Make gethostname, getdtablesize, mktemp, ualarm available in BSD, XOPEN_SOURCE >...

diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 84219ca2e77ee71277898a2f4b691dcce1984f07..b60d34044d2e8747d7977708e8603ea843a9ad95 100644 (file)
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -259,9 +259,8 @@ int     _EXFUN(truncate, (const char *, off_t __length));
 #endif
 #endif
 
-#if defined(__CYGWIN__) || defined(__rtems__)
+#if defined(__BSD_VISIBLE) || (__XSI_VISIBLE >= 500)
 int    _EXFUN(getdtablesize, (void));
-int    _EXFUN(setdtablesize, (int));
 useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));
 #if !(defined  (_WINSOCK_H) || defined (_WINSOCKAPI_) || defined (__USE_W32_SOCKETS))
 /* winsock[2].h defines as __stdcall, and with int as 2nd arg */
@@ -270,6 +269,10 @@ useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));
 char * _EXFUN(mktemp, (char *));
 #endif
 
+#if defined(__CYGWIN__) || defined(__rtems__)
+int    _EXFUN(setdtablesize, (int));
+#endif
+
 #if defined(__CYGWIN__) || defined(__SPU__) || defined(__rtems__)
 void    _EXFUN(sync, (void));
 #endif