ucert: add package

ucert is a wrapper around usign to allow delegation and revocation of
public keys for future use in sysupgrade.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This work was sponsored by WIO (wiowireless.com)

package/system/ucert/Makefile

@@ -0,0 +1,60 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ucert
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=$(PROJECT_GIT)/project/ucert.git
+PKG_SOURCE_DATE:=2018-06-10
+PKG_SOURCE_VERSION:=46eec66b190470254fc01973f208dc056bcb9780
+PKG_MIRROR_HASH:=43868aa490fd7a8962586d15e9be9bfff437fe02765ac580c8f244616fa4dff4
+
+CMAKE_INSTALL:=1
+PKG_CHECK_FORMAT_SECURITY:=1
+
+PKG_LICENSE:=GPL-3.0+
+PKG_LICENSE_FILES:=COPYING
+
+PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+CMAKE_HOST_OPTIONS += -DUCERT_FULL=1 -DUCERT_HOST_BUILD=1
+HOST_BUILD_DEPENDS:=libubox/host libjson-c/host usign/host
+PKG_BUILD_DEPENDS:=ucert/host
+PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
+
+define Package/ucert-full
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=+usign +libubox +libjson-c +libblobmsg-json
+  TITLE:=OpenWrt certificate generation and verification utility
+  PROVIDES:=ucert
+  VARIANT:=full
+endef
+
+define Package/ucert
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=+usign +libubox
+  TITLE:=OpenWrt certificate verification utility
+  CONFLICTS:=ucert-full
+  VARIANT:=tiny
+endef
+
+ifeq ($(BUILD_VARIANT),full)
+  CMAKE_OPTIONS += -DUCERT_FULL=1
+endif
+
+define Package/ucert/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/ucert $(1)/usr/bin
+endef
+
+Package/ucert-full/install = $(Package/ucert/install)
+
+$(eval $(call BuildPackage,ucert))
+$(eval $(call BuildPackage,ucert-full))
+$(eval $(call HostBuild))