Read the environment variable and trigger a rebuild whenever the environment variable changes.
Read the environment variable and trigger a rebuild whenever the environment variable changes.
Call from build.rs
to trigger a rebuild whenever any source file of the given package
or any of its dependencies changes, recursively.
Call from build.rs
to trigger a rebuild whenever the file at path
changes.
Call from build.rs
to trigger a rebuild whenever any of the files identified by the given
globbed path
change.
Call from build.rs
to trigger a rebuild whenever the file at path
changes, or it doesn’t
exist.
Track any files that are part of the given crate, identified by the manifest path.
Writes content
to a file iff it differs from what’s already there.