mkdep is not a standard tool nor do we support or install it.

Assuming it's existence kills config, make, and install.

ld/Makefile.in

@@ -256,7 +256,7 @@ Makefile: $(srcdir)/Makefile.in $(srcdir)/configure
 		./configure +destdir=$(destdir) \
 		+norecurse \
 		`if [ "$(srcdir)" != "." ] ; then echo +f; fi` \
-		$(host) +target=$(target)) ; $(MAKE) dep
+		$(host) +target=$(target))
 
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