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
|
dnl Process this file with autoconf to produce a configure script
dnl
dnl Copyright (C) 2012-2017 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_PROG_GREP
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 ${got_handling} for --enable-got option) ;;
esac
# PR gas/19109
# Decide the default method for compressing debug sections.
ac_default_compressed_debug_sections=unset
# Provide a configure time option to override our default.
AC_ARG_ENABLE(compressed_debug_sections,
AS_HELP_STRING([--enable-compressed-debug-sections={all,ld,none}],
[compress debug sections by default])],
[case ,"${enableval}", in
,yes, | ,all, | *,ld,*) ac_default_compressed_debug_sections=yes ;;
,no, | ,none,) ac_default_compressed_debug_sections=no ;;
esac])dnl
# 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 "${enableval}" in
yes) ac_default_ld_z_relro=1 ;;
no) ac_default_ld_z_relro=0 ;;
esac])dnl
AM_BINUTILS_WARNINGS
AM_LC_MESSAGES
AC_CONFIG_HEADERS([config.h:config.in])
# PR 14072
AH_VERBATIM([00_CONFIG_H_CHECK],
[/* Check that config.h is #included before system headers
(this works only for glibc, but that should be enough). */
#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
# error config.h must be #included before system headers
#endif
#define __CONFIG_H__ 1])
if test -z "$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
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_SCRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
ACX_HEADER_STRING
AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT
dnl AC_CHECK_HEADERS(sys/mman.h)
AC_FUNC_MMAP
AC_SEARCH_LIBS([dlopen], [dl])
AM_CONDITIONAL([ENABLE_PLUGINS], [test x$plugins = xyes])
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 $enable_initfini_array = yes; then
AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
[Define .init_array/.fini_array sections are available and working.])
fi
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
if test $ld_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
BFD_BINARY_FOPEN
AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
# concatenation, or ostring.sed otherwise. This is to support the
# broken Microsoft MSVC compiler, which limits the length of string
# constants, while still supporting pre-ANSI compilers which do not
# support string concatenation.
AC_MSG_CHECKING([whether ANSI C string concatenation works])
AC_CACHE_VAL(ld_cv_string_concatenation,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
ld_cv_string_concatenation=yes,
ld_cv_string_concatenation=no)])
AC_MSG_RESULT($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
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${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=$result >> tdirs
case "${i}" in
*elf*)
elf_list_options=TRUE
;;
*)
if $GREP "TEMPLATE_NAME=elf32" ${srcdir}/emulparams/${i}.sh >/dev/null 2>/dev/null; then
elf_list_options=TRUE
fi
;;
esac
if test "$elf_list_options" = "TRUE"; then
. ${srcdir}/emulparams/${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
if test "${ac_default_ld_z_relro}" = unset; then
ac_default_ld_z_relro=0
fi
AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_RELRO,
$ac_default_ld_z_relro,
[Define to 1 if you want to enable -z relro in ELF linker by default.])
AC_SUBST(elf_list_options)
AC_SUBST(elf_shlib_list_options)
AC_SUBST(elf_plt_unwind_list_options)
AC_SUBST(EMUL)
TDIRS=tdirs
AC_SUBST_FILE(TDIRS)
if test x${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
|