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-rw-r--r--scribus/sclimits.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/scribus/sclimits.h b/scribus/sclimits.h
index 258dbba..2c3eea2 100644
--- a/scribus/sclimits.h
+++ b/scribus/sclimits.h
@@ -8,7 +8,9 @@ for which a new license (GPL+exception) is in place.
#define SCLIMITS_H
#if defined(_MSC_VER)
-#define _USE_MATH_DEFINES
+#if !defined(_USE_MATH_DEFINES)
+ #define _USE_MATH_DEFINES
+#endif
#define NOMINMAX
#endif