initial buildroot for linux 5.15

package/libyang/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_LIBYANG
+	bool "libyang"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_STATIC_LIBS
+	select BR2_PACKAGE_PCRE
+	select BR2_PACKAGE_PCRE_UCP
+	help
+	  Libyang is YANG data modeling language parser and toolkit
+	  written (and providing API) in C.
+
+	  https://github.com/CESNET/libyang
+
+comment "libyang needs a toolchain w/ threads, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS

package/libyang/libyang.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  8576cad398b451b1c622b0652a2030fcf83ee1d9a39e6cd93d17b0a5a43118d6  libyang-1.0.240.tar.gz
+sha256  f942fe693e03e4e3ff67a351c00dc8f468a042e0d7273b0aa6bc53060b568112  LICENSE

package/libyang/libyang.mk

@@ -0,0 +1,27 @@
+################################################################################
+#
+# libyang
+#
+################################################################################
+
+LIBYANG_VERSION = 1.0.240
+LIBYANG_SITE = $(call github,CESNET,libyang,v$(LIBYANG_VERSION))
+LIBYANG_LICENSE = BSD-3-Clause
+LIBYANG_LICENSE_FILES = LICENSE
+LIBYANG_INSTALL_STAGING = YES
+LIBYANG_CPE_ID_VENDOR = cesnet
+LIBYANG_SUPPORTS_IN_SOURCE_BUILD = NO
+LIBYANG_DEPENDENCIES = pcre
+HOST_LIBYANG_DEPENDENCIES = host-pcre
+
+LIBYANG_CONF_OPTS = \
+	-DENABLE_VALGRIND_TESTS=OFF \
+	-DGEN_PYTHON_BINDINGS=OFF \
+	-DENABLE_LYD_PRIV=ON
+
+HOST_LIBYANG_CONF_OPTS = \
+	-DENABLE_VALGRIND_TESTS=OFF \
+	-DGEN_PYTHON_BINDINGS=OFF
+
+$(eval $(cmake-package))
+$(eval $(host-cmake-package))