OSDN Git Service

2002-06-18 Phil Edwards <pme@gcc.gnu.org>
[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, 2000, 2001,
7 # 2002 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: 1.44 $"
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=`${PWDCMD-pwd}`; fi
156
157 case "${progname}" in
158 /* | [A-Za-z]:[\\/]* ) ;;
159 */*) ;;
160 *)
161         PATH=$PATH:${PWD=`${PWDCMD-pwd}`} ; export PATH
162         ;;
163 esac
164
165 # Export original configure arguments for use by sub-configures.
166 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
167 export TOPLEVEL_CONFIGURE_ARGUMENTS
168
169 # Loop over all args
170
171 while :
172 do
173
174 # Break out if there are no more args
175         case $# in
176         0)
177                 break
178                 ;;
179         esac
180
181 # Get the first arg, and shuffle
182         option=$1
183         shift
184
185 # Make all options have two hyphens
186         orig_option=$option     # Save original for error messages
187         case $option in
188         --*) ;;
189         -*) option=-$option ;;
190         esac
191                 
192 # Split out the argument for options that take them
193         case $option in
194         --*=*)
195                 optarg=`echo $option | sed -e 's/^[^=]*=//'`
196                 arguments="$arguments $option"
197                 ;;
198 # These options have mandatory values.  Since we didn't find an = sign,
199 # the value must be in the next argument
200         --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
201                 optarg=$1
202                 shift
203                 arguments="$arguments $option=$optarg"
204                 ;;
205         --v)
206                 arguments="$arguments -v"
207                 ;;
208         --*)
209                 arguments="$arguments $option"
210                 ;;
211         esac
212
213 # Now, process the options
214         case $option in
215
216         --bi*)
217                 bindir=$optarg
218                 diroptions="$diroptions --bindir=$optarg"
219                 ;;
220         --build* | --bu*)
221                 case "$build_alias" in
222                 "") build_alias=$optarg ;;
223                 *) echo '***' Can only configure for one build machine at a time.  1>&2
224                    fatal=yes
225                    ;;
226                 esac
227                 ;;
228         --cache*)
229                 cache_file=$optarg
230                 ;;
231         --da*)
232                 datadir=$optarg
233                 diroptions="$diroptions --datadir=$optarg"
234                 ;;
235         --disable-*)
236                 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
237                 eval $enableopt=no
238                 disableoptions="$disableoptions $option"
239                 ;;
240         --enable-*)
241                 case "$option" in
242                 *=*)    ;;
243                 *)      optarg=yes ;;
244                 esac
245
246                 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
247                 eval "$enableopt=\$optarg"
248                 enableoptions="$enableoptions '$option'"
249                 ;;
250         --exec-prefix* | --ex*)
251                 exec_prefix=$optarg
252                 exec_prefixoption="--exec-prefix=$optarg"
253                 ;;
254         --gas | --g*)
255                 gas=yes
256                 ;;
257         --help | --he*)
258                 fatal=yes
259                 ;;
260         --host* | --ho*)
261                 case $host_alias in
262                 NOHOST) host_alias=$optarg ;;
263                 *) echo '***' Can only configure for one host at a time.  1>&2
264                    fatal=yes
265                    ;;
266                 esac
267                 ;;
268         --inc*)
269                 includedir=$optarg
270                 diroptions="$diroptions --includedir=$optarg"
271                 ;;
272         --inf*)
273                 infodir=$optarg
274                 diroptions="$diroptions --infodir=$optarg"
275                 ;;
276         --libd*)
277                 libdir=$optarg
278                 diroptions="$diroptions --libdir=$optarg"
279                 ;;
280         --libe*)
281                 libexecdir=$optarg
282                 diroptions="$diroptions --libexecdir=$optarg"
283                 ;;
284         --lo*)
285                 localstatedir=$optarg
286                 diroptions="$diroptions --localstatedir=$optarg"
287                 ;;
288         --ma*)
289                 mandir=$optarg
290                 diroptions="$diroptions --mandir=$optarg"
291                 ;;
292         --nfp | --nf*)
293                 floating_point=no
294                 floating_pointoption="--nfp"
295                 ;;
296         --norecursion | --no*)
297                 norecursion=yes
298                 ;;
299         --ol*)
300                 oldincludedir=$optarg
301                 diroptions="$diroptions --oldincludedir=$optarg"
302                 ;;
303         --prefix* | --pre*)
304                 prefix=$optarg
305                 prefixoption="--prefix=$optarg"
306                 ;;
307         --program-prefix* | --program-p*)
308                 program_prefix=$optarg
309                 program_prefixoption="--program-prefix=$optarg"
310                 ;;
311         --program-suffix* | --program-s*)
312                 program_suffix=$optarg
313                 program_suffixoption="--program-suffix=$optarg"
314                 ;;
315         --program-transform-name* | --program-t*)
316                 # Double any backslashes or dollar signs in the argument
317                 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
318                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
319                 ;;
320         --rm)
321                 removing=--rm
322                 ;;
323         --sb*)
324                 sbindir=$optarg
325                 diroptions="$diroptions --sbindir=$optarg"
326                 ;;
327         --sh*)
328                 sharedstatedir=$optarg
329                 diroptions="$diroptions --sharedstatedir=$optarg"
330                 ;;
331         --silent | --sil* | --quiet | --q*)
332                 redirect=">/dev/null"
333                 verbose=--silent
334                 ;;
335         --site* | --sit*)
336                 site=$optarg
337                 site_option="--site=$optarg"
338                 ;;
339         --srcdir*/ | --sr*/)
340                 # Remove trailing slashes.  Otherwise, when the file name gets
341                 # bolted into an object file as debug info, it has two slashes
342                 # in it.  Ordinarily this is ok, but emacs takes double slash
343                 # to mean "forget the first part".
344                 srcdir=`echo $optarg | sed -e 's:/$::'`
345                 ;;
346         --srcdir* | --sr*)
347                 srcdir=$optarg
348                 ;;
349         --sy*)
350                 sysconfdir=$optarg
351                 diroptions="$diroptions --sysconfdir=$optarg"
352                 ;;
353         --target* | --ta*)
354                 case $target_alias in
355                 NOTARGET) target_alias=$optarg ;;
356                 *) echo '***' Can only configure for one target at a time.  1>&2
357                    fatal=yes
358                    ;;
359                 esac
360                 ;;
361         --tmpdir* | --tm*)
362                 TMPDIR=$optarg
363                 tmpdiroption="--tmpdir=$optarg"
364                 ;;
365         --verbose | --v | --verb*)
366                 redirect=
367                 verbose=--verbose
368                 ;;
369         --version | --V | --vers*)
370                 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
371                 exit 0
372                 ;;
373         --with-*)
374                 case "$option" in
375                 *=*)    ;;
376                 *)      optarg=yes ;;
377                 esac
378
379                 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
380                 eval $withopt="\$optarg"
381                 withoptions="$withoptions $option"
382                 ;;
383         --without-*)
384                 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
385                 eval $withopt=no
386                 withoutoptions="$withoutoptions $option"
387                 ;;
388         --x)    with_x=yes
389                 withoptions="$withoptions --with-x"
390                 ;;
391         --x-i* | --x-l*) other_options="$other_options $orig_option"
392                 ;;
393         --*)
394                 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
395                 exit 1
396                 ;;
397         *)
398                 case $undefs in
399                 NOUNDEFS) undefs=$option ;;
400                 *) echo '***' Can only configure for one host and one target at a time.  1>&2
401                    fatal=yes
402                    ;;
403                 esac
404                 ;;
405         esac
406 done
407
408 # process host and target
409
410 # Do some error checking and defaulting for the host and target type.
411 # The inputs are:
412 #    configure --host=HOST --target=TARGET UNDEFS
413 #
414 # The rules are:
415 # 1. You aren't allowed to specify --host, --target, and undefs at the
416 #    same time.
417 # 2. Host defaults to undefs.
418 # 3. If undefs is not specified, then host defaults to the current host,
419 #    as determined by config.guess.
420 # 4. Target defaults to undefs.
421 # 5. If undefs is not specified, then target defaults to host.
422
423 case "${fatal}" in
424 "")
425         # Make sure that host, target & undefs aren't all specified at the
426         # same time.
427         case $host_alias---$target_alias---$undefs in
428         NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
429                 ;;
430         *) echo '***' Can only configure for one host and one target at a time.  1>&2
431            fatal=yes
432            break 2
433                 ;;
434         esac
435
436         # Now, do defaulting for host.
437         case $host_alias in
438         NOHOST)
439                 case $undefs in
440                 NOUNDEFS)
441                         # Neither --host option nor undefs were present.
442                         # Call config.guess.
443                         guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
444                         if host_alias=`${config_shell} ${guesssys}`
445                         then
446                                 # If the string we are going to use for
447                                 # the target is a prefix of the string
448                                 # we just guessed for the host, then
449                                 # assume we are running native, and force
450                                 # the same string for both target and host.
451                                 case $target_alias in
452                                 NOTARGET) ;;
453                                 *)
454                                         if expr $host_alias : $target_alias >/dev/null
455                                         then
456                                                 host_alias=$target_alias
457                                         fi
458                                         ;;
459                                 esac
460                                 echo "Configuring for a ${host_alias} host."
461                                 arguments="--host=$host_alias $arguments"
462                         else
463                                 echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
464                                 fatal=yes
465                         fi
466                         ;;
467                 *)
468                         host_alias=$undefs
469                         arguments="--host=$host_alias $arguments"
470                         undefs=NOUNDEFS
471                         ;;
472                 esac
473         esac
474
475         # Do defaulting for target.  If --target option isn't present, default
476         # to undefs.  If undefs isn't present, default to host.
477         case $target_alias in
478         NOTARGET)
479                 case $undefs in
480                 NOUNDEFS)
481                         target_alias=$host_alias
482                         ;;
483                 *)
484                         target_alias=$undefs
485                         arguments="--target=$target_alias $arguments"
486                         ;;
487                 esac
488         esac
489         ;;
490 *) ;;
491 esac
492
493 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
494         exec 1>&2
495         echo Usage: configure [OPTIONS] [HOST]
496         echo
497         echo Options: [defaults in brackets]
498         echo ' --prefix=MYDIR            install into MYDIR [/usr/local]'
499         echo ' --exec-prefix=MYDIR       install host-dependent files into MYDIR [/usr/local]'
500         echo ' --help                    print this message [normal config]'
501         echo ' --build=BUILD             configure for building on BUILD [BUILD=HOST]'
502         echo ' --host=HOST               configure for HOST [determined via config.guess]'
503         echo ' --norecursion             configure this directory only [recurse]'
504         echo ' --program-prefix=FOO      prepend FOO to installed program names [""]'
505         echo ' --program-suffix=FOO      append FOO to installed program names [""]'
506         echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
507         echo ' --site=SITE               configure with site-specific makefile for SITE'
508         echo ' --srcdir=DIR              find the sources in DIR [. or ..]'
509         echo ' --target=TARGET   configure for TARGET [TARGET=HOST]'
510         echo ' --tmpdir=TMPDIR   create temporary files in TMPDIR [/tmp]'
511         echo ' --nfp                     configure for software floating point [hard float]'
512         echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
513         echo ' --without-FOO             package FOO is NOT available'
514         echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
515         echo ' --disable-FOO             do not include feature FOO'
516         echo
517         echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
518         echo
519         if [ -r config.status ] ; then
520                 cat config.status
521         fi
522
523         exit 1
524 fi
525
526 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
527 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
528 ## the sed command below emulates the dirname command
529 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; ${PWDCMD-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 ${srcdir}" >&2
567                 exit 1
568         fi
569         pwd=`${PWDCMD-pwd}`
570         srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
571         if [ "${pwd}" = "${srcpwd}" ] ; then
572                 srcdir=.
573         fi
574 esac
575
576 # If it's an in-source build, make a directory and configure there instead.
577 # Name the build directory after the host for clarity's sake.  Remember that
578 # name for the redirecting makefile's use, since the makefile shouldn't have
579 # to duplicate the work of figuring out host_alias.
580 #
581 # Also remember if this is a native build or not.  Variations on "or not"
582 # are performed later in this script so we can't test them here.  In
583 # particular, build_alias will still be empty unless specified by the user,
584 # so do not try in-source builds when making a host-x-host compiler.
585 # For a cross compile, "make all" = "all".  Otherwise, "all" = "bootstrap".
586 if test "${srcdir}" = "." ; then
587         builddir=${host_alias}
588         if test ! -d ${builddir}; then
589                 mkdir ${builddir} || exit 1
590         fi
591         if test ${host_alias} != ${target_alias}; then
592                 t=all
593         else
594                 t=bootstrap
595         fi
596         # stamp-builddir is too long for #$&!*@ 8.3 filesystems
597         echo "builddir=${builddir}" > s-buildd
598         echo "defaulttarget=$t" >> s-buildd
599         cd ${builddir}
600         exec ${config_shell} ../configure $arguments
601 fi
602
603 ### warn about some conflicting configurations.
604
605 case "${srcdir}" in
606 ".") ;;
607 *)
608         if [ -f ${srcdir}/config.status ] ; then
609                 echo '***' Cannot configure here in \"${PWD=`${PWDCMD-pwd}`}\" when \"${srcdir}\" is currently configured. 1>&2
610                 exit 1
611         fi
612 esac
613
614 # default exec_prefix
615 case "${exec_prefixoption}" in
616 "") exec_prefix="\$(prefix)" ;;
617 *) ;;
618 esac
619
620 # Define the trigger file to make sure configure will re-run whenever
621 # the gcc version number changes.
622 if [ "${with_gcc_version_trigger+set}" = set ]; then
623     gcc_version_trigger="$with_gcc_version_trigger"
624     gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
625 else
626     # If gcc's sources are available, define the trigger file.
627     if [ -f ${topsrcdir}/gcc/version.c ] ; then
628         gcc_version_trigger=${topsrcdir}/gcc/version.c
629         gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
630         case "$arguments" in
631           *--with-gcc-version-trigger=$gcc_version_trigger* )
632             ;;
633           * )
634             # Make sure configure.in knows about this.
635             arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
636             ;;
637         esac
638         withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
639     fi
640 fi
641
642 ### break up ${srcdir}/configure.in.
643 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
644 "")
645         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
646         # Check for a directory that's been converted to use autoconf since
647         # it was last configured.
648         if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
649           echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
650           if [ -r ${srcdir}/configure ] ; then
651             echo '***' Running the local configure script. 1>&2
652             case "${cache_file}" in
653             "") cache_file_option= ;;
654             *)  cache_file_option="--cache-file=${cache_file}" ;;
655             esac
656             srcdiroption="--srcdir=${srcdir}"
657             case "${build_alias}" in
658             "") buildopt= ;;
659             *)  buildopt="--build=${build_alias}" ;;
660             esac
661             eval exec ${config_shell} ${srcdir}/configure ${verbose} \
662                 ${buildopt} --host=${host_alias} --target=${target_alias} \
663                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
664                 ${srcdiroption} ${diroptions} \
665                 ${program_prefixoption} ${program_suffixoption} \
666                 ${program_transform_nameoption} ${site_option} \
667                 ${withoptions} ${withoutoptions} \
668                 ${enableoptions} ${disableoptions} ${floating_pointoption} \
669                 ${cache_file_option} ${removing} ${other_options} ${redirect}
670           else
671             echo '***' There is no configure script present though. 1>&2
672           fi
673         fi
674         exit 1
675         ;;
676 *) ;;
677 esac
678
679 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
680 "")
681         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
682         exit 1
683         ;;
684 *) ;;
685 esac
686
687 case "${TMPDIR}" in
688 "") TMPDIR=/tmp ; export TMPDIR ;;
689 *) ;;
690 esac
691
692 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
693 tmpdir=${TMPDIR}/cNf$$
694 mkdir ${tmpdir} || exit 1
695 tmpfile=${tmpdir}/cNf$$
696 # Note that under many versions of sh a trap handler for 0 will *override* any
697 # exit status you explicitly specify!  At this point, the only non-error exit
698 # is at the end of the script; these actions are duplicated there, minus
699 # the "exit 1".  Don't use "exit 0" anywhere after this without resetting the
700 # trap handler, or you'll lose.
701 trap "rm -rf Makefile.tem ${tmpdir}; exit 1" 0 1 2 15
702
703 # split ${srcdir}/configure.in into common, per-host, per-target,
704 # and post-target parts.  Post-target is optional.
705 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
706 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
707 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
708   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
709   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
710 else
711   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
712   echo >${tmpfile}.pos
713 fi
714
715 ### do common part of configure.in
716
717 # If the language specific compiler does not exist, but the "gcc" directory does,
718 # we will skip this directory; in this case the sub-directory's common part
719 # of configure.in will create a small shell script "skip-this-dir" containing
720 # commands to completely clean up any temporary or created files.
721
722 . ${tmpfile}.com
723
724 if test -f skip-this-dir; then
725         # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
726         # and reset the trap handler.
727         trap 0
728         rm -rf Makefile* ${tmpdir}
729         # Execute the final clean-up actions
730         ${config_shell} skip-this-dir
731         # and stop configuring this directory.
732         exit 0
733 fi
734
735 # some sanity checks on configure.in
736 case "${srctrigger}" in
737 "")
738         echo '***' srctrigger not set in ${PWD=`${PWDCMD-pwd}`}/configure.in.  1>&2
739         exit 1
740         ;;
741 *) ;;
742 esac
743
744 case "${build_alias}" in
745 "")
746         if result=`${config_shell} ${configsub} ${host_alias}` ; then
747             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
748             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
749             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
750             build=${build_cpu}-${build_vendor}-${build_os}
751             build_alias=${host_alias}
752         fi
753         ;;
754 *)
755         if result=`${config_shell} ${configsub} ${build_alias}` ; then
756             buildopt="--build=${build_alias}"
757             build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
758             build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
759             build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
760             build=${build_cpu}-${build_vendor}-${build_os}
761         else
762             echo "Unrecognized build system name ${build_alias}." 1>&2
763             exit 1
764         fi
765         ;;
766 esac
767
768 if result=`${config_shell} ${configsub} ${host_alias}` ; then
769     true
770 else
771     echo "Unrecognized host system name ${host_alias}." 1>&2
772     exit 1
773 fi
774 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
775 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
776 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
777 host=${host_cpu}-${host_vendor}-${host_os}
778
779 . ${tmpfile}.hst
780
781 if result=`${config_shell} ${configsub} ${target_alias}` ; then
782     true
783 else
784     echo "Unrecognized target system name ${target_alias}." 1>&2
785     exit 1
786 fi
787 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
788 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
789 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
790 target=${target_cpu}-${target_vendor}-${target_os}
791
792 . ${tmpfile}.tgt
793
794 # Find the source files, if location was not specified.
795 case "${srcdir}" in
796 "")
797         srcdirdefaulted=1
798         srcdir=.
799         if [ ! -r ${srctrigger} ] ; then
800                 srcdir=..
801         fi
802         ;;
803 *) ;;
804 esac
805
806 if [ ! -r ${srcdir}/${srctrigger} ] ; then
807         case "${srcdirdefaulted}" in
808         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`${PWDCMD-pwd}`}/${srcdir}" 1>&2 ;;
809         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`${PWDCMD-pwd}`}/. or ${PWD=`${PWDCMD-pwd}`}/.." 1>&2 ;;
810         esac
811
812         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
813         exit 1
814 fi
815
816 # Some systems (e.g., one of the i386-aix systems the gas testers are
817 # using) don't handle "\$" correctly, so don't use it here.
818 tooldir='$(exec_prefix)'/${target_alias}
819
820 if [ "${host_alias}" != "${target_alias}" ] ; then
821     if [ "${program_prefixoption}" = "" ] ; then
822         if [ "${program_suffixoption}" = "" ] ; then 
823             if [ "${program_transform_nameoption}" = "" ] ; then
824                 program_prefix=${target_alias}- ;
825             fi
826         fi
827     fi
828 fi
829
830 # Merge program_prefix and program_suffix onto program_transform_name.
831 # (program_suffix used to use $, but it's hard to preserve $ through both
832 # make and sh.)
833 if [ "${program_suffix}" != "" ] ; then
834     program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
835 fi
836
837 if [ "${program_prefix}" != "" ] ; then
838     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
839 fi
840
841 # If CC and CXX are not set in the environment, and the Makefile
842 # exists, try to extract them from it.  This is to handle running
843 # ./config.status by hand.
844 if [ -z "${CC}" ] && [ -r Makefile ]; then
845   sed -n -e ':loop
846 /\\$/ N
847 s/\\\n//g
848 t loop
849 /^CC[   ]*=/ s/CC[      ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
850   CC=`tail -1 Makefile.cc`
851   rm -f Makefile.cc
852 fi
853
854 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
855   sed -n -e ':loop
856 /\\$/ N
857 s/\\\n//g
858 t loop
859 /^CFLAGS[       ]*=/ s/CFLAGS[  ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
860   CFLAGS=`tail -1 Makefile.cc`
861   rm -f Makefile.cc
862 fi
863
864 if [ -z "${CXX}" ] && [ -r Makefile ]; then
865   sed -n -e ':loop
866 /\\$/ N
867 s/\\\n//g
868 t loop
869 /^CXX[  ]*=/ s/CXX[     ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
870   CXX=`tail -1 Makefile.cc`
871   rm -f Makefile.cc
872 fi
873
874 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
875   sed -n -e ':loop
876 /\\$/ N
877 s/\\\n//g
878 t loop
879 /^CXXFLAGS[     ]*=/ s/CXXFLAGS[        ]*=[    ]*\(.*\)/\1/p' < Makefile > Makefile.cc
880   CXXFLAGS=`tail -1 Makefile.cc`
881   rm -f Makefile.cc
882 fi
883
884 # Generate a default definition for YACC.  This is used if the makefile can't
885 # locate bison or byacc in objdir.
886
887 for prog in 'bison -y' byacc yacc
888 do
889   set dummy $prog; tmp=$2
890   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
891   for dir in $PATH; do
892     test -z "$dir" && dir=.
893     if test -f $dir/$tmp; then
894       DEFAULT_YACC="$prog"
895       break
896     fi
897   done
898   IFS="$save_ifs"
899
900   test -n "$DEFAULT_YACC" && break
901 done
902
903 # Generate a default definition for M4.  This is used if the makefile can't
904 # locate m4 in objdir.
905
906 for prog in gm4 gnum4 m4
907 do
908   set dummy $prog; tmp=$2
909   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
910   for dir in $PATH; do
911     test -z "$dir" && dir=.
912     if test -f $dir/$tmp; then
913       DEFAULT_M4="$prog"
914       break
915     fi
916   done
917   IFS="$save_ifs"
918
919   test -n "$DEFAULT_M4" && break
920 done
921
922 # Generate a default definition for LEX.  This is used if the makefile can't
923 # locate flex in objdir.
924
925 for prog in flex lex
926 do
927   set dummy $prog; tmp=$2
928   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
929   for dir in $PATH; do
930     test -z "$dir" && dir=.
931     if test -f $dir/$tmp; then
932       DEFAULT_LEX="$prog"
933       break
934     fi
935   done
936   IFS="$save_ifs"
937
938   test -n "$DEFAULT_LEX" && break
939 done
940
941 if [ "${build}" != "${host}" ]; then
942   # If we are doing a Canadian Cross, in which the host and build systems
943   # are not the same, we set reasonable default values for the tools.
944
945   tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
946   tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET GCJ_FOR_TARGET"
947   tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET BUILD_PREFIX"
948   tools="${tools} BUILD_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
949   tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
950   tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
951   tools="${tools} OBJCOPY OBJDUMP"
952
953   for var in ${tools}; do
954     if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
955       sed -n -e ':loop
956 /\\$/ N
957 s/\\\n//g
958 t loop
959 /^'"${var}"'[   ]*=/ s/'"${var}"'[      ]*=[    ]*\(.*\)/\1/p' \
960         < Makefile > Makefile.v
961       t=`tail -1 Makefile.v`
962       if [ -n "${t}" ]; then
963         eval "${var}=\${t}"
964       fi
965       rm -f Makefile.v
966     fi
967   done
968
969   AR=${AR-${host_alias}-ar}
970   AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
971   AS=${AS-${host_alias}-as}
972   AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
973   BISON=${BISON-bison}
974   CC=${CC-${host_alias}-gcc}
975   CFLAGS=${CFLAGS-"-g -O2"}
976   CXX=${CXX-${host_alias}-c++}
977   CXXFLAGS=${CXXFLAGS-"-g -O2"}
978   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
979   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
980   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
981   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
982   DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
983   DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
984   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
985   BUILD_PREFIX=${build_alias}-
986   BUILD_PREFIX_1=${build_alias}-
987   LD=${LD-${host_alias}-ld}
988   LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
989   MAKEINFO=${MAKEINFO-makeinfo}
990   NM=${NM-${host_alias}-nm}
991   NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
992   RANLIB=${RANLIB-${host_alias}-ranlib}
993   RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
994   WINDRES=${WINDRES-${host_alias}-windres}
995   WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
996   OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
997   OBJDUMP=${OBJDUMP-${host_alias}-objdump}
998
999   if [ -z "${YACC}" ]; then
1000     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1001     for dir in $PATH; do
1002       test -z "$dir" && dir=.
1003       if test -f $dir/bison; then
1004         YACC="bison -y"
1005         break
1006       fi
1007       if test -f $dir/byacc; then
1008         YACC=byacc
1009         break
1010       fi
1011       if test -f $dir/yacc; then
1012         YACC=yacc
1013         break
1014       fi
1015     done
1016     IFS="$save_ifs"
1017     if [ -z "${YACC}" ]; then
1018       YACC="bison -y"
1019     fi
1020   fi
1021
1022   if [ -z "${LEX}" ]; 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/flex; then
1027         LEX=flex
1028         break
1029       fi
1030       if test -f $dir/lex; then
1031         LEX=lex
1032         break
1033       fi
1034     done
1035     IFS="$save_ifs"
1036     LEX=${LEX-flex}
1037   fi
1038
1039   # Export variables which autoconf might try to set.
1040   export AS
1041   export AR
1042   export CC_FOR_BUILD
1043   export DLLTOOL
1044   export LD
1045   export NM
1046   export RANLIB
1047   export WINDRES
1048   export OBJCOPY
1049   export OBJDUMP
1050 else
1051   # If CC is still not set, try to get gcc.
1052   if [ -z "${CC}" ]; then
1053     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1054     for dir in $PATH; do
1055       test -z "$dir" && dir=.
1056       if test -f $dir/gcc; then
1057         CC="gcc"
1058         echo 'void f(){}' > conftest.c
1059         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1060           CFLAGS=${CFLAGS-"-g -O2"}
1061           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1062         else
1063           CFLAGS=${CFLAGS-"-O2"}
1064           CXXFLAGS=${CXXFLAGS-"-O2"}
1065         fi
1066         rm -f conftest*
1067         break
1068       fi
1069     done
1070     IFS="$save_ifs"
1071     CC=${CC-cc}
1072   else
1073     if test -z "${CFLAGS}"; then
1074       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1075       # is set to a version of gcc.
1076       case "${CC}" in
1077       *gcc)
1078         echo 'void f(){}' > conftest.c
1079         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1080           CFLAGS=${CFLAGS-"-g -O2"}
1081           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1082         else
1083           CFLAGS=${CFLAGS-"-O2"}
1084           CXXFLAGS=${CXXFLAGS-"-O2"}
1085         fi
1086         rm -f conftest*
1087         ;;
1088       esac
1089     fi
1090   fi
1091
1092   CXX=${CXX-"c++"}
1093   CFLAGS=${CFLAGS-"-g"}
1094   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1095 fi
1096
1097 export CC
1098 export CXX
1099 export CFLAGS
1100 export CXXFLAGS
1101
1102 all_build_modules=
1103 if test x"${build_alias}" != x"${host_alias}"
1104 then
1105   all_build_modules='$(ALL_BUILD_MODULES_LIST)'
1106 fi
1107
1108 for subdir in . ${subdirs} ; do
1109
1110     # ${subdir} is relative path from . to the directory we're currently
1111     # configuring.
1112     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1113     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1114
1115     ### figure out what to do with srcdir
1116     case "${srcdir}" in
1117         ".")  # no -srcdir option.  We're building in place.
1118                 makesrcdir=. ;;
1119         /* | [A-Za-z]:[\\/]* ) # absolute path
1120                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1121                 ;;
1122         *) # otherwise relative
1123                 case "${subdir}" in
1124                 .) makesrcdir=${srcdir} ;;
1125                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1126                 esac
1127                 ;;
1128     esac
1129
1130     if [ "${subdir}/" != "./" ] ; then
1131         Makefile=${subdir}/Makefile
1132     fi
1133
1134     if [ ! -d ${subdir} ] ; then
1135         if mkdir ${subdir} ; then
1136                 true
1137         else
1138                 echo '***' "${progname}: could not make ${PWD=`${PWDCMD-pwd}`}/${subdir}" 1>&2
1139                 exit 1
1140         fi
1141     fi
1142
1143     case "${removing}" in
1144     "")
1145         case "${subdir}" in
1146         .) ;;
1147         *) eval echo Building in ${subdir} ${redirect} ;;
1148         esac
1149
1150         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1151         # Set up the list of links to be made.
1152         # ${links} is the list of link names, and ${files} is the list of names to link to.
1153
1154         # Make the links.
1155         configlinks="${links}"
1156         if [ -r ${subdir}/config.status ] ; then
1157                 mv -f ${subdir}/config.status ${subdir}/config.back
1158         fi
1159         while [ -n "${files}" ] ; do
1160                 # set file to car of files, files to cdr of files
1161                 set ${files}; file=$1; shift; files=$*
1162                 set ${links}; link=$1; shift; links=$*
1163
1164                 if [ ! -r ${srcdir}/${file} ] ; then
1165                   if [ ! -r ${file} ] ; then
1166                     
1167                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1168                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1169                         exit 1
1170                   else
1171                         srcfile=${file}
1172                   fi
1173                 else
1174                         srcfile=${srcdir}/${file}
1175                 fi
1176
1177                 ${remove} -f ${link}
1178                 # Make a symlink if possible, otherwise try a hard link
1179                 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1180                         true
1181                 else
1182                         # We need to re-remove the file because Lynx leaves a 
1183                         # very strange directory there when it fails an NFS symlink.
1184                         ${remove} -r -f ${link}
1185                         ${hard_link} ${srcfile} ${link}
1186                 fi
1187                 if [ ! -r ${link} ] ; then
1188                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1189                         exit 1
1190                 fi
1191
1192                 echo "Linked \"${link}\" to \"${srcfile}\"."
1193         done
1194
1195         # Create a .gdbinit file which runs the one in srcdir
1196         # and tells GDB to look there for source files.
1197
1198         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1199                 case ${srcdir} in
1200                 .) ;;
1201                 *) cat > ${subdir}/.gdbinit <<EOF
1202 # ${NO_EDIT}
1203 dir ${makesrcdir}
1204 dir .
1205 source ${makesrcdir}/.gdbinit
1206 EOF
1207                         ;;
1208                 esac
1209         fi
1210
1211         # Install a makefile, and make it set VPATH
1212         # if necessary so that the sources are found.
1213         # Also change its value of srcdir.
1214         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
1215         # been somewhat optimized and is perhaps a bit twisty.
1216
1217         # code is order so as to try to sed the smallest input files we know.
1218         # so do these separately because I don't trust the order of sed -e expressions.
1219
1220         # the five makefile fragments MUST end up in the resulting Makefile in this order: 
1221         # package macros, target, host, site, and package rules.
1222
1223         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1224
1225             # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1226             rm -f ${subdir}/${Makefile}.tem
1227             case "${package_makefile_rules_frag}" in
1228               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1229               *)
1230                       if [ ! -f ${package_makefile_rules_frag} ] ; then
1231                               package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1232                       fi
1233                       if [ -f ${package_makefile_rules_frag} ] ; then
1234                               sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1235                       else
1236                               echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1237                               echo '***' is missing in ${PWD=`${PWDCMD-pwd}`}. 1>&2
1238                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1239                       fi
1240             esac
1241             # working copy now in ${Makefile}.tem
1242
1243             # Conditionalize for this site.
1244             rm -f ${Makefile}
1245               case "${site}" in
1246               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1247               *)
1248                       site_makefile_frag=${srcdir}/config/ms-${site}
1249
1250                       if [ -f ${site_makefile_frag} ] ; then
1251                               sed -e "/^####/  r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1252                                       > ${Makefile}
1253                       else
1254                               mv ${subdir}/Makefile.tem ${Makefile}
1255                               site_makefile_frag=
1256                       fi
1257                       ;;
1258             esac
1259             # working copy now in ${Makefile}
1260
1261             # Conditionalize the makefile for this host.
1262             rm -f ${subdir}/Makefile.tem
1263             case "${host_makefile_frag}" in
1264               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1265               *)
1266                       if [ ! -f ${host_makefile_frag} ] ; then
1267                               host_makefile_frag=${srcdir}/${host_makefile_frag}
1268                       fi
1269                       if [ -f ${host_makefile_frag} ] ; then
1270                               sed -e "/^####/  r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1271                       else
1272                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1273                               echo '***' is missing in ${PWD=`${PWDCMD-pwd}`}. 1>&2
1274                               mv ${Makefile} ${subdir}/Makefile.tem
1275                       fi
1276             esac
1277             # working copy now in ${subdir)/Makefile.tem
1278
1279             # Conditionalize the makefile for this target.
1280             rm -f ${Makefile}
1281             case "${target_makefile_frag}" in
1282               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1283               *)
1284                       if [ ! -f ${target_makefile_frag} ] ; then
1285                               target_makefile_frag=${srcdir}/${target_makefile_frag}
1286                       fi
1287                       if [ -f ${target_makefile_frag} ] ; then
1288                               sed -e "/^####/  r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1289                       else
1290                               mv ${subdir}/Makefile.tem ${Makefile}
1291                               target_makefile_frag=
1292                       fi
1293                       ;;
1294             esac
1295             # working copy now in ${Makefile}
1296
1297             # Emit the default values of this package's macros.
1298             rm -f ${subdir}/Makefile.tem
1299             case "${package_makefile_frag}" in
1300               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1301               *)
1302                       if [ ! -f ${package_makefile_frag} ] ; then
1303                               package_makefile_frag=${srcdir}/${package_makefile_frag}
1304                       fi
1305                       if [ -f ${package_makefile_frag} ] ; then
1306                               sed -e "/^####/  r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1307                       else
1308                               echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1309                               echo '***' is missing in ${PWD=`${PWDCMD-pwd}`}. 1>&2
1310                               mv ${Makefile} ${subdir}/Makefile.tem
1311                       fi
1312             esac
1313             # real copy now in ${subdir}/Makefile.tem
1314
1315             # prepend warning about editing, and a bunch of variables.
1316             rm -f ${Makefile}
1317             cat > ${Makefile} <<EOF
1318 # ${NO_EDIT}
1319 VPATH = ${makesrcdir}
1320 links = ${configlinks}
1321 host_alias = ${host_alias}
1322 host_cpu = ${host_cpu}
1323 host_vendor = ${host_vendor}
1324 host_os = ${host_os}
1325 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1326 target_alias = ${target_alias}
1327 target_cpu = ${target_cpu}
1328 target_vendor = ${target_vendor}
1329 target_os = ${target_os}
1330 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1331 EOF
1332             case "${build}" in
1333               "") ;;
1334               *)  cat >> ${Makefile} << EOF
1335 build_alias = ${build_alias}
1336 build_cpu = ${build_cpu}
1337 build_vendor = ${build_vendor}
1338 build_os = ${build_os}
1339 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1340 EOF
1341             esac
1342
1343             case "${package_makefile_frag}" in
1344               "") ;;
1345               /* | [A-Za-z]:[\\/]* ) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1346               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1347             esac
1348
1349             case "${target_makefile_frag}" in
1350               "") ;;
1351               /* | [A-Za-z]:[\\/]* ) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1352               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1353             esac
1354
1355             case "${host_makefile_frag}" in
1356               "") ;;
1357               /* | [A-Za-z]:[\\/]* ) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1358               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1359             esac
1360
1361             if [ "${site_makefile_frag}" != "" ] ; then
1362                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1363             fi 
1364
1365             echo enable_shared = ${enable_shared} >> ${Makefile}
1366             echo enable_threads = ${enable_threads} >> ${Makefile}
1367             # record if we want to rumtime library stuff installed in libsubdir.
1368             if test -z "${enable_version_specific_runtime_libs}"; then
1369                 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1370             else
1371                 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1372             fi
1373
1374             # Emit a macro which describes the file containing gcc's
1375             # version number.
1376             echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1377             # And emit a macro defining gcc's version number.
1378             echo gcc_version = ${gcc_version} >> ${Makefile}
1379
1380             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1381             # remove any form feeds.
1382             if [ -z "${subdirs}" ]; then
1383                 rm -f ${subdir}/Makefile.tm2
1384                 sedtemp=sed.$$
1385                 cat >$sedtemp <<EOF
1386 s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:
1387 s:^NONSUBDIRS[  ]*=.*$:NONSUBDIRS = ${noconfigdirs}:
1388 EOF
1389                 sed -f $sedtemp \
1390                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1391                 rm -f $sedtemp
1392                 rm -f ${subdir}/Makefile.tem
1393                 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1394             fi
1395             sed     -e "s|^prefix[      ]*=.*$|prefix = ${prefix}|" \
1396                     -e "s|^exec_prefix[         ]*=.*$|exec_prefix = ${exec_prefix}|" \
1397                     -e "s|^bindir[      ]*=.*$|bindir = ${bindir}|" \
1398                     -e "s|^sbindir[     ]*=.*$|sbindir = ${sbindir}|" \
1399                     -e "s|^libexecdir[  ]*=.*$|libexecdir = ${libexecdir}|" \
1400                     -e "s|^datadir[     ]*=.*$|datadir = ${datadir}|" \
1401                     -e "s|^sysconfdir[  ]*=.*$|sysconfdir = ${sysconfdir}|" \
1402                     -e "s|^sharedstatedir[      ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1403                     -e "s|^localstatedir[       ]*=.*$|localstatedir = ${localstatedir}|" \
1404                     -e "s|^libdir[      ]*=.*$|libdir = ${libdir}|" \
1405                     -e "s|^includedir[  ]*=.*$|includedir = ${includedir}|" \
1406                     -e "s|^oldincludedir[       ]*=.*$|oldincludedir = ${oldincludedir}|" \
1407                     -e "s|^infodir[     ]*=.*$|infodir = ${infodir}|" \
1408                     -e "s|^mandir[      ]*=.*$|mandir = ${mandir}|" \
1409                     -e "s|^ALL_BUILD_MODULES =.*|ALL_BUILD_MODULES =${all_build_modules}|" \
1410                     -e "/^CC[   ]*=/{
1411                         :loop1
1412                         /\\\\$/ N
1413                         s/\\\\\\n//g
1414                         t loop1
1415                         s%^CC[  ]*=.*$%CC = ${CC}%
1416                         }" \
1417                     -e "/^CXX[  ]*=/{
1418                         :loop2
1419                         /\\\\$/ N
1420                         s/\\\\\\n//g
1421                         t loop2
1422                         s%^CXX[         ]*=.*$%CXX = ${CXX}%
1423                         }" \
1424                     -e "/^CFLAGS[       ]*=/{
1425                         :loop3
1426                         /\\\\$/ N
1427                         s/\\\\\\n//g
1428                         t loop3
1429                         s%^CFLAGS[      ]*=.*$%CFLAGS = ${CFLAGS}%
1430                         }" \
1431                     -e "/^CXXFLAGS[     ]*=/{
1432                         :loop4
1433                         /\\\\$/ N
1434                         s/\\\\\\n//g
1435                         t loop4
1436                         s%^CXXFLAGS[    ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1437                         }" \
1438                     -e "s|^SHELL[        ]*=.*$|SHELL = ${config_shell}|" \
1439                     -e "s|^srcdir[      ]*=.*$|srcdir = ${makesrcdir}|" \
1440                     -e "s/\f//" \
1441                     -e "s:^program_prefix[      ]*=.*$:program_prefix = ${program_prefix}:" \
1442                     -e "s:^program_suffix[      ]*=.*$:program_suffix = ${program_suffix}:" \
1443                     -e "s:^program_transform_name[      ]*=.*$:program_transform_name = ${program_transform_name}:" \
1444                     -e "s|^tooldir[     ]*=.*$|tooldir = ${tooldir}|" \
1445                     -e "s|^build_tooldir[       ]*=.*$|build_tooldir = ${tooldir}|" \
1446                     -e "s:^DEFAULT_YACC[         ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1447                     -e "s:^DEFAULT_LEX[  ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1448                     -e "s:^DEFAULT_M4[  ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1449                     ${subdir}/Makefile.tem >> ${Makefile}
1450   
1451             sed -e "s:^GDB_TK[   ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1452             mv -f ${Makefile}.tem ${Makefile}
1453
1454             # If this is a Canadian Cross, preset the values of many more
1455             # tools.
1456             if [ "${build}" != "${host}" ]; then
1457                 for var in ${tools}; do
1458                     eval val=\$${var}
1459                     sed -e "/^${var}[   ]*=/{
1460                            :loop1
1461                            /\\\\$/ N
1462                            /\\\\$/ b loop1
1463                            s/\\\\\\n//g
1464                            s%^${var}[   ]*=.*$%${var} = ${val}%
1465                            }" ${Makefile} > ${Makefile}.tem
1466                     mv -f ${Makefile}.tem ${Makefile}
1467                 done
1468             fi
1469
1470             # final copy now in ${Makefile}
1471
1472         else
1473            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1474         fi
1475
1476         rm -f ${subdir}/Makefile.tem
1477
1478         case "${host_makefile_frag}" in
1479         "") using= ;;
1480         *) using="and \"${host_makefile_frag}\"" ;;
1481         esac
1482
1483         case "${target_makefile_frag}" in
1484         "") ;;
1485         *) using="${using} and \"${target_makefile_frag}\"" ;;
1486         esac
1487
1488         case "${site_makefile_frag}" in
1489         "") ;;
1490         *) using="${using} and \"${site_makefile_frag}\"" ;;
1491         esac
1492
1493         newusing=`echo "${using}" | sed 's/and/using/'`
1494         using=${newusing}
1495         echo "Created \"${Makefile}\" in" ${PWD=`${PWDCMD-pwd}`} ${using}
1496
1497         . ${tmpfile}.pos
1498
1499         # describe the chosen configuration in config.status.
1500         # Make that file a shellscript which will reestablish
1501         # the same configuration.  Used in Makefiles to rebuild
1502         # Makefiles.
1503
1504         case "${norecursion}" in
1505         "") arguments="${arguments} --norecursion" ;;
1506         *) ;;
1507         esac
1508
1509         if [ ${subdir} = . ] ; then
1510             echo "#!/bin/sh
1511 # ${NO_EDIT}
1512 # This directory was configured as follows:
1513 ${progname}" ${arguments}  "
1514 # ${using}" > ${subdir}/config.new
1515         else
1516             echo "#!/bin/sh
1517 # ${NO_EDIT}
1518 # This directory was configured as follows:
1519 cd ${invsubdir}
1520 ${progname}" ${arguments}  "
1521 # ${using}" > ${subdir}/config.new
1522         fi
1523         chmod a+x ${subdir}/config.new
1524         if [ -r ${subdir}/config.back ] ; then
1525                 mv -f ${subdir}/config.back ${subdir}/config.status
1526         fi
1527         ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1528         ;;
1529
1530     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1531     esac
1532 done
1533
1534 # If there are subdirectories, then recur.
1535 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then 
1536         for configdir in ${configdirs} ${extraconfigdirs} ; do
1537
1538                 # If configdir contains ',' it is
1539                 # srcdir,builddir,target_alias
1540                 # These come from extraconfigdirs.
1541                 case ${configdir} in
1542                 *,*)
1543                     eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1544                     ;;
1545                 *)
1546                     cfg_dir=${configdir}
1547                     bld_dir=${configdir}
1548                     tgt_alias=${target_alias}
1549                     ;;
1550                 esac
1551
1552                 if [ -d ${srcdir}/${cfg_dir} ] ; then
1553                         eval echo Configuring ${configdir}... ${redirect}
1554                         case "${srcdir}" in
1555                         ".") ;;
1556                         *)
1557                                 if [ ! -d ./${bld_dir} ] ; then
1558                                         if mkdir ./${bld_dir} ; then
1559                                                 true
1560                                         else
1561                                                 echo '***' "${progname}: could not make ${PWD=`${PWDCMD-pwd}`}/${bld_dir}" 1>&2
1562                                                 exit 1
1563                                         fi
1564                                 fi
1565                                 ;;
1566                         esac
1567
1568                         POPDIR=${PWD=`${PWDCMD-pwd}`}
1569                         cd ${bld_dir} 
1570
1571 ### figure out what to do with srcdir
1572                         case "${srcdir}" in
1573                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
1574                         /* | [A-Za-z]:[\\/]* ) # absolute path
1575                                 newsrcdir=${srcdir}/${cfg_dir}
1576                                 srcdiroption="--srcdir=${newsrcdir}"
1577                                 ;;
1578                         *) # otherwise relative
1579                                 newsrcdir=../${srcdir}/${cfg_dir}
1580                                 srcdiroption="--srcdir=${newsrcdir}"
1581                                 ;;
1582                         esac
1583
1584                         # Handle --cache-file=../XXX
1585                         case "${cache_file}" in
1586                         "") # empty
1587                                 ;;
1588                         /* | [A-Za-z]:[\\/]* ) # absolute path
1589                                 cache_file_option="--cache-file=${cache_file}"
1590                                 ;;
1591                         *) # relative path
1592                                 cache_file_option="--cache-file=../${cache_file}"
1593                                 ;;
1594                         esac
1595
1596 ### check for guested configure, otherwise fix possibly relative progname
1597                         if [ -f ${newsrcdir}/configure ] ; then
1598                                 recprog=${newsrcdir}/configure
1599                         elif [ -f ${newsrcdir}/configure.in ] ; then
1600                                 case "${progname}" in
1601                                 /* | [A-Za-z]:[\\/]* )  recprog=${progname} ;;
1602                                 *)                      recprog=../${progname} ;;
1603                                 esac
1604                         else
1605                                 eval echo No configuration information in ${cfg_dir} ${redirect}
1606                                 recprog=
1607                         fi
1608
1609 ### The recursion line is here.
1610                         if [ ! -z "${recprog}" ] ; then
1611                                 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1612                                         ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1613                                         ${srcdiroption} ${diroptions} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1614                                         true
1615                                 else
1616                                         echo Configure in `${PWDCMD-pwd}` failed, exiting. 1>&2
1617                                         exit 1
1618                                 fi
1619                         fi
1620
1621                         cd ${POPDIR}
1622                 fi
1623         done
1624 fi
1625
1626 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1627 # and reset the trap handler.
1628 rm -rf ${tmpdir}
1629 trap 0
1630
1631 exit 0
1632
1633 #
1634 # Local Variables:
1635 # fill-column: 131
1636 # End:
1637 #
1638
1639 # end of configure