fixed a bug in multiple targets
[external/binutils.git] / readline / 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 ansi=
54 defaulttargets=
55 destdir=
56 fatal=
57 hostsubdir=
58 norecurse=
59 removing=
60 srcdir=
61 srctrigger=
62 target=
63 targets=
64 targetsubdir=
65 template=
66 verbose=
67
68 for arg in $*;
69 do
70         case ${arg} in
71         -ansi | +ansi)
72                 ansi=true
73                 ;;
74         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
75                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
76                 ;;
77         -forcesubdirs | +forcesubdirs | +forcesubdir | +forcesubdi | +forcesubd \
78         | +forcesub | +forcesu | +forces | +force | +forc | +for | +fo | +f)
79                 forcesubdirs=${arg}
80                 ;;
81         -languages=* | +languages=* | +language=* | +languag=* \
82                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
83                 | +l=*)
84                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
85                 ;;
86         -gas | +gas | +ga | +g)
87                 gas=yes
88                 ;;
89         -help | +h | +help)
90                 fatal=true
91                 ;;
92         -nfp | +nfp | +nf | +n)
93                 nfp=yes
94                 ;;
95         -norecurse | +norecurse)
96                 norecurse=true
97                 ;;
98         -rm | +rm)
99                 removing=${arg}
100                 ;;
101 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
102 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
103 #               ;;
104         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
105                 if [ -n "${targets}" ] ; then
106                         forcesubdirs="+forcesubdirs"
107                 fi
108
109                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
110                 targets="${newtargets}"
111                 ;;
112         -template=* | +template=*)
113                 template=`echo ${arg} | sed 's/[+-]template=//'`
114                 ;;
115         +verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
116                 verbose=${arg}
117                 ;;
118         -* | +*)
119                 (echo ;
120                 echo "Unrecognized option: \"${arg}\"". ;
121                 echo) 1>&2
122                 fatal=true
123                 ;;
124         *)
125                 if [ -n "${hosts}" ] ; then
126                         forcesubdirs="+forcesubdirs"
127                 fi
128
129                 newhosts="${hosts} ${arg}"
130                 hosts=${newhosts}
131                 ;;
132         esac
133 done
134
135 if [ -n "${verbose}" ] ; then
136         echo `pwd`/configure $*
137         echo targets=\"${targets}\"
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) 2>&1
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 " +forcesubdirs    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 " +norecurse       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 \"+forcesubdirs\".  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 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.
183
184 configdirs=
185 srctrigger=readline.c
186 srcname="the readline library"
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 ${template}."
194                 exit 1
195         fi
196
197 # prep the template
198         sed -e '/^#### configure.in common parts come in here.$/,/^## 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         < ${template} > template.new
208
209         if [ -r configure.in ] ; then
210                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
211                         echo `pwd`/configure.in has no "per-host:" line.
212                         exit 1
213                 fi
214
215                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
216                         echo `pwd`/configure.in has no "per-target:" line.
217                         exit 1
218                 fi
219
220                 # split configure.in into common, per-host, and per-target parts
221                 sed -e '/^# per\-host:/,$d' configure.in > configure.com
222                 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
223                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
224
225                 # and insert them
226                 sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
227                         -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
228                         -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
229                         template.new > configure.new
230
231                 rm -f configure.com configure.tgt configure.hst
232         else
233                 echo Warning: no configure.in in `pwd`
234                 cat ${template} >> configure
235         fi
236
237         chmod a+x configure.new
238         rm template.new
239 #       mv configure configure.old
240         mv configure.new configure
241         echo Rebuilt configure in `pwd`
242
243         if [ -z "${norecurse}" ] ; then
244                 while [ -n "${configdirs}" ] ; do
245                         # set configdir to car of configdirs, configdirs to cdr of configdirs
246                         set ${configdirs}; configdir=$1; shift; configdirs=$*
247
248                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
249                                 targetspecificdirs=${configdir}.*
250                         else
251                                 targetspecificdirs=
252                         fi
253
254                         for i in ${configdir} ${targetspecificdirs} ; do
255                                 if [ -d $i ] ; then
256                                         if [ -r $i/configure ] ; then
257                                                 (cd $i ;
258                                                         ./configure +template=${template} ${verbose})
259                                         else
260                                                 echo No configure script in `pwd`/$i
261                                         fi
262                                 else
263                                         echo Warning: directory $i is missing.
264                                 fi
265                         done
266                 done
267         fi
268
269         exit 0
270 fi
271
272 # some sanity checks on configure.in
273 if [ -z "${srctrigger}" ] ; then
274         echo srctrigger not set in configure.in. `pwd` not configured.
275         exit 1
276 fi
277
278 for host in ${hosts} ; do
279         # Default other arg
280         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
281                 targets=${host}
282                 defaulttargets=true
283         fi
284
285         host_makefile_frag=config/hmake-${host}
286
287 #### configure.in per-host parts come in here.
288
289 ## end of per-host part.
290
291
292         for target in ${targets} ; do
293
294                 if [ -n "${verbose}" ] ; then
295                         echo host \= \"${host}\", target \= \"${target}\".
296                 fi
297
298                 target_makefile_frag=config/tmake-${target}
299
300 #### configure.in per-target parts come in here.
301
302 ## end of per-target part.
303
304                 # Temporarily, we support only direct subdir builds.
305                 hostsubdir=Host-${host}
306                 targetsubdir=Target-${target}
307
308                 if [ -n "${removing}" ] ; then
309                         if [ -n "${forcesubdirs}" ] ; then
310                                 if [ -d "${hostsubdir}" ] ; then
311                                         rm -rf ${hostsubdir}/${targetsubdir}
312
313                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
314                                                 rm -rf ${hostsubdir}
315                                         fi
316                                 else
317                                         echo Warning: no `pwd`/${hostsubdir} to remove.
318                                 fi
319                         else
320                                 rm -f Makefile config.status ${links}
321                         fi
322                 else
323                         if [ -n "${forcesubdirs}" ] ; then
324                                 # check for existing status before allowing forced subdirs.
325                                 if [ -f Makefile ] ; then
326                                         echo "Makefile already exists in source directory.  `pwd` not configured."
327                                         exit 1
328                                 fi
329
330                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
331                                 cd ${hostsubdir}
332
333                                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
334                                 cd ${targetsubdir}
335
336                                 srcdir=../..
337                         else
338                                 # if not subdir builds, then make sure none exist.
339                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
340                                         echo "Configured subdirs exist.  `pwd` not configured."
341                                         exit 1
342                                 fi
343                         fi
344
345                         # Find the source files, if location was not specified.
346                         if [ -z "${srcdir}" ] ; then
347                                 srcdirdefaulted=1
348                                 srcdir=.
349                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
350                                         srcdir=..
351                                 fi
352                         fi
353
354                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
355                                 if [ -z "${srcdirdefaulted}" ] ; then
356                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
357                                 else
358                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
359                                 fi
360
361                                 echo \(At least ${srctrigger} is missing.\) 1>&2
362                                 exit 1
363                         fi
364
365                         # Set up the list of links to be made.
366                         # ${links} is the list of link names, and ${files} is the list of names to link to.
367
368                         # Make the links.
369                         while [ -n "${files}" ] ; do
370                                 # set file to car of files, files to cdr of files
371                                 set ${files}; file=$1; shift; files=$*
372                                 set ${links}; link=$1; shift; links=$*
373
374                                 if [ ! -r ${srcdir}/${file} ] ; then
375                                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
376                                         echo "since the file \"${file}\" does not exist." 1>&2
377                                         exit 1
378                                 fi
379
380                                 ${remove} -f ${link}
381                                 rm -f config.status
382                                 # Make a symlink if possible, otherwise try a hard link
383                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
384
385                                 if [ ! -r ${link} ] ; then
386                                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
387                                         exit 1
388                                 fi
389                                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
390                         done
391
392                         # Create a .gdbinit file which runs the one in srcdir
393                         # and tells GDB to look there for source files.
394
395                         case ${srcdir} in
396                         .)
397                                 ;;
398                         *)
399                                 echo "dir ." > .gdbinit
400                                 echo "dir ${srcdir}" >> .gdbinit
401                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
402                                 ;;
403                         esac
404
405                         # Install a makefile, and make it set VPATH
406                         # if necessary so that the sources are found.
407                         # Also change its value of srcdir.
408
409                 # FIXME-someday: This business of always writing to .tem and mv back
410                 # is so that I don't screw things up while developing.  Once this
411                 # template is stable, these should be optimized. xoxorich.
412
413                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
414                         if [ "${host}" != "${target}" ] ; then
415                                 echo "CROSS=-DCROSS_COMPILE" > Makefile
416                                 echo "ALL=start.encap" >> Makefile
417                         else
418                                 echo "ALL=all.internal" > Makefile
419                         fi
420
421                         # set target, host, VPATH
422                         echo "host = ${host}" >> Makefile
423                         echo "target = ${target}" >> Makefile
424
425                         if [ -n "${forcesubdirs}" ] ; then
426                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
427                         else
428                                 echo "subdir =" >> Makefile
429                         fi
430
431                 #       echo "workdir = `pwd`" >> Makefile
432                         echo "VPATH = ${srcdir}" >> Makefile
433
434                         # add Makefile.in
435                         cat ${srcdir}/Makefile.in >> Makefile
436
437                         # and shake thoroughly.
438                         # Conditionalize the makefile for this host.
439                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
440                                 sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" Makefile > Makefile.tem
441                                 mv Makefile.tem Makefile
442                         fi
443
444                         # Conditionalize the makefile for this target.
445                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
446                                 sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" Makefile > Makefile.tem
447                                 mv Makefile.tem Makefile
448                         fi
449
450                         # set srcdir
451                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
452                         mv Makefile.tem Makefile
453
454                         # set destdir
455                         if [ -n "${destdir}" ] ; then
456                                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
457                                 mv Makefile.tem Makefile
458                         fi
459
460                         # Remove all formfeeds, since some Makes get confused by them.
461                         sed "s/\f//" Makefile >> Makefile.tem
462                         mv Makefile.tem Makefile
463
464                         # reset SUBDIRS
465                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
466                         mv Makefile.tem Makefile
467
468                         # reset NONSUBDIRS
469                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
470                         mv Makefile.tem Makefile
471
472                         using=
473                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
474                                 using=" using \"${host_makefile_frag}\""
475                         fi
476
477                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
478                                 if [ -z "${using}" ] ; then
479                                         andusing=" using \"${target_makefile_frag}\""
480                                 else
481                                         andusing="${using} and \"${target_makefile_frag}\""
482                                 fi
483                         else
484                                 andusing=${using}
485                         fi
486
487                         echo "Created \"Makefile\"" in `pwd`${andusing}.
488
489                         if [ "${host}" = "${target}" ] ; then
490                                 echo "Links are now set up for use with a ${target}." \
491                                         > config.status
492                 #                       | tee ${srcdir}/config.status
493                         else
494                                 echo "Links are now set up for host ${host} and target ${target}." \
495                                         > config.status
496                 #                       | tee ${srcdir}/config.status
497                         fi
498
499                         originaldir=`pwd`
500                         cd ${srcdir}
501                 fi
502         done # for each target
503
504 #       # Now build a Makefile for this host.
505 #       if [ -n "${forcesubdirs}" ] ; then
506 #               cd ${hostsubdir}
507 #               cat > GNUmakefile << E!O!F
508 ## Makefile generated by configure for host ${host}.
509 #
510 #%:
511 #       for i in ${targets} ; do \
512 #               $(MAKE) -C Target-\$i \$@
513 #
514 #all clean stage1 stage2 stage3 stage4etags tags TAGS
515 #E!O!F
516 #       fi
517 done # for each host
518
519 # If there are subdirectories, then recurse. 
520
521 if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi
522
523 # configdirs is not null
524 for configdir in ${configdirs} ; do
525         echo Configuring ${configdir}...
526         specifics=
527         commons=
528
529         if [ -n "${defaulttargets}" ] ; then
530                 for host in ${hosts} ; do
531                         if [ -d ${configdir}.${host} ] ; then
532                                 newspecifics="${specifics} ${host}"
533                                 specifics=${newspecifics}
534                         else
535                                 newcommons="${commons} ${host}"
536                                 commons=${newcommons}
537                         fi # if target specific
538                 done # for each host
539
540                 if [ -n "${commons}" ] ; then
541                         if [ -d ${configdir} ] ; then
542                                 (cd ${configdir} ;
543                                         ./configure ${commons} ${verbose} ${forcesubdirs} ${removing}) \
544                                         | sed 's/^/     /'
545                         else
546                                 echo Warning: directory \"${configdir}\" is missing.
547                         fi
548                 fi # if any common hosts
549
550                 if [ -n "${specifics}" ] ; then
551                         for host in ${specifics} ; do
552                                 echo Configuring target specific directory ${configdir}.${host}...
553                                 (cd ${configdir}.${host} ;
554                                         ./configure ${host} ${verbose} ${forcesubdirs} ${removing}) \
555                                         | sed 's/^/     /'
556                         done # for host in specifics
557                 fi # if there are any specifics
558         else
559
560                 for target in ${targets} ; do
561                         if [ -d ${configdir}.${target} ] ; then
562                                 newspecifics="${specifics} ${target}"
563                                 specifics=${newspecifics}
564                         else
565                                 newcommons="${commons} +target=${target}"
566                                 commons=${newcommons}
567                         fi
568
569                 done # check for target specific dir override
570
571                 if [ -n "${verbose}" ] ; then
572                         echo "  "commons=\"${commons}\"
573                         echo "  "specifics=\"${specifics}\"
574                 fi # if verbose
575
576                 if [ -n "${commons}" ] ; then
577                         if [ -d ${configdir} ] ; then
578                                 (cd ${configdir} ;
579                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons}) \
580                                         | sed 's/^/     /'
581                         else
582                                 echo Warning: directory \"${configdir}\" is missing.
583                         fi
584                 fi # if any commons
585
586                 if [ -n "${specifics}" ] ; then
587                         for target in ${specifics} ; do
588                                 echo Configuring target specific directory ${configdir}.${target}...
589                                 (cd ${configdir}.${target} ;
590                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}") \
591                                         | sed 's/^/     /'
592                         done
593                 fi # if any specifics
594         fi # not default targets
595 done
596
597 exit 0
598
599 #
600 # $Log$
601 # Revision 1.2  1991/05/27 20:54:50  rich
602 # fixed a bug in multiple targets
603 #
604 # Revision 1.14  1991/05/22  01:44:04  rich
605 # remove gdb until config issues resolve.
606 #
607 # Revision 1.13  1991/05/19  08:00:09  rich
608 # Added gdb.
609 #
610 # Revision 1.12  1991/05/19  00:32:13  rich
611 # Changes to deal with missing subdirs gracefully, and changes dictated
612 # from dropping configure over gdb.
613 #
614 # Revision 1.4  1991/05/19  00:16:45  rich
615 # Configure for gdb.
616 #
617 # Revision 1.10  1991/05/04  00:58:38  rich
618 # Fix program name bug.
619 #
620 # Revision 1.9  1991/05/03  19:14:18  rich
621 # Changed getopt to libiberty, commented out an aborted attempt at host
622 # level Makefiles because it caused errors on +rm, add a warning for
623 # directories expected to be removed on +rm but that don't exist.
624 #
625 # Revision 1.8  1991/04/24  16:50:59  rich
626 # Three staging checkpoint.
627 #
628 # Revision 1.7  1991/04/17  01:34:47  rich
629 # Added getopt for binutils, fixed problem with host dependancies in
630 # configure.template.
631 #
632 # Revision 1.6  1991/04/16  00:18:44  rich
633 # Now handles multiple hosts and targets.
634 #
635 # Revision 1.5  1991/04/15  23:43:44  rich
636 # Now handles multiple hosts and targets.
637 #
638 # Revision 1.4  1991/04/13  02:11:03  rich
639 # Config cut 3.  We now almost install a29k.
640 #
641 # Revision 1.3  1991/04/11  02:41:54  rich
642 # Cut 2 config.  Subdirs.
643 #
644 #
645 #
646
647 #
648 # Local Variables:
649 # fill-column: 131
650 # End:
651 #
652
653 # end of configure.template