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Parallella Community • View topic - Unmet dependencies while installing OpenCV

Unmet dependencies while installing OpenCV

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Unmet dependencies while installing OpenCV

Postby nickoppen » Thu Dec 18, 2014 10:32 am

I've been attempting to install OpenCV using methods from a number of different sources. Regardless of what the method is I always seem to get the following:

The following packages have unmet dependencies:
libopencv-dev : Depends: libopencv-objdetect-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-highgui-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-legacy-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-contrib-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-videostab-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-superres-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libopencv-ocl-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libcv-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libhighgui-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
Depends: libcvaux-dev (= 2.4.8+dfsg1-2ubuntu1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

I don't understand how the linux package system works. Is this a problem on my side or is there a database out there somewhere that wired correctly?

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Re: Unmet dependencies while installing OpenCV

Postby 9600 » Thu Dec 18, 2014 1:10 pm

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Re: Unmet dependencies while installing OpenCV

Postby nickoppen » Fri Dec 19, 2014 4:36 am

Thanks Andrew. That did the trick. The only thing that aptitude threw up that seemed to be odd was that one package needed to be downgraded. After I applied that fix it went in ok as far as I can see.

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Re: Unmet dependencies while installing OpenCV

Postby BOBNINO » Sat Mar 14, 2015 6:15 pm

didnt work for me i still get

libgtk2.0-dev : Depends: libpango1.0-dev (>= 1.20) but it is not going to be installed
Depends: libcairo2-dev (>= 1.6.4-6.1) but it is not going to be installed
any suggestions??
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Re: Unmet dependencies while installing OpenCV

Postby 9600 » Sun Mar 15, 2015 4:16 pm

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Re: Unmet dependencies while installing OpenCV

Postby BOBNINO » Sun Mar 15, 2015 11:55 pm

sorry for posting this question in another forum andrew (was desperate), ill try your suggestion and get back to you .
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Re: Unmet dependencies while installing OpenCV

Postby Claggy » Tue Mar 17, 2015 8:41 pm

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