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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, 97, 98, 1999
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 extraconfigdirs=
55 diroptions=
56 exec_prefix=
57 exec_prefixoption=
58 fatal=
59 floating_point=default
60 gas=default
61 gcc_version=
62 gcc_version_trigger=
63 host_alias=NOHOST
64 host_makefile_frag=
65 moveifchange=
66 norecursion=
67 other_options=
68 package_makefile_frag=
69 package_makefile_rules_frag=
70 prefix=/usr/local
71 progname=
72 program_prefix=
73 program_prefixoption=
74 program_suffix=
75 program_suffixoption=
76 program_transform_name=
77 program_transform_nameoption=
78 redirect=
79 removing=
80 site=
81 site_makefile_frag=
82 site_option=
83 srcdir=
84 srctrigger=
85 subdirs=
86 target_alias=NOTARGET
87 target_makefile_frag=
88 undefs=NOUNDEFS
89 version="$Revision: 1.24 $"
90 x11=default
91 bindir='${exec_prefix}/bin'
92 sbindir='${exec_prefix}/sbin'
93 libexecdir='${exec_prefix}/libexec'
94 datadir='${prefix}/share'
95 sysconfdir='${prefix}/etc'
96 sharedstatedir='${prefix}/com'
97 localstatedir='${prefix}/var'
98 libdir='${exec_prefix}/lib'
99 includedir='${prefix}/include'
100 oldincludedir='/usr/include'
101 infodir='${prefix}/info'
102 mandir='${prefix}/man'
103
104 ### we might need to use some other shell than /bin/sh for running subshells
105
106 ### If we are on Windows, search for the shell.  This will permit people
107 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
108 ### without also having to set CONFIG_SHELL.  This code will work when
109 ### using bash, which sets OSTYPE.
110 case "${OSTYPE}" in
111 *win32*)
112   if [ x${CONFIG_SHELL} = x ]; then
113     if [ ! -f /bin/sh ]; then
114       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
115         CONFIG_SHELL=${SHELL}
116         export CONFIG_SHELL
117       else
118         for prog in sh sh.exe bash bash.exe; do
119           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
120           for dir in $PATH; do
121             test -z "$dir" && dir=.
122             if test -f $dir/$prog; then
123               CONFIG_SHELL=$dir/$prog
124               export CONFIG_SHELL
125               break
126             fi
127           done
128           IFS="$save_ifs"
129           test -n "${CONFIG_SHELL}" && break
130         done
131       fi
132     fi
133   fi
134   ;;
135 esac
136
137 config_shell=${CONFIG_SHELL-/bin/sh}
138
139 NO_EDIT="This file was generated automatically by configure.  Do not edit."
140
141 ## this is a little touchy and won't always work, but...
142 ##
143 ## if the argv[0] starts with a slash then it is an absolute name that can (and
144 ## must) be used as is.
145 ##
146 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
147 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
148 ##
149
150 progname=$0
151 # if PWD already has a value, it is probably wrong.
152 if [ -n "$PWD" ]; then PWD=`pwd`; fi
153
154 case "${progname}" in
155 /*) ;;
156 */*) ;;
157 *)
158         PATH=$PATH:${PWD=`pwd`} ; export PATH
159         ;;
160 esac
161
162 # Loop over all args
163
164 while :
165 do
166
167 # Break out if there are no more args
168         case $# in
169         0)
170                 break
171                 ;;
172         esac
173
174 # Get the first arg, and shuffle
175         option=$1
176         shift
177
178 # Make all options have two hyphens
179         orig_option=$option     # Save original for error messages
180         case $option in
181         --*) ;;
182         -*) option=-$option ;;
183         esac
184                 
185 # Split out the argument for options that take them
186         case $option in
187         --*=*)
188                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
189                 arguments="$arguments $option"
190                 ;;
191 # These options have mandatory values.  Since we didn't find an = sign,
192 # the value must be in the next argument
193         --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*)
194                 optarg=$1
195                 shift
196                 arguments="$arguments $option=$optarg"
197                 ;;
198         --v)
199                 arguments="$arguments -v"
200                 ;;
201         --*)
202                 arguments="$arguments $option"
203                 ;;
204         esac
205
206 # Now, process the options
207         case $option in
208
209         --bi*)
210                 bindir=$optarg
211                 diroptions="$diroptions --bindir=$optarg"
212                 ;;
213         --build* | --bu*)
214                 case "$build_alias" in
215                 "") build_alias=$optarg ;;
216                 *) echo '***' Can only configure for one build machine at a time.  1>&2
217                    fatal=yes
218                    ;;
219                 esac
220                 ;;
221         --cache*)
222                 cache_file=$optarg
223                 ;;
224         --da*)
225                 datadir=$optarg
226                 diroptions="$diroptions --datadir=$optarg"
227                 ;;
228         --disable-*)
229                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
230                 eval $enableopt=no
231                 disableoptions="$disableoptions $option"
232                 ;;
233         --enable-*)
234                 case "$option" in
235                 *=*)    ;;
236                 *)      optarg=yes ;;
237                 esac
238
239                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
240                 eval "$enableopt=\$optarg"
241                 enableoptions="$enableoptions '$option'"
242                 ;;
243         --exec-prefix* | --ex*)
244                 exec_prefix=$optarg
245                 exec_prefixoption="--exec-prefix=$optarg"
246                 ;;
247         --gas | --g*)
248                 gas=yes
249                 ;;
250         --help | --he*)
251                 fatal=yes
252                 ;;
253         --host* | --ho*)
254                 case $host_alias in
255                 NOHOST) host_alias=$optarg ;;
256                 *) echo '***' Can only configure for one host at a time.  1>&2
257                    fatal=yes
258                    ;;
259                 esac
260                 ;;
261         --inc*)
262                 includedir=$optarg
263                 diroptions="$diroptions --includedir=$optarg"
264                 ;;
265         --inf*)
266                 infodir=$optarg
267                 diroptions="$diroptions --infodir=$optarg"
268                 ;;
269         --libd*)
270                 libdir=$optarg
271                 diroptions="$diroptions --libdir=$optarg"
272                 ;;
273         --libe*)
274                 libexecdir=$optarg
275                 diroptions="$diroptions --libexecdir=$optarg"
276                 ;;
277         --lo*)
278                 localstatedir=$optarg
279                 diroptions="$diroptions --localstatedir=$optarg"
280                 ;;
281         --ma*)
282                 mandir=$optarg
283                 diroptions="$diroptions --mandir=$optarg"
284                 ;;
285         --nfp | --nf*)
286                 floating_point=no
287                 floating_pointoption="--nfp"
288                 ;;
289         --norecursion | --no*)
290                 norecursion=yes
291                 ;;
292         --ol*)
293                 oldincludedir=$optarg
294                 diroptions="$diroptions --oldincludedir=$optarg"
295                 ;;
296         --prefix* | --pre*)
297                 prefix=$optarg
298                 prefixoption="--prefix=$optarg"
299                 ;;
300         --program-prefix* | --program-p*)
301                 program_prefix=$optarg
302                 program_prefixoption="--program-prefix=$optarg"
303                 ;;
304         --program-suffix* | --program-s*)
305                 program_suffix=$optarg
306                 program_suffixoption="--program-suffix=$optarg"
307                 ;;
308         --program-transform-name* | --program-t*)
309                 # Double any backslashes or dollar signs in the argument
310                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
311                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
312                 ;;
313         --rm)
314                 removing=--rm
315                 ;;
316         --sb*)
317                 sbindir=$optarg
318                 diroptions="$diroptions --sbindir=$optarg"
319                 ;;
320         --sh*)
321                 sharedstatedir=$optarg
322                 diroptions="$diroptions --sharedstatedir=$optarg"
323                 ;;
324         --silent | --sil* | --quiet | --q*)
325                 redirect=">/dev/null"
326                 verbose=--silent
327                 ;;
328         --site* | --sit*)
329                 site=$optarg
330                 site_option="--site=$optarg"
331                 ;;
332         --srcdir*/ | --sr*/)
333                 # Remove trailing slashes.  Otherwise, when the file name gets
334                 # bolted into an object file as debug info, it has two slashes
335                 # in it.  Ordinarily this is ok, but emacs takes double slash
336                 # to mean "forget the first part".
337                 srcdir=`echo $optarg | sed -e 's:/$::'`
338                 ;;
339         --srcdir* | --sr*)
340                 srcdir=$optarg
341                 ;;
342         --sy*)
343                 sysconfdir=$optarg
344                 diroptions="$diroptions --sysconfdir=$optarg"
345                 ;;
346         --target* | --ta*)
347                 case $target_alias in
348                 NOTARGET) target_alias=$optarg ;;
349                 *) echo '***' Can only configure for one target at a time.  1>&2
350                    fatal=yes
351                    ;;
352                 esac
353                 ;;
354         --tmpdir* | --tm*)
355                 TMPDIR=$optarg
356                 tmpdiroption="--tmpdir=$optarg"
357                 ;;
358         --verbose | --v | --verb*)
359                 redirect=
360                 verbose=--verbose
361                 ;;
362         --version | --V | --vers*)
363                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
364                 exit 0
365                 ;;
366         --with-*)
367                 case "$option" in
368                 *=*)    ;;
369                 *)      optarg=yes ;;
370                 esac
371
372                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
373                 eval $withopt="\$optarg"
374                 withoptions="$withoptions $option"
375                 ;;
376         --without-*)
377                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
378                 eval $withopt=no
379                 withoutoptions="$withoutoptions $option"
380                 ;;
381         --x)    with_x=yes
382                 withoptions="$withoptions --with-x"
383                 ;;
384         --x-i* | --x-l*) other_options="$other_options $orig_option"
385                 ;;
386         --*)
387                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
388                 exit 1
389                 ;;
390         *)
391                 case $undefs in
392                 NOUNDEFS) undefs=$option ;;
393                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
394                    fatal=yes
395                    ;;
396                 esac
397                 ;;
398         esac
399 done
400
401 # process host and target
402
403 # Do some error checking and defaulting for the host and target type.
404 # The inputs are:
405 #    configure --host=HOST --target=TARGET UNDEFS
406 #
407 # The rules are:
408 # 1. You aren't allowed to specify --host, --target, and undefs at the
409 #    same time.
410 # 2. Host defaults to undefs.
411 # 3. If undefs is not specified, then host defaults to the current host,
412 #    as determined by config.guess.
413 # 4. Target defaults to undefs.
414 # 5. If undefs is not specified, then target defaults to host.
415
416 case "${fatal}" in
417 "")
418         # Make sure that host, target & undefs aren't all specified at the
419         # same time.
420         case $host_alias---$target_alias---$undefs in
421         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
422                 ;;
423         *) echo '***' Can only configure for one host and one target at a time.  1>&2
424            fatal=yes
425            break 2
426                 ;;
427         esac
428
429         # Now, do defaulting for host.
430         case $host_alias in
431         NOHOST)
432                 case $undefs in
433                 NOUNDEFS)
434                         # Neither --host option nor undefs were present.
435                         # Call config.guess.
436                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
437                         if host_alias=`${config_shell} ${guesssys}`
438                         then
439                                 # If the string we are going to use for
440                                 # the target is a prefix of the string
441                                 # we just guessed for the host, then
442                                 # assume we are running native, and force
443                                 # the same string for both target and host.
444                                 case $target_alias in
445                                 NOTARGET) ;;
446                                 *)
447                                         if expr $host_alias : $target_alias >/dev/null
448                                         then
449                                                 host_alias=$target_alias
450                                         fi
451                                         ;;
452                                 esac
453                                 echo "Configuring for a ${host_alias} host." 1>&2
454                                 arguments="--host=$host_alias $arguments"
455                         else
456                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
457                                 fatal=yes
458                         fi
459                         ;;
460                 *)
461                         host_alias=$undefs
462                         arguments="--host=$host_alias $arguments"
463                         undefs=NOUNDEFS
464                         ;;
465                 esac
466         esac
467
468         # Do defaulting for target.  If --target option isn't present, default
469         # to undefs.  If undefs isn't present, default to host.
470         case $target_alias in
471         NOTARGET)
472                 case $undefs in
473                 NOUNDEFS)
474                         target_alias=$host_alias
475                         ;;
476                 *)
477                         target_alias=$undefs
478                         arguments="--target=$target_alias $arguments"
479                         ;;
480                 esac
481         esac
482         ;;
483 *) ;;
484 esac
485
486 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
487         exec 1>&2
488         echo Usage: configure [OPTIONS] [HOST]
489         echo
490         echo Options: [defaults in brackets]
491         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
492         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
493         echo ' --help                    print this message [normal config]'
494         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
495         echo ' --host=HOST               configure for HOST [determined via config.guess]'
496         echo ' --norecursion             configure this directory only [recurse]'
497         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
498         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
499         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
500         echo ' --site=SITE               configure with site-specific makefile for SITE'
501         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
502         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
503         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
504         echo ' --nfp                     configure for software floating point [hard float]'
505         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
506         echo ' --without-FOO             package FOO is NOT available'
507         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
508         echo ' --disable-FOO             do not include feature FOO'
509         echo
510         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
511         echo
512         if [ -r config.status ] ; then
513                 cat config.status
514         fi
515
516         exit 1
517 fi
518
519 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
520 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
521 topsrcdir=`cd \`dirname ${progname}\`; pwd`
522
523
524 # this is a hack.  sun4 must always be a valid host alias or this will fail.
525 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
526         true
527 else
528         echo '***' cannot find config.sub.  1>&2
529         exit 1
530 fi
531
532 touch config.junk
533 if ${config_shell} ${moveifchange} config.junk config.trash ; then
534         true
535 else
536         echo '***' cannot find move-if-change.  1>&2
537         exit 1
538 fi
539 rm -f config.junk config.trash
540
541 case "${srcdir}" in
542 "")
543         if [ -r configure.in ] ; then
544                 srcdir=.
545         else
546                 if [ -r ${progname}.in ] ; then
547                         srcdir=`echo ${progname} | sed 's:/configure$::'`
548                 else
549                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
550                         exit 1
551                 fi
552         fi
553         ;;
554 *)
555         # Set srcdir to "." if that's what it is.
556         # This is important for multilib support.
557         if [ ! -d ${srcdir} ] ; then
558                 echo "Invalid source directory ${srcdir}" >&2
559                 exit 1
560         fi
561         pwd=`pwd`
562         srcpwd=`cd ${srcdir} ; pwd`
563         if [ "${pwd}" = "${srcpwd}" ] ; then
564                 srcdir=.
565         fi
566 esac
567
568 ### warn about some conflicting configurations.
569
570 case "${srcdir}" in
571 ".") ;;
572 *)
573         if [ -f ${srcdir}/config.status ] ; then
574                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
575                 exit 1
576         fi
577 esac
578
579 # default exec_prefix
580 case "${exec_prefixoption}" in
581 "") exec_prefix="\$(prefix)" ;;
582 *) ;;
583 esac
584
585 # Define the trigger file to make sure configure will re-run whenever
586 # the gcc version number changes.
587 if [ "${with_gcc_version_trigger+set}" = set ]; then
588     gcc_version_trigger="$with_gcc_version_trigger"
589     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
590 else
591     # If gcc's sources are available, define the trigger file.
592     if [ -f ${topsrcdir}/gcc/version.c ] ; then
593         gcc_version_trigger=${topsrcdir}/gcc/version.c
594         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
595         case "$arguments" in
596           *--with-gcc-version-trigger=$gcc_version_trigger* )
597             ;;
598           * )
599             # Make sure configure.in knows about this.
600             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
601             ;;
602         esac
603         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
604     fi
605 fi
606
607 ### break up ${srcdir}/configure.in.
608 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
609 "")
610         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
611         # Check for a directory that's been converted to use autoconf since
612         # it was last configured.
613         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
614           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
615           if [ -r ${srcdir}/configure ] ; then
616             echo '***' Running the local configure script. 1>&2
617             case "${cache_file}" in
618             "") cache_file_option= ;;
619             *)  cache_file_option="--cache-file=${cache_file}" ;;
620             esac
621             srcdiroption="--srcdir=${srcdir}"
622             case "${build_alias}" in
623             "") buildopt= ;;
624             *)  buildopt="--build=${build_alias}" ;;
625             esac
626             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
627                 ${buildopt} --host=${host_alias} --target=${target_alias} \
628                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
629                 ${srcdiroption} ${diroptions} \
630                 ${program_prefixoption} ${program_suffixoption} \
631                 ${program_transform_nameoption} ${site_option} \
632                 ${withoptions} ${withoutoptions} \
633                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
634                 ${cache_file_option} ${removing} ${other_options} ${redirect}
635           else
636             echo '***' There is no configure script present though. 1>&2
637           fi
638         fi
639         exit 1
640         ;;
641 *) ;;
642 esac
643
644 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
645 "")
646         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
647         exit 1
648         ;;
649 *) ;;
650 esac
651
652 case "${TMPDIR}" in
653 "") TMPDIR=/tmp ; export TMPDIR ;;
654 *) ;;
655 esac
656
657 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
658 tmpfile=${TMPDIR}/cNf$$
659 # Note that under many versions of sh a trap handler for 0 will *override* any
660 # exit status you explicitly specify!  At this point, the only non-error exit
661 # is at the end of the script; these actions are duplicated there, minus
662 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
663 # trap handler, or you'll lose.
664 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
665
666 # split ${srcdir}/configure.in into common, per-host, per-target,
667 # and post-target parts.  Post-target is optional.
668 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
669 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
670 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
671   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
672   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
673 else
674   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
675   echo >${tmpfile}.pos
676 fi
677
678 ### do common part of configure.in
679
680 # If the language specific compiler does not exist, but the "gcc" directory does,
681 # we will skip this directory; in this case the sub-directory's common part
682 # of configure.in will create a small shell script "skip-this-dir" containing
683 # commands to completely clean up any temporary or created files.
684
685 . ${tmpfile}.com
686
687 if test -f skip-this-dir; then
688         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
689         # and reset the trap handler.
690         trap 0
691         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
692         # Execute the final clean-up actions
693         ${config_shell} skip-this-dir
694         # and stop configuring this directory.
695         exit 0
696 fi
697
698 # some sanity checks on configure.in
699 case "${srctrigger}" in
700 "")
701         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
702         exit 1
703         ;;
704 *) ;;
705 esac
706
707 case "${build_alias}" in
708 "")
709         if result=`${config_shell} ${configsub} ${host_alias}` ; then
710             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
711             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
712             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
713             build=${build_cpu}-${build_vendor}-${build_os}
714             build_alias=${host_alias}
715         fi
716         ;;
717 *)
718         if result=`${config_shell} ${configsub} ${build_alias}` ; then
719             buildopt="--build=${build_alias}"
720             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
721             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
722             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
723             build=${build_cpu}-${build_vendor}-${build_os}
724         else
725             echo "Unrecognized build system name ${build_alias}." 1>&2
726             exit 1
727         fi
728         ;;
729 esac
730
731 if result=`${config_shell} ${configsub} ${host_alias}` ; then
732     true
733 else
734     echo "Unrecognized host system name ${host_alias}." 1>&2
735     exit 1
736 fi
737 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
738 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
739 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
740 host=${host_cpu}-${host_vendor}-${host_os}
741
742 . ${tmpfile}.hst
743
744 if result=`${config_shell} ${configsub} ${target_alias}` ; then
745     true
746 else
747     echo "Unrecognized target system name ${target_alias}." 1>&2
748     exit 1
749 fi
750 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
751 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
752 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
753 target=${target_cpu}-${target_vendor}-${target_os}
754
755 . ${tmpfile}.tgt
756
757 # Find the source files, if location was not specified.
758 case "${srcdir}" in
759 "")
760         srcdirdefaulted=1
761         srcdir=.
762         if [ ! -r ${srctrigger} ] ; then
763                 srcdir=..
764         fi
765         ;;
766 *) ;;
767 esac
768
769 if [ ! -r ${srcdir}/${srctrigger} ] ; then
770         case "${srcdirdefaulted}" in
771         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
772         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
773         esac
774
775         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
776         exit 1
777 fi
778
779 # Some systems (e.g., one of the i386-aix systems the gas testers are
780 # using) don't handle "\$" correctly, so don't use it here.
781 tooldir='$(exec_prefix)'/${target_alias}
782
783 if [ "${host_alias}" != "${target_alias}" ] ; then
784     if [ "${program_prefixoption}" = "" ] ; then
785         if [ "${program_suffixoption}" = "" ] ; then 
786             if [ "${program_transform_nameoption}" = "" ] ; then
787                 program_prefix=${target_alias}- ;
788             fi
789         fi
790     fi
791 fi
792
793 # Merge program_prefix and program_suffix onto program_transform_name.
794 # (program_suffix used to use $, but it's hard to preserve $ through both
795 # make and sh.)
796 if [ "${program_suffix}" != "" ] ; then
797     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
798 fi
799
800 if [ "${program_prefix}" != "" ] ; then
801     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
802 fi
803
804 # If CC and CXX are not set in the environment, and the Makefile
805 # exists, try to extract them from it.  This is to handle running
806 # ./config.status by hand.
807 if [ -z "${CC}" ] && [ -r Makefile ]; then
808   sed -n -e ':loop
809 /\\$/ N
810 s/\\\n//g
811 t loop
812 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
813   CC=`tail -1 Makefile.cc`
814   rm -f Makefile.cc
815 fi
816
817 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
818   sed -n -e ':loop
819 /\\$/ N
820 s/\\\n//g
821 t loop
822 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
823   CFLAGS=`tail -1 Makefile.cc`
824   rm -f Makefile.cc
825 fi
826
827 if [ -z "${CXX}" ] && [ -r Makefile ]; then
828   sed -n -e ':loop
829 /\\$/ N
830 s/\\\n//g
831 t loop
832 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
833   CXX=`tail -1 Makefile.cc`
834   rm -f Makefile.cc
835 fi
836
837 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
838   sed -n -e ':loop
839 /\\$/ N
840 s/\\\n//g
841 t loop
842 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
843   CXXFLAGS=`tail -1 Makefile.cc`
844   rm -f Makefile.cc
845 fi
846
847 # Generate a default definition for YACC.  This is used if the makefile can't
848 # locate bison or byacc in objdir.
849
850 for prog in 'bison -y' byacc yacc
851 do
852   set dummy $prog; tmp=$2
853   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
854   for dir in $PATH; do
855     test -z "$dir" && dir=.
856     if test -f $dir/$tmp; then
857       DEFAULT_YACC="$prog"
858       break
859     fi
860   done
861   IFS="$save_ifs"
862
863   test -n "$DEFAULT_YACC" && break
864 done
865
866 # Generate a default definition for M4.  This is used if the makefile can't
867 # locate m4 in objdir.
868
869 for prog in gm4 gnum4 m4
870 do
871   set dummy $prog; tmp=$2
872   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
873   for dir in $PATH; do
874     test -z "$dir" && dir=.
875     if test -f $dir/$tmp; then
876       DEFAULT_M4="$prog"
877       break
878     fi
879   done
880   IFS="$save_ifs"
881
882   test -n "$DEFAULT_M4" && break
883 done
884
885 # Generate a default definition for LEX.  This is used if the makefile can't
886 # locate flex in objdir.
887
888 for prog in flex lex
889 do
890   set dummy $prog; tmp=$2
891   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
892   for dir in $PATH; do
893     test -z "$dir" && dir=.
894     if test -f $dir/$tmp; then
895       DEFAULT_LEX="$prog"
896       break
897     fi
898   done
899   IFS="$save_ifs"
900
901   test -n "$DEFAULT_LEX" && break
902 done
903
904 if [ "${build}" != "${host}" ]; then
905   # If we are doing a Canadian Cross, in which the host and build systems
906   # are not the same, we set reasonable default values for the tools.
907
908   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
909   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
910   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
911   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
912   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
913   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
914   tools="${tools} OBJCOPY OBJDUMP"
915
916   for var in ${tools}; do
917     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
918       sed -n -e ':loop
919 /\\$/ N
920 s/\\\n//g
921 t loop
922 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
923         < Makefile > Makefile.v
924       t=`tail -1 Makefile.v`
925       if [ -n "${t}" ]; then
926         eval "${var}=\${t}"
927       fi
928       rm -f Makefile.v
929     fi
930   done
931
932   AR=${AR-${host_alias}-ar}
933   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
934   AS=${AS-${host_alias}-as}
935   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
936   BISON=${BISON-bison}
937   CC=${CC-${host_alias}-gcc}
938   CFLAGS=${CFLAGS-"-g -O2"}
939   CXX=${CXX-${host_alias}-c++}
940   CXXFLAGS=${CXXFLAGS-"-g -O2"}
941   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
942   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
943   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
944   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
945   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
946   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
947   HOST_PREFIX=${build_alias}-
948   HOST_PREFIX_1=${build_alias}-
949   LD=${LD-${host_alias}-ld}
950   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
951   MAKEINFO=${MAKEINFO-makeinfo}
952   NM=${NM-${host_alias}-nm}
953   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
954   RANLIB=${RANLIB-${host_alias}-ranlib}
955   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
956   WINDRES=${WINDRES-${host_alias}-windres}
957   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
958   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
959   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
960
961   if [ -z "${YACC}" ]; then
962     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
963     for dir in $PATH; do
964       test -z "$dir" && dir=.
965       if test -f $dir/bison; then
966         YACC="bison -y"
967         break
968       fi
969       if test -f $dir/byacc; then
970         YACC=byacc
971         break
972       fi
973       if test -f $dir/yacc; then
974         YACC=yacc
975         break
976       fi
977     done
978     IFS="$save_ifs"
979     if [ -z "${YACC}" ]; then
980       YACC="bison -y"
981     fi
982   fi
983
984   if [ -z "${LEX}" ]; then
985     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
986     for dir in $PATH; do
987       test -z "$dir" && dir=.
988       if test -f $dir/flex; then
989         LEX=flex
990         break
991       fi
992       if test -f $dir/lex; then
993         LEX=lex
994         break
995       fi
996     done
997     IFS="$save_ifs"
998     LEX=${LEX-flex}
999   fi
1000
1001   # Export variables which autoconf might try to set.
1002   export AS
1003   export AR
1004   export CC_FOR_BUILD
1005   export DLLTOOL
1006   export LD
1007   export NM
1008   export RANLIB
1009   export WINDRES
1010   export OBJCOPY
1011   export OBJDUMP
1012 else
1013   # If CC is still not set, try to get gcc.
1014   if [ -z "${CC}" ]; then
1015     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1016     for dir in $PATH; do
1017       test -z "$dir" && dir=.
1018       if test -f $dir/gcc; then
1019         CC="gcc"
1020         echo 'void f(){}' > conftest.c
1021         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1022           CFLAGS=${CFLAGS-"-g -O2"}
1023           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1024         else
1025           CFLAGS=${CFLAGS-"-O2"}
1026           CXXFLAGS=${CXXFLAGS-"-O2"}
1027         fi
1028         rm -f conftest*
1029         break
1030       fi
1031     done
1032     IFS="$save_ifs"
1033     CC=${CC-cc}
1034   else
1035     if test -z "${CFLAGS}"; then
1036       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1037       # is set to a version of gcc.
1038       case "${CC}" in
1039       *gcc)
1040         echo 'void f(){}' > conftest.c
1041         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1042           CFLAGS=${CFLAGS-"-g -O2"}
1043           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1044         else
1045           CFLAGS=${CFLAGS-"-O2"}
1046           CXXFLAGS=${CXXFLAGS-"-O2"}
1047         fi
1048         rm -f conftest*
1049         ;;
1050       esac
1051     fi
1052   fi
1053
1054   CXX=${CXX-"c++"}
1055   CFLAGS=${CFLAGS-"-g"}
1056   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1057 fi
1058
1059 export CC
1060 export CXX
1061 export CFLAGS
1062 export CXXFLAGS
1063
1064 # FIXME: This should be in configure.in, not configure
1065 case "$host" in
1066         *go32*)
1067             enable_gdbtk=no ;;
1068         *msdosdjgpp*)
1069             enable_gdbtk=no ;;
1070 esac
1071
1072 # FIXME: This should be in configure.in, not configure
1073 # Determine whether gdb needs tk/tcl or not.
1074 if [ "$enable_gdbtk" != "no" ]; then
1075         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1076 else
1077         GDB_TK=""
1078 fi
1079
1080 for subdir in . ${subdirs} ; do
1081
1082     # ${subdir} is relative path from . to the directory we're currently
1083     # configuring.
1084     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1085     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1086
1087     ### figure out what to do with srcdir
1088     case "${srcdir}" in
1089         ".")  # no -srcdir option.  We're building in place.
1090                 makesrcdir=. ;;
1091         /*) # absolute path
1092                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1093                 ;;
1094         *) # otherwise relative
1095                 case "${subdir}" in
1096                 .) makesrcdir=${srcdir} ;;
1097                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1098                 esac
1099                 ;;
1100     esac
1101
1102     if [ "${subdir}/" != "./" ] ; then
1103         Makefile=${subdir}/Makefile
1104     fi
1105
1106     if [ ! -d ${subdir} ] ; then
1107         if mkdir ${subdir} ; then
1108                 true
1109         else
1110                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1111                 exit 1
1112         fi
1113     fi
1114
1115     case "${removing}" in
1116     "")
1117         case "${subdir}" in
1118         .) ;;
1119         *) eval echo Building in ${subdir} ${redirect} ;;
1120         esac
1121
1122         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1123         # Set up the list of links to be made.
1124         # ${links} is the list of link names, and ${files} is the list of names to link to.
1125
1126         # Make the links.
1127         configlinks="${links}"
1128         if [ -r ${subdir}/config.status ] ; then
1129                 mv -f ${subdir}/config.status ${subdir}/config.back
1130         fi
1131         while [ -n "${files}" ] ; do
1132                 # set file to car of files, files to cdr of files
1133                 set ${files}; file=$1; shift; files=$*
1134                 set ${links}; link=$1; shift; links=$*
1135
1136                 if [ ! -r ${srcdir}/${file} ] ; then
1137                   if [ ! -r ${file} ] ; then
1138                     
1139                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1140                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1141                         exit 1
1142                   else
1143                         srcfile=${file}
1144                   fi
1145                 else
1146                         srcfile=${srcdir}/${file}
1147                 fi
1148
1149                 ${remove} -f ${link}
1150                 # Make a symlink if possible, otherwise try a hard link
1151                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1152                         true
1153                 else
1154                         # We need to re-remove the file because Lynx leaves a 
1155                         # very strange directory there when it fails an NFS symlink.
1156                         ${remove} -r -f ${link}
1157                         ${hard_link} ${srcfile} ${link}
1158                 fi
1159                 if [ ! -r ${link} ] ; then
1160                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1161                         exit 1
1162                 fi
1163
1164                 echo "Linked \"${link}\" to \"${srcfile}\"."
1165         done
1166
1167         # Create a .gdbinit file which runs the one in srcdir
1168         # and tells GDB to look there for source files.
1169
1170         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1171                 case ${srcdir} in
1172                 .) ;;
1173                 *) cat > ${subdir}/.gdbinit <<EOF
1174 # ${NO_EDIT}
1175 dir ${makesrcdir}
1176 dir .
1177 source ${makesrcdir}/.gdbinit
1178 EOF
1179                         ;;
1180                 esac
1181         fi
1182
1183         # Install a makefile, and make it set VPATH
1184         # if necessary so that the sources are found.
1185         # Also change its value of srcdir.
1186         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1187         # been somewhat optimized and is perhaps a bit twisty.
1188
1189         # code is order so as to try to sed the smallest input files we know.
1190         # so do these separately because I don't trust the order of sed -e expressions.
1191
1192         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1193         # package macros, target, host, site, and package rules.
1194
1195         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1196
1197             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1198             rm -f ${subdir}/${Makefile}.tem
1199             case "${package_makefile_rules_frag}" in
1200               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1201               *)
1202                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1203                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1204                       fi
1205                       if [ -f ${package_makefile_rules_frag} ] ; then
1206                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1207                       else
1208                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1209                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1210                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1211                       fi
1212             esac
1213             # working copy now in ${Makefile}.tem
1214
1215             # Conditionalize for this site.
1216             rm -f ${Makefile}
1217               case "${site}" in
1218               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1219               *)
1220                       site_makefile_frag=${srcdir}/config/ms-${site}
1221
1222                       if [ -f ${site_makefile_frag} ] ; then
1223                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1224                                       > ${Makefile}
1225                       else
1226                               mv ${subdir}/Makefile.tem ${Makefile}
1227                               site_makefile_frag=
1228                       fi
1229                       ;;
1230             esac
1231             # working copy now in ${Makefile}
1232
1233             # Conditionalize the makefile for this host.
1234             rm -f ${subdir}/Makefile.tem
1235             case "${host_makefile_frag}" in
1236               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1237               *)
1238                       if [ ! -f ${host_makefile_frag} ] ; then
1239                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1240                       fi
1241                       if [ -f ${host_makefile_frag} ] ; then
1242                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1243                       else
1244                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1245                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1246                               mv ${Makefile} ${subdir}/Makefile.tem
1247                       fi
1248             esac
1249             # working copy now in ${subdir)/Makefile.tem
1250
1251             # Conditionalize the makefile for this target.
1252             rm -f ${Makefile}
1253             case "${target_makefile_frag}" in
1254               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1255               *)
1256                       if [ ! -f ${target_makefile_frag} ] ; then
1257                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1258                       fi
1259                       if [ -f ${target_makefile_frag} ] ; then
1260                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1261                       else
1262                               mv ${subdir}/Makefile.tem ${Makefile}
1263                               target_makefile_frag=
1264                       fi
1265                       ;;
1266             esac
1267             # working copy now in ${Makefile}
1268
1269             # Emit the default values of this package's macros.
1270             rm -f ${subdir}/Makefile.tem
1271             case "${package_makefile_frag}" in
1272               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1273               *)
1274                       if [ ! -f ${package_makefile_frag} ] ; then
1275                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1276                       fi
1277                       if [ -f ${package_makefile_frag} ] ; then
1278                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1279                       else
1280                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1281                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1282                               mv ${Makefile} ${subdir}/Makefile.tem
1283                       fi
1284             esac
1285             # real copy now in ${subdir}/Makefile.tem
1286
1287             # prepend warning about editting, and a bunch of variables.
1288             rm -f ${Makefile}
1289             cat > ${Makefile} <<EOF
1290 # ${NO_EDIT}
1291 VPATH = ${makesrcdir}
1292 links = ${configlinks}
1293 host_alias = ${host_alias}
1294 host_cpu = ${host_cpu}
1295 host_vendor = ${host_vendor}
1296 host_os = ${host_os}
1297 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1298 target_alias = ${target_alias}
1299 target_cpu = ${target_cpu}
1300 target_vendor = ${target_vendor}
1301 target_os = ${target_os}
1302 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1303 EOF
1304             case "${build}" in
1305               "") ;;
1306               *)  cat >> ${Makefile} << EOF
1307 build_alias = ${build_alias}
1308 build_cpu = ${build_cpu}
1309 build_vendor = ${build_vendor}
1310 build_os = ${build_os}
1311 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1312 EOF
1313             esac
1314
1315             case "${package_makefile_frag}" in
1316               "") ;;
1317               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1318               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1319             esac
1320
1321             case "${target_makefile_frag}" in
1322               "") ;;
1323               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1324               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1325             esac
1326
1327             case "${host_makefile_frag}" in
1328               "") ;;
1329               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1330               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1331             esac
1332
1333             if [ "${site_makefile_frag}" != "" ] ; then
1334                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1335             fi 
1336
1337             # record if we want to build shared libs.
1338             if test -z "${enable_shared}"; then
1339                 echo enable_shared = no >> ${Makefile}
1340             else
1341                 echo enable_shared = ${enable_shared} >> ${Makefile}
1342             fi
1343             # record if we want to rumtime library stuff installed in libsubdir.
1344             if test -z "${enable_version_specific_runtime_libs}"; then
1345                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1346             else
1347                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1348             fi
1349
1350             # Emit a macro which describes the file containing gcc's
1351             # version number.
1352             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1353             # And emit a macro defining gcc's version number.
1354             echo gcc_version = ${gcc_version} >> ${Makefile}
1355
1356             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1357             # remove any form feeds.
1358             if [ -z "${subdirs}" ]; then
1359                 rm -f ${subdir}/Makefile.tm2
1360                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1361                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1362                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1363                 rm -f ${subdir}/Makefile.tem
1364                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1365             fi
1366             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1367                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1368                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1369                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1370                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1371                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1372                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1373                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1374                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1375                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1376                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1377                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1378                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1379                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1380                     -e "/^CC[   ]*=/{
1381                         :loop1
1382                         /\\\\$/ N
1383                         s/\\\\\\n//g
1384                         t loop1
1385                         s%^CC[  ]*=.*$%CC = ${CC}%
1386                         }" \
1387                     -e "/^CXX[  ]*=/{
1388                         :loop2
1389                         /\\\\$/ N
1390                         s/\\\\\\n//g
1391                         t loop2
1392                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1393                         }" \
1394                     -e "/^CFLAGS[       ]*=/{
1395                         :loop3
1396                         /\\\\$/ N
1397                         s/\\\\\\n//g
1398                         t loop3
1399                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1400                         }" \
1401                     -e "/^CXXFLAGS[     ]*=/{
1402                         :loop4
1403                         /\\\\$/ N
1404                         s/\\\\\\n//g
1405                         t loop4
1406                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1407                         }" \
1408                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1409                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1410                     -e "s/\f//" \
1411                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1412                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1413                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1414                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1415                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1416                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1417                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1418                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1419                     ${subdir}/Makefile.tem >> ${Makefile}
1420   
1421             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1422             mv -f ${Makefile}.tem ${Makefile}
1423
1424             # If this is a Canadian Cross, preset the values of many more
1425             # tools.
1426             if [ "${build}" != "${host}" ]; then
1427                 for var in ${tools}; do
1428                     eval val=\$${var}
1429                     sed -e "/^${var}[   ]*=/{
1430                            :loop1
1431                            /\\\\$/ N
1432                            /\\\\$/ b loop1
1433                            s/\\\\\\n//g
1434                            s%^${var}[   ]*=.*$%${var} = ${val}%
1435                            }" ${Makefile} > ${Makefile}.tem
1436                     mv -f ${Makefile}.tem ${Makefile}
1437                 done
1438             fi
1439
1440             # final copy now in ${Makefile}
1441
1442         else
1443            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1444         fi
1445
1446         rm -f ${subdir}/Makefile.tem
1447
1448         case "${host_makefile_frag}" in
1449         "") using= ;;
1450         *) using="and \"${host_makefile_frag}\"" ;;
1451         esac
1452
1453         case "${target_makefile_frag}" in
1454         "") ;;
1455         *) using="${using} and \"${target_makefile_frag}\"" ;;
1456         esac
1457
1458         case "${site_makefile_frag}" in
1459         "") ;;
1460         *) using="${using} and \"${site_makefile_frag}\"" ;;
1461         esac
1462
1463         newusing=`echo "${using}" | sed 's/and/using/'`
1464         using=${newusing}
1465         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1466
1467         . ${tmpfile}.pos
1468
1469         # describe the chosen configuration in config.status.
1470         # Make that file a shellscript which will reestablish
1471         # the same configuration.  Used in Makefiles to rebuild
1472         # Makefiles.
1473
1474         case "${norecursion}" in
1475         "") arguments="${arguments} --norecursion" ;;
1476         *) ;;
1477         esac
1478
1479         if [ ${subdir} = . ] ; then
1480             echo "#!/bin/sh
1481 # ${NO_EDIT}
1482 # This directory was configured as follows:
1483 ${progname}" ${arguments}  "
1484 # ${using}" > ${subdir}/config.new
1485         else
1486             echo "#!/bin/sh
1487 # ${NO_EDIT}
1488 # This directory was configured as follows:
1489 cd ${invsubdir}
1490 ${progname}" ${arguments}  "
1491 # ${using}" > ${subdir}/config.new
1492         fi
1493         chmod a+x ${subdir}/config.new
1494         if [ -r ${subdir}/config.back ] ; then
1495                 mv -f ${subdir}/config.back ${subdir}/config.status
1496         fi
1497         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1498         ;;
1499
1500     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1501     esac
1502 done
1503
1504 # If there are subdirectories, then recur.
1505 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1506         for configdir in ${configdirs} ${extraconfigdirs} ; do
1507
1508                 # If configdir contains ',' it is
1509                 # srcdir,builddir,target_alias
1510                 # These come from extraconfigdirs.
1511                 case ${configdir} in
1512                 *,*)
1513                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1514                     ;;
1515                 *)
1516                     cfg_dir=${configdir}
1517                     bld_dir=${configdir}
1518                     tgt_alias=${target_alias}
1519                     ;;
1520                 esac
1521
1522                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1523                         eval echo Configuring ${configdir}... ${redirect}
1524                         case "${srcdir}" in
1525                         ".") ;;
1526                         *)
1527                                 if [ ! -d ./${bld_dir} ] ; then
1528                                         if mkdir ./${bld_dir} ; then
1529                                                 true
1530                                         else
1531                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1532                                                 exit 1
1533                                         fi
1534                                 fi
1535                                 ;;
1536                         esac
1537
1538                         POPDIR=${PWD=`pwd`}
1539                         cd ${bld_dir} 
1540
1541 ### figure out what to do with srcdir
1542                         case "${srcdir}" in
1543                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1544                         /*) # absolute path
1545                                 newsrcdir=${srcdir}/${cfg_dir}
1546                                 srcdiroption="--srcdir=${newsrcdir}"
1547                                 ;;
1548                         ?:*) # absolute path on win32
1549                                 newsrcdir=${srcdir}/${cfg_dir}
1550                                 srcdiroption="--srcdir=${newsrcdir}"
1551                                 ;;
1552                         *) # otherwise relative
1553                                 newsrcdir=../${srcdir}/${cfg_dir}
1554                                 srcdiroption="--srcdir=${newsrcdir}"
1555                                 ;;
1556                         esac
1557
1558                         # Handle --cache-file=../XXX
1559                         case "${cache_file}" in
1560                         "") # empty
1561                                 ;;
1562                         /*) # absolute path
1563                                 cache_file_option="--cache-file=${cache_file}"
1564                                 ;;
1565                         ?:*) # absolute path on win32
1566                                 cache_file_option="--cache-file=${cache_file}"
1567                                 ;;
1568                         *) # relative path
1569                                 cache_file_option="--cache-file=../${cache_file}"
1570                                 ;;
1571                         esac
1572
1573 ### check for guested configure, otherwise fix possibly relative progname
1574                         if [ -f ${newsrcdir}/configure ] ; then
1575                                 recprog=${newsrcdir}/configure
1576                         elif [ -f ${newsrcdir}/configure.in ] ; then
1577                                 case "${progname}" in
1578                                 /*)     recprog=${progname} ;;
1579                                 ?:*)    recprog=${progname} ;;
1580                                 *)      recprog=../${progname} ;;
1581                                 esac
1582                         else
1583                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1584                                 recprog=
1585                         fi
1586
1587 ### The recursion line is here.
1588                         if [ ! -z "${recprog}" ] ; then
1589                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1590                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1591                                         ${srcdiroption} ${diroptions} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1592                                         true
1593                                 else
1594                                         echo Configure in `pwd` failed, exiting. 1>&2
1595                                         exit 1
1596                                 fi
1597                         fi
1598
1599                         cd ${POPDIR}
1600                 fi
1601         done
1602 fi
1603
1604 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1605 # and reset the trap handler.
1606 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1607 trap 0
1608
1609 exit 0
1610
1611 #
1612 # Local Variables:
1613 # fill-column: 131
1614 # End:
1615 #
1616
1617 # end of configure