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* sibcall.c (purge_mem_unchanging_flag): New function.
[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 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: 1.29 $"
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 # Remember the pristine configure arguments for later.  $arguments gets
404 # built up with further defaults in preparation for recursion.
405 original_arguments=$arguments
406
407 # process host and target
408
409 # Do some error checking and defaulting for the host and target type.
410 # The inputs are:
411 #    configure --host=HOST --target=TARGET UNDEFS
412 #
413 # The rules are:
414 # 1. You aren't allowed to specify --host, --target, and undefs at the
415 #    same time.
416 # 2. Host defaults to undefs.
417 # 3. If undefs is not specified, then host defaults to the current host,
418 #    as determined by config.guess.
419 # 4. Target defaults to undefs.
420 # 5. If undefs is not specified, then target defaults to host.
421
422 case "${fatal}" in
423 "")
424         # Make sure that host, target & undefs aren't all specified at the
425         # same time.
426         case $host_alias---$target_alias---$undefs in
427         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
428                 ;;
429         *) echo '***' Can only configure for one host and one target at a time.  1>&2
430            fatal=yes
431            break 2
432                 ;;
433         esac
434
435         # Now, do defaulting for host.
436         case $host_alias in
437         NOHOST)
438                 case $undefs in
439                 NOUNDEFS)
440                         # Neither --host option nor undefs were present.
441                         # Call config.guess.
442                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
443                         if host_alias=`${config_shell} ${guesssys}`
444                         then
445                                 # If the string we are going to use for
446                                 # the target is a prefix of the string
447                                 # we just guessed for the host, then
448                                 # assume we are running native, and force
449                                 # the same string for both target and host.
450                                 case $target_alias in
451                                 NOTARGET) ;;
452                                 *)
453                                         if expr $host_alias : $target_alias >/dev/null
454                                         then
455                                                 host_alias=$target_alias
456                                         fi
457                                         ;;
458                                 esac
459                                 echo "Configuring for a ${host_alias} host." 1>&2
460                                 arguments="--host=$host_alias $arguments"
461                         else
462                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
463                                 fatal=yes
464                         fi
465                         ;;
466                 *)
467                         host_alias=$undefs
468                         arguments="--host=$host_alias $arguments"
469                         undefs=NOUNDEFS
470                         ;;
471                 esac
472         esac
473
474         # Do defaulting for target.  If --target option isn't present, default
475         # to undefs.  If undefs isn't present, default to host.
476         case $target_alias in
477         NOTARGET)
478                 case $undefs in
479                 NOUNDEFS)
480                         target_alias=$host_alias
481                         ;;
482                 *)
483                         target_alias=$undefs
484                         arguments="--target=$target_alias $arguments"
485                         ;;
486                 esac
487         esac
488         ;;
489 *) ;;
490 esac
491
492 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
493         exec 1>&2
494         echo Usage: configure [OPTIONS] [HOST]
495         echo
496         echo Options: [defaults in brackets]
497         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
498         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
499         echo ' --help                    print this message [normal config]'
500         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
501         echo ' --host=HOST               configure for HOST [determined via config.guess]'
502         echo ' --norecursion             configure this directory only [recurse]'
503         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
504         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
505         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
506         echo ' --site=SITE               configure with site-specific makefile for SITE'
507         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
508         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
509         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
510         echo ' --nfp                     configure for software floating point [hard float]'
511         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
512         echo ' --without-FOO             package FOO is NOT available'
513         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
514         echo ' --disable-FOO             do not include feature FOO'
515         echo
516         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
517         echo
518         if [ -r config.status ] ; then
519                 cat config.status
520         fi
521
522         exit 1
523 fi
524
525 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
526 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
527 ## the sed command below emulates the dirname command
528 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
529
530
531 # this is a hack.  sun4 must always be a valid host alias or this will fail.
532 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
533         true
534 else
535         echo '***' cannot find config.sub.  1>&2
536         exit 1
537 fi
538
539 touch config.junk
540 if ${config_shell} ${moveifchange} config.junk config.trash ; then
541         true
542 else
543         echo '***' cannot find move-if-change.  1>&2
544         exit 1
545 fi
546 rm -f config.junk config.trash
547
548 case "${srcdir}" in
549 "")
550         if [ -r configure.in ] ; then
551                 srcdir=.
552         else
553                 if [ -r ${progname}.in ] ; then
554                         srcdir=`echo ${progname} | sed 's:/configure$::'`
555                 else
556                         echo '***' "Can't find configure.in.  Try using --srcdir=some_dir"  1>&2
557                         exit 1
558                 fi
559         fi
560         ;;
561 *)
562         # Set srcdir to "." if that's what it is.
563         # This is important for multilib support.
564         if [ ! -d ${srcdir} ] ; then
565                 echo "Invalid source directory ${srcdir}" >&2
566                 exit 1
567         fi
568         pwd=`pwd`
569         srcpwd=`cd ${srcdir} ; pwd`
570         if [ "${pwd}" = "${srcpwd}" ] ; then
571                 srcdir=.
572         fi
573 esac
574
575 ### warn about some conflicting configurations.
576
577 case "${srcdir}" in
578 ".") ;;
579 *)
580         if [ -f ${srcdir}/config.status ] ; then
581                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
582                 exit 1
583         fi
584 esac
585
586 # default exec_prefix
587 case "${exec_prefixoption}" in
588 "") exec_prefix="\$(prefix)" ;;
589 *) ;;
590 esac
591
592 # Define the trigger file to make sure configure will re-run whenever
593 # the gcc version number changes.
594 if [ "${with_gcc_version_trigger+set}" = set ]; then
595     gcc_version_trigger="$with_gcc_version_trigger"
596     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
597 else
598     # If gcc's sources are available, define the trigger file.
599     if [ -f ${topsrcdir}/gcc/version.c ] ; then
600         gcc_version_trigger=${topsrcdir}/gcc/version.c
601         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
602         case "$arguments" in
603           *--with-gcc-version-trigger=$gcc_version_trigger* )
604             ;;
605           * )
606             # Make sure configure.in knows about this.
607             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
608             ;;
609         esac
610         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
611     fi
612 fi
613
614 ### break up ${srcdir}/configure.in.
615 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
616 "")
617         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
618         # Check for a directory that's been converted to use autoconf since
619         # it was last configured.
620         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
621           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
622           if [ -r ${srcdir}/configure ] ; then
623             echo '***' Running the local configure script. 1>&2
624             case "${cache_file}" in
625             "") cache_file_option= ;;
626             *)  cache_file_option="--cache-file=${cache_file}" ;;
627             esac
628             srcdiroption="--srcdir=${srcdir}"
629             case "${build_alias}" in
630             "") buildopt= ;;
631             *)  buildopt="--build=${build_alias}" ;;
632             esac
633             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
634                 ${buildopt} --host=${host_alias} --target=${target_alias} \
635                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
636                 ${srcdiroption} ${diroptions} \
637                 ${program_prefixoption} ${program_suffixoption} \
638                 ${program_transform_nameoption} ${site_option} \
639                 ${withoptions} ${withoutoptions} \
640                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
641                 ${cache_file_option} ${removing} ${other_options} ${redirect}
642           else
643             echo '***' There is no configure script present though. 1>&2
644           fi
645         fi
646         exit 1
647         ;;
648 *) ;;
649 esac
650
651 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
652 "")
653         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
654         exit 1
655         ;;
656 *) ;;
657 esac
658
659 case "${TMPDIR}" in
660 "") TMPDIR=/tmp ; export TMPDIR ;;
661 *) ;;
662 esac
663
664 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
665 tmpfile=${TMPDIR}/cNf$$
666 # Note that under many versions of sh a trap handler for 0 will *override* any
667 # exit status you explicitly specify!  At this point, the only non-error exit
668 # is at the end of the script; these actions are duplicated there, minus
669 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
670 # trap handler, or you'll lose.
671 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
672
673 # split ${srcdir}/configure.in into common, per-host, per-target,
674 # and post-target parts.  Post-target is optional.
675 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
676 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
677 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
678   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
679   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
680 else
681   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
682   echo >${tmpfile}.pos
683 fi
684
685 ### do common part of configure.in
686
687 # If the language specific compiler does not exist, but the "gcc" directory does,
688 # we will skip this directory; in this case the sub-directory's common part
689 # of configure.in will create a small shell script "skip-this-dir" containing
690 # commands to completely clean up any temporary or created files.
691
692 . ${tmpfile}.com
693
694 if test -f skip-this-dir; then
695         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
696         # and reset the trap handler.
697         trap 0
698         rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
699         # Execute the final clean-up actions
700         ${config_shell} skip-this-dir
701         # and stop configuring this directory.
702         exit 0
703 fi
704
705 # some sanity checks on configure.in
706 case "${srctrigger}" in
707 "")
708         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
709         exit 1
710         ;;
711 *) ;;
712 esac
713
714 case "${build_alias}" in
715 "")
716         if result=`${config_shell} ${configsub} ${host_alias}` ; then
717             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
718             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
719             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
720             build=${build_cpu}-${build_vendor}-${build_os}
721             build_alias=${host_alias}
722         fi
723         ;;
724 *)
725         if result=`${config_shell} ${configsub} ${build_alias}` ; then
726             buildopt="--build=${build_alias}"
727             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
728             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
729             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
730             build=${build_cpu}-${build_vendor}-${build_os}
731         else
732             echo "Unrecognized build system name ${build_alias}." 1>&2
733             exit 1
734         fi
735         ;;
736 esac
737
738 if result=`${config_shell} ${configsub} ${host_alias}` ; then
739     true
740 else
741     echo "Unrecognized host system name ${host_alias}." 1>&2
742     exit 1
743 fi
744 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
745 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
746 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
747 host=${host_cpu}-${host_vendor}-${host_os}
748
749 . ${tmpfile}.hst
750
751 if result=`${config_shell} ${configsub} ${target_alias}` ; then
752     true
753 else
754     echo "Unrecognized target system name ${target_alias}." 1>&2
755     exit 1
756 fi
757 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
758 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
759 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
760 target=${target_cpu}-${target_vendor}-${target_os}
761
762 . ${tmpfile}.tgt
763
764 # Find the source files, if location was not specified.
765 case "${srcdir}" in
766 "")
767         srcdirdefaulted=1
768         srcdir=.
769         if [ ! -r ${srctrigger} ] ; then
770                 srcdir=..
771         fi
772         ;;
773 *) ;;
774 esac
775
776 if [ ! -r ${srcdir}/${srctrigger} ] ; then
777         case "${srcdirdefaulted}" in
778         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
779         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
780         esac
781
782         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
783         exit 1
784 fi
785
786 # Some systems (e.g., one of the i386-aix systems the gas testers are
787 # using) don't handle "\$" correctly, so don't use it here.
788 tooldir='$(exec_prefix)'/${target_alias}
789
790 if [ "${host_alias}" != "${target_alias}" ] ; then
791     if [ "${program_prefixoption}" = "" ] ; then
792         if [ "${program_suffixoption}" = "" ] ; then 
793             if [ "${program_transform_nameoption}" = "" ] ; then
794                 program_prefix=${target_alias}- ;
795             fi
796         fi
797     fi
798 fi
799
800 # Merge program_prefix and program_suffix onto program_transform_name.
801 # (program_suffix used to use $, but it's hard to preserve $ through both
802 # make and sh.)
803 if [ "${program_suffix}" != "" ] ; then
804     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
805 fi
806
807 if [ "${program_prefix}" != "" ] ; then
808     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
809 fi
810
811 # If CC and CXX are not set in the environment, and the Makefile
812 # exists, try to extract them from it.  This is to handle running
813 # ./config.status by hand.
814 if [ -z "${CC}" ] && [ -r Makefile ]; then
815   sed -n -e ':loop
816 /\\$/ N
817 s/\\\n//g
818 t loop
819 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
820   CC=`tail -1 Makefile.cc`
821   rm -f Makefile.cc
822 fi
823
824 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
825   sed -n -e ':loop
826 /\\$/ N
827 s/\\\n//g
828 t loop
829 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
830   CFLAGS=`tail -1 Makefile.cc`
831   rm -f Makefile.cc
832 fi
833
834 if [ -z "${CXX}" ] && [ -r Makefile ]; then
835   sed -n -e ':loop
836 /\\$/ N
837 s/\\\n//g
838 t loop
839 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
840   CXX=`tail -1 Makefile.cc`
841   rm -f Makefile.cc
842 fi
843
844 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
845   sed -n -e ':loop
846 /\\$/ N
847 s/\\\n//g
848 t loop
849 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
850   CXXFLAGS=`tail -1 Makefile.cc`
851   rm -f Makefile.cc
852 fi
853
854 # Generate a default definition for YACC.  This is used if the makefile can't
855 # locate bison or byacc in objdir.
856
857 for prog in 'bison -y' byacc yacc
858 do
859   set dummy $prog; tmp=$2
860   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
861   for dir in $PATH; do
862     test -z "$dir" && dir=.
863     if test -f $dir/$tmp; then
864       DEFAULT_YACC="$prog"
865       break
866     fi
867   done
868   IFS="$save_ifs"
869
870   test -n "$DEFAULT_YACC" && break
871 done
872
873 # Generate a default definition for M4.  This is used if the makefile can't
874 # locate m4 in objdir.
875
876 for prog in gm4 gnum4 m4
877 do
878   set dummy $prog; tmp=$2
879   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
880   for dir in $PATH; do
881     test -z "$dir" && dir=.
882     if test -f $dir/$tmp; then
883       DEFAULT_M4="$prog"
884       break
885     fi
886   done
887   IFS="$save_ifs"
888
889   test -n "$DEFAULT_M4" && break
890 done
891
892 # Generate a default definition for LEX.  This is used if the makefile can't
893 # locate flex in objdir.
894
895 for prog in flex lex
896 do
897   set dummy $prog; tmp=$2
898   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
899   for dir in $PATH; do
900     test -z "$dir" && dir=.
901     if test -f $dir/$tmp; then
902       DEFAULT_LEX="$prog"
903       break
904     fi
905   done
906   IFS="$save_ifs"
907
908   test -n "$DEFAULT_LEX" && break
909 done
910
911 if [ "${build}" != "${host}" ]; then
912   # If we are doing a Canadian Cross, in which the host and build systems
913   # are not the same, we set reasonable default values for the tools.
914
915   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
916   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
917   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
918   tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
919   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
920   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
921   tools="${tools} OBJCOPY OBJDUMP"
922
923   for var in ${tools}; do
924     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
925       sed -n -e ':loop
926 /\\$/ N
927 s/\\\n//g
928 t loop
929 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
930         < Makefile > Makefile.v
931       t=`tail -1 Makefile.v`
932       if [ -n "${t}" ]; then
933         eval "${var}=\${t}"
934       fi
935       rm -f Makefile.v
936     fi
937   done
938
939   AR=${AR-${host_alias}-ar}
940   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
941   AS=${AS-${host_alias}-as}
942   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
943   BISON=${BISON-bison}
944   CC=${CC-${host_alias}-gcc}
945   CFLAGS=${CFLAGS-"-g -O2"}
946   CXX=${CXX-${host_alias}-c++}
947   CXXFLAGS=${CXXFLAGS-"-g -O2"}
948   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
949   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
950   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
951   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
952   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
953   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
954   HOST_PREFIX=${build_alias}-
955   HOST_PREFIX_1=${build_alias}-
956   LD=${LD-${host_alias}-ld}
957   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
958   MAKEINFO=${MAKEINFO-makeinfo}
959   NM=${NM-${host_alias}-nm}
960   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
961   RANLIB=${RANLIB-${host_alias}-ranlib}
962   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
963   WINDRES=${WINDRES-${host_alias}-windres}
964   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
965   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
966   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
967
968   if [ -z "${YACC}" ]; then
969     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
970     for dir in $PATH; do
971       test -z "$dir" && dir=.
972       if test -f $dir/bison; then
973         YACC="bison -y"
974         break
975       fi
976       if test -f $dir/byacc; then
977         YACC=byacc
978         break
979       fi
980       if test -f $dir/yacc; then
981         YACC=yacc
982         break
983       fi
984     done
985     IFS="$save_ifs"
986     if [ -z "${YACC}" ]; then
987       YACC="bison -y"
988     fi
989   fi
990
991   if [ -z "${LEX}" ]; then
992     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
993     for dir in $PATH; do
994       test -z "$dir" && dir=.
995       if test -f $dir/flex; then
996         LEX=flex
997         break
998       fi
999       if test -f $dir/lex; then
1000         LEX=lex
1001         break
1002       fi
1003     done
1004     IFS="$save_ifs"
1005     LEX=${LEX-flex}
1006   fi
1007
1008   # Export variables which autoconf might try to set.
1009   export AS
1010   export AR
1011   export CC_FOR_BUILD
1012   export DLLTOOL
1013   export LD
1014   export NM
1015   export RANLIB
1016   export WINDRES
1017   export OBJCOPY
1018   export OBJDUMP
1019 else
1020   # If CC is still not set, try to get gcc.
1021   if [ -z "${CC}" ]; then
1022     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1023     for dir in $PATH; do
1024       test -z "$dir" && dir=.
1025       if test -f $dir/gcc; then
1026         CC="gcc"
1027         echo 'void f(){}' > conftest.c
1028         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1029           CFLAGS=${CFLAGS-"-g -O2"}
1030           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1031         else
1032           CFLAGS=${CFLAGS-"-O2"}
1033           CXXFLAGS=${CXXFLAGS-"-O2"}
1034         fi
1035         rm -f conftest*
1036         break
1037       fi
1038     done
1039     IFS="$save_ifs"
1040     CC=${CC-cc}
1041   else
1042     if test -z "${CFLAGS}"; then
1043       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1044       # is set to a version of gcc.
1045       case "${CC}" in
1046       *gcc)
1047         echo 'void f(){}' > conftest.c
1048         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1049           CFLAGS=${CFLAGS-"-g -O2"}
1050           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1051         else
1052           CFLAGS=${CFLAGS-"-O2"}
1053           CXXFLAGS=${CXXFLAGS-"-O2"}
1054         fi
1055         rm -f conftest*
1056         ;;
1057       esac
1058     fi
1059   fi
1060
1061   CXX=${CXX-"c++"}
1062   CFLAGS=${CFLAGS-"-g"}
1063   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1064 fi
1065
1066 export CC
1067 export CXX
1068 export CFLAGS
1069 export CXXFLAGS
1070
1071 # FIXME: This should be in configure.in, not configure
1072 case "$host" in
1073         *go32*)
1074             enable_gdbtk=no ;;
1075         *msdosdjgpp*)
1076             enable_gdbtk=no ;;
1077 esac
1078
1079 # FIXME: This should be in configure.in, not configure
1080 # Determine whether gdb needs tk/tcl or not.
1081 if [ "$enable_gdbtk" != "no" ]; then
1082         GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1083 else
1084         GDB_TK=""
1085 fi
1086
1087 for subdir in . ${subdirs} ; do
1088
1089     # ${subdir} is relative path from . to the directory we're currently
1090     # configuring.
1091     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1092     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1093
1094     ### figure out what to do with srcdir
1095     case "${srcdir}" in
1096         ".")  # no -srcdir option.  We're building in place.
1097                 makesrcdir=. ;;
1098         /*) # absolute path
1099                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1100                 ;;
1101         *) # otherwise relative
1102                 case "${subdir}" in
1103                 .) makesrcdir=${srcdir} ;;
1104                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1105                 esac
1106                 ;;
1107     esac
1108
1109     if [ "${subdir}/" != "./" ] ; then
1110         Makefile=${subdir}/Makefile
1111     fi
1112
1113     if [ ! -d ${subdir} ] ; then
1114         if mkdir ${subdir} ; then
1115                 true
1116         else
1117                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1118                 exit 1
1119         fi
1120     fi
1121
1122     case "${removing}" in
1123     "")
1124         case "${subdir}" in
1125         .) ;;
1126         *) eval echo Building in ${subdir} ${redirect} ;;
1127         esac
1128
1129         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1130         # Set up the list of links to be made.
1131         # ${links} is the list of link names, and ${files} is the list of names to link to.
1132
1133         # Make the links.
1134         configlinks="${links}"
1135         if [ -r ${subdir}/config.status ] ; then
1136                 mv -f ${subdir}/config.status ${subdir}/config.back
1137         fi
1138         while [ -n "${files}" ] ; do
1139                 # set file to car of files, files to cdr of files
1140                 set ${files}; file=$1; shift; files=$*
1141                 set ${links}; link=$1; shift; links=$*
1142
1143                 if [ ! -r ${srcdir}/${file} ] ; then
1144                   if [ ! -r ${file} ] ; then
1145                     
1146                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1147                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1148                         exit 1
1149                   else
1150                         srcfile=${file}
1151                   fi
1152                 else
1153                         srcfile=${srcdir}/${file}
1154                 fi
1155
1156                 ${remove} -f ${link}
1157                 # Make a symlink if possible, otherwise try a hard link
1158                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1159                         true
1160                 else
1161                         # We need to re-remove the file because Lynx leaves a 
1162                         # very strange directory there when it fails an NFS symlink.
1163                         ${remove} -r -f ${link}
1164                         ${hard_link} ${srcfile} ${link}
1165                 fi
1166                 if [ ! -r ${link} ] ; then
1167                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1168                         exit 1
1169                 fi
1170
1171                 echo "Linked \"${link}\" to \"${srcfile}\"."
1172         done
1173
1174         # Create a .gdbinit file which runs the one in srcdir
1175         # and tells GDB to look there for source files.
1176
1177         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1178                 case ${srcdir} in
1179                 .) ;;
1180                 *) cat > ${subdir}/.gdbinit <<EOF
1181 # ${NO_EDIT}
1182 dir ${makesrcdir}
1183 dir .
1184 source ${makesrcdir}/.gdbinit
1185 EOF
1186                         ;;
1187                 esac
1188         fi
1189
1190         # Install a makefile, and make it set VPATH
1191         # if necessary so that the sources are found.
1192         # Also change its value of srcdir.
1193         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1194         # been somewhat optimized and is perhaps a bit twisty.
1195
1196         # code is order so as to try to sed the smallest input files we know.
1197         # so do these separately because I don't trust the order of sed -e expressions.
1198
1199         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1200         # package macros, target, host, site, and package rules.
1201
1202         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1203
1204             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1205             rm -f ${subdir}/${Makefile}.tem
1206             case "${package_makefile_rules_frag}" in
1207               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1208               *)
1209                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1210                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1211                       fi
1212                       if [ -f ${package_makefile_rules_frag} ] ; then
1213                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1214                       else
1215                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1216                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1217                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1218                       fi
1219             esac
1220             # working copy now in ${Makefile}.tem
1221
1222             # Conditionalize for this site.
1223             rm -f ${Makefile}
1224               case "${site}" in
1225               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1226               *)
1227                       site_makefile_frag=${srcdir}/config/ms-${site}
1228
1229                       if [ -f ${site_makefile_frag} ] ; then
1230                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1231                                       > ${Makefile}
1232                       else
1233                               mv ${subdir}/Makefile.tem ${Makefile}
1234                               site_makefile_frag=
1235                       fi
1236                       ;;
1237             esac
1238             # working copy now in ${Makefile}
1239
1240             # Conditionalize the makefile for this host.
1241             rm -f ${subdir}/Makefile.tem
1242             case "${host_makefile_frag}" in
1243               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1244               *)
1245                       if [ ! -f ${host_makefile_frag} ] ; then
1246                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1247                       fi
1248                       if [ -f ${host_makefile_frag} ] ; then
1249                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1250                       else
1251                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1252                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1253                               mv ${Makefile} ${subdir}/Makefile.tem
1254                       fi
1255             esac
1256             # working copy now in ${subdir)/Makefile.tem
1257
1258             # Conditionalize the makefile for this target.
1259             rm -f ${Makefile}
1260             case "${target_makefile_frag}" in
1261               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1262               *)
1263                       if [ ! -f ${target_makefile_frag} ] ; then
1264                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1265                       fi
1266                       if [ -f ${target_makefile_frag} ] ; then
1267                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1268                       else
1269                               mv ${subdir}/Makefile.tem ${Makefile}
1270                               target_makefile_frag=
1271                       fi
1272                       ;;
1273             esac
1274             # working copy now in ${Makefile}
1275
1276             # Emit the default values of this package's macros.
1277             rm -f ${subdir}/Makefile.tem
1278             case "${package_makefile_frag}" in
1279               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1280               *)
1281                       if [ ! -f ${package_makefile_frag} ] ; then
1282                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1283                       fi
1284                       if [ -f ${package_makefile_frag} ] ; then
1285                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1286                       else
1287                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1288                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
1289                               mv ${Makefile} ${subdir}/Makefile.tem
1290                       fi
1291             esac
1292             # real copy now in ${subdir}/Makefile.tem
1293
1294             # prepend warning about editting, and a bunch of variables.
1295             rm -f ${Makefile}
1296             cat > ${Makefile} <<EOF
1297 # ${NO_EDIT}
1298 VPATH = ${makesrcdir}
1299 links = ${configlinks}
1300 host_alias = ${host_alias}
1301 host_cpu = ${host_cpu}
1302 host_vendor = ${host_vendor}
1303 host_os = ${host_os}
1304 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1305 target_alias = ${target_alias}
1306 target_cpu = ${target_cpu}
1307 target_vendor = ${target_vendor}
1308 target_os = ${target_os}
1309 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1310 EOF
1311             case "${build}" in
1312               "") ;;
1313               *)  cat >> ${Makefile} << EOF
1314 build_alias = ${build_alias}
1315 build_cpu = ${build_cpu}
1316 build_vendor = ${build_vendor}
1317 build_os = ${build_os}
1318 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1319 EOF
1320             esac
1321
1322             case "${package_makefile_frag}" in
1323               "") ;;
1324               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1325               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1326             esac
1327
1328             case "${target_makefile_frag}" in
1329               "") ;;
1330               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1331               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1332             esac
1333
1334             case "${host_makefile_frag}" in
1335               "") ;;
1336               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1337               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1338             esac
1339
1340             if [ "${site_makefile_frag}" != "" ] ; then
1341                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1342             fi 
1343
1344             echo enable_shared = ${enable_shared} >> ${Makefile}
1345             echo enable_threads = ${enable_threads} >> ${Makefile}
1346             # record if we want to rumtime library stuff installed in libsubdir.
1347             if test -z "${enable_version_specific_runtime_libs}"; then
1348                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1349             else
1350                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1351             fi
1352
1353             # Emit a macro which describes the file containing gcc's
1354             # version number.
1355             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1356             # And emit a macro defining gcc's version number.
1357             echo gcc_version = ${gcc_version} >> ${Makefile}
1358
1359             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1360             # remove any form feeds.
1361             if [ -z "${subdirs}" ]; then
1362                 rm -f ${subdir}/Makefile.tm2
1363                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
1364                     -e "s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1365                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1366                 rm -f ${subdir}/Makefile.tem
1367                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1368             fi
1369             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1370                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1371                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1372                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1373                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1374                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1375                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1376                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1377                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1378                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1379                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1380                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1381                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1382                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1383                     -e "/^CC[   ]*=/{
1384                         :loop1
1385                         /\\\\$/ N
1386                         s/\\\\\\n//g
1387                         t loop1
1388                         s%^CC[  ]*=.*$%CC = ${CC}%
1389                         }" \
1390                     -e "/^CXX[  ]*=/{
1391                         :loop2
1392                         /\\\\$/ N
1393                         s/\\\\\\n//g
1394                         t loop2
1395                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1396                         }" \
1397                     -e "/^CFLAGS[       ]*=/{
1398                         :loop3
1399                         /\\\\$/ N
1400                         s/\\\\\\n//g
1401                         t loop3
1402                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1403                         }" \
1404                     -e "/^CXXFLAGS[     ]*=/{
1405                         :loop4
1406                         /\\\\$/ N
1407                         s/\\\\\\n//g
1408                         t loop4
1409                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1410                         }" \
1411                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1412                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1413                     -e "s/\f//" \
1414                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1415                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1416                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1417                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1418                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1419                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1420                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1421                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1422                     ${subdir}/Makefile.tem >> ${Makefile}
1423   
1424             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1425             mv -f ${Makefile}.tem ${Makefile}
1426
1427             # If this is a Canadian Cross, preset the values of many more
1428             # tools.
1429             if [ "${build}" != "${host}" ]; then
1430                 for var in ${tools}; do
1431                     eval val=\$${var}
1432                     sed -e "/^${var}[   ]*=/{
1433                            :loop1
1434                            /\\\\$/ N
1435                            /\\\\$/ b loop1
1436                            s/\\\\\\n//g
1437                            s%^${var}[   ]*=.*$%${var} = ${val}%
1438                            }" ${Makefile} > ${Makefile}.tem
1439                     mv -f ${Makefile}.tem ${Makefile}
1440                 done
1441             fi
1442
1443             # final copy now in ${Makefile}
1444
1445         else
1446            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1447         fi
1448
1449         rm -f ${subdir}/Makefile.tem
1450
1451         case "${host_makefile_frag}" in
1452         "") using= ;;
1453         *) using="and \"${host_makefile_frag}\"" ;;
1454         esac
1455
1456         case "${target_makefile_frag}" in
1457         "") ;;
1458         *) using="${using} and \"${target_makefile_frag}\"" ;;
1459         esac
1460
1461         case "${site_makefile_frag}" in
1462         "") ;;
1463         *) using="${using} and \"${site_makefile_frag}\"" ;;
1464         esac
1465
1466         newusing=`echo "${using}" | sed 's/and/using/'`
1467         using=${newusing}
1468         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1469
1470         . ${tmpfile}.pos
1471
1472         # describe the chosen configuration in config.status.
1473         # Make that file a shellscript which will reestablish
1474         # the same configuration.  Used in Makefiles to rebuild
1475         # Makefiles.
1476
1477         case "${norecursion}" in
1478         "") arguments="${arguments} --norecursion" ;;
1479         *) ;;
1480         esac
1481
1482         if [ ${subdir} = . ] ; then
1483             echo "#!/bin/sh
1484 # ${NO_EDIT}
1485 # This directory was configured as follows:
1486 ${progname}" ${arguments}  "
1487 # ${using}" > ${subdir}/config.new
1488         else
1489             echo "#!/bin/sh
1490 # ${NO_EDIT}
1491 # This directory was configured as follows:
1492 cd ${invsubdir}
1493 ${progname}" ${arguments}  "
1494 # ${using}" > ${subdir}/config.new
1495         fi
1496         chmod a+x ${subdir}/config.new
1497         if [ -r ${subdir}/config.back ] ; then
1498                 mv -f ${subdir}/config.back ${subdir}/config.status
1499         fi
1500         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1501         ;;
1502
1503     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1504     esac
1505 done
1506
1507 # If there are subdirectories, then recur.
1508 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1509         for configdir in ${configdirs} ${extraconfigdirs} ; do
1510
1511                 # If configdir contains ',' it is
1512                 # srcdir,builddir,target_alias
1513                 # These come from extraconfigdirs.
1514                 case ${configdir} in
1515                 *,*)
1516                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1517                     ;;
1518                 *)
1519                     cfg_dir=${configdir}
1520                     bld_dir=${configdir}
1521                     tgt_alias=${target_alias}
1522                     ;;
1523                 esac
1524
1525                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1526                         eval echo Configuring ${configdir}... ${redirect}
1527                         case "${srcdir}" in
1528                         ".") ;;
1529                         *)
1530                                 if [ ! -d ./${bld_dir} ] ; then
1531                                         if mkdir ./${bld_dir} ; then
1532                                                 true
1533                                         else
1534                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1535                                                 exit 1
1536                                         fi
1537                                 fi
1538                                 ;;
1539                         esac
1540
1541                         POPDIR=${PWD=`pwd`}
1542                         cd ${bld_dir} 
1543
1544 ### figure out what to do with srcdir
1545                         case "${srcdir}" in
1546                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1547                         /*) # absolute path
1548                                 newsrcdir=${srcdir}/${cfg_dir}
1549                                 srcdiroption="--srcdir=${newsrcdir}"
1550                                 ;;
1551                         ?:*) # absolute path on win32
1552                                 newsrcdir=${srcdir}/${cfg_dir}
1553                                 srcdiroption="--srcdir=${newsrcdir}"
1554                                 ;;
1555                         *) # otherwise relative
1556                                 newsrcdir=../${srcdir}/${cfg_dir}
1557                                 srcdiroption="--srcdir=${newsrcdir}"
1558                                 ;;
1559                         esac
1560
1561                         # Handle --cache-file=../XXX
1562                         case "${cache_file}" in
1563                         "") # empty
1564                                 ;;
1565                         /*) # absolute path
1566                                 cache_file_option="--cache-file=${cache_file}"
1567                                 ;;
1568                         ?:*) # absolute path on win32
1569                                 cache_file_option="--cache-file=${cache_file}"
1570                                 ;;
1571                         *) # relative path
1572                                 cache_file_option="--cache-file=../${cache_file}"
1573                                 ;;
1574                         esac
1575
1576 ### check for guested configure, otherwise fix possibly relative progname
1577                         if [ -f ${newsrcdir}/configure ] ; then
1578                                 recprog=${newsrcdir}/configure
1579                         elif [ -f ${newsrcdir}/configure.in ] ; then
1580                                 case "${progname}" in
1581                                 /*)     recprog=${progname} ;;
1582                                 ?:*)    recprog=${progname} ;;
1583                                 *)      recprog=../${progname} ;;
1584                                 esac
1585                         else
1586                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1587                                 recprog=
1588                         fi
1589
1590 ### The recursion line is here.
1591                         if [ ! -z "${recprog}" ] ; then
1592                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1593                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1594                                         ${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
1595                                         true
1596                                 else
1597                                         echo Configure in `pwd` failed, exiting. 1>&2
1598                                         exit 1
1599                                 fi
1600                         fi
1601
1602                         cd ${POPDIR}
1603                 fi
1604         done
1605 fi
1606
1607 # Remember configure arguments for later.
1608 if [ -d gcc ]; then
1609         cat > gcc/configargs.h <<EOF
1610 /* Generated automatically. */
1611 static const char configuration_arguments[] = "$original_arguments";
1612 EOF
1613 fi
1614
1615 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1616 # and reset the trap handler.
1617 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1618 trap 0
1619
1620 exit 0
1621
1622 #
1623 # Local Variables:
1624 # fill-column: 131
1625 # End:
1626 #
1627
1628 # end of configure