Subsurface-mobile with BT and BLE support [was Re: updates to libdc with ABI change]

Rick Walsh rickmwalsh at
Thu Jun 29 12:59:34 PDT 2017

On 30 Jun. 2017 03:23, "Linus Torvalds" <torvalds at>

On Thu, Jun 29, 2017 at 7:39 AM, Dirk Hohndel <dirk at> wrote:
> Did you remember that you need a hacked Qt version for that? Linus posted
> about this a while ago.
> Qt 5.9 (and even 5.9.1) don't do the right thing here with BLE. So BT
> but BLE doesn't.

Actually, 5.9.x should work with most BLE devices. It's just that the
Suunto EON Steel in particular wants to see the server side GATT
attributes too, and is surprised and refuses to speak to you when it

I don't think the Petrel 2 should have that problem - but I do suspect
you need to have at _least_ Qt-5.8.

And 5.9.1 is preferable, since that does fix a few other annoyances already.

Ah, I'm still on 5.7 binaries from the Fedora 25 repositories (unpatched),
so it appears I have no hope for BLE until I upgrade.
Any idea why regular BT download doesn't work for me now?
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