If this is not present in the install, #include-ing most yosys
headers will fail in rtlil.h:380.
$(eval $(call add_include_file,kernel/celltypes.h))
$(eval $(call add_include_file,kernel/celledges.h))
$(eval $(call add_include_file,kernel/consteval.h))
+$(eval $(call add_include_file,kernel/constids.inc))
$(eval $(call add_include_file,kernel/sigtools.h))
$(eval $(call add_include_file,kernel/modtools.h))
$(eval $(call add_include_file,kernel/macc.h))