From 660c4ced86ecf87b2bb6ce7719e132238c1ad0ab Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@qt.io>
Date: Wed, 12 Apr 2017 17:12:59 +0200
Subject: [PATCH] QbsProjectManager: Fix collecting unreferenced build system
 files

We cannot use std::set_difference on a QSet, because those are not
sorted.

Change-Id: I6238a2bd06bcc6e5dba64572f0c3b0caaa57a7eb
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
---
 src/plugins/qbsprojectmanager/qbsnodetreebuilder.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plugins/qbsprojectmanager/qbsnodetreebuilder.cpp b/src/plugins/qbsprojectmanager/qbsnodetreebuilder.cpp
index 1f5947bd99a..db80627f68f 100644
--- a/src/plugins/qbsprojectmanager/qbsnodetreebuilder.cpp
+++ b/src/plugins/qbsprojectmanager/qbsnodetreebuilder.cpp
@@ -178,10 +178,10 @@ QStringList unreferencedBuildSystemFiles(const qbs::Project &p)
         return result;
 
     const std::set<QString> &available = p.buildSystemFiles();
-    const QSet<QString> &referenced = referencedBuildSystemFiles(p.projectData());
+    QList<QString> referenced = referencedBuildSystemFiles(p.projectData()).toList();
+    Utils::sort(referenced);
     std::set_difference(available.begin(), available.end(), referenced.begin(), referenced.end(),
                         std::back_inserter(result));
-
     return result;
 }