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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 0711c13a62..11cf9e87ca 100644
--- a/common/scummsys.h
+++ b/common/scummsys.h
@@ -30,6 +30,10 @@
#include "config.h"
#endif
+#ifndef PI
+#define PI 3.14159265358979323846
+#endif
+
#if defined(_MSC_VER)
#define scumm_stricmp stricmp