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-rw-r--r--gis/saga-gis/README3
1 files changed, 2 insertions, 1 deletions
diff --git a/gis/saga-gis/README b/gis/saga-gis/README
index 9fba69678b..63e9c2f314 100644
--- a/gis/saga-gis/README
+++ b/gis/saga-gis/README
@@ -10,7 +10,8 @@ SAGA can use these optional dependencies: libharu, postgresql and qhull. SAGA
currently does not build when vigra is installed.
To enable opencv, set OPENCV=ON. By default OpenCV is disabled since SAGA does
-not build when OpenCV version 4 or greater is installed.
+not build when opencv version 4 or greater is installed. For a compatible
+version of OpenCV, use the opencv-legacy SlackBuild.
If SAGA fails to run after an upgrade, uninstall old versions of SAGA before
compilation.