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Tue Apr 1 16:28:50 1997 Klaus Kaempf <[email protected]>
[binutils.git] / configure
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1#!/bin/sh
2
3### WARNING: this file contains embedded tabs. Do not run untabify on this file.
4
5# Configuration script
6# Copyright (C) 1988, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
7
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21
22# This file was originally written by K. Richard Pixley.
23
24#
25# Shell script to create proper links to machine-dependent files in
26# preparation for compilation.
27#
28# If configure succeeds, it leaves its status in config.status.
29# If configure fails after disturbing the status quo,
30# config.status is removed.
31#
32
33export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh $0 $argv; kill $$)
34
35remove=rm
36hard_link=ln
37symbolic_link='ln -s'
38
39#for Test
40#remove="echo rm"
41#hard_link="echo ln"
42#symbolic_link="echo ln -s"
43
44# clear some things potentially inherited from environment.
45
46Makefile=Makefile
47Makefile_in=Makefile.in
48arguments=
49build_alias=
50cache_file=
51cache_file_option=
52configdirs=
53exec_prefix=
54exec_prefixoption=
55fatal=
56floating_point=default
57gas=default
58host_alias=NOHOST
59host_makefile_frag=
60moveifchange=
61norecursion=
62other_options=
63package_makefile_frag=
64prefix=/usr/local
65progname=
66program_prefix=
67program_prefixoption=
68program_suffix=
69program_suffixoption=
70program_transform_name=
71program_transform_nameoption=
72redirect=">/dev/null"
73removing=
74site=
75site_makefile_frag=
76site_option=
77srcdir=
78srctrigger=
79subdirs=
80target_alias=NOTARGET
81target_makefile_frag=
82undefs=NOUNDEFS
83version="$Revision$"
84x11=default
85
86### we might need to use some other shell than /bin/sh for running subshells
87#
88config_shell=${CONFIG_SHELL-/bin/sh}
89
90NO_EDIT="This file was generated automatically by configure. Do not edit."
91
92## this is a little touchy and won't always work, but...
93##
94## if the argv[0] starts with a slash then it is an absolute name that can (and
95## must) be used as is.
96##
97## otherwise, if argv[0] has no slash in it, we can assume that it is on the
98## path. Since PATH might include "." we also add `pwd` to the end of PATH.
99##
100
101progname=$0
102# if PWD already has a value, it is probably wrong.
103if [ -n "$PWD" ]; then PWD=`pwd`; fi
104
105case "${progname}" in
106/*) ;;
107*/*) ;;
108*)
109 PATH=$PATH:${PWD=`pwd`} ; export PATH
110 ;;
111esac
112
113# Loop over all args
114
115while :
116do
117
118# Break out if there are no more args
119 case $# in
120 0)
121 break
122 ;;
123 esac
124
125# Get the first arg, and shuffle
126 option=$1
127 shift
128
129# Make all options have two hyphens
130 orig_option=$option # Save original for error messages
131 case $option in
132 --*) ;;
133 -*) option=-$option ;;
134 esac
135
136# Split out the argument for options that take them
137 case $option in
138 --*=*)
139 optarg=`echo $option | sed -e 's/^[^=]*=//'`
140 arguments="$arguments $option"
141 ;;
142# These options have mandatory values. Since we didn't find an = sign,
143# the value must be in the next argument
144 --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*)
145 optarg=$1
146 shift
147 arguments="$arguments $option=$optarg"
148 ;;
149 --v)
150 arguments="$arguments -v"
151 ;;
152 --*)
153 arguments="$arguments $option"
154 ;;
155 esac
156
157# Now, process the options
158 case $option in
159
160 --build* | --bu*)
161 case "$build_alias" in
162 "") build_alias=$optarg ;;
163 *) echo '***' Can only configure for one build machine at a time. 1>&2
164 fatal=yes
165 ;;
166 esac
167 ;;
168 --cache*)
169 cache_file=$optarg
170 ;;
171 --disable-*)
172 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
173 eval $enableopt=no
174 disableoptions="$disableoptions $option"
175 ;;
176 --enable-*)
177 case "$option" in
178 *=*) ;;
179 *) optarg=yes ;;
180 esac
181
182 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
183 eval "$enableopt='$optarg'"
184 enableoptions="$enableoptions '$option'"
185 ;;
186 --exec-prefix* | --ex*)
187 exec_prefix=$optarg
188 exec_prefixoption="--exec-prefix=$optarg"
189 ;;
190 --gas | --g*)
191 gas=yes
192 ;;
193 --help | --he*)
194 fatal=yes
195 ;;
196 --host* | --ho*)
197 case $host_alias in
198 NOHOST) host_alias=$optarg ;;
199 *) echo '***' Can only configure for one host at a time. 1>&2
200 fatal=yes
201 ;;
202 esac
203 ;;
204 --nfp | --nf*)
205 floating_point=no
206 floating_pointoption="--nfp"
207 ;;
208 --norecursion | --no*)
209 norecursion=yes
210 ;;
211 --prefix* | --pre*)
212 prefix=$optarg
213 prefixoption="--prefix=$optarg"
214 ;;
215 --program-prefix* | --program-p*)
216 program_prefix=$optarg
217 program_prefixoption="--program-prefix=$optarg"
218 ;;
219 --program-suffix* | --program-s*)
220 program_suffix=$optarg
221 program_suffixoption="--program-suffix=$optarg"
222 ;;
223 --program-transform-name* | --program-t*)
224 # Double any backslashes or dollar signs in the argument
225 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
226 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
227 ;;
228 --rm)
229 removing=--rm
230 ;;
231 --silent | --sil* | --quiet | --q*)
232 redirect=">/dev/null"
233 verbose=--silent
234 ;;
235 --site* | --sit*)
236 site=$optarg
237 site_option="--site=$optarg"
238 ;;
239 --srcdir*/ | --sr*/)
240 # Remove trailing slashes. Otherwise, when the file name gets
241 # bolted into an object file as debug info, it has two slashes
242 # in it. Ordinarily this is ok, but emacs takes double slash
243 # to mean "forget the first part".
244 srcdir=`echo $optarg | sed -e 's:/$::'`
245 ;;
246 --srcdir* | --sr*)
247 srcdir=$optarg
248 ;;
249 --target* | --ta*)
250 case $target_alias in
251 NOTARGET) target_alias=$optarg ;;
252 *) echo '***' Can only configure for one target at a time. 1>&2
253 fatal=yes
254 ;;
255 esac
256 ;;
257 --tmpdir* | --tm*)
258 TMPDIR=$optarg
259 tmpdiroption="--tmpdir=$optarg"
260 ;;
261 --verbose | --v | --verb*)
262 redirect=
263 verbose=--verbose
264 ;;
265 --version | --V | --vers*)
266 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
267 exit 0
268 ;;
269 --with-*)
270 case "$option" in
271 *=*) ;;
272 *) optarg=yes ;;
273 esac
274
275 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
276 eval $withopt="$optarg"
277 withoptions="$withoptions $option"
278 ;;
279 --without-*)
280 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
281 eval $withopt=no
282 withoutoptions="$withoutoptions $option"
283 ;;
284 --x) with_x=yes
285 withoptions="$withoptions --with-x"
286 ;;
287 --x-i* | --x-l*) other_options="$other_options $orig_option"
288 ;;
289 --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
290 # These options were added to autoconf for emacs.
291 ;;
292 --*)
293 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
294 exit 1
295 ;;
296 *)
297 case $undefs in
298 NOUNDEFS) undefs=$option ;;
299 *) echo '***' Can only configure for one host and one target at a time. 1>&2
300 fatal=yes
301 ;;
302 esac
303 ;;
304 esac
305done
306
307# process host and target
308
309# Do some error checking and defaulting for the host and target type.
310# The inputs are:
311# configure --host=HOST --target=TARGET UNDEFS
312#
313# The rules are:
314# 1. You aren't allowed to specify --host, --target, and undefs at the
315# same time.
316# 2. Host defaults to undefs.
317# 3. If undefs is not specified, then host defaults to the current host,
318# as determined by config.guess.
319# 4. Target defaults to undefs.
320# 5. If undefs is not specified, then target defaults to host.
321
322case "${fatal}" in
323"")
324 # Make sure that host, target & undefs aren't all specified at the
325 # same time.
326 case $host_alias---$target_alias---$undefs in
327 NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
328 ;;
329 *) echo '***' Can only configure for one host and one target at a time. 1>&2
330 fatal=yes
331 break 2
332 ;;
333 esac
334
335 # Now, do defaulting for host.
336 case $host_alias in
337 NOHOST)
338 case $undefs in
339 NOUNDEFS)
340 # Neither --host option nor undefs were present.
341 # Call config.guess.
342 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
343 if host_alias=`${config_shell} ${guesssys}`
344 then
345 # If the string we are going to use for
346 # the target is a prefix of the string
347 # we just guessed for the host, then
348 # assume we are running native, and force
349 # the same string for both target and host.
350 case $target_alias in
351 NOTARGET) ;;
352 *)
353 if expr $host_alias : $target_alias >/dev/null
354 then
355 host_alias=$target_alias
356 fi
357 ;;
358 esac
359 echo "Configuring for a ${host_alias} host." 1>&2
360 arguments="--host=$host_alias $arguments"
361 else
362 echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
363 fatal=yes
364 fi
365 ;;
366 *)
367 host_alias=$undefs
368 arguments="--host=$host_alias $arguments"
369 undefs=NOUNDEFS
370 ;;
371 esac
372 esac
373
374 # Do defaulting for target. If --target option isn't present, default
375 # to undefs. If undefs isn't present, default to host.
376 case $target_alias in
377 NOTARGET)
378 case $undefs in
379 NOUNDEFS)
380 target_alias=$host_alias
381 ;;
382 *)
383 target_alias=$undefs
384 arguments="--target=$target_alias $arguments"
385 ;;
386 esac
387 esac
388 ;;
389*) ;;
390esac
391
392if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
393 exec 1>&2
394 echo Usage: configure [OPTIONS] [HOST]
395 echo
396 echo Options: [defaults in brackets]
397 echo ' --prefix=MYDIR install into MYDIR [/usr/local]'
398 echo ' --exec-prefix=MYDIR install host-dependent files into MYDIR [/usr/local]'
399 echo ' --help print this message [normal config]'
400 echo ' --build=BUILD configure for building on BUILD [BUILD=HOST]'
401 echo ' --host=HOST configure for HOST [determined via config.guess]'
402 echo ' --norecursion configure this directory only [recurse]'
403 echo ' --program-prefix=FOO prepend FOO to installed program names [""]'
404 echo ' --program-suffix=FOO append FOO to installed program names [""]'
405 echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
406 echo ' --site=SITE configure with site-specific makefile for SITE'
407 echo ' --srcdir=DIR find the sources in DIR [. or ..]'
408 echo ' --target=TARGET configure for TARGET [TARGET=HOST]'
409 echo ' --tmpdir=TMPDIR create temporary files in TMPDIR [/tmp]'
410 echo ' --nfp configure for software floating point [hard float]'
411 echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
412 echo ' --without-FOO package FOO is NOT available'
413 echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
414 echo ' --disable-FOO do not include feature FOO'
415 echo
416 echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
417 echo
418 if [ -r config.status ] ; then
419 cat config.status
420 fi
421
422 exit 1
423fi
424
425configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
426moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
427
428# this is a hack. sun4 must always be a valid host alias or this will fail.
429if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
430 true
431else
432 echo '***' cannot find config.sub. 1>&2
433 exit 1
434fi
435
436touch config.junk
437if ${config_shell} ${moveifchange} config.junk config.trash ; then
438 true
439else
440 echo '***' cannot find move-if-change. 1>&2
441 exit 1
442fi
443rm -f config.junk config.trash
444
445case "${srcdir}" in
446"")
447 if [ -r configure.in ] ; then
448 srcdir=.
449 else
450 if [ -r ${progname}.in ] ; then
451 srcdir=`echo ${progname} | sed 's:/configure$::'`
452 else
453 echo '***' "Can't find configure.in. Try using --srcdir=some_dir" 1>&2
454 exit 1
455 fi
456 fi
457 ;;
458*)
459 # Set srcdir to "." if that's what it is.
460 # This is important for multilib support.
461 if [ ! -d ${srcdir} ] ; then
462 echo "Invalid source directory ${srcdir}" >&2
463 exit 1
464 fi
465 pwd=`pwd`
466 srcpwd=`cd ${srcdir} ; pwd`
467 if [ "${pwd}" = "${srcpwd}" ] ; then
468 srcdir=.
469 fi
470esac
471
472### warn about some conflicting configurations.
473
474case "${srcdir}" in
475".") ;;
476*)
477 if [ -f ${srcdir}/config.status ] ; then
478 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
479 exit 1
480 fi
481esac
482
483# default exec_prefix
484case "${exec_prefixoption}" in
485"") exec_prefix="\$(prefix)" ;;
486*) ;;
487esac
488
489### break up ${srcdir}/configure.in.
490case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
491"")
492 echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
493 # Check for a directory that's been converted to use autoconf since
494 # it was last configured.
495 if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
496 echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
497 if [ -r ${srcdir}/configure ] ; then
498 echo '***' Running the local configure script. 1>&2
499 case "${cache_file}" in
500 "") cache_file_option= ;;
501 *) cache_file_option="--cache-file=${cache_file}" ;;
502 esac
503 srcdiroption="--srcdir=${srcdir}"
504 case "${build_alias}" in
505 "") buildopt= ;;
506 *) buildopt="--build=${build_alias}" ;;
507 esac
508 eval exec ${config_shell} ${srcdir}/configure ${verbose} \
509 ${buildopt} --host=${host_alias} --target=${target_alias} \
510 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
511 ${srcdiroption} \
512 ${program_prefixoption} ${program_suffixoption} \
513 ${program_transform_nameoption} ${site_option} \
514 ${withoptions} ${withoutoptions} \
515 ${enableoptions} ${disableoptions} ${floating_pointoption} \
516 ${cache_file_option} ${removing} ${other_options} ${redirect}
517 else
518 echo '***' There is no configure script present though. 1>&2
519 fi
520 fi
521 exit 1
522 ;;
523*) ;;
524esac
525
526case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
527"")
528 echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
529 exit 1
530 ;;
531*) ;;
532esac
533
534case "${TMPDIR}" in
535"") TMPDIR=/tmp ; export TMPDIR ;;
536*) ;;
537esac
538
539# keep this filename short for &%*%$*# 14 char file names
540tmpfile=${TMPDIR}/cONf$$
541# Note that under many versions of sh a trap handler for 0 will *override* any
542# exit status you explicitly specify! At this point, the only non-error exit
543# is at the end of the script; these actions are duplicated there, minus
544# the "exit 1". Don't use "exit 0" anywhere after this without resetting the
545# trap handler, or you'll lose.
546trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
547
548# split ${srcdir}/configure.in into common, per-host, per-target,
549# and post-target parts. Post-target is optional.
550sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
551sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
552if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
553 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
554 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
555else
556 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
557 echo >${tmpfile}.pos
558fi
559
560### do common part of configure.in
561
562. ${tmpfile}.com
563
564# some sanity checks on configure.in
565case "${srctrigger}" in
566"")
567 echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
568 exit 1
569 ;;
570*) ;;
571esac
572
573case "${build_alias}" in
574"")
575 if result=`${config_shell} ${configsub} ${host_alias}` ; then
576 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
577 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
578 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
579 build=${build_cpu}-${build_vendor}-${build_os}
580 build_alias=${host_alias}
581 fi
582 ;;
583*)
584 if result=`${config_shell} ${configsub} ${build_alias}` ; then
585 buildopt="--build=${build_alias}"
586 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
587 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
588 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
589 build=${build_cpu}-${build_vendor}-${build_os}
590 else
591 echo "Unrecognized build system name ${build_alias}." 1>&2
592 exit 1
593 fi
594 ;;
595esac
596
597if result=`${config_shell} ${configsub} ${host_alias}` ; then
598 true
599else
600 echo "Unrecognized host system name ${host_alias}." 1>&2
601 exit 1
602fi
603host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
604host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
605host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
606host=${host_cpu}-${host_vendor}-${host_os}
607
608. ${tmpfile}.hst
609
610if result=`${config_shell} ${configsub} ${target_alias}` ; then
611 true
612else
613 echo "Unrecognized target system name ${target_alias}." 1>&2
614 exit 1
615fi
616target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
617target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
618target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
619target=${target_cpu}-${target_vendor}-${target_os}
620
621. ${tmpfile}.tgt
622
623# Find the source files, if location was not specified.
624case "${srcdir}" in
625"")
626 srcdirdefaulted=1
627 srcdir=.
628 if [ ! -r ${srctrigger} ] ; then
629 srcdir=..
630 fi
631 ;;
632*) ;;
633esac
634
635if [ ! -r ${srcdir}/${srctrigger} ] ; then
636 case "${srcdirdefaulted}" in
637 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
638 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
639 esac
640
641 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
642 exit 1
643fi
644
645# Some systems (e.g., one of the i386-aix systems the gas testers are
646# using) don't handle "\$" correctly, so don't use it here.
647tooldir='$(exec_prefix)'/${target_alias}
648
649if [ "${host_alias}" != "${target_alias}" ] ; then
650 if [ "${program_prefixoption}" = "" ] ; then
651 if [ "${program_suffixoption}" = "" ] ; then
652 if [ "${program_transform_nameoption}" = "" ] ; then
653 program_prefix=${target_alias}- ;
654 fi
655 fi
656 fi
657fi
658
659# Merge program_prefix and program_suffix onto program_transform_name.
660# (program_suffix used to use $, but it's hard to preserve $ through both
661# make and sh.)
662if [ "${program_suffix}" != "" ] ; then
663 program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
664fi
665
666if [ "${program_prefix}" != "" ] ; then
667 program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
668fi
669
670# If CC and CXX are not set in the environment, and the Makefile
671# exists, try to extract them from it. This is to handle running
672# ./config.status by hand.
673if [ -z "${CC}" -a -r Makefile ]; then
674 sed -n -e ':loop
675/\\$/ N
676s/\\\n//g
677t loop
678/^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
679 CC=`tail -1 Makefile.cc`
680 rm -f Makefile.cc
681fi
682
683if [ -z "${CXX}" -a -r Makefile ]; then
684 sed -n -e ':loop
685/\\$/ N
686s/\\\n//g
687t loop
688/^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
689 CXX=`tail -1 Makefile.cc`
690 rm -f Makefile.cc
691fi
692
693# Generate a default definition for YACC. This is used if the makefile can't
694# locate bison or byacc in objdir.
695
696for prog in 'bison -y' byacc yacc
697do
698 set dummy $prog; tmp=$2
699 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
700 for dir in $PATH; do
701 test -z "$dir" && dir=.
702 if test -f $dir/$tmp; then
703 DEFAULT_YACC="$prog"
704 break
705 fi
706 done
707 IFS="$save_ifs"
708
709 test -n "$DEFAULT_YACC" && break
710done
711
712# Generate a default definition for LEX. This is used if the makefile can't
713# locate flex in objdir.
714
715for prog in flex lex
716do
717 set dummy $prog; tmp=$2
718 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
719 for dir in $PATH; do
720 test -z "$dir" && dir=.
721 if test -f $dir/$tmp; then
722 DEFAULT_LEX="$prog"
723 break
724 fi
725 done
726 IFS="$save_ifs"
727
728 test -n "$DEFAULT_LEX" && break
729done
730
731if [ "${build}" != "${host}" ]; then
732 # If we are doing a Canadian Cross, in which the host and build systems
733 # are not the same, we set reasonable default values for the tools.
734
735 tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
736 tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
737 tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET HOST_PREFIX"
738 tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
739 tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
740
741 for var in ${tools}; do
742 if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
743 sed -n -e ':loop
744/\\$/ N
745s/\\\n//g
746t loop
747/^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
748 < Makefile > Makefile.v
749 t=`tail -1 Makefile.v`
750 if [ -n "${t}" ]; then
751 eval "${var}='${t}'"
752 fi
753 rm -f Makefile.v
754 fi
755 done
756
757 AR=${AR-${host_alias}-ar}
758 AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
759 AS=${AS-${host_alias}-as}
760 AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
761 CC=${CC-${host_alias}-gcc}
762 CXX=${CXX-${host_alias}-gcc}
763 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
764 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
765 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-gcc}
766 DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
767 DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
768 HOST_PREFIX=${build_alias}-
769 HOST_PREFIX_1=${build_alias}-
770 LD=${LD-${host_alias}-ld}
771 LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
772 MAKEINFO=${MAKEINFO-makeinfo}
773 NM=${NM-${host_alias}-nm}
774 NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
775 RANLIB=${RANLIB-${host_alias}-ranlib}
776 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
777
778 if [ -z "${BISON}" ]; then
779 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
780 for dir in $PATH; do
781 test -z "$dir" && dir=.
782 if test -f $dir/byacc; then
783 BISON=byacc
784 break
785 fi
786 if test -f $dir/bison; then
787 BISON=bison
788 break
789 fi
790 if test -f $dir/yacc; then
791 BISON=yacc
792 break
793 fi
794 done
795 IFS="$save_ifs"
796 BISON=${BISON-bison}
797 fi
798
799 if [ -z "${LEX}" ]; then
800 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
801 for dir in $PATH; do
802 test -z "$dir" && dir=.
803 if test -f $dir/flex; then
804 LEX=flex
805 break
806 fi
807 if test -f $dir/lex; then
808 LEX=lex
809 break
810 fi
811 done
812 IFS="$save_ifs"
813 LEX=${LEX-flex}
814 fi
815
816 # Export variables which autoconf might try to set.
817 export AS
818 export AR
819 export CC_FOR_BUILD
820 export DLLTOOL
821 export LD
822 export NM
823 export RANLIB
824else
825 # If CC is still not set, try to get gcc.
826 if [ -z "${CC}" ]; then
827 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
828 for dir in $PATH; do
829 test -z "$dir" && dir=.
830 if test -f $dir/gcc; then
831 CC="gcc -O2"
832 break
833 fi
834 done
835 IFS="$save_ifs"
836 CC=${CC-cc}
837 fi
838
839 CXX=${CXX-"gcc"}
840fi
841
842export CC
843export CXX
844
845case "$host" in
846 *go32*)
847 enable_gdbtk=no ;;
848 *cygwin32*)
849 enable_gdbtk=no ;;
850esac
851
852# Determine whether gdb needs tk/tcl or not.
853if [ "$enable_gdbtk" != "no" ]; then
854 GDB_TK="all-tcl all-tk"
855else
856 GDB_TK=""
857fi
858
859for subdir in . ${subdirs} ; do
860
861 # ${subdir} is relative path from . to the directory we're currently
862 # configuring.
863 # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
864 invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
865
866 ### figure out what to do with srcdir
867 case "${srcdir}" in
868 ".") # no -srcdir option. We're building in place.
869 makesrcdir=. ;;
870 /*) # absolute path
871 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
872 ;;
873 *) # otherwise relative
874 case "${subdir}" in
875 .) makesrcdir=${srcdir} ;;
876 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
877 esac
878 ;;
879 esac
880
881 if [ "${subdir}/" != "./" ] ; then
882 Makefile=${subdir}/Makefile
883 fi
884
885 if [ ! -d ${subdir} ] ; then
886 if mkdir ${subdir} ; then
887 true
888 else
889 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
890 exit 1
891 fi
892 fi
893
894 case "${removing}" in
895 "")
896 case "${subdir}" in
897 .) ;;
898 *) eval echo Building in ${subdir} ${redirect} ;;
899 esac
900
901 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
902 # Set up the list of links to be made.
903 # ${links} is the list of link names, and ${files} is the list of names to link to.
904
905 # Make the links.
906 configlinks="${links}"
907 if [ -r ${subdir}/config.status ] ; then
908 mv -f ${subdir}/config.status ${subdir}/config.back
909 fi
910 while [ -n "${files}" ] ; do
911 # set file to car of files, files to cdr of files
912 set ${files}; file=$1; shift; files=$*
913 set ${links}; link=$1; shift; links=$*
914
915 if [ ! -r ${srcdir}/${file} ] ; then
916 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
917 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
918 exit 1
919 fi
920
921 ${remove} -f ${link}
922 # Make a symlink if possible, otherwise try a hard link
923 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
924 true
925 else
926 # We need to re-remove the file because Lynx leaves a
927 # very strange directory there when it fails an NFS symlink.
928 ${remove} -r -f ${link}
929 ${hard_link} ${srcdir}/${file} ${link}
930 fi
931 if [ ! -r ${link} ] ; then
932 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
933 exit 1
934 fi
935
936 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
937 done
938
939 # Create a .gdbinit file which runs the one in srcdir
940 # and tells GDB to look there for source files.
941
942 if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
943 case ${srcdir} in
944 .) ;;
945 *) cat > ${subdir}/.gdbinit <<EOF
946# ${NO_EDIT}
947dir ${makesrcdir}
948dir .
949source ${makesrcdir}/.gdbinit
950EOF
951 ;;
952 esac
953 fi
954
955 # Install a makefile, and make it set VPATH
956 # if necessary so that the sources are found.
957 # Also change its value of srcdir.
958 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
959 # been somewhat optimized and is perhaps a bit twisty.
960
961 # code is order so as to try to sed the smallest input files we know.
962
963 # the four makefile fragments MUST end up in the resulting Makefile in this order:
964 # package, target, host, and site. so do these separately because I don't trust the
965 # order of sed -e expressions.
966
967 if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
968
969 # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
970 rm -f ${subdir}/Makefile.tem
971 case "${site}" in
972 "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
973 *)
974 site_makefile_frag=${srcdir}/config/ms-${site}
975
976 if [ -f ${site_makefile_frag} ] ; then
977 sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
978 > ${subdir}/Makefile.tem
979 else
980 cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
981 site_makefile_frag=
982 fi
983 ;;
984 esac
985 # working copy now in ${subdir}/Makefile.tem
986
987 # Conditionalize the makefile for this host.
988 rm -f ${Makefile}
989 case "${host_makefile_frag}" in
990 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
991 *)
992 if [ ! -f ${host_makefile_frag} ] ; then
993 host_makefile_frag=${srcdir}/${host_makefile_frag}
994 fi
995 if [ -f ${host_makefile_frag} ] ; then
996 sed -e "/^####/ r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
997 else
998 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
999 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1000 mv ${subdir}/Makefile.tem ${Makefile}
1001 fi
1002 esac
1003 # working copy now in ${Makefile}
1004
1005 # Conditionalize the makefile for this target.
1006 rm -f ${subdir}/Makefile.tem
1007 case "${target_makefile_frag}" in
1008 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1009 *)
1010 if [ ! -f ${target_makefile_frag} ] ; then
1011 target_makefile_frag=${srcdir}/${target_makefile_frag}
1012 fi
1013 if [ -f ${target_makefile_frag} ] ; then
1014 sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1015 else
1016 mv ${Makefile} ${subdir}/Makefile.tem
1017 target_makefile_frag=
1018 fi
1019 ;;
1020 esac
1021 # real copy now in ${subdir}/Makefile.tem
1022
1023 # Conditionalize the makefile for this package.
1024 rm -f ${Makefile}
1025 case "${package_makefile_frag}" in
1026 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1027 *)
1028 if [ ! -f ${package_makefile_frag} ] ; then
1029 package_makefile_frag=${srcdir}/${package_makefile_frag}
1030 fi
1031 if [ -f ${package_makefile_frag} ] ; then
1032 sed -e "/^####/ r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1033 rm -f ${subdir}/Makefile.tem
1034 else
1035 echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
1036 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1037 mv ${subdir}/Makefile.tem ${Makefile}
1038 fi
1039 esac
1040 # working copy now in ${Makefile}
1041
1042 mv ${Makefile} ${subdir}/Makefile.tem
1043
1044 # real copy now in ${subdir}/Makefile.tem
1045
1046 # prepend warning about editting, and a bunch of variables.
1047 rm -f ${Makefile}
1048 cat > ${Makefile} <<EOF
1049# ${NO_EDIT}
1050VPATH = ${makesrcdir}
1051links = ${configlinks}
1052host_alias = ${host_alias}
1053host_cpu = ${host_cpu}
1054host_vendor = ${host_vendor}
1055host_os = ${host_os}
1056host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1057target_alias = ${target_alias}
1058target_cpu = ${target_cpu}
1059target_vendor = ${target_vendor}
1060target_os = ${target_os}
1061target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1062EOF
1063 case "${build}" in
1064 "") ;;
1065 *) cat >> ${Makefile} << EOF
1066build_alias = ${build_alias}
1067build_cpu = ${build_cpu}
1068build_vendor = ${build_vendor}
1069build_os = ${build_os}
1070build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1071EOF
1072 esac
1073
1074 case "${package_makefile_frag}" in
1075 "") ;;
1076 /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1077 *) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1078 esac
1079
1080 case "${target_makefile_frag}" in
1081 "") ;;
1082 /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1083 *) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1084 esac
1085
1086 case "${host_makefile_frag}" in
1087 "") ;;
1088 /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1089 *) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1090 esac
1091
1092 if [ "${site_makefile_frag}" != "" ] ; then
1093 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1094 fi
1095
1096 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1097 # remove any form feeds.
1098 if [ -z "${subdirs}" ]; then
1099 rm -f ${subdir}/Makefile.tem2
1100 sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
1101 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1102 ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
1103 rm -f ${subdir}/Makefile.tem
1104 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
1105 fi
1106 sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
1107 -e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
1108 -e "/^CC[ ]*=/{
1109 :loop1
1110 /\\\\$/ N
1111 s/\\\\\\n//g
1112 t loop1
1113 s%^CC[ ]*=.*$%CC = ${CC}%
1114 }" \
1115 -e "/^CXX[ ]*=/{
1116 :loop2
1117 /\\\\$/ N
1118 s/\\\\\\n//g
1119 t loop2
1120 s%^CXX[ ]*=.*$%CXX = ${CXX}%
1121 }" \
1122 -e "s:^SHELL[ ]*=.*$:SHELL = ${config_shell}:" \
1123 -e "s:^GDB_TK[ ]*=.*$:GDB_TK = ${GDB_TK}:" \
1124 -e "s:^srcdir[ ]*=.*$:srcdir = ${makesrcdir}:" \
1125 -e "s/\f//" \
1126 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
1127 -e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
1128 -e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
1129 -e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
1130 -e "s:^DEFAULT_YACC[ ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1131 -e "s:^DEFAULT_LEX[ ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1132 ${subdir}/Makefile.tem >> ${Makefile}
1133
1134 # If this is a Canadian Cross, preset the values of many more
1135 # tools.
1136 if [ "${build}" != "${host}" ]; then
1137 for var in ${tools}; do
1138 val=`eval 'echo $'"${var}"`
1139 sed -e "/^${var}[ ]*=/{
1140 :loop1
1141 /\\\\$/ N
1142 /\\\\$/ b loop1
1143 s/\\\\\\n//g
1144 s%^${var}[ ]*=.*$%${var} = ${val}%
1145 }" ${Makefile} > ${Makefile}.tem
1146 mv -f ${Makefile}.tem ${Makefile}
1147 done
1148 fi
1149
1150 # final copy now in ${Makefile}
1151
1152 else
1153 echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1154 fi
1155
1156 rm -f ${subdir}/Makefile.tem
1157
1158 case "${host_makefile_frag}" in
1159 "") using= ;;
1160 *) using="and \"${host_makefile_frag}\"" ;;
1161 esac
1162
1163 case "${target_makefile_frag}" in
1164 "") ;;
1165 *) using="${using} and \"${target_makefile_frag}\"" ;;
1166 esac
1167
1168 case "${site_makefile_frag}" in
1169 "") ;;
1170 *) using="${using} and \"${site_makefile_frag}\"" ;;
1171 esac
1172
1173 newusing=`echo "${using}" | sed 's/and/using/'`
1174 using=${newusing}
1175 echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1176
1177 . ${tmpfile}.pos
1178
1179 # describe the chosen configuration in config.status.
1180 # Make that file a shellscript which will reestablish
1181 # the same configuration. Used in Makefiles to rebuild
1182 # Makefiles.
1183
1184 case "${norecursion}" in
1185 "") arguments="${arguments} --norecursion" ;;
1186 *) ;;
1187 esac
1188
1189 if [ ${subdir} = . ] ; then
1190 echo "#!/bin/sh
1191# ${NO_EDIT}
1192# This directory was configured as follows:
1193${progname}" ${arguments} "
1194# ${using}" > ${subdir}/config.new
1195 else
1196 echo "#!/bin/sh
1197# ${NO_EDIT}
1198# This directory was configured as follows:
1199cd ${invsubdir}
1200${progname}" ${arguments} "
1201# ${using}" > ${subdir}/config.new
1202 fi
1203 chmod a+x ${subdir}/config.new
1204 if [ -r ${subdir}/config.back ] ; then
1205 mv -f ${subdir}/config.back ${subdir}/config.status
1206 fi
1207 ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1208 ;;
1209
1210 *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1211 esac
1212done
1213
1214# If there are subdirectories, then recur.
1215if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1216 for configdir in ${configdirs} ; do
1217
1218 if [ -d ${srcdir}/${configdir} ] ; then
1219 eval echo Configuring ${configdir}... ${redirect}
1220 case "${srcdir}" in
1221 ".") ;;
1222 *)
1223 if [ ! -d ./${configdir} ] ; then
1224 if mkdir ./${configdir} ; then
1225 true
1226 else
1227 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1228 exit 1
1229 fi
1230 fi
1231 ;;
1232 esac
1233
1234 POPDIR=${PWD=`pwd`}
1235 cd ${configdir}
1236
1237### figure out what to do with srcdir
1238 case "${srcdir}" in
1239 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
1240 /*) # absolute path
1241 newsrcdir=${srcdir}/${configdir}
1242 srcdiroption="--srcdir=${newsrcdir}"
1243 ;;
1244 *) # otherwise relative
1245 newsrcdir=../${srcdir}/${configdir}
1246 srcdiroption="--srcdir=${newsrcdir}"
1247 ;;
1248 esac
1249
1250 # Handle --cache-file=../XXX
1251 case "${cache_file}" in
1252 "") # empty
1253 ;;
1254 /*) # absolute path
1255 cache_file_option="--cache-file=${cache_file}"
1256 ;;
1257 *) # relative path
1258 cache_file_option="--cache-file=../${cache_file}"
1259 ;;
1260 esac
1261
1262### check for guested configure, otherwise fix possibly relative progname
1263 if [ -f ${newsrcdir}/configure ] ; then
1264 recprog=${newsrcdir}/configure
1265 elif [ -f ${newsrcdir}/configure.in ] ; then
1266 case "${progname}" in
1267 /*) recprog=${progname} ;;
1268 *) recprog=../${progname} ;;
1269 esac
1270 else
1271 eval echo No configuration information in ${configdir} ${redirect}
1272 recprog=
1273 fi
1274
1275### The recursion line is here.
1276 if [ ! -z "${recprog}" ] ; then
1277 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1278 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1279 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1280 true
1281 else
1282 echo Configure in `pwd` failed, exiting. 1>&2
1283 exit 1
1284 fi
1285 fi
1286
1287 cd ${POPDIR}
1288 fi
1289 done
1290fi
1291
1292# Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1293# and reset the trap handler.
1294rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1295trap 0
1296
1297exit 0
1298
1299#
1300# Local Variables:
1301# fill-column: 131
1302# End:
1303#
1304
1305# end of configure
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