A new SCons checkpoint release, 2.5.1, is now available on the SCons download page: http://www.scons.org/download.php This is a minor release Here is a summary of the changes since 2.5.0: NEW FUNCTIONALITY - None DEPRECATED FUNCTIONALITY - None CHANGED/ENHANCED EXISTING FUNCTIONALITY - None FIXES - None IMPROVEMENTS - Use memoization to optimize PATH evaluation across all dependencies per node. (PR #345) This should fix some performance degredation due to changes to enable enhanced multi-language scanning added in 2.5.0 PACKAGING - Fixed missing scons-configure-cache.py. (It was accidently omitted) DOCUMENTATION - None DEVELOPMENT - None Thanks to William Deegan and Alexey Klimkin for their contributions to this release. Contributors are listed alphabetically by their last name. Copyright (c) 2001 - 2016 The SCons Foundation src/RELEASE.txt rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog