OpenBSD arm64 support

[ikmckenz]

I'd love an arm64 version for OpenBSD, looks like there is an arm64 version for FreeBSD so hopefully the effort is minimal?

[evanw]

Can you verify that esbuild builds and runs on that configuration? For example: installing Go, downloading this repo, and running go test ./internal/... to verify that basic tests pass?

[ikmckenz]

Looks good to me! It builds and the tests seem to pass.
Full output of the Go tests:

openbsd-dev$ go test ./internal/...
?   	github.com/evanw/esbuild/internal/api_helpers	[no test files]
?   	github.com/evanw/esbuild/internal/ast	[no test files]
?   	github.com/evanw/esbuild/internal/bundler	[no test files]
?   	github.com/evanw/esbuild/internal/cache	[no test files]
?   	github.com/evanw/esbuild/internal/cli_helpers	[no test files]
?   	github.com/evanw/esbuild/internal/config	[no test files]
?   	github.com/evanw/esbuild/internal/css_ast	[no test files]
ok  	github.com/evanw/esbuild/internal/bundler_tests	11.750s
ok  	github.com/evanw/esbuild/internal/compat	0.075s
ok  	github.com/evanw/esbuild/internal/css_lexer	0.080s
ok  	github.com/evanw/esbuild/internal/css_parser	0.638s
ok  	github.com/evanw/esbuild/internal/css_printer	0.156s
?   	github.com/evanw/esbuild/internal/graph	[no test files]
ok  	github.com/evanw/esbuild/internal/fs	0.088s
ok  	github.com/evanw/esbuild/internal/helpers	0.288s
ok  	github.com/evanw/esbuild/internal/js_ast	0.080s
ok  	github.com/evanw/esbuild/internal/js_lexer	0.201s
?   	github.com/evanw/esbuild/internal/linker	[no test files]
?   	github.com/evanw/esbuild/internal/renamer	[no test files]
ok  	github.com/evanw/esbuild/internal/js_parser	6.315s
ok  	github.com/evanw/esbuild/internal/js_printer	0.769s
ok  	github.com/evanw/esbuild/internal/logger	0.075s
?   	github.com/evanw/esbuild/internal/runtime	[no test files]
?   	github.com/evanw/esbuild/internal/sourcemap	[no test files]
?   	github.com/evanw/esbuild/internal/test	[no test files]
?   	github.com/evanw/esbuild/internal/xxhash	[no test files]
ok  	github.com/evanw/esbuild/internal/resolver	0.072s

And this is on OpenBSD on an Arm MacBook:

openbsd-dev$ uname -a
OpenBSD openbsd-dev.my.domain 7.4 GENERIC.MP#2273 arm64

[evanw]

That's great, thanks!

[ikmckenz]

Currently testing the cross build in this branch: https://github.com/ikmckenz/esbuild/tree/openbsd-arm64, but ran into a weird issue with Go. I think there may be an issue with go cross building to OpenBSD arm64, as even hello world fails to run correctly. Issue filed with Go here: golang/go#66040

[ikmckenz]

Issue was the Go cross compiler not working correctly for OpenBSD on the latest (M2+) apple silicon chips, but when tested against an M1 it was always working without issue. The M2+ issue has also been resolved upstream in go. To that end I've opened a pull request for my branch here: #3674

[ikmckenz]

Hey @evanw , is there anything else I can do to support this?

[ikmckenz]

Thank you! :)