>
> Perhaps a newer cmake version will give an error.
>
Just tested with 3.11 -- sadly not. But the suggested fix does work.
On Thu, May 3, 2018 at 10:39 AM, Isaiah Norton <isaiah.nor...@gmail.com>
wrote:
> PARENT_SCOPE and CACHE can't be used in the same call, presumably because
> cache is global. So cmake doesn't recognize those arguments, and instead
> sets the variable PETSC_VERSION to a list containing all the following
> arguments except PARENT_SCOPE (which does still apply). Perhaps a newer
> cmake version will give an error.
> Try:
>
> set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETS
> C_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}" CACHE INTERNAL "PETSc
> version")
>
> (possibly also with `FORCE`, though it probably doesn't make sense for a
> user to ever set that manually)
>
> On Thu, May 3, 2018 at 3:36 AM, Florian Lindner <mailingli...@xgm.de>
> wrote:
>
>> Hello,
>>
>> I have a third party FindPETSc.cmake module:
>>
>> https://github.com/jedbrown/cmake-modules/blob/master/FindPETSc.cmake
>>
>> The problem I have, is that variable PETSC_VERSION is not set when cmake
>> is run for a second time
>>
>> https://github.com/jedbrown/cmake-modules/issues/28
>>
>> What is best way to deal with that?
>>
>> Can an entire function be cached, e.g. petsc_get_version or is adding
>> CACHE to the set calls of PETSC_VERSION the best way?
>>
>> Adding CACHE INTERNAL gives me error messages:
>>
>> set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETS
>> C_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}" CACHE INTERNAL "PETSc
>> version" PARENT_SCOPE)
>>
>>
>> CMake Error at tools/cmake-modules/FindPETSc.cmake:314 (if):
>> if given arguments:
>>
>> "3.8.4" "CACHE" "INTERNAL" "PETSc version" "VERSION_LESS" "3.1"
>>
>> Unknown arguments specified
>>
>>
>>
>> Thanks!
>> Florian
>> --
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