The necessary fixes to use the proper libc stubs instead of the syscall(2) interface have already made their way to gron's dependencies, but gron is not requiring new enough versions yet. Bumping the color module to its latest version (1.15.0) resolves the issue.
I currently see this running gron's master branch on a patched OpenBSD without syscall(2):
The necessary fixes to use the proper libc stubs instead of the syscall(2) interface have already made their way to gron's dependencies, but gron is not requiring new enough versions yet. Bumping the
color
module to its latest version (1.15.0) resolves the issue.