4 files changed, 21 insertions, 10 deletions
diff --git a/src/plugins/cpptools/builtinindexingsupport.cpp b/src/plugins/cpptools/builtinindexingsupport.cpp
index eadcda99bd..d51ba79e1a 100644
--- a/src/plugins/cpptools/builtinindexingsupport.cpp
+++ b/src/plugins/cpptools/builtinindexingsupport.cpp
@@ -357,7 +357,6 @@ QFuture<void> BuiltinIndexingSupport::refreshSourceFiles(
     params.indexerFileSizeLimitInMb = indexerFileSizeLimitInMb();
     params.headerPaths = mgr->headerPaths();
     params.workingCopy = mgr->workingCopy();
-    params.workingCopy.insert(mgr->configurationFileName(), mgr->definedMacros());
     params.sourceFiles = sourceFiles;
 
     QFuture<void> result = Utils::runAsync(mgr->sharedThreadPool(), parse, superFuture, params);
diff --git a/src/plugins/cpptools/cppmodelmanager.cpp b/src/plugins/cpptools/cppmodelmanager.cpp
index 4cb5ce107e..d8a197b45a 100644
--- a/src/plugins/cpptools/cppmodelmanager.cpp
+++ b/src/plugins/cpptools/cppmodelmanager.cpp
@@ -594,6 +594,11 @@ WorkingCopy CppModelManager::buildWorkingCopyList()
         workingCopy.insert(es->fileName(), es->contents(), es->revision());
     }
 
+    // Add the project configuration file
+    QByteArray conf = codeModelConfiguration();
+    conf += definedMacros();
+    workingCopy.insert(configurationFileName(), conf);
+
     return workingCopy;
 }
 
@@ -871,6 +876,12 @@ QFuture<void> CppModelManager::updateProjectInfo(QFutureInterface<void> &futureI
                     removeProjectInfoFilesAndIncludesFromSnapshot(oldProjectInfo);
                     filesToReindex.unite(newSourceFiles);
 
+                    // The "configuration file" includes all defines and therefore should be updated
+                    if (comparer.definesChanged()) {
+                        QMutexLocker snapshotLocker(&d->m_snapshotMutex);
+                        d->m_snapshot.remove(configurationFileName());
+                    }
+
                 // Otherwise check for added and modified files
                 } else {
                     const QSet<QString> addedFiles = comparer.addedFiles();
@@ -999,9 +1010,6 @@ bool CppModelManager::isClangCodeModelActive() const
 
 void CppModelManager::emitDocumentUpdated(Document::Ptr doc)
 {
-    if (Client::isInjectedFile(doc->fileName()))
-        return;
-
     if (replaceDocument(doc))
         emit documentUpdated(doc);
 }
diff --git a/src/plugins/cpptools/cppmodelmanager_test.cpp b/src/plugins/cpptools/cppmodelmanager_test.cpp
index 79ce311dbc..35f9931f21 100644
--- a/src/plugins/cpptools/cppmodelmanager_test.cpp
+++ b/src/plugins/cpptools/cppmodelmanager_test.cpp
@@ -618,7 +618,7 @@ void CppToolsPlugin::test_modelmanager_extraeditorsupport_uiFiles()
     CppModelManager *mm = CppModelManager::instance();
     WorkingCopy workingCopy = mm->workingCopy();
 
-    QCOMPARE(workingCopy.size(), 1);
+    QCOMPARE(workingCopy.size(), 2); // mm->configurationFileName() and "ui_*.h"
 
     QStringList fileNamesInWorkinCopy;
     QHashIterator<Utils::FileName, QPair<QByteArray, unsigned> > it = workingCopy.iterator();
@@ -628,7 +628,8 @@ void CppToolsPlugin::test_modelmanager_extraeditorsupport_uiFiles()
     }
     fileNamesInWorkinCopy.sort();
     const QString expectedUiHeaderFileName = _("ui_mainwindow.h");
-    QCOMPARE(fileNamesInWorkinCopy.at(0), expectedUiHeaderFileName);
+    QCOMPARE(fileNamesInWorkinCopy.at(0), mm->configurationFileName());
+    QCOMPARE(fileNamesInWorkinCopy.at(1), expectedUiHeaderFileName);
 
     // Check CppSourceProcessor / includes.
     // The CppSourceProcessor is expected to find the ui_* file in the working copy.
@@ -777,7 +778,7 @@ void CppToolsPlugin::test_modelmanager_defines_per_project()
     pi.appendProjectPart(part2);
 
     helper.updateProjectInfo(pi);
-    QCOMPARE(mm->snapshot().size(), 3);
+    QCOMPARE(mm->snapshot().size(), 4);
 
     // Open a file in the editor
     QCOMPARE(Core::DocumentModel::openedDocuments().size(), 0);
@@ -845,7 +846,7 @@ void CppToolsPlugin::test_modelmanager_precompiled_headers()
     pi.appendProjectPart(part2);
 
     helper.updateProjectInfo(pi);
-    QCOMPARE(mm->snapshot().size(), 3);
+    QCOMPARE(mm->snapshot().size(), 4);
 
     // Open a file in the editor
     QCOMPARE(Core::DocumentModel::openedDocuments().size(), 0);
@@ -925,7 +926,7 @@ void CppToolsPlugin::test_modelmanager_defines_per_editor()
 
     helper.updateProjectInfo(pi);
 
-    QCOMPARE(mm->snapshot().size(), 3);
+    QCOMPARE(mm->snapshot().size(), 4);
 
     // Open a file in the editor
     QCOMPARE(Core::DocumentModel::openedDocuments().size(), 0);
diff --git a/src/plugins/cpptools/cpptoolstestcase.cpp b/src/plugins/cpptools/cpptoolstestcase.cpp
index eb7235b7f7..43ed514efe 100644
--- a/src/plugins/cpptools/cpptoolstestcase.cpp
+++ b/src/plugins/cpptools/cpptoolstestcase.cpp
@@ -423,8 +423,11 @@ bool VerifyCleanCppModelManager::isClean(bool testOnlyForCleanedProjects)
     RETURN_FALSE_IF_NOT(mm->headerPaths().isEmpty());
     RETURN_FALSE_IF_NOT(mm->definedMacros().isEmpty());
     RETURN_FALSE_IF_NOT(mm->projectFiles().isEmpty());
-    if (!testOnlyForCleanedProjects)
+    if (!testOnlyForCleanedProjects) {
         RETURN_FALSE_IF_NOT(mm->snapshot().isEmpty());
+        RETURN_FALSE_IF_NOT(mm->workingCopy().size() == 1);
+        RETURN_FALSE_IF_NOT(mm->workingCopy().contains(mm->configurationFileName()));
+    }
     return true;
 }