configure

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