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Variadic template bug? [message #907412] Mon, 03 September 2012 20:20 Go to next message
Michael Spertus is currently offline Michael Spertus
Messages: 78
Registered: July 2009
Member
The following code builds without warnings on g++ -std=c++0x but CDT says "symbol bar could not be resolved." Bug?
#include <iostream>
using namespace std;

void f(int i) {
	cout << "foo" << i << endl;
}

template<typename... T>
struct Foo
{
	template<void(*fp)(T...)>
	static void bar(T... t) { fp(t...); }
};

int main()
{
	Foo<int>::bar<f>(3);
        return 0;
}

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Re: Variadic template bug? [message #907519 is a reply to message #907412] Tue, 04 September 2012 02:50 Go to previous messageGo to next message
Axel Mueller is currently offline Axel Mueller
Messages: 1823
Registered: July 2009
Senior Member
http://wiki.eclipse.org/CDT/User/FAQ#CDT_does_not_recognize_C.2B.2B11_features

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

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Re: Variadic template bug? [message #912595 is a reply to message #907519] Thu, 13 September 2012 16:30 Go to previous messageGo to next message
Michael Spertus is currently offline Michael Spertus
Messages: 78
Registered: July 2009
Member
Sorry, that doesn't help.

Changing Open Project Properties->C/C++ Build ->Settings->Tool Settings->GCC C++ Compiler->Miscellaneous->Other Flags to -std=c++0x doesn't affect anything.

I couldn't find a "compiler invocation arguments" field in "Project Properties->C/C++ Build ->discovery Options"

Any ideas?

Thanks,

Mike

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Re: Variadic template bug? [message #912849 is a reply to message #912595] Fri, 14 September 2012 05:30 Go to previous messageGo to next message
Axel Mueller is currently offline Axel Mueller
Messages: 1823
Registered: July 2009
Senior Member
Michael Spertus wrote on Thu, 13 September 2012 22:30
Sorry, that doesn't help.

Changing Open Project Properties->C/C++ Build ->Settings->Tool Settings->GCC C++ Compiler->Miscellaneous->Other Flags to -std=c++0x doesn't affect anything.

I couldn't find a "compiler invocation arguments" field in "Project Properties->C/C++ Build ->discovery Options"

Any ideas?

Thanks,

Mike

There was a change in the discovery configuration jor the Juno release. You have to go to Project Properties->C/C++ General_>Preprocessor Include...

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

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Re: Variadic template bug? [message #913102 is a reply to message #912849] Fri, 14 September 2012 15:27 Go to previous messageGo to next message
Michael Spertus is currently offline Michael Spertus
Messages: 78
Registered: July 2009
Member
Thanks for responding, Axel
Axel Mueller wrote on Fri, 14 September 2012 05:30

There was a change in the discovery configuration jor the Juno release. You have to go to Project Properties->C/C++ General_>Preprocessor Include...

When I go to Project Properties->C/C++ General_>Preprocessor Include Path, Macros, etc., I don't see any place to add compiler options like "-std=c++0x" What am I missing?

Thanks,

Mike

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Re: Variadic template bug? [message #913115 is a reply to message #913102] Fri, 14 September 2012 16:10 Go to previous messageGo to next message
Klaus Mr is currently offline Klaus Mr
Messages: 89
Registered: November 2011
Member
Quote:
What am I missing?


The forum search function?

http://www.eclipse.org/forums/index.php/t/373462/

Btw: This setting is hidden... Crying or Very Sad

regards,
klaus

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Re: Variadic template bug? [message #913171 is a reply to message #913115] Fri, 14 September 2012 19:03 Go to previous messageGo to next message
Michael Spertus is currently offline Michael Spertus
Messages: 78
Registered: July 2009
Member
Thanks, Klaus, that was useful and made some of my C++0x scanning work better, but it still doesn't solve the original problem I first posted on. Does that code display without an error marker in CDT for anyone?
Klaus Mr wrote on Fri, 14 September 2012 16:10
Quote:
What am I missing?


The forum search function?

http://www.eclipse.org/forums/index.php/t/373462/

Btw: This setting is hidden... Crying or Very Sad

regards,
klaus

[Updated on: Fri, 14 September 2012 19:04]

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Re: Variadic template bug? [message #913286 is a reply to message #913171] Sat, 15 September 2012 02:53 Go to previous messageGo to next message
Klaus Mr is currently offline Klaus Mr
Messages: 89
Registered: November 2011
Member
Hi,

very likely you see false errors from Codan. Sad

http://www.eclipse.org/forums/index.php/t/274600/

regards,
Klaus

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Re: Variadic template bug? [message #913457 is a reply to message #913286] Sat, 15 September 2012 14:06 Go to previous messageGo to next message
Michael Spertus is currently offline Michael Spertus
Messages: 78
Registered: July 2009
Member
Thanks, Klaus. Should I submit a bug? I didn't see it any of the codan bugs (maybe I missed something, though)

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Re: Variadic template bug? [message #915515 is a reply to message #913457] Mon, 17 September 2012 08:53 Go to previous message
Axel Mueller is currently offline Axel Mueller
Messages: 1823
Registered: July 2009
Senior Member
Michael Spertus wrote on Sat, 15 September 2012 20:06
Thanks, Klaus. Should I submit a bug? I didn't see it any of the codan bugs (maybe I missed something, though)

Variadic templates should be supported by CDT. Did you rebuild the index after the changing the compiler settings?

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

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