# 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.
# 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, 2.1.2, ovs-bugs@openvswitch.org)
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_MKDIR_P
AC_PROG_FGREP
AC_PROG_EGREP

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

AM_MISSING_PROG([AUTOM4TE], [autom4te])

AC_USE_SYSTEM_EXTENSIONS
AC_C_BIGENDIAN
AC_SYS_LARGEFILE

LT_INIT([disable-shared])
AC_SEARCH_LIBS([pow], [m])
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_SEARCH_LIBS([timer_create], [rt])
AC_SEARCH_LIBS([pthread_sigmask], [pthread])
AC_FUNC_STRERROR_R

OVS_CHECK_ESX
OVS_CHECK_WIN32
OVS_CHECK_COVERAGE
OVS_CHECK_NDEBUG
OVS_CHECK_NETLINK
OVS_CHECK_OPENSSL
OVS_CHECK_LOGDIR
OVS_CHECK_PYTHON
OVS_CHECK_PYTHON_COMPAT
OVS_CHECK_DOT
OVS_CHECK_IF_PACKET
OVS_CHECK_IF_DL
OVS_CHECK_STRTOK_R
AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>]])
AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec, struct stat.st_mtimensec],
  [], [], [[#include <sys/stat.h>]])
AC_CHECK_MEMBERS([struct ifreq.ifr_flagshigh], [], [], [[#include <net/if.h>]])
AC_CHECK_FUNCS([mlockall strnlen getloadavg statvfs getmntent_r])
AC_CHECK_HEADERS([mntent.h sys/statvfs.h linux/types.h linux/if_ether.h stdatomic.h])
AC_CHECK_HEADERS([net/if_mib.h], [], [], [[#include <sys/types.h>
#include <net/if.h>]])

OVS_CHECK_PKIDIR
OVS_CHECK_RUNDIR
OVS_CHECK_DBDIR
OVS_CHECK_BACKTRACE
OVS_CHECK_MALLOC_HOOKS
OVS_CHECK_VALGRIND
OVS_CHECK_SOCKET_LIBS
OVS_CHECK_XENSERVER_VERSION
OVS_CHECK_GROFF
OVS_CHECK_GNU_MAKE
OVS_CHECK_TLS
OVS_CHECK_ATOMIC_LIBS
OVS_CHECK_GCC4_ATOMICS
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(1)
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(2)
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(4)
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(8)
OVS_CHECK_POSIX_AIO
OVS_CHECK_PTHREAD_SET_NAME

OVS_CHECK_INCLUDE_NEXT([string.h])
AC_CONFIG_FILES([lib/string.h])

OVS_ENABLE_OPTION([-Wall])
OVS_ENABLE_OPTION([-Wextra])
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([-Wno-format-zero-length])
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([-Wthread-safety])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused], [HAVE_WNO_UNUSED])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused-parameter], [HAVE_WNO_UNUSED_PARAMETER])
OVS_ENABLE_WERROR
OVS_ENABLE_SPARSE

AC_ARG_VAR(KARCH, [Kernel Architecture String])
AC_SUBST(KARCH)
OVS_CHECK_LINUX

AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(datapath/Makefile)
AC_CONFIG_FILES(datapath/linux/Kbuild)
AC_CONFIG_FILES(datapath/linux/Makefile)
AC_CONFIG_FILES(datapath/linux/Makefile.main)
AC_CONFIG_FILES(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([utilities/bugtool/dummy], [:])

AM_CONDITIONAL([LINUX_DATAPATH], [test "$HAVE_NETLINK" = yes && test "$ESX" = no])
if test "$HAVE_NETLINK" = yes && test "$ESX" = no; then
    AC_DEFINE([LINUX_DATAPATH], [1], [System uses the linux datapath module.])
fi

AC_OUTPUT