wget http://xmlsoft.org/sources/libxml2-2.9.1.tar.gz
tar -xvf libxml2-2.9.1.tar.gz
cd libxml2-2.9.1
./configure && make && make install
/usr/bin/install: cannot create regular file ‘/usr/local/include/libxml2/libxml/SAX.h’: Permission denied
/usr/bin/install: cannot create regular file ‘/usr/local/include/libxml2/libxml/entities.h’: Permission denied
/usr/bin/install: cannot create regular file ‘/usr/local/include/libxml2/libxml/encoding.h’: Permission denied
./configure &&sudo make &&sudo make install
