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# Copyright (c) 2008, 2009 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(2.60)
AC_INIT(openvswitch, 0.90.4, 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])
AM_INIT_AUTOMAKE

AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_MKDIR_P

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

OVS_CHECK_USERSPACE
OVS_CHECK_NDEBUG
OVS_CHECK_NETLINK
OVS_CHECK_OPENSSL
OVS_CHECK_LOGDIR
OVS_CHECK_CURSES
OVS_CHECK_LINUX_VT_H
OVS_CHECK_PCRE
OVS_CHECK_IF_PACKET
OVS_CHECK_STRTOK_R

if $build_userspace; then
    OVS_CHECK_PKIDIR
    OVS_CHECK_RUNDIR
    OVS_CHECK_MALLOC_HOOKS
    OVS_CHECK_VALGRIND
    OVS_CHECK_TTY_LOCK_DIR
    OVS_CHECK_SOCKET_LIBS
    OVS_CHECK_FAULT_LIBS

    AC_CHECK_FUNCS([strsignal])

    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])
fi

AC_ARG_VAR(KARCH, [Kernel Architecture String])
AC_SUBST(KARCH)
OVS_CHECK_LINUX(l26, 2.6, KSRC26, L26_ENABLED)

AC_CONFIG_FILES([Makefile 
datapath/Makefile 
datapath/linux-2.6/Kbuild
datapath/linux-2.6/Makefile
datapath/linux-2.6/Makefile.main])

AC_OUTPUT