diff --git a/s/cmake-init b/s/cmake-init
index 2a3e97fc4..5da7e985f 100755
--- a/s/cmake-init
+++ b/s/cmake-init
@@ -51,7 +51,7 @@ LUA_DIR=/usr
 if [ -d /usr/include/lua5.1 ]; then
    LUA_VERSION="5.1"
 elif [ -d /usr/local/include/lua5.1 ]; then
-   LUA_DIR=/usr/local
+   export LUA_DIR=/usr/local
    LUA_VERSION="5.1"
 fi
 
@@ -64,8 +64,6 @@ SET (CMAKE_LIBRARY_PATH "$LIBRARY_PATH" CACHE PATH "")
 SET (CMAKE_PREFIX_PATH "$PREFIX_PATH" CACHE PATH "")
 HEREDOC
 
-#echo 'SET (LUA_DIR "$LUA_DIR" PATH)' >> $BUILD/config.cmake
-
 path="$(which tolua)"
 if [ "$HAVE_TOLUA" = "0" ] || [ -z $path ] ; then
  echo "tolua is not installed, building from source"
@@ -77,7 +75,11 @@ if [ "$HAVE_TOLUA" = "0" ] || [ -z $path ] ; then
  echo "building tolua..."
  cd tolua
  make
- echo 'SET(PC_TOLUA_DIR "$ROOT/tolua" CACHE PATH "tolua root")' >> $BUILD/config.cmake
+ cd -
+cat >> $BUILD/config.cmake <<TOLUA
+SET(PC_TOLUA_DIR "$ROOT/tolua" CACHE PATH "tolua root")
+TOLUA
+
 else
  echo "tolua is $path"
 fi
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 177905c96..8a17a45e9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -5,9 +5,8 @@ include_directories (${CMAKE_CURRENT_SOURCE_DIR})
 include_directories (${CJSON_INCLUDE_DIR})
 include_directories (${CLIBS_INCLUDE_DIR})
 include_directories (${STORAGE_INCLUDE_DIR})
-include_directories (${LUA_INCLUDE_DIR})
 include_directories (${TOLUA_INCLUDE_DIR})
-include_directories (${BSON_INCLUDE_DIR})
+include_directories (${LUA_INCLUDE_DIR})
 include_directories (${INIPARSER_INCLUDE_DIR})
 
 IF(DEFINED ERESSEA_VERSION)
diff --git a/src/teleport.c b/src/teleport.c
index c529d5129..439b44955 100644
--- a/src/teleport.c
+++ b/src/teleport.c
@@ -141,24 +141,46 @@ region_list *all_in_range(const region * r, int n,
     return rlist;
 }
 
+#define MAX_BRAIN_SIZE 100
+
 void spawn_braineaters(float chance)
 {
+    const race * rc_brain = get_race(RC_HIRNTOETER);
     region *r;
-    faction *f0 = get_monsters();
+    faction *f = get_monsters();
     int next = rng_int() % (int)(chance * 100);
 
-    if (f0 == NULL)
+    if (f == NULL || rc_brain == NULL) {
         return;
+    }
 
     for (r = regions; r; r = r->next) {
+        unit *u, *ub = NULL;
         if (!is_astral(r) || fval(r->terrain, FORBIDDEN_REGION))
             continue;
 
+        for (u = r->units; u; u = u->next) {
+            if (u->_race == rc_brain) {
+                if (!ub) {
+                    ub = u;
+                }
+                else {
+                    int n = u->number + ub->number;
+                    if (n <= MAX_BRAIN_SIZE) {
+                        scale_number(ub, n);
+                        u->number = 0;
+                    }
+                    else {
+                        ub = u;
+                    }
+                }
+            }
+        }
+
         /* Neues Monster ? */
         if (next-- == 0) {
-            unit *u =
-                create_unit(r, f0, 1 + rng_int() % 10 + rng_int() % 10,
-                get_race(RC_HIRNTOETER), 0, NULL, NULL);
+            u = create_unit(r, f, 1 + rng_int() % 10 + rng_int() % 10,
+                rc_brain, 0, NULL, NULL);
             equip_unit(u, get_equipment("seed_braineater"));
 
             next = rng_int() % (int)(chance * 100);