File: configure.ac

package info (click to toggle)
binutils 2.25.1-7
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 240,664 kB
  • sloc: ansic: 1,329,744; asm: 553,510; cpp: 110,550; exp: 58,489; makefile: 52,218; sh: 19,523; yacc: 14,700; lisp: 13,606; perl: 1,791; lex: 1,626; pascal: 307; sed: 195; python: 154; awk: 26
file content (403 lines) | stat: -rw-r--r-- 11,332 bytes parent folder | download | duplicates (5)
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
dnl Process this file with autoconf to produce a configure script
dnl
dnl   Copyright (C) 2012-2014 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

AC_PREREQ(2.59)
m4_include([../bfd/version.m4])
AC_INIT([ld], BFD_VERSION)
AC_CONFIG_SRCDIR(ldmain.c)

AC_CANONICAL_TARGET
AC_CANONICAL_BUILD
AC_ISC_POSIX

AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CXX
AC_GNU_SOURCE
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL

LT_INIT
ACX_LARGEFILE

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=$enableval ;;
esac])dnl
AC_ARG_ENABLE(64-bit-bfd,
[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
  yes)  want64=true  ;;
  no)   want64=false ;;
  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl

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

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="fr sv tr es da vi zh_CN zh_TW ga fi id bg it uk"
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(HOSTING_CRT0)
AC_SUBST(HOSTING_SCRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)

AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
ACX_HEADER_STRING
AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT

AC_SEARCH_LIBS([dlopen], [dl])
AM_CONDITIONAL([ENABLE_PLUGINS], [test x$plugins = xyes])

AC_ARG_ENABLE(initfini-array,
	[  --enable-initfini-array	use .init_array/.fini_array sections],
	[], [
AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
		 gcc_cv_initfini_array, [dnl
  if test "x${build}" = "x${target}" ; then
    AC_RUN_IFELSE([AC_LANG_SOURCE([
static int x = -1;
int main (void) { return x; }
int foo (void) { x = 0; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
	     [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
	     [gcc_cv_initfini_array=no])
   else
     gcc_cv_initfini_array=no
   fi])
  enable_initfini_array=$gcc_cv_initfini_array
])
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

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

BFD_BINARY_FOPEN

AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])

# Link in zlib if we can.  This is needed only for the bootstrap tests
# right now, since those tests use libbfd, which depends on zlib.
AM_ZLIB

# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
# concatenation, or ostring.sed otherwise.  This is to support the
# broken Microsoft MSVC compiler, which limits the length of string
# constants, while still supporting pre-ANSI compilers which do not
# support string concatenation.
AC_MSG_CHECKING([whether ANSI C string concatenation works])
AC_CACHE_VAL(ld_cv_string_concatenation,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
  ld_cv_string_concatenation=yes,
  ld_cv_string_concatenation=no)])
AC_MSG_RESULT($ld_cv_string_concatenation)
if test "$ld_cv_string_concatenation" = "yes"; then
  STRINGIFY=astring.sed
else
  STRINGIFY=ostring.sed
fi
AC_SUBST(STRINGIFY)

# target-specific stuff:

all_targets=
EMUL=
all_emuls=
all_emul_extras=
all_libpath=

dnl We need to get an arbitrary number of tdir definitions into
dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
dnl not permit literal newlines in an AC_SUBST variables.  So we use a
dnl file.
rm -f tdirs

# If the host is 64-bit, then we enable 64-bit targets by default.
# This is consistent with what ../bfd/configure.ac does.
if test x${want64} = xfalse; then
  AC_CHECK_SIZEOF(void *)
  if test "x${ac_cv_sizeof_void_p}" = "x8"; then
    want64=true
  fi
fi

for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
  if test "$targ_alias" = "all"; then
    all_targets=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${want64} = xfalse; then
      . ${srcdir}/../bfd/config.bfd
    fi

    if test x${want64} = xtrue; then
      targ_extra_emuls="$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=$targ_alias
	  echo tdir_$i=$result >> tdirs
	  ;;
	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

AC_SUBST(EMUL)

TDIRS=tdirs
AC_SUBST_FILE(TDIRS)

if test x${all_targets} = xtrue; then
  if test x${want64} = xtrue; 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="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
else
  TESTBFDLIB="../bfd/.libs/libbfd.a"
fi
AC_SUBST(TESTBFDLIB)

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

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