Gentoo's Bugzilla –
Attachment 351970 Details for
Bug 474794media-gfx/freecad-0.12.5284-r3 with sci-libs/opencascade-6.6.0 - .../work/FreeCAD-0.12.5284/src/3rdParty/salomesmesh/src/StdMeshers/StdMeshers_RadialPrism_3D.cpp:164:29: error: ‘OuterShell’ is not a member of ‘BRepTools’