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-/bin/sh}
  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, guess with config.guess.
 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 "${undefs}" ]
 349         then
 350                 echo '***' Can only configure for one host and one target at a time.  1>&2
 351                 fatal=yes
 352         elif [ -z "${host_alias}" -a -z "${target_alias}" -a -z "${undefs}" ]
 353         then
 354                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 355                 if tmp_alias=`${guesssys}` ; then
 356                         echo "Configuring for a ${tmp_alias} host." 1>&2
 357                         host_alias=${tmp_alias}
 358                         case "${target_alias}" in
 359                         "") target_alias=${tmp_alias} ;;
 360                         *) ;;
 361                         esac
 362                         arguments="--host=${host_alias} ${arguments}"
 363                 else
 364                         echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
 365                         fatal=yes
 366                 fi
 367         else
 368                 case "${host_alias}" in
 369                 "")
 370                         case "${undefs}" in
 371                         "")     host_alias=${target_alias} ;;
 372                         *)      host_alias=${undefs} ;;
 373                         esac
 374                         ;;
 375                 *) ;;
 376                 esac
 377
 378                 case "${target_alias}" in
 379                 "")
 380                         case "${undefs}" in
 381                         "")     target_alias=${host_alias} ;;
 382                         *)      target_alias=${undefs} ;;
 383                         esac
 384                         ;;
 385                 *) ;;
 386                 esac
 387         fi
 388         ;;
 389 *) ;;
 390 esac
 391
 392 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 393         (echo "Usage: configure HOST" ;
 394         echo ;
 395         echo "Options: [defaults in brackets]" ;
 396         echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 397         echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 398         echo " --help                    print this message. [normal config]" ;
 399         echo " --norecursion             configure this directory only. [recurse]" ;
 400         echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 401         echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 402         echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 403         echo " --site=SITE               configure with site specific makefile for SITE" ;
 404         echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 405         echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 406         echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 407         echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
 408         echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
 409         echo " --without-FOO             specify that FOO is NOT available"
 410         echo ;
 411         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 412         echo ;
 413         ) 1>&2
 414         if [ -r config.status ] ; then
 415                 cat config.status
 416         fi
 417
 418         exit 1
 419 fi
 420
 421 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 422 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 423
 424 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 425 if ${configsub} sun4 >/dev/null 2>&1 ; then
 426         true
 427 else
 428         echo '***' cannot find config.sub.  1>&2
 429         exit 1
 430 fi
 431
 432 touch config.junk
 433 if ${moveifchange} config.junk config.trash ; then
 434         true
 435 else
 436         echo '***' cannot find move-if-change.  1>&2
 437         exit 1
 438 fi
 439 rm -f config.junk config.trash
 440
 441 case "${srcdir}" in
 442 "")
 443         if [ -r configure.in ] ; then
 444                 srcdir=.
 445         else
 446                 if [ -r ${progname}.in ] ; then
 447                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 448                 else
 449                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 450                         exit 1
 451                 fi
 452         fi
 453         ;;
 454 *) ;;
 455 esac
 456
 457 ### warn about some conflicting configurations.
 458
 459 case "${srcdir}" in
 460 ".") ;;
 461 *)
 462         if [ -f ${srcdir}/config.status ] ; then
 463                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 464                 exit 1
 465         fi
 466 esac
 467
 468 # default exec_prefix
 469 case "${exec_prefix}" in
 470 "") exec_prefix="\$(prefix)" ;;
 471 *) ;;
 472 esac
 473
 474 ### break up ${srcdir}/configure.in.
 475 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 476 "")
 477         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
 478         exit 1
 479         ;;
 480 *) ;;
 481 esac
 482
 483 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 484 "")
 485         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
 486         exit 1
 487         ;;
 488 *) ;;
 489 esac
 490
 491 case "${TMPDIR}" in
 492 "") TMPDIR=/tmp ; export TMPDIR ;;
 493 *) ;;
 494 esac
 495
 496 # keep this filename short for &%*%$*# 14 char file names
 497 tmpfile=${TMPDIR}/cONf$$
 498 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 499
 500 # split ${srcdir}/configure.in into common, per-host, per-target,
 501 # and post-target parts.  Post-target is optional.
 502 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 503 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 504 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 505   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 506   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 507 else
 508   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 509   echo >${tmpfile}.pos
 510 fi
 511
 512 ### do common part of configure.in
 513
 514 . ${tmpfile}.com
 515
 516 # some sanity checks on configure.in
 517 case "${srctrigger}" in
 518 "")
 519         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 520         exit 1
 521         ;;
 522 *) ;;
 523 esac
 524
 525 result=`${configsub} ${host_alias}`
 526 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 527 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 528 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 529 host=${host_cpu}-${host_vendor}-${host_os}
 530
 531 . ${tmpfile}.hst
 532
 533 result=`${configsub} ${target_alias}`
 534 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 535 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 536 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 537 target=${target_cpu}-${target_vendor}-${target_os}
 538
 539 . ${tmpfile}.tgt
 540
 541 # Find the source files, if location was not specified.
 542 case "${srcdir}" in
 543 "")
 544         srcdirdefaulted=1
 545         srcdir=.
 546         if [ ! -r ${srctrigger} ] ; then
 547                 srcdir=..
 548         fi
 549         ;;
 550 *) ;;
 551 esac
 552
 553 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 554         case "${srcdirdefaulted}" in
 555         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 556         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 557         esac
 558
 559         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 560         exit 1
 561 fi
 562
 563 # Some systems (e.g., one of the i386-aix systems the gas testers are
 564 # using) don't handle "\$" correctly, so don't use it here.
 565 tooldir='$(exec_prefix)'/${target_alias}
 566
 567 if [ "${host_alias}" != "${target_alias}" ] ; then
 568     if [ "${program_prefixoption}" = "" ] ; then
 569         if [ "${program_suffixoption}" = "" ] ; then
 570             if [ "${program_transform_nameoption}" = "" ] ; then
 571                 program_prefix=${target_alias}- ;
 572             fi
 573         fi
 574     fi
 575 fi
 576
 577 # Merge program_prefix and program_suffix onto program_transform_name
 578 # Use a double $ so that make ignores it
 579 if [ "${program_suffix}" != "" ] ; then
 580     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 581 fi
 582
 583 if [ "${program_prefix}" != "" ] ; then
 584     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 585 fi
 586
 587 for subdir in . ${subdirs} ; do
 588
 589     # ${subdir} is relative path from . to the directory we're currently
 590     # configuring.
 591     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 592     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 593
 594     ### figure out what to do with srcdir
 595     case "${srcdir}" in
 596         ".")  # no -srcdir option.  We're building in place.
 597                 makesrcdir=. ;;
 598         /*) # absolute path
 599                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 600                 ;;
 601         *) # otherwise relative
 602                 case "${subdir}" in
 603                 .) makesrcdir=${srcdir} ;;
 604                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 605                 esac
 606                 ;;
 607     esac
 608
 609     if [ "${subdir}/" != "./" ] ; then
 610         Makefile=${subdir}/Makefile
 611     fi
 612
 613     if [ ! -d ${subdir} ] ; then
 614         if mkdir ${subdir} ; then
 615                 true
 616         else
 617                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 618                 exit 1
 619         fi
 620     fi
 621
 622     case "${removing}" in
 623     "")
 624         case "${subdir}" in
 625         .) ;;
 626         *) eval echo Building in ${subdir} ${redirect} ;;
 627         esac
 628
 629         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 630         # Set up the list of links to be made.
 631         # ${links} is the list of link names, and ${files} is the list of names to link to.
 632
 633         # Make the links.
 634         configlinks="${links}"
 635         if [ -r ${subdir}/config.status ] ; then
 636                 mv -f ${subdir}/config.status ${subdir}/config.back
 637         fi
 638         while [ -n "${files}" ] ; do
 639                 # set file to car of files, files to cdr of files
 640                 set ${files}; file=$1; shift; files=$*
 641                 set ${links}; link=$1; shift; links=$*
 642
 643                 if [ ! -r ${srcdir}/${file} ] ; then
 644                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 645                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 646                         exit 1
 647                 fi
 648
 649                 ${remove} -f ${link}
 650                 # Make a symlink if possible, otherwise try a hard link
 651                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 652
 653                 if [ ! -r ${link} ] ; then
 654                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 655                         exit 1
 656                 fi
 657
 658                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 659         done
 660
 661         # Create a .gdbinit file which runs the one in srcdir
 662         # and tells GDB to look there for source files.
 663
 664         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 665                 case ${srcdir} in
 666                 .) ;;
 667                 *) cat > ${subdir}/.gdbinit <<EOF
 668 # ${NO_EDIT}
 669 dir .
 670 dir ${makesrcdir}
 671 source ${makesrcdir}/.gdbinit
 672 EOF
 673                         ;;
 674                 esac
 675         fi
 676
 677         # Install a makefile, and make it set VPATH
 678         # if necessary so that the sources are found.
 679         # Also change its value of srcdir.
 680         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 681         # been somewhat optimized and is perhaps a bit twisty.
 682
 683         # code is order so as to try to sed the smallest input files we know.
 684
 685         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 686         # package, target, host, and site.  so do these separately because I don't trust the
 687         #  order of sed -e expressions.
 688
 689         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 690
 691             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 692             rm -f ${subdir}/Makefile.tem
 693               case "${site}" in
 694               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 695               *)
 696                       site_makefile_frag=${srcdir}/config/ms-${site}
 697
 698                       if [ -f ${site_makefile_frag} ] ; then
 699                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 700                                       > ${subdir}/Makefile.tem
 701                       else
 702                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 703                               site_makefile_frag=
 704                       fi
 705                       ;;
 706             esac
 707             # working copy now in ${subdir}/Makefile.tem
 708
 709             # Conditionalize the makefile for this host.
 710             rm -f ${Makefile}
 711             case "${host_makefile_frag}" in
 712               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 713               *)
 714                       if [ ! -f ${host_makefile_frag} ] ; then
 715                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 716                       fi
 717                       if [ -f ${host_makefile_frag} ] ; then
 718                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 719                       else
 720                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 721                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 722                               mv ${subdir}/Makefile.tem ${Makefile}
 723                       fi
 724             esac
 725             # working copy now in ${Makefile}
 726
 727             # Conditionalize the makefile for this target.
 728             rm -f ${subdir}/Makefile.tem
 729             case "${target_makefile_frag}" in
 730               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 731               *)
 732                       if [ ! -f ${target_makefile_frag} ] ; then
 733                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 734                       fi
 735                       if [ -f ${target_makefile_frag} ] ; then
 736                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 737                       else
 738                               mv ${Makefile} ${subdir}/Makefile.tem
 739                               target_makefile_frag=
 740                       fi
 741                       ;;
 742             esac
 743             # real copy now in ${subdir}/Makefile.tem
 744
 745             # Conditionalize the makefile for this package.
 746             rm -f ${Makefile}
 747             case "${package_makefile_frag}" in
 748               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 749               *)
 750                       if [ ! -f ${package_makefile_frag} ] ; then
 751                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 752                       fi
 753                       if [ -f ${package_makefile_frag} ] ; then
 754                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 755                       else
 756                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 757                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 758                               mv ${subdir}/Makefile.tem ${Makefile}
 759                       fi
 760             esac
 761             # working copy now in ${Makefile}
 762
 763             mv ${Makefile} ${subdir}/Makefile.tem
 764
 765             # real copy now in ${subdir}/Makefile.tem
 766
 767             # prepend warning about editting, and a bunch of variables.
 768             rm -f ${Makefile}
 769             cat > ${Makefile} <<EOF
 770 # ${NO_EDIT}
 771 VPATH = ${makesrcdir}
 772 links = ${configlinks}
 773 host_alias = ${host_alias}
 774 host_cpu = ${host_cpu}
 775 host_vendor = ${host_vendor}
 776 host_os = ${host_os}
 777 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 778 target_alias = ${target_alias}
 779 target_cpu = ${target_cpu}
 780 target_vendor = ${target_vendor}
 781 target_os = ${target_os}
 782 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 783 EOF
 784             case "${package_makefile_frag}" in
 785               "") ;;
 786               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 787               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 788             esac
 789
 790             case "${target_makefile_frag}" in
 791               "") ;;
 792               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 793               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 794             esac
 795
 796             case "${host_makefile_frag}" in
 797               "") ;;
 798               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 799               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 800             esac
 801
 802             if [ "${site_makefile_frag}" != "" ] ; then
 803                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 804             fi
 805
 806             # make sure that some sort of reasonable default exists for these
 807             # two variables
 808             CXX=${CXX-"g++ -O"}
 809             CC=${CC-cc}
 810
 811             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 812             # remove any form feeds.
 813             if [ -z "${subdirs}" ]; then
 814                 rm -f ${subdir}/Makefile.tem2
 815                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 816                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 817                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 818                 rm -f ${subdir}/Makefile.tem
 819                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 820             fi
 821             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 822                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 823                     -e "s:^SHELL[        ]*=.*$:SHELL = ${config_shell}:" \
 824                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 825                     -e "s/\f//" \
 826                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 827                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 828                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 829                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 830                     ${subdir}/Makefile.tem >> ${Makefile}
 831             # final copy now in ${Makefile}
 832
 833         else
 834            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
 835         fi
 836
 837         rm -f ${subdir}/Makefile.tem
 838
 839         case "${host_makefile_frag}" in
 840         "") using= ;;
 841         *) using="and \"${host_makefile_frag}\"" ;;
 842         esac
 843
 844         case "${target_makefile_frag}" in
 845         "") ;;
 846         *) using="${using} and \"${target_makefile_frag}\"" ;;
 847         esac
 848
 849         case "${site_makefile_frag}" in
 850         "") ;;
 851         *) using="${using} and \"${site_makefile_frag}\"" ;;
 852         esac
 853
 854         newusing=`echo "${using}" | sed 's/and/using/'`
 855         using=${newusing}
 856         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 857
 858         . ${tmpfile}.pos
 859
 860         # describe the chosen configuration in config.status.
 861         # Make that file a shellscript which will reestablish
 862         # the same configuration.  Used in Makefiles to rebuild
 863         # Makefiles.
 864
 865         case "${norecursion}" in
 866         "") arguments="${arguments} -norecursion" ;;
 867         *) ;;
 868         esac
 869
 870         if [ ${subdir} = . ] ; then
 871             echo "#!/bin/sh
 872 # ${NO_EDIT}
 873 # This directory was configured as follows:
 874 ${progname}" ${arguments}  "
 875 # ${using}" > ${subdir}/config.new
 876         else
 877             echo "#!/bin/sh
 878 # ${NO_EDIT}
 879 # This directory was configured as follows:
 880 cd ${invsubdir}
 881 ${progname}" ${arguments}  "
 882 # ${using}" > ${subdir}/config.new
 883         fi
 884         chmod a+x ${subdir}/config.new
 885         if [ -r ${subdir}/config.back ] ; then
 886                 mv -f ${subdir}/config.back ${subdir}/config.status
 887         fi
 888         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 889         ;;
 890
 891     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 892     esac
 893 done
 894
 895 # If there are subdirectories, then recur.
 896 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 897         for configdir in ${configdirs} ; do
 898
 899                 if [ -d ${srcdir}/${configdir} ] ; then
 900                         eval echo Configuring ${configdir}... ${redirect}
 901                         case "${srcdir}" in
 902                         ".") ;;
 903                         *)
 904                                 if [ ! -d ./${configdir} ] ; then
 905                                         if mkdir ./${configdir} ; then
 906                                                 true
 907                                         else
 908                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 909                                                 exit 1
 910                                         fi
 911                                 fi
 912                                 ;;
 913                         esac
 914
 915                         POPDIR=${PWD=`pwd`}
 916                         cd ${configdir}
 917
 918 ### figure out what to do with srcdir
 919                         case "${srcdir}" in
 920                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 921                         /*) # absolute path
 922                                 newsrcdir=${srcdir}/${configdir}
 923                                 srcdiroption="-srcdir=${newsrcdir}"
 924                                 ;;
 925                         *) # otherwise relative
 926                                 newsrcdir=../${srcdir}/${configdir}
 927                                 srcdiroption="-srcdir=${newsrcdir}"
 928                                 ;;
 929                         esac
 930
 931 ### check for guested configure, otherwise fix possibly relative progname
 932                         if [ -f ${newsrcdir}/configure ] ; then
 933                                 recprog=${newsrcdir}/configure
 934                         elif [ -f ${newsrcdir}/configure.in ] ; then
 935                                 case "${progname}" in
 936                                 /*)     recprog=${progname} ;;
 937                                 *)      recprog=../${progname} ;;
 938                                 esac
 939                         else
 940                                 eval echo No configuration information in ${configdir} ${redirect}
 941                                 recprog=
 942                         fi
 943
 944 ### The recursion line is here.
 945                         if [ ! -z "${recprog}" ] ; then
 946                                 if eval ${config_shell} ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 947                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 948                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 949                                         true
 950                                 else
 951                                         exit 1
 952                                 fi
 953                         fi
 954
 955                         cd ${POPDIR}
 956                 fi
 957         done
 958 fi
 959
 960 exit 0
 961
 962 #
 963 # Local Variables:
 964 # fill-column: 131
 965 # End:
 966 #
 967
 968 # end of configure