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-rw-r--r--common/scummsys.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/common/scummsys.h b/common/scummsys.h
index 74d470f95d..100b69b928 100644
--- a/common/scummsys.h
+++ b/common/scummsys.h
@@ -22,6 +22,10 @@
#ifndef SCUMMSYS_H
#define SCUMMSYS_H
+#ifndef _STDAFX_H
+#error Included scummsys.h without including stdafx.h first!
+#endif
+
#include <stdlib.h>
#include <stdio.h>