> On 2011-03-22 12:14:43, Andrew Stitcher wrote:
> > Looking at the gcc documentation, it seems that the way 
> > __attribute((visibility=..)) is supposed to be used is the opposite way 
> > round to which we use in our headers (and in Visual Studio/Windows) your 
> > supposed to set a default which is more visible and then override it with 
> > less visible member functions.
> > 
> > Doing it that way looks like it would avoid the warnings you are seeing (I 
> > haven't tried this though so I may have it wrong in practice)
> 
> Alan Conway wrote:
>     I didn't get the same impression, I'll read again. The big advantage in 
> doing it this way is that windows does it this way and the windows folks have 
> already defined and tested our public API for us with macros we can re-use. I 
> also feel like it makes more sense to me to directly define the public API 
> rather than indirectly defining it as the inverse of the non-public 
> functions. Seems like it is more error prone to try to mark every non-public 
> function - since that's a constantly changing set - than mark the stable set 
> of public API functions.

I completely agree with this, just stating my impression of the gcc 
documentation


- Andrew


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/520/#review347
-----------------------------------------------------------


On 2011-03-22 08:10:48, Alan Conway wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/520/
> -----------------------------------------------------------
> 
> (Updated 2011-03-22 08:10:48)
> 
> 
> Review request for qpid and Andrew Stitcher.
> 
> 
> Summary
> -------
> 
> WIP: enable -fvisibility=hidden -fvisibility-inlines-hidden 
> 
> Failing with warnings: warning: lowering visibility of ... to match its type 
> Google suggests warning is ok, but no apparent way to disable it. 
> Try build with warnings off to see if the results are good.
> 
> 
> Diffs
> -----
> 
>   trunk/qpid/cpp/configure.ac 1084053 
>   trunk/qpid/cpp/include/qmf/engine/QmfEngineImportExport.h 1084053 
>   trunk/qpid/cpp/include/qpid/CommonImportExport.h 1084053 
>   trunk/qpid/cpp/include/qpid/ImportExportDefs.h PRE-CREATION 
>   trunk/qpid/cpp/include/qpid/agent/QmfAgentImportExport.h 1084053 
>   trunk/qpid/cpp/include/qpid/client/ClientImportExport.h 1084053 
>   trunk/qpid/cpp/include/qpid/console/ConsoleImportExport.h 1084053 
>   trunk/qpid/cpp/include/qpid/messaging/ImportExport.h 1084053 
>   trunk/qpid/cpp/src/Makefile.am 1084053 
>   trunk/qpid/cpp/src/qpid/broker/BrokerImportExport.h 1084053 
> 
> Diff: https://reviews.apache.org/r/520/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Alan
> 
>

Reply via email to