diff --git a/src/libs/cplusplus/CppDocument.cpp b/src/libs/cplusplus/CppDocument.cpp
index 84092fc93da..7df0d2d2e52 100644
--- a/src/libs/cplusplus/CppDocument.cpp
+++ b/src/libs/cplusplus/CppDocument.cpp
@@ -341,15 +341,15 @@ QStringList Document::includedFiles() const
 {
     QStringList files;
     foreach (const Include &i, _includes)
-        files.append(i.fileName());
+        files.append(i.resolvedFileName());
     files.removeDuplicates();
     return files;
 }
 
 // This assumes to be called with a QDir::cleanPath cleaned fileName.
-void Document::addIncludeFile(const QString &fileName, unsigned line)
+void Document::addIncludeFile(const Document::Include &include)
 {
-    _includes.append(Include(fileName, line));
+    _includes.append(include);
 }
 
 void Document::appendMacro(const Macro &macro)
diff --git a/src/libs/cplusplus/CppDocument.h b/src/libs/cplusplus/CppDocument.h
index b9a58f547fc..593d604c2b3 100644
--- a/src/libs/cplusplus/CppDocument.h
+++ b/src/libs/cplusplus/CppDocument.h
@@ -33,6 +33,7 @@
 #include "Macro.h"
 
 #include <cplusplus/CPlusPlusForwardDeclarations.h>
+#include <cplusplus/PreprocessorClient.h>
 
 #include <QSharedPointer>
 #include <QDateTime>
@@ -75,9 +76,6 @@ public:
 
     QString fileName() const;
 
-    QStringList includedFiles() const;
-    void addIncludeFile(const QString &fileName, unsigned line);
-
     void appendMacro(const Macro &macro);
     void addMacroUse(const Macro &macro, unsigned offset, unsigned length,
                      unsigned beginLine,
@@ -233,22 +231,31 @@ public:
     };
 
     class Include {
-        QString _fileName;
+        QString _resolvedFileName;
+        QString _unresolvedFileName;
         unsigned _line;
+        Client::IncludeType _type;
 
     public:
-        Include(const QString &fileName, unsigned line)
-            : _fileName(fileName), _line(line)
+        Include(const QString &unresolvedFileName, const QString &resolvedFileName, unsigned line,
+                Client::IncludeType type)
+            : _resolvedFileName(resolvedFileName)
+            , _unresolvedFileName(unresolvedFileName)
+            , _line(line)
+            , _type(type)
         { }
 
-        QString fileName() const
-        { return _fileName; }
+        QString resolvedFileName() const
+        { return _resolvedFileName; }
+
+        QString unresolvedFileName() const
+        { return _unresolvedFileName; }
 
         unsigned line() const
         { return _line; }
 
-        bool resolved() const
-        { return QFileInfo(_fileName).isAbsolute(); }
+        Client::IncludeType type() const
+        { return _type; }
     };
 
     class MacroUse: public Block {
@@ -302,6 +309,9 @@ public:
         }
     };
 
+    QStringList includedFiles() const;
+    void addIncludeFile(const Include &include);
+
     QList<Include> includes() const
     { return _includes; }
 
diff --git a/src/libs/cplusplus/FastPreprocessor.cpp b/src/libs/cplusplus/FastPreprocessor.cpp
index 401b50774d4..7156b51f3d6 100644
--- a/src/libs/cplusplus/FastPreprocessor.cpp
+++ b/src/libs/cplusplus/FastPreprocessor.cpp
@@ -53,7 +53,7 @@ QByteArray FastPreprocessor::run(Document::Ptr newDoc, const QString &source)
 
         mergeEnvironment(Preprocessor::configurationFileName);
         foreach (const Document::Include &i, doc->includes())
-            mergeEnvironment(i.fileName());
+            mergeEnvironment(i.resolvedFileName());
     }
 
     const QByteArray preprocessed = _preproc.run(fileName, source);
@@ -62,13 +62,13 @@ QByteArray FastPreprocessor::run(Document::Ptr newDoc, const QString &source)
     return preprocessed;
 }
 
-void FastPreprocessor::sourceNeeded(unsigned line, const QString &fileName, IncludeType)
+void FastPreprocessor::sourceNeeded(unsigned line, const QString &fileName,
+                                    IncludeType mode)
 {
     Q_ASSERT(_currentDoc);
     // CHECKME: Is that cleanName needed?
     QString cleanName = QDir::cleanPath(fileName);
-    _currentDoc->addIncludeFile(cleanName, line);
-
+    _currentDoc->addIncludeFile(Document::Include(fileName, cleanName, line, mode));
     mergeEnvironment(fileName);
 }
 
@@ -79,7 +79,7 @@ void FastPreprocessor::mergeEnvironment(const QString &fileName)
 
         if (Document::Ptr doc = _snapshot.document(fileName)) {
             foreach (const Document::Include &i, doc->includes())
-                mergeEnvironment(i.fileName());
+                mergeEnvironment(i.resolvedFileName());
 
             _env.addMacros(doc->definedMacros());
         }
diff --git a/src/libs/cplusplus/FastPreprocessor.h b/src/libs/cplusplus/FastPreprocessor.h
index 4999aafa308..8e1a8185974 100644
--- a/src/libs/cplusplus/FastPreprocessor.h
+++ b/src/libs/cplusplus/FastPreprocessor.h
@@ -57,7 +57,7 @@ public:
     QByteArray run(Document::Ptr newDoc, const QString &source);
 
     // CPlusPlus::Client
-    virtual void sourceNeeded(unsigned line, const QString &fileName, IncludeType);
+    virtual void sourceNeeded(unsigned line, const QString &fileName, IncludeType mode);
 
     virtual void macroAdded(const Macro &);
 
diff --git a/src/libs/cplusplus/LookupContext.cpp b/src/libs/cplusplus/LookupContext.cpp
index fdcd0e286fc..3f0eb8ea29b 100644
--- a/src/libs/cplusplus/LookupContext.cpp
+++ b/src/libs/cplusplus/LookupContext.cpp
@@ -1364,7 +1364,7 @@ void CreateBindings::process(Document::Ptr doc)
             _processed.insert(globalNamespace);
 
             foreach (const Document::Include &i, doc->includes()) {
-                if (Document::Ptr incl = _snapshot.document(i.fileName()))
+                if (Document::Ptr incl = _snapshot.document(i.resolvedFileName()))
                     process(incl);
             }
 
diff --git a/src/libs/cplusplus/SnapshotSymbolVisitor.cpp b/src/libs/cplusplus/SnapshotSymbolVisitor.cpp
index 2f9a93fabb8..95996079736 100644
--- a/src/libs/cplusplus/SnapshotSymbolVisitor.cpp
+++ b/src/libs/cplusplus/SnapshotSymbolVisitor.cpp
@@ -50,7 +50,7 @@ void SnapshotSymbolVisitor::accept(Document::Ptr doc, QSet<QString> *processed)
         processed->insert(doc->fileName());
 
         foreach (const Document::Include &i, doc->includes()) {
-            if (Document::Ptr incl = _snapshot.document(i.fileName()))
+            if (Document::Ptr incl = _snapshot.document(i.resolvedFileName()))
                 accept(incl, processed);
         }
 
diff --git a/src/libs/cplusplus/TypeOfExpression.cpp b/src/libs/cplusplus/TypeOfExpression.cpp
index b62b4171903..b741eff2bdb 100644
--- a/src/libs/cplusplus/TypeOfExpression.cpp
+++ b/src/libs/cplusplus/TypeOfExpression.cpp
@@ -176,7 +176,7 @@ void TypeOfExpression::processEnvironment(Document::Ptr doc, Environment *env,
         processed->insert(doc->fileName());
 
         foreach (const Document::Include &incl, doc->includes())
-            processEnvironment(m_snapshot.document(incl.fileName()), env, processed);
+            processEnvironment(m_snapshot.document(incl.resolvedFileName()), env, processed);
 
         foreach (const Macro &macro, doc->definedMacros())
             env->bind(macro);
diff --git a/src/plugins/cppeditor/cppeditor.cpp b/src/plugins/cppeditor/cppeditor.cpp
index ae80aa425ed..69cbe494377 100644
--- a/src/plugins/cppeditor/cppeditor.cpp
+++ b/src/plugins/cppeditor/cppeditor.cpp
@@ -1398,7 +1398,8 @@ CPPEditorWidget::Link CPPEditorWidget::findMacroLink(const QByteArray &name,
         const QList<Document::Include> includes = doc->includes();
         for (int index = includes.size() - 1; index != -1; --index) {
             const Document::Include &i = includes.at(index);
-            Link link = findMacroLink(name, snapshot.document(i.fileName()), snapshot, processed);
+            Link link = findMacroLink(name, snapshot.document(i.resolvedFileName()), snapshot,
+                                      processed);
             if (link.hasValidTarget())
                 return link;
         }
@@ -1528,8 +1529,8 @@ CPPEditorWidget::Link CPPEditorWidget::findLinkAt(const QTextCursor &cursor, boo
         if (tk.is(T_STRING_LITERAL) || tk.is(T_ANGLE_STRING_LITERAL)) {
             const unsigned lineno = cursor.blockNumber() + 1;
             foreach (const Document::Include &incl, doc->includes()) {
-                if (incl.line() == lineno && incl.resolved()) {
-                    link.targetFileName = incl.fileName();
+                if (incl.line() == lineno) {
+                    link.targetFileName = incl.resolvedFileName();
                     link.linkTextStart = beginOfToken + 1;
                     link.linkTextEnd = endOfToken - 1;
                     return link;
diff --git a/src/plugins/cppeditor/cppelementevaluator.cpp b/src/plugins/cppeditor/cppelementevaluator.cpp
index 54238f45b26..34c4fd5ccb1 100644
--- a/src/plugins/cppeditor/cppelementevaluator.cpp
+++ b/src/plugins/cppeditor/cppelementevaluator.cpp
@@ -243,8 +243,8 @@ Unknown::Unknown(const QString &type) : type(type)
 // CppInclude
 
 CppInclude::CppInclude(const Document::Include &includeFile) :
-    path(QDir::toNativeSeparators(includeFile.fileName())),
-    fileName(QFileInfo(includeFile.fileName()).fileName())
+    path(QDir::toNativeSeparators(includeFile.resolvedFileName())),
+    fileName(QFileInfo(includeFile.resolvedFileName()).fileName())
 {
     helpCategory = TextEditor::HelpItem::Brief;
     helpIdCandidates = QStringList(fileName);
diff --git a/src/plugins/cppeditor/cppquickfixes.cpp b/src/plugins/cppeditor/cppquickfixes.cpp
index e817d70c5f3..1d2a38a9c39 100644
--- a/src/plugins/cppeditor/cppquickfixes.cpp
+++ b/src/plugins/cppeditor/cppquickfixes.cpp
@@ -1754,9 +1754,10 @@ public:
         if (!includes.isEmpty()) {
             QHash<QString, unsigned> includePositions;
             foreach (const Document::Include &include, includes) {
-                if (include.fileName().endsWith(QLatin1String(".moc")))
+                const QString fileName = include.unresolvedFileName();
+                if (fileName.endsWith(QLatin1String(".moc")))
                     continue;
-                includePositions.insert(include.fileName(), include.line());
+                includePositions.insert(fileName, include.line());
             }
 
             if (!includePositions.isEmpty()) {
diff --git a/src/plugins/cpptools/cppchecksymbols.cpp b/src/plugins/cpptools/cppchecksymbols.cpp
index d4cc6b7b596..2f076eead99 100644
--- a/src/plugins/cpptools/cppchecksymbols.cpp
+++ b/src/plugins/cpptools/cppchecksymbols.cpp
@@ -100,7 +100,7 @@ protected:
             processed->insert(doc->globalNamespace());
 
             foreach (const Document::Include &i, doc->includes())
-                process(_snapshot.document(i.fileName()), processed);
+                process(_snapshot.document(i.resolvedFileName()), processed);
 
             _mainDocument = (doc == _doc); // ### improve
             accept(doc->globalNamespace());
diff --git a/src/plugins/cpptools/cppcodegen_test.cpp b/src/plugins/cpptools/cppcodegen_test.cpp
index 7a02a7a14d2..e4bea891a41 100644
--- a/src/plugins/cpptools/cppcodegen_test.cpp
+++ b/src/plugins/cpptools/cppcodegen_test.cpp
@@ -439,7 +439,8 @@ void CppToolsPlugin::test_codegen_definition_first_member()
     QCOMPARE(src->globalSymbolCount(), 1U);
 
     Document::Ptr dst = Document::create(QDir::tempPath() + QLatin1String("/file.cpp"));
-    dst->addIncludeFile(src->fileName(), 1);
+    dst->addIncludeFile(Document::Include(QLatin1String("file.h"), src->fileName(), 1,
+                                          Client::IncludeLocal));
     Utils::FileSaver dstSaver(dst->fileName());
     dstSaver.write(dstText);
     dstSaver.finalize();
@@ -508,7 +509,8 @@ void CppToolsPlugin::test_codegen_definition_last_member()
     QCOMPARE(src->globalSymbolCount(), 1U);
 
     Document::Ptr dst = Document::create(QDir::tempPath() + QLatin1String("/file.cpp"));
-    dst->addIncludeFile(src->fileName(), 1);
+    dst->addIncludeFile(Document::Include(QLatin1String("file.h"), src->fileName(), 1,
+                                          Client::IncludeLocal));
     Utils::FileSaver dstSaver(dst->fileName());
     dstSaver.write(dstText);
     dstSaver.finalize();
@@ -583,7 +585,8 @@ void CppToolsPlugin::test_codegen_definition_middle_member()
     QCOMPARE(src->globalSymbolCount(), 1U);
 
     Document::Ptr dst = Document::create(QDir::tempPath() + QLatin1String("/file.cpp"));
-    dst->addIncludeFile(src->fileName(), 1);
+    dst->addIncludeFile(Document::Include(QLatin1String("file.h"), src->fileName(), 1,
+                                          Client::IncludeLocal));
     Utils::FileSaver dstSaver(dst->fileName());
     dstSaver.write(dstText);
     dstSaver.finalize();
diff --git a/src/plugins/cpptools/cppcompletionassist.cpp b/src/plugins/cpptools/cppcompletionassist.cpp
index 7620e9a5701..f132e35a4b1 100644
--- a/src/plugins/cpptools/cppcompletionassist.cpp
+++ b/src/plugins/cpptools/cppcompletionassist.cpp
@@ -1692,7 +1692,7 @@ void CppCompletionAssistProcessor::addMacros_helper(const CPlusPlus::Snapshot &s
     processed->insert(doc->fileName());
 
     foreach (const Document::Include &i, doc->includes()) {
-        addMacros_helper(snapshot, i.fileName(), processed, definedMacros);
+        addMacros_helper(snapshot, i.resolvedFileName(), processed, definedMacros);
     }
 
     foreach (const Macro &macro, doc->definedMacros()) {
diff --git a/src/plugins/cpptools/cpppreprocessor.cpp b/src/plugins/cpptools/cpppreprocessor.cpp
index d12b56b207a..825b29ce8c2 100644
--- a/src/plugins/cpptools/cpppreprocessor.cpp
+++ b/src/plugins/cpptools/cpppreprocessor.cpp
@@ -331,7 +331,7 @@ void CppPreprocessor::mergeEnvironment(Document::Ptr doc)
     m_processed.insert(fn);
 
     foreach (const Document::Include &incl, doc->includes()) {
-        QString includedFile = incl.fileName();
+        QString includedFile = incl.resolvedFileName();
 
         if (Document::Ptr includedDoc = m_snapshot.document(includedFile))
             mergeEnvironment(includedDoc);
@@ -364,7 +364,7 @@ void CppPreprocessor::sourceNeeded(unsigned line, const QString &fileName, Inclu
     QString absoluteFileName = resolveFile(fileName, type);
     absoluteFileName = QDir::cleanPath(absoluteFileName);
     if (m_currentDoc && !absoluteFileName.isEmpty())
-        m_currentDoc->addIncludeFile(absoluteFileName, line);
+        m_currentDoc->addIncludeFile(Document::Include(fileName, absoluteFileName, line, type));
     if (m_included.contains(absoluteFileName))
         return; // we've already seen this file.
     if (absoluteFileName != modelManager()->configurationFileName())