Yukihiro "Matz" Matsumoto e7f5387f5d gem.rb: detect external HAL by hal-<short>-* naming ...

67f137e201 introduced spec.hal_pattern on the target gem to
declare its expected HAL provider names.  But the decision to
override is naturally an opt-in choice belonging to the external
HAL gem (or build_config), not the target.  Drop hal_pattern and
hardcode the naming rule in resolve_external_hal!: a gem named
`hal-<short>-<conf>` overrides the gem whose last `-`-separated
segment is <short>.  No spec attribute on the target gem; no flag
on add_dependency; the convention does all the work.

The pre-be6413f0d8 convention was `hal-<platform>-<gem>` (e.g.,
hal-posix-task) for platform sort across gems.  Now that the
common platforms live under ports/, sorting by which target gem
a HAL is for is more useful, so the order is reversed:
`hal-<gem>-<conf>` (e.g., hal-task-glib).

ref #6825

Co-authored-by: Claude <noreply@anthropic.com>

2026-05-17 18:38:38 +09:00

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mruby

gem.rb: detect external HAL by hal-<short>-* naming

2026-05-17 18:38:38 +09:00