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. */
25 # Shell script to create proper links to machine-dependent files in
26 # preparation for compilation.
28 # If configure succeeds, it leaves its status in config.status.
29 # If configure fails after disturbing the status quo,
30 # config.status is removed.
40 #symbolic_link="echo ln -s"
44 # clear some things potentially inherited from environment.
52 Makefile_in=Makefile.in
73 -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
74 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
76 -languages=* | +languages=* | +language=* | +languag=* \
77 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
79 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
93 -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
99 # -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
100 # srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
102 -subdirs | +f* | +su*)
105 -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
106 if [ -n "${targets}" ] ; then
110 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
111 targets="${newtargets}"
113 -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
114 template=`echo ${arg} | sed 's/[+-]template=//'`
121 echo "Unrecognized option: \"${arg}\"". ;
126 if [ -n "${hosts}" ] ; then
130 newhosts="${hosts} ${arg}"
136 if [ -n "${verbose}" ] ; then
137 echo `pwd`/configure $*
140 # process host and target only if not rebuilding configure itself or removing.
141 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
142 # Complain if an arg is missing
143 if [ -z "${hosts}" ] ; then
145 echo "configure: No HOST specified." ;
151 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
152 (echo "Usage: configure HOST" ;
154 echo "Options: [defaults in brackets]" ;
155 echo " +ansi configure w/ANSI library. [no ansi lib]" ;
156 echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ;
157 echo " +subdirs configure in subdirectories. [in source directories]" ;
158 echo " +lang=LANG configure to build LANG. [gcc]" ;
159 echo " +help print this message. [normal config]" ;
160 echo " +gas configure the compilers for use with gas. [native as]" ;
161 echo " +nfp configure the compilers default to soft floating point. [hard float]" ;
162 echo " +norecursion configure this directory only. [recurse]" ;
163 echo " +rm remove this configuration. [build a configuration]" ;
164 echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ;
165 echo " +template=TEM rebuild configure using TEM. [normal config]" ;
167 echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
168 echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ;
169 echo "options given will apply to all targets.") 1>&2
171 if [ -r config.status ] ; then
178 #### configure.in common parts come in here.
179 # This file is a shell script fragment that supplies the information
180 # necessary to tailor a template configure script into the configure
181 # script appropriate for this directory. For more information, check
182 # any existing configure script.
184 configdirs="libiberty bfd binutils bison gcc readline ld gas gnulib ${clib} gdb emacs make grep diff rcs gdbm cvs prms"
185 srctrigger=README.configure
186 srcname="gnu development package"
188 ## end of common part.
190 # are we rebuilding config itself?
191 if [ -n "${template}" ] ; then
192 if [ ! -r ${template} ] ; then
193 echo '***' "Can't find template ${template}." 1>&2
198 sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
199 #### configure.in common parts come in here.\
200 ## end of common part.' \
201 -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
202 #### configure.in per-host parts come in here.\
203 ## end of per-host part.' \
204 -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
205 #### configure.in per-target parts come in here.\
206 ## end of per-target part.' \
207 -e '/^#### configure.in post-target parts come in here.$/,/^## end of post-target part.$/c\
208 #### configure.in post-target parts come in here.\
209 ## end of post-target part.' \
210 < ${template} > template.new
212 if [ -r configure.in ] ; then
213 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
214 echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
218 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
219 echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
223 # split configure.in into common, per-host, per-target,
224 # and post-target parts. Post-target is optional.
225 sed -e '/^# per\-host:/,$d' configure.in > configure.com
226 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
227 if grep -s '^# post-target:' configure.in ; then
228 sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' configure.in > configure.tgt
229 sed -e '1,/^# post\-target:/d' configure.in > configure.pos
231 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
236 sed -e '/^#### configure.in common parts come in here.$/ r configure.com' \
237 -e '/^#### configure.in per\-host parts come in here.$/ r configure.hst' \
238 -e '/^#### configure.in per\-target parts come in here.$/ r configure.tgt' \
239 -e '/^#### configure.in post\-target parts come in here.$/ r configure.pos' \
240 template.new > configure.new
242 rm -f configure.com configure.tgt configure.hst configure.pos
244 echo Warning: no configure.in in `pwd`
245 cat ${template} >> configure
248 chmod a+x configure.new
250 # mv configure configure.old
251 mv configure.new configure
253 if [ -n "${verbose}" ] ; then
254 echo Rebuilt configure in `pwd`
257 # Now update config.sub from the template directory.
258 if echo "$template" | grep -s 'configure$' ; then
259 cp `echo "$template" | sed s/configure$/config.sub/` ./config.sub.new
260 # mv config.sub config.sub.old
261 mv config.sub.new config.sub
263 if [ -n "${verbose}" ] ; then
264 echo Rebuilt config.sub in `pwd`
268 if [ -z "${norecursion}" ] ; then
269 # If template is relative path, make it absolute for recurring.
270 if echo "${template}" | grep -s '^/' ; then
273 template=`pwd`/${template}
276 while [ -n "${configdirs}" ] ; do
277 # set configdir to car of configdirs, configdirs to cdr of configdirs
278 set ${configdirs}; configdir=$1; shift; configdirs=$*
280 if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
281 targetspecificdirs=${configdir}.*
286 for i in ${configdir} ${targetspecificdirs} ; do
288 if [ -r $i/configure ] ; then
290 ./configure +template=${template} ${verbose})
292 echo Warning: No configure script in `pwd`/$i
295 if [ -n "${verbose}" ] ; then
296 echo Warning: directory $i is missing.
306 # some sanity checks on configure.in
307 if [ -z "${srctrigger}" ] ; then
308 echo Warning: srctrigger not set in configure.in. `pwd` not configured.
312 for host in ${hosts} ; do
314 if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
321 result=`/bin/sh ./config.sub ${host}`
322 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
323 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
324 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
325 host=${host_cpu}-${host_vendor}-${host_os}
326 host_makefile_frag=config/hmake-${host}
328 #### configure.in per-host parts come in here.
330 # XXX - FIXME there needs to be a case for hmake-dgux
333 sysv* | irix*) host_makefile_frag=config/hmake-sysv ;;
336 ## end of per-host part.
338 for target in ${targets} ; do
340 target_alias=${target}
341 result=`/bin/sh ./config.sub ${target}`
342 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
343 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
344 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
345 target=${target_cpu}-${target_vendor}-${target_os}
346 target_makefile_frag=config/tmake-${target}
348 #### configure.in per-target parts come in here.
350 # XXX - FIXME there needs to be a case for tmake-a29k
357 ## end of per-target part.
359 # Temporarily, we support only direct subdir builds.
360 hostsubdir=H-${host_alias}
361 targetsubdir=T-${target_alias}
363 if [ -n "${removing}" ] ; then
364 if [ -n "${subdirs}" ] ; then
365 if [ -d "${hostsubdir}" ] ; then
366 rm -rf ${hostsubdir}/${targetsubdir}
368 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
372 echo Warning: no `pwd`/${hostsubdir} to remove.
375 rm -f ${Makefile} config.status ${links}
378 if [ -n "${subdirs}" ] ; then
379 # check for existing status before allowing forced subdirs.
380 if [ -f ${Makefile} ] ; then
381 echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2
385 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
388 if [ ! -d ${targetsubdir} ] ; then
389 if [ -z "${commontargets}" ] ; then
390 mkdir ${targetsubdir}
392 if [ ! -d Target-independent ] ; then
393 mkdir Target-independent
396 ${symbolic_link} Target-independent ${targetsubdir}
397 fi # if target independent
398 fi # if no target dir yet
404 # if not subdir builds, then make sure none exist.
405 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
406 echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2
411 # Find the source files, if location was not specified.
412 if [ -z "${srcdir}" ] ; then
415 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
420 if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
421 if [ -z "${srcdirdefaulted}" ] ; then
422 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
424 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
427 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
431 # Set up the list of links to be made.
432 # ${links} is the list of link names, and ${files} is the list of names to link to.
435 while [ -n "${files}" ] ; do
436 # set file to car of files, files to cdr of files
437 set ${files}; file=$1; shift; files=$*
438 set ${links}; link=$1; shift; links=$*
440 if [ ! -r ${srcdir}/${file} ] ; then
441 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
442 echo '***' "since the file \"${file}\" does not exist." 1>&2
448 # Make a symlink if possible, otherwise try a hard link
449 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
451 if [ ! -r ${link} ] ; then
452 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
456 if [ -n "${verbose}" ] ; then
457 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
461 # Create a .gdbinit file which runs the one in srcdir
462 # and tells GDB to look there for source files.
468 echo "dir ." > .gdbinit
469 echo "dir ${srcdir}" >> .gdbinit
470 echo "source ${srcdir}/.gdbinit" >> .gdbinit
474 # Install a makefile, and make it set VPATH
475 # if necessary so that the sources are found.
476 # Also change its value of srcdir.
478 # FIXME-someday: This business of always writing to .tem and mv back
479 # is so that I don't screw things up while developing. Once this
480 # template is stable, these should be optimized. xoxorich.
482 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
483 if [ "${host}" != "${target}" ] ; then
484 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
485 echo "ALL=start.encap" >> ${Makefile}
487 echo "ALL=all.internal" > ${Makefile}
490 # set target, host, VPATH
491 echo "host_alias = ${host_alias}" >> ${Makefile}
492 echo "host_cpu = ${host_cpu}" >> ${Makefile}
493 echo "host_vendor = ${host_vendor}" >> ${Makefile}
494 echo "host_os = ${host_os}" >> ${Makefile}
496 echo "target_alias = ${target_alias}" >> ${Makefile}
497 echo "target_cpu = ${target_cpu}" >> ${Makefile}
498 echo "target_vendor = ${target_vendor}" >> ${Makefile}
499 echo "target_os = ${target_os}" >> ${Makefile}
501 if [ -n "${subdirs}" ] ; then
502 echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
504 echo "subdir =" >> ${Makefile}
507 # echo "workdir = `pwd`" >> ${Makefile}
508 echo "VPATH = ${srcdir}" >> ${Makefile}
510 # add "Makefile.in" (or whatever it's called)
511 cat ${srcdir}/${Makefile_in} >> ${Makefile}
513 # Conditionalize the makefile for this host.
514 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
515 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
516 sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
517 mv Makefile.tem ${Makefile}
520 # Conditionalize the makefile for this target.
521 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
522 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
523 sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
524 mv Makefile.tem ${Makefile}
528 sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
529 mv Makefile.tem ${Makefile}
532 if [ -n "${destdir}" ] ; then
533 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
534 mv Makefile.tem ${Makefile}
538 sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
539 mv Makefile.tem ${Makefile}
542 sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
543 mv Makefile.tem ${Makefile}
546 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
547 using=" using \"${host_makefile_frag}\""
550 # remove any form feeds.
551 sed -e "s/
\f//" ${Makefile} > Makefile.tem
552 mv Makefile.tem ${Makefile}
554 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
555 if [ -z "${using}" ] ; then
556 andusing=" using \"${target_makefile_frag}\""
558 andusing="${using} and \"${target_makefile_frag}\""
564 if [ -n "${verbose}" -o -z "${recurring}" ] ; then
565 echo "Created \"${Makefile}\"" in `pwd`${andusing}.
568 #### configure.in post-target parts come in here.
570 ## end of post-target part.
572 # describe the chosen configuration in config.status.
573 # Make that file a shellscript which will reestablish
574 # the same configuration. Used in Makefiles to rebuild
578 # ${srcname} was configured as follows:
579 ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
580 chmod a+x config.status
586 # If there are subdirectories, then recurse.
587 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
588 for configdir in ${configdirs} ; do
589 if [ -n "${verbose}" ] ; then
590 echo Configuring ${configdir}...
593 if [ -d ${configdir} ] ; then
595 ./configure +recurring ${host_alias} +target=${target_alias} \
596 ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
599 if [ -n "${verbose}" ] ; then
600 echo Warning: directory \"${configdir}\" is missing.
605 done # for each target
607 # Now build a Makefile for this host.
608 if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
610 cat > GNUmakefile << E!O!F
611 # Makefile generated by configure for host ${host_alias}.
613 ALL := $(shell ls -d Target-*)
616 $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true