fix(build): compilation errors with gcc-g++ v11

Signed-off-by: Raphael Defosseux <raphael.defosseux@openairinterface.org>

build/scripts/build_helper.fb_folly

-################################################################################
-# Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The OpenAirInterface Software Alliance licenses this file to You under
-# the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
-#
-# 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.
-#-------------------------------------------------------------------------------
-# For more information about the OpenAirInterface (OAI) Software Alliance:
-#      contact@openairinterface.org
-################################################################################
-
-# file build_helper.fb_folly
-# brief
-# author Lionel GAUTHIER
-#
-#######################################
-SCRIPT=$(readlink -f ${BASH_SOURCE})
-THIS_SCRIPT_PATH=`dirname $SCRIPT`
-source $THIS_SCRIPT_PATH/build_helper
-
-#arg1 is force (0 or 1) (no interactive script)
-#arg2 is debug (0 or 1) (install debug libraries)
-install_fb_folly_from_source(){
-  echo "Starting to install folly"
-  if [ $1 -eq 0 ]; then
-    OPTION=""
-    read -p "Do you want to install FaceBook folly (github)? <y/N> " prompt
-  else
-    prompt='y'
-    OPTION="-y"
-  fi
-  if [ $2 -eq 0 ]; then
-    debug=0
-  else
-    debug=1
-  fi
-
-
-  if [[ $prompt =~ [yY](es)* ]]
-  then
-    if [[ "$OS_BASEDISTRO" == "fedora" ]]; then 
-      $SUDO $INSTALLER install $OPTION \
-        gcc-c++ \
-        $CMAKE \
-        boost-devel \
-        libevent-devel \
-        double-conversion-devel \
-        glog-devel \
-        gflags-devel \
-        snappy-devel \
-        make \
-        lz4-devel \
-        zlib-devel \
-        binutils-devel \
-        jemalloc-devel \
-        openssl-devel \
-        pkg-config
-      ret=$?;[[ $ret -ne 0 ]] && return $ret
-    elif [[ $OS_DISTRO == "ubuntu" ]]; then
-      $SUDO $INSTALLER install $OPTION \
-        g++ \
-        cmake \
-        libboost-all-dev \
-        libevent-dev \
-        libdouble-conversion-dev \
-        libgoogle-glog-dev \
-        libgflags-dev \
-        libiberty-dev \
-        liblz4-dev \
-        liblzma-dev \
-        libsnappy-dev \
-        make \
-        zlib1g-dev \
-        binutils-dev \
-        libjemalloc-dev \
-        libssl-dev \
-        pkg-config
-      ret=$?;[[ $ret -ne 0 ]] && return $ret
-    fi
-
-    pushd /tmp
-
-    if [ $debug -eq 1 ]; then
-      # For advanced debugging options
-      $SUDO $INSTALLER install $OPTION \
-        libunwind8-dev \
-        libelf-dev \
-        libdwarf-dev
-      ret=$?;[[ $ret -ne 0 ]] && return $ret
-      
-      wget https://github.com/google/googletest/archive/release-1.8.0.tar.gz && \
-      tar zxf release-1.8.0.tar.gz && \
-      rm -f release-1.8.0.tar.gz && \
-      cd googletest-release-1.8.0 && \
-      $CMAKE . && \
-      make && \
-      $SUDO make install
-      ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
-      cd ..
-    fi
-
-    
-    $SUDO rm -rf /tmp/folly
-    git clone https://github.com/facebook/folly.git
-    ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
-    cd folly
-    if [[ "$OS_BASEDISTRO" == "fedora" ]]; then
-      git checkout -f v2019.06.17.00
-      echo 'diff --git a/build/fbcode_builder/CMake/FindGflags.cmake b/build/fbcode_builder/CMake/FindGflags.cmake' > patch.diff
-      echo 'index 246ceac..3b96716 100644' >> patch.diff
-      echo '--- a/build/fbcode_builder/CMake/FindGflags.cmake' >> patch.diff
-      echo '+++ b/build/fbcode_builder/CMake/FindGflags.cmake' >> patch.diff
-      echo '@@ -34,6 +34,9 @@ IF (LIBGFLAGS_INCLUDE_DIR)' >> patch.diff
-      echo ' ENDIF ()' >> patch.diff
-      echo '' >> patch.diff
-      echo ' find_package(gflags CONFIG QUIET)' >> patch.diff
-      echo '+get_filename_component (_LIB_PATH "${gflags_CONFIG}/../../../" ABSOLUTE)' >> patch.diff
-      echo '+unset(gflags_LIBRARIES)' >> patch.diff
-      echo '+find_library(gflags_LIBRARIES gflags PATHS ${_LIB_PATH})' >> patch.diff
-      echo ' if (gflags_FOUND)' >> patch.diff
-      echo '   if (NOT Gflags_FIND_QUIETLY)' >> patch.diff
-      echo '     message(STATUS "Found gflags from package config ${gflags_CONFIG}")' >> patch.diff
-      git apply patch.diff
-    else
-      git checkout -f v2019.11.11.00
-    fi 
-    mkdir _build && cd _build
-    if [[ "$OS_BASEDISTRO" == "fedora" ]]; then
-      cmake3  ..
-    else
-      cmake  ..
-    fi
-    ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
-    make -j $(nproc)
-    ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
-    $SUDO make install
-    ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
-    popd
-  fi
-  echo_success "folly installation complete"
-  return 0
-}
-

src/nrf_app/nrf_app.cpp

@@ -52,6 +52,7 @@
 using namespace oai::nrf::app;
 using namespace oai::nrf::model;
 using namespace std::chrono;
+using namespace boost::placeholders;
 
 extern nrf_app* nrf_app_inst;
 extern nrf_config nrf_cfg;

src/nrf_app/nrf_client.cpp

@@ -43,6 +43,7 @@
 using namespace Pistache::Http;
 using namespace Pistache::Http::Mime;
 using namespace oai::nrf::app;
+using namespace boost::placeholders;
 using json = nlohmann::json;
 
 extern nrf_client* nrf_client_inst;

src/nrf_app/nrf_profile.cpp

@@ -39,6 +39,7 @@
 
 using namespace std;
 using namespace oai::nrf::app;
+using namespace boost::placeholders;
 
 //------------------------------------------------------------------------------
 void nrf_profile::set_nf_instance_id(const std::string& instance_id) {

src/nrf_app/nrf_subscription.cpp

@@ -35,6 +35,7 @@
 #include "logger.hpp"
 
 using namespace oai::nrf::app;
+using namespace boost::placeholders;
 
 //------------------------------------------------------------------------------
 void nrf_subscription::set_subscription_id(const std::string& sub) {