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Re: [Discuss-gnuradio] Upcoming gcc6 problems

From: Ben Hilburn
Subject: Re: [Discuss-gnuradio] Upcoming gcc6 problems
Date: Tue, 24 May 2016 20:49:43 -0400

Thanks for pointing this out, Stefan. When I ran Arch some years ago, I remember running into similar problems with a previous GCC update. I also seem to remember something about Arch and Python3? Anyway, most OSes move significantly slower than Arch does when it comes to updating compiler & interpreter versions. Obviously we will need to fix these eventually, though, so it's good to know about them.

I think your suggestion of setting the C++ standard in CMake is a good one, and is probably something that we should be tracking more publicly. Thanks for making the suggestion!


On Tue, May 17, 2016 at 4:17 PM, Stefan Wunsch <address@hidden> wrote:
Hey all,

gcc6 uses std=gnu++14 as default (compared to std=gnu++98 up to gcc5.3)
[0]. This causes a lot of warnings during building gnuradio due to the
deprecated auto_ptr (unique_ptr is the way to go now) and gr-zeromq
fails building completely.

Probably the used c++ standard should be set in cmake?

I know that this is currently not a real bug. At the moment this is only
a problem on Arch Linux (repos updated last month on gcc6). Fyi, here is
the gcc development plan [1].


[0] https://gcc.gnu.org/gcc-6/changes.html
[1] https://gcc.gnu.org/develop.html

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