diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4472a61fd..dc0a3d436 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,7 +133,7 @@ IF(CMAKE_C_COMPILER_ID MATCHES "GNU")
 	#might as well do this, public builds use the regular Makefile.
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
 	IF(CMAKE_BUILD_TYPE MATCHES "Debug")
-		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wno-pointer-sign -Wno-unknown-pragmas -Wno-format-zero-length -Wno-strict-aliasing")
 	ELSE()
 		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
 	ENDIF()
diff --git a/engine/client/cl_parse.c b/engine/client/cl_parse.c
index edbb4088c..93610a750 100644
--- a/engine/client/cl_parse.c
+++ b/engine/client/cl_parse.c
@@ -8320,15 +8320,20 @@ void CL_ShowTrafficUsage(float x, float y)
 	size_t svccount, i, j=0;
 	size_t total;
 	struct sortedsvcs_s sorted[256];
-	if (cls.protocol == CP_NETQUAKE)
+	switch(cls.protocol)
 	{
+#ifdef NQPROT
+	case CP_NETQUAKE:
 		svcnames = svc_nqstrings;
 		svccount = countof(svc_nqstrings);
-	}
-	else
-	{
+		break;
+#endif
+	case CP_QUAKEWORLD:
 		svcnames = svc_qwstrings;
 		svccount = countof(svc_qwstrings);
+		break;
+	default:
+		return;	//panic!
 	}
 	total = 0;
 	for (i = 0; i < 256; i++)
diff --git a/engine/client/cl_screen.c b/engine/client/cl_screen.c
index fca868530..020a38a4d 100644
--- a/engine/client/cl_screen.c
+++ b/engine/client/cl_screen.c
@@ -689,7 +689,7 @@ int SCR_DrawCenterString (vrect_t *rect, cprint_t *p, struct font_s *font)
 		}
 
 		if (rect->width < 32)
-			return;
+			return 0;
 		rect->x += 16;
 		rect->width -= 32;
 
diff --git a/engine/client/renderer.c b/engine/client/renderer.c
index b014b8a3a..b7420d1aa 100644
--- a/engine/client/renderer.c
+++ b/engine/client/renderer.c
@@ -175,7 +175,7 @@ cvar_t r_hdr_irisadaptation_fade_up			= CVAR	("r_hdr_irisadaptation_fade_up", "0
 cvar_t r_loadlits							= CVARF	("r_loadlit", "1", CVAR_ARCHIVE);
 cvar_t r_menutint							= CVARF	("r_menutint", "0.68 0.4 0.13",
 												CVAR_RENDERERCALLBACK);
-cvar_t r_netgraph							= CVAR	("r_netgraph", "0");
+cvar_t r_netgraph							= CVARD	("r_netgraph", "0", "Displays a graph of packet latency. A value of 2 will give additional info about what sort of data is being received from the server.");
 extern cvar_t r_lerpmuzzlehack;
 cvar_t r_nolerp								= CVARF	("r_nolerp", "0", CVAR_ARCHIVE);
 cvar_t r_noframegrouplerp					= CVARF	("r_noframegrouplerp", "0", CVAR_ARCHIVE);
diff --git a/engine/common/common.c b/engine/common/common.c
index 8277d5542..9a34ef4c8 100644
--- a/engine/common/common.c
+++ b/engine/common/common.c
@@ -1134,7 +1134,21 @@ int COM_EncodeSize(vec3_t mins, vec3_t maxs)
 	return solid;
 }
 
-static unsigned int MSG_ReadEntity(void)
+#if defined(HAVE_CLIENT) || defined(HAVE_SERVER)
+void MSG_WriteEntity(sizebuf_t *sb, unsigned int entnum)
+{
+	if (entnum > MAX_EDICTS)
+		Host_EndGame("index %#x is not a valid entity\n", entnum);
+
+	if (entnum >= 0x8000)
+	{
+		MSG_WriteShort(sb, (entnum>>8) | 0x8000);
+		MSG_WriteByte(sb, entnum & 0xff);
+	}
+	else
+		MSG_WriteShort(sb, entnum);
+}
+static unsigned int MSG_ReadBigEntity(void)
 {
 	unsigned int num;
 	num = MSG_ReadShort();
@@ -1145,15 +1159,17 @@ static unsigned int MSG_ReadEntity(void)
 	}
 	return num;
 }
+#endif
+
 //we use the high bit of the entity number to state that this is a large entity.
 #ifdef HAVE_SERVER
 unsigned int MSGSV_ReadEntity(client_t *fromclient)
 {
 	unsigned int num;
 	if (fromclient->fteprotocolextensions2 & PEXT2_REPLACEMENTDELTAS)
-		num = MSG_ReadEntity();
+		num = MSG_ReadBigEntity();
 	else
-		num = (unsigned short)(short)MSG_ReadEntity();
+		num = (unsigned short)(short)MSG_ReadShort();
 	if (num >= sv.world.max_edicts)
 	{
 		Con_Printf("client %s sent invalid entity\n", fromclient->name);
@@ -1168,27 +1184,12 @@ unsigned int MSGCL_ReadEntity(void)
 {
 	unsigned int num;
 	if (cls.fteprotocolextensions2 & PEXT2_REPLACEMENTDELTAS)
-		num = MSG_ReadEntity();
+		num = MSG_ReadBigEntity();
 	else
 		num = (unsigned short)(short)MSG_ReadShort();
 	return num;
 }
 #endif
-#if defined(HAVE_CLIENT) || defined(HAVE_SERVER)
-void MSG_WriteEntity(sizebuf_t *sb, unsigned int entnum)
-{
-	if (entnum > MAX_EDICTS)
-		Host_EndGame("index %#x is not a valid entity\n", entnum);
-
-	if (entnum >= 0x8000)
-	{
-		MSG_WriteShort(sb, (entnum>>8) | 0x8000);
-		MSG_WriteByte(sb, entnum & 0xff);
-	}
-	else
-		MSG_WriteShort(sb, entnum);
-}
-#endif
 
 void MSG_WriteDeltaUsercmd (sizebuf_t *buf, usercmd_t *from, usercmd_t *cmd)
 {
diff --git a/engine/common/pr_bgcmd.c b/engine/common/pr_bgcmd.c
index 133ce4190..994af8a9a 100644
--- a/engine/common/pr_bgcmd.c
+++ b/engine/common/pr_bgcmd.c
@@ -184,6 +184,8 @@ static int debuggerstacky;
 #if defined(_WIN32) && !defined(FTE_SDL) && !defined(_XBOX)
 	#include <windows.h>
 	void INS_UpdateGrabs(int fullscreen, int activeapp);
+#else
+	#include <unistd.h>
 #endif
 
 int QCLibEditor(pubprogfuncs_t *prinst, const char *filename, int *line, int *statement, int firststatement, char *error, pbool fatal);
diff --git a/engine/http/iwebiface.c b/engine/http/iwebiface.c
index 722940d4b..64dc3a336 100644
--- a/engine/http/iwebiface.c
+++ b/engine/http/iwebiface.c
@@ -658,9 +658,10 @@ qboolean Sys_rmdir (const char *path)
 }
 #else
 #include <unistd.h>
+#include <sys/stat.h>
 void FS_CreatePath(const char *pname, enum fs_relative relativeto)
 {
-	mkdir(pname);
+	mkdir(pname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 }
 qboolean Sys_rmdir (const char *path)
 {
diff --git a/engine/qclib/decomp.c b/engine/qclib/decomp.c
index 35e6f65a2..f56738e52 100644
--- a/engine/qclib/decomp.c
+++ b/engine/qclib/decomp.c
@@ -2450,7 +2450,7 @@ char *DecompileValueString(etype_t type, void *val)
 
 char *DecompilePrintParameter(QCC_ddef_t * def)
 {
-	static char line[128];
+	static char line[256];
 	static char debug[128];
 
 	line[0] = '0';
diff --git a/engine/qclib/packager.c b/engine/qclib/packager.c
index e710a09f5..f8bf9a9aa 100644
--- a/engine/qclib/packager.c
+++ b/engine/qclib/packager.c
@@ -427,7 +427,7 @@ static void PKG_ParseOutput(struct pkgctx_s *ctx, pbool diff)
 	}
 }
 
-static void PKG_AddOldPack(struct pkgctx_s *ctx, const char *fname)
+/*static void PKG_AddOldPack(struct pkgctx_s *ctx, const char *fname)
 {
 	struct oldpack_s *pack;
 
@@ -437,17 +437,17 @@ static void PKG_AddOldPack(struct pkgctx_s *ctx, const char *fname)
 	pack->file = NULL;
 	pack->next = ctx->oldpacks;
 	ctx->oldpacks = pack;
-}
+}*/
 static void PKG_ParseOldPack(struct pkgctx_s *ctx)
 {
 	char token[MAX_OSPATH];
-	char oldpack[MAX_OSPATH];
 
 	if (!PKG_GetStringToken(ctx, token, sizeof(token)))
 		return;
 
 #ifdef _WIN32
 	{
+		char oldpack[MAX_OSPATH];
 		WIN32_FIND_DATA fd;
 		HANDLE h;
 		QCC_Canonicalize(oldpack, sizeof(oldpack), token, ctx->gamepath);
@@ -594,7 +594,7 @@ static void PKG_ParseRule(struct pkgctx_s *ctx)
 	r->next = ctx->rules;
 	ctx->rules = r;
 }
-static void PKG_AddClassFile(struct pkgctx_s *ctx, struct class_s *c, const char *fname, time_t mtime)
+/*static void PKG_AddClassFile(struct pkgctx_s *ctx, struct class_s *c, const char *fname, time_t mtime)
 {
 	struct file_s *f;
 	struct tm *t;
@@ -614,7 +614,7 @@ static void PKG_AddClassFile(struct pkgctx_s *ctx, struct class_s *c, const char
 	f->write.dosdate = (t->tm_mday<<0)|(t->tm_mon<<5)|((t->tm_year+1900-1980)<<9);
 	f->next = c->files;
 	c->files = f;
-}
+}*/
 static void PKG_AddClassFiles(struct pkgctx_s *ctx, struct class_s *c, const char *fname)
 {
 #ifdef _WIN32
diff --git a/engine/server/pr_cmds.c b/engine/server/pr_cmds.c
index 16623be38..16ee294c4 100644
--- a/engine/server/pr_cmds.c
+++ b/engine/server/pr_cmds.c
@@ -870,7 +870,9 @@ void PR_LoadGlabalStruct(qboolean muted)
 	static float writeonly;
 	static int writeonly_int;
 	static int endcontentsi, surfaceflagsi;
+#ifndef NOLEGACY
 	static float endcontentsf, surfaceflagsf;
+#endif
 	static float dimension_send_default;
 	static float dimension_default = 255;
 	static float zero_default;
diff --git a/engine/server/sv_master.c b/engine/server/sv_master.c
index 549716143..c5506c2a9 100644
--- a/engine/server/sv_master.c
+++ b/engine/server/sv_master.c
@@ -208,7 +208,7 @@ static void SVM_RemoveOldServers(void)
 	}
 }
 
-int SVM_AddIPAddresses(sizebuf_t *sb, int first, const char *gamename, int v4, int v6, qboolean prefixes)
+int SVM_AddIPAddresses(sizebuf_t *sb, int first, const char *gamename, int v4, int v6, qboolean prefixes, int gametype)
 {
 	int number = 0;
 	svm_server_t *server;
@@ -227,6 +227,9 @@ int SVM_AddIPAddresses(sizebuf_t *sb, int first, const char *gamename, int v4, i
 
 		for (; server; server = server->next)
 		{
+//FIXME
+//			if (gametype != -1 && server->gametype != gametype)
+//				continue;
 			switch(server->adr.type)
 			{
 			case NA_IP:
@@ -246,7 +249,7 @@ int SVM_AddIPAddresses(sizebuf_t *sb, int first, const char *gamename, int v4, i
 			}
 
 			if (prefixes)
-				MSG_WriteByte(sb, prefixes);
+				MSG_WriteByte(sb, prefix);
 
 			SZ_Write(sb, server->adr.address.ip, len);
 			MSG_WriteShort(sb, server->adr.port);
@@ -308,7 +311,7 @@ vfsfile_t *SVM_GenerateIndex(const char *fname)
 
 		f = VFSPIPE_Open(1, false);
 		VFS_PRINTF(f, "%s", thecss);
-		VFS_PRINTF(f, "<h1>Single Server Info</h1>\n", tmpbuf);
+		VFS_PRINTF(f, "<h1>Single Server Info</h1>\n");
 
 		VFS_PRINTF(f, "<table border=1>\n");
 		VFS_PRINTF(f, "<tr><th>Game</th><th>Address</th><th>Hostname</th><th>Mod dir</th><th>Mapname</th><th>Players</th></tr>\n");
@@ -476,6 +479,11 @@ void SVM_Think(int port)
 					gametype = GT_CTF;
 				else if (!strncmp(com_token, "gametype=", 9))
 					gametype = atoi(com_token+9);
+				else
+				{
+					char buf[256];
+					Con_DPrintf("Unknown request filter: %s\n", COM_QuotedString(com_token, buf, sizeof(buf), false));
+				}
 			}
 			svm.total.queries++;
 			memset(&sb, 0, sizeof(sb));
@@ -485,15 +493,16 @@ void SVM_Think(int port)
 
 			if (!ipv4 && !ipv6)
 				ipv4 = ipv6 = true; //neither specified? use both
+			(void)ver, (void)full, (void)empty;
 			if (ext)
 			{	//ipv6 and ipv4 addresses
 				MSG_WriteString(&sb, "getserversExtResponse");
-				SVM_AddIPAddresses(&sb, 0, game, ipv4, ipv6, true);
+				SVM_AddIPAddresses(&sb, 0, game, ipv4, ipv6, true, gametype);
 			}
 			else
 			{	//ipv4 only
 				MSG_WriteString(&sb, "getserversResponse");
-				SVM_AddIPAddresses(&sb, 0, game, ipv4, ipv6, true);
+				SVM_AddIPAddresses(&sb, 0, game, ipv4, ipv6, true, gametype);
 			}
 			sb.maxsize+=2;
 			MSG_WriteByte(&sb, '\\');	//otherwise the last may be considered invalid and ignored.
@@ -557,7 +566,7 @@ void SVM_Think(int port)
 			MSG_WriteLong(&sb, -1);
 			MSG_WriteString(&sb, "servers\n");
 			sb.cursize--;
-			SVM_AddIPAddresses(&sb, 0, "Quake2", true, false, false);
+			SVM_AddIPAddresses(&sb, 0, "Quake2", true, false, false, -1);
 			NET_SendPacket(svm_sockets, sb.cursize, sb.data, &net_from);
 		}
 		else if (*com_token == S2M_HEARTBEAT)	//sequence, players
@@ -580,7 +589,7 @@ void SVM_Think(int port)
 			MSG_WriteLong(&sb, -1);
 			MSG_WriteByte(&sb, M2C_MASTER_REPLY);
 			MSG_WriteByte(&sb, '\n');
-			SVM_AddIPAddresses(&sb, 0, "QuakeWorld", true, false, false);
+			SVM_AddIPAddresses(&sb, 0, "QuakeWorld", true, false, false, -1);
 			NET_SendPacket(svm_sockets, sb.cursize, sb.data, &net_from);
 		}
 		else if (*com_token == A2A_PING)
diff --git a/plugins/irc/ircclient.c b/plugins/irc/ircclient.c
index b3aa51bab..0076ed430 100644
--- a/plugins/irc/ircclient.c
+++ b/plugins/irc/ircclient.c
@@ -1100,7 +1100,7 @@ static void numbered_command(int comm, char *msg, ircclient_t *irc) // move vars
 	}
 	case 323:	/* RPL_LISTEND*/
 	{
-		char *endoflist = casevar[3]+1;
+		//char *endoflist = casevar[3]+1;
 
 //		IRC_Printf(irc, "list", "%s\n",endoflist);