rfarahmand edited a comment on issue #11098: Installation instructions 
MacOS/R/CPU don't work.
URL: 
https://github.com/apache/incubator-mxnet/issues/11098#issuecomment-488112523
 
 
   @sandeep-krishnamurthy 
   
   Hi
   
   I still have problem Installing MXNet from source on OS X (macOS high 
Sierra) when Building the Shared Library. It seems it cannot find opencv2; but 
I have installed using `brew install opencv` I even tried compiling from source 
as recommended above - no luck. I get the error below:
     
   ```
   In file included from src/operator/image/crop.cc:27:
   In file included from src/operator/image/crop-inl.h:35:
   src/operator/image/image_utils.h:32:12: fatal error: 'opencv2/opencv.hpp' 
file not found
     #include <opencv2/opencv.hpp>
              ^~~~~~~~~~~~~~~~~~~~
   1 error generated.
   make: *** [build/src/operator/image/crop.o] Error 1
   make: *** Waiting for unfinished jobs....
   ```
   
   This confirms that I have opencv installed
   
   ```
   MacBook-Pro-75:mxnet rfarahmand$ brew search opencv
   ==> Formulae
   opencv ✔                                                             
opencv@2 ✔                                                           opencv@3 ✔
   ```
   
   
   
   

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