From 119c1c55fd74302e7b567d8695310c5a67840414 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@fysik.su.se>
Date: Mon, 1 Feb 2021 13:36:34 +0100
Subject: linuxptp: fix license

---
 pkgs/os-specific/linux/linuxptp/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/linuxptp/default.nix b/pkgs/os-specific/linux/linuxptp/default.nix
index c9de5f874a3a..4f58c9f3f2ad 100644
--- a/pkgs/os-specific/linux/linuxptp/default.nix
+++ b/pkgs/os-specific/linux/linuxptp/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     description = "Implementation of the Precision Time Protocol (PTP) according to IEEE standard 1588 for Linux";
     homepage = "http://linuxptp.sourceforge.net/";
     maintainers = [ maintainers.markuskowa ];
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
     platforms = platforms.linux;
   };
 }
-- 
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