[patch] Use --enable-libstdcxx-time=yes on DragonFly BSD

[John Marino]

On 3/10/2015 20:23, Jonathan Wakely wrote:
> It has just occurred to me we might want to make this change for GCC5:
> 
> 
> diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
> index 1727140..0b8c0f0 100644
> --- a/libstdc++-v3/acinclude.m4
> +++ b/libstdc++-v3/acinclude.m4
> @@ -1219,11 +1219,11 @@ AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_TIME], [
>           ac_has_clock_realtime=yes
>         fi
>         ac_has_nanosleep=yes
>         ac_has_sched_yield=yes
>         ;;
> -      freebsd*|netbsd*)
> +      freebsd*|netbsd*|dragonfly*)
>         ac_has_clock_monotonic=yes
>         ac_has_clock_realtime=yes
>         ac_has_nanosleep=yes
>         ac_has_sched_yield=yes
>         ;;
> 
> 
> We could make this change post-GCC5 but as the dragonfly target is new
> for GCC5 it would be a shame to release it with a sub-optimal
> resolution for clocks and thread sleeping.
> 
> John, assuming I'm right that dragonfly supports all these features,
> could you test this change?  (You'll need the same change on line
> 19555 of the libstdc++-v3/configure script.)
> 

Sure, I can test it.  How can I tell if the result is successful?
Successful build versus failed build?

Thanks,
John