Add LICENSE and COPYRIGHT files

1 files changed, 11 insertions, 1 deletions

diff --git a/COPYRIGHT b/COPYRIGHT
index 6613d6c..eec7815 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1 +1,11 @@
-Copyright (c) 2014-2020 Code Synthesis Ltd.
+Copyright (c) 2014-2020 Code Synthesis Ltd and the build2 contributors.
+
+For the full list of contributors, see the revision history in version control
+system.
+
+The copyright for the code is held by the contributors of the code. The code
+is licensed under permissive open source licensing terms (see the accompanying
+LICENSE file). When you contribute code to this project, you license it under
+these terms. Before contributing please make sure these terms are acceptable
+to you (or the organization that employs you) and that you are the author of
+the code being contributed.