State of lilypond with Guile 2?

State of lilypond with Guile 2?

[Arne Babenhauserheide]

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Hi,

I had the recollection that lilypond nowadays can work with Guile 2, but
when I checked right now in the docs, I saw them saying "Version 2.x of
Guile is not currently supported"
http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=blob;f=Documentation/included/compile.itexi;h=0abd68a9177912138f01055504f20721e4a507de;hb=HEAD#l85

Do you know the state of using lilypond with modern Guile?

Does the lilypond in Guix use Guile 2?

Does lilypond on Windows use Guile 2?

Best wishes,
Arne
--
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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Re: State of lilypond with Guile 2?

[Thomas Morley]

Hi Arne,

Am Fr., 8. Nov. 2019 um 21:04 Uhr schrieb Arne Babenhauserheide
<arne_bab@web.de>:
>
> Hi,
>
> I had the recollection that lilypond nowadays can work with Guile 2, but
> when I checked right now in the docs, I saw them saying "Version 2.x of
> Guile is not currently supported"
> http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=blob;f=Documentation/included/compile.itexi;h=0abd68a9177912138f01055504f20721e4a507de;hb=HEAD#l85
>
> Do you know the state of using lilypond with modern Guile?

Due to the lack of manpower we don't get close to release any LilyPond
supporting guile-2.x.
Thus the known problems persist.
All low hanging fruits are done, though and speaking only for me: I
can't go deeper, it's beyond my depth.
Remember, I'm not even a programmer, but a musician, maybe an
ambitious musician ;)

Additionally I recently found something preventing our `make
test-baseline´ to work.
Probablly identified here:
https://lists.gnu.org/archive/html/lilypond-devel/2019-10/msg00236.html
(unsolved)

Following the link you'll find a .zip containing several patches.
Applying them you'll get a successful
`make´ and `make doc` for every guile up to guile-2.9.4, but  as said
`make test-baseline´ fails.

>
> Does the lilypond in Guix use Guile 2?

No clue, I doubt, though.
>
> Does lilypond on Windows use Guile 2?

No.

>
> Best wishes,
> Arne
> --
> Unpolitisch sein
> heißt politisch sein
> ohne es zu merken

Best,
  Harm

Re: State of lilypond with Guile 2?

[Arne Babenhauserheide]

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Hi Thomas,

Thank you for your answer and for continuing to check Guile 2!

Thomas Morley <thomasmorley65@gmail.com> writes:

>> I had the recollection that lilypond nowadays can work with Guile 2, but
>> when I checked right now in the docs, I saw them saying "Version 2.x of
>> Guile is not currently supported"
>> http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=blob;f=Documentation/included/compile.itexi;h=0abd68a9177912138f01055504f20721e4a507de;hb=HEAD#l85
>>
>> Do you know the state of using lilypond with modern Guile?
>
> Due to the lack of manpower we don't get close to release any LilyPond
> supporting guile-2.x.
> Thus the known problems persist.
> All low hanging fruits are done, though and speaking only for me: I
> can't go deeper, it's beyond my depth.
> Remember, I'm not even a programmer, but a musician, maybe an
> ambitious musician ;)
>
> Additionally I recently found something preventing our `make
> test-baseline´ to work.
> Probablly identified here:
> https://lists.gnu.org/archive/html/lilypond-devel/2019-10/msg00236.html
> (unsolved)
>
> Following the link you'll find a .zip containing several patches.
> Applying them you'll get a successful
> `make´ and `make doc` for every guile up to guile-2.9.4, but  as said
> `make test-baseline´ fails.

That actually looks pretty promising. Thank you for tackling it!

So with your patches Lilypond works with Guile 2.0.14. Is there a chance
that you could get them into a new guile-v2-work-rev2 branch or such?

And maybe post the commands you use to build and test it?

Best wishes,
Arne
-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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Re: State of lilypond with Guile 2?

[Thomas Morley]

Am Do., 14. Nov. 2019 um 22:15 Uhr schrieb Arne Babenhauserheide
<arne_bab@web.de>:

> So with your patches Lilypond works with Guile 2.0.14.

Well, the mentioned zip contains several patches from several people.
Including some of your suggestions. ;)
My own are sometimes more (rude) workarounds than fixes.

> Is there a chance
> that you could get them into a new guile-v2-work-rev2 branch or such?

I hesitate to checkin patches reverting upstream work. Better to fix
the underlying problem, ofcourse.
In general I'd prefer to wait for official guile3 release. Any idea
when it will happen?

> And maybe post the commands you use to build and test it?

Nothing surprising.
From lilypond-git-repo's master I checkout a local branch and throw-in
all those patches.
Then I follow our "Contributor's guide", i.e.

sh autogen.sh --noconfigure
mkdir -p build/
cd build/
../configure --enable-guile2
make

For the docs (if wished)
make doc

For testings
make test-baseline
and
make check

Ofcourse `configure --enable-guile2´ will search for the
system-installed guile2-version.
One could point to other guile and guile-config...

Cheers,
  Harm

>
> Best wishes,
> Arne
> --
> Unpolitisch sein
> heißt politisch sein
> ohne es zu merken

Re: State of lilypond with Guile 2?

[Ricardo Wurmus]

Arne Babenhauserheide <arne_bab@web.de> writes:

> Does the lilypond in Guix use Guile 2?

No.

-- 
Ricardo

Re: State of lilypond with Guile 2?

[Arne Babenhauserheide]

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Ricardo Wurmus <rekado@elephly.net> writes:

> Arne Babenhauserheide <arne_bab@web.de> writes:
>
>> Does the lilypond in Guix use Guile 2?
>
> No.

It would be great if we could change that once it works with Guile 2.9
again, because that will be the testbed closest to Guile development.

That would be a way to reduce the probability that changes in Guile
break lilypond.

Best wishes,
Arne
-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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