Is it possible to build Opencv on one OS and install it on another?

asked 2018-06-27 02:30:53 -0600

opencv-newb
31 ●1 ●2

updated 2018-06-27 02:31:13 -0600

Consider I have two OSes, both ubuntu linux. I cloned opencv and opencv_contrib and ran cmake .. and make.

These two steps create the necessary binaries in the folder build.

Now I copy this build folder on another OS and then run make install inside build folder. Will it be able to install these libraries?

I am doing this to get a non-bloated OS which happened when I built it on the first OS.

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Are these both Operating Systems exactly the same?

marcusbarnet ( 2018-06-27 02:58:04 -0600 )edit

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answered 2018-06-29 05:31:30 -0600

kbarni

4134 ●1 ●13 ●49

As long as the architectures are the same (x86, amd64...) and you have the dependencies installed, you can simply recopy the opencv files from the installation folder (/usr/local/...) and run sudo ldconfig.

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maybe it's a good idea to choose a custom install folder, like /home/me/ocv, so you can copy a whole folder to another machine, and don't have to collect the libs / headers / so's / data manually

berak ( 2018-06-29 07:33:27 -0600 )edit

Very good idea! I will use this approach for my cloud account.

holger ( 2018-06-29 08:06:54 -0600 )edit

cloud

before doing anything, find out, if you're root (on the target box) or not. if not so, you probably have to use a custom install location (you're not allowed to manipulate /usr/local) and since you also cannot run ldconfig (needs root priv., too!) you maybe have to build static libs

berak ( 2018-06-29 08:12:18 -0600 )edit

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Is it possible to build Opencv on one OS and install it on another?

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