AC_INIT([ntopng],[@VERSION@])

AC_CONFIG_MACRO_DIR([m4])

HERE=`pwd`
SYSTEM=`uname -s`

if test "${with_sanitizer+set}" = set || "${with_leak_sanitizer+set}" = set; then
  # Setting debug flags in CFLAGS/CXXFLAGS to avoid AC_PROG_CPP add -O2
  CFLAGS="-g -O0"
  CXXFLAGS="-g -O0"
fi

AC_PROG_CPP
AC_PROG_CXX

PKG_PROG_PKG_CONFIG

AC_ARG_WITH(leak-sanitizer,     [  --with-leak-sanitizer   Build with support for the LLVM address leak and sanitizer])
AS_IF([test "${with_leak_sanitizer+set}" = set],[
    CFLAGS="${CFLAGS} -Wall -Wno-unused-value -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment -fsanitize=leak -fno-omit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -Wall -Wno-unused-value -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment -fsanitize=leak -fno-omit-frame-pointer"
    LDFLAGS="${LDFLAGS} -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment -fsanitize=leak"
    USE_CLANG=yes
])

if test $SYSTEM = "Darwin" && "${with_leak_sanitizer+set}" = set; then
  echo "FATAL ERROR: sorry --with-leak-sanitizer is not available on macOS"
  exit -1
fi

AC_ARG_WITH(sanitizer,     [  --with-sanitizer   Build with support for the LLVM address sanitizer])
AS_IF([test "${with_sanitizer+set}" = set],[
    CFLAGS="${CFLAGS} -Wall -Wno-unused-value -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment -fno-omit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -Wall -Wno-unused-value -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment -fno-omit-frame-pointer"
    LDFLAGS="${LDFLAGS} -fsanitize=address -fsanitize=undefined -fno-sanitize=alignment"
    USE_CLANG=yes
])

AC_ARG_ENABLE(fuzztargets, AS_HELP_STRING([--enable-fuzztargets], [Enable fuzz targets]), [enable_fuzztargets=$enableval], [enable_fuzztargets=no])
AC_ARG_ENABLE(fuzztargets-local, AS_HELP_STRING([--enable-fuzztargets-local], [Enable fuzz targets for local testing]), [enable_fuzztargets_local=$enableval], [enable_fuzztargets_local=no])
AC_ARG_WITH(fuzz-protobuf, AS_HELP_STRING([--with-fuzz-protobuf], [Build with protobuf mutator support]), [with_fuzz_protobuf=$enableval], [with_fuzz_protobuf=no])

AS_VAR_IF(enable_fuzztargets_local, yes, [enable_fuzztargets="yes" AC_SUBST(FUZZ_LOCAL_TEST, "1")])
AS_VAR_IF(with_fuzz_protobuf, yes, [
    AC_SUBST(FUZZ_WITH_PROTOBUF, "1")
    PKG_CHECK_MODULES(LIBPROTOBUF_MUTATOR, libprotobuf-mutator, [], [AC_MSG_ERROR(Could not find libprotobuf-mutator. Perhaps you should set PKG_CONFIG_PATH accordingly)])
    PKG_CHECK_MODULES(PROTOBUF, protobuf, [], [AC_MSG_ERROR(Could not find protobuf. Perhaps you should set PKG_CONFIG_PATH accordingly)])
])

FUZZ_MAKEFILE_INC=
FUZZ_OBJECTS=
AS_VAR_IF(enable_fuzztargets, yes, [
    FUZZ_MAKEFILE_INC="include ./fuzz/Makefile"
    FUZZ_OBJECTS='$(patsubst %.cpp, %.o, $(wildcard fuzz/stub/*.cpp))'
    AC_LANG_PUSH(C++)
    AC_SUBST(LIB_FUZZING_ENGINE)

    dnl> Check that the compiler supports the flags $LIB_FUZZING_ENGINE
    AX_CHECK_COMPILE_FLAG(
        $LIB_FUZZING_ENGINE,
        [AC_SUBST(HAS_FUZZLDFLAGS, "1")],dnl SUCCESS
        [:],dnl FAIL
        [],
        [AC_LANG_SOURCE([[
#include <sys/types.h>
extern "C" int LLVMFuzzerTestOneInput(const unsigned char *Data, size_t Size);
extern "C" int LLVMFuzzerTestOneInput(const unsigned char *Data, size_t Size) {
(void)Data;
(void)Size;
return 0;
}
        ]])]
    )

    AC_LANG_POP()
])

AC_ARG_WITH(hiredis, AS_HELP_STRING([--without-hiredis], [Build without hiredis integration]), [with_hiredis=no], [with_hiredis=yes])


dnl> CLANG_STDLIB="-stdlib=libc++"

dnl> On Ubuntu do sudo apt-get install -y clang-14  clang-tools-14
if test "x$USE_CLANG" = xyes; then
    if test $SYSTEM = "Darwin"; then
        CC=clang
        CXX="clang++ -fno-color-diagnostics -fPIE -stdlib=libc++"
    else
       if test -x "/usr/bin/clang-10"; then
           CLANG_VERSION=10
       elif test -x "/usr/bin/clang-13"; then
           CLANG_VERSION=13
       elif test -x "/usr/bin/clang-14"; then
           CLANG_VERSION=14
       else
           echo "Could not find clang. Please install clang-14 clang-tools-14"
           exit 1
       fi

       CC=clang-$CLANG_VERSION
       CXX="clang++-$CLANG_VERSION -fno-color-diagnostics -fPIE $CLANG_STDLIB"
    fi
fi

CFLAGS="${CFLAGS} -I${HERE} -I${HERE}/include"
CXXFLAGS="${CXXFLAGS} -I${HERE} -I${HERE}/include"

CXXFLAGS="${CXXFLAGS} -Wno-address-of-packed-member -Wno-unused-function"

dnl> MacOS brew.sh
HOMEBREW_DIR=/opt/homebrew
if test -d $HOMEBREW_DIR; then
 CFLAGS="${CFLAGS} -I ${HOMEBREW_DIR}/include"
 CXXFLAGS="${CXXFLAGS} -I ${HOMEBREW_DIR}/include"
 LDFLAGS="${LDFLAGS} -L ${HOMEBREW_DIR}/lib"
fi

if test -f /proc/device-tree/model; then
  IS_RASPBERRY=`cat /proc/device-tree/model | grep -a -e "Orange Pi" -e Raspberry | wc -l`
  
  if test "$IS_RASPBERRY" = "1"; then
    CFLAGS="${CFLAGS} -DHAVE_EMBEDDED_SUPPORT"
    CXXFLAGS="${CXXFLAGS} -DHAVE_EMBEDDED_SUPPORT"
    AC_DEFINE(HAVE_RASPBERRY, 1, [rPI detected])
  fi
fi

TODAY=`date +%y%m%d`
NTOPNG_MAJOR=`echo "${PACKAGE_VERSION}" | cut -d . -f 1`
NTOPNG_MINOR=`echo "${PACKAGE_VERSION}" | cut -d . -f 2`
NTOPNG_PATCH=`echo "${PACKAGE_VERSION}" | cut -d . -f 3`
#NTOPNG_SHORT_VERSION="$NTOPNG_MAJOR.$NTOPNG_MINOR.$NTOPNG_PATCH"
NTOPNG_SHORT_VERSION="$NTOPNG_MAJOR.$NTOPNG_MINOR"
NTOPNG_VERSION="$NTOPNG_SHORT_VERSION.$TODAY"

MACHINE=`uname -m`
SYSTEM=`uname -s`

PRO_MAKEFILE_INC=
PRO_INCS=
PRO_LIBS=
ADDITIONAL_PRO_OBJECTS=
PRO_OBJECTS=
PRO_HEADERS=
PRO_LIBS=

AC_ARG_WITH(nedge,          [  --with-nedge          Enable nEdge device build])
AC_ARG_WITH(nedge,          [  --with-test-mode      Enable ntopng/nEdge test mode])

CFLAGS="${CFLAGS} -Wall"
OS=""
MAKE=make
BIN_PATH=/usr/bin
LIBPCAP=-lpcap

if test $SYSTEM = "FreeBSD" || test $SYSTEM = "Darwin"; then
   CFLAGS="${CFLAGS} -I/usr/local/include"
   LDFLAGS="${LDFLAGS} -L/usr/local/lib"

   dnl> https://github.com/google/sanitizers/wiki/AddressSanitizerFlags
   CC=clang
   CXX="clang++ -fpie -fno-color-diagnostics $CLANG_STDLIB"
   if test $SYSTEM = "FreeBSD"; then
    MAKE=gmake
    BIN_PATH=/usr/local/bin
   else
     dnl> Adds /opt if MacPorts is installed
     if [ test -f /opt/local/bin/port ]; then
       CFLAGS="${CFLAGS} -I/opt/local/include"
       LDFLAGS="${LDFLAGS} -L/opt/local/lib"
     fi
   fi
   dnl> CXX=clang++ -fsanitize=address -fsanitize-address-use-after-scope
   OSXV=`sw_vers -productVersion`
   if test $SYSTEM = "Darwin"; then
     OS="macOS $OSXV"
   else
     OS=`uname -or | cut -d '-' -f 1`
   fi
   if test $MACHINE = "x86_64"; then
      LDFLAGS="${LDFLAGS} -L/usr/local/opt/ntopng"
      RES=`g++ -Wall -fno-color-diagnostics Prefs.cpp 2>&1 | grep "unrecognized command line option "|wc -l`
      if test $RES -eq 0; then
            CFLAGS="-fno-color-diagnostics $CFLAGS"
      fi
   fi
fi

dnl> Remove spaces
OS="${OS#"${OS%%[![:space:]]*}"}"

AC_CHECK_LIB([atomic], [__atomic_exchange_8], [LIBS="${LIBS} -latomic"])

AC_ARG_WITH(zmq-static,
    [  --with-zmq-static       Use static link for the zmq library],
    [PKG_CHECK_MODULES_STATIC(ZMQ, [libzmq >= 3],
        [AC_DEFINE_UNQUOTED(HAVE_ZMQ, 1, [ZMQ is present])],
        [AC_MSG_ERROR(ZMQ not present or too old (< v. 3.x))]
    )],
    [PKG_CHECK_MODULES(ZMQ, [libzmq >= 3],
        [AC_DEFINE_UNQUOTED(HAVE_ZMQ, 1, [ZMQ is present])],
        [AC_MSG_ERROR(ZMQ not present or too old (< v. 3.x))]
    )]
)

AC_CHECK_LIB([sodium], [sodium_init], LIBS="${LIBS} -lsodium")
AC_CHECK_LIB([rdkafka], [rd_kafka_metadata], AC_DEFINE_UNQUOTED(HAVE_KAFKA, 1, [librdkafka is installed] LIBS="${LIBS} -lrdkafka") LIBS="${LIBS} -lrdkafka")
AC_CHECK_LIB([nats], [natsOptions_Create], AC_DEFINE_UNQUOTED(HAVE_NATS, 1, [nats is installed]  LIBS="${LIBS} -lnats") LIBS="${LIBS} -lnats")


NEDGE=0
if test "${with_nedge+set}" = set; then
  AC_DEFINE(HAVE_NEDGE, 1, [nedge support is present])
  NEDGE=1

  AC_CHECK_HEADERS([netinet/in.h libnetfilter_queue/libnetfilter_queue.h])
  AC_CHECK_LIB([netfilter_queue], [nfq_create_queue])
  AC_CHECK_LIB([nfnetlink], [nfnl_rcvbufsiz])
  AC_CHECK_LIB([netfilter_conntrack], [nfct_filter_dump_create], nfct=true)
  AC_CHECK_FUNC([nfq_set_verdict2], [AC_DEFINE([HAVE_NFQ_SET_VERDICT2],[1],[Define if nfq_set_verdict2 exists in netfilter_queue.])])

  if test "x$ac_cv_lib_netfilter_queue_nfq_create_queue" != xyes; then
    AC_MSG_RESULT(Cannot build nedge without Netfilter, exiting.)
    exit 1
  fi

  if test x$nfct = x; then
    AC_MSG_RESULT(Cannot build nedge without Conntrack, exiting.)
    exit 1
  fi

  LIBS="${LIBS} -lnetfilter_queue -lnfnetlink -lnetfilter_conntrack"
fi

if test -d "/usr/local/include"; then
  CFLAGS="${CFLAGS} -I/usr/local/include"
  CXXFLAGS="${CXXFLAGS} -I/usr/local/include"
fi

if test -d "/usr/local/lib"; then
  LIBS="${LIBS} -L/usr/local/lib"
fi

if test -d /opt/local/include; then :
  CFLAGS="${CFLAGS} -I/opt/local/include"
  CXXFLAGS="${CXXFLAGS} -I/opt/local/include"
fi

if test -d /opt/local/lib; then :
  LIBS="${LIBS} -L/opt/local/lib"
fi

if [ test -f /usr/bin/lsb_release ]; then
  CODENAME=`/usr/bin/lsb_release -c|cut -f 2`
  if test $CODENAME = "wheezy" ; then
    CXXFLAGS="${CXXFLAGS} -DOLD_NETFILTER_INTERFACE=1"
  fi
fi

if test -d "pro/"; then
  NTOPCLOUD_LIB=
  NTOPCLOUD_HOME="../ntopcloud"
  if test -d "${NTOPCLOUD_HOME}"; then
    CFLAGS="${CFLAGS} -I${NTOPCLOUD_HOME}"
    CXXFLAGS="${CXXFLAGS} -I${NTOPCLOUD_HOME}"
    NTOPCLOUD_LIB="${NTOPCLOUD_HOME}/libcloud.a"
    AC_DEFINE(HAVE_NTOP_CLOUD, 1, [ntop cloud detected])
  fi
fi

JE=../jemalloc/lib/libjemalloc.a
if ! test -f "${JE}"; then
 JE=
else
 AC_DEFINE(HAVE_JEMALLOC, 1, [ntopng has been compiled with jemalloc])
fi

SHORT_MACHINE=`uname -m | cut -b1-3`

GIT_RELEASE="@GIT_RELEASE@"
GIT_DATE="@GIT_DATE@"
GIT_BRANCH="@GIT_BRANCH@"
PRO_GIT_RELEASE="@PRO_GIT_RELEASE@"
PRO_GIT_DATE="@PRO_GIT_DATE@"

dnl start: nDPI handling
AC_ARG_WITH(ndpi-static-lib,
   [  --with-ndpi-static-lib=DIR       Search the specified directory for nDPI static library],
   [
      if test -d $withval ; then :
         AC_MSG_CHECKING(your own nDPI library)
         if test -r $withval/libndpi.a; then
            AC_MSG_RESULT(ok)
            NDPI_CUST_LIB=$withval/libndpi.a
         else
            AC_MSG_RESULT(no)
            AC_MSG_ERROR(ERROR: Unable to find custom nDPI static library in $withval)
         fi
      else
         AC_MSG_ERROR(ERROR: Can't open custom nDPI static library directory $withval)
      fi
   ])
AC_ARG_WITH(ndpi-includes,
   [  --with-ndpi-includes=DIR         Search the specified directory for nDPI header files],
   [
      if test ! -d $withval ; then :
         AC_MSG_ERROR(ERROR: Can't open custom nDPI header files directory $withval)
      fi
      if test ! -r $withval/ndpi_main.h ; then :
         AC_MSG_ERROR(ERROR: Can't read ndpi_main.h in custom nDPI header files directory $withval)
      fi
      NDPI_CUST_INC="-I$withval -I$withval/../lib/third_party/include"
   ])

if test -d /usr/local/include/ndpi ; then :
   echo "WARNING: /usr/local/include/ndpi is present and might lead to compile errors"
fi

NDPI_INC=`echo $NDPI_CFLAGS | sed -e "s/[ ]*$//"`
NDPI_LIB=
NDPI_LIB_DEP=

AC_MSG_CHECKING(for nDPI source)
      if test -d "./nDPI" ; then :
         NDPI_HOME=./nDPI
      elif test -d "../nDPI" ; then :
         NDPI_HOME=../nDPI
      elif test -d "$HOME/nDPI" ; then :
         NDPI_HOME=$HOME/nDPI
      fi

      if test ! -z "$NDPI_HOME" ; then :
         AC_MSG_RESULT(found in $NDPI_HOME)
         NDPI_LIB=$NDPI_HOME/src/lib/libndpi.a
         AC_MSG_CHECKING(for $NDPI_LIB)
         if test -r $NDPI_LIB ; then :
            AC_MSG_RESULT(found $NDPI_LIB)
         else
            AC_MSG_RESULT(not found $NDPI_LIB: compiling)
            cd $NDPI_HOME; ./autogen.sh; ${MAKE}; cd -
         fi
         NDPI_INC="-I$NDPI_HOME/src/include -I$NDPI_HOME/src/lib/third_party/include"
         NDPI_LIB=$NDPI_HOME/src/lib/libndpi.a
         NDPI_LIB_DEP=$NDPI_LIB
      else
         AC_MSG_RESULT(not found)
      fi


if test ! -z "$NDPI_CUST_INC" ; then :
  NDPI_INC=$NDPI_CUST_INC
fi

if test ! -z "$NDPI_CUST_LIB" ; then :
  NDPI_LIB=$NDPI_CUST_LIB
fi

if test -z "$NDPI_INC" || test -z "$NDPI_LIB" ; then :
  echo "Could not find nDPI"
  echo "Please do cd ..; git clone https://github.com/ntop/nDPI.git; cd nDPI; ./autogen.sh; ${MAKE}; cd ../ntopng"
  echo "and try again"
  exit 1
fi
dnl finish: nDPI handling

AC_ARG_WITH(json-c-static,
    [  --with-json-c-static       Use static link for the json-c library],
    [PKG_CHECK_MODULES_STATIC(JSON, json-c, [], [AC_MSG_ERROR(Please install libjson-c-dev package prerequisite)])],
    [PKG_CHECK_MODULES(JSON, json-c, [], [AC_MSG_ERROR(Please install libjson-c-dev package prerequisite)])]
)

if test -x /bin/freebsd-version; then
 FREEBSD_VERSION=`freebsd-version | cut -f 1 -d '.'`
fi

pkg-config --exists libssl
if test "$?" -ne 1; then
  AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
  SSL_INC="`pkg-config --cflags libssl` -I/usr/include/openssl"
  SSL_LIB="`pkg-config --libs libssl` -lssl -lcrypto"
else
  dnl Workaround for MacOS Brew
  if test -d "/usr/local/Cellar/openssl@1.1"; then
    AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
    SSL_INC="-I/usr/local/Cellar/openssl@1.1/include"
    SSL_LIB="-L/usr/local/Cellar/openssl@1.1/lib -lssl -lcrypto"
  elif test -d "/usr/local/opt/openssl/lib"; then
    AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
    SSL_INC="-I/usr/local/opt/openssl/include"
    SSL_LIB="-L/usr/local/opt/openssl/lib -lssl -lcrypto"
  elif test -d "/opt/homebrew/Cellar/openssl@1.1"; then
    AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
    SSL_INC="-I/opt/homebrew/Cellar/openssl@1.1/include"
    SSL_LIB="-L/opt/homebrew/Cellar/openssl@1.1 -lssl -lcrypto"
  elif test -d "/usr/local/opt/openssl/lib"; then
    AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
    SSL_INC="-I/usr/local/opt/openssl/include"
    SSL_LIB="-L/usr/local/opt/openssl/lib -lssl -lcrypto"
  dnl Workaround for FreeBSD
  elif test -f "/usr/lib/libssl.so"; then
    AC_DEFINE_UNQUOTED(NO_SSL_DL, 1, [has openssl])
    SSL_INC="-I/usr/include"
    SSL_LIB="-L/usr/lib -lssl -lcrypto"
  else
    echo "Please install openssl-dev(el) package prerequisite"
    exit -1
  fi
fi

AC_MSG_CHECKING([PF_RING nBPF])
NBPF_HOME=${PWD}/../PF_RING/userland/nbpf
LIBNBPF=${NBPF_HOME}/libnbpf.a
if test -f ${LIBNBPF}; then :
   LIBS="${LIBS} ${LIBNBPF}"
   CFLAGS="${CFLAGS} -I${NBPF_HOME}"
   AC_DEFINE_UNQUOTED(HAVE_NBPF, "1", [PF_RING nBPF is present])
   AC_MSG_RESULT(yes)
else
   AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(for ntopng professional edition)

REDIS_SERVICE="redis.service"
if [ test -f /usr/bin/lsb_release ]; then
  UBUNTU_RELEASE=`lsb_release -r|cut -f 2`
  UBUNTU_SUB_RELEASE=`echo $UBUNTU_RELEASE|cut -f 1 -d '.'`
  if test "$UBUNTU_SUB_RELEASE" = "8" || test "$UBUNTU_SUB_RELEASE" = "10"; then
    REDIS_SERVICE="redis-server.service"
  fi
fi

SERVICE_ALIAS=
SERVICE_REQUIRES=
SERVICE_WANTS=${REDIS_SERVICE}
if test "$MACHINE" = "armv7l"; then
  SERVICE_AFTER="network-online.target time-sync.target syslog.target ${REDIS_SERVICE}"
  if test "${with_nedge+set}" = "set"; then
    SERVICE_ALIAS="nedge.service"
  fi
elif test "${with_nedge+set}" = "set"; then
  SERVICE_AFTER="network-online.target syslog.target ${REDIS_SERVICE}"
  SERVICE_REQUIRES="${SERVICE_REQUIRES} nedge_pinger.service"
  SERVICE_WANTS="network-online.target ${SERVICE_WANTS}"
  SERVICE_PRE="ExecStartPre=sleep 5"
  SERVICE_ALIAS="nedge.service"
else
  SERVICE_AFTER="network.target syslog.target ${REDIS_SERVICE} pf_ring.service cluster.service mysql.service"
  SERVICE_WANTS="${SERVICE_WANTS} pf_ring.service cluster.service"
fi

APP=
if test "${with_nedge+set}" = "set"; then
  APP=nedge
else
  APP=ntopng
fi

if test -d "pro"; then :
AC_MSG_RESULT(yes)
PRO_OBJECTS='$(patsubst pro/src/%.cpp, pro/src/%.o, $(wildcard pro/src/*.cpp)) $(patsubst pro/src/flow_checks/%.cpp, pro/src/flow_checks/%.o, $(wildcard pro/src/flow_checks/*.cpp)) $(patsubst pro/src/host_checks/%.cpp, pro/src/host_checks/%.o, $(wildcard pro/src/host_checks/*.cpp))'
CFLAGS="${CFLAGS} -I ./pro/include -I./pro/include/flow_checks -I ./pro/include/host_checks"

PRO_HEADERS='$(wildcard pro/include/*.h) $(wildcard pro/include/flow_checks/*.h) $(wildcard pro/include/host_checks/*.h) '
PRO_MAKEFILE_INC="include ./pro/inc.Makefile"
dnl> Remove heading spaces
AC_DEFINE_UNQUOTED(NTOPNG_PRO, 1, [Building ntopng professional])
AC_DEFINE_UNQUOTED(HAVE_CLICKHOUSE, 1, [Building with ClickHouse support])
AC_DEFINE_UNQUOTED(NTOPNG_PRO_GIT_RELEASE, "r${PRO_GIT_RELEASE}", [ntopng professional release])
AC_DEFINE_UNQUOTED(NTOPNG_PRO_GIT_DATE, "${PRO_GIT_DATE}", [ntopng professional date])
DUMMY=`cd ./pro; ${MAKE} build`
PRO_INCS="${PRO_INCS} -I${HERE}/pro -I${HERE}/pro/utils -I${HERE}/pro/third-party/libb64-1.2.1/include"

if test -r "../license/license.h"; then :
  LICENSEDIR="`pwd`/../license"
  LICENSELIBS="-L${LICENSEDIR} -llicense -L${LICENSEDIR}/license-manager/client/ -llicmgrclient"
  AC_DEFINE_UNQUOTED(NTOPNG_PRO_HAVE_LICENSE, 1, [ntopng has license])
  PRO_LIBS="${PRO_LIBS} ${LICENSELIBS}"
  LICENSE_VERSION=`${LICENSEDIR}/packages/version.sh --version`
  LICENSE_DEP="ntop-license = ${LICENSE_VERSION}, ndpi"
fi
else
  AC_MSG_RESULT(not found)
fi

GIT_COMMITS=`git rev-list --all |wc -l | tr -d '[[:space:]]'`
REVISION=${GIT_COMMITS}
AC_DEFINE_UNQUOTED(PACKAGE_REVISION, "${GIT_COMMITS}", [Package Revision])

AC_DEFINE_UNQUOTED(NTOPNG_GIT_RELEASE, "${GIT_BRANCH}:${GIT_RELEASE}", [GIT Release])
AC_DEFINE_UNQUOTED(NTOPNG_GIT_DATE, "${GIT_DATE}", [Last GIT change])

if test -z `which pkg-config`; then
  echo "#!/bin/sh\n" > pkg-config
fi

if test -f ".git/index"; then
  GIT_INDEX=".git/index"
fi

if test $SYSTEM = "Linux"; then
  if [ test -f /usr/bin/lsb_release ]; then
      OSNAME=`/usr/bin/lsb_release -d|cut -d ':' -f 2| sed -e 's/^[[[:space:]]]*//'`
      OS="$OSNAME"
  else
    if test -f /etc/debian_version; then
       DEBIAN_VERSION=`cat /etc/debian_version`
       OSNAME="Debian $DEBIAN_VERSION"
    else
        if test -f /etc/redhat-release; then
          OS=`cat /etc/redhat-release | cut -d '(' -f 1 | awk '{$1=$1};1'`
        else
          OS=`./config.guess`
        fi
   fi
  fi
else
dnl> wget -O config.guess 'http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD'
  if test $SYSTEM = "FreeBSD"; then
    OSNAME=$OS
  else
    OSNAME=`./config.guess`
  fi
fi

if test $MACHINE = "x86_64"; then
  EXTN="amd64"
else
  if test $MACHINE = "i686"; then
    EXTN="i386"
  fi
fi

DATE=`date +"%Y-%m-%d"`

AC_CHECK_LIB(resolv, inet_aton)
HIREDIS_INC=
HIREDIS_LIB=
AS_VAR_IF(with_hiredis, yes, [
    if test -f "${HOME}/hiredis/libhiredis.a" ; then :
      HIREDIS_INC="-I${HOME}/hiredis/"
      HIREDIS_LIB="${HOME}/hiredis/libhiredis.a"
    else
      pkg-config --exists hiredis
      if test "$?" -ne 1; then
      HIREDIS_INC="`pkg-config --cflags hiredis` -I/usr/include/hiredis"
      if test $SYSTEM = "FreeBSD" && $FREEBSD_VERSION != "15"; then
	dnl> Note: on freebsd 15 .a is not installed
        HIREDIS_LIB="/usr/local/lib/libhiredis.a"
      else
        HIREDIS_LIB="`pkg-config --libs hiredis`"
      fi
      else
      echo "Please install hiredis package prerequisite"
      exit -1
      fi
   fi
])

if test "${with_nedge+set}" != set; then
  if test -d "${HOME}/PF_RING" ; then :
     PF_RING_HOME=${HOME}/PF_RING
  elif test -d "../PF_RING" ; then :
     PF_RING_HOME=../PF_RING
  elif test -d "./PF_RING" ; then :
     PF_RING_HOME=./PF_RING
  else
     PF_RING_HOME=${HOME}/PF_RING
  fi

  if test $SYSTEM = "FreeBSD"; then
     LIBPCAP="${PF_RING_HOME}/userland/libpcap/libpcap.a"
  else
    if test -d ${PF_RING_HOME}; then
      AC_MSG_CHECKING(for PF_RING source installed in $PF_RING_HOME)
    fi
  fi

 if test -f "/usr/local/lib/libpfring.a" || test -f "/opt/pfring/lib/libpfring.a" || test -f "${PF_RING_HOME}/userland/lib/libpfring.a"; then
  AC_DEFINE_UNQUOTED(HAVE_PF_RING, 1, [Native PF_RING support])
  if test -f "${PF_RING_HOME}/userland/lib/libpfring.a"; then
     echo "${PF_RING_HOME}/userland/libpcap/libpcap.a"
     if test -f "${PF_RING_HOME}/userland/libpcap/libpcap.a"; then
       LIBS="${LIBS} ${PF_RING_HOME}/userland/lib/libpfring.a -L${PF_RING_HOME}/userland/libpcap/ `${PF_RING_HOME}/userland/lib/pfring_config --libs`"
       CXXFLAGS="${CXXFLAGS} -I${PF_RING_HOME}/kernel -I${PF_RING_HOME}/userland/lib -I${PF_RING_HOME}/userland/libpcap"
       echo "Using PF_RING installed in ${PF_RING_HOME}"
     else
       echo "Found PF_RING but the userland libs have not been compiled"
       exit 1
     fi
  else
     if test -d "/opt/pfring"; then
       if test -f "/opt/pfring/lib/libpfring.a"; then
         echo "/opt/pfring/lib/libpfring.a"
         LIBS="${LIBS} /opt/pfring/lib/libpfring.a -L/opt/pfring/lib"
         CXXFLAGS="${CXXFLAGS} -I/opt/pfring/include"
         echo "Using PF_RING installed in /opt/pfring"
      else
       if test -f "/usr/local/lib/libpfring.a"; then
        if test -f "/usr/local/lib/libpcap.a"; then
    	  LIBS="${LIBS} /usr/local/lib/libpfring.a"
          echo "Using PF_RING installed in /usr/local/lib"
	  AC_CHECK_LIB([pcap], [pcap_open_live], pcap=true)
	  if test x$pcap = x
	  then
	    echo "Found /usr/local/lib/libpfring.a but missing header files."
	    exit 1
	  fi
	else
	  echo "Found /usr/local/lib/libpfring.a  but missing libpcap.a in the same directory"
	  echo "Please make sure you have installed your PF_RING libraries and try again"
	  exit 1
        fi
      fi
    fi
  else
  LIBS="${LIBS} -lpfring -lpcap"
  echo "Compiling ntopng with PF_RING support [${LIBS}]"
 fi
 fi
else
  AC_CHECK_LIB([pcap], [pcap_open_live], pcap=true)
  if test x$pcap = x
  then
    echo "Please install libpcap(-dev) (http://tcpdump.org)"
    exit 1
  fi
 fi
fi

SNMP_LIB=
SNMP_INC=
if test "${with_nedge+set}" != set; then
  if test $SYSTEM = "Darwin"; then
    dnl>
    dnl> MacOS Note on NET-SNMP
    dnl>
    dnl> Note MacOS support can be enbled by uncommenting the lines below
    dnl> however net-snmp threaded API seems to be bugged on MacOS thus
    dnl> we better keep it commented unless you know what you are doing
    dnl>
    dnl> if test -d "/usr/local/opt/net-snmp/lib/"; then
    dnl>   SNMP_LIB="-L/usr/local/opt/net-snmp/lib/ -lsnmp"
    dnl>   SNMP_INC="-I/usr/local/opt/net-snmp/include/"
    dnl>   AC_DEFINE_UNQUOTED(HAVE_LIBSNMP, 1, [has net-snmp])
    dnl> fi
    SNMP_LIB=
  else
    AC_CHECK_LIB([snmp], [init_snmp])

    if test "x$ac_cv_lib_snmp_init_snmp" = xyes; then :
      SNMP_LIB="-lsnmp"
     else
      AC_CHECK_LIB([netsnmp], [init_snmp])

      if test "x$ac_cv_lib_netsnmp_init_snmp" = xyes; then :
         SNMP_LIB="-lnetsnmp"
         AC_DEFINE_UNQUOTED(HAVE_LIBSNMP, 1, [has net-snmp])
      fi
    fi
   fi
fi

if test "${with_nedge+set}" != set; then
 FRING_VERSION=""
 if test -f "$HOME/PF_RING/kernel/linux/pf_ring.h"; then
  PFRING_VERSION=`$HOME/PF_RING/package/version.sh --version`
 fi
fi

AC_CHECK_LIB([cap], [cap_get_proc], cap=true)
if test x$cap != x; then
  LIBS="${LIBS} -lcap"
  AC_DEFINE([HAVE_LIBCAP],[1],[Support for privilege drop])
fi

if test "${with_nedge+set}" != set; then
 if test $SYSTEM != "FreeBSD"; then
   AC_CHECK_LIB([ldap], [ldap_initialize], [LIBS="${LIBS} -lldap -llber"])
   if test "x$ac_cv_lib_ldap_ldap_initialize" = xyes; then
     AC_DEFINE_UNQUOTED(HAVE_LDAP, 1, [LDAP support is present])
   fi
 fi
fi

UGLIFYJS=`which uglifyjs`
if test x$UGLIFYJS != x; then
  UGLIFYJS_VERSION=`$UGLIFYJS --version | cut -f 2 -d" "`
  UGLIFYJS_MAJOR_VERSION="${UGLIFYJS_VERSION%%.*}"
fi

AC_CHECK_LIB(gtest, main, AC_MSG_RESULT(Please type 'make unit_test' to compile unit tests),
AC_MSG_RESULT([Please do 'sudo apt-get install libgtest-dev' in order to enable unit tests]))

AC_CHECK_LIB([rrd_th], [rrd_update_r], [LIBRRD_LD_FLAGS=-lrrd_th], [LIBRRD_LD_FLAGS=`pkg-config --libs librrd`])

AC_CHECK_LIB([nl], [nl_handle_alloc], [LIBS="${LIBS} -lnl"])
AC_CHECK_LIB([rt], [clock_gettime],   [LIBS="${LIBS} -lrt"])

AC_CHECK_LIB([z], [zlibVersion], [LIBS="${LIBS} -lz"; AC_DEFINE_UNQUOTED(HAVE_ZLIB, 1, [zlib is present])])

dnl> ldl (used by edjdb)
AC_CHECK_LIB([dl], [dlopen], [LIBS="${LIBS} -ldl"])

AC_CHECK_LIB([curl], [curl_easy_perform], [LIBS="${LIBS} -lcurl"])
if test ${ac_cv_lib_curl_curl_easy_perform} = "no"; then
  echo "Please install libcurl(-dev) (http://curl.haxx.se/)"
  exit 1
else
  dnl> libcurl has CURLOPT_MAIL_RCPT only starting at version 7.20.0
  dnl> https://github.com/curl/curl/blob/curl-7_20_0/TODO-RELEASE

  AC_MSG_CHECKING(for curl SMTP support)
  if `pkg-config --atleast-version="7.20.0" libcurl` ; then
    AC_DEFINE_UNQUOTED(HAVE_CURL_SMTP, 1, [curl supports SMTP])
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

RPM_SIGN_CMD="rpm --addsign"
if test -f "/etc/centos-release"; then
  CENTOS_RELEASE=`cat /etc/centos-release | cut -d ' ' -f 3|cut -d '.' -f 1`
  if test $CENTOS_RELEASE = "release"; then
    CENTOS_RELEASE=`cat /etc/centos-release | cut -d ' ' -f 4|cut -d '.' -f 1`
  fi

  if test "$CENTOS_RELEASE" -ne 8; then
    RPM_SIGN_CMD="./packages/rpm-sign.exp"
  fi
fi

AC_ARG_WITH(maxminddb-static,
    [  --with-maxminddb-static       Use static link for the maxminddb library],
    [PKG_CHECK_MODULES_STATIC(MAXMINDDB, libmaxminddb,
        [
            DOWNLOAD_GEOIP=1
            AC_DEFINE_UNQUOTED(HAVE_MAXMINDDB, 1, [MaxMind DB support])
        ],
        [AC_MSG_ERROR(Please install libmaxminddb-dev (https://github.com/maxmind/libmaxminddb) and try again)]
    )],
    [PKG_CHECK_MODULES(MAXMINDDB, libmaxminddb,
        [
            DOWNLOAD_GEOIP=1
            AC_DEFINE_UNQUOTED(HAVE_MAXMINDDB, 1, [MaxMind DB support])
        ],
        [AC_MSG_ERROR(Please install libmaxminddb-dev (https://github.com/maxmind/libmaxminddb) and try again)]
    )]
)

AC_CHECK_LIB([sqlite3], [sqlite3_open], sqlite=true)
if test x$sqlite = xtrue; then
  AC_DEFINE_UNQUOTED([HAVE_SQLITE], 1, [We have sqlite])
  SQLITE_LIB="-lsqlite3"
else
  echo "SQLite 3.x missing (libsqlite3-dev): please install it and try again"
  exit 1
fi

if test $SYSTEM != "FreeBSD"; then
  AC_CHECK_TOOL(MARIADB, mariadb_config)
  if test "x$ac_cv_prog_ac_ct_MARIADB" = "xmariadb_config"; then
    MYSQLTOOL="mariadb_config"
  else
    PATH=$PATH:/usr/local/mysql/bin
    AC_CHECK_TOOL(MYSQL, mysql_config)
    if test "x$ac_cv_prog_ac_ct_MYSQL" = "xmysql_config"; then
      MYSQLTOOL="mysql_config"
    else
      MYSQLTOOL=""
    fi
  fi

  if test -n "$MYSQLTOOL"; then
    MYSQLLIBS="`$MYSQLTOOL --libs_r`"
    if test ".$MYSQLLIBS" != "."; then
      MYSQL_LIB="`$MYSQLTOOL --libs`"
    else
      MYSQL_LIB="`$MYSQLTOOL --libs_r`"
    fi

    MYSQL_INC="`$MYSQLTOOL --include`"
    AC_DEFINE_UNQUOTED(HAVE_MYSQL, 1, [use mysql])
    AC_CHECK_LIB([wrap], [main])
  else
    echo "Building without support for MySQL libraries."
  fi
else
   dnl> FreeBSD
   if test -f "/usr/local/lib/mysql/libmysqlclient.a"; then
     MYSQL_LIB=/usr/local/lib/mysql/libmysqlclient.a
     MYSQL_INC="-I /usr/local/include/mysql/"
     AC_DEFINE_UNQUOTED(HAVE_MYSQL, 1, [use mysql])
   fi
fi

AC_CHECK_LIB([expat], [XML_ParserCreate], expat=true)
if test x$expat = xtrue; then
  AC_DEFINE_UNQUOTED(HAVE_EXPAT, 1, [Expath present, needed by speedtest])
  EXPAT_LIB="-lexpat"
else
  echo "Missing libexpat (speedtest disabled). Install libexpat1-dev (apt) or expat-devel (yum)"
fi

AC_CHECK_LIB([radcli], [rc_read_config], radcli=true)
if test x$radcli = xtrue; then
  RADCLI_LIB="-lradcli"
  AC_DEFINE_UNQUOTED(HAVE_RADIUS, 1, [RADIUS support is present])

  AC_CHECK_LIB([radcli], [rc_test_config], rc_test_config=true)
  if test x$rc_test_config = xtrue
  then
    AC_DEFINE_UNQUOTED(HAVE_RC_TEST_CONFIG, 1, [rc_test_config exists in radcli])
  fi
fi

AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t], AC_DEFINE_UNQUOTED(HAVE_RW_LOCK, 1, [pthread rwlocks supported]))

if test -f /usr/bin/lsb_release; then
  LINUX_OS_RELEASE=`lsb_release -r | cut -f 2|cut -d '.' -f 1`
else
  LINUX_OS_RELEASE=0
fi

if test "${with_nedge+set}" != set; then
  if test $LINUX_OS_RELEASE -eq 7; then
    MYSQL_DEP="mariadb-libs >= 5.5 tcp_wrappers-libs >= 7.6"
  else
    MYSQL_DEP="mysql-libs >= 5.1.0 tcp_wrappers-libs >= 7.6"
  fi
fi

AC_DEFINE_UNQUOTED(_CRT_SECURE_NO_WARNINGS, 1, [Disable warning on windows])

GMAKE='$(MAKE)'

GIT=`which git`
if test x$GIT = x; then
  AC_MSG_RESULT(FATAL ERROR: git is not installed on your host)
fi

umask 002

INSTALL_DIR=${prefix}
if test $INSTALL_DIR = "NONE"; then
  INSTALL_DIR=${ac_default_prefix}
fi

if test $SYSTEM = "Darwin"; then
  MAN_DIR=$INSTALL_DIR/share/man
else
  MAN_DIR=$INSTALL_DIR/man
fi

if test $SYSTEM = "OpenBSD"; then
  INSTALL_DIR=${prefix}
  MAN_DIR=${prefix}
fi

STABLE_SUFFIX=""
if test $GIT_BRANCH != "dev"; then
  STABLE_SUFFIX="-stable"
fi

if test $SYSTEM = "Darwin"; then
   MYSQL_LIB=`echo $MYSQL_LIB | sed 's/openssl@1.1/openssl@1.1/g'`
fi

PWD=${HERE}
AC_DEFINE_UNQUOTED(PACKAGE_RELEASE, "r$GIT_RELEASE", [GIT release of this package])
AC_DEFINE_UNQUOTED(PACKAGE_MACHINE, "$MACHINE", [Architecture of this host])
AC_DEFINE_UNQUOTED(PACKAGE_OS, "${OS}", [OS Name])
AC_SUBST(PWD)
AC_SUBST(MACHINE)
AC_SUBST(SYSTEM)
AC_SUBST(BIN_PATH)
AC_SUBST(EXTN)
AC_SUBST(DATE)
AC_SUBST(KERNEL)
AC_SUBST(GIT_RELEASE)
AC_SUBST(LINK_OPTS)
AC_SUBST(SQLITE_LIB)
AC_SUBST(GMAKE)
AC_SUBST(CPP)
AC_SUBST(CXX)
AC_SUBST(CFLAGS)
AC_SUBST(CXXFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(NTOPNG_VERSION)
AC_SUBST(NTOPNG_SHORT_VERSION)
AC_SUBST(GIT_RELEASE)
AC_SUBST(GIT_DATE)
AC_SUBST(GIT_INDEX)
AC_SUBST(INSTALL_DIR)
AC_SUBST(MAN_DIR)
AC_SUBST(NDPI_HOME)
AC_SUBST(NDPI_INC)
AC_SUBST(NDPI_LIB)
AC_SUBST(NDPI_LIB_DEP)
AC_SUBST(HIREDIS_INC)
AC_SUBST(HIREDIS_LIB)
AC_SUBST(EXPAT_LIB)
AC_SUBST(RADCLI_LIB)
AC_SUBST(SSL_INC)
AC_SUBST(SSL_LIB)
AC_SUBST(PRO_OBJECTS)
AC_SUBST(PRO_HEADERS)
AC_SUBST(PRO_MAKEFILE_INC)
AC_SUBST(PRO_LIBS)
AC_SUBST(PRO_INCS)
AC_SUBST(LICENSE_DEP)
AC_SUBST(REVISION)
AC_SUBST(MYSQL_LIB)
AC_SUBST(MYSQL_INC)
AC_SUBST(MYSQL_DEP)
AC_SUBST(SNMP_INC)
AC_SUBST(SNMP_LIB)
AC_SUBST(NTOPCLOUD_LIB)
AC_SUBST(PFRING_VERSION)
AC_SUBST(NEDGE)
AC_SUBST(UGLIFYJS_MAJOR_VERSION)
AC_SUBST(SERVICE_AFTER)
AC_SUBST(SERVICE_REQUIRES)
AC_SUBST(SERVICE_WANTS)
AC_SUBST(SERVICE_PRE)
AC_SUBST(SERVICE_ALIAS)
AC_SUBST(APP)
AC_SUBST(JE)
AC_SUBST(LIBPCAP)
AC_SUBST(RPM_SIGN_CMD)
AC_SUBST(LIBRRD_LD_FLAGS)
AC_SUBST(STABLE_SUFFIX)
AC_SUBST(LIBS)
AC_SUBST(FUZZ_MAKEFILE_INC)
AC_SUBST(FUZZ_OBJECTS)
AC_CONFIG_HEADERS(include/config.h)
AC_CONFIG_FILES(packages/ntopng.spec)
AC_CONFIG_FILES(packages/ntopng-data.spec)
AC_CONFIG_FILES(packages/FreeBSD/build.sh)
AC_CONFIG_FILES(packages/OPNsense/build.sh)
AC_CONFIG_FILES(packages/OPNsense/package/+MANIFEST)
AC_CONFIG_FILES(packages/OPNsense/package/+POST_INSTALL)
AC_CONFIG_FILES(packages/OPNsense/package/Makefile)
AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(fuzz/Makefile)
AC_CONFIG_FILES(tools/json2tlv/Makefile)
AC_CONFIG_FILES(doc/doxygen.conf)
AC_CONFIG_FILES(httpdocs/misc/ntopng-utils-manage-config)
AC_CONFIG_FILES(httpdocs/misc/ntopng-utils-manage-updates)
AC_CONFIG_FILES(packages/wizard/ntopng-config)
AC_CONFIG_FILES(packages/etc/systemd/system/ntopng.service)
AC_CONFIG_FILES(packages/etc/systemd/system/ntopng@.service)
AC_CONFIG_FILES(python/setup.py)
AC_CONFIG_FILES(python/__init__.py)

AC_OUTPUT

if test -f "httpdocs/misc/ntopng-utils-manage-config"; then
  chmod +x httpdocs/misc/ntopng-utils-manage-config
fi

if test -f "httpdocs/misc/ntopng-utils-manage-updates"; then
  chmod +x httpdocs/misc/ntopng-utils-manage-updates
fi

if test -f "packages/wizard/ntopng-config"; then
  chmod +x packages/wizard/ntopng-config
fi

if test -f "packages/OPNsense/build.sh"; then
  chmod +x packages/OPNsense/build.sh
fi

echo "
This is the ntopng configuration:

C Compiler          : ${CC}
C Flags             : ${CFLAGS}
C++ Compiler        : ${CXX}
C++ Flags           : ${CXXFLAGS}
Preprocessor        : ${CPP}
Preprocessor Flags  : ${CPPFLAGS}
Linker Flags:       : ${LDFLAGS}
System Libs         : ${LIBS}
nDPI Lib:           : ${NDPI_LIB}
JSON Lib:           : ${JSON_LIBS}
SSL Lib:            : ${SSL_LIB}
SNMP Lib            : ${SNMP_LIB}
Expat Lib           : ${EXPAT_LIB}
SQLite Lib          : ${SQLITE_LIB}
MySQL Lib           : ${MYSQL_LIB}
PCAP Lib            : ${LIBPCAP}
ZMQ Lib             : ${ZMQ_LIBS}
libprotobuf-mutator : ${LIBPROTOBUF_MUTATOR_LIBS}
protobuf Lib        : ${PROTOBUF_LIBS}
Install path        : ${INSTALL_DIR}

You are now ready to compile typing 'make'
"

if test "$DOWNLOAD_GEOIP" = "1"; then
  echo "Please do not forget to download GeoIP databases from either https://maxmind.com or https://db-ip.com"
  echo ""
fi

dnl>
dnl> ntopng release history
dnl>
dnl> 0.1    	r6089	2013-03-25
dnl> 1.0	r6533	2013-06-30
dnl> 1.1	r6929	2013-11-03
dnl> 1.2	r8114	2014-08-13
dnl> 1.2.1	r8202	2014-09-06
dnl> 2.0		2015-06-01
dnl> 2.2		2015-11-30
dnl> 2.4		2016-06-27
dnl> 3.0		2017-06-01
dnl> 4.0		2020-03-24
dnl> 4.2		2020-11-02
