[yocto] Compiling OpenCV with CUDA support.

[Dalton Fury]

I have been trying to compile OpenCV 3.0 with CUDA support on a NVidia
Jetson TK1 (which supports CUDA). According to the OpenCV docs:

"To enable CUDA support, configure OpenCV using CMake with WITH_CUDA=ON .
When the flag is set and if CUDA is installed, the full-featured OpenCV
CUDA module is built. Otherwise, the module is still built but at runtime
all functions from the module throw Exception
<http://docs.opencv.org/3.0-beta/modules/core/doc/utility_and_system_functions_and_macros.html#Exception%20:%20public%20std::exception>
 "

So CUDA is a build time dependency for OpenCV. Cuda libraries are provided
by Nvidia in binary form via .deb files. So what I did was to make recipes
that installs the binaries from the .deb files. I wrote them in such a way
that all other binaries are dependencies (DEPENDS) of cuda-toolkit-6-5 so
that when I install cuda-toolkit-6-5, every library associated with CUDA
gets installed.

I then made cuda-toolkit-6-5 a build dependency (DEPENDS) of opencv, and
added the -WITH_CUDA=ON cmake flag. But still when I inspect the
do_configure logs of OpenCV, I find that CUDA support has not been turned
on.

I am guessing that FindCUDA.cmake is not finding the binaries installed by
cuda-toolkit-6-5.

How do I fix this? Or were do I check for the problem?


Here are the recipes I wrote for installing CUDA binaries:
https://github.com/daltonfury42/meta-yocto-jetson-mylayer/tree/master/recipes-cuda/cuda

Here is the recipe that I used for OpenCV which is a modification of the
one from meta-oe:
https://github.com/daltonfury42/meta-yocto-jetson-mylayer/blob/master/recipes-opencv/opencv/opencv_3.0.bb


Here is the do_configure log: https://paste.ubuntu.com/15042198/
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