C++ error Type 'std::thread' could not be resolved Eclipse Mars 4.5 , Ubuntu 12.04

Question

I am quite desperate. Eclipse keeps on giving the error

'std::thread' could not be resolved

I of course #include <thread>

I tried also the following which I found in another question in stackoverflow: Window -> Preferences -> C/C++ -> Build -> Settings -> Discovery -> CDT GCC Build-in Compiler Settings in the text box entitled Command to get compiler specs append -std=c++11

NOW it looks like: ${COMMAND} ${FLAGS} -E -P -v -dD -std=c++11 "${INPUTS}"

Properties -> C/C++ Build -> Settings -> Tool Settings -> GCC C++ Compiler -> Dialect

select ISO C++11 from the Language standard drop down.

But it does not work. Anyone can help?

UPDATE: I updated the compiler to version 4.8. The error is still there, but it compiles, and it even works... so it is enough for me! Thanks everyone for your help!

The standard C++ compiler in Ubuntu 12.04 is most likely to old know the option `-std=c++11`, you can try `-std=c++0x`. If that doesn't help either, then you need to upgrade to a newer compiler with better C++11 support. — Some programmer dude, Aug 24 '15 at 14:05
As stated by Joachim can you post the gcc version? That would help a lot. And possibly all the compiler output. — Rudolfs Bundulis, Aug 24 '15 at 14:07
Compiler output in eclipse: in the console, it seems everything ok. But in the field "problems" the sentence is "Type 'std::thread' could not be resolved" — Cristina, Aug 24 '15 at 14:19

score 1 · Accepted Answer · answered Aug 25 '15 at 12:51

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Note that the std=c++11 flag was only added in gcc 4.7. Try upgrading you compiler or else try the option supported in gcc 4.6, namely: std=c++0x.

answered Aug 25 '15 at 12:51

nbubis

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score 0 · Answer 2 · edited Sep 05 '17 at 17:57

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Had the same problem with eclipse oxygen. Removing support for pthread in the linker and compiler solved it for me.

edited Sep 05 '17 at 17:57

Undo

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answered Sep 05 '17 at 14:48

haim

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C++ error Type 'std::thread' could not be resolved Eclipse Mars 4.5 , Ubuntu 12.04

2 Answers2

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