* decl.c (make_implicit_typename): Lose useless code.
[official-gcc.git] / configure
blobed54cedbde385ec914ae39d3e68ec2965340f6e2
1 #!/bin/sh
3 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
5 # Configuration script
6 # Copyright (C) 1988, 90, 91, 92, 93, 94, 95, 96, 1997
7 # Free Software Foundation, Inc.
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.
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.
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.
23 # This file was originally written by K. Richard Pixley.
26 # Shell script to create proper links to machine-dependent files in
27 # preparation for compilation.
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.
34 export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh $0 $argv; kill $$)
36 remove=rm
37 hard_link=ln
38 symbolic_link='ln -s'
40 #for Test
41 #remove="echo rm"
42 #hard_link="echo ln"
43 #symbolic_link="echo ln -s"
45 # clear some things potentially inherited from environment.
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 exec_prefix=
55 exec_prefixoption=
56 fatal=
57 floating_point=default
58 gas=default
59 host_alias=NOHOST
60 host_makefile_frag=
61 moveifchange=
62 norecursion=
63 other_options=
64 package_makefile_frag=
65 package_makefile_rules_frag=
66 prefix=/usr/local
67 progname=
68 program_prefix=
69 program_prefixoption=
70 program_suffix=
71 program_suffixoption=
72 program_transform_name=
73 program_transform_nameoption=
74 redirect=">/dev/null"
75 removing=
76 site=
77 site_makefile_frag=
78 site_option=
79 srcdir=
80 srctrigger=
81 subdirs=
82 target_alias=NOTARGET
83 target_makefile_frag=
84 undefs=NOUNDEFS
85 version="$Revision: 1.22 $"
86 x11=default
88 ### we might need to use some other shell than /bin/sh for running subshells
90 ### If we are on Windows, search for the shell. This will permit people
91 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
92 ### without also having to set CONFIG_SHELL. This code will work when
93 ### using bash, which sets OSTYPE.
94 case "${OSTYPE}" in
95 *win32*)
96 if [ x${CONFIG_SHELL} = x ]; then
97 if [ ! -f /bin/sh ]; then
98 if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
99 CONFIG_SHELL=${SHELL}
100 export CONFIG_SHELL
101 else
102 for prog in sh sh.exe bash bash.exe; do
103 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
104 for dir in $PATH; do
105 test -z "$dir" && dir=.
106 if test -f $dir/$prog; then
107 CONFIG_SHELL=$dir/$prog
108 export CONFIG_SHELL
109 break
111 done
112 IFS="$save_ifs"
113 test -n "${CONFIG_SHELL}" && break
114 done
119 esac
121 config_shell=${CONFIG_SHELL-/bin/sh}
123 NO_EDIT="This file was generated automatically by configure. Do not edit."
125 ## this is a little touchy and won't always work, but...
127 ## if the argv[0] starts with a slash then it is an absolute name that can (and
128 ## must) be used as is.
130 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
131 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
134 progname=$0
135 # if PWD already has a value, it is probably wrong.
136 if [ -n "$PWD" ]; then PWD=`pwd`; fi
138 case "${progname}" in
139 /*) ;;
140 */*) ;;
142 PATH=$PATH:${PWD=`pwd`} ; export PATH
144 esac
146 # Loop over all args
148 while :
151 # Break out if there are no more args
152 case $# in
154 break
156 esac
158 # Get the first arg, and shuffle
159 option=$1
160 shift
162 # Make all options have two hyphens
163 orig_option=$option # Save original for error messages
164 case $option in
165 --*) ;;
166 -*) option=-$option ;;
167 esac
169 # Split out the argument for options that take them
170 case $option in
171 --*=*)
172 optarg=`echo $option | sed -e 's/^[^=]*=//'`
173 arguments="$arguments $option"
175 # These options have mandatory values. Since we didn't find an = sign,
176 # the value must be in the next argument
177 --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*)
178 optarg=$1
179 shift
180 arguments="$arguments $option=$optarg"
182 --v)
183 arguments="$arguments -v"
185 --*)
186 arguments="$arguments $option"
188 esac
190 # Now, process the options
191 case $option in
193 --build* | --bu*)
194 case "$build_alias" in
195 "") build_alias=$optarg ;;
196 *) echo '***' Can only configure for one build machine at a time. 1>&2
197 fatal=yes
199 esac
201 --cache*)
202 cache_file=$optarg
204 --disable-*)
205 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
206 eval $enableopt=no
207 disableoptions="$disableoptions $option"
209 --enable-*)
210 case "$option" in
211 *=*) ;;
212 *) optarg=yes ;;
213 esac
215 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
216 eval "$enableopt='$optarg'"
217 enableoptions="$enableoptions '$option'"
219 --exec-prefix* | --ex*)
220 exec_prefix=$optarg
221 exec_prefixoption="--exec-prefix=$optarg"
223 --gas | --g*)
224 gas=yes
226 --help | --he*)
227 fatal=yes
229 --host* | --ho*)
230 case $host_alias in
231 NOHOST) host_alias=$optarg ;;
232 *) echo '***' Can only configure for one host at a time. 1>&2
233 fatal=yes
235 esac
237 --nfp | --nf*)
238 floating_point=no
239 floating_pointoption="--nfp"
241 --norecursion | --no*)
242 norecursion=yes
244 --prefix* | --pre*)
245 prefix=$optarg
246 prefixoption="--prefix=$optarg"
248 --program-prefix* | --program-p*)
249 program_prefix=$optarg
250 program_prefixoption="--program-prefix=$optarg"
252 --program-suffix* | --program-s*)
253 program_suffix=$optarg
254 program_suffixoption="--program-suffix=$optarg"
256 --program-transform-name* | --program-t*)
257 # Double any backslashes or dollar signs in the argument
258 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
259 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
261 --rm)
262 removing=--rm
264 --silent | --sil* | --quiet | --q*)
265 redirect=">/dev/null"
266 verbose=--silent
268 --site* | --sit*)
269 site=$optarg
270 site_option="--site=$optarg"
272 --srcdir*/ | --sr*/)
273 # Remove trailing slashes. Otherwise, when the file name gets
274 # bolted into an object file as debug info, it has two slashes
275 # in it. Ordinarily this is ok, but emacs takes double slash
276 # to mean "forget the first part".
277 srcdir=`echo $optarg | sed -e 's:/$::'`
279 --srcdir* | --sr*)
280 srcdir=$optarg
282 --target* | --ta*)
283 case $target_alias in
284 NOTARGET) target_alias=$optarg ;;
285 *) echo '***' Can only configure for one target at a time. 1>&2
286 fatal=yes
288 esac
290 --tmpdir* | --tm*)
291 TMPDIR=$optarg
292 tmpdiroption="--tmpdir=$optarg"
294 --verbose | --v | --verb*)
295 redirect=
296 verbose=--verbose
298 --version | --V | --vers*)
299 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
300 exit 0
302 --with-*)
303 case "$option" in
304 *=*) ;;
305 *) optarg=yes ;;
306 esac
308 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
309 eval $withopt="$optarg"
310 withoptions="$withoptions $option"
312 --without-*)
313 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
314 eval $withopt=no
315 withoutoptions="$withoutoptions $option"
317 --x) with_x=yes
318 withoptions="$withoptions --with-x"
320 --x-i* | --x-l*) other_options="$other_options $orig_option"
322 --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
323 # These options were added to autoconf for emacs.
325 --*)
326 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
327 exit 1
330 case $undefs in
331 NOUNDEFS) undefs=$option ;;
332 *) echo '***' Can only configure for one host and one target at a time. 1>&2
333 fatal=yes
335 esac
337 esac
338 done
340 # process host and target
342 # Do some error checking and defaulting for the host and target type.
343 # The inputs are:
344 # configure --host=HOST --target=TARGET UNDEFS
346 # The rules are:
347 # 1. You aren't allowed to specify --host, --target, and undefs at the
348 # same time.
349 # 2. Host defaults to undefs.
350 # 3. If undefs is not specified, then host defaults to the current host,
351 # as determined by config.guess.
352 # 4. Target defaults to undefs.
353 # 5. If undefs is not specified, then target defaults to host.
355 case "${fatal}" in
357 # Make sure that host, target & undefs aren't all specified at the
358 # same time.
359 case $host_alias---$target_alias---$undefs in
360 NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
362 *) echo '***' Can only configure for one host and one target at a time. 1>&2
363 fatal=yes
364 break 2
366 esac
368 # Now, do defaulting for host.
369 case $host_alias in
370 NOHOST)
371 case $undefs in
372 NOUNDEFS)
373 # Neither --host option nor undefs were present.
374 # Call config.guess.
375 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
376 if host_alias=`${config_shell} ${guesssys}`
377 then
378 # If the string we are going to use for
379 # the target is a prefix of the string
380 # we just guessed for the host, then
381 # assume we are running native, and force
382 # the same string for both target and host.
383 case $target_alias in
384 NOTARGET) ;;
386 if expr $host_alias : $target_alias >/dev/null
387 then
388 host_alias=$target_alias
391 esac
392 echo "Configuring for a ${host_alias} host." 1>&2
393 arguments="--host=$host_alias $arguments"
394 else
395 echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
396 fatal=yes
400 host_alias=$undefs
401 arguments="--host=$host_alias $arguments"
402 undefs=NOUNDEFS
404 esac
405 esac
407 # Do defaulting for target. If --target option isn't present, default
408 # to undefs. If undefs isn't present, default to host.
409 case $target_alias in
410 NOTARGET)
411 case $undefs in
412 NOUNDEFS)
413 target_alias=$host_alias
416 target_alias=$undefs
417 arguments="--target=$target_alias $arguments"
419 esac
420 esac
422 *) ;;
423 esac
425 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
426 exec 1>&2
427 echo Usage: configure [OPTIONS] [HOST]
428 echo
429 echo Options: [defaults in brackets]
430 echo ' --prefix=MYDIR install into MYDIR [/usr/local]'
431 echo ' --exec-prefix=MYDIR install host-dependent files into MYDIR [/usr/local]'
432 echo ' --help print this message [normal config]'
433 echo ' --build=BUILD configure for building on BUILD [BUILD=HOST]'
434 echo ' --host=HOST configure for HOST [determined via config.guess]'
435 echo ' --norecursion configure this directory only [recurse]'
436 echo ' --program-prefix=FOO prepend FOO to installed program names [""]'
437 echo ' --program-suffix=FOO append FOO to installed program names [""]'
438 echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
439 echo ' --site=SITE configure with site-specific makefile for SITE'
440 echo ' --srcdir=DIR find the sources in DIR [. or ..]'
441 echo ' --target=TARGET configure for TARGET [TARGET=HOST]'
442 echo ' --tmpdir=TMPDIR create temporary files in TMPDIR [/tmp]'
443 echo ' --nfp configure for software floating point [hard float]'
444 echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
445 echo ' --without-FOO package FOO is NOT available'
446 echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
447 echo ' --disable-FOO do not include feature FOO'
448 echo
449 echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
450 echo
451 if [ -r config.status ] ; then
452 cat config.status
455 exit 1
458 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
459 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
461 # this is a hack. sun4 must always be a valid host alias or this will fail.
462 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
463 true
464 else
465 echo '***' cannot find config.sub. 1>&2
466 exit 1
469 touch config.junk
470 if ${config_shell} ${moveifchange} config.junk config.trash ; then
471 true
472 else
473 echo '***' cannot find move-if-change. 1>&2
474 exit 1
476 rm -f config.junk config.trash
478 case "${srcdir}" in
480 if [ -r configure.in ] ; then
481 srcdir=.
482 else
483 if [ -r ${progname}.in ] ; then
484 srcdir=`echo ${progname} | sed 's:/configure$::'`
485 else
486 echo '***' "Can't find configure.in. Try using --srcdir=some_dir" 1>&2
487 exit 1
492 # Set srcdir to "." if that's what it is.
493 # This is important for multilib support.
494 if [ ! -d ${srcdir} ] ; then
495 echo "Invalid source directory ${srcdir}" >&2
496 exit 1
498 pwd=`pwd`
499 srcpwd=`cd ${srcdir} ; pwd`
500 if [ "${pwd}" = "${srcpwd}" ] ; then
501 srcdir=.
503 esac
505 ### warn about some conflicting configurations.
507 case "${srcdir}" in
508 ".") ;;
510 if [ -f ${srcdir}/config.status ] ; then
511 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
512 exit 1
514 esac
516 # default exec_prefix
517 case "${exec_prefixoption}" in
518 "") exec_prefix="\$(prefix)" ;;
519 *) ;;
520 esac
522 ### break up ${srcdir}/configure.in.
523 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
525 echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
526 # Check for a directory that's been converted to use autoconf since
527 # it was last configured.
528 if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
529 echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
530 if [ -r ${srcdir}/configure ] ; then
531 echo '***' Running the local configure script. 1>&2
532 case "${cache_file}" in
533 "") cache_file_option= ;;
534 *) cache_file_option="--cache-file=${cache_file}" ;;
535 esac
536 srcdiroption="--srcdir=${srcdir}"
537 case "${build_alias}" in
538 "") buildopt= ;;
539 *) buildopt="--build=${build_alias}" ;;
540 esac
541 eval exec ${config_shell} ${srcdir}/configure ${verbose} \
542 ${buildopt} --host=${host_alias} --target=${target_alias} \
543 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
544 ${srcdiroption} \
545 ${program_prefixoption} ${program_suffixoption} \
546 ${program_transform_nameoption} ${site_option} \
547 ${withoptions} ${withoutoptions} \
548 ${enableoptions} ${disableoptions} ${floating_pointoption} \
549 ${cache_file_option} ${removing} ${other_options} ${redirect}
550 else
551 echo '***' There is no configure script present though. 1>&2
554 exit 1
556 *) ;;
557 esac
559 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
561 echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
562 exit 1
564 *) ;;
565 esac
567 case "${TMPDIR}" in
568 "") TMPDIR=/tmp ; export TMPDIR ;;
569 *) ;;
570 esac
572 # keep this filename short for &%*%$*# 14 char file names
573 tmpfile=${TMPDIR}/cONf$$
574 # Note that under many versions of sh a trap handler for 0 will *override* any
575 # exit status you explicitly specify! At this point, the only non-error exit
576 # is at the end of the script; these actions are duplicated there, minus
577 # the "exit 1". Don't use "exit 0" anywhere after this without resetting the
578 # trap handler, or you'll lose.
579 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
581 # split ${srcdir}/configure.in into common, per-host, per-target,
582 # and post-target parts. Post-target is optional.
583 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
584 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
585 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
586 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
587 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
588 else
589 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
590 echo >${tmpfile}.pos
593 ### do common part of configure.in
595 . ${tmpfile}.com
597 # some sanity checks on configure.in
598 case "${srctrigger}" in
600 echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
601 exit 1
603 *) ;;
604 esac
606 case "${build_alias}" in
608 if result=`${config_shell} ${configsub} ${host_alias}` ; then
609 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
610 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
611 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
612 build=${build_cpu}-${build_vendor}-${build_os}
613 build_alias=${host_alias}
617 if result=`${config_shell} ${configsub} ${build_alias}` ; then
618 buildopt="--build=${build_alias}"
619 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
620 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
621 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
622 build=${build_cpu}-${build_vendor}-${build_os}
623 else
624 echo "Unrecognized build system name ${build_alias}." 1>&2
625 exit 1
628 esac
630 if result=`${config_shell} ${configsub} ${host_alias}` ; then
631 true
632 else
633 echo "Unrecognized host system name ${host_alias}." 1>&2
634 exit 1
636 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
637 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
638 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
639 host=${host_cpu}-${host_vendor}-${host_os}
641 . ${tmpfile}.hst
643 if result=`${config_shell} ${configsub} ${target_alias}` ; then
644 true
645 else
646 echo "Unrecognized target system name ${target_alias}." 1>&2
647 exit 1
649 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
650 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
651 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
652 target=${target_cpu}-${target_vendor}-${target_os}
654 . ${tmpfile}.tgt
656 # Find the source files, if location was not specified.
657 case "${srcdir}" in
659 srcdirdefaulted=1
660 srcdir=.
661 if [ ! -r ${srctrigger} ] ; then
662 srcdir=..
665 *) ;;
666 esac
668 if [ ! -r ${srcdir}/${srctrigger} ] ; then
669 case "${srcdirdefaulted}" in
670 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
671 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
672 esac
674 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
675 exit 1
678 # Some systems (e.g., one of the i386-aix systems the gas testers are
679 # using) don't handle "\$" correctly, so don't use it here.
680 tooldir='$(exec_prefix)'/${target_alias}
682 if [ "${host_alias}" != "${target_alias}" ] ; then
683 if [ "${program_prefixoption}" = "" ] ; then
684 if [ "${program_suffixoption}" = "" ] ; then
685 if [ "${program_transform_nameoption}" = "" ] ; then
686 program_prefix=${target_alias}- ;
692 # Merge program_prefix and program_suffix onto program_transform_name.
693 # (program_suffix used to use $, but it's hard to preserve $ through both
694 # make and sh.)
695 if [ "${program_suffix}" != "" ] ; then
696 program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
699 if [ "${program_prefix}" != "" ] ; then
700 program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
703 # If CC and CXX are not set in the environment, and the Makefile
704 # exists, try to extract them from it. This is to handle running
705 # ./config.status by hand.
706 if [ -z "${CC}" -a -r Makefile ]; then
707 sed -n -e ':loop
708 /\\$/ N
709 s/\\\n//g
710 t loop
711 /^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
712 CC=`tail -1 Makefile.cc`
713 rm -f Makefile.cc
716 if [ -z "${CFLAGS}" -a -r Makefile ]; then
717 sed -n -e ':loop
718 /\\$/ N
719 s/\\\n//g
720 t loop
721 /^CFLAGS[ ]*=/ s/CFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
722 CFLAGS=`tail -1 Makefile.cc`
723 rm -f Makefile.cc
726 if [ -z "${CXX}" -a -r Makefile ]; then
727 sed -n -e ':loop
728 /\\$/ N
729 s/\\\n//g
730 t loop
731 /^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
732 CXX=`tail -1 Makefile.cc`
733 rm -f Makefile.cc
736 if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
737 sed -n -e ':loop
738 /\\$/ N
739 s/\\\n//g
740 t loop
741 /^CXXFLAGS[ ]*=/ s/CXXFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
742 CXXFLAGS=`tail -1 Makefile.cc`
743 rm -f Makefile.cc
746 # Generate a default definition for YACC. This is used if the makefile can't
747 # locate bison or byacc in objdir.
749 for prog in 'bison -y' byacc yacc
751 set dummy $prog; tmp=$2
752 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
753 for dir in $PATH; do
754 test -z "$dir" && dir=.
755 if test -f $dir/$tmp; then
756 DEFAULT_YACC="$prog"
757 break
759 done
760 IFS="$save_ifs"
762 test -n "$DEFAULT_YACC" && break
763 done
765 # Generate a default definition for LEX. This is used if the makefile can't
766 # locate flex in objdir.
768 for prog in flex lex
770 set dummy $prog; tmp=$2
771 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
772 for dir in $PATH; do
773 test -z "$dir" && dir=.
774 if test -f $dir/$tmp; then
775 DEFAULT_LEX="$prog"
776 break
778 done
779 IFS="$save_ifs"
781 test -n "$DEFAULT_LEX" && break
782 done
784 if [ "${build}" != "${host}" ]; then
785 # If we are doing a Canadian Cross, in which the host and build systems
786 # are not the same, we set reasonable default values for the tools.
788 tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
789 tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
790 tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
791 tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
792 tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
793 tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
795 for var in ${tools}; do
796 if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
797 sed -n -e ':loop
798 /\\$/ N
799 s/\\\n//g
800 t loop
801 /^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
802 < Makefile > Makefile.v
803 t=`tail -1 Makefile.v`
804 if [ -n "${t}" ]; then
805 eval "${var}='${t}'"
807 rm -f Makefile.v
809 done
811 AR=${AR-${host_alias}-ar}
812 AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
813 AS=${AS-${host_alias}-as}
814 AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
815 BISON=${BISON-bison}
816 CC=${CC-${host_alias}-gcc}
817 CFLAGS=${CFLAGS-"-g -O2"}
818 CXX=${CXX-${host_alias}-c++}
819 CXXFLAGS=${CXXFLAGS-"-g -O2"}
820 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
821 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
822 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
823 DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
824 DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
825 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
826 HOST_PREFIX=${build_alias}-
827 HOST_PREFIX_1=${build_alias}-
828 LD=${LD-${host_alias}-ld}
829 LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
830 MAKEINFO=${MAKEINFO-makeinfo}
831 NM=${NM-${host_alias}-nm}
832 NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
833 RANLIB=${RANLIB-${host_alias}-ranlib}
834 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
835 WINDRES=${WINDRES-${host_alias}-windres}
836 WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
838 if [ -z "${YACC}" ]; then
839 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
840 for dir in $PATH; do
841 test -z "$dir" && dir=.
842 if test -f $dir/bison; then
843 YACC="bison -y"
844 break
846 if test -f $dir/byacc; then
847 YACC=byacc
848 break
850 if test -f $dir/yacc; then
851 YACC=yacc
852 break
854 done
855 IFS="$save_ifs"
856 if [ -z "${YACC}" ]; then
857 YACC="bison -y"
861 if [ -z "${LEX}" ]; then
862 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
863 for dir in $PATH; do
864 test -z "$dir" && dir=.
865 if test -f $dir/flex; then
866 LEX=flex
867 break
869 if test -f $dir/lex; then
870 LEX=lex
871 break
873 done
874 IFS="$save_ifs"
875 LEX=${LEX-flex}
878 # Export variables which autoconf might try to set.
879 export AS
880 export AR
881 export CC_FOR_BUILD
882 export DLLTOOL
883 export LD
884 export NM
885 export RANLIB
886 export WINDRES
887 else
888 # If CC is still not set, try to get gcc.
889 if [ -z "${CC}" ]; then
890 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
891 for dir in $PATH; do
892 test -z "$dir" && dir=.
893 if test -f $dir/gcc; then
894 CC="gcc"
895 echo 'void f(){}' > conftest.c
896 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
897 CFLAGS=${CFLAGS-"-g -O2"}
898 CXXFLAGS=${CFLAGS-"-g -O2"}
899 else
900 CFLAGS=${CFLAGS-"-O2"}
901 CXXFLAGS=${CFLAGS-"-O2"}
903 rm -f conftest*
904 break
906 done
907 IFS="$save_ifs"
908 CC=${CC-cc}
911 CXX=${CXX-"c++"}
912 CFLAGS=${CFLAGS-"-g"}
913 CXXFLAGS=${CXXFLAGS-"-g -O2"}
916 export CC
917 export CXX
918 export CFLAGS
919 export CXXFLAGS
921 # FIXME: This should be in configure.in, not configure
922 case "$host" in
923 *go32*)
924 enable_gdbtk=no ;;
925 *msdosdjgpp*)
926 enable_gdbtk=no ;;
927 *cygwin32*)
928 enable_gdbtk=no ;;
929 esac
931 # FIXME: This should be in configure.in, not configure
932 # Determine whether gdb needs tk/tcl or not.
933 if [ "$enable_gdbtk" != "no" ]; then
934 GDB_TK="all-tcl all-tk all-itcl all-tix"
935 else
936 GDB_TK=""
939 for subdir in . ${subdirs} ; do
941 # ${subdir} is relative path from . to the directory we're currently
942 # configuring.
943 # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
944 invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
946 ### figure out what to do with srcdir
947 case "${srcdir}" in
948 ".") # no -srcdir option. We're building in place.
949 makesrcdir=. ;;
950 /*) # absolute path
951 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
953 *) # otherwise relative
954 case "${subdir}" in
955 .) makesrcdir=${srcdir} ;;
956 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
957 esac
959 esac
961 if [ "${subdir}/" != "./" ] ; then
962 Makefile=${subdir}/Makefile
965 if [ ! -d ${subdir} ] ; then
966 if mkdir ${subdir} ; then
967 true
968 else
969 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
970 exit 1
974 case "${removing}" in
976 case "${subdir}" in
977 .) ;;
978 *) eval echo Building in ${subdir} ${redirect} ;;
979 esac
981 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
982 # Set up the list of links to be made.
983 # ${links} is the list of link names, and ${files} is the list of names to link to.
985 # Make the links.
986 configlinks="${links}"
987 if [ -r ${subdir}/config.status ] ; then
988 mv -f ${subdir}/config.status ${subdir}/config.back
990 while [ -n "${files}" ] ; do
991 # set file to car of files, files to cdr of files
992 set ${files}; file=$1; shift; files=$*
993 set ${links}; link=$1; shift; links=$*
995 if [ ! -r ${srcdir}/${file} ] ; then
996 if [ ! -r ${file} ] ; then
998 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
999 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1000 exit 1
1001 else
1002 srcfile=${file}
1004 else
1005 srcfile=${srcdir}/${file}
1008 ${remove} -f ${link}
1009 # Make a symlink if possible, otherwise try a hard link
1010 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1011 true
1012 else
1013 # We need to re-remove the file because Lynx leaves a
1014 # very strange directory there when it fails an NFS symlink.
1015 ${remove} -r -f ${link}
1016 ${hard_link} ${srcfile} ${link}
1018 if [ ! -r ${link} ] ; then
1019 echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1020 exit 1
1023 echo "Linked \"${link}\" to \"${srcfile}\"."
1024 done
1026 # Create a .gdbinit file which runs the one in srcdir
1027 # and tells GDB to look there for source files.
1029 if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1030 case ${srcdir} in
1031 .) ;;
1032 *) cat > ${subdir}/.gdbinit <<EOF
1033 # ${NO_EDIT}
1034 dir ${makesrcdir}
1035 dir .
1036 source ${makesrcdir}/.gdbinit
1039 esac
1042 # Install a makefile, and make it set VPATH
1043 # if necessary so that the sources are found.
1044 # Also change its value of srcdir.
1045 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
1046 # been somewhat optimized and is perhaps a bit twisty.
1048 # code is order so as to try to sed the smallest input files we know.
1049 # so do these separately because I don't trust the order of sed -e expressions.
1051 # the five makefile fragments MUST end up in the resulting Makefile in this order:
1052 # package macros, target, host, site, and package rules.
1054 if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1056 # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1057 rm -f ${subdir}/${Makefile}.tem
1058 case "${package_makefile_rules_frag}" in
1059 "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1061 if [ ! -f ${package_makefile_rules_frag} ] ; then
1062 package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1064 if [ -f ${package_makefile_rules_frag} ] ; then
1065 sed -e "/^####/ r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1066 else
1067 echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1068 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1069 cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1071 esac
1072 # working copy now in ${Makefile}.tem
1074 # Conditionalize for this site.
1075 rm -f ${Makefile}
1076 case "${site}" in
1077 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1079 site_makefile_frag=${srcdir}/config/ms-${site}
1081 if [ -f ${site_makefile_frag} ] ; then
1082 sed -e "/^####/ r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1083 > ${Makefile}
1084 else
1085 mv ${subdir}/Makefile.tem ${Makefile}
1086 site_makefile_frag=
1089 esac
1090 # working copy now in ${Makefile}
1092 # Conditionalize the makefile for this host.
1093 rm -f ${subdir}/Makefile.tem
1094 case "${host_makefile_frag}" in
1095 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1097 if [ ! -f ${host_makefile_frag} ] ; then
1098 host_makefile_frag=${srcdir}/${host_makefile_frag}
1100 if [ -f ${host_makefile_frag} ] ; then
1101 sed -e "/^####/ r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1102 else
1103 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1104 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1105 mv ${Makefile} ${subdir}/Makefile.tem
1107 esac
1108 # working copy now in ${subdir)/Makefile.tem
1110 # Conditionalize the makefile for this target.
1111 rm -f ${Makefile}
1112 case "${target_makefile_frag}" in
1113 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1115 if [ ! -f ${target_makefile_frag} ] ; then
1116 target_makefile_frag=${srcdir}/${target_makefile_frag}
1118 if [ -f ${target_makefile_frag} ] ; then
1119 sed -e "/^####/ r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1120 else
1121 mv ${subdir}/Makefile.tem ${Makefile}
1122 target_makefile_frag=
1125 esac
1126 # working copy now in ${Makefile}
1128 # Emit the default values of this package's macros.
1129 rm -f ${subdir}/Makefile.tem
1130 case "${package_makefile_frag}" in
1131 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1133 if [ ! -f ${package_makefile_frag} ] ; then
1134 package_makefile_frag=${srcdir}/${package_makefile_frag}
1136 if [ -f ${package_makefile_frag} ] ; then
1137 sed -e "/^####/ r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1138 else
1139 echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1140 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1141 mv ${Makefile} ${subdir}/Makefile.tem
1143 esac
1144 # real copy now in ${subdir}/Makefile.tem
1146 # prepend warning about editting, and a bunch of variables.
1147 rm -f ${Makefile}
1148 cat > ${Makefile} <<EOF
1149 # ${NO_EDIT}
1150 VPATH = ${makesrcdir}
1151 links = ${configlinks}
1152 host_alias = ${host_alias}
1153 host_cpu = ${host_cpu}
1154 host_vendor = ${host_vendor}
1155 host_os = ${host_os}
1156 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1157 target_alias = ${target_alias}
1158 target_cpu = ${target_cpu}
1159 target_vendor = ${target_vendor}
1160 target_os = ${target_os}
1161 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1163 case "${build}" in
1164 "") ;;
1165 *) cat >> ${Makefile} << EOF
1166 build_alias = ${build_alias}
1167 build_cpu = ${build_cpu}
1168 build_vendor = ${build_vendor}
1169 build_os = ${build_os}
1170 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1172 esac
1174 case "${package_makefile_frag}" in
1175 "") ;;
1176 /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1177 *) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1178 esac
1180 case "${target_makefile_frag}" in
1181 "") ;;
1182 /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1183 *) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1184 esac
1186 case "${host_makefile_frag}" in
1187 "") ;;
1188 /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1189 *) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1190 esac
1192 if [ "${site_makefile_frag}" != "" ] ; then
1193 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1196 # provide a proper gxx_include_dir to all subdirs.
1197 # Note, if you change the default, make sure to fix both here
1198 # and in the gcc subdirectory.
1199 if test -z "${with_gxx_include_dir}"; then
1200 echo gxx_include_dir = '${prefix}/include/g++' >> ${Makefile}
1201 else
1202 echo gxx_include_dir = ${with_gxx_include_dir} >> ${Makefile}
1205 # record if we want to build shared libs.
1206 if test -z "${enable_shared}"; then
1207 echo enable_shared = no >> ${Makefile}
1208 else
1209 echo enable_shared = ${enable_shared} >> ${Makefile}
1212 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1213 # remove any form feeds.
1214 if [ -z "${subdirs}" ]; then
1215 rm -f ${subdir}/Makefile.tm2
1216 sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
1217 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1218 ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1219 rm -f ${subdir}/Makefile.tem
1220 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1222 sed -e "s|^prefix[ ]*=.*$|prefix = ${prefix}|" \
1223 -e "s|^exec_prefix[ ]*=.*$|exec_prefix = ${exec_prefix}|" \
1224 -e "/^CC[ ]*=/{
1225 :loop1
1226 /\\\\$/ N
1227 s/\\\\\\n//g
1228 t loop1
1229 s%^CC[ ]*=.*$%CC = ${CC}%
1230 }" \
1231 -e "/^CXX[ ]*=/{
1232 :loop2
1233 /\\\\$/ N
1234 s/\\\\\\n//g
1235 t loop2
1236 s%^CXX[ ]*=.*$%CXX = ${CXX}%
1237 }" \
1238 -e "/^CFLAGS[ ]*=/{
1239 :loop3
1240 /\\\\$/ N
1241 s/\\\\\\n//g
1242 t loop3
1243 s%^CFLAGS[ ]*=.*$%CFLAGS = ${CFLAGS}%
1244 }" \
1245 -e "/^CXXFLAGS[ ]*=/{
1246 :loop4
1247 /\\\\$/ N
1248 s/\\\\\\n//g
1249 t loop4
1250 s%^CXXFLAGS[ ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1251 }" \
1252 -e "s|^SHELL[ ]*=.*$|SHELL = ${config_shell}|" \
1253 -e "s:^GDB_TK[ ]*=.*$:GDB_TK = ${GDB_TK}:" \
1254 -e "s|^srcdir[ ]*=.*$|srcdir = ${makesrcdir}|" \
1255 -e "s/\f//" \
1256 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
1257 -e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
1258 -e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
1259 -e "s|^tooldir[ ]*=.*$|tooldir = ${tooldir}|" \
1260 -e "s:^DEFAULT_YACC[ ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1261 -e "s:^DEFAULT_LEX[ ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1262 ${subdir}/Makefile.tem >> ${Makefile}
1264 # If this is a Canadian Cross, preset the values of many more
1265 # tools.
1266 if [ "${build}" != "${host}" ]; then
1267 for var in ${tools}; do
1268 val=`eval 'echo $'"${var}"`
1269 sed -e "/^${var}[ ]*=/{
1270 :loop1
1271 /\\\\$/ N
1272 /\\\\$/ b loop1
1273 s/\\\\\\n//g
1274 s%^${var}[ ]*=.*$%${var} = ${val}%
1275 }" ${Makefile} > ${Makefile}.tem
1276 mv -f ${Makefile}.tem ${Makefile}
1277 done
1280 # final copy now in ${Makefile}
1282 else
1283 echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1286 rm -f ${subdir}/Makefile.tem
1288 case "${host_makefile_frag}" in
1289 "") using= ;;
1290 *) using="and \"${host_makefile_frag}\"" ;;
1291 esac
1293 case "${target_makefile_frag}" in
1294 "") ;;
1295 *) using="${using} and \"${target_makefile_frag}\"" ;;
1296 esac
1298 case "${site_makefile_frag}" in
1299 "") ;;
1300 *) using="${using} and \"${site_makefile_frag}\"" ;;
1301 esac
1303 newusing=`echo "${using}" | sed 's/and/using/'`
1304 using=${newusing}
1305 echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1307 . ${tmpfile}.pos
1309 # describe the chosen configuration in config.status.
1310 # Make that file a shellscript which will reestablish
1311 # the same configuration. Used in Makefiles to rebuild
1312 # Makefiles.
1314 case "${norecursion}" in
1315 "") arguments="${arguments} --norecursion" ;;
1316 *) ;;
1317 esac
1319 if [ ${subdir} = . ] ; then
1320 echo "#!/bin/sh
1321 # ${NO_EDIT}
1322 # This directory was configured as follows:
1323 ${progname}" ${arguments} "
1324 # ${using}" > ${subdir}/config.new
1325 else
1326 echo "#!/bin/sh
1327 # ${NO_EDIT}
1328 # This directory was configured as follows:
1329 cd ${invsubdir}
1330 ${progname}" ${arguments} "
1331 # ${using}" > ${subdir}/config.new
1333 chmod a+x ${subdir}/config.new
1334 if [ -r ${subdir}/config.back ] ; then
1335 mv -f ${subdir}/config.back ${subdir}/config.status
1337 ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1340 *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1341 esac
1342 done
1344 # If there are subdirectories, then recur.
1345 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1346 for configdir in ${configdirs} ; do
1348 if [ -d ${srcdir}/${configdir} ] ; then
1349 eval echo Configuring ${configdir}... ${redirect}
1350 case "${srcdir}" in
1351 ".") ;;
1353 if [ ! -d ./${configdir} ] ; then
1354 if mkdir ./${configdir} ; then
1355 true
1356 else
1357 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1358 exit 1
1362 esac
1364 POPDIR=${PWD=`pwd`}
1365 cd ${configdir}
1367 ### figure out what to do with srcdir
1368 case "${srcdir}" in
1369 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
1370 /*) # absolute path
1371 newsrcdir=${srcdir}/${configdir}
1372 srcdiroption="--srcdir=${newsrcdir}"
1374 ?:*) # absolute path on win32
1375 newsrcdir=${srcdir}/${configdir}
1376 srcdiroption="--srcdir=${newsrcdir}"
1378 *) # otherwise relative
1379 newsrcdir=../${srcdir}/${configdir}
1380 srcdiroption="--srcdir=${newsrcdir}"
1382 esac
1384 # Handle --cache-file=../XXX
1385 case "${cache_file}" in
1386 "") # empty
1388 /*) # absolute path
1389 cache_file_option="--cache-file=${cache_file}"
1391 ?:*) # absolute path on win32
1392 cache_file_option="--cache-file=${cache_file}"
1394 *) # relative path
1395 cache_file_option="--cache-file=../${cache_file}"
1397 esac
1399 ### check for guested configure, otherwise fix possibly relative progname
1400 if [ -f ${newsrcdir}/configure ] ; then
1401 recprog=${newsrcdir}/configure
1402 elif [ -f ${newsrcdir}/configure.in ] ; then
1403 case "${progname}" in
1404 /*) recprog=${progname} ;;
1405 ?:*) recprog=${progname} ;;
1406 *) recprog=../${progname} ;;
1407 esac
1408 else
1409 eval echo No configuration information in ${configdir} ${redirect}
1410 recprog=
1413 ### The recursion line is here.
1414 if [ ! -z "${recprog}" ] ; then
1415 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1416 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1417 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1418 true
1419 else
1420 echo Configure in `pwd` failed, exiting. 1>&2
1421 exit 1
1425 cd ${POPDIR}
1427 done
1430 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1431 # and reset the trap handler.
1432 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1433 trap 0
1435 exit 0
1438 # Local Variables:
1439 # fill-column: 131
1440 # End:
1443 # end of configure