Add cmake install commands

engine/CMakeLists.txt

@@ -10,10 +10,72 @@ list(TRANSFORM NOVA_ENGINE_SRC PREPEND ${CMAKE_CURRENT_SOURCE_DIR}/src/)
 add_library(nova SHARED ${NOVA_ENGINE_SRC})
 
 target_include_directories(nova
-	PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
-	PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src
+	PUBLIC
+		$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+		$<INSTALL_INTERFACE:include>
+	PRIVATE
+		${CMAKE_CURRENT_SOURCE_DIR}/src
 )
 
 set_target_properties(nova PROPERTIES
 	DEFINE_SYMBOL NOVA_EXPORT_SYMBOLS
 )
+
+add_library(nova::nova ALIAS nova)
+
+# {INSTALL_PREFIX}
+# |-- include
+# |   `-- nova
+# |       `-- *.hpp
+# |-- lib
+# |   `-- libnova.so
+# `-- share
+#     `-- cmake
+#         `-- nova
+#             |-- nova-config.cmake
+#             |-- nova-config-version.cmake
+#             |-- nova-targets.cmake
+#             `-- nova-targets-release.cmake
+
+install(
+	DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/nova
+	DESTINATION include
+	FILES_MATCHING PATTERN "*.hpp"
+)
+
+install(
+	TARGETS nova
+	EXPORT nova-targets
+	# LIBRARY DESTINATION lib
+	# ARCHIVE DESTINATION lib
+	# RUNTIME DESTINATION bin
+	# INCLUDES DESTINATION include
+)
+
+install(
+	EXPORT nova-targets
+	FILE nova-targets.cmake
+	NAMESPACE nova::
+	DESTINATION share/cmake/nova
+)
+
+include(CMakePackageConfigHelpers)
+
+configure_package_config_file(
+	${CMAKE_CURRENT_SOURCE_DIR}/cmake/nova-config.cmake.in
+	${CMAKE_CURRENT_BINARY_DIR}/nova-config.cmake
+	INSTALL_DESTINATION share/cmake/nova
+)
+
+write_basic_package_version_file(
+	${CMAKE_CURRENT_BINARY_DIR}/nova-config-version.cmake
+	VERSION ${PROJECT_VERSION}
+	COMPATIBILITY SameMajorVersion
+)
+
+install(
+	FILES
+		${CMAKE_CURRENT_BINARY_DIR}/nova-config.cmake
+		${CMAKE_CURRENT_BINARY_DIR}/nova-config-version.cmake
+	DESTINATION share/cmake/nova
+)