configure

   1 #!/bin/sh
   2
   3 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
   4
   5 # Configuration script
   6 #   Copyright (C) 1988, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
   7
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 # Please email any bugs, comments, and/or additions to this file to:
  23 # configure@cygnus.com
  24
  25 # This file was written by K. Richard Pixley.
  26
  27 #
  28 # Shell script to create proper links to machine-dependent files in
  29 # preparation for compilation.
  30 #
  31 # If configure succeeds, it leaves its status in config.status.
  32 # If configure fails after disturbing the status quo,
  33 #       config.status is removed.
  34 #
  35
  36 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  37
  38 remove=rm
  39 hard_link=ln
  40 symbolic_link='ln -s'
  41
  42 #for Test
  43 #remove="echo rm"
  44 #hard_link="echo ln"
  45 #symbolic_link="echo ln -s"
  46
  47 # clear some things potentially inherited from environment.
  48
  49 Makefile=Makefile
  50 Makefile_in=Makefile.in
  51 arguments=$*
  52 configdirs=
  53 exec_prefix=
  54 exec_prefixoption=
  55 fatal=
  56 floating_point=default
  57 gas=default
  58 host_alias=
  59 host_makefile_frag=
  60 moveifchange=
  61 next_host=
  62 next_prefix=
  63 next_site=
  64 next_srcdir=
  65 next_target=
  66 next_tmpdir=
  67 norecursion=
  68 package_makefile_frag=
  69 prefix=/usr/local
  70 progname=
  71 program_prefix=
  72 program_prefixoption=
  73 program_suffix=
  74 program_suffixoption=
  75 program_transform_name=
  76 program_transform_nameoption=
  77 redirect=">/dev/null"
  78 removing=
  79 site=
  80 site_makefile_frag=
  81 site_option=
  82 srcdir=
  83 srctrigger=
  84 subdirs=
  85 target_alias=
  86 target_makefile_frag=
  87 undefinedargs=
  88 version="$Revision$"
  89 x11=default
  90
  91 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  92
  93 ## this is a little touchy and won't always work, but...
  94 ##
  95 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  96 ## must) be used as is.
  97 ##
  98 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  99 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 100 ##
 101
 102 progname=$0
 103 # if PWD already has a value, it is probably wrong.
 104 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 105
 106 case "${progname}" in
 107 /*) ;;
 108 */*) ;;
 109 *)
 110         PATH=$PATH:${PWD=`pwd`} ; export PATH
 111         ;;
 112 esac
 113
 114 for arg in $*
 115 do
 116         # handle things that might have args following as separate words
 117         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 118         elif [ -n "${next_exec_prefix}" ] ; then
 119                 exec_prefix=${arg}
 120                 exec_prefixoption="-exec-prefix=${exec_prefix}"
 121                 next_exec_prefix=
 122         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
 123         # remove any possible trailing slash from srcdir.  See note below.
 124         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
 125         elif [ -n "${next_program_prefix}" ] ; then
 126                 program_prefix=${arg}
 127                 program_prefixoption="-program_prefix=${program_prefix}"
 128                 next_program_prefix=
 129         elif [ -n "${next_program_suffix}" ] ; then
 130                 program_suffix=${arg}
 131                 program_suffixoption="-program_suffix=${program_suffix}"
 132                 next_program_suffix=
 133         elif [ -n "${next_program_transform_name}" ] ; then
 134                 # Double any backslashes or dollar signs in the argument
 135                 if [ -n "${arg}" ] ; then
 136                         program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 137                 fi
 138                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
 139                 next_program_transform_name=
 140         elif [ -n "${next_target}" ] ; then
 141                 next_target=
 142                 case "${target_alias}" in
 143                 "")
 144                         target_alias="${arg}"
 145                         ;;
 146                 *)
 147                         echo '***' Can only configure for one target at a time.  1>&2
 148                         fatal=yes
 149                         ;;
 150                 esac
 151         elif [ -n "${next_tmpdir}" ] ; then
 152                 next_tmpdir=
 153                 tmpdiroption="--tmpdir=${arg}"
 154                 TMPDIR=${arg}
 155
 156         else
 157                 case ${arg} in
 158                 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=* | -exec-prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
 159                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 160                         exec_prefixoption=${arg}
 161                         ;;
 162                 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
 163                         next_exec_prefix=yes
 164                         ;;
 165                 -gas | --g*)
 166                         gas=yes
 167                         ;;
 168                 -help | --he*)
 169                         fatal=true
 170                         ;;
 171                 -host=* | --host=* | --hos=* | --ho=*)
 172                         case "${host_alias}" in
 173                         "")
 174                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 175                                 ;;
 176                         *)
 177                                 echo '***' Can only configure for one host at a time.  1>&2
 178                                 fatal=yes
 179                                 ;;
 180                         esac
 181                         ;;
 182                 -nfp | --nf*)
 183                         floating_point=no
 184                         ;;
 185                 -norecursion | --no*)
 186                         norecursion=true
 187                         ;;
 188                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 189                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 190                         prefixoption=${arg}
 191                         ;;
 192                 -prefix | --prefix | --prefi | --pref | --pre)
 193                         next_prefix=yes
 194                         ;;
 195                 -rm | --rm) removing=${arg} ;;
 196                 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | -program-prefix=* | --program-prefix=* | --program-prefi=* | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
 197                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 198                         program_prefixoption=${arg}
 199                         ;;
 200                 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | -program-prefix | --program-prefix | --program-prefi | --program-pref | --program-pre | --program-pr | --program-p)
 201                         next_program_prefix=yes
 202                         ;;
 203                 -program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=* | -program-suffix=* | --program-suffix=* | --program-suffi=* | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
 204                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 205                         program_suffixoption=${arg}
 206                         ;;
 207                 -program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s |-program-suffix | --program-suffix | --program-suffi | --program-suff | --program-suf | --program-su | --program-s)
 208                         next_program_suffix=yes
 209                         ;;
 210                 -program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=* | -program-transform-name=* | --program-transform-name=* | --program-transform-nam=* | --program-transform-na=* | --program-transform-n=* | --program-transform-=* | --program-transform=* | --program-transfor=* | --program-transfo=* | --program-transf=* | --program-trans=* | --program-tran=* | --program-tra=* | --program-tr=* | --program-t=*)
 211                         arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
 212                         # Double any \ or $ in the argument
 213                         if [ -n "${arg}" ] ; then
 214                                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 215                         fi
 216                         program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
 217                         ;;
 218                 -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
 219                         next_program_transform_name=yes
 220                         ;;
 221                 -site=* | --site=* | --sit=* | --si=*)
 222                         site_option=${arg}
 223                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 224                         ;;
 225                 -site | --site | --sit)
 226                         next_site=yes
 227                         ;;
 228                 # remove trailing slashes.  Otherwise, when the file name gets
 229                 # bolted into an object file as debug info, it has two slashes in
 230                 # it.  Ordinarily this is ok, but emacs takes double slash to
 231                 # mean "forget the first part".
 232                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 233                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 234                         ;;
 235                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 236                         next_srcdir=yes
 237                         ;;
 238                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 239                         case "${target_alias}" in
 240                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 241                         *)
 242                                 echo '***' Can only configure for one target at a time.  1>&2
 243                                 fatal=yes
 244                                 ;;
 245                         esac
 246                         ;;
 247                 -target | --target | --targe | --targ | --tar | --ta)
 248                         next_target=yes
 249                         ;;
 250                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 251                         tmpdiroption=${arg}
 252                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 253                         ;;
 254                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 255                         next_tmpdir=yes
 256                         ;;
 257                 -v | -verbose | --v)
 258                         redirect=
 259                         verbose=-v
 260                         ;;
 261                 -version | -V | --version | --V)
 262                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 263                         exit 0
 264                         ;;
 265                 -with*=* | --with*=*)
 266                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
 267                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
 268                         eval $withopt="$withval"
 269                         withoptions="$withoptions $arg"
 270                         ;;
 271                 -without* | --without*)
 272                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
 273                         eval $withopt=no
 274                         withoutoptions="$withoutoptions $arg"
 275                         ;;
 276                 -with* | --with*)
 277                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
 278                         eval $withopt=yes
 279                         withoptions="$withoptions $arg"
 280                         ;;
 281                 -x | --x) ;;
 282                 -* | --*)
 283                         (echo ;
 284                         echo "Unrecognized option: \"${arg}\"". ;
 285                         echo) 1>&2
 286                         fatal=true
 287                         ;;
 288                 *)
 289                         case "${undefs}" in
 290                         "")
 291                                 undefs="${arg}"
 292                                 ;;
 293                         *)
 294                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 295                                 fatal=yes
 296                                 ;;
 297                         esac
 298                         ;;
 299                 esac
 300         fi
 301 done
 302
 303 # process host and target
 304 case "${fatal}" in
 305 "")
 306 #       # Complain if an arg is missing
 307 #       if [ -z "${host_alias}" ] ; then
 308 #               (echo ;
 309 #               echo "configure: No HOST specified." ;
 310 #               echo) 1>&2
 311 #               fatal=true
 312 #       fi
 313
 314 ### This is a bit twisted.
 315 ### * if all three are specified, this is an error.
 316 ### * if we have neither hosts, nor unadorned args, this is an error.
 317 ### * if no hosts are specified, then the unadorned args are hosts, but if
 318 ### there were none, this is an error.
 319 ### * if no targets are specified, then the unadorned args are targets, but if
 320 ### there were no unadorned args, then the hosts are also targets.
 321
 322         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 323                 echo '***' Can only configure for one host and one target at a time.  1>&2
 324                 fatal=yes
 325         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 326                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 327                 if tmp_alias=`${guesssys}` ; then
 328                         echo "Configuring for a ${tmp_alias} host." 1>&2
 329                         host_alias=${tmp_alias}
 330                         case "${target_alias}" in
 331                         "") target_alias=${tmp_alias} ;;
 332                         *) ;;
 333                         esac
 334                         arguments="--host=${host_alias} ${arguments}"
 335                 else
 336                         echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 337                         fatal=yes
 338                 fi
 339         else
 340                 case "${host_alias}" in
 341                 "") host_alias=${undefs} ;;
 342                 *) ;;
 343                 esac
 344
 345                 case "${target_alias}" in
 346                 "")
 347                         case "${undefs}" in
 348                         "")     target_alias=${host_alias} ;;
 349                         *)      target_alias=${undefs} ;;
 350                         esac
 351                         ;;
 352                 *) ;;
 353                 esac
 354         fi
 355         ;;
 356 *) ;;
 357 esac
 358
 359 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 360         (echo "Usage: configure HOST" ;
 361         echo ;
 362         echo "Options: [defaults in brackets]" ;
 363         echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 364         echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 365         echo " --help                    print this message. [normal config]" ;
 366         echo " --norecursion             configure this directory only. [recurse]" ;
 367         echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 368         echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 369         echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 370         echo " --site=SITE               configure with site specific makefile for SITE" ;
 371         echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 372         echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 373         echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 374         echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
 375         echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
 376         echo " --without-FOO             specify that FOO is NOT available"
 377         echo ;
 378         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 379         echo ;
 380         ) 1>&2
 381         if [ -r config.status ] ; then
 382                 cat config.status
 383         fi
 384
 385         exit 1
 386 fi
 387
 388 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 389 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 390
 391 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 392 if ${configsub} sun4 >/dev/null 2>&1 ; then
 393         true
 394 else
 395         echo '***' cannot find config.sub.  1>&2
 396         exit 1
 397 fi
 398
 399 touch config.junk
 400 if ${moveifchange} config.junk config.trash ; then
 401         true
 402 else
 403         echo '***' cannot find move-if-change.  1>&2
 404         exit 1
 405 fi
 406 rm -f config.junk config.trash
 407
 408 case "${srcdir}" in
 409 "")
 410         if [ -r configure.in ] ; then
 411                 srcdir=.
 412         else
 413                 if [ -r ${progname}.in ] ; then
 414                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 415                 else
 416                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 417                         exit 1
 418                 fi
 419         fi
 420         ;;
 421 *) ;;
 422 esac
 423
 424 ### warn about some conflicting configurations.
 425
 426 case "${srcdir}" in
 427 ".") ;;
 428 *)
 429         if [ -f ${srcdir}/config.status ] ; then
 430                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 431                 exit 1
 432         fi
 433 esac
 434
 435 # default exec_prefix
 436 case "${exec_prefix}" in
 437 "") exec_prefix="\$(prefix)" ;;
 438 *) ;;
 439 esac
 440
 441 ### break up ${srcdir}/configure.in.
 442 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 443 "")
 444         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 445         exit 1
 446         ;;
 447 *) ;;
 448 esac
 449
 450 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 451 "")
 452         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 453         exit 1
 454         ;;
 455 *) ;;
 456 esac
 457
 458 case "${TMPDIR}" in
 459 "") TMPDIR=/tmp ; export TMPDIR ;;
 460 *) ;;
 461 esac
 462
 463 # keep this filename short for &%*%$*# 14 char file names
 464 tmpfile=${TMPDIR}/cONf$$
 465 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 466
 467 # split ${srcdir}/configure.in into common, per-host, per-target,
 468 # and post-target parts.  Post-target is optional.
 469 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 470 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 471 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 472   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 473   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 474 else
 475   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 476   echo >${tmpfile}.pos
 477 fi
 478
 479 ### do common part of configure.in
 480
 481 . ${tmpfile}.com
 482
 483 # some sanity checks on configure.in
 484 case "${srctrigger}" in
 485 "")
 486         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 487         exit 1
 488         ;;
 489 *) ;;
 490 esac
 491
 492 result=`${configsub} ${host_alias}`
 493 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 494 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 495 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 496 host=${host_cpu}-${host_vendor}-${host_os}
 497
 498 . ${tmpfile}.hst
 499
 500 result=`${configsub} ${target_alias}`
 501 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 502 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 503 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 504 target=${target_cpu}-${target_vendor}-${target_os}
 505
 506 . ${tmpfile}.tgt
 507
 508 # Find the source files, if location was not specified.
 509 case "${srcdir}" in
 510 "")
 511         srcdirdefaulted=1
 512         srcdir=.
 513         if [ ! -r ${srctrigger} ] ; then
 514                 srcdir=..
 515         fi
 516         ;;
 517 *) ;;
 518 esac
 519
 520 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 521         case "${srcdirdefaulted}" in
 522         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 523         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 524         esac
 525
 526         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 527         exit 1
 528 fi
 529
 530 # Some systems (e.g., one of the i386-aix systems the gas testers are
 531 # using) don't handle "\$" correctly, so don't use it here.
 532 tooldir='$(exec_prefix)'/${target_alias}
 533
 534 if [ "${host_alias}" != "${target_alias}" ] ; then
 535     if [ "${program_prefixoption}" = "" ] ; then
 536         if [ "${program_suffixoption}" = "" ] ; then
 537             if [ "${program_transform_nameoption}" = "" ] ; then
 538                 program_prefix=${target_alias}- ;
 539             fi
 540         fi
 541     fi
 542 fi
 543
 544 # Merge program_prefix and program_suffix onto program_transform_name
 545 # Use a double $ so that make ignores it
 546 if [ "${program_suffix}" != "" ] ; then
 547     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 548 fi
 549
 550 if [ "${program_prefix}" != "" ] ; then
 551     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 552 fi
 553
 554 for subdir in . ${subdirs} ; do
 555
 556     # ${subdir} is relative path from . to the directory we're currently
 557     # configuring.
 558     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 559     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 560
 561     ### figure out what to do with srcdir
 562     case "${srcdir}" in
 563         ".")  # no -srcdir option.  We're building in place.
 564                 makesrcdir=. ;;
 565         /*) # absolute path
 566                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 567                 ;;
 568         *) # otherwise relative
 569                 case "${subdir}" in
 570                 .) makesrcdir=${srcdir} ;;
 571                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 572                 esac
 573                 ;;
 574     esac
 575
 576     if [ "${subdir}/" != "./" ] ; then
 577         Makefile=${subdir}/Makefile
 578     fi
 579
 580     if [ ! -d ${subdir} ] ; then
 581         if mkdir ${subdir} ; then
 582                 true
 583         else
 584                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 585                 exit 1
 586         fi
 587     fi
 588
 589     case "${removing}" in
 590     "")
 591         case "${subdir}" in
 592         .) ;;
 593         *) eval echo Building in ${subdir} ${redirect} ;;
 594         esac
 595
 596         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 597         # Set up the list of links to be made.
 598         # ${links} is the list of link names, and ${files} is the list of names to link to.
 599
 600         # Make the links.
 601         configlinks="${links}"
 602         if [ -r ${subdir}/config.status ] ; then
 603                 mv -f ${subdir}/config.status ${subdir}/config.back
 604         fi
 605         while [ -n "${files}" ] ; do
 606                 # set file to car of files, files to cdr of files
 607                 set ${files}; file=$1; shift; files=$*
 608                 set ${links}; link=$1; shift; links=$*
 609
 610                 if [ ! -r ${srcdir}/${file} ] ; then
 611                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 612                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 613                         exit 1
 614                 fi
 615
 616                 ${remove} -f ${link}
 617                 # Make a symlink if possible, otherwise try a hard link
 618                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 619
 620                 if [ ! -r ${link} ] ; then
 621                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 622                         exit 1
 623                 fi
 624
 625                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 626         done
 627
 628         # Create a .gdbinit file which runs the one in srcdir
 629         # and tells GDB to look there for source files.
 630
 631         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 632                 case ${srcdir} in
 633                 .) ;;
 634                 *) cat > ${subdir}/.gdbinit <<EOF
 635 # ${NO_EDIT}
 636 dir .
 637 dir ${makesrcdir}
 638 source ${makesrcdir}/.gdbinit
 639 EOF
 640                         ;;
 641                 esac
 642         fi
 643
 644         # Install a makefile, and make it set VPATH
 645         # if necessary so that the sources are found.
 646         # Also change its value of srcdir.
 647         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 648         # been somewhat optimized and is perhaps a bit twisty.
 649
 650         # code is order so as to try to sed the smallest input files we know.
 651
 652         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 653         # package, target, host, and site.  so do these separately because I don't trust the
 654         #  order of sed -e expressions.
 655
 656         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 657
 658             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 659             rm -f ${subdir}/Makefile.tem
 660               case "${site}" in
 661               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 662               *)
 663                       site_makefile_frag=${srcdir}/config/ms-${site}
 664
 665                       if [ -f ${site_makefile_frag} ] ; then
 666                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 667                                       > ${subdir}/Makefile.tem
 668                       else
 669                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 670                               site_makefile_frag=
 671                       fi
 672                       ;;
 673             esac
 674             # working copy now in ${subdir}/Makefile.tem
 675
 676             # Conditionalize the makefile for this host.
 677             rm -f ${Makefile}
 678             case "${host_makefile_frag}" in
 679               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 680               *)
 681                       if [ ! -f ${host_makefile_frag} ] ; then
 682                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 683                       fi
 684                       if [ -f ${host_makefile_frag} ] ; then
 685                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 686                       else
 687                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 688                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 689                               mv ${subdir}/Makefile.tem ${Makefile}
 690                       fi
 691             esac
 692             # working copy now in ${Makefile}
 693
 694             # Conditionalize the makefile for this target.
 695             rm -f ${subdir}/Makefile.tem
 696             case "${target_makefile_frag}" in
 697               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 698               *)
 699                       if [ ! -f ${target_makefile_frag} ] ; then
 700                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 701                       fi
 702                       if [ -f ${target_makefile_frag} ] ; then
 703                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 704                       else
 705                               mv ${Makefile} ${subdir}/Makefile.tem
 706                               target_makefile_frag=
 707                       fi
 708                       ;;
 709             esac
 710             # real copy now in ${subdir}/Makefile.tem
 711
 712             # Conditionalize the makefile for this package.
 713             rm -f ${Makefile}
 714             case "${package_makefile_frag}" in
 715               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 716               *)
 717                       if [ ! -f ${package_makefile_frag} ] ; then
 718                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 719                       fi
 720                       if [ -f ${package_makefile_frag} ] ; then
 721                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 722                       else
 723                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 724                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 725                               mv ${subdir}/Makefile.tem ${Makefile}
 726                       fi
 727             esac
 728             # working copy now in ${Makefile}
 729
 730             mv ${Makefile} ${subdir}/Makefile.tem
 731
 732             # real copy now in ${subdir}/Makefile.tem
 733
 734             # prepend warning about editting, and a bunch of variables.
 735             rm -f ${Makefile}
 736             cat > ${Makefile} <<EOF
 737 # ${NO_EDIT}
 738 VPATH = ${makesrcdir}
 739 links = ${configlinks}
 740 host_alias = ${host_alias}
 741 host_cpu = ${host_cpu}
 742 host_vendor = ${host_vendor}
 743 host_os = ${host_os}
 744 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 745 target_alias = ${target_alias}
 746 target_cpu = ${target_cpu}
 747 target_vendor = ${target_vendor}
 748 target_os = ${target_os}
 749 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 750 EOF
 751             case "${package_makefile_frag}" in
 752               "") ;;
 753               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 754               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 755             esac
 756
 757             case "${target_makefile_frag}" in
 758               "") ;;
 759               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 760               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 761             esac
 762
 763             case "${host_makefile_frag}" in
 764               "") ;;
 765               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 766               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 767             esac
 768
 769             if [ "${site_makefile_frag}" != "" ] ; then
 770                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 771             fi
 772
 773             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 774             # remove any form feeds.
 775             if [ -z "${subdirs}" ]; then
 776                 rm -f ${subdir}/Makefile.tem2
 777                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 778                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 779                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 780                 rm -f ${subdir}/Makefile.tem
 781                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 782             fi
 783             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 784                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 785                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 786                     -e "s/\f//" \
 787                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 788                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 789                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 790                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 791                     ${subdir}/Makefile.tem >> ${Makefile}
 792             # final copy now in ${Makefile}
 793
 794         else
 795            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 796         fi
 797
 798         rm -f ${subdir}/Makefile.tem
 799
 800         case "${host_makefile_frag}" in
 801         "") using= ;;
 802         *) using="and \"${host_makefile_frag}\"" ;;
 803         esac
 804
 805         case "${target_makefile_frag}" in
 806         "") ;;
 807         *) using="${using} and \"${target_makefile_frag}\"" ;;
 808         esac
 809
 810         case "${site_makefile_frag}" in
 811         "") ;;
 812         *) using="${using} and \"${site_makefile_frag}\"" ;;
 813         esac
 814
 815         newusing=`echo "${using}" | sed 's/and/using/'`
 816         using=${newusing}
 817         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 818
 819         . ${tmpfile}.pos
 820
 821         # describe the chosen configuration in config.status.
 822         # Make that file a shellscript which will reestablish
 823         # the same configuration.  Used in Makefiles to rebuild
 824         # Makefiles.
 825
 826         case "${norecursion}" in
 827         "") arguments="${arguments} -norecursion" ;;
 828         *) ;;
 829         esac
 830
 831         if [ ${subdir} = . ] ; then
 832             echo "#!/bin/sh
 833 # ${NO_EDIT}
 834 # This directory was configured as follows:
 835 ${progname}" ${arguments}  "
 836 # ${using}" > ${subdir}/config.new
 837         else
 838             echo "#!/bin/sh
 839 # ${NO_EDIT}
 840 # This directory was configured as follows:
 841 cd ${invsubdir}
 842 ${progname}" ${arguments}  "
 843 # ${using}" > ${subdir}/config.new
 844         fi
 845         chmod a+x ${subdir}/config.new
 846         if [ -r ${subdir}/config.back ] ; then
 847                 mv -f ${subdir}/config.back ${subdir}/config.status
 848         fi
 849         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 850         ;;
 851
 852     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 853     esac
 854 done
 855
 856 # If there are subdirectories, then recur.
 857 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 858         for configdir in ${configdirs} ; do
 859
 860                 if [ -d ${srcdir}/${configdir} ] ; then
 861                         eval echo Configuring ${configdir}... ${redirect}
 862                         case "${srcdir}" in
 863                         ".") ;;
 864                         *)
 865                                 if [ ! -d ./${configdir} ] ; then
 866                                         if mkdir ./${configdir} ; then
 867                                                 true
 868                                         else
 869                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 870                                                 exit 1
 871                                         fi
 872                                 fi
 873                                 ;;
 874                         esac
 875
 876                         POPDIR=${PWD=`pwd`}
 877                         cd ${configdir}
 878
 879 ### figure out what to do with srcdir
 880                         case "${srcdir}" in
 881                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 882                         /*) # absolute path
 883                                 newsrcdir=${srcdir}/${configdir}
 884                                 srcdiroption="-srcdir=${newsrcdir}"
 885                                 ;;
 886                         *) # otherwise relative
 887                                 newsrcdir=../${srcdir}/${configdir}
 888                                 srcdiroption="-srcdir=${newsrcdir}"
 889                                 ;;
 890                         esac
 891
 892 ### check for guested configure, otherwise fix possibly relative progname
 893                         if [ -f ${newsrcdir}/configure ] ; then
 894                                 recprog=${newsrcdir}/configure
 895                         else
 896                                 case "${progname}" in
 897                                 /*)     recprog=${progname} ;;
 898                                 *)      recprog=../${progname} ;;
 899                                 esac
 900                         fi
 901
 902 ### The recursion line is here.
 903                         if eval ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 904                                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 905                                 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 906                                 true
 907                         else
 908                                 exit 1
 909                         fi
 910
 911                         cd ${POPDIR}
 912                 fi
 913         done
 914 fi
 915
 916 exit 0
 917
 918 #
 919 # Local Variables:
 920 # fill-column: 131
 921 # End:
 922 #
 923
 924 # end of configure