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Clarify target-platform vs exec-platform behavior #9
Description
The ruleset has the beginnings of toolchain integration, but production language rulesets need a clear model for host tools, execution platform, and target platform, especially for cross-compilation.
Current code:
zig/extensions.bzlzig/toolchain.bzlzig/rules.bzl
Tasks:
- Document the intended meaning of the Zig toolchain in Bazel terms.
- Verify toolchain selection works correctly for exec and target platforms.
- Design for cross-compilation via
--platforms. - Add tests covering at least one cross-platform build scenario.
Acceptance criteria:
- Cross-platform behavior is documented.
- Toolchain selection is validated by tests.
- Users can intentionally cross-compile with documented examples.
Parent issue: #2
Activity
darthfork commentedon May 7, 2026
Leaving this open, but it should probably be re-scoped. PR #22 documented the current exec-platform behavior, but true target-platform-driven cross-compilation via --platforms is still not implemented. Suggested next step: narrow this issue to cross-compilation design + tests instead of general documentation.