Without this patch mkdir_p is not defined
--- diffutils-3.3/po/Makefile.in.in.orig	2013-08-05 23:54:59.757433724 +0400
+++ diffutils-3.3/po/Makefile.in.in	2013-08-05 23:55:38.223541003 +0400
@@ -42,7 +42,7 @@
 mkinstalldirs = $(SHELL) @install_sh@ -d
 install_sh = $(SHELL) @install_sh@
 MKDIR_P = @MKDIR_P@
-mkdir_p = @mkdir_p@
+mkdir_p = $(MKDIR_P)
 
 GMSGFMT_ = @GMSGFMT@
 GMSGFMT_no = @GMSGFMT@