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, 2000, 2001
   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 enable_libstdcxx_v3=yes
  59 exec_prefix=
  60 exec_prefixoption=
  61 fatal=
  62 floating_point=default
  63 gas=default
  64 gcc_version=
  65 gcc_version_trigger=
  66 host_alias=NOHOST
  67 host_makefile_frag=
  68 moveifchange=
  69 norecursion=
  70 other_options=
  71 package_makefile_frag=
  72 package_makefile_rules_frag=
  73 prefix=/usr/local
  74 progname=
  75 program_prefix=
  76 program_prefixoption=
  77 program_suffix=
  78 program_suffixoption=
  79 program_transform_name=
  80 program_transform_nameoption=
  81 redirect=
  82 removing=
  83 site=
  84 site_makefile_frag=
  85 site_option=
  86 srcdir=
  87 srctrigger=
  88 subdirs=
  89 target_alias=NOTARGET
  90 target_makefile_frag=
  91 undefs=NOUNDEFS
  92 version="$Revision: 1.40.6.2 $"
  93 x11=default
  94 bindir='${exec_prefix}/bin'
  95 sbindir='${exec_prefix}/sbin'
  96 libexecdir='${exec_prefix}/libexec'
  97 datadir='${prefix}/share'
  98 sysconfdir='${prefix}/etc'
  99 sharedstatedir='${prefix}/com'
 100 localstatedir='${prefix}/var'
 101 libdir='${exec_prefix}/lib'
 102 includedir='${prefix}/include'
 103 oldincludedir='/usr/include'
 104 infodir='${prefix}/info'
 105 mandir='${prefix}/man'
 106
 107 ### we might need to use some other shell than /bin/sh for running subshells
 108
 109 ### If we are on Windows, search for the shell.  This will permit people
 110 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
 111 ### without also having to set CONFIG_SHELL.  This code will work when
 112 ### using bash, which sets OSTYPE.
 113 case "${OSTYPE}" in
 114 *win32*)
 115   if [ x${CONFIG_SHELL} = x ]; then
 116     if [ ! -f /bin/sh ]; then
 117       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
 118         CONFIG_SHELL=${SHELL}
 119         export CONFIG_SHELL
 120       else
 121         for prog in sh sh.exe bash bash.exe; do
 122           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 123           for dir in $PATH; do
 124             test -z "$dir" && dir=.
 125             if test -f $dir/$prog; then
 126               CONFIG_SHELL=$dir/$prog
 127               export CONFIG_SHELL
 128               break
 129             fi
 130           done
 131           IFS="$save_ifs"
 132           test -n "${CONFIG_SHELL}" && break
 133         done
 134       fi
 135     fi
 136   fi
 137   ;;
 138 esac
 139
 140 config_shell=${CONFIG_SHELL-/bin/sh}
 141
 142 NO_EDIT="This file was generated automatically by configure.  Do not edit."
 143
 144 ## this is a little touchy and won't always work, but...
 145 ##
 146 ## if the argv[0] starts with a slash then it is an absolute name that can (and
 147 ## must) be used as is.
 148 ##
 149 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 150 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 151 ##
 152
 153 progname=$0
 154 # if PWD already has a value, it is probably wrong.
 155 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 156
 157 case "${progname}" in
 158 /* | [A-Za-z]:[\\/]* ) ;;
 159 */*) ;;
 160 *)
 161         PATH=$PATH:${PWD=`pwd`} ; export PATH
 162         ;;
 163 esac
 164
 165 # Export original configure arguments for use by sub-configures.
 166 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
 167 export TOPLEVEL_CONFIGURE_ARGUMENTS
 168
 169 # Loop over all args
 170
 171 while :
 172 do
 173
 174 # Break out if there are no more args
 175         case $# in
 176         0)
 177                 break
 178                 ;;
 179         esac
 180
 181 # Get the first arg, and shuffle
 182         option=$1
 183         shift
 184
 185 # Make all options have two hyphens
 186         orig_option=$option     # Save original for error messages
 187         case $option in
 188         --*) ;;
 189         -*) option=-$option ;;
 190         esac
 191
 192 # Split out the argument for options that take them
 193         case $option in
 194         --*=*)
 195                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 196                 arguments="$arguments $option"
 197                 ;;
 198 # These options have mandatory values.  Since we didn't find an = sign,
 199 # the value must be in the next argument
 200         --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*)
 201                 optarg=$1
 202                 shift
 203                 arguments="$arguments $option=$optarg"
 204                 ;;
 205         --v)
 206                 arguments="$arguments -v"
 207                 ;;
 208         --*)
 209                 arguments="$arguments $option"
 210                 ;;
 211         esac
 212
 213 # Now, process the options
 214         case $option in
 215
 216         --bi*)
 217                 bindir=$optarg
 218                 diroptions="$diroptions --bindir=$optarg"
 219                 ;;
 220         --build* | --bu*)
 221                 case "$build_alias" in
 222                 "") build_alias=$optarg ;;
 223                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 224                    fatal=yes
 225                    ;;
 226                 esac
 227                 ;;
 228         --cache*)
 229                 cache_file=$optarg
 230                 ;;
 231         --da*)
 232                 datadir=$optarg
 233                 diroptions="$diroptions --datadir=$optarg"
 234                 ;;
 235         --disable-*)
 236                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 237                 eval $enableopt=no
 238                 disableoptions="$disableoptions $option"
 239                 ;;
 240         --enable-*)
 241                 case "$option" in
 242                 *=*)    ;;
 243                 *)      optarg=yes ;;
 244                 esac
 245
 246                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 247                 eval "$enableopt=\$optarg"
 248                 enableoptions="$enableoptions '$option'"
 249                 ;;
 250         --exec-prefix* | --ex*)
 251                 exec_prefix=$optarg
 252                 exec_prefixoption="--exec-prefix=$optarg"
 253                 ;;
 254         --gas | --g*)
 255                 gas=yes
 256                 ;;
 257         --help | --he*)
 258                 fatal=yes
 259                 ;;
 260         --host* | --ho*)
 261                 case $host_alias in
 262                 NOHOST) host_alias=$optarg ;;
 263                 *) echo '***' Can only configure for one host at a time.  1>&2
 264                    fatal=yes
 265                    ;;
 266                 esac
 267                 ;;
 268         --inc*)
 269                 includedir=$optarg
 270                 diroptions="$diroptions --includedir=$optarg"
 271                 ;;
 272         --inf*)
 273                 infodir=$optarg
 274                 diroptions="$diroptions --infodir=$optarg"
 275                 ;;
 276         --libd*)
 277                 libdir=$optarg
 278                 diroptions="$diroptions --libdir=$optarg"
 279                 ;;
 280         --libe*)
 281                 libexecdir=$optarg
 282                 diroptions="$diroptions --libexecdir=$optarg"
 283                 ;;
 284         --lo*)
 285                 localstatedir=$optarg
 286                 diroptions="$diroptions --localstatedir=$optarg"
 287                 ;;
 288         --ma*)
 289                 mandir=$optarg
 290                 diroptions="$diroptions --mandir=$optarg"
 291                 ;;
 292         --nfp | --nf*)
 293                 floating_point=no
 294                 floating_pointoption="--nfp"
 295                 ;;
 296         --norecursion | --no*)
 297                 norecursion=yes
 298                 ;;
 299         --ol*)
 300                 oldincludedir=$optarg
 301                 diroptions="$diroptions --oldincludedir=$optarg"
 302                 ;;
 303         --prefix* | --pre*)
 304                 prefix=$optarg
 305                 prefixoption="--prefix=$optarg"
 306                 ;;
 307         --program-prefix* | --program-p*)
 308                 program_prefix=$optarg
 309                 program_prefixoption="--program-prefix=$optarg"
 310                 ;;
 311         --program-suffix* | --program-s*)
 312                 program_suffix=$optarg
 313                 program_suffixoption="--program-suffix=$optarg"
 314                 ;;
 315         --program-transform-name* | --program-t*)
 316                 # Double any backslashes or dollar signs in the argument
 317                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 318                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 319                 ;;
 320         --rm)
 321                 removing=--rm
 322                 ;;
 323         --sb*)
 324                 sbindir=$optarg
 325                 diroptions="$diroptions --sbindir=$optarg"
 326                 ;;
 327         --sh*)
 328                 sharedstatedir=$optarg
 329                 diroptions="$diroptions --sharedstatedir=$optarg"
 330                 ;;
 331         --silent | --sil* | --quiet | --q*)
 332                 redirect=">/dev/null"
 333                 verbose=--silent
 334                 ;;
 335         --site* | --sit*)
 336                 site=$optarg
 337                 site_option="--site=$optarg"
 338                 ;;
 339         --srcdir*/ | --sr*/)
 340                 # Remove trailing slashes.  Otherwise, when the file name gets
 341                 # bolted into an object file as debug info, it has two slashes
 342                 # in it.  Ordinarily this is ok, but emacs takes double slash
 343                 # to mean "forget the first part".
 344                 srcdir=`echo $optarg | sed -e 's:/$::'`
 345                 ;;
 346         --srcdir* | --sr*)
 347                 srcdir=$optarg
 348                 ;;
 349         --sy*)
 350                 sysconfdir=$optarg
 351                 diroptions="$diroptions --sysconfdir=$optarg"
 352                 ;;
 353         --target* | --ta*)
 354                 case $target_alias in
 355                 NOTARGET) target_alias=$optarg ;;
 356                 *) echo '***' Can only configure for one target at a time.  1>&2
 357                    fatal=yes
 358                    ;;
 359                 esac
 360                 ;;
 361         --tmpdir* | --tm*)
 362                 TMPDIR=$optarg
 363                 tmpdiroption="--tmpdir=$optarg"
 364                 ;;
 365         --verbose | --v | --verb*)
 366                 redirect=
 367                 verbose=--verbose
 368                 ;;
 369         --version | --V | --vers*)
 370                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 371                 exit 0
 372                 ;;
 373         --with-*)
 374                 case "$option" in
 375                 *=*)    ;;
 376                 *)      optarg=yes ;;
 377                 esac
 378
 379                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 380                 eval $withopt="\$optarg"
 381                 withoptions="$withoptions $option"
 382                 ;;
 383         --without-*)
 384                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 385                 eval $withopt=no
 386                 withoutoptions="$withoutoptions $option"
 387                 ;;
 388         --x)    with_x=yes
 389                 withoptions="$withoptions --with-x"
 390                 ;;
 391         --x-i* | --x-l*) other_options="$other_options $orig_option"
 392                 ;;
 393         --*)
 394                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 395                 exit 1
 396                 ;;
 397         *)
 398                 case $undefs in
 399                 NOUNDEFS) undefs=$option ;;
 400                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 401                    fatal=yes
 402                    ;;
 403                 esac
 404                 ;;
 405         esac
 406 done
 407
 408 # process host and target
 409
 410 # Do some error checking and defaulting for the host and target type.
 411 # The inputs are:
 412 #    configure --host=HOST --target=TARGET UNDEFS
 413 #
 414 # The rules are:
 415 # 1. You aren't allowed to specify --host, --target, and undefs at the
 416 #    same time.
 417 # 2. Host defaults to undefs.
 418 # 3. If undefs is not specified, then host defaults to the current host,
 419 #    as determined by config.guess.
 420 # 4. Target defaults to undefs.
 421 # 5. If undefs is not specified, then target defaults to host.
 422
 423 case "${fatal}" in
 424 "")
 425         # Make sure that host, target & undefs aren't all specified at the
 426         # same time.
 427         case $host_alias---$target_alias---$undefs in
 428         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 429                 ;;
 430         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 431            fatal=yes
 432            break 2
 433                 ;;
 434         esac
 435
 436         # Now, do defaulting for host.
 437         case $host_alias in
 438         NOHOST)
 439                 case $undefs in
 440                 NOUNDEFS)
 441                         # Neither --host option nor undefs were present.
 442                         # Call config.guess.
 443                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 444                         if host_alias=`${config_shell} ${guesssys}`
 445                         then
 446                                 # If the string we are going to use for
 447                                 # the target is a prefix of the string
 448                                 # we just guessed for the host, then
 449                                 # assume we are running native, and force
 450                                 # the same string for both target and host.
 451                                 case $target_alias in
 452                                 NOTARGET) ;;
 453                                 *)
 454                                         if expr $host_alias : $target_alias >/dev/null
 455                                         then
 456                                                 host_alias=$target_alias
 457                                         fi
 458                                         ;;
 459                                 esac
 460                                 echo "Configuring for a ${host_alias} host."
 461                                 arguments="--host=$host_alias $arguments"
 462                         else
 463                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 464                                 fatal=yes
 465                         fi
 466                         ;;
 467                 *)
 468                         host_alias=$undefs
 469                         arguments="--host=$host_alias $arguments"
 470                         undefs=NOUNDEFS
 471                         ;;
 472                 esac
 473         esac
 474
 475         # Do defaulting for target.  If --target option isn't present, default
 476         # to undefs.  If undefs isn't present, default to host.
 477         case $target_alias in
 478         NOTARGET)
 479                 case $undefs in
 480                 NOUNDEFS)
 481                         target_alias=$host_alias
 482                         ;;
 483                 *)
 484                         target_alias=$undefs
 485                         arguments="--target=$target_alias $arguments"
 486                         ;;
 487                 esac
 488         esac
 489         ;;
 490 *) ;;
 491 esac
 492
 493 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 494         exec 1>&2
 495         echo Usage: configure [OPTIONS] [HOST]
 496         echo
 497         echo Options: [defaults in brackets]
 498         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 499         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 500         echo ' --help                    print this message [normal config]'
 501         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 502         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 503         echo ' --norecursion             configure this directory only [recurse]'
 504         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 505         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 506         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 507         echo ' --site=SITE               configure with site-specific makefile for SITE'
 508         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 509         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 510         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 511         echo ' --nfp                     configure for software floating point [hard float]'
 512         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 513         echo ' --without-FOO             package FOO is NOT available'
 514         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 515         echo ' --disable-FOO             do not include feature FOO'
 516         echo
 517         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 518         echo
 519         if [ -r config.status ] ; then
 520                 cat config.status
 521         fi
 522
 523         exit 1
 524 fi
 525
 526 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 527 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 528 ## the sed command below emulates the dirname command
 529 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
 530
 531
 532 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 533 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 534         true
 535 else
 536         echo '***' cannot find config.sub.  1>&2
 537         exit 1
 538 fi
 539
 540 touch config.junk
 541 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 542         true
 543 else
 544         echo '***' cannot find move-if-change.  1>&2
 545         exit 1
 546 fi
 547 rm -f config.junk config.trash
 548
 549 case "${srcdir}" in
 550 "")
 551         if [ -r configure.in ] ; then
 552                 srcdir=.
 553         else
 554                 if [ -r ${progname}.in ] ; then
 555                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 556                 else
 557                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 558                         exit 1
 559                 fi
 560         fi
 561         ;;
 562 *)
 563         # Set srcdir to "." if that's what it is.
 564         # This is important for multilib support.
 565         if [ ! -d ${srcdir} ] ; then
 566                 echo "Invalid source directory ${srcdir}" >&2
 567                 exit 1
 568         fi
 569         pwd=`pwd`
 570         srcpwd=`cd ${srcdir} ; pwd`
 571         if [ "${pwd}" = "${srcpwd}" ] ; then
 572                 srcdir=.
 573         fi
 574 esac
 575
 576 # If it's an in-source build, make a directory and configure there instead.
 577 # Name the build directory after the host for clarity's sake.  Remember that
 578 # name for the redirecting makefile's use, since the makefile shouldn't have
 579 # to duplicate the work of figuring out host_alias.
 580 #
 581 # Also remember if this is a native build or not.  Variations on "or not"
 582 # are performed later in this script so we can't test them here.  In
 583 # particular, build_alias will still be empty unless specified by the user,
 584 # so do not try in-source builds when making a host-x-host compiler.
 585 # For a cross compile, "make all" = "all".  Otherwise, "all" = "bootstrap".
 586 if test "${srcdir}" = "." ; then
 587         builddir=${host_alias}
 588         if test ! -d ${builddir}; then
 589                 mkdir ${builddir} || exit 1
 590         fi
 591         if test ${host_alias} != ${target_alias}; then
 592                 t=all
 593         else
 594                 t=bootstrap
 595         fi
 596         # stamp-builddir is too long for #$&!*@ 8.3 filesystems
 597         echo "builddir=${builddir}" > s-buildd
 598         echo "defaulttarget=$t" >> s-buildd
 599         cd ${builddir}
 600         exec ${config_shell} ../configure $arguments
 601 fi
 602
 603 ### warn about some conflicting configurations.
 604
 605 case "${srcdir}" in
 606 ".") ;;
 607 *)
 608         if [ -f ${srcdir}/config.status ] ; then
 609                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 610                 exit 1
 611         fi
 612 esac
 613
 614 # default exec_prefix
 615 case "${exec_prefixoption}" in
 616 "") exec_prefix="\$(prefix)" ;;
 617 *) ;;
 618 esac
 619
 620 # Define the trigger file to make sure configure will re-run whenever
 621 # the gcc version number changes.
 622 if [ "${with_gcc_version_trigger+set}" = set ]; then
 623     gcc_version_trigger="$with_gcc_version_trigger"
 624     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 625 else
 626     # If gcc's sources are available, define the trigger file.
 627     if [ -f ${topsrcdir}/gcc/version.c ] ; then
 628         gcc_version_trigger=${topsrcdir}/gcc/version.c
 629         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 630         case "$arguments" in
 631           *--with-gcc-version-trigger=$gcc_version_trigger* )
 632             ;;
 633           * )
 634             # Make sure configure.in knows about this.
 635             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
 636             ;;
 637         esac
 638         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
 639     fi
 640 fi
 641
 642 ### break up ${srcdir}/configure.in.
 643 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 644 "")
 645         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 646         # Check for a directory that's been converted to use autoconf since
 647         # it was last configured.
 648         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 649           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 650           if [ -r ${srcdir}/configure ] ; then
 651             echo '***' Running the local configure script. 1>&2
 652             case "${cache_file}" in
 653             "") cache_file_option= ;;
 654             *)  cache_file_option="--cache-file=${cache_file}" ;;
 655             esac
 656             srcdiroption="--srcdir=${srcdir}"
 657             case "${build_alias}" in
 658             "") buildopt= ;;
 659             *)  buildopt="--build=${build_alias}" ;;
 660             esac
 661             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 662                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 663                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 664                 ${srcdiroption} ${diroptions} \
 665                 ${program_prefixoption} ${program_suffixoption} \
 666                 ${program_transform_nameoption} ${site_option} \
 667                 ${withoptions} ${withoutoptions} \
 668                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 669                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 670           else
 671             echo '***' There is no configure script present though. 1>&2
 672           fi
 673         fi
 674         exit 1
 675         ;;
 676 *) ;;
 677 esac
 678
 679 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 680 "")
 681         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 682         exit 1
 683         ;;
 684 *) ;;
 685 esac
 686
 687 case "${TMPDIR}" in
 688 "") TMPDIR=/tmp ; export TMPDIR ;;
 689 *) ;;
 690 esac
 691
 692 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
 693 tmpdir=${TMPDIR}/cNf$$
 694 mkdir ${tmpdir} || exit 1
 695 tmpfile=${tmpdir}/cNf$$
 696 # Note that under many versions of sh a trap handler for 0 will *override* any
 697 # exit status you explicitly specify!  At this point, the only non-error exit
 698 # is at the end of the script; these actions are duplicated there, minus
 699 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 700 # trap handler, or you'll lose.
 701 trap "rm -rf Makefile.tem ${tmpdir}; exit 1" 0 1 2 15
 702
 703 # split ${srcdir}/configure.in into common, per-host, per-target,
 704 # and post-target parts.  Post-target is optional.
 705 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 706 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 707 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 708   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 709   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 710 else
 711   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 712   echo >${tmpfile}.pos
 713 fi
 714
 715 ### do common part of configure.in
 716
 717 # If the language specific compiler does not exist, but the "gcc" directory does,
 718 # we will skip this directory; in this case the sub-directory's common part
 719 # of configure.in will create a small shell script "skip-this-dir" containing
 720 # commands to completely clean up any temporary or created files.
 721
 722 . ${tmpfile}.com
 723
 724 if test -f skip-this-dir; then
 725         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
 726         # and reset the trap handler.
 727         trap 0
 728         rm -rf Makefile* ${tmpdir}
 729         # Execute the final clean-up actions
 730         ${config_shell} skip-this-dir
 731         # and stop configuring this directory.
 732         exit 0
 733 fi
 734
 735 # some sanity checks on configure.in
 736 case "${srctrigger}" in
 737 "")
 738         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 739         exit 1
 740         ;;
 741 *) ;;
 742 esac
 743
 744 case "${build_alias}" in
 745 "")
 746         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 747             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 748             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 749             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 750             build=${build_cpu}-${build_vendor}-${build_os}
 751             build_alias=${host_alias}
 752         fi
 753         ;;
 754 *)
 755         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 756             buildopt="--build=${build_alias}"
 757             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 758             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 759             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 760             build=${build_cpu}-${build_vendor}-${build_os}
 761         else
 762             echo "Unrecognized build system name ${build_alias}." 1>&2
 763             exit 1
 764         fi
 765         ;;
 766 esac
 767
 768 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 769     true
 770 else
 771     echo "Unrecognized host system name ${host_alias}." 1>&2
 772     exit 1
 773 fi
 774 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 775 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 776 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 777 host=${host_cpu}-${host_vendor}-${host_os}
 778
 779 . ${tmpfile}.hst
 780
 781 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 782     true
 783 else
 784     echo "Unrecognized target system name ${target_alias}." 1>&2
 785     exit 1
 786 fi
 787 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 788 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 789 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 790 target=${target_cpu}-${target_vendor}-${target_os}
 791
 792 . ${tmpfile}.tgt
 793
 794 # Find the source files, if location was not specified.
 795 case "${srcdir}" in
 796 "")
 797         srcdirdefaulted=1
 798         srcdir=.
 799         if [ ! -r ${srctrigger} ] ; then
 800                 srcdir=..
 801         fi
 802         ;;
 803 *) ;;
 804 esac
 805
 806 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 807         case "${srcdirdefaulted}" in
 808         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 809         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 810         esac
 811
 812         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 813         exit 1
 814 fi
 815
 816 # Some systems (e.g., one of the i386-aix systems the gas testers are
 817 # using) don't handle "\$" correctly, so don't use it here.
 818 tooldir='$(exec_prefix)'/${target_alias}
 819
 820 if [ "${host_alias}" != "${target_alias}" ] ; then
 821     if [ "${program_prefixoption}" = "" ] ; then
 822         if [ "${program_suffixoption}" = "" ] ; then
 823             if [ "${program_transform_nameoption}" = "" ] ; then
 824                 program_prefix=${target_alias}- ;
 825             fi
 826         fi
 827     fi
 828 fi
 829
 830 # Merge program_prefix and program_suffix onto program_transform_name.
 831 # (program_suffix used to use $, but it's hard to preserve $ through both
 832 # make and sh.)
 833 if [ "${program_suffix}" != "" ] ; then
 834     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 835 fi
 836
 837 if [ "${program_prefix}" != "" ] ; then
 838     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 839 fi
 840
 841 # If CC and CXX are not set in the environment, and the Makefile
 842 # exists, try to extract them from it.  This is to handle running
 843 # ./config.status by hand.
 844 if [ -z "${CC}" ] && [ -r Makefile ]; then
 845   sed -n -e ':loop
 846 /\\$/ N
 847 s/\\\n//g
 848 t loop
 849 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 850   CC=`tail -1 Makefile.cc`
 851   rm -f Makefile.cc
 852 fi
 853
 854 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
 855   sed -n -e ':loop
 856 /\\$/ N
 857 s/\\\n//g
 858 t loop
 859 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 860   CFLAGS=`tail -1 Makefile.cc`
 861   rm -f Makefile.cc
 862 fi
 863
 864 if [ -z "${CXX}" ] && [ -r Makefile ]; then
 865   sed -n -e ':loop
 866 /\\$/ N
 867 s/\\\n//g
 868 t loop
 869 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 870   CXX=`tail -1 Makefile.cc`
 871   rm -f Makefile.cc
 872 fi
 873
 874 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
 875   sed -n -e ':loop
 876 /\\$/ N
 877 s/\\\n//g
 878 t loop
 879 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 880   CXXFLAGS=`tail -1 Makefile.cc`
 881   rm -f Makefile.cc
 882 fi
 883
 884 # Generate a default definition for YACC.  This is used if the makefile can't
 885 # locate bison or byacc in objdir.
 886
 887 for prog in 'bison -y' byacc yacc
 888 do
 889   set dummy $prog; tmp=$2
 890   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 891   for dir in $PATH; do
 892     test -z "$dir" && dir=.
 893     if test -f $dir/$tmp; then
 894       DEFAULT_YACC="$prog"
 895       break
 896     fi
 897   done
 898   IFS="$save_ifs"
 899
 900   test -n "$DEFAULT_YACC" && break
 901 done
 902
 903 # Generate a default definition for M4.  This is used if the makefile can't
 904 # locate m4 in objdir.
 905
 906 for prog in gm4 gnum4 m4
 907 do
 908   set dummy $prog; tmp=$2
 909   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 910   for dir in $PATH; do
 911     test -z "$dir" && dir=.
 912     if test -f $dir/$tmp; then
 913       DEFAULT_M4="$prog"
 914       break
 915     fi
 916   done
 917   IFS="$save_ifs"
 918
 919   test -n "$DEFAULT_M4" && break
 920 done
 921
 922 # Generate a default definition for LEX.  This is used if the makefile can't
 923 # locate flex in objdir.
 924
 925 for prog in flex lex
 926 do
 927   set dummy $prog; tmp=$2
 928   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 929   for dir in $PATH; do
 930     test -z "$dir" && dir=.
 931     if test -f $dir/$tmp; then
 932       DEFAULT_LEX="$prog"
 933       break
 934     fi
 935   done
 936   IFS="$save_ifs"
 937
 938   test -n "$DEFAULT_LEX" && break
 939 done
 940
 941 if [ "${build}" != "${host}" ]; then
 942   # If we are doing a Canadian Cross, in which the host and build systems
 943   # are not the same, we set reasonable default values for the tools.
 944
 945   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 946   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET GCJ_FOR_TARGET"
 947   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 948   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 949   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 950   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 951   tools="${tools} OBJCOPY OBJDUMP"
 952
 953   for var in ${tools}; do
 954     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
 955       sed -n -e ':loop
 956 /\\$/ N
 957 s/\\\n//g
 958 t loop
 959 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 960         < Makefile > Makefile.v
 961       t=`tail -1 Makefile.v`
 962       if [ -n "${t}" ]; then
 963         eval "${var}=\${t}"
 964       fi
 965       rm -f Makefile.v
 966     fi
 967   done
 968
 969   AR=${AR-${host_alias}-ar}
 970   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 971   AS=${AS-${host_alias}-as}
 972   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 973   BISON=${BISON-bison}
 974   CC=${CC-${host_alias}-gcc}
 975   CFLAGS=${CFLAGS-"-g -O2"}
 976   CXX=${CXX-${host_alias}-c++}
 977   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 978   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 979   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 980   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 981   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
 982   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 983   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 984   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 985   HOST_PREFIX=${build_alias}-
 986   HOST_PREFIX_1=${build_alias}-
 987   LD=${LD-${host_alias}-ld}
 988   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 989   MAKEINFO=${MAKEINFO-makeinfo}
 990   NM=${NM-${host_alias}-nm}
 991   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 992   RANLIB=${RANLIB-${host_alias}-ranlib}
 993   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 994   WINDRES=${WINDRES-${host_alias}-windres}
 995   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 996   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
 997   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
 998
 999   if [ -z "${YACC}" ]; then
1000     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1001     for dir in $PATH; do
1002       test -z "$dir" && dir=.
1003       if test -f $dir/bison; then
1004         YACC="bison -y"
1005         break
1006       fi
1007       if test -f $dir/byacc; then
1008         YACC=byacc
1009         break
1010       fi
1011       if test -f $dir/yacc; then
1012         YACC=yacc
1013         break
1014       fi
1015     done
1016     IFS="$save_ifs"
1017     if [ -z "${YACC}" ]; then
1018       YACC="bison -y"
1019     fi
1020   fi
1021
1022   if [ -z "${LEX}" ]; then
1023     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1024     for dir in $PATH; do
1025       test -z "$dir" && dir=.
1026       if test -f $dir/flex; then
1027         LEX=flex
1028         break
1029       fi
1030       if test -f $dir/lex; then
1031         LEX=lex
1032         break
1033       fi
1034     done
1035     IFS="$save_ifs"
1036     LEX=${LEX-flex}
1037   fi
1038
1039   # Export variables which autoconf might try to set.
1040   export AS
1041   export AR
1042   export CC_FOR_BUILD
1043   export DLLTOOL
1044   export LD
1045   export NM
1046   export RANLIB
1047   export WINDRES
1048   export OBJCOPY
1049   export OBJDUMP
1050 else
1051   # If CC is still not set, try to get gcc.
1052   if [ -z "${CC}" ]; then
1053     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1054     for dir in $PATH; do
1055       test -z "$dir" && dir=.
1056       if test -f $dir/gcc; then
1057         CC="gcc"
1058         echo 'void f(){}' > conftest.c
1059         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1060           CFLAGS=${CFLAGS-"-g -O2"}
1061           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1062         else
1063           CFLAGS=${CFLAGS-"-O2"}
1064           CXXFLAGS=${CXXFLAGS-"-O2"}
1065         fi
1066         rm -f conftest*
1067         break
1068       fi
1069     done
1070     IFS="$save_ifs"
1071     CC=${CC-cc}
1072   else
1073     if test -z "${CFLAGS}"; then
1074       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1075       # is set to a version of gcc.
1076       case "${CC}" in
1077       *gcc)
1078         echo 'void f(){}' > conftest.c
1079         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1080           CFLAGS=${CFLAGS-"-g -O2"}
1081           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1082         else
1083           CFLAGS=${CFLAGS-"-O2"}
1084           CXXFLAGS=${CXXFLAGS-"-O2"}
1085         fi
1086         rm -f conftest*
1087         ;;
1088       esac
1089     fi
1090   fi
1091
1092   CXX=${CXX-"c++"}
1093   CFLAGS=${CFLAGS-"-g"}
1094   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1095 fi
1096
1097 export CC
1098 export CXX
1099 export CFLAGS
1100 export CXXFLAGS
1101
1102 # FIXME: This should be in configure.in, not configure
1103 case "$host" in
1104         *go32*)
1105             enable_gdbtk=no ;;
1106         *msdosdjgpp*)
1107             enable_gdbtk=no ;;
1108 esac
1109
1110 # FIXME: This should be in configure.in, not configure
1111 # Determine whether gdb needs tk/tcl or not.
1112 if [ "$enable_gdbtk" != "no" ]; then
1113         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1114 else
1115         GDB_TK=""
1116 fi
1117
1118 all_build_modules=
1119 if test x"${build_alias}" != x"${host_alias}"
1120 then
1121   all_build_modules='$(ALL_BUILD_MODULES_LIST)'
1122 fi
1123
1124 for subdir in . ${subdirs} ; do
1125
1126     # ${subdir} is relative path from . to the directory we're currently
1127     # configuring.
1128     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1129     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1130
1131     ### figure out what to do with srcdir
1132     case "${srcdir}" in
1133         ".")  # no -srcdir option.  We're building in place.
1134                 makesrcdir=. ;;
1135         /* | [A-Za-z]:[\\/]* ) # absolute path
1136                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1137                 ;;
1138         *) # otherwise relative
1139                 case "${subdir}" in
1140                 .) makesrcdir=${srcdir} ;;
1141                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1142                 esac
1143                 ;;
1144     esac
1145
1146     if [ "${subdir}/" != "./" ] ; then
1147         Makefile=${subdir}/Makefile
1148     fi
1149
1150     if [ ! -d ${subdir} ] ; then
1151         if mkdir ${subdir} ; then
1152                 true
1153         else
1154                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1155                 exit 1
1156         fi
1157     fi
1158
1159     case "${removing}" in
1160     "")
1161         case "${subdir}" in
1162         .) ;;
1163         *) eval echo Building in ${subdir} ${redirect} ;;
1164         esac
1165
1166         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1167         # Set up the list of links to be made.
1168         # ${links} is the list of link names, and ${files} is the list of names to link to.
1169
1170         # Make the links.
1171         configlinks="${links}"
1172         if [ -r ${subdir}/config.status ] ; then
1173                 mv -f ${subdir}/config.status ${subdir}/config.back
1174         fi
1175         while [ -n "${files}" ] ; do
1176                 # set file to car of files, files to cdr of files
1177                 set ${files}; file=$1; shift; files=$*
1178                 set ${links}; link=$1; shift; links=$*
1179
1180                 if [ ! -r ${srcdir}/${file} ] ; then
1181                   if [ ! -r ${file} ] ; then
1182
1183                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1184                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1185                         exit 1
1186                   else
1187                         srcfile=${file}
1188                   fi
1189                 else
1190                         srcfile=${srcdir}/${file}
1191                 fi
1192
1193                 ${remove} -f ${link}
1194                 # Make a symlink if possible, otherwise try a hard link
1195                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1196                         true
1197                 else
1198                         # We need to re-remove the file because Lynx leaves a
1199                         # very strange directory there when it fails an NFS symlink.
1200                         ${remove} -r -f ${link}
1201                         ${hard_link} ${srcfile} ${link}
1202                 fi
1203                 if [ ! -r ${link} ] ; then
1204                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1205                         exit 1
1206                 fi
1207
1208                 echo "Linked \"${link}\" to \"${srcfile}\"."
1209         done
1210
1211         # Create a .gdbinit file which runs the one in srcdir
1212         # and tells GDB to look there for source files.
1213
1214         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1215                 case ${srcdir} in
1216                 .) ;;
1217                 *) cat > ${subdir}/.gdbinit <<EOF
1218 # ${NO_EDIT}
1219 dir ${makesrcdir}
1220 dir .
1221 source ${makesrcdir}/.gdbinit
1222 EOF
1223                         ;;
1224                 esac
1225         fi
1226
1227         # Install a makefile, and make it set VPATH
1228         # if necessary so that the sources are found.
1229         # Also change its value of srcdir.
1230         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1231         # been somewhat optimized and is perhaps a bit twisty.
1232
1233         # code is order so as to try to sed the smallest input files we know.
1234         # so do these separately because I don't trust the order of sed -e expressions.
1235
1236         # the five makefile fragments MUST end up in the resulting Makefile in this order:
1237         # package macros, target, host, site, and package rules.
1238
1239         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1240
1241             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1242             rm -f ${subdir}/${Makefile}.tem
1243             case "${package_makefile_rules_frag}" in
1244               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1245               *)
1246                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1247                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1248                       fi
1249                       if [ -f ${package_makefile_rules_frag} ] ; then
1250                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1251                       else
1252                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1253                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1254                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1255                       fi
1256             esac
1257             # working copy now in ${Makefile}.tem
1258
1259             # Conditionalize for this site.
1260             rm -f ${Makefile}
1261               case "${site}" in
1262               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1263               *)
1264                       site_makefile_frag=${srcdir}/config/ms-${site}
1265
1266                       if [ -f ${site_makefile_frag} ] ; then
1267                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1268                                       > ${Makefile}
1269                       else
1270                               mv ${subdir}/Makefile.tem ${Makefile}
1271                               site_makefile_frag=
1272                       fi
1273                       ;;
1274             esac
1275             # working copy now in ${Makefile}
1276
1277             # Conditionalize the makefile for this host.
1278             rm -f ${subdir}/Makefile.tem
1279             case "${host_makefile_frag}" in
1280               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1281               *)
1282                       if [ ! -f ${host_makefile_frag} ] ; then
1283                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1284                       fi
1285                       if [ -f ${host_makefile_frag} ] ; then
1286                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1287                       else
1288                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1289                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1290                               mv ${Makefile} ${subdir}/Makefile.tem
1291                       fi
1292             esac
1293             # working copy now in ${subdir)/Makefile.tem
1294
1295             # Conditionalize the makefile for this target.
1296             rm -f ${Makefile}
1297             case "${target_makefile_frag}" in
1298               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1299               *)
1300                       if [ ! -f ${target_makefile_frag} ] ; then
1301                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1302                       fi
1303                       if [ -f ${target_makefile_frag} ] ; then
1304                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1305                       else
1306                               mv ${subdir}/Makefile.tem ${Makefile}
1307                               target_makefile_frag=
1308                       fi
1309                       ;;
1310             esac
1311             # working copy now in ${Makefile}
1312
1313             # Emit the default values of this package's macros.
1314             rm -f ${subdir}/Makefile.tem
1315             case "${package_makefile_frag}" in
1316               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1317               *)
1318                       if [ ! -f ${package_makefile_frag} ] ; then
1319                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1320                       fi
1321                       if [ -f ${package_makefile_frag} ] ; then
1322                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1323                       else
1324                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1325                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1326                               mv ${Makefile} ${subdir}/Makefile.tem
1327                       fi
1328             esac
1329             # real copy now in ${subdir}/Makefile.tem
1330
1331             # prepend warning about editing, and a bunch of variables.
1332             rm -f ${Makefile}
1333             cat > ${Makefile} <<EOF
1334 # ${NO_EDIT}
1335 VPATH = ${makesrcdir}
1336 links = ${configlinks}
1337 host_alias = ${host_alias}
1338 host_cpu = ${host_cpu}
1339 host_vendor = ${host_vendor}
1340 host_os = ${host_os}
1341 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1342 target_alias = ${target_alias}
1343 target_cpu = ${target_cpu}
1344 target_vendor = ${target_vendor}
1345 target_os = ${target_os}
1346 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1347 EOF
1348             case "${build}" in
1349               "") ;;
1350               *)  cat >> ${Makefile} << EOF
1351 build_alias = ${build_alias}
1352 build_cpu = ${build_cpu}
1353 build_vendor = ${build_vendor}
1354 build_os = ${build_os}
1355 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1356 EOF
1357             esac
1358
1359             case "${package_makefile_frag}" in
1360               "") ;;
1361               /* | [A-Za-z]:[\\/]* ) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1362               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1363             esac
1364
1365             case "${target_makefile_frag}" in
1366               "") ;;
1367               /* | [A-Za-z]:[\\/]* ) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1368               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1369             esac
1370
1371             case "${host_makefile_frag}" in
1372               "") ;;
1373               /* | [A-Za-z]:[\\/]* ) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1374               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1375             esac
1376
1377             if [ "${site_makefile_frag}" != "" ] ; then
1378                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1379             fi
1380
1381             echo enable_shared = ${enable_shared} >> ${Makefile}
1382             echo enable_threads = ${enable_threads} >> ${Makefile}
1383             # record if we want to rumtime library stuff installed in libsubdir.
1384             if test -z "${enable_version_specific_runtime_libs}"; then
1385                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1386             else
1387                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1388             fi
1389
1390             # Emit a macro which describes the file containing gcc's
1391             # version number.
1392             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1393             # And emit a macro defining gcc's version number.
1394             echo gcc_version = ${gcc_version} >> ${Makefile}
1395
1396             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1397             # remove any form feeds.
1398             if [ -z "${subdirs}" ]; then
1399                 rm -f ${subdir}/Makefile.tm2
1400                 sedtemp=sed.$$
1401                 cat >$sedtemp <<EOF
1402 s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:
1403 s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:
1404 EOF
1405                 sed -f $sedtemp \
1406                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1407                 rm -f $sedtemp
1408                 rm -f ${subdir}/Makefile.tem
1409                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1410             fi
1411             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1412                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1413                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1414                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1415                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1416                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1417                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1418                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1419                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1420                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1421                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1422                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1423                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1424                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1425                     -e "s|^ALL_BUILD_MODULES =.*|ALL_BUILD_MODULES =${all_build_modules}|" \
1426                     -e "/^CC[   ]*=/{
1427                         :loop1
1428                         /\\\\$/ N
1429                         s/\\\\\\n//g
1430                         t loop1
1431                         s%^CC[  ]*=.*$%CC = ${CC}%
1432                         }" \
1433                     -e "/^CXX[  ]*=/{
1434                         :loop2
1435                         /\\\\$/ N
1436                         s/\\\\\\n//g
1437                         t loop2
1438                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1439                         }" \
1440                     -e "/^CFLAGS[       ]*=/{
1441                         :loop3
1442                         /\\\\$/ N
1443                         s/\\\\\\n//g
1444                         t loop3
1445                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1446                         }" \
1447                     -e "/^CXXFLAGS[     ]*=/{
1448                         :loop4
1449                         /\\\\$/ N
1450                         s/\\\\\\n//g
1451                         t loop4
1452                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1453                         }" \
1454                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1455                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1456                     -e "s/\f//" \
1457                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1458                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1459                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1460                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1461                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1462                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1463                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1464                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1465                     ${subdir}/Makefile.tem >> ${Makefile}
1466
1467             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1468             mv -f ${Makefile}.tem ${Makefile}
1469
1470             # If this is a Canadian Cross, preset the values of many more
1471             # tools.
1472             if [ "${build}" != "${host}" ]; then
1473                 for var in ${tools}; do
1474                     eval val=\$${var}
1475                     sed -e "/^${var}[   ]*=/{
1476                            :loop1
1477                            /\\\\$/ N
1478                            /\\\\$/ b loop1
1479                            s/\\\\\\n//g
1480                            s%^${var}[   ]*=.*$%${var} = ${val}%
1481                            }" ${Makefile} > ${Makefile}.tem
1482                     mv -f ${Makefile}.tem ${Makefile}
1483                 done
1484             fi
1485
1486             # final copy now in ${Makefile}
1487
1488         else
1489            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1490         fi
1491
1492         rm -f ${subdir}/Makefile.tem
1493
1494         case "${host_makefile_frag}" in
1495         "") using= ;;
1496         *) using="and \"${host_makefile_frag}\"" ;;
1497         esac
1498
1499         case "${target_makefile_frag}" in
1500         "") ;;
1501         *) using="${using} and \"${target_makefile_frag}\"" ;;
1502         esac
1503
1504         case "${site_makefile_frag}" in
1505         "") ;;
1506         *) using="${using} and \"${site_makefile_frag}\"" ;;
1507         esac
1508
1509         newusing=`echo "${using}" | sed 's/and/using/'`
1510         using=${newusing}
1511         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1512
1513         . ${tmpfile}.pos
1514
1515         # describe the chosen configuration in config.status.
1516         # Make that file a shellscript which will reestablish
1517         # the same configuration.  Used in Makefiles to rebuild
1518         # Makefiles.
1519
1520         case "${norecursion}" in
1521         "") arguments="${arguments} --norecursion" ;;
1522         *) ;;
1523         esac
1524
1525         if [ ${subdir} = . ] ; then
1526             echo "#!/bin/sh
1527 # ${NO_EDIT}
1528 # This directory was configured as follows:
1529 ${progname}" ${arguments}  "
1530 # ${using}" > ${subdir}/config.new
1531         else
1532             echo "#!/bin/sh
1533 # ${NO_EDIT}
1534 # This directory was configured as follows:
1535 cd ${invsubdir}
1536 ${progname}" ${arguments}  "
1537 # ${using}" > ${subdir}/config.new
1538         fi
1539         chmod a+x ${subdir}/config.new
1540         if [ -r ${subdir}/config.back ] ; then
1541                 mv -f ${subdir}/config.back ${subdir}/config.status
1542         fi
1543         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1544         ;;
1545
1546     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1547     esac
1548 done
1549
1550 # If there are subdirectories, then recur.
1551 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
1552         for configdir in ${configdirs} ${extraconfigdirs} ; do
1553
1554                 # If configdir contains ',' it is
1555                 # srcdir,builddir,target_alias
1556                 # These come from extraconfigdirs.
1557                 case ${configdir} in
1558                 *,*)
1559                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1560                     ;;
1561                 *)
1562                     cfg_dir=${configdir}
1563                     bld_dir=${configdir}
1564                     tgt_alias=${target_alias}
1565                     ;;
1566                 esac
1567
1568                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1569                         eval echo Configuring ${configdir}... ${redirect}
1570                         case "${srcdir}" in
1571                         ".") ;;
1572                         *)
1573                                 if [ ! -d ./${bld_dir} ] ; then
1574                                         if mkdir ./${bld_dir} ; then
1575                                                 true
1576                                         else
1577                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1578                                                 exit 1
1579                                         fi
1580                                 fi
1581                                 ;;
1582                         esac
1583
1584                         POPDIR=${PWD=`pwd`}
1585                         cd ${bld_dir}
1586
1587 ### figure out what to do with srcdir
1588                         case "${srcdir}" in
1589                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1590                         /* | [A-Za-z]:[\\/]* ) # absolute path
1591                                 newsrcdir=${srcdir}/${cfg_dir}
1592                                 srcdiroption="--srcdir=${newsrcdir}"
1593                                 ;;
1594                         *) # otherwise relative
1595                                 newsrcdir=../${srcdir}/${cfg_dir}
1596                                 srcdiroption="--srcdir=${newsrcdir}"
1597                                 ;;
1598                         esac
1599
1600                         # Handle --cache-file=../XXX
1601                         case "${cache_file}" in
1602                         "") # empty
1603                                 ;;
1604                         /* | [A-Za-z]:[\\/]* ) # absolute path
1605                                 cache_file_option="--cache-file=${cache_file}"
1606                                 ;;
1607                         *) # relative path
1608                                 cache_file_option="--cache-file=../${cache_file}"
1609                                 ;;
1610                         esac
1611
1612 ### check for guested configure, otherwise fix possibly relative progname
1613                         if [ -f ${newsrcdir}/configure ] ; then
1614                                 recprog=${newsrcdir}/configure
1615                         elif [ -f ${newsrcdir}/configure.in ] ; then
1616                                 case "${progname}" in
1617                                 /* | [A-Za-z]:[\\/]* )  recprog=${progname} ;;
1618                                 *)                      recprog=../${progname} ;;
1619                                 esac
1620                         else
1621                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1622                                 recprog=
1623                         fi
1624
1625 ### The recursion line is here.
1626                         if [ ! -z "${recprog}" ] ; then
1627                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1628                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1629                                         ${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
1630                                         true
1631                                 else
1632                                         echo Configure in `pwd` failed, exiting. 1>&2
1633                                         exit 1
1634                                 fi
1635                         fi
1636
1637                         cd ${POPDIR}
1638                 fi
1639         done
1640 fi
1641
1642 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1643 # and reset the trap handler.
1644 rm -rf ${tmpdir}
1645 trap 0
1646
1647 exit 0
1648
1649 #
1650 # Local Variables:
1651 # fill-column: 131
1652 # End:
1653 #
1654
1655 # end of configure