[NTG-context] can’t make a format with LMTX (Docker/linuxmusl)

[NTG-context] can’t make a format with LMTX (Docker/linuxmusl)

[Henning Hraban Ramm]

Hi,
I tried to install LMTX/linuxmusl in a Docker container, installation 
seems to work ("context --version" looks good), but making the format 
fails with some Lua errors, e.g.

loading > ConTeXt Token support / helpers
… toks-aux.lmt:273: … operation on a nil value (field 'glyph')

I don’t know if that’s musl or Docker related, I’ve no clue about these.
Should I provide a full log?

Hraban
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[NTG-context] Re: can’t make a format with LMTX (Docker/linuxmusl)

[Bruce Horrocks]

> On 13 Dec 2024, at 10:42, Henning Hraban Ramm <texml@fiee.net> wrote:
> 
> Hi,
> I tried to install LMTX/linuxmusl in a Docker container, installation seems to work ("context --version" looks good), but making the format fails with some Lua errors, e.g.
> 
> loading > ConTeXt Token support / helpers
> … toks-aux.lmt:273: … operation on a nil value (field 'glyph')
> 
> I don’t know if that’s musl or Docker related, I’ve no clue about these.
> Should I provide a full log?

Me too.

I followed the instructions on the garden
<https://wiki.contextgarden.net/Installing_ConTeXt_LMTX_into_a_Docker_container>

except for:
- changing "FROM debian:latest" to "FROM alpine:latest"
- commenting out the install of the unzip utility
- replacing "context-linux-64" with "context-linuxmusl-64" throughout

The container build completes okay and context --version runs okay (using sh instead of bash)

But compiling a 3 line context source fails. I've attached the relevant lines from the log but I'm guessing there is a "glibc-ism" left in Lua that is causing the problem.

Regards,

----
lua error       > lua error on line 18 in file file-mod.mklx:

token call, execute: ...ext/tex/texmf-context/tex/context/base/mkxl/file-mod.lmt:78: attempt to call a nil value (field 'getrunstate')
stack traceback:
	...ext/tex/texmf-context/tex/context/base/mkxl/file-mod.lmt:78: in local 'code'
	...ext/tex/texmf-context/tex/context/base/mkiv/util-lua.lua:97: in field 'loadedluacode'
	...ext/tex/texmf-context/tex/context/base/mkiv/luat-env.lua:108: in field 'luafilechunk'
	...ext/tex/texmf-context/tex/context/base/mkxl/luat-cod.lmt:82: in function 'lua.registercode'
	[ctxlua]:1: in main chunk
<empty file>
You injected something that confused the parser, maybe by using some Lua call.
----

—
Bruce Horrocks
Hampshire, UK

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If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive  : https://github.com/contextgarden/context
wiki     : https://wiki.contextgarden.net
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