diff --git a/basegraph.cpp b/basegraph.cpp
index 3aa4d21d..b8d65550 100644
--- a/basegraph.cpp
+++ b/basegraph.cpp
@@ -284,9 +284,9 @@ void display_data::set_projection(int ed) {
       for(int z=0; z<PRECZ; z++)
       for(int y=0; y<PRECX; y++)
       for(int x=0; x<PRECX; x++)
-        xbuffer[z][y][x] = glvertex({inverse_exp_table[z][y][x][0], inverse_exp_table[z][y][x][1], inverse_exp_table[z][y][x][2], 1});
+        xbuffer[z][y][x] = glhr::makevertex(inverse_exp_table[z][y][x][0], inverse_exp_table[z][y][x][1], inverse_exp_table[z][y][x][2]);
       
-      glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA32F, PRECX, PRECX, PRECZ, 0, GL_RGBA, GL_FLOAT, xbuffer);
+      glTexImage3D(GL_TEXTURE_3D, 0, 34836 /*GL_RGBA32F*/, PRECX, PRECX, PRECZ, 0, GL_RGBA, GL_FLOAT, xbuffer);
       delete xbuffer;
       
       }
diff --git a/penrose.cpp b/penrose.cpp
index d074a9ef..2115d70f 100644
--- a/penrose.cpp
+++ b/penrose.cpp
@@ -223,7 +223,7 @@ struct hrmap_kite : hrmap {
   
   map<int, transmatrix> graphrules;
   
-  auto encode(pshape s0, int d0, pshape s1, int d1) {
+  int encode(pshape s0, int d0, pshape s1, int d1) {
     return d0 + d1 * 16 + s0 * 256 + s1 * 512;
     }
     
@@ -289,7 +289,7 @@ struct hrmap_kite : hrmap {
     auto c1 = c->cmove(dir);
     auto code = encode(getshape(c->master), dir, getshape(c1->master), c->c.spin(dir));
     if(!graphrules.count(code)) {
-      println(hlog, "rule missing: ", tuple(getshape(c->master), dir, getshape(c1->master), c->c.spin(dir)));
+      println(hlog, "rule missing: ", make_tuple(getshape(c->master), dir, getshape(c1->master), c->c.spin(dir)));
       throw 0;
       }
     return graphrules[code];
diff --git a/sol.cpp b/sol.cpp
index deb47201..a07c2ecd 100644
--- a/sol.cpp
+++ b/sol.cpp
@@ -14,8 +14,8 @@ namespace solv {
   const ld SXY = 32.;
   const ld SZ = 8.;
   
-  using pt = hyperpoint;
-  using ptlow = array<float, 3>;
+  typedef hyperpoint pt;
+  typedef array<float, 3> ptlow;
 
   ptlow inverse_exp_table[PRECZ][PRECX][PRECX];