From ea7e34fd5d9323f07ab9fdfa561b752d3546dfde Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Mon, 9 Dec 2024 13:34:44 -0500
Subject: [PATCH] [ruby/mmtk] Add target clean-mmtk to clean Rust debug and
 release directories

https://github.com/ruby/mmtk/commit/1f71cb873c
---
 gc/mmtk/extconf.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gc/mmtk/extconf.rb b/gc/mmtk/extconf.rb
index b2cd9401f0..5e77da99a9 100644
--- a/gc/mmtk/extconf.rb
+++ b/gc/mmtk/extconf.rb
@@ -32,6 +32,12 @@ makefile << <<~'MAKEFILE'
   			exit 1 \
   			;; \
   	esac
+
+  clean: clean-mmtk
+
+  .PHONY: clean-mmtk
+  clean-mmtk:
+		-$(Q)$(RM_RF) debug release
 MAKEFILE
 
 File.open("Makefile", "w") { |file| file.puts(makefile) }