[Therion] macOS installation

[Anže Abram]

Thanks for the reply. This is sadly not my case as I never moved from x86
mac. My previous installation was on the same M4 machine, just on a
previous macOS version (Sequoia). For example, my survex installation rests
in '/opt/homebrew/Cellar/survex/1.4.17'.

A.

*Anže Abram*
Ulica bratov Učakar 84, 1000 Ljubljana
SI - Slovenia

*M* +386 41 480 906
*@* anze.abram at gmail.com

*Naše oči je zalila*
*lava goreča*.


On Thu, 30 Oct 2025 at 09:29, Enrico Fratnik <enrico.fratnik at gmail.com>
wrote:

> Hello,
>    if you have transferred the installation from a MAC X86, you must first
> reinstall brew by removing the folder from /usr/local/opt and creating one
> in /opt/homebrew.
> You can find instructions on the homebrew website.
> Then, installing therion via brew also works in --head mode.
> enrico
>
> On Thu, Oct 30, 2025 at 9:00 AM Anže Abram <anze.abram at gmail.com> wrote:
>
>> Greetings.
>>
>> I've been trying to reinstall Therion on a new M-series macbook on the
>> newest OS (Tahoe) but have run into several 'dead ends'.
>>
>> (1) First I tried the homebrew method, but I ran into the same issue as
>> several others. The whole homebrew route seems to be broken currently.
>>
>> https://github.com/ladislavb/homebrew-therion/issues/15
>>
>> (2) I tried to compile it from source, but it gets stuck while trying to
>> compile Loch with the following error:
>>
>> In file included from lxSetup.cxx:39:
>>
>> *./lxData.h:35:10: **fatal error: **'vtkPolyData.h' file not found*
>>
>>    35 | #include <vtkPolyData.h>
>>
>>       | *         ^~~~~~~~~~~~~~~*
>>
>> 1 error generated.
>>
>> make[1]: *** [lxSetup.o] Error 1
>> make: *** [loch/loch] Error 2
>>
>> Does anyone know of a solution, how to tackle any of these problems by
>> chance? Thanks in advance,
>> Anze
>>
>> *Anže Abram*
>> Ulica bratov Učakar 84, 1000 Ljubljana
>> SI - Slovenia
>>
>> *M* +386 41 480 906
>> *@* anze.abram at gmail.com
>>
>> *Naše oči je zalila*
>> *lava goreča*.
>> _______________________________________________
>> Therion mailing list
>> Therion at speleo.sk
>> https://mailman.speleo.sk/listinfo/therion
>>
>
>
> --
> Enrico Fratnik
>
> e. enrico.fratnik at gmail.com
> PEC enrico at pec.fratnik.it
> skype: fratnike
> t. +39.335.6573879
>
>
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