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