# Compilation with PaStiX using CUDA

**URL:** <https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420>\
**Category:** Uncategorized\
**Created:** [September 27, 2024, 8:00pm UTC](https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420 "2024-09-27T20:00:16Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![teofil75](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/teofil75/32/3276_2.png) [@teofil75](https://calculix.discourse.group/u/teofil75)\
**Post date:** [September 27, 2024, 8:00pm UTC](https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420/1 "2024-09-27T20:00:16Z")

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Hello everyone,  
it’s been a couple of weeks that I’ve been trying to compile CalculiX with the PaStiX solver using CUDA.  
All the dependencies were resolved successfully, but when running CMake for PaStiX, I encountered this error:

CMake Error at cmake\_modules/morse\_cmake/modules/find/LibrariesAbsolutePath.cmake:59 (message):  
**Dependency of CUDA\_LIBRARIES ‘Threads::Threads’ NOT FOUND**  
Call Stack (most recent call first):  
cmake\_modules/morse\_cmake/modules/find/FindPARSEC.cmake:211 (libraries\_absolute\_path)  
CMakeLists.txt:365 (find\_package)

Any help will be greatly appreciated.  
Alex

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**Author:** ![teofil75](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/teofil75/32/3276_2.png) [@teofil75](https://calculix.discourse.group/u/teofil75)\
**Post date:** [September 28, 2024, 9:27am UTC](https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420/2 "2024-09-28T09:27:24Z")

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I was able to compile all the dependancies, but I can not compile the:  
**libpastix\_parsec.a**  
library.  
Any help will be greatly appreciated.  
Alex

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**Author:** ![jbr](https://avatars.discourse-cdn.com/v4/letter/j/ecccb3/32.png) [@jbr](https://calculix.discourse.group/u/jbr)\
**Post date:** [September 29, 2024, 4:16pm UTC](https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420/3 "2024-09-29T16:16:41Z")

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Have you tried this?

> [@PaStiX4CalculiX: Dependency of CUDA\_LIBRARIES 'Threads::Threads' NOT FOUND](https://calculix.discourse.group/t/pastix4calculix-dependency-of-cuda-libraries-threads-threads-not-found/967/5):
>
> Update: To test, what is the reason for this error, I made a modification in the make\_pastix.sh file and set the option -DPASTIX\_WITH\_PARSEC to OFF. Even though an error that the file parsec.h cannot be found is printed, the compilation seems to run a lot farther. Is therefore something wrong with parsec? As I mentioned before, parsec actually seemed to compile just fine.

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**Author:** ![teofil75](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/teofil75/32/3276_2.png) [@teofil75](https://calculix.discourse.group/u/teofil75)\
**Post date:** [September 29, 2024, 7:31pm UTC](https://calculix.discourse.group/t/compilation-with-pastix-using-cuda/2420/4 "2024-09-29T19:31:15Z")

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But compiling PaStiX without PaRSEC will not create the libpastix\_parsec.a and that lib is require by CalculiX when you want to use the PaStiX solver. Is it right?