diff --git a/cargo2rulesmk.json b/cargo2rulesmk.json
new file mode 100644
index 0000000..99d0b4b
--- /dev/null
+++ b/cargo2rulesmk.json
@@ -0,0 +1,3 @@
+{
+  "features": "default,span-locations"
+}
\ No newline at end of file
diff --git a/rules.mk b/rules.mk
new file mode 100644
index 0000000..39075a8
--- /dev/null
+++ b/rules.mk
@@ -0,0 +1,22 @@
+# This file is generated by cargo2rulesmk.py --run --config cargo2rulesmk.json.
+# Do not modify this file as changes will be overridden on upgrade.
+
+LOCAL_DIR := $(GET_LOCAL_DIR)
+MODULE := $(LOCAL_DIR)
+MODULE_CRATE_NAME := proc_macro2
+MODULE_SRCS := \
+	$(LOCAL_DIR)/src/lib.rs \
+
+MODULE_RUST_EDITION := 2021
+MODULE_RUSTFLAGS += \
+	--cfg 'feature="default"' \
+	--cfg 'feature="proc-macro"' \
+	--cfg 'feature="span-locations"' \
+	--cfg 'proc_macro_span' \
+	--cfg 'span_locations' \
+	--cfg 'wrap_proc_macro' \
+
+MODULE_LIBRARY_DEPS := \
+	external/rust/crates/unicode-ident \
+
+include make/library.mk