From 5e72151ca537c84afa03b49e614667c51e40ad54 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 17 Jul 2014 12:06:20 +0200
Subject: [PATCH] bug #842: warn user about MPFR++ being under the GPL

---
 unsupported/Eigen/MPRealSupport | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unsupported/Eigen/MPRealSupport b/unsupported/Eigen/MPRealSupport
index de4f11934..35d77e5bd 100644
--- a/unsupported/Eigen/MPRealSupport
+++ b/unsupported/Eigen/MPRealSupport
@@ -27,6 +27,8 @@ namespace Eigen {
   * via the <a href="http://www.holoborodko.com/pavel/mpfr">MPFR C++</a>
   * library which itself is built upon <a href="http://www.mpfr.org/">MPFR</a>/<a href="http://gmplib.org/">GMP</a>.
   *
+  * \warning MPFR C++ is licensed under the GPL.
+  *
   * You can find a copy of MPFR C++ that is known to be compatible in the unsupported/test/mpreal folder.
   *
   * Here is an example: