At the moment we don't have a way, but this is the second report of an 
issue compiling krb5 1.10.x on a platform without dladdr support (the 
first was for AIX, issue #7145).  We will discuss with the libverto 
maintainer how we can avoid this requirement for the shipped libverto 
sources.

However, I don't know if it's accurate to characterize dladdr as a 
"GNU/legacy" extension, as it's also present in Solaris and a number of 
other platforms which don't use glibc.