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

[Rashad M]

Hi Nico,

Thanks again for the help. It worked from terminal via

cmake -DCMAKE_CXX_FLAGS='Wall -Wno-\#warnings"




On Mon, May 19, 2014 at 9:15 AM, Nico Weber <thakis at chromium.org> wrote:

> This seems to do the trick over here:
>
> $ cat CMakeLists.txt
> project(test)
>
> set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-#warnings" )
>  add_executable(foo foo.cc)
>
>
> On Mon, May 19, 2014 at 12:07 AM, Rashad M <mohammedrashadkm at gmail.com>wrote:
>
>> 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
>>
>
>


-- 
Regards,
   Rashad
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