message: change default to /usr/local/eosio
diff: if ! "${CMAKE}" -DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}" -DCMAKE_CXX_COMPILER="${CXX_COMPILER}" \
  -DCMAKE_C_COMPILER="${C_COMPILER}" -DWASM_ROOT="${WASM_ROOT}" -DCORE_SYMBOL_NAME="${CORE_SYMBOL_NAME}" \
  -DOPENSSL_ROOT_DIR="${OPENSSL_ROOT_DIR}" -DBUILD_MONGO_DB_PLUGIN=true \
  - -DENABLE_COVERAGE_TESTING="${ENABLE_COVERAGE_TESTING}" -DBUILD_DOXYGEN="${DOXYGEN}" -DCMAKE_INSTALL_PREFIX="/usr/local" ..
  + -DENABLE_COVERAGE_TESTING="${ENABLE_COVERAGE_TESTING}" -DBUILD_DOXYGEN="${DOXYGEN}" -DCMAKE_INSTALL_PREFIX="/usr/local/eosio" ..
  then
  printf "\\n\\t>>>>>>>>>>>>>>>>>>>> CMAKE building EOSIO has exited with the above error.\\n\\n"
  exit -1
  