diff --git a/fbp/cmake.opencv4.sh b/fbp/cmake.opencv4.sh
new file mode 100644
index 0000000..d583d1e
--- /dev/null
+++ b/fbp/cmake.opencv4.sh
@@ -0,0 +1,2 @@
+cmake -D BUILD_opencv_java=OFF -D BUILD_opencv_python=OFF -D BUILD_opencv_python3=OFF -DCMAKE_INSTALL_PREFIX=/opt/opencv  -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-4.x/modules ../
+