building on OS X 10.9 about mrpt HOT 3 CLOSED

Thanks for the pointer: the patch for CLang is not in master.

On the linking error, I can only give these ideas:

• Build with: "VERBOSE=1 make" to see the full linker command line.
• Perhaps you have 2 conflicting versions of OpenCV in the system?
• This is not a solution, but if you don't need OpenCV in MRPT you can just check the (advanced option) DISABLE_OpenCV in CMake.

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OK, the problem with linking was due to the fact that in OS X 10.9 standard library has changed to libc++ (whereas it is forces to be libstdc++ in mrpt). There are still some problems after that, which can be fixed by using a newer version of octomap, and substituting GNU extensions with something else (it might be a good idea not to use those at all to make the library cross-compiler compatible).
But then, I was not able to compile the hw library and some of the apps, though the tests for the libraries that do not depend on that passed OK.

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Could you please attach a patch with the fixes you had to make? Thanks.

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