From 2c5f30b4721d18d2ff39595021c3ee6ec2341a8e Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 7 Jan 2021 09:52:44 -0500
Subject: cmake-gui: Fix macOS styling for binaries distributed with Qt 5.10+

According to https://bugreports.qt.io/browse/QTBUG-59428, Qt 5.10 and
above moved macOS style handling into a separate `qmacstyle` plugin.
Install the plugin in our `CMake.app` package on macOS.

Issue: #21606
---
 Source/QtDialog/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/QtDialog/CMakeLists.txt b/Source/QtDialog/CMakeLists.txt
index 452a303..f7d9b77 100644
--- a/Source/QtDialog/CMakeLists.txt
+++ b/Source/QtDialog/CMakeLists.txt
@@ -57,6 +57,9 @@ if(CMake_INSTALL_DEPENDENCIES AND (APPLE OR WIN32))
   endmacro()
   if(APPLE)
     install_qt5_plugin("Qt5::QCocoaIntegrationPlugin" QT_PLUGINS)
+    if(TARGET Qt5::QMacStylePlugin)
+      install_qt5_plugin("Qt5::QMacStylePlugin" QT_PLUGINS)
+    endif()
     file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/qt.conf"
       "[Paths]\nPlugins = ${_qt_plugin_dir}\n")
     install(FILES "${CMAKE_CURRENT_BINARY_DIR}/qt.conf"
-- 
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