[SwiftBuild] Use hostBuildTool product type for build plugin targets (#8936)

hamishknight · web-flow · commit 981a6200659e · 2025-08-18T07:56:11.000-07:00
Match how macros are handled and use the `hostBuildTool` product type.

rdar://155792370
diff --git a/Sources/SwiftBuildSupport/PackagePIFProjectBuilder+Modules.swift b/Sources/SwiftBuildSupport/PackagePIFProjectBuilder+Modules.swift
@@ -39,7 +39,7 @@ extension PackagePIFProjectBuilder {
         let pluginTargetKeyPath = try self.project.addTarget { _ in
             ProjectModel.Target(
                 id: pluginModule.pifTargetGUID,
-                productType: .executable,
+                productType: .hostBuildTool,
                 name: pluginModule.name,
                 productName: pluginModule.name
             )

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ extension PackagePIFProjectBuilder {`
`39`	`39`	`let pluginTargetKeyPath = try self.project.addTarget { _ in`
`40`	`40`	`ProjectModel.Target(`
`41`	`41`	`id: pluginModule.pifTargetGUID,`
`42`		`- productType: .executable,`
	`42`	`+ productType: .hostBuildTool,`
`43`	`43`	`name: pluginModule.name,`
`44`	`44`	`productName: pluginModule.name`
`45`	`45`	`)`