diff --git a/conf/e2/terrains.json b/conf/e2/terrains.json
index 1b400438f..5a8cf0280 100644
--- a/conf/e2/terrains.json
+++ b/conf/e2/terrains.json
@@ -141,7 +141,7 @@
         },
         "glacier": {
             "size": 100,
-            "herbs": [ "h15", "h16", "h17" ],
+            "herbs": [ "h18", "h19", "h20" ],
             "seed": 2,
             "road": 250,
             "flags": [ "arctic", "land", "walk", "sail", "fly" ],
diff --git a/res/core/de/strings.xml b/res/core/de/strings.xml
index f00b14763..8b207e6d9 100644
--- a/res/core/de/strings.xml
+++ b/res/core/de/strings.xml
@@ -4439,6 +4439,10 @@
       <text locale="de">Heimstein</text>
       <text locale="en">Homestone</text>
     </string>
+    <string name="nocostbuilding">
+      <text locale="de">Mauern der Ewigkeit</text>
+      <text locale="en">Eternal Walls</text>
+    </string>
     <string name="nodrift">
       <text locale="de">Wasserelementar</text>
       <text locale="en">Water Elemental</text>
diff --git a/src/move.c b/src/move.c
index 190589186..c95775b5a 100644
--- a/src/move.c
+++ b/src/move.c
@@ -2487,7 +2487,7 @@ static void move_pirates(void)
             unit *u = *up;
 
             if (!fval(u, UFL_NOTMOVING) && getkeyword(u->thisorder) == K_PIRACY) {
-                piracy_cmd(u, u->thisorder);
+                piracy_cmd(u);
                 fset(u, UFL_LONGACTION | UFL_NOTMOVING);
             }
 
diff --git a/src/piracy.c b/src/piracy.c
index 1a556f92f..8af0b899e 100644
--- a/src/piracy.c
+++ b/src/piracy.c
@@ -115,8 +115,9 @@ direction_t find_piracy_target(unit *u, int *il) {
     return NODIRECTION;
 }
 
-void piracy_cmd(unit * u, order *ord)
+void piracy_cmd(unit * u)
 {
+    order *ord;
     region *r = u->region;
     ship *sh = u->ship, *sh2;
     direction_t target_dir;
@@ -127,11 +128,11 @@ void piracy_cmd(unit * u, order *ord)
     int saff = 0;
     int *il;
 
-    if (!validate_pirate(u, ord)) {
+    if (!validate_pirate(u, u->thisorder)) {
         return;
     }
 
-    il = parse_ids(ord);
+    il = parse_ids(u->thisorder);
     /* Feststellen, ob schon ein anderer alliierter Pirat ein
     * Ziel gefunden hat. */
 
@@ -201,11 +202,12 @@ void piracy_cmd(unit * u, order *ord)
         "ship unit region dir", sh, u, r, target_dir));
 
     /* Befehl konstruieren */
-    set_order(&u->thisorder, create_order(K_MOVE, u->faction->locale, "%s",
-        LOC(u->faction->locale, directions[target_dir])));
+    // TODO: why change u->thisorder?
+    // FIXME: when u->thisorder == ord, set_order calls free, destroys both.
+    ord = create_order(K_MOVE, u->faction->locale, "%s", LOC(u->faction->locale, directions[target_dir]));
 
     /* Bewegung ausführen */
-    init_order(u->thisorder);
+    init_order(ord);
     move_cmd(u, ord);
 }
 
diff --git a/src/piracy.h b/src/piracy.h
index b74fbd509..14b4a4805 100644
--- a/src/piracy.h
+++ b/src/piracy.h
@@ -11,7 +11,7 @@ extern "C" {
     struct order;
     struct region;
 
-    void piracy_cmd(struct unit * u, struct order *ord);
+    void piracy_cmd(struct unit * u);
     void age_piracy(struct region *r);
 
 #ifdef __cplusplus
diff --git a/src/piracy.test.c b/src/piracy.test.c
index 1c266fd47..affb6f5c4 100644
--- a/src/piracy.test.c
+++ b/src/piracy.test.c
@@ -32,7 +32,7 @@ static void setup_piracy(void) {
 }
 
 static void setup_pirate(unit **pirate, int p_r_flags, int p_rc_flags, const char *p_shiptype,
-    order **ord, unit **victim, int v_r_flags, const char *v_shiptype) {
+    unit **victim, int v_r_flags, const char *v_shiptype) {
     terrain_type *vterrain;
     ship_type *st_boat = NULL;
     race *rc;
@@ -67,16 +67,13 @@ static void setup_pirate(unit **pirate, int p_r_flags, int p_rc_flags, const cha
     }
 
     f->locale = get_or_create_locale("de");
-    *ord = create_order(K_PIRACY, f->locale, "%s", itoa36((*victim)->faction->no));
-    assert(*ord);
-
+    (*pirate)->thisorder = create_order(K_PIRACY, f->locale, "%s", itoa36((*victim)->faction->no));
 }
 
 static void test_piracy_cmd(CuTest * tc) {
     faction *f;
     region *r;
     unit *u, *u2;
-    order *ord;
     terrain_type *t_ocean;
     ship_type *st_boat;
 
@@ -93,10 +90,9 @@ static void test_piracy_cmd(CuTest * tc) {
     u_set_ship(u, test_create_ship(u->region, st_boat));
     assert(f && u);
     f->locale = get_or_create_locale("de");
-    ord = create_order(K_PIRACY, f->locale, "%s", itoa36(u2->faction->no));
-    assert(ord);
+    u->thisorder = create_order(K_PIRACY, f->locale, "%s", itoa36(u2->faction->no));
 
-    piracy_cmd(u, ord);
+    piracy_cmd(u);
     CuAssertPtrEquals(tc, 0, u->thisorder);
     CuAssertTrue(tc, u->region != r);
     CuAssertPtrEquals(tc, u2->region, u->region);
@@ -104,7 +100,6 @@ static void test_piracy_cmd(CuTest * tc) {
     CuAssertPtrNotNullMsg(tc, "successful PIRACY sets attribute", r->attribs); // FIXME: this is testing implementation, not interface
     CuAssertPtrNotNullMsg(tc, "successful PIRACY message", test_find_messagetype(f->msgs, "piratesawvictim"));
     CuAssertPtrNotNullMsg(tc, "successful PIRACY movement", test_find_messagetype(f->msgs, "shipsail"));
-    free_order(ord);
 
     test_cleanup();
 }
@@ -113,7 +108,6 @@ static void test_piracy_cmd_errors(CuTest * tc) {
     race *r;
     faction *f;
     unit *u, *u2;
-    order *ord;
     ship_type *st_boat;
 
     test_cleanup();
@@ -123,15 +117,15 @@ static void test_piracy_cmd_errors(CuTest * tc) {
     r = test_create_race("pirates");
     u = test_create_unit(f = test_create_faction(r), test_create_region(0, 0, get_or_create_terrain("ocean")));
     f->locale = get_or_create_locale("de");
-    ord = create_order(K_PIRACY, f->locale, "");
-    assert(u && ord);
+    u->thisorder = create_order(K_PIRACY, f->locale, "");
+    assert(u && u->thisorder);
 
-    piracy_cmd(u, ord);
+    piracy_cmd(u);
     CuAssertPtrNotNullMsg(tc, "must be on a ship for PIRACY", test_find_messagetype(f->msgs, "error144"));
 
     test_clear_messages(f);
     fset(r, RCF_SWIM);
-    piracy_cmd(u, ord);
+    piracy_cmd(u);
     CuAssertPtrEquals_Msg(tc, "swimmers are pirates", 0, test_find_messagetype(f->msgs, "error144"));
     CuAssertPtrEquals_Msg(tc, "swimmers are pirates", 0, test_find_messagetype(f->msgs, "error146"));
     freset(r, RCF_SWIM);
@@ -146,40 +140,37 @@ static void test_piracy_cmd_errors(CuTest * tc) {
     u_set_ship(u2, u->ship);
 
     test_clear_messages(f);
-    piracy_cmd(u2, ord);
+    piracy_cmd(u2);
     CuAssertPtrNotNullMsg(tc, "must be owner for PIRACY", test_find_messagetype(f->msgs, "error146"));
 
     test_clear_messages(f);
-    piracy_cmd(u, ord);
+    piracy_cmd(u);
     CuAssertPtrNotNullMsg(tc, "must specify target for PIRACY", test_find_messagetype(f->msgs, "piratenovictim"));
-    free_order(ord);
+    CuAssertPtrNotNull(tc, u->thisorder);
 
     test_cleanup();
 }
 
 static void test_piracy_cmd_walking(CuTest * tc) {
     unit *pirate, *victim;
-    order *ord;
     region *r;
 
     test_cleanup();
 
-    setup_pirate(&pirate, 0, 0, NULL, &ord, &victim, SWIM_INTO | SEA_REGION, "boat");
+    setup_pirate(&pirate, 0, 0, NULL, &victim, SWIM_INTO | SEA_REGION, "boat");
     /* fset(rc, RCF_SWIM); */
     r = pirate->region;
 
-    piracy_cmd(pirate, ord);
-    CuAssertPtrEquals(tc, 0, pirate->thisorder);
+    piracy_cmd(pirate);
+    CuAssertPtrNotNull(tc, pirate->thisorder);
     CuAssertTrue(tc, pirate->region == r);
     CuAssertPtrNotNullMsg(tc, "successful PIRACY message", test_find_messagetype(pirate->faction->msgs, "error144"));
-    free_order(ord);
 
     test_cleanup();
 }
 
 static void test_piracy_cmd_land_to_land(CuTest * tc) {
     unit *u;
-    order *ord;
     region *r;
     faction *f;
     int target;
@@ -205,34 +196,30 @@ static void test_piracy_cmd_land_to_land(CuTest * tc) {
     u = test_create_unit(f, r);
     u->ship = test_create_ship(r, stype);
     set_level(u, SK_SAILING, u->ship->type->sumskill);
-    ord = create_order(K_PIRACY, f->locale, "%s", itoa36(target));
+    u->thisorder = create_order(K_PIRACY, f->locale, "%s", itoa36(target));
 
-    piracy_cmd(u, ord);
+    piracy_cmd(u);
     CuAssertPtrEquals(tc, 0, u->thisorder);
     CuAssertPtrEquals(tc, r, u->region);
-    // TODO check message
-    free_order(ord);
 
     test_cleanup();
 }
 
 static void test_piracy_cmd_swimmer(CuTest * tc) {
     unit *pirate, *victim;
-    order *ord;
     region *r;
 
     test_cleanup();
 
-    setup_pirate(&pirate, 0, RCF_SWIM, NULL, &ord, &victim, SWIM_INTO | SEA_REGION, "boat");
+    setup_pirate(&pirate, 0, RCF_SWIM, NULL, &victim, SWIM_INTO | SEA_REGION, "boat");
     r = pirate->region;
 
-    piracy_cmd(pirate, ord);
+    piracy_cmd(pirate);
     CuAssertPtrEquals(tc, 0, pirate->thisorder);
     CuAssertTrue(tc, pirate->region != r);
     CuAssertPtrEquals(tc, victim->region, pirate->region);
     CuAssertPtrNotNullMsg(tc, "successful PIRACY message", test_find_messagetype(pirate->faction->msgs, "piratesawvictim"));
     CuAssertPtrNotNullMsg(tc, "successful PIRACY movement", test_find_messagetype(pirate->faction->msgs, "travel"));
-    free_order(ord);
 
     test_cleanup();
 }
diff --git a/src/util/log.c b/src/util/log.c
index a0985ea46..f61d50848 100644
--- a/src/util/log.c
+++ b/src/util/log.c
@@ -97,7 +97,6 @@ void log_rotate(const char *filename, int maxindex)
     assert(strlen(filename) < sizeof(buffer[0]) - 4);
 
     sprintf(buffer[dst], "%s.%d", filename, maxindex);
-    /* make sure we don't overwrite an existing file (hard links) */
     if (remove(buffer[dst]) != 0) {
         if (errno != ENOENT) {
             fprintf(stderr, "log rotate %s: %d %s", buffer[dst], errno, strerror(errno));