-# getaddrinfo.m4 serial 15
-dnl Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+# getaddrinfo.m4 serial 16
+dnl Copyright (C) 2004, 2005, 2006, 2007, 2008 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_GETADDRINFO],
[
AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H
+ AC_REQUIRE([gl_HEADER_NETDB])dnl for HAVE_NETDB_H
AC_MSG_NOTICE([checking how to do getaddrinfo, freeaddrinfo and getnameinfo])
- AC_CHECK_HEADERS_ONCE(netdb.h)
-
AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
AC_CACHE_CHECK([for getaddrinfo], [gl_cv_func_getaddrinfo], [
AC_TRY_LINK([
gl_PREREQ_GETADDRINFO
])
-# Prerequisites of lib/getaddrinfo.h and lib/getaddrinfo.c.
+# Prerequisites of lib/getaddrinfo.c.
AC_DEFUN([gl_PREREQ_GETADDRINFO], [
AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H
AC_SEARCH_LIBS(gethostbyname, [inet nsl])
AC_REQUIRE([gl_HEADER_SYS_SOCKET])
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_HEADERS_ONCE(netinet/in.h netdb.h)
+
+ dnl Including sys/socket.h is wrong for Windows, but Windows does not
+ dnl have sa_len so the result is correct anyway.
+ AC_CHECK_MEMBERS([struct sockaddr.sa_len], , , [#include <sys/socket.h>])
+
+ AC_CHECK_HEADERS_ONCE(netinet/in.h)
AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, gai_strerror, getnameinfo],,,[
/* sys/types.h is not needed according to POSIX, but the
sys/socket.h in i386-unknown-freebsd4.10 and