The CMAKE_INSTALL_PREFIX is the canonical way to configure the prefix
path (defaults to /usr/local). The cmake system invokes the setup.py
install command, but needs the prefix if it is set - otherwise, use
whatever is default and don't pass the flag at all.
The CMAKE_INSTALL_PREFIX is the canonical way to configure the prefix path (defaults to /usr/local). The cmake system invokes the setup.py install command, but needs the prefix if it is set - otherwise, use whatever is default and don't pass the flag at all.