danfike at gmail.com danfike at gmail.com
Mon Sep 24 11:13:53 EDT 2007

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On Sep 22, 10:08 am, "Martin v. Löwis" <mar... at v.loewis.de> wrote:
> > 1>py_dyn_test.obj : error LNK2001: unresolved external symbol
> > _Py_NoneStruct
>
> Could it be that py_dyn_test.obj is a x86 (not AMD64) object
> file? Run dumpbin.

Hmm - I've never used dumpbin, but I think I like it.

It doesn't look like these are x86, though. See below:

D:\....\py_dyn_test\x64\Debug>dumpbin /HEADERS py_dyn_test.obj
Microsoft (R) COFF/PE Dumper Version 8.00.50727.762
Copyright (C) Microsoft Corporation.  All rights reserved.


Dump of file py_dyn_test.obj

File Type: COFF OBJECT

FILE HEADER VALUES
            8664 machine (x64)
            ....


D:\....\3rdParty\Python25\libs>dumpbin /HEADERS python25_d.lib
Microsoft (R) COFF/PE Dumper Version 8.00.50727.762
Copyright (C) Microsoft Corporation.  All rights reserved.


Dump of file python25_d.lib

File Type: LIBRARY

FILE HEADER VALUES
            8664 machine (x64)
               3 number of sections
        46F3CED2 time date stamp Fri Sep 21 09:01:54 2007
             113 file pointer to symbol table
               8 number of symbols
               0 size of optional header
               0 characteristics

<snip>

  Version      : 0
  Machine      : 8664 (x64)
  TimeDateStamp: 46F3CED2 Fri Sep 21 09:01:54 2007
  SizeOfData   : 0000001E
  DLL name     : python25_d.dll
  Symbol name  : _Py_NoneStruct
  Type         : data
  Name type    : name
  Hint         : 900
  Name         : _Py_NoneStruct

<etc>

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