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I have downloaded opencv from github. I am following the installation instruction from here. Ubuntu 13.04 64bit system hangs when i run the following command (after 25% complete)

make -j

Additional information:

LSB Version:    core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 13.04
Release:    13.04
Codename:   raring
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1 Answer 1

Found a solution. make -j is not right. It should have some number after j like the following

make -j2

Above command means run 2 make parallely. I have suggested an edit to the writer of opencv wiki.

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