Build CUDA support on all Linux platforms

[leofang]

Checklist

• [ ] Used a personal fork of the feedstock to propose changes
• [ ] Bumped the build number (if the version is unchanged)
• [ ] Reset the build number to 0 (if the version changed)
• [ ] Re-rendered with the latest conda-smithy (Use the phrase code>@<space/conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• [ ] Ensured the license file is being packaged.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[leofang]

@conda-forge-admin, please rerender

[github-actions[bot]]

Hi! This is the friendly conda-forge automerge bot!

I considered the following status checks when analyzing this PR:

• linter: passed
• travis: passed
• azure: passed

Thus the PR was passing and merged! Have a great day!

[leofang]

It's funny that "which mpiexec" would segfault on ppc64le/aarch64 😂

+ which mpiexec
+ alias
+ /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot mpiexec
+ eval declare -f
++ declare -f
environment: line 1: 467202 Done                    ( alias; eval ${which_declare} )
     467204 Segmentation fault      (core dumped) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot "$@"
Tests failed for openmpi-4.1.4-h317bbcb_102.conda - moving package to /home/conda/feedstock_root/build_artifacts/broken

[github-actions[bot]]

Hi! This is the friendly conda-forge automerge bot!

Commits were made to this PR after the automerge label was added. For security reasons, I have disabled automerge by removing the automerge label. Please add the automerge label again (or ask a maintainer to do so) if you'd like to enable automerge again!