Sorry for the complex title. I'm not yet sure what is the error in my

particular configuration.

I'm trying to write a Dockerfile to run Squeak on my raspberry pi (4b+, set
up with 64 bit). I downloaded this release:
`squeak.cog.spur_linux64x64_202003021730` and tried to execute it without
any arguments for the beginning:
```
root at cadc927632ce:/# ./sqcogspur64linuxht/squeak
        not a dynamic executable
Error. Could not determine platform's libc path for VM.
Try forcing $PLATFORMLIBDIR in ./sqcogspur64linuxht/squeak, based on
LIBC_SO.
Please report what works to squeak [vm-dev] mail list.
  LIBC_SO=
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=20.04
  DISTRIB_CODENAME=focal
  DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
  NAME="Ubuntu"
  VERSION="20.04.1 LTS (Focal Fossa)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 20.04.1 LTS"
  VERSION_ID="20.04"
  VERSION_CODENAME=focal
  UBUNTU_CODENAME=focal
  UNAME=Linux cadc927632ce 5.4.79-v8+ #1373 SMP PREEMPT Mon Nov 23 13:32:41
GMT 2020 aarch64 aarch64 aarch64 GNU/Linux
  System seems to be 64 bit. You may need to (re)install the 32-bit
libraries.
```

What does this error message want to tell me? Which libraries should I
install?
I already gave this
\[<https://github.com/pharo-project/pharo-launcher/issues/112>\] a try, but
I only get 404 errors for i386 repository - [it looks as if it is not
available for Ubuntu
20.](https://eofla.wordpress.com/2020/04/01/ubuntu-20-04-lts-i386-repository-fade-out/)

Can you help me? What libraries and packages do I need to install to get a
(headful, planning to use `ssh -X`) running in my container?

(PS: Probably a Squeak alternative for http://get.pharo.org/ could be
helpful, too. :-))
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