Ensuring right version of gcc is used when building packages that use CUDA

[smgutstein]

I'm not entirely certain this is the best place for this comment, but it was the best I found.

When first trying to install openbr, from source on an Ubuntu 13.04 system with an Nvidia graphics card, I ran into a problem when installing OpenCV. Apparently, CUDA does not support (as of 6/13/13) gcc4.7. So, before running the cmake cmd, I used update-alternatives to temporarily let gcc4.6 be the compiler version used to build Opencv.

Hope this helps ......

[jklontz]

GCC 4.6 should work fine, I just tested 4.7 as it was the default on Ubuntu
13.04. OpenBR doesn't use the opencv GPU module anyway, so there are
probably many ways to get around any GPU issues.
-Josh
On 15 Jun 2013 23:38, "smgutstein" notifications@github.com wrote:

I'm not entirely certain this is the best place for this comment, but it
was the best I found.

When first trying to install openbr, from source on an Ubuntu 13.04 system
with an Nvidia graphics card, I ran into a problem when installing OpenCV.
Apparently, CUDA does not support (as of 6/13/13) gcc4.7. So, before
running the cmake cmd, I used update-alternatives to temporarily let gcc4.6
be the compiler version used to build Opencv.

Hope this helps ......

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