README: Add "Copyright and license" section.

diff --git a/README b/README
index 3032095f7118271c82fe7681c43a1a3cc07e0c47..6bc19982a52384fbc64ee0fa871c5ec8533162af 100644 (file)
--- a/README
+++ b/README
@@ -52,6 +52,19 @@ See INSTALL or the following wiki page for more (OS-specific) instructions:
  http://sigrok.org/wiki/Building
 
 
+Copyright and license
+---------------------
+
+sigrok-cli is licensed under the terms of the GNU General Public License
+(GPL), version 3 or later.
+
+While some individual source code files are licensed under the GPLv2+, and
+some files are licensed under the GPLv3+, this doesn't change the fact that
+the program as a whole is licensed under the terms of the GPLv3+.
+
+Please see the individual source files for the full list of copyright holders.
+
+
 Mailing lists
 -------------