Re: [Xen-devel] Xen 4.0 in debian packages?

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 3 Jun 2010, Thomas Goirand wrote:
> Łukasz Oleś wrote:
> 
> Hi,
> 
> 2010/6/3 Mike Viau <viaum@xxxxxxxxxxxxxxx>:
>   
> 
> Also does
> your package address "blktap2" as Pasi pointed out may be missing?
>     
> 
> Actually blktap2 module is available in kernel. Blktap tools are
> missing due to openssl license issues.
>   
> 
> 
> That is 100% correct, and there's nothing I can do about
> the incompatibility of the OpenSSL and the GPL. By the
> way, this should also be an issue in the upstream Xen
> sources, not only in Debian. I am surprised to see that it
> doesn't seem to be an issue for xensource...
> 
> If I remember well, the bad clause is about advertising,
> where the author of OpenSSL ask that their product name
> be written when advertising about the functionalities.
> 
> That being said, maybe it would be possible to make a
> package for the blktap2 that would go in non-free. I could
> also do that work if I get some directions on how to do it,
> eg what "upstream" source should I get, and what binary
> should I package. That is, if I get enough time after
> I get approved as a DD before Squeeze is frozen.
> 

AFAIK blktap2 can be compiled against libgcrypt, see
tools/blktap2/drivers/Makefile:30

ifeq ($(CONFIG_Linux),y)
ifeq ($(shell . ./check_gcrypt $(CC)),yes)
CFLAGS += -DUSE_GCRYPT
CRYPT_LIB += -lgcrypt
else
CRYPT_LIB += -lcrypto
$(warning === libgcrypt not installed: falling back to libcrypto ===)
endif
else
CRYPT_LIB += -lcrypto
endif

just make sure ifeq ($(shell . ./check_gcrypt $(CC)),yes) succeed on
your system.

In any case ssl is only used to calculate MD5, I'll post another
implementation that doesn't need any library.

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