[PATCH] grp.h: use __BSD_VISIBLE and __XSI_VISIBLE guards

[Yaakov Selkowitz]

This fixes the build of krb5 and other packages on Cygwin.

	* libc/include/grp.h: Use __BSD_VISIBLE and __XSI_VISIBLE guards.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
---
 newlib/libc/include/grp.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/newlib/libc/include/grp.h b/newlib/libc/include/grp.h
index c3a5a67..c75d525 100644
--- a/newlib/libc/include/grp.h
+++ b/newlib/libc/include/grp.h
@@ -71,21 +71,21 @@ int		 getgrnam_r (const char *, struct group *,
 			char *, size_t, struct group **);
 int		 getgrgid_r (gid_t, struct group *,
 			char *, size_t, struct group **);
-#ifndef _POSIX_SOURCE
+#if __BSD_VISIBLE || __XSI_VISIBLE >= 500
 struct group	*getgrent (void);
 void		 setgrent (void);
 void		 endgrent (void);
 #ifndef __CYGWIN__
 void		 setgrfile (const char *);
 #endif /* !__CYGWIN__ */
-#ifndef _XOPEN_SOURCE
+#if __BSD_VISIBLE
 #ifndef __CYGWIN__
 char		*group_from_gid (gid_t, int);
 int		 setgroupent (int);
 #endif /* !__CYGWIN__ */
 int		 initgroups (const char *, gid_t);
-#endif /* !_XOPEN_SOURCE */
-#endif /* !_POSIX_SOURCE */
+#endif /* __BSD_VISIBLE */
+#endif /* __BSD_VISIBLE || __XSI_VISIBLE >= 500 */
 #endif /* !__INSIDE_CYGWIN__ */
 
 #ifdef __cplusplus
-- 
2.7.0