#3489 vtk9itk5wx3-macos

diff --git a/bbtk_creaVtk_PKG/src/bbcreaVtkGrayLevel.cxx b/bbtk_creaVtk_PKG/src/bbcreaVtkGrayLevel.cxx
index 75ae894f1e89c5af3de63f0d9cec244d5c80938d..c80c7ff2fa601b60c4487af9918538331f7a4ab4 100644 (file)
--- a/bbtk_creaVtk_PKG/src/bbcreaVtkGrayLevel.cxx
+++ b/bbtk_creaVtk_PKG/src/bbcreaVtkGrayLevel.cxx
@@ -3,6 +3,8 @@
 //===== 
 #include "bbcreaVtkGrayLevel.h"
 #include "bbcreaVtkPackage.h"
+#include <math.h>
+
 namespace bbcreaVtk
 {