#!/bin/sh

LC_ALL=C
export LC_ALL

. auto/options
. auto/init
. auto/sources

test -d $TC_OBJS || mkdir $TC_OBJS

echo > $TC_AUTO_HEADERS_H
echo > $TC_AUTOCONF_ERR

echo "#define TC_CONFIGURE \"$TC_CONFIGURE\"" > $TC_AUTO_CONFIG_H


if test -z "$TC_PLATFORM"; then
    echo "checking for OS"

    TC_SYSTEM=`uname -s 2>/dev/null`
    TC_MAJOR=`uname -r | cut -d. -f1`;
    TC_MINOR=`uname -r | cut -d. -f2`;
    TC_MACHINE=`uname -m 2>/dev/null`

    echo " + $TC_SYSTEM $TC_MAJOR.$TC_MINOR $TC_MACHINE"

    TC_PLATFORM="$TC_SYSTEM:$TC_MAJOR:$TC_MINOR:$TC_MACHINE";

else
    echo "building for $TC_PLATFORM"
    TC_SYSTEM=$TC_PLATFORM
fi

case "$TC_PLATFORM" in

    Linux:*)
    . auto/os/linux
    ;;  

    *) 
    echo "error: Linux only!"
    exit 1
esac

if [ $TC_DEBUG = YES ]; then
    have=TC_DEBUG . auto/have
fi

if [ $TC_SINGLE = YES ]; then
    have=TC_SINGLE . auto/have
fi

if [ $TC_MILLION_SUPPORT = YES ]; then
    have=TC_MILLION_SUPPORT . auto/have
fi

if [ $TC_ADVANCED = YES ]; then
    TC_PCAP_CAPTURE=YES
    TC_NFQUEUE=NO
    have=TC_ADVANCED . auto/have
else
    if test $TC_MAJOR -gt 3; then
        TC_NFQUEUE=YES
        echo "use nfqueue"
    elif test $TC_MAJOR -eq 3; then
        if test $TC_MINOR -ge 5; then
            TC_NFQUEUE=YES
            echo "use nfqueue"
        else
            echo "ip_queue could be supported"
        fi
    else
        echo "ip_queue could be supported"
    fi
fi


if [ $TC_NFQUEUE = YES ]; then
    have=TC_NFQUEUE . auto/have
    CORE_LIBS="$CORE_LIBS -lnfnetlink -lnetfilter_queue" 
fi

if [ $TC_COMBINED = YES ]; then
    have=TC_COMBINED . auto/have
fi

if [ $TC_PCAP_CAPTURE = YES ]; then
    TC_PCAP_NEEDED=YES
fi

if [ $TC_PCAP_NEEDED = YES ]; then
    if [ $TC_PF_RING_DIR != NONE ]; then
        have=TC_HAVE_PF_RING . auto/have
        CORE_LIBS="$CORE_LIBS $TC_PF_RING_DIR/userland/libpcap/libpcap.a"
        CORE_LIBS="$CORE_LIBS $TC_PF_RING_DIR/userland/lib/libpfring.a"
        CORE_LIBS="$CORE_LIBS -lrt -lpthread -lnuma"
    else
        CORE_LIBS="$CORE_LIBS -lpcap" 
    fi
fi

if [ $TC_DNAT = YES ]; then
    have=TC_DNAT . auto/have
fi

. auto/cc/conf
. auto/headers
. auto/os/conf
. auto/linux


if [ $TC_PAYLOAD = YES ]; then
    have=TC_PAYLOAD . auto/have
fi


case ".$TC_PREFIX" in
    .)
        TC_PREFIX=${TC_PREFIX:-/usr/local/intercept}
        have=TC_PREFIX value="\"$TC_PREFIX/\"" . auto/define
    ;;

    .!)
        TC_PREFIX=
    ;;

    *)
        have=TC_PREFIX value="\"$TC_PREFIX/\"" . auto/define
    ;;
esac

if [ ".$TC_CONF_PREFIX" != "." ]; then
    have=TC_CONF_PREFIX value="\"$TC_CONF_PREFIX/\"" . auto/define
fi

have=TC_SBIN_PATH value="\"$TC_SBIN_PATH\"" . auto/define
have=TC_CONF_PATH value="\"$TC_CONF_PATH\"" . auto/define
have=TC_PID_PATH value="\"$TC_PID_PATH\"" . auto/define
have=TC_ERROR_LOG_PATH value="\"$TC_ERROR_LOG_PATH\"" . auto/define

. auto/make
. auto/install
. auto/summary