Dosemu tur

[stsp]

Hi guys!

This is my attempt to build dosemu2
under termux. I haven't tried dosemu1
for that task, as it doesn't support aarch64,
whereas dosemu2 does.
Unfortunately, dosemu2 is a monster,
(while dosemu1 is very small), so I spent
almost a month figuring out its deps and
packing it up into termux... I don't even
know if people will appreciate that amount
of new packages, all of which are just a
build-deps. :( I actually only added the
most essential deps - it had much more,
I removed some.

Status:

• Builds on CI: from termux, from tur and the hacked-up my own
• Tested on waydroid/x86_64 only, so please test on aarch64!
• All acceleration (jit, kvm, native execution on x86 host) - disabled
• pthread_cancel() replaced with pthread_kill(), so on exit you'll see messages like "terminated on signal" etc

I'd say its a pure miracle that it even works.
But I believe it suits termux better than
dosbox does, because it can flawlessly work
on text terminal without gfx mode.
Which termux is all about. :)

[stsp]

Here's the demo of dosemu2 on terminal:
https://www.youtube.com/watch?v=_seqxpqvuXs
As can be seen, its not just for simple text -
most of complex TUI things actually work.

[stsp]

Oh, can someone please tell me what
is this "dry-run" thing? I only made sure
the packages can be built on CI.

[stsp]

I removed the .git suffixes from URLs.
I suspect this is what makes dry-run to
fail... But only the trial can tell.

[licy183]

As you're the maintainer of these packages, I'll merge this PR after these things are get resolved. Thanks for your contribution!

[stsp]

As you're the maintainer of these packages, I'll merge this PR after these things are get resolved.

I addressed your comments.
As for maintaining - I only tested
these packages under waydroid/x86_64.
If setting the maintenance to
@termux-user-repository helps
better testing, I can do that.

Status update:

• enabled jit on x86 platforms
• enabled LTO

So mostly this is a fully-functional build,
just with GUI stripped off (termux doesn't
need GUI, it needs TUI). It seems, for arm
platforms there is no JIT even in upstream
version, so for now this is probably the
best what I could package.

[licy183]

LGTM. Thanks!