We cross compile python. This patch uses tools from host/native
python instead of in-tree tools

-Khem

Upstream-Status: Inappropriate[Configuration Specific]

---
 Makefile.pre.in |   25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -193,6 +193,7 @@ LIBOBJS=	@LIBOBJS@
 
 PYTHON=		python$(EXE)
 BUILDPYTHON=	python$(BUILDEXE)
+HOSTPYTHON=	$(BUILDPYTHON)
 
 PYTHON_FOR_BUILD=@PYTHON_FOR_BUILD@
 _PYTHON_HOST_PLATFORM=@_PYTHON_HOST_PLATFORM@
@@ -239,6 +240,7 @@ LIBFFI_INCLUDEDIR=	@LIBFFI_INCLUDEDIR@
 ##########################################################################
 # Parser
 PGEN=		Parser/pgen$(EXE)
+HOSTPGEN=	$(PGEN)$(EXE)
 
 PSRCS=		\
 		Parser/acceler.c \
@@ -451,7 +453,7 @@ build_all_generate_profile:
 
 run_profile_task:
 	: # FIXME: can't run for a cross build
-	$(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK)
+	$(RUNSHARED) $(HOSTPYTHON) $(PROFILE_TASK)
 
 build_all_use_profile:
 	$(MAKE) all CFLAGS="$(CFLAGS) -fprofile-use -fprofile-correction"
@@ -640,7 +642,7 @@ $(IO_OBJS): $(IO_H)
 $(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)
@@ -820,7 +822,7 @@ $(LIBRARY_OBJS) $(MODOBJS) Modules/pytho
 ######################################################################
 
 TESTOPTS=	$(EXTRATESTOPTS)
-TESTPYTHON=	$(RUNSHARED) ./$(BUILDPYTHON) $(TESTPYTHONOPTS)
+TESTPYTHON=	$(RUNSHARED) $(HOSTPYTHON) $(TESTPYTHONOPTS)
 TESTRUNNER=	$(TESTPYTHON) $(srcdir)/Tools/scripts/run_tests.py
 TESTTIMEOUT=	3600
 
@@ -1229,7 +1231,7 @@ frameworkinstallstructure:	$(LDLIBRARY)
 		fi; \
 	done
 	$(LN) -fsn include/python$(LDVERSION) $(DESTDIR)$(prefix)/Headers
-	sed 's/%VERSION%/'"`$(RUNSHARED) ./$(BUILDPYTHON) -c 'import platform; print(platform.python_version())'`"'/g' < $(RESSRCDIR)/Info.plist > $(DESTDIR)$(prefix)/Resources/Info.plist
+	sed 's/%VERSION%/'"`$(RUNSHARED) $(HOSTPYTHON) -c 'import platform; print(platform.python_version())'`"'/g' < $(RESSRCDIR)/Info.plist > $(DESTDIR)$(prefix)/Resources/Info.plist
 	$(LN) -fsn $(VERSION) $(DESTDIR)$(PYTHONFRAMEWORKINSTALLDIR)/Versions/Current
 	$(LN) -fsn Versions/Current/$(PYTHONFRAMEWORK) $(DESTDIR)$(PYTHONFRAMEWORKINSTALLDIR)/$(PYTHONFRAMEWORK)
 	$(LN) -fsn Versions/Current/Headers $(DESTDIR)$(PYTHONFRAMEWORKINSTALLDIR)/Headers
@@ -1288,7 +1290,7 @@ config.status:	$(srcdir)/configure
 
 # Run reindent on the library
 reindent:
-	./$(BUILDPYTHON) $(srcdir)/Tools/scripts/reindent.py -r $(srcdir)/Lib
+	$(HOSTPYTHON) $(srcdir)/Tools/scripts/reindent.py -r $(srcdir)/Lib
 
 # Rerun configure with the same options as it was run last time,
 # provided the config.status script exists
@@ -1414,7 +1416,7 @@ funny:
 
 # Perform some verification checks on any modified files.
 patchcheck:
-	$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/patchcheck.py
+	$(RUNSHARED) $(HOSTPYTHON) $(srcdir)/Tools/scripts/patchcheck.py
 
 # Dependencies
 
