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-rw-r--r--ext/json/ext/generator/generator.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/json/ext/generator/generator.h b/ext/json/ext/generator/generator.h
index d72f71f..f882ea0 100644
--- a/ext/json/ext/generator/generator.h
+++ b/ext/json/ext/generator/generator.h
@@ -45,6 +45,11 @@
#define RSTRING_LEN(string) RSTRING(string)->len
#endif
+/* We don't need to guard objects for rbx, so let's do nothing at all. */
+#ifndef RB_GC_GUARD
+#define RB_GC_GUARD(object)
+#endif
+
/* fbuffer implementation */
typedef struct FBufferStruct {