--- UI/CombatReport/GraphicalSummary.cpp	2021-07-10 14:11:25.281161865 -0500
+++ UI/CombatReport/GraphicalSummary.cpp	2021-07-10 14:11:34.010981701 -0500
@@ -409,91 +409,6 @@
         m_y_axis_label->MoveTo(GG::Pt(-m_y_axis_label->MinUsableSize().x / 2 - AXIS_WIDTH, Height()/2 - m_y_axis_label->Height()/2));
     }
 
-    void DrawArrow(GG::Pt begin, GG::Pt end) {
-        double head_width = 5.0;
-        // A vector (math) of the arrow we wish to draw
-        GG::Pt direction = end - begin;
-        double length = sqrt(1.0*(Value(direction.x)*Value(direction.x) +
-                                  Value(direction.y)*Value(direction.y)));
-        if (length == 0) {
-            return;
-        }
-
-        // The point in the main line of the arrow,
-        // paraller to which the head ends
-        //          \.
-        //           \.
-        // --------h-->
-        //           /.
-        //          /.
-        // h is at the handle
-        GG::Pt handle;
-        // How much to move off the handle to get to
-        // the end point of one of the head lines
-        GG::X delta_x;
-        GG::Y delta_y;
-
-        if (direction.x != 0 && direction.y != 0) {
-            // In a skewed arrow we need
-            // a bit of geometry to figure out the head
-            double x = Value(direction.x);
-            double y = Value(direction.y);
-            double normalizer = head_width / sqrt(1 + x*x / (y*y));
-            delta_x = GG::X(normalizer);
-            delta_y = GG::Y(- x / y * normalizer);
-
-            handle = end - GG::Pt((head_width / length) * direction.x, (head_width / length) * direction.y);
-        } else if (direction.x == 0) {
-            // Vertical arrow
-            handle = end;
-            handle.y -= boost::math::sign(Value(direction.y))*GG::Y(head_width);
-            delta_x = GG::X(head_width);
-            delta_y = GG::Y0;
-        } else {
-            //horizontal arrow
-            handle = end;
-            handle.x -= boost::math::sign(Value(direction.x)) * GG::X(head_width);
-            delta_x = GG::X0;
-            delta_y = GG::Y(head_width);
-        }
-
-        GG::Pt left_head = handle;
-        GG::Pt right_head = handle;
-
-        left_head.x += delta_x;
-        left_head.y += delta_y;
-        // The other line is on the opposite side of the handle
-        right_head.x -=  delta_x;
-        right_head.y -= delta_y;
-
-        GG::glColor(GG::CLR_WHITE);
-        glLineWidth(2);
-        glDisable(GL_TEXTURE_2D);
-
-        GG::GL2DVertexBuffer verts;
-        verts.reserve(6);
-        verts.store(Value(begin.x),     Value(begin.y));
-        verts.store(Value(end.x),       Value(end.y));
-        verts.store(Value(end.x),       Value(end.y));
-        verts.store(Value(left_head.x), Value(left_head.y));
-        verts.store(Value(end.x),       Value(end.y));
-        verts.store(Value(right_head.x),Value(right_head.y));
-        verts.activate();
-
-        glDrawArrays(GL_LINES, 0, verts.size());
-
-        glEnable(GL_TEXTURE_2D);
-    }
-
-    void Render() override {
-        // Draw the axes outside th3e client area
-        GG::Pt begin(ClientUpperLeft().x - AXIS_WIDTH/2, ClientLowerRight().y + AXIS_HEIGHT/2);
-        GG::Pt x_end(ClientLowerRight().x, begin.y);
-        GG::Pt y_end(begin.x, ClientUpperLeft().y);
-        DrawArrow(begin, x_end);
-        DrawArrow(begin, y_end);
-    }
-
     void SizeMove(const GG::Pt& ul, const GG::Pt& lr) override {
         GG::Wnd::SizeMove(ul, lr);
         DoLayout();
--- universe/Conditions.cpp	2021-07-10 14:11:05.049579392 -0500
+++ universe/Conditions.cpp	2021-07-10 14:13:39.582389758 -0500
@@ -1,5 +1,6 @@
 #include "Conditions.h"
 
+#include <cfloat>
 #include "../util/Logger.h"
 #include "../util/Random.h"
 #include "../util/i18n.h"