undefined reference to boost::system::system_category() & BOOST_ERROR_CODE_HEADER_ONLY

[blockspacer]

Platform:
Ubuntu 18.04 with

sudo add-apt-repository ppa:boost-latest/ppa
sudo apt-get update && sudo apt-get upgrade
aptitude search boost # 1.67
sudo apt-get install libboost-dev

Version:

# release_1_0_prep
cmake .. -DJINJA2CPP_DEPS_MODE=external-boost -DJINJA2CPP_EXTRA_LIBS=boost_system
cmake --build . --target all

Error:

undefined reference to boost::system::system_category()

Possible solution (BOOST_ERROR_CODE_HEADER_ONLY):

target_compile_definitions(${LIB_TARGET_NAME} PUBLIC variant_CONFIG_SELECT_VARIANT=variant_VARIANT_NONSTD BOOST_SYSTEM_NO_DEPRECATED BOOST_ERROR_CODE_HEADER_ONLY)
# ...
target_link_libraries(jinja2cpp_tests gtest gtest_main nlohmann_json ${LIB_TARGET_NAME} ${EXTRA_TEST_LIBS} boost_system )

see https://stackoverflow.com/questions/9723793/undefined-reference-to-boostsystemsystem-category-when-compiling/30877725#30877725

Note that BOOST_ERROR_CODE_HEADER_ONLY solves problem, but not BOOST_SYSTEM_NO_DEPRECATED