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On 2010-01-27, an email [1] was sent to the mailing list by Wolfgang Denk which clarified the intended licensing exceptions for standalone applications. As the "export.h" header and the "stubs.c" source files are required to implement a standalone application, the intention was that these files be covered by the licensing exception. This is made clear in the following quotes from that email: "exports.h" should be added to the "allowed" file list; there should be no need to include "common.h". Eventually this needs fixing. Patches are welcome. "examples/standalone/stubs.c" should be added to the "allowed" file list (the ppc_*jmp.S files are LGPLed). There should be no doubts - the intention is clear, the current state may need improvement. Help (read: patches) welcome. [1]: https://lists.denx.de/pipermail/u-boot/2010-January/067174.html Signed-off-by: Paul Barker <paul.barker@sancloud.com> Cc: Wolfgang Denk <wd@denx.de> Acked-by: Wolfgang Denk <wd@denx.de>
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674 B
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19 lines
674 B
Text
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GPL License Exception:
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Even though U-Boot in general is covered by the GPL-2.0/GPL-2.0+,
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this does *not* cover the so-called "standalone" applications that
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use U-Boot services by means of the jump table provided by U-Boot
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exactly for this purpose - this is merely considered normal use of
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U-Boot, and does *not* fall under the heading of "derived work".
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The following files define interfaces to U-Boot:
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* include/image.h
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* include/export.h
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* arch/*/include/asm/u-boot.h
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* examples/standalone/stubs.c
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Including these (unmodified) files in another file is considered normal
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use of U-Boot, and does *not* fall under the heading of "derived work".
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-- Wolfgang Denk
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