dolfin team mailing list archive

[Johannes Ring <johannr@xxxxxxxxx>]

On Thu, Oct 6, 2011 at 1:40 PM, Andre Massing <massing@xxxxxxxxx> wrote:
> On 10/06/2011 09:22 AM, Johannes Ring wrote:
>> On Thu, Oct 6, 2011 at 3:37 AM, Andre Massing <massing@xxxxxxxxx>
>> wrote:
>>> I just branched dolfin trunk and to my surprise I ran into a
>>> problem during cmake configuration:
>>>
>>> -- Checking for package 'SCOTCH-PT' -- Performing test
>>> SCOTCH_TEST_RUNS -- Performing test SCOTCH_TEST_RUNS - Failed --
>>> Performing test SCOTCH_ZLIB_TEST_RUNS -- Performing test
>>> SCOTCH_ZLIB_TEST_RUNS - Failed -- SCOTCH could not be found. Be
>>> sure to set SCOTCH_DIR. (missing: SCOTCH_TEST_RUNS)
>>>
>>> Could somebody remind me on the right option or where to look in
>>> order to make cmake more verbose and to get exactly the test
>>> (with compile/link options etc.) which failed? That would be
>>> great (and highly appreciated) Google was not really that helpful
>>> ...
>>
>> Try adding -DSCOTCH_DEBUG:BOOL=ON when running cmake. Also look in
>> CMakeFiles/CMakeError.log in the build directory.
>
> Thanks! So useful to have a bit more output :) It turned out that I
> picked up an openmpi version which was not compiled with
> mpi-threads-enable :(
>
> But in my case no CMakeFiles/CMakeError.log was generated... It is
> because SCOTCH is not strictly required in DOLFIN?

No. I guess it is because we use CMake's try_run command instead of
check_cxx_source_runs in FindScotchPT.cmake. It seems that try_run
doesn't add anything to CMakeError.log when it fails, but I think that
turning on SCOTCH_DEBUG should give the information that is needed.

Johannes