From f3564aa1e8d30dda91354a68f29a5b5dee774a94 Mon Sep 17 00:00:00 2001
From: littlemine <wxlwxl1993@zju.edu.cn>
Date: Fri, 27 Sep 2024 21:16:10 +0800
Subject: [PATCH] avoid repeated copy

---
 projects/CUDA/CMakeLists.txt | 50 +++++++++++++++++++-----------------
 1 file changed, 27 insertions(+), 23 deletions(-)

diff --git a/projects/CUDA/CMakeLists.txt b/projects/CUDA/CMakeLists.txt
index b753132791..6a5a9063c2 100644
--- a/projects/CUDA/CMakeLists.txt
+++ b/projects/CUDA/CMakeLists.txt
@@ -99,20 +99,21 @@ if (ZS_PYTHON_FOUND AND ZENO_WITH_PyZpc)
   if (WIN32)
     cmake_path(GET ZS_OVERWRITE_PYTHON_EXECUTABLE PARENT_PATH PYTHON_ENV_PATH)
     message(STATUS "python3 parent: ${PYTHON_ENV_PATH}")
-    add_custom_command(
-      TARGET copy_py
-      POST_BUILD
-      # COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/lib ${RESOURCE_BASE_DIR}/lib
-      # COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/dlls ${RESOURCE_BASE_DIR}/dlls
-      COMMAND ${CMAKE_COMMAND}
-      -DOBJECTS=${PYTHON_ENV_PATH}/Lib
-      -DOUTPUT=${RESOURCE_BASE_DIR}
-      -P ${CMAKE_CURRENT_SOURCE_DIR}/copy_dir.cmake
-
-      COMMAND ${CMAKE_COMMAND}
-      -DOBJECTS=${PYTHON_ENV_PATH}/DLLs
-      -DOUTPUT=${RESOURCE_BASE_DIR}
-      -P ${CMAKE_CURRENT_SOURCE_DIR}/copy_dir.cmake
+    if (NOT EXISTS ${RESOURCE_BASE_DIR}/Lib/site-packages)
+      add_custom_command(
+        TARGET copy_py
+        POST_BUILD
+        # COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/lib ${RESOURCE_BASE_DIR}/lib
+        # COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/dlls ${RESOURCE_BASE_DIR}/dlls
+        COMMAND ${CMAKE_COMMAND}
+        -DOBJECTS=${PYTHON_ENV_PATH}/Lib
+        -DOUTPUT=${RESOURCE_BASE_DIR}
+        -P ${CMAKE_CURRENT_SOURCE_DIR}/copy_dir.cmake
+
+        COMMAND ${CMAKE_COMMAND}
+        -DOBJECTS=${PYTHON_ENV_PATH}/DLLs
+        -DOUTPUT=${RESOURCE_BASE_DIR}
+        -P ${CMAKE_CURRENT_SOURCE_DIR}/copy_dir.cmake
 
       # COMMAND ${CMAKE_COMMAND}
       # -DOBJECTS=${PYTHON_ENV_PATH}/library
@@ -125,8 +126,9 @@ if (ZS_PYTHON_FOUND AND ZENO_WITH_PyZpc)
       # -DOUTPUT=$<TARGET_FILE_DIR:zpc_py_interop>
       # -P ${CMAKE_CURRENT_SOURCE_DIR}/copy_dll.cmake
 
-      COMMENT "copying python lib directories at ${PYTHON_ENV_PATH} to ${RESOURCE_BASE_DIR}"
-    )
+        COMMENT "copying python lib directories at ${PYTHON_ENV_PATH} to ${RESOURCE_BASE_DIR}"
+      )
+    endif()
     if (EXISTS ${PYTHON_ENV_PATH}/library)
       add_custom_command(
         TARGET copy_py
@@ -154,14 +156,16 @@ if (ZS_PYTHON_FOUND AND ZENO_WITH_PyZpc)
     cmake_path(GET ZS_OVERWRITE_PYTHON_EXECUTABLE PARENT_PATH PYTHON_ENV_PATH)
     cmake_path(GET PYTHON_ENV_PATH PARENT_PATH PYTHON_ENV_PATH)
     message(STATUS "python3 parent: ${PYTHON_ENV_PATH}")
-    add_custom_command(
-      TARGET copy_py
-      POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/bin ${RESOURCE_BASE_DIR}/bin
-      COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/lib ${RESOURCE_BASE_DIR}/lib
+    if (NOT EXISTS ${RESOURCE_BASE_DIR}/lib/libtinfo.a)
+      add_custom_command(
+        TARGET copy_py
+        POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/bin ${RESOURCE_BASE_DIR}/bin
+        COMMAND ${CMAKE_COMMAND} -E copy_directory ${PYTHON_ENV_PATH}/lib ${RESOURCE_BASE_DIR}/lib
 
-      COMMENT "copying python lib directory ${PYTHON_ENV_PATH}/lib to ${RESOURCE_BASE_DIR}/lib"
-    )
+        COMMENT "copying python lib directory ${PYTHON_ENV_PATH}/lib to ${RESOURCE_BASE_DIR}/lib"
+      )
+    endif()
   endif()
 
   # prepare zpc headers for pyzpc