Merge pull request #20397 from compnerd/deptrack

Author: swift-ci

stdlib/public/Reflection/CMakeLists.txt

@@ -25,6 +25,8 @@ if(SWIFT_BUILD_STDLIB)
     C_COMPILE_FLAGS ${SWIFT_RUNTIME_CXX_FLAGS}
     LINK_FLAGS ${SWIFT_RUNTIME_LINK_FLAGS}
     INSTALL_IN_COMPONENT dev)
+else()
+  add_custom_target(swiftReflection-${SWIFT_SDK_${SWIFT_HOST_VARIANT_SDK}_LIB_SUBDIR})
 endif()
 
 # Build a specific version for the host with the host toolchain.  This is going