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-rw-r--r--spec/ruby/optional/capi/ext/class_under_autoload_spec.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/ext/class_under_autoload_spec.c b/spec/ruby/optional/capi/ext/class_under_autoload_spec.c
index 120dec7327..e0b1f249c0 100644
--- a/spec/ruby/optional/capi/ext/class_under_autoload_spec.c
+++ b/spec/ruby/optional/capi/ext/class_under_autoload_spec.c
@@ -1,5 +1,13 @@
#include "ruby.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
void Init_class_under_autoload_spec(void) {
rb_define_class_under(rb_cObject, "ClassUnderAutoload", rb_cObject);
}
+
+#ifdef __cplusplus
+}
+#endif