dear Mike,

If you just want to silence your warning remove all -W from your CFLAGS and
take your revenge back to your compiler. Introducing bugs to just silent warning
is not gona help any one.

The borker,
  Cedric

src/bin/e_sys_l2ping.c

@@ -10,7 +10,7 @@
 #endif
 
 double
-e_sys_l2ping(const char *bluetooth_mac EINA_UNUSED)
+e_sys_l2ping(const char *bluetooth_mac)
 {
 #ifdef HAVE_BLUETOOTH
    char send_buf[L2CAP_CMD_HDR_SIZE + 1];
@@ -95,6 +95,7 @@ e_sys_l2ping(const char *bluetooth_mac EINA_UNUSED)
 
    return ecore_time_get() - start;
 #else
+   (void) bluetooth_mac;
    fprintf(stderr, "e_sys_l2ping nop\n");
    return -1;
 #endif

src/bin/e_sys_main.c

@@ -188,7 +188,7 @@ main(int argc,
 	latency = e_sys_l2ping(output);
 
 	eina_convert_dtoa(latency, tmp);
-	fprintf(stdout, "%s\n", tmp);
+	fputs(tmp, stdout);
 
 	return (latency < 0) ? 1 : 0;
      }