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Unable to get Kepler working with c++11 [message #1387144]

Tue, 24 June 2014 11:53

Matteo Naccari

Messages: 1
Registered: June 2014

Junior Member

Hello everyone,

I have an existing code written in c++11 which has been imported in CDT Kepler as a c++ project (.cproject file originally shipped with the code). I've got already a make file for this so I'm able to build everything but I end up with many errors in the IDE (e.g. symbol shared_ptr could not be resolved, etc.). I guess this is due to CDT being misconfigured for c++11. I tried to follow the instructions posted here but under Build -> Settings there is no Tool Settings tab. Did anyone have the same problem? I'm not able to specify this option even if I import the files using EGit nor by selecting an existing c++ project...

Many thanks for your kind reply!

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Re: Unable to get Kepler working with c++11 [message #1387575 is a reply to message #1387144]

Wed, 25 June 2014 09:25

Axel Mueller

Messages: 1973
Registered: July 2009

Senior Member

https://www.eclipse.org/forums/index.php/mv/msg/373462/909018/#msg_909018

Before you ask
- search this forum
- see the FAQ http://wiki.eclipse.org/CDT/User/FAQ
- google

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Re: Unable to get Kepler working with c++11 [message #1389764 is a reply to message #1387144]

Sat, 28 June 2014 09:22

Thies Thate

Messages: 2
Registered: June 2014

Junior Member

I put this already as message #1386960 Perhaps here more chance?

As c++11 beginner I follow some Stroustrup C++ exercises.
(Programming 2nd edition, using his std_lib_facilities.h)

Each exercise has to be setup as a new project.
Up to now I have to add -std=c++11 via Project/Properties/C/C++ Build/Settings/
GCC C++ Compiler/Miscellaneous, this works.

My question: how can I arrange this for the workspace, so that it is no more necessary
to add -std=c++11 for each project?

I tried this via window/preferences/ c/c++ /Build/Settings/Discovery/CDT GCC Built-in
Compiler Settings [Shared] (Command to get compiler specs:added there -std=c++11) but without effect.

Thanks for your help.

(Eclipse's CDT FAQ did not help in this, as far as I can see.)

See attached screenshots:
settings.png: Here the warning:"These settings are global to the entire workspace. They are overridden by project-specific settings."
settings1.png: you see under other flags no -std=c++11. So if that is not added here the settings for the workspace are overridden and no -std=c++11 is used.
settings2.png: I added the needed -std=c++11 and now everything works fine for c++11.

Again my question how can I set things right once for the workspace so that I do not have to add it again for each project?

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Attachment: settings1.png
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Attachment: settings2.png
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Re: Unable to get Kepler working with c++11 [message #1445013 is a reply to message #1389764]

Tue, 14 October 2014 22:36

KJC Wientjes

Messages: 1
Registered: October 2014

Junior Member

As suggested on other forums there is a workaround:

Project Properties -> C/C++ General -> Preprocessor Include Paths, Macros->[Providers] tab -> your Built-in Compiler Settings provider (toolchain dependent) -> There is "Command to get compiler specs" input field, add "-std=c++0x" in there.

KJW

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