initial buildroot for linux 5.15

package/cxxtest/Config.in

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+config BR2_PACKAGE_CXXTEST
+	bool "cxxtest"
+	depends on BR2_INSTALL_LIBSTDCPP
+	help
+	  CxxTest is a unit testing framework for C++
+
+	  http://cxxtest.com/
+
+comment "cxxtest needs a toolchain w/ C++ support"
+	depends on !BR2_INSTALL_LIBSTDCPP

package/cxxtest/cxxtest.hash

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+# Locally computed:
+sha256	1c154fef91c65dbf1cd4519af7ade70a61d85a923b6e0c0b007dc7f4895cf7d8	cxxtest-4.4.tar.gz
+
+# Hash for license file:
+sha256 da7eabb7bafdf7d3ae5e9f223aa5bdc1eece45ac569dc21b3b037520b4464768  COPYING

package/cxxtest/cxxtest.mk

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+################################################################################
+#
+# cxxtest
+#
+################################################################################
+
+CXXTEST_VERSION = 4.4
+CXXTEST_SITE = https://github.com/CxxTest/cxxtest/releases/download/$(CXXTEST_VERSION)
+CXXTEST_LICENSE = LGPL-3.0
+CXXTEST_LICENSE_FILES = COPYING
+CXXTEST_INSTALL_STAGING = YES
+CXXTEST_INSTALL_TARGET = NO
+CXXTEST_DEPENDENCIES = host-cxxtest
+HOST_CXXTEST_SETUP_TYPE = setuptools
+HOST_CXXTEST_SUBDIR = python
+
+# Copy CxxTest header files to staging directory
+define CXXTEST_INSTALL_STAGING_CMDS
+	$(INSTALL) -m 755 -d $(STAGING_DIR)/usr/include/cxxtest
+	$(INSTALL) -m 644 -t $(STAGING_DIR)/usr/include/cxxtest $(@D)/cxxtest/*
+endef
+
+# CxxTest uses python infrastructure as the build system. It consists of two parts:
+# 1. cxxtestgen tool to process tests defined in header files to generate C++ source
+# files. cxxtestgen is built as a host package, so that it can be used natively.
+# 2. A set of header files which are installed in staging directory. This will be
+# used in cross-compiling test harness to generate executable which will run on target.
+
+$(eval $(generic-package))
+$(eval $(host-python-package))