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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 enable_threads=no
57 enable_shared=no
58 exec_prefix=
59 exec_prefixoption=
60 fatal=
61 floating_point=default
62 gas=default
63 gcc_version=
64 gcc_version_trigger=
65 host_alias=NOHOST
66 host_makefile_frag=
67 moveifchange=
68 norecursion=
69 other_options=
70 package_makefile_frag=
71 package_makefile_rules_frag=
72 prefix=/usr/local
73 progname=
74 program_prefix=
75 program_prefixoption=
76 program_suffix=
77 program_suffixoption=
78 program_transform_name=
79 program_transform_nameoption=
80 redirect=
81 removing=
82 site=
83 site_makefile_frag=
84 site_option=
85 srcdir=
86 srctrigger=
87 subdirs=
88 target_alias=NOTARGET
89 target_makefile_frag=
90 undefs=NOUNDEFS
91 version="$Revision: 1.27 $"
92 x11=default
93 bindir='${exec_prefix}/bin'
94 sbindir='${exec_prefix}/sbin'
95 libexecdir='${exec_prefix}/libexec'
96 datadir='${prefix}/share'
97 sysconfdir='${prefix}/etc'
98 sharedstatedir='${prefix}/com'
99 localstatedir='${prefix}/var'
100 libdir='${exec_prefix}/lib'
101 includedir='${prefix}/include'
102 oldincludedir='/usr/include'
103 infodir='${prefix}/info'
104 mandir='${prefix}/man'
105
106 ### we might need to use some other shell than /bin/sh for running subshells
107
108 ### If we are on Windows, search for the shell.  This will permit people
109 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
110 ### without also having to set CONFIG_SHELL.  This code will work when
111 ### using bash, which sets OSTYPE.
112 case "${OSTYPE}" in
113 *win32*)
114   if [ x${CONFIG_SHELL} = x ]; then
115     if [ ! -f /bin/sh ]; then
116       if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
117         CONFIG_SHELL=${SHELL}
118         export CONFIG_SHELL
119       else
120         for prog in sh sh.exe bash bash.exe; do
121           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
122           for dir in $PATH; do
123             test -z "$dir" && dir=.
124             if test -f $dir/$prog; then
125               CONFIG_SHELL=$dir/$prog
126               export CONFIG_SHELL
127               break
128             fi
129           done
130           IFS="$save_ifs"
131           test -n "${CONFIG_SHELL}" && break
132         done
133       fi
134     fi
135   fi
136   ;;
137 esac
138
139 config_shell=${CONFIG_SHELL-/bin/sh}
140
141 NO_EDIT="This file was generated automatically by configure.  Do not edit."
142
143 ## this is a little touchy and won't always work, but...
144 ##
145 ## if the argv[0] starts with a slash then it is an absolute name that can (and
146 ## must) be used as is.
147 ##
148 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
149 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
150 ##
151
152 progname=$0
153 # if PWD already has a value, it is probably wrong.
154 if [ -n "$PWD" ]; then PWD=`pwd`; fi
155
156 case "${progname}" in
157 /*) ;;
158 */*) ;;
159 *)
160         PATH=$PATH:${PWD=`pwd`} ; export PATH
161         ;;
162 esac
163
164 # Loop over all args
165
166 while :
167 do
168
169 # Break out if there are no more args
170         case $# in
171         0)
172                 break
173                 ;;
174         esac
175
176 # Get the first arg, and shuffle
177         option=$1
178         shift
179
180 # Make all options have two hyphens
181         orig_option=$option     # Save original for error messages
182         case $option in
183         --*) ;;
184         -*) option=-$option ;;
185         esac
186                 
187 # Split out the argument for options that take them
188         case $option in
189         --*=*)
190                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
191                 arguments="$arguments $option"
192                 ;;
193 # These options have mandatory values.  Since we didn't find an = sign,
194 # the value must be in the next argument
195         --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*)
196                 optarg=$1
197                 shift
198                 arguments="$arguments $option=$optarg"
199                 ;;
200         --v)
201                 arguments="$arguments -v"
202                 ;;
203         --*)
204                 arguments="$arguments $option"
205                 ;;
206         esac
207
208 # Now, process the options
209         case $option in
210
211         --bi*)
212                 bindir=$optarg
213                 diroptions="$diroptions --bindir=$optarg"
214                 ;;
215         --build* | --bu*)
216                 case "$build_alias" in
217                 "") build_alias=$optarg ;;
218                 *) echo '***' Can only configure for one build machine at a time.  1>&2
219                    fatal=yes
220                    ;;
221                 esac
222                 ;;
223         --cache*)
224                 cache_file=$optarg
225                 ;;
226         --da*)
227                 datadir=$optarg
228                 diroptions="$diroptions --datadir=$optarg"
229                 ;;
230         --disable-*)
231                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
232                 eval $enableopt=no
233                 disableoptions="$disableoptions $option"
234                 ;;
235         --enable-*)
236                 case "$option" in
237                 *=*)    ;;
238                 *)      optarg=yes ;;
239                 esac
240
241                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
242                 eval "$enableopt=\$optarg"
243                 enableoptions="$enableoptions '$option'"
244                 ;;
245         --exec-prefix* | --ex*)
246                 exec_prefix=$optarg
247                 exec_prefixoption="--exec-prefix=$optarg"
248                 ;;
249         --gas | --g*)
250                 gas=yes
251                 ;;
252         --help | --he*)
253                 fatal=yes
254                 ;;
255         --host* | --ho*)
256                 case $host_alias in
257                 NOHOST) host_alias=$optarg ;;
258                 *) echo '***' Can only configure for one host at a time.  1>&2
259                    fatal=yes
260                    ;;
261                 esac
262                 ;;
263         --inc*)
264                 includedir=$optarg
265                 diroptions="$diroptions --includedir=$optarg"
266                 ;;
267         --inf*)
268                 infodir=$optarg
269                 diroptions="$diroptions --infodir=$optarg"
270                 ;;
271         --libd*)
272                 libdir=$optarg
273                 diroptions="$diroptions --libdir=$optarg"
274                 ;;
275         --libe*)
276                 libexecdir=$optarg
277                 diroptions="$diroptions --libexecdir=$optarg"
278                 ;;
279         --lo*)
280                 localstatedir=$optarg
281                 diroptions="$diroptions --localstatedir=$optarg"
282                 ;;
283         --ma*)
284                 mandir=$optarg
285                 diroptions="$diroptions --mandir=$optarg"
286                 ;;
287         --nfp | --nf*)
288                 floating_point=no
289                 floating_pointoption="--nfp"
290                 ;;
291         --norecursion | --no*)
292                 norecursion=yes
293                 ;;
294         --ol*)
295                 oldincludedir=$optarg
296                 diroptions="$diroptions --oldincludedir=$optarg"
297                 ;;
298         --prefix* | --pre*)
299                 prefix=$optarg
300                 prefixoption="--prefix=$optarg"
301                 ;;
302         --program-prefix* | --program-p*)
303                 program_prefix=$optarg
304                 program_prefixoption="--program-prefix=$optarg"
305                 ;;
306         --program-suffix* | --program-s*)
307                 program_suffix=$optarg
308                 program_suffixoption="--program-suffix=$optarg"
309                 ;;
310         --program-transform-name* | --program-t*)
311                 # Double any backslashes or dollar signs in the argument
312                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
313                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
314                 ;;
315         --rm)
316                 removing=--rm
317                 ;;
318         --sb*)
319                 sbindir=$optarg
320                 diroptions="$diroptions --sbindir=$optarg"
321                 ;;
322         --sh*)
323                 sharedstatedir=$optarg
324                 diroptions="$diroptions --sharedstatedir=$optarg"
325                 ;;
326         --silent | --sil* | --quiet | --q*)
327                 redirect=">/dev/null"
328                 verbose=--silent
329                 ;;
330         --site* | --sit*)
331                 site=$optarg
332                 site_option="--site=$optarg"
333                 ;;
334         --srcdir*/ | --sr*/)
335                 # Remove trailing slashes.  Otherwise, when the file name gets
336                 # bolted into an object file as debug info, it has two slashes
337                 # in it.  Ordinarily this is ok, but emacs takes double slash
338                 # to mean "forget the first part".
339                 srcdir=`echo $optarg | sed -e 's:/$::'`
340                 ;;
341         --srcdir* | --sr*)
342                 srcdir=$optarg
343                 ;;
344         --sy*)
345                 sysconfdir=$optarg
346                 diroptions="$diroptions --sysconfdir=$optarg"
347                 ;;
348         --target* | --ta*)
349                 case $target_alias in
350                 NOTARGET) target_alias=$optarg ;;
351                 *) echo '***' Can only configure for one target at a time.  1>&2
352                    fatal=yes
353                    ;;
354                 esac
355                 ;;
356         --tmpdir* | --tm*)
357                 TMPDIR=$optarg
358                 tmpdiroption="--tmpdir=$optarg"
359                 ;;
360         --verbose | --v | --verb*)
361                 redirect=
362                 verbose=--verbose
363                 ;;
364         --version | --V | --vers*)
365                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
366                 exit 0
367                 ;;
368         --with-*)
369                 case "$option" in
370                 *=*)    ;;
371                 *)      optarg=yes ;;
372                 esac
373
374                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
375                 eval $withopt="\$optarg"
376                 withoptions="$withoptions $option"
377                 ;;
378         --without-*)
379                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
380                 eval $withopt=no
381                 withoutoptions="$withoutoptions $option"
382                 ;;
383         --x)    with_x=yes
384                 withoptions="$withoptions --with-x"
385                 ;;
386         --x-i* | --x-l*) other_options="$other_options $orig_option"
387                 ;;
388         --*)
389                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
390                 exit 1
391                 ;;
392         *)
393                 case $undefs in
394                 NOUNDEFS) undefs=$option ;;
395                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
396                    fatal=yes
397                    ;;
398                 esac
399                 ;;
400         esac
401 done
402
403 # process host and target
404
405 # Do some error checking and defaulting for the host and target type.
406 # The inputs are:
407 #    configure --host=HOST --target=TARGET UNDEFS
408 #
409 # The rules are:
410 # 1. You aren't allowed to specify --host, --target, and undefs at the
411 #    same time.
412 # 2. Host defaults to undefs.
413 # 3. If undefs is not specified, then host defaults to the current host,
414 #    as determined by config.guess.
415 # 4. Target defaults to undefs.
416 # 5. If undefs is not specified, then target defaults to host.
417
418 case "${fatal}" in
419 "")
420         # Make sure that host, target & undefs aren't all specified at the
421         # same time.
422         case $host_alias---$target_alias---$undefs in
423         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
424                 ;;
425         *) echo '***' Can only configure for one host and one target at a time.  1>&2
426            fatal=yes
427            break 2
428                 ;;
429         esac
430
431         # Now, do defaulting for host.
432         case $host_alias in
433         NOHOST)
434                 case $undefs in
435                 NOUNDEFS)
436                         # Neither --host option nor undefs were present.
437                         # Call config.guess.
438                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
439                         if host_alias=`${config_shell} ${guesssys}`
440                         then
441                                 # If the string we are going to use for
442                                 # the target is a prefix of the string
443                                 # we just guessed for the host, then
444                                 # assume we are running native, and force
445                                 # the same string for both target and host.
446                                 case $target_alias in
447                                 NOTARGET) ;;
448                                 *)
449                                         if expr $host_alias : $target_alias >/dev/null
450                                         then
451                                                 host_alias=$target_alias
452                                         fi
453                                         ;;
454                                 esac
455                                 echo "Configuring for a ${host_alias} host." 1>&2
456                                 arguments="--host=$host_alias $arguments"
457                         else
458                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
459                                 fatal=yes
460                         fi
461                         ;;
462                 *)
463                         host_alias=$undefs
464                         arguments="--host=$host_alias $arguments"
465                         undefs=NOUNDEFS
466                         ;;
467                 esac
468         esac
469
470         # Do defaulting for target.  If --target option isn't present, default
471         # to undefs.  If undefs isn't present, default to host.
472         case $target_alias in
473         NOTARGET)
474                 case $undefs in
475                 NOUNDEFS)
476                         target_alias=$host_alias
477                         ;;
478                 *)
479                         target_alias=$undefs
480                         arguments="--target=$target_alias $arguments"
481                         ;;
482                 esac
483         esac
484         ;;
485 *) ;;
486 esac
487
488 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
489         exec 1>&2
490         echo Usage: configure [OPTIONS] [HOST]
491         echo
492         echo Options: [defaults in brackets]
493         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
494         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
495         echo ' --help                    print this message [normal config]'
496         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
497         echo ' --host=HOST               configure for HOST [determined via config.guess]'
498         echo ' --norecursion             configure this directory only [recurse]'
499         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
500         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
501         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
502         echo ' --site=SITE               configure with site-specific makefile for SITE'
503         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
504         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
505         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
506         echo ' --nfp                     configure for software floating point [hard float]'
507         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
508         echo ' --without-FOO             package FOO is NOT available'
509         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
510         echo ' --disable-FOO             do not include feature FOO'
511         echo
512         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
513         echo
514         if [ -r config.status ] ; then
515                 cat config.status
516         fi
517
518         exit 1
519 fi
520
521 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
522 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
523 ## the sed command below emulates the dirname command
524 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
525
526
527 # this is a hack.  sun4 must always be a valid host alias or this will fail.
528 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
529         true
530 else
531         echo '***' cannot find config.sub.  1>&2
532         exit 1
533 fi
534
535 touch config.junk
536 if ${config_shell} ${moveifchange} config.junk config.trash ; then
537         true
538 else
539         echo '***' cannot find move-if-change.  1>&2
540         exit 1
541 fi
542 rm -f config.junk config.trash
543
544 case "${srcdir}" in
545 "")
546         if [ -r configure.in ] ; then
547                 srcdir=.
548         else
549                 if [ -r ${progname}.in ] ; then
550                         srcdir=`echo ${progname} | sed 's:/configure$::'`
551                 else
552                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
553                         exit 1
554                 fi
555         fi
556         ;;
557 *)
558         # Set srcdir to "." if that's what it is.
559         # This is important for multilib support.
560         if [ ! -d ${srcdir} ] ; then
561                 echo "Invalid source directory ${srcdir}" >&2
562                 exit 1
563         fi
564         pwd=`pwd`
565         srcpwd=`cd ${srcdir} ; pwd`
566         if [ "${pwd}" = "${srcpwd}" ] ; then
567                 srcdir=.
568         fi
569 esac
570
571 ### warn about some conflicting configurations.
572
573 case "${srcdir}" in
574 ".") ;;
575 *)
576         if [ -f ${srcdir}/config.status ] ; then
577                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
578                 exit 1
579         fi
580 esac
581
582 # default exec_prefix
583 case "${exec_prefixoption}" in
584 "") exec_prefix="\$(prefix)" ;;
585 *) ;;
586 esac
587
588 # Define the trigger file to make sure configure will re-run whenever
589 # the gcc version number changes.
590 if [ "${with_gcc_version_trigger+set}" = set ]; then
591     gcc_version_trigger="$with_gcc_version_trigger"
592     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
593 else
594     # If gcc's sources are available, define the trigger file.
595     if [ -f ${topsrcdir}/gcc/version.c ] ; then
596         gcc_version_trigger=${topsrcdir}/gcc/version.c
597         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
598         case "$arguments" in
599           *--with-gcc-version-trigger=$gcc_version_trigger* )
600             ;;
601           * )
602             # Make sure configure.in knows about this.
603             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
604             ;;
605         esac
606         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
607     fi
608 fi
609
610 ### break up ${srcdir}/configure.in.
611 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
612 "")
613         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
614         # Check for a directory that's been converted to use autoconf since
615         # it was last configured.
616         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
617           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
618           if [ -r ${srcdir}/configure ] ; then
619             echo '***' Running the local configure script. 1>&2
620             case "${cache_file}" in
621             "") cache_file_option= ;;
622             *)  cache_file_option="--cache-file=${cache_file}" ;;
623             esac
624             srcdiroption="--srcdir=${srcdir}"
625             case "${build_alias}" in
626             "") buildopt= ;;
627             *)  buildopt="--build=${build_alias}" ;;
628             esac
629             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
630                 ${buildopt} --host=${host_alias} --target=${target_alias} \
631                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
632                 ${srcdiroption} ${diroptions} \
633                 ${program_prefixoption} ${program_suffixoption} \
634                 ${program_transform_nameoption} ${site_option} \
635                 ${withoptions} ${withoutoptions} \
636                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
637                 ${cache_file_option} ${removing} ${other_options} ${redirect}
638           else
639             echo '***' There is no configure script present though. 1>&2
640           fi
641         fi
642         exit 1
643         ;;
644 *) ;;
645 esac
646
647 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
648 "")
649         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
650         exit 1
651         ;;
652 *) ;;
653 esac
654
655 case "${TMPDIR}" in
656 "") TMPDIR=/tmp ; export TMPDIR ;;
657 *) ;;
658 esac
659
660 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
661 tmpfile=${TMPDIR}/cNf$$
662 # Note that under many versions of sh a trap handler for 0 will *override* any
663 # exit status you explicitly specify!  At this point, the only non-error exit
664 # is at the end of the script; these actions are duplicated there, minus
665 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
666 # trap handler, or you'll lose.
667 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
668
669 # split ${srcdir}/configure.in into common, per-host, per-target,
670 # and post-target parts.  Post-target is optional.
671 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
672 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
673 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
674   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
675   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
676 else
677   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
678   echo >${tmpfile}.pos
679 fi
680
681 ### do common part of configure.in
682
683 # If the language specific compiler does not exist, but the "gcc" directory does,
684 # we will skip this directory; in this case the sub-directory's common part
685 # of configure.in will create a small shell script "skip-this-dir" containing
686 # commands to completely clean up any temporary or created files.
687
688 . ${tmpfile}.com
689
690 if test -f skip-this-dir; then
691         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
692         # and reset the trap handler.
693         trap 0
694         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
695         # Execute the final clean-up actions
696         ${config_shell} skip-this-dir
697         # and stop configuring this directory.
698         exit 0
699 fi
700
701 # some sanity checks on configure.in
702 case "${srctrigger}" in
703 "")
704         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
705         exit 1
706         ;;
707 *) ;;
708 esac
709
710 case "${build_alias}" in
711 "")
712         if result=`${config_shell} ${configsub} ${host_alias}` ; then
713             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
714             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
715             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
716             build=${build_cpu}-${build_vendor}-${build_os}
717             build_alias=${host_alias}
718         fi
719         ;;
720 *)
721         if result=`${config_shell} ${configsub} ${build_alias}` ; then
722             buildopt="--build=${build_alias}"
723             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
724             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
725             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
726             build=${build_cpu}-${build_vendor}-${build_os}
727         else
728             echo "Unrecognized build system name ${build_alias}." 1>&2
729             exit 1
730         fi
731         ;;
732 esac
733
734 if result=`${config_shell} ${configsub} ${host_alias}` ; then
735     true
736 else
737     echo "Unrecognized host system name ${host_alias}." 1>&2
738     exit 1
739 fi
740 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
741 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
742 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
743 host=${host_cpu}-${host_vendor}-${host_os}
744
745 . ${tmpfile}.hst
746
747 if result=`${config_shell} ${configsub} ${target_alias}` ; then
748     true
749 else
750     echo "Unrecognized target system name ${target_alias}." 1>&2
751     exit 1
752 fi
753 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
754 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
755 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
756 target=${target_cpu}-${target_vendor}-${target_os}
757
758 . ${tmpfile}.tgt
759
760 # Find the source files, if location was not specified.
761 case "${srcdir}" in
762 "")
763         srcdirdefaulted=1
764         srcdir=.
765         if [ ! -r ${srctrigger} ] ; then
766                 srcdir=..
767         fi
768         ;;
769 *) ;;
770 esac
771
772 if [ ! -r ${srcdir}/${srctrigger} ] ; then
773         case "${srcdirdefaulted}" in
774         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
775         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
776         esac
777
778         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
779         exit 1
780 fi
781
782 # Some systems (e.g., one of the i386-aix systems the gas testers are
783 # using) don't handle "\$" correctly, so don't use it here.
784 tooldir='$(exec_prefix)'/${target_alias}
785
786 if [ "${host_alias}" != "${target_alias}" ] ; then
787     if [ "${program_prefixoption}" = "" ] ; then
788         if [ "${program_suffixoption}" = "" ] ; then 
789             if [ "${program_transform_nameoption}" = "" ] ; then
790                 program_prefix=${target_alias}- ;
791             fi
792         fi
793     fi
794 fi
795
796 # Merge program_prefix and program_suffix onto program_transform_name.
797 # (program_suffix used to use $, but it's hard to preserve $ through both
798 # make and sh.)
799 if [ "${program_suffix}" != "" ] ; then
800     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
801 fi
802
803 if [ "${program_prefix}" != "" ] ; then
804     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
805 fi
806
807 # If CC and CXX are not set in the environment, and the Makefile
808 # exists, try to extract them from it.  This is to handle running
809 # ./config.status by hand.
810 if [ -z "${CC}" ] && [ -r Makefile ]; then
811   sed -n -e ':loop
812 /\\$/ N
813 s/\\\n//g
814 t loop
815 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
816   CC=`tail -1 Makefile.cc`
817   rm -f Makefile.cc
818 fi
819
820 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
821   sed -n -e ':loop
822 /\\$/ N
823 s/\\\n//g
824 t loop
825 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
826   CFLAGS=`tail -1 Makefile.cc`
827   rm -f Makefile.cc
828 fi
829
830 if [ -z "${CXX}" ] && [ -r Makefile ]; then
831   sed -n -e ':loop
832 /\\$/ N
833 s/\\\n//g
834 t loop
835 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
836   CXX=`tail -1 Makefile.cc`
837   rm -f Makefile.cc
838 fi
839
840 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
841   sed -n -e ':loop
842 /\\$/ N
843 s/\\\n//g
844 t loop
845 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
846   CXXFLAGS=`tail -1 Makefile.cc`
847   rm -f Makefile.cc
848 fi
849
850 # Generate a default definition for YACC.  This is used if the makefile can't
851 # locate bison or byacc in objdir.
852
853 for prog in 'bison -y' byacc yacc
854 do
855   set dummy $prog; tmp=$2
856   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
857   for dir in $PATH; do
858     test -z "$dir" && dir=.
859     if test -f $dir/$tmp; then
860       DEFAULT_YACC="$prog"
861       break
862     fi
863   done
864   IFS="$save_ifs"
865
866   test -n "$DEFAULT_YACC" && break
867 done
868
869 # Generate a default definition for M4.  This is used if the makefile can't
870 # locate m4 in objdir.
871
872 for prog in gm4 gnum4 m4
873 do
874   set dummy $prog; tmp=$2
875   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
876   for dir in $PATH; do
877     test -z "$dir" && dir=.
878     if test -f $dir/$tmp; then
879       DEFAULT_M4="$prog"
880       break
881     fi
882   done
883   IFS="$save_ifs"
884
885   test -n "$DEFAULT_M4" && break
886 done
887
888 # Generate a default definition for LEX.  This is used if the makefile can't
889 # locate flex in objdir.
890
891 for prog in flex lex
892 do
893   set dummy $prog; tmp=$2
894   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
895   for dir in $PATH; do
896     test -z "$dir" && dir=.
897     if test -f $dir/$tmp; then
898       DEFAULT_LEX="$prog"
899       break
900     fi
901   done
902   IFS="$save_ifs"
903
904   test -n "$DEFAULT_LEX" && break
905 done
906
907 if [ "${build}" != "${host}" ]; then
908   # If we are doing a Canadian Cross, in which the host and build systems
909   # are not the same, we set reasonable default values for the tools.
910
911   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
912   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
913   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
914   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
915   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
916   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
917   tools="${tools} OBJCOPY OBJDUMP"
918
919   for var in ${tools}; do
920     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
921       sed -n -e ':loop
922 /\\$/ N
923 s/\\\n//g
924 t loop
925 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
926         < Makefile > Makefile.v
927       t=`tail -1 Makefile.v`
928       if [ -n "${t}" ]; then
929         eval "${var}=\${t}"
930       fi
931       rm -f Makefile.v
932     fi
933   done
934
935   AR=${AR-${host_alias}-ar}
936   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
937   AS=${AS-${host_alias}-as}
938   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
939   BISON=${BISON-bison}
940   CC=${CC-${host_alias}-gcc}
941   CFLAGS=${CFLAGS-"-g -O2"}
942   CXX=${CXX-${host_alias}-c++}
943   CXXFLAGS=${CXXFLAGS-"-g -O2"}
944   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
945   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
946   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
947   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
948   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
949   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
950   HOST_PREFIX=${build_alias}-
951   HOST_PREFIX_1=${build_alias}-
952   LD=${LD-${host_alias}-ld}
953   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
954   MAKEINFO=${MAKEINFO-makeinfo}
955   NM=${NM-${host_alias}-nm}
956   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
957   RANLIB=${RANLIB-${host_alias}-ranlib}
958   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
959   WINDRES=${WINDRES-${host_alias}-windres}
960   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
961   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
962   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
963
964   if [ -z "${YACC}" ]; then
965     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
966     for dir in $PATH; do
967       test -z "$dir" && dir=.
968       if test -f $dir/bison; then
969         YACC="bison -y"
970         break
971       fi
972       if test -f $dir/byacc; then
973         YACC=byacc
974         break
975       fi
976       if test -f $dir/yacc; then
977         YACC=yacc
978         break
979       fi
980     done
981     IFS="$save_ifs"
982     if [ -z "${YACC}" ]; then
983       YACC="bison -y"
984     fi
985   fi
986
987   if [ -z "${LEX}" ]; then
988     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
989     for dir in $PATH; do
990       test -z "$dir" && dir=.
991       if test -f $dir/flex; then
992         LEX=flex
993         break
994       fi
995       if test -f $dir/lex; then
996         LEX=lex
997         break
998       fi
999     done
1000     IFS="$save_ifs"
1001     LEX=${LEX-flex}
1002   fi
1003
1004   # Export variables which autoconf might try to set.
1005   export AS
1006   export AR
1007   export CC_FOR_BUILD
1008   export DLLTOOL
1009   export LD
1010   export NM
1011   export RANLIB
1012   export WINDRES
1013   export OBJCOPY
1014   export OBJDUMP
1015 else
1016   # If CC is still not set, try to get gcc.
1017   if [ -z "${CC}" ]; then
1018     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1019     for dir in $PATH; do
1020       test -z "$dir" && dir=.
1021       if test -f $dir/gcc; then
1022         CC="gcc"
1023         echo 'void f(){}' > conftest.c
1024         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1025           CFLAGS=${CFLAGS-"-g -O2"}
1026           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1027         else
1028           CFLAGS=${CFLAGS-"-O2"}
1029           CXXFLAGS=${CXXFLAGS-"-O2"}
1030         fi
1031         rm -f conftest*
1032         break
1033       fi
1034     done
1035     IFS="$save_ifs"
1036     CC=${CC-cc}
1037   else
1038     if test -z "${CFLAGS}"; then
1039       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1040       # is set to a version of gcc.
1041       case "${CC}" in
1042       *gcc)
1043         echo 'void f(){}' > conftest.c
1044         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1045           CFLAGS=${CFLAGS-"-g -O2"}
1046           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1047         else
1048           CFLAGS=${CFLAGS-"-O2"}
1049           CXXFLAGS=${CXXFLAGS-"-O2"}
1050         fi
1051         rm -f conftest*
1052         ;;
1053       esac
1054     fi
1055   fi
1056
1057   CXX=${CXX-"c++"}
1058   CFLAGS=${CFLAGS-"-g"}
1059   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1060 fi
1061
1062 export CC
1063 export CXX
1064 export CFLAGS
1065 export CXXFLAGS
1066
1067 # FIXME: This should be in configure.in, not configure
1068 case "$host" in
1069         *go32*)
1070             enable_gdbtk=no ;;
1071         *msdosdjgpp*)
1072             enable_gdbtk=no ;;
1073 esac
1074
1075 # FIXME: This should be in configure.in, not configure
1076 # Determine whether gdb needs tk/tcl or not.
1077 if [ "$enable_gdbtk" != "no" ]; then
1078         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1079 else
1080         GDB_TK=""
1081 fi
1082
1083 for subdir in . ${subdirs} ; do
1084
1085     # ${subdir} is relative path from . to the directory we're currently
1086     # configuring.
1087     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1088     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1089
1090     ### figure out what to do with srcdir
1091     case "${srcdir}" in
1092         ".")  # no -srcdir option.  We're building in place.
1093                 makesrcdir=. ;;
1094         /*) # absolute path
1095                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1096                 ;;
1097         *) # otherwise relative
1098                 case "${subdir}" in
1099                 .) makesrcdir=${srcdir} ;;
1100                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1101                 esac
1102                 ;;
1103     esac
1104
1105     if [ "${subdir}/" != "./" ] ; then
1106         Makefile=${subdir}/Makefile
1107     fi
1108
1109     if [ ! -d ${subdir} ] ; then
1110         if mkdir ${subdir} ; then
1111                 true
1112         else
1113                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1114                 exit 1
1115         fi
1116     fi
1117
1118     case "${removing}" in
1119     "")
1120         case "${subdir}" in
1121         .) ;;
1122         *) eval echo Building in ${subdir} ${redirect} ;;
1123         esac
1124
1125         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1126         # Set up the list of links to be made.
1127         # ${links} is the list of link names, and ${files} is the list of names to link to.
1128
1129         # Make the links.
1130         configlinks="${links}"
1131         if [ -r ${subdir}/config.status ] ; then
1132                 mv -f ${subdir}/config.status ${subdir}/config.back
1133         fi
1134         while [ -n "${files}" ] ; do
1135                 # set file to car of files, files to cdr of files
1136                 set ${files}; file=$1; shift; files=$*
1137                 set ${links}; link=$1; shift; links=$*
1138
1139                 if [ ! -r ${srcdir}/${file} ] ; then
1140                   if [ ! -r ${file} ] ; then
1141                     
1142                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1143                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1144                         exit 1
1145                   else
1146                         srcfile=${file}
1147                   fi
1148                 else
1149                         srcfile=${srcdir}/${file}
1150                 fi
1151
1152                 ${remove} -f ${link}
1153                 # Make a symlink if possible, otherwise try a hard link
1154                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1155                         true
1156                 else
1157                         # We need to re-remove the file because Lynx leaves a 
1158                         # very strange directory there when it fails an NFS symlink.
1159                         ${remove} -r -f ${link}
1160                         ${hard_link} ${srcfile} ${link}
1161                 fi
1162                 if [ ! -r ${link} ] ; then
1163                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1164                         exit 1
1165                 fi
1166
1167                 echo "Linked \"${link}\" to \"${srcfile}\"."
1168         done
1169
1170         # Create a .gdbinit file which runs the one in srcdir
1171         # and tells GDB to look there for source files.
1172
1173         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1174                 case ${srcdir} in
1175                 .) ;;
1176                 *) cat > ${subdir}/.gdbinit <<EOF
1177 # ${NO_EDIT}
1178 dir ${makesrcdir}
1179 dir .
1180 source ${makesrcdir}/.gdbinit
1181 EOF
1182                         ;;
1183                 esac
1184         fi
1185
1186         # Install a makefile, and make it set VPATH
1187         # if necessary so that the sources are found.
1188         # Also change its value of srcdir.
1189         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1190         # been somewhat optimized and is perhaps a bit twisty.
1191
1192         # code is order so as to try to sed the smallest input files we know.
1193         # so do these separately because I don't trust the order of sed -e expressions.
1194
1195         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1196         # package macros, target, host, site, and package rules.
1197
1198         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1199
1200             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1201             rm -f ${subdir}/${Makefile}.tem
1202             case "${package_makefile_rules_frag}" in
1203               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1204               *)
1205                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1206                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1207                       fi
1208                       if [ -f ${package_makefile_rules_frag} ] ; then
1209                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1210                       else
1211                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1212                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1213                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1214                       fi
1215             esac
1216             # working copy now in ${Makefile}.tem
1217
1218             # Conditionalize for this site.
1219             rm -f ${Makefile}
1220               case "${site}" in
1221               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1222               *)
1223                       site_makefile_frag=${srcdir}/config/ms-${site}
1224
1225                       if [ -f ${site_makefile_frag} ] ; then
1226                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1227                                       > ${Makefile}
1228                       else
1229                               mv ${subdir}/Makefile.tem ${Makefile}
1230                               site_makefile_frag=
1231                       fi
1232                       ;;
1233             esac
1234             # working copy now in ${Makefile}
1235
1236             # Conditionalize the makefile for this host.
1237             rm -f ${subdir}/Makefile.tem
1238             case "${host_makefile_frag}" in
1239               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1240               *)
1241                       if [ ! -f ${host_makefile_frag} ] ; then
1242                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1243                       fi
1244                       if [ -f ${host_makefile_frag} ] ; then
1245                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1246                       else
1247                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1248                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1249                               mv ${Makefile} ${subdir}/Makefile.tem
1250                       fi
1251             esac
1252             # working copy now in ${subdir)/Makefile.tem
1253
1254             # Conditionalize the makefile for this target.
1255             rm -f ${Makefile}
1256             case "${target_makefile_frag}" in
1257               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1258               *)
1259                       if [ ! -f ${target_makefile_frag} ] ; then
1260                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1261                       fi
1262                       if [ -f ${target_makefile_frag} ] ; then
1263                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1264                       else
1265                               mv ${subdir}/Makefile.tem ${Makefile}
1266                               target_makefile_frag=
1267                       fi
1268                       ;;
1269             esac
1270             # working copy now in ${Makefile}
1271
1272             # Emit the default values of this package's macros.
1273             rm -f ${subdir}/Makefile.tem
1274             case "${package_makefile_frag}" in
1275               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1276               *)
1277                       if [ ! -f ${package_makefile_frag} ] ; then
1278                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1279                       fi
1280                       if [ -f ${package_makefile_frag} ] ; then
1281                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1282                       else
1283                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1284                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1285                               mv ${Makefile} ${subdir}/Makefile.tem
1286                       fi
1287             esac
1288             # real copy now in ${subdir}/Makefile.tem
1289
1290             # prepend warning about editting, and a bunch of variables.
1291             rm -f ${Makefile}
1292             cat > ${Makefile} <<EOF
1293 # ${NO_EDIT}
1294 VPATH = ${makesrcdir}
1295 links = ${configlinks}
1296 host_alias = ${host_alias}
1297 host_cpu = ${host_cpu}
1298 host_vendor = ${host_vendor}
1299 host_os = ${host_os}
1300 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1301 target_alias = ${target_alias}
1302 target_cpu = ${target_cpu}
1303 target_vendor = ${target_vendor}
1304 target_os = ${target_os}
1305 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1306 EOF
1307             case "${build}" in
1308               "") ;;
1309               *)  cat >> ${Makefile} << EOF
1310 build_alias = ${build_alias}
1311 build_cpu = ${build_cpu}
1312 build_vendor = ${build_vendor}
1313 build_os = ${build_os}
1314 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1315 EOF
1316             esac
1317
1318             case "${package_makefile_frag}" in
1319               "") ;;
1320               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1321               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1322             esac
1323
1324             case "${target_makefile_frag}" in
1325               "") ;;
1326               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1327               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1328             esac
1329
1330             case "${host_makefile_frag}" in
1331               "") ;;
1332               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1333               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1334             esac
1335
1336             if [ "${site_makefile_frag}" != "" ] ; then
1337                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1338             fi 
1339
1340             echo enable_shared = ${enable_shared} >> ${Makefile}
1341             echo enable_threads = ${enable_threads} >> ${Makefile}
1342             # record if we want to rumtime library stuff installed in libsubdir.
1343             if test -z "${enable_version_specific_runtime_libs}"; then
1344                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1345             else
1346                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1347             fi
1348
1349             # Emit a macro which describes the file containing gcc's
1350             # version number.
1351             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1352             # And emit a macro defining gcc's version number.
1353             echo gcc_version = ${gcc_version} >> ${Makefile}
1354
1355             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1356             # remove any form feeds.
1357             if [ -z "${subdirs}" ]; then
1358                 rm -f ${subdir}/Makefile.tm2
1359                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1360                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1361                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1362                 rm -f ${subdir}/Makefile.tem
1363                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1364             fi
1365             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1366                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1367                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1368                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1369                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1370                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1371                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1372                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1373                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1374                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1375                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1376                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1377                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1378                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1379                     -e "/^CC[   ]*=/{
1380                         :loop1
1381                         /\\\\$/ N
1382                         s/\\\\\\n//g
1383                         t loop1
1384                         s%^CC[  ]*=.*$%CC = ${CC}%
1385                         }" \
1386                     -e "/^CXX[  ]*=/{
1387                         :loop2
1388                         /\\\\$/ N
1389                         s/\\\\\\n//g
1390                         t loop2
1391                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1392                         }" \
1393                     -e "/^CFLAGS[       ]*=/{
1394                         :loop3
1395                         /\\\\$/ N
1396                         s/\\\\\\n//g
1397                         t loop3
1398                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1399                         }" \
1400                     -e "/^CXXFLAGS[     ]*=/{
1401                         :loop4
1402                         /\\\\$/ N
1403                         s/\\\\\\n//g
1404                         t loop4
1405                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1406                         }" \
1407                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1408                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1409                     -e "s/\f//" \
1410                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1411                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1412                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1413                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1414                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1415                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1416                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1417                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1418                     ${subdir}/Makefile.tem >> ${Makefile}
1419   
1420             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1421             mv -f ${Makefile}.tem ${Makefile}
1422
1423             # If this is a Canadian Cross, preset the values of many more
1424             # tools.
1425             if [ "${build}" != "${host}" ]; then
1426                 for var in ${tools}; do
1427                     eval val=\$${var}
1428                     sed -e "/^${var}[   ]*=/{
1429                            :loop1
1430                            /\\\\$/ N
1431                            /\\\\$/ b loop1
1432                            s/\\\\\\n//g
1433                            s%^${var}[   ]*=.*$%${var} = ${val}%
1434                            }" ${Makefile} > ${Makefile}.tem
1435                     mv -f ${Makefile}.tem ${Makefile}
1436                 done
1437             fi
1438
1439             # final copy now in ${Makefile}
1440
1441         else
1442            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1443         fi
1444
1445         rm -f ${subdir}/Makefile.tem
1446
1447         case "${host_makefile_frag}" in
1448         "") using= ;;
1449         *) using="and \"${host_makefile_frag}\"" ;;
1450         esac
1451
1452         case "${target_makefile_frag}" in
1453         "") ;;
1454         *) using="${using} and \"${target_makefile_frag}\"" ;;
1455         esac
1456
1457         case "${site_makefile_frag}" in
1458         "") ;;
1459         *) using="${using} and \"${site_makefile_frag}\"" ;;
1460         esac
1461
1462         newusing=`echo "${using}" | sed 's/and/using/'`
1463         using=${newusing}
1464         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1465
1466         . ${tmpfile}.pos
1467
1468         # describe the chosen configuration in config.status.
1469         # Make that file a shellscript which will reestablish
1470         # the same configuration.  Used in Makefiles to rebuild
1471         # Makefiles.
1472
1473         case "${norecursion}" in
1474         "") arguments="${arguments} --norecursion" ;;
1475         *) ;;
1476         esac
1477
1478         if [ ${subdir} = . ] ; then
1479             echo "#!/bin/sh
1480 # ${NO_EDIT}
1481 # This directory was configured as follows:
1482 ${progname}" ${arguments}  "
1483 # ${using}" > ${subdir}/config.new
1484         else
1485             echo "#!/bin/sh
1486 # ${NO_EDIT}
1487 # This directory was configured as follows:
1488 cd ${invsubdir}
1489 ${progname}" ${arguments}  "
1490 # ${using}" > ${subdir}/config.new
1491         fi
1492         chmod a+x ${subdir}/config.new
1493         if [ -r ${subdir}/config.back ] ; then
1494                 mv -f ${subdir}/config.back ${subdir}/config.status
1495         fi
1496         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1497         ;;
1498
1499     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1500     esac
1501 done
1502
1503 # If there are subdirectories, then recur.
1504 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1505         for configdir in ${configdirs} ${extraconfigdirs} ; do
1506
1507                 # If configdir contains ',' it is
1508                 # srcdir,builddir,target_alias
1509                 # These come from extraconfigdirs.
1510                 case ${configdir} in
1511                 *,*)
1512                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1513                     ;;
1514                 *)
1515                     cfg_dir=${configdir}
1516                     bld_dir=${configdir}
1517                     tgt_alias=${target_alias}
1518                     ;;
1519                 esac
1520
1521                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1522                         eval echo Configuring ${configdir}... ${redirect}
1523                         case "${srcdir}" in
1524                         ".") ;;
1525                         *)
1526                                 if [ ! -d ./${bld_dir} ] ; then
1527                                         if mkdir ./${bld_dir} ; then
1528                                                 true
1529                                         else
1530                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1531                                                 exit 1
1532                                         fi
1533                                 fi
1534                                 ;;
1535                         esac
1536
1537                         POPDIR=${PWD=`pwd`}
1538                         cd ${bld_dir} 
1539
1540 ### figure out what to do with srcdir
1541                         case "${srcdir}" in
1542                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1543                         /*) # absolute path
1544                                 newsrcdir=${srcdir}/${cfg_dir}
1545                                 srcdiroption="--srcdir=${newsrcdir}"
1546                                 ;;
1547                         ?:*) # absolute path on win32
1548                                 newsrcdir=${srcdir}/${cfg_dir}
1549                                 srcdiroption="--srcdir=${newsrcdir}"
1550                                 ;;
1551                         *) # otherwise relative
1552                                 newsrcdir=../${srcdir}/${cfg_dir}
1553                                 srcdiroption="--srcdir=${newsrcdir}"
1554                                 ;;
1555                         esac
1556
1557                         # Handle --cache-file=../XXX
1558                         case "${cache_file}" in
1559                         "") # empty
1560                                 ;;
1561                         /*) # absolute path
1562                                 cache_file_option="--cache-file=${cache_file}"
1563                                 ;;
1564                         ?:*) # absolute path on win32
1565                                 cache_file_option="--cache-file=${cache_file}"
1566                                 ;;
1567                         *) # relative path
1568                                 cache_file_option="--cache-file=../${cache_file}"
1569                                 ;;
1570                         esac
1571
1572 ### check for guested configure, otherwise fix possibly relative progname
1573                         if [ -f ${newsrcdir}/configure ] ; then
1574                                 recprog=${newsrcdir}/configure
1575                         elif [ -f ${newsrcdir}/configure.in ] ; then
1576                                 case "${progname}" in
1577                                 /*)     recprog=${progname} ;;
1578                                 ?:*)    recprog=${progname} ;;
1579                                 *)      recprog=../${progname} ;;
1580                                 esac
1581                         else
1582                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1583                                 recprog=
1584                         fi
1585
1586 ### The recursion line is here.
1587                         if [ ! -z "${recprog}" ] ; then
1588                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1589                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1590                                         ${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
1591                                         true
1592                                 else
1593                                         echo Configure in `pwd` failed, exiting. 1>&2
1594                                         exit 1
1595                                 fi
1596                         fi
1597
1598                         cd ${POPDIR}
1599                 fi
1600         done
1601 fi
1602
1603 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1604 # and reset the trap handler.
1605 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1606 trap 0
1607
1608 exit 0
1609
1610 #
1611 # Local Variables:
1612 # fill-column: 131
1613 # End:
1614 #
1615
1616 # end of configure