Bug#881939: gcc: disable D when cross build native GCC

[Iain Buclaw <ibuclaw@gdcproject.org>]

On 16 November 2017 at 20:34, YunQiang Su <wzssyqa@gmail.com> wrote:
> Package: src:gcc-7
> Version: 7.2.0-16
>
> When we build native GCC with the cross gcc, D will always fails.
> So please disable D in this condition.
>
> @@ -891,6 +926,12 @@ ifeq ($(with_base_only),yes
>    with_d := no
>  endif
>
> +ifneq ($(DEB_BUILD_ARCH), $(DEB_HOST_ARCH))
> +ifeq ($(DEB_HOST_ARCH), $(DEB_TARGET_ARCH))
> +  with_d := no
> +endif
> +endif
> +
>  ifeq ($(with_d)-$(with_separate_gdc),yes-yes)
>    ifneq (,$(findstring gdc,$(PKGSOURCE)))
>      languages := c c++
>

Out of interest, why/how does it fail?

Iain.