[cfe-dev] supress Clang deperecated header warning [gcc's -Wcpp]

[Rashad M]

Thanks Nico. Indeed that supressed that warning.

Now my issue happens to be with cmake which cannot add this flag. I had
asked that question on cmake list.

Maybe cmake is not able to parse warning flag with # symbol


On Mon, May 19, 2014 at 8:40 AM, Nico Weber <thakis at chromium.org> wrote:

> It looks like this is just a #warning, not a "real" deprecation warning
> from looking at that source file.
>
> clang prints "./test.h:7:3: warning: "deprecated" [-W#warnings]" for me,
> and passing -Wno-#warnings makes it go away.
>
>
> On Sun, May 18, 2014 at 11:27 PM, Rashad M <mohammedrashadkm at gmail.com>wrote:
>
>>
>> Hi all,
>>
>> For GNU C++ compiler i got warning deprecated header #Wcpp and I can
>> easily turn off it using -Wno-cpp. The same flag does not have any effect
>> on a clang compiler.
>>
>> gcc version: 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC)
>>
>> clang version: 3.3 (tags/RELEASE_33/final)
>>
>> OS: Fedora 20 x86_64 Linux
>>
>> Does anybody know the correct flag and its usage.
>>
>> Warning output:
>>
>> vcl_deprecated_header.h:10:3: warning: #warning "deprecated" [-Wcpp] #
>> warning "deprecated"
>>
>> I tried -Wno-deperecated but without any success. Removing the inclusion
>> of the deprecated header is not something I want. This is because for some
>> specific build for clang I want to disable this warning. But by default for
>> anyone who compiles the warning should appear. And No, using -w to suppress
>> everything is not something I want to do.
>>
>> In GCC, g++ i can disable it via -Wno-cpp and gcc says
>>
>> vcl_deprecated_header.h:10:3: warning: #warning "deprecated" [-Wcpp] #
>> warning "-Wcpp"
>>
>> header source : vcl_deprecated.h<http://sourceforge.net/p/vxl/git/ci/master/tree/vcl/vcl_deprecated_header.h>
>>
>>
>> Thanks for any help
>>
>> --
>> Regards,
>>    Rashad
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>
>>
>


-- 
Regards,
   Rashad
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