Gating network behind compile flag

CMakeLists.txt

@@ -13,6 +13,7 @@ cmake_policy(SET CMP0079 NEW)
 # set(FETCHCONTENT_UPDATES_DISCONNECTED ON)
 
 option(DUSK_BUILD_TESTS "Enable tests" OFF)
+option(DUSK_NETWORKING "Enable networking support" ON)
 
 set(DUSK_GAME_NAME "Dusk" CACHE STRING "Game display name")
 set(DUSK_GAME_AUTHOR "YourWishes" CACHE STRING "Game author / coder")
@@ -90,6 +91,12 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME}
     DUSK_VERSION="${DUSK_VERSION}"
 )
 
+if(DUSK_NETWORKING)
+  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+    DUSK_NETWORKING
+  )
+endif()
+
 # Toolchains
 include(cmake/targets/${DUSK_TARGET_SYSTEM}.cmake)
 
@@ -116,7 +123,11 @@ if(DUSK_BUILD_TESTS)
 endif()
 
 # Build assets
-file(GLOB_RECURSE DUSK_ASSET_FILES CONFIGURE_DEPENDS "${DUSK_ASSETS_DIR}/*")
+# Deliberately not CONFIGURE_DEPENDS: that reruns the full CMake configure
+# step (which invalidates generated headers and forces a huge rebuild) on
+# every single asset edit. Re-run cmake manually when assets are added or
+# removed.
+file(GLOB_RECURSE DUSK_ASSET_FILES "${DUSK_ASSETS_DIR}/*")
 add_custom_command(
   OUTPUT "${DUSK_ASSETS_ZIP}"
   COMMAND ${CMAKE_COMMAND} -E make_directory "${DUSK_ASSETS_DIR}"