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How to build OpenCV for Xcode 6.1.1 - __cplusplus not defined

asked 2015-02-03 17:45:35 -0500

I'm having an issue running an xcode project with OpenCV. I've followed the instructions on this page to build the OpenCV framework for iOS. Then I followed this tutorial to build a test app.

But when I try to build, it looks like __cplusplus is not defined since

#ifdef __cplusplus
    #import <opencv2/opencv.hpp>
#endif

is not executed.

I can't seem to get my project to compile c++ files that would get this to work. Any pointers would be much appreciated.

I've made sure that my build settings knows of the .pch file, and double checked that the framework was added.

I'm on OS X Yosemite 10.10.1, Xcode 6.1.1, and the type of application I created was Single View Application

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Did you create a cpp project? It seems that your compile doesnt know he needs to build C++ software...

StevenPuttemans gravatar imageStevenPuttemans ( 2015-02-04 03:08:40 -0500 )edit

1 answer

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answered 2015-04-07 06:06:59 -0500

geekay gravatar image

In your Project Settings check the following compilers used. Apple LLVM 6.0 Language - C++

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And

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I hope this helps you.

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Asked: 2015-02-03 17:45:35 -0500

Seen: 468 times

Last updated: Feb 03 '15