Merge pull request #37739 from gottesmm/pr-ace077062b06e40a7a1b48249eaebba08f151fa4

[cmake] Now that we link with cxx and set the right load paths, use appropriate backdeployment target for swiftc.

Author: gottesmm

cmake/modules/AddSwift.cmake

@@ -92,7 +92,14 @@ function(_add_host_variant_c_compile_link_flags name)
       MACCATALYST_BUILD_FLAVOR ""
       DEPLOYMENT_VERSION "${DEPLOYMENT_VERSION}")
     target_compile_options(${name} PRIVATE $<$<COMPILE_LANGUAGE:C,CXX,OBJC,OBJCXX>:-target;${target}>)
-    target_link_options(${name} PRIVATE -target;${target})
+    target_link_options(${name} PRIVATE $<$<COMPILE_LANGUAGE:C,CXX,OBJC,OBJCXX>:-target;${target}>)
+  endif()
+
+  if (CMAKE_Swift_COMPILER)
+    get_target_triple(target target_variant "${SWIFT_HOST_VARIANT_SDK}" "${SWIFT_HOST_VARIANT_ARCH}"
+      MACCATALYST_BUILD_FLAVOR ""
+      DEPLOYMENT_VERSION "${DEPLOYMENT_VERSION}")
+    target_compile_options(${name} PRIVATE $<$<COMPILE_LANGUAGE:Swift>:-target;${target}>)
   endif()
 
   set(_sysroot