windows: Fix a build error.

  serialport.c: In function 'get_time':
  serialport.c:64:6: warning: implicit declaration of function 'clock_gettime' [-Wimplicit-function-declaration]
    if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
        ^
  serialport.c:64:20: error: 'CLOCK_MONOTONIC' undeclared (first use in this function)
    if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
                      ^
  serialport.c:64:20: note: each undeclared identifier is reported only once for each function it appears in
  serialport.c:65:17: error: 'CLOCK_REALTIME' undeclared (first use in this function)
     clock_gettime(CLOCK_REALTIME, &ts);
                   ^
  serialport.c: At top level:
  serialport.c:60:13: warning: 'get_time' defined but not used [-Wunused-function]
   static void get_time(struct timeval *time)
               ^

diff --git a/serialport.c b/serialport.c
index 6875fe1abce32bf8248eed326f9f200a70d75e64..2c1b68217eaf0747d93761fc5af61a6accaa45c4 100644 (file)
--- a/serialport.c
+++ b/serialport.c
@@ -49,14 +49,13 @@ static const struct std_baudrate std_baudrates[] = {
 
 void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler;
 
-static void get_time(struct timeval *time);
-
 static enum sp_return get_config(struct sp_port *port, struct port_data *data,
        struct sp_port_config *config);
 
 static enum sp_return set_config(struct sp_port *port, struct port_data *data,
        const struct sp_port_config *config);
 
+#ifndef _WIN32
 static void get_time(struct timeval *time)
 {
 #ifdef HAVE_CLOCK_GETTIME
@@ -76,6 +75,7 @@ static void get_time(struct timeval *time)
        gettimeofday(time, NULL);
 #endif
 }
+#endif
 
 SP_API enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr)
 {