MyCrypto: yarn build:electron fails in Catalina

yarn build:electron:osx fails because

Error: Exit code: 2. Command failed: /usr/bin/perl /private/var/folders/xz/2y8r_j654sx984cnws7y545h0000gn/T/t-usuhNH/1-dmgProperties.pl
Can't locate Mac/Memory.pm in @INC (you may need to install the Mac::Memory module) (@INC contains: /Library/Perl/5.18/darwin-thread-multi-2level /Library/Perl/5.18 /Network/Library/Perl/5.18/darwin-thread-multi-2level /Network/Library/Perl/5.18 /Library/Perl/Updates/5.18.4 /System/Library/Perl/5.18/darwin-thread-multi-2level /System/Library/Perl/5.18 /System/Library/Perl/Extras/5.18/darwin-thread-multi-2level /System/Library/Perl/Extras/5.18 .) at /private/var/folders/xz/2y8r_j654sx984cnws7y545h0000gn/T/t-usuhNH/1-dmgProperties.pl line 4.
BEGIN failed--compilation aborted at /private/var/folders/xz/2y8r_j654sx984cnws7y545h0000gn/T/t-usuhNH/1-dmgProperties.pl line 4.

Yep. No Mac::Memory in 64 bit perl. Great job Apple.

yarn build:electron:windows fails because of all the 32bit wine crap hardcoded in builder-util/wine.js

I can do some hacking around it, but eventually rc-edit fails too because it is hardcoded to -ia32.exe

Wonderful.