-# sys_socket_h.m4 serial 20
-dnl Copyright (C) 2005-2010 Free Software Foundation, Inc.
+# sys_socket_h.m4 serial 21
+dnl Copyright (C) 2005-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_HEADER_SYS_SOCKET],
[
AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_C_INLINE])
+ dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have
+ dnl old-style declarations (with return type 'int' instead of 'ssize_t')
+ dnl unless _POSIX_PII_SOCKET is defined.
+ case "$host_os" in
+ osf*)
+ AC_DEFINE([_POSIX_PII_SOCKET], [1],
+ [Define to 1 in order to get the POSIX compatible declarations
+ of socket functions.])
+ ;;
+ esac
+
AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
[gl_cv_header_sys_socket_h_selfcontained],
[