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* parse.y (check_static_final_variable_assignment_flag): Fix spelling.
[pf3gnuchains/gcc-fork.git] / configure
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 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: 1.31 $"
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 /*) ;;
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 ${host_alias} host." 1>&2
461                                 arguments="--host=$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 &%*%$*# 14 char file names and 8+3 file names
666 tmpfile=${TMPDIR}/cNf$$
667 # Note that under many versions of sh a trap handler for 0 will *override* any
668 # exit status you explicitly specify!  At this point, the only non-error exit
669 # is at the end of the script; these actions are duplicated there, minus
670 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
671 # trap handler, or you'll lose.
672 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
673
674 # split ${srcdir}/configure.in into common, per-host, per-target,
675 # and post-target parts.  Post-target is optional.
676 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
677 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
678 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
679   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
680   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
681 else
682   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
683   echo >${tmpfile}.pos
684 fi
685
686 ### do common part of configure.in
687
688 # If the language specific compiler does not exist, but the "gcc" directory does,
689 # we will skip this directory; in this case the sub-directory's common part
690 # of configure.in will create a small shell script "skip-this-dir" containing
691 # commands to completely clean up any temporary or created files.
692
693 . ${tmpfile}.com
694
695 if test -f skip-this-dir; then
696         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
697         # and reset the trap handler.
698         trap 0
699         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
700         # Execute the final clean-up actions
701         ${config_shell} skip-this-dir
702         # and stop configuring this directory.
703         exit 0
704 fi
705
706 # some sanity checks on configure.in
707 case "${srctrigger}" in
708 "")
709         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
710         exit 1
711         ;;
712 *) ;;
713 esac
714
715 case "${build_alias}" in
716 "")
717         if result=`${config_shell} ${configsub} ${host_alias}` ; then
718             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
719             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
720             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
721             build=${build_cpu}-${build_vendor}-${build_os}
722             build_alias=${host_alias}
723         fi
724         ;;
725 *)
726         if result=`${config_shell} ${configsub} ${build_alias}` ; then
727             buildopt="--build=${build_alias}"
728             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
729             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
730             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
731             build=${build_cpu}-${build_vendor}-${build_os}
732         else
733             echo "Unrecognized build system name ${build_alias}." 1>&2
734             exit 1
735         fi
736         ;;
737 esac
738
739 if result=`${config_shell} ${configsub} ${host_alias}` ; then
740     true
741 else
742     echo "Unrecognized host system name ${host_alias}." 1>&2
743     exit 1
744 fi
745 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
746 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
747 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
748 host=${host_cpu}-${host_vendor}-${host_os}
749
750 . ${tmpfile}.hst
751
752 if result=`${config_shell} ${configsub} ${target_alias}` ; then
753     true
754 else
755     echo "Unrecognized target system name ${target_alias}." 1>&2
756     exit 1
757 fi
758 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
759 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
760 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
761 target=${target_cpu}-${target_vendor}-${target_os}
762
763 . ${tmpfile}.tgt
764
765 # Find the source files, if location was not specified.
766 case "${srcdir}" in
767 "")
768         srcdirdefaulted=1
769         srcdir=.
770         if [ ! -r ${srctrigger} ] ; then
771                 srcdir=..
772         fi
773         ;;
774 *) ;;
775 esac
776
777 if [ ! -r ${srcdir}/${srctrigger} ] ; then
778         case "${srcdirdefaulted}" in
779         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
780         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
781         esac
782
783         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
784         exit 1
785 fi
786
787 # Some systems (e.g., one of the i386-aix systems the gas testers are
788 # using) don't handle "\$" correctly, so don't use it here.
789 tooldir='$(exec_prefix)'/${target_alias}
790
791 if [ "${host_alias}" != "${target_alias}" ] ; then
792     if [ "${program_prefixoption}" = "" ] ; then
793         if [ "${program_suffixoption}" = "" ] ; then 
794             if [ "${program_transform_nameoption}" = "" ] ; then
795                 program_prefix=${target_alias}- ;
796             fi
797         fi
798     fi
799 fi
800
801 # Merge program_prefix and program_suffix onto program_transform_name.
802 # (program_suffix used to use $, but it's hard to preserve $ through both
803 # make and sh.)
804 if [ "${program_suffix}" != "" ] ; then
805     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
806 fi
807
808 if [ "${program_prefix}" != "" ] ; then
809     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
810 fi
811
812 # If CC and CXX are not set in the environment, and the Makefile
813 # exists, try to extract them from it.  This is to handle running
814 # ./config.status by hand.
815 if [ -z "${CC}" ] && [ -r Makefile ]; then
816   sed -n -e ':loop
817 /\\$/ N
818 s/\\\n//g
819 t loop
820 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
821   CC=`tail -1 Makefile.cc`
822   rm -f Makefile.cc
823 fi
824
825 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
826   sed -n -e ':loop
827 /\\$/ N
828 s/\\\n//g
829 t loop
830 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
831   CFLAGS=`tail -1 Makefile.cc`
832   rm -f Makefile.cc
833 fi
834
835 if [ -z "${CXX}" ] && [ -r Makefile ]; then
836   sed -n -e ':loop
837 /\\$/ N
838 s/\\\n//g
839 t loop
840 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
841   CXX=`tail -1 Makefile.cc`
842   rm -f Makefile.cc
843 fi
844
845 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
846   sed -n -e ':loop
847 /\\$/ N
848 s/\\\n//g
849 t loop
850 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
851   CXXFLAGS=`tail -1 Makefile.cc`
852   rm -f Makefile.cc
853 fi
854
855 # Generate a default definition for YACC.  This is used if the makefile can't
856 # locate bison or byacc in objdir.
857
858 for prog in 'bison -y' byacc yacc
859 do
860   set dummy $prog; tmp=$2
861   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
862   for dir in $PATH; do
863     test -z "$dir" && dir=.
864     if test -f $dir/$tmp; then
865       DEFAULT_YACC="$prog"
866       break
867     fi
868   done
869   IFS="$save_ifs"
870
871   test -n "$DEFAULT_YACC" && break
872 done
873
874 # Generate a default definition for M4.  This is used if the makefile can't
875 # locate m4 in objdir.
876
877 for prog in gm4 gnum4 m4
878 do
879   set dummy $prog; tmp=$2
880   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
881   for dir in $PATH; do
882     test -z "$dir" && dir=.
883     if test -f $dir/$tmp; then
884       DEFAULT_M4="$prog"
885       break
886     fi
887   done
888   IFS="$save_ifs"
889
890   test -n "$DEFAULT_M4" && break
891 done
892
893 # Generate a default definition for LEX.  This is used if the makefile can't
894 # locate flex in objdir.
895
896 for prog in flex lex
897 do
898   set dummy $prog; tmp=$2
899   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
900   for dir in $PATH; do
901     test -z "$dir" && dir=.
902     if test -f $dir/$tmp; then
903       DEFAULT_LEX="$prog"
904       break
905     fi
906   done
907   IFS="$save_ifs"
908
909   test -n "$DEFAULT_LEX" && break
910 done
911
912 if [ "${build}" != "${host}" ]; then
913   # If we are doing a Canadian Cross, in which the host and build systems
914   # are not the same, we set reasonable default values for the tools.
915
916   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
917   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
918   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
919   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
920   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
921   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
922   tools="${tools} OBJCOPY OBJDUMP"
923
924   for var in ${tools}; do
925     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
926       sed -n -e ':loop
927 /\\$/ N
928 s/\\\n//g
929 t loop
930 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
931         < Makefile > Makefile.v
932       t=`tail -1 Makefile.v`
933       if [ -n "${t}" ]; then
934         eval "${var}=\${t}"
935       fi
936       rm -f Makefile.v
937     fi
938   done
939
940   AR=${AR-${host_alias}-ar}
941   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
942   AS=${AS-${host_alias}-as}
943   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
944   BISON=${BISON-bison}
945   CC=${CC-${host_alias}-gcc}
946   CFLAGS=${CFLAGS-"-g -O2"}
947   CXX=${CXX-${host_alias}-c++}
948   CXXFLAGS=${CXXFLAGS-"-g -O2"}
949   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
950   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
951   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
952   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
953   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
954   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
955   HOST_PREFIX=${build_alias}-
956   HOST_PREFIX_1=${build_alias}-
957   LD=${LD-${host_alias}-ld}
958   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
959   MAKEINFO=${MAKEINFO-makeinfo}
960   NM=${NM-${host_alias}-nm}
961   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
962   RANLIB=${RANLIB-${host_alias}-ranlib}
963   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
964   WINDRES=${WINDRES-${host_alias}-windres}
965   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
966   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
967   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
968
969   if [ -z "${YACC}" ]; then
970     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
971     for dir in $PATH; do
972       test -z "$dir" && dir=.
973       if test -f $dir/bison; then
974         YACC="bison -y"
975         break
976       fi
977       if test -f $dir/byacc; then
978         YACC=byacc
979         break
980       fi
981       if test -f $dir/yacc; then
982         YACC=yacc
983         break
984       fi
985     done
986     IFS="$save_ifs"
987     if [ -z "${YACC}" ]; then
988       YACC="bison -y"
989     fi
990   fi
991
992   if [ -z "${LEX}" ]; then
993     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
994     for dir in $PATH; do
995       test -z "$dir" && dir=.
996       if test -f $dir/flex; then
997         LEX=flex
998         break
999       fi
1000       if test -f $dir/lex; then
1001         LEX=lex
1002         break
1003       fi
1004     done
1005     IFS="$save_ifs"
1006     LEX=${LEX-flex}
1007   fi
1008
1009   # Export variables which autoconf might try to set.
1010   export AS
1011   export AR
1012   export CC_FOR_BUILD
1013   export DLLTOOL
1014   export LD
1015   export NM
1016   export RANLIB
1017   export WINDRES
1018   export OBJCOPY
1019   export OBJDUMP
1020 else
1021   # If CC is still not set, try to get gcc.
1022   if [ -z "${CC}" ]; then
1023     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1024     for dir in $PATH; do
1025       test -z "$dir" && dir=.
1026       if test -f $dir/gcc; then
1027         CC="gcc"
1028         echo 'void f(){}' > conftest.c
1029         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1030           CFLAGS=${CFLAGS-"-g -O2"}
1031           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1032         else
1033           CFLAGS=${CFLAGS-"-O2"}
1034           CXXFLAGS=${CXXFLAGS-"-O2"}
1035         fi
1036         rm -f conftest*
1037         break
1038       fi
1039     done
1040     IFS="$save_ifs"
1041     CC=${CC-cc}
1042   else
1043     if test -z "${CFLAGS}"; then
1044       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1045       # is set to a version of gcc.
1046       case "${CC}" in
1047       *gcc)
1048         echo 'void f(){}' > conftest.c
1049         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1050           CFLAGS=${CFLAGS-"-g -O2"}
1051           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1052         else
1053           CFLAGS=${CFLAGS-"-O2"}
1054           CXXFLAGS=${CXXFLAGS-"-O2"}
1055         fi
1056         rm -f conftest*
1057         ;;
1058       esac
1059     fi
1060   fi
1061
1062   CXX=${CXX-"c++"}
1063   CFLAGS=${CFLAGS-"-g"}
1064   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1065 fi
1066
1067 export CC
1068 export CXX
1069 export CFLAGS
1070 export CXXFLAGS
1071
1072 # FIXME: This should be in configure.in, not configure
1073 case "$host" in
1074         *go32*)
1075             enable_gdbtk=no ;;
1076         *msdosdjgpp*)
1077             enable_gdbtk=no ;;
1078 esac
1079
1080 # FIXME: This should be in configure.in, not configure
1081 # Determine whether gdb needs tk/tcl or not.
1082 if [ "$enable_gdbtk" != "no" ]; then
1083         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1084 else
1085         GDB_TK=""
1086 fi
1087
1088 for subdir in . ${subdirs} ; do
1089
1090     # ${subdir} is relative path from . to the directory we're currently
1091     # configuring.
1092     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1093     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1094
1095     ### figure out what to do with srcdir
1096     case "${srcdir}" in
1097         ".")  # no -srcdir option.  We're building in place.
1098                 makesrcdir=. ;;
1099         /*) # absolute path
1100                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1101                 ;;
1102         *) # otherwise relative
1103                 case "${subdir}" in
1104                 .) makesrcdir=${srcdir} ;;
1105                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1106                 esac
1107                 ;;
1108     esac
1109
1110     if [ "${subdir}/" != "./" ] ; then
1111         Makefile=${subdir}/Makefile
1112     fi
1113
1114     if [ ! -d ${subdir} ] ; then
1115         if mkdir ${subdir} ; then
1116                 true
1117         else
1118                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1119                 exit 1
1120         fi
1121     fi
1122
1123     case "${removing}" in
1124     "")
1125         case "${subdir}" in
1126         .) ;;
1127         *) eval echo Building in ${subdir} ${redirect} ;;
1128         esac
1129
1130         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1131         # Set up the list of links to be made.
1132         # ${links} is the list of link names, and ${files} is the list of names to link to.
1133
1134         # Make the links.
1135         configlinks="${links}"
1136         if [ -r ${subdir}/config.status ] ; then
1137                 mv -f ${subdir}/config.status ${subdir}/config.back
1138         fi
1139         while [ -n "${files}" ] ; do
1140                 # set file to car of files, files to cdr of files
1141                 set ${files}; file=$1; shift; files=$*
1142                 set ${links}; link=$1; shift; links=$*
1143
1144                 if [ ! -r ${srcdir}/${file} ] ; then
1145                   if [ ! -r ${file} ] ; then
1146                     
1147                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1148                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1149                         exit 1
1150                   else
1151                         srcfile=${file}
1152                   fi
1153                 else
1154                         srcfile=${srcdir}/${file}
1155                 fi
1156
1157                 ${remove} -f ${link}
1158                 # Make a symlink if possible, otherwise try a hard link
1159                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1160                         true
1161                 else
1162                         # We need to re-remove the file because Lynx leaves a 
1163                         # very strange directory there when it fails an NFS symlink.
1164                         ${remove} -r -f ${link}
1165                         ${hard_link} ${srcfile} ${link}
1166                 fi
1167                 if [ ! -r ${link} ] ; then
1168                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1169                         exit 1
1170                 fi
1171
1172                 echo "Linked \"${link}\" to \"${srcfile}\"."
1173         done
1174
1175         # Create a .gdbinit file which runs the one in srcdir
1176         # and tells GDB to look there for source files.
1177
1178         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1179                 case ${srcdir} in
1180                 .) ;;
1181                 *) cat > ${subdir}/.gdbinit <<EOF
1182 # ${NO_EDIT}
1183 dir ${makesrcdir}
1184 dir .
1185 source ${makesrcdir}/.gdbinit
1186 EOF
1187                         ;;
1188                 esac
1189         fi
1190
1191         # Install a makefile, and make it set VPATH
1192         # if necessary so that the sources are found.
1193         # Also change its value of srcdir.
1194         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1195         # been somewhat optimized and is perhaps a bit twisty.
1196
1197         # code is order so as to try to sed the smallest input files we know.
1198         # so do these separately because I don't trust the order of sed -e expressions.
1199
1200         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1201         # package macros, target, host, site, and package rules.
1202
1203         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1204
1205             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1206             rm -f ${subdir}/${Makefile}.tem
1207             case "${package_makefile_rules_frag}" in
1208               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1209               *)
1210                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1211                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1212                       fi
1213                       if [ -f ${package_makefile_rules_frag} ] ; then
1214                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1215                       else
1216                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1217                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1218                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1219                       fi
1220             esac
1221             # working copy now in ${Makefile}.tem
1222
1223             # Conditionalize for this site.
1224             rm -f ${Makefile}
1225               case "${site}" in
1226               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1227               *)
1228                       site_makefile_frag=${srcdir}/config/ms-${site}
1229
1230                       if [ -f ${site_makefile_frag} ] ; then
1231                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1232                                       > ${Makefile}
1233                       else
1234                               mv ${subdir}/Makefile.tem ${Makefile}
1235                               site_makefile_frag=
1236                       fi
1237                       ;;
1238             esac
1239             # working copy now in ${Makefile}
1240
1241             # Conditionalize the makefile for this host.
1242             rm -f ${subdir}/Makefile.tem
1243             case "${host_makefile_frag}" in
1244               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1245               *)
1246                       if [ ! -f ${host_makefile_frag} ] ; then
1247                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1248                       fi
1249                       if [ -f ${host_makefile_frag} ] ; then
1250                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1251                       else
1252                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1253                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1254                               mv ${Makefile} ${subdir}/Makefile.tem
1255                       fi
1256             esac
1257             # working copy now in ${subdir)/Makefile.tem
1258
1259             # Conditionalize the makefile for this target.
1260             rm -f ${Makefile}
1261             case "${target_makefile_frag}" in
1262               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1263               *)
1264                       if [ ! -f ${target_makefile_frag} ] ; then
1265                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1266                       fi
1267                       if [ -f ${target_makefile_frag} ] ; then
1268                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1269                       else
1270                               mv ${subdir}/Makefile.tem ${Makefile}
1271                               target_makefile_frag=
1272                       fi
1273                       ;;
1274             esac
1275             # working copy now in ${Makefile}
1276
1277             # Emit the default values of this package's macros.
1278             rm -f ${subdir}/Makefile.tem
1279             case "${package_makefile_frag}" in
1280               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1281               *)
1282                       if [ ! -f ${package_makefile_frag} ] ; then
1283                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1284                       fi
1285                       if [ -f ${package_makefile_frag} ] ; then
1286                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1287                       else
1288                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1289                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1290                               mv ${Makefile} ${subdir}/Makefile.tem
1291                       fi
1292             esac
1293             # real copy now in ${subdir}/Makefile.tem
1294
1295             # prepend warning about editting, and a bunch of variables.
1296             rm -f ${Makefile}
1297             cat > ${Makefile} <<EOF
1298 # ${NO_EDIT}
1299 VPATH = ${makesrcdir}
1300 links = ${configlinks}
1301 host_alias = ${host_alias}
1302 host_cpu = ${host_cpu}
1303 host_vendor = ${host_vendor}
1304 host_os = ${host_os}
1305 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1306 target_alias = ${target_alias}
1307 target_cpu = ${target_cpu}
1308 target_vendor = ${target_vendor}
1309 target_os = ${target_os}
1310 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1311 EOF
1312             case "${build}" in
1313               "") ;;
1314               *)  cat >> ${Makefile} << EOF
1315 build_alias = ${build_alias}
1316 build_cpu = ${build_cpu}
1317 build_vendor = ${build_vendor}
1318 build_os = ${build_os}
1319 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1320 EOF
1321             esac
1322
1323             case "${package_makefile_frag}" in
1324               "") ;;
1325               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1326               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1327             esac
1328
1329             case "${target_makefile_frag}" in
1330               "") ;;
1331               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1332               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1333             esac
1334
1335             case "${host_makefile_frag}" in
1336               "") ;;
1337               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1338               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1339             esac
1340
1341             if [ "${site_makefile_frag}" != "" ] ; then
1342                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1343             fi 
1344
1345             echo enable_shared = ${enable_shared} >> ${Makefile}
1346             echo enable_threads = ${enable_threads} >> ${Makefile}
1347             # record if we want to rumtime library stuff installed in libsubdir.
1348             if test -z "${enable_version_specific_runtime_libs}"; then
1349                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1350             else
1351                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1352             fi
1353
1354             # Emit a macro which describes the file containing gcc's
1355             # version number.
1356             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1357             # And emit a macro defining gcc's version number.
1358             echo gcc_version = ${gcc_version} >> ${Makefile}
1359
1360             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1361             # remove any form feeds.
1362             if [ -z "${subdirs}" ]; then
1363                 rm -f ${subdir}/Makefile.tm2
1364                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1365                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1366                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1367                 rm -f ${subdir}/Makefile.tem
1368                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1369             fi
1370             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1371                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1372                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1373                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1374                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1375                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1376                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1377                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1378                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1379                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1380                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1381                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1382                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1383                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1384                     -e "/^CC[   ]*=/{
1385                         :loop1
1386                         /\\\\$/ N
1387                         s/\\\\\\n//g
1388                         t loop1
1389                         s%^CC[  ]*=.*$%CC = ${CC}%
1390                         }" \
1391                     -e "/^CXX[  ]*=/{
1392                         :loop2
1393                         /\\\\$/ N
1394                         s/\\\\\\n//g
1395                         t loop2
1396                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1397                         }" \
1398                     -e "/^CFLAGS[       ]*=/{
1399                         :loop3
1400                         /\\\\$/ N
1401                         s/\\\\\\n//g
1402                         t loop3
1403                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1404                         }" \
1405                     -e "/^CXXFLAGS[     ]*=/{
1406                         :loop4
1407                         /\\\\$/ N
1408                         s/\\\\\\n//g
1409                         t loop4
1410                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1411                         }" \
1412                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1413                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1414                     -e "s/\f//" \
1415                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1416                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1417                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1418                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1419                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1420                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1421                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1422                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1423                     ${subdir}/Makefile.tem >> ${Makefile}
1424   
1425             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1426             mv -f ${Makefile}.tem ${Makefile}
1427
1428             # If this is a Canadian Cross, preset the values of many more
1429             # tools.
1430             if [ "${build}" != "${host}" ]; then
1431                 for var in ${tools}; do
1432                     eval val=\$${var}
1433                     sed -e "/^${var}[   ]*=/{
1434                            :loop1
1435                            /\\\\$/ N
1436                            /\\\\$/ b loop1
1437                            s/\\\\\\n//g
1438                            s%^${var}[   ]*=.*$%${var} = ${val}%
1439                            }" ${Makefile} > ${Makefile}.tem
1440                     mv -f ${Makefile}.tem ${Makefile}
1441                 done
1442             fi
1443
1444             # final copy now in ${Makefile}
1445
1446         else
1447            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1448         fi
1449
1450         rm -f ${subdir}/Makefile.tem
1451
1452         case "${host_makefile_frag}" in
1453         "") using= ;;
1454         *) using="and \"${host_makefile_frag}\"" ;;
1455         esac
1456
1457         case "${target_makefile_frag}" in
1458         "") ;;
1459         *) using="${using} and \"${target_makefile_frag}\"" ;;
1460         esac
1461
1462         case "${site_makefile_frag}" in
1463         "") ;;
1464         *) using="${using} and \"${site_makefile_frag}\"" ;;
1465         esac
1466
1467         newusing=`echo "${using}" | sed 's/and/using/'`
1468         using=${newusing}
1469         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1470
1471         . ${tmpfile}.pos
1472
1473         # describe the chosen configuration in config.status.
1474         # Make that file a shellscript which will reestablish
1475         # the same configuration.  Used in Makefiles to rebuild
1476         # Makefiles.
1477
1478         case "${norecursion}" in
1479         "") arguments="${arguments} --norecursion" ;;
1480         *) ;;
1481         esac
1482
1483         if [ ${subdir} = . ] ; then
1484             echo "#!/bin/sh
1485 # ${NO_EDIT}
1486 # This directory was configured as follows:
1487 ${progname}" ${arguments}  "
1488 # ${using}" > ${subdir}/config.new
1489         else
1490             echo "#!/bin/sh
1491 # ${NO_EDIT}
1492 # This directory was configured as follows:
1493 cd ${invsubdir}
1494 ${progname}" ${arguments}  "
1495 # ${using}" > ${subdir}/config.new
1496         fi
1497         chmod a+x ${subdir}/config.new
1498         if [ -r ${subdir}/config.back ] ; then
1499                 mv -f ${subdir}/config.back ${subdir}/config.status
1500         fi
1501         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1502         ;;
1503
1504     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1505     esac
1506 done
1507
1508 # If there are subdirectories, then recur.
1509 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1510         for configdir in ${configdirs} ${extraconfigdirs} ; do
1511
1512                 # If configdir contains ',' it is
1513                 # srcdir,builddir,target_alias
1514                 # These come from extraconfigdirs.
1515                 case ${configdir} in
1516                 *,*)
1517                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1518                     ;;
1519                 *)
1520                     cfg_dir=${configdir}
1521                     bld_dir=${configdir}
1522                     tgt_alias=${target_alias}
1523                     ;;
1524                 esac
1525
1526                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1527                         eval echo Configuring ${configdir}... ${redirect}
1528                         case "${srcdir}" in
1529                         ".") ;;
1530                         *)
1531                                 if [ ! -d ./${bld_dir} ] ; then
1532                                         if mkdir ./${bld_dir} ; then
1533                                                 true
1534                                         else
1535                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1536                                                 exit 1
1537                                         fi
1538                                 fi
1539                                 ;;
1540                         esac
1541
1542                         POPDIR=${PWD=`pwd`}
1543                         cd ${bld_dir} 
1544
1545 ### figure out what to do with srcdir
1546                         case "${srcdir}" in
1547                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1548                         /*) # absolute path
1549                                 newsrcdir=${srcdir}/${cfg_dir}
1550                                 srcdiroption="--srcdir=${newsrcdir}"
1551                                 ;;
1552                         ?:*) # absolute path on win32
1553                                 newsrcdir=${srcdir}/${cfg_dir}
1554                                 srcdiroption="--srcdir=${newsrcdir}"
1555                                 ;;
1556                         *) # otherwise relative
1557                                 newsrcdir=../${srcdir}/${cfg_dir}
1558                                 srcdiroption="--srcdir=${newsrcdir}"
1559                                 ;;
1560                         esac
1561
1562                         # Handle --cache-file=../XXX
1563                         case "${cache_file}" in
1564                         "") # empty
1565                                 ;;
1566                         /*) # absolute path
1567                                 cache_file_option="--cache-file=${cache_file}"
1568                                 ;;
1569                         ?:*) # absolute path on win32
1570                                 cache_file_option="--cache-file=${cache_file}"
1571                                 ;;
1572                         *) # relative path
1573                                 cache_file_option="--cache-file=../${cache_file}"
1574                                 ;;
1575                         esac
1576
1577 ### check for guested configure, otherwise fix possibly relative progname
1578                         if [ -f ${newsrcdir}/configure ] ; then
1579                                 recprog=${newsrcdir}/configure
1580                         elif [ -f ${newsrcdir}/configure.in ] ; then
1581                                 case "${progname}" in
1582                                 /*)     recprog=${progname} ;;
1583                                 ?:*)    recprog=${progname} ;;
1584                                 *)      recprog=../${progname} ;;
1585                                 esac
1586                         else
1587                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1588                                 recprog=
1589                         fi
1590
1591 ### The recursion line is here.
1592                         if [ ! -z "${recprog}" ] ; then
1593                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1594                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1595                                         ${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
1596                                         true
1597                                 else
1598                                         echo Configure in `pwd` failed, exiting. 1>&2
1599                                         exit 1
1600                                 fi
1601                         fi
1602
1603                         cd ${POPDIR}
1604                 fi
1605         done
1606 fi
1607
1608 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1609 # and reset the trap handler.
1610 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1611 trap 0
1612
1613 exit 0
1614
1615 #
1616 # Local Variables:
1617 # fill-column: 131
1618 # End:
1619 #
1620
1621 # end of configure