python: add patch to use the pgen we compiled at stage 0 and which can be run on the build host when cross-compiling

python/python/use-hostpgen.patch.cross

@@ -0,0 +1,37 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../python/use-hostpgen.patch.cross
+# Copyright (C) 2014 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This patch file is dual-licensed. It is available under the license the
+# patched project is licensed under, as long as it is an OpenSource license
+# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
+# of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+Use the pgen we compiled at stage 0 and which can be run on the build host
+
+--- a/Makefile.pre.in	2014-03-12 11:29:38.642977159 +0100
++++ b/Makefile.pre.in	2014-03-12 11:57:01.161011331 +0100
+@@ -231,6 +231,7 @@
+ ##########################################################################
+ # Parser
+ PGEN=		Parser/pgen$(EXE)
++HOSTPGEN=	python-pgen
+ 
+ PSRCS=		\
+ 		Parser/acceler.c \
+@@ -598,7 +599,7 @@
+ $(GRAMMAR_H): $(GRAMMAR_INPUT) $(PGENSRCS)
+ 		@$(MKDIR_P) Include
+ 		$(MAKE) $(PGEN)
+-		$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
++		$(HOSTPGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
+ $(GRAMMAR_C): $(GRAMMAR_H) $(GRAMMAR_INPUT) $(PGENSRCS)
+ 		$(MAKE) $(GRAMMAR_H)
+ 		touch $(GRAMMAR_C)