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 exec_prefix=
  57 exec_prefixoption=
  58 fatal=
  59 floating_point=default
  60 gas=default
  61 gcc_version=
  62 gcc_version_trigger=
  63 host_alias=NOHOST
  64 host_makefile_frag=
  65 moveifchange=
  66 norecursion=
  67 other_options=
  68 package_makefile_frag=
  69 package_makefile_rules_frag=
  70 prefix=/usr/local
  71 progname=
  72 program_prefix=
  73 program_prefixoption=
  74 program_suffix=
  75 program_suffixoption=
  76 program_transform_name=
  77 program_transform_nameoption=
  78 redirect=
  79 removing=
  80 site=
  81 site_makefile_frag=
  82 site_option=
  83 srcdir=
  84 srctrigger=
  85 subdirs=
  86 target_alias=NOTARGET
  87 target_makefile_frag=
  88 undefs=NOUNDEFS
  89 version="$Revision: 1.26 $"
  90 x11=default
  91 bindir='${exec_prefix}/bin'
  92 sbindir='${exec_prefix}/sbin'
  93 libexecdir='${exec_prefix}/libexec'
  94 datadir='${prefix}/share'
  95 sysconfdir='${prefix}/etc'
  96 sharedstatedir='${prefix}/com'
  97 localstatedir='${prefix}/var'
  98 libdir='${exec_prefix}/lib'
  99 includedir='${prefix}/include'
 100 oldincludedir='/usr/include'
 101 infodir='${prefix}/info'
 102 mandir='${prefix}/man'
 103
 104 ### we might need to use some other shell than /bin/sh for running subshells
 105
 106 ### If we are on Windows, search for the shell.  This will permit people
 107 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
 108 ### without also having to set CONFIG_SHELL.  This code will work when
 109 ### using bash, which sets OSTYPE.
 110 case "${OSTYPE}" in
 111 *win32*)
 112   if [ x${CONFIG_SHELL} = x ]; then
 113     if [ ! -f /bin/sh ]; then
 114       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
 115         CONFIG_SHELL=${SHELL}
 116         export CONFIG_SHELL
 117       else
 118         for prog in sh sh.exe bash bash.exe; do
 119           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 120           for dir in $PATH; do
 121             test -z "$dir" && dir=.
 122             if test -f $dir/$prog; then
 123               CONFIG_SHELL=$dir/$prog
 124               export CONFIG_SHELL
 125               break
 126             fi
 127           done
 128           IFS="$save_ifs"
 129           test -n "${CONFIG_SHELL}" && break
 130         done
 131       fi
 132     fi
 133   fi
 134   ;;
 135 esac
 136
 137 config_shell=${CONFIG_SHELL-/bin/sh}
 138
 139 NO_EDIT="This file was generated automatically by configure.  Do not edit."
 140
 141 ## this is a little touchy and won't always work, but...
 142 ##
 143 ## if the argv[0] starts with a slash then it is an absolute name that can (and
 144 ## must) be used as is.
 145 ##
 146 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 147 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 148 ##
 149
 150 progname=$0
 151 # if PWD already has a value, it is probably wrong.
 152 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 153
 154 case "${progname}" in
 155 /*) ;;
 156 */*) ;;
 157 *)
 158         PATH=$PATH:${PWD=`pwd`} ; export PATH
 159         ;;
 160 esac
 161
 162 # Loop over all args
 163
 164 while :
 165 do
 166
 167 # Break out if there are no more args
 168         case $# in
 169         0)
 170                 break
 171                 ;;
 172         esac
 173
 174 # Get the first arg, and shuffle
 175         option=$1
 176         shift
 177
 178 # Make all options have two hyphens
 179         orig_option=$option     # Save original for error messages
 180         case $option in
 181         --*) ;;
 182         -*) option=-$option ;;
 183         esac
 184
 185 # Split out the argument for options that take them
 186         case $option in
 187         --*=*)
 188                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
 189                 arguments="$arguments $option"
 190                 ;;
 191 # These options have mandatory values.  Since we didn't find an = sign,
 192 # the value must be in the next argument
 193         --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*)
 194                 optarg=$1
 195                 shift
 196                 arguments="$arguments $option=$optarg"
 197                 ;;
 198         --v)
 199                 arguments="$arguments -v"
 200                 ;;
 201         --*)
 202                 arguments="$arguments $option"
 203                 ;;
 204         esac
 205
 206 # Now, process the options
 207         case $option in
 208
 209         --bi*)
 210                 bindir=$optarg
 211                 diroptions="$diroptions --bindir=$optarg"
 212                 ;;
 213         --build* | --bu*)
 214                 case "$build_alias" in
 215                 "") build_alias=$optarg ;;
 216                 *) echo '***' Can only configure for one build machine at a time.  1>&2
 217                    fatal=yes
 218                    ;;
 219                 esac
 220                 ;;
 221         --cache*)
 222                 cache_file=$optarg
 223                 ;;
 224         --da*)
 225                 datadir=$optarg
 226                 diroptions="$diroptions --datadir=$optarg"
 227                 ;;
 228         --disable-*)
 229                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 230                 eval $enableopt=no
 231                 disableoptions="$disableoptions $option"
 232                 ;;
 233         --enable-*)
 234                 case "$option" in
 235                 *=*)    ;;
 236                 *)      optarg=yes ;;
 237                 esac
 238
 239                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 240                 eval "$enableopt=\$optarg"
 241                 enableoptions="$enableoptions '$option'"
 242                 ;;
 243         --exec-prefix* | --ex*)
 244                 exec_prefix=$optarg
 245                 exec_prefixoption="--exec-prefix=$optarg"
 246                 ;;
 247         --gas | --g*)
 248                 gas=yes
 249                 ;;
 250         --help | --he*)
 251                 fatal=yes
 252                 ;;
 253         --host* | --ho*)
 254                 case $host_alias in
 255                 NOHOST) host_alias=$optarg ;;
 256                 *) echo '***' Can only configure for one host at a time.  1>&2
 257                    fatal=yes
 258                    ;;
 259                 esac
 260                 ;;
 261         --inc*)
 262                 includedir=$optarg
 263                 diroptions="$diroptions --includedir=$optarg"
 264                 ;;
 265         --inf*)
 266                 infodir=$optarg
 267                 diroptions="$diroptions --infodir=$optarg"
 268                 ;;
 269         --libd*)
 270                 libdir=$optarg
 271                 diroptions="$diroptions --libdir=$optarg"
 272                 ;;
 273         --libe*)
 274                 libexecdir=$optarg
 275                 diroptions="$diroptions --libexecdir=$optarg"
 276                 ;;
 277         --lo*)
 278                 localstatedir=$optarg
 279                 diroptions="$diroptions --localstatedir=$optarg"
 280                 ;;
 281         --ma*)
 282                 mandir=$optarg
 283                 diroptions="$diroptions --mandir=$optarg"
 284                 ;;
 285         --nfp | --nf*)
 286                 floating_point=no
 287                 floating_pointoption="--nfp"
 288                 ;;
 289         --norecursion | --no*)
 290                 norecursion=yes
 291                 ;;
 292         --ol*)
 293                 oldincludedir=$optarg
 294                 diroptions="$diroptions --oldincludedir=$optarg"
 295                 ;;
 296         --prefix* | --pre*)
 297                 prefix=$optarg
 298                 prefixoption="--prefix=$optarg"
 299                 ;;
 300         --program-prefix* | --program-p*)
 301                 program_prefix=$optarg
 302                 program_prefixoption="--program-prefix=$optarg"
 303                 ;;
 304         --program-suffix* | --program-s*)
 305                 program_suffix=$optarg
 306                 program_suffixoption="--program-suffix=$optarg"
 307                 ;;
 308         --program-transform-name* | --program-t*)
 309                 # Double any backslashes or dollar signs in the argument
 310                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 311                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
 312                 ;;
 313         --rm)
 314                 removing=--rm
 315                 ;;
 316         --sb*)
 317                 sbindir=$optarg
 318                 diroptions="$diroptions --sbindir=$optarg"
 319                 ;;
 320         --sh*)
 321                 sharedstatedir=$optarg
 322                 diroptions="$diroptions --sharedstatedir=$optarg"
 323                 ;;
 324         --silent | --sil* | --quiet | --q*)
 325                 redirect=">/dev/null"
 326                 verbose=--silent
 327                 ;;
 328         --site* | --sit*)
 329                 site=$optarg
 330                 site_option="--site=$optarg"
 331                 ;;
 332         --srcdir*/ | --sr*/)
 333                 # Remove trailing slashes.  Otherwise, when the file name gets
 334                 # bolted into an object file as debug info, it has two slashes
 335                 # in it.  Ordinarily this is ok, but emacs takes double slash
 336                 # to mean "forget the first part".
 337                 srcdir=`echo $optarg | sed -e 's:/$::'`
 338                 ;;
 339         --srcdir* | --sr*)
 340                 srcdir=$optarg
 341                 ;;
 342         --sy*)
 343                 sysconfdir=$optarg
 344                 diroptions="$diroptions --sysconfdir=$optarg"
 345                 ;;
 346         --target* | --ta*)
 347                 case $target_alias in
 348                 NOTARGET) target_alias=$optarg ;;
 349                 *) echo '***' Can only configure for one target at a time.  1>&2
 350                    fatal=yes
 351                    ;;
 352                 esac
 353                 ;;
 354         --tmpdir* | --tm*)
 355                 TMPDIR=$optarg
 356                 tmpdiroption="--tmpdir=$optarg"
 357                 ;;
 358         --verbose | --v | --verb*)
 359                 redirect=
 360                 verbose=--verbose
 361                 ;;
 362         --version | --V | --vers*)
 363                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 364                 exit 0
 365                 ;;
 366         --with-*)
 367                 case "$option" in
 368                 *=*)    ;;
 369                 *)      optarg=yes ;;
 370                 esac
 371
 372                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 373                 eval $withopt="\$optarg"
 374                 withoptions="$withoptions $option"
 375                 ;;
 376         --without-*)
 377                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 378                 eval $withopt=no
 379                 withoutoptions="$withoutoptions $option"
 380                 ;;
 381         --x)    with_x=yes
 382                 withoptions="$withoptions --with-x"
 383                 ;;
 384         --x-i* | --x-l*) other_options="$other_options $orig_option"
 385                 ;;
 386         --*)
 387                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
 388                 exit 1
 389                 ;;
 390         *)
 391                 case $undefs in
 392                 NOUNDEFS) undefs=$option ;;
 393                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
 394                    fatal=yes
 395                    ;;
 396                 esac
 397                 ;;
 398         esac
 399 done
 400
 401 # process host and target
 402
 403 # Do some error checking and defaulting for the host and target type.
 404 # The inputs are:
 405 #    configure --host=HOST --target=TARGET UNDEFS
 406 #
 407 # The rules are:
 408 # 1. You aren't allowed to specify --host, --target, and undefs at the
 409 #    same time.
 410 # 2. Host defaults to undefs.
 411 # 3. If undefs is not specified, then host defaults to the current host,
 412 #    as determined by config.guess.
 413 # 4. Target defaults to undefs.
 414 # 5. If undefs is not specified, then target defaults to host.
 415
 416 case "${fatal}" in
 417 "")
 418         # Make sure that host, target & undefs aren't all specified at the
 419         # same time.
 420         case $host_alias---$target_alias---$undefs in
 421         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
 422                 ;;
 423         *) echo '***' Can only configure for one host and one target at a time.  1>&2
 424            fatal=yes
 425            break 2
 426                 ;;
 427         esac
 428
 429         # Now, do defaulting for host.
 430         case $host_alias in
 431         NOHOST)
 432                 case $undefs in
 433                 NOUNDEFS)
 434                         # Neither --host option nor undefs were present.
 435                         # Call config.guess.
 436                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 437                         if host_alias=`${config_shell} ${guesssys}`
 438                         then
 439                                 # If the string we are going to use for
 440                                 # the target is a prefix of the string
 441                                 # we just guessed for the host, then
 442                                 # assume we are running native, and force
 443                                 # the same string for both target and host.
 444                                 case $target_alias in
 445                                 NOTARGET) ;;
 446                                 *)
 447                                         if expr $host_alias : $target_alias >/dev/null
 448                                         then
 449                                                 host_alias=$target_alias
 450                                         fi
 451                                         ;;
 452                                 esac
 453                                 echo "Configuring for a ${host_alias} host." 1>&2
 454                                 arguments="--host=$host_alias $arguments"
 455                         else
 456                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 457                                 fatal=yes
 458                         fi
 459                         ;;
 460                 *)
 461                         host_alias=$undefs
 462                         arguments="--host=$host_alias $arguments"
 463                         undefs=NOUNDEFS
 464                         ;;
 465                 esac
 466         esac
 467
 468         # Do defaulting for target.  If --target option isn't present, default
 469         # to undefs.  If undefs isn't present, default to host.
 470         case $target_alias in
 471         NOTARGET)
 472                 case $undefs in
 473                 NOUNDEFS)
 474                         target_alias=$host_alias
 475                         ;;
 476                 *)
 477                         target_alias=$undefs
 478                         arguments="--target=$target_alias $arguments"
 479                         ;;
 480                 esac
 481         esac
 482         ;;
 483 *) ;;
 484 esac
 485
 486 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 487         exec 1>&2
 488         echo Usage: configure [OPTIONS] [HOST]
 489         echo
 490         echo Options: [defaults in brackets]
 491         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
 492         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
 493         echo ' --help                    print this message [normal config]'
 494         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
 495         echo ' --host=HOST               configure for HOST [determined via config.guess]'
 496         echo ' --norecursion             configure this directory only [recurse]'
 497         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
 498         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
 499         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
 500         echo ' --site=SITE               configure with site-specific makefile for SITE'
 501         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
 502         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
 503         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
 504         echo ' --nfp                     configure for software floating point [hard float]'
 505         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
 506         echo ' --without-FOO             package FOO is NOT available'
 507         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
 508         echo ' --disable-FOO             do not include feature FOO'
 509         echo
 510         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
 511         echo
 512         if [ -r config.status ] ; then
 513                 cat config.status
 514         fi
 515
 516         exit 1
 517 fi
 518
 519 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 520 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 521 ## the sed command below emulates the dirname command
 522 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
 523
 524
 525 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 526 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 527         true
 528 else
 529         echo '***' cannot find config.sub.  1>&2
 530         exit 1
 531 fi
 532
 533 touch config.junk
 534 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 535         true
 536 else
 537         echo '***' cannot find move-if-change.  1>&2
 538         exit 1
 539 fi
 540 rm -f config.junk config.trash
 541
 542 case "${srcdir}" in
 543 "")
 544         if [ -r configure.in ] ; then
 545                 srcdir=.
 546         else
 547                 if [ -r ${progname}.in ] ; then
 548                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 549                 else
 550                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 551                         exit 1
 552                 fi
 553         fi
 554         ;;
 555 *)
 556         # Set srcdir to "." if that's what it is.
 557         # This is important for multilib support.
 558         if [ ! -d ${srcdir} ] ; then
 559                 echo "Invalid source directory ${srcdir}" >&2
 560                 exit 1
 561         fi
 562         pwd=`pwd`
 563         srcpwd=`cd ${srcdir} ; pwd`
 564         if [ "${pwd}" = "${srcpwd}" ] ; then
 565                 srcdir=.
 566         fi
 567 esac
 568
 569 ### warn about some conflicting configurations.
 570
 571 case "${srcdir}" in
 572 ".") ;;
 573 *)
 574         if [ -f ${srcdir}/config.status ] ; then
 575                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 576                 exit 1
 577         fi
 578 esac
 579
 580 # default exec_prefix
 581 case "${exec_prefixoption}" in
 582 "") exec_prefix="\$(prefix)" ;;
 583 *) ;;
 584 esac
 585
 586 # Define the trigger file to make sure configure will re-run whenever
 587 # the gcc version number changes.
 588 if [ "${with_gcc_version_trigger+set}" = set ]; then
 589     gcc_version_trigger="$with_gcc_version_trigger"
 590     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 591 else
 592     # If gcc's sources are available, define the trigger file.
 593     if [ -f ${topsrcdir}/gcc/version.c ] ; then
 594         gcc_version_trigger=${topsrcdir}/gcc/version.c
 595         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 596         case "$arguments" in
 597           *--with-gcc-version-trigger=$gcc_version_trigger* )
 598             ;;
 599           * )
 600             # Make sure configure.in knows about this.
 601             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
 602             ;;
 603         esac
 604         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
 605     fi
 606 fi
 607
 608 ### break up ${srcdir}/configure.in.
 609 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 610 "")
 611         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 612         # Check for a directory that's been converted to use autoconf since
 613         # it was last configured.
 614         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 615           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 616           if [ -r ${srcdir}/configure ] ; then
 617             echo '***' Running the local configure script. 1>&2
 618             case "${cache_file}" in
 619             "") cache_file_option= ;;
 620             *)  cache_file_option="--cache-file=${cache_file}" ;;
 621             esac
 622             srcdiroption="--srcdir=${srcdir}"
 623             case "${build_alias}" in
 624             "") buildopt= ;;
 625             *)  buildopt="--build=${build_alias}" ;;
 626             esac
 627             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 628                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 629                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 630                 ${srcdiroption} ${diroptions} \
 631                 ${program_prefixoption} ${program_suffixoption} \
 632                 ${program_transform_nameoption} ${site_option} \
 633                 ${withoptions} ${withoutoptions} \
 634                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 635                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 636           else
 637             echo '***' There is no configure script present though. 1>&2
 638           fi
 639         fi
 640         exit 1
 641         ;;
 642 *) ;;
 643 esac
 644
 645 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 646 "")
 647         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 648         exit 1
 649         ;;
 650 *) ;;
 651 esac
 652
 653 case "${TMPDIR}" in
 654 "") TMPDIR=/tmp ; export TMPDIR ;;
 655 *) ;;
 656 esac
 657
 658 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
 659 tmpfile=${TMPDIR}/cNf$$
 660 # Note that under many versions of sh a trap handler for 0 will *override* any
 661 # exit status you explicitly specify!  At this point, the only non-error exit
 662 # is at the end of the script; these actions are duplicated there, minus
 663 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 664 # trap handler, or you'll lose.
 665 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 666
 667 # split ${srcdir}/configure.in into common, per-host, per-target,
 668 # and post-target parts.  Post-target is optional.
 669 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 670 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 671 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 672   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 673   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 674 else
 675   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 676   echo >${tmpfile}.pos
 677 fi
 678
 679 ### do common part of configure.in
 680
 681 # If the language specific compiler does not exist, but the "gcc" directory does,
 682 # we will skip this directory; in this case the sub-directory's common part
 683 # of configure.in will create a small shell script "skip-this-dir" containing
 684 # commands to completely clean up any temporary or created files.
 685
 686 . ${tmpfile}.com
 687
 688 if test -f skip-this-dir; then
 689         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
 690         # and reset the trap handler.
 691         trap 0
 692         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 693         # Execute the final clean-up actions
 694         ${config_shell} skip-this-dir
 695         # and stop configuring this directory.
 696         exit 0
 697 fi
 698
 699 # some sanity checks on configure.in
 700 case "${srctrigger}" in
 701 "")
 702         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 703         exit 1
 704         ;;
 705 *) ;;
 706 esac
 707
 708 case "${build_alias}" in
 709 "")
 710         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 711             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 712             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 713             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 714             build=${build_cpu}-${build_vendor}-${build_os}
 715             build_alias=${host_alias}
 716         fi
 717         ;;
 718 *)
 719         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 720             buildopt="--build=${build_alias}"
 721             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 722             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 723             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 724             build=${build_cpu}-${build_vendor}-${build_os}
 725         else
 726             echo "Unrecognized build system name ${build_alias}." 1>&2
 727             exit 1
 728         fi
 729         ;;
 730 esac
 731
 732 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 733     true
 734 else
 735     echo "Unrecognized host system name ${host_alias}." 1>&2
 736     exit 1
 737 fi
 738 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 739 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 740 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 741 host=${host_cpu}-${host_vendor}-${host_os}
 742
 743 . ${tmpfile}.hst
 744
 745 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 746     true
 747 else
 748     echo "Unrecognized target system name ${target_alias}." 1>&2
 749     exit 1
 750 fi
 751 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 752 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 753 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 754 target=${target_cpu}-${target_vendor}-${target_os}
 755
 756 . ${tmpfile}.tgt
 757
 758 # Find the source files, if location was not specified.
 759 case "${srcdir}" in
 760 "")
 761         srcdirdefaulted=1
 762         srcdir=.
 763         if [ ! -r ${srctrigger} ] ; then
 764                 srcdir=..
 765         fi
 766         ;;
 767 *) ;;
 768 esac
 769
 770 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 771         case "${srcdirdefaulted}" in
 772         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 773         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 774         esac
 775
 776         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 777         exit 1
 778 fi
 779
 780 # Some systems (e.g., one of the i386-aix systems the gas testers are
 781 # using) don't handle "\$" correctly, so don't use it here.
 782 tooldir='$(exec_prefix)'/${target_alias}
 783
 784 if [ "${host_alias}" != "${target_alias}" ] ; then
 785     if [ "${program_prefixoption}" = "" ] ; then
 786         if [ "${program_suffixoption}" = "" ] ; then
 787             if [ "${program_transform_nameoption}" = "" ] ; then
 788                 program_prefix=${target_alias}- ;
 789             fi
 790         fi
 791     fi
 792 fi
 793
 794 # Merge program_prefix and program_suffix onto program_transform_name.
 795 # (program_suffix used to use $, but it's hard to preserve $ through both
 796 # make and sh.)
 797 if [ "${program_suffix}" != "" ] ; then
 798     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 799 fi
 800
 801 if [ "${program_prefix}" != "" ] ; then
 802     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 803 fi
 804
 805 # If CC and CXX are not set in the environment, and the Makefile
 806 # exists, try to extract them from it.  This is to handle running
 807 # ./config.status by hand.
 808 if [ -z "${CC}" ] && [ -r Makefile ]; then
 809   sed -n -e ':loop
 810 /\\$/ N
 811 s/\\\n//g
 812 t loop
 813 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 814   CC=`tail -1 Makefile.cc`
 815   rm -f Makefile.cc
 816 fi
 817
 818 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
 819   sed -n -e ':loop
 820 /\\$/ N
 821 s/\\\n//g
 822 t loop
 823 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 824   CFLAGS=`tail -1 Makefile.cc`
 825   rm -f Makefile.cc
 826 fi
 827
 828 if [ -z "${CXX}" ] && [ -r Makefile ]; then
 829   sed -n -e ':loop
 830 /\\$/ N
 831 s/\\\n//g
 832 t loop
 833 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 834   CXX=`tail -1 Makefile.cc`
 835   rm -f Makefile.cc
 836 fi
 837
 838 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
 839   sed -n -e ':loop
 840 /\\$/ N
 841 s/\\\n//g
 842 t loop
 843 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 844   CXXFLAGS=`tail -1 Makefile.cc`
 845   rm -f Makefile.cc
 846 fi
 847
 848 # Generate a default definition for YACC.  This is used if the makefile can't
 849 # locate bison or byacc in objdir.
 850
 851 for prog in 'bison -y' byacc yacc
 852 do
 853   set dummy $prog; tmp=$2
 854   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 855   for dir in $PATH; do
 856     test -z "$dir" && dir=.
 857     if test -f $dir/$tmp; then
 858       DEFAULT_YACC="$prog"
 859       break
 860     fi
 861   done
 862   IFS="$save_ifs"
 863
 864   test -n "$DEFAULT_YACC" && break
 865 done
 866
 867 # Generate a default definition for M4.  This is used if the makefile can't
 868 # locate m4 in objdir.
 869
 870 for prog in gm4 gnum4 m4
 871 do
 872   set dummy $prog; tmp=$2
 873   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 874   for dir in $PATH; do
 875     test -z "$dir" && dir=.
 876     if test -f $dir/$tmp; then
 877       DEFAULT_M4="$prog"
 878       break
 879     fi
 880   done
 881   IFS="$save_ifs"
 882
 883   test -n "$DEFAULT_M4" && break
 884 done
 885
 886 # Generate a default definition for LEX.  This is used if the makefile can't
 887 # locate flex in objdir.
 888
 889 for prog in flex lex
 890 do
 891   set dummy $prog; tmp=$2
 892   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 893   for dir in $PATH; do
 894     test -z "$dir" && dir=.
 895     if test -f $dir/$tmp; then
 896       DEFAULT_LEX="$prog"
 897       break
 898     fi
 899   done
 900   IFS="$save_ifs"
 901
 902   test -n "$DEFAULT_LEX" && break
 903 done
 904
 905 if [ "${build}" != "${host}" ]; then
 906   # If we are doing a Canadian Cross, in which the host and build systems
 907   # are not the same, we set reasonable default values for the tools.
 908
 909   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 910   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 911   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 912   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 913   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 914   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 915   tools="${tools} OBJCOPY OBJDUMP"
 916
 917   for var in ${tools}; do
 918     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
 919       sed -n -e ':loop
 920 /\\$/ N
 921 s/\\\n//g
 922 t loop
 923 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 924         < Makefile > Makefile.v
 925       t=`tail -1 Makefile.v`
 926       if [ -n "${t}" ]; then
 927         eval "${var}=\${t}"
 928       fi
 929       rm -f Makefile.v
 930     fi
 931   done
 932
 933   AR=${AR-${host_alias}-ar}
 934   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 935   AS=${AS-${host_alias}-as}
 936   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 937   BISON=${BISON-bison}
 938   CC=${CC-${host_alias}-gcc}
 939   CFLAGS=${CFLAGS-"-g -O2"}
 940   CXX=${CXX-${host_alias}-c++}
 941   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 942   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 943   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 944   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 945   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 946   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 947   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 948   HOST_PREFIX=${build_alias}-
 949   HOST_PREFIX_1=${build_alias}-
 950   LD=${LD-${host_alias}-ld}
 951   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 952   MAKEINFO=${MAKEINFO-makeinfo}
 953   NM=${NM-${host_alias}-nm}
 954   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 955   RANLIB=${RANLIB-${host_alias}-ranlib}
 956   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 957   WINDRES=${WINDRES-${host_alias}-windres}
 958   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 959   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
 960   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
 961
 962   if [ -z "${YACC}" ]; then
 963     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 964     for dir in $PATH; do
 965       test -z "$dir" && dir=.
 966       if test -f $dir/bison; then
 967         YACC="bison -y"
 968         break
 969       fi
 970       if test -f $dir/byacc; then
 971         YACC=byacc
 972         break
 973       fi
 974       if test -f $dir/yacc; then
 975         YACC=yacc
 976         break
 977       fi
 978     done
 979     IFS="$save_ifs"
 980     if [ -z "${YACC}" ]; then
 981       YACC="bison -y"
 982     fi
 983   fi
 984
 985   if [ -z "${LEX}" ]; then
 986     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 987     for dir in $PATH; do
 988       test -z "$dir" && dir=.
 989       if test -f $dir/flex; then
 990         LEX=flex
 991         break
 992       fi
 993       if test -f $dir/lex; then
 994         LEX=lex
 995         break
 996       fi
 997     done
 998     IFS="$save_ifs"
 999     LEX=${LEX-flex}
1000   fi
1001
1002   # Export variables which autoconf might try to set.
1003   export AS
1004   export AR
1005   export CC_FOR_BUILD
1006   export DLLTOOL
1007   export LD
1008   export NM
1009   export RANLIB
1010   export WINDRES
1011   export OBJCOPY
1012   export OBJDUMP
1013 else
1014   # If CC is still not set, try to get gcc.
1015   if [ -z "${CC}" ]; then
1016     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1017     for dir in $PATH; do
1018       test -z "$dir" && dir=.
1019       if test -f $dir/gcc; then
1020         CC="gcc"
1021         echo 'void f(){}' > conftest.c
1022         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1023           CFLAGS=${CFLAGS-"-g -O2"}
1024           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1025         else
1026           CFLAGS=${CFLAGS-"-O2"}
1027           CXXFLAGS=${CXXFLAGS-"-O2"}
1028         fi
1029         rm -f conftest*
1030         break
1031       fi
1032     done
1033     IFS="$save_ifs"
1034     CC=${CC-cc}
1035   else
1036     if test -z "${CFLAGS}"; then
1037       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1038       # is set to a version of gcc.
1039       case "${CC}" in
1040       *gcc)
1041         echo 'void f(){}' > conftest.c
1042         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1043           CFLAGS=${CFLAGS-"-g -O2"}
1044           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1045         else
1046           CFLAGS=${CFLAGS-"-O2"}
1047           CXXFLAGS=${CXXFLAGS-"-O2"}
1048         fi
1049         rm -f conftest*
1050         ;;
1051       esac
1052     fi
1053   fi
1054
1055   CXX=${CXX-"c++"}
1056   CFLAGS=${CFLAGS-"-g"}
1057   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1058 fi
1059
1060 export CC
1061 export CXX
1062 export CFLAGS
1063 export CXXFLAGS
1064
1065 # FIXME: This should be in configure.in, not configure
1066 case "$host" in
1067         *go32*)
1068             enable_gdbtk=no ;;
1069         *msdosdjgpp*)
1070             enable_gdbtk=no ;;
1071 esac
1072
1073 # FIXME: This should be in configure.in, not configure
1074 # Determine whether gdb needs tk/tcl or not.
1075 if [ "$enable_gdbtk" != "no" ]; then
1076         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1077 else
1078         GDB_TK=""
1079 fi
1080
1081 for subdir in . ${subdirs} ; do
1082
1083     # ${subdir} is relative path from . to the directory we're currently
1084     # configuring.
1085     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1086     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1087
1088     ### figure out what to do with srcdir
1089     case "${srcdir}" in
1090         ".")  # no -srcdir option.  We're building in place.
1091                 makesrcdir=. ;;
1092         /*) # absolute path
1093                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1094                 ;;
1095         *) # otherwise relative
1096                 case "${subdir}" in
1097                 .) makesrcdir=${srcdir} ;;
1098                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1099                 esac
1100                 ;;
1101     esac
1102
1103     if [ "${subdir}/" != "./" ] ; then
1104         Makefile=${subdir}/Makefile
1105     fi
1106
1107     if [ ! -d ${subdir} ] ; then
1108         if mkdir ${subdir} ; then
1109                 true
1110         else
1111                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1112                 exit 1
1113         fi
1114     fi
1115
1116     case "${removing}" in
1117     "")
1118         case "${subdir}" in
1119         .) ;;
1120         *) eval echo Building in ${subdir} ${redirect} ;;
1121         esac
1122
1123         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1124         # Set up the list of links to be made.
1125         # ${links} is the list of link names, and ${files} is the list of names to link to.
1126
1127         # Make the links.
1128         configlinks="${links}"
1129         if [ -r ${subdir}/config.status ] ; then
1130                 mv -f ${subdir}/config.status ${subdir}/config.back
1131         fi
1132         while [ -n "${files}" ] ; do
1133                 # set file to car of files, files to cdr of files
1134                 set ${files}; file=$1; shift; files=$*
1135                 set ${links}; link=$1; shift; links=$*
1136
1137                 if [ ! -r ${srcdir}/${file} ] ; then
1138                   if [ ! -r ${file} ] ; then
1139
1140                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1141                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1142                         exit 1
1143                   else
1144                         srcfile=${file}
1145                   fi
1146                 else
1147                         srcfile=${srcdir}/${file}
1148                 fi
1149
1150                 ${remove} -f ${link}
1151                 # Make a symlink if possible, otherwise try a hard link
1152                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1153                         true
1154                 else
1155                         # We need to re-remove the file because Lynx leaves a
1156                         # very strange directory there when it fails an NFS symlink.
1157                         ${remove} -r -f ${link}
1158                         ${hard_link} ${srcfile} ${link}
1159                 fi
1160                 if [ ! -r ${link} ] ; then
1161                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1162                         exit 1
1163                 fi
1164
1165                 echo "Linked \"${link}\" to \"${srcfile}\"."
1166         done
1167
1168         # Create a .gdbinit file which runs the one in srcdir
1169         # and tells GDB to look there for source files.
1170
1171         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1172                 case ${srcdir} in
1173                 .) ;;
1174                 *) cat > ${subdir}/.gdbinit <<EOF
1175 # ${NO_EDIT}
1176 dir ${makesrcdir}
1177 dir .
1178 source ${makesrcdir}/.gdbinit
1179 EOF
1180                         ;;
1181                 esac
1182         fi
1183
1184         # Install a makefile, and make it set VPATH
1185         # if necessary so that the sources are found.
1186         # Also change its value of srcdir.
1187         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1188         # been somewhat optimized and is perhaps a bit twisty.
1189
1190         # code is order so as to try to sed the smallest input files we know.
1191         # so do these separately because I don't trust the order of sed -e expressions.
1192
1193         # the five makefile fragments MUST end up in the resulting Makefile in this order:
1194         # package macros, target, host, site, and package rules.
1195
1196         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1197
1198             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1199             rm -f ${subdir}/${Makefile}.tem
1200             case "${package_makefile_rules_frag}" in
1201               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1202               *)
1203                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1204                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1205                       fi
1206                       if [ -f ${package_makefile_rules_frag} ] ; then
1207                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1208                       else
1209                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1210                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1211                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1212                       fi
1213             esac
1214             # working copy now in ${Makefile}.tem
1215
1216             # Conditionalize for this site.
1217             rm -f ${Makefile}
1218               case "${site}" in
1219               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1220               *)
1221                       site_makefile_frag=${srcdir}/config/ms-${site}
1222
1223                       if [ -f ${site_makefile_frag} ] ; then
1224                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1225                                       > ${Makefile}
1226                       else
1227                               mv ${subdir}/Makefile.tem ${Makefile}
1228                               site_makefile_frag=
1229                       fi
1230                       ;;
1231             esac
1232             # working copy now in ${Makefile}
1233
1234             # Conditionalize the makefile for this host.
1235             rm -f ${subdir}/Makefile.tem
1236             case "${host_makefile_frag}" in
1237               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1238               *)
1239                       if [ ! -f ${host_makefile_frag} ] ; then
1240                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1241                       fi
1242                       if [ -f ${host_makefile_frag} ] ; then
1243                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1244                       else
1245                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1246                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1247                               mv ${Makefile} ${subdir}/Makefile.tem
1248                       fi
1249             esac
1250             # working copy now in ${subdir)/Makefile.tem
1251
1252             # Conditionalize the makefile for this target.
1253             rm -f ${Makefile}
1254             case "${target_makefile_frag}" in
1255               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1256               *)
1257                       if [ ! -f ${target_makefile_frag} ] ; then
1258                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1259                       fi
1260                       if [ -f ${target_makefile_frag} ] ; then
1261                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1262                       else
1263                               mv ${subdir}/Makefile.tem ${Makefile}
1264                               target_makefile_frag=
1265                       fi
1266                       ;;
1267             esac
1268             # working copy now in ${Makefile}
1269
1270             # Emit the default values of this package's macros.
1271             rm -f ${subdir}/Makefile.tem
1272             case "${package_makefile_frag}" in
1273               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1274               *)
1275                       if [ ! -f ${package_makefile_frag} ] ; then
1276                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1277                       fi
1278                       if [ -f ${package_makefile_frag} ] ; then
1279                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1280                       else
1281                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1282                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1283                               mv ${Makefile} ${subdir}/Makefile.tem
1284                       fi
1285             esac
1286             # real copy now in ${subdir}/Makefile.tem
1287
1288             # prepend warning about editting, and a bunch of variables.
1289             rm -f ${Makefile}
1290             cat > ${Makefile} <<EOF
1291 # ${NO_EDIT}
1292 VPATH = ${makesrcdir}
1293 links = ${configlinks}
1294 host_alias = ${host_alias}
1295 host_cpu = ${host_cpu}
1296 host_vendor = ${host_vendor}
1297 host_os = ${host_os}
1298 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1299 target_alias = ${target_alias}
1300 target_cpu = ${target_cpu}
1301 target_vendor = ${target_vendor}
1302 target_os = ${target_os}
1303 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1304 EOF
1305             case "${build}" in
1306               "") ;;
1307               *)  cat >> ${Makefile} << EOF
1308 build_alias = ${build_alias}
1309 build_cpu = ${build_cpu}
1310 build_vendor = ${build_vendor}
1311 build_os = ${build_os}
1312 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1313 EOF
1314             esac
1315
1316             case "${package_makefile_frag}" in
1317               "") ;;
1318               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1319               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1320             esac
1321
1322             case "${target_makefile_frag}" in
1323               "") ;;
1324               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1325               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1326             esac
1327
1328             case "${host_makefile_frag}" in
1329               "") ;;
1330               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1331               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1332             esac
1333
1334             if [ "${site_makefile_frag}" != "" ] ; then
1335                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1336             fi
1337
1338             # record if we want to build shared libs.
1339             if test -z "${enable_shared}"; then
1340                 echo enable_shared = no >> ${Makefile}
1341             else
1342                 echo enable_shared = ${enable_shared} >> ${Makefile}
1343             fi
1344             # record if we want to rumtime library stuff installed in libsubdir.
1345             if test -z "${enable_version_specific_runtime_libs}"; then
1346                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1347             else
1348                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1349             fi
1350
1351             # Emit a macro which describes the file containing gcc's
1352             # version number.
1353             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1354             # And emit a macro defining gcc's version number.
1355             echo gcc_version = ${gcc_version} >> ${Makefile}
1356
1357             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1358             # remove any form feeds.
1359             if [ -z "${subdirs}" ]; then
1360                 rm -f ${subdir}/Makefile.tm2
1361                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1362                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1363                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1364                 rm -f ${subdir}/Makefile.tem
1365                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1366             fi
1367             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1368                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1369                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1370                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1371                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1372                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1373                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1374                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1375                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1376                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1377                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1378                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1379                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1380                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1381                     -e "/^CC[   ]*=/{
1382                         :loop1
1383                         /\\\\$/ N
1384                         s/\\\\\\n//g
1385                         t loop1
1386                         s%^CC[  ]*=.*$%CC = ${CC}%
1387                         }" \
1388                     -e "/^CXX[  ]*=/{
1389                         :loop2
1390                         /\\\\$/ N
1391                         s/\\\\\\n//g
1392                         t loop2
1393                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1394                         }" \
1395                     -e "/^CFLAGS[       ]*=/{
1396                         :loop3
1397                         /\\\\$/ N
1398                         s/\\\\\\n//g
1399                         t loop3
1400                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1401                         }" \
1402                     -e "/^CXXFLAGS[     ]*=/{
1403                         :loop4
1404                         /\\\\$/ N
1405                         s/\\\\\\n//g
1406                         t loop4
1407                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1408                         }" \
1409                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1410                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1411                     -e "s/\f//" \
1412                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1413                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1414                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1415                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1416                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1417                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1418                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1419                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1420                     ${subdir}/Makefile.tem >> ${Makefile}
1421
1422             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1423             mv -f ${Makefile}.tem ${Makefile}
1424
1425             # If this is a Canadian Cross, preset the values of many more
1426             # tools.
1427             if [ "${build}" != "${host}" ]; then
1428                 for var in ${tools}; do
1429                     eval val=\$${var}
1430                     sed -e "/^${var}[   ]*=/{
1431                            :loop1
1432                            /\\\\$/ N
1433                            /\\\\$/ b loop1
1434                            s/\\\\\\n//g
1435                            s%^${var}[   ]*=.*$%${var} = ${val}%
1436                            }" ${Makefile} > ${Makefile}.tem
1437                     mv -f ${Makefile}.tem ${Makefile}
1438                 done
1439             fi
1440
1441             # final copy now in ${Makefile}
1442
1443         else
1444            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1445         fi
1446
1447         rm -f ${subdir}/Makefile.tem
1448
1449         case "${host_makefile_frag}" in
1450         "") using= ;;
1451         *) using="and \"${host_makefile_frag}\"" ;;
1452         esac
1453
1454         case "${target_makefile_frag}" in
1455         "") ;;
1456         *) using="${using} and \"${target_makefile_frag}\"" ;;
1457         esac
1458
1459         case "${site_makefile_frag}" in
1460         "") ;;
1461         *) using="${using} and \"${site_makefile_frag}\"" ;;
1462         esac
1463
1464         newusing=`echo "${using}" | sed 's/and/using/'`
1465         using=${newusing}
1466         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1467
1468         . ${tmpfile}.pos
1469
1470         # describe the chosen configuration in config.status.
1471         # Make that file a shellscript which will reestablish
1472         # the same configuration.  Used in Makefiles to rebuild
1473         # Makefiles.
1474
1475         case "${norecursion}" in
1476         "") arguments="${arguments} --norecursion" ;;
1477         *) ;;
1478         esac
1479
1480         if [ ${subdir} = . ] ; then
1481             echo "#!/bin/sh
1482 # ${NO_EDIT}
1483 # This directory was configured as follows:
1484 ${progname}" ${arguments}  "
1485 # ${using}" > ${subdir}/config.new
1486         else
1487             echo "#!/bin/sh
1488 # ${NO_EDIT}
1489 # This directory was configured as follows:
1490 cd ${invsubdir}
1491 ${progname}" ${arguments}  "
1492 # ${using}" > ${subdir}/config.new
1493         fi
1494         chmod a+x ${subdir}/config.new
1495         if [ -r ${subdir}/config.back ] ; then
1496                 mv -f ${subdir}/config.back ${subdir}/config.status
1497         fi
1498         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1499         ;;
1500
1501     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1502     esac
1503 done
1504
1505 # If there are subdirectories, then recur.
1506 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
1507         for configdir in ${configdirs} ${extraconfigdirs} ; do
1508
1509                 # If configdir contains ',' it is
1510                 # srcdir,builddir,target_alias
1511                 # These come from extraconfigdirs.
1512                 case ${configdir} in
1513                 *,*)
1514                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1515                     ;;
1516                 *)
1517                     cfg_dir=${configdir}
1518                     bld_dir=${configdir}
1519                     tgt_alias=${target_alias}
1520                     ;;
1521                 esac
1522
1523                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1524                         eval echo Configuring ${configdir}... ${redirect}
1525                         case "${srcdir}" in
1526                         ".") ;;
1527                         *)
1528                                 if [ ! -d ./${bld_dir} ] ; then
1529                                         if mkdir ./${bld_dir} ; then
1530                                                 true
1531                                         else
1532                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1533                                                 exit 1
1534                                         fi
1535                                 fi
1536                                 ;;
1537                         esac
1538
1539                         POPDIR=${PWD=`pwd`}
1540                         cd ${bld_dir}
1541
1542 ### figure out what to do with srcdir
1543                         case "${srcdir}" in
1544                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1545                         /*) # absolute path
1546                                 newsrcdir=${srcdir}/${cfg_dir}
1547                                 srcdiroption="--srcdir=${newsrcdir}"
1548                                 ;;
1549                         ?:*) # absolute path on win32
1550                                 newsrcdir=${srcdir}/${cfg_dir}
1551                                 srcdiroption="--srcdir=${newsrcdir}"
1552                                 ;;
1553                         *) # otherwise relative
1554                                 newsrcdir=../${srcdir}/${cfg_dir}
1555                                 srcdiroption="--srcdir=${newsrcdir}"
1556                                 ;;
1557                         esac
1558
1559                         # Handle --cache-file=../XXX
1560                         case "${cache_file}" in
1561                         "") # empty
1562                                 ;;
1563                         /*) # absolute path
1564                                 cache_file_option="--cache-file=${cache_file}"
1565                                 ;;
1566                         ?:*) # absolute path on win32
1567                                 cache_file_option="--cache-file=${cache_file}"
1568                                 ;;
1569                         *) # relative path
1570                                 cache_file_option="--cache-file=../${cache_file}"
1571                                 ;;
1572                         esac
1573
1574 ### check for guested configure, otherwise fix possibly relative progname
1575                         if [ -f ${newsrcdir}/configure ] ; then
1576                                 recprog=${newsrcdir}/configure
1577                         elif [ -f ${newsrcdir}/configure.in ] ; then
1578                                 case "${progname}" in
1579                                 /*)     recprog=${progname} ;;
1580                                 ?:*)    recprog=${progname} ;;
1581                                 *)      recprog=../${progname} ;;
1582                                 esac
1583                         else
1584                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1585                                 recprog=
1586                         fi
1587
1588 ### The recursion line is here.
1589                         if [ ! -z "${recprog}" ] ; then
1590                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1591                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1592                                         ${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
1593                                         true
1594                                 else
1595                                         echo Configure in `pwd` failed, exiting. 1>&2
1596                                         exit 1
1597                                 fi
1598                         fi
1599
1600                         cd ${POPDIR}
1601                 fi
1602         done
1603 fi
1604
1605 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1606 # and reset the trap handler.
1607 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1608 trap 0
1609
1610 exit 0
1611
1612 #
1613 # Local Variables:
1614 # fill-column: 131
1615 # End:
1616 #
1617
1618 # end of configure