initial buildroot for linux 5.15

package/upx/upx.mk

@@ -0,0 +1,31 @@
+################################################################################
+#
+# upx
+#
+################################################################################
+
+UPX_VERSION = 3.96
+UPX_SITE = https://github.com/upx/upx/releases/download/v$(UPX_VERSION)
+UPX_SOURCE = upx-$(UPX_VERSION)-src.tar.xz
+UPX_LICENSE = GPL-2.0+
+UPX_LICENSE_FILES = COPYING
+UPX_CPE_ID_VENDOR = upx_project
+
+# 0001-Check-DT_REL-DT_RELA-DT_RELSZ-DT_RELASZ.patch
+UPX_IGNORE_CVES += CVE-2021-20285
+
+HOST_UPX_DEPENDENCIES = host-ucl host-zlib
+
+# We need to specify all, otherwise the default target only prints a message
+# stating to "please choose a target for 'make'"... :-(
+define HOST_UPX_BUILD_CMDS
+	$(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
+		UPX_UCLDIR=$(HOST_DIR) CXXFLAGS_WERROR= -C $(@D) all
+endef
+
+# UPX has no install procedure, so install it manually.
+define HOST_UPX_INSTALL_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/src/upx.out $(HOST_DIR)/bin/upx
+endef
+
+$(eval $(host-generic-package))