packages: python-six python-pytz: adding hostbuild option

Added hostbuild option for packages python-six and python-pytz.
We need these two packages as hostbuild for our turris-timezone package.
Related merge request: packages!1113

patches/packages/hack/0002-packages-python-six-python-pytz-adding-hostbuild-opt.patch

+From 94187fb3463f2f7ef67d067b5e98f5b91b7f04d8 Mon Sep 17 00:00:00 2001
+From: Tomas Zak <tomas.zak@turris.com>
+Date: Thu, 16 Nov 2023 10:44:52 +0100
+Subject: [PATCH] packages: python-six python-pytz: adding hostbuild option
+
+Added hostbuild option for packages python-six and python-pytz.
+We need these two packages as hostbuild for our turri-timezone package.
+---
+ lang/python/python-pytz/Makefile | 8 ++++++++
+ lang/python/python-six/Makefile  | 8 ++++++++
+ 2 files changed, 16 insertions(+)
+
+diff --git a/lang/python/python-pytz/Makefile b/lang/python/python-pytz/Makefile
+index 62c1b3a2c..f445d3a31 100644
+--- a/lang/python/python-pytz/Makefile
++++ b/lang/python/python-pytz/Makefile
+@@ -18,9 +18,16 @@ PKG_MAINTAINER:=Alexandru Ardelean <ardeleanalex@gmail.com>
+ PKG_LICENSE:=MIT
+ PKG_LICENSE_FILES:=LICENSE.txt
+ 
++HOST_BUILD_DEPENDS:=python3/host \
++                    python-build/host \
++                    python-installer/host \
++                    python-wheel/host
++
+ include ../pypi.mk
+ include $(INCLUDE_DIR)/package.mk
++include $(INCLUDE_DIR)/host-build.mk
+ include ../python3-package.mk
++include ../python3-host-build.mk
+ 
+ define Package/python3-pytz
+   SUBMENU:=Python
+@@ -38,3 +45,4 @@ endef
+ $(eval $(call Py3Package,python3-pytz))
+ $(eval $(call BuildPackage,python3-pytz))
+ $(eval $(call BuildPackage,python3-pytz-src))
++$(eval $(call HostBuild))
+diff --git a/lang/python/python-six/Makefile b/lang/python/python-six/Makefile
+index 6712baa3b..08b436e90 100644
+--- a/lang/python/python-six/Makefile
++++ b/lang/python/python-six/Makefile
+@@ -18,9 +18,16 @@ PKG_LICENSE:=MIT
+ PKG_LICENSE_FILES:=LICENSE
+ PKG_MAINTAINER:=Jeffery To <jeffery.to@gmail.com>
+ 
++HOST_BUILD_DEPENDS:=python3/host \
++                    python-build/host \
++                    python-installer/host \
++                    python-wheel/host
++
+ include ../pypi.mk
+ include $(INCLUDE_DIR)/package.mk
++include $(INCLUDE_DIR)/host-build.mk
+ include ../python3-package.mk
++include ../python3-host-build.mk
+ 
+ define Package/python3-six
+   SECTION:=lang
+@@ -41,3 +48,4 @@ endef
+ $(eval $(call Py3Package,python3-six))
+ $(eval $(call BuildPackage,python3-six))
+ $(eval $(call BuildPackage,python3-six-src))
++$(eval $(call HostBuild))
+-- 
+2.42.1
+