From ef50967793be7256db7e00232b640968b4dcfd2b Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Wed, 5 May 2021 22:17:24 -0400
Subject: [PATCH] Limit X11 linkage to Linux.

---
 OSBindings/Qt/ClockSignal.pro | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/OSBindings/Qt/ClockSignal.pro b/OSBindings/Qt/ClockSignal.pro
index b483d10fa..c31d162d6 100644
--- a/OSBindings/Qt/ClockSignal.pro
+++ b/OSBindings/Qt/ClockSignal.pro
@@ -13,8 +13,10 @@ INCLUDEPATH += $$[QT_INSTALL_PREFIX]/src/3rdparty/zlib
 LIBS += -lz
 
 # If targetting X11, link against that.
-QT += x11extras
-LIBS += -lX11
+linux {
+	QT += x11extras
+	LIBS += -lX11
+}
 
 # Add flags (i) to identify that this is a Qt build; and
 # (ii) to disable asserts in release builds.