[ace-bugs] [config]: Macro ACE_HAS_GCC_ATOMIC_BUILTINS should be defined for clang.

[Johnny Willemsen]

Hi,

Thanks for using the PRF form and sorting this out. Please open a pull
request at https://github.com/DOCGroup/ACE_TAO with the necessary changes.

Best regards,

Johnny Willemsen

Remedy IT
Postbus 81 | 6930 AB Westervoort | The Netherlands
http://www.remedy.nl

On 01/23/2017 09:32 PM, Marek Beleščiak wrote:
>
> ACE VERSION: 6.3.3+ - including latest 6.4.1
>     HOST MACHINE and OPERATING SYSTEM:
> 	linux 4.4.0-45-generic #66-Ubuntu SMP x86_64 GNU/Linux
> 	Distributor ID:	Ubuntu
> 	Description:	Ubuntu 16.04.1 LTS
> 	Release:	16.04
> 	Codename:	xenial
>
>     COMPILER NAME AND VERSION (AND PATCHLEVEL): clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
>
>     THE $ACE_ROOT/ace/config.h FILE [if you use a link to a platform-
>     specific file, simply state which one]: config-linux, config-macosx-snowleopard.h
>
>     DOES THE PROBLEM AFFECT:
>         COMPILATION? No
>         LINKING? No, only when linking end-user apps against ACE.
>         EXECUTION? No
>         OTHER (please specify)?
>
>     SYNOPSIS:
> 	Macro |ACE_HAS_GCC_ATOMIC_BUILTINS should be defined for clang.|
>
>     DESCRIPTION:
> 	When using Atomic_Op with clang, atomic builtins are not used and
> 	that reuslts in undefined symbols linker errors to increment_fn, etc.
>
>     REPEAT BY:
> 	Try to compile this program with clang:
>
> 	#include <ace/Atomic_Op.h>
>
> 	int main()
> 	{
> 	    ACE_Atomic_Op<ACE_Thread_Mutex, long> a;
> 	    a++;
> 	    return 0;
> 	}
>
>      SAMPLE FIX/WORKAROUND:
> 	See my answer at stackoverflow - http://stackoverflow.com/a/40563618/823738
> -- 
> Best Regards,
> Marek Beleščiak
>
>
> _______________________________________________
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