From 62a682b20c95864ee8df135c0ba660c39b717858 Mon Sep 17 00:00:00 2001
From: Matt Valentine-House <matt@eightbitraptor.com>
Date: Wed, 25 Sep 2024 15:55:38 +0100
Subject: [PATCH] wip

---
 .github/workflows/ubuntu.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 6b58d071107e17..101a70869f6659 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -37,6 +37,10 @@ jobs:
             shared_gc: true
             shared_gc_dir: '/home/runner/ruby_gc'
             configure: '--with-shared-gc=/home/runner/ruby_gc'
+            gc_name: 'default'
+          - test_task: check
+            configure: '--with-shared-gc=/home/runner/ruby_gc'
+            gc_name: 'mmtk'
           - test_task: test-bundler-parallel
             timeout: 50
           - test_task: test-bundled-gems
@@ -100,9 +104,9 @@ jobs:
 
       - name: Build shared GC
         run: >
-          echo "RUBY_GC_LIBRARY=librubygc.default.so" >> $GITHUB_ENV &&
+          echo "RUBY_GC_LIBRARY=librubygc.${{ matrix.gc_name }}.so" >> $GITHUB_ENV &&
           mkdir ${{ matrix.shared_gc_dir }} &&
-          make shared-gc SHARED_GC=default
+          make shared-gc SHARED_GC=${{ matrix.gc_name }}
         if: ${{ matrix.shared_gc }}
 
       - run: $SETARCH make