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[libvirt] [PATCH] Move VirtualBox driver into libvirtd



From: "Daniel P. Berrange" <berrange redhat com>

Change the build process & driver initialization so that the
VirtualBox driver is built into libvirtd, instead of libvirt.so
This change avoids the VirtualBox GPLv2-only license causing
compatibility problems with libvirt.so which is under the
GPLv2-or-later license.

NB this change prevents use of the VirtualBox driver on the
Windows platform, until such time as libvirtd can be made
to work there.

Signed-off-by: Daniel P. Berrange <berrange redhat com>
---
 daemon/libvirtd.c    |  9 +++++++++
 docs/drvvbox.html.in | 12 ++++++++++++
 src/Makefile.am      | 24 +++++++++++++++++++-----
 src/libvirt.c        |  7 -------
 4 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/daemon/libvirtd.c b/daemon/libvirtd.c
index 1ac8e30..abb46ca 100644
--- a/daemon/libvirtd.c
+++ b/daemon/libvirtd.c
@@ -73,6 +73,9 @@
 # ifdef WITH_UML
 #  include "uml/uml_driver.h"
 # endif
+#ifdef WITH_VBOX
+# include "vbox/vbox_driver.h"
+#endif
 # ifdef WITH_NETWORK
 #  include "network/bridge_driver.h"
 # endif
@@ -400,6 +403,9 @@ static void daemonInitialize(void)
 # ifdef WITH_UML
     virDriverLoadModule("uml");
 # endif
+# ifdef WITH_UML
+    virDriverLoadModule("vbox");
+# endif
 #else
 # ifdef WITH_NETWORK
     networkRegister();
@@ -434,6 +440,9 @@ static void daemonInitialize(void)
 # ifdef WITH_UML
     umlRegister();
 # endif
+# ifdef WITH_VBOX
+    vboxRegister();
+# endif
 #endif
 }
 
diff --git a/docs/drvvbox.html.in b/docs/drvvbox.html.in
index d59da57..e2a213c 100644
--- a/docs/drvvbox.html.in
+++ b/docs/drvvbox.html.in
@@ -31,6 +31,18 @@ vbox+tcp://user example com/session  (remote access, SASl/Kerberos)
 vbox+ssh://user example com/session  (remote access, SSH tunnelled)
 </pre>
 
+    <p>
+      <strong>NOTE: as of libvirt 1.0.6, the VirtualBox driver will always
+        run inside the libvirtd daemon, instead of being built-in to the
+        libvirt.so library directly. This change was required due to the
+        fact that VirtualBox code is GPLv2-only licensed, which is not
+        compatible with the libvirt.so license of GPLv2-or-later. The
+        daemon will be auto-started when the first connection to VirtualBox
+        is requested. This change also means it is no longer possible to
+        use the VirtualBox on the Windows platform, which lacks support
+        for the libvirtd daemon.</strong>
+    </p>
+
     <h2><a name="xmlconfig">Example domain XML config</a></h2>
 
 <pre>
diff --git a/src/Makefile.am b/src/Makefile.am
index 6c626ac..8f26181 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -957,12 +957,26 @@ libvirt_driver_vmware_la_SOURCES = $(VMWARE_DRIVER_SOURCES)
 endif
 
 if WITH_VBOX
+noinst_LTLIBRARIES += libvirt_driver_vbox_impl.la
+libvirt_driver_vbox_la_SOURCES =
+libvirt_driver_vbox_la_LIBADD = libvirt_driver_vbox_impl.la
+if WITH_DRIVER_MODULES
+mod_LTLIBRARIES += libvirt_driver_vbox.la
+libvirt_driver_vbox_la_LIBADD += ../gnulib/lib/libgnu.la
+libvirt_driver_vbox_la_LDFLAGS = -module -avoid-version
+else
 noinst_LTLIBRARIES += libvirt_driver_vbox.la
-libvirt_la_BUILT_LIBADD += libvirt_driver_vbox.la
-libvirt_driver_vbox_la_CFLAGS = \
-		-I$(top_srcdir)/src/conf $(AM_CFLAGS)
-libvirt_driver_vbox_la_LIBADD = $(DLOPEN_LIBS) $(MSCOM_LIBS)
-libvirt_driver_vbox_la_SOURCES = $(VBOX_DRIVER_SOURCES)
+# GPLv2-only license requries that it be linked into
+# libvirtd and *not* libvirt.so
+#libvirt_la_BUILT_LIBADD += libvirt_driver_xen.la
+endif
+
+libvirt_driver_vbox_impl_la_CFLAGS =				\
+		-I$(top_srcdir)/src/conf			\
+		$(AM_CFLAGS)
+libvirt_driver_vbox_impl_la_LDFLAGS = $(AM_LDFLAGS)
+libvirt_driver_vbox_impl_la_LIBADD =  $(DLOPEN_LIBS) $(MSCOM_LIBS)
+libvirt_driver_vbox_impl_la_SOURCES = $(VBOX_DRIVER_SOURCES)
 endif
 
 if WITH_XENAPI
diff --git a/src/libvirt.c b/src/libvirt.c
index 2b3515e..d0ec10a 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -81,9 +81,6 @@
 #ifdef WITH_PHYP
 # include "phyp/phyp_driver.h"
 #endif
-#ifdef WITH_VBOX
-# include "vbox/vbox_driver.h"
-#endif
 #ifdef WITH_ESX
 # include "esx/esx_driver.h"
 #endif
@@ -465,10 +462,6 @@ virGlobalInit(void)
     if (phypRegister() == -1)
         goto error;
 #endif
-#ifdef WITH_VBOX
-    if (vboxRegister() == -1)
-        goto error;
-#endif
 #ifdef WITH_ESX
     if (esxRegister() == -1)
         goto error;
-- 
1.8.2.1


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