diff --git a/COPYRIGHT b/COPYRIGHT
new file mode 100644
index 0000000..5ec5e0b
--- /dev/null
+++ b/COPYRIGHT
@@ -0,0 +1,16 @@
+Copyright Notes
+===============
+
+The musl-cross-make build tools and documentation are licensed under
+the MIT/Expat license as found in the `LICENSE` file.
+
+Note that this license does not cover the patches (`patches/`) or
+resulting binary artifacts.
+
+Each patch (`patches/`) is distributed under the terms of the license
+of the upstream project to which it is applied.
+
+Similarly, any resulting binary artifacts produced using this build
+tooling retain the original licensing from the upstream projects.  The
+authors of musl-cross-make do not make any additional copyright claims
+to these artifacts.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..793e474
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2015-2020 Rich Felker, et al.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index 45ff071..2c346df 100644
--- a/README.md
+++ b/README.md
@@ -145,3 +145,26 @@ build systems, if desired.
 Some functionality (SH/FDPIC, and support for J2 specific features) is
 presently only available with gcc 5.2.0 and later, and binutils 2.25.1
 and later.
+
+License
+-------
+
+The musl-cross-make build tools and documentation are licensed under
+the MIT/Expat license as found in the `LICENSE` file.
+
+Note that this license does not cover the patches (`patches/`) or
+resulting binary artifacts.
+
+Each patch (`patches/`) is distributed under the terms of the license
+of the upstream project to which it is applied.
+
+Similarly, any resulting binary artifacts produced using this build
+tooling retain the original licensing from the upstream projects.  The
+authors of musl-cross-make do not make any additional copyright claims
+to these artifacts.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution submitted for
+inclusion in musl-cross-make by you shall be licensed as above without
+any additional terms or conditions.