build: add -mergeable-symbols

kkebo · kkebo · commit 3c9f83de4af8 · 2025-04-27T16:44:36.000+09:00
This change reduces the binary size of `libKernel.a`.
diff --git a/Package.swift b/Package.swift
@@ -8,6 +8,7 @@ let swiftSettings: [SwiftSetting] = [
     .unsafeFlags(["-Xfrontend", "-no-allocations"]),
     .unsafeFlags(["-Xfrontend", "-function-sections"]),
     .unsafeFlags(["-Xfrontend", "-disable-stack-protector"]),
+    .unsafeFlags(["-Xfrontend", "-mergeable-symbols"]),
     .unsafeFlags(["-strict-memory-safety"]),
 ]
 

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,7 @@ let swiftSettings: [SwiftSetting] = [`
`8`	`8`	`.unsafeFlags(["-Xfrontend", "-no-allocations"]),`
`9`	`9`	`.unsafeFlags(["-Xfrontend", "-function-sections"]),`
`10`	`10`	`.unsafeFlags(["-Xfrontend", "-disable-stack-protector"]),`
	`11`	`+ .unsafeFlags(["-Xfrontend", "-mergeable-symbols"]),`
`11`	`12`	`.unsafeFlags(["-strict-memory-safety"]),`
`12`	`13`	`]`
`13`	`14`