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Now that COPYING no longer contains the text of the LGPL, modify the LGPLv2-only files from vbox to call out the correct file. * src/vbox/vbox_CAPI_v2_2.h: Refer to correct file. * src/vbox/vbox_CAPI_v3_0.h: Likewise. * src/vbox/vbox_CAPI_v3_1.h: Likewise. * src/vbox/vbox_CAPI_v3_2.h: Likewise. * src/vbox/vbox_CAPI_v4_0.h: Likewise. * src/vbox/vbox_CAPI_v4_1.h: Likewise. * src/vbox/vbox_V2_2.c: Likewise. * src/vbox/vbox_V3_0.c: Likewise. * src/vbox/vbox_V3_1.c: Likewise. * src/vbox/vbox_XPCOMCGlue.c: Likewise. * src/vbox/vbox_XPCOMCGlue.h: Likewise. * src/vbox/vbox_driver.c: Likewise. * src/vbox/vbox_driver.h: Likewise. * src/vbox/vbox_tmpl.c: Likewise. * src/vbox/vbox_V3_2.c: Copy license notice from vbox_V3_1.c. * src/vbox/vbox_V4_0.c: Likewise. * src/vbox/vbox_V4_1.c: Likewise. * src/vbox/README: Mention copyright issues; this particular file contains no code and therefore does not need LGPL. Signed-off-by: Eric Blake <eblake@redhat.com>
46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
Licensing
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Note that much of the vbox in this directory is LGPLv2-only. Thus, it
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cannot be linked into any software that also wants to use GPLv3+ code.
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This readme file is:
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Copyright (C) 2009, 2013 Red Hat, Inc.
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved. This file is offered as-is,
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without warranty of any kind.
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Explanation about the how multi-version support
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for VirtualBox libvirt driver is implemented.
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Since VirtualBox adds multiple new features for each release, it is but
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natural that the C API which VirtualBox exposes is volatile across
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versions and thus needs a good mechanism to handle multiple versions
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during runtime. The solution was something like this:
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Firstly the file structure is as below:
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vbox_CAPI_v2_2.h
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vbox_XPCOMCGlue.h
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vbox_XPCOMCGlue.c
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These files are C API/glue code files directly taken from the
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VirtualBox OSE source and is needed for C API to work as expected.
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vbox_driver.h
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vbox_driver.c
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These files have the main logic for registering the virtualbox driver
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with libvirt.
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vbox_V2_2.c
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The file which has version dependent changes and includes the template
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file for given below for all of its functionality.
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vbox_tmpl.c
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The file where all the real driver implementation code exists.
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Now there would be a vbox_V*.c file (for eg: vbox_V2_2.c for V2.2) for
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each major virtualbox version which would do some preprocessor magic
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and include the template file (vbox_tmpl.c) in it for the functionality
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it offers.
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