build arrayfire osx ci

This seems to be a problem when compiling with CMake 3.6. CMake 3.5.2 did not require the framework flag. I wonder what changed to cause this issue.

I am actually using CMake 3.5.2 and it was needed on my end. There must be something else different between my system and yours. See original issue report #1496.

Thats odd. It's working with 3.6 now as well. All I did was switch between cmake versions using brew

brew switch cmake 3.5.2
# rebuild
brew switch cmake 3.6.0_1
# rebuild

I don't understand what could cause this. Can you try the previous steps and see if it helps?