silence all gcc warnings

exportfs/exportfs.c

@@ -29,8 +29,6 @@ exportfs(int fd, int msgsz)
 	char buf[ERRMAX], ebuf[ERRMAX];
 	Fsrpc *r;
 	int i, n;
-	char *dbfile, *srv, *file;
-	ulong initial;
 
 	fcalls[Tversion] = Xversion;
 	fcalls[Tauth] = Xauth;
@@ -110,7 +108,6 @@ reply(Fcall *r, Fcall *t, char *err)
 {
 	uchar *data;
 	int m, n;
-static QLock lk;
 
 	t->tag = r->tag;
 	t->fid = r->fid;
@@ -494,7 +491,6 @@ fatal(char *s, ...)
 {
 	char buf[ERRMAX];
 	va_list arg;
-	Proc *m;
 
 	if (s) {
 		va_start(arg, s);
@@ -510,6 +506,6 @@ fatal(char *s, ...)
 	if (s) 
 		sysfatal(buf);
 	else
-		exits(nil);
+		sysfatal("");
 }
 

exportfs/exportfs.h

@@ -143,6 +143,6 @@ char*	estrdup(char*);
 void*	emallocz(uint);
 int		readmessage(int, char*, int);
 
-#define notify
-#define noted
-#define exits
+#define notify(x)
+#define noted(x)
+#define exits(x)

exportfs/exportsrv.c

@@ -89,10 +89,8 @@ Xflush(Fsrpc *t)
 void
 Xattach(Fsrpc *t)
 {
-	int i, nfd;
 	Fcall rhdr;
 	Fid *f;
-	char buf[128];
 
 	f = newfid(t->work.fid);
 	if(f == 0) {
@@ -431,7 +429,6 @@ slave(Fsrpc *f)
 	Proc *p;
 	int pid;
 	static int nproc;
-	static QLock lk;
 
 	for(;;) {
 		for(p = Proclist; p; p = p->next) {