4 # Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 # Please email any bugs, comments, and/or additions to this file to:
21 # configure@cygnus.com
23 # This file was 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 $$)
43 #symbolic_link="echo ln -s"
45 # clear some things potentially inherited from environment.
48 Makefile_in=Makefile.in
54 floating_point=default
68 program_prefix_option=
80 NO_EDIT="This file was generated automatically by configure. Do not edit."
82 ## this is a little touchy and won't always work, but...
84 ## if the argv[0] starts with a slash then it is an absolute name that can (and
85 ## must) be used as is.
87 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
88 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
98 PATH=$PATH:${PWD} ; export PATH
104 # handle things that might have args following as separate words
105 if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
106 elif [ -n "${next_exec_prefix}" ] ; then
108 exec_prefixoption="-exec_prefix=${exec_prefix}"
110 elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
111 elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=
112 elif [ -n "${next_program_prefix}" ] ; then
113 program_prefix=${arg}
114 program_prefixoption="-program_prefix=${program_prefix}"
116 elif [ -n "${next_target}" ] ; then
118 case "${target_alias}" in
120 target_alias="${arg}"
123 echo '***' Can only configure for one target at a time.
127 elif [ -n "${next_tmpdir}" ] ; then
129 tmpdiroption="--tmpdir=${arg}"
134 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
135 exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
136 exec_prefixoption=${arg}
138 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
147 -host=* | --host=* | --hos=* | --ho=*)
148 case "${host_alias}" in
150 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
153 echo '***' Can only configure for one host at a time.
161 -norecursion | --no*)
164 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
165 prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
168 -prefix | --prefix | --prefi | --pref | --pre)
171 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
172 program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
173 program_prefixoption=${arg}
175 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
176 next_program_prefix=yes
178 -s | -silent | --silent | --silen | --sile | --sil)
180 arguments=`echo ${arguments} | sed "s:${arg}::"`
182 -site=* | --site=* | --sit=* | --si=*)
183 site=`echo ${arg} | sed 's/^[-a-z]*=//'`
185 -site | --site | --sit)
188 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
189 srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
191 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
194 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
195 case "${target_alias}" in
196 "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
198 echo '***' Can only configure for one target at a time.
203 -target | --target | --targe | --targ | --tar | --ta)
206 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
208 TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
210 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
216 -version | -V | --version | --V)
217 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
223 echo "Unrecognized option: \"${arg}\"". ;
233 echo '***' Can only configure for one host and one target at a time.
242 # process host and target
245 # # Complain if an arg is missing
246 # if [ -z "${host_alias}" ] ; then
248 # echo "configure: No HOST specified." ;
253 ### This is a bit twisted.
254 ### * if all three are specified, this is an error.
255 ### * if we have neither hosts, nor unadorned args, this is an error.
256 ### * if no hosts are specified, then the unadorned args are hosts, but if
257 ### there were none, this is an error.
258 ### * if no targets are specified, then the unadorned args are targets, but if
259 ### there were no unadorned args, then the hosts are also targets.
261 if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
262 echo '***' Can only configure for one host and one target at a time.
264 elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
265 echo '***' You must tell me for which host you want to configure.
268 case "${host_alias}" in
269 "") host_alias=${undefs} ;;
273 case "${target_alias}" in
276 "") target_alias=${host_alias} ;;
277 *) target_alias=${undefs} ;;
287 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
288 (echo "Usage: configure HOST" ;
290 echo "Options: [defaults in brackets]" ;
291 echo " -exec_prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
292 echo " -gas configure the compilers for use with gas. [native as]" ;
293 echo " -help print this message. [normal config]" ;
294 echo " -lang=LANG configure to build LANG. [gcc]" ;
295 echo " -nfp configure the compilers default to soft floating point. [hard float]" ;
296 echo " -norecursion configure this directory only. [recurse]" ;
297 echo " -prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
298 echo " -program_prefix=FOO install programs with FOO prepended to their names. [ \"\" ]" ;
299 echo " -site=SITE configure with site specific makefile for SITE" ;
300 echo " -srcdir=DIR find the sources in DIR. [\".\" or \"..\"]" ;
301 echo " -target=TARGET configure for TARGET. [TARGET = HOST]" ;
302 echo " -tmpdir=TMPDIR create temporary files in TMPDIR. [ TMPDIR = \"/tmp\" ]" ;
304 echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
307 if [ -r config.status ] ; then
314 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
316 if ${configsub} `echo ${host_alias} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
319 echo '***' cannot find config.sub.
325 if [ -r configure.in ] ; then
328 if [ -r ${progname}.in ] ; then
329 srcdir=`echo ${progname} | sed 's:/configure$::'`
331 echo '***' "Can't find configure.in. Try using -srcdir=some_dir"
340 # default exec_prefix
341 case "${exec_prefix}" in
342 "") exec_prefix="${prefix}" ;;
346 ### break up ${srcdir}/configure.in.
347 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
349 echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
355 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
357 echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
364 "") TMPDIR=/tmp ; export TMPDIR ;;
368 # keep this filename short for &%*%$*# 14 char file names
369 tmpfile=${TMPDIR}/cONf$$
370 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
372 # split ${srcdir}/configure.in into common, per-host, per-target,
373 # and post-target parts. Post-target is optional.
374 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
375 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
376 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
377 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
378 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
380 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
384 ### do common part of configure.in
388 # some sanity checks on configure.in
389 case "${srctrigger}" in
391 echo '***' srctrigger not set in ${PWD}/configure.in.
397 result=`${configsub} ${host_alias}`
398 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
399 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
400 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
401 host=${host_cpu}-${host_vendor}-${host_os}
405 result=`${configsub} ${target_alias}`
406 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
407 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
408 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
409 target=${target_cpu}-${target_vendor}-${target_os}
413 # Find the source files, if location was not specified.
418 if [ ! -r ${srctrigger} ] ; then
425 if [ ! -r ${srcdir}/${srctrigger} ] ; then
426 case "${srcdirdefaulted}" in
427 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
428 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
431 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
435 # Set up the list of links to be made.
436 # ${links} is the list of link names, and ${files} is the list of names to link to.
439 configlinks="${links}"
440 while [ -n "${files}" ] ; do
441 # set file to car of files, files to cdr of files
442 set ${files}; file=$1; shift; files=$*
443 set ${links}; link=$1; shift; links=$*
445 if [ ! -r ${srcdir}/${file} ] ; then
446 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
447 echo '***' "since the file \"${file}\" does not exist." 1>&2
453 # Make a symlink if possible, otherwise try a hard link
454 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
456 if [ ! -r ${link} ] ; then
457 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
463 *) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
467 # Create a .gdbinit file which runs the one in srcdir
468 # and tells GDB to look there for source files.
470 if [ -r ${srcdir}/.gdbinit ] ; then
474 *) cat > .gdbinit <<EOF
475 # ${NO_EDIT} > .gdbinit
478 source ${srcdir}/.gdbinit
484 # Install a makefile, and make it set VPATH
485 # if necessary so that the sources are found.
486 # Also change its value of srcdir.
487 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
488 # been somewhat optimized and is perhaps a bit twisty.
490 # code is order so as to try to sed the smallest input files we know.
492 # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
493 # so do these separately because I don't trust the order of sed -e expressions.
495 # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
497 "") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
499 site_makefile_frag=${srcdir}/config/ms-${site}
501 if [ -f ${site_makefile_frag} ] ; then
502 sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
505 cp ${srcdir}/${Makefile_in} Makefile.tem
510 # working copy now in Makefile.tem
512 # Conditionalize the makefile for this host.
513 case "${host_makefile_frag}" in
514 "") mv Makefile.tem ${Makefile} ;;
516 host_makefile_frag=${srcdir}/${host_makefile_frag}
517 if [ -f ${host_makefile_frag} ] ; then
518 sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem > ${Makefile}
520 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
521 echo '***' is missing in ${PWD}. 1>&2
522 mv Makefile.tem ${Makefile}
525 # working copy now in ${Makefile}
527 # Conditionalize the makefile for this target.
528 case "${target_makefile_frag}" in
529 "") mv ${Makefile} Makefile.tem ;;
531 target_makefile_frag=${srcdir}/${target_makefile_frag}
532 if [ -f ${target_makefile_frag} ] ; then
533 sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > Makefile.tem
535 mv ${Makefile} Makefile.tem
536 target_makefile_frag=
540 # real copy now in Makefile.tem
542 # prepend warning about editting, and a bunch of variables.
543 cat > ${Makefile} <<EOF
545 host_alias = ${host_alias}
546 host_cpu = ${host_cpu}
547 host_vendor = ${host_vendor}
549 target_alias = ${target_alias}
550 target_cpu = ${target_cpu}
551 target_vendor = ${target_vendor}
552 target_os = ${target_os}
553 target_makefile_frag = ${target_makefile_frag}
554 host_makefile_frag = ${host_makefile_frag}
555 site_makefile_frag = ${site_makefile_frag}
556 links = ${configlinks}
560 # fixme: this shouldn't be in configure.
561 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
562 case "${host_alias}" in
565 echo "ALL=all.internal" >> ${Makefile}
568 echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
569 echo "ALL=all.cross" >> ${Makefile}
570 case "${program_prefix}" in
571 "") program_prefix=${target_alias}- ;;
575 tooldir="$(libdir)/${target_alias}"
579 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS, remove any form
581 sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
582 -e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
583 -e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
584 -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
585 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
587 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
588 -e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
589 Makefile.tem >> ${Makefile}
590 # final copy now in ${Makefile}
594 if [ -n "${verbose}" -o -z "${silent}" ] ; then
595 case "${host_makefile_frag}" in
597 *) using="and \"${host_makefile_frag}\"" ;;
600 case "${target_makefile_frag}" in
602 *) using="${using} and \"${target_makefile_frag}\"" ;;
605 case "${site_makefile_frag}" in
607 *) using="${using} and \"${site_makefile_frag}\"" ;;
610 echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
615 # describe the chosen configuration in config.status.
616 # Make that file a shellscript which will reestablish
617 # the same configuration. Used in Makefiles to rebuild
620 case "${norecursion}" in
621 "") arguments="${arguments} -norecursion" ;;
627 # ${PWD} was configured as follows:
628 ${progname}" ${arguments} "
629 # ${using}" > config.status
630 chmod a+x config.status
632 # If there are subdirectories, then recur.
633 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
634 for configdir in ${configdirs} ; do
637 *) echo Configuring ${configdir}... ;;
640 if [ -d ${srcdir}/${configdir} ] ; then
644 if [ ! -d ./${configdir} ] ; then
653 ### figure out what to do with srcdir
655 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
657 newsrcdir=${srcdir}/${configdir}
658 srcdiroption="-srcdir=${newsrcdir}"
660 *) # otherwise relative
661 newsrcdir=../${srcdir}/${configdir}
662 srcdiroption="-srcdir=${newsrcdir}"
666 ### check for guested configure, otherwise fix possibly relative progname
667 if [ -f ${newsrcdir}/configure ] ; then
668 recprog=${newsrcdir}/configure
670 case "${progname}" in
671 /*) recprog=${progname} ;;
672 *) recprog=../${progname} ;;
676 ### The recursion line is here.
677 if ${recprog} -s ${host_alias} -target=${target_alias} \
678 ${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
679 ${srcdiroption} ${program_prefixoption} ; then
689 *) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
697 # trap cmd above handles this now:
698 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos