[static-linux-sdk] Update "Getting Started with the Static Linux SDK"

Add a comment contrasting the Linux SDK with Apple platforms.

Co-authored-by: Evan Wilde <[email protected]>
Signed-off-by: Melissa Kilby <[email protected]>

Author: incertum

documentation/articles/static-linux-getting-started.md

@@ -2,7 +2,7 @@
 layout: page
 date: 2024-06-04 12:00:00
 title: Getting Started with the Static Linux SDK
-author: [al45tair, incertum]
+author: [al45tair, incertum, etcwilde]
 ---
 
 It's well known that Swift can be used to build software for Apple
@@ -40,6 +40,14 @@ you can develop and test your program on macOS before building and
 deploying it to a Linux-based server, whether running locally or
 somewhere in the cloud.
 
+Finally, for those wondering about an equivalent for Apple platforms,
+no such static SDK exists. Building a fully static executable is not
+possible on Apple's operating systems because, unlike Linux, the
+Darwin kernel's system call table is not part of the ABI. This design
+requires all system calls to be routed through the dynamic library
+`libsystem.dylib`, fundamentally preventing a 100% statically linked
+binary.
+
 ### Static vs Dynamic Linking
 
 _Linking_ is the process of taking different pieces of a computer