summaryrefslogtreecommitdiff
path: root/COPYING
diff options
context:
space:
mode:
Diffstat (limited to 'COPYING')
-rw-r--r--COPYING21
1 files changed, 18 insertions, 3 deletions
diff --git a/COPYING b/COPYING
index 145e62966..7019cd694 100644
--- a/COPYING
+++ b/COPYING
@@ -1,6 +1,6 @@
Cairo is free software.
-Every source file in the implementation of cairo is available to be
+Every source file in the implementation[*] of cairo is available to be
redistributed and/or modified under the terms of either the GNU Lesser
General Public License (LGPL) version 2.1 or the Mozilla Public
License (MPL) version 1.1. Some files are available under more
@@ -13,5 +13,20 @@ conditions of either license:
COPYING-LGPL-2.1
COPYING-MPL-1.1
-Please see each file in the implementation for Copyright and licensing
-information.
+Please see each file in the implementation for copyright and licensing
+information, (in the opening comment of each file).
+
+[*] The implementation of cairo is contained entirely within the "src"
+and "pixman" directories of the cairo source distribution. There are
+other components of the cairo source distribution (such as the "test"
+and "perf") that are auxiliary to the library itself. None of the
+source code in these directories contributes to a build of the cairo
+library itself, (libcairo.so or cairo.dll or similar).
+
+These auxilary components are also free software, but may be under
+different license terms than cairo itself. For example, most of the
+test cases in the perf and test directories are made available under
+an MIT license to simplify any use of this code for reference purposes
+in using cairo itself. Other files might be available under the GNU
+General Public License (GPL), for example. Again, please see the
+opening comment of each file for copyright and licensing information.