X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.ac;h=767eda83413f9ff73cb1e4677f6e7c98f72b08a0;hb=d546b61084cec687e0063b2e0e169b4690341c23;hp=d1bf1e48dd4a7ddfc6ff0efda33c388e2ebe2987;hpb=35eafcc71b8a54330704656fb6df0b5d6665ed15;p=deliverable%2Fbinutils-gdb.git
diff --git a/ld/configure.ac b/ld/configure.ac
index d1bf1e48dd..767eda8341 100644
--- a/ld/configure.ac
+++ b/ld/configure.ac
@@ -1,23 +1,22 @@
dnl Process this file with autoconf to produce a configure script
dnl
-dnl Copyright (C) 2012-2014 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2021 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 .
dnl
-AC_PREREQ(2.59)
m4_include([../bfd/version.m4])
AC_INIT([ld], BFD_VERSION)
AC_CONFIG_SRCDIR(ldmain.c)
@@ -29,12 +28,22 @@ 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=$enableval ;;
esac])dnl
@@ -110,7 +119,7 @@ AC_SUBST(installed_linker)
AC_ARG_ENABLE([got],
AS_HELP_STRING([--enable-got=],
- [GOT handling scheme (target, single, negative, multigot)]),
+ [GOT handling scheme (target, single, negative, multigot)]),
[case "${enableval}" in
target | single | negative | multigot) got_handling=$enableval ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;
@@ -120,19 +129,115 @@ esac],
case "${got_handling}" in
target)
AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
- [Define to choose default GOT handling scheme]) ;;
+ [Define to choose default GOT handling scheme]) ;;
single)
AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
- [Define to choose default GOT handling scheme]) ;;
+ [Define to choose default GOT handling scheme]) ;;
negative)
AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
- [Define to choose default GOT handling scheme]) ;;
+ [Define to choose default GOT handling scheme]) ;;
multigot)
AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
- [Define to choose default GOT handling scheme]) ;;
+ [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 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
+
+# Decide if DT_TEXTREL check should be enabled in ELF linker.
+ac_default_ld_textrel_check=unset
+AC_ARG_ENABLE([textrel-check],
+ AC_HELP_STRING([--enable-textrel-check=@<:@yes|no|warning|error@:>@],
+ [enable DT_TEXTREL check in ELF linker]),
+[case "${enableval}" in
+ yes|no|warning|error) ac_default_ld_textrel_check=${enableval} ;;
+esac])
+
+# Decide if -z separate-code should be enabled in ELF linker by default.
+ac_default_ld_z_separate_code=unset
+AC_ARG_ENABLE(separate-code,
+ AS_HELP_STRING([--enable-separate-code],
+ [enable -z separate-code in ELF linker by default]),
+[case "${enableval}" in
+ yes) ac_default_ld_z_separate_code=1 ;;
+ no) ac_default_ld_z_separate_code=0 ;;
+esac])
+
+# Decide if --error-handling-script should be supported.
+ac_support_error_handling_script=unset
+AC_ARG_ENABLE(error-handling-script,
+ AS_HELP_STRING([--enable-error-handling-script],
+ [enable/disable support for the --error-handling-script option]),
+[case "${enableval}" in
+ yes) ac_support_error_handling_script=1 ;;
+ no) ac_support_error_handling_script=0 ;;
+esac])
+
+# Decide which "--hash-style" to use by default
+# Provide a configure time option to override our default.
+AC_ARG_ENABLE([default-hash-style],
+AS_HELP_STRING([--enable-default-hash-style={sysv,gnu,both}],
+ [use this default hash style]),
+[case "${enable_default_hash_style}" in
+ sysv | gnu | both) ;;
+ *) AC_MSG_ERROR([bad value ${enable_default_hash_style} for enable-default-hash-style option]) ;;
+esac],
+[case "${target}" in
+ # Enable gnu hash only on GNU targets, but not mips
+ mips*-*-*) enable_default_hash_style=sysv ;;
+ *-*-gnu* | *-*-linux* | *-*-nacl*) enable_default_hash_style=both ;;
+ *) enable_default_hash_style=sysv ;;
+esac])
+
+case "${enable_default_hash_style}" in
+ sysv | both) ac_default_emit_sysv_hash=1 ;;
+ *) ac_default_emit_sysv_hash=0 ;;
+esac
+
+case "${enable_default_hash_style}" in
+ gnu | both) ac_default_emit_gnu_hash=1 ;;
+ *) ac_default_emit_gnu_hash=0 ;;
+esac
+
+GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections])
+if test "${enable_libctf}" = yes; then
+ AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections])
+fi
+AM_CONDITIONAL(ENABLE_LIBCTF, test "${enable_libctf}" = yes)
+AC_SUBST(enable_libctf)
+
AM_BINUTILS_WARNINGS
AM_LC_MESSAGES
@@ -157,16 +262,7 @@ fi
# host-specific stuff:
-AC_PROG_CC
-AC_PROG_CXX
-AC_GNU_SOURCE
-AC_USE_SYSTEM_EXTENSIONS
-ACX_LARGEFILE
-AC_PROG_INSTALL
-
-LT_INIT
-
-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 ja pt_BR ru sr sv tr uk vi zh_CN zh_TW"
ZW_GNU_GETTEXT_SISTER_DIR
AM_PO_SUBDIRS
@@ -182,10 +278,6 @@ ACX_PROG_CMP_IGNORE_INITIAL
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
-AC_SUBST(HOSTING_CRT0)
-AC_SUBST(HOSTING_SCRT0)
-AC_SUBST(HOSTING_LIBS)
-AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
@@ -195,35 +287,17 @@ AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT
-# Check for dlopen support and enable plugins if possible.
-enable_plugins=yes
-AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT])
-AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])
-AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])
-# We also support plugins on Windows (MinGW).
-if test x$enable_plugins = xno ; then
- AC_CHECK_HEADERS([windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])
-fi
-AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes])
+dnl AC_CHECK_HEADERS(sys/mman.h)
+AC_FUNC_MMAP
+
+AC_SEARCH_LIBS([dlopen], [dl])
AC_ARG_ENABLE(initfini-array,
- [ --enable-initfini-array use .init_array/.fini_array sections],
- [], [
-AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
- gcc_cv_initfini_array, [dnl
- if test "x${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 $enable_initfini_array = yes; then
AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
@@ -242,10 +316,10 @@ fi
BFD_BINARY_FOPEN
-AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
+AC_CHECK_DECLS([asprintf, environ, free, getenv, sbrk, strstr])
-# Link in zlib if we can. This is needed only for the bootstrap tests
-# right now, since those tests use libbfd, which depends on zlib.
+# Link in zlib if we can. This allows us to read and write
+# compressed CTF sections.
AM_ZLIB
# When converting linker scripts into strings for use in emulation
@@ -274,15 +348,10 @@ EMUL=
all_emuls=
all_emul_extras=
all_libpath=
-
-dnl We need to get an arbitrary number of tdir definitions into
-dnl Makefile. We can't do it using AC_SUBST, because autoconf does
-dnl not permit literal newlines in an AC_SUBST variables. So we use a
-dnl file.
-rm -f tdirs
+TDIRS=
# If the host is 64-bit, then we enable 64-bit targets by default.
-# This is consistent with what ../bfd/configure.in does.
+# This is consistent with what ../bfd/configure.ac does.
if test x${want64} = xfalse; then
AC_CHECK_SIZEOF(void *)
if test "x${ac_cv_sizeof_void_p}" = "x8"; then
@@ -290,10 +359,16 @@ if test x${want64} = xfalse; then
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 $targ_alias 2>/dev/null`
@@ -325,7 +400,31 @@ do
all_emuls="$all_emuls e${i}.o"
eval result=\$tdir_$i
test -z "$result" && result=$targ_alias
- echo tdir_$i=$result >> tdirs
+ TDIRS="$TDIRS
+tdir_$i=$result"
+ case "${i}" in
+ *elf*)
+ elf_list_options=TRUE
+ ;;
+ *)
+ if $GREP "TEMPLATE_NAME=elf" ${srcdir}/emulparams/${i}.sh >/dev/null 2>/dev/null; then
+ elf_list_options=TRUE
+ fi
+ ;;
+ esac
+ if test "$elf_list_options" = "TRUE"; then
+ source_sh()
+ {
+ . $1
+ }
+ source_sh ${srcdir}/emulparams/${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
@@ -355,10 +454,73 @@ do
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,
+ $ac_default_ld_z_relro,
+ [Define to 1 if you want to enable -z relro in ELF linker by default.])
+
+ac_default_ld_textrel_check_warning=0
+case "${ac_default_ld_textrel_check}" in
+ unset|no)
+ ac_default_ld_textrel_check=textrel_check_none
+ ;;
+ yes|warning)
+ ac_default_ld_textrel_check=textrel_check_warning
+ ac_default_ld_textrel_check_warning=1
+ ;;
+ error)
+ ac_default_ld_textrel_check=textrel_check_error
+ ;;
+esac
+AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK,
+ $ac_default_ld_textrel_check,
+ [The default method for DT_TEXTREL check in ELF linker.])
+AC_DEFINE_UNQUOTED(DEFAULT_LD_TEXTREL_CHECK_WARNING,
+ $ac_default_ld_textrel_check_warning,
+ [Define to 1 if DT_TEXTREL check is warning in ELF linker by default.])
+
+if test "${ac_default_ld_z_separate_code}" = unset; then
+ ac_default_ld_z_separate_code=0
+fi
+AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_SEPARATE_CODE,
+ $ac_default_ld_z_separate_code,
+ [Define to 1 if you want to enable -z separate-code in ELF linker by default.])
+
+if test "${ac_support_error_handling_script}" = unset; then
+ ac_support_error_handling_script=1
+fi
+AC_DEFINE_UNQUOTED(SUPPORT_ERROR_HANDLING_SCRIPT,
+ $ac_support_error_handling_script,
+ [Define to 1 if you want to support the --error-handling-script command line option.])
+
+AC_DEFINE_UNQUOTED([DEFAULT_EMIT_SYSV_HASH],
+ [$ac_default_emit_sysv_hash],
+ [Define to 1 if you want to emit sysv hash in the ELF linker by default.])
+
+AC_DEFINE_UNQUOTED([DEFAULT_EMIT_GNU_HASH],
+ [$ac_default_emit_gnu_hash],
+ [Define to 1 if you want to emit gnu hash in the ELF linker by default.])
+
+AC_SUBST(elf_list_options)
+AC_SUBST(elf_shlib_list_options)
+AC_SUBST(elf_plt_unwind_list_options)
AC_SUBST(EMUL)
-TDIRS=tdirs
-AC_SUBST_FILE(TDIRS)
+AC_SUBST(TDIRS)
+AM_SUBST_NOTMAKE(TDIRS)
if test x${all_targets} = xtrue; then
if test x${want64} = xtrue; then
@@ -380,11 +542,17 @@ EMULATION_LIBPATH=$all_libpath
AC_SUBST(EMULATION_LIBPATH)
if test x${enable_static} = xno; then
- TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
+ TESTBFDLIB="-Wl,--rpath,../bfd/.libs ../bfd/.libs/libbfd.so"
+ TESTCTFLIB="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so"
else
TESTBFDLIB="../bfd/.libs/libbfd.a"
+ TESTCTFLIB="../libctf/.libs/libctf.a"
+fi
+if test "${enable_libctf}" = no; then
+ TESTCTFLIB=
fi
AC_SUBST(TESTBFDLIB)
+AC_SUBST(TESTCTFLIB)
target_vendor=${target_vendor=$host_vendor}
case "$target_vendor" in
@@ -401,6 +569,26 @@ if test x${EXTRA_SHLIB_EXTENSION} != x ; then
[Additional extension a shared object might have.])
fi
+AC_CONFIG_COMMANDS([default],
+[[
+case "$srcdir" in
+ .) srcdirpre= ;;
+ *) srcdirpre='$(srcdir)/' ;;
+esac
+POFILES=
+GMOFILES=
+for lang in dummy $OBSOLETE_ALL_LINGUAS; do
+ if test $lang != dummy; then
+ POFILES="$POFILES $srcdirpre$lang.po"
+ GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
+ fi
+done
+sed -e '/^SRC-POTFILES =/r po/SRC-POTFILES' \
+ -e '/^BLD-POTFILES =/r po/BLD-POTFILES' \
+ -e "s,@POFILES@,$POFILES," \
+ -e "s,@GMOFILES@,$GMOFILES," \
+ po/Makefile.in > po/Makefile]],[[]])
+
dnl Required by html, pdf, install-pdf and install-html
AC_SUBST(datarootdir)
AC_SUBST(docdir)
@@ -409,3 +597,5 @@ AC_SUBST(pdfdir)
AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
AC_OUTPUT
+
+GNU_MAKE_JOBSERVER