[Mesa-dev] [PATCH] configure.ac: Add support to enable read-only text segment on x86.

[Ilia Mirkin]

Why isn't this the default? IOW should this be incompatible with some
other option and/or set based on some other option?

On Sat, Aug 29, 2015 at 5:54 PM, Matt Turner <mattst88 at gmail.com> wrote:
> From: Jeremy Huddleston <jeremyhu at freedesktop.org>
>
> Cc: "10.6 11.0" <mesa-stable at lists.freedesktop.org>
> Bugzilla: https://bugs.gentoo.org/240956
> ---
> This is the last patch Gentoo carries :)
>
>  configure.ac | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/configure.ac b/configure.ac
> index 90ba4fe..583d45b 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -500,6 +500,16 @@ AC_LINK_IFELSE(
>  LDFLAGS=$save_LDFLAGS
>  AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
>
> +dnl Read-only text segment on x86 hardened platforms
> +AC_ARG_ENABLE([glx-rts],
> +    [AS_HELP_STRING([--enable-glx-rts],
> +        [Use a read-only text segment on x86 for libGL @<:@default=disabled@:>@])],
> +    [enable_glx_rts="$enableval"],
> +    [enable_glx_rts=no])
> +if test "x$enable_glx_rts" = xyes; then
> +    DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
> +fi
> +
>  dnl
>  dnl Check if linker supports dynamic list files
>  dnl
> --
> 2.4.6
>
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