Use system snappy if available

Snappy doesn't use pkg-config so we use a configure check to detect it.

Change-Id: I54f02d493139069ca8838f7008041340990fc016
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

3 files changed, 49 insertions, 0 deletions

diff --git a/tools/qmake/config.tests/snappy/snappy.cpp b/tools/qmake/config.tests/snappy/snappy.cpp
new file mode 100644
index 000000000..7948303fc
--- /dev/null
+++ b/tools/qmake/config.tests/snappy/snappy.cpp
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <snappy.h>
+
+int main(int, char **)
+{
+    snappy::Source* src = 0;
+    snappy::Sink* sink = 0;
+    return 0;
+}
diff --git a/tools/qmake/config.tests/snappy/snappy.pro b/tools/qmake/config.tests/snappy/snappy.pro
new file mode 100644
index 000000000..890174a13
--- /dev/null
+++ b/tools/qmake/config.tests/snappy/snappy.pro
@@ -0,0 +1,3 @@
+linux:SOURCES += snappy.cpp
+LIBS += -lsnappy
+CONFIG -= qt
diff --git a/tools/qmake/mkspecs/features/configure.prf b/tools/qmake/mkspecs/features/configure.prf
index d7add261b..9fb18770b 100644
--- a/tools/qmake/mkspecs/features/configure.prf
+++ b/tools/qmake/mkspecs/features/configure.prf
@@ -43,6 +43,8 @@ defineTest(runConfigure) {
         else: log("System vpx >= 1.4 not found. Using Chromium's copy.$${EOL}")
         config_srtp: WEBENGINE_CONFIG += config_system_libsrtp
         else: log("System libsrtp not found. Using Chromium's copy.$${EOL}")
+        config_snappy: WEBENGINE_CONFIG += config_system_snappy
+        else: log("System snappy not found. Using Chromium's copy.$${EOL}")
     }
 
     isEmpty(skipBuildReason): {