opencv: fix building with PACKAGECONFIG "dnn" enabled.

Dependency "lapack" isn't available in meta-openembedded and it doesn't
cause a build error, so drop it. Fix buidling dnn module by backporting
a patch from opencv-contrib.

Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta-oe/recipes-support/opencv/opencv_3.2.bb b/meta-oe/recipes-support/opencv/opencv_3.2.bb
index b6db37dd8..535c761fa 100644
--- a/meta-oe/recipes-support/opencv/opencv_3.2.bb
+++ b/meta-oe/recipes-support/opencv/opencv_3.2.bb
@@ -31,6 +31,7 @@ SRC_URI = "git://github.com/opencv/opencv.git;name=opencv \
     file://0002-Revert-check-FP16-build-condition-correctly.patch \
     file://0001-Make-opencv-ts-create-share-library-intead-of-static.patch \
     file://0001-To-fix-errors-as-following.patch \
+    file://0001-tracking-make-opencv_dnn-dependancy-optional.patch;patchdir=../contrib/ \
 "
 
 PV = "3.2+git${SRCPV}"
@@ -63,7 +64,7 @@ PACKAGECONFIG ??= "python3 eigen jpeg png tiff v4l libv4l gstreamer samples tbb
 
 PACKAGECONFIG[amdblas] = "-DWITH_OPENCLAMDBLAS=ON,-DWITH_OPENCLAMDBLAS=OFF,libclamdblas,"
 PACKAGECONFIG[amdfft] = "-DWITH_OPENCLAMDFFT=ON,-DWITH_OPENCLAMDFFT=OFF,libclamdfft,"
-PACKAGECONFIG[dnn] = "-DBUILD_opencv_dnn=ON -DUPDATE_PROTO_FILES=ON -DBUILD_PROTOBUF=OFF,-DBUILD_opencv_dnn=OFF,lapack protobuf protobuf-native,"
+PACKAGECONFIG[dnn] = "-DBUILD_opencv_dnn=ON -DUPDATE_PROTO_FILES=ON -DBUILD_PROTOBUF=OFF,-DBUILD_opencv_dnn=OFF,protobuf protobuf-native,"
 PACKAGECONFIG[eigen] = "-DWITH_EIGEN=ON,-DWITH_EIGEN=OFF,libeigen gflags glog,"
 PACKAGECONFIG[freetype] = "-DBUILD_opencv_freetype=ON,-DBUILD_opencv_freetype=OFF,freetype,"
 PACKAGECONFIG[gphoto2] = "-DWITH_GPHOTO2=ON,-DWITH_GPHOTO2=OFF,libgphoto2,"