initial buildroot for linux 5.15

package/libcrossguid/Config.in

@@ -0,0 +1,13 @@
+config BR2_PACKAGE_LIBCROSSGUID
+	bool "libcrossguid"
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # C++11
+	select BR2_PACKAGE_UTIL_LINUX
+	select BR2_PACKAGE_UTIL_LINUX_LIBUUID
+	help
+	  Lightweight cross platform C++ GUID/UUID library
+
+	  https://github.com/graeme-hill/crossguid
+
+comment "libcrossguid needs a toolchain w/ C++, gcc >= 4.7"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_7

package/libcrossguid/libcrossguid.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  022c9f02cc36e865cd8fd0111a597ff2bd91988deeb348dbe2aba64aed1abd99  libcrossguid-8f399e8bd4252be9952f3dfa8199924cc8487ca4.tar.gz
+sha256  779e58787f966a1552f68d5ec041513cef68785dae4a519dbda7bc0b86eda20e  LICENSE

package/libcrossguid/libcrossguid.mk

@@ -0,0 +1,28 @@
+################################################################################
+#
+# libcrossguid
+#
+################################################################################
+
+LIBCROSSGUID_VERSION = 8f399e8bd4252be9952f3dfa8199924cc8487ca4
+LIBCROSSGUID_SITE = $(call github,graeme-hill,crossguid,$(LIBCROSSGUID_VERSION))
+LIBCROSSGUID_LICENSE = MIT
+LIBCROSSGUID_LICENSE_FILES = LICENSE
+LIBCROSSGUID_INSTALL_STAGING = YES
+# only a static library
+LIBCROSSGUID_INSTALL_TARGET = NO
+LIBCROSSGUID_DEPENDENCIES = util-linux
+
+define LIBCROSSGUID_BUILD_CMDS
+	(cd $(@D); $(TARGET_CXX) $(TARGET_CXXFLAGS) -std=c++11 -DGUID_LIBUUID \
+		-c guid.cpp -o guid.o)
+	(cd $(@D); $(TARGET_AR) rvs libcrossguid.a guid.o)
+endef
+
+define LIBCROSSGUID_INSTALL_STAGING_CMDS
+	$(INSTALL) -D -m 644 $(@D)/libcrossguid.a \
+		$(STAGING_DIR)/usr/lib/libcrossguid.a
+	$(INSTALL) -D -m 644 $(@D)/guid.h $(STAGING_DIR)/usr/include/guid.h
+endef
+
+$(eval $(generic-package))