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Commit a85c64c3 authored by aikaterini.trilyraki's avatar aikaterini.trilyraki
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build_oai script and cmake updated - rf device and transport protocol... 

build_oai script and cmake updated - rf device and transport protocol libraries are dynamically linked Note: EXMIMO not supported yet (even though compilation is successful)
parent 40d63869
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Showing with 216 additions and 64 deletions
cmake_targets/CMakeLists.txt
View file @ a85c64c3
......@@ -407,8 +407,47 @@ add_list1_option(NB_ANTENNAS_RX "2" "Number of antennas in reception" "1" "2" "4
add_list1_option(NB_ANTENNAS_TX "2" "Number of antennas in transmission" "1" "2" "4")
add_list1_option(NB_ANTENNAS_TXRX "2" "Number of antennas in ????" "1" "2" "4")
add_list2_option(RF_BOARD "EXMIMO" "RF head type" "False" "EXMIMO" "OAI_USRP" "ETHERNET" "OAI_BLADERF" "CPRIGW")
add_list2_option(RF_BOARD "NO_VALUE" "RF head type" "False" "EXMIMO" "OAI_USRP" "OAI_BLADERF" "CPRIGW" "NO_VALUE")# make cleanup false rf_head_type cprigw???
add_list2_option(TRANSP_PRO "NO_VALUE" "ETHERNET" "NO_VALUE")
# include RF devices / transport protocols library modules
######################################################################
include_directories("${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/")
include_directories ("${OPENAIR_TARGETS}/ARCH/EXMIMO/DEFS/")
#set (option_HWEXMIMOLIB_lib "-l ")
set(HWLIB_EXMIMO_SOURCE
${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/gain_control.c
)
add_library(oai_exmimodevif MODULE ${HWLIB_EXMIMO_SOURCE} )
include_directories("${OPENAIR_TARGETS}/ARCH/USRP/USERSPACE/LIB/")
set (option_HWUSRPLIB_lib "-l uhd")
set(HWLIB_USRP_SOURCE
${OPENAIR_TARGETS}/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
)
add_library(oai_usrpdevif MODULE ${HWLIB_USRP_SOURCE} )
include_directories("${OPENAIR_TARGETS}/ARCH/BLADERF/USERSPACE/LIB/")
set (option_HWBLADERFLIB_lib "-l bladerf")
set(HWLIB_BLADERF_SOURCE
${OPENAIR_TARGETS}/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
)
add_library(oai_bladerfdevif MODULE ${HWLIB_BLADERF_SOURCE} )
include_directories("${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/")
set(TPLIB_ETHERNET_SOURCE
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
)
add_library(oai_eth_transpro MODULE ${TPLIB_ETHERNET_SOURCE} )
# RF devices / transport protocols settings
######################################################################
if (${RF_BOARD} STREQUAL "EXMIMO")
set(DRIVER2013)
include_directories ("${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/")
......@@ -416,6 +455,7 @@ if (${RF_BOARD} STREQUAL "EXMIMO")
set(HW_SOURCE ${HW_SOURCE}
${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
${OPENAIR_TARGETS}/ARCH/EXMIMO/USERSPACE/LIB/gain_control.c)
set(option_HW_lib "-rdynamic -ldl")
elseif (${RF_BOARD} STREQUAL "OAI_USRP")
include_directories("${OPENAIR_TARGETS}/ARCH/USRP/USERSPACE/LIB/")
......@@ -423,7 +463,7 @@ elseif (${RF_BOARD} STREQUAL "OAI_USRP")
set(HW_SOURCE ${HW_SOURCE}
${OPENAIR_TARGETS}/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp)
LINK_DIRECTORIES("/opt/lib")
set(option_HW_lib "uhd")
set(option_HW_lib "-luhd -rdynamic -ldl")
set(LOWLATENCY False)
elseif (${RF_BOARD} STREQUAL "OAI_BLADERF")
......@@ -434,26 +474,33 @@ elseif (${RF_BOARD} STREQUAL "OAI_BLADERF")
${OPENAIR_TARGETS}/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
)
LINK_DIRECTORIES("/usr/lib/x86_64-linux-gnu")
set(option_HW_lib "bladeRF")
#set(LOWLATENCY False)
set(option_HW_lib "bladeRF -rdynamic -ldl")
#set(LOWLATENCY False)
elseif (${RF_BOARD} STREQUAL "ETHERNET")
include_directories ("${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB")
set(HW_SOURCE ${HW_SOURCE}
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
)
set(LOWLATENCY True)
elseif (${RF_BOARD} STREQUAL "CPRIGW")
elseif (${RF_BOARD} STREQUAL "CPRIGW") #to ask
set(HW_SOURCE ${HW_SOURCE}
${OPENAIR_TARGETS}/ARCH/CPRIGW/USERSPACE/LIB/cprigw_lib.c
)
include_directories("${OPENAIR_TARGETS}/ARCH/CPRIGW/USERSPACE/LIB/")
set(option_HW_lib "-rdynamic dl")
endif (${RF_BOARD} STREQUAL "EXMIMO")
include_directories ("${OPENAIR_TARGETS}/ARCH/COMMON")
if (${TRANSP_PRO} STREQUAL "ETHERNET")
include_directories ("${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB")
set(TRANSPORT_SOURCE ${TRANSPORT_SOURCE}
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
)
set(option_TP_lib "-rdynamic -ldl")
set(LOWLATENCY True)
endif (${TRANSP_PRO} STREQUAL "ETHERNET")
##########################################################
include_directories ("${OPENAIR_TARGETS}/ARCH/COMMON")
##############################################################
# ???!!! TO BE DOCUMENTED OPTIONS !!!???
......@@ -1407,6 +1454,7 @@ add_definitions(-DASN1_MINIMUM_VERSION=924)
# lte-softmodem is both eNB and UE implementation
###################################################
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${OPENAIR_CMAKE}/lte_build_oai/build/")
add_executable(lte-softmodem
${rrc_h}
${s1ap_h}
......@@ -1424,6 +1472,7 @@ add_executable(lte-softmodem
${OPENAIR3_DIR}/NAS/UE/nas_ue_task.c
${GTPU_need_ITTI}
${HW_SOURCE}
${TRANSPORT_SOURCE}
${RTAI_SOURCE}
${XFORMS_SOURCE}
${XFORMS_SOURCE_SOFTMODEM}
......@@ -1436,11 +1485,12 @@ target_link_libraries (lte-softmodem
target_link_libraries (lte-softmodem ${LIBXML2_LIBRARIES})
target_link_libraries (lte-softmodem pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib} ${XFORMS_LIBRARIES} )
target_link_libraries (lte-softmodem pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib} ${option_TP_lib} ${XFORMS_LIBRARIES} )
target_link_libraries (lte-softmodem ${LIBBOOST_LIBRARIES})
# lte-softmodem-nos1 is both eNB and UE implementation
###################################################
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${OPENAIR_CMAKE}/lte_noS1_build_oai/build/")
add_executable(lte-softmodem-nos1
${rrc_h}
${s1ap_h}
......@@ -1458,6 +1508,7 @@ add_executable(lte-softmodem-nos1
#${OPENAIR2_DIR}/RRC/NAS/rb_config.c
${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
${HW_SOURCE}
${TRANSPORT_SOURCE}
${RTAI_SOURCE}
${XFORMS_SOURCE}
${XFORMS_SOURCE_SOFTMODEM}
......@@ -1468,16 +1519,15 @@ target_link_libraries (lte-softmodem-nos1
-Wl,--end-group )
target_link_libraries (lte-softmodem-nos1 ${LIBXML2_LIBRARIES})
target_link_libraries (lte-softmodem-nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} ${option_HW_lib} ${XFORMS_LIBRARIES} )
target_link_libraries (lte-softmodem-nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} ${option_HW_lib} ${option_TP_lib} ${XFORMS_LIBRARIES} )
target_link_libraries (lte-softmodem-nos1 ${LIBBOOST_LIBRARIES})
# rrh
################################
set(DRIVER2013)
#Note: only on RF type is currently supported for RRH
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${OPENAIR_CMAKE}/rrh_gw/build/")
#Note: only one RF type (USRP) is currently supported for RRH
add_executable(rrh_gw
${OPENAIR_TARGETS}/RT/USER/rrh_gw.c
${OPENAIR_TARGETS}/RT/USER/eNB_transport_IQ.c
......@@ -1485,21 +1535,24 @@ add_executable(rrh_gw
${OPENAIR_TARGETS}/RT/USER/rt_wrapper.c
${OPENAIR_TARGETS}/ARCH/COMMON/common_lib.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c
${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/eth_raw.c
${HW_SOURCE}
${TRANSPORT_SOURCE}
)
# assert and common_lib.h
target_include_directories(rrh_gw PRIVATE ${OPENAIR_DIR}/common/utils/itti ${OPENAIR_TARGETS}/ARCH/COMMON ${OPENAIR_TARGETS}/ARCH/ETHERNET/USERSPACE/LIB/ )
target_include_directories(rrh_gw PRIVATE ${OPENAIR_DIR}/common/utils/itti ${OPENAIR_TARGETS}/ARCH/COMMON )
target_link_libraries(rrh_gw
-Wl,--start-group
UTIL LFDS
-Wl,--end-group )
target_link_libraries (rrh_gw rt pthread m )
target_link_libraries (rrh_gw ${option_HW_lib} ${LIBBOOST_LIBRARIES} )
target_link_libraries (rrh_gw ${option_HW_lib} ${option_TP_lib} ${LIBBOOST_LIBRARIES} )
#Message("-- default_HW_lib=ETHERNET") # only in case of RRH
Message("-- option_HW_lib=${option_HW_lib}")
Message("-- HW_SOURCE=${HW_SOURCE}")
Message("-- option_TP_lib=${option_TP_lib}")
Message("-- TRANSPORT_SOURCE=${TRANSPORT_SOURCE}")
# USIM process
#################
......@@ -1550,6 +1603,7 @@ add_executable(oaisim
${GTPU_need_ITTI}
${OPENAIR_TARGETS}/COMMON/create_tasks.c
${HW_SOURCE}
${TRANSPORT_SOURCE}
${XFORMS_SOURCE}
)
......@@ -1561,7 +1615,7 @@ target_link_libraries (oaisim
-Wl,--end-group )
target_link_libraries (oaisim ${LIBXML2_LIBRARIES} ${LAPACK_LIBRARIES})
target_link_libraries (oaisim pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib}
target_link_libraries (oaisim pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib} ${option_TP_lib}
${ATLAS_LIBRARIES} ${XFORMS_LIBRARIES} ${OPENPGM_LIBRARIES})
#Force link with forms, regardless XFORMS option
target_link_libraries (oaisim forms)
......@@ -1588,6 +1642,7 @@ add_executable(oaisim_nos1
${OPENAIR2_DIR}/UTIL/OMG/sumo.c
${OPENAIR_TARGETS}/COMMON/create_tasks.c
${HW_SOURCE}
${TRANSPORT_SOURCE}
${XFORMS_SOURCE}
)
target_include_directories(oaisim_nos1 PUBLIC ${OPENAIR_TARGETS}/SIMU/USER)
......@@ -1597,7 +1652,7 @@ target_link_libraries (oaisim_nos1
-Wl,--end-group )
target_link_libraries (oaisim_nos1 ${LIBXML2_LIBRARIES} ${LAPACK_LIBRARIES})
target_link_libraries (oaisim_nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} ${option_HW_lib}
target_link_libraries (oaisim_nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} ${option_HW_lib} ${option_TP_lib}
${ATLAS_LIBRARIES} ${XFORMS_LIBRARIES} ${OPENPGM_LIBRARIES})
#Force link with forms, regardless XFORMS option
target_link_libraries (oaisim_nos1 forms)
......
cmake_targets/build_oai
View file @ a85c64c3
......@@ -46,7 +46,8 @@ XFORMS="False"
PRINT_STATS="False"
VCD_TIMING="False"
REL="Rel10"
HW="EXMIMO"
HW="NO_VALUE"
TP="NO_VALUE"
NOS1=0
EPC=0
VERBOSE_COMPILE=0
......@@ -88,10 +89,13 @@ Options
default is Rel10,
Rel8 limits the implementation to 3GPP Release 8 version
-w | --hardware
EXMIMO (Default), USRP, BLADERF, ETHERNET, None
EXMIMO, USRP, BLADERF
Adds this RF board support (in external packages installation and in compilation)
-t | --transport protocol
ETHERNET , None
Adds this trasport protocol support in compilation
--oaisim
Makes the oaisim simulator. Hardware will be defaulted to "NONE".
Makes the oaisim simulator. Hardware will be defaulted to "NO_VALUE".
--phy_simulators
Makes the unitary tests Layer 1 simulators
--core_simulators
......@@ -169,7 +173,7 @@ function main() {
shift;;
-r | --3gpp-release)
REL=$2
echo_info "setting release to: $REL"
echo_info "Setting release to: $REL"
shift 2;;
-w | --hardware)
HW="$2" #"${i#*=}"
......@@ -180,7 +184,11 @@ function main() {
if [ "$HW" == "BLADERF" ] ; then
HW="OAI_BLADERF"
fi
echo_info "setting hardware to: $HW"
echo_info "Setting hardware to: $HW"
shift 2;;
-t | --transport_protocol)
TP="$2" #"${i#*=}"
echo_info "Setting transport protocol to: $TP"
shift 2;;
--oaisim)
oaisim=1
......@@ -204,7 +212,7 @@ function main() {
echo_info "executing test cases only in group: $TEST_CASE_GROUP"
shift 2;;
-V | --vcd)
echo_info "setting gtk-wave output"
echo_info "Setting gtk-wave output"
VCD_TIMING=1
EXE_ARGUMENTS="$EXE_ARGUMENTS -V"
shift;;
......@@ -227,7 +235,7 @@ function main() {
shift;;
--cflags_processor)
CFLAGS_PROCESSOR_USER=$2
echo_info "setting CPU FLAGS from USER to: $CFLAGS_PROCESSOR_USER"
echo_info "Setting CPU FLAGS from USER to: $CFLAGS_PROCESSOR_USER"
shift 2;;
-h | --help)
print_help
......@@ -239,6 +247,35 @@ function main() {
esac
done
############################################
# check validity of HW and TP parameters for RRH and eNB
#############################################
if [ "$eNB" = "1" ] ; then
if [ "$HW" = "NO_VALUE" -a "$TP" = "NO_VALUE" ] ; then
echo_fatal "A hardware target or a transport protocol must be defined!!"
fi
if [ "$HW" != "NO_VALUE" -a "$TP" != "NO_VALUE" ] ; then
echo_fatal "Currentlt lte-softmodem can not support simultaniously local and remote RF heads!!"
fi
if [ "$HW" = "NO_VALUE" ] ; then
echo_info "No RF device has been selected: (HW=$HW)"
fi
if [ "$TP" = "NO_VALUE" ] ; then
echo_info "No transport protocol has been selected: (TP=$TP)"
fi
fi
if [ "$RRH" = "1" ] ; then
if [ "$TP" = "NO_VALUE" ] ; then
echo_fatal "A transport protocol must be defined!!"
fi
if [ "$HW" = "NO_VALUE" ] ; then
echo_info "No RF device has been selected: (HW=$HW)"
fi
fi
############################################
# setting and printing OAI envs, we should check here
############################################
......@@ -277,7 +314,7 @@ function main() {
check_install_usrp_uhd_driver
fi
if [ "$HW" == "OAI_BLADERF" ] ; then
echo_info "installing packages for BALDERF support"
echo_info "installing packages for BLADERF support"
check_install_bladerf_driver
fi
fi
......@@ -288,15 +325,17 @@ function main() {
fi
if [ "$oaisim" = "1" ] ; then
if [ "$HW" != "ETHERNET" ] ; then
HW="NONE"
# if [ "$HW" == "ETHERNET" ] ; then # to ask
# HW="NONE"
#fi
if [ $HW != "EXMIMO" -a $HW != "OAI_USRP" -a $HW != "OAI_BLADERF" ] ; then
HW="NO_VALUE"
fi
if [ "$XFORMS" == "True" ] ; then
PRINT_STATS="True"
fi
fi
echo_info "3. building the compilation directives ..."
DIR=$OPENAIR_DIR/cmake_targets
......@@ -324,6 +363,8 @@ function main() {
echo "set ( RRC_ASN1_VERSION \"${REL}\")" >> $cmake_file
echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >> $cmake_file
echo "set ( RF_BOARD \"${HW}\")" >> $cmake_file
echo "set ( TRANSP_PRO \"${TP}\")" >> $cmake_file
echo "set ( SHRLIBDEV ${SHRLIBDEV})" >> $cmake_file
echo "set(PACKAGE_NAME \"${lte_exec}\")" >> $cmake_file
echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file
cd $DIR/$lte_build_dir/build
......@@ -529,31 +570,87 @@ function main() {
fi
# RRH compilation
##################
#####################
if [ "$RRH" = "1" ] ; then
echo_info "Compiling RRH"
if [ $HW == "ETHERNET" ] ; then
echo_info "RF frontend for RRH is not defined. This mode is used for testing (loopback)."
elif [ $HW != "EXMIMO" -a $HW != "OAI_USRP" -a $HW != "OAI_BLADERF" ] ; then
echo_fatal "Hardware not defined ($HW)"
fi
cmake_file=$DIR/rrh_gw/CMakeLists.txt
rrh_exec=rrh_gw
rrh_build_dir=rrh_gw
echo_info "Compiling $rrh_exec ..."
cmake_file=$DIR/$rrh_build_dir/CMakeLists.txt
echo "cmake_minimum_required(VERSION 2.8)" > $cmake_file
echo "set(ENABLE_VCD_FIFO $VCD_TIMING )" >> $cmake_file
echo "set(ENABLE_ITTI False )" >> $cmake_file
echo "set(RF_BOARD \"${HW}\")" >> $cmake_file
echo "set(TRANSP_PRO \"${TP}\")" >> $cmake_file
echo "set(SHRLIBDEV ${SHRLIBDEV})" >> $cmake_file
echo 'set(PACKAGE_NAME "\"rrh_gw\"")' >> $cmake_file
echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file
[ "$CLEAN" = "1" ] && rm -rf $DIR/rrh_gw/build
mkdir -p $DIR/rrh_gw/build
cd $DIR/rrh_gw/build
mkdir -p $DIR/$rrh_build_dir/build
cd $DIR/$rrh_build_dir/build
cmake ..
compilations \
rrh_gw rrh_gw \
rrh_gw $dbin/rrh_gw
fi
# build RF device and transport protocol libraries
#####################################
if [ "$eNB" = "1" -o "$RRH" = "1" ] ; then
if [ "$eNB" = "1" ] ; then
build_dir=$lte_build_dir
else
build_dir=$rrh_build_dir
fi
# build RF device libraries (currently EXMIMO is not complied with the rest of HW targets)
if [ "$HW" != "NO_VALUE" ] ; then
rm -f liboai_device.so
if [ -d "/usr/include/uhd" ] ; then
compilations \
$build_dir oai_usrpdevif \
liboai_usrpdevif.so $dbin/liboai_usrpdevif.so.$REL
fi
if [ -f "/usr/include/libbladeRF.h" ] ; then
compilations \
$build_dir oai_bladerfdevif \
liboai_bladerfdevif.so $dbin/liboai_bladerfdevif.so.$REL
fi
#add exmimo compilation
if [ "$HW" == "EXMIMO" ] ; then
ln -s liboai_exmimodevif.so liboai_device.so
echo_info "liboai_device.so is linked to EXMIMO device library"
elif [ "$HW" == "OAI_USRP" ] ; then
ln -s liboai_usrpdevif.so liboai_device.so
echo_info "liboai_device.so is linked to USRP device library"
elif [ "$HW" == "OAI_BLADERF" ] ; then
ln -s liboai_bladerfdevif.so liboai_device.so
echo_info "liboai_device.so is linked to BLADERF device library"
else
echo_info "liboai_device.so is not linked to any device library"
fi
fi
# build trasport protocol libraries (currently only ETHERNET is available)
if [ "$TP" != "NO_VALUE" ] ; then
rm -f liboai_transpro.so
compilations \
$build_dir oai_eth_transpro \
liboai_eth_transpro.so $dbin/liboai_eth_transpro.so.$REL
if [ "$TP" == "ETHERNET" ] ; then
ln -s liboai_eth_transpro.so liboai_transpro.so
echo_info "liboai_transpro.so is linked with ETHERNET library"
fi
fi
fi
# EPC compilation
##################
if [ "$EPC" = "1" ] ; then
......
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