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-rwxr-xr-xsrc/storage_number.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/storage_number.c b/src/storage_number.c
index fe8e4f1f70..823619e61f 100755
--- a/src/storage_number.c
+++ b/src/storage_number.c
@@ -3,6 +3,8 @@
#endif
#ifdef STORAGE_WITH_MATH
#include <math.h>
+#else
+#warning "You are building without math. math allows accurate calculations. It should be enabled."
#endif
#include "common.h"