Hello world in AAarch64 Debian Buster

[Iain Buclaw]

On Wed, 7 Aug 2019 at 00:15, Cecil Ward via D.gnu <d.gnu at puremagic.com> wrote:
>
> On Tuesday, 6 August 2019 at 16:35:21 UTC, Johannes Pfau wrote:
> > Am Tue, 06 Aug 2019 05:13:11 +0000 schrieb Cecil Ward:
> >
> >> I have a raspberry pi 3B+ running raspbian stretch 32-bit with
> >> a containerised guest o/s inside it using systemd-nspawn, the
> >> guest o/s being AAarch64 Debian Buster.
> >>
> >> Inside AAarch64 Debian Buster, I run the following from the
> >> shell and get an error from the gdc compiler:
> >>
> >> root at debian-buster-64:~#  gdc -O3 -frelease -S test.d cc1d:
> >> error:
> >> cannot find source code for runtime library file 'object.d'
> >> cc1d: note: dmd might not be correctly installed. Run 'dmd
> >> -man' for
> >> installation instructions.
> >>
> >> (null):0: confused by earlier errors, bailing out
> >> root at debian-buster-64:~#
> >>
> >> Any clues as to where I should head from here?
> >
> > You're probably missing libgphobos-dev. However, I think on
> > debian buster there is no arm64 port of libgphobos-dev yet.
> >
> > Testing seems to have libgphobos-9-dev with arm64 support. If
> > you want to use buster though, you probably have to build gcc
> > by yourself. Just get the gcc 9 sources and use ./configure
> > --enable-languages=d when configuring gcc.
>
> Thank you very much Johannes. I have never done this before but I
> thought here goes, so I started out trying to build the whole of
> GCC including the D language from the sources.
>
> I made a bit of a mess of this, because having written a bash
> script to set things going, I ran it from the wrong shell, the
> shell in the host o/s not the one in the guest o/s. So this
> started off building the wrong architecture variant. I then
> realised I don’t know how to get my few files into the guest o/s
> Debian buster’s filesystem (inside its chroot++++ jail) so that’s
> more fun to work out. But worse than that, the make came up with
> an error, saying there are a few of dependencies that re not part
> of the download GMP for example. So I’m going to have to build
> all of those from the sources as well, and find out how to
> download them. I could easily get into a circular dependency
> thing here.
>
> I am so far out of my depth here. Some person who has done this
> before will have had binaries / object files / targets for those
> dependencies. Unless the files are just in the wrong place and I
> need to tell it where they are - which is one suggestion from the
> error msg.
>
> To recap: I was trying to simply get hold of gdc for aarch64- I
> didn’t really want to build anything from sources. I suspect this
> will create additional problems faster than it solves the
> original ones.
>
> Perhaps I should look around for gdc AArch64 Debian prebuilt
> binaries or ask someone who knows what on earth they are doing to
> kindly bootstrap this problem for me.

You could raise a Debian bug report, saying that aarch64 is in the
libphobos supported list.

-- 
Iain