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 ### we might need to use some other shell than /bin/sh for running subshells
  92 #
  93 config_shell=${CONFIG_SHELL-}
  94
  95 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  96
  97 ## this is a little touchy and won't always work, but...
  98 ##
  99 ## if the argv[0] starts with a slash then it is an absolute name that can (and
 100 ## must) be used as is.
 101 ##
 102 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
 103 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 104 ##
 105
 106 progname=$0
 107 # if PWD already has a value, it is probably wrong.
 108 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 109
 110 case "${progname}" in
 111 /*) ;;
 112 */*) ;;
 113 *)
 114         PATH=$PATH:${PWD=`pwd`} ; export PATH
 115         ;;
 116 esac
 117
 118 for arg in $*
 119 do
 120         # handle things that might have args following as separate words
 121         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 122         elif [ -n "${next_exec_prefix}" ] ; then
 123                 exec_prefix=${arg}
 124                 exec_prefixoption="-exec-prefix=${exec_prefix}"
 125                 next_exec_prefix=
 126         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
 127         # remove any possible trailing slash from srcdir.  See note below.
 128         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
 129         elif [ -n "${next_program_prefix}" ] ; then
 130                 program_prefix=${arg}
 131                 program_prefixoption="-program_prefix=${program_prefix}"
 132                 next_program_prefix=
 133         elif [ -n "${next_program_suffix}" ] ; then
 134                 program_suffix=${arg}
 135                 program_suffixoption="-program_suffix=${program_suffix}"
 136                 next_program_suffix=
 137         elif [ -n "${next_program_transform_name}" ] ; then
 138                 # Double any backslashes or dollar signs in the argument
 139                 if [ -n "${arg}" ] ; then
 140                         program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 141                 fi
 142                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
 143                 next_program_transform_name=
 144         elif [ -n "${next_target}" ] ; then
 145                 next_target=
 146                 case "${target_alias}" in
 147                 "")
 148                         target_alias="${arg}"
 149                         ;;
 150                 *)
 151                         echo '***' Can only configure for one target at a time.  1>&2
 152                         fatal=yes
 153                         ;;
 154                 esac
 155         elif [ -n "${next_tmpdir}" ] ; then
 156                 next_tmpdir=
 157                 tmpdiroption="--tmpdir=${arg}"
 158                 TMPDIR=${arg}
 159
 160         else
 161                 case ${arg} in
 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                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 164                         exec_prefixoption=${arg}
 165                         ;;
 166                 -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-)
 167                         next_exec_prefix=yes
 168                         ;;
 169                 -gas | --g*)
 170                         gas=yes
 171                         ;;
 172                 -help | --he*)
 173                         fatal=true
 174                         ;;
 175                 -host=* | --host=* | --hos=* | --ho=*)
 176                         case "${host_alias}" in
 177                         "")
 178                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 179                                 ;;
 180                         *)
 181                                 echo '***' Can only configure for one host at a time.  1>&2
 182                                 fatal=yes
 183                                 ;;
 184                         esac
 185                         ;;
 186                 -nfp | --nf*)
 187                         floating_point=no
 188                         ;;
 189                 -norecursion | --no*)
 190                         norecursion=true
 191                         ;;
 192                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 193                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 194                         prefixoption=${arg}
 195                         ;;
 196                 -prefix | --prefix | --prefi | --pref | --pre)
 197                         next_prefix=yes
 198                         ;;
 199                 -rm | --rm) removing=${arg} ;;
 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                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 202                         program_prefixoption=${arg}
 203                         ;;
 204                 -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)
 205                         next_program_prefix=yes
 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                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 209                         program_suffixoption=${arg}
 210                         ;;
 211                 -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)
 212                         next_program_suffix=yes
 213                         ;;
 214                 -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=*)
 215                         arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
 216                         # Double any \ or $ in the argument
 217                         if [ -n "${arg}" ] ; then
 218                                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 219                         fi
 220                         program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
 221                         ;;
 222                 -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)
 223                         next_program_transform_name=yes
 224                         ;;
 225                 -site=* | --site=* | --sit=* | --si=*)
 226                         site_option=${arg}
 227                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 228                         ;;
 229                 -site | --site | --sit)
 230                         next_site=yes
 231                         ;;
 232                 # remove trailing slashes.  Otherwise, when the file name gets
 233                 # bolted into an object file as debug info, it has two slashes in
 234                 # it.  Ordinarily this is ok, but emacs takes double slash to
 235                 # mean "forget the first part".
 236                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 237                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 238                         ;;
 239                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 240                         next_srcdir=yes
 241                         ;;
 242                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 243                         case "${target_alias}" in
 244                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 245                         *)
 246                                 echo '***' Can only configure for one target at a time.  1>&2
 247                                 fatal=yes
 248                                 ;;
 249                         esac
 250                         ;;
 251                 -target | --target | --targe | --targ | --tar | --ta)
 252                         next_target=yes
 253                         ;;
 254                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 255                         tmpdiroption=${arg}
 256                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 257                         ;;
 258                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 259                         next_tmpdir=yes
 260                         ;;
 261                 -v | -verbose | --v)
 262                         redirect=
 263                         verbose=-v
 264                         ;;
 265                 -version | -V | --version | --V)
 266                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 267                         exit 0
 268                         ;;
 269                 -with*=* | --with*=*)
 270                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
 271                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
 272                         eval $withopt="$withval"
 273                         withoptions="$withoptions $arg"
 274                         ;;
 275                 -without* | --without*)
 276                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
 277                         eval $withopt=no
 278                         withoutoptions="$withoutoptions $arg"
 279                         ;;
 280                 -with* | --with*)
 281                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
 282                         eval $withopt=yes
 283                         withoptions="$withoptions $arg"
 284                         ;;
 285                 -x | --x) ;;
 286                 -* | --*)
 287                         (echo ;
 288                         echo "Unrecognized option: \"${arg}\"". ;
 289                         echo) 1>&2
 290                         fatal=true
 291                         ;;
 292                 *)
 293                         case "${undefs}" in
 294                         "")
 295                                 undefs="${arg}"
 296                                 ;;
 297                         *)
 298                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 299                                 fatal=yes
 300                                 ;;
 301                         esac
 302                         ;;
 303                 esac
 304         fi
 305 done
 306
 307 # process host and target
 308 case "${fatal}" in
 309 "")
 310 #       # Complain if an arg is missing
 311 #       if [ -z "${host_alias}" ] ; then
 312 #               (echo ;
 313 #               echo "configure: No HOST specified." ;
 314 #               echo) 1>&2
 315 #               fatal=true
 316 #       fi
 317
 318 ### This is a bit twisted.
 319 ### * if all three are specified, this is an error.
 320 ### * if we have neither hosts, nor unadorned args, this is an error.
 321 ### * if no hosts are specified, then the unadorned args are hosts, but if
 322 ### there were none, this is an error.
 323 ### * if no targets are specified, then the unadorned args are targets, but if
 324 ### there were no unadorned args, then the hosts are also targets.
 325
 326         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 327                 echo '***' Can only configure for one host and one target at a time.  1>&2
 328                 fatal=yes
 329         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 330                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 331                 if tmp_alias=`${guesssys}` ; then
 332                         echo "Configuring for a ${tmp_alias} host." 1>&2
 333                         host_alias=${tmp_alias}
 334                         case "${target_alias}" in
 335                         "") target_alias=${tmp_alias} ;;
 336                         *) ;;
 337                         esac
 338                         arguments="--host=${host_alias} ${arguments}"
 339                 else
 340                         echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 341                         fatal=yes
 342                 fi
 343         else
 344                 case "${host_alias}" in
 345                 "") host_alias=${undefs} ;;
 346                 *) ;;
 347                 esac
 348
 349                 case "${target_alias}" in
 350                 "")
 351                         case "${undefs}" in
 352                         "")     target_alias=${host_alias} ;;
 353                         *)      target_alias=${undefs} ;;
 354                         esac
 355                         ;;
 356                 *) ;;
 357                 esac
 358         fi
 359         ;;
 360 *) ;;
 361 esac
 362
 363 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 364         (echo "Usage: configure HOST" ;
 365         echo ;
 366         echo "Options: [defaults in brackets]" ;
 367         echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 368         echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 369         echo " --help                    print this message. [normal config]" ;
 370         echo " --norecursion             configure this directory only. [recurse]" ;
 371         echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 372         echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 373         echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 374         echo " --site=SITE               configure with site specific makefile for SITE" ;
 375         echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 376         echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 377         echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 378         echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
 379         echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
 380         echo " --without-FOO             specify that FOO is NOT available"
 381         echo ;
 382         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 383         echo ;
 384         ) 1>&2
 385         if [ -r config.status ] ; then
 386                 cat config.status
 387         fi
 388
 389         exit 1
 390 fi
 391
 392 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 393 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 394
 395 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 396 if ${configsub} sun4 >/dev/null 2>&1 ; then
 397         true
 398 else
 399         echo '***' cannot find config.sub.  1>&2
 400         exit 1
 401 fi
 402
 403 touch config.junk
 404 if ${moveifchange} config.junk config.trash ; then
 405         true
 406 else
 407         echo '***' cannot find move-if-change.  1>&2
 408         exit 1
 409 fi
 410 rm -f config.junk config.trash
 411
 412 case "${srcdir}" in
 413 "")
 414         if [ -r configure.in ] ; then
 415                 srcdir=.
 416         else
 417                 if [ -r ${progname}.in ] ; then
 418                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 419                 else
 420                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 421                         exit 1
 422                 fi
 423         fi
 424         ;;
 425 *) ;;
 426 esac
 427
 428 ### warn about some conflicting configurations.
 429
 430 case "${srcdir}" in
 431 ".") ;;
 432 *)
 433         if [ -f ${srcdir}/config.status ] ; then
 434                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 435                 exit 1
 436         fi
 437 esac
 438
 439 # default exec_prefix
 440 case "${exec_prefix}" in
 441 "") exec_prefix="\$(prefix)" ;;
 442 *) ;;
 443 esac
 444
 445 ### break up ${srcdir}/configure.in.
 446 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 447 "")
 448         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 449         exit 1
 450         ;;
 451 *) ;;
 452 esac
 453
 454 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 455 "")
 456         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 457         exit 1
 458         ;;
 459 *) ;;
 460 esac
 461
 462 case "${TMPDIR}" in
 463 "") TMPDIR=/tmp ; export TMPDIR ;;
 464 *) ;;
 465 esac
 466
 467 # keep this filename short for &%*%$*# 14 char file names
 468 tmpfile=${TMPDIR}/cONf$$
 469 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 470
 471 # split ${srcdir}/configure.in into common, per-host, per-target,
 472 # and post-target parts.  Post-target is optional.
 473 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 474 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 475 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 476   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 477   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 478 else
 479   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 480   echo >${tmpfile}.pos
 481 fi
 482
 483 ### do common part of configure.in
 484
 485 . ${tmpfile}.com
 486
 487 # some sanity checks on configure.in
 488 case "${srctrigger}" in
 489 "")
 490         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 491         exit 1
 492         ;;
 493 *) ;;
 494 esac
 495
 496 result=`${configsub} ${host_alias}`
 497 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 498 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 499 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 500 host=${host_cpu}-${host_vendor}-${host_os}
 501
 502 . ${tmpfile}.hst
 503
 504 result=`${configsub} ${target_alias}`
 505 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 506 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 507 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 508 target=${target_cpu}-${target_vendor}-${target_os}
 509
 510 . ${tmpfile}.tgt
 511
 512 # Find the source files, if location was not specified.
 513 case "${srcdir}" in
 514 "")
 515         srcdirdefaulted=1
 516         srcdir=.
 517         if [ ! -r ${srctrigger} ] ; then
 518                 srcdir=..
 519         fi
 520         ;;
 521 *) ;;
 522 esac
 523
 524 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 525         case "${srcdirdefaulted}" in
 526         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 527         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 528         esac
 529
 530         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 531         exit 1
 532 fi
 533
 534 # Some systems (e.g., one of the i386-aix systems the gas testers are
 535 # using) don't handle "\$" correctly, so don't use it here.
 536 tooldir='$(exec_prefix)'/${target_alias}
 537
 538 if [ "${host_alias}" != "${target_alias}" ] ; then
 539     if [ "${program_prefixoption}" = "" ] ; then
 540         if [ "${program_suffixoption}" = "" ] ; then
 541             if [ "${program_transform_nameoption}" = "" ] ; then
 542                 program_prefix=${target_alias}- ;
 543             fi
 544         fi
 545     fi
 546 fi
 547
 548 # Merge program_prefix and program_suffix onto program_transform_name
 549 # Use a double $ so that make ignores it
 550 if [ "${program_suffix}" != "" ] ; then
 551     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 552 fi
 553
 554 if [ "${program_prefix}" != "" ] ; then
 555     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 556 fi
 557
 558 for subdir in . ${subdirs} ; do
 559
 560     # ${subdir} is relative path from . to the directory we're currently
 561     # configuring.
 562     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 563     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 564
 565     ### figure out what to do with srcdir
 566     case "${srcdir}" in
 567         ".")  # no -srcdir option.  We're building in place.
 568                 makesrcdir=. ;;
 569         /*) # absolute path
 570                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 571                 ;;
 572         *) # otherwise relative
 573                 case "${subdir}" in
 574                 .) makesrcdir=${srcdir} ;;
 575                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 576                 esac
 577                 ;;
 578     esac
 579
 580     if [ "${subdir}/" != "./" ] ; then
 581         Makefile=${subdir}/Makefile
 582     fi
 583
 584     if [ ! -d ${subdir} ] ; then
 585         if mkdir ${subdir} ; then
 586                 true
 587         else
 588                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 589                 exit 1
 590         fi
 591     fi
 592
 593     case "${removing}" in
 594     "")
 595         case "${subdir}" in
 596         .) ;;
 597         *) eval echo Building in ${subdir} ${redirect} ;;
 598         esac
 599
 600         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 601         # Set up the list of links to be made.
 602         # ${links} is the list of link names, and ${files} is the list of names to link to.
 603
 604         # Make the links.
 605         configlinks="${links}"
 606         if [ -r ${subdir}/config.status ] ; then
 607                 mv -f ${subdir}/config.status ${subdir}/config.back
 608         fi
 609         while [ -n "${files}" ] ; do
 610                 # set file to car of files, files to cdr of files
 611                 set ${files}; file=$1; shift; files=$*
 612                 set ${links}; link=$1; shift; links=$*
 613
 614                 if [ ! -r ${srcdir}/${file} ] ; then
 615                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 616                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 617                         exit 1
 618                 fi
 619
 620                 ${remove} -f ${link}
 621                 # Make a symlink if possible, otherwise try a hard link
 622                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 623
 624                 if [ ! -r ${link} ] ; then
 625                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 626                         exit 1
 627                 fi
 628
 629                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 630         done
 631
 632         # Create a .gdbinit file which runs the one in srcdir
 633         # and tells GDB to look there for source files.
 634
 635         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 636                 case ${srcdir} in
 637                 .) ;;
 638                 *) cat > ${subdir}/.gdbinit <<EOF
 639 # ${NO_EDIT}
 640 dir .
 641 dir ${makesrcdir}
 642 source ${makesrcdir}/.gdbinit
 643 EOF
 644                         ;;
 645                 esac
 646         fi
 647
 648         # Install a makefile, and make it set VPATH
 649         # if necessary so that the sources are found.
 650         # Also change its value of srcdir.
 651         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 652         # been somewhat optimized and is perhaps a bit twisty.
 653
 654         # code is order so as to try to sed the smallest input files we know.
 655
 656         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 657         # package, target, host, and site.  so do these separately because I don't trust the
 658         #  order of sed -e expressions.
 659
 660         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 661
 662             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 663             rm -f ${subdir}/Makefile.tem
 664               case "${site}" in
 665               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 666               *)
 667                       site_makefile_frag=${srcdir}/config/ms-${site}
 668
 669                       if [ -f ${site_makefile_frag} ] ; then
 670                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 671                                       > ${subdir}/Makefile.tem
 672                       else
 673                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 674                               site_makefile_frag=
 675                       fi
 676                       ;;
 677             esac
 678             # working copy now in ${subdir}/Makefile.tem
 679
 680             # Conditionalize the makefile for this host.
 681             rm -f ${Makefile}
 682             case "${host_makefile_frag}" in
 683               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 684               *)
 685                       if [ ! -f ${host_makefile_frag} ] ; then
 686                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 687                       fi
 688                       if [ -f ${host_makefile_frag} ] ; then
 689                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 690                       else
 691                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 692                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 693                               mv ${subdir}/Makefile.tem ${Makefile}
 694                       fi
 695             esac
 696             # working copy now in ${Makefile}
 697
 698             # Conditionalize the makefile for this target.
 699             rm -f ${subdir}/Makefile.tem
 700             case "${target_makefile_frag}" in
 701               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 702               *)
 703                       if [ ! -f ${target_makefile_frag} ] ; then
 704                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 705                       fi
 706                       if [ -f ${target_makefile_frag} ] ; then
 707                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 708                       else
 709                               mv ${Makefile} ${subdir}/Makefile.tem
 710                               target_makefile_frag=
 711                       fi
 712                       ;;
 713             esac
 714             # real copy now in ${subdir}/Makefile.tem
 715
 716             # Conditionalize the makefile for this package.
 717             rm -f ${Makefile}
 718             case "${package_makefile_frag}" in
 719               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 720               *)
 721                       if [ ! -f ${package_makefile_frag} ] ; then
 722                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 723                       fi
 724                       if [ -f ${package_makefile_frag} ] ; then
 725                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 726                       else
 727                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 728                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 729                               mv ${subdir}/Makefile.tem ${Makefile}
 730                       fi
 731             esac
 732             # working copy now in ${Makefile}
 733
 734             mv ${Makefile} ${subdir}/Makefile.tem
 735
 736             # real copy now in ${subdir}/Makefile.tem
 737
 738             # prepend warning about editting, and a bunch of variables.
 739             rm -f ${Makefile}
 740             cat > ${Makefile} <<EOF
 741 # ${NO_EDIT}
 742 VPATH = ${makesrcdir}
 743 links = ${configlinks}
 744 host_alias = ${host_alias}
 745 host_cpu = ${host_cpu}
 746 host_vendor = ${host_vendor}
 747 host_os = ${host_os}
 748 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 749 target_alias = ${target_alias}
 750 target_cpu = ${target_cpu}
 751 target_vendor = ${target_vendor}
 752 target_os = ${target_os}
 753 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 754 EOF
 755             case "${package_makefile_frag}" in
 756               "") ;;
 757               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 758               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 759             esac
 760
 761             case "${target_makefile_frag}" in
 762               "") ;;
 763               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 764               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 765             esac
 766
 767             case "${host_makefile_frag}" in
 768               "") ;;
 769               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 770               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 771             esac
 772
 773             if [ "${site_makefile_frag}" != "" ] ; then
 774                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 775             fi
 776
 777             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 778             # remove any form feeds.
 779             if [ -z "${subdirs}" ]; then
 780                 rm -f ${subdir}/Makefile.tem2
 781                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 782                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 783                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 784                 rm -f ${subdir}/Makefile.tem
 785                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 786             fi
 787             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 788                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 789                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 790                     -e "s/\f//" \
 791                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 792                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 793                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 794                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 795                     ${subdir}/Makefile.tem >> ${Makefile}
 796             # final copy now in ${Makefile}
 797
 798         else
 799            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 800         fi
 801
 802         rm -f ${subdir}/Makefile.tem
 803
 804         case "${host_makefile_frag}" in
 805         "") using= ;;
 806         *) using="and \"${host_makefile_frag}\"" ;;
 807         esac
 808
 809         case "${target_makefile_frag}" in
 810         "") ;;
 811         *) using="${using} and \"${target_makefile_frag}\"" ;;
 812         esac
 813
 814         case "${site_makefile_frag}" in
 815         "") ;;
 816         *) using="${using} and \"${site_makefile_frag}\"" ;;
 817         esac
 818
 819         newusing=`echo "${using}" | sed 's/and/using/'`
 820         using=${newusing}
 821         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 822
 823         . ${tmpfile}.pos
 824
 825         # describe the chosen configuration in config.status.
 826         # Make that file a shellscript which will reestablish
 827         # the same configuration.  Used in Makefiles to rebuild
 828         # Makefiles.
 829
 830         case "${norecursion}" in
 831         "") arguments="${arguments} -norecursion" ;;
 832         *) ;;
 833         esac
 834
 835         if [ ${subdir} = . ] ; then
 836             echo "#!/bin/sh
 837 # ${NO_EDIT}
 838 # This directory was configured as follows:
 839 ${progname}" ${arguments}  "
 840 # ${using}" > ${subdir}/config.new
 841         else
 842             echo "#!/bin/sh
 843 # ${NO_EDIT}
 844 # This directory was configured as follows:
 845 cd ${invsubdir}
 846 ${progname}" ${arguments}  "
 847 # ${using}" > ${subdir}/config.new
 848         fi
 849         chmod a+x ${subdir}/config.new
 850         if [ -r ${subdir}/config.back ] ; then
 851                 mv -f ${subdir}/config.back ${subdir}/config.status
 852         fi
 853         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 854         ;;
 855
 856     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 857     esac
 858 done
 859
 860 # If there are subdirectories, then recur.
 861 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 862         for configdir in ${configdirs} ; do
 863
 864                 if [ -d ${srcdir}/${configdir} ] ; then
 865                         eval echo Configuring ${configdir}... ${redirect}
 866                         case "${srcdir}" in
 867                         ".") ;;
 868                         *)
 869                                 if [ ! -d ./${configdir} ] ; then
 870                                         if mkdir ./${configdir} ; then
 871                                                 true
 872                                         else
 873                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 874                                                 exit 1
 875                                         fi
 876                                 fi
 877                                 ;;
 878                         esac
 879
 880                         POPDIR=${PWD=`pwd`}
 881                         cd ${configdir}
 882
 883 ### figure out what to do with srcdir
 884                         case "${srcdir}" in
 885                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 886                         /*) # absolute path
 887                                 newsrcdir=${srcdir}/${configdir}
 888                                 srcdiroption="-srcdir=${newsrcdir}"
 889                                 ;;
 890                         *) # otherwise relative
 891                                 newsrcdir=../${srcdir}/${configdir}
 892                                 srcdiroption="-srcdir=${newsrcdir}"
 893                                 ;;
 894                         esac
 895
 896 ### check for guested configure, otherwise fix possibly relative progname
 897                         if [ -f ${newsrcdir}/configure ] ; then
 898                                 recprog=${newsrcdir}/configure
 899                         elif [ -f ${newsrcdir}/configure.in ] ; then
 900                                 case "${progname}" in
 901                                 /*)     recprog=${progname} ;;
 902                                 *)      recprog=../${progname} ;;
 903                                 esac
 904                         else
 905                                 echo No configuration information in ${configdir} ${redirect}
 906                                 recprog=
 907                         fi
 908
 909 ### The recursion line is here.
 910                         if [ ! -z "${recprog}" ] ; then
 911                                 if eval ${config_shell} ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 912                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 913                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 914                                         true
 915                                 else
 916                                         exit 1
 917                                 fi
 918                         fi
 919
 920                         cd ${POPDIR}
 921                 fi
 922         done
 923 fi
 924
 925 exit 0
 926
 927 #
 928 # Local Variables:
 929 # fill-column: 131
 930 # End:
 931 #
 932
 933 # end of configure