Introduce --enable-new-dtags configure option.

This option switches on ld.bfd --enable-new-dtags by default.

	* configure.ac: Add --enable-new-dtags option.
	* ldmain.c: Set link_info.new_dtags to 1 if when --enable-new-dtags is
	switched on.
	* configure: Regenerate.
	* config.in: Regenerate.
This commit is contained in:
Slava Barinov 2017-06-05 09:27:38 +09:30 committed by Alan Modra
parent 3ea0007c8c
commit 6734f10ae9
5 changed files with 60 additions and 5 deletions

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@ -1,3 +1,11 @@
2017-06-05 Slava Barinov <v.barinov@samsung.com>
* configure.ac: Add --enable-new-dtags option.
* ldmain.c: Set link_info.new_dtags to 1 if when --enable-new-dtags is
switched on.
* configure: Regenerate.
* config.in: Regenerate.
2017-06-02 H.J. Lu <hongjiu.lu@intel.com>
* emulparams/call_nop.sh: Remove -z prefix-nop.

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@ -13,6 +13,10 @@
/* Define to 1 if you want to enable -z relro in ELF linker by default. */
#undef DEFAULT_LD_Z_RELRO
/* Define to 1 if you want to set DT_RUNPATH instead of DT_RPATH by default.
*/
#undef DEFAULT_NEW_DTAGS
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS

26
ld/configure vendored
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@ -788,6 +788,7 @@ with_sysroot
enable_gold
enable_got
enable_compressed_debug_sections
enable_new_dtags
enable_relro
enable_werror
enable_build_warnings
@ -1447,6 +1448,7 @@ Optional Features:
multigot)
--enable-compressed-debug-sections={all,ld,none}
compress debug sections by default]
--enable-new-dtags set DT_RUNPATH instead of DT_RPATH by default]
--enable-relro enable -z relro in ELF linker by default
--enable-werror treat compile warnings as errors
--enable-build-warnings enable build-time compiler warnings
@ -11720,7 +11722,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11723 "configure"
#line 11725 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11826,7 +11828,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11829 "configure"
#line 11831 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -15540,6 +15542,17 @@ if test "${enable_compressed_debug_sections+set}" = set; then :
esac
fi
# Decide setting DT_RUNPATH instead of DT_RPATH by default
ac_default_new_dtags=unset
# Provide a configure time option to override our default.
# Check whether --enable-new_dtags was given.
if test "${enable_new_dtags+set}" = set; then :
enableval=$enable_new_dtags; case "${enableval}" in
yes) ac_default_new_dtags=1 ;;
no) ac_default_new_dtags=0 ;;
esac
fi
# 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.
@ -17196,6 +17209,15 @@ $as_echo "#define DEFAULT_FLAG_COMPRESS_DEBUG 1" >>confdefs.h
fi
if test "${ac_default_new_dtags}" = unset; then
ac_default_new_dtags=0
fi
cat >>confdefs.h <<_ACEOF
#define DEFAULT_NEW_DTAGS $ac_default_new_dtags
_ACEOF
if test "${ac_default_ld_z_relro}" = unset; then
ac_default_ld_z_relro=0
fi

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@ -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 "${enableval}" in
yes) ac_default_new_dtags=1 ;;
no) ac_default_new_dtags=0 ;;
esac])dnl
# Decide if -z relro should be enabled in ELF linker by default.
ac_default_ld_z_relro=unset
# Provide a configure time option to override our default.
@ -383,6 +394,13 @@ if test x$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

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@ -298,6 +298,9 @@ main (int argc, char **argv)
#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
#endif
#ifdef DEFAULT_NEW_DTAGS
link_info.new_dtags = TRUE;
#endif
ldfile_add_arch ("");
emulation = get_emulation (argc, argv);