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2017-09-21 08:15:02 -0600 commented question undefined reference to `XRRFreeMonitors'

installation steps I used: git clone https://github.com/Itseez/opencv.git $ cd opencv $ git checkout tags/2.4.7 $ mkdir

2017-09-21 08:04:16 -0600 asked a question undefined reference to `XRRFreeMonitors'

undefined reference to `XRRFreeMonitors' Hi, I was trying to install opencv2.4.7 on CentOS. The following is always gen