initial buildroot for linux 5.15

package/python-protobuf/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_PYTHON_PROTOBUF
+	bool "python-protobuf"
+	# host-protobuf only builds on certain architectures
+	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+	depends on BR2_PACKAGE_PYTHON3
+	select BR2_PACKAGE_PYTHON_SIX # runtime
+	help
+	  Python implementation of the Google Protocol Buffers.
+
+	  Protocol buffers are Google's language-neutral,
+	  platform-neutral, extensible mechanism for serializing
+	  structured data.
+
+	  https://developers.google.com/protocol-buffers

package/python-protobuf/python-protobuf.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  4f792034070915819065c162a310142d66835333824e2e0a2ca26ed54b013408  protobuf-python-3.18.0.tar.gz
+sha256  6e5e117324afd944dcf67f36cf329843bc1a92229a8cd9bb573d7a83130fea7d  LICENSE

package/python-protobuf/python-protobuf.mk

@@ -0,0 +1,16 @@
+################################################################################
+#
+# python-protobuf
+#
+################################################################################
+
+PYTHON_PROTOBUF_VERSION = $(PROTOBUF_VERSION)
+PYTHON_PROTOBUF_SOURCE = protobuf-python-$(PYTHON_PROTOBUF_VERSION).tar.gz
+PYTHON_PROTOBUF_SITE = $(PROTOBUF_SITE)
+PYTHON_PROTOBUF_LICENSE = BSD-3-Clause
+PYTHON_PROTOBUF_LICENSE_FILES = LICENSE
+PYTHON_PROTOBUF_DEPENDENCIES = host-protobuf
+PYTHON_PROTOBUF_SETUP_TYPE = setuptools
+PYTHON_PROTOBUF_SUBDIR = python
+
+$(eval $(python-package))