Cached Generation

cmake/zero.cmake

@@ -122,6 +122,12 @@ file(GLOB_RECURSE VAMP_GENERATOR_INPUTS CONFIGURE_DEPENDS
 )
 set(VAMP_GENERATED_ASSETS_DIR ${CMAKE_CURRENT_BINARY_DIR}/generated-assets)
 set(VAMP_GENERATED_ASSETS_STAMP ${CMAKE_CURRENT_BINARY_DIR}/generated-assets.stamp)
+set(VAMP_ENGRAVING_JOBS 2 CACHE STRING "Maximum parallel Python engraving workers (1-16)")
+set(VAMP_ENGRAVING_CACHE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/build/build_common/engraving-cache" CACHE PATH "Shared build-only page cache; empty disables caching")
+set(VAMP_ENGRAVING_CACHE_ARGS)
+if(VAMP_ENGRAVING_CACHE_DIR)
+  list(APPEND VAMP_ENGRAVING_CACHE_ARGS --engraving-cache "${VAMP_ENGRAVING_CACHE_DIR}")
+endif()
 string(JOIN "\n" VAMP_GENERATOR_INPUT_MANIFEST ${VAMP_GENERATOR_INPUTS})
 file(CONFIGURE OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/generated-assets.inputs
   CONTENT "@VAMP_GENERATOR_INPUT_MANIFEST@\n" @ONLY)
@@ -129,14 +135,19 @@ add_custom_command(
   OUTPUT ${VAMP_GENERATED_ASSETS_STAMP}
   BYPRODUCTS ${VAMP_GENERATED_ASSETS_DIR}/catalogue.db
   COMMAND ${Python3_EXECUTABLE}
+    -u
     -m generator
     --data-dir ${CMAKE_CURRENT_SOURCE_DIR}/data
     --output-dir ${VAMP_GENERATED_ASSETS_DIR}
     --static-assets-dir ${CMAKE_CURRENT_SOURCE_DIR}/package/assets
     --check
+    --jobs ${VAMP_ENGRAVING_JOBS}
+    --progress
+    ${VAMP_ENGRAVING_CACHE_ARGS}
   COMMAND ${CMAKE_COMMAND} -E touch ${VAMP_GENERATED_ASSETS_STAMP}
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   DEPENDS ${VAMP_GENERATOR_INPUTS} ${CMAKE_CURRENT_BINARY_DIR}/generated-assets.inputs
+  USES_TERMINAL
   VERBATIM
 )
 add_custom_target(vamp-generated-assets ALL DEPENDS ${VAMP_GENERATED_ASSETS_STAMP})