From b5a97695b6b0e9f1151f55d08bf9a3377b0dd8f1 Mon Sep 17 00:00:00 2001
From: Kabir Oberai <oberai.kabir@gmail.com>
Date: Wed, 15 Jan 2025 21:40:26 -0500
Subject: [PATCH] Forward cross-compilation args when indexing

---
 Sources/BuildSystemIntegration/SwiftPMBuildSystem.swift | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Sources/BuildSystemIntegration/SwiftPMBuildSystem.swift b/Sources/BuildSystemIntegration/SwiftPMBuildSystem.swift
index c8e92edc6..2ce296f30 100644
--- a/Sources/BuildSystemIntegration/SwiftPMBuildSystem.swift
+++ b/Sources/BuildSystemIntegration/SwiftPMBuildSystem.swift
@@ -626,6 +626,15 @@ package actor SwiftPMBuildSystem: BuiltInBuildSystem {
     if let configuration = options.swiftPMOrDefault.configuration {
       arguments += ["-c", configuration.rawValue]
     }
+    if let triple = options.swiftPMOrDefault.triple {
+      arguments += ["--triple", triple]
+    }
+    if let swiftSDKsDirectory = options.swiftPMOrDefault.swiftSDKsDirectory {
+      arguments += ["--swift-sdks-path", swiftSDKsDirectory]
+    }
+    if let swiftSDK = options.swiftPMOrDefault.swiftSDK {
+      arguments += ["--swift-sdk", swiftSDK]
+    }
     arguments += options.swiftPMOrDefault.cCompilerFlags?.flatMap { ["-Xcc", $0] } ?? []
     arguments += options.swiftPMOrDefault.cxxCompilerFlags?.flatMap { ["-Xcxx", $0] } ?? []
     arguments += options.swiftPMOrDefault.swiftCompilerFlags?.flatMap { ["-Xswiftc", $0] } ?? []