dnl Process this file with autoconf to produce a configure script
dnl
-dnl Copyright (C) 2012-2014 Free Software Foundation, Inc.
+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
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
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/>.
AC_PROG_CC
AC_PROG_CXX
+AC_PROG_GREP
AC_GNU_SOURCE
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
*) 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 setting DT_RUNPATH instead of DT_RPATH by default
+ac_default_new_dtags=unset
+# Provide a configure time option to override our default.
+AC_ARG_ENABLE(new_dtags,
+ AS_HELP_STRING([--enable-new-dtags],
+ [set DT_RUNPATH instead of DT_RPATH by default])],
+[case "${enableval}" in
+ yes) ac_default_new_dtags=1 ;;
+ no) ac_default_new_dtags=0 ;;
+esac])dnl
+
+# Decide if -z relro should be enabled in ELF linker by default.
+ac_default_ld_z_relro=unset
+# Provide a configure time option to override our default.
+AC_ARG_ENABLE(relro,
+ AS_HELP_STRING([--enable-relro],
+ [enable -z relro in ELF linker by default]),
+[case "${enableval}" in
+ yes) ac_default_ld_z_relro=1 ;;
+ no) ac_default_ld_z_relro=0 ;;
+esac])dnl
+
AM_BINUTILS_WARNINGS
AM_LC_MESSAGES
# host-specific stuff:
-ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg it uk"
+ALL_LINGUAS="bg da de es fi fr ga id it ru sr sv tr uk vi zh_CN zh_TW"
ZW_GNU_GETTEXT_SISTER_DIR
AM_PO_SUBDIRS
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
-AC_SUBST(HOSTING_CRT0)
-AC_SUBST(HOSTING_SCRT0)
-AC_SUBST(HOSTING_LIBS)
-AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT
+dnl AC_CHECK_HEADERS(sys/mman.h)
+AC_FUNC_MMAP
+
AC_SEARCH_LIBS([dlopen], [dl])
AM_CONDITIONAL([ENABLE_PLUGINS], [test x$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=$gcc_cv_initfini_array
-])
+[ --disable-initfini-array do not use .init_array/.fini_array sections],
+[case "${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,
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
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 $targ_alias 2>/dev/null`
eval result=\$tdir_$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
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_new_dtags}" = unset; then
+ ac_default_new_dtags=0
+fi
+AC_DEFINE_UNQUOTED(DEFAULT_NEW_DTAGS,
+ $ac_default_new_dtags,
+ [Define to 1 if you want to set DT_RUNPATH instead of DT_RPATH by default.])
+
+if test "${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