noux: add generic construction function

This function ('noux_construct') is called from each back-end's
construct method (libc or Genode component).

fixes #2291

repos/ports/src/noux/construct.h

@@ -0,0 +1,21 @@
+/**
+ * \brief  Noux initialization
+ * \author Sebastian Sumpf
+ * \date   2017-02-24
+ */
+
+/*
+ * Copyright (C) 2017 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU Affero General Public License version 3.
+ */
+
+#ifndef __NOUX_CONSTRUCT_H_
+#define __NOUX_CONSTRUCT_H_
+
+namespace Genode { class Env; }
+
+void noux_construct(Genode::Env &env);
+
+#endif /* __NOUX_CONSTRUCT_H_ */

repos/ports/src/noux/main.cc

@@ -18,6 +18,7 @@
 
 /* Noux includes */
 #include <child.h>
+#include <construct.h>
 #include <noux_session/sysio.h>
 #include <vfs_io_channel.h>
 #include <terminal_io_channel.h>
@@ -307,10 +308,7 @@ struct Noux::Main
 };
 
 
-void Component::construct(Genode::Env &env) { static Noux::Main main(env); }
-
-
-/**
- * Support for the noux/net version
- */
-void Libc::Component::construct(Libc::Env &env) { Component::construct(env); }
+void noux_construct(Genode::Env &env)
+{
+	static Noux::Main main(env);
+}

repos/ports/src/noux/minimal/construct.cc

@@ -0,0 +1,20 @@
+/**
+ * \brief  Noux initialization
+ * \author Sebastian Sumpf
+ * \date   2017-02-24
+ */
+
+/*
+ * Copyright (C) 2017 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU Affero General Public License version 3.
+ */
+
+#include <base/component.h>
+#include <construct.h>
+
+void Component::construct(Genode::Env &env)
+{
+	noux_construct(env);
+}

repos/ports/src/noux/minimal/target.mk

@@ -1,6 +1,6 @@
 TARGET   = noux
 LIBS     = alarm vfs
-SRC_CC   = main.cc syscall.cc dummy_net.cc
+SRC_CC   = main.cc syscall.cc dummy_net.cc construct.cc
 INC_DIR += $(PRG_DIR)
 INC_DIR += $(PRG_DIR)/../
 

repos/ports/src/noux/net/construct.cc

@@ -0,0 +1,20 @@
+/**
+ * \brief  Noux initialization
+ * \author Sebastian Sumpf
+ * \date   2017-02-24
+ */
+
+/*
+ * Copyright (C) 2017 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU Affero General Public License version 3.
+ */
+
+#include <libc/component.h>
+#include <construct.h>
+
+void Libc::Component::construct(Libc::Env &env)
+{
+	noux_construct(env);
+}

repos/ports/src/noux/net/target.mk

@@ -1,6 +1,6 @@
 TARGET   = noux_net
 LIBS    += alarm libc libc_lwip_nic_dhcp vfs
-SRC_CC   = main.cc syscall.cc net.cc
+SRC_CC   = main.cc syscall.cc net.cc construct.cc
 
 INC_DIR += $(PRG_DIR)
 INC_DIR += $(PRG_DIR)/../