[Lazarus] OSX 64 bit Cocoa + Catalina Installer

[Anthony Walter]

Also, about code signing gdb, my setup script will install it for you using
either Homebrew or Macports, you get to choose. You may want to try these
alternate steps and skip the debugger install steps (the script already
installed it), and proceed with the code signing steps:

https://gist.github.com/hlissner/898b7dfc0a3b63824a70e15cd0180154

https://www.ics.uci.edu/~pattis/common/handouts/macmingweclipse/allexperimental/mac-gdb-install.html

If you used Homebrew, then this bit of code will test if the dnu debugger
is properly code signed:

SIGNED="$(codesign -dv /usr/local/bin/gdb 2>&1)"
echo $SIGNED

And on Macports use this code:

SIGNED="$(codesign -dv /opt/local/bin/ggdb 2>&1)"
echo $SIGNED

Unsigned gnu debuggers will include this text in $SIGNED:

"object is not signed"
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