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-rw-r--r--libguile/scm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libguile/scm.h b/libguile/scm.h
index 9dee8fc95..9996ec47b 100644
--- a/libguile/scm.h
+++ b/libguile/scm.h
@@ -824,6 +824,9 @@ typedef struct scm_dynamic_state scm_t_dynamic_state;
typedef struct scm_print_state scm_print_state;
typedef struct scm_dynstack scm_t_dynstack;
typedef int32_t scm_t_wchar;
+struct scm_frame;
+struct scm_vm;
+union scm_vm_stack_element;