{{{#!highlight sh

# Add a user to a group from the command line
sudo dseditgroup -o edit -a $username_to_add -t user $group_to_be_added_to
}}}

== Cross compiling ==

[[https://github.com/tpoechtrager/osxcross|tpoechtrager/osxcross: OS X cross toolchain for Linux, *BSD and Windows (Cygwin)]]

[[http://stackoverflow.com/questions/27154746/cross-compiling-from-os-x-to-windows-using-clang-and-the-visual-studio-2013-runt|c++ - Cross-compiling from OS X to Windows using clang and the Visual Studio 2013 runtime - Stack Overflow]]. Mentions "-fmsc-version" flag.

== Xcode/macOS platform SDK ==

https://github.com/phracker/MacOSX-SDKs: Archived versions of macOS SDKs.

[[https://developer.apple.com/download/more/|Downloads for Apple developers]]: archives of Xcode, etc going back.

== Code signing ==

[[https://successfulsoftware.net/2012/08/30/how-to-sign-your-mac-os-x-app-for-gatekeeper/|How to sign your Mac OS X App for Gatekeeper | Successful Software]]: Easy-to-read high level document

http://stackoverflow.com/a/41058295/14878 — signing a .dylib shared library