9852 enable ld(1) guidance and deflib assertions for the illumos build

@@ -821,10 +821,11 @@
 _dc: $(DCSUBDIRS)
 
 #
 # Dependencies
 #
+abi:    sgs
 fs.d:   fstyp
 ksh:    shcomp isaexec
 print:  lp
 fmt:    mailx