From 216ee2860f3996eb09ade9463b05640d14fd3234 Mon Sep 17 00:00:00 2001
From: Jiahao XU <30436523+NobodyXu@users.noreply.github.com>
Date: Sun, 27 Jul 2025 15:42:13 +1000
Subject: [PATCH] Add doc for using sccache/ccache etc

---
 src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index d4c2fe381..5dc4084c0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -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