diff --git a/polymer/eduke32/build/src/dxtfilter.c b/polymer/eduke32/build/src/dxtfilter.c
index cbfdb856f..810d4aa0f 100644
--- a/polymer/eduke32/build/src/dxtfilter.c
+++ b/polymer/eduke32/build/src/dxtfilter.c
@@ -103,7 +103,7 @@ static int32_t dedxt_handle_io(int32_t fil, int32_t j /* TODO: better name */,
 
     inbuf = (ispacked && cleng < j) ? packbuf : midbuf;
 
-    if (texcache.memcache.ptr && texcache.memcache.size >= texcache.filepos + cleng)
+    if (texcache.memcache.ptr && texcache.memcache.size >= (bsize_t)texcache.filepos + cleng)
     {
         if (ispacked && cleng < j)
         {
@@ -235,4 +235,4 @@ int32_t dedxtfilter(int32_t fil, const texcachepicture *pict, char *pic, void *m
 
     return 0;
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index 4af72cc7f..a5438155d 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -4506,7 +4506,7 @@ static void parascan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat, i
 
     // WGR2 SVN: select new episode after playing wgmicky1 with Polymer
     //  (maybe switched to classic earlier).
-    //  --> rendmode==0, glgetrendermode() == REND_POLYMER, we end up with globalpicnum==266,
+    //  --> rendmode==0, glrendermode == REND_POLYMER, we end up with globalpicnum==266,
     //      picsiz...==9 and dapskybits==3
     // FIXME ?
     if (k < 0)
diff --git a/polymer/eduke32/build/src/texcache.c b/polymer/eduke32/build/src/texcache.c
index e609f172e..43b79e889 100644
--- a/polymer/eduke32/build/src/texcache.c
+++ b/polymer/eduke32/build/src/texcache.c
@@ -188,7 +188,8 @@ void texcache_syncmemcache(void)
 {
     size_t len;
 
-    if (!texcache.memcache.ptr || texcache.filehandle == -1 || Bfilelength(texcache.filehandle) <= texcache.memcache.size)
+    if (!texcache.memcache.ptr || texcache.filehandle == -1 ||
+            (bsize_t)Bfilelength(texcache.filehandle) <= texcache.memcache.size)
         return;
 
     len = Bfilelength(texcache.filehandle);
@@ -378,7 +379,7 @@ int32_t texcache_readdata(void *dest, int32_t len)
 
     texcache.filepos += len;
 
-    if (texcache.memcache.ptr && texcache.memcache.size >= ocachepos+len)
+    if (texcache.memcache.ptr && texcache.memcache.size >= (bsize_t)ocachepos+len)
     {
         //        initprintf("using memcache!\n");
         Bmemcpy(dest, texcache.memcache.ptr+ocachepos, len);
@@ -744,13 +745,13 @@ void texcache_setupmemcache(void)
 
     if (!texcache.memcache.ptr)
     {
-        initprintf("Failed allocating %d bytes for memcache, disabling memcache.\n", texcache.memcache.size);
+        initprintf("Failed allocating %d bytes for memcache, disabling memcache.\n", (int)texcache.memcache.size);
         texcache_clearmemcache();
         texcache.memcache.noalloc = 1;
         return;
     }
 
-    if (Bread(texcache.filehandle, texcache.memcache.ptr, texcache.memcache.size) != texcache.memcache.size)
+    if (Bread(texcache.filehandle, texcache.memcache.ptr, texcache.memcache.size) != (bssize_t)texcache.memcache.size)
     {
         initprintf("Failed reading texcache into memcache!\n");
         texcache_clearmemcache();