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_host}" ] ; then
 156                 next_host=
 157                 case "${host_alias}" in
 158                 "")
 159                         host_alias="${arg}"
 160                         ;;
 161                 *)
 162                         echo '***' Can only configure for one host at a time.  1>&2
 163                         fatal=yes
 164                         ;;
 165                 esac
 166         elif [ -n "${next_tmpdir}" ] ; then
 167                 next_tmpdir=
 168                 tmpdiroption="--tmpdir=${arg}"
 169                 TMPDIR=${arg}
 170
 171         else
 172                 case ${arg} in
 173                 -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-=* )
 174                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 175                         exec_prefixoption=${arg}
 176                         ;;
 177                 -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-)
 178                         next_exec_prefix=yes
 179                         ;;
 180                 -gas | --g*)
 181                         gas=yes
 182                         ;;
 183                 -help | --he*)
 184                         fatal=true
 185                         ;;
 186                 -host=* | --host=* | --hos=* | --ho=*)
 187                         case "${host_alias}" in
 188                         "")
 189                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 190                                 ;;
 191                         *)
 192                                 echo '***' Can only configure for one host at a time.  1>&2
 193                                 fatal=yes
 194                                 ;;
 195                         esac
 196                         ;;
 197                 -host=* | --host | --hos | --ho)
 198                         case "${host_alias}" in
 199                         "")
 200                                 next_host=yes
 201                                 ;;
 202                         *)
 203                                 echo '***' Can only configure for one host at a time.  1>&2
 204                                 fatal=yes
 205                                 ;;
 206                         esac
 207                         ;;
 208                 -nfp | --nf*)
 209                         floating_point=no
 210                         ;;
 211                 -norecursion | --no*)
 212                         norecursion=true
 213                         ;;
 214                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 215                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 216                         prefixoption=${arg}
 217                         ;;
 218                 -prefix | --prefix | --prefi | --pref | --pre)
 219                         next_prefix=yes
 220                         ;;
 221                 -rm | --rm) removing=${arg} ;;
 222                 -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=*)
 223                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 224                         program_prefixoption=${arg}
 225                         ;;
 226                 -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)
 227                         next_program_prefix=yes
 228                         ;;
 229                 -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=*)
 230                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 231                         program_suffixoption=${arg}
 232                         ;;
 233                 -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)
 234                         next_program_suffix=yes
 235                         ;;
 236                 -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=*)
 237                         arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
 238                         # Double any \ or $ in the argument
 239                         if [ -n "${arg}" ] ; then
 240                                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 241                         fi
 242                         program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
 243                         ;;
 244                 -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)
 245                         next_program_transform_name=yes
 246                         ;;
 247                 -site=* | --site=* | --sit=* | --si=*)
 248                         site_option=${arg}
 249                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 250                         ;;
 251                 -site | --site | --sit)
 252                         next_site=yes
 253                         ;;
 254                 # remove trailing slashes.  Otherwise, when the file name gets
 255                 # bolted into an object file as debug info, it has two slashes in
 256                 # it.  Ordinarily this is ok, but emacs takes double slash to
 257                 # mean "forget the first part".
 258                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 259                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 260                         ;;
 261                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 262                         next_srcdir=yes
 263                         ;;
 264                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 265                         case "${target_alias}" in
 266                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 267                         *)
 268                                 echo '***' Can only configure for one target at a time.  1>&2
 269                                 fatal=yes
 270                                 ;;
 271                         esac
 272                         ;;
 273                 -target | --target | --targe | --targ | --tar | --ta)
 274                         next_target=yes
 275                         ;;
 276                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 277                         tmpdiroption=${arg}
 278                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 279                         ;;
 280                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 281                         next_tmpdir=yes
 282                         ;;
 283                 -v | -verbose | --v)
 284                         redirect=
 285                         verbose=-v
 286                         ;;
 287                 -version | -V | --version | --V)
 288                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 289                         exit 0
 290                         ;;
 291                 -with*=* | --with*=*)
 292                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
 293                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
 294                         eval $withopt="$withval"
 295                         withoptions="$withoptions $arg"
 296                         ;;
 297                 -without* | --without*)
 298                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
 299                         eval $withopt=no
 300                         withoutoptions="$withoutoptions $arg"
 301                         ;;
 302                 -with* | --with*)
 303                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
 304                         eval $withopt=yes
 305                         withoptions="$withoptions $arg"
 306                         ;;
 307                 -x | --x) ;;
 308                 -* | --*)
 309                         (echo ;
 310                         echo "Unrecognized option: \"${arg}\"". ;
 311                         echo) 1>&2
 312                         fatal=true
 313                         ;;
 314                 *)
 315                         case "${undefs}" in
 316                         "")
 317                                 undefs="${arg}"
 318                                 ;;
 319                         *)
 320                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 321                                 fatal=yes
 322                                 ;;
 323                         esac
 324                         ;;
 325                 esac
 326         fi
 327 done
 328
 329 # process host and target
 330 case "${fatal}" in
 331 "")
 332 #       # Complain if an arg is missing
 333 #       if [ -z "${host_alias}" ] ; then
 334 #               (echo ;
 335 #               echo "configure: No HOST specified." ;
 336 #               echo) 1>&2
 337 #               fatal=true
 338 #       fi
 339
 340 ### This is a bit twisted.
 341 ### * if all three are specified, this is an error.
 342 ### * if we have neither hosts, nor unadorned args, this is an error.
 343 ### * if no hosts are specified, then the unadorned args are hosts, but if
 344 ### there were none, this is an error.
 345 ### * if no targets are specified, then the unadorned args are targets, but if
 346 ### there were no unadorned args, then the hosts are also targets.
 347
 348         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 349                 echo '***' Can only configure for one host and one target at a time.  1>&2
 350                 fatal=yes
 351         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 352                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 353                 if tmp_alias=`${guesssys}` ; then
 354                         echo "Configuring for a ${tmp_alias} host." 1>&2
 355                         host_alias=${tmp_alias}
 356                         case "${target_alias}" in
 357                         "") target_alias=${tmp_alias} ;;
 358                         *) ;;
 359                         esac
 360                         arguments="--host=${host_alias} ${arguments}"
 361                 else
 362                         echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 363                         fatal=yes
 364                 fi
 365         else
 366                 case "${host_alias}" in
 367                 "") host_alias=${undefs} ;;
 368                 *) ;;
 369                 esac
 370
 371                 case "${target_alias}" in
 372                 "")
 373                         case "${undefs}" in
 374                         "")     target_alias=${host_alias} ;;
 375                         *)      target_alias=${undefs} ;;
 376                         esac
 377                         ;;
 378                 *) ;;
 379                 esac
 380         fi
 381         ;;
 382 *) ;;
 383 esac
 384
 385 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 386         (echo "Usage: configure HOST" ;
 387         echo ;
 388         echo "Options: [defaults in brackets]" ;
 389         echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 390         echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 391         echo " --help                    print this message. [normal config]" ;
 392         echo " --norecursion             configure this directory only. [recurse]" ;
 393         echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 394         echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 395         echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 396         echo " --site=SITE               configure with site specific makefile for SITE" ;
 397         echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 398         echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 399         echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 400         echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
 401         echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
 402         echo " --without-FOO             specify that FOO is NOT available"
 403         echo ;
 404         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 405         echo ;
 406         ) 1>&2
 407         if [ -r config.status ] ; then
 408                 cat config.status
 409         fi
 410
 411         exit 1
 412 fi
 413
 414 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 415 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 416
 417 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 418 if ${configsub} sun4 >/dev/null 2>&1 ; then
 419         true
 420 else
 421         echo '***' cannot find config.sub.  1>&2
 422         exit 1
 423 fi
 424
 425 touch config.junk
 426 if ${moveifchange} config.junk config.trash ; then
 427         true
 428 else
 429         echo '***' cannot find move-if-change.  1>&2
 430         exit 1
 431 fi
 432 rm -f config.junk config.trash
 433
 434 case "${srcdir}" in
 435 "")
 436         if [ -r configure.in ] ; then
 437                 srcdir=.
 438         else
 439                 if [ -r ${progname}.in ] ; then
 440                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 441                 else
 442                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 443                         exit 1
 444                 fi
 445         fi
 446         ;;
 447 *) ;;
 448 esac
 449
 450 ### warn about some conflicting configurations.
 451
 452 case "${srcdir}" in
 453 ".") ;;
 454 *)
 455         if [ -f ${srcdir}/config.status ] ; then
 456                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 457                 exit 1
 458         fi
 459 esac
 460
 461 # default exec_prefix
 462 case "${exec_prefix}" in
 463 "") exec_prefix="\$(prefix)" ;;
 464 *) ;;
 465 esac
 466
 467 ### break up ${srcdir}/configure.in.
 468 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 469 "")
 470         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 471         exit 1
 472         ;;
 473 *) ;;
 474 esac
 475
 476 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 477 "")
 478         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 479         exit 1
 480         ;;
 481 *) ;;
 482 esac
 483
 484 case "${TMPDIR}" in
 485 "") TMPDIR=/tmp ; export TMPDIR ;;
 486 *) ;;
 487 esac
 488
 489 # keep this filename short for &%*%$*# 14 char file names
 490 tmpfile=${TMPDIR}/cONf$$
 491 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 492
 493 # split ${srcdir}/configure.in into common, per-host, per-target,
 494 # and post-target parts.  Post-target is optional.
 495 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 496 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 497 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 498   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 499   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 500 else
 501   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 502   echo >${tmpfile}.pos
 503 fi
 504
 505 ### do common part of configure.in
 506
 507 . ${tmpfile}.com
 508
 509 # some sanity checks on configure.in
 510 case "${srctrigger}" in
 511 "")
 512         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 513         exit 1
 514         ;;
 515 *) ;;
 516 esac
 517
 518 result=`${configsub} ${host_alias}`
 519 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 520 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 521 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 522 host=${host_cpu}-${host_vendor}-${host_os}
 523
 524 . ${tmpfile}.hst
 525
 526 result=`${configsub} ${target_alias}`
 527 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 528 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 529 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 530 target=${target_cpu}-${target_vendor}-${target_os}
 531
 532 . ${tmpfile}.tgt
 533
 534 # Find the source files, if location was not specified.
 535 case "${srcdir}" in
 536 "")
 537         srcdirdefaulted=1
 538         srcdir=.
 539         if [ ! -r ${srctrigger} ] ; then
 540                 srcdir=..
 541         fi
 542         ;;
 543 *) ;;
 544 esac
 545
 546 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 547         case "${srcdirdefaulted}" in
 548         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 549         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 550         esac
 551
 552         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 553         exit 1
 554 fi
 555
 556 # Some systems (e.g., one of the i386-aix systems the gas testers are
 557 # using) don't handle "\$" correctly, so don't use it here.
 558 tooldir='$(exec_prefix)'/${target_alias}
 559
 560 if [ "${host_alias}" != "${target_alias}" ] ; then
 561     if [ "${program_prefixoption}" = "" ] ; then
 562         if [ "${program_suffixoption}" = "" ] ; then
 563             if [ "${program_transform_nameoption}" = "" ] ; then
 564                 program_prefix=${target_alias}- ;
 565             fi
 566         fi
 567     fi
 568 fi
 569
 570 # Merge program_prefix and program_suffix onto program_transform_name
 571 # Use a double $ so that make ignores it
 572 if [ "${program_suffix}" != "" ] ; then
 573     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 574 fi
 575
 576 if [ "${program_prefix}" != "" ] ; then
 577     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 578 fi
 579
 580 for subdir in . ${subdirs} ; do
 581
 582     # ${subdir} is relative path from . to the directory we're currently
 583     # configuring.
 584     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 585     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 586
 587     ### figure out what to do with srcdir
 588     case "${srcdir}" in
 589         ".")  # no -srcdir option.  We're building in place.
 590                 makesrcdir=. ;;
 591         /*) # absolute path
 592                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 593                 ;;
 594         *) # otherwise relative
 595                 case "${subdir}" in
 596                 .) makesrcdir=${srcdir} ;;
 597                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 598                 esac
 599                 ;;
 600     esac
 601
 602     if [ "${subdir}/" != "./" ] ; then
 603         Makefile=${subdir}/Makefile
 604     fi
 605
 606     if [ ! -d ${subdir} ] ; then
 607         if mkdir ${subdir} ; then
 608                 true
 609         else
 610                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 611                 exit 1
 612         fi
 613     fi
 614
 615     case "${removing}" in
 616     "")
 617         case "${subdir}" in
 618         .) ;;
 619         *) eval echo Building in ${subdir} ${redirect} ;;
 620         esac
 621
 622         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 623         # Set up the list of links to be made.
 624         # ${links} is the list of link names, and ${files} is the list of names to link to.
 625
 626         # Make the links.
 627         configlinks="${links}"
 628         if [ -r ${subdir}/config.status ] ; then
 629                 mv -f ${subdir}/config.status ${subdir}/config.back
 630         fi
 631         while [ -n "${files}" ] ; do
 632                 # set file to car of files, files to cdr of files
 633                 set ${files}; file=$1; shift; files=$*
 634                 set ${links}; link=$1; shift; links=$*
 635
 636                 if [ ! -r ${srcdir}/${file} ] ; then
 637                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 638                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 639                         exit 1
 640                 fi
 641
 642                 ${remove} -f ${link}
 643                 # Make a symlink if possible, otherwise try a hard link
 644                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 645
 646                 if [ ! -r ${link} ] ; then
 647                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 648                         exit 1
 649                 fi
 650
 651                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 652         done
 653
 654         # Create a .gdbinit file which runs the one in srcdir
 655         # and tells GDB to look there for source files.
 656
 657         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 658                 case ${srcdir} in
 659                 .) ;;
 660                 *) cat > ${subdir}/.gdbinit <<EOF
 661 # ${NO_EDIT}
 662 dir .
 663 dir ${makesrcdir}
 664 source ${makesrcdir}/.gdbinit
 665 EOF
 666                         ;;
 667                 esac
 668         fi
 669
 670         # Install a makefile, and make it set VPATH
 671         # if necessary so that the sources are found.
 672         # Also change its value of srcdir.
 673         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 674         # been somewhat optimized and is perhaps a bit twisty.
 675
 676         # code is order so as to try to sed the smallest input files we know.
 677
 678         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 679         # package, target, host, and site.  so do these separately because I don't trust the
 680         #  order of sed -e expressions.
 681
 682         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 683
 684             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 685             rm -f ${subdir}/Makefile.tem
 686               case "${site}" in
 687               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 688               *)
 689                       site_makefile_frag=${srcdir}/config/ms-${site}
 690
 691                       if [ -f ${site_makefile_frag} ] ; then
 692                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 693                                       > ${subdir}/Makefile.tem
 694                       else
 695                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 696                               site_makefile_frag=
 697                       fi
 698                       ;;
 699             esac
 700             # working copy now in ${subdir}/Makefile.tem
 701
 702             # Conditionalize the makefile for this host.
 703             rm -f ${Makefile}
 704             case "${host_makefile_frag}" in
 705               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 706               *)
 707                       if [ ! -f ${host_makefile_frag} ] ; then
 708                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 709                       fi
 710                       if [ -f ${host_makefile_frag} ] ; then
 711                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 712                       else
 713                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 714                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 715                               mv ${subdir}/Makefile.tem ${Makefile}
 716                       fi
 717             esac
 718             # working copy now in ${Makefile}
 719
 720             # Conditionalize the makefile for this target.
 721             rm -f ${subdir}/Makefile.tem
 722             case "${target_makefile_frag}" in
 723               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 724               *)
 725                       if [ ! -f ${target_makefile_frag} ] ; then
 726                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 727                       fi
 728                       if [ -f ${target_makefile_frag} ] ; then
 729                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 730                       else
 731                               mv ${Makefile} ${subdir}/Makefile.tem
 732                               target_makefile_frag=
 733                       fi
 734                       ;;
 735             esac
 736             # real copy now in ${subdir}/Makefile.tem
 737
 738             # Conditionalize the makefile for this package.
 739             rm -f ${Makefile}
 740             case "${package_makefile_frag}" in
 741               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 742               *)
 743                       if [ ! -f ${package_makefile_frag} ] ; then
 744                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 745                       fi
 746                       if [ -f ${package_makefile_frag} ] ; then
 747                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 748                       else
 749                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 750                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 751                               mv ${subdir}/Makefile.tem ${Makefile}
 752                       fi
 753             esac
 754             # working copy now in ${Makefile}
 755
 756             mv ${Makefile} ${subdir}/Makefile.tem
 757
 758             # real copy now in ${subdir}/Makefile.tem
 759
 760             # prepend warning about editting, and a bunch of variables.
 761             rm -f ${Makefile}
 762             cat > ${Makefile} <<EOF
 763 # ${NO_EDIT}
 764 VPATH = ${makesrcdir}
 765 links = ${configlinks}
 766 host_alias = ${host_alias}
 767 host_cpu = ${host_cpu}
 768 host_vendor = ${host_vendor}
 769 host_os = ${host_os}
 770 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 771 target_alias = ${target_alias}
 772 target_cpu = ${target_cpu}
 773 target_vendor = ${target_vendor}
 774 target_os = ${target_os}
 775 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 776 EOF
 777             case "${package_makefile_frag}" in
 778               "") ;;
 779               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 780               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 781             esac
 782
 783             case "${target_makefile_frag}" in
 784               "") ;;
 785               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 786               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 787             esac
 788
 789             case "${host_makefile_frag}" in
 790               "") ;;
 791               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 792               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 793             esac
 794
 795             if [ "${site_makefile_frag}" != "" ] ; then
 796                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 797             fi
 798
 799             # make sure that some sort of reasonable default exists for these
 800             # two variables
 801             CXX=${CXX-"g++ -O"}
 802             CC=${CC-cc}
 803
 804             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 805             # remove any form feeds.
 806             if [ -z "${subdirs}" ]; then
 807                 rm -f ${subdir}/Makefile.tem2
 808                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 809                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 810                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 811                 rm -f ${subdir}/Makefile.tem
 812                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 813             fi
 814             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 815                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 816                     -e "/^CC[   ]*=/{
 817                         b chkcc
 818                         :contcc
 819                         N
 820                         :chkcc
 821                         s/\\\\$//
 822                         t contcc
 823                         s/^CC[  ]*=.*$/CC = ${CC}/
 824                         }" \
 825                     -e "/^CXX[  ]*=/{
 826                         b chkcxx
 827                         :contcxx
 828                         N
 829                         :chkcxx
 830                         s/\\\\$//
 831                         t contcxx
 832                         s/^CXX[         ]*=.*$/CXX = ${CXX}/
 833                         }" \
 834                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 835                     -e "s/\f//" \
 836                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 837                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 838                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 839                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 840                     ${subdir}/Makefile.tem >> ${Makefile}
 841             # final copy now in ${Makefile}
 842
 843         else
 844            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 845         fi
 846
 847         rm -f ${subdir}/Makefile.tem
 848
 849         case "${host_makefile_frag}" in
 850         "") using= ;;
 851         *) using="and \"${host_makefile_frag}\"" ;;
 852         esac
 853
 854         case "${target_makefile_frag}" in
 855         "") ;;
 856         *) using="${using} and \"${target_makefile_frag}\"" ;;
 857         esac
 858
 859         case "${site_makefile_frag}" in
 860         "") ;;
 861         *) using="${using} and \"${site_makefile_frag}\"" ;;
 862         esac
 863
 864         newusing=`echo "${using}" | sed 's/and/using/'`
 865         using=${newusing}
 866         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 867
 868         . ${tmpfile}.pos
 869
 870         # describe the chosen configuration in config.status.
 871         # Make that file a shellscript which will reestablish
 872         # the same configuration.  Used in Makefiles to rebuild
 873         # Makefiles.
 874
 875         case "${norecursion}" in
 876         "") arguments="${arguments} -norecursion" ;;
 877         *) ;;
 878         esac
 879
 880         if [ ${subdir} = . ] ; then
 881             echo "#!/bin/sh
 882 # ${NO_EDIT}
 883 # This directory was configured as follows:
 884 ${progname}" ${arguments}  "
 885 # ${using}" > ${subdir}/config.new
 886         else
 887             echo "#!/bin/sh
 888 # ${NO_EDIT}
 889 # This directory was configured as follows:
 890 cd ${invsubdir}
 891 ${progname}" ${arguments}  "
 892 # ${using}" > ${subdir}/config.new
 893         fi
 894         chmod a+x ${subdir}/config.new
 895         if [ -r ${subdir}/config.back ] ; then
 896                 mv -f ${subdir}/config.back ${subdir}/config.status
 897         fi
 898         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 899         ;;
 900
 901     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 902     esac
 903 done
 904
 905 # If there are subdirectories, then recur.
 906 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 907         for configdir in ${configdirs} ; do
 908
 909                 if [ -d ${srcdir}/${configdir} ] ; then
 910                         eval echo Configuring ${configdir}... ${redirect}
 911                         case "${srcdir}" in
 912                         ".") ;;
 913                         *)
 914                                 if [ ! -d ./${configdir} ] ; then
 915                                         if mkdir ./${configdir} ; then
 916                                                 true
 917                                         else
 918                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 919                                                 exit 1
 920                                         fi
 921                                 fi
 922                                 ;;
 923                         esac
 924
 925                         POPDIR=${PWD=`pwd`}
 926                         cd ${configdir}
 927
 928 ### figure out what to do with srcdir
 929                         case "${srcdir}" in
 930                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 931                         /*) # absolute path
 932                                 newsrcdir=${srcdir}/${configdir}
 933                                 srcdiroption="-srcdir=${newsrcdir}"
 934                                 ;;
 935                         *) # otherwise relative
 936                                 newsrcdir=../${srcdir}/${configdir}
 937                                 srcdiroption="-srcdir=${newsrcdir}"
 938                                 ;;
 939                         esac
 940
 941 ### check for guested configure, otherwise fix possibly relative progname
 942                         if [ -f ${newsrcdir}/configure ] ; then
 943                                 recprog=${newsrcdir}/configure
 944                         elif [ -f ${newsrcdir}/configure.in ] ; then
 945                                 case "${progname}" in
 946                                 /*)     recprog=${progname} ;;
 947                                 *)      recprog=../${progname} ;;
 948                                 esac
 949                         else
 950                                 eval echo No configuration information in ${configdir} ${redirect}
 951                                 recprog=
 952                         fi
 953
 954 ### The recursion line is here.
 955                         if [ ! -z "${recprog}" ] ; then
 956                                 if eval ${config_shell} ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 957                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 958                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 959                                         true
 960                                 else
 961                                         exit 1
 962                                 fi
 963                         fi
 964
 965                         cd ${POPDIR}
 966                 fi
 967         done
 968 fi
 969
 970 exit 0
 971
 972 #
 973 # Local Variables:
 974 # fill-column: 131
 975 # End:
 976 #
 977
 978 # end of configure