cleanup namespace in sys/time.h

diff --git a/include/sys/time.h b/include/sys/time.h
index edaf6af678968f4b3e5fc5801ccda76d1284e93c..766ac728b17a070842f7fb3273624c6c46ec76b8 100644 (file)
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -17,10 +17,7 @@ extern "C" {
 
 int gettimeofday (struct timeval *, void *);
 
-/* extensions */
-int settimeofday (const struct timeval *, void *);
-int adjtime (const struct timeval *, struct timeval *);
-
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
 
 #define ITIMER_REAL    0
 #define ITIMER_VIRTUAL 1
@@ -36,7 +33,11 @@ int getitimer (int, struct itimerval *);
 int setitimer (int, const struct itimerval *, struct itimerval *);
 int utimes (const char *, const struct timeval [2]);
 
+#endif
+
 #ifdef _GNU_SOURCE
+int settimeofday (const struct timeval *, void *);
+int adjtime (const struct timeval *, struct timeval *);
 struct timezone {
        int tz_minuteswest;
        int tz_dsttime;