book: Set driver link-arg in build.rs
#1502
Merged
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config.toml
is a project-level configuration. Cargo will only read the configuration from the current directory and up, and not in:--manifest-path
is usedUse
build.rs
instead, which will be executed before the package is built and only apply the flags for the specific package. This allows mixing drivers and applications in a workspace while still invoking Cargo from the workspace root.Ref: https://doc.rust-lang.org/cargo/reference/config.html#hierarchical-structure
Ref: https://doc.rust-lang.org/cargo/reference/build-scripts.html
Checklist