On 4 June 2018 at 10:16, Eric Noulard wrote:
>
>
> In both cases I don't know how to discover that in a cross-platform way.
> Probably MSVC has another option for pre-processsing.
>
The basic option is /P, with related options /EP and /C which control line
numbering, comment suppression etc.
Petr
On 4 June 2018 at 10:16, Eric Noulard wrote:
>
>
> Le lun. 4 juin 2018 à 09:59, Stéphane Ancelot
> a écrit :
>
>> hi
>>
>> is there a mactro for cpp ?
>>
>
> You mean a CMake variable which would contain the path to C preprocessor
> binary?
>
> I don't think so, at list no xxx__xxx variable seems to exists for
> that.
> Did you check "cmake --help-variable-list" ?
>
> May be you can ask the compiler to act a the C pre-processor?
>
> clang and gcc both accept the '-E' command line option to only run the
> preprocessor.
>
> otherwise you may probably call
>
> find_program(C_PREPROCESSOR NAMES cpp)
>
> In both cases I don't know how to discover that in a cross-platform way.
> Probably MSVC has another option for pre-processsing.
>
> Eric
>
>>
>> Regards,
>>
>> S.Ancelot
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> Eric
>
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Please keep messages on-topic and check the CMake FAQ at:
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Kitware offers various services to support the CMake community. For more
information on each offering, please visit:
CMake Support: http://cmake.org/cmake/help/support.html
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