diff -ur gdb-7.9.1/gdb/Makefile.in gdb-7.9.1/gdb/Makefile.in
--- gdb-7.9.1/gdb/Makefile.in	2015-05-13 10:36:05.000000000 -0700
+++ gdb-7.9.1/gdb/Makefile.in	2015-06-09 13:22:53.594505278 -0700
@@ -1065,7 +1065,7 @@
 
 TSOBS = inflow.o
 
-SUBDIRS = doc @subdirs@ data-directory $(GNULIB_BUILDDIR)
+SUBDIRS = @subdirs@ data-directory $(GNULIB_BUILDDIR)
 CLEANDIRS = $(SUBDIRS)
 
 # List of subdirectories in the build tree that must exist.