diff --git a/src/Jamrules b/src/Jamrules
index d2b89abb5..88dd7a0d7 100644
--- a/src/Jamrules
+++ b/src/Jamrules
@@ -12,6 +12,12 @@ if ! $(CCACHE_DIR) {
   Echo Compiling with ccache ;
 }
 
+if $(PROFILE) = 1 {
+  Echo Compiling with profiler ;
+  CCFLAGS += -pg ;
+  LINKFLAGS += -pg ;
+}
+
 CCFLAGS += -Wall ;
 
 CCFLAGS += -Wwrite-strings 
diff --git a/src/common/kernel/battle.c b/src/common/kernel/battle.c
index f672474bc..a16d7c30e 100644
--- a/src/common/kernel/battle.c
+++ b/src/common/kernel/battle.c
@@ -157,7 +157,7 @@ const troop no_troop = {0, 0};
 region *
 fleeregion(const unit * u)
 {
-	const region *r = u->region;
+	region *r = u->region;
 	region *neighbours[MAXDIRECTIONS];
 	int c = 0;
 	direction_t i;
diff --git a/src/common/kernel/region.c b/src/common/kernel/region.c
index 48ea8e9ec..95579c153 100644
--- a/src/common/kernel/region.c
+++ b/src/common/kernel/region.c
@@ -279,16 +279,17 @@ runhash(region * r)
 }
 
 region *
-r_connect(const region * r, direction_t dir) 
+r_connect(const region * r, direction_t dir)
 {
 	static int set = 0;
 	static region * buffer[MAXDIRECTIONS];
 	static const region * last = NULL;
 
-  assert(dir<MAXDIRECTIONS);
 #ifdef FAST_CONNECT
-  if (r->connect[dir]) return r->connect[dir];
+	region * rmodify = (region*)r;
+	if (r->connect[dir]) return r->connect[dir];
 #endif
+	assert(dir<MAXDIRECTIONS);
 	if (r != last) {
 		set = 0;
 		last = r;
@@ -298,7 +299,7 @@ r_connect(const region * r, direction_t dir)
 	buffer[dir] = rfindhash(r->x + delta_x[dir], r->y + delta_y[dir]);
 	set |= (1<<dir);
 #ifdef FAST_CONNECT
-  r->connect[dir] = buffer[dir];
+	rmodify->connect[dir] = buffer[dir];
 #endif
 	return buffer[dir];
 }
diff --git a/src/common/kernel/save.c b/src/common/kernel/save.c
index 2416c39eb..0a4df6bf1 100644
--- a/src/common/kernel/save.c
+++ b/src/common/kernel/save.c
@@ -889,20 +889,18 @@ readgame(const char * filename, int backup)
 #endif
 	if(global.data_version >= SAVEXMLNAME_VERSION) {
 		char basefile[1024];
-		char *basearg;
+		const char *basearg = "(null)";
 
 		rs(F, basefile);
-		if(xmlfile != NULL) {
+		if (xmlfile != NULL) {
 			basearg = strrchr(xmlfile, '/');
-			if(!basearg) {
+			if (basearg==NULL) {
 				basearg = xmlfile;
 			} else {
-				basearg++;
+				++basearg;
 			}
-		} else {
-			basearg = "(null)";
 		}
-		if(strcmp(basearg, basefile)) {
+		if (strcmp(basearg, basefile)!=0) {
 			printf("WARNING: xmlfile mismatch:\n");
 			printf("WARNING: datafile contains %s\n", basefile);
 			printf("WARNING: argument/default is %s\n", basearg);
diff --git a/src/common/modules/Jamfile b/src/common/modules/Jamfile
index 9137e971c..d9b6a6636 100644
--- a/src/common/modules/Jamfile
+++ b/src/common/modules/Jamfile
@@ -14,7 +14,7 @@ SOURCES =
  gmcmd.c
  infocmd.c
  museum.c
- oceannames.c
+# oceannames.c
  score.c
  victoryconditions.c
  weather.c
diff --git a/src/common/modules/oceannames.c b/src/common/modules/oceannames.c
index 34c99c427..89b3d794b 100644
--- a/src/common/modules/oceannames.c
+++ b/src/common/modules/oceannames.c
@@ -38,7 +38,7 @@ namehash names[NMAXHASH];
 void nhash(const char * name);
 
 typedef struct oceanname {
-	struct name * next;
+	struct oceanname * next;
 	struct faction_list * factions;
 	const char * name;
 } oceanname;