[GitHub] [arrow] kou commented on a change in pull request #7284: ARROW-7409: [C++][Python] Windows link error LNK1104: cannot open file 'python37_d.lib'

[GitBox <gi...@apache.org>]

kou commented on a change in pull request #7284:
URL: https://github.com/apache/arrow/pull/7284#discussion_r431438314



##########
File path: cpp/cmake_modules/DefineOptions.cmake
##########
@@ -120,6 +120,8 @@ if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
 
   define_option(ARROW_GGDB_DEBUG "Pass -ggdb flag to debug builds" ON)
 
+  define_option(ARROW_USE_DEPRECATED_FIND_PYTHONLIBS "Force using deprecated FindPythonLibsNew script" OFF)

Review comment:
       Could you remove this?
   This isn't used for forcing using deprecated `FindPythonLibsNew`.

##########
File path: cpp/src/arrow/python/CMakeLists.txt
##########
@@ -60,7 +60,11 @@ endif()
 
 set(ARROW_PYTHON_SHARED_LINK_LIBS arrow_shared)
 if(WIN32)
-  list(APPEND ARROW_PYTHON_SHARED_LINK_LIBS ${PYTHON_LIBRARIES} ${PYTHON_OTHER_LIBS})
+  if(ARROW_USE_DEPRECATED_FIND_PYTHONLIBS)
+    list(APPEND ARROW_PYTHON_SHARED_LINK_LIBS $<$<CONFIG:Debug>:${PYTHON_DEBUG_LIBRARIES}> $<$<CONFIG:Release>:${PYTHON_LIBRARIES}>)
+  else()
+    list(APPEND ARROW_PYTHON_SHARED_LINK_LIBS ${PYTHON_OTHER_LIBS})

Review comment:
       `${PYTHON_OTHER_LIBS}` should be always used.

##########
File path: cpp/cmake_modules/FindPythonLibsNew.cmake
##########
@@ -246,7 +248,7 @@ FUNCTION(PYTHON_ADD_MODULE _NAME )
       SET_TARGET_PROPERTIES(${_NAME} PROPERTIES LINK_FLAGS
                           "-undefined dynamic_lookup")
     ELSEIF(MSVC)
-      target_link_libraries(${_NAME} ${PYTHON_LIBRARIES})
+      target_link_libraries(${_NAME} ${PYTHON_LIBRARIES} $<$<CONFIG:Debug>:${PYTHON_DEBUG_LIBRARIES}> $<$<CONFIG:Release>:${PYTHON_LIBRARIES}>)

Review comment:
       `${PYTHON_LIBRARIES}` is duplicated in the `Release` configuration.
   




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