citadel-server on a Raspi 4 8GB with 64bit Raspian

[joerg]

Hi,


I want to install a citadel-server (http://uncensored.citadel.org) with 
easyinstall on a 64Bit Raspian.

The installation faild with th following output:

******************************************************************************

Installing libcitadel...
checking build system type... conftools/config.guess: unable to guess 
system type

This script, last modified 2006-07-02, has failed to recognize
the operating system you are using. It is advised that you
download the most up to date version of the config scripts from

http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess 
<http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess>
and
http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub 
<http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub>

If the version you run (conftools/config.guess) is already up to date, 
please
send the following data and any information you think might be
pertinent to <config-patches@gnu.org> in order to provide the needed
information to handle your system.

config.guess timestamp = 2006-07-02

uname -m = aarch64
uname -r = 5.4.79-v8+
uname -s = Linux
uname -v = #1373 SMP PREEMPT Mon Nov 23 13:32:41 GMT 2020

/usr/bin/uname -p =
/bin/uname -X     =

hostinfo               =
/bin/universe          =
/usr/bin/arch -k       =
/bin/arch              =
/usr/bin/oslevel       =
/usr/convex/getsysinfo =

UNAME_MACHINE = aarch64
UNAME_RELEASE = 5.4.79-v8+
UNAME_SYSTEM  = Linux
UNAME_VERSION = #1373 SMP PREEMPT Mon Nov 23 13:32:41 GMT 2020
configure: error: cannot guess build type; you must specify one
 Citadel Easy Install is aborting.
 The last few lines above this message may indicate what went wrong.
 Linux Debian 10.7( 5.4.79-v8+ aarch64)

*****************************************************************************

Can you help me?

Best regards

Joerg