diff options
Diffstat (limited to 'ld/configure.ac')
| -rw-r--r-- | ld/configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ld/configure.ac b/ld/configure.ac index 6542506..d17281f 100644 --- a/ld/configure.ac +++ b/ld/configure.ac @@ -155,6 +155,17 @@ AC_ARG_ENABLE(compressed_debug_sections, ,no, | ,none,) ac_default_compressed_debug_sections=no ;; 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 "${enableval}" in + yes) ac_default_ld_z_relro=1 ;; + no) ac_default_ld_z_relro=0 ;; +esac])dnl + AM_BINUTILS_WARNINGS AM_LC_MESSAGES @@ -376,6 +387,13 @@ if test x$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_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) |