From 9e6456a49d52197ab75ed13b3be8ca711862f261 Mon Sep 17 00:00:00 2001
From: Alexandru Croitor <alexandru.croitor@qt.io>
Date: Wed, 13 Nov 2019 14:46:10 +0100
Subject: [PATCH] Fix not to add warnings_are_errors property to INTERFACE
 targets

Amends f00068561287e64c8c664ee1af3feff08b22b669

Change-Id: I3b61b64bb9c755de38f4a5ffcb07b39b38bd4fd7
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot
---
 cmake/QtBuild.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmake/QtBuild.cmake b/cmake/QtBuild.cmake
index 23bdaad1298..9b891aac5de 100644
--- a/cmake/QtBuild.cmake
+++ b/cmake/QtBuild.cmake
@@ -1304,6 +1304,10 @@ function(qt_internal_set_no_exceptions_flags target)
 endfunction()
 
 function(qt_skip_warnings_are_errors target)
+    get_target_property(target_type "${target}" TYPE)
+    if(target_type STREQUAL "INTERFACE_LIBRARY")
+        return()
+    endif()
     set_target_properties("${target}" PROPERTIES QT_SKIP_WARNINGS_ARE_ERRORS ON)
 endfunction()