Add syslog support.

src/App.cpp

@@ -40,6 +40,11 @@
 #include "workers/Workers.h"
 
 
+#ifdef HAVE_SYSLOG_H
+#   include "log/SysLog.h"
+#endif
+
+
 App *App::m_self = nullptr;
 
 
@@ -63,6 +68,12 @@ App::App(int argc, char **argv) :
         Log::add(new FileLog(m_options->logFile()));
     }
 
+#   ifdef HAVE_SYSLOG_H
+    if (m_options->syslog()) {
+        Log::add(new SysLog());
+    }
+#   endif
+
     m_network = new Network(m_options);
 
     uv_signal_init(uv_default_loop(), &m_signal);