1 files changed, 10 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index b452b0b1ef..fa64dc3caa 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1436,6 +1436,16 @@ proc_long_options(ruby_cmdline_options_t *opt, const char *s, long argc, char **
         set_source_encoding_once(opt, s, 0);
     }
 #endif
+#if defined(USE_SHARED_GC) && USE_SHARED_GC
+    else if (is_option_with_arg("gc-library", Qfalse, Qfalse)) {
+        // no-op
+        // Handled by ruby_load_external_gc_from_argv
+
+        if (!dln_supported_p()) {
+            rb_warn("--gc-library is ignored because this executable file can't load extension libraries");
+        }
+    }
+#endif
     else if (strcmp("version", s) == 0) {
         if (envopt) goto noenvopt_long;
         opt->dump |= DUMP_BIT(version);