[CMake] How to detect MSVC 2015 update 3 (= presence of /fpermissive-)
René J. V. Bertin
rjvbertin at gmail.com
Wed May 17 08:40:56 EDT 2017
Volker Enderlein wrote:
Hi,
Thanks, that helps. With there is maybe something to learn from the CMake
sources, too.
R.
> Hello,
>
> according to https://sourceforge.net/p/predef/wiki/Compilers/ you could
> check with
>
> check_cxx_source_compiles("
> #if defined (_MSC_VER) && (_MSC_VER == 1900) && (_MSC_FULL_VER ==
> 190024210)
> #else
> #error compiler is not MSVC Update3
> #endif
> int main() {
> return 0;
> }
> " MSVC_UPDATE3_FOUND)
>
> for the requested feature.
>
> HTH, Cheers, Volker
>
>
> Am 15/05/2017 um 14:56 schrieb René J.V. Bertin:
>> Hello,
>>
>> A question that will hopefully have a quick/easy answer:
>>
>> I'd like to detect when the MSVC /fpermissive- (yes, that's a dash at the
>> end) can be used instead of /Za . I know that a later update bumped the
>> version to 14.0.25422.01 and thus undoubtedly _MSC_FULL_VER== 1402542201 in C
>> code so I could assume everyone keeps installs their updates and use that
>> value.
>>
>> But what does this translate to in CMake code (MSVC_VERSION)? Probably not
>> just 1903 I presume?
>>
>> Thanks,
>> René
>
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