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-rw-r--r--contrib/t1ha/t1ha.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/contrib/t1ha/t1ha.h b/contrib/t1ha/t1ha.h
index 85deb8971..c41f5c529 100644
--- a/contrib/t1ha/t1ha.h
+++ b/contrib/t1ha/t1ha.h
@@ -42,6 +42,11 @@
#define T1HA_INCLUDED
#include "config.h"
#include <string.h>
+#include <stddef.h>
+
+#ifndef __has_builtin
+#define __has_builtin(x) (0)
+#endif
#ifdef BYTE_ORDER
#ifndef __ORDER_LITTLE_ENDIAN__