correctly resolve INCLUDEPATH relative to current project

Task-number: QTBUG-24587
Change-Id: I1384403e5c5e3313649fa4abb98e7578cae4677b
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
(cherry picked from qttools/92020773c1739feb4dc240827271720f615431d0)

5 files changed, 123 insertions, 0 deletions

diff --git a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.pro b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.pro
index 13f9217..5ba3a1e 100644
--- a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.pro
+++ b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.pro
@@ -1,3 +1,5 @@
 TEMPLATE = subdirs
 comm.subdir = common
 SUBDIRS = win mac unix comm
+
+SUBDIRS += sub
diff --git a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.ts.result b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.ts.result
index 6621de9..a0caaf1 100644
--- a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.ts.result
+++ b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/project.ts.result
@@ -28,4 +28,12 @@
         <translation type="unfinished"></translation>
     </message>
 </context>
+<context>
+    <name>nm::Test</name>
+    <message>
+        <location filename="sub/src/test.cpp" line="51"/>
+        <source>MyText</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>
diff --git a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/include/test.h b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/include/test.h
new file mode 100644
index 0000000..00f4628
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/include/test.h
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// IMPORTANT!!!! If you want to add testdata to this file,
+// always add it to the end in order to not change the linenumbers of translations!!!
+
+#include <QObject>
+
+namespace nm {
+
+class Test : public QObject {
+    Q_OBJECT
+
+public:
+    Test();
+};
+
+}
diff --git a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/src/test.cpp b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/src/test.cpp
new file mode 100644
index 0000000..123a652
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/src/test.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// IMPORTANT!!!! If you want to add testdata to this file,
+// always add it to the end in order to not change the linenumbers of translations!!!
+
+#include <test.h>
+
+using namespace nm;
+
+Test::Test()
+{
+    QString value = tr("MyText");
+}
diff --git a/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/sub.pro b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/sub.pro
new file mode 100644
index 0000000..85c2c99
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/proparsingsubs/sub/sub.pro
@@ -0,0 +1,5 @@
+INCLUDEPATH += include
+
+HEADERS += include/test.h
+
+SOURCES += src/test.cpp