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