Now handles multiple host and targets.
[binutils-gdb.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 compiling gcc.
32 #
33 # Usage: configure [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET
34 #
35 # If configure succeeds, it leaves its status in config.status.
36 # If configure fails after disturbing the status quo,
37 # config.status is removed.
38 #
39
40 progname=$0
41
42 remove=rm
43 hard_link=ln
44 symbolic_link='ln -s'
45
46 #for Test
47 #remove="echo rm"
48 #hard_link="echo ln"
49 #symbolic_link="echo ln -s"
50
51 # clear some things potentially inherited from environment.
52 ansi=
53 destdir=
54 hostsubdir=
55 norecurse=
56 removing=
57 srcdir=
58 srctrigger=
59 target=
60 targetsubdir=
61 template=
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 ${arg} | sed 's/[+-]d[a-z]*=//'`
71 ;;
72 -forcesubdirs | +f*)
73 forcesubdirs=${arg}
74 ;;
75 -host=* | +host=* | +hos=* | +ho=* | +h=*)
76 host=`echo ${arg} | sed 's/[+-]h[a-z]*=//'`
77 ;;
78 -languages=* | +languages=* | +language=* | +languag=* \
79 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
80 | +l=*)
81 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
82 ;;
83 -gas | +gas | +ga | +g)
84 gas=yes
85 ;;
86 -nfp | +nfp | +nf | +n)
87 nfp=yes
88 ;;
89 -norecurse | +norecurse)
90 norecurse=true
91 ;;
92 -rm | +rm)
93 removing=${arg}
94 ;;
95 -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
96 srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
97 ;;
98 -template=* | +template=*)
99 template=`echo ${arg} | sed 's/[+-]template=//'`
100 ;;
101 *)
102 # Allow configure HOST TARGET
103 if [ -z "${host}" ] ; then host=${target} ; fi
104 target=${arg}
105 ;;
106 esac
107 done
108
109 # process host and target only if not rebuilding configure itself or removing.
110 if [ -z "${template}" -a -z "${removing}" ]
111 then
112 # Complain if an arg is missing
113 if [ -z "${target}" ]
114 then
115 echo "Usage: ${progname} [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
116 echo -n "Where HOST and TARGET are something like "
117 echo "\`vax', \`sun3', \`encore', etc."
118 if [ -r config.status ]
119 then
120 cat config.status
121 fi
122 exit 1
123 fi
124 fi
125
126 # Default other arg
127 if [ -z "${host}" ]
128 then
129 host=${target}
130 fi
131
132 #### configure.in files come in here.
133 # This file is a shell script fragment that supplies the information
134 # necessary to tailor a template configure script into the configure
135 # script appropriate for this directory. For more information, check
136 # any existing configure script.
137
138 configdirs="bfd binutils ld gas gcc clib"
139 srctrigger=README.configure
140 srcname="gnu development package"
141 ### end of configure.in
142
143 # are we rebuilding config itself?
144 if [ -n "${template}" ]
145 then
146 if [ ! -r ${template} ]
147 then
148 echo "Can't find template ${template}."
149 exit 1
150 fi
151
152 mv configure configure.old
153 echo "#!/bin/sh" > configure
154 echo "# Please do not edit this file. It is generated automatically from" >> configure
155 echo "# configure.in and a configure template." >> configure
156 echo "configdirs=" >> configure
157 echo >> configure
158
159 if [ -r configure.in ]
160 then
161 sed -e "/^####/ r configure.in" ${template} >> configure
162 else
163 echo Warning: no configure.in in `pwd`
164 cat ${template} >> configure
165 fi
166
167 chmod a+x configure
168 rm configure.old
169 echo Rebuilt configure in `pwd`
170
171 if [ -z "${norecurse}" ]
172 then
173 while [ -n "${configdirs}" ]
174 do
175 # set configdir to car of configdirs, configdirs to cdr of configdirs
176 set ${configdirs}; configdir=$1; shift; configdirs=$*
177
178 if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
179 then
180 targetspecificdirs=${configdir}.*
181 else
182 targetspecificdirs=
183 fi
184
185 for i in ${configdir} ${targetspecificdirs}
186 do
187 if [ -r $i/configure ]
188 then
189 (cd $i ;
190 configure +template=${template})
191 else
192 echo No configure script in `pwd`/$i
193 fi
194 done
195 done
196 fi
197
198 exit 0
199 fi
200
201 # some sanity checks on configure.in
202 if [ -z "${srctrigger}" ]
203 then
204 echo srctrigger not set in configure.in. `pwd` not configured.
205 exit 1
206 fi
207
208 # Temporarily, we support only direct subdir builds.
209 hostsubdir=Host-${host}
210 targetsubdir=Target-${target}
211
212 if [ -n "${removing}" ]
213 then
214 if [ -d "${hostsubdir}/${targetsubdir}" ]
215 then
216 rm -rf ${hostsubdir}/${targetsubdir}
217
218 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ]
219 then
220 rm -rf ${hostsubdir}
221 fi
222 else
223 rm -f .gdbinit Makefile config.status ${links}
224 fi
225 else
226 if [ -n "${forcesubdirs}" ]
227 then
228 # check for existing status before allowing forced subdirs.
229 if [ -f Makefile ]
230 then
231 echo "Makefile already exists in source directory. `pwd` not configured."
232 exit 1
233 fi
234
235 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
236 cd ${hostsubdir}
237
238 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
239 cd ${targetsubdir}
240
241 srcdir=../..
242 else
243 # if not subdir builds, then make sure none exist.
244 if [ -n "`(ls .) 2>&1 | grep Host-`" ]
245 then
246 echo "Configured subdirs exist. `pwd` not configured."
247 exit 1
248 fi
249 fi
250
251 # Find the source files, if location was not specified.
252 if [ -z "${srcdir}" ]
253 then
254 srcdirdefaulted=1
255 srcdir=.
256 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ]
257 then
258 srcdir=..
259 fi
260 fi
261
262 if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ]
263 then
264 if [ -z "${srcdirdefaulted}" ]
265 then
266 echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
267 else
268 echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
269 fi
270 exit 1
271 fi
272
273 # Set up the list of links to be made.
274 # ${links} is the list of link names, and ${files} is the list of names to link to.
275
276 # Make the links.
277 while [ -n "${files}" ]
278 do
279 # set file to car of files, files to cdr of files
280 set ${files}; file=$1; shift; files=$*
281 set ${links}; link=$1; shift; links=$*
282
283 if [ ! -r ${srcdir}/${file} ]
284 then
285 echo "${progname}: cannot create a link \"${link}\"," 1>&2
286 echo "since the file \"${file}\" does not exist." 1>&2
287 exit 1
288 fi
289
290 ${remove} -f ${link}
291 rm -f config.status
292 # Make a symlink if possible, otherwise try a hard link
293 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
294
295 if [ ! -r ${link} ]
296 then
297 echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
298 exit 1
299 fi
300 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
301 done
302
303 # Create a .gdbinit file which runs the one in srcdir
304 # and tells GDB to look there for source files.
305
306 case ${srcdir} in
307 .)
308 ;;
309 *)
310 echo "dir ." > .gdbinit
311 echo "dir ${srcdir}" >> .gdbinit
312 echo "source ${srcdir}/.gdbinit" >> .gdbinit
313 ;;
314 esac
315
316 # Install a makefile, and make it set VPATH
317 # if necessary so that the sources are found.
318 # Also change its value of srcdir.
319
320 # FIXME-someday: This business of always writing to .tem and mv back
321 # is so that I don't screw things up while developing. Once this
322 # template is stable, these should be optimized. xoxorich.
323
324 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
325 if [ "${host}" != "${target}" ]
326 then
327 echo "CROSS=-DCROSS_COMPILE" > Makefile
328 echo "ALL=start.encap" >> Makefile
329 else
330 echo "ALL=all.internal" > Makefile
331 fi
332
333 # set target, host, VPATH
334 echo "host = ${host}" >> Makefile
335 echo "target = ${target}" >> Makefile
336
337 if [ -n "${forcesubdirs}" ]
338 then
339 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
340 else
341 echo "subdir =" >> Makefile
342 fi
343
344 # echo "workdir = `pwd`" >> Makefile
345 echo "VPATH = ${srcdir}" >> Makefile
346
347 # add Makefile.in
348 cat ${srcdir}/Makefile.in >> Makefile
349
350 # and shake thoroughly.
351 host_var_file=hmake-${host}
352 target_var_file=tmake-${target}
353
354 # Conditionalize the makefile for this host.
355 if [ -f ${srcdir}/config/${host_var_file} ]
356 then
357 sed -e "/^####/ r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
358 mv Makefile.tem Makefile
359 fi
360
361 # Conditionalize the makefile for this target.
362 if [ -f ${srcdir}/config/${target_var_file} ]
363 then
364 sed -e "/^####/ r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
365 mv Makefile.tem Makefile
366 fi
367
368 # set srcdir
369 sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
370 mv Makefile.tem Makefile
371
372 # set destdir
373 if [ -n "${destdir}" ]
374 then
375 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
376 mv Makefile.tem Makefile
377 fi
378
379 # Remove all formfeeds, since some Makes get confused by them.
380 sed "s/\f//" Makefile >> Makefile.tem
381 mv Makefile.tem Makefile
382
383 # reset SUBDIRS
384 sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
385 mv Makefile.tem Makefile
386
387 # reset NONSUBDIRS
388 sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
389 mv Makefile.tem Makefile
390
391 using=
392 if [ -f ${srcdir}/config/${host_var_file} ]
393 then
394 using=" using \"${host_var_file}\""
395 fi
396
397 if [ -f ${srcdir}/config/${target_var_file} ]
398 then
399 if [ -z "${using}" ]
400 then
401 andusing=" using \"${target_var_file}\""
402 else
403 andusing="${using} and \"${target_var_file}\""
404 fi
405 else
406 andusing=${using}
407 fi
408
409 echo "Created \"Makefile\""${andusing}.
410
411 if [ "${host}" = "${target}" ]
412 then
413 echo "Links are now set up for use with a ${target}." \
414 > config.status
415 # | tee ${srcdir}/config.status
416 else
417 echo "Links are now set up for host ${host} and target ${target}." \
418 > config.status
419 # | tee ${srcdir}/config.status
420 fi
421
422 originaldir=`pwd`
423 cd ${srcdir}
424 fi
425
426 # If there are subdirectories, then recurse.
427
428 if [ -n "${norecurse}" ] ; then exit 0 ; fi
429
430 while [ -n "${configdirs}" ]
431 do
432 # set configdir to car of configdirs, configdirs to cdr of configdirs
433 set ${configdirs}; configdir=$1; shift; configdirs=$*
434
435 # check for target override
436 targetspecificdir=${configdir}.${target}
437 if [ -d ${targetspecificdir} ]
438 then
439 configdir=${targetspecificdir}
440 fi
441
442 echo Configuring ${configdir}...
443 (cd ${configdir} ;
444 ./configure ${forcesubdirs} ${removing} +host=${host} ${target}) \
445 | sed 's/^/ /'
446 done
447
448 exit 0
449
450 #
451 # $Log$
452 # Revision 1.4 1991/04/13 02:11:07 rich
453 # Config cut 3. We now almost install a29k.
454 #
455 # Revision 1.3 1991/04/11 02:41:54 rich
456 # Cut 2 config. Subdirs.
457 #
458 #
459 #
460
461
462 # end of configure.template