diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c7017b..8d87447 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,9 +1,11 @@
 ###############################################################################
-cmake_minimum_required(VERSION 3.18.0)
+cmake_minimum_required(VERSION 3.20.0)
 project(cruft-vulkan CXX)
 
 
 ###############################################################################
+nc_deps(util)
+
 find_package (Python3 REQUIRED COMPONENTS Interpreter)
 find_package (glfw3 REQUIRED)
 
@@ -64,8 +66,6 @@ endif()
 ##-----------------------------------------------------------------------------
 list (APPEND VK_LOAD_SOURCES
     load/fwd.hpp
-    ${GENERATED_PREFIX}/load/vtable.hpp
-    ${GENERATED_PREFIX}/load/dispatch.cpp
     load/dispatch.hpp
     load/init.cpp
     load/ostream.cpp
@@ -76,28 +76,35 @@ list (APPEND VK_LOAD_SOURCES
     load/vtable.cpp
 )
 
+list (TRANSFORM VK_LOAD_SOURCES PREPEND "cruft/vk/")
+
+list (APPEND VK_LOAD_SOURCES
+    "${GENERATED_PREFIX}/load/vtable.hpp"
+    "${GENERATED_PREFIX}/load/dispatch.cpp"
+)
+
 
 add_library (vulkan SHARED ${VK_LOAD_SOURCES})
 set_target_properties(vulkan PROPERTIES VERSION 1.1.98)
 set_target_properties(vulkan PROPERTIES SOVERSION 1)
 
-add_library (cruft-vk-load STATIC ${VK_LOAD_SOURCES})
+add_library (libcruft-vk-load STATIC ${VK_LOAD_SOURCES})
 
-foreach (lib vulkan cruft-vk-load)
+foreach (lib vulkan libcruft-vk-load)
     target_include_directories (${lib}
         PUBLIC
-            "${CMAKE_CURRENT_SOURCE_DIR}"
-            "${GENERATED_PREFIX}"
             "${CMAKE_CURRENT_SOURCE_DIR}/specs/include/vulkan"
+            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>
+            $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/prefix>
     )
 
-    target_link_libraries (${lib} cruft-json cruft)
+    target_link_libraries (${lib} cruft-json cruft::util)
 endforeach ()
 
+add_library(cruft::vk-load ALIAS libcruft-vk-load)
+
 ###############################################################################
 list (APPEND sources
-    "${GENERATED_PREFIX}/vk.hpp"
-
     fwd.hpp
     object.cpp
     object.hpp
@@ -155,17 +162,28 @@ list (APPEND sources
 )
 
 
-##-----------------------------------------------------------------------------
-add_library (cruft-vk STATIC ${sources})
-target_link_libraries (cruft-vk cruft)
-target_include_directories (cruft-vk
-PUBLIC
-    "${CMAKE_CURRENT_SOURCE_DIR}"
-    "${GENERATED_PREFIX}"
-    "${CMAKE_CURRENT_SOURCE_DIR}/specs/include/vulkan"
+list (TRANSFORM sources PREPEND "cruft/vk/")
+
+list (APPEND sources
+    "${GENERATED_PREFIX}/vk.hpp"
 )
 
 
+##-----------------------------------------------------------------------------
+add_library (libcruft-vk STATIC ${sources})
+target_link_libraries (libcruft-vk cruft::util)
+target_include_directories (libcruft-vk
+PUBLIC
+    "${CMAKE_CURRENT_SOURCE_DIR}/specs/include/vulkan"
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/prefix>
+)
+target_link_libraries (libcruft-vk cruft::util)
+
+add_library(cruft::vk ALIAS libcruft-vk)
+
+
+
 ###############################################################################
 list (APPEND shaders
     tools/hello/shader.vert
@@ -205,8 +223,8 @@ foreach (t info hello)
         "${CMAKE_CURRENT_BINARY_DIR}/tools")
 endforeach ()
 
-target_link_libraries (vk_info cruft-vk cruft-vk-load)
-target_link_libraries (vk_hello ${NC_CXX_STDCXXFS} cruft cruft-vk glfw vulkan)
+target_link_libraries (vk_info cruft::vk cruft::vk-load)
+target_link_libraries (vk_hello ${NC_CXX_STDCXXFS} cruft::util cruft::vk glfw vulkan)
 
 add_library (trace SHARED
     "${GENERATED_PREFIX}/tools/trace.cpp"
@@ -219,7 +237,7 @@ PUBLIC
     "${CMAKE_CURRENT_SOURCE_DIR}/specs/include/vulkan"
 )
 
-target_link_libraries(trace cruft-vk)
+target_link_libraries(trace cruft::vk)
 
 ##-----------------------------------------------------------------------------
 add_dependencies (vk_hello hello.vert.spv hello.frag.spv)
diff --git a/buffer.cpp b/cruft/vk/buffer.cpp
similarity index 100%
rename from buffer.cpp
rename to cruft/vk/buffer.cpp
diff --git a/buffer.hpp b/cruft/vk/buffer.hpp
similarity index 100%
rename from buffer.hpp
rename to cruft/vk/buffer.hpp
diff --git a/callback.hpp b/cruft/vk/callback.hpp
similarity index 100%
rename from callback.hpp
rename to cruft/vk/callback.hpp
diff --git a/command_buffer.cpp b/cruft/vk/command_buffer.cpp
similarity index 100%
rename from command_buffer.cpp
rename to cruft/vk/command_buffer.cpp
diff --git a/command_buffer.hpp b/cruft/vk/command_buffer.hpp
similarity index 100%
rename from command_buffer.hpp
rename to cruft/vk/command_buffer.hpp
diff --git a/command_pool.cpp b/cruft/vk/command_pool.cpp
similarity index 100%
rename from command_pool.cpp
rename to cruft/vk/command_pool.cpp
diff --git a/command_pool.hpp b/cruft/vk/command_pool.hpp
similarity index 100%
rename from command_pool.hpp
rename to cruft/vk/command_pool.hpp
diff --git a/device.cpp b/cruft/vk/device.cpp
similarity index 100%
rename from device.cpp
rename to cruft/vk/device.cpp
diff --git a/device.hpp b/cruft/vk/device.hpp
similarity index 100%
rename from device.hpp
rename to cruft/vk/device.hpp
diff --git a/device_memory.cpp b/cruft/vk/device_memory.cpp
similarity index 100%
rename from device_memory.cpp
rename to cruft/vk/device_memory.cpp
diff --git a/device_memory.hpp b/cruft/vk/device_memory.hpp
similarity index 100%
rename from device_memory.hpp
rename to cruft/vk/device_memory.hpp
diff --git a/event.cpp b/cruft/vk/event.cpp
similarity index 100%
rename from event.cpp
rename to cruft/vk/event.cpp
diff --git a/event.hpp b/cruft/vk/event.hpp
similarity index 100%
rename from event.hpp
rename to cruft/vk/event.hpp
diff --git a/except.cpp b/cruft/vk/except.cpp
similarity index 100%
rename from except.cpp
rename to cruft/vk/except.cpp
diff --git a/except.hpp b/cruft/vk/except.hpp
similarity index 99%
rename from except.hpp
rename to cruft/vk/except.hpp
index 555446c..0b3570f 100644
--- a/except.hpp
+++ b/cruft/vk/except.hpp
@@ -10,7 +10,7 @@
 #ifndef CRUFT_VK_EXCEPT_HPP
 #define CRUFT_VK_EXCEPT_HPP
 
-#include "./vk.hpp"
+#include <cruft/vk/vk.hpp>
 
 #include <cruft/util/debug/assert.hpp>
 #include <cruft/util/types/traits.hpp>
diff --git a/fence.cpp b/cruft/vk/fence.cpp
similarity index 100%
rename from fence.cpp
rename to cruft/vk/fence.cpp
diff --git a/fence.hpp b/cruft/vk/fence.hpp
similarity index 100%
rename from fence.hpp
rename to cruft/vk/fence.hpp
diff --git a/framebuffer.cpp b/cruft/vk/framebuffer.cpp
similarity index 100%
rename from framebuffer.cpp
rename to cruft/vk/framebuffer.cpp
diff --git a/framebuffer.hpp b/cruft/vk/framebuffer.hpp
similarity index 100%
rename from framebuffer.hpp
rename to cruft/vk/framebuffer.hpp
diff --git a/fwd.hpp b/cruft/vk/fwd.hpp
similarity index 99%
rename from fwd.hpp
rename to cruft/vk/fwd.hpp
index 4d8ca7e..94e7886 100644
--- a/fwd.hpp
+++ b/cruft/vk/fwd.hpp
@@ -10,7 +10,7 @@
 #ifndef CRUFT_VK_FWD_HPP
 #define CRUFT_VK_FWD_HPP
 
-#include "vk.hpp"
+#include <cruft/vk/vk.hpp>
 
 #include <cruft/util/preprocessor.hpp>
 
diff --git a/image.cpp b/cruft/vk/image.cpp
similarity index 100%
rename from image.cpp
rename to cruft/vk/image.cpp
diff --git a/image.hpp b/cruft/vk/image.hpp
similarity index 100%
rename from image.hpp
rename to cruft/vk/image.hpp
diff --git a/image_view.hpp b/cruft/vk/image_view.hpp
similarity index 100%
rename from image_view.hpp
rename to cruft/vk/image_view.hpp
diff --git a/instance.cpp b/cruft/vk/instance.cpp
similarity index 100%
rename from instance.cpp
rename to cruft/vk/instance.cpp
diff --git a/instance.hpp b/cruft/vk/instance.hpp
similarity index 92%
rename from instance.hpp
rename to cruft/vk/instance.hpp
index d0fa466..5c866c0 100644
--- a/instance.hpp
+++ b/cruft/vk/instance.hpp
@@ -9,11 +9,11 @@
 
 #pragma once
 
-#include "./object.hpp"
+#include <cruft/vk/object.hpp>
 
-#include "./vk.hpp"
-#include "./traits.hpp"
-#include "./except.hpp"
+#include <cruft/vk/vk.hpp>
+#include <cruft/vk/traits.hpp>
+#include <cruft/vk/except.hpp>
 
 #include <cruft/util/view.hpp>
 
diff --git a/load/dispatch.hpp b/cruft/vk/load/dispatch.hpp
similarity index 100%
rename from load/dispatch.hpp
rename to cruft/vk/load/dispatch.hpp
diff --git a/load/fwd.hpp b/cruft/vk/load/fwd.hpp
similarity index 100%
rename from load/fwd.hpp
rename to cruft/vk/load/fwd.hpp
diff --git a/load/init.cpp b/cruft/vk/load/init.cpp
similarity index 95%
rename from load/init.cpp
rename to cruft/vk/load/init.cpp
index 8767faf..4151d28 100644
--- a/load/init.cpp
+++ b/cruft/vk/load/init.cpp
@@ -7,8 +7,8 @@
  */
 
 
-#include "load/vtable.hpp"
-#include "load/vendor.hpp"
+#include <cruft/vk/load/vtable.hpp>
+#include <cruft/vk/load/vendor.hpp>
 
 #include <vector>
 
diff --git a/load/ostream.cpp b/cruft/vk/load/ostream.cpp
similarity index 100%
rename from load/ostream.cpp
rename to cruft/vk/load/ostream.cpp
diff --git a/load/ostream.hpp b/cruft/vk/load/ostream.hpp
similarity index 100%
rename from load/ostream.hpp
rename to cruft/vk/load/ostream.hpp
diff --git a/load/vendor.cpp b/cruft/vk/load/vendor.cpp
similarity index 100%
rename from load/vendor.cpp
rename to cruft/vk/load/vendor.cpp
diff --git a/load/vendor.hpp b/cruft/vk/load/vendor.hpp
similarity index 94%
rename from load/vendor.hpp
rename to cruft/vk/load/vendor.hpp
index c72329f..633633b 100644
--- a/load/vendor.hpp
+++ b/cruft/vk/load/vendor.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "vk.hpp"
-#include "load/vtable.hpp"
+#include <cruft/vk/vk.hpp>
+#include <cruft/vk/load/vtable.hpp>
 
 #include <cruft/util/library.hpp>
 #include <cruft/util/std.hpp>
diff --git a/load/vendor_posix.cpp b/cruft/vk/load/vendor_posix.cpp
similarity index 100%
rename from load/vendor_posix.cpp
rename to cruft/vk/load/vendor_posix.cpp
diff --git a/load/vendor_win32.cpp b/cruft/vk/load/vendor_win32.cpp
similarity index 100%
rename from load/vendor_win32.cpp
rename to cruft/vk/load/vendor_win32.cpp
diff --git a/cruft/vk/load/vtable.cpp b/cruft/vk/load/vtable.cpp
new file mode 100644
index 0000000..8d92d42
--- /dev/null
+++ b/cruft/vk/load/vtable.cpp
@@ -0,0 +1 @@
+#include <cruft/vk/load/vtable.hpp>
diff --git a/meta/info.cpp b/cruft/vk/meta/info.cpp
similarity index 79%
rename from meta/info.cpp
rename to cruft/vk/meta/info.cpp
index e04bbe4..5e13442 100644
--- a/meta/info.cpp
+++ b/cruft/vk/meta/info.cpp
@@ -7,16 +7,16 @@
  *      2017-2018, Danny Robson <danny@nerdcruft.net>
  */
 
-#include "info.hpp"
+#include "./info.hpp"
 
-#include "load/ostream.hpp"
+#include <cruft/vk/load/ostream.hpp>
 
-#include "instance.hpp"
-#include "physical_device.hpp"
-#include "ostream.hpp"
+#include <cruft/vk/instance.hpp>
+#include <cruft/vk/physical_device.hpp>
+#include <cruft/vk/ostream.hpp>
 
-#include "load/vendor.hpp"
-#include "load/vtable.hpp"
+#include <cruft/vk/load/vendor.hpp>
+#include <cruft/vk/load/vtable.hpp>
 
 #include <cruft/util/iterator/infix.hpp>
 
diff --git a/meta/info.hpp b/cruft/vk/meta/info.hpp
similarity index 100%
rename from meta/info.hpp
rename to cruft/vk/meta/info.hpp
diff --git a/object.cpp b/cruft/vk/object.cpp
similarity index 100%
rename from object.cpp
rename to cruft/vk/object.cpp
diff --git a/object.hpp b/cruft/vk/object.hpp
similarity index 100%
rename from object.hpp
rename to cruft/vk/object.hpp
diff --git a/ostream.cpp b/cruft/vk/ostream.cpp
similarity index 100%
rename from ostream.cpp
rename to cruft/vk/ostream.cpp
diff --git a/ostream.hpp b/cruft/vk/ostream.hpp
similarity index 96%
rename from ostream.hpp
rename to cruft/vk/ostream.hpp
index 52b453d..a642175 100644
--- a/ostream.hpp
+++ b/cruft/vk/ostream.hpp
@@ -10,8 +10,8 @@
 #ifndef CRUFT_VK_OSTREAM_HPP
 #define CRUFT_VK_OSTREAM_HPP
 
-#include "./fwd.hpp"
-#include "./vk.hpp"
+#include <cruft/vk/fwd.hpp>
+#include <cruft/vk/vk.hpp>
 
 #include <cruft/util/preprocessor.hpp>
 
diff --git a/physical_device.cpp b/cruft/vk/physical_device.cpp
similarity index 100%
rename from physical_device.cpp
rename to cruft/vk/physical_device.cpp
diff --git a/physical_device.hpp b/cruft/vk/physical_device.hpp
similarity index 93%
rename from physical_device.hpp
rename to cruft/vk/physical_device.hpp
index e91b18e..862cf43 100644
--- a/physical_device.hpp
+++ b/cruft/vk/physical_device.hpp
@@ -10,9 +10,9 @@
 #ifndef CRUFT_VK_PHYSICAL_DEVICE_HPP
 #define CRUFT_VK_PHYSICAL_DEVICE_HPP
 
-#include "./object.hpp"
+#include <cruft/vk/object.hpp>
 
-#include "./vk.hpp"
+#include <cruft/vk/vk.hpp>
 
 #include <set>
 #include <string>
diff --git a/pipeline.cpp b/cruft/vk/pipeline.cpp
similarity index 100%
rename from pipeline.cpp
rename to cruft/vk/pipeline.cpp
diff --git a/pipeline.hpp b/cruft/vk/pipeline.hpp
similarity index 100%
rename from pipeline.hpp
rename to cruft/vk/pipeline.hpp
diff --git a/pipeline_cache.cpp b/cruft/vk/pipeline_cache.cpp
similarity index 100%
rename from pipeline_cache.cpp
rename to cruft/vk/pipeline_cache.cpp
diff --git a/pipeline_cache.hpp b/cruft/vk/pipeline_cache.hpp
similarity index 100%
rename from pipeline_cache.hpp
rename to cruft/vk/pipeline_cache.hpp
diff --git a/pipeline_layout.cpp b/cruft/vk/pipeline_layout.cpp
similarity index 100%
rename from pipeline_layout.cpp
rename to cruft/vk/pipeline_layout.cpp
diff --git a/pipeline_layout.hpp b/cruft/vk/pipeline_layout.hpp
similarity index 100%
rename from pipeline_layout.hpp
rename to cruft/vk/pipeline_layout.hpp
diff --git a/queue.cpp b/cruft/vk/queue.cpp
similarity index 100%
rename from queue.cpp
rename to cruft/vk/queue.cpp
diff --git a/queue.hpp b/cruft/vk/queue.hpp
similarity index 100%
rename from queue.hpp
rename to cruft/vk/queue.hpp
diff --git a/render_pass.cpp b/cruft/vk/render_pass.cpp
similarity index 100%
rename from render_pass.cpp
rename to cruft/vk/render_pass.cpp
diff --git a/render_pass.hpp b/cruft/vk/render_pass.hpp
similarity index 100%
rename from render_pass.hpp
rename to cruft/vk/render_pass.hpp
diff --git a/semaphore.cpp b/cruft/vk/semaphore.cpp
similarity index 100%
rename from semaphore.cpp
rename to cruft/vk/semaphore.cpp
diff --git a/semaphore.hpp b/cruft/vk/semaphore.hpp
similarity index 100%
rename from semaphore.hpp
rename to cruft/vk/semaphore.hpp
diff --git a/shader_module.cpp b/cruft/vk/shader_module.cpp
similarity index 100%
rename from shader_module.cpp
rename to cruft/vk/shader_module.cpp
diff --git a/shader_module.hpp b/cruft/vk/shader_module.hpp
similarity index 100%
rename from shader_module.hpp
rename to cruft/vk/shader_module.hpp
diff --git a/surface.cpp b/cruft/vk/surface.cpp
similarity index 100%
rename from surface.cpp
rename to cruft/vk/surface.cpp
diff --git a/surface.hpp b/cruft/vk/surface.hpp
similarity index 90%
rename from surface.hpp
rename to cruft/vk/surface.hpp
index 6729cca..71e1f7d 100644
--- a/surface.hpp
+++ b/cruft/vk/surface.hpp
@@ -10,9 +10,9 @@
 #ifndef CRUFT_VK_SURFACE_HPP
 #define CRUFT_VK_SURFACE_HPP
 
-#include "./vk.hpp"
-#include "./instance.hpp"
-#include "./object.hpp"
+#include <cruft/vk/vk.hpp>
+#include <cruft/vk/instance.hpp>
+#include <cruft/vk/object.hpp>
 
 
 namespace cruft::vk {
diff --git a/swapchain.hpp b/cruft/vk/swapchain.hpp
similarity index 100%
rename from swapchain.hpp
rename to cruft/vk/swapchain.hpp
diff --git a/traits.cpp b/cruft/vk/traits.cpp
similarity index 100%
rename from traits.cpp
rename to cruft/vk/traits.cpp
diff --git a/traits.hpp b/cruft/vk/traits.hpp
similarity index 99%
rename from traits.hpp
rename to cruft/vk/traits.hpp
index 94e97c6..b3ee838 100644
--- a/traits.hpp
+++ b/cruft/vk/traits.hpp
@@ -10,8 +10,8 @@
 #ifndef CRUFT_VK_TRAITS_HPP
 #define CRUFT_VK_TRAITS_HPP
 
-#include "fwd.hpp"
-#include "vk.hpp"
+#include <cruft/vk/fwd.hpp>
+#include <cruft/vk/vk.hpp>
 
 #include <cruft/util/variadic.hpp>
 
diff --git a/load/vtable.cpp b/load/vtable.cpp
deleted file mode 100644
index 2dacf82..0000000
--- a/load/vtable.cpp
+++ /dev/null
@@ -1 +0,0 @@
-#include "load/vtable.hpp"
diff --git a/tools/info.cpp b/tools/info.cpp
index 50cd55b..b10237d 100644
--- a/tools/info.cpp
+++ b/tools/info.cpp
@@ -7,7 +7,7 @@
  *      2019, Danny Robson <danny@nerdcruft.net>
  */
 
-#include "../meta/info.hpp"
+#include <cruft/vk/meta/info.hpp>
 
 #include <iostream>
 
diff --git a/tools/spec.py b/tools/spec.py
index 1038969..7346fb9 100644
--- a/tools/spec.py
+++ b/tools/spec.py
@@ -802,7 +802,7 @@ def write_load(dst: TextIO, q: List[Type], reg: Registry):
     dst.write(f"""
     #pragma once
 
-    #include "vk.hpp"
+    #include <cruft/vk/vk.hpp>
 
     #include <cruft/util/preprocessor.hpp>
 
@@ -845,9 +845,9 @@ def write_load(dst: TextIO, q: List[Type], reg: Registry):
 # -----------------------------------------------------------------------------
 def write_dispatch(dst: TextIO, q: List[Type], reg: Registry):
     dst.write("""
-    #include "vk.hpp"
-    #include "load/vtable.hpp"
-    #include "load/dispatch.hpp"
+    #include <cruft/vk/vk.hpp>
+    #include <cruft/vk/load/vtable.hpp>
+    #include <cruft/vk/load/dispatch.hpp>
     
     #include <cruft/util/debug/panic.hpp>
     #include <cruft/util/cast.hpp>
@@ -994,9 +994,9 @@ def write_dispatch(dst: TextIO, q: List[Type], reg: Registry):
 
 def write_trace(dst: TextIO, q: List[Type], reg: Registry):
     dst.write("""
-        #include "vk.hpp"
-        #include "load/vtable.hpp"
-        #include "ostream.hpp"
+        #include <cruft/vk/vk.hpp>
+        #include <cruft/vk/load/vtable.hpp>
+        #include <cruft/vk/ostream.hpp>
 
         #include <iostream>
         #include <dlfcn.h>