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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, 2000, 2001
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 enable_threads=no
57 enable_shared=no
58 enable_libstdcxx_v3=yes
59 exec_prefix=
60 exec_prefixoption=
61 fatal=
62 floating_point=default
63 gas=default
64 gcc_version=
65 gcc_version_trigger=
66 host_alias=NOHOST
67 host_makefile_frag=
68 moveifchange=
69 norecursion=
70 other_options=
71 package_makefile_frag=
72 package_makefile_rules_frag=
73 prefix=/usr/local
74 progname=
75 program_prefix=
76 program_prefixoption=
77 program_suffix=
78 program_suffixoption=
79 program_transform_name=
80 program_transform_nameoption=
81 redirect=
82 removing=
83 site=
84 site_makefile_frag=
85 site_option=
86 srcdir=
87 srctrigger=
88 subdirs=
89 target_alias=NOTARGET
90 target_makefile_frag=
91 undefs=NOUNDEFS
92 version="$Revision: 1.39 $"
93 x11=default
94 bindir='${exec_prefix}/bin'
95 sbindir='${exec_prefix}/sbin'
96 libexecdir='${exec_prefix}/libexec'
97 datadir='${prefix}/share'
98 sysconfdir='${prefix}/etc'
99 sharedstatedir='${prefix}/com'
100 localstatedir='${prefix}/var'
101 libdir='${exec_prefix}/lib'
102 includedir='${prefix}/include'
103 oldincludedir='/usr/include'
104 infodir='${prefix}/info'
105 mandir='${prefix}/man'
106
107 ### we might need to use some other shell than /bin/sh for running subshells
108
109 ### If we are on Windows, search for the shell.  This will permit people
110 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
111 ### without also having to set CONFIG_SHELL.  This code will work when
112 ### using bash, which sets OSTYPE.
113 case "${OSTYPE}" in
114 *win32*)
115   if [ x${CONFIG_SHELL} = x ]; then
116     if [ ! -f /bin/sh ]; then
117       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
118         CONFIG_SHELL=${SHELL}
119         export CONFIG_SHELL
120       else
121         for prog in sh sh.exe bash bash.exe; do
122           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
123           for dir in $PATH; do
124             test -z "$dir" && dir=.
125             if test -f $dir/$prog; then
126               CONFIG_SHELL=$dir/$prog
127               export CONFIG_SHELL
128               break
129             fi
130           done
131           IFS="$save_ifs"
132           test -n "${CONFIG_SHELL}" && break
133         done
134       fi
135     fi
136   fi
137   ;;
138 esac
139
140 config_shell=${CONFIG_SHELL-/bin/sh}
141
142 NO_EDIT="This file was generated automatically by configure.  Do not edit."
143
144 ## this is a little touchy and won't always work, but...
145 ##
146 ## if the argv[0] starts with a slash then it is an absolute name that can (and
147 ## must) be used as is.
148 ##
149 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
150 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
151 ##
152
153 progname=$0
154 # if PWD already has a value, it is probably wrong.
155 if [ -n "$PWD" ]; then PWD=`pwd`; fi
156
157 case "${progname}" in
158 /* | [A-Za-z]:[\\/]* ) ;;
159 */*) ;;
160 *)
161         PATH=$PATH:${PWD=`pwd`} ; export PATH
162         ;;
163 esac
164
165 # Export original configure arguments for use by sub-configures.
166 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
167 export TOPLEVEL_CONFIGURE_ARGUMENTS
168
169 # Loop over all args
170
171 while :
172 do
173
174 # Break out if there are no more args
175         case $# in
176         0)
177                 break
178                 ;;
179         esac
180
181 # Get the first arg, and shuffle
182         option=$1
183         shift
184
185 # Make all options have two hyphens
186         orig_option=$option     # Save original for error messages
187         case $option in
188         --*) ;;
189         -*) option=-$option ;;
190         esac
191                 
192 # Split out the argument for options that take them
193         case $option in
194         --*=*)
195                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
196                 arguments="$arguments $option"
197                 ;;
198 # These options have mandatory values.  Since we didn't find an = sign,
199 # the value must be in the next argument
200         --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*)
201                 optarg=$1
202                 shift
203                 arguments="$arguments $option=$optarg"
204                 ;;
205         --v)
206                 arguments="$arguments -v"
207                 ;;
208         --*)
209                 arguments="$arguments $option"
210                 ;;
211         esac
212
213 # Now, process the options
214         case $option in
215
216         --bi*)
217                 bindir=$optarg
218                 diroptions="$diroptions --bindir=$optarg"
219                 ;;
220         --build* | --bu*)
221                 case "$build_alias" in
222                 "") build_alias=$optarg ;;
223                 *) echo '***' Can only configure for one build machine at a time.  1>&2
224                    fatal=yes
225                    ;;
226                 esac
227                 ;;
228         --cache*)
229                 cache_file=$optarg
230                 ;;
231         --da*)
232                 datadir=$optarg
233                 diroptions="$diroptions --datadir=$optarg"
234                 ;;
235         --disable-*)
236                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
237                 eval $enableopt=no
238                 disableoptions="$disableoptions $option"
239                 ;;
240         --enable-*)
241                 case "$option" in
242                 *=*)    ;;
243                 *)      optarg=yes ;;
244                 esac
245
246                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
247                 eval "$enableopt=\$optarg"
248                 enableoptions="$enableoptions '$option'"
249                 ;;
250         --exec-prefix* | --ex*)
251                 exec_prefix=$optarg
252                 exec_prefixoption="--exec-prefix=$optarg"
253                 ;;
254         --gas | --g*)
255                 gas=yes
256                 ;;
257         --help | --he*)
258                 fatal=yes
259                 ;;
260         --host* | --ho*)
261                 case $host_alias in
262                 NOHOST) host_alias=$optarg ;;
263                 *) echo '***' Can only configure for one host at a time.  1>&2
264                    fatal=yes
265                    ;;
266                 esac
267                 ;;
268         --inc*)
269                 includedir=$optarg
270                 diroptions="$diroptions --includedir=$optarg"
271                 ;;
272         --inf*)
273                 infodir=$optarg
274                 diroptions="$diroptions --infodir=$optarg"
275                 ;;
276         --libd*)
277                 libdir=$optarg
278                 diroptions="$diroptions --libdir=$optarg"
279                 ;;
280         --libe*)
281                 libexecdir=$optarg
282                 diroptions="$diroptions --libexecdir=$optarg"
283                 ;;
284         --lo*)
285                 localstatedir=$optarg
286                 diroptions="$diroptions --localstatedir=$optarg"
287                 ;;
288         --ma*)
289                 mandir=$optarg
290                 diroptions="$diroptions --mandir=$optarg"
291                 ;;
292         --nfp | --nf*)
293                 floating_point=no
294                 floating_pointoption="--nfp"
295                 ;;
296         --norecursion | --no*)
297                 norecursion=yes
298                 ;;
299         --ol*)
300                 oldincludedir=$optarg
301                 diroptions="$diroptions --oldincludedir=$optarg"
302                 ;;
303         --prefix* | --pre*)
304                 prefix=$optarg
305                 prefixoption="--prefix=$optarg"
306                 ;;
307         --program-prefix* | --program-p*)
308                 program_prefix=$optarg
309                 program_prefixoption="--program-prefix=$optarg"
310                 ;;
311         --program-suffix* | --program-s*)
312                 program_suffix=$optarg
313                 program_suffixoption="--program-suffix=$optarg"
314                 ;;
315         --program-transform-name* | --program-t*)
316                 # Double any backslashes or dollar signs in the argument
317                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
318                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
319                 ;;
320         --rm)
321                 removing=--rm
322                 ;;
323         --sb*)
324                 sbindir=$optarg
325                 diroptions="$diroptions --sbindir=$optarg"
326                 ;;
327         --sh*)
328                 sharedstatedir=$optarg
329                 diroptions="$diroptions --sharedstatedir=$optarg"
330                 ;;
331         --silent | --sil* | --quiet | --q*)
332                 redirect=">/dev/null"
333                 verbose=--silent
334                 ;;
335         --site* | --sit*)
336                 site=$optarg
337                 site_option="--site=$optarg"
338                 ;;
339         --srcdir*/ | --sr*/)
340                 # Remove trailing slashes.  Otherwise, when the file name gets
341                 # bolted into an object file as debug info, it has two slashes
342                 # in it.  Ordinarily this is ok, but emacs takes double slash
343                 # to mean "forget the first part".
344                 srcdir=`echo $optarg | sed -e 's:/$::'`
345                 ;;
346         --srcdir* | --sr*)
347                 srcdir=$optarg
348                 ;;
349         --sy*)
350                 sysconfdir=$optarg
351                 diroptions="$diroptions --sysconfdir=$optarg"
352                 ;;
353         --target* | --ta*)
354                 case $target_alias in
355                 NOTARGET) target_alias=$optarg ;;
356                 *) echo '***' Can only configure for one target at a time.  1>&2
357                    fatal=yes
358                    ;;
359                 esac
360                 ;;
361         --tmpdir* | --tm*)
362                 TMPDIR=$optarg
363                 tmpdiroption="--tmpdir=$optarg"
364                 ;;
365         --verbose | --v | --verb*)
366                 redirect=
367                 verbose=--verbose
368                 ;;
369         --version | --V | --vers*)
370                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
371                 exit 0
372                 ;;
373         --with-*)
374                 case "$option" in
375                 *=*)    ;;
376                 *)      optarg=yes ;;
377                 esac
378
379                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
380                 eval $withopt="\$optarg"
381                 withoptions="$withoptions $option"
382                 ;;
383         --without-*)
384                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
385                 eval $withopt=no
386                 withoutoptions="$withoutoptions $option"
387                 ;;
388         --x)    with_x=yes
389                 withoptions="$withoptions --with-x"
390                 ;;
391         --x-i* | --x-l*) other_options="$other_options $orig_option"
392                 ;;
393         --*)
394                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
395                 exit 1
396                 ;;
397         *)
398                 case $undefs in
399                 NOUNDEFS) undefs=$option ;;
400                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
401                    fatal=yes
402                    ;;
403                 esac
404                 ;;
405         esac
406 done
407
408 # process host and target
409
410 # Do some error checking and defaulting for the host and target type.
411 # The inputs are:
412 #    configure --host=HOST --target=TARGET UNDEFS
413 #
414 # The rules are:
415 # 1. You aren't allowed to specify --host, --target, and undefs at the
416 #    same time.
417 # 2. Host defaults to undefs.
418 # 3. If undefs is not specified, then host defaults to the current host,
419 #    as determined by config.guess.
420 # 4. Target defaults to undefs.
421 # 5. If undefs is not specified, then target defaults to host.
422
423 case "${fatal}" in
424 "")
425         # Make sure that host, target & undefs aren't all specified at the
426         # same time.
427         case $host_alias---$target_alias---$undefs in
428         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
429                 ;;
430         *) echo '***' Can only configure for one host and one target at a time.  1>&2
431            fatal=yes
432            break 2
433                 ;;
434         esac
435
436         # Now, do defaulting for host.
437         case $host_alias in
438         NOHOST)
439                 case $undefs in
440                 NOUNDEFS)
441                         # Neither --host option nor undefs were present.
442                         # Call config.guess.
443                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
444                         if host_alias=`${config_shell} ${guesssys}`
445                         then
446                                 # If the string we are going to use for
447                                 # the target is a prefix of the string
448                                 # we just guessed for the host, then
449                                 # assume we are running native, and force
450                                 # the same string for both target and host.
451                                 case $target_alias in
452                                 NOTARGET) ;;
453                                 *)
454                                         if expr $host_alias : $target_alias >/dev/null
455                                         then
456                                                 host_alias=$target_alias
457                                         fi
458                                         ;;
459                                 esac
460                                 echo "Configuring for a ${host_alias} host."
461                                 arguments="--host=$host_alias $arguments"
462                         else
463                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
464                                 fatal=yes
465                         fi
466                         ;;
467                 *)
468                         host_alias=$undefs
469                         arguments="--host=$host_alias $arguments"
470                         undefs=NOUNDEFS
471                         ;;
472                 esac
473         esac
474
475         # Do defaulting for target.  If --target option isn't present, default
476         # to undefs.  If undefs isn't present, default to host.
477         case $target_alias in
478         NOTARGET)
479                 case $undefs in
480                 NOUNDEFS)
481                         target_alias=$host_alias
482                         ;;
483                 *)
484                         target_alias=$undefs
485                         arguments="--target=$target_alias $arguments"
486                         ;;
487                 esac
488         esac
489         ;;
490 *) ;;
491 esac
492
493 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
494         exec 1>&2
495         echo Usage: configure [OPTIONS] [HOST]
496         echo
497         echo Options: [defaults in brackets]
498         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
499         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
500         echo ' --help                    print this message [normal config]'
501         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
502         echo ' --host=HOST               configure for HOST [determined via config.guess]'
503         echo ' --norecursion             configure this directory only [recurse]'
504         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
505         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
506         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
507         echo ' --site=SITE               configure with site-specific makefile for SITE'
508         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
509         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
510         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
511         echo ' --nfp                     configure for software floating point [hard float]'
512         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
513         echo ' --without-FOO             package FOO is NOT available'
514         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
515         echo ' --disable-FOO             do not include feature FOO'
516         echo
517         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
518         echo
519         if [ -r config.status ] ; then
520                 cat config.status
521         fi
522
523         exit 1
524 fi
525
526 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
527 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
528 ## the sed command below emulates the dirname command
529 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
530
531
532 # this is a hack.  sun4 must always be a valid host alias or this will fail.
533 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
534         true
535 else
536         echo '***' cannot find config.sub.  1>&2
537         exit 1
538 fi
539
540 touch config.junk
541 if ${config_shell} ${moveifchange} config.junk config.trash ; then
542         true
543 else
544         echo '***' cannot find move-if-change.  1>&2
545         exit 1
546 fi
547 rm -f config.junk config.trash
548
549 case "${srcdir}" in
550 "")
551         if [ -r configure.in ] ; then
552                 srcdir=.
553         else
554                 if [ -r ${progname}.in ] ; then
555                         srcdir=`echo ${progname} | sed 's:/configure$::'`
556                 else
557                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
558                         exit 1
559                 fi
560         fi
561         ;;
562 *)
563         # Set srcdir to "." if that's what it is.
564         # This is important for multilib support.
565         if [ ! -d ${srcdir} ] ; then
566                 echo "Invalid source directory ${srcdir}" >&2
567                 exit 1
568         fi
569         pwd=`pwd`
570         srcpwd=`cd ${srcdir} ; pwd`
571         if [ "${pwd}" = "${srcpwd}" ] ; then
572                 srcdir=.
573         fi
574 esac
575
576 ### warn about some conflicting configurations.
577
578 case "${srcdir}" in
579 ".") ;;
580 *)
581         if [ -f ${srcdir}/config.status ] ; then
582                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
583                 exit 1
584         fi
585 esac
586
587 # default exec_prefix
588 case "${exec_prefixoption}" in
589 "") exec_prefix="\$(prefix)" ;;
590 *) ;;
591 esac
592
593 # Define the trigger file to make sure configure will re-run whenever
594 # the gcc version number changes.
595 if [ "${with_gcc_version_trigger+set}" = set ]; then
596     gcc_version_trigger="$with_gcc_version_trigger"
597     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
598 else
599     # If gcc's sources are available, define the trigger file.
600     if [ -f ${topsrcdir}/gcc/version.c ] ; then
601         gcc_version_trigger=${topsrcdir}/gcc/version.c
602         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
603         case "$arguments" in
604           *--with-gcc-version-trigger=$gcc_version_trigger* )
605             ;;
606           * )
607             # Make sure configure.in knows about this.
608             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
609             ;;
610         esac
611         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
612     fi
613 fi
614
615 ### break up ${srcdir}/configure.in.
616 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
617 "")
618         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
619         # Check for a directory that's been converted to use autoconf since
620         # it was last configured.
621         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
622           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
623           if [ -r ${srcdir}/configure ] ; then
624             echo '***' Running the local configure script. 1>&2
625             case "${cache_file}" in
626             "") cache_file_option= ;;
627             *)  cache_file_option="--cache-file=${cache_file}" ;;
628             esac
629             srcdiroption="--srcdir=${srcdir}"
630             case "${build_alias}" in
631             "") buildopt= ;;
632             *)  buildopt="--build=${build_alias}" ;;
633             esac
634             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
635                 ${buildopt} --host=${host_alias} --target=${target_alias} \
636                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
637                 ${srcdiroption} ${diroptions} \
638                 ${program_prefixoption} ${program_suffixoption} \
639                 ${program_transform_nameoption} ${site_option} \
640                 ${withoptions} ${withoutoptions} \
641                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
642                 ${cache_file_option} ${removing} ${other_options} ${redirect}
643           else
644             echo '***' There is no configure script present though. 1>&2
645           fi
646         fi
647         exit 1
648         ;;
649 *) ;;
650 esac
651
652 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
653 "")
654         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
655         exit 1
656         ;;
657 *) ;;
658 esac
659
660 case "${TMPDIR}" in
661 "") TMPDIR=/tmp ; export TMPDIR ;;
662 *) ;;
663 esac
664
665 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
666 tmpdir=${TMPDIR}/cNf$$
667 mkdir ${tmpdir} || exit 1
668 tmpfile=${tmpdir}/cNf$$
669 # Note that under many versions of sh a trap handler for 0 will *override* any
670 # exit status you explicitly specify!  At this point, the only non-error exit
671 # is at the end of the script; these actions are duplicated there, minus
672 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
673 # trap handler, or you'll lose.
674 trap "rm -rf Makefile.tem ${tmpdir}; exit 1" 0 1 2 15
675
676 # split ${srcdir}/configure.in into common, per-host, per-target,
677 # and post-target parts.  Post-target is optional.
678 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
679 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
680 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
681   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
682   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
683 else
684   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
685   echo >${tmpfile}.pos
686 fi
687
688 ### do common part of configure.in
689
690 # If the language specific compiler does not exist, but the "gcc" directory does,
691 # we will skip this directory; in this case the sub-directory's common part
692 # of configure.in will create a small shell script "skip-this-dir" containing
693 # commands to completely clean up any temporary or created files.
694
695 . ${tmpfile}.com
696
697 if test -f skip-this-dir; then
698         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
699         # and reset the trap handler.
700         trap 0
701         rm -rf Makefile* ${tmpdir}
702         # Execute the final clean-up actions
703         ${config_shell} skip-this-dir
704         # and stop configuring this directory.
705         exit 0
706 fi
707
708 # some sanity checks on configure.in
709 case "${srctrigger}" in
710 "")
711         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
712         exit 1
713         ;;
714 *) ;;
715 esac
716
717 case "${build_alias}" in
718 "")
719         if result=`${config_shell} ${configsub} ${host_alias}` ; then
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             build_alias=${host_alias}
725         fi
726         ;;
727 *)
728         if result=`${config_shell} ${configsub} ${build_alias}` ; then
729             buildopt="--build=${build_alias}"
730             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
731             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
732             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
733             build=${build_cpu}-${build_vendor}-${build_os}
734         else
735             echo "Unrecognized build system name ${build_alias}." 1>&2
736             exit 1
737         fi
738         ;;
739 esac
740
741 if result=`${config_shell} ${configsub} ${host_alias}` ; then
742     true
743 else
744     echo "Unrecognized host system name ${host_alias}." 1>&2
745     exit 1
746 fi
747 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
748 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
749 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
750 host=${host_cpu}-${host_vendor}-${host_os}
751
752 . ${tmpfile}.hst
753
754 if result=`${config_shell} ${configsub} ${target_alias}` ; then
755     true
756 else
757     echo "Unrecognized target system name ${target_alias}." 1>&2
758     exit 1
759 fi
760 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
761 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
762 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
763 target=${target_cpu}-${target_vendor}-${target_os}
764
765 . ${tmpfile}.tgt
766
767 # Find the source files, if location was not specified.
768 case "${srcdir}" in
769 "")
770         srcdirdefaulted=1
771         srcdir=.
772         if [ ! -r ${srctrigger} ] ; then
773                 srcdir=..
774         fi
775         ;;
776 *) ;;
777 esac
778
779 if [ ! -r ${srcdir}/${srctrigger} ] ; then
780         case "${srcdirdefaulted}" in
781         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
782         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
783         esac
784
785         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
786         exit 1
787 fi
788
789 # Some systems (e.g., one of the i386-aix systems the gas testers are
790 # using) don't handle "\$" correctly, so don't use it here.
791 tooldir='$(exec_prefix)'/${target_alias}
792
793 if [ "${host_alias}" != "${target_alias}" ] ; then
794     if [ "${program_prefixoption}" = "" ] ; then
795         if [ "${program_suffixoption}" = "" ] ; then 
796             if [ "${program_transform_nameoption}" = "" ] ; then
797                 program_prefix=${target_alias}- ;
798             fi
799         fi
800     fi
801 fi
802
803 # Merge program_prefix and program_suffix onto program_transform_name.
804 # (program_suffix used to use $, but it's hard to preserve $ through both
805 # make and sh.)
806 if [ "${program_suffix}" != "" ] ; then
807     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
808 fi
809
810 if [ "${program_prefix}" != "" ] ; then
811     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
812 fi
813
814 # If CC and CXX are not set in the environment, and the Makefile
815 # exists, try to extract them from it.  This is to handle running
816 # ./config.status by hand.
817 if [ -z "${CC}" ] && [ -r Makefile ]; then
818   sed -n -e ':loop
819 /\\$/ N
820 s/\\\n//g
821 t loop
822 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
823   CC=`tail -1 Makefile.cc`
824   rm -f Makefile.cc
825 fi
826
827 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
828   sed -n -e ':loop
829 /\\$/ N
830 s/\\\n//g
831 t loop
832 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
833   CFLAGS=`tail -1 Makefile.cc`
834   rm -f Makefile.cc
835 fi
836
837 if [ -z "${CXX}" ] && [ -r Makefile ]; then
838   sed -n -e ':loop
839 /\\$/ N
840 s/\\\n//g
841 t loop
842 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
843   CXX=`tail -1 Makefile.cc`
844   rm -f Makefile.cc
845 fi
846
847 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
848   sed -n -e ':loop
849 /\\$/ N
850 s/\\\n//g
851 t loop
852 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
853   CXXFLAGS=`tail -1 Makefile.cc`
854   rm -f Makefile.cc
855 fi
856
857 # Generate a default definition for YACC.  This is used if the makefile can't
858 # locate bison or byacc in objdir.
859
860 for prog in 'bison -y' byacc yacc
861 do
862   set dummy $prog; tmp=$2
863   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
864   for dir in $PATH; do
865     test -z "$dir" && dir=.
866     if test -f $dir/$tmp; then
867       DEFAULT_YACC="$prog"
868       break
869     fi
870   done
871   IFS="$save_ifs"
872
873   test -n "$DEFAULT_YACC" && break
874 done
875
876 # Generate a default definition for M4.  This is used if the makefile can't
877 # locate m4 in objdir.
878
879 for prog in gm4 gnum4 m4
880 do
881   set dummy $prog; tmp=$2
882   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
883   for dir in $PATH; do
884     test -z "$dir" && dir=.
885     if test -f $dir/$tmp; then
886       DEFAULT_M4="$prog"
887       break
888     fi
889   done
890   IFS="$save_ifs"
891
892   test -n "$DEFAULT_M4" && break
893 done
894
895 # Generate a default definition for LEX.  This is used if the makefile can't
896 # locate flex in objdir.
897
898 for prog in flex lex
899 do
900   set dummy $prog; tmp=$2
901   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
902   for dir in $PATH; do
903     test -z "$dir" && dir=.
904     if test -f $dir/$tmp; then
905       DEFAULT_LEX="$prog"
906       break
907     fi
908   done
909   IFS="$save_ifs"
910
911   test -n "$DEFAULT_LEX" && break
912 done
913
914 if [ "${build}" != "${host}" ]; then
915   # If we are doing a Canadian Cross, in which the host and build systems
916   # are not the same, we set reasonable default values for the tools.
917
918   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
919   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET GCJ_FOR_TARGET"
920   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
921   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
922   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
923   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
924   tools="${tools} OBJCOPY OBJDUMP"
925
926   for var in ${tools}; do
927     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
928       sed -n -e ':loop
929 /\\$/ N
930 s/\\\n//g
931 t loop
932 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
933         < Makefile > Makefile.v
934       t=`tail -1 Makefile.v`
935       if [ -n "${t}" ]; then
936         eval "${var}=\${t}"
937       fi
938       rm -f Makefile.v
939     fi
940   done
941
942   AR=${AR-${host_alias}-ar}
943   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
944   AS=${AS-${host_alias}-as}
945   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
946   BISON=${BISON-bison}
947   CC=${CC-${host_alias}-gcc}
948   CFLAGS=${CFLAGS-"-g -O2"}
949   CXX=${CXX-${host_alias}-c++}
950   CXXFLAGS=${CXXFLAGS-"-g -O2"}
951   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
952   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
953   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
954   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
955   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
956   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
957   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
958   HOST_PREFIX=${build_alias}-
959   HOST_PREFIX_1=${build_alias}-
960   LD=${LD-${host_alias}-ld}
961   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
962   MAKEINFO=${MAKEINFO-makeinfo}
963   NM=${NM-${host_alias}-nm}
964   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
965   RANLIB=${RANLIB-${host_alias}-ranlib}
966   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
967   WINDRES=${WINDRES-${host_alias}-windres}
968   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
969   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
970   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
971
972   if [ -z "${YACC}" ]; then
973     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
974     for dir in $PATH; do
975       test -z "$dir" && dir=.
976       if test -f $dir/bison; then
977         YACC="bison -y"
978         break
979       fi
980       if test -f $dir/byacc; then
981         YACC=byacc
982         break
983       fi
984       if test -f $dir/yacc; then
985         YACC=yacc
986         break
987       fi
988     done
989     IFS="$save_ifs"
990     if [ -z "${YACC}" ]; then
991       YACC="bison -y"
992     fi
993   fi
994
995   if [ -z "${LEX}" ]; then
996     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
997     for dir in $PATH; do
998       test -z "$dir" && dir=.
999       if test -f $dir/flex; then
1000         LEX=flex
1001         break
1002       fi
1003       if test -f $dir/lex; then
1004         LEX=lex
1005         break
1006       fi
1007     done
1008     IFS="$save_ifs"
1009     LEX=${LEX-flex}
1010   fi
1011
1012   # Export variables which autoconf might try to set.
1013   export AS
1014   export AR
1015   export CC_FOR_BUILD
1016   export DLLTOOL
1017   export LD
1018   export NM
1019   export RANLIB
1020   export WINDRES
1021   export OBJCOPY
1022   export OBJDUMP
1023 else
1024   # If CC is still not set, try to get gcc.
1025   if [ -z "${CC}" ]; then
1026     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1027     for dir in $PATH; do
1028       test -z "$dir" && dir=.
1029       if test -f $dir/gcc; then
1030         CC="gcc"
1031         echo 'void f(){}' > conftest.c
1032         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1033           CFLAGS=${CFLAGS-"-g -O2"}
1034           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1035         else
1036           CFLAGS=${CFLAGS-"-O2"}
1037           CXXFLAGS=${CXXFLAGS-"-O2"}
1038         fi
1039         rm -f conftest*
1040         break
1041       fi
1042     done
1043     IFS="$save_ifs"
1044     CC=${CC-cc}
1045   else
1046     if test -z "${CFLAGS}"; then
1047       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1048       # is set to a version of gcc.
1049       case "${CC}" in
1050       *gcc)
1051         echo 'void f(){}' > conftest.c
1052         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1053           CFLAGS=${CFLAGS-"-g -O2"}
1054           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1055         else
1056           CFLAGS=${CFLAGS-"-O2"}
1057           CXXFLAGS=${CXXFLAGS-"-O2"}
1058         fi
1059         rm -f conftest*
1060         ;;
1061       esac
1062     fi
1063   fi
1064
1065   CXX=${CXX-"c++"}
1066   CFLAGS=${CFLAGS-"-g"}
1067   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1068 fi
1069
1070 export CC
1071 export CXX
1072 export CFLAGS
1073 export CXXFLAGS
1074
1075 # FIXME: This should be in configure.in, not configure
1076 case "$host" in
1077         *go32*)
1078             enable_gdbtk=no ;;
1079         *msdosdjgpp*)
1080             enable_gdbtk=no ;;
1081 esac
1082
1083 # FIXME: This should be in configure.in, not configure
1084 # Determine whether gdb needs tk/tcl or not.
1085 if [ "$enable_gdbtk" != "no" ]; then
1086         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1087 else
1088         GDB_TK=""
1089 fi
1090
1091 all_build_modules=
1092 if test x"${build_alias}" != x"${host_alias}"
1093 then
1094   all_build_modules='$(ALL_BUILD_MODULES_LIST)'
1095 fi
1096
1097 for subdir in . ${subdirs} ; do
1098
1099     # ${subdir} is relative path from . to the directory we're currently
1100     # configuring.
1101     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1102     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1103
1104     ### figure out what to do with srcdir
1105     case "${srcdir}" in
1106         ".")  # no -srcdir option.  We're building in place.
1107                 makesrcdir=. ;;
1108         /* | [A-Za-z]:[\\/]* ) # absolute path
1109                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1110                 ;;
1111         *) # otherwise relative
1112                 case "${subdir}" in
1113                 .) makesrcdir=${srcdir} ;;
1114                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1115                 esac
1116                 ;;
1117     esac
1118
1119     if [ "${subdir}/" != "./" ] ; then
1120         Makefile=${subdir}/Makefile
1121     fi
1122
1123     if [ ! -d ${subdir} ] ; then
1124         if mkdir ${subdir} ; then
1125                 true
1126         else
1127                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1128                 exit 1
1129         fi
1130     fi
1131
1132     case "${removing}" in
1133     "")
1134         case "${subdir}" in
1135         .) ;;
1136         *) eval echo Building in ${subdir} ${redirect} ;;
1137         esac
1138
1139         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1140         # Set up the list of links to be made.
1141         # ${links} is the list of link names, and ${files} is the list of names to link to.
1142
1143         # Make the links.
1144         configlinks="${links}"
1145         if [ -r ${subdir}/config.status ] ; then
1146                 mv -f ${subdir}/config.status ${subdir}/config.back
1147         fi
1148         while [ -n "${files}" ] ; do
1149                 # set file to car of files, files to cdr of files
1150                 set ${files}; file=$1; shift; files=$*
1151                 set ${links}; link=$1; shift; links=$*
1152
1153                 if [ ! -r ${srcdir}/${file} ] ; then
1154                   if [ ! -r ${file} ] ; then
1155                     
1156                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1157                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1158                         exit 1
1159                   else
1160                         srcfile=${file}
1161                   fi
1162                 else
1163                         srcfile=${srcdir}/${file}
1164                 fi
1165
1166                 ${remove} -f ${link}
1167                 # Make a symlink if possible, otherwise try a hard link
1168                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1169                         true
1170                 else
1171                         # We need to re-remove the file because Lynx leaves a 
1172                         # very strange directory there when it fails an NFS symlink.
1173                         ${remove} -r -f ${link}
1174                         ${hard_link} ${srcfile} ${link}
1175                 fi
1176                 if [ ! -r ${link} ] ; then
1177                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1178                         exit 1
1179                 fi
1180
1181                 echo "Linked \"${link}\" to \"${srcfile}\"."
1182         done
1183
1184         # Create a .gdbinit file which runs the one in srcdir
1185         # and tells GDB to look there for source files.
1186
1187         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1188                 case ${srcdir} in
1189                 .) ;;
1190                 *) cat > ${subdir}/.gdbinit <<EOF
1191 # ${NO_EDIT}
1192 dir ${makesrcdir}
1193 dir .
1194 source ${makesrcdir}/.gdbinit
1195 EOF
1196                         ;;
1197                 esac
1198         fi
1199
1200         # Install a makefile, and make it set VPATH
1201         # if necessary so that the sources are found.
1202         # Also change its value of srcdir.
1203         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1204         # been somewhat optimized and is perhaps a bit twisty.
1205
1206         # code is order so as to try to sed the smallest input files we know.
1207         # so do these separately because I don't trust the order of sed -e expressions.
1208
1209         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1210         # package macros, target, host, site, and package rules.
1211
1212         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1213
1214             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1215             rm -f ${subdir}/${Makefile}.tem
1216             case "${package_makefile_rules_frag}" in
1217               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1218               *)
1219                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1220                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1221                       fi
1222                       if [ -f ${package_makefile_rules_frag} ] ; then
1223                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1224                       else
1225                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1226                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1227                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1228                       fi
1229             esac
1230             # working copy now in ${Makefile}.tem
1231
1232             # Conditionalize for this site.
1233             rm -f ${Makefile}
1234               case "${site}" in
1235               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1236               *)
1237                       site_makefile_frag=${srcdir}/config/ms-${site}
1238
1239                       if [ -f ${site_makefile_frag} ] ; then
1240                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1241                                       > ${Makefile}
1242                       else
1243                               mv ${subdir}/Makefile.tem ${Makefile}
1244                               site_makefile_frag=
1245                       fi
1246                       ;;
1247             esac
1248             # working copy now in ${Makefile}
1249
1250             # Conditionalize the makefile for this host.
1251             rm -f ${subdir}/Makefile.tem
1252             case "${host_makefile_frag}" in
1253               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1254               *)
1255                       if [ ! -f ${host_makefile_frag} ] ; then
1256                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1257                       fi
1258                       if [ -f ${host_makefile_frag} ] ; then
1259                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1260                       else
1261                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1262                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1263                               mv ${Makefile} ${subdir}/Makefile.tem
1264                       fi
1265             esac
1266             # working copy now in ${subdir)/Makefile.tem
1267
1268             # Conditionalize the makefile for this target.
1269             rm -f ${Makefile}
1270             case "${target_makefile_frag}" in
1271               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1272               *)
1273                       if [ ! -f ${target_makefile_frag} ] ; then
1274                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1275                       fi
1276                       if [ -f ${target_makefile_frag} ] ; then
1277                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1278                       else
1279                               mv ${subdir}/Makefile.tem ${Makefile}
1280                               target_makefile_frag=
1281                       fi
1282                       ;;
1283             esac
1284             # working copy now in ${Makefile}
1285
1286             # Emit the default values of this package's macros.
1287             rm -f ${subdir}/Makefile.tem
1288             case "${package_makefile_frag}" in
1289               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1290               *)
1291                       if [ ! -f ${package_makefile_frag} ] ; then
1292                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1293                       fi
1294                       if [ -f ${package_makefile_frag} ] ; then
1295                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1296                       else
1297                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1298                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1299                               mv ${Makefile} ${subdir}/Makefile.tem
1300                       fi
1301             esac
1302             # real copy now in ${subdir}/Makefile.tem
1303
1304             # prepend warning about editing, and a bunch of variables.
1305             rm -f ${Makefile}
1306             cat > ${Makefile} <<EOF
1307 # ${NO_EDIT}
1308 VPATH = ${makesrcdir}
1309 links = ${configlinks}
1310 host_alias = ${host_alias}
1311 host_cpu = ${host_cpu}
1312 host_vendor = ${host_vendor}
1313 host_os = ${host_os}
1314 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1315 target_alias = ${target_alias}
1316 target_cpu = ${target_cpu}
1317 target_vendor = ${target_vendor}
1318 target_os = ${target_os}
1319 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1320 EOF
1321             case "${build}" in
1322               "") ;;
1323               *)  cat >> ${Makefile} << EOF
1324 build_alias = ${build_alias}
1325 build_cpu = ${build_cpu}
1326 build_vendor = ${build_vendor}
1327 build_os = ${build_os}
1328 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1329 EOF
1330             esac
1331
1332             case "${package_makefile_frag}" in
1333               "") ;;
1334               /* | [A-Za-z]:[\\/]* ) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1335               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1336             esac
1337
1338             case "${target_makefile_frag}" in
1339               "") ;;
1340               /* | [A-Za-z]:[\\/]* ) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1341               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1342             esac
1343
1344             case "${host_makefile_frag}" in
1345               "") ;;
1346               /* | [A-Za-z]:[\\/]* ) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1347               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1348             esac
1349
1350             if [ "${site_makefile_frag}" != "" ] ; then
1351                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1352             fi 
1353
1354             echo enable_shared = ${enable_shared} >> ${Makefile}
1355             echo enable_threads = ${enable_threads} >> ${Makefile}
1356             # record if we want to rumtime library stuff installed in libsubdir.
1357             if test -z "${enable_version_specific_runtime_libs}"; then
1358                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1359             else
1360                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1361             fi
1362
1363             # Emit a macro which describes the file containing gcc's
1364             # version number.
1365             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1366             # And emit a macro defining gcc's version number.
1367             echo gcc_version = ${gcc_version} >> ${Makefile}
1368
1369             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1370             # remove any form feeds.
1371             if [ -z "${subdirs}" ]; then
1372                 rm -f ${subdir}/Makefile.tm2
1373                 sedtemp=sed.$$
1374                 cat >$sedtemp <<EOF
1375 s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:
1376 s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:
1377 EOF
1378                 sed -f $sedtemp \
1379                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1380                 rm -f $sedtemp
1381                 rm -f ${subdir}/Makefile.tem
1382                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1383             fi
1384             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1385                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1386                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1387                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1388                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1389                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1390                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1391                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1392                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1393                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1394                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1395                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1396                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1397                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1398                     -e "s|^ALL_BUILD_MODULES =.*|ALL_BUILD_MODULES =${all_build_modules}|" \
1399                     -e "/^CC[   ]*=/{
1400                         :loop1
1401                         /\\\\$/ N
1402                         s/\\\\\\n//g
1403                         t loop1
1404                         s%^CC[  ]*=.*$%CC = ${CC}%
1405                         }" \
1406                     -e "/^CXX[  ]*=/{
1407                         :loop2
1408                         /\\\\$/ N
1409                         s/\\\\\\n//g
1410                         t loop2
1411                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1412                         }" \
1413                     -e "/^CFLAGS[       ]*=/{
1414                         :loop3
1415                         /\\\\$/ N
1416                         s/\\\\\\n//g
1417                         t loop3
1418                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1419                         }" \
1420                     -e "/^CXXFLAGS[     ]*=/{
1421                         :loop4
1422                         /\\\\$/ N
1423                         s/\\\\\\n//g
1424                         t loop4
1425                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1426                         }" \
1427                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1428                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1429                     -e "s/\f//" \
1430                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1431                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1432                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1433                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1434                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1435                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1436                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1437                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1438                     ${subdir}/Makefile.tem >> ${Makefile}
1439   
1440             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1441             mv -f ${Makefile}.tem ${Makefile}
1442
1443             # If this is a Canadian Cross, preset the values of many more
1444             # tools.
1445             if [ "${build}" != "${host}" ]; then
1446                 for var in ${tools}; do
1447                     eval val=\$${var}
1448                     sed -e "/^${var}[   ]*=/{
1449                            :loop1
1450                            /\\\\$/ N
1451                            /\\\\$/ b loop1
1452                            s/\\\\\\n//g
1453                            s%^${var}[   ]*=.*$%${var} = ${val}%
1454                            }" ${Makefile} > ${Makefile}.tem
1455                     mv -f ${Makefile}.tem ${Makefile}
1456                 done
1457             fi
1458
1459             # final copy now in ${Makefile}
1460
1461         else
1462            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1463         fi
1464
1465         rm -f ${subdir}/Makefile.tem
1466
1467         case "${host_makefile_frag}" in
1468         "") using= ;;
1469         *) using="and \"${host_makefile_frag}\"" ;;
1470         esac
1471
1472         case "${target_makefile_frag}" in
1473         "") ;;
1474         *) using="${using} and \"${target_makefile_frag}\"" ;;
1475         esac
1476
1477         case "${site_makefile_frag}" in
1478         "") ;;
1479         *) using="${using} and \"${site_makefile_frag}\"" ;;
1480         esac
1481
1482         newusing=`echo "${using}" | sed 's/and/using/'`
1483         using=${newusing}
1484         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1485
1486         . ${tmpfile}.pos
1487
1488         # describe the chosen configuration in config.status.
1489         # Make that file a shellscript which will reestablish
1490         # the same configuration.  Used in Makefiles to rebuild
1491         # Makefiles.
1492
1493         case "${norecursion}" in
1494         "") arguments="${arguments} --norecursion" ;;
1495         *) ;;
1496         esac
1497
1498         if [ ${subdir} = . ] ; then
1499             echo "#!/bin/sh
1500 # ${NO_EDIT}
1501 # This directory was configured as follows:
1502 ${progname}" ${arguments}  "
1503 # ${using}" > ${subdir}/config.new
1504         else
1505             echo "#!/bin/sh
1506 # ${NO_EDIT}
1507 # This directory was configured as follows:
1508 cd ${invsubdir}
1509 ${progname}" ${arguments}  "
1510 # ${using}" > ${subdir}/config.new
1511         fi
1512         chmod a+x ${subdir}/config.new
1513         if [ -r ${subdir}/config.back ] ; then
1514                 mv -f ${subdir}/config.back ${subdir}/config.status
1515         fi
1516         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1517         ;;
1518
1519     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1520     esac
1521 done
1522
1523 # If there are subdirectories, then recur.
1524 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1525         for configdir in ${configdirs} ${extraconfigdirs} ; do
1526
1527                 # If configdir contains ',' it is
1528                 # srcdir,builddir,target_alias
1529                 # These come from extraconfigdirs.
1530                 case ${configdir} in
1531                 *,*)
1532                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1533                     ;;
1534                 *)
1535                     cfg_dir=${configdir}
1536                     bld_dir=${configdir}
1537                     tgt_alias=${target_alias}
1538                     ;;
1539                 esac
1540
1541                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1542                         eval echo Configuring ${configdir}... ${redirect}
1543                         case "${srcdir}" in
1544                         ".") ;;
1545                         *)
1546                                 if [ ! -d ./${bld_dir} ] ; then
1547                                         if mkdir ./${bld_dir} ; then
1548                                                 true
1549                                         else
1550                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1551                                                 exit 1
1552                                         fi
1553                                 fi
1554                                 ;;
1555                         esac
1556
1557                         POPDIR=${PWD=`pwd`}
1558                         cd ${bld_dir} 
1559
1560 ### figure out what to do with srcdir
1561                         case "${srcdir}" in
1562                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1563                         /* | [A-Za-z]:[\\/]* ) # absolute path
1564                                 newsrcdir=${srcdir}/${cfg_dir}
1565                                 srcdiroption="--srcdir=${newsrcdir}"
1566                                 ;;
1567                         *) # otherwise relative
1568                                 newsrcdir=../${srcdir}/${cfg_dir}
1569                                 srcdiroption="--srcdir=${newsrcdir}"
1570                                 ;;
1571                         esac
1572
1573                         # Handle --cache-file=../XXX
1574                         case "${cache_file}" in
1575                         "") # empty
1576                                 ;;
1577                         /* | [A-Za-z]:[\\/]* ) # absolute path
1578                                 cache_file_option="--cache-file=${cache_file}"
1579                                 ;;
1580                         *) # relative path
1581                                 cache_file_option="--cache-file=../${cache_file}"
1582                                 ;;
1583                         esac
1584
1585 ### check for guested configure, otherwise fix possibly relative progname
1586                         if [ -f ${newsrcdir}/configure ] ; then
1587                                 recprog=${newsrcdir}/configure
1588                         elif [ -f ${newsrcdir}/configure.in ] ; then
1589                                 case "${progname}" in
1590                                 /* | [A-Za-z]:[\\/]* )  recprog=${progname} ;;
1591                                 *)                      recprog=../${progname} ;;
1592                                 esac
1593                         else
1594                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1595                                 recprog=
1596                         fi
1597
1598 ### The recursion line is here.
1599                         if [ ! -z "${recprog}" ] ; then
1600                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1601                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1602                                         ${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
1603                                         true
1604                                 else
1605                                         echo Configure in `pwd` failed, exiting. 1>&2
1606                                         exit 1
1607                                 fi
1608                         fi
1609
1610                         cd ${POPDIR}
1611                 fi
1612         done
1613 fi
1614
1615 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1616 # and reset the trap handler.
1617 rm -rf ${tmpdir}
1618 trap 0
1619
1620 exit 0
1621
1622 #
1623 # Local Variables:
1624 # fill-column: 131
1625 # End:
1626 #
1627
1628 # end of configure