Update for D3078, I think it should be fixed

Benefits:

• after installing python 3.7 with ./build_files/build_environment/install_deps.sh, user will be able to run make bpy without linking error:
  • https://blender.stackexchange.com/questions/102933/a-working-guidance-for-building-blender-as-bpy-python-module
  • https://stackoverflow.com/questions/36779834/compiling-blender-bpy-recompile-with-fpic

To prevent errors like /opt/lib/python-3.7.4/bin/python3.7: error while loading shared libraries: libpython3.7m.so.1.0: cannot open shared object file: No such file or directory, add python .so lib to ldconfig