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-rw-r--r--backends/platform/symbian/src/portdefs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/backends/platform/symbian/src/portdefs.h b/backends/platform/symbian/src/portdefs.h
index 1c5de2d43c..e8a620475e 100644
--- a/backends/platform/symbian/src/portdefs.h
+++ b/backends/platform/symbian/src/portdefs.h
@@ -35,6 +35,11 @@
#include <e32std.h>
#include <math.h>
+/* define pi */
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif /* M_PI */
+
#define DISABLE_COMMAND_LINE
#if defined(USE_TREMOR) && !defined(USE_VORBIS)