# -*- autoconf -*-
-# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
AC_MSG_RESULT([$kversion])
if test "$version" -ge 3; then
- if test "$version" = 3 && test "$patchlevel" -le 11; then
+ if test "$version" = 3 && test "$patchlevel" -le 12; then
: # Linux 3.x
else
- AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.11.x is not supported])
+ AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.12.x is not supported])
fi
else
if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
OVS_GREP_IFELSE([$KSRC/include/linux/rcupdate.h], [rcu_read_lock_held], [],
[OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h],
[rcu_read_lock_held])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h], [lockdep_rtnl_is_held])
# Check for the proto_data_valid member in struct sk_buff. The [^@]
# is necessary because some versions of this header remove the
[OVS_DEFINE([HAVE_SKB_WARN_LRO])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [consume_skb])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_frag_page])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_has_frag_list])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [__skb_fill_page_desc])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_reset_mac_len])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_unclone])
OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [parallel_ops])
+ OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_cisco_register])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be64])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_find_nested])
+ OVS_GREP_IFELSE([$KSRC/include/net/sctp/checksum.h], [sctp_compute_cksum])
+
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
[OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
;;
esac
fi])
+
+dnl OVS_CHECK_LINUX_HOST.
+dnl
+dnl Checks whether we're building for a Linux host, based on the presence of
+dnl the __linux__ preprocessor symbol, and sets up an Automake conditional
+dnl LINUX based on the result.
+AC_DEFUN([OVS_CHECK_LINUX_HOST],
+ [AC_CACHE_CHECK(
+ [whether __linux__ is defined],
+ [ovs_cv_linux],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([enum { LINUX = __linux__};], [])],
+ [ovs_cv_linux=true],
+ [ovs_cv_linux=false])])
+ AM_CONDITIONAL([LINUX], [$ovs_cv_linux])])