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When building libvirt without libvirtd, we will receive the following error message: make[3]: Entering directory `/home/wency/rpmbuild/BUILD/libvirt-0.9.2/tools' CC virsh-virsh.o CC virsh-console.o GEN virt-xml-validate GEN virt-pki-validate CCLD virsh ./src/.libs/libvirt.so: undefined reference to `numa_available' ./src/.libs/libvirt.so: undefined reference to `numa_max_node' collect2: ld returned 1 exit status The reason is that: we check numactl only when building qemu driver, and qemu driver will not be built when bulding without libvirtd. So with_numactl's value is check and we will not link libnuma.so. In the other function, we call numa_available() and numa_max_node() only when HAVE_NUMACTL is 1. We should do the same check in the function nodeGetMemoryStats().
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>