configure

   1 #!/bin/sh
   2
   3 # Configuration script
   4 #   Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 # Please email any bugs, comments, and/or additions to this file to:
  21 # configure@cygnus.com
  22
  23 # This file was written by K. Richard Pixley.
  24
  25 #
  26 # Shell script to create proper links to machine-dependent files in
  27 # preparation for compilation.
  28 #
  29 # If configure succeeds, it leaves its status in config.status.
  30 # If configure fails after disturbing the status quo,
  31 #       config.status is removed.
  32 #
  33
  34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 #for Test
  41 #remove="echo rm"
  42 #hard_link="echo ln"
  43 #symbolic_link="echo ln -s"
  44
  45 # clear some things potentially inherited from environment.
  46
  47 Makefile=Makefile
  48 Makefile_in=Makefile.in
  49 arguments=$*
  50 configdirs=
  51 exec_prefix=
  52 exec_prefixoption=
  53 fatal=
  54 floating_point=default
  55 gas=default
  56 host_alias=
  57 host_makefile_frag=
  58 next_host=
  59 next_prefix=
  60 next_site=
  61 next_srcdir=
  62 next_target=
  63 moveifchange=
  64 next_tmpdir=
  65 norecursion=
  66 removing=
  67 prefix=/usr/local
  68 progname=
  69 program_prefix=
  70 program_prefix_option=
  71 silent=
  72 site=
  73 site_option=
  74 site_makefile_frag=
  75 srcdir=
  76 srctrigger=
  77 subdirs=
  78 target_alias=
  79 target_makefile_frag=
  80 undefinedargs=
  81 verbose=
  82 version="$Revision$"
  83 x11=default
  84
  85 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  86
  87 ## this is a little touchy and won't always work, but...
  88 ##
  89 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  90 ## must) be used as is.
  91 ##
  92 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  93 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  94 ##
  95
  96 PWD=`pwd`
  97 progname=$0
  98
  99 case "${progname}" in
 100 /*) ;;
 101 */*) ;;
 102 *)
 103         PATH=$PATH:${PWD} ; export PATH
 104         ;;
 105 esac
 106
 107 for arg in $*;
 108 do
 109         # handle things that might have args following as separate words
 110         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 111         elif [ -n "${next_exec_prefix}" ] ; then
 112                 exec_prefix=${arg}
 113                 exec_prefixoption="-exec_prefix=${exec_prefix}"
 114                 next_exec_prefix=
 115         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
 116         # remove any possible trailing slash from srcdir.  See note below.
 117         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
 118         elif [ -n "${next_program_prefix}" ] ; then
 119                 program_prefix=${arg}
 120                 program_prefixoption="-program_prefix=${program_prefix}"
 121                 next_program_prefix=
 122         elif [ -n "${next_target}" ] ; then
 123                 next_target=
 124                 case "${target_alias}" in
 125                 "")
 126                         target_alias="${arg}"
 127                         ;;
 128                 *)
 129                         echo '***' Can only configure for one target at a time.  1>&2
 130                         fatal=yes
 131                         ;;
 132                 esac
 133         elif [ -n "${next_tmpdir}" ] ; then
 134                 next_tmpdir=
 135                 tmpdiroption="--tmpdir=${arg}"
 136                 TMPDIR=${arg}
 137
 138         else
 139                 case ${arg} in
 140                 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
 141                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 142                         exec_prefixoption=${arg}
 143                         ;;
 144                 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
 145                         next_exec_prefix=yes
 146                         ;;
 147                 -gas | --g*)
 148                         gas=yes
 149                         ;;
 150                 -help | --he*)
 151                         fatal=true
 152                         ;;
 153                 -host=* | --host=* | --hos=* | --ho=*)
 154                         case "${host_alias}" in
 155                         "")
 156                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 157                                 ;;
 158                         *)
 159                                 echo '***' Can only configure for one host at a time.  1>&2
 160                                 fatal=yes
 161                                 ;;
 162                         esac
 163                         ;;
 164                 -nfp | --nf*)
 165                         floating_point=no
 166                         ;;
 167                 -norecursion | --no*)
 168                         norecursion=true
 169                         ;;
 170                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 171                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 172                         prefixoption=${arg}
 173                         ;;
 174                 -prefix | --prefix | --prefi | --pref | --pre)
 175                         next_prefix=yes
 176                         ;;
 177                 -rm | --rm) removing=${arg} ;;
 178                 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
 179                         program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 180                         program_prefixoption=${arg}
 181                         ;;
 182                 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
 183                         next_program_prefix=yes
 184                         ;;
 185                 -s | -silent | --silent | --silen | --sile | --sil)
 186                         silent=true
 187                         arguments=`echo ${arguments} | sed "s:${arg}::"`
 188                         ;;
 189                 -site=* | --site=* | --sit=* | --si=*)
 190                         site_option=${arg}
 191                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 192                         ;;
 193                 -site | --site | --sit)
 194                         next_site=yes
 195                         ;;
 196                 # remove trailing slashes.  Otherwise, when the file name gets
 197                 # bolted into an object file as debug info, it has two slashes in
 198                 # it.  Ordinarily this is ok, but emacs takes double slash to
 199                 # mean "forget the first part".
 200                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 201                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 202                         ;;
 203                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 204                         next_srcdir=yes
 205                         ;;
 206                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 207                         case "${target_alias}" in
 208                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 209                         *)
 210                                 echo '***' Can only configure for one target at a time.  1>&2
 211                                 fatal=yes
 212                                 ;;
 213                         esac
 214                         ;;
 215                 -target | --target | --targe | --targ | --tar | --ta)
 216                         next_target=yes
 217                         ;;
 218                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 219                         tmpdiroption=${arg}
 220                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 221                         ;;
 222                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 223                         next_tmpdir=yes
 224                         ;;
 225                 -v | -verbose | --v)
 226                         verbose=${arg}
 227                         ;;
 228                 -version | -V | --version | --V)
 229                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 230                         exit 0
 231                         ;;
 232                 -x | --x) ;;
 233                 -* | --*)
 234                         (echo ;
 235                         echo "Unrecognized option: \"${arg}\"". ;
 236                         echo) 1>&2
 237                         fatal=true
 238                         ;;
 239                 *)
 240                         case "${undefs}" in
 241                         "")
 242                                 undefs="${arg}"
 243                                 ;;
 244                         *)
 245                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 246                                 fatal=yes
 247                                 ;;
 248                         esac
 249                         ;;
 250                 esac
 251         fi
 252 done
 253
 254 # process host and target
 255 case "${fatal}" in
 256 "")
 257 #       # Complain if an arg is missing
 258 #       if [ -z "${host_alias}" ] ; then
 259 #               (echo ;
 260 #               echo "configure: No HOST specified." ;
 261 #               echo) 1>&2
 262 #               fatal=true
 263 #       fi
 264
 265 ### This is a bit twisted.
 266 ### * if all three are specified, this is an error.
 267 ### * if we have neither hosts, nor unadorned args, this is an error.
 268 ### * if no hosts are specified, then the unadorned args are hosts, but if
 269 ### there were none, this is an error.
 270 ### * if no targets are specified, then the unadorned args are targets, but if
 271 ### there were no unadorned args, then the hosts are also targets.
 272
 273         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 274                 echo '***' Can only configure for one host and one target at a time.  1>&2
 275                 fatal=yes
 276         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 277                 echo '***' You must tell me for which host you want to configure.  1>&2
 278                 fatal=yes
 279         else
 280                 case "${host_alias}" in
 281                 "") host_alias=${undefs} ;;
 282                 *) ;;
 283                 esac
 284
 285                 case "${target_alias}" in
 286                 "")
 287                         case "${undefs}" in
 288                         "")     target_alias=${host_alias} ;;
 289                         *)      target_alias=${undefs} ;;
 290                         esac
 291                         ;;
 292                 *) ;;
 293                 esac
 294         fi
 295         ;;
 296 *) ;;
 297 esac
 298
 299 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 300         (echo "Usage: configure HOST" ;
 301         echo ;
 302         echo "Options: [defaults in brackets]" ;
 303         echo " -exec_prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 304         echo " -gas                     configure the compilers for use with gas. [native as]" ;
 305         echo " -help                    print this message. [normal config]" ;
 306         echo " -lang=LANG               configure to build LANG. [gcc]" ;
 307         echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
 308         echo " -norecursion             configure this directory only. [recurse]" ;
 309         echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 310         echo " -program_prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 311         echo " -site=SITE               configure with site specific makefile for SITE" ;
 312         echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 313         echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 314         echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 315         echo ;
 316         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 317         ) 1>&2
 318
 319         if [ -r config.status ] ; then
 320                 cat config.status
 321         fi
 322
 323         exit 1
 324 fi
 325
 326 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 327 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 328
 329 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 330 if ${configsub} sun4 >/dev/null 2>&1 ; then
 331         true
 332 else
 333         echo '***' cannot find config.sub.  1>&2
 334         exit 1
 335 fi
 336
 337 touch config.junk
 338 if ${moveifchange} config.junk config.trash ; then
 339         true
 340 else
 341         echo '***' cannot find move-if-change.  1>&2
 342         exit 1
 343 fi
 344 rm -f config.junk config.trash
 345
 346 case "${srcdir}" in
 347 "")
 348         if [ -r configure.in ] ; then
 349                 srcdir=.
 350         else
 351                 if [ -r ${progname}.in ] ; then
 352                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 353                 else
 354                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 355                         exit 1
 356                 fi
 357         fi
 358         ;;
 359 *) ;;
 360 esac
 361
 362 ### warn about some conflicting configurations.
 363
 364 case "${srcdir}" in
 365 ".") ;;
 366 *)
 367         if [ -f ${srcdir}/config.status ] ; then
 368                 echo '***' Cannot configure here in \"${PWD}\" when \"${srcdir}\" is currently configured. 1>&2
 369                 exit 1
 370         fi
 371 esac
 372
 373 # default exec_prefix
 374 case "${exec_prefix}" in
 375 "") exec_prefix="\$(prefix)" ;;
 376 *) ;;
 377 esac
 378
 379 ### break up ${srcdir}/configure.in.
 380 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 381 "")
 382         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 383         exit 1
 384         ;;
 385 *) ;;
 386 esac
 387
 388 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 389 "")
 390         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 391         exit 1
 392         ;;
 393 *) ;;
 394 esac
 395
 396 case "${TMPDIR}" in
 397 "") TMPDIR=/tmp ; export TMPDIR ;;
 398 *) ;;
 399 esac
 400
 401 # keep this filename short for &%*%$*# 14 char file names
 402 tmpfile=${TMPDIR}/cONf$$
 403 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 404
 405 # split ${srcdir}/configure.in into common, per-host, per-target,
 406 # and post-target parts.  Post-target is optional.
 407 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 408 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 409 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 410   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 411   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 412 else
 413   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 414   echo >${tmpfile}.pos
 415 fi
 416
 417 ### do common part of configure.in
 418
 419 . ${tmpfile}.com
 420
 421 # some sanity checks on configure.in
 422 case "${srctrigger}" in
 423 "")
 424         echo '***' srctrigger not set in ${PWD}/configure.in.  1>&2
 425         exit 1
 426         ;;
 427 *) ;;
 428 esac
 429
 430 result=`${configsub} ${host_alias}`
 431 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 432 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 433 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 434 host=${host_cpu}-${host_vendor}-${host_os}
 435
 436 . ${tmpfile}.hst
 437
 438 result=`${configsub} ${target_alias}`
 439 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 440 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 441 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 442 target=${target_cpu}-${target_vendor}-${target_os}
 443
 444 . ${tmpfile}.tgt
 445
 446 # Find the source files, if location was not specified.
 447 case "${srcdir}" in
 448 "")
 449         srcdirdefaulted=1
 450         srcdir=.
 451         if [ ! -r ${srctrigger} ] ; then
 452                 srcdir=..
 453         fi
 454         ;;
 455 *) ;;
 456 esac
 457
 458 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 459         case "${srcdirdefaulted}" in
 460         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
 461         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
 462         esac
 463
 464         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 465         exit 1
 466 fi
 467
 468 for subdir in . ${subdirs} ; do
 469
 470     # ${subdir} is relative path from . to the directory we're currently
 471     # configuring.
 472     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 473     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 474
 475     ### figure out what to do with srcdir
 476     case "${srcdir}" in
 477         ".")  # no -srcdir option.  We're building in place.
 478                 makesrcdir=. ;;
 479         /*) # absolute path
 480                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 481                 ;;
 482         *) # otherwise relative
 483                 case "${subdir}" in
 484                 .) makesrcdir=${srcdir} ;;
 485                 *) makesrcdir=../${srcdir}/${subdir} ;;
 486                 esac
 487                 ;;
 488     esac
 489
 490     if [ "${subdir}/" != "./" ] ; then
 491         Makefile=${subdir}/Makefile
 492     fi
 493
 494     if [ ! -d ${subdir} ] ; then
 495         mkdir ${subdir}
 496     fi
 497
 498     case "${removing}" in
 499     "")
 500         if [ -n "${verbose}" -o -z "${silent}" ] ; then
 501             echo Building in ${subdir}
 502         fi
 503         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 504         # Set up the list of links to be made.
 505         # ${links} is the list of link names, and ${files} is the list of names to link to.
 506
 507         # Make the links.
 508         configlinks="${links}"
 509         mv -f config.status config.back
 510         while [ -n "${files}" ] ; do
 511                 # set file to car of files, files to cdr of files
 512                 set ${files}; file=$1; shift; files=$*
 513                 set ${links}; link=$1; shift; links=$*
 514
 515                 if [ ! -r ${srcdir}/${file} ] ; then
 516                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 517                         echo '***' "since the file \"${file}\" does not exist." 1>&2
 518                         exit 1
 519                 fi
 520
 521                 ${remove} -f ${link}
 522                 # Make a symlink if possible, otherwise try a hard link
 523                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 524
 525                 if [ ! -r ${link} ] ; then
 526                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 527                         exit 1
 528                 fi
 529
 530                 case "${verbose}" in
 531                 "") ;;
 532                 *)  echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
 533                 esac
 534         done
 535
 536         # Create a .gdbinit file which runs the one in srcdir
 537         # and tells GDB to look there for source files.
 538
 539         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 540                 case ${srcdir} in
 541                 .)
 542                         ;;
 543                 *) cat > ${subdir}/.gdbinit <<EOF
 544 # ${NO_EDIT}
 545 dir .
 546 dir ${makesrcdir}
 547 source ${makesrcdir}/.gdbinit
 548 EOF
 549                         ;;
 550                 esac
 551         fi
 552
 553         # Install a makefile, and make it set VPATH
 554         # if necessary so that the sources are found.
 555         # Also change its value of srcdir.
 556         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 557         # been somewhat optimized and is perhaps a bit twisty.
 558
 559         # code is order so as to try to sed the smallest input files we know.
 560
 561         # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
 562         # so do these separately because I don't trust the order of sed -e expressions.
 563
 564         # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 565         rm -f Makefile.tem
 566         case "${site}" in
 567         "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 568         *)
 569                 site_makefile_frag=${srcdir}/config/ms-${site}
 570
 571                 if [ -f ${site_makefile_frag} ] ; then
 572                         sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 573                                 > ${subdir}/Makefile.tem
 574                 else
 575                         cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 576                         site_makefile_frag=
 577                 fi
 578                 ;;
 579         esac
 580         # working copy now in ${subdir}/Makefile.tem
 581
 582         # Conditionalize the makefile for this host.
 583         rm -f ${Makefile}
 584         case "${host_makefile_frag}" in
 585         "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 586         *)
 587                 if [ ! -f ${host_makefile_frag} ] ; then
 588                         host_makefile_frag=${srcdir}/${host_makefile_frag}
 589                 fi
 590                 if [ -f ${host_makefile_frag} ] ; then
 591                         sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 592                 else
 593                         echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 594                         echo '***' is missing in ${PWD}. 1>&2
 595                         mv ${subdir}/Makefile.tem ${Makefile}
 596                 fi
 597         esac
 598         # working copy now in ${Makefile}
 599
 600         # Conditionalize the makefile for this target.
 601         rm -f Makefile.tem
 602         case "${target_makefile_frag}" in
 603         "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 604         *)
 605                 target_makefile_frag=${srcdir}/${target_makefile_frag}
 606                 if [ -f ${target_makefile_frag} ] ; then
 607                         sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 608                 else
 609                         mv ${Makefile} ${subdir}/Makefile.tem
 610                         target_makefile_frag=
 611                 fi
 612                 ;;
 613         esac
 614         # real copy now in ${subdir}/Makefile.tem
 615
 616         # prepend warning about editting, and a bunch of variables.
 617         rm -f ${Makefile}
 618         cat > ${Makefile} <<EOF
 619 # ${NO_EDIT}
 620 VPATH = ${makesrcdir}
 621 links = ${configlinks}
 622 host_alias = ${host_alias}
 623 host_cpu = ${host_cpu}
 624 host_vendor = ${host_vendor}
 625 host_os = ${host_os}
 626 target_alias = ${target_alias}
 627 target_cpu = ${target_cpu}
 628 target_vendor = ${target_vendor}
 629 target_os = ${target_os}
 630 EOF
 631         if [ "${target_makefile_frag}" != "" ] ; then
 632             echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile}
 633         fi
 634         if [ "${host_makefile_frag}" != "" ] ; then
 635             echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile}
 636         fi
 637         if [ "${site_makefile_frag}" != "" ] ; then
 638             echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 639         fi
 640
 641         # fixme: this shouldn't be in configure.
 642         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 643         case "${host_alias}" in
 644         "${target_alias}")
 645                 tooldir='$(libdir)'
 646                 echo "ALL=all.internal" >> ${Makefile}
 647                 ;;
 648         *)
 649                 echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
 650                 echo "ALL=all.cross" >> ${Makefile}
 651                 case "${program_prefix}" in
 652                 "")     program_prefix=${target_alias}- ;;
 653                 *)      ;;
 654                 esac
 655
 656                 tooldir="\$(libdir)/${target_alias}"
 657                 ;;
 658         esac
 659
 660         # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 661         # remove any form feeds.
 662         if [ -z "${subdirs}" ]; then
 663             sed -e "s:^SUBDIRS[         ]*=.*$:SUBDIRS = ${configdirs}:" \
 664                 -e "s:^NONSUBDIRS[      ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 665                 ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 666             mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 667         fi
 668         sed -e "s:^prefix[      ]*=.*$:prefix = ${prefix}:" \
 669                 -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
 670                 -e "s:^srcdir[  ]*=.*$:srcdir = ${makesrcdir}:" \
 671                 -e "s/\f//" \
 672                 -e "s:^program_prefix[  ]*=.*$:program_prefix = ${program_prefix}:" \
 673                 -e "s:^tooldir[         ]*=.*$:tooldir = ${tooldir}:" \
 674                 ${subdir}/Makefile.tem >> ${Makefile}
 675         # final copy now in ${Makefile}
 676
 677         rm -f ${subdir}/Makefile.tem
 678
 679         if [ -n "${verbose}" -o -z "${silent}" ] ; then
 680                 case "${host_makefile_frag}" in
 681                 "") using= ;;
 682                 *) using="and \"${host_makefile_frag}\"" ;;
 683                 esac
 684
 685                 case "${target_makefile_frag}" in
 686                 "") ;;
 687                 *) using="${using} and \"${target_makefile_frag}\"" ;;
 688                 esac
 689
 690                 case "${site_makefile_frag}" in
 691                 "") ;;
 692                 *) using="${using} and \"${site_makefile_frag}\"" ;;
 693                 esac
 694
 695                 newusing=`echo "${using}" | sed 's/and/using/'`
 696                 using=${newusing}
 697                 echo "Created \"${Makefile}\" in" ${PWD} ${using}
 698         fi
 699
 700         . ${tmpfile}.pos
 701
 702         # describe the chosen configuration in config.status.
 703         # Make that file a shellscript which will reestablish
 704         # the same configuration.  Used in Makefiles to rebuild
 705         # Makefiles.
 706
 707         case "${norecursion}" in
 708         "") arguments="${arguments} -norecursion" ;;
 709         *) ;;
 710         esac
 711
 712         if [ ${subdir} = . ] ; then
 713             echo "#!/bin/sh
 714 # ${NO_EDIT}
 715 # ${PWD} was configured as follows:
 716 ${progname}" ${arguments}  "
 717 # ${using}" > ${subdir}/config.new
 718         else
 719             echo "#!/bin/sh
 720 # ${NO_EDIT}
 721 # ${PWD}/${subdir} was configured as follows:
 722 cd ${invsubdir}
 723 ${progname}" ${arguments}  "
 724 # ${using}" > ${subdir}/config.new
 725         fi
 726         chmod a+x ${subdir}/config.new
 727         mv -f config.back config.status
 728         ${moveifchange} config.new config.back
 729         ;;
 730
 731     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 732     esac
 733 done
 734
 735 # If there are subdirectories, then recur.
 736 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 737         for configdir in ${configdirs} ; do
 738                 case "${verbose}" in
 739                 "") ;;
 740                 *) echo Configuring ${configdir}... ;;
 741                 esac
 742
 743                 if [ -d ${srcdir}/${configdir} ] ; then
 744                         case "${srcdir}" in
 745                         ".") ;;
 746                         *)
 747                                 if [ ! -d ./${configdir} ] ; then
 748                                         mkdir ./${configdir}
 749                                 fi
 750                                 ;;
 751                         esac
 752
 753                         POPDIR=${PWD}
 754                         cd ${configdir}
 755
 756 ### figure out what to do with srcdir
 757                         case "${srcdir}" in
 758                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 759                         /*) # absolute path
 760                                 newsrcdir=${srcdir}/${configdir}
 761                                 srcdiroption="-srcdir=${newsrcdir}"
 762                                 ;;
 763                         *) # otherwise relative
 764                                 newsrcdir=../${srcdir}/${configdir}
 765                                 srcdiroption="-srcdir=${newsrcdir}"
 766                                 ;;
 767                         esac
 768
 769 ### check for guested configure, otherwise fix possibly relative progname
 770                         if [ -f ${newsrcdir}/configure ] ; then
 771                                 recprog=${newsrcdir}/configure
 772                         else
 773                                 case "${progname}" in
 774                                 /*)     recprog=${progname} ;;
 775                                 *)      recprog=../${progname} ;;
 776                                 esac
 777                         fi
 778
 779 ### The recursion line is here.
 780                         if ${recprog} -s ${host_alias} -target=${target_alias} \
 781                                 ${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 782                                 ${srcdiroption} ${program_prefixoption} ${site_option} ${removing} ; then
 783                                 true
 784                         else
 785                                 exit 1
 786                         fi
 787
 788                         cd ${POPDIR}
 789                 else
 790                         case "${verbose}" in
 791                         "") ;;
 792                         *) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
 793                         esac
 794                 fi
 795         done
 796 fi
 797
 798 ### clean up.
 799
 800 # trap cmd above handles this now:
 801 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
 802
 803 exit 0
 804
 805 #
 806 # Local Variables:
 807 # fill-column: 131
 808 # End:
 809 #
 810
 811 # end of configure