424 lines
12 KiB
Plaintext
424 lines
12 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script
|
|
dnl
|
|
dnl Copyright (C) 2012-2015 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
|
|
|
|
. ${srcdir}/configure.host
|
|
|
|
AC_SUBST(HDEFINES)
|
|
AC_SUBST(HOSTING_CRT0)
|
|
AC_SUBST(HOSTING_SCRT0)
|
|
AC_SUBST(HOSTING_LIBS)
|
|
AC_SUBST(HOSTING_SLIBS)
|
|
AC_SUBST(NATIVE_LIB_DIRS)
|
|
|
|
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
|
|
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
|
|
ACX_HEADER_STRING
|
|
AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
|
|
AC_CHECK_FUNCS(open lseek close)
|
|
AC_HEADER_DIRENT
|
|
|
|
dnl AC_CHECK_HEADERS(sys/mman.h)
|
|
AC_FUNC_MMAP
|
|
|
|
AC_SEARCH_LIBS([dlopen], [dl])
|
|
AM_CONDITIONAL([ENABLE_PLUGINS], [test x$plugins = xyes])
|
|
|
|
AC_ARG_ENABLE(initfini-array,
|
|
[ --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 $ld_cv_decl_getopt_unistd_h = yes; then
|
|
AC_DEFINE([HAVE_DECL_GETOPT], 1,
|
|
[Is the prototype for getopt in <unistd.h> in the expected format?])
|
|
fi
|
|
|
|
BFD_BINARY_FOPEN
|
|
|
|
AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
|
|
|
|
# When converting linker scripts into strings for use in emulation
|
|
# files, use astring.sed if the compiler supports ANSI string
|
|
# concatenation, or ostring.sed otherwise. This is to support the
|
|
# broken Microsoft MSVC compiler, which limits the length of string
|
|
# constants, while still supporting pre-ANSI compilers which do not
|
|
# support string concatenation.
|
|
AC_MSG_CHECKING([whether ANSI C string concatenation works])
|
|
AC_CACHE_VAL(ld_cv_string_concatenation,
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
|
|
ld_cv_string_concatenation=yes,
|
|
ld_cv_string_concatenation=no)])
|
|
AC_MSG_RESULT($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
|
|
. ${srcdir}/emulparams/${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
|
|
;;
|
|
esac
|
|
;;
|
|
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 ${i}"
|
|
;;
|
|
esac
|
|
done
|
|
|
|
fi
|
|
done
|
|
|
|
AC_SUBST(elf_list_options)
|
|
AC_SUBST(elf_shlib_list_options)
|
|
AC_SUBST(elf_plt_unwind_list_options)
|
|
AC_SUBST(EMUL)
|
|
|
|
TDIRS=tdirs
|
|
AC_SUBST_FILE(TDIRS)
|
|
|
|
if test x${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
|