aboutsummaryrefslogtreecommitdiff
path: root/gas/configure
blob: d3bd47fc9d535159f3d1d24f30a94fd606d078da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
#!/bin/sh
# Please do not edit this file.  It is generated automatically from
# configure.in and a configure template.
configdirs=

#!/bin/sh

# Configuration script template
#   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.

#This file is part of GNU.

#GNU CC is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 1, or (at your option)
#any later version.

#GNU CC is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with GNU CC; see the file COPYING.  If not, write to
#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

# $Id$

#
# Shell script to create proper links to machine-dependent files in
# preparation for compilation.
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo, 
# 	config.status is removed.
#

remove=rm
hard_link=ln
symbolic_link='ln -s'

#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"

# clear some things potentially inherited from environment.
ansi=
defaulttargets=
destdir=
fatal=
hostsubdir=
norecurse=
removing=
srcdir=
srctrigger=
target=
targets=
targetsubdir=
template=
verbose=

for arg in $*;
do
	case ${arg} in
	-ansi | +ansi)
		ansi=true
		;;
	-destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
		destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
		;;
	-forcesubdirs | +forcesubdirs | +f)
		forcesubdirs=${arg}
		;;
	-languages=* | +languages=* | +language=* | +languag=* \
		| +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
		| +l=*)
		languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
		;;
	-gas | +gas | +ga | +g)
		gas=yes
		;;
	-help | +h | +help)
		fatal=true
		;;
	-nfp | +nfp | +nf | +n)
		nfp=yes
		;;
	-norecurse | +norecurse)
		norecurse=true
		;;
	-rm | +rm)
		removing=${arg}
		;;
#	-srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
#		srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
#		;;
	-target=* | +target=* | +targe=* | +targ=* | +tar=* | +ta=* | +t=*)
		if [ -n "${targets}" ] ; then
			forcesubdirs="+forcesubdirs"
		fi

		newtargets="${targets} `echo ${arg} | sed 's/[+-]t[a-z]*=//'`"
		targets="${newtargets}"
		;;
	-template=* | +template=*)
		template=`echo ${arg} | sed 's/[+-]template=//'`
		;;
	+verbose | +verbos | +verbo | +verb | +ver | +ve | +v)
		verbose=${arg}
		;;
	-* | +*)
		(echo ;
		echo "Unrecognized option: \"${arg}\"". ;
		echo) 1>&2
		fatal=true
		;;
	*)
		if [ -n "${hosts}" ] ; then
			forcesubdirs="+forcesubdirs"
		fi

		newhosts="${hosts} ${arg}"
		hosts=${newhosts}
		;;
	esac
done

if [ -n "${verbose}" ] ; then
	echo `pwd`/configure $*
	echo targets=\"${targets}\"
fi

# process host and target only if not rebuilding configure itself or removing.
if [ -z "${template}" -a -z "${removing}" -a -z "${fatal}" ] ; then
	# Complain if an arg is missing
	if [ -z "${hosts}" ] ; then
		(echo ;
		echo "configure: No HOST specified." ;
		echo) 2>&1
		fatal=true
	fi
fi

if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
	(echo "Usage: configure HOST" ;
	echo ;
	echo "Options: [defaults in brackets]" ;
	echo " +ansi		configure w/ANSI library. [no ansi lib]" ;
	echo " +destdir=MYDIR	configure for installation into MYDIR. [/usr/local]" ;
	echo " +forcesubdirs	configure in subdirectories.  [in source directories]" ;
	echo " +lang=LANG	configure to build LANG. [gcc]" ;
	echo " +help		print this message. [normal config]" ;
	echo " +gas		configure the compilers for use with gas. [native as]" ;
	echo " +nfp		configure the compilers default to soft floating point. [hard float]" ;
	echo " +norecurse	configure this directory only. [recurse]" ;
	echo " +rm		remove this configuration. [build a configuration]" ;
	echo " +target=TARGET	configure for TARGET.  [TARGET = HOST]" ;
	echo " +template=TEM	rebuild configure using TEM. [normal config]" ;
	echo ;
	echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
	echo "Asking for more than one \"+target\" implies \"+forcesubdirs\".  Any other" ;
	echo "options given will apply to all targets.") 1>&2

	if [ -r config.status ] ; then
		cat config.status
	fi

	exit 1
fi

#### configure.in common parts come in here.
# This file is a shell script that supplies the information necessary
# to tailor a template configure script into the configure script
# appropriate for this directory.  For more information, check any
# existing configure script.

srctrigger=as.c
srcname="gas"

# per-host:


# assign cpu type
case ${target} in
sun4* | sparc*)
	cpu_type=sparc
	;;
sun3*)
	cpu_type=m68k
	;;
i386*)
	cpu_type=i386
	;;
i960*)
	cpu_type=i960
	;;
a29k*)
	cpu_type=a29k
	;;
*)
	cpu_type=generic
	;;
esac

# assign object format
case ${target} in
*-coff)
	obj_format=coff
	;;
*-bout)
	obj_format=bout
	;;
generic)
	obj_format=generic
	;;
*)
	obj_format=aout
	;;
esac

# assign floating point type
case ${target} in
vax)
	atof=vax
	;;
*)
	atof=ieee
	;;
esac

files="config/ho-${host}.h config/tc-${cpu_type}.c \
	config/tc-${cpu_type}.h config/te-generic.h \
	config/obj-${obj_format}.h config/obj-${obj_format}.c \
	config/atof-${atof}.c"

links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
## end of common part

# are we rebuilding config itself?
if [ -n "${template}" ] ; then
	if [ ! -r ${template} ] ; then
		echo "Can't find template ${template}."
		exit 1
	fi

	mv configure configure.old
	echo "#!/bin/sh" > configure
	echo "# Please do not edit this file.  It is generated automatically from" >> configure
	echo "# configure.in and a configure template." >> configure
	echo "configdirs=" >> configure
	echo >> configure

	if [ -r configure.in ] ; then
		if [ -z "`grep '^# per\-host:' configure.in`" ] ; then
			echo `pwd`/configure.in has no "per-host:" line.
			exit 1
		fi

		if [ -z "`grep '^# per\-target:' configure.in`" ] ; then
			echo `pwd`/configure.in has no "per-target:" line.
			exit 1
		fi

		sed -e '/^# per\-target:/,$d' configure.in > configure.com
		sed -e '1,/^# per\-target:/d' configure.in > configure.tgt

		sed -e '/^#### configure.in common parts/  r configure.com' \
			-e '/^#### /  r configure.tgt' \
			${template} >> configure

		rm -f configure.com configure.tgt configure.hst
	else
		echo Warning: no configure.in in `pwd`
		cat ${template} >> configure
	fi

	chmod a+x configure
	rm configure.old
	echo Rebuilt configure in `pwd`

	if [ -z "${norecurse}" ] ; then
		while [ -n "${configdirs}" ] ; do
			# set configdir to car of configdirs, configdirs to cdr of configdirs
			set ${configdirs}; configdir=$1; shift; configdirs=$*

			if [ "`echo ${configdir}.*`" != "${configdir}.*" ] ; then
				targetspecificdirs=${configdir}.*
			else
				targetspecificdirs=
			fi

			for i in ${configdir} ${targetspecificdirs} ; do
				if [ -r $i/configure ] ; then
					(cd $i ;
						./configure +template=${template} ${verbose})
				else
					echo No configure script in `pwd`/$i
				fi
			done
		done
	fi

	exit 0
fi

# some sanity checks on configure.in
if [ -z "${srctrigger}" ] ; then
	echo srctrigger not set in configure.in. `pwd` not configured.
	exit 1
fi

for host in ${hosts} ; do
	# Default other arg
	if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
		targets=${host}
		defaulttargets=true
	fi

#### configure.in per-host parts come in here.

# assign cpu type
case ${target} in
sun4* | sparc*)
	cpu_type=sparc
	;;
sun3*)
	cpu_type=m68k
	;;
i386*)
	cpu_type=i386
	;;
i960*)
	cpu_type=i960
	;;
a29k*)
	cpu_type=a29k
	;;
*)
	cpu_type=generic
	;;
esac

# assign object format
case ${target} in
*-coff)
	obj_format=coff
	;;
*-bout)
	obj_format=bout
	;;
generic)
	obj_format=generic
	;;
*)
	obj_format=aout
	;;
esac

# assign floating point type
case ${target} in
vax)
	atof=vax
	;;
*)
	atof=ieee
	;;
esac

files="config/ho-${host}.h config/tc-${cpu_type}.c \
	config/tc-${cpu_type}.h config/te-generic.h \
	config/obj-${obj_format}.h config/obj-${obj_format}.c \
	config/atof-${atof}.c"

links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
## end of per-target part


	for target in ${targets} ; do

		if [ -n "${verbose}" ] ; then
			echo "	"target=\"${target}\"
		fi

#### configure.in per-target parts come in here.

# assign cpu type
case ${target} in
sun4* | sparc*)
	cpu_type=sparc
	;;
sun3*)
	cpu_type=m68k
	;;
i386*)
	cpu_type=i386
	;;
i960*)
	cpu_type=i960
	;;
a29k*)
	cpu_type=a29k
	;;
*)
	cpu_type=generic
	;;
esac

# assign object format
case ${target} in
*-coff)
	obj_format=coff
	;;
*-bout)
	obj_format=bout
	;;
generic)
	obj_format=generic
	;;
*)
	obj_format=aout
	;;
esac

# assign floating point type
case ${target} in
vax)
	atof=vax
	;;
*)
	atof=ieee
	;;
esac

files="config/ho-${host}.h config/tc-${cpu_type}.c \
	config/tc-${cpu_type}.h config/te-generic.h \
	config/obj-${obj_format}.h config/obj-${obj_format}.c \
	config/atof-${atof}.c"

links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
## end of per-target part

		# Temporarily, we support only direct subdir builds.
		hostsubdir=Host-${host}
		targetsubdir=Target-${target}

		if [ -n "${removing}" ] ; then
			if [ -d "${hostsubdir}/${targetsubdir}" ] ; then
				rm -rf ${hostsubdir}/${targetsubdir}

				if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ] ; then
					rm -rf ${hostsubdir}
				fi
			else
				rm -f Makefile config.status ${links}
			fi
		else
			if [ -n "${forcesubdirs}" ] ; then
				# check for existing status before allowing forced subdirs.
				if [ -f Makefile ] ; then
					echo "Makefile already exists in source directory.  `pwd` not configured."
					exit 1
				fi

				if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
				cd ${hostsubdir}

				if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
				cd ${targetsubdir}

				srcdir=../..
			else
				# if not subdir builds, then make sure none exist.
				if [ -n "`(ls .) 2>&1 | grep Host-`" ] ; then
					echo "Configured subdirs exist.  `pwd` not configured."
					exit 1
				fi
			fi

			# Find the source files, if location was not specified.
			if [ -z "${srcdir}" ] ; then
				srcdirdefaulted=1
				srcdir=.
				if [ -n "${srctrigger}" -a ! -r ${srctrigger} ] ; then
					srcdir=..
				fi
			fi

			if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ] ; then
				if [ -z "${srcdirdefaulted}" ] ; then
				  echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
				else
				  echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
				fi

				exit 1
			fi

			# Set up the list of links to be made.
			# ${links} is the list of link names, and ${files} is the list of names to link to.

			# Make the links.
			while [ -n "${files}" ] ; do
				# set file to car of files, files to cdr of files
				set ${files}; file=$1; shift; files=$*
				set ${links}; link=$1; shift; links=$*

				if [ ! -r ${srcdir}/${file} ] ; then
					echo "${progname}: cannot create a link \"${link}\"," 1>&2
					echo "since the file \"${file}\" does not exist." 1>&2
					exit 1
				fi

				${remove} -f ${link}
				rm -f config.status
				# Make a symlink if possible, otherwise try a hard link
				${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}

				if [ ! -r ${link} ] ; then
					echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
					exit 1
				fi
				echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
			done

			# Create a .gdbinit file which runs the one in srcdir
			# and tells GDB to look there for source files.

			case ${srcdir} in
			.)
				;;
			*)
				echo "dir ." > .gdbinit
				echo "dir ${srcdir}" >> .gdbinit
				echo "source ${srcdir}/.gdbinit" >> .gdbinit
				;;
			esac

			# Install a makefile, and make it set VPATH
			# if necessary so that the sources are found.
			# Also change its value of srcdir.

		# FIXME-someday: This business of always writing to .tem and mv back
		# is so that I don't screw things up while developing.  Once this
		# template is stable, these should be optimized. xoxorich.

			# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
			if [ "${host}" != "${target}" ] ; then
				echo "CROSS=-DCROSS_COMPILE" > Makefile
				echo "ALL=start.encap" >> Makefile
			else
				echo "ALL=all.internal" > Makefile
			fi

			# set target, host, VPATH
			echo "host = ${host}" >> Makefile
			echo "target = ${target}" >> Makefile

			if [ -n "${forcesubdirs}" ] ; then
				echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
			else
				echo "subdir =" >> Makefile
			fi

		#	echo "workdir = `pwd`" >> Makefile
			echo "VPATH = ${srcdir}" >> Makefile

			# add Makefile.in
			cat ${srcdir}/Makefile.in >> Makefile

			# and shake thoroughly.
			host_var_file=hmake-${host}
			target_var_file=tmake-${target}

			# Conditionalize the makefile for this host.
			if [ -f ${srcdir}/config/${host_var_file} ] ; then
				sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
				mv Makefile.tem Makefile
			fi

			# Conditionalize the makefile for this target.
			if [ -f ${srcdir}/config/${target_var_file} ] ; then
				sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
				mv Makefile.tem Makefile
			fi

			# set srcdir
			sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
			mv Makefile.tem Makefile

			# set destdir
			if [ -n "${destdir}" ] ; then
				sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
				mv Makefile.tem Makefile
			fi

			# Remove all formfeeds, since some Makes get confused by them.
			sed "s///" Makefile >> Makefile.tem
			mv Makefile.tem Makefile

			# reset SUBDIRS
			sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
			mv Makefile.tem Makefile

			# reset NONSUBDIRS
			sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
			mv Makefile.tem Makefile

			using=
			if [ -f ${srcdir}/config/${host_var_file} ] ; then
				using=" using \"${host_var_file}\""
			fi

			if [ -f ${srcdir}/config/${target_var_file} ] ; then
				if [ -z "${using}" ] ; then
					andusing=" using \"${target_var_file}\""
				else
					andusing="${using} and \"${target_var_file}\""
				fi
			else
				andusing=${using}
			fi

			echo "Created \"Makefile\"" in `pwd`${andusing}.

			if [ "${host}" = "${target}" ] ; then
				echo "Links are now set up for use with a ${target}." \
					> config.status
		#			| tee ${srcdir}/config.status
			else
				echo "Links are now set up for host ${host} and target ${target}." \
					> config.status
		#			| tee ${srcdir}/config.status
			fi

			originaldir=`pwd`
			cd ${srcdir}
		fi
	done
done

# If there are subdirectories, then recurse. 

if [ -n "${norecurse}" -o -z "${configdirs}" ] ; then exit 0 ; fi

# configdirs is not null
for configdir in ${configdirs} ; do
	echo Configuring ${configdir}...
	specifics=
	commons=

	if [ -n "${defaulttargets}" ] ; then
		for host in ${hosts} ; do
			if [ -d ${configdir}.${host} ] ; then
				newspecifics="${specifics} ${host}"
				specifics=${newspecifics}
			else
				newcommons="${commons} ${host}"
				commons=${newcommons}
			fi # if target specific
		done # for each host

		if [ -n "${commons}" ] ; then
			(cd ${configdir} ;
				./configure ${commons} ${verbose} ${forcesubdirs} ${removing}) \
				| sed 's/^/	/'
		fi # if any common hosts

		if [ -n "${specifics}" ] ; then
			for host in ${specifics} ; do
				echo Configuring target specific directory ${configdir}.${host}...
				(cd ${configdir}.${host} ;
					./configure ${host} ${verbose} ${forcesubdirs} ${removing}) \
					| sed 's/^/	/'
			done # for host in specifics
		fi # if there are any specifics
	else

		for target in ${targets} ; do
			if [ -d ${configdir}.${target} ] ; then
				newspecifics="${specifics} ${target}"
				specifics=${newspecifics}
			else
				newcommons="${commons} +target=${target}"
				commons=${newcommons}
			fi

		done # check for target specific dir override

		if [ -n "${verbose}" ] ; then
			echo "	"commons=\"${commons}\"
			echo "	"specifics=\"${specifics}\"
		fi # if verbose

		if [ -n "${commons}" ] ; then
			(cd ${configdir} ;
				./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} ${commons}) \
				| sed 's/^/	/'
		fi # if any commons

		if [ -n "${specifics}" ] ; then
			for target in ${specifics} ; do
				echo Configuring target specific directory ${configdir}.${target}...
				(cd ${configdir}.${target} ;
					./configure ${hosts} ${verbose} ${forcesubdirs} ${removing} "+target=${target}") \
					| sed 's/^/	/'
			done
		fi # if any specifics
	fi # not default targets
done

exit 0

#
# $Log$
# Revision 1.6  1991/04/15 23:55:43  rich
# Now handles multiple hosts and targets.
#
# Revision 1.5  1991/04/15  23:43:44  rich
# Now handles multiple hosts and targets.
#
# Revision 1.4  1991/04/13  02:11:03  rich
# Config cut 3.  We now almost install a29k.
#
# Revision 1.3  1991/04/11  02:41:54  rich
# Cut 2 config.  Subdirs.
#
#
#

#
# Local Variables:
# fill-column: 131
# End:
#

# end of configure.template