Commit | Line | Data |
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252b5132 RH |
1 | dnl Process this file with autoconf to produce a configure script |
2 | dnl | |
b90efa5b | 3 | dnl Copyright (C) 2012-2015 Free Software Foundation, Inc. |
5bf135a7 NC |
4 | dnl |
5 | dnl This file is free software; you can redistribute it and/or modify | |
6 | dnl it under the terms of the GNU General Public License as published by | |
7 | dnl the Free Software Foundation; either version 3 of the License, or | |
8 | dnl (at your option) any later version. | |
9 | dnl | |
10 | dnl This program is distributed in the hope that it will be useful, | |
11 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | dnl GNU General Public License for more details. | |
14 | dnl | |
15 | dnl You should have received a copy of the GNU General Public License | |
16 | dnl along with this program; see the file COPYING3. If not see | |
17 | dnl <http://www.gnu.org/licenses/>. | |
18 | dnl | |
19 | ||
da594c4a | 20 | AC_PREREQ(2.59) |
2e98a7bd AM |
21 | m4_include([../bfd/version.m4]) |
22 | AC_INIT([ld], BFD_VERSION) | |
da594c4a | 23 | AC_CONFIG_SRCDIR(ldmain.c) |
252b5132 | 24 | |
da594c4a | 25 | AC_CANONICAL_TARGET |
02ecc8e9 | 26 | AC_CANONICAL_BUILD |
5d64ca4e | 27 | AC_ISC_POSIX |
252b5132 | 28 | |
2e98a7bd | 29 | AM_INIT_AUTOMAKE |
64ac50ac | 30 | AM_MAINTAINER_MODE |
252b5132 | 31 | |
b879806f AM |
32 | AC_PROG_CC |
33 | AC_PROG_CXX | |
34 | AC_GNU_SOURCE | |
35 | AC_USE_SYSTEM_EXTENSIONS | |
36 | AC_PROG_INSTALL | |
37 | ||
38 | LT_INIT | |
39 | ACX_LARGEFILE | |
40 | ||
8e523c23 | 41 | AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval) |
252b5132 RH |
42 | AC_ARG_ENABLE(targets, |
43 | [ --enable-targets alternative target configurations], | |
44 | [case "${enableval}" in | |
da594c4a | 45 | yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all') |
252b5132 RH |
46 | ;; |
47 | no) enable_targets= ;; | |
48 | *) enable_targets=$enableval ;; | |
49 | esac])dnl | |
50 | AC_ARG_ENABLE(64-bit-bfd, | |
51 | [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)], | |
52 | [case "${enableval}" in | |
53 | yes) want64=true ;; | |
54 | no) want64=false ;; | |
55 | *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;; | |
56 | esac],[want64=false])dnl | |
57 | ||
9c8ebd6a DJ |
58 | AC_ARG_WITH(sysroot, |
59 | [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.], | |
60 | [ | |
61 | case ${with_sysroot} in | |
715d1656 | 62 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; |
9c8ebd6a DJ |
63 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
64 | esac | |
65 | ||
66 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
67 | use_sysroot=yes | |
68 | ||
fa1e8d8e RS |
69 | if test "x$prefix" = xNONE; then |
70 | test_prefix=/usr/local | |
71 | else | |
72 | test_prefix=$prefix | |
73 | fi | |
9c8ebd6a | 74 | if test "x$exec_prefix" = xNONE; then |
fa1e8d8e | 75 | test_exec_prefix=$test_prefix |
9c8ebd6a | 76 | else |
fa1e8d8e | 77 | test_exec_prefix=$exec_prefix |
9c8ebd6a DJ |
78 | fi |
79 | case ${TARGET_SYSTEM_ROOT} in | |
715d1656 | 80 | "${test_prefix}"|"${test_prefix}/"*|\ |
fa1e8d8e RS |
81 | "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ |
82 | '${prefix}'|'${prefix}/'*|\ | |
715d1656 | 83 | '${exec_prefix}'|'${exec_prefix}/'*) |
9c8ebd6a DJ |
84 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
85 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
86 | ;; | |
87 | esac | |
88 | ], [ | |
89 | use_sysroot=no | |
90 | TARGET_SYSTEM_ROOT= | |
91 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
92 | ]) | |
93 | AC_SUBST(use_sysroot) | |
94 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
95 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
96 | ||
4fda8867 NC |
97 | dnl Use --enable-gold to decide if this linker should be the default. |
98 | dnl "install_as_default" is set to false if gold is the default linker. | |
99 | dnl "installed_linker" is the installed BFD linker name. | |
100 | AC_ARG_ENABLE(gold, | |
c7791212 | 101 | [[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]], |
bf9ef603 | 102 | [case "${enableval}" in |
c7791212 | 103 | default) |
4fda8867 NC |
104 | install_as_default=no |
105 | installed_linker=ld.bfd | |
106 | ;; | |
c7791212 | 107 | yes|no) |
4fda8867 NC |
108 | install_as_default=yes |
109 | installed_linker=ld.bfd | |
110 | ;; | |
111 | *) | |
112 | AC_MSG_ERROR([invalid --enable-gold argument]) | |
113 | ;; | |
114 | esac], | |
c7791212 NC |
115 | [install_as_default=yes |
116 | installed_linker=ld.bfd]) | |
4fda8867 NC |
117 | AC_SUBST(install_as_default) |
118 | AC_SUBST(installed_linker) | |
119 | ||
7fb9f789 NC |
120 | AC_ARG_ENABLE([got], |
121 | AS_HELP_STRING([--enable-got=<type>], | |
122 | [GOT handling scheme (target, single, negative, multigot)]), | |
123 | [case "${enableval}" in | |
124 | target | single | negative | multigot) got_handling=$enableval ;; | |
da594c4a | 125 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;; |
7fb9f789 NC |
126 | esac], |
127 | [got_handling=target]) | |
128 | ||
129 | case "${got_handling}" in | |
130 | target) | |
131 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT], | |
132 | [Define to choose default GOT handling scheme]) ;; | |
133 | single) | |
134 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE], | |
135 | [Define to choose default GOT handling scheme]) ;; | |
136 | negative) | |
137 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE], | |
138 | [Define to choose default GOT handling scheme]) ;; | |
139 | multigot) | |
140 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT], | |
141 | [Define to choose default GOT handling scheme]) ;; | |
da594c4a | 142 | *) AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;; |
7fb9f789 NC |
143 | esac |
144 | ||
502bdb00 | 145 | AM_BINUTILS_WARNINGS |
a2d91340 | 146 | |
44350750 NC |
147 | AM_LC_MESSAGES |
148 | ||
da594c4a | 149 | AC_CONFIG_HEADERS([config.h:config.in]) |
252b5132 | 150 | |
df7b86aa NC |
151 | # PR 14072 |
152 | AH_VERBATIM([00_CONFIG_H_CHECK], | |
153 | [/* Check that config.h is #included before system headers | |
154 | (this works only for glibc, but that should be enough). */ | |
d17dce55 | 155 | #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__) |
df7b86aa NC |
156 | # error config.h must be #included before system headers |
157 | #endif | |
158 | #define __CONFIG_H__ 1]) | |
159 | ||
252b5132 RH |
160 | if test -z "$target" ; then |
161 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
162 | fi | |
163 | if test -z "$host" ; then | |
164 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
165 | fi | |
166 | ||
167 | # host-specific stuff: | |
168 | ||
63a79b61 | 169 | ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg it uk" |
20e95c23 DJ |
170 | ZW_GNU_GETTEXT_SISTER_DIR |
171 | AM_PO_SUBDIRS | |
252b5132 RH |
172 | |
173 | AC_EXEEXT | |
174 | ||
175 | AC_PROG_YACC | |
176 | AM_PROG_LEX | |
177 | ||
178 | AM_MAINTAINER_MODE | |
d5fbea21 | 179 | AM_CONDITIONAL(GENINSRC_NEVER, false) |
eccbf555 | 180 | ACX_PROG_CMP_IGNORE_INITIAL |
252b5132 RH |
181 | |
182 | . ${srcdir}/configure.host | |
183 | ||
184 | AC_SUBST(HDEFINES) | |
185 | AC_SUBST(HOSTING_CRT0) | |
6738cadc | 186 | AC_SUBST(HOSTING_SCRT0) |
252b5132 | 187 | AC_SUBST(HOSTING_LIBS) |
b27caf75 | 188 | AC_SUBST(HOSTING_SLIBS) |
252b5132 RH |
189 | AC_SUBST(NATIVE_LIB_DIRS) |
190 | ||
58797674 | 191 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h) |
5d3236ee | 192 | AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h) |
208a4923 | 193 | ACX_HEADER_STRING |
44350750 | 194 | AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid) |
5d3236ee | 195 | AC_CHECK_FUNCS(open lseek close) |
252b5132 RH |
196 | AC_HEADER_DIRENT |
197 | ||
2aec968d L |
198 | dnl AC_CHECK_HEADERS(sys/mman.h) |
199 | AC_FUNC_MMAP | |
200 | ||
b879806f AM |
201 | AC_SEARCH_LIBS([dlopen], [dl]) |
202 | AM_CONDITIONAL([ENABLE_PLUGINS], [test x$plugins = xyes]) | |
5d3236ee | 203 | |
02ecc8e9 L |
204 | AC_ARG_ENABLE(initfini-array, |
205 | [ --enable-initfini-array use .init_array/.fini_array sections], | |
206 | [], [ | |
207 | AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, | |
208 | gcc_cv_initfini_array, [dnl | |
209 | if test "x${build}" = "x${target}" ; then | |
210 | AC_RUN_IFELSE([AC_LANG_SOURCE([ | |
211 | static int x = -1; | |
212 | int main (void) { return x; } | |
213 | int foo (void) { x = 0; } | |
214 | int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])], | |
215 | [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no], | |
216 | [gcc_cv_initfini_array=no]) | |
217 | else | |
218 | gcc_cv_initfini_array=no | |
219 | fi]) | |
220 | enable_initfini_array=$gcc_cv_initfini_array | |
221 | ]) | |
222 | AC_SUBST(enable_initfini_array) | |
223 | if test $enable_initfini_array = yes; then | |
224 | AC_DEFINE(HAVE_INITFINI_ARRAY, 1, | |
225 | [Define .init_array/.fini_array sections are available and working.]) | |
226 | fi | |
227 | ||
34875e64 NC |
228 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
229 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
da594c4a | 230 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], |
34875e64 NC |
231 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) |
232 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
233 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
234 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
235 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
236 | fi | |
bf9ef603 | 237 | |
252b5132 RH |
238 | BFD_BINARY_FOPEN |
239 | ||
502bdb00 | 240 | AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) |
252b5132 | 241 | |
597e2591 ILT |
242 | # When converting linker scripts into strings for use in emulation |
243 | # files, use astring.sed if the compiler supports ANSI string | |
244 | # concatenation, or ostring.sed otherwise. This is to support the | |
245 | # broken Microsoft MSVC compiler, which limits the length of string | |
246 | # constants, while still supporting pre-ANSI compilers which do not | |
247 | # support string concatenation. | |
e4dabd0e | 248 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 | 249 | AC_CACHE_VAL(ld_cv_string_concatenation, |
da594c4a AM |
250 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])], |
251 | ld_cv_string_concatenation=yes, | |
252 | ld_cv_string_concatenation=no)]) | |
e4dabd0e AS |
253 | AC_MSG_RESULT($ld_cv_string_concatenation) |
254 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
255 | STRINGIFY=astring.sed |
256 | else | |
257 | STRINGIFY=ostring.sed | |
258 | fi | |
259 | AC_SUBST(STRINGIFY) | |
260 | ||
252b5132 RH |
261 | # target-specific stuff: |
262 | ||
263 | all_targets= | |
264 | EMUL= | |
265 | all_emuls= | |
266 | all_emul_extras= | |
ba2be581 | 267 | all_libpath= |
252b5132 RH |
268 | |
269 | dnl We need to get an arbitrary number of tdir definitions into | |
270 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
271 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
272 | dnl file. | |
273 | rm -f tdirs | |
274 | ||
bf9ef603 | 275 | # If the host is 64-bit, then we enable 64-bit targets by default. |
1110793a | 276 | # This is consistent with what ../bfd/configure.ac does. |
bf9ef603 RM |
277 | if test x${want64} = xfalse; then |
278 | AC_CHECK_SIZEOF(void *) | |
279 | if test "x${ac_cv_sizeof_void_p}" = "x8"; then | |
280 | want64=true | |
281 | fi | |
282 | fi | |
283 | ||
c58212ea L |
284 | elf_list_options=FALSE |
285 | elf_shlib_list_options=FALSE | |
286 | elf_plt_unwind_list_options=FALSE | |
252b5132 RH |
287 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` |
288 | do | |
289 | if test "$targ_alias" = "all"; then | |
290 | all_targets=true | |
82d8e420 L |
291 | elf_list_options=TRUE |
292 | elf_shlib_list_options=TRUE | |
293 | elf_plt_unwind_list_options=TRUE | |
252b5132 RH |
294 | else |
295 | # Canonicalize the secondary target names. | |
42ecbf5e | 296 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
297 | if test -n "$result"; then |
298 | targ=$result | |
299 | else | |
300 | targ=$targ_alias | |
301 | fi | |
302 | ||
303 | . ${srcdir}/configure.tgt | |
304 | ||
305 | if test "$targ" = "$target"; then | |
306 | EMUL=$targ_emul | |
307 | fi | |
308 | ||
314e9a4e L |
309 | if test x${want64} = xfalse; then |
310 | . ${srcdir}/../bfd/config.bfd | |
311 | fi | |
312 | ||
534d3119 L |
313 | if test x${want64} = xtrue; then |
314 | targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls" | |
315 | targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath" | |
316 | fi | |
317 | ||
3336653a | 318 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 | 319 | case " $all_emuls " in |
c58212ea L |
320 | *" e${i}.o "*) |
321 | case "${i}" in | |
322 | *elf*) | |
323 | elf_list_options=TRUE | |
324 | . ${srcdir}/emulparams/${i}.sh | |
325 | if test x${GENERATE_SHLIB_SCRIPT} = xyes; then | |
326 | elf_shlib_list_options=TRUE | |
327 | fi | |
328 | if test x${PLT_UNWIND} = xyes; then | |
329 | elf_plt_unwind_list_options=TRUE | |
330 | fi | |
331 | ;; | |
332 | esac | |
333 | ;; | |
252b5132 RH |
334 | *) |
335 | all_emuls="$all_emuls e${i}.o" | |
336 | eval result=\$tdir_$i | |
337 | test -z "$result" && result=$targ_alias | |
338 | echo tdir_$i=$result >> tdirs | |
339 | ;; | |
340 | esac | |
341 | done | |
342 | ||
ba2be581 | 343 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
344 | case " $all_libpath " in |
345 | *" ${i} "*) ;; | |
346 | *) | |
ba2be581 RH |
347 | if test -z "$all_libpath"; then |
348 | all_libpath=${i} | |
349 | else | |
350 | all_libpath="$all_libpath ${i}" | |
351 | fi | |
3336653a RH |
352 | ;; |
353 | esac | |
354 | done | |
355 | ||
252b5132 RH |
356 | for i in $targ_extra_ofiles; do |
357 | case " $all_emul_extras " in | |
358 | *" ${i} "*) ;; | |
359 | *) | |
360 | all_emul_extras="$all_emul_extras ${i}" | |
361 | ;; | |
362 | esac | |
363 | done | |
5063daf7 | 364 | |
252b5132 RH |
365 | fi |
366 | done | |
367 | ||
c58212ea L |
368 | AC_SUBST(elf_list_options) |
369 | AC_SUBST(elf_shlib_list_options) | |
370 | AC_SUBST(elf_plt_unwind_list_options) | |
252b5132 RH |
371 | AC_SUBST(EMUL) |
372 | ||
373 | TDIRS=tdirs | |
374 | AC_SUBST_FILE(TDIRS) | |
375 | ||
252b5132 RH |
376 | if test x${all_targets} = xtrue; then |
377 | if test x${want64} = xtrue; then | |
378 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
9d069ac3 | 379 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)' |
252b5132 RH |
380 | else |
381 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
9d069ac3 | 382 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' |
252b5132 | 383 | fi |
252b5132 RH |
384 | else |
385 | EMULATION_OFILES=$all_emuls | |
386 | EMUL_EXTRA_OFILES=$all_emul_extras | |
387 | fi | |
388 | AC_SUBST(EMULATION_OFILES) | |
389 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 390 | AC_SUBST(LIB_PATH) |
252b5132 | 391 | |
3336653a RH |
392 | EMULATION_LIBPATH=$all_libpath |
393 | AC_SUBST(EMULATION_LIBPATH) | |
394 | ||
252b5132 RH |
395 | if test x${enable_static} = xno; then |
396 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
397 | else | |
398 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
399 | fi | |
400 | AC_SUBST(TESTBFDLIB) | |
401 | ||
93a6d436 JL |
402 | target_vendor=${target_vendor=$host_vendor} |
403 | case "$target_vendor" in | |
404 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
405 | *) EXTRA_SHLIB_EXTENSION= ;; | |
406 | esac | |
f234d5fe NC |
407 | |
408 | case "$target_os" in | |
409 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
410 | esac | |
411 | ||
93a6d436 JL |
412 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
413 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
414 | [Additional extension a shared object might have.]) | |
415 | fi | |
416 | ||
31dd3154 | 417 | dnl Required by html, pdf, install-pdf and install-html |
108a6f8e CD |
418 | AC_SUBST(datarootdir) |
419 | AC_SUBST(docdir) | |
420 | AC_SUBST(htmldir) | |
31dd3154 | 421 | AC_SUBST(pdfdir) |
108a6f8e | 422 | |
da594c4a AM |
423 | AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in) |
424 | AC_OUTPUT |