+lightning-rapid-gossip-sync = { path = "../lightning-rapid-gossip-sync", default-features = false }
+lightning-background-processor = { path = "../lightning-background-processor", features = ["futures"], default-features = false }
+
+# Obviously lightning-transaction-sync doesn't support no-std, but it should build
+# even if lightning is built with no-std.
+lightning-transaction-sync = { path = "../lightning-transaction-sync", optional = true }