Problems with Big Sur

After having hacked /opt/sw//lib/perl5/Fink/Services.pm I have been able 
to selfupdate and to update
most updated packages, but

(i)  cppunit1.12.1-shlibs       1.12.1-3             C++ Port of JUnit 
framework for unit testing
(i)  nco                        4.9.5-1              The NetCDF 
Operators
(i)  params-util-pm5184         1.102-1              Utility functions 
to aid parameter checking
(i)  soprano-mac                2.9.4-3              C++ RDF framework
(i)  soprano-mac-dev            2.9.4-3              Development headers 
and libraries for soprano
(i)  soprano-mac-shlibs         2.9.4-3              Shared libraries 
for Soprano
(i)  xml-simple-pm5184          2.25-1               Trivial API for 
reading and writing XML

on

Package manager version: 0.45.2
Distribution version: selfupdate-git Tue Dec  8 13:09:42 2020, 10.15, 
x86_64
Trees: local/main stable/main
Xcode.app: 12.2
Xcode command-line tools: 12.2.0.0.1.1604076827
Max. Fink build jobs:  16

The use of fink was plagued with multiple

Use of uninitialized value $javadir in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 448.
Use of uninitialized value $ver in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 448.
Use of uninitialized value $javadir in opendir at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 449.
Use of uninitialized value $ver in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 573.
Use of uninitialized value $ver in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 606.
Use of uninitialized value $ver in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 643.
Use of uninitialized value $ver in pattern match (m//) at 
/opt/sw/lib/perl5/Fink/VirtPackage.pm line 643.

and

Downloading the indexes of available packages in the binary 
distribution.
/opt/sw/bin/apt-get-lockwait -q update
Err http://bindist.finkmirrors.net stable/main Packages
   404 Not Found
Ign http://bindist.finkmirrors.net stable/main Release
Failed to fetch 
http://bindist.finkmirrors.net/10.15/dists/stable/main/binary-darwin-x86_64/Packages 
  404 Not Found
...
Reading Package Lists...
Building Dependency Tree...
E: Some index files failed to download, they have been ignored, or old 
ones used instead.
### execution of /opt/sw/bin/apt-get-lockwait failed, exit code 100
WARNING: Failure while updating indexes.

TIA

Dominique


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