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Posts: 417 | Thanked: 484 times | Joined on Jan 2012 @ Argentina
#1
See this thread for discussion & help/tips about Sailfish for Android devices:
http://talk.maemo.org/showthread.php?t=92506

Nokia N9:
- Wiki Tutorial
- Firmware Images 1
- Firmware Images 2
- Issue Tracker
Before start: Your phone must be "factory unlocked"
Thanks: rzr, SourenAraya, vgrade, Nad, juiceme, mikecomputing, TMavica, krnlyng AND a lot more

___________________________________
ORIGINAL POST:

Hi, i want to share this post from a Jolla engineer giving tips to start porting Sailfish:

I'm pretty sure I phrased it a bit different So, both the N900 and N9 have the problem of having binary blobs, which Jolla is not allowed to distribute, and almost certainly never will be. The N9 additionally has the problem of having an older kernel than the N900 -- old enough that it's starting to cause problems. That's the reason why I probably mentioned N900.

As for Nemo and N9, Nemo is a community followup project of MeeGo, and as such inherited basic N9 hardware adaptation, and the right to redistribute those binary blobs. So, if you as user take a Nemo image and put Jolla stuff in there it works -- but we as Jolla can't do that.

Another problem is that the old N9 adaptation is based on X11, while we are using Wayland. We do have a proof of concept Wayland stack up on N9 (available through Nemo as well), but it has its fair shair of problems.

That we're using Wayland makes your suggestion of porting Sailfish libraries to Harmattan hard as well: Harmattan is an X11 stack (same in the different direction: you can't use a Harmattan binary on Sailfish. If you have the source porting is trivial -- unless it's using meegotouch. But if you only have a binary it won't run. In theory something hacking with xwayland might be possible, but that's pretty crazy, and a sailfish port/rewrite would almost certainly be the better option)

So, it should be pretty clear by now that we will not do N9 images. What needs to happen for community to be able to do the port? Easy: Get involved in Nemo. I mentioned that several times, though so far nobody showed interest.

It's mainly 3 areas that need work:
- finish port to the 3.5 kernel we started. The required tasks are in Nemos Bugzilla: http://bit.ly/13jvXFH
- start fixing bugs in the Wayland proof-of-concept for N9
- reverse engineer hardware components where no driver exists, and do drivers (like GPS)

So, it's a hard task, but not impossible. The Nemo community and Jolla provided a very good starting point with Nemo, now it's up to community members to step up, and continue.
"As I said before, it's just the Nemo adaptation. The demos we did on N950 last year were on X11 stack, Wayland stack on N9/N950 has a few issues making it not suitable for demos without some additional effort -> community effort needed on N9 Wayland stack in Nemo

The following assumes that you have a Nemo instance with Sailfish libraries installed (note that this is not a promise of us doing that, read the following paragraph as privat comment from me):

0) Nemo is most likely to switch to Wayland in the near future as well, though might support X11 a bit longer than Jolla
1) MeeGo apps will mostly run on Nemo. If you're using the Nemo X11 stack, some Harmattan binaries run, if they use more complex middleware they need some changes and recompilation. For Nemo/Wayland same, just that you need a Qt5-port (in most cases just a few hours more effort), and that you can't use libmeegotouch (note that we still provide compatibility layers for some of the libmeegotouch APIs, so for example if you're using lmt notifications your app will work after recompile)
2) If Sailfish libraries are available, and you're using Nemos Wayland stack, yes
3) Same as 2.

(if 2) does not use Silica Components, just middleware + custom QML it should work as well. We work on most of the Sailfish-middleware as opensource inside of Nemo. As a result, almost all middleware interfaces between Nemo and Sailfish share the same ABI)

The kernel 3.5 requirement is not because of Wayland. We're using features of newer kernels in layers below UI stack. The Wayland problem on N9 is related to using the slighly hacky way it's done.

There are instructions on how to get it running in the Mer wiki: https://wiki.merproject.org/wiki/Ada...9-N950/Wayland

We recently changed packaging of some components to make things a bit easier (mostly to make the Wayland switch just a matter of installing a package, without need to edit configuration files). The proof-of-concept Wayland configuration package is on github (https://github.com/nemomobile/nemo-configs-n950-n9), I just didn't integrate it to Nemo yet as that'll require some work in cleaning up the complete N950 config, which I don't want to spend at the moment unless there's a real interest in starting to hack on it."
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Last edited by jalyst; 2014-09-18 at 03:45. Reason: Made this thread less ambiguous, it's now strictly for the N9, Sailfish for Android devices thread is referenced
 

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#2
Seriously this is WHY merproject need a forum.

Discussion on facebook is not a soultion for me.

I am willing setup a forum and paying the bills atleast some months depending on traffic.

We really need this to go forward.
__________________
Hey, I want a other half where Jolla phone pissing on Nokia X
 

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#3
"Facebook Login
You must log in to see this page."

I don't have a facebook account, I will never have a facebook account. Quasi-open but very proprietary protocol, centralized service, profiling people and selling them to the highest bidder. Even for good causes like this, facebook is just never an option.
 

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#4
Sorry guys, but thats why i share that here (to start making something here)
 

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#5
He also just said:

"As I said before, it's just the Nemo adaptation. The demos we did on N950 last year were on X11 stack, Wayland stack on N9/N950 has a few issues making it not suitable for demos without some additional effort -> community effort needed on N9 Wayland stack in Nemo

The following assumes that you have a Nemo instance with Sailfish libraries installed (note that this is not a promise of us doing that, read the following paragraph as privat comment from me):

0) Nemo is most likely to switch to Wayland in the near future as well, though might support X11 a bit longer than Jolla
1) MeeGo apps will mostly run on Nemo. If you're using the Nemo X11 stack, some Harmattan binaries run, if they use more complex middleware they need some changes and recompilation. For Nemo/Wayland same, just that you need a Qt5-port (in most cases just a few hours more effort), and that you can't use libmeegotouch (note that we still provide compatibility layers for some of the libmeegotouch APIs, so for example if you're using lmt notifications your app will work after recompile)
2) If Sailfish libraries are available, and you're using Nemos Wayland stack, yes
3) Same as 2.

(if 2) does not use Silica Components, just middleware + custom QML it should work as well. We work on most of the Sailfish-middleware as opensource inside of Nemo. As a result, almost all middleware interfaces between Nemo and Sailfish share the same ABI)

The kernel 3.5 requirement is not because of Wayland. We're using features of newer kernels in layers below UI stack. The Wayland problem on N9 is related to using the slighly hacky way it's done.

There are instructions on how to get it running in the Mer wiki: https://wiki.merproject.org/wiki/Ada...9-N950/Wayland

We recently changed packaging of some components to make things a bit easier (mostly to make the Wayland switch just a matter of installing a package, without need to edit configuration files). The proof-of-concept Wayland configuration package is on github (https://github.com/nemomobile/nemo-configs-n950-n9), I just didn't integrate it to Nemo yet as that'll require some work in cleaning up the complete N950 config, which I don't want to spend at the moment unless there's a real interest in starting to hack on it."
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FarahFa.com Qayyem.com
 

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#6
Originally Posted by mikecomputing View Post
Seriously this is WHY merproject need a forum.

Discussion on facebook is not a soultion for me.

I am willing setup a forum and paying the bills atleast some months depending on traffic.

We really need this to go forward.
Please do it! Mer devs said they won't set up any forum, but community is free to do it. I'm all for such a thing, and you can invite Mer / Nemo and other derivatives developers to participate. You'll have to advertise such forum since it will be new.

There was such experiment before (opentablets.org) though it was a bit too focused on Plasma Active and didn't pick up because of that I think.

You'll have to convince Nemo and Mer developers to participate though. They might avoid it claiming that mailing list is enough (I don't agree).

Last edited by shmerl; 2013-07-17 at 21:30.
 

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#7
Originally Posted by mikecomputing View Post
Seriously this is WHY merproject need a forum.

Discussion on facebook is not a soultion for me.

I am willing setup a forum and paying the bills atleast some months depending on traffic.

We really need this to go forward.
I reckon here is fine, until such time as something sponsored by the relevant parties (hopefully the HFB/C can be a part of that) is set-up.
If it's still not completed by the time the device starts shipping, then we should proceed with something immediately...
In the meantime we should strongly press all relevant parties to do it ASAP, we simply haven't made our case strongly enough yet, it's well overdue.
And they shouldn't just stop at forum infrastructure for MeR and MeR derivatives....

Last edited by jalyst; 2013-07-18 at 09:01.
 

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#8
Originally Posted by jalyst View Post
I reckon here's fine, until such time as something sponsored by the relevant parties (hopefully the HFB/C can be a part of that) is set-up. If it's still not done by the time the device starts shipping, then we should proceed with something immediately... In the meantime we should strongly press all relevant parties to do this, we simply haven't made our case strongly enough yet, it's well overdue.
Yup the board shoud try it like talk.maemo.org there should be a effort on talk.jolla.org
 
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#9
MeR being the meta-distro or "trunk", can be the central site/forum (xxxx.merproject.org) that links to all MeR-derived sites/infra/fori:

talk.sailfishos.org
talk.nemomobile.org
talk.plasma-active.org
etc.

Or if that's too cumbersome we could have:

sailfish.merproject.org
nemo.merproject.org
plasma.merproject.org

Or something like that...

Last edited by jalyst; 2013-07-18 at 09:21.
 

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#10
Originally Posted by jalyst View Post
I reckon here is fine, until [...]
Jolla seem to need a lot of help disseminating info into both this (TMO) and the wider community.

We only got the above information because a 16 year old started a Jolla fan group on FB, a Jolla engineer joined and because I (N900 owner) mentioned and vaguely misrepresented him...!
(... because so much has changed in the ~5 months since his previous comments)

If I had to guess, we are individually getting disparate bits of information, but we are failing to...
  • organise it
  • put it into an easily accessible form
  • publicise it.

Furthermore, this Jolla engineer is clearly doing this in his spare time along with being one of very few people working on bringing Nemo to the N9.

He also sounds like he's on the verge of shelving the latter project because not enough N9 owners are helping out.

I know you guys rock so get involved. Instructions in this page:

http://merproject.org/
 

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