docs: Mention default cache locations for Windows and macOS

diff --git a/doc/MANUAL.adoc b/doc/MANUAL.adoc
index 05bb97d78609d073e7a730d7fcc7d47470f37475..601e6c6e29727adba5e7d1e4ad19c1b578fa8297 100644 (file)
--- a/doc/MANUAL.adoc
+++ b/doc/MANUAL.adoc
@@ -417,8 +417,9 @@ project2 will be a different absolute path.
 
     This option specifies where ccache will keep its cached compiler outputs.
     The default is `$XDG_CACHE_HOME/ccache` if `XDG_CACHE_HOME` is set,
-    otherwise `$HOME/.cache/ccache`. Exception: If the legacy directory
-    `$HOME/.ccache` exists then that directory is the default.
+    otherwise `%APPDATA%/ccache` (Windows), `$HOME/Library/Caches/ccache`
+    (macOS) or `$HOME/.config/ccache` (other systems). Exception: If the legacy
+    directory `$HOME/.ccache` exists then that directory is the default.
 +
 See also _<<Location of the primary configuration file>>_.
 +