swig: Build failure due to swig3

[mf2k (Frank Schima)]

I cannot build swig on Big Sur 11.1 with Xcode 12.3.

$ sudo port install swig
--->  Computing dependencies for swig
The following dependencies will be installed:  swig3
Continue? [Y/n]: 
--->  Fetching archive for swig3
--->  Attempting to fetch swig3-3.0.12_2.darwin_20.x86_64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/swig3
--->  Attempting to fetch swig3-3.0.12_2.darwin_20.x86_64.tbz2 from https://mse.uk.packages.macports.org/swig3
--->  Attempting to fetch swig3-3.0.12_2.darwin_20.x86_64.tbz2 from https://lil.fr.packages.macports.org/swig3
--->  Configuring swig3
Error: Failed to configure swig3, consult /opt/local/var/macports/build/_opt_mports_macports-ports_devel_swig3/swig3/work/swig-3.0.12/config.log
Error: Failed to configure swig3: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_mports_macports-ports_devel_swig3/swig3/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port swig failed

Let's please at least remove the dependency on swig3. #61120.

[mf2k (Frank Schima)]

See #61866.

[mohd-akram (Mohamed Akram)]

In 6fdbf8046e4716073c31c0388a53086fdbfc32cd/macports-ports (master):

swig: remove dependency on swig3

Closes: #61120
Closes: #61857