It looks like binutils has troubles with makeinfo and the doc generation.
We don't need it anyway

--- binutils-2.18/bfd/Makefile.inorig	2008-01-16 16:17:43.004484000 +0000
+++ binutils-2.18/bfd/Makefile.in	2008-01-16 16:17:50.505526000 +0000
@@ -271,7 +271,7 @@
 INCDIR = $(srcdir)/../include
 CSEARCH = -I. -I$(srcdir) -I$(INCDIR)
 MKDEP = gcc -MM
-SUBDIRS = doc po
+SUBDIRS = po
 bfddocdir = doc
 bfdlib_LTLIBRARIES = libbfd.la
 AM_CFLAGS = $(WARN_CFLAGS)