Dear Kartik,
There's both a section in the main
<https://www.dealii.org/developer/users/cmake.html#compiler> and
user-project
<https://www.dealii.org/developer/users/cmakelists.html#cmakeadvanced.setup_target>
documentation on CMake about how to configure CMake with extra compile and
linker flags. Take a look there, and perhaps the information contained
therein will help clear things up. I think that you need to extend `
DEAL_II_CXX_FLAGS` or `DEAL_II_LINKER_FLAGS` with this extra flag after
DEAL_II_INITIALIZE_CACHED_VARIABLES but before calling DEAL_II_INVOKE_AUTOPILOT
or DEAL_II_SETUP_TARGET.
I hope that this helps.
Regards,
Jean-Paul
On Sunday, July 16, 2017 at 7:28:27 PM UTC+2, Kartik Jujare wrote:
>
> Hello,
>
> Would be grateful if anyone could correct or direct me to the right
> solution.
>
> As a test I have a following for loop is a step file
>
> #pragma omp parallel
> {
> #pragma omp for //private(k) reduction(+:integral)
> for (k = 0; k < 4; k++)
> {
> sleep(1);
> }
> }
>
>
> Now the time outputs of the this for loop and another normal one (without
> openmp) are the same. I think the problem lies in the flag that I am
> passing in the Cmakefile but cant figure out what?
>
> I have tried setting the following flags:
>
> SET (MPI_CXX_COMPILE_FLAGS "-fopenmp")
> //OR
> SET (DEAL_II_CXX_FLAGS "-fopenmp")
>
> I suppose I dont understand cmake very well. What would be an appropriate
> place to place the above line in the CMakeLists.txt
>
> Thank you and regards,
> Kartik Jujare
>
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