Support logging direct to syslog, if enabled.

[ChangeLog][QtCore][Logging] Systems with syslog may now pass -syslog to
configure to send logging output to syslog.

Change-Id: I80d58ee6e70d8deb2409fc666e7e7f2d7f52b8e1
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

2 files changed, 45 insertions, 0 deletions

diff --git a/config.tests/unix/syslog/syslog.c b/config.tests/unix/syslog/syslog.c
new file mode 100644
index 0000000000..01e4bbaf8c
--- /dev/null
+++ b/config.tests/unix/syslog/syslog.c
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Tasuku Suzuki <stasuku@gmail.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <syslog.h>
+
+int main(int argc, char **argv)
+{
+    openlog("qt", 0, LOG_USER);
+    syslog(LOG_INFO, "configure");
+    closelog();
+    return 0;
+}
diff --git a/config.tests/unix/syslog/syslog.pro b/config.tests/unix/syslog/syslog.pro
new file mode 100644
index 0000000000..abe8cc9cd7
--- /dev/null
+++ b/config.tests/unix/syslog/syslog.pro
@@ -0,0 +1,3 @@
+SOURCES = syslog.c
+
+CONFIG -= qt