Add configure flag to enable gnu hash style by default.

[deliverable/binutils-gdb.git] / ld / configure.ac

diff --git a/ld/configure.ac b/ld/configure.ac
index 454284502f629690259c492be4b95944d025765a..99d127bd11b367721478158a5f22f470f20fdbcd 100644 (file)
--- a/ld/configure.ac
+++ b/ld/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script
 dnl
-dnl   Copyright (C) 2012-2016 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
@@ -155,6 +155,17 @@ AC_ARG_ENABLE(compressed_debug_sections,
   ,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.
@@ -166,6 +177,32 @@ AC_ARG_ENABLE(relro,
   no)  ac_default_ld_z_relro=0 ;;
 esac])dnl
 
+# 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
+
 AM_BINUTILS_WARNINGS
 
 AM_LC_MESSAGES
@@ -190,7 +227,7 @@ fi
 
 # 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
 
@@ -206,17 +243,13 @@ 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(getauxval open lseek close)
+AC_CHECK_FUNCS(open lseek close)
 AC_HEADER_DIRENT
 
 dnl AC_CHECK_HEADERS(sys/mman.h)
@@ -387,6 +420,13 @@ 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
@@ -394,6 +434,14 @@ 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_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)