1dnl Process this file with autoconf to produce a configure script
2dnl
3dnl   Copyright (C) 2012-2024 Free Software Foundation, Inc.
4dnl
5dnl This file is free software; you can redistribute it and/or modify
6dnl it under the terms of the GNU General Public License as published by
7dnl the Free Software Foundation; either version 3 of the License, or
8dnl (at your option) any later version.
9dnl
10dnl This program is distributed in the hope that it will be useful,
11dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13dnl GNU General Public License for more details.
14dnl
15dnl You should have received a copy of the GNU General Public License
16dnl along with this program; see the file COPYING3.  If not see
17dnl <http://www.gnu.org/licenses/>.
18dnl
19
20m4_include([../bfd/version.m4])
21AC_INIT([ld], BFD_VERSION)
22AC_CONFIG_SRCDIR(ldmain.c)
23
24AC_CANONICAL_TARGET
25AC_CANONICAL_BUILD
26
27AM_INIT_AUTOMAKE
28AM_SILENT_RULES([yes])
29AM_MAINTAINER_MODE
30
31AC_PROG_CC
32AC_PROG_CXX
33AC_PROG_GREP
34AC_GNU_SOURCE
35AC_USE_SYSTEM_EXTENSIONS
36AC_PROG_INSTALL
37PKG_PROG_PKG_CONFIG
38
39LT_INIT
40ACX_LARGEFILE
41
42ac_checking=
43. ${srcdir}/../bfd/development.sh
44test "$development" = true && ac_checking=yes
45AC_ARG_ENABLE(checking,
46[  --enable-checking       enable run-time checks],
47[case "${enableval}" in
48  no|none)  ac_checking= ;;
49  *)	    ac_checking=yes ;;
50esac])dnl
51if test x$ac_checking != x ; then
52  AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
53fi
54
55AC_ARG_WITH(lib-path, [  --with-lib-path=dir1:dir2...  set default LIB_PATH],LIB_PATH=$withval)
56AC_ARG_ENABLE(targets,
57[  --enable-targets        alternative target configurations],
58[case "${enableval}" in
59  yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
60	    ;;
61  no)       enable_targets= ;;
62  *)        enable_targets=$enableval ;;
63esac])dnl
64
65BFD_64_BIT
66
67AC_ARG_WITH(sysroot,
68[  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
69[
70 case ${with_sysroot} in
71 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
72 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
73 esac
74
75 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
76 use_sysroot=yes
77
78 if test "x$prefix" = xNONE; then
79  test_prefix=/usr/local
80 else
81  test_prefix=$prefix
82 fi
83 if test "x$exec_prefix" = xNONE; then
84  test_exec_prefix=$test_prefix
85 else
86  test_exec_prefix=$exec_prefix
87 fi
88 case ${TARGET_SYSTEM_ROOT} in
89 "${test_prefix}"|"${test_prefix}/"*|\
90 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
91 '${prefix}'|'${prefix}/'*|\
92 '${exec_prefix}'|'${exec_prefix}/'*)
93   t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
94   TARGET_SYSTEM_ROOT_DEFINE="$t"
95   ;;
96 esac
97], [
98 use_sysroot=no
99 TARGET_SYSTEM_ROOT=
100 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
101])
102AC_SUBST(use_sysroot)
103AC_SUBST(TARGET_SYSTEM_ROOT)
104AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
105
106dnl Use --enable-gold to decide if this linker should be the default.
107dnl "install_as_default" is set to false if gold is the default linker.
108dnl "installed_linker" is the installed BFD linker name.
109AC_ARG_ENABLE(gold,
110[[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
111[case "${enableval}" in
112 default)
113   install_as_default=no
114   installed_linker=ld.bfd
115   ;;
116 yes|no)
117   install_as_default=yes
118   installed_linker=ld.bfd
119   ;;
120 *)
121   AC_MSG_ERROR([invalid --enable-gold argument])
122   ;;
123 esac],
124[install_as_default=yes
125 installed_linker=ld.bfd])
126AC_SUBST(install_as_default)
127AC_SUBST(installed_linker)
128
129AC_ARG_ENABLE([got],
130AS_HELP_STRING([--enable-got=<type>],
131	       [GOT handling scheme (target, single, negative, multigot)]),
132[case "${enableval}" in
133  target | single | negative | multigot)  got_handling=$enableval ;;
134  *)  AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;
135esac],
136[got_handling=target])
137
138case "${got_handling}" in
139  target)
140    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
141	      [Define to choose default GOT handling scheme]) ;;
142  single)
143    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
144	      [Define to choose default GOT handling scheme]) ;;
145  negative)
146    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
147	      [Define to choose default GOT handling scheme]) ;;
148  multigot)
149    AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
150	      [Define to choose default GOT handling scheme]) ;;
151  *)  AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;;
152esac
153
154# PR gas/19109
155# Decide the default method for compressing debug sections.
156ac_default_compressed_debug_sections=unset
157# Provide a configure time option to override our default.
158AC_ARG_ENABLE(compressed_debug_sections,
159	      AS_HELP_STRING([--enable-compressed-debug-sections={all,ld,none}],
160	      [compress debug sections by default])],
161[case ,"${enableval}", in
162  ,yes, | ,all, | *,ld,*) ac_default_compressed_debug_sections=yes ;;
163  ,no, | ,none,)  ac_default_compressed_debug_sections=no ;;
164esac])dnl
165
166# Select default compression algorithm.
167ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_GABI_ZLIB
168AC_ARG_ENABLE(default_compressed_debug_sections_algorithm,
169	      AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}],
170	      [Default compression algorithm for --enable-compressed-debug-sections.]),
171[case "${enableval}" in
172   zstd) ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_ZSTD ;;
173esac])dnl
174
175# Decide setting DT_RUNPATH instead of DT_RPATH by default
176ac_default_new_dtags=unset
177# Provide a configure time option to override our default.
178AC_ARG_ENABLE(new_dtags,
179	      AS_HELP_STRING([--enable-new-dtags],
180	      [set DT_RUNPATH instead of DT_RPATH by default])],
181[case "${enableval}" in
182  yes) ac_default_new_dtags=1 ;;
183  no) ac_default_new_dtags=0 ;;
184esac])dnl
185
186# Decide if -z relro should be enabled in ELF linker by default.
187ac_default_ld_z_relro=unset
188# Provide a configure time option to override our default.
189AC_ARG_ENABLE(relro,
190	      AS_HELP_STRING([--enable-relro],
191	      [enable -z relro in ELF linker by default]),
192[case "${enableval}" in
193  yes)  ac_default_ld_z_relro=1 ;;
194  no)  ac_default_ld_z_relro=0 ;;
195esac])dnl
196
197# Decide if DT_TEXTREL check should be enabled in ELF linker.
198ac_default_ld_textrel_check=unset
199AC_ARG_ENABLE([textrel-check],
200	      AC_HELP_STRING([--enable-textrel-check=@<:@yes|no|warning|error@:>@],
201			     [enable DT_TEXTREL check in ELF linker]),
202[case "${enableval}" in
203  yes|no|warning|error) ac_default_ld_textrel_check=${enableval} ;;
204esac])
205
206# Decide if -z separate-code should be enabled in ELF linker by default.
207ac_default_ld_z_separate_code=unset
208AC_ARG_ENABLE(separate-code,
209	      AS_HELP_STRING([--enable-separate-code],
210	      [enable -z separate-code in ELF linker by default]),
211[case "${enableval}" in
212  yes) ac_default_ld_z_separate_code=1 ;;
213  no) ac_default_ld_z_separate_code=0 ;;
214esac])
215
216# Decide if -z mark-plt should be enabled in ELF x86-64 linker by default.
217ac_default_ld_z_mark_plt=unset
218AC_ARG_ENABLE(mark-plt,
219	      AS_HELP_STRING([--enable-mark-plt],
220	      [enable -z mark-plt in ELF x86-64 linker by default]),
221[case "${enableval}" in
222  yes) ac_default_ld_z_mark_plt=1 ;;
223  no) ac_default_ld_z_mark_plt=0 ;;
224esac])
225
226
227# By default warn when an executable stack is created due to object files
228# requesting such, not when the user specifies -z execstack.
229ac_default_ld_warn_execstack=2
230AC_ARG_ENABLE(warn-execstack,
231	      AS_HELP_STRING([--enable-warn-execstack],
232	      [enable warnings when creating an executable stack]),
233[case "${enableval}" in
234  yes) ac_default_ld_warn_execstack=1 ;;
235  no)  ac_default_ld_warn_execstack=0 ;;
236esac])
237
238ac_default_ld_error_execstack=0
239AC_ARG_ENABLE(error-execstack,
240	      AS_HELP_STRING([--enable-error-execstack],
241	      [turn executable stack warnings into errors]),
242[case "${enableval}" in
243  yes) ac_default_ld_error_execstack=1 ;;
244  no)  ac_default_ld_error_execstack=0 ;;
245esac])
246
247ac_default_ld_warn_rwx_segments=unset
248AC_ARG_ENABLE(warn-rwx-segments,
249	      AS_HELP_STRING([--enable-warn-rwx-segments],
250	      [enable warnings when creating segments with RWX permissions]),
251[case "${enableval}" in
252  yes) ac_default_ld_warn_rwx_segments=1 ;;
253  no)  ac_default_ld_warn_rwx_segments=0 ;;
254esac])
255
256ac_default_ld_error_rwx_segments=0
257AC_ARG_ENABLE(error-rwx-segments,
258	      AS_HELP_STRING([--enable-error-rwx-segments],
259	      [turn executable segment warnings into errors]),
260[case "${enableval}" in
261  yes) ac_default_ld_error_rwx_segments=1 ;;
262  no)  ac_default_ld_error_rwx_segments=0 ;;
263esac])
264
265ac_default_ld_default_execstack=unset
266AC_ARG_ENABLE(default-execstack,
267	      AS_HELP_STRING([--enable-default-execstack],
268	      [create an executable stack if an input file is missing a .note.GNU-stack section]),
269[case "${enableval}" in
270  yes) ac_default_ld_default_execstack=1 ;;
271  no)  ac_default_ld_default_execstack=0 ;;
272esac])
273
274
275# Decide if --error-handling-script should be supported.
276ac_support_error_handling_script=unset
277AC_ARG_ENABLE(error-handling-script,
278	      AS_HELP_STRING([--enable-error-handling-script],
279	      [enable/disable support for the --error-handling-script option]),
280[case "${enableval}" in
281  yes) ac_support_error_handling_script=1 ;;
282  no)  ac_support_error_handling_script=0 ;;
283esac])
284
285# Decide which "--hash-style" to use by default
286# Provide a configure time option to override our default.
287AC_ARG_ENABLE([default-hash-style],
288AS_HELP_STRING([--enable-default-hash-style={sysv,gnu,both}],
289	       [use this default hash style]),
290[case "${enable_default_hash_style}" in
291  sysv | gnu | both) ;;
292  *) AC_MSG_ERROR([bad value ${enable_default_hash_style} for enable-default-hash-style option]) ;;
293esac],
294[case "${target}" in
295  # Enable gnu hash only on GNU targets, but not mips
296  mips*-*-*) enable_default_hash_style=sysv ;;
297  *-*-gnu* | *-*-linux* | *-*-nacl*) enable_default_hash_style=both ;;
298  *) enable_default_hash_style=sysv ;;
299esac])
300
301case "${enable_default_hash_style}" in
302  sysv | both) ac_default_emit_sysv_hash=1 ;;
303  *) ac_default_emit_sysv_hash=0 ;;
304esac
305
306case "${enable_default_hash_style}" in
307  gnu | both) ac_default_emit_gnu_hash=1 ;;
308  *) ac_default_emit_gnu_hash=0 ;;
309esac
310
311AC_ARG_ENABLE(initfini-array,
312[  --disable-initfini-array do not use .init_array/.fini_array sections],
313[case "${enableval}" in
314 yes|no) ;;
315 *) AC_MSG_ERROR([invalid --enable-initfini-array argument]) ;;
316 esac], [enable_initfini_array=yes])
317AC_SUBST(enable_initfini_array)
318if test $enable_initfini_array = yes; then
319  AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
320    [Define .init_array/.fini_array sections are available and working.])
321fi
322
323GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
324if test "${enable_libctf}" = yes; then
325    AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
326fi
327AM_CONDITIONAL(ENABLE_LIBCTF, test "${enable_libctf}" = yes)
328AC_SUBST(enable_libctf)
329
330# Used to validate --package-metadata= input. Disabled by default.
331AC_ARG_ENABLE([jansson],
332  [AS_HELP_STRING([--enable-jansson],
333    [enable jansson [default=no]])],
334  [enable_jansson=$enableval],
335  [enable_jansson="no"])
336
337AS_IF([test "x$enable_jansson" != "xno"],
338  [PKG_CHECK_MODULES(JANSSON, [jansson],
339    [
340      AC_DEFINE(HAVE_JANSSON, 1, [The jansson library is to be used])
341      AC_SUBST([JANSSON_CFLAGS])
342      AC_SUBST([JANSSON_LIBS])
343    ],
344    [AC_MSG_ERROR([Cannot find jansson library])])
345  ])
346
347AM_BINUTILS_WARNINGS
348
349AM_LC_MESSAGES
350
351AC_CONFIG_HEADERS([config.h:config.in])
352
353# PR 14072
354AH_VERBATIM([00_CONFIG_H_CHECK],
355[/* Check that config.h is #included before system headers
356   (this works only for glibc, but that should be enough).  */
357#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
358#  error config.h must be #included before system headers
359#endif
360#define __CONFIG_H__ 1])
361
362if test -z "$target" ; then
363    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
364fi
365if test -z "$host" ; then
366    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
367fi
368
369# host-specific stuff:
370
371ALL_LINGUAS="bg da de es fi fr ga id it ja pt_BR ru sr sv tr uk vi zh_CN zh_TW"
372ZW_GNU_GETTEXT_SISTER_DIR
373AM_PO_SUBDIRS
374
375AC_EXEEXT
376
377AC_PROG_YACC
378AM_PROG_LEX
379
380AM_MAINTAINER_MODE
381AM_CONDITIONAL(GENINSRC_NEVER, false)
382ACX_PROG_CMP_IGNORE_INITIAL
383
384. ${srcdir}/configure.host
385
386AC_SUBST(HDEFINES)
387AC_SUBST(NATIVE_LIB_DIRS)
388
389# We use headers from include/ that check various HAVE_*_H macros, thus
390# should ensure they are set by configure.  This is true even when C99
391# guarantees they are available.
392# sha1.h and md4.h test HAVE_LIMITS_H, HAVE_SYS_TYPES_H and HAVE_STDINT_H
393# plugin-api.h tests HAVE_STDINT_H and HAVE_INTTYPES_H
394# Besides those, we need to check anything used in ld/ not in C99.
395AC_CHECK_HEADERS(fcntl.h elf-hints.h limits.h inttypes.h stdint.h \
396		 sys/file.h sys/mman.h sys/param.h sys/stat.h sys/time.h \
397		 sys/types.h unistd.h)
398AC_CHECK_FUNCS(close glob lseek mkstemp open realpath waitpid)
399
400BFD_BINARY_FOPEN
401
402AC_CHECK_DECLS([asprintf, environ, stpcpy])
403
404AC_FUNC_MMAP
405
406AC_SEARCH_LIBS([dlopen], [dl])
407
408AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
409AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
410[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
411ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
412AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
413if test $ld_cv_decl_getopt_unistd_h = yes; then
414  AC_DEFINE([HAVE_DECL_GETOPT], 1,
415	    [Is the prototype for getopt in <unistd.h> in the expected format?])
416fi
417
418# Link in zlib/zstd if we can.  This allows us to read and write
419# compressed debug sections.
420AM_ZLIB
421AC_ZSTD
422
423# target-specific stuff:
424
425all_targets=
426EMUL=
427all_emuls=
428all_emul_extras=
429all_libpath=
430TDIRS=
431
432elf_list_options=false
433elf_shlib_list_options=false
434elf_plt_unwind_list_options=false
435for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
436do
437  if test "$targ_alias" = "all"; then
438    all_targets=true
439    elf_list_options=true
440    elf_shlib_list_options=true
441    elf_plt_unwind_list_options=true
442  else
443    # Canonicalize the secondary target names.
444    result=`$ac_config_sub $targ_alias 2>/dev/null`
445    if test -n "$result"; then
446	targ=$result
447    else
448	targ=$targ_alias
449    fi
450
451    . ${srcdir}/configure.tgt
452
453    if test "$targ" = "$target"; then
454      EMUL=$targ_emul
455    fi
456
457    if test x${enable_64_bit_bfd} = xno; then
458      . ${srcdir}/../bfd/config.bfd
459    fi
460
461    if test x${enable_64_bit_bfd} = xyes; then
462      targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
463      targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
464    fi
465
466    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
467	case " $all_emuls " in
468	*" e${i}.o "*) ;;
469	*)
470	  all_emuls="$all_emuls e${i}.o"
471	  eval result=\$tdir_$i
472	  test -z "$result" && result=$targ_alias
473	  TDIRS="$TDIRS
474tdir_$i=$result"
475	  case "${i}" in
476	  *elf*)
477	    elf_list_options=true
478	    ;;
479	  *)
480	    if $GREP "TEMPLATE_NAME=elf" ${srcdir}/emulparams/${i}.sh >/dev/null 2>/dev/null; then
481	      elf_list_options=true
482	    fi
483	    ;;
484	  esac
485	  if test "$elf_list_options" = "true"; then
486	    source_sh()
487	    {
488	      . $1
489	    }
490	    source_sh ${srcdir}/emulparams/${i}.sh
491	    if test x${GENERATE_SHLIB_SCRIPT} = xyes; then
492	      elf_shlib_list_options=true
493	    fi
494	    if test x${PLT_UNWIND} = xyes; then
495	      elf_plt_unwind_list_options=true
496	    fi
497	  fi
498	  ;;
499	esac
500    done
501
502    for i in $targ_emul $targ_extra_libpath; do
503	case " $all_libpath " in
504	*" ${i} "*) ;;
505	*)
506	  if test -z "$all_libpath"; then
507	    all_libpath=${i}
508	  else
509	    all_libpath="$all_libpath ${i}"
510	  fi
511	  ;;
512	esac
513    done
514
515    for i in $targ_extra_ofiles; do
516	case " $all_emul_extras " in
517	*" ${i} "*) ;;
518	*)
519	  all_emul_extras="$all_emul_extras ${i}"
520	  ;;
521	esac
522    done
523
524  fi
525done
526
527if test x$ac_default_compressed_debug_sections = xyes ; then
528  AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
529fi
530
531AC_DEFINE_UNQUOTED(DEFAULT_COMPRESSED_DEBUG_ALGORITHM, $ac_default_compressed_debug_sections_algorithm,
532		   [Default compression algorithm for --enable-compressed-debug-sections.])
533
534if test "${ac_default_new_dtags}" = unset; then
535  ac_default_new_dtags=0
536fi
537AC_DEFINE_UNQUOTED(DEFAULT_NEW_DTAGS,
538  $ac_default_new_dtags,
539  [Define to 1 if you want to set DT_RUNPATH instead of DT_RPATH by default.])
540
541if test "${ac_default_ld_z_relro}" = unset; then
542  ac_default_ld_z_relro=0
543fi
544AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_RELRO,
545  $ac_default_ld_z_relro,
546  [Define to 1 if you want to enable -z relro in ELF linker by default.])
547
548ac_default_ld_textrel_check_warning=0
549case "${ac_default_ld_textrel_check}" in
550  unset|no)
551    ac_default_ld_textrel_check=textrel_check_none
552    ;;
553  yes|warning)
554    ac_default_ld_textrel_check=textrel_check_warning
555    ac_default_ld_textrel_check_warning=1
556    ;;
557  error)
558    ac_default_ld_textrel_check=textrel_check_error
559    ;;
560esac
561AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK,
562  $ac_default_ld_textrel_check,
563  [The default method for DT_TEXTREL check in ELF linker.])
564AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK_WARNING,
565  $ac_default_ld_textrel_check_warning,
566  [Define to 1 if DT_TEXTREL check is warning in ELF linker by default.])
567
568if test "${ac_default_ld_z_separate_code}" = unset; then
569  ac_default_ld_z_separate_code=0
570fi
571AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_SEPARATE_CODE,
572  $ac_default_ld_z_separate_code,
573  [Define to 1 if you want to enable -z separate-code in ELF linker by default.])
574
575if test "${ac_default_ld_z_mark_plt}" = unset; then
576  ac_default_ld_z_mark_plt=0
577fi
578AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_MARK_PLT,
579  $ac_default_ld_z_mark_plt,
580  [Define to 1 if you want to enable -z mark-plt in ELF x86-64 linker by default.])
581
582
583AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_EXECSTACK,
584  $ac_default_ld_warn_execstack,
585  [Define to 1 if you want to enable --warn-execstack in ELF linker by default.])
586
587AC_DEFINE_UNQUOTED(DEFAULT_LD_ERROR_EXECSTACK,
588  $ac_default_ld_error_execstack,
589  [Define to 1 if you want to turn executable stack warnings into errors by default.])
590
591if test "${ac_default_ld_warn_rwx_segments}" = unset; then
592  ac_default_ld_warn_rwx_segments=1
593fi
594AC_DEFINE_UNQUOTED(DEFAULT_LD_WARN_RWX_SEGMENTS,
595  $ac_default_ld_warn_rwx_segments,
596  [Define to 0 if you want to disable --warn-rwx-segments in ELF linker by default.])
597
598AC_DEFINE_UNQUOTED(DEFAULT_LD_ERROR_RWX_SEGMENTS,
599  $ac_default_ld_error_rwx_segments,
600  [Define to 1 if you want to turn executable segment warnings into errors by default.])
601
602if test "${ac_default_ld_default_execstack}" = unset; then
603  ac_default_ld_default_execstack=1
604fi
605AC_DEFINE_UNQUOTED(DEFAULT_LD_EXECSTACK,
606  $ac_default_ld_default_execstack,
607  [Define to 0 if you want to disable the generation of an executable stack when a .note-GNU-stack section is missing.])
608
609
610if test "${ac_support_error_handling_script}" = unset; then
611  ac_support_error_handling_script=1
612fi
613AC_DEFINE_UNQUOTED(SUPPORT_ERROR_HANDLING_SCRIPT,
614  $ac_support_error_handling_script,
615  [Define to 1 if you want to support the --error-handling-script command line option.])
616
617AC_DEFINE_UNQUOTED([DEFAULT_EMIT_SYSV_HASH],
618  [$ac_default_emit_sysv_hash],
619  [Define to 1 if you want to emit sysv hash in the ELF linker by default.])
620
621AC_DEFINE_UNQUOTED([DEFAULT_EMIT_GNU_HASH],
622  [$ac_default_emit_gnu_hash],
623  [Define to 1 if you want to emit gnu hash in the ELF linker by default.])
624
625AC_SUBST(elf_list_options)
626AC_SUBST(elf_shlib_list_options)
627AC_SUBST(elf_plt_unwind_list_options)
628AC_SUBST(EMUL)
629
630AC_SUBST(TDIRS)
631AM_SUBST_NOTMAKE(TDIRS)
632
633if test x${all_targets} = xtrue; then
634  if test x${enable_64_bit_bfd} = xyes; then
635    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
636    EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)'
637  else
638    EMULATION_OFILES='$(ALL_EMULATIONS)'
639    EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
640  fi
641else
642  EMULATION_OFILES=$all_emuls
643  EMUL_EXTRA_OFILES=$all_emul_extras
644fi
645AC_SUBST(EMULATION_OFILES)
646AC_SUBST(EMUL_EXTRA_OFILES)
647AC_SUBST(LIB_PATH)
648
649EMULATION_LIBPATH=$all_libpath
650AC_SUBST(EMULATION_LIBPATH)
651
652if test x${enable_static} = xno; then
653  TESTBFDLIB="-Wl,--rpath,../bfd/.libs ../bfd/.libs/libbfd.so"
654  TESTCTFLIB="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
655  TESTSFRAMELIB="-Wl,--rpath,../libsframe/.libs ../libsframe/.libs/libsframe.so"
656else
657  TESTBFDLIB="../bfd/.libs/libbfd.a"
658  TESTCTFLIB="../libctf/.libs/libctf.a"
659  TESTSFRAMELIB="../libsframe/.libs/libsframe.a"
660fi
661if test "${enable_libctf}" = no; then
662    TESTCTFLIB=
663fi
664AC_SUBST(TESTBFDLIB)
665AC_SUBST(TESTCTFLIB)
666AC_SUBST(TESTSFRAMELIB)
667
668target_vendor=${target_vendor=$host_vendor}
669case "$target_vendor" in
670  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
671  *)  EXTRA_SHLIB_EXTENSION= ;;
672esac
673
674case "$target_os" in
675  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
676esac
677
678if test x${EXTRA_SHLIB_EXTENSION} != x ; then
679  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
680   [Additional extension a shared object might have.])
681fi
682
683AC_CONFIG_COMMANDS([default],
684[[
685case "$srcdir" in
686  .) srcdirpre= ;;
687  *) srcdirpre='$(srcdir)/' ;;
688esac
689POFILES=
690GMOFILES=
691for lang in dummy $OBSOLETE_ALL_LINGUAS; do
692  if test $lang != dummy; then
693    POFILES="$POFILES $srcdirpre$lang.po"
694    GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
695  fi
696done
697sed -e '/^SRC-POTFILES =/r po/SRC-POTFILES' \
698    -e '/^BLD-POTFILES =/r po/BLD-POTFILES' \
699    -e "s,@POFILES@,$POFILES," \
700    -e "s,@GMOFILES@,$GMOFILES," \
701    po/Makefile.in > po/Makefile]],[[]])
702
703dnl Required by html, pdf, install-pdf and install-html
704AC_SUBST(datarootdir)
705AC_SUBST(docdir)
706AC_SUBST(htmldir)
707AC_SUBST(pdfdir)
708
709AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
710AC_OUTPUT
711
712GNU_MAKE_JOBSERVER
713