Mark ChangeLog
[official-gcc.git] / configure
blob43f79a03642fc73ede1b171bfc02c8107664a2c1
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, 97, 98, 1999
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 extraconfigdirs=
55 diroptions=
56 enable_threads=no
57 enable_shared=no
58 enable_libstdcxx_v3=yes
59 exec_prefix=
60 exec_prefixoption=
61 fatal=
62 floating_point=default
63 gas=default
64 gcc_version=
65 gcc_version_trigger=
66 host_alias=NOHOST
67 host_makefile_frag=
68 moveifchange=
69 norecursion=
70 other_options=
71 package_makefile_frag=
72 package_makefile_rules_frag=
73 prefix=/usr/local
74 progname=
75 program_prefix=
76 program_prefixoption=
77 program_suffix=
78 program_suffixoption=
79 program_transform_name=
80 program_transform_nameoption=
81 redirect=
82 removing=
83 site=
84 site_makefile_frag=
85 site_option=
86 srcdir=
87 srctrigger=
88 subdirs=
89 target_alias=NOTARGET
90 target_makefile_frag=
91 undefs=NOUNDEFS
92 version="$Revision: 1.34 $"
93 x11=default
94 bindir='${exec_prefix}/bin'
95 sbindir='${exec_prefix}/sbin'
96 libexecdir='${exec_prefix}/libexec'
97 datadir='${prefix}/share'
98 sysconfdir='${prefix}/etc'
99 sharedstatedir='${prefix}/com'
100 localstatedir='${prefix}/var'
101 libdir='${exec_prefix}/lib'
102 includedir='${prefix}/include'
103 oldincludedir='/usr/include'
104 infodir='${prefix}/info'
105 mandir='${prefix}/man'
107 ### we might need to use some other shell than /bin/sh for running subshells
109 ### If we are on Windows, search for the shell. This will permit people
110 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
111 ### without also having to set CONFIG_SHELL. This code will work when
112 ### using bash, which sets OSTYPE.
113 case "${OSTYPE}" in
114 *win32*)
115 if [ x${CONFIG_SHELL} = x ]; then
116 if [ ! -f /bin/sh ]; then
117 if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
118 CONFIG_SHELL=${SHELL}
119 export CONFIG_SHELL
120 else
121 for prog in sh sh.exe bash bash.exe; do
122 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
123 for dir in $PATH; do
124 test -z "$dir" && dir=.
125 if test -f $dir/$prog; then
126 CONFIG_SHELL=$dir/$prog
127 export CONFIG_SHELL
128 break
130 done
131 IFS="$save_ifs"
132 test -n "${CONFIG_SHELL}" && break
133 done
138 esac
140 config_shell=${CONFIG_SHELL-/bin/sh}
142 NO_EDIT="This file was generated automatically by configure. Do not edit."
144 ## this is a little touchy and won't always work, but...
146 ## if the argv[0] starts with a slash then it is an absolute name that can (and
147 ## must) be used as is.
149 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
150 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
153 progname=$0
154 # if PWD already has a value, it is probably wrong.
155 if [ -n "$PWD" ]; then PWD=`pwd`; fi
157 case "${progname}" in
158 /* | [A-Za-z]:[\\/]* ) ;;
159 */*) ;;
161 PATH=$PATH:${PWD=`pwd`} ; export PATH
163 esac
165 # Export original configure arguments for use by sub-configures.
166 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
167 export TOPLEVEL_CONFIGURE_ARGUMENTS
169 # Loop over all args
171 while :
174 # Break out if there are no more args
175 case $# in
177 break
179 esac
181 # Get the first arg, and shuffle
182 option=$1
183 shift
185 # Make all options have two hyphens
186 orig_option=$option # Save original for error messages
187 case $option in
188 --*) ;;
189 -*) option=-$option ;;
190 esac
192 # Split out the argument for options that take them
193 case $option in
194 --*=*)
195 optarg=`echo $option | sed -e 's/^[^=]*=//'`
196 arguments="$arguments $option"
198 # These options have mandatory values. Since we didn't find an = sign,
199 # the value must be in the next argument
200 --bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
201 optarg=$1
202 shift
203 arguments="$arguments $option=$optarg"
205 --v)
206 arguments="$arguments -v"
208 --*)
209 arguments="$arguments $option"
211 esac
213 # Now, process the options
214 case $option in
216 --bi*)
217 bindir=$optarg
218 diroptions="$diroptions --bindir=$optarg"
220 --build* | --bu*)
221 case "$build_alias" in
222 "") build_alias=$optarg ;;
223 *) echo '***' Can only configure for one build machine at a time. 1>&2
224 fatal=yes
226 esac
228 --cache*)
229 cache_file=$optarg
231 --da*)
232 datadir=$optarg
233 diroptions="$diroptions --datadir=$optarg"
235 --disable-*)
236 enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
237 eval $enableopt=no
238 disableoptions="$disableoptions $option"
240 --enable-*)
241 case "$option" in
242 *=*) ;;
243 *) optarg=yes ;;
244 esac
246 enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
247 eval "$enableopt=\$optarg"
248 enableoptions="$enableoptions '$option'"
250 --exec-prefix* | --ex*)
251 exec_prefix=$optarg
252 exec_prefixoption="--exec-prefix=$optarg"
254 --gas | --g*)
255 gas=yes
257 --help | --he*)
258 fatal=yes
260 --host* | --ho*)
261 case $host_alias in
262 NOHOST) host_alias=$optarg ;;
263 *) echo '***' Can only configure for one host at a time. 1>&2
264 fatal=yes
266 esac
268 --inc*)
269 includedir=$optarg
270 diroptions="$diroptions --includedir=$optarg"
272 --inf*)
273 infodir=$optarg
274 diroptions="$diroptions --infodir=$optarg"
276 --libd*)
277 libdir=$optarg
278 diroptions="$diroptions --libdir=$optarg"
280 --libe*)
281 libexecdir=$optarg
282 diroptions="$diroptions --libexecdir=$optarg"
284 --lo*)
285 localstatedir=$optarg
286 diroptions="$diroptions --localstatedir=$optarg"
288 --ma*)
289 mandir=$optarg
290 diroptions="$diroptions --mandir=$optarg"
292 --nfp | --nf*)
293 floating_point=no
294 floating_pointoption="--nfp"
296 --norecursion | --no*)
297 norecursion=yes
299 --ol*)
300 oldincludedir=$optarg
301 diroptions="$diroptions --oldincludedir=$optarg"
303 --prefix* | --pre*)
304 prefix=$optarg
305 prefixoption="--prefix=$optarg"
307 --program-prefix* | --program-p*)
308 program_prefix=$optarg
309 program_prefixoption="--program-prefix=$optarg"
311 --program-suffix* | --program-s*)
312 program_suffix=$optarg
313 program_suffixoption="--program-suffix=$optarg"
315 --program-transform-name* | --program-t*)
316 # Double any backslashes or dollar signs in the argument
317 program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
318 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
320 --rm)
321 removing=--rm
323 --sb*)
324 sbindir=$optarg
325 diroptions="$diroptions --sbindir=$optarg"
327 --sh*)
328 sharedstatedir=$optarg
329 diroptions="$diroptions --sharedstatedir=$optarg"
331 --silent | --sil* | --quiet | --q*)
332 redirect=">/dev/null"
333 verbose=--silent
335 --site* | --sit*)
336 site=$optarg
337 site_option="--site=$optarg"
339 --srcdir*/ | --sr*/)
340 # Remove trailing slashes. Otherwise, when the file name gets
341 # bolted into an object file as debug info, it has two slashes
342 # in it. Ordinarily this is ok, but emacs takes double slash
343 # to mean "forget the first part".
344 srcdir=`echo $optarg | sed -e 's:/$::'`
346 --srcdir* | --sr*)
347 srcdir=$optarg
349 --sy*)
350 sysconfdir=$optarg
351 diroptions="$diroptions --sysconfdir=$optarg"
353 --target* | --ta*)
354 case $target_alias in
355 NOTARGET) target_alias=$optarg ;;
356 *) echo '***' Can only configure for one target at a time. 1>&2
357 fatal=yes
359 esac
361 --tmpdir* | --tm*)
362 TMPDIR=$optarg
363 tmpdiroption="--tmpdir=$optarg"
365 --verbose | --v | --verb*)
366 redirect=
367 verbose=--verbose
369 --version | --V | --vers*)
370 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
371 exit 0
373 --with-*)
374 case "$option" in
375 *=*) ;;
376 *) optarg=yes ;;
377 esac
379 withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
380 eval $withopt="\$optarg"
381 withoptions="$withoptions $option"
383 --without-*)
384 withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
385 eval $withopt=no
386 withoutoptions="$withoutoptions $option"
388 --x) with_x=yes
389 withoptions="$withoptions --with-x"
391 --x-i* | --x-l*) other_options="$other_options $orig_option"
393 --*)
394 echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
395 exit 1
398 case $undefs in
399 NOUNDEFS) undefs=$option ;;
400 *) echo '***' Can only configure for one host and one target at a time. 1>&2
401 fatal=yes
403 esac
405 esac
406 done
408 # process host and target
410 # Do some error checking and defaulting for the host and target type.
411 # The inputs are:
412 # configure --host=HOST --target=TARGET UNDEFS
414 # The rules are:
415 # 1. You aren't allowed to specify --host, --target, and undefs at the
416 # same time.
417 # 2. Host defaults to undefs.
418 # 3. If undefs is not specified, then host defaults to the current host,
419 # as determined by config.guess.
420 # 4. Target defaults to undefs.
421 # 5. If undefs is not specified, then target defaults to host.
423 case "${fatal}" in
425 # Make sure that host, target & undefs aren't all specified at the
426 # same time.
427 case $host_alias---$target_alias---$undefs in
428 NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
430 *) echo '***' Can only configure for one host and one target at a time. 1>&2
431 fatal=yes
432 break 2
434 esac
436 # Now, do defaulting for host.
437 case $host_alias in
438 NOHOST)
439 case $undefs in
440 NOUNDEFS)
441 # Neither --host option nor undefs were present.
442 # Call config.guess.
443 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
444 if host_alias=`${config_shell} ${guesssys}`
445 then
446 # If the string we are going to use for
447 # the target is a prefix of the string
448 # we just guessed for the host, then
449 # assume we are running native, and force
450 # the same string for both target and host.
451 case $target_alias in
452 NOTARGET) ;;
454 if expr $host_alias : $target_alias >/dev/null
455 then
456 host_alias=$target_alias
459 esac
460 echo "Configuring for a ${host_alias} host."
461 arguments="--host=$host_alias $arguments"
462 else
463 echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
464 fatal=yes
468 host_alias=$undefs
469 arguments="--host=$host_alias $arguments"
470 undefs=NOUNDEFS
472 esac
473 esac
475 # Do defaulting for target. If --target option isn't present, default
476 # to undefs. If undefs isn't present, default to host.
477 case $target_alias in
478 NOTARGET)
479 case $undefs in
480 NOUNDEFS)
481 target_alias=$host_alias
484 target_alias=$undefs
485 arguments="--target=$target_alias $arguments"
487 esac
488 esac
490 *) ;;
491 esac
493 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
494 exec 1>&2
495 echo Usage: configure [OPTIONS] [HOST]
496 echo
497 echo Options: [defaults in brackets]
498 echo ' --prefix=MYDIR install into MYDIR [/usr/local]'
499 echo ' --exec-prefix=MYDIR install host-dependent files into MYDIR [/usr/local]'
500 echo ' --help print this message [normal config]'
501 echo ' --build=BUILD configure for building on BUILD [BUILD=HOST]'
502 echo ' --host=HOST configure for HOST [determined via config.guess]'
503 echo ' --norecursion configure this directory only [recurse]'
504 echo ' --program-prefix=FOO prepend FOO to installed program names [""]'
505 echo ' --program-suffix=FOO append FOO to installed program names [""]'
506 echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
507 echo ' --site=SITE configure with site-specific makefile for SITE'
508 echo ' --srcdir=DIR find the sources in DIR [. or ..]'
509 echo ' --target=TARGET configure for TARGET [TARGET=HOST]'
510 echo ' --tmpdir=TMPDIR create temporary files in TMPDIR [/tmp]'
511 echo ' --nfp configure for software floating point [hard float]'
512 echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
513 echo ' --without-FOO package FOO is NOT available'
514 echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
515 echo ' --disable-FOO do not include feature FOO'
516 echo
517 echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
518 echo
519 if [ -r config.status ] ; then
520 cat config.status
523 exit 1
526 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
527 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
528 ## the sed command below emulates the dirname command
529 topsrcdir=`cd \`echo ${progname} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'\`; pwd`
532 # this is a hack. sun4 must always be a valid host alias or this will fail.
533 if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
534 true
535 else
536 echo '***' cannot find config.sub. 1>&2
537 exit 1
540 touch config.junk
541 if ${config_shell} ${moveifchange} config.junk config.trash ; then
542 true
543 else
544 echo '***' cannot find move-if-change. 1>&2
545 exit 1
547 rm -f config.junk config.trash
549 case "${srcdir}" in
551 if [ -r configure.in ] ; then
552 srcdir=.
553 else
554 if [ -r ${progname}.in ] ; then
555 srcdir=`echo ${progname} | sed 's:/configure$::'`
556 else
557 echo '***' "Can't find configure.in. Try using --srcdir=some_dir" 1>&2
558 exit 1
563 # Set srcdir to "." if that's what it is.
564 # This is important for multilib support.
565 if [ ! -d ${srcdir} ] ; then
566 echo "Invalid source directory ${srcdir}" >&2
567 exit 1
569 pwd=`pwd`
570 srcpwd=`cd ${srcdir} ; pwd`
571 if [ "${pwd}" = "${srcpwd}" ] ; then
572 srcdir=.
574 esac
576 ### warn about some conflicting configurations.
578 case "${srcdir}" in
579 ".") ;;
581 if [ -f ${srcdir}/config.status ] ; then
582 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
583 exit 1
585 esac
587 # default exec_prefix
588 case "${exec_prefixoption}" in
589 "") exec_prefix="\$(prefix)" ;;
590 *) ;;
591 esac
593 # Define the trigger file to make sure configure will re-run whenever
594 # the gcc version number changes.
595 if [ "${with_gcc_version_trigger+set}" = set ]; then
596 gcc_version_trigger="$with_gcc_version_trigger"
597 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
598 else
599 # If gcc's sources are available, define the trigger file.
600 if [ -f ${topsrcdir}/gcc/version.c ] ; then
601 gcc_version_trigger=${topsrcdir}/gcc/version.c
602 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
603 case "$arguments" in
604 *--with-gcc-version-trigger=$gcc_version_trigger* )
607 # Make sure configure.in knows about this.
608 arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
610 esac
611 withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
615 ### break up ${srcdir}/configure.in.
616 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
618 echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
619 # Check for a directory that's been converted to use autoconf since
620 # it was last configured.
621 if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
622 echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
623 if [ -r ${srcdir}/configure ] ; then
624 echo '***' Running the local configure script. 1>&2
625 case "${cache_file}" in
626 "") cache_file_option= ;;
627 *) cache_file_option="--cache-file=${cache_file}" ;;
628 esac
629 srcdiroption="--srcdir=${srcdir}"
630 case "${build_alias}" in
631 "") buildopt= ;;
632 *) buildopt="--build=${build_alias}" ;;
633 esac
634 eval exec ${config_shell} ${srcdir}/configure ${verbose} \
635 ${buildopt} --host=${host_alias} --target=${target_alias} \
636 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
637 ${srcdiroption} ${diroptions} \
638 ${program_prefixoption} ${program_suffixoption} \
639 ${program_transform_nameoption} ${site_option} \
640 ${withoptions} ${withoutoptions} \
641 ${enableoptions} ${disableoptions} ${floating_pointoption} \
642 ${cache_file_option} ${removing} ${other_options} ${redirect}
643 else
644 echo '***' There is no configure script present though. 1>&2
647 exit 1
649 *) ;;
650 esac
652 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
654 echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
655 exit 1
657 *) ;;
658 esac
660 case "${TMPDIR}" in
661 "") TMPDIR=/tmp ; export TMPDIR ;;
662 *) ;;
663 esac
665 # keep this filename short for &%*%$*# 14 char file names and 8+3 file names
666 tmpfile=${TMPDIR}/cNf$$
667 # Note that under many versions of sh a trap handler for 0 will *override* any
668 # exit status you explicitly specify! At this point, the only non-error exit
669 # is at the end of the script; these actions are duplicated there, minus
670 # the "exit 1". Don't use "exit 0" anywhere after this without resetting the
671 # trap handler, or you'll lose.
672 trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
674 # split ${srcdir}/configure.in into common, per-host, per-target,
675 # and post-target parts. Post-target is optional.
676 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
677 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
678 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
679 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
680 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
681 else
682 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
683 echo >${tmpfile}.pos
686 ### do common part of configure.in
688 # If the language specific compiler does not exist, but the "gcc" directory does,
689 # we will skip this directory; in this case the sub-directory's common part
690 # of configure.in will create a small shell script "skip-this-dir" containing
691 # commands to completely clean up any temporary or created files.
693 . ${tmpfile}.com
695 if test -f skip-this-dir; then
696 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
697 # and reset the trap handler.
698 trap 0
699 rm -f Makefile* ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
700 # Execute the final clean-up actions
701 ${config_shell} skip-this-dir
702 # and stop configuring this directory.
703 exit 0
706 # some sanity checks on configure.in
707 case "${srctrigger}" in
709 echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
710 exit 1
712 *) ;;
713 esac
715 case "${build_alias}" in
717 if result=`${config_shell} ${configsub} ${host_alias}` ; then
718 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
719 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
720 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
721 build=${build_cpu}-${build_vendor}-${build_os}
722 build_alias=${host_alias}
726 if result=`${config_shell} ${configsub} ${build_alias}` ; then
727 buildopt="--build=${build_alias}"
728 build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
729 build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
730 build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
731 build=${build_cpu}-${build_vendor}-${build_os}
732 else
733 echo "Unrecognized build system name ${build_alias}." 1>&2
734 exit 1
737 esac
739 if result=`${config_shell} ${configsub} ${host_alias}` ; then
740 true
741 else
742 echo "Unrecognized host system name ${host_alias}." 1>&2
743 exit 1
745 host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
746 host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
747 host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
748 host=${host_cpu}-${host_vendor}-${host_os}
750 . ${tmpfile}.hst
752 if result=`${config_shell} ${configsub} ${target_alias}` ; then
753 true
754 else
755 echo "Unrecognized target system name ${target_alias}." 1>&2
756 exit 1
758 target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
759 target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
760 target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
761 target=${target_cpu}-${target_vendor}-${target_os}
763 . ${tmpfile}.tgt
765 # Find the source files, if location was not specified.
766 case "${srcdir}" in
768 srcdirdefaulted=1
769 srcdir=.
770 if [ ! -r ${srctrigger} ] ; then
771 srcdir=..
774 *) ;;
775 esac
777 if [ ! -r ${srcdir}/${srctrigger} ] ; then
778 case "${srcdirdefaulted}" in
779 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
780 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
781 esac
783 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
784 exit 1
787 # Some systems (e.g., one of the i386-aix systems the gas testers are
788 # using) don't handle "\$" correctly, so don't use it here.
789 tooldir='$(exec_prefix)'/${target_alias}
791 if [ "${host_alias}" != "${target_alias}" ] ; then
792 if [ "${program_prefixoption}" = "" ] ; then
793 if [ "${program_suffixoption}" = "" ] ; then
794 if [ "${program_transform_nameoption}" = "" ] ; then
795 program_prefix=${target_alias}- ;
801 # Merge program_prefix and program_suffix onto program_transform_name.
802 # (program_suffix used to use $, but it's hard to preserve $ through both
803 # make and sh.)
804 if [ "${program_suffix}" != "" ] ; then
805 program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
808 if [ "${program_prefix}" != "" ] ; then
809 program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
812 # If CC and CXX are not set in the environment, and the Makefile
813 # exists, try to extract them from it. This is to handle running
814 # ./config.status by hand.
815 if [ -z "${CC}" ] && [ -r Makefile ]; then
816 sed -n -e ':loop
817 /\\$/ N
818 s/\\\n//g
819 t loop
820 /^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
821 CC=`tail -1 Makefile.cc`
822 rm -f Makefile.cc
825 if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
826 sed -n -e ':loop
827 /\\$/ N
828 s/\\\n//g
829 t loop
830 /^CFLAGS[ ]*=/ s/CFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
831 CFLAGS=`tail -1 Makefile.cc`
832 rm -f Makefile.cc
835 if [ -z "${CXX}" ] && [ -r Makefile ]; then
836 sed -n -e ':loop
837 /\\$/ N
838 s/\\\n//g
839 t loop
840 /^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
841 CXX=`tail -1 Makefile.cc`
842 rm -f Makefile.cc
845 if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
846 sed -n -e ':loop
847 /\\$/ N
848 s/\\\n//g
849 t loop
850 /^CXXFLAGS[ ]*=/ s/CXXFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
851 CXXFLAGS=`tail -1 Makefile.cc`
852 rm -f Makefile.cc
855 # Generate a default definition for YACC. This is used if the makefile can't
856 # locate bison or byacc in objdir.
858 for prog in 'bison -y' byacc yacc
860 set dummy $prog; tmp=$2
861 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
862 for dir in $PATH; do
863 test -z "$dir" && dir=.
864 if test -f $dir/$tmp; then
865 DEFAULT_YACC="$prog"
866 break
868 done
869 IFS="$save_ifs"
871 test -n "$DEFAULT_YACC" && break
872 done
874 # Generate a default definition for M4. This is used if the makefile can't
875 # locate m4 in objdir.
877 for prog in gm4 gnum4 m4
879 set dummy $prog; tmp=$2
880 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
881 for dir in $PATH; do
882 test -z "$dir" && dir=.
883 if test -f $dir/$tmp; then
884 DEFAULT_M4="$prog"
885 break
887 done
888 IFS="$save_ifs"
890 test -n "$DEFAULT_M4" && break
891 done
893 # Generate a default definition for LEX. This is used if the makefile can't
894 # locate flex in objdir.
896 for prog in flex lex
898 set dummy $prog; tmp=$2
899 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
900 for dir in $PATH; do
901 test -z "$dir" && dir=.
902 if test -f $dir/$tmp; then
903 DEFAULT_LEX="$prog"
904 break
906 done
907 IFS="$save_ifs"
909 test -n "$DEFAULT_LEX" && break
910 done
912 if [ "${build}" != "${host}" ]; then
913 # If we are doing a Canadian Cross, in which the host and build systems
914 # are not the same, we set reasonable default values for the tools.
916 tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
917 tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET GCJ_FOR_TARGET"
918 tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
919 tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
920 tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
921 tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
922 tools="${tools} OBJCOPY OBJDUMP"
924 for var in ${tools}; do
925 if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
926 sed -n -e ':loop
927 /\\$/ N
928 s/\\\n//g
929 t loop
930 /^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
931 < Makefile > Makefile.v
932 t=`tail -1 Makefile.v`
933 if [ -n "${t}" ]; then
934 eval "${var}=\${t}"
936 rm -f Makefile.v
938 done
940 AR=${AR-${host_alias}-ar}
941 AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
942 AS=${AS-${host_alias}-as}
943 AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
944 BISON=${BISON-bison}
945 CC=${CC-${host_alias}-gcc}
946 CFLAGS=${CFLAGS-"-g -O2"}
947 CXX=${CXX-${host_alias}-c++}
948 CXXFLAGS=${CXXFLAGS-"-g -O2"}
949 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
950 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
951 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
952 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
953 DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
954 DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
955 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
956 HOST_PREFIX=${build_alias}-
957 HOST_PREFIX_1=${build_alias}-
958 LD=${LD-${host_alias}-ld}
959 LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
960 MAKEINFO=${MAKEINFO-makeinfo}
961 NM=${NM-${host_alias}-nm}
962 NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
963 RANLIB=${RANLIB-${host_alias}-ranlib}
964 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
965 WINDRES=${WINDRES-${host_alias}-windres}
966 WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
967 OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
968 OBJDUMP=${OBJDUMP-${host_alias}-objdump}
970 if [ -z "${YACC}" ]; then
971 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
972 for dir in $PATH; do
973 test -z "$dir" && dir=.
974 if test -f $dir/bison; then
975 YACC="bison -y"
976 break
978 if test -f $dir/byacc; then
979 YACC=byacc
980 break
982 if test -f $dir/yacc; then
983 YACC=yacc
984 break
986 done
987 IFS="$save_ifs"
988 if [ -z "${YACC}" ]; then
989 YACC="bison -y"
993 if [ -z "${LEX}" ]; then
994 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
995 for dir in $PATH; do
996 test -z "$dir" && dir=.
997 if test -f $dir/flex; then
998 LEX=flex
999 break
1001 if test -f $dir/lex; then
1002 LEX=lex
1003 break
1005 done
1006 IFS="$save_ifs"
1007 LEX=${LEX-flex}
1010 # Export variables which autoconf might try to set.
1011 export AS
1012 export AR
1013 export CC_FOR_BUILD
1014 export DLLTOOL
1015 export LD
1016 export NM
1017 export RANLIB
1018 export WINDRES
1019 export OBJCOPY
1020 export OBJDUMP
1021 else
1022 # If CC is still not set, try to get gcc.
1023 if [ -z "${CC}" ]; then
1024 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1025 for dir in $PATH; do
1026 test -z "$dir" && dir=.
1027 if test -f $dir/gcc; then
1028 CC="gcc"
1029 echo 'void f(){}' > conftest.c
1030 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1031 CFLAGS=${CFLAGS-"-g -O2"}
1032 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1033 else
1034 CFLAGS=${CFLAGS-"-O2"}
1035 CXXFLAGS=${CXXFLAGS-"-O2"}
1037 rm -f conftest*
1038 break
1040 done
1041 IFS="$save_ifs"
1042 CC=${CC-cc}
1043 else
1044 if test -z "${CFLAGS}"; then
1045 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1046 # is set to a version of gcc.
1047 case "${CC}" in
1048 *gcc)
1049 echo 'void f(){}' > conftest.c
1050 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1051 CFLAGS=${CFLAGS-"-g -O2"}
1052 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1053 else
1054 CFLAGS=${CFLAGS-"-O2"}
1055 CXXFLAGS=${CXXFLAGS-"-O2"}
1057 rm -f conftest*
1059 esac
1063 CXX=${CXX-"c++"}
1064 CFLAGS=${CFLAGS-"-g"}
1065 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1068 export CC
1069 export CXX
1070 export CFLAGS
1071 export CXXFLAGS
1073 # FIXME: This should be in configure.in, not configure
1074 case "$host" in
1075 *go32*)
1076 enable_gdbtk=no ;;
1077 *msdosdjgpp*)
1078 enable_gdbtk=no ;;
1079 esac
1081 # FIXME: This should be in configure.in, not configure
1082 # Determine whether gdb needs tk/tcl or not.
1083 if [ "$enable_gdbtk" != "no" ]; then
1084 GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
1085 else
1086 GDB_TK=""
1089 for subdir in . ${subdirs} ; do
1091 # ${subdir} is relative path from . to the directory we're currently
1092 # configuring.
1093 # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
1094 invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
1096 ### figure out what to do with srcdir
1097 case "${srcdir}" in
1098 ".") # no -srcdir option. We're building in place.
1099 makesrcdir=. ;;
1100 /* | [A-Za-z]:[\\/]* ) # absolute path
1101 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
1103 *) # otherwise relative
1104 case "${subdir}" in
1105 .) makesrcdir=${srcdir} ;;
1106 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
1107 esac
1109 esac
1111 if [ "${subdir}/" != "./" ] ; then
1112 Makefile=${subdir}/Makefile
1115 if [ ! -d ${subdir} ] ; then
1116 if mkdir ${subdir} ; then
1117 true
1118 else
1119 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
1120 exit 1
1124 case "${removing}" in
1126 case "${subdir}" in
1127 .) ;;
1128 *) eval echo Building in ${subdir} ${redirect} ;;
1129 esac
1131 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1132 # Set up the list of links to be made.
1133 # ${links} is the list of link names, and ${files} is the list of names to link to.
1135 # Make the links.
1136 configlinks="${links}"
1137 if [ -r ${subdir}/config.status ] ; then
1138 mv -f ${subdir}/config.status ${subdir}/config.back
1140 while [ -n "${files}" ] ; do
1141 # set file to car of files, files to cdr of files
1142 set ${files}; file=$1; shift; files=$*
1143 set ${links}; link=$1; shift; links=$*
1145 if [ ! -r ${srcdir}/${file} ] ; then
1146 if [ ! -r ${file} ] ; then
1148 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1149 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1150 exit 1
1151 else
1152 srcfile=${file}
1154 else
1155 srcfile=${srcdir}/${file}
1158 ${remove} -f ${link}
1159 # Make a symlink if possible, otherwise try a hard link
1160 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1161 true
1162 else
1163 # We need to re-remove the file because Lynx leaves a
1164 # very strange directory there when it fails an NFS symlink.
1165 ${remove} -r -f ${link}
1166 ${hard_link} ${srcfile} ${link}
1168 if [ ! -r ${link} ] ; then
1169 echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1170 exit 1
1173 echo "Linked \"${link}\" to \"${srcfile}\"."
1174 done
1176 # Create a .gdbinit file which runs the one in srcdir
1177 # and tells GDB to look there for source files.
1179 if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
1180 case ${srcdir} in
1181 .) ;;
1182 *) cat > ${subdir}/.gdbinit <<EOF
1183 # ${NO_EDIT}
1184 dir ${makesrcdir}
1185 dir .
1186 source ${makesrcdir}/.gdbinit
1189 esac
1192 # Install a makefile, and make it set VPATH
1193 # if necessary so that the sources are found.
1194 # Also change its value of srcdir.
1195 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
1196 # been somewhat optimized and is perhaps a bit twisty.
1198 # code is order so as to try to sed the smallest input files we know.
1199 # so do these separately because I don't trust the order of sed -e expressions.
1201 # the five makefile fragments MUST end up in the resulting Makefile in this order:
1202 # package macros, target, host, site, and package rules.
1204 if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
1206 # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
1207 rm -f ${subdir}/${Makefile}.tem
1208 case "${package_makefile_rules_frag}" in
1209 "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
1211 if [ ! -f ${package_makefile_rules_frag} ] ; then
1212 package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
1214 if [ -f ${package_makefile_rules_frag} ] ; then
1215 sed -e "/^####/ r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
1216 else
1217 echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
1218 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1219 cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
1221 esac
1222 # working copy now in ${Makefile}.tem
1224 # Conditionalize for this site.
1225 rm -f ${Makefile}
1226 case "${site}" in
1227 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1229 site_makefile_frag=${srcdir}/config/ms-${site}
1231 if [ -f ${site_makefile_frag} ] ; then
1232 sed -e "/^####/ r ${site_makefile_frag}" ${subdir}/Makefile.tem \
1233 > ${Makefile}
1234 else
1235 mv ${subdir}/Makefile.tem ${Makefile}
1236 site_makefile_frag=
1239 esac
1240 # working copy now in ${Makefile}
1242 # Conditionalize the makefile for this host.
1243 rm -f ${subdir}/Makefile.tem
1244 case "${host_makefile_frag}" in
1245 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1247 if [ ! -f ${host_makefile_frag} ] ; then
1248 host_makefile_frag=${srcdir}/${host_makefile_frag}
1250 if [ -f ${host_makefile_frag} ] ; then
1251 sed -e "/^####/ r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1252 else
1253 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
1254 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1255 mv ${Makefile} ${subdir}/Makefile.tem
1257 esac
1258 # working copy now in ${subdir)/Makefile.tem
1260 # Conditionalize the makefile for this target.
1261 rm -f ${Makefile}
1262 case "${target_makefile_frag}" in
1263 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
1265 if [ ! -f ${target_makefile_frag} ] ; then
1266 target_makefile_frag=${srcdir}/${target_makefile_frag}
1268 if [ -f ${target_makefile_frag} ] ; then
1269 sed -e "/^####/ r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
1270 else
1271 mv ${subdir}/Makefile.tem ${Makefile}
1272 target_makefile_frag=
1275 esac
1276 # working copy now in ${Makefile}
1278 # Emit the default values of this package's macros.
1279 rm -f ${subdir}/Makefile.tem
1280 case "${package_makefile_frag}" in
1281 "") mv ${Makefile} ${subdir}/Makefile.tem ;;
1283 if [ ! -f ${package_makefile_frag} ] ; then
1284 package_makefile_frag=${srcdir}/${package_makefile_frag}
1286 if [ -f ${package_makefile_frag} ] ; then
1287 sed -e "/^####/ r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
1288 else
1289 echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
1290 echo '***' is missing in ${PWD=`pwd`}. 1>&2
1291 mv ${Makefile} ${subdir}/Makefile.tem
1293 esac
1294 # real copy now in ${subdir}/Makefile.tem
1296 # prepend warning about editting, and a bunch of variables.
1297 rm -f ${Makefile}
1298 cat > ${Makefile} <<EOF
1299 # ${NO_EDIT}
1300 VPATH = ${makesrcdir}
1301 links = ${configlinks}
1302 host_alias = ${host_alias}
1303 host_cpu = ${host_cpu}
1304 host_vendor = ${host_vendor}
1305 host_os = ${host_os}
1306 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
1307 target_alias = ${target_alias}
1308 target_cpu = ${target_cpu}
1309 target_vendor = ${target_vendor}
1310 target_os = ${target_os}
1311 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
1313 case "${build}" in
1314 "") ;;
1315 *) cat >> ${Makefile} << EOF
1316 build_alias = ${build_alias}
1317 build_cpu = ${build_cpu}
1318 build_vendor = ${build_vendor}
1319 build_os = ${build_os}
1320 build_canonical = ${build_cpu}-${build_vendor}-${build_os}
1322 esac
1324 case "${package_makefile_frag}" in
1325 "") ;;
1326 /* | [A-Za-z]:[\\/]* ) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
1327 *) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
1328 esac
1330 case "${target_makefile_frag}" in
1331 "") ;;
1332 /* | [A-Za-z]:[\\/]* ) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
1333 *) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
1334 esac
1336 case "${host_makefile_frag}" in
1337 "") ;;
1338 /* | [A-Za-z]:[\\/]* ) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
1339 *) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
1340 esac
1342 if [ "${site_makefile_frag}" != "" ] ; then
1343 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
1346 echo enable_shared = ${enable_shared} >> ${Makefile}
1347 echo enable_threads = ${enable_threads} >> ${Makefile}
1348 # record if we want to rumtime library stuff installed in libsubdir.
1349 if test -z "${enable_version_specific_runtime_libs}"; then
1350 echo enable_version_specific_runtime_libs = no >> ${Makefile}
1351 else
1352 echo enable_version_specific_runtime_libs = ${enable_version_specific_runtime_libs} >> ${Makefile}
1355 # Emit a macro which describes the file containing gcc's
1356 # version number.
1357 echo gcc_version_trigger = ${gcc_version_trigger} >> ${Makefile}
1358 # And emit a macro defining gcc's version number.
1359 echo gcc_version = ${gcc_version} >> ${Makefile}
1361 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
1362 # remove any form feeds.
1363 if [ -z "${subdirs}" ]; then
1364 rm -f ${subdir}/Makefile.tm2
1365 sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
1366 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
1367 ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
1368 rm -f ${subdir}/Makefile.tem
1369 mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
1371 sed -e "s|^prefix[ ]*=.*$|prefix = ${prefix}|" \
1372 -e "s|^exec_prefix[ ]*=.*$|exec_prefix = ${exec_prefix}|" \
1373 -e "s|^bindir[ ]*=.*$|bindir = ${bindir}|" \
1374 -e "s|^sbindir[ ]*=.*$|sbindir = ${sbindir}|" \
1375 -e "s|^libexecdir[ ]*=.*$|libexecdir = ${libexecdir}|" \
1376 -e "s|^datadir[ ]*=.*$|datadir = ${datadir}|" \
1377 -e "s|^sysconfdir[ ]*=.*$|sysconfdir = ${sysconfdir}|" \
1378 -e "s|^sharedstatedir[ ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
1379 -e "s|^localstatedir[ ]*=.*$|localstatedir = ${localstatedir}|" \
1380 -e "s|^libdir[ ]*=.*$|libdir = ${libdir}|" \
1381 -e "s|^includedir[ ]*=.*$|includedir = ${includedir}|" \
1382 -e "s|^oldincludedir[ ]*=.*$|oldincludedir = ${oldincludedir}|" \
1383 -e "s|^infodir[ ]*=.*$|infodir = ${infodir}|" \
1384 -e "s|^mandir[ ]*=.*$|mandir = ${mandir}|" \
1385 -e "/^CC[ ]*=/{
1386 :loop1
1387 /\\\\$/ N
1388 s/\\\\\\n//g
1389 t loop1
1390 s%^CC[ ]*=.*$%CC = ${CC}%
1391 }" \
1392 -e "/^CXX[ ]*=/{
1393 :loop2
1394 /\\\\$/ N
1395 s/\\\\\\n//g
1396 t loop2
1397 s%^CXX[ ]*=.*$%CXX = ${CXX}%
1398 }" \
1399 -e "/^CFLAGS[ ]*=/{
1400 :loop3
1401 /\\\\$/ N
1402 s/\\\\\\n//g
1403 t loop3
1404 s%^CFLAGS[ ]*=.*$%CFLAGS = ${CFLAGS}%
1405 }" \
1406 -e "/^CXXFLAGS[ ]*=/{
1407 :loop4
1408 /\\\\$/ N
1409 s/\\\\\\n//g
1410 t loop4
1411 s%^CXXFLAGS[ ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
1412 }" \
1413 -e "s|^SHELL[ ]*=.*$|SHELL = ${config_shell}|" \
1414 -e "s|^srcdir[ ]*=.*$|srcdir = ${makesrcdir}|" \
1415 -e "s/\f//" \
1416 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
1417 -e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
1418 -e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
1419 -e "s|^tooldir[ ]*=.*$|tooldir = ${tooldir}|" \
1420 -e "s|^build_tooldir[ ]*=.*$|build_tooldir = ${tooldir}|" \
1421 -e "s:^DEFAULT_YACC[ ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
1422 -e "s:^DEFAULT_LEX[ ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
1423 -e "s:^DEFAULT_M4[ ]*=.*$:DEFAULT_M4 = ${DEFAULT_M4}:" \
1424 ${subdir}/Makefile.tem >> ${Makefile}
1426 sed -e "s:^GDB_TK[ ]*=.*$:GDB_TK = ${GDB_TK}:" ${Makefile} >${Makefile}.tem
1427 mv -f ${Makefile}.tem ${Makefile}
1429 # If this is a Canadian Cross, preset the values of many more
1430 # tools.
1431 if [ "${build}" != "${host}" ]; then
1432 for var in ${tools}; do
1433 eval val=\$${var}
1434 sed -e "/^${var}[ ]*=/{
1435 :loop1
1436 /\\\\$/ N
1437 /\\\\$/ b loop1
1438 s/\\\\\\n//g
1439 s%^${var}[ ]*=.*$%${var} = ${val}%
1440 }" ${Makefile} > ${Makefile}.tem
1441 mv -f ${Makefile}.tem ${Makefile}
1442 done
1445 # final copy now in ${Makefile}
1447 else
1448 echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
1451 rm -f ${subdir}/Makefile.tem
1453 case "${host_makefile_frag}" in
1454 "") using= ;;
1455 *) using="and \"${host_makefile_frag}\"" ;;
1456 esac
1458 case "${target_makefile_frag}" in
1459 "") ;;
1460 *) using="${using} and \"${target_makefile_frag}\"" ;;
1461 esac
1463 case "${site_makefile_frag}" in
1464 "") ;;
1465 *) using="${using} and \"${site_makefile_frag}\"" ;;
1466 esac
1468 newusing=`echo "${using}" | sed 's/and/using/'`
1469 using=${newusing}
1470 echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
1472 . ${tmpfile}.pos
1474 # describe the chosen configuration in config.status.
1475 # Make that file a shellscript which will reestablish
1476 # the same configuration. Used in Makefiles to rebuild
1477 # Makefiles.
1479 case "${norecursion}" in
1480 "") arguments="${arguments} --norecursion" ;;
1481 *) ;;
1482 esac
1484 if [ ${subdir} = . ] ; then
1485 echo "#!/bin/sh
1486 # ${NO_EDIT}
1487 # This directory was configured as follows:
1488 ${progname}" ${arguments} "
1489 # ${using}" > ${subdir}/config.new
1490 else
1491 echo "#!/bin/sh
1492 # ${NO_EDIT}
1493 # This directory was configured as follows:
1494 cd ${invsubdir}
1495 ${progname}" ${arguments} "
1496 # ${using}" > ${subdir}/config.new
1498 chmod a+x ${subdir}/config.new
1499 if [ -r ${subdir}/config.back ] ; then
1500 mv -f ${subdir}/config.back ${subdir}/config.status
1502 ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
1505 *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
1506 esac
1507 done
1509 # If there are subdirectories, then recur.
1510 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
1511 for configdir in ${configdirs} ${extraconfigdirs} ; do
1513 # If configdir contains ',' it is
1514 # srcdir,builddir,target_alias
1515 # These come from extraconfigdirs.
1516 case ${configdir} in
1517 *,*)
1518 eval `echo ${configdir} | sed -e 's/\([^,]*\),\([^,]*\),\(.*\)/cfg_dir=\1 bld_dir=\2 tgt_alias=\3/'`
1521 cfg_dir=${configdir}
1522 bld_dir=${configdir}
1523 tgt_alias=${target_alias}
1525 esac
1527 if [ -d ${srcdir}/${cfg_dir} ] ; then
1528 eval echo Configuring ${configdir}... ${redirect}
1529 case "${srcdir}" in
1530 ".") ;;
1532 if [ ! -d ./${bld_dir} ] ; then
1533 if mkdir ./${bld_dir} ; then
1534 true
1535 else
1536 echo '***' "${progname}: could not make ${PWD=`pwd`}/${bld_dir}" 1>&2
1537 exit 1
1541 esac
1543 POPDIR=${PWD=`pwd`}
1544 cd ${bld_dir}
1546 ### figure out what to do with srcdir
1547 case "${srcdir}" in
1548 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
1549 /* | [A-Za-z]:[\\/]* ) # absolute path
1550 newsrcdir=${srcdir}/${cfg_dir}
1551 srcdiroption="--srcdir=${newsrcdir}"
1553 *) # otherwise relative
1554 newsrcdir=../${srcdir}/${cfg_dir}
1555 srcdiroption="--srcdir=${newsrcdir}"
1557 esac
1559 # Handle --cache-file=../XXX
1560 case "${cache_file}" in
1561 "") # empty
1563 /* | [A-Za-z]:[\\/]* ) # absolute path
1564 cache_file_option="--cache-file=${cache_file}"
1566 *) # relative path
1567 cache_file_option="--cache-file=../${cache_file}"
1569 esac
1571 ### check for guested configure, otherwise fix possibly relative progname
1572 if [ -f ${newsrcdir}/configure ] ; then
1573 recprog=${newsrcdir}/configure
1574 elif [ -f ${newsrcdir}/configure.in ] ; then
1575 case "${progname}" in
1576 /* | [A-Za-z]:[\\/]* ) recprog=${progname} ;;
1577 *) recprog=../${progname} ;;
1578 esac
1579 else
1580 eval echo No configuration information in ${cfg_dir} ${redirect}
1581 recprog=
1584 ### The recursion line is here.
1585 if [ ! -z "${recprog}" ] ; then
1586 if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${tgt_alias} \
1587 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
1588 ${srcdiroption} ${diroptions} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
1589 true
1590 else
1591 echo Configure in `pwd` failed, exiting. 1>&2
1592 exit 1
1596 cd ${POPDIR}
1598 done
1601 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
1602 # and reset the trap handler.
1603 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos
1604 trap 0
1606 exit 0
1609 # Local Variables:
1610 # fill-column: 131
1611 # End:
1614 # end of configure