since this pcommit
Bad : d869bb1600942c01a77539128f9ba5b5b55ad647 Author : ramin lordrasmus@gmail.com Date : Wed Dec 7 11:59:57 2022 +0100 Message : add getauxval() implementation
c6x build fails because DT_DSBT_BASE_IDX is not defined
seems that #include <dl-sysdep.h> is missing if the compiler defines __DSBT__