# How to compile gromacs to use AMD Radeon GPU in new MacPro when OpenCL is not supported anymore?

**URL:** <https://gromacs.bioexcel.eu/t/how-to-compile-gromacs-to-use-amd-radeon-gpu-in-new-macpro-when-opencl-is-not-supported-anymore/668>\
**Category:** User discussions\
**Created:** [August 14, 2020, 6:09pm UTC](https://gromacs.bioexcel.eu/t/how-to-compile-gromacs-to-use-amd-radeon-gpu-in-new-macpro-when-opencl-is-not-supported-anymore/668 "2020-08-14T18:09:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![alfredo](https://avatars.discourse-cdn.com/v4/letter/a/e495f1/32.png) [@alfredo](https://gromacs.bioexcel.eu/u/alfredo)\
**Post date:** [August 14, 2020, 6:09pm UTC](https://gromacs.bioexcel.eu/t/how-to-compile-gromacs-to-use-amd-radeon-gpu-in-new-macpro-when-opencl-is-not-supported-anymore/668/1 "2020-08-14T18:09:19Z")

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GROMACS version: 2020.3  
GROMACS modification: No  
Hi,  
I got a new MacPro running Catalina. These new OSX systems don’t support OpenCL anymore so I am not sure how to do a successful compilation of gromacs to use its AMD Radeon GPU. Is that still possible?  
Thanks,  
Alfredo