Hello, Daniel!
Thanks for your answer!

My interest about STL containers has quite simple prerequisite. As far as I know Genode implementations of data structure (particularly, Avl_tree) has some issues and Genodelabs does not recommend it for usage in user applications. The reasons that issues are still not resolved is quite serious: Genode is kept as simple as possible. So, I was thinking about making a kind of porting of STL to Genode. But, it seems that this work is redundant since it is possible to use containers by means of specifying stdcxx in makefile. The only trouble is using Genode allocators/new operator instead of native C++ ones.

I have this only in mind and even did not start to do anything. =)

Kind regards,
Sergey.

Hi Sergey,

W.R.T. Genode allocators and STL - I would of thought that you would not need to do this directly, but that the Genode stdc++ port backs onto a port of malloc, that in turn backs onto Genode allocator calls.

Is there something specific you are trying to do?

Daniel
On 03/21/2013 12:30 AM, Norman Feske wrote:
Hello Sergey,


I am sorry for off-topic.
Is it possible to use STL containers using mentioned way? (change target.mk)

yes. In order to use the C++ standard library, you will need to prepare
it first. To do that, just issue the following command from within the
'libports' repository:

  make prepare PKG=stdcxx

This will download and integrate the library with Genode. Also make sure
that the 'libports' repository is specified in your build directory's
'REPOSITORIES' declaration (in '<build-dir>/etc/build.conf').

Please note, however, that we at Genode Labs don't use the C++ standard
library much. So the stdcxx library does not receive much testing from
our side. If you encounter problems with it, please bear with us. Also,
some modern bits such as C++11 concurrency features are not supported.
The containers should work without problems though.


And one more question: how can one use STL containers with Genode new
placement operator?

I cannot help you here because I lack proficiency with STL. Maybe Daniel
can help out here?

Best regards
Norman





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