...(at least the original BOOST_GCC_VERSION part) as Boost 1.69.0
boost/config/workaround.hpp contains

> #ifndef BOOST_GCC
> #define BOOST_GCC_WORKAROUND_GUARD 1
> #define BOOST_GCC_VERSION_WORKAROUND_GUARD 1
> #else
> #define BOOST_GCC_WORKAROUND_GUARD 0
> #define BOOST_GCC_VERSION_WORKAROUND_GUARD 0
> #endif

Change-Id: I7690db147dbe776ff51b94fc9950b890bb290bda
Reviewed-on: https://gerrit.libreoffice.org/67000
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>