$NetBSD$

* use pkgsrc c++gsl

--- src/CMakeLists.txt.orig	2020-02-05 05:36:17.000000000 +0000
+++ src/CMakeLists.txt
@@ -274,7 +274,7 @@ PUBLIC
 	Regex
 	Settings
 	Interpreter
-	GSL
+	Microsoft.GSL::GSL
 	Qt5::Widgets
 	Qt5::Network
 	Qt5::Xml