1 files changed, 6 insertions, 0 deletions
diff --git a/libgcobol/common-defs.h b/libgcobol/common-defs.h
index 3e6b5ff..5c35dc7 100644
--- a/libgcobol/common-defs.h
+++ b/libgcobol/common-defs.h
@@ -33,7 +33,11 @@
 #include <cassert>
 #include <cstdio>
 #include <cstdint>
+
+#include <algorithm>
 #include <list>
+#include <set>
+#include <vector>
 
 #include "encodings.h"
 
@@ -125,6 +129,8 @@
  */
 typedef char cbl_name_t[64];
 
+typedef void (callback_t)();
+
 // Note that the field_type enum is duplicated in the source code for the
 // COBOL-aware GDB, and so any changes here (or there) have to be reflected
 // there (or here)