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
69 program_prefix_option
=
84 NO_EDIT
="This file was generated automatically by configure. Do not edit."
86 ## this is a little touchy and won't always work, but...
88 ## if the argv[0] starts with a slash then it is an absolute name that can (and
89 ## must) be used as is.
91 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
92 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
102 PATH
=$PATH:${PWD} ; export PATH
108 # handle things that might have args following as separate words
109 if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix
=
110 elif [ -n "${next_exec_prefix}" ] ; then
112 exec_prefixoption
="-exec_prefix=${exec_prefix}"
114 elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
115 # remove any possible trailing slash from srcdir. See note below.
116 elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
117 elif [ -n "${next_program_prefix}" ] ; then
118 program_prefix=${arg}
119 program_prefixoption="-program_prefix=${program_prefix}"
121 elif [ -n "${next_target}" ] ; then
123 case "${target_alias}" in
125 target_alias="${arg}"
128 echo '***' Can only configure for one target at a time. 1>&2
132 elif [ -n "${next_tmpdir}" ] ; then
134 tmpdiroption="--tmpdir=${arg}"
139 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=*)
140 exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
141 exec_prefixoption=${arg}
143 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e)
152 -host=* | --host=* | --hos=* | --ho=*)
153 case "${host_alias}" in
155 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
158 echo '***' Can only configure for one host at a time. 1>&2
166 -norecursion | --no*)
169 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
170 prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
173 -prefix | --prefix | --prefi | --pref | --pre)
176 -rm | --rm) removing=${arg} ;;
177 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | --program_=* | --program=* | --progra=* | --progr=* | --prog=* | --pro=*)
178 program_prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
179 program_prefixoption=${arg}
181 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | --program_ | --program | --progra | --progr | --prog | --pro)
182 next_program_prefix=yes
184 -s | -silent | --silent | --silen | --sile | --sil)
186 arguments=`echo ${arguments} | sed "s
:${arg}::"`
188 -site=* | --site=* | --sit=* | --si=*)
190 site=`echo ${arg} | sed 's/^[-a-z]*=//'`
192 -site | --site | --sit)
195 # remove trailing slashes. Otherwise, when the file name gets
196 # bolted into an object file as debug info, it has two slashes in
197 # it. Ordinarily this is ok, but emacs takes double slash to
198 # mean "forget the first part
".
199 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
200 srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
202 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
205 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
206 case "${target_alias}" in
207 "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
209 echo '***' Can only configure for one target at a time. 1>&2
214 -target | --target | --targe | --targ | --tar | --ta)
217 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
219 TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
221 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
227 -version | -V | --version | --V)
228 echo "This is Cygnus Configure version
" `echo ${version} | sed 's/[ $:]//g'`
234 echo "Unrecognized option
: \"${arg}\"". ;
244 echo '***' Can only configure for one host and one target at a time. 1>&2
253 # process host and target
256 # # Complain if an arg is missing
257 # if [ -z "${host_alias}" ] ; then
259 # echo "configure
: No HOST specified.
" ;
264 ### This is a bit twisted.
265 ### * if all three are specified, this is an error.
266 ### * if we have neither hosts, nor unadorned args, this is an error.
267 ### * if no hosts are specified, then the unadorned args are hosts, but if
268 ### there were none, this is an error.
269 ### * if no targets are specified, then the unadorned args are targets, but if
270 ### there were no unadorned args, then the hosts are also targets.
272 if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
273 echo '***' Can only configure for one host and one target at a time. 1>&2
275 elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
276 echo '***' You must tell me for which host you want to configure. 1>&2
279 case "${host_alias}" in
280 "") host_alias=${undefs} ;;
284 case "${target_alias}" in
287 "") target_alias=${host_alias} ;;
288 *) target_alias=${undefs} ;;
298 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
299 (echo "Usage
: configure HOST
" ;
301 echo "Options
: [defaults
in brackets
]" ;
302 echo " -exec_prefix=MYDIR configure
for installation of
host dependent files into MYDIR.
[\"/usr
/local\"]" ;
303 echo " -gas configure the compilers
for use with gas.
[native as
]" ;
304 echo " -help print this message.
[normal config
]" ;
305 echo " -lang=LANG configure to build LANG.
[gcc
]" ;
306 echo " -nfp configure the compilers default to soft floating point.
[hard float
]" ;
307 echo " -norecursion configure this directory only.
[recurse
]" ;
308 echo " -prefix=MYDIR configure
for installation of
host dependent files into MYDIR.
[\"/usr
/local\"]" ;
309 echo " -program_prefix=FOO
install programs with FOO prepended to their names.
[ \"\" ]" ;
310 echo " -site=SITE configure with site specific makefile
for SITE
" ;
311 echo " -srcdir=DIR
find the sources
in DIR.
[\".
\" or
\"..
\"]" ;
312 echo " -target=TARGET configure
for TARGET.
[TARGET
= HOST
]" ;
313 echo " -tmpdir=TMPDIR create temporary files
in TMPDIR.
[ TMPDIR
= \"/tmp
\" ]" ;
315 echo "Where HOST and TARGET are something like
\"vax
\", \"sun3
\", \"encore
\", etc.
" ;
318 if [ -r config.status ] ; then
325 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
327 if ${configsub} `echo ${host_alias} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
330 echo '***' cannot find config.sub. 1>&2
336 if [ -r configure.in ] ; then
339 if [ -r ${progname}.in ] ; then
340 srcdir=`echo ${progname} | sed 's:/configure$::'`
342 echo '***' "Can
't find configure.in. Try using -srcdir=some_dir" 1>&2
350 ### warn about some conflicting configurations.
355 if [ -f ${srcdir}/config.status ] ; then
356 echo '***' Cannot configure here in \"${PWD}\" when \"${srcdir}\" is currently configured. 1>&2
361 # default exec_prefix
362 case "${exec_prefix}" in
363 "") exec_prefix="\$(prefix)" ;;
367 ### break up ${srcdir}/configure.in.
368 case "`grep '^
# per\-host:' ${srcdir}/configure.in`" in
370 echo '***' ${srcdir}/configure.
in has no
"per-host:" line.
1>&2
376 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
378 echo '***' ${srcdir}/configure.
in has no
"per-target:" line.
1>&2
385 "") TMPDIR
=/tmp
; export TMPDIR
;;
389 # keep this filename short for &%*%$*# 14 char file names
390 tmpfile
=${TMPDIR}/cONf$$
391 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
393 # split ${srcdir}/configure.in into common, per-host, per-target,
394 # and post-target parts. Post-target is optional.
395 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.
in > ${tmpfile}.com
396 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.
in > ${tmpfile}.hst
397 if grep '^# post-target:' ${srcdir}/configure.
in >/dev
/null
; then
398 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.
in > ${tmpfile}.tgt
399 sed -e '1,/^# post\-target:/d' ${srcdir}/configure.
in > ${tmpfile}.pos
401 sed -e '1,/^# per\-target:/d' ${srcdir}/configure.
in > ${tmpfile}.tgt
405 ### do common part of configure.in
409 # some sanity checks on configure.in
410 case "${srctrigger}" in
412 echo '***' srctrigger not
set in ${PWD}/configure.
in.
1>&2
418 result
=`${configsub} ${host_alias}`
419 host_cpu
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
420 host_vendor
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
421 host_os
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
422 host=${host_cpu}-${host_vendor}-${host_os}
426 result
=`${configsub} ${target_alias}`
427 target_cpu
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
428 target_vendor
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
429 target_os
=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
430 target
=${target_cpu}-${target_vendor}-${target_os}
434 # Find the source files, if location was not specified.
439 if [ ! -r ${srctrigger} ] ; then
446 if [ ! -r ${srcdir}/${srctrigger} ] ; then
447 case "${srcdirdefaulted}" in
448 "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2 ;;
449 *) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2 ;;
452 echo '***' \
(At least
${srctrigger} is missing.\
) 1>&2
456 for subdir
in .
${subdirs} ; do
458 # ${subdir} is relative path from . to the directory we're currently
460 # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
461 invsubdir
=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
463 ### figure out what to do with srcdir
465 ".") # no -srcdir option. We're building in place.
468 makesrcdir
=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
470 *) # otherwise relative
471 makesrcdir
=..
/${srcdir}/${subdir}
475 if [ "${subdir}/" != "./" ] ; then
476 Makefile
=${subdir}/Makefile
479 case "${removing}" in
481 if [ -n "${verbose}" -o -z "${silent}" ] ; then
482 echo Building
in ${subdir}
484 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
485 # Set up the list of links to be made.
486 # ${links} is the list of link names, and ${files} is the list of names to link to.
489 configlinks
="${links}"
490 while [ -n "${files}" ] ; do
491 # set file to car of files, files to cdr of files
492 set ${files}; file=$1; shift; files
=$
*
493 set ${links}; link
=$1; shift; links
=$
*
495 if [ ! -r ${srcdir}/${file} ] ; then
496 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
497 echo '***' "since the file \"${file}\" does not exist." 1>&2
503 # Make a symlink if possible, otherwise try a hard link
504 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
506 if [ ! -r ${link} ] ; then
507 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
513 *) echo "Linked \"${link}\" to \"${srcdir}/${file}\"." ;;
517 # Create a .gdbinit file which runs the one in srcdir
518 # and tells GDB to look there for source files.
520 if [ -r ${srcdir}/${subdir}/.gdbinit
] ; then
524 *) cat > ${subdir}/.gdbinit
<<EOF
528 source ${makesrcdir}/.gdbinit
534 # Install a makefile, and make it set VPATH
535 # if necessary so that the sources are found.
536 # Also change its value of srcdir.
537 # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
538 # been somewhat optimized and is perhaps a bit twisty.
540 # code is order so as to try to sed the smallest input files we know.
542 # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
543 # so do these separately because I don't trust the order of sed -e expressions.
545 # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
547 "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
;;
549 site_makefile_frag
=${srcdir}/config
/ms-
${site}
551 if [ -f ${site_makefile_frag} ] ; then
552 sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
553 > ${subdir}/Makefile.tem
555 cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
560 # working copy now in ${subdir}/Makefile.tem
562 # Conditionalize the makefile for this host.
563 case "${host_makefile_frag}" in
564 "") mv ${subdir}/Makefile.tem ${Makefile} ;;
566 if [ ! -f ${host_makefile_frag} ] ; then
567 host_makefile_frag=${srcdir}/${host_makefile_frag}
569 if [ -f ${host_makefile_frag} ] ; then
570 sed -e "/^
####/ r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
572 echo '***' Expected
host makefile fragment
\"${host_makefile_frag}\" 1>&2
573 echo '***' is missing
in ${PWD}.
1>&2
574 mv ${subdir}/Makefile.tem
${Makefile}
577 # working copy now in ${Makefile}
579 # Conditionalize the makefile for this target.
580 case "${target_makefile_frag}" in
581 "") mv ${Makefile} ${subdir}/Makefile.tem
;;
583 target_makefile_frag
=${srcdir}/${target_makefile_frag}
584 if [ -f ${target_makefile_frag} ] ; then
585 sed -e "/^####/ r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
587 mv ${Makefile} ${subdir}/Makefile.tem
588 target_makefile_frag=
592 # real copy now in ${subdir}/Makefile.tem
594 # prepend warning about editting, and a bunch of variables.
595 cat > ${Makefile} <<EOF
597 VPATH = ${makesrcdir}
598 links = ${configlinks}
599 host_alias = ${host_alias}
600 host_cpu = ${host_cpu}
601 host_vendor = ${host_vendor}
603 target_alias = ${target_alias}
604 target_cpu = ${target_cpu}
605 target_vendor = ${target_vendor}
606 target_os = ${target_os}
608 if [ "${target_makefile_frag}" != "" ] ; then
609 echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile}
611 if [ "${host_makefile_frag}" != "" ] ; then
612 echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile}
614 if [ "${site_makefile_frag}" != "" ] ; then
615 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
618 # fixme: this shouldn't be in configure.
619 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
620 case "${host_alias}" in
623 echo "ALL
=all.internal
" >> ${Makefile}
626 echo "CROSS
=-DCROSS_COMPILE" >> ${Makefile}
627 echo "ALL
=all.cross
" >> ${Makefile}
628 case "${program_prefix}" in
629 "") program_prefix=${target_alias}- ;;
633 tooldir="\$
(libdir
)/${target_alias}"
637 # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
638 # remove any form feeds.
639 if [ -z "${subdirs}" ]; then
640 sed -e "s
:^SUBDIRS
[ ]*=.
*$
:SUBDIRS
= ${configdirs}:" \
641 -e "s
:^NONSUBDIRS
[ ]*=.
*$
:NONSUBDIRS
= ${noconfigdirs}:" \
642 ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
643 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
645 sed -e "s
:^prefix
[ ]*=.
*$
:prefix
= ${prefix}:" \
646 -e "s
:^exec_prefix
[ ]*=.
*$
:exec_prefix
= ${exec_prefix}:" \
647 -e "s
:^srcdir
[ ]*=.
*$
:srcdir
= ${makesrcdir}:" \
649 -e "s
:^program_prefix
[ ]*=.
*$
:program_prefix
= ${program_prefix}:" \
650 -e "s
:^tooldir
[ ]*=.
*$
:tooldir
= ${tooldir}:" \
651 ${subdir}/Makefile.tem >> ${Makefile}
652 # final copy now in ${Makefile}
654 rm ${subdir}/Makefile.tem
656 if [ -n "${verbose}" -o -z "${silent}" ] ; then
657 case "${host_makefile_frag}" in
659 *) using="and
\"${host_makefile_frag}\"" ;;
662 case "${target_makefile_frag}" in
664 *) using="${using} and
\"${target_makefile_frag}\"" ;;
667 case "${site_makefile_frag}" in
669 *) using="${using} and
\"${site_makefile_frag}\"" ;;
672 echo "Created
\"${Makefile}\" in" ${PWD} `echo "${using}" | sed 's/and/using/'`
677 # describe the chosen configuration in config.status.
678 # Make that file a shellscript which will reestablish
679 # the same configuration. Used in Makefiles to rebuild
682 case "${norecursion}" in
683 "") arguments="${arguments} -norecursion" ;;
687 if [ ${subdir} = . ] ; then
690 # ${PWD} was configured as follows:
691 ${progname}" ${arguments} "
692 # ${using}" > ${subdir}/config.status
696 # ${PWD}/${subdir} was configured as follows:
698 ${progname}" ${arguments} "
699 # ${using}" > ${subdir}/config.status
701 chmod a
+x
${subdir}/config.status
704 *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
708 # If there are subdirectories, then recur.
709 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
710 for configdir
in ${configdirs} ; do
713 *) echo Configuring
${configdir}...
;;
716 if [ -d ${srcdir}/${configdir} ] ; then
720 if [ ! -d .
/${configdir} ] ; then
729 ### figure out what to do with srcdir
731 ".") newsrcdir
=${srcdir} ;; # no -srcdir option. We're building in place.
733 newsrcdir
=${srcdir}/${configdir}
734 srcdiroption
="-srcdir=${newsrcdir}"
736 *) # otherwise relative
737 newsrcdir
=..
/${srcdir}/${configdir}
738 srcdiroption
="-srcdir=${newsrcdir}"
742 ### check for guested configure, otherwise fix possibly relative progname
743 if [ -f ${newsrcdir}/configure
] ; then
744 recprog
=${newsrcdir}/configure
746 case "${progname}" in
747 /*) recprog
=${progname} ;;
748 *) recprog
=..
/${progname} ;;
752 ### The recursion line is here.
753 if ${recprog} -s ${host_alias} -target=${target_alias} \
754 ${verbose} ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
755 ${srcdiroption} ${program_prefixoption} ${site_option} ${removing} ; then
765 *) echo Warning
: source directory
\"${srcdir}/${configdir}\" is missing.
;;
773 # trap cmd above handles this now:
774 #rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos