python3: split `python3-version.mk` from `python3-package.mk`

And move \`python3-package.mk\` include, same as in python package.
This is mostly to have consistency/similarity between python & python3
packages.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python3/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 # The file included below defines PYTHON_VERSION
-include ./files/python3-package.mk
+include ./files/python3-version.mk
 
 PYTHON_VERSION:=$(PYTHON3_VERSION)
 PYTHON_VERSION_MICRO:=$(PYTHON3_VERSION_MICRO)
@@ -24,6 +24,8 @@ PKG_MD5SUM:=8906efbacfcdc7c3c9198aeefafd159e
 PKG_LICENSE:=PSF
 PKG_LICENSE_FILES:=LICENSE Modules/_ctypes/libffi_msvc/LICENSE Modules/_ctypes/darwin/LICENSE Modules/_ctypes/libffi/LICENSE Modules/_ctypes/libffi_osx/LICENSE Tools/pybench/LICENSE
 
+include ./files/python3-package.mk
+
 PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1
 HOST_BUILD_PARALLEL:=1
@@ -141,7 +143,10 @@ define Build/InstallDev
 	$(INSTALL_DIR) $(STAGING_DIR)/mk/
 	$(INSTALL_DIR) $(1)/usr/include/ $(1)/usr/lib/
 	$(INSTALL_DIR) $(1)/usr/lib/python$(PYTHON_VERSION)/
-	$(INSTALL_DATA) ./files/python3-package.mk $(STAGING_DIR)/mk/
+	$(INSTALL_DATA) \
+		./files/python3-package.mk \
+		./files/python3-version.mk \
+		$(STAGING_DIR)/mk/
 	$(CP) \
 		$(PKG_INSTALL_DIR)/usr/include/python$(PYTHON_VERSION) \
 		$(1)/usr/include/

lang/python3/files/python3-package.mk

@@ -11,11 +11,7 @@ ifeq ($(STAGING_DIR_HOSTPKG),)
   STAGING_DIR_HOSTPKG := $(STAGING_DIR)/host
 endif
 
-PYTHON3_VERSION_MAJOR:=3
-PYTHON3_VERSION_MINOR:=5
-PYTHON3_VERSION_MICRO:=2
-
-PYTHON3_VERSION:=$(PYTHON3_VERSION_MAJOR).$(PYTHON3_VERSION_MINOR)
+$(call include_mk, python3-version.mk)
 
 PYTHON3_DIR:=$(STAGING_DIR)/usr
 PYTHON3_BIN_DIR:=$(PYTHON3_DIR)/bin

lang/python3/files/python3-version.mk

@@ -0,0 +1,13 @@
+#
+# Copyright (C) 2007-2016 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+PYTHON3_VERSION_MAJOR:=3
+PYTHON3_VERSION_MINOR:=5
+PYTHON3_VERSION_MICRO:=2
+
+PYTHON3_VERSION:=$(PYTHON3_VERSION_MAJOR).$(PYTHON3_VERSION_MINOR)
+