diff -up pptp-1.7.2/pptp_callmgr.c.unused pptp-1.7.2/pptp_callmgr.c
--- pptp-1.7.2/pptp_callmgr.c.unused	2011-12-01 09:58:47.127960697 +0000
+++ pptp-1.7.2/pptp_callmgr.c	2011-12-01 09:58:47.149960723 +0000
@@ -38,12 +38,12 @@ void close_unixsock(int fd, struct in_ad
 
 sigjmp_buf callmgr_env;
 
-void callmgr_sighandler(int sig) {
+void callmgr_sighandler(int sig __attribute__ ((unused))) {
     /* TODO: according to signal(2), siglongjmp() is unsafe used here */
     siglongjmp (callmgr_env, 1);
 }
 
-void callmgr_do_nothing(int sig) {
+void callmgr_do_nothing(int sig __attribute__ ((unused))) {
     /* do nothing signal handler */
 }
 
@@ -104,7 +104,7 @@ void call_callback(PPTP_CONN *conn, PPTP
  *****************************************************************************/
 
 /*** Call Manager *************************************************************/
-int callmgr_main(int argc, char **argv, char **envp)
+int callmgr_main(int argc, char **argv, char **envp __attribute__ ((unused)))
 {
     struct in_addr inetaddr;
     int inet_sock, unix_sock;
@@ -377,7 +377,7 @@ int open_unixsock(struct in_addr inetadd
 }
 
 /*** close_inetsock ***********************************************************/
-void close_inetsock(int fd, struct in_addr inetaddr)
+void close_inetsock(int fd, struct in_addr inetaddr __attribute__ ((unused)))
 {
     close(fd);
 }
diff -up pptp-1.7.2/pptp.c.unused pptp-1.7.2/pptp.c
--- pptp-1.7.2/pptp.c.unused	2011-12-01 09:58:47.143960715 +0000
+++ pptp-1.7.2/pptp.c	2011-12-01 10:01:40.171147875 +0000
@@ -151,13 +151,13 @@ void do_nothing(int sig)
 sigjmp_buf env;
 
 /*** signal handler ***********************************************************/
-void sighandler(int sig)
+void sighandler(int sig __attribute__ ((unused)))
 {
     siglongjmp(env, 1);
 }
 
 /*** report statistics signal handler (SIGUSR1) *******************************/
-void sigstats(int sig)
+void sigstats(int sig __attribute__ ((unused)))
 {
     syslog(LOG_NOTICE, "GRE statistics:\n");
 #define LOG(name,value) syslog(LOG_NOTICE, name "\n", stats .value)
@@ -508,7 +508,7 @@ int open_callmgr(struct in_addr inetaddr
 }
 
 /*** call the call manager main ***********************************************/
-void launch_callmgr(struct in_addr inetaddr, char *phonenr, int argc,
+void launch_callmgr(struct in_addr inetaddr, char *phonenr, int argc __attribute__ ((unused)),
         char**argv,char**envp) 
 {
       char *my_argv[3] = { argv[0], inet_ntoa(inetaddr), phonenr };
@@ -566,7 +566,7 @@ void launch_pppd(char *ttydev, int argc,
 {
     char *new_argv[argc + 4];/* XXX if not using GCC, hard code a limit here. */
     char str_pppd[] = PPPD_BINARY;
-    char str_direct[] = "-direct";
+    char str_direct[] __attribute__ ((unused)) = "-direct";
     char str_38400[] = "38400";
     int i = 0, j;
     new_argv[i++] = str_pppd;