Add detection for system re2

Change-Id: Ifa305045f3594f06b0ee106cd43f9d35853f8958
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

2 files changed, 38 insertions, 0 deletions

diff --git a/config.tests/re2/re2.cpp b/config.tests/re2/re2.cpp
new file mode 100644
index 000000000..f2c0b0170
--- /dev/null
+++ b/config.tests/re2/re2.cpp
@@ -0,0 +1,35 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <re2/re2.h>
+
+int main(int, char **)
+{
+    RE2 re2("dummytest");
+    return 0;
+}
diff --git a/config.tests/re2/re2.pro b/config.tests/re2/re2.pro
new file mode 100644
index 000000000..b1a26d918
--- /dev/null
+++ b/config.tests/re2/re2.pro
@@ -0,0 +1,3 @@
+SOURCES += re2.cpp
+LIBS += -lre2
+CONFIG -= qt