[CMake] Visual Studio Warning Level

[Robert Dailey]

Hey guys,
I'm responding to this issue to check on the progress of this. I'm still
currently unable to easily set the warning level in Visual Studio to level 4
and I really need to be able to do this. This really is a serious issue for
me.

How are things going in this area? Would it be possible to have a quick
feature for this in CMake 2.6.4?

On Mon, Nov 24, 2008 at 8:42 AM, Bill Hoffman <bill.hoffman at kitware.com>wrote:

> Judicaël Bedouet wrote:
>
>
>> I love the idea to set warning flags in platform files but I don't
>> understand why new files must be created. Is not it possible to add
>> warning variables to existent platform files in Modules/Platform ?
>>
>>  That would be the end goal.  However, if someone wanted it sooner it
> could be done inside a project by creating platform files that could be
> merged into CVS CMake.   My point was that it would be much easier to merge
> a platform file based solution than a if,else type solution.
>
>  I wonder if it would be possible to add a CMAKE_WARNING_LEVEL variable
>> (like CMAKE_BUILD_TYPE) which could take values like Warning1,
>> Warning2, Warning3, Warning4 (or All, Full, No).
>> So we could define in platform files CMAKE_CXX_FLAGS_WARNING1_INIT,
>> CMAKE_CXX_FLAGS_WARNING2_INIT... variables (like
>> CMAKE_CXX_FLAGS_DEBUG_INIT, CMAKE_CXX_FLAGS_RELEASE_INIT).
>> The final default value for CMAKE_CXX_FLAGS would be
>> "${CMAKE_CXX_FLAGS_INIT} ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}_INIT}
>> ${CMAKE_CXX_FLAGS_${CMAKE_WARNING_LEVEL}_INIT}".
>>
>> I think it would be a great idea that CMake provide default and
>> portable warning flags.
>>
> I am thinking we could use global properties for this, instead of
> variables.  Also, no need to use _INIT type stuff as it would not have to be
> stored in the cache, and users would never need/want to change them.
>
>  If you need any help, I would be very pleased to contribute.
>>
>>  Sounds good.
>
>
> -Bill
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