diff --git a/log/xray/lib.mk b/log/xray/lib.mk
new file mode 100644
index 0000000..7e713ff
--- /dev/null
+++ b/log/xray/lib.mk
@@ -0,0 +1,59 @@
+
+# `make lib` -- Build c-ray as a .so + driver instead of a monolith
+
+LIB=lib/libc-ray.so
+BIN_lib=lib/c-ray
+OBJDIR_lib=lib/obj_lib
+OBJDIR_driver=lib/obj_driver
+SRCS_lib=$(shell find src/lib src/common generated/ -name '*.c')
+OBJS_lib=$(patsubst %.c, $(OBJDIR_lib)/%.o, $(SRCS_lib))
+SRCS_driver=$(shell find src/driver src/common -name '*.c')
+OBJS_driver=$(patsubst %.c, $(OBJDIR_driver)/%.o, $(SRCS_driver))
+SRCS_python=$(shell find bindings -name '*.py')
+
+lib: $(BIN_lib)
+
+pylib: bindings/cray_wrap.so
+
+BLENDER_ROOT=$(HOME)/.config/blender/4.1
+
+blsync: bindings/cray_wrap.so $(SRCS_python)
+	mkdir -p $(BLENDER_ROOT)/scripts/addons/c_ray
+	cp bindings/c_ray.py $(BLENDER_ROOT)/scripts/addons/c_ray/
+	cp bindings/blender_init.py $(BLENDER_ROOT)/scripts/addons/c_ray/__init__.py
+	cp bindings/blender_properties.py $(BLENDER_ROOT)/scripts/addons/c_ray/properties.py
+	cp bindings/blender_ui.py $(BLENDER_ROOT)/scripts/addons/c_ray/ui.py
+	cp -r bindings/nodes $(BLENDER_ROOT)/scripts/addons/c_ray/
+
+# Blender crashes if I swap out the .so, no idea why, so updating the library
+# requires a restart of blender and the use of this target.
+fullblsync: bindings/cray_wrap.so $(SRCS_python)
+	mkdir -p $(BLENDER_ROOT)/scripts/addons/c_ray
+	cp bindings/cray_wrap.so $(BLENDER_ROOT)/scripts/addons/c_ray/
+	cp bindings/c_ray.py $(BLENDER_ROOT)/scripts/addons/c_ray/
+	cp bindings/blender_init.py $(BLENDER_ROOT)/scripts/addons/c_ray/__init__.py
+	cp bindings/blender_properties.py $(BLENDER_ROOT)/scripts/addons/c_ray/properties.py
+	cp bindings/blender_ui.py $(BLENDER_ROOT)/scripts/addons/c_ray/ui.py
+	cp -r bindings/nodes $(BLENDER_ROOT)/scripts/addons/c_ray/
+
+$(OBJDIR_driver)/%.o: %.c $(OBJDIR_driver)
+	@mkdir -p '$(@D)'
+	@echo "CC $<"
+	@$(CC) $(CFLAGS) -c $< -o $@
+$(OBJDIR_lib)/%.o: %.c $(OBJDIR_lib)
+	@mkdir -p '$(@D)'
+	@echo "CC -fPIC $<"
+	@$(CC) -DCR_BUILDING_LIB $(CFLAGS) -fvisibility=hidden -c -fPIC $< -o $@
+$(OBJDIR_lib): dummy
+	mkdir -p $@
+$(OBJDIR_driver):
+	mkdir -p $@
+$(LIB): $(OBJS_lib)
+	@echo "LD -fPIC $@"
+	@$(CC) $(CFLAGS) $(OBJS_lib) -shared -o $@
+$(BIN_lib): $(LIB) $(OBJS_driver) $(OBJDIR_driver)
+	@echo "LD $@"
+	@$(CC) $(CFLAGS) $(OBJS_driver) $(LIB) -o $@ $(LDFLAGS)
+bindings/cray_wrap.so: $(OBJS_lib) bindings/cray_wrap.c
+	@echo "Building Python module"
+	@$(CC) -shared $(CFLAGS) -fPIC `pkg-config --cflags python3` bindings/cray_wrap.c $(OBJS_lib) -o $@