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[Python-Dev] test_ctypes failure on Mac OS X/PowerPC 10.3.9(Panther)

Thomas Heller theller at python.net
Thu Jun 22 22:07:09 CEST 2006 
Ronald Oussoren schrieb:
>  
> On Wednesday, June 21, 2006, at 09:43AM, Thomas Heller <theller at python.net> wrote:
> 
>>Ronald Oussoren schrieb:
>>>> will have a look.
>>> 
>>> It is a platform bug, RTLD_LOCAL doesn't work on 10.3. The following C 
>>> snippet fails with the same error as ctypes: FAIL: dlcompat: unable to 
>>> open this file with RTLD_LOCAL. This seems to be confirmed by this 
>>> sourcet test file from darwin: 
>>> http://darwinsource.opendarwin.org/10.4.1/dyld-43/unit-tests/test-cases/dlopen-RTLD_LOCAL/main.c. 
>>> 
>>
>>What does this mean?  Would it work with RTLD_GLOBAL, is there any other 
>>way to repair it, or does loading dylibs not work at all on Panther?
> 
> Using RTLD_GLOBAL does work. This should also be fairly save as RTLD_GLOBAL seems to be the same as RTLD_LOCAL when using two-level namespaces (which is the default on OSX and used by Python).

This sounds like RTLD_GLOBAL should be the default mode on OS X.

Thomas
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