aboutsummaryrefslogtreecommitdiff
path: root/gas/configure.in
blob: 1686ef3db4743acccedd63bb3478ddbbc75613c9 (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
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
dnl Process this file with autoconf to produce a configure script.
dnl
dnl And be careful when changing it!  If you must add tests with square
dnl brackets, be sure changequote invocations surround it.
dnl
dnl
dnl v2.5 needed for --bindir et al
AC_PREREQ(2.13)
AC_INIT(as.h)

AC_CANONICAL_SYSTEM
AC_ISC_POSIX

changequote(,)dnl
BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ 	]*\([^ 	]*\)[ 	]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
changequote([,])dnl
AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})

AM_PROG_LIBTOOL

user_bfd_gas=
AC_ARG_ENABLE(bfd-assembler,
[  --enable-bfd-assembler  use BFD back end for writing object files],
[case "${enableval}" in
  yes) need_bfd=yes user_bfd_gas=yes ;;
  no)  user_bfd_gas=no ;;
  *)   AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
esac])dnl
AC_ARG_ENABLE(targets,
[    targets            alternative target configurations besides the primary],
[case "${enableval}" in
  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
	    ;;
  no)	    enable_targets= ;;
  *)	    enable_targets=$enableval ;;
esac])dnl
AC_ARG_ENABLE(commonbfdlib,
[  --enable-commonbfdlib   build shared BFD/opcodes/libiberty library],
[case "${enableval}" in
  yes) commonbfdlib=true ;;
  no)  commonbfdlib=false ;;
  *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
esac])dnl

using_cgen=no

build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
AC_ARG_ENABLE(build-warnings,
[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[case "${enableval}" in
  yes)	;;
  no)	build_warnings="-w";;
  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${build_warnings} ${t}";;
  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
        build_warnings="${t} ${build_warnings}";;
  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac
if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  echo "Setting warning flags = $build_warnings" 6>&1
fi])dnl
WARN_CFLAGS=""
if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
    WARN_CFLAGS="${build_warnings}"
fi
AC_SUBST(WARN_CFLAGS)

# Generate a header file
AM_CONFIG_HEADER(config.h:config.in)

# If we are on a DOS filesystem, we must use gdb.ini rather than
# .gdbinit.
GDBINIT=".gdbinit"
case "${host}" in
  *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
    GDBINIT="gdb.ini"
    ;;
esac
AC_SUBST(GDBINIT)

te_file=generic

# Makefile target for installing gas in $(tooldir)/bin.
install_tooldir=install-exec-tooldir

canon_targets=""
all_targets=no
if test -n "$enable_targets" ; then
  for t in `echo $enable_targets | sed 's/,/ /g'`; do
    if test $t = "all"; then
      all_targets=yes
      continue
    fi
    result=`$ac_config_sub $t 2>/dev/null`
    if test -n "$result" ; then
      canon_targets="$canon_targets $result"
#    else
#      # Permit "all", etc.  We don't support it yet though.
#      canon_targets="$canon_targets $t"
    fi
  done
  GAS_UNIQ(canon_targets)
fi

emulations=""

for this_target in $target $canon_targets ; do

changequote(,)dnl
    eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
changequote([,])dnl

    # check for architecture variants
    arch=
    endian=
    case ${cpu} in
      alpha*)		cpu_type=alpha ;;
      armeb)		cpu_type=arm endian=big ;;
      arm*)		cpu_type=arm endian=little ;;
      armb*)		cpu_type=arm endian=little ;;
      armv*l)		cpu_type=arm endian=little ;;
      armv*b)		cpu_type=arm endian=big ;;
      xscale*)		cpu_type=arm endian=little ;;
      strongarm*)	cpu_type=arm endian=little ;;
      thumb*)		cpu_type=arm endian=little ;;
      hppa*)		cpu_type=hppa ;;
changequote(,)dnl
      i[3456]86)	cpu_type=i386 arch=i386;;
      x86_64)		cpu_type=i386 arch=x86_64;;
      ia64)		cpu_type=ia64 ;;
      m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
      m680[012346]0)	cpu_type=m68k ;;
changequote([,])dnl
      m68008)		cpu_type=m68k ;;
      m683??)		cpu_type=m68k ;;
      m5200)		cpu_type=m68k ;;
      m8*)		cpu_type=m88k ;;
      mips*el)		cpu_type=mips endian=little ;;
      mips*)		cpu_type=mips endian=big ;;
      pjl*)		cpu_type=pj endian=little ;;
      pj*)		cpu_type=pj endian=big ;;
      powerpc*le*)	cpu_type=ppc endian=little ;;
      powerpc*)		cpu_type=ppc endian=big ;;
      rs6000*)		cpu_type=ppc ;;
      s390x*)		cpu_type=s390 arch=s390x ;;
      s390*)		cpu_type=s390 arch=s390 ;;
      sparclite*)	cpu_type=sparc arch=sparclite ;;
      sparclet*)	cpu_type=sparc arch=sparclet ;;
      sparc64*)		cpu_type=sparc arch=v9-64 ;;
      sparc86x*)	cpu_type=sparc arch=sparc86x  ;;
      sparc*)		cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
      v850*)		cpu_type=v850 ;;
      *)		cpu_type=${cpu} ;;
    esac

    if test ${this_target} = $target ; then
      target_cpu_type=${cpu_type}
    elif test ${target_cpu_type} != ${cpu_type} ; then
      continue
    fi

    generic_target=${cpu_type}-$vendor-$os
    dev=no
    bfd_gas=no
    em=generic

    # assign object format
    case ${generic_target} in
      a29k-*-coff)          fmt=coff ;;
      a29k-amd-udi)         fmt=coff ;;
      a29k-amd-ebmon)       fmt=coff ;;
      a29k-nyu-sym1)        fmt=coff ;;
      a29k-*-rtems*)        fmt=coff ;;
      a29k-*-vxworks*)      fmt=coff ;;

      alpha*-*-*vms*)	    fmt=evax ;;
      alpha*-*-netware*)    fmt=ecoff ;;
      alpha*-*-openbsd*)    fmt=ecoff ;;
      alpha*-*-osf*)        fmt=ecoff ;;
      alpha*-*-linuxecoff*) fmt=ecoff ;;
      alpha*-*-linux-gnu*)  fmt=elf em=linux ;;
      alpha*-*-netbsd*)     fmt=elf em=nbsd ;;

      arc-*-elf*)           fmt=elf bfd_gas=yes ;;

      arm-*-aout)	                fmt=aout ;;
      arm-*-coff | thumb-*-coff)        fmt=coff ;;
      arm-*-rtems | thumb-*-rtems)      fmt=elf ;;
      arm-*-elf | thumb-*-elf)          fmt=elf ;;
      arm*-*-conix*)			fmt=elf ;;
      arm-*-linux*aout*)	        fmt=aout em=linux ;;
      arm*-*-linux-gnu* | arm*-*-uclinux*)	
					fmt=elf  em=linux ;;
      arm-*-netbsd* | arm-*-openbsd*)   fmt=aout em=nbsd ;;
      arm-*-oabi | thumb-*-oabi)        fmt=elf ;;
      arm-epoc-pe | thumb-epoc-pe)      fmt=coff em=epoc-pe ;;
      arm-*-wince)			fmt=coff em=wince-pe ;;
      arm-*-pe | thumb-*-pe)            fmt=coff em=pe ;;
      arm-*-riscix*)	                fmt=aout em=riscix ;;
      arm-*-vxworks)	                fmt=coff ;;

      avr-*-*)		    fmt=elf bfd_gas=yes ;;

      cris-*-*)		    fmt=multi bfd_gas=yes ;;

      d10v-*-*)		    fmt=elf bfd_gas=yes ;;
      d30v-*-*)		    fmt=elf bfd_gas=yes ;;


      fr30-*-*)		    fmt=elf bfd_gas=yes ;;

      hppa-*-linux-gnu*)    case ${cpu} in
				hppa*64*)
					fmt=elf em=hppalinux64;;
				hppa*)
					fmt=elf em=linux;;
			    esac ;;
      hppa-*-*elf*)         fmt=elf em=hppa ;;
      hppa-*-lites*)        fmt=elf em=hppa ;;
      hppa-*-osf*)          fmt=som em=hppa ;;
      hppa-*-rtems*)        fmt=elf em=hppa ;;
      hppa-*-hpux11*)	    case ${cpu} in
				hppa*64*)
					fmt=elf em=hppa64 ;;
				hppa*)
					fmt=som em=hppa ;;
			    esac ;;
      hppa-*-hpux*)         fmt=som em=hppa ;;
      hppa-*-mpeix*)        fmt=som em=hppa ;;
      hppa-*-bsd*)          fmt=som em=hppa ;;
      hppa-*-hiux*)         fmt=som em=hppa ;;

      h8300-*-rtems*)       fmt=coff ;;
      h8300-*-coff)         fmt=coff ;;
      h8300-*-elf)          fmt=elf ;;
      h8500-*-rtems*)       fmt=coff ;;
      h8500-*-coff)         fmt=coff ;;

      i370-*-elf* | i370-*-linux*) fmt=elf ;;
      i386-ibm-aix*)        fmt=coff em=i386aix ;;
      i386-sequent-bsd*)    fmt=aout em=dynix bfd_gas=yes ;;
      i386-*-beospe*)       fmt=coff em=pe bfd_gas=yes ;;
      i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
      i386-*-bsd*)          fmt=aout em=386bsd ;;
      i386-*-netbsd0.8)     fmt=aout em=386bsd ;;
      i386-*-netbsdelf*)    fmt=elf em=nbsd bfd_gas=yes ;;
      i386-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes;;
      i386-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes;;
      i386-*-linux*aout* | i386-*-linux*oldld)   fmt=aout em=linux ;;
      i386-*-linux*coff*)   fmt=coff em=linux ;;
      i386-*-linux-gnu*)    fmt=elf em=linux bfd_gas=yes ;;
      x86_64-*-linux-gnu*)  fmt=elf em=linux bfd_gas=yes ;;
      i386-*-lynxos*)       fmt=coff em=lynx ;;
changequote(,)dnl
      i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
			    fmt=elf bfd_gas=yes ;;
      i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
                            fmt=aout em=386bsd ;;
changequote([,])dnl
      i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
                          fmt=coff ;;
      i386-*-sco3.2v5*)      fmt=elf
			    if test ${this_target} = $target; then
				AC_DEFINE(SCO_ELF, 1,
				    [Define if defaulting to ELF on SCO 5.])
			    fi
			    ;;
      i386-*-sco3.2*)       fmt=coff ;;
      i386-*-vsta)          fmt=aout ;;
      i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
			    fmt=coff em=go32 bfd_gas=yes
			    AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
			    ;;
      i386-*-rtemself*)     fmt=elf ;;
      i386-*-rtemscoff*)    fmt=coff ;;
      i386-*-rtems*)        fmt=elf ;;
      i386-*-gnu*)          fmt=elf ;;
      i386-*-mach*)
			    fmt=aout em=mach bfd_gas=yes ;;
      i386-*-msdos*)        fmt=aout ;;
      i386-*-moss*)	    fmt=elf ;;
      i386-*-pe)            fmt=coff em=pe bfd_gas=yes ;;
      i386-*-cygwin*)       fmt=coff em=pe bfd_gas=yes ;;
      i386-*-interix*)	    fmt=coff em=interix bfd_gas=yes ;;
      i386-*-mingw32*)      fmt=coff em=pe bfd_gas=yes ;;
      i386-*-*nt*)          fmt=coff em=pe bfd_gas=yes ;;
      i386-*-vxworks*)      fmt=aout ;;
      i386-*-chaos)         fmt=elf ;;
      i860-stardent-sysv4* | i860-stardent-elf*)
			    fmt=elf bfd_gas=yes endian=little
			    AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
      i960-*-bout)          fmt=bout ;;
      i960-*-coff)          fmt=coff em=ic960 ;;
      i960-*-rtems*)        fmt=coff em=ic960 ;;
      i960-*-nindy*)        fmt=bout ;;
      i960-*-vxworks4*)     fmt=bout ;;
      i960-*-vxworks5.0)    fmt=bout ;;
      i960-*-vxworks5.*)    fmt=coff em=ic960 ;;
      i960-*-vxworks*)      fmt=bout ;;
      i960-*-elf*)	    fmt=elf ;;

      ia64-*-elf*)	    fmt=elf ;;
      ia64-*-aix*)	    fmt=elf em=ia64aix ;;
      ia64-*-linux-gnu*)    fmt=elf em=linux ;;
      ia64-*-hpux*)	    fmt=elf em=hpux ;;

      m32r-*-*)		    fmt=elf bfd_gas=yes ;;

      m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;

      m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
			    fmt=aout em=sun3 ;;
      m68k-motorola-sysv*)  fmt=coff em=delta ;;
      m68k-bull-sysv3*)     fmt=coff em=dpx2 ;;
      m68k-apollo-*)        fmt=coff em=apollo ;;
      m68k-*-sysv4*) # must be before -sysv*
			    fmt=elf em=svr4 ;;
      m68k-*-elf*)	    fmt=elf ;;
      m68k-*-coff | m68k-*-sysv* | m68k-*-rtemscoff*)
			    fmt=coff ;;
      m68k-*-rtems*)	    fmt=elf ;;
      m68k-*-hpux*)         fmt=hp300 em=hp300 ;;
      m68k-*-linux*aout*)   fmt=aout em=linux ;;
      m68k-*-linux-gnu*)    fmt=elf em=linux ;;
      m68k-*-gnu*)	    fmt=elf ;;
      m68k-*-lynxos*)       fmt=coff em=lynx ;;
      m68k-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes ;;
      m68k-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes ;;
      m68k-apple-aux*)      fmt=coff em=aux ;;
      m68k-*-psos*)         fmt=elf em=psos;;

      m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
      m88k-*-coff*)         fmt=coff ;;

      mcore-*-elf)	    fmt=elf bfd_gas=yes ;;
      mcore-*-pe)	    fmt=coff em=pe bfd_gas=yes ;;

      # don't change em like *-*-bsd does
      mips-dec-netbsd*)	    fmt=elf endian=little ;;
      mips-dec-openbsd*)    fmt=elf endian=little ;;
      mips-dec-bsd*)        fmt=aout endian=little ;;
      mips-sony-bsd*)       fmt=ecoff ;;
      mips-*-bsd*)          AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
      mips-*-ultrix*)       fmt=ecoff endian=little ;;
      mips-*-osf*)          fmt=ecoff endian=little ;;
      mips-*-ecoff*)        fmt=ecoff ;;
      mips-*-pe*)           fmt=coff endian=little em=pe ;;
      mips-*-irix6*)	    fmt=elf ;;
      mips-*-irix5*)        fmt=elf ;;
      mips-*-irix*)         fmt=ecoff ;;
      mips-*-lnews*)        fmt=ecoff em=lnews ;;
      mips-*-riscos*)       fmt=ecoff ;;
      mips*-*-linux*)
			    fmt=elf em=tmips
			    AC_DEFINE(MIPS_STABS_ELF, 1,
				[Use ELF stabs for MIPS, not ECOFF stabs])
			    ;;
      mips-*-sysv4*MP* | mips-*-gnu*)
			    fmt=elf em=tmips ;;
      mips-*-sysv*)         fmt=ecoff ;;
      mips-*-elf* | mips-*-rtems* | mips-*-openbsd*)
			    fmt=elf ;;
      mips-*-vxworks*)      fmt=elf
			    AC_DEFINE(MIPS_STABS_ELF, 1,
				[Use ELF stabs for MIPS, not ECOFF stabs])
			    ;;
      mn10200-*-*)	    fmt=elf bfd_gas=yes ;;
      mn10300-*-*)	    fmt=elf bfd_gas=yes ;;
      openrisc-*-*)	    fmt=elf bfd_gas=yes ;;
      pj*)		    fmt=elf ;;
      ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
		            fmt=coff em=pe ;;
      ppc-*-aix*)           fmt=coff ;;
      ppc-*-beos*)          fmt=coff ;;
      ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
			    fmt=elf ;;
      ppc-*-linux-gnu*)	    fmt=elf
			    case "$endian" in
			    big)  ;;
			    *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
			    esac
			    ;;
      ppc-*-solaris*)	    fmt=elf
			    if test ${this_target} = $target; then
				AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
				[Define if default target is PowerPC Solaris.])
			    fi
			    if test x${endian} = xbig; then
				AC_MSG_ERROR(Solaris must be configured little endian)
			    fi
			    ;;
      ppc-*-rtems*)	    fmt=elf ;;
      ppc-*-macos* | ppc-*-mpw*)
			    fmt=coff em=macos ;;
      ppc-*-netware*)       fmt=elf em=ppcnw ;;
      ppc-*-vxworks*)       fmt=elf ;;

      s390x-*-linux-gnu*)   fmt=elf em=linux ;;
      s390-*-linux-gnu*)    fmt=elf em=linux ;;

      sh-*-linux*)	    fmt=elf em=linux ;;
      sh-*-elf*)	    fmt=elf ;;
      sh-*-coff*)           fmt=coff bfd_gas=yes;;
      sh-*-pe*)             fmt=coff em=pe bfd_gas=yes;;
      sh-*-rtemself*)       fmt=elf ;;
      sh-*-rtems*)	    fmt=coff bfd_gas=yes;;

      ns32k-pc532-mach* | ns32k-pc532-ux*)    fmt=aout em=pc532mach ;;
      ns32k-pc532-netbsd* | ns32k-pc532-lites*)  fmt=aout em=nbsd532 ;;
      ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;

      sparc-*-rtemsaout*)   fmt=aout ;;
      sparc-*-rtemself*)    fmt=elf ;;
      sparc-*-rtems*)       fmt=elf ;;
      sparc-*-sunos4*)      fmt=aout em=sun3 ;;
      sparc-*-aout | sparc*-*-vxworks*)
			    fmt=aout em=sparcaout ;;
      sparc-*-coff)         fmt=coff ;;
      sparc-*-linux*aout*)  fmt=aout em=linux ;;
      sparc-*-linux-gnu*)   fmt=elf em=linux ;;
      sparc-*-lynxos*)      fmt=coff em=lynx ;;
      sparc-fujitsu-none)   fmt=aout ;;
      sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
			    fmt=elf ;;
      sparc-*-netbsd*)      em=nbsd bfd_gas=yes
                            case ${cpu} in
                                sparc) case ${os} in
                                           *elf*) fmt=elf ;;
                                           *)     fmt=aout ;;
                                       esac ;;
                                sparc64) fmt=elf ;;
                            esac
                            ;;
      sparc-*-openbsd*)     fmt=aout em=nbsd ;;

      strongarm-*-coff)     fmt=coff ;;
      strongarm-*-elf)      fmt=elf ;;
      xscale-*-coff)     fmt=coff ;;
      xscale-*-elf)      fmt=elf ;;

      tic30-*-*aout*)	    fmt=aout bfd_gas=yes ;;
      tic30-*-*coff*)       fmt=coff bfd_gas=yes ;;
      tic54x-*-* | c54x*-*-*)
			    fmt=coff bfd_gas=yes need_libm=yes;;
      tic80-*-*)	    fmt=coff ;;

      v850-*-*)		    fmt=elf bfd_gas=yes ;;
      v850e-*-*)	    fmt=elf bfd_gas=yes ;;
      v850ea-*-*)	    fmt=elf bfd_gas=yes ;;

      vax-*-bsd* | vax-*-ultrix*)
			    fmt=aout ;;
      vax-*-vms)            fmt=vms ;;


      z8k-*-coff | z8k-*-sim)
			    fmt=coff ;;

      w65-*-*)              fmt=coff ;;

      *-*-aout | *-*-scout)
			    fmt=aout ;;
      *-*-freebsd*)	    fmt=elf em=freebsd bfd_gas=yes ;;
      *-*-nindy*)
			    fmt=bout ;;
      *-*-bsd*)
			    fmt=aout em=sun3 ;;
      *-*-generic)          fmt=generic ;;
      *-*-xray | *-*-hms)   fmt=coff ;;
      *-*-sim)              fmt=coff ;;
      *-*-elf | *-*-sysv4* | *-*-solaris*)
			    AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
			    fmt=elf dev=yes ;;
      *-*-vxworks)          fmt=aout ;;
      *-*-netware)          fmt=elf ;;
    esac

    if test ${this_target} = $target ; then
      endian_def=
      if test x${endian} = xbig; then
	endian_def=1
      elif test x${endian} = xlittle; then
	endian_def=0
      fi
      if test x${endian_def} != x; then
	AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
			   [Define as 1 if big endian.])
      fi
    fi

    case ${cpu_type}-${fmt} in
      alpha*-*)	bfd_gas=yes ;;
      arm-*)	bfd_gas=yes ;;
    # not yet
    # i386-aout)	bfd_gas=preferred ;;
      ia64*-*)	bfd_gas=yes ;;
      mips-*)	bfd_gas=yes ;;
      ns32k-*)	bfd_gas=yes ;;
      pdp11-*)	bfd_gas=yes ;;
      ppc-*)	bfd_gas=yes ;;
      sparc-*)	bfd_gas=yes ;;
      strongarm-*)	bfd_gas=yes ;;
      xscale-*)	bfd_gas=yes ;;
      *-elf)	bfd_gas=yes ;;
      *-ecoff)	bfd_gas=yes ;;
      *-som)	bfd_gas=yes ;;
    #enable bfd for coff and aout to allow testing if a bfd target is
    #the primary target, but not for coff or aout as the primary target
      i386-coff)	if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
      i386-aout)	if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
      *)		;;
    esac

# Other random stuff.

    # Do we need the opcodes library?
    case ${cpu_type} in
      vax | i386 | tic30)
	;;

      *)
	need_opcodes=yes

	case "${enable_shared}" in
	yes) shared_opcodes=true ;;
	*opcodes*) shared_opcodes=true ;;
	*) shared_opcodes=false ;;
	esac
	if test "${shared_opcodes}" = "true"; then
	  # A shared libopcodes must be linked against libbfd.
	  need_bfd=yes
	fi
	;;
    esac

    # Any other special object files needed ?
    case ${cpu_type} in
      fr30 | m32r | openrisc)
	using_cgen=yes
	;;

      m68k)
	case ${extra_objects} in
	*m68k-parse.o*) ;;
	*) extra_objects="$extra_objects m68k-parse.o" ;;
	esac
	;;

      s390)
       if test $this_target = $target ; then
	  AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
       fi
       ;;

      mips)
	echo ${extra_objects} | grep -s "itbl-parse.o" 
	if test $? -ne 0 ; then
	  extra_objects="$extra_objects itbl-parse.o"
	fi

	echo ${extra_objects} | grep -s "itbl-lex.o" 
	if test $? -ne 0 ; then
	  extra_objects="$extra_objects itbl-lex.o"
	fi

	echo ${extra_objects} | grep -s "itbl-ops.o" 
	if test $? -ne 0 ; then
	  extra_objects="$extra_objects itbl-ops.o"
	fi
	;;

      i386)
	if test $this_target = $target ; then
	  AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	fi
	;;
      sparc)
	if test $this_target = $target ; then
	  AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
	fi
	;;
      *)
	;;
    esac

    if test $using_cgen = yes ; then
	case "x${extra_objects}" in
	*cgen.o*) ;;
	*) extra_objects="$extra_objects cgen.o" ;;
	esac
    fi

# See if we really can support this configuration with the emulation code.

    if test $this_target = $target ; then
      primary_bfd_gas=$bfd_gas
      obj_format=$fmt
      te_file=$em

      if test $bfd_gas = no ; then
	# Can't support other configurations this way.
	break
      fi
    elif test $bfd_gas = no ; then
      # Can't support this configuration.
      break
    fi

# From target name and format, produce a list of supported emulations.

    case ${generic_target}-${fmt} in
      mips-*-irix5*-*)	emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
      mips*-*-linux*-*) case "$endian" in
			big)	emulation="mipsbelf mipslelf mipself" ;;
			*)	emulation="mipslelf mipsbelf mipself" ;;
			esac ;;
      mips-*-lnews*-ecoff) ;;
      mips-*-*-ecoff)	case "$endian" in
			big)	emulation="mipsbecoff mipslecoff mipsecoff" ;;
			*)	emulation="mipslecoff mipsbecoff mipsecoff" ;;
			esac ;;
      mips-*-*-elf)	case "$endian" in
			big)	emulation="mipsbelf mipslelf mipself" ;;
			*)	emulation="mipslelf mipsbelf mipself" ;;
			esac ;;
      mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
      # i386-pc-pe-coff != i386-pc-coff.
      i386-*-pe-coff)	;;
      # Uncommenting the next line will turn on support for i386 AOUT
      # for the default linux configuration
      # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
      #
      i386-*-aout)	emulation="i386aout" ;;
      i386-*-coff)	emulation="i386coff" ;;
      i386-*-elf)	emulation="i386elf" ;;

      # Always all formats.  The first stated emulation becomes the default.
      cris-*-*aout*)	emulation="crisaout criself" ;;
      cris-*-*)		emulation="criself crisaout" ;;
    esac

    emulations="$emulations $emulation"

done

# Turn on all targets if possible
if test ${all_targets} = "yes"; then
  case ${target_cpu_type} in
  i386)
    case ${obj_format} in
    aout)
      emulations="$emulations i386coff i386elf"
      ;;
    coff)
      emulations="$emulations i386aout i386elf"
    ;;
    elf)
      emulations="$emulations i386aout i386coff"
      ;;
    esac
  ;;
  esac
fi

# Assign floating point type.  Most processors with FP support
# IEEE FP.  On those that don't support FP at all, usually IEEE
# is emulated.
case ${target_cpu} in
  vax | tahoe )	atof=${target_cpu} ;;
  pdp11)	atof=vax ;;
  *)		atof=ieee ;;
esac

case "${obj_format}" in
  "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
esac

# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
cgen_cpu_prefix=""
if test $using_cgen = yes ; then
  case ${target_cpu} in
    *) cgen_cpu_prefix=${target_cpu} ;;
  esac
  AC_SUBST(cgen_cpu_prefix)
  AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
fi

dnl
dnl Make sure the desired support files exist.
dnl

if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
  AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
fi

if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
  AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
fi

case ${user_bfd_gas}-${primary_bfd_gas} in
  yes-yes | no-no)
    # We didn't override user's choice.
    ;;
  no-yes)
    AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
    ;;
  no-preferred)
    primary_bfd_gas=no
    ;;
  *-preferred)
    primary_bfd_gas=yes
    ;;
  yes-*)
    primary_bfd_gas=yes
    ;;
  -*)
    # User specified nothing.
    ;;
esac

# Some COFF configurations want these random other flags set.
case ${obj_format} in
  coff)
    case ${target_cpu_type} in
      i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
      m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
      m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
    esac
    ;;
esac

# Getting this done right is going to be a bitch.  Each configuration specified
# with --enable-targets=... should be checked for environment, format, cpu, and
# bfd_gas setting.
#
# For each configuration, the necessary object file support code must be linked
# in.  This might be only one, it might be up to four.  The necessary emulation
# code needs to be provided, too.
#
# And then there's "--enable-targets=all"....
#
# For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.

formats="${obj_format}"
emfiles=""
EMULATIONS=""
GAS_UNIQ(emulations)
for em in . $emulations ; do
  case $em in
    .)	continue ;;
    mipsbelf | mipslelf | mipself)
	fmt=elf   file=mipself ;;
    mipsbecoff | mipslecoff | mipsecoff)
	fmt=ecoff file=mipsecoff ;;
    *coff)
	fmt=coff  file=$em ;;
    *aout)
	fmt=aout file=$em ;;
    *elf)
	fmt=elf file=$em ;;
  esac
  formats="$formats $fmt"
  emfiles="$emfiles e-$file.o"
  EMULATIONS="$EMULATIONS &$em,"
done
GAS_UNIQ(formats)
GAS_UNIQ(emfiles)
if test `set . $formats ; shift ; echo $#` -gt 1 ; then
  for fmt in $formats ; do
    case $fmt in
      aout)	AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
      bout)	AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
      coff)	AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
      ecoff)	AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
      elf)	AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
      generic)	AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
      hp300)	AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
      ieee)	AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
      som)	AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
      vms)	AC_DEFINE(OBJ_MAYBE_VMS, 1,     [VMS support?])     ;;
    esac
    extra_objects="$extra_objects obj-$fmt.o"
  done
  obj_format=multi
fi
if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
  DEFAULT_EMULATION=`set . $emulations ; echo $2`
  # e-mips* has more than one emulation per file, e-i386* has just one at the
  # moment.  If only one emulation is specified, then don't define
  # USE_EMULATIONS or include any of the e-files as they will only be bloat.
  case "${obj_format}${emfiles}" in
    multi* | *mips*)
      extra_objects="$extra_objects $emfiles"
      AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
  esac
fi
AC_SUBST(extra_objects)
AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
		   [Default emulation.])

case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
  yes-*-coff)	need_bfd=yes ;;
  no-*-coff)	need_bfd=yes
		AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
esac

reject_dev_configs=yes

case ${reject_dev_configs}-${dev} in
  yes-yes) # Oops.
    AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
    ;;
esac

AC_SUBST(target_cpu_type)
AC_SUBST(obj_format)
AC_SUBST(te_file)
AC_SUBST(install_tooldir)
AC_SUBST(atof)
dnl AC_SUBST(emulation)

case "${primary_bfd_gas}" in
  yes)	AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
	need_bfd=yes ;;
esac

# do we need the opcodes library?
case "${need_opcodes}" in
yes)
  OPCODES_LIB=../opcodes/libopcodes.la
  ;;
esac

case "${need_bfd}" in
yes)
  BFDLIB=../bfd/libbfd.la
  ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
  ;;
esac

AC_SUBST(BFDLIB)
AC_SUBST(OPCODES_LIB)

AC_SUBST(ALL_OBJ_DEPS)

AC_DEFINE_UNQUOTED(TARGET_ALIAS,	"${target_alias}", [Target alias.])
AC_DEFINE_UNQUOTED(TARGET_CANONICAL,	"${target}",       [Canonical target.])
AC_DEFINE_UNQUOTED(TARGET_CPU,		"${target_cpu}",   [Target CPU.])
AC_DEFINE_UNQUOTED(TARGET_VENDOR,	"${target_vendor}", [Target vendor.])
AC_DEFINE_UNQUOTED(TARGET_OS,		"${target_os}",    [Target OS.])

AC_PROG_CC

AC_PROG_YACC
AM_PROG_LEX

ALL_LINGUAS=
CY_GNU_GETTEXT

AM_MAINTAINER_MODE
AC_EXEEXT

AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)

# Put this here so that autoconf's "cross-compiling" message doesn't confuse
# people who are not cross-compiling but are compiling cross-assemblers.
AC_MSG_CHECKING(whether compiling a cross-assembler)
if test "${host}" = "${target}"; then
  cross_gas=no
else
  cross_gas=yes
  AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
fi
AC_MSG_RESULT($cross_gas)

dnl ansidecl.h will deal with const
dnl AC_CONST
AC_FUNC_ALLOCA
AC_C_INLINE

# VMS doesn't have unlink.
AC_CHECK_FUNCS(unlink remove, break)

# Some systems don't have sbrk().
AC_CHECK_FUNCS(sbrk)

# do we need the math library?
case "${need_libm}" in
yes) 
  AC_CHECK_LIBM
  AC_SUBST(LIBM)
  ;;
esac

# Some non-ANSI preprocessors botch requoting inside strings.  That's bad
# enough, but on some of those systems, the assert macro relies on requoting
# working properly!
GAS_WORKING_ASSERT

# On some systems, the system header files may not declare malloc, realloc,
# and free.  There are places where gas needs these functions to have been
# declared -- such as when taking their addresses.
gas_test_headers="
#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
"
GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)

# Does errno.h declare errno, or do we have to add a separate declaration
# for it?
GAS_CHECK_DECL_NEEDED(errno, f, int f, [
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
])

dnl This must come last.

dnl We used to make symlinks to files in the source directory, but now
dnl we just use the right name for .c files, and create .h files in
dnl the build directory which include the right .h file.  Make sure
dnl the old symlinks don't exist, so that a reconfigure in an existing
dnl directory behaves reasonably.

AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 if test "x$cgen_cpu_prefix" != x ; then
   echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 fi

 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
[target_cpu_type=${target_cpu_type}
 cgen_cpu_prefix=${cgen_cpu_prefix}
 obj_format=${obj_format}
 te_file=${te_file}])