Fix: support submodule patching if provided (#407)

slave.mk

@@ -132,8 +132,12 @@ $(addprefix $(DEBS_PATH)/, $(SONIC_MAKE_DEBS)) : $(DEBS_PATH)/% : .platform $$(a
 	$(HEADER)
 	# remove target to force rebuild
 	rm -f $(addprefix $(DEBS_PATH)/, $* $($*_DERIVED_DEBS) $($*_EXTRA_DEBS))
+	# apply series of patches if exist
+	if [ -f $($*_SRC_PATH).patch/series ]; then pushd $($*_SRC_PATH) && QUILT_PATCHES=../$(notdir $($*_SRC_PATH)).patch quilt push -a; popd; fi
 	# build project and take package
 	make DEST=$(shell pwd)/$(DEBS_PATH) -C $($*_SRC_PATH) $(shell pwd)/$(DEBS_PATH)/$* $(LOG)
+	# clean up
+	if [ -f $($*_SRC_PATH).patch/series ]; then pushd $($*_SRC_PATH) && quilt pop -a -f; popd; fi
 	$(FOOTER)
 
 # Build project with dpkg-buildpackage
@@ -229,9 +233,11 @@ $(SONIC_INSTALL_TARGETS) : $(DEBS_PATH)/%-install : .platform $$(addsuffix -inst
 $(addprefix $(PYTHON_WHEELS_PATH)/, $(SONIC_PYTHON_WHEELS)) : $(PYTHON_WHEELS_PATH)/% : .platform $$(addsuffix -install,$$(addprefix $(PYTHON_WHEELS_PATH)/,$$($$*_DEPENDS)))
 	$(HEADER)
 	pushd $($*_SRC_PATH) $(LOG)
-	if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then QUILT_PATCHES=../$(notdir $($*_SRC_PATH)).patch/series quilt push -a; fi
+	# apply series of patches if exist
+	if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then QUILT_PATCHES=../$(notdir $($*_SRC_PATH)).patch quilt push -a; fi
 	python$($*_PYTHON_VERSION) setup.py bdist_wheel $(LOG)
-	if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then quilt pop -a; fi
+	# clean up
+	if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then quilt pop -a -f; fi
 	popd $(LOG)
 	mv $($*_SRC_PATH)/dist/$* $(PYTHON_WHEELS_PATH) $(LOG)
 	$(FOOTER)