Add compat symlinks

opencv.spec

@@ -338,6 +338,11 @@ ln -s -r %{buildroot}%{_jnidir}/libopencv_java%{javaver}.so %{buildroot}%{_jnidi
 ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/opencv.jar
 %endif
 
+# For compatiblity with downstream expectation
+ln -s opencv4/opencv2 %{buildroot}%{_includedir}
+ln -s opencv4 %{buildroot}%{_datadir}/opencv
+
+
 %check
 # Check fails since we don't support most video
 # read/write capability and we don't provide a display
@@ -361,6 +366,8 @@ popd
 %files
 %doc README.md
 %{_bindir}/opencv_*
+# Symlink for compatibilty with older version
+%{_datadir}/opencv
 %dir %{_datadir}/opencv4
 %{_datadir}/opencv4/haarcascades
 %{_datadir}/opencv4/lbpcascades
@@ -392,6 +399,8 @@ popd
 %endif
 
 %files devel
+# Symlink for compatibilty with older version
+%{_includedir}/opencv2
 %dir %{_includedir}/opencv4
 %{_includedir}/opencv4/opencv2
 %{_libdir}/lib*.so