From e395cbb43d246abb18f9df45cd32c9fbea686076 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@qt.io>
Date: Thu, 19 Nov 2020 16:31:31 +0100
Subject: [PATCH] CMake: Fix build of plugins/styles/mac using PCH

If a target inherits precompile headers from a different target
that has more languages enabled (CXX, OBJCXX), the target will
depend on PCH artifacts for a language that is not actually
present.

Ammends d9d137c8f39b8aa77b28b12fcb6f1642ca650291

Fixes: QTBUG-88609
Pick-to: 6.0.0 6.0
Change-Id: I9735317e634b62732df0fce84fe7cf229cfdea1b
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
---
 src/plugins/styles/mac/CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/plugins/styles/mac/CMakeLists.txt b/src/plugins/styles/mac/CMakeLists.txt
index 4c4e488d91..ea0c7aee04 100644
--- a/src/plugins/styles/mac/CMakeLists.txt
+++ b/src/plugins/styles/mac/CMakeLists.txt
@@ -21,3 +21,10 @@ qt_internal_add_plugin(QMacStylePlugin
 
 #### Keys ignored in scope 1:.:.:mac.pro:<TRUE>:
 # DISTFILES = "macstyle.json"
+
+# special case begin
+set_target_properties(QMacStylePlugin
+    PROPERTIES
+        DISABLE_PRECOMPILE_HEADERS ON
+)
+# special case end