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OpenCV 2.4.2 took 6 hours to compile on the Raspberry Pi and I'd love to package everything up as a deb but I have never done that before. How can I package the compiled files so that they download or include the necessary other libraries?

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migrated from raspberrypi.stackexchange.com Aug 22 '12 at 22:22

This question came from our site for users and developers of hardware and software for Raspberry Pi.

Is this more a Linux specific question rather than a Pi related one? Maybe better asking on Debain about it? –  ppumkin Aug 22 '12 at 16:32
Hi there. Since this is generic Debian, would you mind if I moved this to Ask Ubuntu or Unix & Linux? –  Jivings Aug 22 '12 at 17:15
@Jivings I think it is PI related since I don't know anything about hard float vs soft float and I know there are caveats with Pi regarding that. If there is a general consensus that someone there could help answer this question I have no problem with it being moved –  onlinemarketresults Aug 22 '12 at 17:59

2 Answers 2

up vote 3 down vote accepted

If by OpenCV you mean the computer vision libraries at http://opencv.willowgarage.com/ then they are already packaged for debian by the Debian Science Team.

Your best bet is to download the debianised source package from your nearest debian mirror, modify the debian/rules and/or Makefile or configure etc as needed to compile correctly on the raspberry pi and rebuild the packages.

The packaging work is already done, there's no need to do it again....and again and again every time your want to update them.

There's a whole bunch of binary packages, but libopencv-dev is probably what you want to start with http://packages.debian.org/search?keywords=libopencv-dev

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Will the published packages work on an ARM architecture like the Raspberry Pi? I wish I better understood packages and dependencies but it would seem to me that unless willowgarage released a package specifically for the processor in the Raspberry Pi then their packages will not work. –  Dan B Aug 27 '12 at 14:03
You must have misread what I wrote. I said to download the debian SOURCE packages and recompile for Raspberry Pi. 'onlinemarketresults' already has a RPi compilation (or cross-compilation) environment set up and knows how to compile for RPi, he just wanted to know how to make a package. –  cas Aug 27 '12 at 21:56

This page should have all of the information and tutorials you need: http://wiki.debian.org/Packaging

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