1 files changed, 3 insertions, 0 deletions
diff --git a/src/Core.c b/src/Core.c
index 990a683..d30b493 100644
--- a/src/Core.c
+++ b/src/Core.c
@@ -61,6 +61,9 @@ in this Software without prior written authorization from The Open Group.
 
 #define _XT_CORE_C
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include "IntrinsicP.h"
 #include "EventI.h"
 #include "ConvertI.h"