along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+
+/* On OSF/1, <sys/types.h> and <sys/time.h> include <sys/select.h>.
+ Simply delegate to the system's header in this case. */
+#if @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TYPES_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H) && defined _OSF_SOURCE
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#elif @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TIME_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H) && defined _OSF_SOURCE
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#else
+
#ifndef _GL_SYS_SELECT_H
#if @HAVE_SYS_SELECT_H@
-@PRAGMA_SYSTEM_HEADER@
-
/* On many platforms, <sys/select.h> assumes prior inclusion of
<sys/types.h>. */
# include <sys/types.h>
+/* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
+ of 'struct timeval', and no definition of this type.. */
+# include <sys/time.h>
+
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
# include <sys/socket.h>
-# if @HAVE_WINSOCK2_H@
-# undef select
-# define select rpl_select
+/* The definition of GL_LINK_WARNING is copied here. */
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+# if @GNULIB_SELECT@
+# if @HAVE_WINSOCK2_H@
+# undef select
+# define select rpl_select
extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef select
+# define select select_used_without_requesting_gnulib_module_select
+# elif defined GNULIB_POSIXCHECK
+# undef select
+# define select(n,r,w,e,t) \
+ (GL_LINK_WARNING ("select is not always POSIX compliant - " \
+ "use gnulib module select for portability"), \
+ select (n, r, w, e, t))
+# endif
+
+# ifdef __cplusplus
+}
# endif
#endif
#endif /* _GL_SYS_SELECT_H */
#endif /* _GL_SYS_SELECT_H */
+#endif /* OSF/1 */