Just want to point out that 'libvirt' and 'libvirt-devel' are two different RPM packages - at least they are for CentOS 7.2. You indicate that you are seeing messages about 'libvirt' not being installed. Out of curiosity, have you installed the 'libvirt' package?

In reply to Re: C headers not found when installing Sys::Virt on CentOS by dasgar
in thread C headers not found when installing Sys::Virt on CentOS by chrestomanci

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