Initial revision
[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 #!/bin/sh
7
8 # Configuration script template
9 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
10
11 #This file is part of GNU.
12
13 #GNU CC is free software; you can redistribute it and/or modify
14 #it under the terms of the GNU General Public License as published by
15 #the Free Software Foundation; either version 1, or (at your option)
16 #any later version.
17
18 #GNU CC is distributed in the hope that it will be useful,
19 #but WITHOUT ANY WARRANTY; without even the implied warranty of
20 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 #GNU General Public License for more details.
22
23 #You should have received a copy of the GNU General Public License
24 #along with GNU CC; see the file COPYING.  If not, write to
25 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26
27 # $Id$
28
29 #
30 # Shell script to create proper links to machine-dependent files in
31 # preparation for compilation.
32 #
33 # If configure succeeds, it leaves its status in config.status.
34 # If configure fails after disturbing the status quo, 
35 #       config.status is removed.
36 #
37
38 remove=rm
39 hard_link=ln
40 symbolic_link='ln -s'
41
42 #for Test
43 #remove="echo rm"
44 #hard_link="echo ln"
45 #symbolic_link="echo ln -s"
46
47 progname=$0
48
49 # clear some things potentially inherited from environment.
50 ansi=
51 defaulttargets=
52 destdir=
53 fatal=
54 hostsubdir=
55 norecurse=
56 removing=
57 srcdir=
58 srctrigger=
59 target=
60 targets=
61 targetsubdir=
62 template=
63 verbose=
64
65 for arg in $*;
66 do
67         case ${arg} in
68         -ansi | +ansi)
69                 ansi=true
70                 ;;
71         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
72                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
73                 ;;
74         -forcesubdirs | +forcesubdirs | +forcesubdir | +forcesubdi | +forcesubd \
75         | +forcesub | +forcesu | +forces | +force | +forc | +for | +fo | +f)
76                 forcesubdirs=${arg}
77                 ;;
78         -languages=* | +languages=* | +language=* | +languag=* \
79                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
80                 | +l=*)
81                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
82                 ;;
83         -gas | +gas | +ga | +g)
84                 gas=yes
85                 ;;
86         -help | +h | +help)
87                 fatal=true
88                 ;;
89         -nfp | +nfp | +nf | +n)
90                 nfp=yes
91                 ;;
92         -norecurse | +norecurse)
93                 norecurse=true
94                 ;;
95         -rm | +rm)
96                 removing=${arg}
97                 ;;
98 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
99 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
100 #               ;;
101         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
102                 if [ -n "${targets}" ] ; then
103                         forcesubdirs="+forcesubdirs"
104                 fi
105
106                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
107                 targets="${newtargets}"
108                 ;;
109         -template=* | +template=*)
110                 template=`echo ${arg} | sed 's/[+-]template=//'`
111                 ;;
112         +verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
113                 verbose=${arg}
114                 ;;
115         -* | +*)
116                 (echo ;
117                 echo "Unrecognized option: \"${arg}\"". ;
118                 echo) 1>&2
119                 fatal=true
120                 ;;
121         *)
122                 if [ -n "${hosts}" ] ; then
123                         forcesubdirs="+forcesubdirs"
124                 fi
125
126                 newhosts="${hosts} ${arg}"
127                 hosts=${newhosts}
128                 ;;
129         esac
130 done
131
132 if [ -n "${verbose}" ] ; then
133         echo `pwd`/configure $*
134         echo targets=\"${targets}\"
135 fi
136
137 # process host and target only if not rebuilding configure itself or removing.
138 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
139         # Complain if an arg is missing
140         if [ -z "${hosts}" ] ; then
141                 (echo ;
142                 echo "configure: No HOST specified." ;
143                 echo) 2>&1
144                 fatal=true
145         fi
146 fi
147
148 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
149         (echo "Usage: configure HOST" ;
150         echo ;
151         echo "Options: [defaults in brackets]" ;
152         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
153         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
154         echo " +forcesubdirs    configure in subdirectories.  [in source directories]" ;
155         echo " +lang=LANG       configure to build LANG. [gcc]" ;
156         echo " +help            print this message. [normal config]" ;
157         echo " +gas             configure the compilers for use with gas. [native as]" ;
158         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
159         echo " +norecurse       configure this directory only. [recurse]" ;
160         echo " +rm              remove this configuration. [build a configuration]" ;
161         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
162         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
163         echo ;
164         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
165         echo "Asking for more than one \"+target\" implies \"+forcesubdirs\".  Any other" ;
166         echo "options given will apply to all targets.") 1>&2
167
168         if [ -r config.status ] ; then
169                 cat config.status
170         fi
171
172         exit 1
173 fi
174
175 #### configure.in common parts come in here.
176 # This file is a shell script fragment that supplies the information
177 # necessary to tailor a template configure script into the configure
178 # script appropriate for this directory.  For more information, check
179 # any existing configure script.
180
181 configdirs=
182 srctrigger=readline.c
183 srcname="the readline library"
184
185 ## end of common part.
186
187 # are we rebuilding config itself?
188 if [ -n "${template}" ] ; then
189         if [ ! -r ${template} ] ; then
190                 echo "Can't find template ${template}."
191                 exit 1
192         fi
193
194 # prep the template
195         sed -e '/^#### configure.in common parts come in here.$/,/^## end of common part.$/c\
196 #### configure.in common parts come in here.\
197 ## end of common part.' \
198         -e '/^#### configure.in per-host parts come in here.$/,/^## end of per-host part.$/c\
199 #### configure.in per-host parts come in here.\
200 ## end of per-host part.' \
201         -e '/^#### configure.in per-target parts come in here.$/,/^## end of per-target part.$/c\
202 #### configure.in per-target parts come in here.\
203 ## end of per-target part.' \
204         < ${template} > template.new
205
206         if [ -r configure.in ] ; then
207                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
208                         echo `pwd`/configure.in has no "per-host:" line.
209                         exit 1
210                 fi
211
212                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
213                         echo `pwd`/configure.in has no "per-target:" line.
214                         exit 1
215                 fi
216
217                 # split configure.in into common, per-host, and per-target parts
218                 sed -e '/^# per\-host:/,$d' configure.in > configure.com
219                 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' configure.in > configure.hst
220                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
221
222                 # and insert them
223                 sed -e '/^#### configure.in common parts come in here.$/  r configure.com' \
224                         -e '/^#### configure.in per\-host parts come in here.$/  r configure.hst' \
225                         -e '/^#### configure.in per\-target parts come in here.$/  r configure.tgt' \
226                         template.new > configure.new
227
228                 rm -f configure.com configure.tgt configure.hst
229         else
230                 echo Warning: no configure.in in `pwd`
231                 cat ${template} >> configure
232         fi
233
234         chmod a+x configure.new
235         rm template.new
236 #       mv configure configure.old
237         mv configure.new configure
238         echo Rebuilt configure in `pwd`
239
240         if [ -z "${norecurse}" ] ; then
241                 while [ -n "${configdirs}" ] ; do
242                         # set configdir to car of configdirs, configdirs to cdr of configdirs
243                         set ${configdirs}; configdir=$1; shift; configdirs=$*
244
245                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
246                                 targetspecificdirs=${configdir}.*
247                         else
248                                 targetspecificdirs=
249                         fi
250
251                         for i in ${configdir} ${targetspecificdirs} ; do
252                                 if [ -d $i ] ; then
253                                         if [ -r $i/configure ] ; then
254                                                 (cd $i ;
255                                                         ./configure +template=${template} ${verbose})
256                                         else
257                                                 echo No configure script in `pwd`/$i
258                                         fi
259                                 else
260                                         echo Warning: directory $i is missing.
261                                 fi
262                         done
263                 done
264         fi
265
266         exit 0
267 fi
268
269 # some sanity checks on configure.in
270 if [ -z "${srctrigger}" ] ; then
271         echo srctrigger not set in configure.in. `pwd` not configured.
272         exit 1
273 fi
274
275 for host in ${hosts} ; do
276         # Default other arg
277         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
278                 targets=${host}
279                 defaulttargets=true
280         fi
281
282 #### configure.in per-host parts come in here.
283
284 ## end of per-host part.
285
286
287         for target in ${targets} ; do
288
289                 if [ -n "${verbose}" ] ; then
290                         echo "  "target=\"${target}\"
291                 fi
292
293 #### configure.in per-target parts come in here.
294
295 ## end of per-target part.
296
297                 # Temporarily, we support only direct subdir builds.
298                 hostsubdir=Host-${host}
299                 targetsubdir=Target-${target}
300
301                 if [ -n "${removing}" ] ; then
302                         if [ -n "${forcesubdirs}" ] ; then
303                                 if [ -d "${hostsubdir}" ] ; then
304                                         rm -rf ${hostsubdir}/${targetsubdir}
305
306                                         if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
307                                                 rm -rf ${hostsubdir}
308                                         fi
309                                 else
310                                         echo Warning: no `pwd`/${hostsubdir} to remove.
311                                 fi
312                         else
313                                 rm -f Makefile config.status ${links}
314                         fi
315                 else
316                         if [ -n "${forcesubdirs}" ] ; then
317                                 # check for existing status before allowing forced subdirs.
318                                 if [ -f Makefile ] ; then
319                                         echo "Makefile already exists in source directory.  `pwd` not configured."
320                                         exit 1
321                                 fi
322
323                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
324                                 cd ${hostsubdir}
325
326                                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
327                                 cd ${targetsubdir}
328
329                                 srcdir=../..
330                         else
331                                 # if not subdir builds, then make sure none exist.
332                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
333                                         echo "Configured subdirs exist.  `pwd` not configured."
334                                         exit 1
335                                 fi
336                         fi
337
338                         # Find the source files, if location was not specified.
339                         if [ -z "${srcdir}" ] ; then
340                                 srcdirdefaulted=1
341                                 srcdir=.
342                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
343                                         srcdir=..
344                                 fi
345                         fi
346
347                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
348                                 if [ -z "${srcdirdefaulted}" ] ; then
349                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/${srcdir}" 1>&2
350                                 else
351                                         echo "${progname}: Can't find ${srcname} sources in `pwd`/. or `pwd`/.." 1>&2
352                                 fi
353
354                                 echo \(At least ${srctrigger} is missing.\) 1>&2
355                                 exit 1
356                         fi
357
358                         # Set up the list of links to be made.
359                         # ${links} is the list of link names, and ${files} is the list of names to link to.
360
361                         # Make the links.
362                         while [ -n "${files}" ] ; do
363                                 # set file to car of files, files to cdr of files
364                                 set ${files}; file=$1; shift; files=$*
365                                 set ${links}; link=$1; shift; links=$*
366
367                                 if [ ! -r ${srcdir}/${file} ] ; then
368                                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
369                                         echo "since the file \"${file}\" does not exist." 1>&2
370                                         exit 1
371                                 fi
372
373                                 ${remove} -f ${link}
374                                 rm -f config.status
375                                 # Make a symlink if possible, otherwise try a hard link
376                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
377
378                                 if [ ! -r ${link} ] ; then
379                                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
380                                         exit 1
381                                 fi
382                                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
383                         done
384
385                         # Create a .gdbinit file which runs the one in srcdir
386                         # and tells GDB to look there for source files.
387
388                         case ${srcdir} in
389                         .)
390                                 ;;
391                         *)
392                                 echo "dir ." > .gdbinit
393                                 echo "dir ${srcdir}" >> .gdbinit
394                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
395                                 ;;
396                         esac
397
398                         # Install a makefile, and make it set VPATH
399                         # if necessary so that the sources are found.
400                         # Also change its value of srcdir.
401
402                 # FIXME-someday: This business of always writing to .tem and mv back
403                 # is so that I don't screw things up while developing.  Once this
404                 # template is stable, these should be optimized. xoxorich.
405
406                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
407                         if [ "${host}" != "${target}" ] ; then
408                                 echo "CROSS=-DCROSS_COMPILE" > Makefile
409                                 echo "ALL=start.encap" >> Makefile
410                         else
411                                 echo "ALL=all.internal" > Makefile
412                         fi
413
414                         # set target, host, VPATH
415                         echo "host = ${host}" >> Makefile
416                         echo "target = ${target}" >> Makefile
417
418                         if [ -n "${forcesubdirs}" ] ; then
419                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
420                         else
421                                 echo "subdir =" >> Makefile
422                         fi
423
424                 #       echo "workdir = `pwd`" >> Makefile
425                         echo "VPATH = ${srcdir}" >> Makefile
426
427                         # add Makefile.in
428                         cat ${srcdir}/Makefile.in >> Makefile
429
430                         # and shake thoroughly.
431                         if [ -z "${host_makefile_frag}" ] ; then
432                                 host_makefile_frag=config/hmake-${host}
433                         fi
434
435                         if [ -z "${target_makefile_frag}" ] ; then
436                                 target_makefile_frag=config/tmake-${target}
437                         fi
438
439                         # Conditionalize the makefile for this host.
440                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
441                                 sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" Makefile > Makefile.tem
442                                 mv Makefile.tem Makefile
443                         fi
444
445                         # Conditionalize the makefile for this target.
446                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
447                                 sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" Makefile > Makefile.tem
448                                 mv Makefile.tem Makefile
449                         fi
450
451                         # set srcdir
452                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
453                         mv Makefile.tem Makefile
454
455                         # set destdir
456                         if [ -n "${destdir}" ] ; then
457                                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
458                                 mv Makefile.tem Makefile
459                         fi
460
461                         # Remove all formfeeds, since some Makes get confused by them.
462                         sed "s/\f//" Makefile >> Makefile.tem
463                         mv Makefile.tem Makefile
464
465                         # reset SUBDIRS
466                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
467                         mv Makefile.tem Makefile
468
469                         # reset NONSUBDIRS
470                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
471                         mv Makefile.tem Makefile
472
473                         using=
474                         if [ -f ${srcdir}/${host_makefile_frag} ] ; then
475                                 using=" using \"${host_makefile_frag}\""
476                         fi
477
478                         if [ -f ${srcdir}/${target_makefile_frag} ] ; then
479                                 if [ -z "${using}" ] ; then
480                                         andusing=" using \"${target_makefile_frag}\""
481                                 else
482                                         andusing="${using} and \"${target_makefile_frag}\""
483                                 fi
484                         else
485                                 andusing=${using}
486                         fi
487
488                         echo "Created \"Makefile\"" in `pwd`${andusing}.
489
490                         if [ "${host}" = "${target}" ] ; then
491                                 echo "Links are now set up for use with a ${target}." \
492                                         > config.status
493                 #                       | tee ${srcdir}/config.status
494                         else
495                                 echo "Links are now set up for host ${host} and target ${target}." \
496                                         > config.status
497                 #                       | tee ${srcdir}/config.status
498                         fi
499
500                         originaldir=`pwd`
501                         cd ${srcdir}
502                 fi
503         done # for each target
504
505 #       # Now build a Makefile for this host.
506 #       if [ -n "${forcesubdirs}" ] ; then
507 #               cd ${hostsubdir}
508 #               cat > GNUmakefile << E!O!F
509 ## Makefile generated by configure for host ${host}.
510 #
511 #%:
512 #       for i in ${targets} ; do \
513 #               $(MAKE) -C Target-\$i \$@
514 #
515 #all clean stage1 stage2 stage3 stage4etags tags TAGS
516 #E!O!F
517 #       fi
518 done # for each host
519
520 # If there are subdirectories, then recurse. 
521
522 if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi
523
524 # configdirs is not null
525 for configdir in ${configdirs} ; do
526         echo Configuring ${configdir}...
527         specifics=
528         commons=
529
530         if [ -n "${defaulttargets}" ] ; then
531                 for host in ${hosts} ; do
532                         if [ -d ${configdir}.${host} ] ; then
533                                 newspecifics="${specifics} ${host}"
534                                 specifics=${newspecifics}
535                         else
536                                 newcommons="${commons} ${host}"
537                                 commons=${newcommons}
538                         fi # if target specific
539                 done # for each host
540
541                 if [ -n "${commons}" ] ; then
542                         if [ -d ${configdir} ] ; then
543                                 (cd ${configdir} ;
544                                         ./configure ${commons} ${verbose} ${forcesubdirs} ${removing}) \
545                                         | sed 's/^/     /'
546                         else
547                                 echo Warning: directory \"${configdir}\" is missing.
548                         fi
549                 fi # if any common hosts
550
551                 if [ -n "${specifics}" ] ; then
552                         for host in ${specifics} ; do
553                                 echo Configuring target specific directory ${configdir}.${host}...
554                                 (cd ${configdir}.${host} ;
555                                         ./configure ${host} ${verbose} ${forcesubdirs} ${removing}) \
556                                         | sed 's/^/     /'
557                         done # for host in specifics
558                 fi # if there are any specifics
559         else
560
561                 for target in ${targets} ; do
562                         if [ -d ${configdir}.${target} ] ; then
563                                 newspecifics="${specifics} ${target}"
564                                 specifics=${newspecifics}
565                         else
566                                 newcommons="${commons} +target=${target}"
567                                 commons=${newcommons}
568                         fi
569
570                 done # check for target specific dir override
571
572                 if [ -n "${verbose}" ] ; then
573                         echo "  "commons=\"${commons}\"
574                         echo "  "specifics=\"${specifics}\"
575                 fi # if verbose
576
577                 if [ -n "${commons}" ] ; then
578                         if [ -d ${configdir} ] ; then
579                                 (cd ${configdir} ;
580                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons}) \
581                                         | sed 's/^/     /'
582                         else
583                                 echo Warning: directory \"${configdir}\" is missing.
584                         fi
585                 fi # if any commons
586
587                 if [ -n "${specifics}" ] ; then
588                         for target in ${specifics} ; do
589                                 echo Configuring target specific directory ${configdir}.${target}...
590                                 (cd ${configdir}.${target} ;
591                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}") \
592                                         | sed 's/^/     /'
593                         done
594                 fi # if any specifics
595         fi # not default targets
596 done
597
598 exit 0
599
600 #
601 # $Log$
602 # Revision 1.1  1991/05/21 19:55:06  rich
603 # Initial revision
604 #
605 # Revision 1.12  1991/05/19  00:32:13  rich
606 # Changes to deal with missing subdirs gracefully, and changes dictated
607 # from dropping configure over gdb.
608 #
609 # Revision 1.4  1991/05/19  00:16:45  rich
610 # Configure for gdb.
611 #
612 # Revision 1.10  1991/05/04  00:58:38  rich
613 # Fix program name bug.
614 #
615 # Revision 1.9  1991/05/03  19:14:18  rich
616 # Changed getopt to libiberty, commented out an aborted attempt at host
617 # level Makefiles because it caused errors on +rm, add a warning for
618 # directories expected to be removed on +rm but that don't exist.
619 #
620 # Revision 1.8  1991/04/24  16:50:59  rich
621 # Three staging checkpoint.
622 #
623 # Revision 1.7  1991/04/17  01:34:47  rich
624 # Added getopt for binutils, fixed problem with host dependancies in
625 # configure.template.
626 #
627 # Revision 1.6  1991/04/16  00:18:44  rich
628 # Now handles multiple hosts and targets.
629 #
630 # Revision 1.5  1991/04/15  23:43:44  rich
631 # Now handles multiple hosts and targets.
632 #
633 # Revision 1.4  1991/04/13  02:11:03  rich
634 # Config cut 3.  We now almost install a29k.
635 #
636 # Revision 1.3  1991/04/11  02:41:54  rich
637 # Cut 2 config.  Subdirs.
638 #
639 #
640 #
641
642 #
643 # Local Variables:
644 # fill-column: 131
645 # End:
646 #
647
648 # end of configure.template