${using} and \"${target_makefile_frag}\"" ;;
1459         esac
1460
1461         case "${site_makefile_frag}" in
1462         "") ;;
1463         *) using="${using} and \"${site_makefile_frag}\"" ;;
1464         esac
1465
1466         newusing=`echo "${using}" | sed 's/and/using/'`
1467         using=${newusing}
1468         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1469
1470         . ${tmpfile}.pos
1471
1472         # describe the chosen configuration in config.status.
1473         # Make that file a shellscript which will reestablish
1474         # the same configuration.  Used in Makefiles to rebuild
1475         # Makefiles.
1476
1477         case "${norecursion}" in
1478         "") arguments="${arguments} --norecursion" ;;
1479         *) ;;
1480         esac
1481
1482         if [ ${subdir} = . ] ; then
1483             echo "#!/bin/sh
1484 # ${NO_EDIT}
1485 # This directory was configured as follows:
1486 ${progname}" ${arguments}  "
1487 # ${using}" > ${subdir}/config.new
1488         else
1489             echo "#!/bin/sh
1490 # ${NO_EDIT}
1491 # This directory was configured as follows:
1492 cd ${invsubdir}
1493 ${progname}" ${arguments}  "
1494 # ${using}" > ${subdir}/config.new
1495         fi
1496         chmod a+x ${subdir}/config.new
1497         if [ -r ${subdir}/config.back ] ; then
1498                 mv -f ${subdir}/config.back ${subdir}/config.status
1499         fi
1500         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1501         ;;
1502
1503     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1504     esac
1505 done
1506
1507 # If there are subdirectories, then recur.
1508 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
1509         for configdir in ${configdirs} ${extraconfigdirs} ; do
1510
1511                 # If configdir contains ',' it is
1512                 # srcdir,builddir,target_alias
1513                 # These come from extraconfigdirs.
1514                 case ${configdir} in
1515                 *,*)
1516                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1517                     ;;
1518                 *)
1519                     cfg_dir=${configdir}
1520                     bld_dir=${configdir}
1521                     tgt_alias=${target_alias}
1522                     ;;
1523                 esac
1524
1525                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1526                         eval echo Configuring ${configdir}... ${redirect}
1527                         case "${srcdir}" in
1528                         ".") ;;
1529                         *)
1530                                 if [ ! -d ./${bld_dir} ] ; then
1531                                         if mkdir ./${bld_dir} ; then
1532                                                 true
1533                                         else
1534                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1535                                                 exit 1
1536                                         fi
1537                                 fi
1538                                 ;;
1539                         esac
1540
1541                         POPDIR=${PWD=`pwd`}
1542                         cd ${bld_dir}
1543
1544 ### figure out what to do with srcdir
1545                         case "${srcdir}" in
1546                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1547                         /*) # absolute path
1548                                 newsrcdir=${srcdir}/${cfg_dir}
1549                                 srcdiroption="--srcdir=${newsrcdir}"
1550                                 ;;
1551                         ?:*) # absolute path on win32
1552                                 newsrcdir=${srcdir}/${cfg_dir}
1553                                 srcdiroption="--srcdir=${newsrcdir}"
1554                                 ;;
1555                         *) # otherwise relative
1556                                 newsrcdir=../${srcdir}/${cfg_dir}
1557                                 srcdiroption="--srcdir=${newsrcdir}"
1558                                 ;;
1559                         esac
1560
1561                         # Handle --cache-file=../XXX
1562                         case "${cache_file}" in
1563                         "") # empty
1564                                 ;;
1565                         /*) # absolute path
1566                                 cache_file_option="--cache-file=${cache_file}"
1567                                 ;;
1568                         ?:*) # absolute path on win32
1569                                 cache_file_option="--cache-file=${cache_file}"
1570                                 ;;
1571                         *) # relative path
1572                                 cache_file_option="--cache-file=../${cache_file}"
1573                                 ;;
1574                         esac
1575
1576 ### check for guested configure, otherwise fix possibly relative progname
1577                         if [ -f ${newsrcdir}/configure ] ; then
1578                                 recprog=${newsrcdir}/configure
1579                         elif [ -f ${newsrcdir}/configure.in ] ; then
1580                                 case "${progname}" in
1581                                 /*)     recprog=${progname} ;;
1582                                 ?:*)    recprog=${progname} ;;
1583                                 *)      recprog=../${progname} ;;
1584                                 esac
1585                         else
1586                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1587                                 recprog=
1588                         fi
1589
1590 ### The recursion line is here.
1591                         if [ ! -z "${recprog}" ] ; then
1592                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1593                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1594                                         ${srcdiroption} ${diroptions} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1595                                         true
1596                                 else
1597                                         echo Configure in `pwd` failed, exiting. 1>&2
1598                                         exit 1
1599                                 fi
1600                         fi
1601
1602                         cd ${POPDIR}
1603                 fi
1604         done
1605 fi
1606
1607 # Remember configure arguments for later.
1608 cat > gcc/configargs.h <<EOF
1609 /* Generated automatically. */
1610 static const char configuration_arguments[] = "$original_arguments";
1611 EOF
1612
1613 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1614 # and reset the trap handler.
1615 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1616 trap 0
1617
1618 exit 0
1619
1620 #
1621 # Local Variables:
1622 # fill-column: 131
1623 # End:
1624 #
1625
1626 # end of configure