cd /path/to/LIBXC tar -xvf libxc-4.3.0.tar.gz
cd libxc-4.3.0
mkdir /path/to/LIBXC/build cmake -H. -B/path/to/LIBXC/build -DCMAKE_INSTALL_PREFIX=/path/to/LIBXC/install
cd /path/to/LIBXC/build make -j make install