diff --git a/3d-models.cpp b/3d-models.cpp
index 15c20f0b..fde3bb56 100644
--- a/3d-models.cpp
+++ b/3d-models.cpp
@@ -7,6 +7,8 @@
 
 namespace hr {
 
+#if MAXMDIM >= 4
+
 #define S (scalefactor / 0.805578)
 #define SH (scalefactor / 0.805578 * geom3::height_width / 1.5)
 
@@ -858,5 +860,6 @@ void make_3d_models() {
 
 #undef S
 #undef SH
+#endif
 
 }
diff --git a/barriers.cpp b/barriers.cpp
index 47375e9f..d7625766 100644
--- a/barriers.cpp
+++ b/barriers.cpp
@@ -734,6 +734,7 @@ void buildCrossroads2(cell *c) {
     }
   }
 
+#if MAXMDIM >= 4
 void extend3D(cell *c) {
   eLand l1 = c->land;
   c->barleft = NOWALLSEP_USED;
@@ -812,13 +813,16 @@ bool buildBarrier3D(cell *c, eLand l2, int forced_dir) {
   built = true;
   return true;
   }
+#endif
 
 bool buildBarrierNowall(cell *c, eLand l2, int forced_dir) {
 
+  #if MAXMDIM >= 4
   // 3D binary tilings create walls using their own methods
   if(DIM == 3 && binarytiling) return false;
 
   if(DIM == 3 && hyperbolic) return buildBarrier3D(c, l2, forced_dir);
+  #endif
 
   if(c->land == laNone) {
     printf("barrier nowall! [%p]\n", c);
diff --git a/basegraph.cpp b/basegraph.cpp
index 6e066928..5f090a0b 100644
--- a/basegraph.cpp
+++ b/basegraph.cpp
@@ -686,6 +686,8 @@ void resetGL() {
     delete glfont[i];
     glfont[i] = NULL;
     }
+#endif
+#if MAXMDIM >= 4
   if(floor_textures) {
     delete floor_textures;
     floor_textures = NULL;
diff --git a/bigstuff.cpp b/bigstuff.cpp
index 10d0dc98..1bd2cd76 100644
--- a/bigstuff.cpp
+++ b/bigstuff.cpp
@@ -40,7 +40,9 @@ int celldistAltRelative(cell *c) {
   #if CAP_CRYSTAL
   if(geometry == gCrystal) return crystal::dist_relative(c);
   #endif
+  #if MAXMDIM >= 4
   if(euclid && DIM == 3) return euclid3::dist_relative(c);
+  #endif
   if(euwrap) return celldistAlt(c) - roundTableRadius(c);
   if(sphere || quotient) {
     return celldist(c) - 3;
@@ -586,6 +588,7 @@ void buildEquidistant(cell *c) {
   
   if(c->land == laEndorian) {
     int ct = c->type;
+    #if CAP_BT
     if(binarytiling) {
       int skip = geometry == gHoroRec ? 3 : 2;
       if(c->landparam == 1) 
@@ -603,7 +606,10 @@ void buildEquidistant(cell *c) {
         c->landflags = 1;
       if(c->landflags) c->wall = (DIM == 3 ? waTrunk3 : waTrunk);
       }
-    else if(DIM == 3 && hyperbolic) {
+    else 
+    #endif
+    #if MAXMDIM >= 4
+    if(DIM == 3 && hyperbolic) {
       if(c->landparam == 1) 
         c->landflags = (hrand(100) < 20);
       else if(S7 == 12) {
@@ -655,7 +661,9 @@ void buildEquidistant(cell *c) {
         }
       if(c->landflags) c->wall = waTrunk3;
       }
-    else if(c->landparam == 1 && ctof(c)) {
+    else
+    #endif
+    if(c->landparam == 1 && ctof(c)) {
       for(int i=0; i<ct; i++) {
         int i1 = (i+1) % c->type;
         if(c->move(i) && c->move(i)->land != laEndorian && c->move(i)->land != laNone)
@@ -1462,7 +1470,9 @@ void buildCamelot(cell *c) {
   }
 
 int masterAlt(cell *c) {
+  #if MAXMDIM >= 4
   if(DIM == 3 && hyperbolic) return reg3::altdist(c->master);
+  #endif
   return c->master->alt->distance;
   }
 
diff --git a/binary-tiling.cpp b/binary-tiling.cpp
index 6883ff60..308d4de6 100644
--- a/binary-tiling.cpp
+++ b/binary-tiling.cpp
@@ -206,6 +206,7 @@ namespace binary {
           breakhere();
           return NULL;
           }
+        #if MAXMDIM >= 4
         case gBinary3: {
           switch(d) {
             case 0: case 1:
@@ -311,7 +312,7 @@ namespace binary {
               return path(h, 12, (z+1)%3+3, {13, z+6});
             }
           }
-        
+        #endif
         default: ;
         }
       printf("error: case not handled in binary tiling\n");
@@ -758,7 +759,6 @@ int celldistance3(heptagon *c1, heptagon *c2) {
   }
 
 int celldistance3(cell *c1, cell *c2) { return celldistance3(c1->master, c2->master); }
-#endif
 
 void virtualRebaseSimple(heptagon*& base, transmatrix& at) {
 
@@ -791,6 +791,7 @@ void virtualRebaseSimple(heptagon*& base, transmatrix& at) {
     return;
     }
   }
+#endif
 
 
   }
diff --git a/cell.cpp b/cell.cpp
index c043f438..c3640223 100644
--- a/cell.cpp
+++ b/cell.cpp
@@ -224,13 +224,19 @@ void initcells() {
   #if CAP_ARCM
   else if(archimedean) currentmap = arcm::new_map();
   #endif
+  #if MAXMDIM >= 4
   else if(euclid && DIM == 3) currentmap = euclid3::new_map();
+  #endif
   else if(fulltorus) currentmap = new hrmap_torus;
   else if(euclid) currentmap = new hrmap_euclidean;
+  #if MAXMDIM >= 4
   else if(DIM == 3 && !binarytiling) currentmap = reg3::new_map();
+  #endif
   else if(sphere) currentmap = new hrmap_spherical;
   else if(quotient) currentmap = new quotientspace::hrmap_quotient;
+  #if CAP_BT
   else if(binarytiling) currentmap = binary::new_map();
+  #endif
   else currentmap = new hrmap_hyperbolic;
   
   allmaps.push_back(currentmap);
@@ -436,10 +442,10 @@ int celldistAlt(cell *c) {
   if(sphere || quotient) {
     return celldist(c) - 3;
     }
-  #if MAXMDIM == 4
+  #if MAXMDIM >= 4
   if(euclid && DIM == 3) return euclid3::dist_alt(c);
-  #endif
   if(hyperbolic && DIM == 3) return reg3::altdist(c->master);
+  #endif
   if(!c->master->alt) return 0;
   #if CAP_IRR
   if(IRREGULAR) return irr::celldist(c, true);
@@ -869,11 +875,13 @@ int celldistance(cell *c1, cell *c2) {
   if(binarytiling && DIM == 3) 
     return binary::celldistance3(c1, c2);
   #endif
-
+  
+  #if MAXMDIM >= 4
   if(euclid && DIM == 3) 
     return euclid3::celldistance(c1, c2);
   
   if(hyperbolic && DIM == 3) return reg3::celldistance(c1, c2);
+  #endif
 
   return hyperbolic_celldistance(c1, c2);
   }
diff --git a/config.cpp b/config.cpp
index a89be97c..f59e5ade 100644
--- a/config.cpp
+++ b/config.cpp
@@ -879,7 +879,8 @@ void configureOther() {
   dialog::addBoolItem_action(XLAT("skip the start menu"), vid.skipstart, 'm');
 
   dialog::addBoolItem_action(XLAT("forget faraway cells"), memory_saving_mode, 'y');
-
+  
+  #if CAP_AUDIO
   if(CAP_AUDIO) {
     dialog::addSelItem(XLAT("background music volume"), its(musicvolume), 'b');
     dialog::add_action([] {
@@ -908,6 +909,7 @@ void configureOther() {
       dialog::bound_up(MIX_MAX_VOLUME);
       });
     }
+  #endif
 
   menuitem_sightrange('r');
 
@@ -1228,6 +1230,7 @@ void show3D() {
     dialog::addBreak(50);
     dialog::addSelItem(XLAT("projection"), current_proj_name(), 'M');
     }
+  #if MAXMDIM >= 4
   if(DIM == 3) add_edit_fov('f');
   if(DIM == 3) {
     dialog::addSelItem(XLAT("radar size"), fts3(vid.radarsize), 'r');
@@ -1259,6 +1262,7 @@ void show3D() {
         };
       });
     }
+  #endif
   
   dialog::addBreak(50);
   #if CAP_RUG
diff --git a/geom-exp.cpp b/geom-exp.cpp
index b1a4e08e..5948c8b4 100644
--- a/geom-exp.cpp
+++ b/geom-exp.cpp
@@ -604,8 +604,10 @@ void showEuclideanMenu() {
 
   dialog::add_action_push([] { ge_select_tiling(quotientlist); });
 
+  #if MAXMDIM >= 4
   dialog::addSelItem(XLAT("dimension"), its(DIM), 'd');
   dialog::add_action_push([] { ge_select_tiling(list3d); });
+  #endif
   
   #if CAP_IRR
   if(hyperbolic && IRREGULAR) {
diff --git a/geometry2.cpp b/geometry2.cpp
index 8eb0bce3..e7da7536 100644
--- a/geometry2.cpp
+++ b/geometry2.cpp
@@ -213,27 +213,33 @@ transmatrix calc_relative_matrix_help(cell *c, heptagon *h1) {
 struct horo_distance {
   ld a, b;
   horo_distance(hyperpoint h1) {
+    #if CAP_BT
     if(binarytiling) {
       b = intval(h1, C0);
       a = abs(binary::horo_level(h1));
       }
     else
+    #endif
       a = 0, b = intval(h1, C0);
     }
   horo_distance(hyperpoint h1, const transmatrix& T) {
+    #if CAP_BT
     if(binarytiling) {
       hyperpoint ih1 = inverse(T) * h1;
       b = intval(ih1, C0);
       a = abs(binary::horo_level(ih1));
       }
     else
+  #endif
       a = 0, b = intval(h1, tC0(T));
     }
   bool operator < (const horo_distance z) {
+    #if CAP_BT
     if(binarytiling) {
       if(a < z.a-1e-6) return true;
       if(a > z.a+1e-6) return false;
       }
+    #endif
     return b < z.b - 1e-4;
     }
   };
diff --git a/graph.cpp b/graph.cpp
index a9b2ae48..d05c0e94 100644
--- a/graph.cpp
+++ b/graph.cpp
@@ -4961,14 +4961,17 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
 
       char xch = winf[c->wall].glyph;
       
+      #if MAXMDIM >= 4
       if(DIM == 3) {
         color_t dummy;        
         if(isWall3(c, wcol)) {
           color_t wcol2 = wcol;
+          #if CAP_TEXTURE
           if(texture::config.tstate == texture::tsActive) wcol2 = texture::config.recolor(wcol);
+          #endif
 
           int d = (wcol & 0xF0F0F0) >> 4;
-
+          
           for(int a=0; a<c->type; a++)
             if(c->move(a) && !isWall3(c->move(a), dummy)) {
               if(a < 4 && pmodel == mdPerspective && among(geometry, gHoroTris, gBinary3) && celldistAlt(c) >= celldistAlt(viewctr.at->c7)) continue;
@@ -5033,6 +5036,9 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
         if(rd == 2) 
           queuepoly(face_the_player(V), shLoveRing, darkena(0x402030, 0, 0xFF));
         }
+      #else
+      if(0) ;
+      #endif
       
       else switch(c->wall) {
       
@@ -6681,8 +6687,10 @@ auto graphcm = addHook(clearmemory, 0, [] () {
   });
 
 void resetGeometry() {
+  #if MAXMDIM >= 4
   if(DIM == 3 && !floor_textures)
     make_floor_textures();
+  #endif
   precalc();
 #if CAP_FIELD
   if(hyperbolic && &currfp != &fieldpattern::fp_invalid) currfp.analyze();
diff --git a/hyper.h b/hyper.h
index 9a930c66..4d4e97b9 100644
--- a/hyper.h
+++ b/hyper.h
@@ -1300,8 +1300,10 @@ namespace mapeditor {
   
   extern cell *drawcell;
   void initdraw(cell *c); 
+  #if CAP_EDIT
   void showMapEditor();
   void showDrawEditor();
+  #endif
   
   enum eShapegroup { sgPlayer, sgMonster, sgItem, sgFloor, sgWall };
   static const int USERSHAPEGROUPS = 5;
diff --git a/hypgraph.cpp b/hypgraph.cpp
index 1218a890..97e05ca6 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -1174,8 +1174,10 @@ void optimizeview() {
       int i1 = i * DUALMUL;
       heptagon *h2 = createStep(viewctr.at, i1);
       transmatrix T = currentmap->relative_matrix(h2, viewctr.at);
+      #if MAXMDIM >= 4
       if(euclid && DIM == 3)
         T = euclid3::move_matrix(viewctr.at->c7, i);
+      #endif
       hyperpoint H = View * tC0(T);
       ld quality = hdist0(H);
       if(quality < best) best = quality, turn = i1, TB = T;
@@ -1637,6 +1639,7 @@ namespace dq {
     drawqueue.emplace(h, T, band_shift);
     }  
 
+  #if MAXMDIM >= 4
   set<int> visited_by_matrix;
   void enqueue_by_matrix(heptagon *h, const transmatrix& T) {
     if(!h) return;
@@ -1645,6 +1648,7 @@ namespace dq {
     visited_by_matrix.insert(b);
     drawqueue.emplace(h, T, band_shift);
     }
+  #endif
   }
 
 bool do_draw(cell *c) {
diff --git a/landgen.cpp b/landgen.cpp
index 275d24f1..4a52f5af 100644
--- a/landgen.cpp
+++ b/landgen.cpp
@@ -426,8 +426,10 @@ void giantLandSwitch(cell *c, int d, cell *from) {
           }
         else if(DIM == 3 && hyperbolic && !binarytiling)
           c->wall = (c->master->zebraval & 1) ? waCavewall : waCavefloor;
+        #if MAXMDIM >= 4
         else if(euclid && DIM == 3)
           c->wall = euclid3::get_emerald(c) ? waCavewall : waCavefloor;
+        #endif
         else if(euclid) {
           int x, y;
           tie(x,y) = cell_to_pair(c);
diff --git a/menus.cpp b/menus.cpp
index 0a13f3f4..4a212641 100644
--- a/menus.cpp
+++ b/menus.cpp
@@ -417,6 +417,7 @@ void showCreative() {
   gamescreen(3);
   dialog::init(XLAT("creative mode"));
 
+#if CAP_EDIT
   dialog::addItem(XLAT("map editor"), 'm');
   dialog::add_action([] {
     if(tactic::on) 
@@ -431,6 +432,7 @@ void showCreative() {
       addMessage(XLAT("You activate your terraforming powers!"));
       });
     });
+#endif
 
 #if CAP_EDIT
   dialog::addItem(XLAT("vector graphics editor"), 'g');
@@ -448,11 +450,15 @@ void showCreative() {
     }
 #endif
 
+  #if CAP_SHOT
   dialog::addItem(XLAT("screenshots"), 's');
   dialog::add_action_push(shot::menu);
+  #endif
      
+  #if CAP_ANIMATIONS
   dialog::addBoolItem(XLAT("animations"), anims::any_on(), 'a');
   dialog::add_action_push(anims::show);
+  #endif
 
   dialog::addBoolItem(XLAT("history mode"), conformal::on || conformal::includeHistory, 'h');
   dialog::add_action_push(conformal::history_menu);
diff --git a/polygons.cpp b/polygons.cpp
index 1fa12c2e..5fbe3d85 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -568,7 +568,9 @@ void glapplymatrix(const transmatrix& V) {
 
 int global_projection;
 
+#if MAXMDIM >= 4
 extern renderbuffer *floor_textures;
+#endif
 
 void dqi_poly::gldraw() {
   auto& v = *tab;
@@ -1963,6 +1965,7 @@ void pushShape(usershapelayer& ds) {
   
   if(DIM == 2) hpcpush(T * ds.list[0]);
 
+  #if MAXMDIM >= 4
   if(DIM == 3) {
     auto& utt = user_triangles_texture;
     utt.texture_id = floor_textures->renderedTexture;
@@ -1975,6 +1978,7 @@ void pushShape(usershapelayer& ds) {
         utt.tvertices.push_back(glhr::makevertex(-1, factor, 0));
       }
     }
+  #endif
   }
 
 ld gsca() { return 1; }
@@ -2681,7 +2685,9 @@ void configure_floorshapes() {
   generate_floorshapes();  
   }
 
+#if MAXMDIM >= 4
 extern void make_3d_models();
+#endif
 
 void buildpolys() {
  
@@ -3098,7 +3104,9 @@ void buildpolys() {
   bshape(shBead1, PPR(20), 1, 251);
   bshape(shArrow, PPR::ARROW, 1, 252);
   
+  #if MAXMDIM >= 4
   make_3d_models();
+  #endif
   
   bshapeend();
 
diff --git a/reg3.cpp b/reg3.cpp
index b8a64e04..d4524a8f 100644
--- a/reg3.cpp
+++ b/reg3.cpp
@@ -962,6 +962,7 @@ int dist_alt(cell *c) {
 // Construct a cellwalker in direction j from cw.at, such that its direction is as close
 // as possible to cw.spin. Assume that j and cw.spin are adjacent
 
+#if MAXMDIM >= 4
 cellwalker strafe(cellwalker cw, int j) {
   hyperpoint hfront = tC0(adjmoves[cw.spin]);
   transmatrix T = currentmap->relative_matrix(cw.at->cmove(j)->master, cw.at->master);
@@ -971,7 +972,7 @@ cellwalker strafe(cellwalker cw, int j) {
   println(hlog, "incorrect strafe");
   exit(1);
   }
-
 }
+#endif
 }
 
diff --git a/rogueviz-cvl.cpp b/rogueviz-cvl.cpp
index ef3a8537..c74a3a29 100644
--- a/rogueviz-cvl.cpp
+++ b/rogueviz-cvl.cpp
@@ -3,7 +3,7 @@
 // https://github.com/zenorogue/newconformist (see the option '-cvl')
 
 namespace hr {
-
+#if CAP_SHOT
 struct location {
   transmatrix lView;
   heptspin lviewctr;
@@ -106,7 +106,7 @@ int readArgs() {
   }
 
 auto magichook = addHook(hooks_args, 100, readArgs) + addHook(hooks_frame, 100, cvl_marker);
-
+#endif
 
  
 }
diff --git a/rogueviz-kohonen.cpp b/rogueviz-kohonen.cpp
index 47a09bf3..98bccaba 100644
--- a/rogueviz-kohonen.cpp
+++ b/rogueviz-kohonen.cpp
@@ -421,11 +421,15 @@ pair<int, int> get_cellcrawler_id(cell *c) {
   if(fulltorus && (torusconfig::tmflags() & torusconfig::TF_KLEIN))
     return make_pair(cell_to_pair(c).second * 2 + ctof(c), 0);
   int id = 0, dir = 0;
+#if CAP_GP
   if(GOLDBERG) {
     gp::local_info li = gp::get_local_info(c);
     id = (li.relative.first & 15) + (li.relative.second & 15) * 16 + fix6(li.total_dir) * 256;
     // ld = li.last_dir;
     }
+#else
+  if(0) ;
+#endif
   else {
     id = c->type == S7;
     // if(id == 0) ld = c->c.spin(0);
diff --git a/rogueviz-magiccube.cpp b/rogueviz-magiccube.cpp
index b4fcbf46..e396ddbe 100644
--- a/rogueviz-magiccube.cpp
+++ b/rogueviz-magiccube.cpp
@@ -1,5 +1,6 @@
 namespace hr {
 
+#if CAP_CRYSTAL
 void performMarkCommand(cell *c);
 
 namespace crystal {
@@ -171,5 +172,5 @@ auto magichook = addHook(hooks_args, 100, readArgs) + addHook(hooks_drawcell, 10
   + addHook(hooks_handleKey, 150, magic_rugkey);
  
 }
-
+#endif
 }
\ No newline at end of file
diff --git a/rogueviz-pentagonal.cpp b/rogueviz-pentagonal.cpp
index 900d6eba..44a38757 100644
--- a/rogueviz-pentagonal.cpp
+++ b/rogueviz-pentagonal.cpp
@@ -1,5 +1,6 @@
 namespace rogueviz {
 
+#if CAP_ARCM
 namespace pentagonal {
 transmatrix ts[3];
 
@@ -343,4 +344,5 @@ auto xhook = addHook(hooks_args, 100, readArgs)
 + addHook(clearmemory, 40, [] () { snubon = false; } );
  
 }
+#endif
 }
diff --git a/rogueviz-video.cpp b/rogueviz-video.cpp
index bc61afa4..a828c3a5 100644
--- a/rogueviz-video.cpp
+++ b/rogueviz-video.cpp
@@ -3,7 +3,7 @@
 
 namespace rogueviz {
 
-#if CAP_SDL
+#if CAP_SDL && CAP_SHOT
 
 // see: https://www.youtube.com/watch?v=4Vu3F95jpQ4&t=6s (Collatz)
 // see: https://www.youtube.com/watch?v=mDG3_f8R2Ns (SAG boardgames)
@@ -217,9 +217,8 @@ int videoArgs() {
   else return 1;
   return 0;
   }
-#endif
-#endif
 
 auto rv_hooks = addHook(hooks_args, 100, videoArgs);
-
+#endif
+#endif
 }
diff --git a/rogueviz.cpp b/rogueviz.cpp
index 47321b88..04e0e286 100644
--- a/rogueviz.cpp
+++ b/rogueviz.cpp
@@ -28,7 +28,9 @@
 #include "rogueviz.h"
 
 namespace hr { extern hpcshape shEagle, shMiniGhost, shGhost, shShark, shAnimatedEagle[30], shAnimatedTinyEagle[30]; }
+#if MAXMDIM >= 4
 namespace hr { extern renderbuffer *floor_textures; }
+#endif
 
 namespace rogueviz {
 
@@ -1160,6 +1162,12 @@ color_t darken_a(color_t c) {
   return c;
   }
 
+#if CAP_SVG
+#define SVG_LINK(x) svg::link = (x)
+#else
+#define SVG_LINK(x) 
+#endif
+
 void queuedisk(const transmatrix& V, const colorpair& cp, bool legend, const string* info, int i) {
   if(legend && (int) cp.color1 == (int) 0x000000FF && backcolor == 0)
     poly_outline = 0x606060FF;
@@ -1176,23 +1184,23 @@ void queuedisk(const transmatrix& V, const colorpair& cp, bool legend, const str
     }
   else if(DIM == 3) {
     V1 = face_the_player(V);
-    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { svg::link = *info; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { SVG_LINK(*info); });
     queuepolyat(V1, sh, darken_a(cp.color1), PPR::MONSTER_HEAD);
-    if(info) queueaction(PPR::MONSTER_HEAD, [] () { svg::link = ""; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [] () { SVG_LINK(""); });
     V1 = V;
     }
   else if(rog3) {
     int p = poly_outline; poly_outline = OUTLINE_TRANS; 
     queuepolyat(V, sh, 0x80, PPR::MONSTER_SHADOW); 
     poly_outline = p; 
-    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { svg::link = *info; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { SVG_LINK(*info); });
     queuepolyat(V1 = mscale(V, geom3::BODY), sh, darken_a(cp.color1), PPR::MONSTER_HEAD);
-    if(info) queueaction(PPR::MONSTER_HEAD, [] () { svg::link = ""; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [] () { SVG_LINK(""); });
     }
   else {
-    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { svg::link = *info; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [info] () { SVG_LINK(*info); });
     queuepoly(V1 = V, sh, darken_a(cp.color1));
-    if(info) queueaction(PPR::MONSTER_HEAD, [] () { svg::link = ""; });
+    if(info) queueaction(PPR::MONSTER_HEAD, [] () { SVG_LINK(""); });
     }
   switch(cp.shade) {
     case 't': queuepoly(V1, shDiskT, darken_a(cp.color2)); return;
@@ -1222,6 +1230,7 @@ transmatrix& memo_relative_matrix(cell *c1, cell *c2) {
 void queue_prec(const transmatrix& V, edgeinfo*& ei, color_t col) {
   if(!fat_edges)
     queuetable(V, ei->prec, isize(ei->prec), col, 0, PPR::STRUCT0);
+  #if MAXMDIM >= 4
   else {
     auto& t = queuetable(V, ei->prec, isize(ei->prec), 0, col | 0x000000FF, PPR::STRUCT0);
     t.flags |= (1<<22), // poly triangles
@@ -1229,6 +1238,7 @@ void queue_prec(const transmatrix& V, edgeinfo*& ei, color_t col) {
     t.tinf = &ei->tinf;
     t.tinf->texture_id = floor_textures->renderedTexture;
     }
+  #endif
   }
 
 bool drawVertex(const transmatrix &V, cell *c, shmup::monster *m) {
@@ -1413,9 +1423,9 @@ bool drawVertex(const transmatrix &V, cell *c, shmup::monster *m) {
     transmatrix V2 = DIM == 3 ? V * m->at : rgpushxto0(h) * ypush(PURE ? .3 : .2); // todo-variation
     if(doshow && !behindsphere(V2)) {
       auto info = vd.info;
-      if(info) queueaction(PPR::MONSTER_HEAD, [info] () { svg::link = *info; });
+      if(info) queueaction(PPR::MONSTER_HEAD, [info] () { SVG_LINK(*info); });
       queuestr(V2, (svg::in ? .28 : .2) * crossf / hcrossf, vd.name, backcolor ? 0x000000 : 0xFFFF00, (svg::in || ISWEB) ? 0 : 1);
-      if(info) queueaction(PPR::MONSTER_HEAD, [] () { svg::link = ""; });
+      if(info) queueaction(PPR::MONSTER_HEAD, [] () { SVG_LINK(""); });
       }
     }
 
diff --git a/sysconfig.h b/sysconfig.h
index b9d0a2f3..aac7918a 100644
--- a/sysconfig.h
+++ b/sysconfig.h
@@ -455,7 +455,9 @@ union SDL_Event;
 #endif
 #endif
 
+#ifndef MAXMDIM
 #define MAXMDIM 4
+#endif
 
 #ifndef CAP_GEOMETRY
 #define CAP_GEOMETRY (!(ISMINI))
diff --git a/system.cpp b/system.cpp
index 552c996f..c923598d 100644
--- a/system.cpp
+++ b/system.cpp
@@ -1264,7 +1264,9 @@ void switch_game_mode(char switchWhat) {
       yendor::on = tactic::on = princess::challenge = peace::on = inv::on = false;
       chaosmode = randomPatternsMode = false;
       variation = eVariation::bitruncated;
+      #if CAP_GP
       gp::param = gp::loc(1, 1);
+      #endif
       shmup::on = false;
       need_reset_geometry = true;    
       tour::on = !tour::on;
diff --git a/textures.cpp b/textures.cpp
index 435bd8d0..48931eb0 100644
--- a/textures.cpp
+++ b/textures.cpp
@@ -504,6 +504,7 @@ void texture_config::finish_mapping() {
   // printf("texture_map has %d elements (S%d)\n", isize(texture_map), config.tstate);
   }
 
+#if CAP_SHOT
 void texture_config::saveFullTexture(string tn) {
   addMessage(XLAT("Saving full texture to %1...", tn));
   dynamicval<color_t> dd(grid_color, 0);
@@ -529,6 +530,7 @@ void texture_config::saveFullTexture(string tn) {
     finish_mapping();
     }
   }
+#endif
 
 bool newmove = false;
 
@@ -1094,6 +1096,7 @@ string texturehelp =
   "(these probably work best with the 'large picture' setting in geometry selection). "
   "Again, tesselations can have their geometry changed.\n\n";
 
+#if CAP_EDIT
 void start_editor() {
   addMessage("white");
   if(config.data.whitetexture() && config.data.loadTextureGL()) {
@@ -1104,6 +1107,7 @@ void start_editor() {
     pushScreen(mapeditor::showDrawEditor);
     }
   }
+#endif
 
 void showMenu() {
   cmode = sm::SIDE | sm::MAYDARK | sm::DIALOG_STRICT_X;
@@ -1167,7 +1171,9 @@ void showMenu() {
     dialog::addBreak(50);
     
     dialog::addSelItem(XLAT("precision"), its(config.gsplits), 'P');
+#if CAP_SHOT
     dialog::addItem(XLAT("save the raw texture"), 'S');
+#endif
     }
   
   if(config.tstate == tsActive) {
@@ -1187,7 +1193,9 @@ void showMenu() {
 #if CAP_EDIT
     if(DIM == 2) dialog::addItem(XLAT("edit the texture"), 'e');
 #endif
+#if CAP_SHOT
     dialog::addItem(XLAT("save the full texture image"), 'S');
+#endif
     dialog::addItem(XLAT("save texture config"), 's');
     }
   
@@ -1296,6 +1304,7 @@ void showMenu() {
       if(config.tstate == tsActive) dialog::reaction = [] () { config.finish_mapping();
         };
       }
+#if CAP_SHOT
     else if(uni == 'S' && config.tstate == tsAdjusting) 
       dialog::openFileDialog(config.texturename, XLAT("save the raw texture"), ".png", 
         [] () {
@@ -1307,6 +1316,7 @@ void showMenu() {
           config.saveFullTexture(config.texturename);
           return true;
           });
+#endif
     else if(uni == SDLK_F1)
       gotoHelp(texturehelp);
     else if(doexiton(sym, uni))