[NTG-context] the system not working on Linux 32 with Context-lmtx

Hans Hagen j.hagen at freedom.nl
Thu Jul 21 21:28:08 CEST 2022

On 7/20/2022 3:31 PM, Jan Mikkelsen via ntg-context wrote:
> Hi,
> I had/have a very similar problem on FreeBSD with TeXLive 2021, with the same context.lua not found message, which I posted about a while ago.
> I “resolved” it by setting TEXMF to point to my texmf-dist directory, in my case /usr/local/share/texmf-dist. It would be nice for it to work without setting TEXMF.
> Without setting TEXMF, running "mtxrun —generate” guesses a little differently, then attempts to scan all of /usr, and then fails when parts have no read permission.
> I suspect it is working when you are in /usr/share/texmf-dist because the “collapsepath” function in mtxrun is collapsing “/../..” from /usr/bin to “.” instead of “/“. (Which seems like a bug, but I’m not sure.)
> If I run “TEXMF=/usr/local/share/texmf-dist context file.tex” things run correctly, and a ~/.texlive2021 directory is created. Running “TEXMF=/usr/local/shared/texmf-dist mtxrun —generate” runs without error but also doesn’t generate a ~/.texlive2021 directory.
> The real problem seems to be that mtxrun doesn’t deal well with the filesystem layout case of “/top-level/bin/mtxrun” and “/top-level/share/texmf-dist”.
you should not run/mix lmtx with texlive

- we use luametatex as runner for both luametatex and luatex runs
- mtxrun.lua and context.lua are both in the bin path (as usual)
- mtxrun.exe and context.exe are symlinks to luametatex.exe

that is the same for all platforms but in tex live on windows there is 
some small stub (i'm bot even sure what nowadays) that starts luatex in 
texlue mode  and then loads mtrun.lua; on unix it is supposed to shebang 
(therefore there mxrun.lua is just mtxrun).

no shebanging in lmtx: as said, just a symlink to the bin that then 
picks up mtxrun.lua : all operating systmes treated equal.

So, mixing these approaches in unlikelty to work unless one makes sure 
that before installing lmtx first all traces of mtxrun and context in 
the bin paths are gone ... even then I'm not sure but others who mix 
might know.

(btw, why not keep lmtx separate from your texlive installation)


                                           Hans Hagen | PRAGMA ADE
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