Re: lang/mono for arm64

On 4/9/2021 11:15 AM, Patrick Wildt wrote:
> Hi,
>
> to do some release tests with iked we wanted to play^Wtest games/openra
> over IPsec. Turns out that arm64 does not support lang/mono, but I have
> gotten it to run. With the following diff, games/openra builds and I
> can even play it.
>
> This doesn't need to make release, so no worries. Would be nice for
> others, but I myself run -current anyway.
>
> The arch-defines.mk enables all mono-related packages. In gcconfig.h
> OPENBSD needs to be checked so make sure in case it's AArch64, it
> doesn't define NOSYS. Additionally apparently one has to check for
> OPENBSD and __aarch64__ to define the mach type. Then there's another
> AARCH64 block where OS-related stuff has to be defined. I simply used
> the AMD64 block, but skipping ELFCLASS. In boringssl we need to have
> the 'find aarch64 crypto accel' code as well. We don't have a nice API
> yet to extract info, so let's for now only use NEON, which we require
> on AArch64. As far as I can see, ucontext is sigcontext, so I provide
> the same defines as FreeBSD but with sigcontext context.
>
> I can try to get the diffs upstreamed.
>
> Patrick
>
> diff --git a/infrastructure/mk/arch-defines.mk b/infrastructure/mk/arch-defines.mk
> index 228c3991f50..965949a964b 100644
> --- a/infrastructure/mk/arch-defines.mk
> +++ b/infrastructure/mk/arch-defines.mk
> @@ -21,7 +21,7 @@ LP64_ARCHS = aarch64 alpha amd64 mips64 mips64el powerpc64 sparc64
> GCC4_ARCHS = alpha hppa sh sparc64
> GCC3_ARCHS = m88k
> # XXX easier for ports that depend on mono
> -MONO_ARCHS = amd64 i386
> +MONO_ARCHS = amd64 i386 aarch64
Move aarch64 to the front of the list.