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 # remove any possible trailing slash from srcdir. See note below.
112 elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
113 elif [ -n "${next_program_prefix}" ] ; then
114 program_prefix=${arg}
115 program_prefixoption="-program_prefix=${program_prefix}"
117 elif [ -n "${next_target}" ] ; then
119 case "${target_alias}" in
121 target_alias="${arg}"
124 echo '***' Can only configure for one target at a time. 1>&2
128 elif [ -n "${next_tmpdir}" ] ; then
130 tmpdiroption="--tmpdir=${arg}"
135 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
136 exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
137 exec_prefixoption=${arg}
139 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
148 -host=* | --host=* | --hos=* | --ho=*)
149 case "${host_alias}" in
151 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
154 echo '***' Can only configure for one host at a time. 1>&2
162 -norecursion | --no*)
165 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
166 prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
169 -prefix | --prefix | --prefi | --pref | --pre)
172 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
173 program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
174 program_prefixoption=${arg}
176 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
177 next_program_prefix=yes
179 -s | -silent | --silent | --silen | --sile | --sil)
181 arguments=`echo ${arguments} | sed "s:${arg}::"`
183 -site=* | --site=* | --sit=* | --si=*)
184 site=`echo ${arg} | sed 's/^[-a-z]*=//'`
186 -site | --site | --sit)
189 # remove trailing slashes. Otherwise, when the file name gets
190 # bolted into an object file as debug info, it has two slashes in
191 # it. Ordinarily this is ok, but emacs takes double slash to
192 # mean "forget the first part".
193 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
194 srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
196 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
199 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
200 case "${target_alias}" in
201 "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
203 echo '***' Can only configure for one target at a time. 1>&2
208 -target | --target | --targe | --targ | --tar | --ta)
211 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
213 TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
215 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
221 -version | -V | --version | --V)
222 echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
228 echo "Unrecognized option: \"${arg}\"". ;
238 echo '***' Can only configure for one host and one target at a time. 1>&2
247 # process host and target
250 # # Complain if an arg is missing
251 # if [ -z "${host_alias}" ] ; then
253 # echo "configure: No HOST specified." ;
258 ### This is a bit twisted.
259 ### * if all three are specified, this is an error.
260 ### * if we have neither hosts, nor unadorned args, this is an error.
261 ### * if no hosts are specified, then the unadorned args are hosts, but if
262 ### there were none, this is an error.
263 ### * if no targets are specified, then the unadorned args are targets, but if
264 ### there were no unadorned args, then the hosts are also targets.
266 if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
267 echo '***' Can only configure for one host and one target at a time. 1>&2
269 elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
270 echo '***' You must tell me for which host you want to configure. 1>&2
273 case "${host_alias}" in
274 "") host_alias=${undefs} ;;
278 case "${target_alias}" in
281 "") target_alias=${host_alias} ;;
282 *) target_alias=${undefs} ;;
292 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
293 (echo "Usage: configure HOST" ;
295 echo "Options: [defaults in brackets]" ;
296 echo " -exec_prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
297 echo " -gas configure the compilers for use with gas. [native as]" ;
298 echo " -help print this message. [normal config]" ;
299 echo " -lang=LANG configure to build LANG. [gcc]" ;
300 echo " -nfp configure the compilers default to soft floating point. [hard float]" ;
301 echo " -norecursion configure this directory only. [recurse]" ;
302 echo " -prefix=MYDIR configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
303 echo " -program_prefix=FOO install programs with FOO prepended to their names. [ \"\" ]" ;
304 echo " -site=SITE configure with site specific makefile for SITE" ;
305 echo " -srcdir=DIR find the sources in DIR. [\".\" or \"..\"]" ;
306 echo " -target=TARGET configure for TARGET. [TARGET = HOST]" ;
307 echo " -tmpdir=TMPDIR create temporary files in TMPDIR. [ TMPDIR = \"/tmp\" ]" ;
309 echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
312 if [ -r config.status ] ; then
319 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
321 if ${configsub} `echo ${host_alias} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
324 echo '***' cannot find config.sub. 1>&2
330 if [ -r configure.in ] ; then
333 if [ -r ${progname}.in ] ; then
334 srcdir=`echo ${progname} | sed 's:/configure$::'`
336 echo '***' "Can't find configure.in. Try using -srcdir=some_dir" 1>&2
344 ### warn about some conflicting configurations.
349 if [ -f ${srcdir}/config.status ] ; then
350 echo '***' Cannot configure for ${PWD} when ${srcdir}/config.status exists. 1>&2
355 # default exec_prefix
356 case "${exec_prefix}" in
357 "") exec_prefix="${prefix}" ;;
361 ### break up ${srcdir}/configure.in.
362 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
364 echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
370 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
372 echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
379 "") TMPDIR=/tmp ; export TMPDIR ;;
383 # keep this filename short for &%*%$*# 14 char file names
384 tmpfile=${TMPDIR}/cONf$$
385 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
387 # split ${srcdir}/configure.in into common, per-host, per-target,
388 # and post-target parts. Post-target is optional.
389 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
390 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
391 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
392 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
393 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
395 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
399 ### do common part of configure.in
403 # some sanity checks on configure.in
404 case "${srctrigger}" in
406 echo '***' srctrigger not set in ${PWD}/configure.in. 1>&2
412 result=`${configsub} ${host_alias}`
413 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
414 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
415 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
416 host=${host_cpu}-${host_vendor}-${host_os}
420 result=`${configsub} ${target_alias}`
421 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
422 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
423 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
424 target=${target_cpu}-${target_vendor}-${target_os}
428 # Find the source files, if location was not specified.
433 if [ ! -r ${srctrigger} ] ; then
440 if [ ! -r ${srcdir}/${srctrigger} ] ; then
441 case "${srcdirdefaulted}" in
442 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
443 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
446 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
450 # Set up the list of links to be made.
451 # ${links} is the list of link names, and ${files} is the list of names to link to.
454 configlinks="${links}"
455 while [ -n "${files}" ] ; do
456 # set file to car of files, files to cdr of files
457 set ${files}; file=$1; shift; files=$*
458 set ${links}; link=$1; shift; links=$*
460 if [ ! -r ${srcdir}/${file} ] ; then
461 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
462 echo '***' "since the file \"${file}\" does not exist." 1>&2
468 # Make a symlink if possible, otherwise try a hard link
469 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
471 if [ ! -r ${link} ] ; then
472 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
478 *) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
482 # Create a .gdbinit file which runs the one in srcdir
483 # and tells GDB to look there for source files.
485 if [ -r ${srcdir}/.gdbinit ] ; then
489 *) cat > .gdbinit <<EOF
490 # ${NO_EDIT} > .gdbinit
493 source ${srcdir}/.gdbinit
499 # Install a makefile, and make it set VPATH
500 # if necessary so that the sources are found.
501 # Also change its value of srcdir.
502 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
503 # been somewhat optimized and is perhaps a bit twisty.
505 # code is order so as to try to sed the smallest input files we know.
507 # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
508 # so do these separately because I don't trust the order of sed -e expressions.
510 # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
512 "") cp ${srcdir}/${Makefile_in} Makefile.tem ;;
514 site_makefile_frag=${srcdir}/config/ms-${site}
516 if [ -f ${site_makefile_frag} ] ; then
517 sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${Makefile_in} \
520 cp ${srcdir}/${Makefile_in} Makefile.tem
525 # working copy now in Makefile.tem
527 # Conditionalize the makefile for this host.
528 case "${host_makefile_frag}" in
529 "") mv Makefile.tem ${Makefile} ;;
531 host_makefile_frag=${srcdir}/${host_makefile_frag}
532 if [ -f ${host_makefile_frag} ] ; then
533 sed -e "/^####/ r ${host_makefile_frag}" Makefile.tem > ${Makefile}
535 echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
536 echo '***' is missing in ${PWD}. 1>&2
537 mv Makefile.tem ${Makefile}
540 # working copy now in ${Makefile}
542 # Conditionalize the makefile for this target.
543 case "${target_makefile_frag}" in
544 "") mv ${Makefile} Makefile.tem ;;
546 target_makefile_frag=${srcdir}/${target_makefile_frag}
547 if [ -f ${target_makefile_frag} ] ; then
548 sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > Makefile.tem
550 mv ${Makefile} Makefile.tem
551 target_makefile_frag=
555 # real copy now in Makefile.tem
557 # prepend warning about editting, and a bunch of variables.
558 cat > ${Makefile} <<EOF
560 host_alias = ${host_alias}
561 host_cpu = ${host_cpu}
562 host_vendor = ${host_vendor}
564 target_alias = ${target_alias}
565 target_cpu = ${target_cpu}
566 target_vendor = ${target_vendor}
567 target_os = ${target_os}
568 target_makefile_frag = ${target_makefile_frag}
569 host_makefile_frag = ${host_makefile_frag}
570 site_makefile_frag = ${site_makefile_frag}
571 links = ${configlinks}
575 # fixme: this shouldn't be in configure.
576 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
577 case "${host_alias}" in
580 echo "ALL=all.internal" >> ${Makefile}
583 echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
584 echo "ALL=all.cross" >> ${Makefile}
585 case "${program_prefix}" in
586 "") program_prefix=${target_alias}- ;;
590 tooldir="$(libdir)/${target_alias}"
594 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS, remove any form
596 sed -e "s:^prefix[ ]*=.*$:prefix = ${prefix}:" \
597 -e "s:^exec_prefix[ ]*=.*$:exec_prefix = ${exec_prefix}:" \
598 -e "s:^srcdir[ ]*=.*$:srcdir = ${srcdir}:" \
599 -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
600 -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
602 -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
603 -e "s:^tooldir[ ]*=.*$:tooldir = ${tooldir}:" \
604 Makefile.tem >> ${Makefile}
605 # final copy now in ${Makefile}
609 if [ -n "${verbose}" -o -z "${silent}" ] ; then
610 case "${host_makefile_frag}" in
612 *) using="and \"${host_makefile_frag}\"" ;;
615 case "${target_makefile_frag}" in
617 *) using="${using} and \"${target_makefile_frag}\"" ;;
620 case "${site_makefile_frag}" in
622 *) using="${using} and \"${site_makefile_frag}\"" ;;
625 echo "Created \"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
630 # describe the chosen configuration in config.status.
631 # Make that file a shellscript which will reestablish
632 # the same configuration. Used in Makefiles to rebuild
635 case "${norecursion}" in
636 "") arguments="${arguments} -norecursion" ;;
642 # ${PWD} was configured as follows:
643 ${progname}" ${arguments} "
644 # ${using}" > config.status
645 chmod a+x config.status
647 # If there are subdirectories, then recur.
648 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
649 for configdir in ${configdirs} ; do
652 *) echo Configuring ${configdir}... ;;
655 if [ -d ${srcdir}/${configdir} ] ; then
659 if [ ! -d ./${configdir} ] ; then
668 ### figure out what to do with srcdir
670 ".") newsrcdir=${srcdir} ;; # no -srcdir option. We're building in place.
672 newsrcdir=${srcdir}/${configdir}
673 srcdiroption="-srcdir=${newsrcdir}"
675 *) # otherwise relative
676 newsrcdir=../${srcdir}/${configdir}
677 srcdiroption="-srcdir=${newsrcdir}"
681 ### check for guested configure, otherwise fix possibly relative progname
682 if [ -f ${newsrcdir}/configure ] ; then
683 recprog=${newsrcdir}/configure
685 case "${progname}" in
686 /*) recprog=${progname} ;;
687 *) recprog=../${progname} ;;
691 ### The recursion line is here.
692 if ${recprog} -s ${host_alias} -target=${target_alias} \
693 ${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
694 ${srcdiroption} ${program_prefixoption} ; then
704 *) echo Warning: source directory \"${srcdir}/${configdir}\" is missing. ;;
712 # trap cmd above handles this now:
713 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos