openvswitch: switch to using python3 both on build and target machine

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

net/openvswitch/Makefile

@@ -16,7 +16,7 @@ include $(INCLUDE_DIR)/kernel.mk
 #
 PKG_NAME:=openvswitch
 PKG_VERSION:=2.11.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://www.openvswitch.org/releases/
 PKG_HASH:=f4b01d7376d7298bc6e7fa7a6067229ca7c7e299394e5ea9aff651d52edfdbee
@@ -24,7 +24,7 @@ PKG_HASH:=f4b01d7376d7298bc6e7fa7a6067229ca7c7e299394e5ea9aff651d52edfdbee
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=LICENSE
 
-PKG_BUILD_DEPENDS:=python/host python-six/host
+PKG_BUILD_DEPENDS+=python3/host python-six/host
 PKG_USE_MIPS16:=0
 PKG_BUILD_PARALLEL:=1
 PKG_FIXUP:=autoreconf
@@ -33,7 +33,7 @@ PKG_INSTALL:=1
 PKG_MAINTAINER:=Yousong Zhou <yszhou4tech@gmail.com>
 
 include $(INCLUDE_DIR)/package.mk
-include ../../lang/python/python-host.mk
+include ../../lang/python/python3-host.mk
 include ../../lang/python/python-package.mk
 include ../../lang/python/python3-package.mk
 
@@ -301,10 +301,10 @@ CONFIGURE_ARGS+= \
 
 CONFIGURE_VARS += \
 	ovs_cv_flake8=no \
-	ovs_cv_python3=no \
+	ovs_cv_python=$(PYTHON3) \
+	ovs_cv_python_host=$(HOST_PYTHON3_BIN) \
 	ovs_cv_sphinx=no \
-	ovs_cv_python=$(PYTHON) \
-	ovs_cv_python_host=$(HOST_PYTHON_BIN) \
+	ovs_cv_python2=no \
 	KARCH=$(LINUX_KARCH) \
 
 ovs_intree_kmod_configs:=CONFIG_PACKAGE_kmod-openvswitch-intree
@@ -315,7 +315,7 @@ ifneq ($(ovs_intree_kmod_enabled),)
 endif
 
 TARGET_CFLAGS += -flto -std=gnu99
-MAKE_VARS += PYTHONPATH="$(HOST_PYTHONPATH)"
+MAKE_VARS += PYTHONPATH="$(HOST_PYTHON3PATH)"
 
 $(foreach p,$(ovs_kmod_packages),\
   $(eval $(call KernelPackage,$(p)))\