message: main build script, changed BOOST_ROOT for each distro
diff: export LLVM_DIR=${HOME}/opt/wasm/lib/cmake/llvm
  export CMAKE=${HOME}/opt/cmake/bin/cmake
  export PATH=${HOME}/opt/mongodb/bin:$PATH
  + export BOOST_ROOT="${HOME}/opt/boost_1_66_0"
  ;;
  "CentOS Linux")
  FILE="${PWD}/scripts/eosio_build_centos.sh"
  export LLVM_DIR=${HOME}/opt/wasm/lib/cmake/llvm
  export CMAKE=${HOME}/opt/cmake/bin/cmake
  export PATH=${HOME}/opt/mongodb/bin:$PATH
  + export BOOST_ROOT="${HOME}/opt/boost_1_66_0"
  ;;
  "elementary OS")
  FILE="${PWD}/scripts/eosio_build_ubuntu.sh"
  C_COMPILER=clang-4.0
  MONGOD_CONF=${HOME}/opt/mongodb/mongod.conf
  export PATH=${HOME}/opt/mongodb/bin:$PATH
  + export BOOST_ROOT="${HOME}/opt/boost_1_66_0"
  ;;
  "Fedora")
  FILE="${PWD}/scripts/eosio_build_fedora.sh"
  C_COMPILER=gcc
  MONGOD_CONF=/etc/mongod.conf
  export LLVM_DIR=${HOME}/opt/wasm/lib/cmake/llvm
  + export BOOST_ROOT="${HOME}/opt/boost_1_66_0"
  ;;
  "Linux Mint")
  FILE="${PWD}/scripts/eosio_build_ubuntu.sh"
  C_COMPILER=clang-4.0
  MONGOD_CONF=${HOME}/opt/mongodb/mongod.conf
  export PATH=${HOME}/opt/mongodb/bin:$PATH
  + export BOOST_ROOT="${HOME}/opt/boost_1_67_0"
  ;;
  "Ubuntu")
  FILE="${PWD}/scripts/eosio_build_ubuntu.sh"
  C_COMPILER=clang-4.0
  MONGOD_CONF=${HOME}/opt/mongodb/mongod.conf
  export PATH=${HOME}/opt/mongodb/bin:$PATH
  + export BOOST_ROOT="${HOME}/opt/boost_1_67_0"
  ;;
  *)
  printf "\\n\\tUnsupported Linux Distribution. Exiting now.\\n\\n"
  exit 1
  esac
  - export BOOST_ROOT="${HOME}/opt/boost_1_66_0"
  OPENSSL_ROOT_DIR=/usr/include/openssl
  WASM_ROOT="${HOME}/opt/wasm"
  fi
  