r244312 - Silence tools/clang/lib/Tooling/CompilationDatabase.cpp:328:12: warning:

[Yaron Keren via cfe-commits]

We have LLVM_ATTRIBUTE_UNUSED, I'll check if it works as advertised.


2015-08-07 19:02 GMT+03:00 David Blaikie <dblaikie at gmail.com>:

>
>
> On Fri, Aug 7, 2015 at 3:15 AM, Yaron Keren via cfe-commits <
> cfe-commits at lists.llvm.org> wrote:
>
>> Author: yrnkrn
>> Date: Fri Aug  7 05:15:15 2015
>> New Revision: 244312
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=244312&view=rev
>> Log:
>> Silence tools/clang/lib/Tooling/CompilationDatabase.cpp:328:12: warning:
>> ‘clang::tooling::JSONAnchorDest’ defined but not used [-Wunused-variable]
>> from gcc 5.1.
>>
>>
>> Modified:
>>     cfe/trunk/lib/Tooling/CompilationDatabase.cpp
>>
>> Modified: cfe/trunk/lib/Tooling/CompilationDatabase.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Tooling/CompilationDatabase.cpp?rev=244312&r1=244311&r2=244312&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/lib/Tooling/CompilationDatabase.cpp (original)
>> +++ cfe/trunk/lib/Tooling/CompilationDatabase.cpp Fri Aug  7 05:15:15 2015
>> @@ -325,7 +325,7 @@ namespace tooling {
>>  // This anchor is used to force the linker to link in the generated
>> object file
>>  // and thus register the JSONCompilationDatabasePlugin.
>>  extern volatile int JSONAnchorSource;
>> -static int JSONAnchorDest = JSONAnchorSource;
>>
>
> Perhaps this just needs __attribute__((used)) or __attribute__((unused))
> (probably the latter) - I imagine we have macros for those?
>
>
>> +int JSONAnchorDest = JSONAnchorSource;
>>
>>  } // end namespace tooling
>>  } // end namespace clang
>>
>>
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>>
>
>
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