Merge branch '3.3-maint'

* 3.3-maint:
  Prepare for v3.3.5
  doc: Tweak automatic cleanup description

diff --cc MANUAL.txt
Simple merge

diff --cc NEWS.txt
index a339ebb2d7e5c4110f94d1042ef0a53c3e44873f,96bdd04e5d2a66de96ba12a019e8c7bb085351af..6678f3312db8ef4f3bc6454b460586564b93593f
--- 1/NEWS.txt
--- 2/NEWS.txt
+++ b/NEWS.txt
@@@ -1,28 -1,9 +1,28 @@@
  ccache news
  ===========
  
 +ccache 3.4
 +----------
 +Unreleased
 +
 +New features and improvements
 +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 +
 +- The compiler option form `--sysroot arg` is now handled like the documented
 +  `--sysroot=arg` form.
 +
 +- Added support for caching `.su` files generated by GCC flag `-fstack-usage`.
 +
 +- Configuration errors are now treated as warnings instead of fatal errors.
 +
 +- ccache should now work with distcc's ``pump'' wrapper.
 +
 +- The optional unifier is no longer disabled when the direct mode is enabled.
 +
 +
  ccache 3.3.5
  ------------
- Not yet released
+ Release date: 2018-01-13
  
  
  New features and improvements

diff --cc ccache.c
Simple merge