** You may still have 'minfx' installation problems when compiling the C modules if multiple Python version are present. So it is recommended to open the '''/usr/local/bin/scons''' file and change the first line from '''/usr/bin/env python''' to '''/usr/local/bin/python''' so that the correct Python version is used. Alternatively you change your PATH environmental variable to have '''/usr/local/bin/''' at the start. SCons is always an issue when multiple Python versions are installed.
==== Multiple Python versions ====
For more details, see [[Multiple Python versions]].
Now you will need to check that the correct Python and SCons versions are used when running relax or compiling the C modules. This can be checked by typing the following: