Try to make gcc happy.

pcbnew/drc/drc_engine.cpp

@@ -475,86 +475,6 @@ void DRC_ENGINE::loadImplicitRules()
 }
 
 
-static wxString formatConstraint( const DRC_CONSTRAINT& constraint )
-{
-    struct FORMATTER
-    {
-        DRC_CONSTRAINT_T type;
-        wxString         name;
-        std::function<wxString(const DRC_CONSTRAINT&)> formatter;
-    };
-
-    auto formatMinMax =
-            []( const DRC_CONSTRAINT& c ) -> wxString
-            {
-                wxString str;
-                const auto value = c.GetValue();
-
-                if ( value.HasMin() )
-                    str += wxString::Format( " min: %d", value.Min() );
-
-                if ( value.HasOpt() )
-                    str += wxString::Format( " opt: %d", value.Opt() );
-
-                if ( value.HasMax() )
-                    str += wxString::Format( " max: %d", value.Max() );
-
-                return str;
-            };
-
-    auto formatMin =
-            []( const DRC_CONSTRAINT& c ) -> wxString
-            {
-                wxString str;
-                const auto value = c.GetValue();
-
-                if ( value.HasMin() )
-                    str += wxString::Format( " min: %d", value.Min() );
-
-                return str;
-            };
-
-    std::vector<FORMATTER> formats =
-    {
-        { CLEARANCE_CONSTRAINT,           "clearance",           formatMinMax },
-        { HOLE_CLEARANCE_CONSTRAINT,      "hole_clearance",      formatMinMax },
-        { HOLE_TO_HOLE_CONSTRAINT,        "hole_to_hole",        formatMinMax },
-        { EDGE_CLEARANCE_CONSTRAINT,      "edge_clearance",      formatMinMax },
-        { HOLE_SIZE_CONSTRAINT,           "hole_size",           formatMinMax },
-        { COURTYARD_CLEARANCE_CONSTRAINT, "courtyard_clearance", formatMinMax },
-        { SILK_CLEARANCE_CONSTRAINT,      "silk_clearance",      formatMinMax },
-        { TEXT_HEIGHT_CONSTRAINT,         "text_height",         formatMinMax },
-        { TEXT_THICKNESS_CONSTRAINT,      "text_thickness",      formatMinMax },
-        { TRACK_WIDTH_CONSTRAINT,         "track_width",         formatMinMax },
-        { ANNULAR_WIDTH_CONSTRAINT,       "annular_width",       formatMinMax },
-        { ZONE_CONNECTION_CONSTRAINT,     "zone_connection",     nullptr      },
-        { THERMAL_RELIEF_GAP_CONSTRAINT,  "thermal_relief_gap",  formatMinMax },
-        { THERMAL_SPOKE_WIDTH_CONSTRAINT, "thermal_spoke_width", formatMinMax },
-        { MIN_RESOLVED_SPOKES_CONSTRAINT, "min_resolved_spokes", formatMin    },
-        { DISALLOW_CONSTRAINT,            "disallow",            nullptr      },
-        { VIA_DIAMETER_CONSTRAINT,        "via_diameter",        formatMinMax },
-        { LENGTH_CONSTRAINT,              "length",              formatMinMax },
-        { SKEW_CONSTRAINT,                "skew",                formatMinMax },
-        { VIA_COUNT_CONSTRAINT,           "via_count",           formatMinMax }
-    };
-
-    for( FORMATTER& fmt : formats )
-    {
-        if( fmt.type == constraint.m_Type )
-        {
-            wxString rv = fmt.name + " ";
-
-            if( fmt.formatter )
-                rv += fmt.formatter( constraint );
-
-            return rv;
-        }
-    }
-
-    return "?";
-}
-
-
 void DRC_ENGINE::loadRules( const wxFileName& aPath )
 {
     if( aPath.FileExists() )