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1 #!/bin/sh
2
3 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
4
5 # Configuration script
6 # Copyright (C) 1988, 90, 91, 92, 93, 94, 95, 96, 1997
7 # Free Software Foundation, Inc.
8
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
13
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 # GNU General Public License for more details.
18
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write to the Free Software
21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22
23 # This file was originally 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 build_alias=
51 cache_file=config.cache
52 cache_file_option=
53 configdirs=
54 exec_prefix=
55 exec_prefixoption=
56 fatal=
57 floating_point=default
58 gas=default
59 gcc_version=UNKNOWN
60 host_alias=NOHOST
61 host_makefile_frag=
62 moveifchange=
63 norecursion=
64 other_options=
65 package_makefile_frag=
66 package_makefile_rules_frag=
67 prefix=/usr/local
68 progname=
69 program_prefix=
70 program_prefixoption=
71 program_suffix=
72 program_suffixoption=
73 program_transform_name=
74 program_transform_nameoption=
75 redirect=">/dev/null"
76 removing=
77 site=
78 site_makefile_frag=
79 site_option=
80 srcdir=
81 srctrigger=
82 subdirs=
83 target_alias=NOTARGET
84 target_makefile_frag=
85 undefs=NOUNDEFS
86 version="$Revision: 1.22 $"
87 x11=default
88
89 ### we might need to use some other shell than /bin/sh for running subshells
90
91 ### If we are on Windows, search for the shell.  This will permit people
92 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
93 ### without also having to set CONFIG_SHELL.  This code will work when
94 ### using bash, which sets OSTYPE.
95 case "${OSTYPE}" in
96 *win32*)
97   if [ x${CONFIG_SHELL} = x ]; then
98     if [ ! -f /bin/sh ]; then
99       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
100         CONFIG_SHELL=${SHELL}
101         export CONFIG_SHELL
102       else
103         for prog in sh sh.exe bash bash.exe; do
104           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
105           for dir in $PATH; do
106             test -z "$dir" && dir=.
107             if test -f $dir/$prog; then
108               CONFIG_SHELL=$dir/$prog
109               export CONFIG_SHELL
110               break
111             fi
112           done
113           IFS="$save_ifs"
114           test -n "${CONFIG_SHELL}" && break
115         done
116       fi
117     fi
118   fi
119   ;;
120 esac
121
122 config_shell=${CONFIG_SHELL-/bin/sh}
123
124 NO_EDIT="This file was generated automatically by configure.  Do not edit."
125
126 ## this is a little touchy and won't always work, but...
127 ##
128 ## if the argv[0] starts with a slash then it is an absolute name that can (and
129 ## must) be used as is.
130 ##
131 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
132 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
133 ##
134
135 progname=$0
136 # if PWD already has a value, it is probably wrong.
137 if [ -n "$PWD" ]; then PWD=`pwd`; fi
138
139 case "${progname}" in
140 /*) ;;
141 */*) ;;
142 *)
143         PATH=$PATH:${PWD=`pwd`} ; export PATH
144         ;;
145 esac
146
147 # Loop over all args
148
149 while :
150 do
151
152 # Break out if there are no more args
153         case $# in
154         0)
155                 break
156                 ;;
157         esac
158
159 # Get the first arg, and shuffle
160         option=$1
161         shift
162
163 # Make all options have two hyphens
164         orig_option=$option     # Save original for error messages
165         case $option in
166         --*) ;;
167         -*) option=-$option ;;
168         esac
169                 
170 # Split out the argument for options that take them
171         case $option in
172         --*=*)
173                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
174                 arguments="$arguments $option"
175                 ;;
176 # These options have mandatory values.  Since we didn't find an = sign,
177 # the value must be in the next argument
178         --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
179                 optarg=$1
180                 shift
181                 arguments="$arguments $option=$optarg"
182                 ;;
183         --v)
184                 arguments="$arguments -v"
185                 ;;
186         --*)
187                 arguments="$arguments $option"
188                 ;;
189         esac
190
191 # Now, process the options
192         case $option in
193
194         --build* | --bu*)
195                 case "$build_alias" in
196                 "") build_alias=$optarg ;;
197                 *) echo '***' Can only configure for one build machine at a time.  1>&2
198                    fatal=yes
199                    ;;
200                 esac
201                 ;;
202         --cache*)
203                 cache_file=$optarg
204                 ;;
205         --disable-*)
206                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
207                 eval $enableopt=no
208                 disableoptions="$disableoptions $option"
209                 ;;
210         --enable-*)
211                 case "$option" in
212                 *=*)    ;;
213                 *)      optarg=yes ;;
214                 esac
215
216                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
217                 eval "$enableopt='$optarg'"
218                 enableoptions="$enableoptions '$option'"
219                 ;;
220         --exec-prefix* | --ex*)
221                 exec_prefix=$optarg
222                 exec_prefixoption="--exec-prefix=$optarg"
223                 ;;
224         --gas | --g*)
225                 gas=yes
226                 ;;
227         --help | --he*)
228                 fatal=yes
229                 ;;
230         --host* | --ho*)
231                 case $host_alias in
232                 NOHOST) host_alias=$optarg ;;
233                 *) echo '***' Can only configure for one host at a time.  1>&2
234                    fatal=yes
235                    ;;
236                 esac
237                 ;;
238         --nfp | --nf*)
239                 floating_point=no
240                 floating_pointoption="--nfp"
241                 ;;
242         --norecursion | --no*)
243                 norecursion=yes
244                 ;;
245         --prefix* | --pre*)
246                 prefix=$optarg
247                 prefixoption="--prefix=$optarg"
248                 ;;
249         --program-prefix* | --program-p*)
250                 program_prefix=$optarg
251                 program_prefixoption="--program-prefix=$optarg"
252                 ;;
253         --program-suffix* | --program-s*)
254                 program_suffix=$optarg
255                 program_suffixoption="--program-suffix=$optarg"
256                 ;;
257         --program-transform-name* | --program-t*)
258                 # Double any backslashes or dollar signs in the argument
259                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
260                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
261                 ;;
262         --rm)
263                 removing=--rm
264                 ;;
265         --silent | --sil* | --quiet | --q*)
266                 redirect=">/dev/null"
267                 verbose=--silent
268                 ;;
269         --site* | --sit*)
270                 site=$optarg
271                 site_option="--site=$optarg"
272                 ;;
273         --srcdir*/ | --sr*/)
274                 # Remove trailing slashes.  Otherwise, when the file name gets
275                 # bolted into an object file as debug info, it has two slashes
276                 # in it.  Ordinarily this is ok, but emacs takes double slash
277                 # to mean "forget the first part".
278                 srcdir=`echo $optarg | sed -e 's:/$::'`
279                 ;;
280         --srcdir* | --sr*)
281                 srcdir=$optarg
282                 ;;
283         --target* | --ta*)
284                 case $target_alias in
285                 NOTARGET) target_alias=$optarg ;;
286                 *) echo '***' Can only configure for one target at a time.  1>&2
287                    fatal=yes
288                    ;;
289                 esac
290                 ;;
291         --tmpdir* | --tm*)
292                 TMPDIR=$optarg
293                 tmpdiroption="--tmpdir=$optarg"
294                 ;;
295         --verbose | --v | --verb*)
296                 redirect=
297                 verbose=--verbose
298                 ;;
299         --version | --V | --vers*)
300                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
301                 exit 0
302                 ;;
303         --with-*)
304                 case "$option" in
305                 *=*)    ;;
306                 *)      optarg=yes ;;
307                 esac
308
309                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
310                 eval $withopt="$optarg"
311                 withoptions="$withoptions $option"
312                 ;;
313         --without-*)
314                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
315                 eval $withopt=no
316                 withoutoptions="$withoutoptions $option"
317                 ;;
318         --x)    with_x=yes
319                 withoptions="$withoptions --with-x"
320                 ;;
321         --x-i* | --x-l*) other_options="$other_options $orig_option"
322                 ;;
323         --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
324                 # These options were added to autoconf for emacs.
325                 ;;
326         --*)
327                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
328                 exit 1
329                 ;;
330         *)
331                 case $undefs in
332                 NOUNDEFS) undefs=$option ;;
333                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
334                    fatal=yes
335                    ;;
336                 esac
337                 ;;
338         esac
339 done
340
341 # process host and target
342
343 # Do some error checking and defaulting for the host and target type.
344 # The inputs are:
345 #    configure --host=HOST --target=TARGET UNDEFS
346 #
347 # The rules are:
348 # 1. You aren't allowed to specify --host, --target, and undefs at the
349 #    same time.
350 # 2. Host defaults to undefs.
351 # 3. If undefs is not specified, then host defaults to the current host,
352 #    as determined by config.guess.
353 # 4. Target defaults to undefs.
354 # 5. If undefs is not specified, then target defaults to host.
355
356 case "${fatal}" in
357 "")
358         # Make sure that host, target & undefs aren't all specified at the
359         # same time.
360         case $host_alias---$target_alias---$undefs in
361         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
362                 ;;
363         *) echo '***' Can only configure for one host and one target at a time.  1>&2
364            fatal=yes
365            break 2
366                 ;;
367         esac
368
369         # Now, do defaulting for host.
370         case $host_alias in
371         NOHOST)
372                 case $undefs in
373                 NOUNDEFS)
374                         # Neither --host option nor undefs were present.
375                         # Call config.guess.
376                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
377                         if host_alias=`${config_shell} ${guesssys}`
378                         then
379                                 # If the string we are going to use for
380                                 # the target is a prefix of the string
381                                 # we just guessed for the host, then
382                                 # assume we are running native, and force
383                                 # the same string for both target and host.
384                                 case $target_alias in
385                                 NOTARGET) ;;
386                                 *)
387                                         if expr $host_alias : $target_alias >/dev/null
388                                         then
389                                                 host_alias=$target_alias
390                                         fi
391                                         ;;
392                                 esac
393                                 echo "Configuring for a ${host_alias} host." 1>&2
394                                 arguments="--host=$host_alias $arguments"
395                         else
396                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
397                                 fatal=yes
398                         fi
399                         ;;
400                 *)
401                         host_alias=$undefs
402                         arguments="--host=$host_alias $arguments"
403                         undefs=NOUNDEFS
404                         ;;
405                 esac
406         esac
407
408         # Do defaulting for target.  If --target option isn't present, default
409         # to undefs.  If undefs isn't present, default to host.
410         case $target_alias in
411         NOTARGET)
412                 case $undefs in
413                 NOUNDEFS)
414                         target_alias=$host_alias
415                         ;;
416                 *)
417                         target_alias=$undefs
418                         arguments="--target=$target_alias $arguments"
419                         ;;
420                 esac
421         esac
422         ;;
423 *) ;;
424 esac
425
426 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
427         exec 1>&2
428         echo Usage: configure [OPTIONS] [HOST]
429         echo
430         echo Options: [defaults in brackets]
431         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
432         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
433         echo ' --help                    print this message [normal config]'
434         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
435         echo ' --host=HOST               configure for HOST [determined via config.guess]'
436         echo ' --norecursion             configure this directory only [recurse]'
437         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
438         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
439         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
440         echo ' --site=SITE               configure with site-specific makefile for SITE'
441         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
442         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
443         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
444         echo ' --nfp                     configure for software floating point [hard float]'
445         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
446         echo ' --without-FOO             package FOO is NOT available'
447         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
448         echo ' --disable-FOO             do not include feature FOO'
449         echo
450         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
451         echo
452         if [ -r config.status ] ; then
453                 cat config.status
454         fi
455
456         exit 1
457 fi
458
459 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
460 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
461
462 # this is a hack.  sun4 must always be a valid host alias or this will fail.
463 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
464         true
465 else
466         echo '***' cannot find config.sub.  1>&2
467         exit 1
468 fi
469
470 touch config.junk
471 if ${config_shell} ${moveifchange} config.junk config.trash ; then
472         true
473 else
474         echo '***' cannot find move-if-change.  1>&2
475         exit 1
476 fi
477 rm -f config.junk config.trash
478
479 case "${srcdir}" in
480 "")
481         if [ -r configure.in ] ; then
482                 srcdir=.
483         else
484                 if [ -r ${progname}.in ] ; then
485                         srcdir=`echo ${progname} | sed 's:/configure$::'`
486                 else
487                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
488                         exit 1
489                 fi
490         fi
491         ;;
492 *)
493         # Set srcdir to "." if that's what it is.
494         # This is important for multilib support.
495         if [ ! -d ${srcdir} ] ; then
496                 echo "Invalid source directory ${srcdir}" >&2
497                 exit 1
498         fi
499         pwd=`pwd`
500         srcpwd=`cd ${srcdir} ; pwd`
501         if [ "${pwd}" = "${srcpwd}" ] ; then
502                 srcdir=.
503         fi
504 esac
505
506 ### warn about some conflicting configurations.
507
508 case "${srcdir}" in
509 ".") ;;
510 *)
511         if [ -f ${srcdir}/config.status ] ; then
512                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
513                 exit 1
514         fi
515 esac
516
517 # default exec_prefix
518 case "${exec_prefixoption}" in
519 "") exec_prefix="\$(prefix)" ;;
520 *) ;;
521 esac
522
523 ### break up ${srcdir}/configure.in.
524 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
525 "")
526         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
527         # Check for a directory that's been converted to use autoconf since
528         # it was last configured.
529         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
530           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
531           if [ -r ${srcdir}/configure ] ; then
532             echo '***' Running the local configure script. 1>&2
533             case "${cache_file}" in
534             "") cache_file_option= ;;
535             *)  cache_file_option="--cache-file=${cache_file}" ;;
536             esac
537             srcdiroption="--srcdir=${srcdir}"
538             case "${build_alias}" in
539             "") buildopt= ;;
540             *)  buildopt="--build=${build_alias}" ;;
541             esac
542             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
543                 ${buildopt} --host=${host_alias} --target=${target_alias} \
544                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
545                 ${srcdiroption} \
546                 ${program_prefixoption} ${program_suffixoption} \
547                 ${program_transform_nameoption} ${site_option} \
548                 ${withoptions} ${withoutoptions} \
549                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
550                 ${cache_file_option} ${removing} ${other_options} ${redirect}
551           else
552             echo '***' There is no configure script present though. 1>&2
553           fi
554         fi
555         exit 1
556         ;;
557 *) ;;
558 esac
559
560 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
561 "")
562         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
563         exit 1
564         ;;
565 *) ;;
566 esac
567
568 case "${TMPDIR}" in
569 "") TMPDIR=/tmp ; export TMPDIR ;;
570 *) ;;
571 esac
572
573 # keep this filename short for &%*%$*# 14 char file names
574 tmpfile=${TMPDIR}/cONf$$
575 # Note that under many versions of sh a trap handler for 0 will *override* any
576 # exit status you explicitly specify!  At this point, the only non-error exit
577 # is at the end of the script; these actions are duplicated there, minus
578 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
579 # trap handler, or you'll lose.
580 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
581
582 # split ${srcdir}/configure.in into common, per-host, per-target,
583 # and post-target parts.  Post-target is optional.
584 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
585 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
586 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
587   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
588   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
589 else
590   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
591   echo >${tmpfile}.pos
592 fi
593
594 ### do common part of configure.in
595
596 . ${tmpfile}.com
597
598 # some sanity checks on configure.in
599 case "${srctrigger}" in
600 "")
601         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
602         exit 1
603         ;;
604 *) ;;
605 esac
606
607 case "${build_alias}" in
608 "")
609         if result=`${config_shell} ${configsub} ${host_alias}` ; then
610             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
611             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
612             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
613             build=${build_cpu}-${build_vendor}-${build_os}
614             build_alias=${host_alias}
615         fi
616         ;;
617 *)
618         if result=`${config_shell} ${configsub} ${build_alias}` ; then
619             buildopt="--build=${build_alias}"
620             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
621             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
622             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
623             build=${build_cpu}-${build_vendor}-${build_os}
624         else
625             echo "Unrecognized build system name ${build_alias}." 1>&2
626             exit 1
627         fi
628         ;;
629 esac
630
631 if result=`${config_shell} ${configsub} ${host_alias}` ; then
632     true
633 else
634     echo "Unrecognized host system name ${host_alias}." 1>&2
635     exit 1
636 fi
637 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
638 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
639 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
640 host=${host_cpu}-${host_vendor}-${host_os}
641
642 . ${tmpfile}.hst
643
644 if result=`${config_shell} ${configsub} ${target_alias}` ; then
645     true
646 else
647     echo "Unrecognized target system name ${target_alias}." 1>&2
648     exit 1
649 fi
650 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
651 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
652 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
653 target=${target_cpu}-${target_vendor}-${target_os}
654
655 . ${tmpfile}.tgt
656
657 # Find the source files, if location was not specified.
658 case "${srcdir}" in
659 "")
660         srcdirdefaulted=1
661         srcdir=.
662         if [ ! -r ${srctrigger} ] ; then
663                 srcdir=..
664         fi
665         ;;
666 *) ;;
667 esac
668
669 if [ ! -r ${srcdir}/${srctrigger} ] ; then
670         case "${srcdirdefaulted}" in
671         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
672         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
673         esac
674
675         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
676         exit 1
677 fi
678
679 # Some systems (e.g., one of the i386-aix systems the gas testers are
680 # using) don't handle "\$" correctly, so don't use it here.
681 tooldir='$(exec_prefix)'/${target_alias}
682
683 if [ "${host_alias}" != "${target_alias}" ] ; then
684     if [ "${program_prefixoption}" = "" ] ; then
685         if [ "${program_suffixoption}" = "" ] ; then 
686             if [ "${program_transform_nameoption}" = "" ] ; then
687                 program_prefix=${target_alias}- ;
688             fi
689         fi
690     fi
691 fi
692
693 # Merge program_prefix and program_suffix onto program_transform_name.
694 # (program_suffix used to use $, but it's hard to preserve $ through both
695 # make and sh.)
696 if [ "${program_suffix}" != "" ] ; then
697     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
698 fi
699
700 if [ "${program_prefix}" != "" ] ; then
701     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
702 fi
703
704 # If gcc's sources are available, extract its version number which is used by
705 # $libsubdir.
706 if [ -f $srcdir/gcc/version.c ]; then
707     gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${srcdir}/gcc/version.c`
708 fi
709
710 # If CC and CXX are not set in the environment, and the Makefile
711 # exists, try to extract them from it.  This is to handle running
712 # ./config.status by hand.
713 if [ -z "${CC}" -a -r Makefile ]; then
714   sed -n -e ':loop
715 /\\$/ N
716 s/\\\n//g
717 t loop
718 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
719   CC=`tail -1 Makefile.cc`
720   rm -f Makefile.cc
721 fi
722
723 if [ -z "${CFLAGS}" -a -r Makefile ]; then
724   sed -n -e ':loop
725 /\\$/ N
726 s/\\\n//g
727 t loop
728 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
729   CFLAGS=`tail -1 Makefile.cc`
730   rm -f Makefile.cc
731 fi
732
733 if [ -z "${CXX}" -a -r Makefile ]; then
734   sed -n -e ':loop
735 /\\$/ N
736 s/\\\n//g
737 t loop
738 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
739   CXX=`tail -1 Makefile.cc`
740   rm -f Makefile.cc
741 fi
742
743 if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
744   sed -n -e ':loop
745 /\\$/ N
746 s/\\\n//g
747 t loop
748 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
749   CXXFLAGS=`tail -1 Makefile.cc`
750   rm -f Makefile.cc
751 fi
752
753 # Generate a default definition for YACC.  This is used if the makefile can't
754 # locate bison or byacc in objdir.
755
756 for prog in 'bison -y' byacc yacc
757 do
758   set dummy $prog; tmp=$2
759   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
760   for dir in $PATH; do
761     test -z "$dir" && dir=.
762     if test -f $dir/$tmp; then
763       DEFAULT_YACC="$prog"
764       break
765     fi
766   done
767   IFS="$save_ifs"
768
769   test -n "$DEFAULT_YACC" && break
770 done
771
772 # Generate a default definition for M4.  This is used if the makefile can't
773 # locate m4 in objdir.
774
775 for prog in gm4 gnum4 m4
776 do
777   set dummy $prog; tmp=$2
778   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
779   for dir in $PATH; do
780     test -z "$dir" && dir=.
781     if test -f $dir/$tmp; then
782       DEFAULT_M4="$prog"
783       break
784     fi
785   done
786   IFS="$save_ifs"
787
788   test -n "$DEFAULT_M4" && break
789 done
790
791 # Generate a default definition for LEX.  This is used if the makefile can't
792 # locate flex in objdir.
793
794 for prog in flex lex
795 do
796   set dummy $prog; tmp=$2
797   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
798   for dir in $PATH; do
799     test -z "$dir" && dir=.
800     if test -f $dir/$tmp; then
801       DEFAULT_LEX="$prog"
802       break
803     fi
804   done
805   IFS="$save_ifs"
806
807   test -n "$DEFAULT_LEX" && break
808 done
809
810 if [ "${build}" != "${host}" ]; then
811   # If we are doing a Canadian Cross, in which the host and build systems
812   # are not the same, we set reasonable default values for the tools.
813
814   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
815   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
816   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
817   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
818   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
819   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
820
821   for var in ${tools}; do
822     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
823       sed -n -e ':loop
824 /\\$/ N
825 s/\\\n//g
826 t loop
827 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
828         < Makefile > Makefile.v
829       t=`tail -1 Makefile.v`
830       if [ -n "${t}" ]; then
831         eval "${var}='${t}'"
832       fi
833       rm -f Makefile.v
834     fi
835   done
836
837   AR=${AR-${host_alias}-ar}
838   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
839   AS=${AS-${host_alias}-as}
840   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
841   BISON=${BISON-bison}
842   CC=${CC-${host_alias}-gcc}
843   CFLAGS=${CFLAGS-"-g -O2"}
844   CXX=${CXX-${host_alias}-c++}
845   CXXFLAGS=${CXXFLAGS-"-g -O2"}
846   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
847   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
848   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
849   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
850   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
851   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
852   HOST_PREFIX=${build_alias}-
853   HOST_PREFIX_1=${build_alias}-
854   LD=${LD-${host_alias}-ld}
855   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
856   MAKEINFO=${MAKEINFO-makeinfo}
857   NM=${NM-${host_alias}-nm}
858   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
859   RANLIB=${RANLIB-${host_alias}-ranlib}
860   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
861   WINDRES=${WINDRES-${host_alias}-windres}
862   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
863
864   if [ -z "${YACC}" ]; then
865     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
866     for dir in $PATH; do
867       test -z "$dir" && dir=.
868       if test -f $dir/bison; then
869         YACC="bison -y"
870         break
871       fi
872       if test -f $dir/byacc; then
873         YACC=byacc
874         break
875       fi
876       if test -f $dir/yacc; then
877         YACC=yacc
878         break
879       fi
880     done
881     IFS="$save_ifs"
882     if [ -z "${YACC}" ]; then
883       YACC="bison -y"
884     fi
885   fi
886
887   if [ -z "${LEX}" ]; then
888     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
889     for dir in $PATH; do
890       test -z "$dir" && dir=.
891       if test -f $dir/flex; then
892         LEX=flex
893         break
894       fi
895       if test -f $dir/lex; then
896         LEX=lex
897         break
898       fi
899     done
900     IFS="$save_ifs"
901     LEX=${LEX-flex}
902   fi
903
904   # Export variables which autoconf might try to set.
905   export AS
906   export AR
907   export CC_FOR_BUILD
908   export DLLTOOL
909   export LD
910   export NM
911   export RANLIB
912   export WINDRES
913 else
914   # If CC is still not set, try to get gcc.
915   if [ -z "${CC}" ]; then
916     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
917     for dir in $PATH; do
918       test -z "$dir" && dir=.
919       if test -f $dir/gcc; then
920         CC="gcc"
921         echo 'void f(){}' > conftest.c
922         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
923           CFLAGS=${CFLAGS-"-g -O2"}
924           CXXFLAGS=${CXXFLAGS-"-g -O2"}
925         else
926           CFLAGS=${CFLAGS-"-O2"}
927           CXXFLAGS=${CXXFLAGS-"-O2"}
928         fi
929         rm -f conftest*
930         break
931       fi
932     done
933     IFS="$save_ifs"
934     CC=${CC-cc}
935   fi
936
937   CXX=${CXX-"c++"}
938   CFLAGS=${CFLAGS-"-g"}
939   CXXFLAGS=${CXXFLAGS-"-g -O2"}
940 fi
941
942 export CC
943 export CXX
944 export CFLAGS
945 export CXXFLAGS
946
947 # FIXME: This should be in configure.in, not configure
948 case "$host" in
949         *go32*)
950             enable_gdbtk=no ;;
951         *msdosdjgpp*)
952             enable_gdbtk=no ;;
953         *cygwin32*)
954             enable_gdbtk=no ;;
955 esac
956
957 # FIXME: This should be in configure.in, not configure
958 # Determine whether gdb needs tk/tcl or not.
959 if [ "$enable_gdbtk" != "no" ]; then
960         GDB_TK="all-tcl all-tk all-itcl all-tix"
961 else
962         GDB_TK=""
963 fi
964
965 for subdir in . ${subdirs} ; do
966
967     # ${subdir} is relative path from . to the directory we're currently
968     # configuring.
969     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
970     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
971
972     ### figure out what to do with srcdir
973     case "${srcdir}" in
974         ".")  # no -srcdir option.  We're building in place.
975                 makesrcdir=. ;;
976         /*) # absolute path
977                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
978                 ;;
979         *) # otherwise relative
980                 case "${subdir}" in
981                 .) makesrcdir=${srcdir} ;;
982                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
983                 esac
984                 ;;
985     esac
986
987     if [ "${subdir}/" != "./" ] ; then
988         Makefile=${subdir}/Makefile
989     fi
990
991     if [ ! -d ${subdir} ] ; then
992         if mkdir ${subdir} ; then
993                 true
994         else
995                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
996                 exit 1
997         fi
998     fi
999
1000     case "${removing}" in
1001     "")
1002         case "${subdir}" in
1003         .) ;;
1004         *) eval echo Building in ${subdir} ${redirect} ;;
1005         esac
1006
1007         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1008         # Set up the list of links to be made.
1009         # ${links} is the list of link names, and ${files} is the list of names to link to.
1010
1011         # Make the links.
1012         configlinks="${links}"
1013         if [ -r ${subdir}/config.status ] ; then
1014                 mv -f ${subdir}/config.status ${subdir}/config.back
1015         fi
1016         while [ -n "${files}" ] ; do
1017                 # set file to car of files, files to cdr of files
1018                 set ${files}; file=$1; shift; files=$*
1019                 set ${links}; link=$1; shift; links=$*
1020
1021                 if [ ! -r ${srcdir}/${file} ] ; then
1022                   if [ ! -r ${file} ] ; then
1023                     
1024                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1025                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1026                         exit 1
1027                   else
1028                         srcfile=${file}
1029                   fi
1030                 else
1031                         srcfile=${srcdir}/${file}
1032                 fi
1033
1034                 ${remove} -f ${link}
1035                 # Make a symlink if possible, otherwise try a hard link
1036                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1037                         true
1038                 else
1039                         # We need to re-remove the file because Lynx leaves a 
1040                         # very strange directory there when it fails an NFS symlink.
1041                         ${remove} -r -f ${link}
1042                         ${hard_link} ${srcfile} ${link}
1043                 fi
1044                 if [ ! -r ${link} ] ; then
1045                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1046                         exit 1
1047                 fi
1048
1049                 echo "Linked \"${link}\" to \"${srcfile}\"."
1050         done
1051
1052         # Create a .gdbinit file which runs the one in srcdir
1053         # and tells GDB to look there for source files.
1054
1055         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1056                 case ${srcdir} in
1057                 .) ;;
1058                 *) cat > ${subdir}/.gdbinit <<EOF
1059 # ${NO_EDIT}
1060 dir ${makesrcdir}
1061 dir .
1062 source ${makesrcdir}/.gdbinit
1063 EOF
1064                         ;;
1065                 esac
1066         fi
1067
1068         # Install a makefile, and make it set VPATH
1069         # if necessary so that the sources are found.
1070         # Also change its value of srcdir.
1071         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1072         # been somewhat optimized and is perhaps a bit twisty.
1073
1074         # code is order so as to try to sed the smallest input files we know.
1075         # so do these separately because I don't trust the order of sed -e expressions.
1076
1077         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1078         # package macros, target, host, site, and package rules.
1079
1080         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1081
1082             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1083             rm -f ${subdir}/${Makefile}.tem
1084             case "${package_makefile_rules_frag}" in
1085               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1086               *)
1087                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1088                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1089                       fi
1090                       if [ -f ${package_makefile_rules_frag} ] ; then
1091                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1092                       else
1093                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1094                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1095                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1096                       fi
1097             esac
1098             # working copy now in ${Makefile}.tem
1099
1100             # Conditionalize for this site.
1101             rm -f ${Makefile}
1102               case "${site}" in
1103               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1104               *)
1105                       site_makefile_frag=${srcdir}/config/ms-${site}
1106
1107                       if [ -f ${site_makefile_frag} ] ; then
1108                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1109                                       > ${Makefile}
1110                       else
1111                               mv ${subdir}/Makefile.tem ${Makefile}
1112                               site_makefile_frag=
1113                       fi
1114                       ;;
1115             esac
1116             # working copy now in ${Makefile}
1117
1118             # Conditionalize the makefile for this host.
1119             rm -f ${subdir}/Makefile.tem
1120             case "${host_makefile_frag}" in
1121               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1122               *)
1123                       if [ ! -f ${host_makefile_frag} ] ; then
1124                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1125                       fi
1126                       if [ -f ${host_makefile_frag} ] ; then
1127                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1128                       else
1129                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1130                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1131                               mv ${Makefile} ${subdir}/Makefile.tem
1132                       fi
1133             esac
1134             # working copy now in ${subdir)/Makefile.tem
1135
1136             # Conditionalize the makefile for this target.
1137             rm -f ${Makefile}
1138             case "${target_makefile_frag}" in
1139               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1140               *)
1141                       if [ ! -f ${target_makefile_frag} ] ; then
1142                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1143                       fi
1144                       if [ -f ${target_makefile_frag} ] ; then
1145                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1146                       else
1147                               mv ${subdir}/Makefile.tem ${Makefile}
1148                               target_makefile_frag=
1149                       fi
1150                       ;;
1151             esac
1152             # working copy now in ${Makefile}
1153
1154             # Emit the default values of this package's macros.
1155             rm -f ${subdir}/Makefile.tem
1156             case "${package_makefile_frag}" in
1157               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1158               *)
1159                       if [ ! -f ${package_makefile_frag} ] ; then
1160                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1161                       fi
1162                       if [ -f ${package_makefile_frag} ] ; then
1163                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1164                       else
1165                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1166                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1167                               mv ${Makefile} ${subdir}/Makefile.tem
1168                       fi
1169             esac
1170             # real copy now in ${subdir}/Makefile.tem
1171
1172             # prepend warning about editting, and a bunch of variables.
1173             rm -f ${Makefile}
1174             cat > ${Makefile} <<EOF
1175 # ${NO_EDIT}
1176 VPATH = ${makesrcdir}
1177 links = ${configlinks}
1178 host_alias = ${host_alias}
1179 host_cpu = ${host_cpu}
1180 host_vendor = ${host_vendor}
1181 host_os = ${host_os}
1182 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1183 target_alias = ${target_alias}
1184 target_cpu = ${target_cpu}
1185 target_vendor = ${target_vendor}
1186 target_os = ${target_os}
1187 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1188 EOF
1189             case "${build}" in
1190               "") ;;
1191               *)  cat >> ${Makefile} << EOF
1192 build_alias = ${build_alias}
1193 build_cpu = ${build_cpu}
1194 build_vendor = ${build_vendor}
1195 build_os = ${build_os}
1196 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1197 EOF
1198             esac
1199
1200             case "${package_makefile_frag}" in
1201               "") ;;
1202               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1203               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1204             esac
1205
1206             case "${target_makefile_frag}" in
1207               "") ;;
1208               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1209               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1210             esac
1211
1212             case "${host_makefile_frag}" in
1213               "") ;;
1214               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1215               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1216             esac
1217
1218             if [ "${site_makefile_frag}" != "" ] ; then
1219                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1220             fi 
1221
1222             # provide a proper gxx_include_dir to all subdirs.
1223             # Note, if you change the default, make sure to fix both here
1224             # and in the gcc subdirectory.
1225             if test -z "${with_gxx_include_dir}"; then
1226                 echo gxx_include_dir = '${prefix}/include/g++' >> ${Makefile}
1227             else
1228                 echo gxx_include_dir = ${with_gxx_include_dir} >> ${Makefile}
1229             fi
1230
1231             # record if we want to build shared libs.
1232             if test -z "${enable_shared}"; then
1233                 echo enable_shared = no >> ${Makefile}
1234             else
1235                 echo enable_shared = ${enable_shared} >> ${Makefile}
1236             fi
1237
1238             # Emit a macro which is used to build the libsubdir macro where
1239             # compiler specific stuff can be found/installed.
1240             # FIXME: This works only if gcc's sources are available in a gcc
1241             # subdirectory!
1242             echo gcc_version = ${gcc_version} >> ${Makefile}
1243
1244             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1245             # remove any form feeds.
1246             if [ -z "${subdirs}" ]; then
1247                 rm -f ${subdir}/Makefile.tm2
1248                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1249                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1250                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1251                 rm -f ${subdir}/Makefile.tem
1252                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1253             fi
1254             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1255                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1256                     -e "/^CC[   ]*=/{
1257                         :loop1
1258                         /\\\\$/ N
1259                         s/\\\\\\n//g
1260                         t loop1
1261                         s%^CC[  ]*=.*$%CC = ${CC}%
1262                         }" \
1263                     -e "/^CXX[  ]*=/{
1264                         :loop2
1265                         /\\\\$/ N
1266                         s/\\\\\\n//g
1267                         t loop2
1268                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1269                         }" \
1270                     -e "/^CFLAGS[       ]*=/{
1271                         :loop3
1272                         /\\\\$/ N
1273                         s/\\\\\\n//g
1274                         t loop3
1275                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1276                         }" \
1277                     -e "/^CXXFLAGS[     ]*=/{
1278                         :loop4
1279                         /\\\\$/ N
1280                         s/\\\\\\n//g
1281                         t loop4
1282                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1283                         }" \
1284                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1285                     -e "s:^GDB_TK[       ]*=.*$:GDB_TK = ${GDB_TK}:" \
1286                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1287                     -e "s/\f//" \
1288                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1289                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1290                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1291                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1292                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1293                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1294                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1295                     ${subdir}/Makefile.tem >> ${Makefile}
1296
1297             # If this is a Canadian Cross, preset the values of many more
1298             # tools.
1299             if [ "${build}" != "${host}" ]; then
1300                 for var in ${tools}; do
1301                     val=`eval 'echo $'"${var}"`
1302                     sed -e "/^${var}[   ]*=/{
1303                            :loop1
1304                            /\\\\$/ N
1305                            /\\\\$/ b loop1
1306                            s/\\\\\\n//g
1307                            s%^${var}[   ]*=.*$%${var} = ${val}%
1308                            }" ${Makefile} > ${Makefile}.tem
1309                     mv -f ${Makefile}.tem ${Makefile}
1310                 done
1311             fi
1312
1313             # final copy now in ${Makefile}
1314
1315         else
1316            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1317         fi
1318
1319         rm -f ${subdir}/Makefile.tem
1320
1321         case "${host_makefile_frag}" in
1322         "") using= ;;
1323         *) using="and \"${host_makefile_frag}\"" ;;
1324         esac
1325
1326         case "${target_makefile_frag}" in
1327         "") ;;
1328         *) using="${using} and \"${target_makefile_frag}\"" ;;
1329         esac
1330
1331         case "${site_makefile_frag}" in
1332         "") ;;
1333         *) using="${using} and \"${site_makefile_frag}\"" ;;
1334         esac
1335
1336         newusing=`echo "${using}" | sed 's/and/using/'`
1337         using=${newusing}
1338         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1339
1340         . ${tmpfile}.pos
1341
1342         # describe the chosen configuration in config.status.
1343         # Make that file a shellscript which will reestablish
1344         # the same configuration.  Used in Makefiles to rebuild
1345         # Makefiles.
1346
1347         case "${norecursion}" in
1348         "") arguments="${arguments} --norecursion" ;;
1349         *) ;;
1350         esac
1351
1352         if [ ${subdir} = . ] ; then
1353             echo "#!/bin/sh
1354 # ${NO_EDIT}
1355 # This directory was configured as follows:
1356 ${progname}" ${arguments}  "
1357 # ${using}" > ${subdir}/config.new
1358         else
1359             echo "#!/bin/sh
1360 # ${NO_EDIT}
1361 # This directory was configured as follows:
1362 cd ${invsubdir}
1363 ${progname}" ${arguments}  "
1364 # ${using}" > ${subdir}/config.new
1365         fi
1366         chmod a+x ${subdir}/config.new
1367         if [ -r ${subdir}/config.back ] ; then
1368                 mv -f ${subdir}/config.back ${subdir}/config.status
1369         fi
1370         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1371         ;;
1372
1373     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1374     esac
1375 done
1376
1377 # If there are subdirectories, then recur.
1378 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
1379         for configdir in ${configdirs} ; do
1380
1381                 if [ -d ${srcdir}/${configdir} ] ; then
1382                         eval echo Configuring ${configdir}... ${redirect}
1383                         case "${srcdir}" in
1384                         ".") ;;
1385                         *)
1386                                 if [ ! -d ./${configdir} ] ; then
1387                                         if mkdir ./${configdir} ; then
1388                                                 true
1389                                         else
1390                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1391                                                 exit 1
1392                                         fi
1393                                 fi
1394                                 ;;
1395                         esac
1396
1397                         POPDIR=${PWD=`pwd`}
1398                         cd ${configdir} 
1399
1400 ### figure out what to do with srcdir
1401                         case "${srcdir}" in
1402                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1403                         /*) # absolute path
1404                                 newsrcdir=${srcdir}/${configdir}
1405                                 srcdiroption="--srcdir=${newsrcdir}"
1406                                 ;;
1407                         ?:*) # absolute path on win32
1408                                 newsrcdir=${srcdir}/${configdir}
1409                                 srcdiroption="--srcdir=${newsrcdir}"
1410                                 ;;
1411                         *) # otherwise relative
1412                                 newsrcdir=../${srcdir}/${configdir}
1413                                 srcdiroption="--srcdir=${newsrcdir}"
1414                                 ;;
1415                         esac
1416
1417                         # Handle --cache-file=../XXX
1418                         case "${cache_file}" in
1419                         "") # empty
1420                                 ;;
1421                         /*) # absolute path
1422                                 cache_file_option="--cache-file=${cache_file}"
1423                                 ;;
1424                         ?:*) # absolute path on win32
1425                                 cache_file_option="--cache-file=${cache_file}"
1426                                 ;;
1427                         *) # relative path
1428                                 cache_file_option="--cache-file=../${cache_file}"
1429                                 ;;
1430                         esac
1431
1432 ### check for guested configure, otherwise fix possibly relative progname
1433                         if [ -f ${newsrcdir}/configure ] ; then
1434                                 recprog=${newsrcdir}/configure
1435                         elif [ -f ${newsrcdir}/configure.in ] ; then
1436                                 case "${progname}" in
1437                                 /*)     recprog=${progname} ;;
1438                                 ?:*)    recprog=${progname} ;;
1439                                 *)      recprog=../${progname} ;;
1440                                 esac
1441                         else
1442                                 eval echo No configuration information in ${configdir} ${redirect}
1443                                 recprog=
1444                         fi
1445
1446 ### The recursion line is here.
1447                         if [ ! -z "${recprog}" ] ; then
1448                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1449                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1450                                         ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1451                                         true
1452                                 else
1453                                         echo Configure in `pwd` failed, exiting. 1>&2
1454                                         exit 1
1455                                 fi
1456                         fi
1457
1458                         cd ${POPDIR}
1459                 fi
1460         done
1461 fi
1462
1463 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1464 # and reset the trap handler.
1465 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1466 trap 0
1467
1468 exit 0
1469
1470 #
1471 # Local Variables:
1472 # fill-column: 131
1473 # End:
1474 #
1475
1476 # end of configure