Mention that you may want to run "ccache --clean" after upgrading

diff --git a/NEWS b/NEWS
index 5ec7caae6aa48adf4ddd6e53566fa9661ed9b2d4..56a755a33495b24876556da4d538934be8ab8611 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -108,7 +108,8 @@ Upgrading notes:
     object files. (Previously, files containing cached standard error output
     were counted as well.) The existing values of the two counters will be
     erroneous at first after the upgrade, but will correct themselves
-    eventually when enough cleanups have been made.
+    eventually when enough cleanups have been made, or when you run "ccache
+    --cleanup".
 
   - The "max file" and "max cache size" settings now specify thresholds for
     object files count and size.