diff --git a/polymer/build/src/baselayer.c b/polymer/build/src/baselayer.c
index 362ba9f14..4de229c49 100644
--- a/polymer/build/src/baselayer.c
+++ b/polymer/build/src/baselayer.c
@@ -64,7 +64,6 @@ static int osdfunc_setrendermode(const osdfuncparm_t *parm)
 static int osdcmd_hicsetpalettetint(const osdfuncparm_t *parm)
 {
     int pal, cols[3], eff;
-    char *p;
 
     if (parm->numparms != 5) return OSDCMD_SHOWHELP;
 
diff --git a/polymer/build/src/build.c b/polymer/build/src/build.c
index 7fa44f07a..14a4db683 100644
--- a/polymer/build/src/build.c
+++ b/polymer/build/src/build.c
@@ -135,7 +135,7 @@ static int repeatcountx, repeatcounty;
 static int fillist[640];
 
 int mousx, mousy;
-
+/*
 static char scantoasc[128] =
 {
     0,0,'1','2','3','4','5','6','7','8','9','0','-','=',0,0,
@@ -158,8 +158,7 @@ static char scantoascwithshift[128] =
     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 };
-
-
+*/
 
 char changechar(char dachar, int dadir, char smooshyalign, char boundcheck);
 int adjustmark(int *xplc, int *yplc, short danumwalls);
@@ -203,6 +202,8 @@ static int osdcmd_restartvid(const osdfuncparm_t *parm)
 {
     extern int qsetmode;
 
+    UNREFERENCED_PARAMETER(parm);
+
     if (qsetmode != 200) return OSDCMD_OK;
 
     resetvideomode();
@@ -270,7 +271,7 @@ extern char *defsfilename;	// set in bstub.c
 
 int app_main(int argc, const char **argv)
 {
-    char ch, quitflag, cmdsetup = 0;
+    char quitflag, cmdsetup = 0;
     int i, j, k;
 
     pathsearchmode = 1;		// unrestrict findfrompath so that full access to the filesystem can be had
@@ -566,10 +567,10 @@ void loadmhk()
 
 void editinput(void)
 {
-    char smooshyalign, repeatpanalign, *ptr, buffer[80];
-    short sectnum, nextsectnum, startwall, endwall, dasector, daang;
+    char smooshyalign, repeatpanalign, buffer[80];
+    short /*sectnum, nextsectnum,*/ startwall, endwall, dasector, daang;
     int mousz, bstatus;
-    int i, j, k, cnt, tempint=0, doubvel, changedir, wallfind[2], daz[2];
+    int i, j, k, /*cnt,*/ tempint=0, doubvel, changedir/*, wallfind[2], daz[2]*/;
     int dashade[2], goalz, xvect, yvect, hiz, loz;
     short hitsect, hitwall, hitsprite;
     int hitx, hity, hitz, dax, day, hihit, lohit;
@@ -6515,7 +6516,7 @@ int numloopsofsector(short sectnum)
 int getnumber16(char namestart[80], int num, int maxnumber, char sign)
 {
     char buffer[80], ch;
-    int j, k, n, danum, oldnum;
+    int n, danum, oldnum;
 
     danum = (int)num;
     oldnum = danum;
@@ -6569,7 +6570,7 @@ int getnumber16(char namestart[80], int num, int maxnumber, char sign)
 int getnumber256(char namestart[80], int num, int maxnumber, char sign)
 {
     char buffer[80], ch;
-    int j, k, n, danum, oldnum;
+    int n, danum, oldnum;
 
     danum = num;
     oldnum = danum;
@@ -6657,8 +6658,8 @@ int getfilenames(char *path, char *kind)
 int menuselect(void)
 {
     int listsize;
-    int i, j, topplc;
-    char ch, buffer[78], *sb;
+    int i;
+    char ch, buffer[78];
     static char oldpath[BMAX_PATH];
     CACHE1D_FIND_REC *dir;
 
@@ -7473,7 +7474,6 @@ void showspritedata(short spritenum)
 void keytimerstuff(void)
 {
     static int ltotalclock=0;
-    int i;
     if (totalclock == ltotalclock) return;
     ltotalclock=totalclock;
 
diff --git a/polymer/build/src/engine.c b/polymer/build/src/engine.c
index f61193df1..f6e5f7e20 100644
--- a/polymer/build/src/engine.c
+++ b/polymer/build/src/engine.c
@@ -5537,6 +5537,7 @@ static int raytrace(int x3, int y3, int *x4, int *y4)
 static void sighandler(int sig, const siginfo_t *info, void *ctx)
 {
     const char *s;
+    UNREFERENCED_PARAMETER(ctx);
     switch (sig)
     {
     case SIGFPE:
diff --git a/polymer/build/src/glbuild.c b/polymer/build/src/glbuild.c
index f3444140d..d95a47f87 100644
--- a/polymer/build/src/glbuild.c
+++ b/polymer/build/src/glbuild.c
@@ -189,6 +189,7 @@ static void * getproc_(const char *s, int *err, int fatal, int extension)
 {
     void *t;
 #if defined RENDERTYPESDL
+    UNREFERENCED_PARAMETER(extension);
     t = (void*)SDL_GL_GetProcAddress(s);
 #elif defined _WIN32
     if (extension) t = (void*)bwglGetProcAddress(s);
diff --git a/polymer/build/src/gtkbits.c b/polymer/build/src/gtkbits.c
index 4dd89390c..dbb390a6a 100644
--- a/polymer/build/src/gtkbits.c
+++ b/polymer/build/src/gtkbits.c
@@ -85,6 +85,7 @@ void gtkbuild_init(int *argc, char ***argv)
 
 void gtkbuild_exit(int r)
 {
+    UNREFERENCED_PARAMETER(r);
     if (gtkenabled)
     {
         if (appicon) g_object_unref((gpointer)appicon);
diff --git a/polymer/build/src/mmulti.c b/polymer/build/src/mmulti.c
index 02becd206..e9d66a0f7 100644
--- a/polymer/build/src/mmulti.c
+++ b/polymer/build/src/mmulti.c
@@ -59,8 +59,10 @@ static int GetTickCount(void)
 int packetrate = PAKRATE;
 #define SIMMIS 0     //Release:0  Test:100 Packets per 256 missed.
 #define SIMLAG 0     //Release:0  Test: 10 Packets to delay receipt
+#if (SIMLAG != 0)
 static int simlagcnt[MAXPLAYERS];
 static char simlagfif[MAXPLAYERS][SIMLAG+1][MAXPAKSIZ+2];
+#endif
 #if ((SIMMIS != 0) || (SIMLAG != 0))
 #pragma message("\n\nWARNING! INTENTIONAL PACKET LOSS SIMULATION IS ENABLED!\nREMEMBER TO CHANGE SIMMIS&SIMLAG to 0 before RELEASE!\n\n")
 #endif
@@ -169,7 +171,9 @@ int netinit(int portnum)
     LPHOSTENT lpHostEnt;
     char hostnam[256];
     struct sockaddr_in ip;
+#ifdef __BEOS__
     int i;
+#endif
 
 #ifdef _WIN32
     if (wsainitialized == 0)
@@ -323,10 +327,16 @@ int isvalidipaddress(char *st)
 
 //---------------------------------- Obsolete variables&functions ----------------------------------
 char syncstate = 0;
-void setpackettimeout(int datimeoutcount, int daresendagaincount) {}
-void genericmultifunction(int other, char *bufptr, int messleng, int command) {}
+void setpackettimeout(int datimeoutcount, int daresendagaincount) { UNREFERENCED_PARAMETER(datimeoutcount); UNREFERENCED_PARAMETER(daresendagaincount); }
+void genericmultifunction(int other, char *bufptr, int messleng, int command)
+{
+    UNREFERENCED_PARAMETER(other);
+    UNREFERENCED_PARAMETER(bufptr);
+    UNREFERENCED_PARAMETER(messleng);
+    UNREFERENCED_PARAMETER(command);
+}
 int getoutputcirclesize() { return(0); }
-void setsocket(int newsocket) { }
+void setsocket(int newsocket) { UNREFERENCED_PARAMETER(newsocket); }
 void flushpackets() {}
 void sendlogon() {}
 void sendlogoff() {}
@@ -506,7 +516,7 @@ int initmultiplayersparms(int argc, char **argv)
 int initmultiplayerscycle(void)
 {
     int i, k;
-    extern int totalclock;
+//    extern int totalclock;
 
     idle();
 
@@ -550,11 +560,14 @@ int initmultiplayerscycle(void)
 
 void initmultiplayers(int argc, char **argv, char damultioption, char dacomrateoption, char dapriority)
 {
-    int i, j, k, otims;
+    UNREFERENCED_PARAMETER(damultioption);
+    UNREFERENCED_PARAMETER(dacomrateoption);
+    UNREFERENCED_PARAMETER(dapriority);
 
     if (initmultiplayersparms(argc,argv))
     {
 #if 0
+        int i, j, k, otims;
         //Console code seems to crash Win98 upon quitting game
         //it's not necessary and it's not portable anyway
         char tbuf[1024];
@@ -644,7 +657,7 @@ void dosendpackets(int other)  //Host to send intially, client to send to others
 
 void sendpacket(int other, char *bufptr, int messleng)
 {
-    int i, j;
+//    int i, j;
 
     if (numplayers < 2) return;
 
diff --git a/polymer/build/src/osd.c b/polymer/build/src/osd.c
index 6975ec12c..d8bfde548 100644
--- a/polymer/build/src/osd.c
+++ b/polymer/build/src/osd.c
@@ -22,12 +22,12 @@ static symbol_t *addnewsymbol(const char *name);
 static symbol_t *findsymbol(const char *name, symbol_t *startingat);
 static symbol_t *findexactsymbol(const char *name);
 
-static int _validate_osdlines(void *);
+// static int _validate_osdlines(void *);
 
 static int _internal_osdfunc_listsymbols(const osdfuncparm_t *);
 static int _internal_osdfunc_help(const osdfuncparm_t *);
-static int _internal_osdfunc_dumpbuildinfo(const osdfuncparm_t *);
-static int _internal_osdfunc_setrendermode(const osdfuncparm_t *);
+// static int _internal_osdfunc_dumpbuildinfo(const osdfuncparm_t *);
+// static int _internal_osdfunc_setrendermode(const osdfuncparm_t *);
 
 static int white=-1;			// colour of white (used by default display routines)
 static void _internal_drawosdchar(int, int, char, int, int);
@@ -99,8 +99,8 @@ static int  osdeditshade=0;
 static int  osdeditpal=0;
 static int  osdtextshade=0;
 static int  osdtextpal=0;
-static int  osdcursorshade=0;
-static int  osdcursorpal=0;
+/* static int  osdcursorshade=0;
+static int  osdcursorpal=0; */
 
 // application callbacks
 static void (*drawosdchar)(int, int, char, int, int) = _internal_drawosdchar;
@@ -117,6 +117,9 @@ static void _internal_drawosdchar(int x, int y, char ch, int shade, int pal)
     int i,j,k;
     char st[2] = { 0,0 };
 
+    UNREFERENCED_PARAMETER(shade);
+    UNREFERENCED_PARAMETER(pal);
+
     st[0] = ch;
 
     if (white<0)
@@ -138,6 +141,9 @@ static void _internal_drawosdstr(int x, int y, char *ch, int len, int shade, int
     int i,j,k;
     char st[1024];
 
+    UNREFERENCED_PARAMETER(shade);
+    UNREFERENCED_PARAMETER(pal);
+
     if (len>1023) len=1023;
     memcpy(st,ch,len);
     st[len]=0;
@@ -161,6 +167,8 @@ static void _internal_drawosdcursor(int x, int y, int type, int lastkeypress)
     int i,j,k;
     char st[2] = { '_',0 };
 
+    UNREFERENCED_PARAMETER(lastkeypress);
+
     if (type) st[0] = '#';
 
     if (white<0)
@@ -189,6 +197,8 @@ static int _internal_getrowheight(int w)
 
 static void _internal_clearbackground(int cols, int rows)
 {
+    UNREFERENCED_PARAMETER(cols);
+    UNREFERENCED_PARAMETER(rows);
 }
 
 static int _internal_gettime(void)
@@ -198,6 +208,7 @@ static int _internal_gettime(void)
 
 static void _internal_onshowosd(int a)
 {
+    UNREFERENCED_PARAMETER(a);
 }
 
 ////////////////////////////
@@ -232,6 +243,8 @@ static int _internal_osdfunc_listsymbols(const osdfuncparm_t *parm)
 {
     symbol_t *i;
 
+    UNREFERENCED_PARAMETER(parm);
+
     OSD_Printf("Symbol listing:\n");
     for (i=symbols; i!=NULL; i=i->next)
         OSD_Printf("     %s\n", i->name);
@@ -259,6 +272,7 @@ static int _internal_osdfunc_help(const osdfuncparm_t *parm)
 
 static int _internal_osdfunc_clear(const osdfuncparm_t *parm)
 {
+    UNREFERENCED_PARAMETER(parm);
     Bmemset(osdtext,0,sizeof(osdtext));
     osdlines = 1;
     return OSDCMD_OK;
diff --git a/polymer/build/src/scriptfile.c b/polymer/build/src/scriptfile.c
index f45ab41ac..da5c910da 100644
--- a/polymer/build/src/scriptfile.c
+++ b/polymer/build/src/scriptfile.c
@@ -386,7 +386,6 @@ int scriptfile_getsymbolvalue(char *name, int *val)
 
 int scriptfile_addsymbolvalue(char *name, int val)
 {
-    int x;
     char *sp;
     //	if (scriptfile_getsymbolvalue(name, &x)) return -1;   // already exists
 
diff --git a/polymer/build/src/sdlayer.c b/polymer/build/src/sdlayer.c
index 71b0e70b2..33726517b 100644
--- a/polymer/build/src/sdlayer.c
+++ b/polymer/build/src/sdlayer.c
@@ -345,7 +345,7 @@ void debugprintf(const char *f, ...)
 //
 
 static char mouseacquired=0,moustat=0;
-static int joyblast=0;
+// static int joyblast=0;
 static SDL_Joystick *joydev = NULL;
 
 //
@@ -549,7 +549,11 @@ void readmousebstatus(int *b)
 // setjoydeadzone() -- sets the dead and saturation zones for the joystick
 //
 void setjoydeadzone(int axis, unsigned short dead, unsigned short satur)
-{}
+{
+    UNREFERENCED_PARAMETER(axis);
+    UNREFERENCED_PARAMETER(dead);
+    UNREFERENCED_PARAMETER(satur);
+}
 
 
 //
@@ -557,6 +561,7 @@ void setjoydeadzone(int axis, unsigned short dead, unsigned short satur)
 //
 void getjoydeadzone(int axis, unsigned short *dead, unsigned short *satur)
 {
+    UNREFERENCED_PARAMETER(axis);
     *dead = *satur = 0;
 }
 
@@ -864,7 +869,7 @@ int checkvideomode(int *x, int *y, int c, int fs, int forced)
 //
 int setvideomode(int x, int y, int c, int fs)
 {
-    int modenum, regrab = 0;
+    int regrab = 0;
     static int warnonce = 0;
 
     if ((fs == fullscreen) && (x == xres) && (y == yres) && (c == bpp) &&
@@ -1007,7 +1012,6 @@ int setvideomode(int x, int y, int c, int fs)
     if (c > 8)
     {
         char *p,*p2,*p3;
-        int i;
 
         polymost_glreset();
 
@@ -1233,7 +1237,8 @@ void enddrawing(void)
 //
 void showframe(int w)
 {
-    int i,j;
+//    int i,j;
+    UNREFERENCED_PARAMETER(w);
 
 #ifdef USE_OPENGL
     if (bpp > 8)
diff --git a/polymer/build/src/startgtk.editor.c b/polymer/build/src/startgtk.editor.c
index 55f796b52..070716b4d 100755
--- a/polymer/build/src/startgtk.editor.c
+++ b/polymer/build/src/startgtk.editor.c
@@ -143,6 +143,7 @@ static void on_vmode2dcombo_changed(GtkComboBox *combobox, gpointer user_data)
     GtkTreeModel *data;
     GtkTreeIter iter;
     int val;
+    UNREFERENCED_PARAMETER(user_data);
     if (!gtk_combo_box_get_active_iter(combobox, &iter)) return;
     if (!(data = gtk_combo_box_get_model(combobox))) return;
     gtk_tree_model_get(data, &iter, 1, &val, -1);
@@ -155,6 +156,7 @@ static void on_vmode3dcombo_changed(GtkComboBox *combobox, gpointer user_data)
     GtkTreeModel *data;
     GtkTreeIter iter;
     int val;
+    UNREFERENCED_PARAMETER(user_data);
     if (!gtk_combo_box_get_active_iter(combobox, &iter)) return;
     if (!(data = gtk_combo_box_get_model(combobox))) return;
     gtk_tree_model_get(data, &iter, 1, &val, -1);
@@ -164,29 +166,38 @@ static void on_vmode3dcombo_changed(GtkComboBox *combobox, gpointer user_data)
 
 static void on_fullscreencheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
 {
+    UNREFERENCED_PARAMETER(user_data);
     settings.fullscreen = (gtk_toggle_button_get_active(togglebutton) == TRUE);
     PopulateForm();
 }
 
 static void on_alwaysshowcheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
 {
+    UNREFERENCED_PARAMETER(user_data);
     settings.forcesetup = (gtk_toggle_button_get_active(togglebutton) == TRUE);
 }
 
 static void on_cancelbutton_clicked(GtkButton *button, gpointer user_data)
 {
+    UNREFERENCED_PARAMETER(button);
+    UNREFERENCED_PARAMETER(user_data);
     if (mode == TAB_CONFIG) { retval = 0; gtk_main_quit(); }
     else quitevent++;
 }
 
 static void on_startbutton_clicked(GtkButton *button, gpointer user_data)
 {
+    UNREFERENCED_PARAMETER(button);
+    UNREFERENCED_PARAMETER(user_data);
     retval = 1;
     gtk_main_quit();
 }
 
 static gboolean on_startwin_delete_event(GtkWidget *widget, GdkEvent *event, gpointer user_data)
 {
+    UNREFERENCED_PARAMETER(widget);
+    UNREFERENCED_PARAMETER(event);
+    UNREFERENCED_PARAMETER(user_data);
     if (mode == TAB_CONFIG) { retval = 0; gtk_main_quit(); }
     else quitevent++;
     return TRUE;	// FALSE would let the event go through. we want the game to decide when to close
@@ -581,6 +592,7 @@ int startwin_settitle(const char *title)
 
 int startwin_idle(void *s)
 {
+    UNREFERENCED_PARAMETER(s);
     if (!gtkenabled) return 0;
     //if (!startwin) return 1;
     gtk_main_iteration_do(FALSE);
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index 52983a9ee..3b6030702 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -9221,7 +9221,7 @@ static void checkcommandline(int argc, const char **argv)
                     if (*c == '4')
                     {
                         movesperpacket = 4;
-                        setpackettimeout(0x3fffffff,0x3fffffff);
+                        setpackettimeout(0x3fffffff,0x3fffffff); // this doesn't do anything anymore
                     }
                     break;
                 case 'g':