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Add doc for using sccache/ccache etc #1502

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Aug 1, 2025
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4 changes: 4 additions & 0 deletions src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,10 @@
//! trailing spaces. This compiler must understand the `-c` flag. For
//! certain `TARGET`s, it also is assumed to know about other flags (most
//! common is `-fPIC`).
//! ccache, distcc, sccache, icecc, cachepot and buildcache are supported,
//! for sccache, simply set `CC` to `sccache cc`.
//! For other custom `CC` wrapper, just set `CC_KNOWN_WRAPPER_CUSTOM`
//! to the custom wrapper used in `CC`.
//! * `AR` - the `ar` (archiver) executable to use to build the static library.
//! * `CRATE_CC_NO_DEFAULTS` - the default compiler flags may cause conflicts in
//! some cross compiling scenarios. Setting this variable
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