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Code analysis error: Function '__sync_bool_compare_and_swap' could not be resolved [message #1077528]

Thu, 01 August 2013 21:05

Paul Clegg

Messages: 2
Registered: August 2013

Junior Member

Code analysis is not able to resolve any of the GCC atomic builtin functions (gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Atomic-Builtins.html).

Code example:

bool foo(false);
while(!__sync_bool_compare_and_swap(&foo, false, true)) {}

I have 'Automated discovery of paths and symbols' enabled for 'GCC C++ Compiler' in C/C++ Build -> Discovery Options

Is there something else I'm missing to get these to cleanly resolve?

TIA

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Re: Code analysis error: Function '__sync_bool_compare_and_swap' could not be resolved [message #1078096 is a reply to message #1077528]

Fri, 02 August 2013 14:35

Ivan Galicia

Messages: 17
Registered: September 2012

Junior Member

Paul,
I have a similar issue, I add the path in to the "preprocessor include path"->Entries.

I hope this works for you..
Regards

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Re: Code analysis error: Function '__sync_bool_compare_and_swap' could not be resolved [message #1078149 is a reply to message #1078096]

Fri, 02 August 2013 15:49

Paul Clegg

Messages: 2
Registered: August 2013

Junior Member

I added it manually to:

C/C++ General -> Preprocessor Include Paths -> Entries -> CDT User Setting Entries

and it solved the problem, but is there a way to configure the CDT GCC Built-in Compiler Settings provider to discover these GCC built-in functions automatically?

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Re: Code analysis error: Function '__sync_bool_compare_and_swap' could not be resolved [message #1082933 is a reply to message #1078149]

Fri, 09 August 2013 08:16

Lanna Joka

Messages: 1
Registered: August 2013

Junior Member

Hi, can both of you be more specifix about the solution?

I encoutered a same problem and I'm looking for a quick fix of this !

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Re: Code analysis error: Function '__sync_bool_compare_and_swap' could not be resolved [message #1095340 is a reply to message #1077528]

Tue, 27 August 2013 00:09

Sergey Bobkov

Messages: 1
Registered: August 2013

Junior Member

The same problem. Tried -march key in compiler settings but it didn't work out. Looks a bit weird that your include solves the problem as this built-in function doesn't have any header file to be included.

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