remove all rcs keywords
[deliverable/binutils-gdb.git] / gas / configure
1 #!/bin/sh
2
3 # Configuration script
4 # Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
5
6 #This file is part of GNU.
7
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.
12 #
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.
17 #
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. */
21
22 # $Id$
23
24 #
25 # Shell script to create proper links to machine-dependent files in
26 # preparation for compilation.
27 #
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.
31 #
32
33 remove=rm
34 hard_link=ln
35 symbolic_link='ln -s'
36
37 #for Test
38 #remove="echo rm"
39 #hard_link="echo ln"
40 #symbolic_link="echo ln -s"
41
42 progname=$0
43
44 # clear some things potentially inherited from environment.
45 ansi=
46 arguments=$*
47 defaulttargets=
48 destdir=
49 fatal=
50 hostsubdir=
51 Makefile=Makefile
52 Makefile_in=Makefile.in
53 norecursion=
54 recurring=
55 removing=
56 srcdir=
57 srctrigger=
58 target=
59 targets=
60 commontargets=
61 configdirs=
62 targetsubdir=
63 template=
64 verbose=
65
66 for arg in $*;
67 do
68 case ${arg} in
69 -ansi | +a*)
70 ansi=true
71 clib=clib
72 ;;
73 -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
74 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
75 ;;
76 -languages=* | +languages=* | +language=* | +languag=* \
77 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
78 | +l=*)
79 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
80 ;;
81 -gas | +g*)
82 gas=yes
83 ;;
84 -help | +h*)
85 fatal=true
86 ;;
87 -nfp | +nf*)
88 nfp=yes
89 ;;
90 -norecursion | +no*)
91 norecursion=true
92 ;;
93 -recurring | +recurring | +recurrin | +recurri | +recurr | +recur | +recu | +rec | +re)
94 recurring=true
95 ;;
96 -rm | +rm)
97 removing=${arg}
98 ;;
99 # -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
100 # srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
101 # ;;
102 -subdirs | +f* | +su*)
103 subdirs=${arg}
104 ;;
105 -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=*)
106 if [ -n "${targets}" ] ; then
107 subdirs="+subdirs"
108 fi
109
110 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
111 targets="${newtargets}"
112 ;;
113 -template=* | +template=* | +templat=* | +templa=* | +templ=* | +temp=* | +tem=* | +te=*)
114 template=`echo ${arg} | sed 's/[+-]template=//'`
115 ;;
116 -v | -verbose | +v*)
117 verbose=${arg}
118 ;;
119 -* | +*)
120 (echo ;
121 echo "Unrecognized option: \"${arg}\"". ;
122 echo) 1>&2
123 fatal=true
124 ;;
125 *)
126 if [ -n "${hosts}" ] ; then
127 subdirs="+subdirs"
128 fi
129
130 newhosts="${hosts} ${arg}"
131 hosts=${newhosts}
132 ;;
133 esac
134 done
135
136 if [ -n "${verbose}" ] ; then
137 echo `pwd`/configure $*
138 fi
139
140 # process host and target only if not rebuilding configure itself or removing.
141 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
142 # Complain if an arg is missing
143 if [ -z "${hosts}" ] ; then
144 (echo ;
145 echo "configure: No HOST specified." ;
146 echo) 1>&2
147 fatal=true
148 fi
149 fi
150
151 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
152 (echo "Usage: configure HOST" ;
153 echo ;
154 echo "Options: [defaults in brackets]" ;
155 echo " +ansi configure w/ANSI library. [no ansi lib]" ;
156 echo " +destdir=MYDIR configure for installation into MYDIR. [/usr/local]" ;
157 echo " +subdirs configure in subdirectories. [in source directories]" ;
158 echo " +lang=LANG configure to build LANG. [gcc]" ;
159 echo " +help print this message. [normal config]" ;
160 echo " +gas configure the compilers for use with gas. [native as]" ;
161 echo " +nfp configure the compilers default to soft floating point. [hard float]" ;
162 echo " +norecursion configure this directory only. [recurse]" ;
163 echo " +rm remove this configuration. [build a configuration]" ;
164 echo " +target=TARGET configure for TARGET. [TARGET = HOST]" ;
165 echo " +template=TEM rebuild configure using TEM. [normal config]" ;
166 echo ;
167 echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
168 echo "Asking for more than one \"+target\" implies \"+subdirs\". Any other" ;
169 echo "options given will apply to all targets.") 1>&2
170
171 if [ -r config.status ] ; then
172 cat config.status
173 fi
174
175 exit 1
176 fi
177
178 #### configure.in common parts come in here.
179 # This file is a shell script that supplies the information necessary
180 # to tailor a template configure script into the configure script
181 # appropriate for this directory. For more information, check any
182 # existing configure script.
183
184 srctrigger=as.c
185 srcname="gas"
186 targetdependent=true
187
188 ## end of common part.
189
190 # are we rebuilding config itself?
191 if [ -n "${template}" ] ; then
192 if [ ! -r ${template} ] ; then
193 echo '***' "Can't find template ${template}." 1>&2
194 exit 1
195 fi
196
197 # prep the template
198 sed -e '/^#### configure.in common parts come in here.$/,/^## 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 < ${template} > template.new
211
212 if [ -r configure.in ] ; then
213 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
214 echo '***' `pwd`/configure.in has no "per-host:" line. 1>&2
215 exit 1
216 fi
217
218 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
219 echo '***' `pwd`/configure.in has no "per-target:" line. 1>&2
220 exit 1
221 fi
222
223 # split configure.in into common, per-host, per-target,
224 # and post-target parts. Post-target is optional.
225 sed -e '/^# per\-host:/,$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
230 else
231 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
232 echo >configure.pos
233 fi
234
235 # and insert them
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
241
242 rm -f configure.com configure.tgt configure.hst configure.pos
243 else
244 echo Warning: no configure.in in `pwd`
245 cat ${template} >> configure
246 fi
247
248 chmod a+x configure.new
249 rm template.new
250 # mv configure configure.old
251 mv configure.new configure
252
253 if [ -n "${verbose}" ] ; then
254 echo Rebuilt configure in `pwd`
255 fi
256
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
262
263 if [ -n "${verbose}" ] ; then
264 echo Rebuilt config.sub in `pwd`
265 fi
266 fi
267
268 if [ -z "${norecursion}" ] ; then
269 # If template is relative path, make it absolute for recurring.
270 if echo "${template}" | grep -s '^/' ; then
271 true
272 else
273 template=`pwd`/${template}
274 fi
275
276 while [ -n "${configdirs}" ] ; do
277 # set configdir to car of configdirs, configdirs to cdr of configdirs
278 set ${configdirs}; configdir=$1; shift; configdirs=$*
279
280 if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
281 targetspecificdirs=${configdir}.*
282 else
283 targetspecificdirs=
284 fi
285
286 for i in ${configdir} ${targetspecificdirs} ; do
287 if [ -d $i ] ; then
288 if [ -r $i/configure ] ; then
289 (cd $i ;
290 ./configure +template=${template} ${verbose})
291 else
292 echo Warning: No configure script in `pwd`/$i
293 fi
294 else
295 if [ -n "${verbose}" ] ; then
296 echo Warning: directory $i is missing.
297 fi
298 fi
299 done
300 done
301 fi
302
303 exit 0
304 fi
305
306 # some sanity checks on configure.in
307 if [ -z "${srctrigger}" ] ; then
308 echo Warning: srctrigger not set in configure.in. `pwd` not configured.
309 exit 1
310 fi
311
312 for host in ${hosts} ; do
313 # Default other arg
314 if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
315 targets=${host}
316 defaulttargets=true
317 fi
318
319 host_alias=${host}
320
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-${host}
327
328 #### configure.in per-host parts come in here.
329
330 gas_host=generic
331
332 case "${host_cpu}" in
333 a29k | rs6000 | vax) gas_host=${host_cpu} ;;
334 mips)
335 case "${host_os}" in
336 ultrix) gas_host=decstation ;;
337 esac
338 ;;
339 *)
340 case "${host_os}" in
341 ansi | ultrix | hpux | sysv*) gas_host=${host_os} ;;
342 *)
343 case "${host_vendor}" in
344 sun)
345 case "${host_cpu}" in
346 m68k) gas_host=sun3 ;;
347 i386) gas_host=sun386 ;;
348 sparc) gas_host=sun4 ;;
349 esac
350 ;;
351 esac
352 ;;
353 esac
354 ;;
355 esac
356
357 ## end of per-host part.
358
359 for target in ${targets} ; do
360
361 target_alias=${target}
362 result=`/bin/sh ./config.sub ${target}`
363 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
364 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
365 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
366 target=${target_cpu}-${target_vendor}-${target_os}
367 target_makefile_frag=config/tmake-${target}
368
369 #### configure.in per-target parts come in here.
370
371 # assign cpu type
372 emulation=generic
373
374 cpu_type=${target_cpu}
375
376 # assign object format
377 case ${target_os} in
378 sysv* | -coff*)
379 obj_format=coff
380 ;;
381 bout*)
382 obj_format=bout
383 ;;
384 bsd* | sunos* | *)
385 obj_format=aout
386 ;;
387 generic)
388 obj_format=generic
389 ;;
390 esac
391
392 # assign floating point type
393 case ${target_cpu} in
394 vax)
395 atof=vax
396 ;;
397 *)
398 atof=ieee
399 ;;
400 esac
401
402 # and target makefile frag
403
404 target_makefile_frag=config/tmake-${target_cpu}
405
406 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
407 config/tc-${cpu_type}.h config/te-${emulation}.h \
408 config/obj-${obj_format}.h config/obj-${obj_format}.c \
409 config/atof-${atof}.c"
410
411 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
412 ## end of per-target part.
413
414 # Temporarily, we support only direct subdir builds.
415 hostsubdir=H-${host_alias}
416 targetsubdir=T-${target_alias}
417
418 if [ -n "${removing}" ] ; then
419 if [ -n "${subdirs}" ] ; then
420 if [ -d "${hostsubdir}" ] ; then
421 rm -rf ${hostsubdir}/${targetsubdir}
422
423 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target- | grep -v Target-independent`" ] ; then
424 rm -rf ${hostsubdir}
425 fi
426 else
427 echo Warning: no `pwd`/${hostsubdir} to remove.
428 fi
429 else
430 rm -f ${Makefile} config.status ${links}
431 fi
432 else
433 if [ -n "${subdirs}" ] ; then
434 # check for existing status before allowing forced subdirs.
435 if [ -f ${Makefile} ] ; then
436 echo '***' "${Makefile} already exists in source directory. `pwd` not configured." 1>&2
437 exit 1
438 fi
439
440 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
441 cd ${hostsubdir}
442
443 if [ ! -d ${targetsubdir} ] ; then
444 if [ -z "${commontargets}" ] ; then
445 mkdir ${targetsubdir}
446 else
447 if [ ! -d Target-independent ] ; then
448 mkdir Target-independent
449 fi
450
451 ${symbolic_link} Target-independent ${targetsubdir}
452 fi # if target independent
453 fi # if no target dir yet
454
455 cd ${targetsubdir}
456
457 srcdir=../..
458 else
459 # if not subdir builds, then make sure none exist.
460 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
461 echo '***' "Configured subdirs exist. `pwd` not configured." 1>&2
462 exit 1
463 fi
464 fi
465
466 # Find the source files, if location was not specified.
467 if [ -z "${srcdir}" ] ; then
468 srcdirdefaulted=1
469 srcdir=.
470 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
471 srcdir=..
472 fi
473 fi
474
475 if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
476 if [ -z "${srcdirdefaulted}" ] ; then
477 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
478 else
479 echo '***' "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
480 fi
481
482 echo '***' \(At least ${srctrigger} is missing.\) 1>&2
483 exit 1
484 fi
485
486 # Set up the list of links to be made.
487 # ${links} is the list of link names, and ${files} is the list of names to link to.
488
489 # Make the links.
490 while [ -n "${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=$1; shift; links=$*
494
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
498 exit 1
499 fi
500
501 ${remove} -f ${link}
502 rm -f config.status
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}
505
506 if [ ! -r ${link} ] ; then
507 echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
508 exit 1
509 fi
510
511 if [ -n "${verbose}" ] ; then
512 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
513 fi
514 done
515
516 # Create a .gdbinit file which runs the one in srcdir
517 # and tells GDB to look there for source files.
518
519 case ${srcdir} in
520 .)
521 ;;
522 *)
523 echo "dir ." > .gdbinit
524 echo "dir ${srcdir}" >> .gdbinit
525 echo "source ${srcdir}/.gdbinit" >> .gdbinit
526 ;;
527 esac
528
529 # Install a makefile, and make it set VPATH
530 # if necessary so that the sources are found.
531 # Also change its value of srcdir.
532
533 # FIXME-someday: This business of always writing to .tem and mv back
534 # is so that I don't screw things up while developing. Once this
535 # template is stable, these should be optimized. xoxorich.
536
537 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
538 if [ "${host}" != "${target}" ] ; then
539 echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
540 echo "ALL=start.encap" >> ${Makefile}
541 else
542 echo "ALL=all.internal" > ${Makefile}
543 fi
544
545 # set target, host, VPATH
546 echo "host_alias = ${host_alias}" >> ${Makefile}
547 echo "host_cpu = ${host_cpu}" >> ${Makefile}
548 echo "host_vendor = ${host_vendor}" >> ${Makefile}
549 echo "host_os = ${host_os}" >> ${Makefile}
550
551 echo "target_alias = ${target_alias}" >> ${Makefile}
552 echo "target_cpu = ${target_cpu}" >> ${Makefile}
553 echo "target_vendor = ${target_vendor}" >> ${Makefile}
554 echo "target_os = ${target_os}" >> ${Makefile}
555
556 if [ -n "${subdirs}" ] ; then
557 echo "subdir = /${hostsubdir}/${targetsubdir}" >> ${Makefile}
558 else
559 echo "subdir =" >> ${Makefile}
560 fi
561
562 # echo "workdir = `pwd`" >> ${Makefile}
563 echo "VPATH = ${srcdir}" >> ${Makefile}
564
565 # add "Makefile.in" (or whatever it's called)
566 cat ${srcdir}/${Makefile_in} >> ${Makefile}
567
568 # Conditionalize the makefile for this host.
569 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
570 (echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" ;
571 sed -e "/^####/ r ${srcdir}/${host_makefile_frag}" ${Makefile}) > Makefile.tem
572 mv Makefile.tem ${Makefile}
573 fi
574
575 # Conditionalize the makefile for this target.
576 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
577 (echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" ;
578 sed -e "/^####/ r ${srcdir}/${target_makefile_frag}" ${Makefile}) > Makefile.tem
579 mv Makefile.tem ${Makefile}
580 fi
581
582 # set srcdir
583 sed "s@^srcdir = \.@srcdir = ${srcdir}@" ${Makefile} > Makefile.tem
584 mv Makefile.tem ${Makefile}
585
586 # set destdir
587 if [ -n "${destdir}" ] ; then
588 sed "s:^destdir =.*$:destdir = ${destdir}:" ${Makefile} > Makefile.tem
589 mv Makefile.tem ${Makefile}
590 fi
591
592 # reset SUBDIRS
593 sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
594 mv Makefile.tem ${Makefile}
595
596 # reset NONSUBDIRS
597 sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
598 mv Makefile.tem ${Makefile}
599
600 using=
601 if [ -f ${srcdir}/${host_makefile_frag} ] ; then
602 using=" using \"${host_makefile_frag}\""
603 fi
604
605 # remove any form feeds.
606 sed -e "s/\f//" ${Makefile} > Makefile.tem
607 mv Makefile.tem ${Makefile}
608
609 if [ -f ${srcdir}/${target_makefile_frag} ] ; then
610 if [ -z "${using}" ] ; then
611 andusing=" using \"${target_makefile_frag}\""
612 else
613 andusing="${using} and \"${target_makefile_frag}\""
614 fi
615 else
616 andusing=${using}
617 fi
618
619 if [ -n "${verbose}" -o -z "${recurring}" ] ; then
620 echo "Created \"${Makefile}\"" in `pwd`${andusing}.
621 fi
622
623 #### configure.in post-target parts come in here.
624
625 ## end of post-target part.
626
627 # describe the chosen configuration in config.status.
628 # Make that file a shellscript which will reestablish
629 # the same configuration. Used in Makefiles to rebuild
630 # Makefiles.
631
632 echo "#!/bin/sh
633 # ${srcname} was configured as follows:
634 ${srcdir}/configure" ${arguments} `if [ -z "${norecursion}" ] ; then echo +norecursion ; else true ; fi` > config.status
635 chmod a+x config.status
636
637 originaldir=`pwd`
638 cd ${srcdir}
639 fi
640
641 # If there are subdirectories, then recurse.
642 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
643 for configdir in ${configdirs} ; do
644 if [ -n "${verbose}" ] ; then
645 echo Configuring ${configdir}...
646 fi
647
648 if [ -d ${configdir} ] ; then
649 (cd ${configdir} ;
650 ./configure +recurring ${host_alias} +target=${target_alias} \
651 ${verbose} ${subdirs} ${removing} +destdir=${destdir}) \
652 | sed 's/^/ /'
653 else
654 if [ -n "${verbose}" ] ; then
655 echo Warning: directory \"${configdir}\" is missing.
656 fi
657 fi
658 done
659 fi
660 done # for each target
661
662 # Now build a Makefile for this host.
663 if [ -n "${subdirs}" -a ! -n "${removing}" ] ; then
664 cd ${hostsubdir}
665 cat > GNUmakefile << E!O!F
666 # Makefile generated by configure for host ${host_alias}.
667
668 ALL := $(shell ls -d Target-*)
669
670 %:
671 $(foreach subdir,$(ALL),$(MAKE) -C $(subdir) \$@ &&) true
672
673 all:
674 E!O!F
675 cd ..
676 fi
677 done # for each host
678
679 exit 0
680
681 #
682 # Local Variables:
683 # fill-column: 131
684 # End:
685 #
686
687 # end of configure
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