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Clarify when cargo detects changes #11092

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Merged
merged 2 commits into from
Sep 15, 2022
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Clarify when cargo detects changes #11092

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Clarify when cargo detects changes
TheButlah Sep 14, 2022
53a1064
Update build-scripts.md
TheButlah Sep 14, 2022
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6 changes: 3 additions & 3 deletions src/doc/src/reference/build-scripts.md
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Expand Up @@ -323,9 +323,9 @@ cross-compiling, so keep that in consideration of the impact on compile time.

When rebuilding a package, Cargo does not necessarily know if the build script
needs to be run again. By default, it takes a conservative approach of always
re-running the build script if any file within the package is changed (or the
list of files controlled by the [`exclude` and `include` fields]). For most
cases, this is not a good choice, so it is recommended that every build script
re-running the build script if *any* file within the package directory is changed
(or the list of files controlled by the [`exclude` and `include` fields]). For
most cases, this is not a good choice, so it is recommended that every build script
emit at least one of the `rerun-if` instructions (described below). If these
are emitted, then Cargo will only re-run the script if the given value has
changed. If Cargo is re-running the build scripts of your own crate or a
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