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The fiddle gem is broken on truffleruby and jruby #145
Description
Given https://bugs.ruby-lang.org/issues/20309 fiddle will become a bundled gem in Ruby 3.5+.
As a result people will add fiddle to their Gemfile where they previously wouldn't (and so there was no issue).
Unfortunately this leads to failure for example on ffi/ffi#1119:
- https://github.com/ffi/ffi/actions/runs/10881406447/job/30190278321?pr=1119 JRuby fails when trying to build the C extension
- TruffleRuby segfaults, probably because the fiddle C extension does something unexpected, and it's completely untested on TruffleRuby. It seems better to use the TruffleRuby Fiddle backend anyway for performance, as it avoids basically going twice through libffi.
I think the best solution for now is to just use fiddle from stdlib on non-CRuby. That's properly tested and working.
IOW, to not build or use the C extension on non-CRuby, similar to how it was done in ruby/stringio#71 or ruby/strscan#35
Activity
[-]The gem is broken on truffleruby and jruby[/-][+]The fiddle gem is broken on truffleruby and jruby[/+]Import TruffleRuby implementation
Use JRuby implementation for TruffleRuby
Use JRuby implementation for TruffleRuby
Import TruffleRuby implementation
Use JRuby implementation for TruffleRuby (#149)
eregon commentedon Oct 10, 2024
@kou Thank you for your help fixing this.
Could you make a fiddle release?
Then there should be no problem when gems/Gemfile's depend on
fiddlefor JRuby & TruffleRuby.kou commentedon Oct 11, 2024
Done.