From a897c364055ad1328c2162830747da556a8a9aa2 Mon Sep 17 00:00:00 2001 From: Ron Evans Date: Wed, 13 Mar 2019 18:12:24 +0100 Subject: [PATCH] docs: mention Makefile task for non-free contrib modules Signed-off-by: Ron Evans --- contrib/README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/contrib/README.md b/contrib/README.md index 1961ec7f..078ef1a4 100644 --- a/contrib/README.md +++ b/contrib/README.md @@ -27,3 +27,5 @@ Then you will be able to use the functions within the `contrib` subpackage. For si := contrib.NewSIFT() kp := si.Detect(img) ``` + +Note that some of the features in this package require building OpenCV with the `OPENCV_ENABLE_NONFREE=ON` option. You can run `make build_nonfree` to build with this option.