Fixed a few bugs, added 29k coff support.
[external/binutils.git] / ld / configure
1 #!/bin/sh
2 # Please do not edit this file.  It is generated automatically from
3 # configure.in and a configure template.
4 configdirs=
5
6 # the debugger.
7 #set -x
8
9 #!/bin/sh
10
11 # Configuration script template
12 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
13
14 #This file is part of GNU.
15
16 #GNU CC is free software; you can redistribute it and/or modify
17 #it under the terms of the GNU General Public License as published by
18 #the Free Software Foundation; either version 1, or (at your option)
19 #any later version.
20
21 #GNU CC is distributed in the hope that it will be useful,
22 #but WITHOUT ANY WARRANTY; without even the implied warranty of
23 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24 #GNU General Public License for more details.
25
26 #You should have received a copy of the GNU General Public License
27 #along with GNU CC; see the file COPYING.  If not, write to
28 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
29
30 # $Id$
31
32 #
33 # Shell script to create proper links to machine-dependent files in
34 # preparation for compilation.
35 #
36 # If configure succeeds, it leaves its status in config.status.
37 # If configure fails after disturbing the status quo, 
38 #       config.status is removed.
39 #
40
41 remove=rm
42 hard_link=ln
43 symbolic_link='ln -s'
44
45 #for Test
46 #remove="echo rm"
47 #hard_link="echo ln"
48 #symbolic_link="echo ln -s"
49
50 progname=$0
51
52 # clear some things potentially inherited from environment.
53
54 ansi=
55 clib=
56 defaulttargets=
57 destdir=
58 fatal=
59 hostsubdir=
60 norecurse=
61 removing=
62 srcdir=
63 srctrigger=
64 target=
65 targets=
66 targetsubdir=
67 template=
68 verbose=
69
70 for arg in $*;
71 do
72         case ${arg} in
73         -ansi | +ansi)
74                 ansi=true
75                 ;;
76         -clib | +c*)
77                 clib=clib
78                 ;;
79         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
80                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
81                 ;;
82         -forcesubdirs | +forcesubdirs | +forcesubdir | +forcesubdi | +forcesubd \
83         | +forcesub | +forcesu | +forces | +force | +forc | +for | +fo | +f)
84                 forcesubdirs=${arg}
85                 ;;
86         -languages=* | +languages=* | +language=* | +languag=* \
87                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
88                 | +l=*)
89                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
90                 ;;
91         -gas | +gas | +ga | +g)
92                 gas=yes
93                 ;;
94         -help | +h | +help)
95                 fatal=true
96                 ;;
97         -nfp | +nfp | +nf | +n)
98                 nfp=yes
99                 ;;
100         -norecurse | +norecurse)
101                 norecurse=true
102                 ;;
103         -rm | +rm)
104                 removing=${arg}
105                 ;;
106 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
107 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
108 #               ;;
109         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
110                 if [ -n "${targets}" ] ; then
111                         forcesubdirs="+forcesubdirs"
112                 fi
113
114                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
115                 targets="${newtargets}"
116                 ;;
117         -template=* | +template=*)
118                 template=`echo ${arg} | sed 's/[+-]template=//'`
119                 ;;
120         +verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
121                 verbose=${arg}
122                 ;;
123         -* | +*)
124                 (echo ;
125                 echo "Unrecognized option: \"${arg}\"". ;
126                 echo) 1>&2
127                 fatal=true
128                 ;;
129         *)
130                 if [ -n "${hosts}" ] ; then
131                         forcesubdirs="+forcesubdirs"
132                 fi
133
134                 newhosts="${hosts} ${arg}"
135                 hosts=${newhosts}
136                 ;;
137         esac
138 done
139
140 if [ -n "${verbose}" ] ; then
141         echo `pwd`/configure $*
142         echo targets=\"${targets}\"
143 fi
144
145 # process host and target only if not rebuilding configure itself or removing.
146 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
147         # Complain if an arg is missing
148         if [ -z "${hosts}" ] ; then
149                 (echo ;
150                 echo "configure: No HOST specified." ;
151                 echo) 2>&1
152                 fatal=true
153         fi
154 fi
155
156 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
157         (echo "Usage: configure HOST" ;
158         echo ;
159         echo "Options: [defaults in brackets]" ;
160         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
161         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
162         echo " +forcesubdirs    configure in subdirectories.  [in source directories]" ;
163         echo " +lang=LANG       configure to build LANG. [gcc]" ;
164         echo " +help            print this message. [normal config]" ;
165         echo " +gas             configure the compilers for use with gas. [native as]" ;
166         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
167         echo " +norecurse       configure this directory only. [recurse]" ;
168         echo " +rm              remove this configuration. [build a configuration]" ;
169         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
170         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
171         echo ;
172         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
173         echo "Asking for more than one \"+target\" implies \"+forcesubdirs\".  Any other" ;
174         echo "options given will apply to all targets.") 1>&2
175
176         if [ -r config.status ] ; then
177                 cat config.status
178         fi
179
180         exit 1
181 fi
182
183 #### configure.in common parts come in here.
184 # This file is a shell script fragment that supplies the information
185 # necessary to tailor a template configure script into the configure
186 # script appropriate for this directory.  For more information, check
187 # any existing configure script.
188
189 configdirs=
190 srctrigger=ldver.c
191 srcname="linker"
192
193 ## end of common part.
194
195 # are we rebuilding config itself?
196 if [ -n "${template}" ] ; then
197         if [ ! -r ${template} ] ; then
198                 echo "Can't find template ${template}."
199                 exit 1
200         fi
201
202 # prep the template
203         sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
204 #### configure.in common parts come in here.\
205 ## end of common part.' \
206         -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
207 #### configure.in per-host parts come in here.\
208 ## end of per-host part.' \
209         -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
210 #### configure.in per-target parts come in here.\
211 ## end of per-target part.' \
212         < ${template} > template.new
213
214         if [ -r configure.in ] ; then
215                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
216                         echo `pwd`/configure.in has no "per-host:" line.
217                         exit 1
218                 fi
219
220                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
221                         echo `pwd`/configure.in has no "per-target:" line.
222                         exit 1
223                 fi
224
225                 # split configure.in into common, per-host, and per-target parts
226                 sed -e '/^# per\-host:/,$d' configure.in > configure.com
227                 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
228                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
229
230                 # and insert them
231                 sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
232                         -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
233                         -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
234                         template.new > configure.new
235
236                 rm -f configure.com configure.tgt configure.hst
237         else
238                 echo Warning: no configure.in in `pwd`
239                 cat ${template} >> configure
240         fi
241
242         chmod a+x configure.new
243         rm template.new
244 #       mv configure configure.old
245         mv configure.new configure
246         echo Rebuilt configure in `pwd`
247
248         if [ -z "${norecurse}" ] ; then
249                 while [ -n "${configdirs}" ] ; do
250                         # set configdir to car of configdirs, configdirs to cdr of configdirs
251                         set ${configdirs}; configdir=$1; shift; configdirs=$*
252
253                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
254                                 targetspecificdirs=${configdir}.*
255                         else
256                                 targetspecificdirs=
257                         fi
258
259                         for i in ${configdir} ${targetspecificdirs} ; do
260                                 if [ -d $i ] ; then
261                                         if [ -r $i/configure ] ; then
262                                                 (cd $i ;
263                                                         ./configure +template=${template} ${verbose})
264                                         else
265                                                 echo No configure script in `pwd`/$i
266                                         fi
267                                 else
268                                         echo Warning: directory $i is missing.
269                                 fi
270                         done
271                 done
272         fi
273
274         exit 0
275 fi
276
277 # some sanity checks on configure.in
278 if [ -z "${srctrigger}" ] ; then
279         echo srctrigger not set in configure.in. `pwd` not configured.
280         exit 1
281 fi
282
283 for host in ${hosts} ; do
284         # Default other arg
285         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
286                 targets=${host}
287                 defaulttargets=true
288         fi
289
290         host_makefile_frag=config/hmake-${host}
291
292 #### configure.in per-host parts come in here.
293
294 ## end of per-host part.
295
296
297         for target in ${targets} ; do
298
299                 if [ -n "${verbose}" ] ; then
300                         echo host \= \"${host}\", target \= \"${target}\".
301                 fi
302
303                 target_makefile_frag=config/tmake-${target}
304
305 #### configure.in per-target parts come in here.
306
307 ## end of per-target part.
308
309                 # Temporarily, we support only direct subdir builds.
310                 hostsubdir=Host-${host}
311                 targetsubdir=Target-${target}
312
313                 if [ -n "${removing}" ] ; then
314                         if [ -n "${forcesubdirs}" ] ; then
315                                 if [ -d "${hostsubdir}" ] ; then
316                                         rm -rf ${hostsubdir}/${targetsubdir}
317
318                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
319                                                 rm -rf ${hostsubdir}
320                                         fi
321                                 else
322                                         echo Warning: no `pwd`/${hostsubdir} to remove.
323                                 fi
324                         else
325                                 rm -f Makefile config.status ${links}
326                         fi
327                 else
328                         if [ -n "${forcesubdirs}" ] ; then
329                                 # check for existing status before allowing forced subdirs.
330                                 if [ -f Makefile ] ; then
331                                         echo "Makefile already exists in source directory.  `pwd` not configured."
332                                         exit 1
333                                 fi
334
335                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
336                                 cd ${hostsubdir}
337
338                                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
339                                 cd ${targetsubdir}
340
341                                 srcdir=../..
342                         else
343                                 # if not subdir builds, then make sure none exist.
344                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
345                                         echo "Configured subdirs exist.  `pwd` not configured."
346                                         exit 1
347                                 fi
348                         fi
349
350                         # Find the source files, if location was not specified.
351                         if [ -z "${srcdir}" ] ; then
352                                 srcdirdefaulted=1
353                                 srcdir=.
354                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
355                                         srcdir=..
356                                 fi
357                         fi
358
359                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
360                                 if [ -z "${srcdirdefaulted}" ] ; then
361                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
362                                 else
363                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
364                                 fi
365
366                                 echo \(At least ${srctrigger} is missing.\) 1>&2
367                                 exit 1
368                         fi
369
370                         # Set up the list of links to be made.
371                         # ${links} is the list of link names, and ${files} is the list of names to link to.
372
373                         # Make the links.
374                         while [ -n "${files}" ] ; do
375                                 # set file to car of files, files to cdr of files
376                                 set ${files}; file=$1; shift; files=$*
377                                 set ${links}; link=$1; shift; links=$*
378
379                                 if [ ! -r ${srcdir}/${file} ] ; then
380                                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
381                                         echo "since the file \"${file}\" does not exist." 1>&2
382                                         exit 1
383                                 fi
384
385                                 ${remove} -f ${link}
386                                 rm -f config.status
387                                 # Make a symlink if possible, otherwise try a hard link
388                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
389
390                                 if [ ! -r ${link} ] ; then
391                                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
392                                         exit 1
393                                 fi
394                                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
395                         done
396
397                         # Create a .gdbinit file which runs the one in srcdir
398                         # and tells GDB to look there for source files.
399
400                         case ${srcdir} in
401                         .)
402                                 ;;
403                         *)
404                                 echo "dir ." > .gdbinit
405                                 echo "dir ${srcdir}" >> .gdbinit
406                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
407                                 ;;
408                         esac
409
410                         # Install a makefile, and make it set VPATH
411                         # if necessary so that the sources are found.
412                         # Also change its value of srcdir.
413
414                 # FIXME-someday: This business of always writing to .tem and mv back
415                 # is so that I don't screw things up while developing.  Once this
416                 # template is stable, these should be optimized. xoxorich.
417
418                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
419                         if [ "${host}" != "${target}" ] ; then
420                                 echo "CROSS=-DCROSS_COMPILE" > Makefile
421                                 echo "ALL=start.encap" >> Makefile
422                         else
423                                 echo "ALL=all.internal" > Makefile
424                         fi
425
426                         # set target, host, VPATH
427                         echo "host = ${host}" >> Makefile
428                         echo "target = ${target}" >> Makefile
429
430                         if [ -n "${forcesubdirs}" ] ; then
431                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
432                         else
433                                 echo "subdir =" >> Makefile
434                         fi
435
436                 #       echo "workdir = `pwd`" >> Makefile
437                         echo "VPATH = ${srcdir}" >> Makefile
438
439                         # add Makefile.in
440                         cat ${srcdir}/Makefile.in >> Makefile
441
442                         # and shake thoroughly.
443                         # Conditionalize the makefile for this host.
444                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
445                                 sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" Makefile > Makefile.tem
446                                 mv Makefile.tem Makefile
447                         fi
448
449                         # Conditionalize the makefile for this target.
450                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
451                                 sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" Makefile > Makefile.tem
452                                 mv Makefile.tem Makefile
453                         fi
454
455                         # set srcdir
456                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
457                         mv Makefile.tem Makefile
458
459                         # set destdir
460                         if [ -n "${destdir}" ] ; then
461                                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
462                                 mv Makefile.tem Makefile
463                         fi
464
465                         # Remove all formfeeds, since some Makes get confused by them.
466                         sed "s/\f//" Makefile >> Makefile.tem
467                         mv Makefile.tem Makefile
468
469                         # reset SUBDIRS
470                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
471                         mv Makefile.tem Makefile
472
473                         # reset NONSUBDIRS
474                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
475                         mv Makefile.tem Makefile
476
477                         using=
478                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
479                                 using=" using \"${host_makefile_frag}\""
480                         fi
481
482                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
483                                 if [ -z "${using}" ] ; then
484                                         andusing=" using \"${target_makefile_frag}\""
485                                 else
486                                         andusing="${using} and \"${target_makefile_frag}\""
487                                 fi
488                         else
489                                 andusing=${using}
490                         fi
491
492                         echo "Created \"Makefile\"" in `pwd`${andusing}.
493
494                         if [ "${host}" = "${target}" ] ; then
495                                 echo "Links are now set up for use with a ${target}." \
496                                         > config.status
497                 #                       | tee ${srcdir}/config.status
498                         else
499                                 echo "Links are now set up for host ${host} and target ${target}." \
500                                         > config.status
501                 #                       | tee ${srcdir}/config.status
502                         fi
503
504                         originaldir=`pwd`
505                         cd ${srcdir}
506                 fi
507         done # for each target
508
509 #       # Now build a Makefile for this host.
510 #       if [ -n "${forcesubdirs}" ] ; then
511 #               cd ${hostsubdir}
512 #               cat > GNUmakefile << E!O!F
513 ## Makefile generated by configure for host ${host}.
514 #
515 #%:
516 #       for i in ${targets} ; do \
517 #               $(MAKE) -C Target-\$i \$@
518 #
519 #all clean stage1 stage2 stage3 stage4etags tags TAGS
520 #E!O!F
521 #       fi
522 done # for each host
523
524 # If there are subdirectories, then recurse. 
525
526 if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi
527
528 # configdirs is not null
529 for configdir in ${configdirs} ; do
530         echo Configuring ${configdir}...
531         specifics=
532         commons=
533
534         if [ -n "${defaulttargets}" ] ; then
535                 for host in ${hosts} ; do
536                         if [ -d ${configdir}.${host} ] ; then
537                                 newspecifics="${specifics} ${host}"
538                                 specifics=${newspecifics}
539                         else
540                                 newcommons="${commons} ${host}"
541                                 commons=${newcommons}
542                         fi # if target specific
543                 done # for each host
544
545                 if [ -n "${commons}" ] ; then
546                         if [ -d ${configdir} ] ; then
547                                 (cd ${configdir} ;
548                                         ./configure ${commons} ${verbose} ${forcesubdirs} ${removing} "+destdir=${destdir}") \
549                                         | sed 's/^/     /'
550                         else
551                                 echo Warning: directory \"${configdir}\" is missing.
552                         fi
553                 fi # if any common hosts
554
555                 if [ -n "${specifics}" ] ; then
556                         for host in ${specifics} ; do
557                                 echo Configuring target specific directory ${configdir}.${host}...
558                                 (cd ${configdir}.${host} ;
559                                         ./configure ${host} ${verbose} ${forcesubdirs} ${removing} "+destdir=${destdir}") \
560                                         | sed 's/^/     /'
561                         done # for host in specifics
562                 fi # if there are any specifics
563         else
564
565                 for target in ${targets} ; do
566                         if [ -d ${configdir}.${target} ] ; then
567                                 newspecifics="${specifics} ${target}"
568                                 specifics=${newspecifics}
569                         else
570                                 newcommons="${commons} +target=${target}"
571                                 commons=${newcommons}
572                         fi
573
574                 done # check for target specific dir override
575
576                 if [ -n "${verbose}" ] ; then
577                         echo "  "commons=\"${commons}\"
578                         echo "  "specifics=\"${specifics}\"
579                 fi # if verbose
580
581                 if [ -n "${commons}" ] ; then
582                         if [ -d ${configdir} ] ; then
583                                 (cd ${configdir} ;
584                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons} "+destdir=${destdir}") \
585                                         | sed 's/^/     /'
586                         else
587                                 echo Warning: directory \"${configdir}\" is missing.
588                         fi
589                 fi # if any commons
590
591                 if [ -n "${specifics}" ] ; then
592                         for target in ${specifics} ; do
593                                 echo Configuring target specific directory ${configdir}.${target}...
594                                 (cd ${configdir}.${target} ;
595                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}" "+destdir=${destdir}") \
596                                         | sed 's/^/     /'
597                         done
598                 fi # if any specifics
599         fi # not default targets
600 done
601
602 exit 0
603
604 #
605 # $Log$
606 # Revision 1.14  1991/07/15 23:43:20  steve
607 # Fixed a few bugs, added 29k coff support.
608 #
609 # Revision 1.13  1991/06/12  21:24:30  rich
610 # correctly propogate destdir
611 #
612 # Revision 1.17  1991/06/09  20:39:58  rich
613 # Added +clib option.
614 #
615 # Revision 1.16  1991/05/27  21:04:21  rich
616 # Removed clib for now.
617 #
618 # Revision 1.15  1991/05/27  20:54:24  rich
619 # fixed a bug in multiple targets
620 #
621 # Revision 1.14  1991/05/22  01:44:04  rich
622 # remove gdb until config issues resolve.
623 #
624 # Revision 1.13  1991/05/19  08:00:09  rich
625 # Added gdb.
626 #
627 # Revision 1.12  1991/05/19  00:32:13  rich
628 # Changes to deal with missing subdirs gracefully, and changes dictated
629 # from dropping configure over gdb.
630 #
631 # Revision 1.4  1991/05/19  00:16:45  rich
632 # Configure for gdb.
633 #
634 # Revision 1.10  1991/05/04  00:58:38  rich
635 # Fix program name bug.
636 #
637 # Revision 1.9  1991/05/03  19:14:18  rich
638 # Changed getopt to libiberty, commented out an aborted attempt at host
639 # level Makefiles because it caused errors on +rm, add a warning for
640 # directories expected to be removed on +rm but that don't exist.
641 #
642 # Revision 1.8  1991/04/24  16:50:59  rich
643 # Three staging checkpoint.
644 #
645 # Revision 1.7  1991/04/17  01:34:47  rich
646 # Added getopt for binutils, fixed problem with host dependancies in
647 # configure.template.
648 #
649 # Revision 1.6  1991/04/16  00:18:44  rich
650 # Now handles multiple hosts and targets.
651 #
652 # Revision 1.5  1991/04/15  23:43:44  rich
653 # Now handles multiple hosts and targets.
654 #
655 # Revision 1.4  1991/04/13  02:11:03  rich
656 # Config cut 3.  We now almost install a29k.
657 #
658 # Revision 1.3  1991/04/11  02:41:54  rich
659 # Cut 2 config.  Subdirs.
660 #
661 #
662 #
663
664 #
665 # Local Variables:
666 # fill-column: 131
667 # End:
668 #
669
670 # end of configure.template