* Makefile.in (INSTALL_TARGET): Do install-gcc first.
[official-gcc.git] / configure
blobdd9ed1d20b38a40b277ce3315ab3aab06df70ad4
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 prefix=/usr/local
66 progname=
67 program_prefix=
68 program_prefixoption=
69 program_suffix=
70 program_suffixoption=
71 program_transform_name=
72 program_transform_nameoption=
73 redirect=">/dev/null"
74 removing=
75 site=
76 site_makefile_frag=
77 site_option=
78 srcdir=
79 srctrigger=
80 subdirs=
81 target_alias=NOTARGET
82 target_makefile_frag=
83 undefs=NOUNDEFS
84 version="$Revision: 1.2 $"
85 x11=default
87 ### we might need to use some other shell than /bin/sh for running subshells
89 ### If we are on Windows, search for the shell. This will permit people
90 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
91 ### without also having to set CONFIG_SHELL. This code will work when
92 ### using bash, which sets OSTYPE.
93 case "${OSTYPE}" in
94 *win32*)
95 if [ x${CONFIG_SHELL} = x ]; then
96 if [ ! -f /bin/sh ]; then
97 if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
98 CONFIG_SHELL=${SHELL}
99 export CONFIG_SHELL
100 else
101 for prog in sh sh.exe bash bash.exe; do
102 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
103 for dir in $PATH; do
104 test -z "$dir" && dir=.
105 if test -f $dir/$prog; then
106 CONFIG_SHELL=$dir/$prog
107 export CONFIG_SHELL
108 break
110 done
111 IFS="$save_ifs"
112 test -n "${CONFIG_SHELL}" && break
113 done
118 esac
120 config_shell=${CONFIG_SHELL-/bin/sh}
122 NO_EDIT="This file was generated automatically by configure. Do not edit."
124 ## this is a little touchy and won't always work, but...
126 ## if the argv[0] starts with a slash then it is an absolute name that can (and
127 ## must) be used as is.
129 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
130 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
133 progname=$0
134 # if PWD already has a value, it is probably wrong.
135 if [ -n "$PWD" ]; then PWD=`pwd`; fi
137 case "${progname}" in
138 /*) ;;
139 */*) ;;
141 PATH=$PATH:${PWD=`pwd`} ; export PATH
143 esac
145 # Loop over all args
147 while :
150 # Break out if there are no more args
151 case $# in
153 break
155 esac
157 # Get the first arg, and shuffle
158 option=$1
159 shift
161 # Make all options have two hyphens
162 orig_option=$option # Save original for error messages
163 case $option in
164 --*) ;;
165 -*) option=-$option ;;
166 esac
168 # Split out the argument for options that take them
169 case $option in
170 --*=*)
171 optarg=`echo $option | sed -e 's/^[^=]*=//'`
172 arguments="$arguments $option"
174 # These options have mandatory values. Since we didn't find an = sign,
175 # the value must be in the next argument
176 --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*)
177 optarg=$1
178 shift
179 arguments="$arguments $option=$optarg"
181 --v)
182 arguments="$arguments -v"
184 --*)
185 arguments="$arguments $option"
187 esac
189 # Now, process the options
190 case $option in
192 --build* | --bu*)
193 case "$build_alias" in
194 "") build_alias=$optarg ;;
195 *) echo '***' Can only configure for one build machine at a time. 1>&2
196 fatal=yes
198 esac
200 --cache*)
201 cache_file=$optarg
203 --disable-*)
204 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
205 eval $enableopt=no
206 disableoptions="$disableoptions $option"
208 --enable-*)
209 case "$option" in
210 *=*) ;;
211 *) optarg=yes ;;
212 esac
214 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
215 eval "$enableopt='$optarg'"
216 enableoptions="$enableoptions '$option'"
218 --exec-prefix* | --ex*)
219 exec_prefix=$optarg
220 exec_prefixoption="--exec-prefix=$optarg"
222 --gas | --g*)
223 gas=yes
225 --help | --he*)
226 fatal=yes
228 --host* | --ho*)
229 case $host_alias in
230 NOHOST) host_alias=$optarg ;;
231 *) echo '***' Can only configure for one host at a time. 1>&2
232 fatal=yes
234 esac
236 --nfp | --nf*)
237 floating_point=no
238 floating_pointoption="--nfp"
240 --norecursion | --no*)
241 norecursion=yes
243 --prefix* | --pre*)
244 prefix=$optarg
245 prefixoption="--prefix=$optarg"
247 --program-prefix* | --program-p*)
248 program_prefix=$optarg
249 program_prefixoption="--program-prefix=$optarg"
251 --program-suffix* | --program-s*)
252 program_suffix=$optarg
253 program_suffixoption="--program-suffix=$optarg"
255 --program-transform-name* | --program-t*)
256 # Double any backslashes or dollar signs in the argument
257 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
258 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
260 --rm)
261 removing=--rm
263 --silent | --sil* | --quiet | --q*)
264 redirect=">/dev/null"
265 verbose=--silent
267 --site* | --sit*)
268 site=$optarg
269 site_option="--site=$optarg"
271 --srcdir*/ | --sr*/)
272 # Remove trailing slashes. Otherwise, when the file name gets
273 # bolted into an object file as debug info, it has two slashes
274 # in it. Ordinarily this is ok, but emacs takes double slash
275 # to mean "forget the first part".
276 srcdir=`echo $optarg | sed -e 's:/$::'`
278 --srcdir* | --sr*)
279 srcdir=$optarg
281 --target* | --ta*)
282 case $target_alias in
283 NOTARGET) target_alias=$optarg ;;
284 *) echo '***' Can only configure for one target at a time. 1>&2
285 fatal=yes
287 esac
289 --tmpdir* | --tm*)
290 TMPDIR=$optarg
291 tmpdiroption="--tmpdir=$optarg"
293 --verbose | --v | --verb*)
294 redirect=
295 verbose=--verbose
297 --version | --V | --vers*)
298 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
299 exit 0
301 --with-*)
302 case "$option" in
303 *=*) ;;
304 *) optarg=yes ;;
305 esac
307 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
308 eval $withopt="$optarg"
309 withoptions="$withoptions $option"
311 --without-*)
312 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
313 eval $withopt=no
314 withoutoptions="$withoutoptions $option"
316 --x) with_x=yes
317 withoptions="$withoptions --with-x"
319 --x-i* | --x-l*) other_options="$other_options $orig_option"
321 --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
322 # These options were added to autoconf for emacs.
324 --*)
325 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
326 exit 1
329 case $undefs in
330 NOUNDEFS) undefs=$option ;;
331 *) echo '***' Can only configure for one host and one target at a time. 1>&2
332 fatal=yes
334 esac
336 esac
337 done
339 # process host and target
341 # Do some error checking and defaulting for the host and target type.
342 # The inputs are:
343 # configure --host=HOST --target=TARGET UNDEFS
345 # The rules are:
346 # 1. You aren't allowed to specify --host, --target, and undefs at the
347 # same time.
348 # 2. Host defaults to undefs.
349 # 3. If undefs is not specified, then host defaults to the current host,
350 # as determined by config.guess.
351 # 4. Target defaults to undefs.
352 # 5. If undefs is not specified, then target defaults to host.
354 case "${fatal}" in
356 # Make sure that host, target & undefs aren't all specified at the
357 # same time.
358 case $host_alias---$target_alias---$undefs in
359 NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
361 *) echo '***' Can only configure for one host and one target at a time. 1>&2
362 fatal=yes
363 break 2
365 esac
367 # Now, do defaulting for host.
368 case $host_alias in
369 NOHOST)
370 case $undefs in
371 NOUNDEFS)
372 # Neither --host option nor undefs were present.
373 # Call config.guess.
374 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
375 if host_alias=`${config_shell} ${guesssys}`
376 then
377 # If the string we are going to use for
378 # the target is a prefix of the string
379 # we just guessed for the host, then
380 # assume we are running native, and force
381 # the same string for both target and host.
382 case $target_alias in
383 NOTARGET) ;;
385 if expr $host_alias : $target_alias >/dev/null
386 then
387 host_alias=$target_alias
390 esac
391 echo "Configuring for a ${host_alias} host." 1>&2
392 arguments="--host=$host_alias $arguments"
393 else
394 echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
395 fatal=yes
399 host_alias=$undefs
400 arguments="--host=$host_alias $arguments"
401 undefs=NOUNDEFS
403 esac
404 esac
406 # Do defaulting for target. If --target option isn't present, default
407 # to undefs. If undefs isn't present, default to host.
408 case $target_alias in
409 NOTARGET)
410 case $undefs in
411 NOUNDEFS)
412 target_alias=$host_alias
415 target_alias=$undefs
416 arguments="--target=$target_alias $arguments"
418 esac
419 esac
421 *) ;;
422 esac
424 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
425 exec 1>&2
426 echo Usage: configure [OPTIONS] [HOST]
427 echo
428 echo Options: [defaults in brackets]
429 echo ' --prefix=MYDIR install into MYDIR [/usr/local]'
430 echo ' --exec-prefix=MYDIR install host-dependent files into MYDIR [/usr/local]'
431 echo ' --help print this message [normal config]'
432 echo ' --build=BUILD configure for building on BUILD [BUILD=HOST]'
433 echo ' --host=HOST configure for HOST [determined via config.guess]'
434 echo ' --norecursion configure this directory only [recurse]'
435 echo ' --program-prefix=FOO prepend FOO to installed program names [""]'
436 echo ' --program-suffix=FOO append FOO to installed program names [""]'
437 echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
438 echo ' --site=SITE configure with site-specific makefile for SITE'
439 echo ' --srcdir=DIR find the sources in DIR [. or ..]'
440 echo ' --target=TARGET configure for TARGET [TARGET=HOST]'
441 echo ' --tmpdir=TMPDIR create temporary files in TMPDIR [/tmp]'
442 echo ' --nfp configure for software floating point [hard float]'
443 echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
444 echo ' --without-FOO package FOO is NOT available'
445 echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
446 echo ' --disable-FOO do not include feature FOO'
447 echo
448 echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
449 echo
450 if [ -r config.status ] ; then
451 cat config.status
454 exit 1
457 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
458 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
460 # this is a hack. sun4 must always be a valid host alias or this will fail.
461 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
462 true
463 else
464 echo '***' cannot find config.sub. 1>&2
465 exit 1
468 touch config.junk
469 if ${config_shell} ${moveifchange} config.junk config.trash ; then
470 true
471 else
472 echo '***' cannot find move-if-change. 1>&2
473 exit 1
475 rm -f config.junk config.trash
477 case "${srcdir}" in
479 if [ -r configure.in ] ; then
480 srcdir=.
481 else
482 if [ -r ${progname}.in ] ; then
483 srcdir=`echo ${progname} | sed 's:/configure$::'`
484 else
485 echo '***' "Can't find configure.in. Try using --srcdir=some_dir" 1>&2
486 exit 1
491 # Set srcdir to "." if that's what it is.
492 # This is important for multilib support.
493 if [ ! -d ${srcdir} ] ; then
494 echo "Invalid source directory ${srcdir}" >&2
495 exit 1
497 pwd=`pwd`
498 srcpwd=`cd ${srcdir} ; pwd`
499 if [ "${pwd}" = "${srcpwd}" ] ; then
500 srcdir=.
502 esac
504 ### warn about some conflicting configurations.
506 case "${srcdir}" in
507 ".") ;;
509 if [ -f ${srcdir}/config.status ] ; then
510 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
511 exit 1
513 esac
515 # default exec_prefix
516 case "${exec_prefixoption}" in
517 "") exec_prefix="\$(prefix)" ;;
518 *) ;;
519 esac
521 ### break up ${srcdir}/configure.in.
522 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
524 echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
525 # Check for a directory that's been converted to use autoconf since
526 # it was last configured.
527 if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
528 echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
529 if [ -r ${srcdir}/configure ] ; then
530 echo '***' Running the local configure script. 1>&2
531 case "${cache_file}" in
532 "") cache_file_option= ;;
533 *) cache_file_option="--cache-file=${cache_file}" ;;
534 esac
535 srcdiroption="--srcdir=${srcdir}"
536 case "${build_alias}" in
537 "") buildopt= ;;
538 *) buildopt="--build=${build_alias}" ;;
539 esac
540 eval exec ${config_shell} ${srcdir}/configure ${verbose} \
541 ${buildopt} --host=${host_alias} --target=${target_alias} \
542 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
543 ${srcdiroption} \
544 ${program_prefixoption} ${program_suffixoption} \
545 ${program_transform_nameoption} ${site_option} \
546 ${withoptions} ${withoutoptions} \
547 ${enableoptions} ${disableoptions} ${floating_pointoption} \
548 ${cache_file_option} ${removing} ${other_options} ${redirect}
549 else
550 echo '***' There is no configure script present though. 1>&2
553 exit 1
555 *) ;;
556 esac
558 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
560 echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
561 exit 1
563 *) ;;
564 esac
566 case "${TMPDIR}" in
567 "") TMPDIR=/tmp ; export TMPDIR ;;
568 *) ;;
569 esac
571 # keep this filename short for &%*%$*# 14 char file names
572 tmpfile=${TMPDIR}/cONf$$
573 # Note that under many versions of sh a trap handler for 0 will *override* any
574 # exit status you explicitly specify! At this point, the only non-error exit
575 # is at the end of the script; these actions are duplicated there, minus
576 # the "exit 1". Don't use "exit 0" anywhere after this without resetting the
577 # trap handler, or you'll lose.
578 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
580 # split ${srcdir}/configure.in into common, per-host, per-target,
581 # and post-target parts. Post-target is optional.
582 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
583 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
584 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
585 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
586 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
587 else
588 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
589 echo >${tmpfile}.pos
592 ### do common part of configure.in
594 . ${tmpfile}.com
596 # some sanity checks on configure.in
597 case "${srctrigger}" in
599 echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
600 exit 1
602 *) ;;
603 esac
605 case "${build_alias}" in
607 if result=`${config_shell} ${configsub} ${host_alias}` ; then
608 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
609 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
610 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
611 build=${build_cpu}-${build_vendor}-${build_os}
612 build_alias=${host_alias}
616 if result=`${config_shell} ${configsub} ${build_alias}` ; then
617 buildopt="--build=${build_alias}"
618 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
619 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
620 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
621 build=${build_cpu}-${build_vendor}-${build_os}
622 else
623 echo "Unrecognized build system name ${build_alias}." 1>&2
624 exit 1
627 esac
629 if result=`${config_shell} ${configsub} ${host_alias}` ; then
630 true
631 else
632 echo "Unrecognized host system name ${host_alias}." 1>&2
633 exit 1
635 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
636 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
637 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
638 host=${host_cpu}-${host_vendor}-${host_os}
640 . ${tmpfile}.hst
642 if result=`${config_shell} ${configsub} ${target_alias}` ; then
643 true
644 else
645 echo "Unrecognized target system name ${target_alias}." 1>&2
646 exit 1
648 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
649 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
650 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
651 target=${target_cpu}-${target_vendor}-${target_os}
653 . ${tmpfile}.tgt
655 # Find the source files, if location was not specified.
656 case "${srcdir}" in
658 srcdirdefaulted=1
659 srcdir=.
660 if [ ! -r ${srctrigger} ] ; then
661 srcdir=..
664 *) ;;
665 esac
667 if [ ! -r ${srcdir}/${srctrigger} ] ; then
668 case "${srcdirdefaulted}" in
669 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
670 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
671 esac
673 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
674 exit 1
677 # Some systems (e.g., one of the i386-aix systems the gas testers are
678 # using) don't handle "\$" correctly, so don't use it here.
679 tooldir='$(exec_prefix)'/${target_alias}
681 if [ "${host_alias}" != "${target_alias}" ] ; then
682 if [ "${program_prefixoption}" = "" ] ; then
683 if [ "${program_suffixoption}" = "" ] ; then
684 if [ "${program_transform_nameoption}" = "" ] ; then
685 program_prefix=${target_alias}- ;
691 # Merge program_prefix and program_suffix onto program_transform_name.
692 # (program_suffix used to use $, but it's hard to preserve $ through both
693 # make and sh.)
694 if [ "${program_suffix}" != "" ] ; then
695 program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
698 if [ "${program_prefix}" != "" ] ; then
699 program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
702 # If CC and CXX are not set in the environment, and the Makefile
703 # exists, try to extract them from it. This is to handle running
704 # ./config.status by hand.
705 if [ -z "${CC}" -a -r Makefile ]; then
706 sed -n -e ':loop
707 /\\$/ N
708 s/\\\n//g
709 t loop
710 /^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
711 CC=`tail -1 Makefile.cc`
712 rm -f Makefile.cc
715 if [ -z "${CFLAGS}" -a -r Makefile ]; then
716 sed -n -e ':loop
717 /\\$/ N
718 s/\\\n//g
719 t loop
720 /^CFLAGS[ ]*=/ s/CFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
721 CFLAGS=`tail -1 Makefile.cc`
722 rm -f Makefile.cc
725 if [ -z "${CXX}" -a -r Makefile ]; then
726 sed -n -e ':loop
727 /\\$/ N
728 s/\\\n//g
729 t loop
730 /^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
731 CXX=`tail -1 Makefile.cc`
732 rm -f Makefile.cc
735 if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
736 sed -n -e ':loop
737 /\\$/ N
738 s/\\\n//g
739 t loop
740 /^CXXFLAGS[ ]*=/ s/CXXFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
741 CXXFLAGS=`tail -1 Makefile.cc`
742 rm -f Makefile.cc
745 # Generate a default definition for YACC. This is used if the makefile can't
746 # locate bison or byacc in objdir.
748 for prog in 'bison -y' byacc yacc
750 set dummy $prog; tmp=$2
751 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
752 for dir in $PATH; do
753 test -z "$dir" && dir=.
754 if test -f $dir/$tmp; then
755 DEFAULT_YACC="$prog"
756 break
758 done
759 IFS="$save_ifs"
761 test -n "$DEFAULT_YACC" && break
762 done
764 # Generate a default definition for LEX. This is used if the makefile can't
765 # locate flex in objdir.
767 for prog in flex lex
769 set dummy $prog; tmp=$2
770 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
771 for dir in $PATH; do
772 test -z "$dir" && dir=.
773 if test -f $dir/$tmp; then
774 DEFAULT_LEX="$prog"
775 break
777 done
778 IFS="$save_ifs"
780 test -n "$DEFAULT_LEX" && break
781 done
783 if [ "${build}" != "${host}" ]; then
784 # If we are doing a Canadian Cross, in which the host and build systems
785 # are not the same, we set reasonable default values for the tools.
787 tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
788 tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
789 tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
790 tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
791 tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
792 tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
794 for var in ${tools}; do
795 if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
796 sed -n -e ':loop
797 /\\$/ N
798 s/\\\n//g
799 t loop
800 /^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
801 < Makefile > Makefile.v
802 t=`tail -1 Makefile.v`
803 if [ -n "${t}" ]; then
804 eval "${var}='${t}'"
806 rm -f Makefile.v
808 done
810 AR=${AR-${host_alias}-ar}
811 AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
812 AS=${AS-${host_alias}-as}
813 AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
814 BISON=${BISON-bison}
815 CC=${CC-${host_alias}-gcc}
816 CFLAGS=${CFLAGS-"-g -O2"}
817 CXX=${CXX-${host_alias}-c++}
818 CXXFLAGS=${CXXFLAGS-"-g -O2"}
819 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
820 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
821 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
822 DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
823 DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
824 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
825 HOST_PREFIX=${build_alias}-
826 HOST_PREFIX_1=${build_alias}-
827 LD=${LD-${host_alias}-ld}
828 LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
829 MAKEINFO=${MAKEINFO-makeinfo}
830 NM=${NM-${host_alias}-nm}
831 NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
832 RANLIB=${RANLIB-${host_alias}-ranlib}
833 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
834 WINDRES=${WINDRES-${host_alias}-windres}
835 WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
837 if [ -z "${YACC}" ]; then
838 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
839 for dir in $PATH; do
840 test -z "$dir" && dir=.
841 if test -f $dir/bison; then
842 YACC="bison -y"
843 break
845 if test -f $dir/byacc; then
846 YACC=byacc
847 break
849 if test -f $dir/yacc; then
850 YACC=yacc
851 break
853 done
854 IFS="$save_ifs"
855 if [ -z "${YACC}" ]; then
856 YACC="bison -y"
860 if [ -z "${LEX}" ]; then
861 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
862 for dir in $PATH; do
863 test -z "$dir" && dir=.
864 if test -f $dir/flex; then
865 LEX=flex
866 break
868 if test -f $dir/lex; then
869 LEX=lex
870 break
872 done
873 IFS="$save_ifs"
874 LEX=${LEX-flex}
877 # Export variables which autoconf might try to set.
878 export AS
879 export AR
880 export CC_FOR_BUILD
881 export DLLTOOL
882 export LD
883 export NM
884 export RANLIB
885 export WINDRES
886 else
887 # If CC is still not set, try to get gcc.
888 if [ -z "${CC}" ]; then
889 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
890 for dir in $PATH; do
891 test -z "$dir" && dir=.
892 if test -f $dir/gcc; then
893 CC="gcc"
894 echo 'void f(){}' > conftest.c
895 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
896 CFLAGS=${CFLAGS-"-g -O2"}
897 CXXFLAGS=${CFLAGS-"-g -O2"}
898 else
899 CFLAGS=${CFLAGS-"-O2"}
900 CXXFLAGS=${CFLAGS-"-O2"}
902 rm -f conftest*
903 break
905 done
906 IFS="$save_ifs"
907 CC=${CC-cc}
910 CXX=${CXX-"c++"}
911 CFLAGS=${CFLAGS-"-g"}
912 CXXFLAGS=${CXXFLAGS-"-g -O2"}
915 export CC
916 export CXX
917 export CFLAGS
918 export CXXFLAGS
920 # FIXME: This should be in configure.in, not configure
921 case "$host" in
922 *go32*)
923 enable_gdbtk=no ;;
924 *msdosdjgpp*)
925 enable_gdbtk=no ;;
926 *cygwin32*)
927 enable_gdbtk=no ;;
928 esac
930 # FIXME: This should be in configure.in, not configure
931 # Determine whether gdb needs tk/tcl or not.
932 if [ "$enable_gdbtk" != "no" ]; then
933 GDB_TK="all-tcl all-tk all-itcl all-tix"
934 else
935 GDB_TK=""
938 for subdir in . ${subdirs} ; do
940 # ${subdir} is relative path from . to the directory we're currently
941 # configuring.
942 # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
943 invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
945 ### figure out what to do with srcdir
946 case "${srcdir}" in
947 ".") # no -srcdir option. We're building in place.
948 makesrcdir=. ;;
949 /*) # absolute path
950 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
952 *) # otherwise relative
953 case "${subdir}" in
954 .) makesrcdir=${srcdir} ;;
955 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
956 esac
958 esac
960 if [ "${subdir}/" != "./" ] ; then
961 Makefile=${subdir}/Makefile
964 if [ ! -d ${subdir} ] ; then
965 if mkdir ${subdir} ; then
966 true
967 else
968 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
969 exit 1
973 case "${removing}" in
975 case "${subdir}" in
976 .) ;;
977 *) eval echo Building in ${subdir} ${redirect} ;;
978 esac
980 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
981 # Set up the list of links to be made.
982 # ${links} is the list of link names, and ${files} is the list of names to link to.
984 # Make the links.
985 configlinks="${links}"
986 if [ -r ${subdir}/config.status ] ; then
987 mv -f ${subdir}/config.status ${subdir}/config.back
989 while [ -n "${files}" ] ; do
990 # set file to car of files, files to cdr of files
991 set ${files}; file=$1; shift; files=$*
992 set ${links}; link=$1; shift; links=$*
994 if [ ! -r ${srcdir}/${file} ] ; then
995 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
996 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
997 exit 1
1000 ${remove} -f ${link}
1001 # Make a symlink if possible, otherwise try a hard link
1002 if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
1003 true
1004 else
1005 # We need to re-remove the file because Lynx leaves a
1006 # very strange directory there when it fails an NFS symlink.
1007 ${remove} -r -f ${link}
1008 ${hard_link} ${srcdir}/${file} ${link}
1010 if [ ! -r ${link} ] ; then
1011 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
1012 exit 1
1015 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
1016 done
1018 # Create a .gdbinit file which runs the one in srcdir
1019 # and tells GDB to look there for source files.
1021 if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1022 case ${srcdir} in
1023 .) ;;
1024 *) cat > ${subdir}/.gdbinit <<EOF
1025 # ${NO_EDIT}
1026 dir ${makesrcdir}
1027 dir .
1028 source ${makesrcdir}/.gdbinit
1031 esac
1034 # Install a makefile, and make it set VPATH
1035 # if necessary so that the sources are found.
1036 # Also change its value of srcdir.
1037 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
1038 # been somewhat optimized and is perhaps a bit twisty.
1040 # code is order so as to try to sed the smallest input files we know.
1042 # the four makefile fragments MUST end up in the resulting Makefile in this order:
1043 # package, target, host, and site. so do these separately because I don't trust the
1044 # order of sed -e expressions.
1046 if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1048 # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1049 rm -f ${subdir}/${Makefile}.tem
1050 case "${package_makefile_frag}" in
1051 "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1053 if [ ! -f ${package_makefile_frag} ] ; then
1054 package_makefile_frag=${srcdir}/${package_makefile_frag}
1056 if [ -f ${package_makefile_frag} ] ; then
1057 sed -e "/^####/ r ${package_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1058 else
1059 echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
1060 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1061 cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1063 esac
1064 # working copy now in ${Makefile}.tem
1066 # Conditionalize for this site.
1067 rm -f ${Makefile}
1068 case "${site}" in
1069 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1071 site_makefile_frag=${srcdir}/config/ms-${site}
1073 if [ -f ${site_makefile_frag} ] ; then
1074 sed -e "/^####/ r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1075 > ${Makefile}
1076 else
1077 mv ${subdir}/Makefile.tem ${Makefile}
1078 site_makefile_frag=
1081 esac
1082 # working copy now in ${Makefile}
1084 # Conditionalize the makefile for this host.
1085 rm -f ${subdir}/Makefile.tem
1086 case "${host_makefile_frag}" in
1087 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1089 if [ ! -f ${host_makefile_frag} ] ; then
1090 host_makefile_frag=${srcdir}/${host_makefile_frag}
1092 if [ -f ${host_makefile_frag} ] ; then
1093 sed -e "/^####/ r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1094 else
1095 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1096 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1097 mv ${Makefile} ${subdir}/Makefile.tem
1099 esac
1100 # working copy now in ${subdir)/Makefile.tem
1102 # Conditionalize the makefile for this target.
1103 rm -f ${Makefile}
1104 case "${target_makefile_frag}" in
1105 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1107 if [ ! -f ${target_makefile_frag} ] ; then
1108 target_makefile_frag=${srcdir}/${target_makefile_frag}
1110 if [ -f ${target_makefile_frag} ] ; then
1111 sed -e "/^####/ r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1112 else
1113 mv ${subdir}/Makefile.tem ${Makefile}
1114 target_makefile_frag=
1117 esac
1118 # real copy now in ${Makefile}
1120 mv ${Makefile} ${subdir}/Makefile.tem
1122 # real copy now in ${subdir}/Makefile.tem
1124 # prepend warning about editting, and a bunch of variables.
1125 rm -f ${Makefile}
1126 cat > ${Makefile} <<EOF
1127 # ${NO_EDIT}
1128 VPATH = ${makesrcdir}
1129 links = ${configlinks}
1130 host_alias = ${host_alias}
1131 host_cpu = ${host_cpu}
1132 host_vendor = ${host_vendor}
1133 host_os = ${host_os}
1134 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1135 target_alias = ${target_alias}
1136 target_cpu = ${target_cpu}
1137 target_vendor = ${target_vendor}
1138 target_os = ${target_os}
1139 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1141 case "${build}" in
1142 "") ;;
1143 *) cat >> ${Makefile} << EOF
1144 build_alias = ${build_alias}
1145 build_cpu = ${build_cpu}
1146 build_vendor = ${build_vendor}
1147 build_os = ${build_os}
1148 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1150 esac
1152 case "${package_makefile_frag}" in
1153 "") ;;
1154 /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1155 *) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1156 esac
1158 case "${target_makefile_frag}" in
1159 "") ;;
1160 /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1161 *) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1162 esac
1164 case "${host_makefile_frag}" in
1165 "") ;;
1166 /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1167 *) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1168 esac
1170 if [ "${site_makefile_frag}" != "" ] ; then
1171 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1174 # provide a proper gxx_include_dir to all subdirs.
1175 # Note, if you change the default, make sure to fix both here
1176 # and in the gcc subdirectory.
1177 if test -z "${gxx_include_dir}"; then
1178 echo gxx_include_dir = '${prefix}/include/g++' >> ${Makefile}
1179 else
1180 echo gxx_include_dir = ${gxx_include_dir} >> ${Makefile}
1183 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1184 # remove any form feeds.
1185 if [ -z "${subdirs}" ]; then
1186 rm -f ${subdir}/Makefile.tm2
1187 sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
1188 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1189 ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1190 rm -f ${subdir}/Makefile.tem
1191 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1193 sed -e "s|^prefix[ ]*=.*$|prefix = ${prefix}|" \
1194 -e "s|^exec_prefix[ ]*=.*$|exec_prefix = ${exec_prefix}|" \
1195 -e "/^CC[ ]*=/{
1196 :loop1
1197 /\\\\$/ N
1198 s/\\\\\\n//g
1199 t loop1
1200 s%^CC[ ]*=.*$%CC = ${CC}%
1201 }" \
1202 -e "/^CXX[ ]*=/{
1203 :loop2
1204 /\\\\$/ N
1205 s/\\\\\\n//g
1206 t loop2
1207 s%^CXX[ ]*=.*$%CXX = ${CXX}%
1208 }" \
1209 -e "/^CFLAGS[ ]*=/{
1210 :loop3
1211 /\\\\$/ N
1212 s/\\\\\\n//g
1213 t loop3
1214 s%^CFLAGS[ ]*=.*$%CFLAGS = ${CFLAGS}%
1215 }" \
1216 -e "/^CXXFLAGS[ ]*=/{
1217 :loop4
1218 /\\\\$/ N
1219 s/\\\\\\n//g
1220 t loop4
1221 s%^CXXFLAGS[ ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1222 }" \
1223 -e "s|^SHELL[ ]*=.*$|SHELL = ${config_shell}|" \
1224 -e "s:^GDB_TK[ ]*=.*$:GDB_TK = ${GDB_TK}:" \
1225 -e "s|^srcdir[ ]*=.*$|srcdir = ${makesrcdir}|" \
1226 -e "s/\f//" \
1227 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
1228 -e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
1229 -e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
1230 -e "s|^tooldir[ ]*=.*$|tooldir = ${tooldir}|" \
1231 -e "s:^DEFAULT_YACC[ ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1232 -e "s:^DEFAULT_LEX[ ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1233 ${subdir}/Makefile.tem >> ${Makefile}
1235 # If this is a Canadian Cross, preset the values of many more
1236 # tools.
1237 if [ "${build}" != "${host}" ]; then
1238 for var in ${tools}; do
1239 val=`eval 'echo $'"${var}"`
1240 sed -e "/^${var}[ ]*=/{
1241 :loop1
1242 /\\\\$/ N
1243 /\\\\$/ b loop1
1244 s/\\\\\\n//g
1245 s%^${var}[ ]*=.*$%${var} = ${val}%
1246 }" ${Makefile} > ${Makefile}.tem
1247 mv -f ${Makefile}.tem ${Makefile}
1248 done
1251 # final copy now in ${Makefile}
1253 else
1254 echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1257 rm -f ${subdir}/Makefile.tem
1259 case "${host_makefile_frag}" in
1260 "") using= ;;
1261 *) using="and \"${host_makefile_frag}\"" ;;
1262 esac
1264 case "${target_makefile_frag}" in
1265 "") ;;
1266 *) using="${using} and \"${target_makefile_frag}\"" ;;
1267 esac
1269 case "${site_makefile_frag}" in
1270 "") ;;
1271 *) using="${using} and \"${site_makefile_frag}\"" ;;
1272 esac
1274 newusing=`echo "${using}" | sed 's/and/using/'`
1275 using=${newusing}
1276 echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1278 . ${tmpfile}.pos
1280 # describe the chosen configuration in config.status.
1281 # Make that file a shellscript which will reestablish
1282 # the same configuration. Used in Makefiles to rebuild
1283 # Makefiles.
1285 case "${norecursion}" in
1286 "") arguments="${arguments} --norecursion" ;;
1287 *) ;;
1288 esac
1290 if [ ${subdir} = . ] ; then
1291 echo "#!/bin/sh
1292 # ${NO_EDIT}
1293 # This directory was configured as follows:
1294 ${progname}" ${arguments} "
1295 # ${using}" > ${subdir}/config.new
1296 else
1297 echo "#!/bin/sh
1298 # ${NO_EDIT}
1299 # This directory was configured as follows:
1300 cd ${invsubdir}
1301 ${progname}" ${arguments} "
1302 # ${using}" > ${subdir}/config.new
1304 chmod a+x ${subdir}/config.new
1305 if [ -r ${subdir}/config.back ] ; then
1306 mv -f ${subdir}/config.back ${subdir}/config.status
1308 ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1311 *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1312 esac
1313 done
1315 # If there are subdirectories, then recur.
1316 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
1317 for configdir in ${configdirs} ; do
1319 if [ -d ${srcdir}/${configdir} ] ; then
1320 eval echo Configuring ${configdir}... ${redirect}
1321 case "${srcdir}" in
1322 ".") ;;
1324 if [ ! -d ./${configdir} ] ; then
1325 if mkdir ./${configdir} ; then
1326 true
1327 else
1328 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
1329 exit 1
1333 esac
1335 POPDIR=${PWD=`pwd`}
1336 cd ${configdir}
1338 ### figure out what to do with srcdir
1339 case "${srcdir}" in
1340 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
1341 /*) # absolute path
1342 newsrcdir=${srcdir}/${configdir}
1343 srcdiroption="--srcdir=${newsrcdir}"
1345 ?:*) # absolute path on win32
1346 newsrcdir=${srcdir}/${configdir}
1347 srcdiroption="--srcdir=${newsrcdir}"
1349 *) # otherwise relative
1350 newsrcdir=../${srcdir}/${configdir}
1351 srcdiroption="--srcdir=${newsrcdir}"
1353 esac
1355 # Handle --cache-file=../XXX
1356 case "${cache_file}" in
1357 "") # empty
1359 /*) # absolute path
1360 cache_file_option="--cache-file=${cache_file}"
1362 ?:*) # absolute path on win32
1363 cache_file_option="--cache-file=${cache_file}"
1365 *) # relative path
1366 cache_file_option="--cache-file=../${cache_file}"
1368 esac
1370 ### check for guested configure, otherwise fix possibly relative progname
1371 if [ -f ${newsrcdir}/configure ] ; then
1372 recprog=${newsrcdir}/configure
1373 elif [ -f ${newsrcdir}/configure.in ] ; then
1374 case "${progname}" in
1375 /*) recprog=${progname} ;;
1376 ?:*) recprog=${progname} ;;
1377 *) recprog=../${progname} ;;
1378 esac
1379 else
1380 eval echo No configuration information in ${configdir} ${redirect}
1381 recprog=
1384 ### The recursion line is here.
1385 if [ ! -z "${recprog}" ] ; then
1386 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
1387 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1388 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1389 true
1390 else
1391 echo Configure in `pwd` failed, exiting. 1>&2
1392 exit 1
1396 cd ${POPDIR}
1398 done
1401 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1402 # and reset the trap handler.
1403 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1404 trap 0
1406 exit 0
1409 # Local Variables:
1410 # fill-column: 131
1411 # End:
1414 # end of configure