Re: [cdt-dev] Indexer and different build configurations

["Bossert, Andre" <anb0s@xxxxxxxx>]

Hello Marc-Andre,

i will start testing the working prototype soon, see my comments.

Thanks!

Regards,
Andre

2015-11-02 15:23 GMT+01:00 Marc-Andre Laperle <malaperle@xxxxxxxxx>:
> Hi Martin,
>
> There is only one index stored on disk at a time. There was good
> progress done to support multiple, see
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=183781. It's in a state
> of a working prototype. I think we could finish this for CDT 9.0. Your
> help in testing this would be useful. I can update the branch for this
> in the very short term then we can look at the remaining issues,
> here's a copy/paste of what I thought was left to do a while ago:
> - Handling exporting/importing team shared index. We need to update the UI, etc.
> - What to do when the settings for an inactive configuration change.
> Delete that file and rebuild the index when the user changes the
> active configuration?
> - Clean up the obsolete index files when upgrading. The pdom files
> used to be foo.12345.pdom now they are foo.Debug.12345.pdom, etc.
> - Unit Tests
>
> Cheers,
> Marc-Andre
>
> On Mon, Nov 2, 2015 at 6:06 AM,  <Martin.Runge@xxxxxxxxxxxxxxxxx> wrote:
>> Hi all,
>>
>> I experience some inconsistant behaviour of the indexer in the following
>> scenario: I have defined two build configurations:
>>
>> - debug_x86
>> - debug_arm
>>
>> They build the same project with different toolchains and therefore include
>> header files from different paths. An example::
>>
>> std::cerr is defined in
>> #include <iostream>
>>
>> debug_x86  ->  /usr/include/c++/4.8/iostream
>> debug_arm  ->  /path/to/cross/compiler/include/iostream
>>
>> I found three different settings for the CDT indexer, that influence how
>> this is handled:
>>
>> 1) Use the build configuration specified in the project's indexer settings
>>   This one is clear and behaves like expected.
>>
>> 2)   Use active build configuration
>>   2a)  Allow heuristic resolution of includes
>>         The Indexer asks the user, which of the two header versions to use
>>
>>   2b) Do not allow heuristic resolution of includes
>>        The indexer uses the correct header file for both configurations, but
>> it completely rebuilds the index after each change of the build
>> configuration!
>>
>> Rebuilding the index every time the configuration is changed is not feasible
>> IMHO, except for very small projects.
>>
>> As far as I understood, the index is something tied to the configuration. If
>> I use several configurations, I get the same number of indexes. Is there a
>> way to keep them spererate and just switch between them?
>>
>> best regards
>> Martin
>>
>>
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-- 
Regards
Andre (anb0s)
eMail: anb0s@xxxxxxxx