[FreeNX-kNX] non-GPL software in NX session

Paul van der Vlis paul at vandervlis.nl
Mon Jul 28 07:56:10 UTC 2008


Marcelo Boveto Shima schreef:

> On Sun, Jul 27, 2008 at 7:53 AM, Maciej Sieczka <tutey at o2.pl> wrote:
> 
>     Hi,
> 
>     Browsing Debian Pkg-nx-group archives I noticed a message [1] which
>     suggests that using non-GPL software inside an NX session might be
>     illegal:
> 
>     "I think it's illigal to use non-GPL applications like Acrobat Reader
>     inside an NX-session. These non-GPL applications are using X libraries
>     with GPL license. Even running OpenOfficeOrg would be wrong, because
>     this is LGPL."
> 
>     Does this realy hold true?
> 
> 
> Don't think so.
> 
> If you execute:
>   $ strace -e trace=file -o "|grep -i -e nx -e libX11" xterm
>   open("/usr/lib/libX11.so.6", O_RDONLY)  = 3
>   stat("/var/cache/libx11/compose/", 0x7fff03460f90) = -1 ENOENT (No
> such file or directory)
> you will see that the programs that are been executed are linked against
> xorg's libX11.
> 
> The execution path seems to be:
>                Program -> Xorg libX11 > nxagent > NX libX11.
> License:   Whatever      MIT/X11        GPL         GPL

Interesting... I think the question is then:
How is nxagent used in Xorg libX11?

I don't think nxagent is something like a library for Xorg libX11. More
a way to transport the result. That would mean there is no problem ;-)

With regards,
Paul van der Vlis.




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