4 # Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
6 #This file is part of GNU.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
24 # Please email any bugs, comments, and/or additions to this file to:
25 # configure@cygnus.com
28 # Shell script to create proper links to machine-dependent files in
29 # preparation for compilation.
31 # If configure succeeds, it leaves its status in config.status.
32 # If configure fails after disturbing the status quo,
33 # config.status is removed.
45 #symbolic_link="echo ln -s"
47 # clear some things potentially inherited from environment.
50 Makefile_in=Makefile.in
79 -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
80 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
82 -languages=* | +languages=* | +language=* | +languag=* \
83 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
85 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
99 -objdir=* | +objdir=* | +objdi=* | +objd=* | +obj=* | +ob=* | +o=*)
101 objdir=`echo ${arg} | sed 's/[+-]o[a-z]*=//'`
103 -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
109 -site=* | +site=* | +sit=* | +si=*)
110 site=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
112 # -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=*)
113 # srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
118 -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
119 if [ -n "${targets}" ] ; then
123 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
124 targets="${newtargets}"
126 -tmpdir=* | +tmpdir=* | +tmpdi=* | +tmpd=* | +tmp=* | +tm=*)
128 TMPDIR=`echo ${arg} | sed 's/[+-]t[a-z]*=//'`
135 echo "Unrecognized option: \"${arg}\"". ;
140 if [ -n "${hosts}" ] ; then
144 newhosts="${hosts} ${arg}"
150 if [ -n "${verbose}" ] ; then
154 ## this is a little touchy and won't always work, but...
156 ## if the argv[0] starts with a slash then it is an absolute name that can be
159 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
160 ## path. Since PATH might include "." we also add `pwd` to the end of PATH.
162 ## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
166 if (echo $0 | grep '^/' > /dev/null) ; then
169 if (echo $0 | grep '/' > /dev/null) ; then
173 PATH=$PATH:`pwd` ; export PATH
177 configsub=`echo ${progname} | sed 's/configure\$/config.sub/'`
179 if [ ! -f ${configsub} ] ; then
180 echo '***' cannot find config.sub.
184 # process host and target only if not removing.
185 if [ -z "${removing}" -a -z "${fatal}" ] ; then
186 # Complain if an arg is missing
187 if [ -z "${hosts}" ] ; then
189 echo "configure: No HOST specified." ;
195 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
196 (echo "Usage: configure HOST" ;
198 echo "Options: [defaults in brackets]" ;
199 echo " +ansi configure w/ANSI library. [no ansi lib]" ;
200 echo " +destdir=MYDIR configure for installation into MYDIR. [\"/usr/local\"]" ;
201 echo " +gas configure the compilers for use with gas. [native as]" ;
202 echo " +help print this message. [normal config]" ;
203 echo " +lang=LANG configure to build LANG. [gcc]" ;
204 echo " +nfp configure the compilers default to soft floating point. [hard float]" ;
205 echo " +norecursion configure this directory only. [recurse]" ;
206 echo " +objdir=ODIR configure in a parallel tree rooted in ODIR. [rooted in \".\"]" ;
207 echo " +rm remove this configuration. [build a configuration]" ;
208 echo " +subdirs configure in subdirectories. [in source directories]" ;
209 echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ;
210 echo " +tmpdir=TMPDIR create temporary files in TMPDIR. [ TMPDIR = \"/tmp\" ]" ;
212 echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
213 echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ;
214 echo "options given will apply to all targets.") 1>&2
216 if [ -r config.status ] ; then
223 ### break up configure.in.
224 if [ -r configure.in ] ; then
225 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
226 echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
230 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
231 echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
235 if [ -z "${TMPDIR}" ] ; then
236 TMPDIR=/tmp ; export TMPDIR
239 # split configure.in into common, per-host, per-target,
240 # and post-target parts. Post-target is optional.
241 sed -e '/^# per\-host:/,$d' configure.in > ${TMPDIR}/configure.$$.com
242 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.hst
243 if grep -s '^# post-target:' configure.in ; then
244 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > ${TMPDIR}/configure.$$.tgt
245 sed -e '1,/^# post\-target:/d' configure.in > ${TMPDIR}/configure.$$.pos
247 sed -e '1,/^# per\-target:/d' configure.in > ${TMPDIR}/configure.$$.tgt
248 echo >${TMPDIR}/configure.$$.pos
252 echo '***' No configure.in in `pwd`
256 ### do common part of configure.in
258 . ${TMPDIR}/configure.$$.com
260 # some sanity checks on configure.in
261 if [ -z "${srctrigger}" ] ; then
262 echo '***' srctrigger not set in `pwd`/configure.in.
266 for host in ${hosts} ; do
268 if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
275 result=`${configsub} ${host}`
276 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
277 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
278 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
279 host=${host_cpu}-${host_vendor}-${host_os}
280 host_makefile_frag=config/hmake-${host}
282 . ${TMPDIR}/configure.$$.hst
284 for target in ${targets} ; do
286 target_alias=${target}
287 result=`${configsub} ${target}`
288 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
289 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
290 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
291 target=${target_cpu}-${target_vendor}-${target_os}
292 target_makefile_frag=config/tmake-${target}
294 . ${TMPDIR}/configure.$$.tgt
296 # Temporarily, we support only direct subdir builds.
297 hostsubdir=H-${host_alias}
298 targetsubdir=T-${target_alias}
300 if [ -n "${removing}" ] ; then
301 if [ -n "${objdir}" ] ; then
302 echo '***' +rm not supported for +objdir. Just \"rm -rf ${objdir}\" by hand.
306 if [ -n "${subdirs}" ] ; then
307 if [ -d "${hostsubdir}" ] ; then
308 rm -rf ${hostsubdir}/${targetsubdir}
310 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep T- | grep -v T-independent`" ] ; then
314 echo Warning: no `pwd`/${hostsubdir} to remove.
317 rm -f ${Makefile} config.status ${links}
320 if [ -n "${objdir}" ]; then
325 if [ -n "${subdirs}" ] ; then
326 # check for existing status before allowing forced subdirs.
327 if [ -f ${Makefile} ] ; then
328 echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2
332 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
335 if [ ! -d ${targetsubdir} ] ; then
336 if [ -z "${commontargets}" ] ; then
337 mkdir ${targetsubdir}
339 if [ ! -d T-independent ] ; then
343 ${symbolic_link} T-independent ${targetsubdir}
344 fi # if target independent
345 fi # if no target dir yet
349 if [ -z "${srcdir}" ] ; then
353 # if not subdir builds, then make sure none exist.
354 if [ -n "`(ls .) 2>&1 | (grep H- ; true)`" ] ; then
355 echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2
362 # Find the source files, if location was not specified.
363 if [ -z "${srcdir}" ] ; then
366 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
371 if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
372 if [ -z "${srcdirdefaulted}" ] ; then
373 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
375 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
378 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
382 # Set up the list of links to be made.
383 # ${links} is the list of link names, and ${files} is the list of names to link to.
386 while [ -n "${files}" ] ; do
387 # set file to car of files, files to cdr of files
388 set ${files}; file=$1; shift; files=$*
389 set ${links}; link=$1; shift; links=$*
391 if [ ! -r ${srcdir}/${file} ] ; then
392 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
393 echo '***' "since the file \"${file}\" does not exist." 1>&2
399 # Make a symlink if possible, otherwise try a hard link
400 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
402 if [ ! -r ${link} ] ; then
403 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
407 if [ -n "${verbose}" ] ; then
408 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
412 # Create a .gdbinit file which runs the one in srcdir
413 # and tells GDB to look there for source files.
419 echo "dir ." > .gdbinit
420 echo "dir ${srcdir}" >> .gdbinit
421 echo "source ${srcdir}/.gdbinit" >> .gdbinit
425 # Install a makefile, and make it set VPATH
426 # if necessary so that the sources are found.
427 # Also change its value of srcdir.
429 # FIXME-someday: This business of always writing to .tem and mv back
430 # is so that I don't screw things up while developing. Once this
431 # template is stable, these should be optimized. xoxorich.
433 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
434 if [ "${host}" != "${target}" ] ; then
435 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
436 echo "ALL=start.encap" >> ${Makefile}
438 echo "ALL=all.internal" > ${Makefile}
441 # set target, host, VPATH
442 echo "host_alias = ${host_alias}" >> ${Makefile}
443 echo "host_cpu = ${host_cpu}" >> ${Makefile}
444 echo "host_vendor = ${host_vendor}" >> ${Makefile}
445 echo "host_os = ${host_os}" >> ${Makefile}
447 echo "target_alias = ${target_alias}" >> ${Makefile}
448 echo "target_cpu = ${target_cpu}" >> ${Makefile}
449 echo "target_vendor = ${target_vendor}" >> ${Makefile}
450 echo "target_os = ${target_os}" >> ${Makefile}
452 if [ -n "${subdirs}" ] ; then
453 (echo "subdir = /${hostsubdir}/${targetsubdir}" ;
454 echo "unsubdir = ../..") >> ${Makefile}
457 echo "unsubdir = .") >> ${Makefile}
460 # echo "workdir = `pwd`" >> ${Makefile}
461 echo "VPATH = ${srcdir}" >> ${Makefile}
463 # add "Makefile.in" (or whatever it's called)
464 cat ${srcdir}/${Makefile_in} >> ${Makefile}
466 # Conditionalize the makefile for this host.
467 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
468 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
469 sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
470 mv Makefile.tem ${Makefile}
473 # Conditionalize the makefile for this target.
474 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
475 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
476 sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
477 mv Makefile.tem ${Makefile}
480 # Conditionalize the makefile for this site.
481 if [ -n "${site}" ] ; then
482 site_makefile_frag=smake-${site}
484 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
485 (echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" ;
486 sed -e "/^####/ r ${srcdir}/${site_makefile_frag}" ${Makefile}) > Makefile.tem
487 mv Makefile.tem ${Makefile}
492 sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
493 mv Makefile.tem ${Makefile}
496 if [ -n "${destdir}" ] ; then
497 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
498 mv Makefile.tem ${Makefile}
502 sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
503 mv Makefile.tem ${Makefile}
506 sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
507 mv Makefile.tem ${Makefile}
509 # remove any form feeds.
510 sed -e "s/
\f//" ${Makefile} > Makefile.tem
511 mv Makefile.tem ${Makefile}
514 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
515 using=" using \"${host_makefile_frag}\""
518 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
519 if [ -z "${using}" ] ; then
520 andusing=" using \"${target_makefile_frag}\""
522 andusing="${using} and \"${target_makefile_frag}\""
528 if [ -f ${srcdir}/${site_makefile_frag} ] ; then
529 if [ -z "${andusing}" ] ; then
530 andandusing=" using \"${site_makefile_frag}\""
532 andandusing="${andusing} and \"${site_makefile_frag}\""
538 if [ -n "${verbose}" -o -z "${recurring}" ] ; then
539 echo "Created \"${Makefile}\"" in `pwd`${andandusing}.
542 if [ -f ${TMPDIR}/configure.$$.pos ] ; then
543 . ${TMPDIR}/configure.$$.pos
546 # describe the chosen configuration in config.status.
547 # Make that file a shellscript which will reestablish
548 # the same configuration. Used in Makefiles to rebuild
552 # `pwd` was configured as follows:
553 (cd ${srcdir} ; ${progname}" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` ")" > config.status
554 chmod a+x config.status
560 # If there are subdirectories, then recurse.
561 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
562 for configdir in ${configdirs} ; do
563 if [ -n "${verbose}" ] ; then
564 echo Configuring ${configdir}...
567 if [ -d ${configdir} ] ; then
568 if [ -n "${objdir}" ] ; then
569 if [ ! -d ${objdir}/${configdir} ] ; then
570 mkdir ${objdir}/${configdir}
575 ${progname} +recurring ${host_alias} +target=${target_alias} \
576 ${verbose} ${subdirs} ${removing} +destdir=${destdir} \
577 `if [ -n "${objdir}" ] ; then echo +objdir=${objdir}/${configdir} ; fi` \
581 if [ -n "${verbose}" ] ; then
582 echo Warning: directory \"${configdir}\" is missing.
587 done # for each target
589 # Now build a Makefile for this host.
590 if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
593 if [ -n "${objdir}" ] ; then
598 cat > GNUmakefile << E!O!F
599 # Makefile generated by configure for host ${host_alias}.
601 ALL := $(shell ls -d T-*)
604 $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
614 rm -f ${TMPDIR}/configure.$$.com ${TMPDIR}/configure.$$.tgt ${TMPDIR}/configure.$$.hst ${TMPDIR}/configure.$$.pos
621 # Revision 1.51 1991/10/08 06:07:58 wilson
622 # Fix bug in smake- file code.
624 # Revision 1.50 1991/10/04 23:49:37 rich
625 # Per's patch for my config.sub botch.
627 # Revision 1.49 1991/10/04 22:52:09 rich
628 # Use john's heuristic for finding ourselves. kinda like hare krishna.
630 # Revision 1.48 1991/10/02 13:17:28 rich
631 # take out the set -e for now
633 # Revision 1.47 1991/10/02 10:02:23 rich
634 # * temporary files in TMPDIR
637 # Revision 1.46 1991/10/02 06:29:53 rich
638 # Added +site=foo option for naming site specific Makefile fragments.
640 # Revision 1.45 1991/10/02 06:15:13 rich
641 # Removed +f option. Used to stand for +forcesubdirs which is now
644 # Revision 1.44 1991/10/02 06:02:35 rich
645 # Added rcs log line.