HowTo: Install Collabora Online on Ubuntu 16.04. (without Docker!)

Hi Husisusi,
During the installation I got this error message:
/opt/libreoffice/cppuhelper/source/component_context.cxx: In member function β€˜virtual void cppu::ComponentContext::disposing()’:

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:17: error: expected unqualified-id before β€˜[’ token

 for ( auto& [rName, rEntry] : m_map )

             ^

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:17: error: expected β€˜;’ before β€˜[’ token

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:18: error: β€˜rName’ was not declared in this scope

 for ( auto& [rName, rEntry] : m_map )

              ^

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:25: error: β€˜rEntry’ was not declared in this scope

 for ( auto& [rName, rEntry] : m_map )

                     ^

/opt/libreoffice/cppuhelper/source/component_context.cxx: In lambda function:

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:33: error: expected β€˜{’ before β€˜:’ token

 for ( auto& [rName, rEntry] : m_map )

                             ^

/opt/libreoffice/cppuhelper/source/component_context.cxx: In member function β€˜virtual void cppu::ComponentContext::disposing()’:

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:33: error: expected β€˜;’ before β€˜:’ token

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:33: error: expected primary-expression before β€˜:’ token

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:33: error: expected β€˜)’ before β€˜:’ token

/opt/libreoffice/cppuhelper/source/component_context.cxx:394:33: error: expected primary-expression before β€˜:’ token

/opt/libreoffice/solenv/gbuild/LinkTarget.mk:291: recipe for target β€˜/opt/libreoffice/workdir/CxxObject/cppuhelper/source/component_context.o’ failed

Makefile:286: recipe for target β€˜build’ failed

make[1]: *** [/opt/libreoffice/workdir/CxxObject/cppuhelper/source/component_context.o] Error 1

make: *** [build] Error 2

Would you be so kind to help me ?

Details:
OS: Ubuntu 16.04
RAM: 7gb

Thank in advance.