message: trying to fix the old OSX builds - propagating the thread_local definition
diff: @@ -54,6 +54,10 @@ if(NOT MINGW AND NOT DEFINED DOCTEST_THREAD_LOCAL)
  doctest_add_test(NO_OUTPUT NAME concurrency.cpp ${common_args} -sf=*concurrency.cpp)
  endif()
  +if(DEFINED DOCTEST_THREAD_LOCAL)
  + target_compile_definitions(${PROJECT_NAME} PRIVATE -DDOCTEST_THREAD_LOCAL=${DOCTEST_THREAD_LOCAL})
  +endif()
  +
  # add this separately since the file has a non-straightforward path
  doctest_add_test(NAME coverage_maxout.cpp ${common_args} -sf=*coverage_maxout.cpp)
  