[ABIChecking] swift-api-digester doesn't support -isystem

ian-twilightcoder · ian-twilightcoder · commit edc877d53bb6 · 2025-06-17T12:30:32.000-07:00
swift-api-digester doesn't support the -isystem clang flag like it does the -iframework one. Use -I for now.

rdar://153664788
diff --git a/Sources/SwiftDriver/Jobs/APIDigesterJobs.swift b/Sources/SwiftDriver/Jobs/APIDigesterJobs.swift
@@ -195,7 +195,7 @@ extension Driver {
 
     try commandLine.appendAll(.I, from: &parsedOptions)
     for systemImport in parsedOptions.arguments(for: .Isystem) {
-      commandLine.appendFlag("-isystem")
+      commandLine.appendFlag(.I)
       commandLine.appendFlag(systemImport.argument.asSingle)
     }
     try commandLine.appendAll(.F, from: &parsedOptions)

Original file line number	Diff line number	Diff line change
`@@ -195,7 +195,7 @@ extension Driver {`
`195`	`195`
`196`	`196`	`try commandLine.appendAll(.I, from: &parsedOptions)`
`197`	`197`	`for systemImport in parsedOptions.arguments(for: .Isystem) {`
`198`		`- commandLine.appendFlag("-isystem")`
	`198`	`+ commandLine.appendFlag(.I)`
`199`	`199`	`commandLine.appendFlag(systemImport.argument.asSingle)`
`200`	`200`	`}`
`201`	`201`	`try commandLine.appendAll(.F, from: &parsedOptions)`