Now handles multiple hosts and targets.
[external/binutils.git] / 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 # clear some things potentially inherited from environment.
48 ansi=
49 defaulttargets=
50 destdir=
51 fatal=
52 hostsubdir=
53 norecurse=
54 removing=
55 srcdir=
56 srctrigger=
57 target=
58 targets=
59 targetsubdir=
60 template=
61 verbose=
62
63 for arg in $*;
64 do
65         case ${arg} in
66         -ansi | +ansi)
67                 ansi=true
68                 ;;
69         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
70                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
71                 ;;
72         -forcesubdirs | +forcesubdirs | +f)
73                 forcesubdirs=${arg}
74                 ;;
75         -languages=* | +languages=* | +language=* | +languag=* \
76                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
77                 | +l=*)
78                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
79                 ;;
80         -gas | +gas | +ga | +g)
81                 gas=yes
82                 ;;
83         -help | +h | +help)
84                 fatal=true
85                 ;;
86         -nfp | +nfp | +nf | +n)
87                 nfp=yes
88                 ;;
89         -norecurse | +norecurse)
90                 norecurse=true
91                 ;;
92         -rm | +rm)
93                 removing=${arg}
94                 ;;
95 #       -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
96 #               srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
97 #               ;;
98         -target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
99                 if [ -n "${targets}" ] ; then
100                         forcesubdirs="+forcesubdirs"
101                 fi
102
103                 newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
104                 targets="${newtargets}"
105                 ;;
106         -template=* | +template=*)
107                 template=`echo ${arg} | sed 's/[+-]template=//'`
108                 ;;
109         +verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
110                 verbose=${arg}
111                 ;;
112         -* | +*)
113                 (echo ;
114                 echo "Unrecognized option: \"${arg}\"". ;
115                 echo) 1>&2
116                 fatal=true
117                 ;;
118         *)
119                 if [ -n "${hosts}" ] ; then
120                         forcesubdirs="+forcesubdirs"
121                 fi
122
123                 newhosts="${hosts} ${arg}"
124                 hosts=${newhosts}
125                 ;;
126         esac
127 done
128
129 if [ -n "${verbose}" ] ; then
130         echo `pwd`/configure $*
131         echo targets=\"${targets}\"
132 fi
133
134 # process host and target only if not rebuilding configure itself or removing.
135 if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
136         # Complain if an arg is missing
137         if [ -z "${hosts}" ] ; then
138                 (echo ;
139                 echo "configure: No HOST specified." ;
140                 echo) 2>&1
141                 fatal=true
142         fi
143 fi
144
145 if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
146         (echo "Usage: configure HOST" ;
147         echo ;
148         echo "Options: [defaults in brackets]" ;
149         echo " +ansi            configure w/ANSI library. [no ansi lib]" ;
150         echo " +destdir=MYDIR   configure for installation into MYDIR. [/usr/local]" ;
151         echo " +forcesubdirs    configure in subdirectories.  [in source directories]" ;
152         echo " +lang=LANG       configure to build LANG. [gcc]" ;
153         echo " +help            print this message. [normal config]" ;
154         echo " +gas             configure the compilers for use with gas. [native as]" ;
155         echo " +nfp             configure the compilers default to soft floating point. [hard float]" ;
156         echo " +norecurse       configure this directory only. [recurse]" ;
157         echo " +rm              remove this configuration. [build a configuration]" ;
158         echo " +target=TARGET   configure for TARGET.  [TARGET = HOST]" ;
159         echo " +template=TEM    rebuild configure using TEM. [normal config]" ;
160         echo ;
161         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
162         echo "Asking for more than one \"+target\" implies \"+forcesubdirs\".  Any other" ;
163         echo "options given will apply to all targets.") 1>&2
164
165         if [ -r config.status ] ; then
166                 cat config.status
167         fi
168
169         exit 1
170 fi
171
172 #### configure.in common parts come in here.
173 # This file is a shell script fragment that supplies the information
174 # necessary to tailor a template configure script into the configure
175 # script appropriate for this directory.  For more information, check
176 # any existing configure script.
177
178 configdirs="bfd binutils ld gas gnulib gcc clib"
179 srctrigger=README.configure
180 srcname="gnu development package"
181
182 # per-host:
183
184 ## end of common part
185
186 # are we rebuilding config itself?
187 if [ -n "${template}" ] ; then
188         if [ ! -r ${template} ] ; then
189                 echo "Can't find template ${template}."
190                 exit 1
191         fi
192
193         mv configure configure.old
194         echo "#!/bin/sh" > configure
195         echo "# Please do not edit this file.  It is generated automatically from" >> configure
196         echo "# configure.in and a configure template." >> configure
197         echo "configdirs=" >> configure
198         echo >> configure
199
200         if [ -r configure.in ] ; then
201                 if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
202                         echo `pwd`/configure.in has no "per-host:" line.
203                         exit 1
204                 fi
205
206                 if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
207                         echo `pwd`/configure.in has no "per-target:" line.
208                         exit 1
209                 fi
210
211                 sed -e '/^# per\-target:/,$d' configure.in > configure.com
212                 sed -e '1,/^# per\-target:/d' configure.in > configure.tgt
213
214                 sed -e '/^#### configure.in common parts/  r configure.com' \
215                         -e '/^##### /  r configure.tgt' \
216                         ${template} >> configure
217
218                 rm -f configure.com configure.tgt configure.hst
219         else
220                 echo Warning: no configure.in in `pwd`
221                 cat ${template} >> configure
222         fi
223
224         chmod a+x configure
225         rm configure.old
226         echo Rebuilt configure in `pwd`
227
228         if [ -z "${norecurse}" ] ; then
229                 while [ -n "${configdirs}" ] ; do
230                         # set configdir to car of configdirs, configdirs to cdr of configdirs
231                         set ${configdirs}; configdir=$1; shift; configdirs=$*
232
233                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
234                                 targetspecificdirs=${configdir}.*
235                         else
236                                 targetspecificdirs=
237                         fi
238
239                         for i in ${configdir} ${targetspecificdirs} ; do
240                                 if [ -r $i/configure ] ; then
241                                         (cd $i ;
242                                                 ./configure +template=${template} ${verbose})
243                                 else
244                                         echo No configure script in `pwd`/$i
245                                 fi
246                         done
247                 done
248         fi
249
250         exit 0
251 fi
252
253 # some sanity checks on configure.in
254 if [ -z "${srctrigger}" ] ; then
255         echo srctrigger not set in configure.in. `pwd` not configured.
256         exit 1
257 fi
258
259 for host in ${hosts} ; do
260         # Default other arg
261         if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
262                 targets=${host}
263                 defaulttargets=true
264         fi
265
266 #### configure.in per-host parts come in here.
267 ## end of per-target part
268
269
270         for target in ${targets} ; do
271
272                 if [ -n "${verbose}" ] ; then
273                         echo "  "target=\"${target}\"
274                 fi
275
276 #### configure.in per-target parts come in here.
277 ## end of per-target part
278
279                 # Temporarily, we support only direct subdir builds.
280                 hostsubdir=Host-${host}
281                 targetsubdir=Target-${target}
282
283                 if [ -n "${removing}" ] ; then
284                         if [ -d "${hostsubdir}/${targetsubdir}" ] ; then
285                                 rm -rf ${hostsubdir}/${targetsubdir}
286
287                                 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
288                                         rm -rf ${hostsubdir}
289                                 fi
290                         else
291                                 rm -f Makefile config.status ${links}
292                         fi
293                 else
294                         if [ -n "${forcesubdirs}" ] ; then
295                                 # check for existing status before allowing forced subdirs.
296                                 if [ -f Makefile ] ; then
297                                         echo "Makefile already exists in source directory.  `pwd` not configured."
298                                         exit 1
299                                 fi
300
301                                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
302                                 cd ${hostsubdir}
303
304                                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
305                                 cd ${targetsubdir}
306
307                                 srcdir=../..
308                         else
309                                 # if not subdir builds, then make sure none exist.
310                                 if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
311                                         echo "Configured subdirs exist.  `pwd` not configured."
312                                         exit 1
313                                 fi
314                         fi
315
316                         # Find the source files, if location was not specified.
317                         if [ -z "${srcdir}" ] ; then
318                                 srcdirdefaulted=1
319                                 srcdir=.
320                                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
321                                         srcdir=..
322                                 fi
323                         fi
324
325                         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
326                                 if [ -z "${srcdirdefaulted}" ] ; then
327                                   echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
328                                 else
329                                   echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
330                                 fi
331
332                                 exit 1
333                         fi
334
335                         # Set up the list of links to be made.
336                         # ${links} is the list of link names, and ${files} is the list of names to link to.
337
338                         # Make the links.
339                         while [ -n "${files}" ] ; do
340                                 # set file to car of files, files to cdr of files
341                                 set ${files}; file=$1; shift; files=$*
342                                 set ${links}; link=$1; shift; links=$*
343
344                                 if [ ! -r ${srcdir}/${file} ] ; then
345                                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
346                                         echo "since the file \"${file}\" does not exist." 1>&2
347                                         exit 1
348                                 fi
349
350                                 ${remove} -f ${link}
351                                 rm -f config.status
352                                 # Make a symlink if possible, otherwise try a hard link
353                                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
354
355                                 if [ ! -r ${link} ] ; then
356                                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
357                                         exit 1
358                                 fi
359                                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
360                         done
361
362                         # Create a .gdbinit file which runs the one in srcdir
363                         # and tells GDB to look there for source files.
364
365                         case ${srcdir} in
366                         .)
367                                 ;;
368                         *)
369                                 echo "dir ." > .gdbinit
370                                 echo "dir ${srcdir}" >> .gdbinit
371                                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
372                                 ;;
373                         esac
374
375                         # Install a makefile, and make it set VPATH
376                         # if necessary so that the sources are found.
377                         # Also change its value of srcdir.
378
379                 # FIXME-someday: This business of always writing to .tem and mv back
380                 # is so that I don't screw things up while developing.  Once this
381                 # template is stable, these should be optimized. xoxorich.
382
383                         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
384                         if [ "${host}" != "${target}" ] ; then
385                                 echo "CROSS=-DCROSS_COMPILE" > Makefile
386                                 echo "ALL=start.encap" >> Makefile
387                         else
388                                 echo "ALL=all.internal" > Makefile
389                         fi
390
391                         # set target, host, VPATH
392                         echo "host = ${host}" >> Makefile
393                         echo "target = ${target}" >> Makefile
394
395                         if [ -n "${forcesubdirs}" ] ; then
396                                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
397                         else
398                                 echo "subdir =" >> Makefile
399                         fi
400
401                 #       echo "workdir = `pwd`" >> Makefile
402                         echo "VPATH = ${srcdir}" >> Makefile
403
404                         # add Makefile.in
405                         cat ${srcdir}/Makefile.in >> Makefile
406
407                         # and shake thoroughly.
408                         host_var_file=hmake-${host}
409                         target_var_file=tmake-${target}
410
411                         # Conditionalize the makefile for this host.
412                         if [ -f ${srcdir}/config/${host_var_file} ] ; then
413                                 sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
414                                 mv Makefile.tem Makefile
415                         fi
416
417                         # Conditionalize the makefile for this target.
418                         if [ -f ${srcdir}/config/${target_var_file} ] ; then
419                                 sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
420                                 mv Makefile.tem Makefile
421                         fi
422
423                         # set srcdir
424                         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
425                         mv Makefile.tem Makefile
426
427                         # set destdir
428                         if [ -n "${destdir}" ] ; then
429                                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
430                                 mv Makefile.tem Makefile
431                         fi
432
433                         # Remove all formfeeds, since some Makes get confused by them.
434                         sed "s/\f//" Makefile >> Makefile.tem
435                         mv Makefile.tem Makefile
436
437                         # reset SUBDIRS
438                         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
439                         mv Makefile.tem Makefile
440
441                         # reset NONSUBDIRS
442                         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
443                         mv Makefile.tem Makefile
444
445                         using=
446                         if [ -f ${srcdir}/config/${host_var_file} ] ; then
447                                 using=" using \"${host_var_file}\""
448                         fi
449
450                         if [ -f ${srcdir}/config/${target_var_file} ] ; then
451                                 if [ -z "${using}" ] ; then
452                                         andusing=" using \"${target_var_file}\""
453                                 else
454                                         andusing="${using} and \"${target_var_file}\""
455                                 fi
456                         else
457                                 andusing=${using}
458                         fi
459
460                         echo "Created \"Makefile\"" in `pwd`${andusing}.
461
462                         if [ "${host}" = "${target}" ] ; then
463                                 echo "Links are now set up for use with a ${target}." \
464                                         > config.status
465                 #                       | tee ${srcdir}/config.status
466                         else
467                                 echo "Links are now set up for host ${host} and target ${target}." \
468                                         > config.status
469                 #                       | tee ${srcdir}/config.status
470                         fi
471
472                         originaldir=`pwd`
473                         cd ${srcdir}
474                 fi
475         done
476 done
477
478 # If there are subdirectories, then recurse. 
479
480 if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi
481
482 # configdirs is not null
483 for configdir in ${configdirs} ; do
484         echo Configuring ${configdir}...
485         specifics=
486         commons=
487
488         if [ -n "${defaulttargets}" ] ; then
489                 for host in ${hosts} ; do
490                         if [ -d ${configdir}.${host} ] ; then
491                                 newspecifics="${specifics} ${host}"
492                                 specifics=${newspecifics}
493                         else
494                                 newcommons="${commons} ${host}"
495                                 commons=${newcommons}
496                         fi # if target specific
497                 done # for each host
498
499                 if [ -n "${commons}" ] ; then
500                         (cd ${configdir} ;
501                                 ./configure ${commons} ${verbose} ${forcesubdirs} ${removing}) \
502                                 | sed 's/^/     /'
503                 fi # if any common hosts
504
505                 if [ -n "${specifics}" ] ; then
506                         for host in ${specifics} ; do
507                                 echo Configuring target specific directory ${configdir}.${host}...
508                                 (cd ${configdir}.${host} ;
509                                         ./configure ${host} ${verbose} ${forcesubdirs} ${removing}) \
510                                         | sed 's/^/     /'
511                         done # for host in specifics
512                 fi # if there are any specifics
513         else
514
515                 for target in ${targets} ; do
516                         if [ -d ${configdir}.${target} ] ; then
517                                 newspecifics="${specifics} ${target}"
518                                 specifics=${newspecifics}
519                         else
520                                 newcommons="${commons} +target=${target}"
521                                 commons=${newcommons}
522                         fi
523
524                 done # check for target specific dir override
525
526                 if [ -n "${verbose}" ] ; then
527                         echo "  "commons=\"${commons}\"
528                         echo "  "specifics=\"${specifics}\"
529                 fi # if verbose
530
531                 if [ -n "${commons}" ] ; then
532                         (cd ${configdir} ;
533                                 ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons}) \
534                                 | sed 's/^/     /'
535                 fi # if any commons
536
537                 if [ -n "${specifics}" ] ; then
538                         for target in ${specifics} ; do
539                                 echo Configuring target specific directory ${configdir}.${target}...
540                                 (cd ${configdir}.${target} ;
541                                         ./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}") \
542                                         | sed 's/^/     /'
543                         done
544                 fi # if any specifics
545         fi # not default targets
546 done
547
548 exit 0
549
550 #
551 # $Log$
552 # Revision 1.6  1991/04/15 23:43:41  rich
553 # Now handles multiple hosts and targets.
554 #
555 # Revision 1.4  1991/04/13  02:11:03  rich
556 # Config cut 3.  We now almost install a29k.
557 #
558 # Revision 1.3  1991/04/11  02:41:54  rich
559 # Cut 2 config.  Subdirs.
560 #
561 #
562 #
563
564 #
565 # Local Variables:
566 # fill-column: 131
567 # End:
568 #
569
570 # end of configure.template