# sudo yum install libxml2 libxslt
# sudo yum install cairo cairo-devel cairomm-devel libjpeg-turbo-devel pango pango-devel pangomm pangomm-devel
# sudo yum install eigen3-devel
# tar zxf openbabel-2.4.1.tar.gz
# mkdir build
# cd build
# sudo cmake .. -DCMAKE_INSTALL_PREFIX=/apps/openbabel
# sudo make -j16
# sudo make install