feat: add plasma-face-unlock

src/core/cvcompat.h

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// OpenCV 5 moved the contour and transform helpers (getPerspectiveTransform,
+// approxPolyDP and friends) out of imgproc into a module of their own. The
+// distributions this builds on ship 4.x and 5.x, so both are included here.
+
+#pragma once
+
+#include <opencv2/core/version.hpp>
+#include <opencv2/imgproc.hpp>
+
+#if CV_VERSION_MAJOR >= 5
+#include <opencv2/geometry.hpp>
+#endif