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openvswitch/configure.ac
Ben Pfaff 1269f7ae5f datapath: Tolerate backporting of rtnl_link_stats64 (as in RHEL 6).
Red Hat Enterprise Linux 6 has a 2.6.32 kernel but it backports the
rtnl_link_stats64 structure that was introduced in 2.6.35, so we need to
check whether it was defined instead of just guessing based on the kernel
version number.

Build-tested only, on 2.6.32-71.14.1.el6 (RHEL 6),
linux-2.6.18-128.1.6.el5.xs5.5.0.496.101 (XenServer 5.5.0),
2.6.18-128.1.6.el5.xs5.5.0.505.1024xen (XenServer 5.5.0 update 1),
and upstream 2.6.18, 2.6.26, 2.6.29, 2.6.33, 2.6.34, 2.6.36, all for i386,
plus 2.6.36 for x86-64.

My machine's userspace headers have <linux/if_link.h> but not
rtnl_link_stats64.  Jesse Gross tested the case where <linux/if_link.h>
has rtnl_link_stats64, on Ubuntu 10.10.

Reported-by: Geoff White <gwhite@nicira.com>
Tested-by: Jesse Gross <jesse@nicira.com>
2011-02-04 12:36:21 -08:00

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# Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
AC_PREREQ(2.64)
AC_INIT(openvswitch, 1.1.0pre2, ovs-bugs@openvswitch.org)
NX_BUILDNR
AC_CONFIG_SRCDIR([datapath/datapath.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_TESTDIR([tests])
AM_INIT_AUTOMAKE
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_MKDIR_P
AC_PROG_FGREP
AC_ARG_VAR([PERL], [path to Perl interpreter])
AC_PATH_PROG([PERL], perl, no)
if test "$PERL" = no; then
AC_MSG_ERROR([Perl interpreter not found in $PATH or $PERL.])
fi
AC_USE_SYSTEM_EXTENSIONS
AC_C_BIGENDIAN
AC_SYS_LARGEFILE
AC_SEARCH_LIBS([pow], [m])
AC_SEARCH_LIBS([clock_gettime], [rt])
OVS_CHECK_COVERAGE
OVS_CHECK_NDEBUG
OVS_CHECK_NETLINK
OVS_CHECK_OPENSSL
OVS_CHECK_LOGDIR
OVS_CHECK_RTNL_LINK_STATS64
OVS_CHECK_PYTHON
OVS_CHECK_PYUIC4
OVS_CHECK_OVSDBMONITOR
OVS_CHECK_DOT
OVS_CHECK_IF_PACKET
OVS_CHECK_STRTOK_R
AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec, struct stat.st_mtimensec],
[], [], [[#include <sys/stat.h>]])
AC_CHECK_FUNCS([mlockall strsignal getloadavg statvfs setmntent])
AC_CHECK_HEADERS([mntent.h sys/statvfs.h])
OVS_CHECK_PKIDIR
OVS_CHECK_RUNDIR
OVS_CHECK_MALLOC_HOOKS
OVS_CHECK_VALGRIND
OVS_CHECK_SOCKET_LIBS
OVS_CHECK_LINKER_SECTIONS
OVS_ENABLE_OPTION([-Wall])
OVS_ENABLE_OPTION([-Wno-sign-compare])
OVS_ENABLE_OPTION([-Wpointer-arith])
OVS_ENABLE_OPTION([-Wdeclaration-after-statement])
OVS_ENABLE_OPTION([-Wformat-security])
OVS_ENABLE_OPTION([-Wswitch-enum])
OVS_ENABLE_OPTION([-Wunused-parameter])
OVS_ENABLE_OPTION([-Wstrict-aliasing])
OVS_ENABLE_OPTION([-Wbad-function-cast])
OVS_ENABLE_OPTION([-Wcast-align])
OVS_ENABLE_OPTION([-Wstrict-prototypes])
OVS_ENABLE_OPTION([-Wold-style-definition])
OVS_ENABLE_OPTION([-Wmissing-prototypes])
OVS_ENABLE_OPTION([-Wmissing-field-initializers])
OVS_ENABLE_OPTION([-Wno-override-init])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused], [HAVE_WNO_UNUSED])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused-parameter], [HAVE_WNO_UNUSED_PARAMETER])
AC_ARG_VAR(KARCH, [Kernel Architecture String])
AC_SUBST(KARCH)
OVS_CHECK_LINUX26
AC_CONFIG_FILES([Makefile
datapath/Makefile
datapath/linux-2.6/Kbuild
datapath/linux-2.6/Makefile
datapath/linux-2.6/Makefile.main
tests/atlocal])
dnl This makes sure that include/openflow gets created in the build directory.
AC_CONFIG_COMMANDS([include/openflow/openflow.h.stamp])
AC_CONFIG_COMMANDS([ovsdb/ovsdbmonitor/dummy], [:])
AC_OUTPUT