Gentoo's Bugzilla –
Attachment 385160 Details for
Bug 522178app-office/libreoffice-4.2.6.2 with dev-libs/boost-1.56.0 - .../work/libreoffice-4.2.6.2/canvas/source/vcl/spritecanvashelper.cxx:581:96: error: use of deleted function ‘void boost::cref(const T&&) [with T = basegfx::B2DPoint]’