aboutsummaryrefslogtreecommitdiff
path: root/ld/configure.ac
blob: cce094380def2587c79197eef62011b5f2915a0f (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
dnl Process this file with autoconf to produce a configure script
dnl
dnl   Copyright (C) 2012-2024 Free Software Foundation, Inc.
dnl
dnl This file is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; see the file COPYING3.  If not see
dnl <http://www.gnu.org/licenses/>.
dnl

m4_include([../bfd/version.m4])
AC_INIT([ld], BFD_VERSION)
AC_CONFIG_SRCDIR(ldmain.c)

AC_CANONICAL_TARGET
AC_CANONICAL_BUILD

AM_INIT_AUTOMAKE
AM_SILENT_RULES([yes])
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CXX
AC_PROG_GREP
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG

LT_INIT
ACX_LARGEFILE

ac_checking=
. ${srcdir}/../bfd/development.sh
test "$development" = true && ac_checking=yes
AC_ARG_ENABLE(checking,
[  --enable-checking       enable run-time checks],
[case "${enableval}" in
  no|none)  ac_checking= ;;
  *)	    ac_checking=yes ;;
esac])dnl
if test x$ac_checking != x ; then
  AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
fi

AC_ARG_WITH(lib-path, [  --with-lib-path=dir1:dir2...  set default LIB_PATH],LIB_PATH=$withval)
AC_ARG_ENABLE(targets,
[  --enable-targets        alternative target configurations],
[case "${enableval}" in
  yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
	    ;;
  no)       enable_targets= ;;
  *)        enable_targets=$enableval ;;
esac])dnl

BFD_64_BIT

AC_ARG_WITH(sysroot,
[  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
[
 case ${with_sysroot} in
 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
 esac

 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
 use_sysroot=yes

 if test "x$prefix" = xNONE; then
  test_prefix=/usr/local
 else
  test_prefix=$prefix
 fi
 if test "x$exec_prefix" = xNONE; then
  test_exec_prefix=$test_prefix
 else
  test_exec_prefix=$exec_prefix
 fi
 case ${TARGET_SYSTEM_ROOT} in
 "${test_prefix}"|"${test_prefix}/"*|\
 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
 '${prefix}'|'${prefix}/'*|\
 '${exec_prefix}'|'${exec_prefix}/'*)
   t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
   TARGET_SYSTEM_ROOT_DEFINE="$t"
   ;;
 esac
], [
 use_sysroot=no
 TARGET_SYSTEM_ROOT=
 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
])
AC_SUBST(use_sysroot)
AC_SUBST(TARGET_SYSTEM_ROOT)
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)

dnl Use --enable-gold to decide if this linker should be the default.
dnl "install_as_default" is set to false if gold is the default linker.
dnl "installed_linker" is the installed BFD linker name.
AC_ARG_ENABLE(gold,
[[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
[case "${enableval}" in
 default)
   install_as_default=no
   installed_linker=ld.bfd
   ;;
 yes|no)
   install_as_default=yes
   installed_linker=ld.bfd
   ;;
 *)
   AC_MSG_ERROR([invalid --enable-gold argument])
   ;;
 esac],
[install_as_default=yes
 installed_linker=ld.bfd])
AC_SUBST(install_as_default)
AC_SUBST(installed_linker)

AC_ARG_ENABLE([got],
AS_HELP_STRING([--enable-got=<type>],
	       [GOT handling scheme (target, single, negative, multigot)]),
[case "${enableval}" in
  target | single | negative | multigot)  got_handling=$enableval ;;
  *)  AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;
esac],
[got_handling=target])

case "${got_handling}" in
  target)
    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
	      [Define to choose default GOT handling scheme]) ;;
  single)
    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
	      [Define to choose default GOT handling scheme]) ;;
  negative)
    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
	      [Define to choose default GOT handling scheme]) ;;
  multigot)
    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
	      [Define to choose default GOT handling scheme]) ;;
  *)  AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;;
esac

# PR gas/19109
# Decide the default method for compressing debug sections.
ac_default_compressed_debug_sections=unset
# Provide a configure time option to override our default.
AC_ARG_ENABLE(compressed_debug_sections,
	      AS_HELP_STRING([--enable-compressed-debug-sections={all,ld,none}],
	      [compress debug sections by default])],
[case ,"${enableval}", in
  ,yes, | ,all, | *,ld,*) ac_default_compressed_debug_sections=yes ;;
  ,no, | ,none,)  ac_default_compressed_debug_sections=no ;;
esac])dnl

# Select default compression algorithm.
ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_GABI_ZLIB
AC_ARG_ENABLE(default_compressed_debug_sections_algorithm,
	      AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}],
	      [Default compression algorithm for --enable-compressed-debug-sections.]),
[case "${enableval}" in
   zstd) ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_ZSTD ;;
esac])dnl

# Decide setting DT_RUNPATH instead of DT_RPATH by default
ac_default_new_dtags=unset
# Provide a configure time option to override our default.
AC_ARG_ENABLE(new_dtags,
	      AS_HELP_STRING([--enable-new-dtags],
	      [set DT_RUNPATH instead of DT_RPATH by default])],
[case "${enableval}" in
  yes) ac_default_new_dtags=1 ;;
  no) ac_default_new_dtags=0 ;;
esac])dnl

# Decide if -z relro should be enabled in ELF linker by default.
ac_default_ld_z_relro=unset
# Provide a configure time option to override our default.
AC_ARG_ENABLE(relro,
	      AS_HELP_STRING([--enable-relro],
	      [enable -z relro in ELF linker by default]),
[case "${enableval}" in
  yes)  ac_default_ld_z_relro=1 ;;
  no)  ac_default_ld_z_relro=0 ;;
esac])dnl

# Decide if DT_TEXTREL check should be enabled in ELF linker.
ac_default_ld_textrel_check=unset
AC_ARG_ENABLE([textrel-check],
	      AS_HELP_STRING([--enable-textrel-check=@<:@yes|no|warning|error@:>@],
			     [enable DT_TEXTREL check in ELF linker]),
[case "${enableval}" in
  yes|no|warning|error) ac_default_ld_textrel_check=${enableval} ;;
esac])

# Decide if -z separate-code should be enabled in ELF linker by default.
ac_default_ld_z_separate_code=unset
AC_ARG_ENABLE(separate-code,
	      AS_HELP_STRING([--enable-separate-code],
	      [enable -z separate-code in ELF linker by default]),
[case "${enableval}" in
  yes) ac_default_ld_z_separate_code=1 ;;
  no) ac_default_ld_z_separate_code=0 ;;
esac])

# Decide if -z mark-plt should be enabled in ELF x86-64 linker by default.
ac_default_ld_z_mark_plt=unset
AC_ARG_ENABLE(mark-plt,
	      AS_HELP_STRING([--enable-mark-plt],
	      [enable -z mark-plt in ELF x86-64 linker by default]),
[case "${enableval}" in
  yes) ac_default_ld_z_mark_plt=1 ;;
  no) ac_default_ld_z_mark_plt=0 ;;
esac])


# By default warn when an executable stack is created due to object files
# requesting such, not when the user specifies -z execstack.
ac_default_ld_warn_execstack=2
AC_ARG_ENABLE(warn-execstack,
	      AS_HELP_STRING([--enable-warn-execstack],
	      [enable warnings when creating an executable stack]),
[case "${enableval}" in
  yes) ac_default_ld_warn_execstack=1 ;;
  no)  ac_default_ld_warn_execstack=0 ;;
esac])

ac_default_ld_error_execstack=0
AC_ARG_ENABLE(error-execstack,
	      AS_HELP_STRING([--enable-error-execstack],
	      [turn executable stack warnings into errors]),
[case "${enableval}" in
  yes) ac_default_ld_error_execstack=1 ;;
  no)  ac_default_ld_error_execstack=0 ;;
esac])

ac_default_ld_warn_rwx_segments=unset
AC_ARG_ENABLE(warn-rwx-segments,
	      AS_HELP_STRING([--enable-warn-rwx-segments],
	      [enable warnings when creating segments with RWX permissions]),
[case "${enableval}" in
  yes) ac_default_ld_warn_rwx_segments=1 ;;
  no)  ac_default_ld_warn_rwx_segments=0 ;;
esac])

ac_default_ld_error_rwx_segments=0
AC_ARG_ENABLE(error-rwx-segments,
	      AS_HELP_STRING([--enable-error-rwx-segments],
	      [turn executable segment warnings into errors]),
[case "${enableval}" in
  yes) ac_default_ld_error_rwx_segments=1 ;;
  no)  ac_default_ld_error_rwx_segments=0 ;;
esac])

ac_default_ld_default_execstack=unset
AC_ARG_ENABLE(default-execstack,
	      AS_HELP_STRING([--enable-default-execstack],
	      [create an executable stack if an input file is missing a .note.GNU-stack section]),
[case "${enableval}" in
  yes) ac_default_ld_default_execstack=1 ;;
  no)  ac_default_ld_default_execstack=0 ;;
esac])


# Decide if --error-handling-script should be supported.
ac_support_error_handling_script=unset
AC_ARG_ENABLE(error-handling-script,
	      AS_HELP_STRING([--enable-error-handling-script],
	      [enable/disable support for the --error-handling-script option]),
[case "${enableval}" in
  yes) ac_support_error_handling_script=1 ;;
  no)  ac_support_error_handling_script=0 ;;
esac])

# Decide which "--hash-style" to use by default
# Provide a configure time option to override our default.
AC_ARG_ENABLE([default-hash-style],
AS_HELP_STRING([--enable-default-hash-style={sysv,gnu,both}],
	       [use this default hash style]),
[case "${enable_default_hash_style}" in
  sysv | gnu | both) ;;
  *) AC_MSG_ERROR([bad value ${enable_default_hash_style} for enable-default-hash-style option]) ;;
esac],
[case "${target}" in
  # Enable gnu hash only on GNU targets, but not mips
  mips*-*-*) enable_default_hash_style=sysv ;;
  *-*-gnu* | *-*-linux* | *-*-nacl*) enable_default_hash_style=both ;;
  *) enable_default_hash_style=sysv ;;
esac])

case "${enable_default_hash_style}" in
  sysv | both) ac_default_emit_sysv_hash=1 ;;
  *) ac_default_emit_sysv_hash=0 ;;
esac

case "${enable_default_hash_style}" in
  gnu | both) ac_default_emit_gnu_hash=1 ;;
  *) ac_default_emit_gnu_hash=0 ;;
esac

AC_ARG_ENABLE(initfini-array,
[  --disable-initfini-array do not use .init_array/.fini_array sections],
[case "${enableval}" in
 yes|no) ;;
 *) AC_MSG_ERROR([invalid --enable-initfini-array argument]) ;;
 esac], [enable_initfini_array=yes])
AC_SUBST(enable_initfini_array)
if test $enable_initfini_array = yes; then
  AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
    [Define .init_array/.fini_array sections are available and working.])
fi

GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
if test "${enable_libctf}" = yes; then
    AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
fi
AM_CONDITIONAL(ENABLE_LIBCTF, test "${enable_libctf}" = yes)
AC_SUBST(enable_libctf)

# Used to validate --package-metadata= input. Disabled by default.
AC_ARG_ENABLE([jansson],
  [AS_HELP_STRING([--enable-jansson],
    [enable jansson [default=no]])],
  [enable_jansson=$enableval],
  [enable_jansson="no"])

AS_IF([test "x$enable_jansson" != "xno"],
  [PKG_CHECK_MODULES(JANSSON, [jansson],
    [
      AC_DEFINE(HAVE_JANSSON, 1, [The jansson library is to be used])
      AC_SUBST([JANSSON_CFLAGS])
      AC_SUBST([JANSSON_LIBS])
    ],
    [AC_MSG_ERROR([Cannot find jansson library])])
  ])

AM_BINUTILS_WARNINGS

AM_LC_MESSAGES

AC_CONFIG_HEADERS([config.h:config.in])

# PR 14072
AH_VERBATIM([00_CONFIG_H_CHECK],
[/* Check that config.h is #included before system headers
   (this works only for glibc, but that should be enough).  */
#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
#  error config.h must be #included before system headers
#endif
#define __CONFIG_H__ 1])

if test -z "$target" ; then
    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
fi
if test -z "$host" ; then
    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
fi

# host-specific stuff:

ALL_LINGUAS="bg da de es fi fr ga id it ja pt_BR ru sr sv tr uk vi zh_CN zh_TW"
ZW_GNU_GETTEXT_SISTER_DIR
AM_PO_SUBDIRS

AC_EXEEXT

AC_PROG_YACC
AM_PROG_LEX

AM_MAINTAINER_MODE
AM_CONDITIONAL(GENINSRC_NEVER, false)
ACX_PROG_CMP_IGNORE_INITIAL

. ${srcdir}/configure.host

AC_SUBST(HDEFINES)
AC_SUBST(NATIVE_LIB_DIRS)

# We use headers from include/ that check various HAVE_*_H macros, thus
# should ensure they are set by configure.  This is true even when C99
# guarantees they are available.
# sha1.h and md4.h test HAVE_LIMITS_H, HAVE_SYS_TYPES_H and HAVE_STDINT_H
# plugin-api.h tests HAVE_STDINT_H and HAVE_INTTYPES_H
# Besides those, we need to check anything used in ld/ not in C99.
AC_CHECK_HEADERS(fcntl.h elf-hints.h limits.h inttypes.h stdint.h \
		 sys/file.h sys/mman.h sys/param.h sys/stat.h sys/time.h \
		 sys/types.h unistd.h)
AC_CHECK_FUNCS(close glob lseek mkstemp open realpath waitpid)

BFD_BINARY_FOPEN

AC_CHECK_DECLS([asprintf, environ, stpcpy])

GCC_AC_FUNC_MMAP

AC_SEARCH_LIBS([dlopen], [dl])

AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
if test $ld_cv_decl_getopt_unistd_h = yes; then
  AC_DEFINE([HAVE_DECL_GETOPT], 1,
	    [Is the prototype for getopt in <unistd.h> in the expected format?])
fi

# Link in zlib/zstd if we can.  This allows us to read and write
# compressed debug sections.
AM_ZLIB
AC_ZSTD

# target-specific stuff:

all_targets=
EMUL=
all_emuls=
all_emul_extras=
all_libpath=
TDIRS=

elf_list_options=false
elf_shlib_list_options=false
elf_plt_unwind_list_options=false
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
  if test "$targ_alias" = "all"; then
    all_targets=true
    elf_list_options=true
    elf_shlib_list_options=true
    elf_plt_unwind_list_options=true
  else
    # Canonicalize the secondary target names.
    result=`$ac_config_sub $targ_alias 2>/dev/null`
    if test -n "$result"; then
	targ=$result
    else
	targ=$targ_alias
    fi

    . ${srcdir}/configure.tgt

    if test "$targ" = "$target"; then
      EMUL=$targ_emul
    fi

    if test x${enable_64_bit_bfd} = xno; then
      . ${srcdir}/../bfd/config.bfd
    fi

    if test x${enable_64_bit_bfd} = xyes; then
      targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
      targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
    fi

    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
	case " $all_emuls " in
	*" e${i}.o "*) ;;
	*)
	  all_emuls="$all_emuls e${i}.o"
	  eval result=\$tdir_$i
	  test -z "$result" && result=$targ_alias
	  TDIRS="$TDIRS
tdir_$i=$result"
	  case "${i}" in
	  *elf*)
	    elf_list_options=true
	    ;;
	  *)
	    if $GREP "TEMPLATE_NAME=elf" ${srcdir}/emulparams/${i}.sh >/dev/null 2>/dev/null; then
	      elf_list_options=true
	    fi
	    ;;
	  esac
	  if test "$elf_list_options" = "true"; then
	    source_sh()
	    {
	      . $1
	    }
	    source_sh ${srcdir}/emulparams/${i}.sh
	    if test x${GENERATE_SHLIB_SCRIPT} = xyes; then
	      elf_shlib_list_options=true
	    fi
	    if test x${PLT_UNWIND} = xyes; then
	      elf_plt_unwind_list_options=true
	    fi
	  fi
	  ;;
	esac
    done

    for i in $targ_emul $targ_extra_libpath; do
	case " $all_libpath " in
	*" ${i} "*) ;;
	*)
	  if test -z "$all_libpath"; then
	    all_libpath=${i}
	  else
	    all_libpath="$all_libpath ${i}"
	  fi
	  ;;
	esac
    done

    for i in $targ_extra_ofiles; do
	case " $all_emul_extras " in
	*" ${i} "*) ;;
	*)
	  all_emul_extras="$all_emul_extras ${i}"
	  ;;
	esac
    done

  fi
done

if test x$ac_default_compressed_debug_sections = xyes ; then
  AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
fi

AC_DEFINE_UNQUOTED(DEFAULT_COMPRESSED_DEBUG_ALGORITHM, $ac_default_compressed_debug_sections_algorithm,
		   [Default compression algorithm for --enable-compressed-debug-sections.])

if test "${ac_default_new_dtags}" = unset; then
  ac_default_new_dtags=0
fi
AC_DEFINE_UNQUOTED(DEFAULT_NEW_DTAGS,
  $ac_default_new_dtags,
  [Define to 1 if you want to set DT_RUNPATH instead of DT_RPATH by default.])

if test "${ac_default_ld_z_relro}" = unset; then
  ac_default_ld_z_relro=0
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_RELRO,
  $ac_default_ld_z_relro,
  [Define to 1 if you want to enable -z relro in ELF linker by default.])

ac_default_ld_textrel_check_warning=0
case "${ac_default_ld_textrel_check}" in
  unset|no)
    ac_default_ld_textrel_check=textrel_check_none
    ;;
  yes|warning)
    ac_default_ld_textrel_check=textrel_check_warning
    ac_default_ld_textrel_check_warning=1
    ;;
  error)
    ac_default_ld_textrel_check=textrel_check_error
    ;;
esac
AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK,
  $ac_default_ld_textrel_check,
  [The default method for DT_TEXTREL check in ELF linker.])
AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK_WARNING,
  $ac_default_ld_textrel_check_warning,
  [Define to 1 if DT_TEXTREL check is warning in ELF linker by default.])

if test "${ac_default_ld_z_separate_code}" = unset; then
  ac_default_ld_z_separate_code=0
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_SEPARATE_CODE,
  $ac_default_ld_z_separate_code,
  [Define to 1 if you want to enable -z separate-code in ELF linker by default.])

if test "${ac_default_ld_z_mark_plt}" = unset; then
  ac_default_ld_z_mark_plt=0
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_MARK_PLT,
  $ac_default_ld_z_mark_plt,
  [Define to 1 if you want to enable -z mark-plt in ELF x86-64 linker by default.])


AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_EXECSTACK,
  $ac_default_ld_warn_execstack,
  [Define to 1 if you want to enable --warn-execstack in ELF linker by default.])

AC_DEFINE_UNQUOTED(DEFAULT_LD_ERROR_EXECSTACK,
  $ac_default_ld_error_execstack,
  [Define to 1 if you want to turn executable stack warnings into errors by default.])

if test "${ac_default_ld_warn_rwx_segments}" = unset; then
  ac_default_ld_warn_rwx_segments=1
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_RWX_SEGMENTS,
  $ac_default_ld_warn_rwx_segments,
  [Define to 0 if you want to disable --warn-rwx-segments in ELF linker by default.])

AC_DEFINE_UNQUOTED(DEFAULT_LD_ERROR_RWX_SEGMENTS,
  $ac_default_ld_error_rwx_segments,
  [Define to 1 if you want to turn executable segment warnings into errors by default.])

if test "${ac_default_ld_default_execstack}" = unset; then
  ac_default_ld_default_execstack=1
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_EXECSTACK,
  $ac_default_ld_default_execstack,
  [Define to 0 if you want to disable the generation of an executable stack when a .note-GNU-stack section is missing.])


if test "${ac_support_error_handling_script}" = unset; then
  ac_support_error_handling_script=1
fi
AC_DEFINE_UNQUOTED(SUPPORT_ERROR_HANDLING_SCRIPT,
  $ac_support_error_handling_script,
  [Define to 1 if you want to support the --error-handling-script command line option.])

AC_DEFINE_UNQUOTED([DEFAULT_EMIT_SYSV_HASH],
  [$ac_default_emit_sysv_hash],
  [Define to 1 if you want to emit sysv hash in the ELF linker by default.])

AC_DEFINE_UNQUOTED([DEFAULT_EMIT_GNU_HASH],
  [$ac_default_emit_gnu_hash],
  [Define to 1 if you want to emit gnu hash in the ELF linker by default.])

AC_SUBST(elf_list_options)
AC_SUBST(elf_shlib_list_options)
AC_SUBST(elf_plt_unwind_list_options)
AC_SUBST(EMUL)

AC_SUBST(TDIRS)
AM_SUBST_NOTMAKE(TDIRS)

if test x${all_targets} = xtrue; then
  if test x${enable_64_bit_bfd} = xyes; then
    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
    EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)'
  else
    EMULATION_OFILES='$(ALL_EMULATIONS)'
    EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
  fi
else
  EMULATION_OFILES=$all_emuls
  EMUL_EXTRA_OFILES=$all_emul_extras
fi
AC_SUBST(EMULATION_OFILES)
AC_SUBST(EMUL_EXTRA_OFILES)
AC_SUBST(LIB_PATH)

EMULATION_LIBPATH=$all_libpath
AC_SUBST(EMULATION_LIBPATH)

if test x${enable_static} = xno; then
  TESTBFDLIB="-Wl,--rpath,../bfd/.libs ../bfd/.libs/libbfd.so"
  TESTCTFLIB="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
  TESTSFRAMELIB="-Wl,--rpath,../libsframe/.libs ../libsframe/.libs/libsframe.so"
else
  TESTBFDLIB="../bfd/.libs/libbfd.a"
  TESTCTFLIB="../libctf/.libs/libctf.a"
  TESTSFRAMELIB="../libsframe/.libs/libsframe.a"
fi
if test "${enable_libctf}" = no; then
    TESTCTFLIB=
fi
AC_SUBST(TESTBFDLIB)
AC_SUBST(TESTCTFLIB)
AC_SUBST(TESTSFRAMELIB)

target_vendor=${target_vendor=$host_vendor}
case "$target_vendor" in
  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
  *)  EXTRA_SHLIB_EXTENSION= ;;
esac

case "$target_os" in
  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
esac

if test x${EXTRA_SHLIB_EXTENSION} != x ; then
  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
   [Additional extension a shared object might have.])
fi

AC_CONFIG_COMMANDS([default],
[[
case "$srcdir" in
  .) srcdirpre= ;;
  *) srcdirpre='$(srcdir)/' ;;
esac
POFILES=
GMOFILES=
for lang in dummy $OBSOLETE_ALL_LINGUAS; do
  if test $lang != dummy; then
    POFILES="$POFILES $srcdirpre$lang.po"
    GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
  fi
done
sed -e '/^SRC-POTFILES =/r po/SRC-POTFILES' \
    -e '/^BLD-POTFILES =/r po/BLD-POTFILES' \
    -e "s,@POFILES@,$POFILES," \
    -e "s,@GMOFILES@,$GMOFILES," \
    po/Makefile.in > po/Makefile]],[[]])

dnl Required by html, pdf, install-pdf and install-html
AC_SUBST(datarootdir)
AC_SUBST(docdir)
AC_SUBST(htmldir)
AC_SUBST(pdfdir)

AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
AC_OUTPUT

GNU_MAKE_JOBSERVER