stdlib.h (and probably other libraries) do not get linked

[Shoxx98]

Steps to reproduce:
install arduino:sam core using arduino-cli
acdb --fqbn=arduino:sam:arduino_due_x in project repo
touch main.cpp
in neovim using an lspconfig setup with clangd:
#include <stdlib.h>
try to goto_definition

also in arduino.h with that fqbn:

[Shoxx98]

I did some digging and this is rather related to the arduino-cli project.
arduino/arduino-cli#1286