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, 1997
   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: 1.24 $"
  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 topsrcdir=`cd \`dirname ${progname}\`; pwd`
 522
 523
 524 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 525 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
 526         true
 527 else
 528         echo '***' cannot find config.sub.  1>&2
 529         exit 1
 530 fi
 531
 532 touch config.junk
 533 if ${config_shell} ${moveifchange} config.junk config.trash ; then
 534         true
 535 else
 536         echo '***' cannot find move-if-change.  1>&2
 537         exit 1
 538 fi
 539 rm -f config.junk config.trash
 540
 541 case "${srcdir}" in
 542 "")
 543         if [ -r configure.in ] ; then
 544                 srcdir=.
 545         else
 546                 if [ -r ${progname}.in ] ; then
 547                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 548                 else
 549                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
 550                         exit 1
 551                 fi
 552         fi
 553         ;;
 554 *)
 555         # Set srcdir to "." if that's what it is.
 556         # This is important for multilib support.
 557         if [ ! -d ${srcdir} ] ; then
 558                 echo "Invalid source directory ${srcdir}" >&2
 559                 exit 1
 560         fi
 561         pwd=`pwd`
 562         srcpwd=`cd ${srcdir} ; pwd`
 563         if [ "${pwd}" = "${srcpwd}" ] ; then
 564                 srcdir=.
 565         fi
 566 esac
 567
 568 ### warn about some conflicting configurations.
 569
 570 case "${srcdir}" in
 571 ".") ;;
 572 *)
 573         if [ -f ${srcdir}/config.status ] ; then
 574                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 575                 exit 1
 576         fi
 577 esac
 578
 579 # default exec_prefix
 580 case "${exec_prefixoption}" in
 581 "") exec_prefix="\$(prefix)" ;;
 582 *) ;;
 583 esac
 584
 585 # Define the trigger file to make sure configure will re-run whenever
 586 # the gcc version number changes.
 587 if [ "${with_gcc_version_trigger+set}" = set ]; then
 588     gcc_version_trigger="$with_gcc_version_trigger"
 589     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 590 else
 591     # If gcc's sources are available, define the trigger file.
 592     if [ -f ${topsrcdir}/gcc/version.c ] ; then
 593         gcc_version_trigger=${topsrcdir}/gcc/version.c
 594         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
 595         case "$arguments" in
 596           *--with-gcc-version-trigger=$gcc_version_trigger* )
 597             ;;
 598           * )
 599             # Make sure configure.in knows about this.
 600             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
 601             ;;
 602         esac
 603         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
 604     fi
 605 fi
 606
 607 ### break up ${srcdir}/configure.in.
 608 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 609 "")
 610         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 611         # Check for a directory that's been converted to use autoconf since
 612         # it was last configured.
 613         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
 614           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
 615           if [ -r ${srcdir}/configure ] ; then
 616             echo '***' Running the local configure script. 1>&2
 617             case "${cache_file}" in
 618             "") cache_file_option= ;;
 619             *)  cache_file_option="--cache-file=${cache_file}" ;;
 620             esac
 621             srcdiroption="--srcdir=${srcdir}"
 622             case "${build_alias}" in
 623             "") buildopt= ;;
 624             *)  buildopt="--build=${build_alias}" ;;
 625             esac
 626             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
 627                 ${buildopt} --host=${host_alias} --target=${target_alias} \
 628                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 629                 ${srcdiroption} ${diroptions} \
 630                 ${program_prefixoption} ${program_suffixoption} \
 631                 ${program_transform_nameoption} ${site_option} \
 632                 ${withoptions} ${withoutoptions} \
 633                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
 634                 ${cache_file_option} ${removing} ${other_options} ${redirect}
 635           else
 636             echo '***' There is no configure script present though. 1>&2
 637           fi
 638         fi
 639         exit 1
 640         ;;
 641 *) ;;
 642 esac
 643
 644 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 645 "")
 646         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 647         exit 1
 648         ;;
 649 *) ;;
 650 esac
 651
 652 case "${TMPDIR}" in
 653 "") TMPDIR=/tmp ; export TMPDIR ;;
 654 *) ;;
 655 esac
 656
 657 # keep this filename short for &%*%$*# 14 char file names
 658 tmpfile=${TMPDIR}/cONf$$
 659 # Note that under many versions of sh a trap handler for 0 will *override* any
 660 # exit status you explicitly specify!  At this point, the only non-error exit
 661 # is at the end of the script; these actions are duplicated there, minus
 662 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
 663 # trap handler, or you'll lose.
 664 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
 665
 666 # split ${srcdir}/configure.in into common, per-host, per-target,
 667 # and post-target parts.  Post-target is optional.
 668 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 669 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 670 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 671   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 672   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 673 else
 674   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 675   echo >${tmpfile}.pos
 676 fi
 677
 678 ### do common part of configure.in
 679
 680 # If the language specific compiler does not exist, but the "gcc" directory does,
 681 # we will skip this directory; in this case the sub-directory's common part
 682 # of configure.in will create a small shell script "skip-this-dir" containing
 683 # commands to completely clean up any temporary or created files.
 684
 685 . ${tmpfile}.com
 686
 687 if test -f skip-this-dir; then
 688         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
 689         # and reset the trap handler.
 690         trap 0
 691         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 692         # Execute the final clean-up actions
 693         ${config_shell} skip-this-dir
 694         # and stop configuring this directory.
 695         exit 0
 696 fi
 697
 698 # some sanity checks on configure.in
 699 case "${srctrigger}" in
 700 "")
 701         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 702         exit 1
 703         ;;
 704 *) ;;
 705 esac
 706
 707 case "${build_alias}" in
 708 "")
 709         if result=`${config_shell} ${configsub} ${host_alias}` ; then
 710             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 711             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 712             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 713             build=${build_cpu}-${build_vendor}-${build_os}
 714             build_alias=${host_alias}
 715         fi
 716         ;;
 717 *)
 718         if result=`${config_shell} ${configsub} ${build_alias}` ; then
 719             buildopt="--build=${build_alias}"
 720             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 721             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 722             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 723             build=${build_cpu}-${build_vendor}-${build_os}
 724         else
 725             echo "Unrecognized build system name ${build_alias}." 1>&2
 726             exit 1
 727         fi
 728         ;;
 729 esac
 730
 731 if result=`${config_shell} ${configsub} ${host_alias}` ; then
 732     true
 733 else
 734     echo "Unrecognized host system name ${host_alias}." 1>&2
 735     exit 1
 736 fi
 737 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 738 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 739 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 740 host=${host_cpu}-${host_vendor}-${host_os}
 741
 742 . ${tmpfile}.hst
 743
 744 if result=`${config_shell} ${configsub} ${target_alias}` ; then
 745     true
 746 else
 747     echo "Unrecognized target system name ${target_alias}." 1>&2
 748     exit 1
 749 fi
 750 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 751 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 752 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 753 target=${target_cpu}-${target_vendor}-${target_os}
 754
 755 . ${tmpfile}.tgt
 756
 757 # Find the source files, if location was not specified.
 758 case "${srcdir}" in
 759 "")
 760         srcdirdefaulted=1
 761         srcdir=.
 762         if [ ! -r ${srctrigger} ] ; then
 763                 srcdir=..
 764         fi
 765         ;;
 766 *) ;;
 767 esac
 768
 769 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 770         case "${srcdirdefaulted}" in
 771         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 772         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 773         esac
 774
 775         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 776         exit 1
 777 fi
 778
 779 # Some systems (e.g., one of the i386-aix systems the gas testers are
 780 # using) don't handle "\$" correctly, so don't use it here.
 781 tooldir='$(exec_prefix)'/${target_alias}
 782
 783 if [ "${host_alias}" != "${target_alias}" ] ; then
 784     if [ "${program_prefixoption}" = "" ] ; then
 785         if [ "${program_suffixoption}" = "" ] ; then
 786             if [ "${program_transform_nameoption}" = "" ] ; then
 787                 program_prefix=${target_alias}- ;
 788             fi
 789         fi
 790     fi
 791 fi
 792
 793 # Merge program_prefix and program_suffix onto program_transform_name.
 794 # (program_suffix used to use $, but it's hard to preserve $ through both
 795 # make and sh.)
 796 if [ "${program_suffix}" != "" ] ; then
 797     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
 798 fi
 799
 800 if [ "${program_prefix}" != "" ] ; then
 801     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 802 fi
 803
 804 # If CC and CXX are not set in the environment, and the Makefile
 805 # exists, try to extract them from it.  This is to handle running
 806 # ./config.status by hand.
 807 if [ -z "${CC}" ] && [ -r Makefile ]; then
 808   sed -n -e ':loop
 809 /\\$/ N
 810 s/\\\n//g
 811 t loop
 812 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 813   CC=`tail -1 Makefile.cc`
 814   rm -f Makefile.cc
 815 fi
 816
 817 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
 818   sed -n -e ':loop
 819 /\\$/ N
 820 s/\\\n//g
 821 t loop
 822 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 823   CFLAGS=`tail -1 Makefile.cc`
 824   rm -f Makefile.cc
 825 fi
 826
 827 if [ -z "${CXX}" ] && [ -r Makefile ]; then
 828   sed -n -e ':loop
 829 /\\$/ N
 830 s/\\\n//g
 831 t loop
 832 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 833   CXX=`tail -1 Makefile.cc`
 834   rm -f Makefile.cc
 835 fi
 836
 837 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
 838   sed -n -e ':loop
 839 /\\$/ N
 840 s/\\\n//g
 841 t loop
 842 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
 843   CXXFLAGS=`tail -1 Makefile.cc`
 844   rm -f Makefile.cc
 845 fi
 846
 847 # Generate a default definition for YACC.  This is used if the makefile can't
 848 # locate bison or byacc in objdir.
 849
 850 for prog in 'bison -y' byacc yacc
 851 do
 852   set dummy $prog; tmp=$2
 853   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 854   for dir in $PATH; do
 855     test -z "$dir" && dir=.
 856     if test -f $dir/$tmp; then
 857       DEFAULT_YACC="$prog"
 858       break
 859     fi
 860   done
 861   IFS="$save_ifs"
 862
 863   test -n "$DEFAULT_YACC" && break
 864 done
 865
 866 # Generate a default definition for M4.  This is used if the makefile can't
 867 # locate m4 in objdir.
 868
 869 for prog in gm4 gnum4 m4
 870 do
 871   set dummy $prog; tmp=$2
 872   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 873   for dir in $PATH; do
 874     test -z "$dir" && dir=.
 875     if test -f $dir/$tmp; then
 876       DEFAULT_M4="$prog"
 877       break
 878     fi
 879   done
 880   IFS="$save_ifs"
 881
 882   test -n "$DEFAULT_M4" && break
 883 done
 884
 885 # Generate a default definition for LEX.  This is used if the makefile can't
 886 # locate flex in objdir.
 887
 888 for prog in flex lex
 889 do
 890   set dummy $prog; tmp=$2
 891   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 892   for dir in $PATH; do
 893     test -z "$dir" && dir=.
 894     if test -f $dir/$tmp; then
 895       DEFAULT_LEX="$prog"
 896       break
 897     fi
 898   done
 899   IFS="$save_ifs"
 900
 901   test -n "$DEFAULT_LEX" && break
 902 done
 903
 904 if [ "${build}" != "${host}" ]; then
 905   # If we are doing a Canadian Cross, in which the host and build systems
 906   # are not the same, we set reasonable default values for the tools.
 907
 908   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
 909   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
 910   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
 911   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
 912   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
 913   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
 914
 915   for var in ${tools}; do
 916     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
 917       sed -n -e ':loop
 918 /\\$/ N
 919 s/\\\n//g
 920 t loop
 921 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
 922         < Makefile > Makefile.v
 923       t=`tail -1 Makefile.v`
 924       if [ -n "${t}" ]; then
 925         eval "${var}=\${t}"
 926       fi
 927       rm -f Makefile.v
 928     fi
 929   done
 930
 931   AR=${AR-${host_alias}-ar}
 932   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
 933   AS=${AS-${host_alias}-as}
 934   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
 935   BISON=${BISON-bison}
 936   CC=${CC-${host_alias}-gcc}
 937   CFLAGS=${CFLAGS-"-g -O2"}
 938   CXX=${CXX-${host_alias}-c++}
 939   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 940   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 941   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 942   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 943   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
 944   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
 945   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 946   HOST_PREFIX=${build_alias}-
 947   HOST_PREFIX_1=${build_alias}-
 948   LD=${LD-${host_alias}-ld}
 949   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
 950   MAKEINFO=${MAKEINFO-makeinfo}
 951   NM=${NM-${host_alias}-nm}
 952   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
 953   RANLIB=${RANLIB-${host_alias}-ranlib}
 954   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
 955   WINDRES=${WINDRES-${host_alias}-windres}
 956   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
 957
 958   if [ -z "${YACC}" ]; then
 959     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 960     for dir in $PATH; do
 961       test -z "$dir" && dir=.
 962       if test -f $dir/bison; then
 963         YACC="bison -y"
 964         break
 965       fi
 966       if test -f $dir/byacc; then
 967         YACC=byacc
 968         break
 969       fi
 970       if test -f $dir/yacc; then
 971         YACC=yacc
 972         break
 973       fi
 974     done
 975     IFS="$save_ifs"
 976     if [ -z "${YACC}" ]; then
 977       YACC="bison -y"
 978     fi
 979   fi
 980
 981   if [ -z "${LEX}" ]; then
 982     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 983     for dir in $PATH; do
 984       test -z "$dir" && dir=.
 985       if test -f $dir/flex; then
 986         LEX=flex
 987         break
 988       fi
 989       if test -f $dir/lex; then
 990         LEX=lex
 991         break
 992       fi
 993     done
 994     IFS="$save_ifs"
 995     LEX=${LEX-flex}
 996   fi
 997
 998   # Export variables which autoconf might try to set.
 999   export AS
1000   export AR
1001   export CC_FOR_BUILD
1002   export DLLTOOL
1003   export LD
1004   export NM
1005   export RANLIB
1006   export WINDRES
1007 else
1008   # If CC is still not set, try to get gcc.
1009   if [ -z "${CC}" ]; then
1010     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1011     for dir in $PATH; do
1012       test -z "$dir" && dir=.
1013       if test -f $dir/gcc; then
1014         CC="gcc"
1015         echo 'void f(){}' > conftest.c
1016         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1017           CFLAGS=${CFLAGS-"-g -O2"}
1018           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1019         else
1020           CFLAGS=${CFLAGS-"-O2"}
1021           CXXFLAGS=${CXXFLAGS-"-O2"}
1022         fi
1023         rm -f conftest*
1024         break
1025       fi
1026     done
1027     IFS="$save_ifs"
1028     CC=${CC-cc}
1029   else
1030     if test -z "${CFLAGS}"; then
1031       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1032       # is set to a version of gcc.
1033       case "${CC}" in
1034       *gcc)
1035         echo 'void f(){}' > conftest.c
1036         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1037           CFLAGS=${CFLAGS-"-g -O2"}
1038           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1039         else
1040           CFLAGS=${CFLAGS-"-O2"}
1041           CXXFLAGS=${CXXFLAGS-"-O2"}
1042         fi
1043         rm -f conftest*
1044         ;;
1045       esac
1046     fi
1047   fi
1048
1049   CXX=${CXX-"c++"}
1050   CFLAGS=${CFLAGS-"-g"}
1051   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1052 fi
1053
1054 export CC
1055 export CXX
1056 export CFLAGS
1057 export CXXFLAGS
1058
1059 # FIXME: This should be in configure.in, not configure
1060 case "$host" in
1061         *go32*)
1062             enable_gdbtk=no ;;
1063         *msdosdjgpp*)
1064             enable_gdbtk=no ;;
1065         *cygwin32*)
1066             enable_gdbtk=no ;;
1067 esac
1068
1069 # FIXME: This should be in configure.in, not configure
1070 # Determine whether gdb needs tk/tcl or not.
1071 if [ "$enable_gdbtk" != "no" ]; then
1072         GDB_TK="all-tcl all-tk all-itcl all-tix"
1073 else
1074         GDB_TK=""
1075 fi
1076
1077 for subdir in . ${subdirs} ; do
1078
1079     # ${subdir} is relative path from . to the directory we're currently
1080     # configuring.
1081     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1082     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1083
1084     ### figure out what to do with srcdir
1085     case "${srcdir}" in
1086         ".")  # no -srcdir option.  We're building in place.
1087                 makesrcdir=. ;;
1088         /*) # absolute path
1089                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1090                 ;;
1091         *) # otherwise relative
1092                 case "${subdir}" in
1093                 .) makesrcdir=${srcdir} ;;
1094                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1095                 esac
1096                 ;;
1097     esac
1098
1099     if [ "${subdir}/" != "./" ] ; then
1100         Makefile=${subdir}/Makefile
1101     fi
1102
1103     if [ ! -d ${subdir} ] ; then
1104         if mkdir ${subdir} ; then
1105                 true
1106         else
1107                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1108                 exit 1
1109         fi
1110     fi
1111
1112     case "${removing}" in
1113     "")
1114         case "${subdir}" in
1115         .) ;;
1116         *) eval echo Building in ${subdir} ${redirect} ;;
1117         esac
1118
1119         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1120         # Set up the list of links to be made.
1121         # ${links} is the list of link names, and ${files} is the list of names to link to.
1122
1123         # Make the links.
1124         configlinks="${links}"
1125         if [ -r ${subdir}/config.status ] ; then
1126                 mv -f ${subdir}/config.status ${subdir}/config.back
1127         fi
1128         while [ -n "${files}" ] ; do
1129                 # set file to car of files, files to cdr of files
1130                 set ${files}; file=$1; shift; files=$*
1131                 set ${links}; link=$1; shift; links=$*
1132
1133                 if [ ! -r ${srcdir}/${file} ] ; then
1134                   if [ ! -r ${file} ] ; then
1135
1136                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1137                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1138                         exit 1
1139                   else
1140                         srcfile=${file}
1141                   fi
1142                 else
1143                         srcfile=${srcdir}/${file}
1144                 fi
1145
1146                 ${remove} -f ${link}
1147                 # Make a symlink if possible, otherwise try a hard link
1148                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1149                         true
1150                 else
1151                         # We need to re-remove the file because Lynx leaves a
1152                         # very strange directory there when it fails an NFS symlink.
1153                         ${remove} -r -f ${link}
1154                         ${hard_link} ${srcfile} ${link}
1155                 fi
1156                 if [ ! -r ${link} ] ; then
1157                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1158                         exit 1
1159                 fi
1160
1161                 echo "Linked \"${link}\" to \"${srcfile}\"."
1162         done
1163
1164         # Create a .gdbinit file which runs the one in srcdir
1165         # and tells GDB to look there for source files.
1166
1167         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1168                 case ${srcdir} in
1169                 .) ;;
1170                 *) cat > ${subdir}/.gdbinit <<EOF
1171 # ${NO_EDIT}
1172 dir ${makesrcdir}
1173 dir .
1174 source ${makesrcdir}/.gdbinit
1175 EOF
1176                         ;;
1177                 esac
1178         fi
1179
1180         # Install a makefile, and make it set VPATH
1181         # if necessary so that the sources are found.
1182         # Also change its value of srcdir.
1183         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1184         # been somewhat optimized and is perhaps a bit twisty.
1185
1186         # code is order so as to try to sed the smallest input files we know.
1187         # so do these separately because I don't trust the order of sed -e expressions.
1188
1189         # the five makefile fragments MUST end up in the resulting Makefile in this order:
1190         # package macros, target, host, site, and package rules.
1191
1192         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1193
1194             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1195             rm -f ${subdir}/${Makefile}.tem
1196             case "${package_makefile_rules_frag}" in
1197               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1198               *)
1199                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1200                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1201                       fi
1202                       if [ -f ${package_makefile_rules_frag} ] ; then
1203                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1204                       else
1205                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1206                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1207                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1208                       fi
1209             esac
1210             # working copy now in ${Makefile}.tem
1211
1212             # Conditionalize for this site.
1213             rm -f ${Makefile}
1214               case "${site}" in
1215               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1216               *)
1217                       site_makefile_frag=${srcdir}/config/ms-${site}
1218
1219                       if [ -f ${site_makefile_frag} ] ; then
1220                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1221                                       > ${Makefile}
1222                       else
1223                               mv ${subdir}/Makefile.tem ${Makefile}
1224                               site_makefile_frag=
1225                       fi
1226                       ;;
1227             esac
1228             # working copy now in ${Makefile}
1229
1230             # Conditionalize the makefile for this host.
1231             rm -f ${subdir}/Makefile.tem
1232             case "${host_makefile_frag}" in
1233               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1234               *)
1235                       if [ ! -f ${host_makefile_frag} ] ; then
1236                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1237                       fi
1238                       if [ -f ${host_makefile_frag} ] ; then
1239                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1240                       else
1241                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1242                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1243                               mv ${Makefile} ${subdir}/Makefile.tem
1244                       fi
1245             esac
1246             # working copy now in ${subdir)/Makefile.tem
1247
1248             # Conditionalize the makefile for this target.
1249             rm -f ${Makefile}
1250             case "${target_makefile_frag}" in
1251               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1252               *)
1253                       if [ ! -f ${target_makefile_frag} ] ; then
1254                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1255                       fi
1256                       if [ -f ${target_makefile_frag} ] ; then
1257                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1258                       else
1259                               mv ${subdir}/Makefile.tem ${Makefile}
1260                               target_makefile_frag=
1261                       fi
1262                       ;;
1263             esac
1264             # working copy now in ${Makefile}
1265
1266             # Emit the default values of this package's macros.
1267             rm -f ${subdir}/Makefile.tem
1268             case "${package_makefile_frag}" in
1269               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1270               *)
1271                       if [ ! -f ${package_makefile_frag} ] ; then
1272                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1273                       fi
1274                       if [ -f ${package_makefile_frag} ] ; then
1275                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1276                       else
1277                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1278                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1279                               mv ${Makefile} ${subdir}/Makefile.tem
1280                       fi
1281             esac
1282             # real copy now in ${subdir}/Makefile.tem
1283
1284             # prepend warning about editting, and a bunch of variables.
1285             rm -f ${Makefile}
1286             cat > ${Makefile} <<EOF
1287 # ${NO_EDIT}
1288 VPATH = ${makesrcdir}
1289 links = ${configlinks}
1290 host_alias = ${host_alias}
1291 host_cpu = ${host_cpu}
1292 host_vendor = ${host_vendor}
1293 host_os = ${host_os}
1294 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1295 target_alias = ${target_alias}
1296 target_cpu = ${target_cpu}
1297 target_vendor = ${target_vendor}
1298 target_os = ${target_os}
1299 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1300 EOF
1301             case "${build}" in
1302               "") ;;
1303               *)  cat >> ${Makefile} << EOF
1304 build_alias = ${build_alias}
1305 build_cpu = ${build_cpu}
1306 build_vendor = ${build_vendor}
1307 build_os = ${build_os}
1308 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1309 EOF
1310             esac
1311
1312             case "${package_makefile_frag}" in
1313               "") ;;
1314               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1315               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1316             esac
1317
1318             case "${target_makefile_frag}" in
1319               "") ;;
1320               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1321               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1322             esac
1323
1324             case "${host_makefile_frag}" in
1325               "") ;;
1326               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1327               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1328             esac
1329
1330             if [ "${site_makefile_frag}" != "" ] ; then
1331                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1332             fi
1333
1334             # record if we want to build shared libs.
1335             if test -z "${enable_shared}"; then
1336                 echo enable_shared = no >> ${Makefile}
1337             else
1338                 echo enable_shared = ${enable_shared} >> ${Makefile}
1339             fi
1340             # record if we want to rumtime library stuff installed in libsubdir.
1341             if test -z "${enable_version_specific_runtime_libs}"; then
1342                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1343             else
1344                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1345             fi
1346
1347             # Emit a macro which describes the file containing gcc's
1348             # version number.
1349             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1350             # And emit a macro defining gcc's version number.
1351             echo gcc_version = ${gcc_version} >> ${Makefile}
1352
1353             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1354             # remove any form feeds.
1355             if [ -z "${subdirs}" ]; then
1356                 rm -f ${subdir}/Makefile.tm2
1357                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1358                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1359                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1360                 rm -f ${subdir}/Makefile.tem
1361                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1362             fi
1363             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1364                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1365                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1366                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1367                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1368                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1369                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1370                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1371                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1372                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1373                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1374                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1375                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1376                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1377                     -e "/^CC[   ]*=/{
1378                         :loop1
1379                         /\\\\$/ N
1380                         s/\\\\\\n//g
1381                         t loop1
1382                         s%^CC[  ]*=.*$%CC = ${CC}%
1383                         }" \
1384                     -e "/^CXX[  ]*=/{
1385                         :loop2
1386                         /\\\\$/ N
1387                         s/\\\\\\n//g
1388                         t loop2
1389                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1390                         }" \
1391                     -e "/^CFLAGS[       ]*=/{
1392                         :loop3
1393                         /\\\\$/ N
1394                         s/\\\\\\n//g
1395                         t loop3
1396                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1397                         }" \
1398                     -e "/^CXXFLAGS[     ]*=/{
1399                         :loop4
1400                         /\\\\$/ N
1401                         s/\\\\\\n//g
1402                         t loop4
1403                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1404                         }" \
1405                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1406                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1407                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1408                     -e "s/\f//" \
1409                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1410                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1411                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1412                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1413                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1414                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1415                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1416                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1417                     ${subdir}/Makefile.tem >> ${Makefile}
1418
1419             # If this is a Canadian Cross, preset the values of many more
1420             # tools.
1421             if [ "${build}" != "${host}" ]; then
1422                 for var in ${tools}; do
1423                     eval val=\$${var}
1424                     sed -e "/^${var}[   ]*=/{
1425                            :loop1
1426                            /\\\\$/ N
1427                            /\\\\$/ b loop1
1428                            s/\\\\\\n//g
1429                            s%^${var}[   ]*=.*$%${var} = ${val}%
1430                            }" ${Makefile} > ${Makefile}.tem
1431                     mv -f ${Makefile}.tem ${Makefile}
1432                 done
1433             fi
1434
1435             # final copy now in ${Makefile}
1436
1437         else
1438            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1439         fi
1440
1441         rm -f ${subdir}/Makefile.tem
1442
1443         case "${host_makefile_frag}" in
1444         "") using= ;;
1445         *) using="and \"${host_makefile_frag}\"" ;;
1446         esac
1447
1448         case "${target_makefile_frag}" in
1449         "") ;;
1450         *) using="${using} and \"${target_makefile_frag}\"" ;;
1451         esac
1452
1453         case "${site_makefile_frag}" in
1454         "") ;;
1455         *) using="${using} and \"${site_makefile_frag}\"" ;;
1456         esac
1457
1458         newusing=`echo "${using}" | sed 's/and/using/'`
1459         using=${newusing}
1460         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1461
1462         . ${tmpfile}.pos
1463
1464         # describe the chosen configuration in config.status.
1465         # Make that file a shellscript which will reestablish
1466         # the same configuration.  Used in Makefiles to rebuild
1467         # Makefiles.
1468
1469         case "${norecursion}" in
1470         "") arguments="${arguments} --norecursion" ;;
1471         *) ;;
1472         esac
1473
1474         if [ ${subdir} = . ] ; then
1475             echo "#!/bin/sh
1476 # ${NO_EDIT}
1477 # This directory was configured as follows:
1478 ${progname}" ${arguments}  "
1479 # ${using}" > ${subdir}/config.new
1480         else
1481             echo "#!/bin/sh
1482 # ${NO_EDIT}
1483 # This directory was configured as follows:
1484 cd ${invsubdir}
1485 ${progname}" ${arguments}  "
1486 # ${using}" > ${subdir}/config.new
1487         fi
1488         chmod a+x ${subdir}/config.new
1489         if [ -r ${subdir}/config.back ] ; then
1490                 mv -f ${subdir}/config.back ${subdir}/config.status
1491         fi
1492         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1493         ;;
1494
1495     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1496     esac
1497 done
1498
1499 # If there are subdirectories, then recur.
1500 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
1501         for configdir in ${configdirs} ${extraconfigdirs} ; do
1502
1503                 # If configdir contains ',' it is
1504                 # srcdir,builddir,target_alias
1505                 # These come from extraconfigdirs.
1506                 case ${configdir} in
1507                 *,*)
1508                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1509                     ;;
1510                 *)
1511                     cfg_dir=${configdir}
1512                     bld_dir=${configdir}
1513                     tgt_alias=${target_alias}
1514                     ;;
1515                 esac
1516
1517                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1518                         eval echo Configuring ${configdir}... ${redirect}
1519                         case "${srcdir}" in
1520                         ".") ;;
1521                         *)
1522                                 if [ ! -d ./${bld_dir} ] ; then
1523                                         if mkdir ./${bld_dir} ; then
1524                                                 true
1525                                         else
1526                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1527                                                 exit 1
1528                                         fi
1529                                 fi
1530                                 ;;
1531                         esac
1532
1533                         POPDIR=${PWD=`pwd`}
1534                         cd ${bld_dir}
1535
1536 ### figure out what to do with srcdir
1537                         case "${srcdir}" in
1538                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1539                         /*) # absolute path
1540                                 newsrcdir=${srcdir}/${cfg_dir}
1541                                 srcdiroption="--srcdir=${newsrcdir}"
1542                                 ;;
1543                         ?:*) # absolute path on win32
1544                                 newsrcdir=${srcdir}/${cfg_dir}
1545                                 srcdiroption="--srcdir=${newsrcdir}"
1546                                 ;;
1547                         *) # otherwise relative
1548                                 newsrcdir=../${srcdir}/${cfg_dir}
1549                                 srcdiroption="--srcdir=${newsrcdir}"
1550                                 ;;
1551                         esac
1552
1553                         # Handle --cache-file=../XXX
1554                         case "${cache_file}" in
1555                         "") # empty
1556                                 ;;
1557                         /*) # absolute path
1558                                 cache_file_option="--cache-file=${cache_file}"
1559                                 ;;
1560                         ?:*) # absolute path on win32
1561                                 cache_file_option="--cache-file=${cache_file}"
1562                                 ;;
1563                         *) # relative path
1564                                 cache_file_option="--cache-file=../${cache_file}"
1565                                 ;;
1566                         esac
1567
1568 ### check for guested configure, otherwise fix possibly relative progname
1569                         if [ -f ${newsrcdir}/configure ] ; then
1570                                 recprog=${newsrcdir}/configure
1571                         elif [ -f ${newsrcdir}/configure.in ] ; then
1572                                 case "${progname}" in
1573                                 /*)     recprog=${progname} ;;
1574                                 ?:*)    recprog=${progname} ;;
1575                                 *)      recprog=../${progname} ;;
1576                                 esac
1577                         else
1578                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1579                                 recprog=
1580                         fi
1581
1582 ### The recursion line is here.
1583                         if [ ! -z "${recprog}" ] ; then
1584                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1585                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1586                                         ${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
1587                                         true
1588                                 else
1589                                         echo Configure in `pwd` failed, exiting. 1>&2
1590                                         exit 1
1591                                 fi
1592                         fi
1593
1594                         cd ${POPDIR}
1595                 fi
1596         done
1597 fi
1598
1599 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1600 # and reset the trap handler.
1601 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1602 trap 0
1603
1604 exit 0
1605
1606 #
1607 # Local Variables:
1608 # fill-column: 131
1609 # End:
1610 #
1611
1612 # end of configure