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, 1990-1993 Free Software Foundation, Inc.
   7
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 # Please email any bugs, comments, and/or additions to this file to:
  23 # configure@cygnus.com
  24
  25 # This file was written by K. Richard Pixley.
  26
  27 #
  28 # Shell script to create proper links to machine-dependent files in
  29 # preparation for compilation.
  30 #
  31 # If configure succeeds, it leaves its status in config.status.
  32 # If configure fails after disturbing the status quo,
  33 #       config.status is removed.
  34 #
  35
  36 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  37
  38 remove=rm
  39 hard_link=ln
  40 symbolic_link='ln -s'
  41
  42 #for Test
  43 #remove="echo rm"
  44 #hard_link="echo ln"
  45 #symbolic_link="echo ln -s"
  46
  47 # clear some things potentially inherited from environment.
  48
  49 Makefile=Makefile
  50 Makefile_in=Makefile.in
  51 arguments=$*
  52 configdirs=
  53 exec_prefix=
  54 exec_prefixoption=
  55 fatal=
  56 floating_point=default
  57 gas=default
  58 host_alias=
  59 host_makefile_frag=
  60 moveifchange=
  61 next_host=
  62 next_prefix=
  63 next_site=
  64 next_srcdir=
  65 next_target=
  66 next_tmpdir=
  67 norecursion=
  68 package_makefile_frag=
  69 prefix=/usr/local
  70 progname=
  71 program_prefix=
  72 program_prefixoption=
  73 program_suffix=
  74 program_suffixoption=
  75 program_transform_name=
  76 program_transform_nameoption=
  77 redirect=">/dev/null"
  78 removing=
  79 site=
  80 site_makefile_frag=
  81 site_option=
  82 srcdir=
  83 srctrigger=
  84 subdirs=
  85 target_alias=
  86 target_makefile_frag=
  87 undefinedargs=
  88 version="$Revision$"
  89 x11=default
  90
  91 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  92
  93 ## this is a little touchy and won't always work, but...
  94 ##
  95 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  96 ## must) be used as is.
  97 ##
  98 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  99 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
 100 ##
 101
 102 progname=$0
 103 # if PWD already has a value, it is probably wrong.
 104 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 105
 106 case "${progname}" in
 107 /*) ;;
 108 */*) ;;
 109 *)
 110         PATH=$PATH:${PWD=`pwd`} ; export PATH
 111         ;;
 112 esac
 113
 114 for arg in $*;
 115 do
 116         # handle things that might have args following as separate words
 117         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 118         elif [ -n "${next_exec_prefix}" ] ; then
 119                 exec_prefix=${arg}
 120                 exec_prefixoption="-exec_prefix=${exec_prefix}"
 121                 next_exec_prefix=
 122         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
 123         # remove any possible trailing slash from srcdir.  See note below.
 124         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
 125         elif [ -n "${next_program_prefix}" ] ; then
 126                 program_prefix=${arg}
 127                 program_prefixoption="-program_prefix=${program_prefix}"
 128                 next_program_prefix=
 129         elif [ -n "${next_program_suffix}" ] ; then
 130                 program_suffix=${arg}
 131                 program_suffixoption="-program_suffix=${program_suffix}"
 132                 next_program_suffix=
 133         elif [ -n "${next_program_transform_name}" ] ; then
 134                 # Double any backslashes or dollar signs in the argument
 135                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 136                 program_transform_nameoption="${program_transform_nameoption} -program_transform_name='${arg}'"
 137                 next_program_transform_name=
 138         elif [ -n "${next_target}" ] ; then
 139                 next_target=
 140                 case "${target_alias}" in
 141                 "")
 142                         target_alias="${arg}"
 143                         ;;
 144                 *)
 145                         echo '***' Can only configure for one target at a time.  1>&2
 146                         fatal=yes
 147                         ;;
 148                 esac
 149         elif [ -n "${next_tmpdir}" ] ; then
 150                 next_tmpdir=
 151                 tmpdiroption="--tmpdir=${arg}"
 152                 TMPDIR=${arg}
 153
 154         else
 155                 case ${arg} in
 156                 -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-=* )
 157                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 158                         exec_prefixoption=${arg}
 159                         ;;
 160                 -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-)
 161                         next_exec_prefix=yes
 162                         ;;
 163                 -gas | --g*)
 164                         gas=yes
 165                         ;;
 166                 -help | --he*)
 167                         fatal=true
 168                         ;;
 169                 -host=* | --host=* | --hos=* | --ho=*)
 170                         case "${host_alias}" in
 171                         "")
 172                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 173                                 ;;
 174                         *)
 175                                 echo '***' Can only configure for one host at a time.  1>&2
 176                                 fatal=yes
 177                                 ;;
 178                         esac
 179                         ;;
 180                 -nfp | --nf*)
 181                         floating_point=no
 182                         ;;
 183                 -norecursion | --no*)
 184                         norecursion=true
 185                         ;;
 186                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 187                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 188                         prefixoption=${arg}
 189                         ;;
 190                 -prefix | --prefix | --prefi | --pref | --pre)
 191                         next_prefix=yes
 192                         ;;
 193                 -rm | --rm) removing=${arg} ;;
 194                 -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=*)
 195                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 196                         program_prefixoption=${arg}
 197                         ;;
 198                 -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)
 199                         next_program_prefix=yes
 200                         ;;
 201                 -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=*)
 202                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 203                         program_suffixoption=${arg}
 204                         ;;
 205                 -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)
 206                         next_program_suffix=yes
 207                         ;;
 208                 -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=*)
 209                         # Double any \ or $ in the argument
 210                         program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/^[-a-z_]*=//' -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 211                         program_transform_nameoption="${program_transform_nameoption} -program_transform_name='`echo ${arg} | sed 's/^[-a-z_]*=//'`'"
 212                         ;;
 213                 -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
 214                         next_program_transform_name=yes
 215                         ;;
 216                 -site=* | --site=* | --sit=* | --si=*)
 217                         site_option=${arg}
 218                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 219                         ;;
 220                 -site | --site | --sit)
 221                         next_site=yes
 222                         ;;
 223                 # remove trailing slashes.  Otherwise, when the file name gets
 224                 # bolted into an object file as debug info, it has two slashes in
 225                 # it.  Ordinarily this is ok, but emacs takes double slash to
 226                 # mean "forget the first part".
 227                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 228                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 229                         ;;
 230                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 231                         next_srcdir=yes
 232                         ;;
 233                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 234                         case "${target_alias}" in
 235                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 236                         *)
 237                                 echo '***' Can only configure for one target at a time.  1>&2
 238                                 fatal=yes
 239                                 ;;
 240                         esac
 241                         ;;
 242                 -target | --target | --targe | --targ | --tar | --ta)
 243                         next_target=yes
 244                         ;;
 245                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 246                         tmpdiroption=${arg}
 247                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 248                         ;;
 249                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 250                         next_tmpdir=yes
 251                         ;;
 252                 -v | -verbose | --v)
 253                         redirect=
 254                         verbose=-v
 255                         ;;
 256                 -version | -V | --version | --V)
 257                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 258                         exit 0
 259                         ;;
 260                 -with*=* | --with*=*)
 261                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
 262                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
 263                         eval $withopt="$withval"
 264                         withoptions="$withoptions $arg"
 265                         ;;
 266                 -without* | --without*)
 267                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
 268                         eval $withopt=no
 269                         withoutoptions="$withoutoptions $arg"
 270                         ;;
 271                 -with* | --with*)
 272                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
 273                         eval $withopt=yes
 274                         withoptions="$withoptions $arg"
 275                         ;;
 276                 -x | --x) ;;
 277                 -* | --*)
 278                         (echo ;
 279                         echo "Unrecognized option: \"${arg}\"". ;
 280                         echo) 1>&2
 281                         fatal=true
 282                         ;;
 283                 *)
 284                         case "${undefs}" in
 285                         "")
 286                                 undefs="${arg}"
 287                                 ;;
 288                         *)
 289                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 290                                 fatal=yes
 291                                 ;;
 292                         esac
 293                         ;;
 294                 esac
 295         fi
 296 done
 297
 298 # process host and target
 299 case "${fatal}" in
 300 "")
 301 #       # Complain if an arg is missing
 302 #       if [ -z "${host_alias}" ] ; then
 303 #               (echo ;
 304 #               echo "configure: No HOST specified." ;
 305 #               echo) 1>&2
 306 #               fatal=true
 307 #       fi
 308
 309 ### This is a bit twisted.
 310 ### * if all three are specified, this is an error.
 311 ### * if we have neither hosts, nor unadorned args, this is an error.
 312 ### * if no hosts are specified, then the unadorned args are hosts, but if
 313 ### there were none, this is an error.
 314 ### * if no targets are specified, then the unadorned args are targets, but if
 315 ### there were no unadorned args, then the hosts are also targets.
 316
 317         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 318                 echo '***' Can only configure for one host and one target at a time.  1>&2
 319                 fatal=yes
 320         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 321                 echo '- You did not tell me what kind of host system you want to configure.
 322 - I will attempt to guess the kind of system this is.' 1>&2
 323                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 324                 if tmp_alias=`${guesssys}` ; then
 325                         echo "- Looks like this is a ${tmp_alias}" 1>&2
 326                         host_alias=${tmp_alias}
 327                         target_alias=${tmp_alias}
 328                         arguments="--host=${host_alias} ${arguments}"
 329                 else
 330                         echo '- Failed to guess the system type.  You need to tell me.' 1>&2
 331                         fatal=yes
 332                 fi
 333         else
 334                 case "${host_alias}" in
 335                 "") host_alias=${undefs} ;;
 336                 *) ;;
 337                 esac
 338
 339                 case "${target_alias}" in
 340                 "")
 341                         case "${undefs}" in
 342                         "")     target_alias=${host_alias} ;;
 343                         *)      target_alias=${undefs} ;;
 344                         esac
 345                         ;;
 346                 *) ;;
 347                 esac
 348         fi
 349         ;;
 350 *) ;;
 351 esac
 352
 353 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 354         (echo "Usage: configure HOST" ;
 355         echo ;
 356         echo "Options: [defaults in brackets]" ;
 357         echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 358         echo " -exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 359         echo " -help                    print this message. [normal config]" ;
 360         echo " -norecursion             configure this directory only. [recurse]" ;
 361         echo " -program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 362         echo " -program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 363         echo " -program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 364         echo " -site=SITE               configure with site specific makefile for SITE" ;
 365         echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 366         echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 367         echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 368         echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
 369         echo " -with-FOO, -with-FOO=BAR specify that FOO is available"
 370         echo " -without-FOO             specify that FOO is NOT available"
 371         echo ;
 372         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 373         echo ;
 374         ) 1>&2
 375         if [ -r config.status ] ; then
 376                 cat config.status
 377         fi
 378
 379         exit 1
 380 fi
 381
 382 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 383 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 384
 385 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 386 if ${configsub} sun4 >/dev/null 2>&1 ; then
 387         true
 388 else
 389         echo '***' cannot find config.sub.  1>&2
 390         exit 1
 391 fi
 392
 393 touch config.junk
 394 if ${moveifchange} config.junk config.trash ; then
 395         true
 396 else
 397         echo '***' cannot find move-if-change.  1>&2
 398         exit 1
 399 fi
 400 rm -f config.junk config.trash
 401
 402 case "${srcdir}" in
 403 "")
 404         if [ -r configure.in ] ; then
 405                 srcdir=.
 406         else
 407                 if [ -r ${progname}.in ] ; then
 408                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 409                 else
 410                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 411                         exit 1
 412                 fi
 413         fi
 414         ;;
 415 *) ;;
 416 esac
 417
 418 ### warn about some conflicting configurations.
 419
 420 case "${srcdir}" in
 421 ".") ;;
 422 *)
 423         if [ -f ${srcdir}/config.status ] ; then
 424                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 425                 exit 1
 426         fi
 427 esac
 428
 429 # default exec_prefix
 430 case "${exec_prefix}" in
 431 "") exec_prefix="\$(prefix)" ;;
 432 *) ;;
 433 esac
 434
 435 ### break up ${srcdir}/configure.in.
 436 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 437 "")
 438         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 439         exit 1
 440         ;;
 441 *) ;;
 442 esac
 443
 444 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 445 "")
 446         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 447         exit 1
 448         ;;
 449 *) ;;
 450 esac
 451
 452 case "${TMPDIR}" in
 453 "") TMPDIR=/tmp ; export TMPDIR ;;
 454 *) ;;
 455 esac
 456
 457 # keep this filename short for &%*%$*# 14 char file names
 458 tmpfile=${TMPDIR}/cONf$$
 459 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 460
 461 # split ${srcdir}/configure.in into common, per-host, per-target,
 462 # and post-target parts.  Post-target is optional.
 463 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 464 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 465 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 466   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 467   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 468 else
 469   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 470   echo >${tmpfile}.pos
 471 fi
 472
 473 ### do common part of configure.in
 474
 475 . ${tmpfile}.com
 476
 477 # some sanity checks on configure.in
 478 case "${srctrigger}" in
 479 "")
 480         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 481         exit 1
 482         ;;
 483 *) ;;
 484 esac
 485
 486 result=`${configsub} ${host_alias}`
 487 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 488 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 489 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 490 host=${host_cpu}-${host_vendor}-${host_os}
 491
 492 . ${tmpfile}.hst
 493
 494 result=`${configsub} ${target_alias}`
 495 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 496 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 497 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 498 target=${target_cpu}-${target_vendor}-${target_os}
 499
 500 . ${tmpfile}.tgt
 501
 502 # Find the source files, if location was not specified.
 503 case "${srcdir}" in
 504 "")
 505         srcdirdefaulted=1
 506         srcdir=.
 507         if [ ! -r ${srctrigger} ] ; then
 508                 srcdir=..
 509         fi
 510         ;;
 511 *) ;;
 512 esac
 513
 514 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 515         case "${srcdirdefaulted}" in
 516         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 517         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 518         esac
 519
 520         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 521         exit 1
 522 fi
 523
 524 tooldir="\$(libdir)/${target_alias}"
 525
 526 if [ "${host_alias}" != "${target_alias}" ] ; then
 527     if [ "${program_prefix}" = "" ] ; then
 528         if [ "${program_suffix}" = "" ] ; then
 529             if [ "${program_transform_name}" = "" ] ; then
 530                 program_prefix=${target_alias}- ;
 531             fi
 532         fi
 533     fi
 534 fi
 535
 536 # Merge program_prefix and program_suffix onto program_transform_name
 537 # Use a double $ so that make ignores it
 538 if [ "${program_suffix}" != "" ] ; then
 539     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 540 fi
 541
 542 if [ "${program_prefix}" != "" ] ; then
 543     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 544 fi
 545
 546 for subdir in . ${subdirs} ; do
 547
 548     # ${subdir} is relative path from . to the directory we're currently
 549     # configuring.
 550     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 551     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 552
 553     ### figure out what to do with srcdir
 554     case "${srcdir}" in
 555         ".")  # no -srcdir option.  We're building in place.
 556                 makesrcdir=. ;;
 557         /*) # absolute path
 558                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 559                 ;;
 560         *) # otherwise relative
 561                 case "${subdir}" in
 562                 .) makesrcdir=${srcdir} ;;
 563                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 564                 esac
 565                 ;;
 566     esac
 567
 568     if [ "${subdir}/" != "./" ] ; then
 569         Makefile=${subdir}/Makefile
 570     fi
 571
 572     if [ ! -d ${subdir} ] ; then
 573         if mkdir ${subdir} ; then
 574                 true
 575         else
 576                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 577                 exit 1
 578         fi
 579     fi
 580
 581     case "${removing}" in
 582     "")
 583         case "${subdir}" in
 584         .) ;;
 585         *) eval echo Building in ${subdir} ${redirect} ;;
 586         esac
 587
 588         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 589         # Set up the list of links to be made.
 590         # ${links} is the list of link names, and ${files} is the list of names to link to.
 591
 592         # Make the links.
 593         configlinks="${links}"
 594         if [ -r ${subdir}/config.status ] ; then
 595                 mv -f ${subdir}/config.status ${subdir}/config.back
 596         fi
 597         while [ -n "${files}" ] ; do
 598                 # set file to car of files, files to cdr of files
 599                 set ${files}; file=$1; shift; files=$*
 600                 set ${links}; link=$1; shift; links=$*
 601
 602                 if [ ! -r ${srcdir}/${file} ] ; then
 603                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 604                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 605                         exit 1
 606                 fi
 607
 608                 ${remove} -f ${link}
 609                 # Make a symlink if possible, otherwise try a hard link
 610                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 611
 612                 if [ ! -r ${link} ] ; then
 613                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 614                         exit 1
 615                 fi
 616
 617                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 618         done
 619
 620         # Create a .gdbinit file which runs the one in srcdir
 621         # and tells GDB to look there for source files.
 622
 623         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 624                 case ${srcdir} in
 625                 .) ;;
 626                 *) cat > ${subdir}/.gdbinit <<EOF
 627 # ${NO_EDIT}
 628 dir .
 629 dir ${makesrcdir}
 630 source ${makesrcdir}/.gdbinit
 631 EOF
 632                         ;;
 633                 esac
 634         fi
 635
 636         # Install a makefile, and make it set VPATH
 637         # if necessary so that the sources are found.
 638         # Also change its value of srcdir.
 639         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 640         # been somewhat optimized and is perhaps a bit twisty.
 641
 642         # code is order so as to try to sed the smallest input files we know.
 643
 644         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 645         # package, target, host, and site.  so do these separately because I don't trust the
 646         #  order of sed -e expressions.
 647
 648         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 649
 650             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 651             rm -f ${subdir}/Makefile.tem
 652               case "${site}" in
 653               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 654               *)
 655                       site_makefile_frag=${srcdir}/config/ms-${site}
 656
 657                       if [ -f ${site_makefile_frag} ] ; then
 658                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 659                                       > ${subdir}/Makefile.tem
 660                       else
 661                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 662                               site_makefile_frag=
 663                       fi
 664                       ;;
 665             esac
 666             # working copy now in ${subdir}/Makefile.tem
 667
 668             # Conditionalize the makefile for this host.
 669             rm -f ${Makefile}
 670             case "${host_makefile_frag}" in
 671               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 672               *)
 673                       if [ ! -f ${host_makefile_frag} ] ; then
 674                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 675                       fi
 676                       if [ -f ${host_makefile_frag} ] ; then
 677                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 678                       else
 679                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 680                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 681                               mv ${subdir}/Makefile.tem ${Makefile}
 682                       fi
 683             esac
 684             # working copy now in ${Makefile}
 685
 686             # Conditionalize the makefile for this target.
 687             rm -f ${subdir}/Makefile.tem
 688             case "${target_makefile_frag}" in
 689               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 690               *)
 691                       if [ ! -f ${target_makefile_frag} ] ; then
 692                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 693                       fi
 694                       if [ -f ${target_makefile_frag} ] ; then
 695                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 696                       else
 697                               mv ${Makefile} ${subdir}/Makefile.tem
 698                               target_makefile_frag=
 699                       fi
 700                       ;;
 701             esac
 702             # real copy now in ${subdir}/Makefile.tem
 703
 704             # Conditionalize the makefile for this package.
 705             rm -f ${Makefile}
 706             case "${package_makefile_frag}" in
 707               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 708               *)
 709                       if [ ! -f ${package_makefile_frag} ] ; then
 710                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 711                       fi
 712                       if [ -f ${package_makefile_frag} ] ; then
 713                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 714                       else
 715                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 716                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 717                               mv ${subdir}/Makefile.tem ${Makefile}
 718                       fi
 719             esac
 720             # working copy now in ${Makefile}
 721
 722             mv ${Makefile} ${subdir}/Makefile.tem
 723
 724             # real copy now in ${subdir}/Makefile.tem
 725
 726             # prepend warning about editting, and a bunch of variables.
 727             rm -f ${Makefile}
 728             cat > ${Makefile} <<EOF
 729 # ${NO_EDIT}
 730 VPATH = ${makesrcdir}
 731 links = ${configlinks}
 732 host_alias = ${host_alias}
 733 host_cpu = ${host_cpu}
 734 host_vendor = ${host_vendor}
 735 host_os = ${host_os}
 736 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 737 target_alias = ${target_alias}
 738 target_cpu = ${target_cpu}
 739 target_vendor = ${target_vendor}
 740 target_os = ${target_os}
 741 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 742 EOF
 743             case "${package_makefile_frag}" in
 744               "") ;;
 745               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 746               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 747             esac
 748
 749             case "${target_makefile_frag}" in
 750               "") ;;
 751               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 752               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 753             esac
 754
 755             case "${host_makefile_frag}" in
 756               "") ;;
 757               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 758               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 759             esac
 760
 761             if [ "${site_makefile_frag}" != "" ] ; then
 762                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 763             fi
 764
 765             # fixme: this shouldn't be in configure.
 766             # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 767             case "${host_alias}" in
 768               "${target_alias}")
 769                       echo "ALL=all.internal" >> ${Makefile}
 770                       ;;
 771               *)
 772                       echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
 773                       echo "ALL=all.cross" >> ${Makefile}
 774                       ;;
 775             esac
 776
 777             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 778             # remove any form feeds.
 779             if [ -z "${subdirs}" ]; then
 780                 rm -f ${subdir}/Makefile.tem2
 781                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
 782                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 783                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 784                 rm -f ${subdir}/Makefile.tem
 785                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 786             fi
 787             sed -e "s:^prefix[  ]*=.*$:prefix = ${prefix}:" \
 788                     -e "s:^exec_prefix[         ]*=.*$:exec_prefix = ${exec_prefix}:" \
 789                     -e "s:^srcdir[      ]*=.*$:srcdir = ${makesrcdir}:" \
 790                     -e "s/\f//" \
 791                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
 792                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
 793                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
 794                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
 795                     ${subdir}/Makefile.tem >> ${Makefile}
 796             # final copy now in ${Makefile}
 797
 798         else
 799            echo "No Makefile.in found in ${srcdir}, unable to configure" 1>&2
 800         fi
 801
 802         rm -f ${subdir}/Makefile.tem
 803
 804         case "${host_makefile_frag}" in
 805         "") using= ;;
 806         *) using="and \"${host_makefile_frag}\"" ;;
 807         esac
 808
 809         case "${target_makefile_frag}" in
 810         "") ;;
 811         *) using="${using} and \"${target_makefile_frag}\"" ;;
 812         esac
 813
 814         case "${site_makefile_frag}" in
 815         "") ;;
 816         *) using="${using} and \"${site_makefile_frag}\"" ;;
 817         esac
 818
 819         newusing=`echo "${using}" | sed 's/and/using/'`
 820         using=${newusing}
 821         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 822
 823         . ${tmpfile}.pos
 824
 825         # describe the chosen configuration in config.status.
 826         # Make that file a shellscript which will reestablish
 827         # the same configuration.  Used in Makefiles to rebuild
 828         # Makefiles.
 829
 830         case "${norecursion}" in
 831         "") arguments="${arguments} -norecursion" ;;
 832         *) ;;
 833         esac
 834
 835         if [ ${subdir} = . ] ; then
 836             echo "#!/bin/sh
 837 # ${NO_EDIT}
 838 # This directory was configured as follows:
 839 ${progname}" ${arguments}  "
 840 # ${using}" > ${subdir}/config.new
 841         else
 842             echo "#!/bin/sh
 843 # ${NO_EDIT}
 844 # This directory was configured as follows:
 845 cd ${invsubdir}
 846 ${progname}" ${arguments}  "
 847 # ${using}" > ${subdir}/config.new
 848         fi
 849         chmod a+x ${subdir}/config.new
 850         if [ -r ${subdir}/config.back ] ; then
 851                 mv -f ${subdir}/config.back ${subdir}/config.status
 852         fi
 853         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 854         ;;
 855
 856     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 857     esac
 858 done
 859
 860 # If there are subdirectories, then recur.
 861 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 862         for configdir in ${configdirs} ; do
 863
 864                 if [ -d ${srcdir}/${configdir} ] ; then
 865                         eval echo Configuring ${configdir}... ${redirect}
 866                         case "${srcdir}" in
 867                         ".") ;;
 868                         *)
 869                                 if [ ! -d ./${configdir} ] ; then
 870                                         if mkdir ./${configdir} ; then
 871                                                 true
 872                                         else
 873                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 874                                                 exit 1
 875                                         fi
 876                                 fi
 877                                 ;;
 878                         esac
 879
 880                         POPDIR=${PWD=`pwd`}
 881                         cd ${configdir}
 882
 883 ### figure out what to do with srcdir
 884                         case "${srcdir}" in
 885                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 886                         /*) # absolute path
 887                                 newsrcdir=${srcdir}/${configdir}
 888                                 srcdiroption="-srcdir=${newsrcdir}"
 889                                 ;;
 890                         *) # otherwise relative
 891                                 newsrcdir=../${srcdir}/${configdir}
 892                                 srcdiroption="-srcdir=${newsrcdir}"
 893                                 ;;
 894                         esac
 895
 896 ### check for guested configure, otherwise fix possibly relative progname
 897                         if [ -f ${newsrcdir}/configure ] ; then
 898                                 recprog=${newsrcdir}/configure
 899                         else
 900                                 case "${progname}" in
 901                                 /*)     recprog=${progname} ;;
 902                                 *)      recprog=../${progname} ;;
 903                                 esac
 904                         fi
 905
 906 ### The recursion line is here.
 907                         if eval ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 908                                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 909                                 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 910                                 true
 911                         else
 912                                 exit 1
 913                         fi
 914
 915                         cd ${POPDIR}
 916                 fi
 917         done
 918 fi
 919
 920 exit 0
 921
 922 #
 923 # Local Variables:
 924 # fill-column: 131
 925 # End:
 926 #
 927
 928 # end of configure