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Date: Tue, 14 Apr 2009 10:45:51 -0600 (MDT)
Message-Id: <20090414.104551.723205329.imp@bsdimp.com>
Subject: Re: [Qemu-devel] [PATCH] [RFC] Solaris user emulation
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <f43fc5580904140925m1aa496f1i38f1575c3fa1933e@mail.gmail.com>
References: <f43fc5580904140925m1aa496f1i38f1575c3fa1933e@mail.gmail.com>
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To: qemu-devel@nongnu.org, blauwirbel@gmail.com

In message: <f43fc5580904140925m1aa496f1i38f1575c3fa1933e@mail.gmail.com>
            Blue Swirl <blauwirbel@gmail.com> writes:
: Hi,
: 
: I started to add support for (Open)Solaris user emulation. It compiles
: but doesn't work yet, this is just a preview. The patch is largely
: copy & paste from BSD user and there are no docs yet.
: 
: The current blocking problem is that I don't know how to make the
: qemu-i386 executable a shared ELF object which Solaris wouldn't refuse
: to execute (with native ld). Without that, qemu-i386 and the target
: executable occupy same memory region, leading to a crash. Any hints
: are welcome.
: 
: One problem is that Solaris headers are CDDL licensed and IIRC that
: was not compatible with GPL.

Using the headers is compatible with the GPL, since it falls under the
source code usually delivered with the system exception (eg, it is
outside the full and complete sources).

Copying them into qemu would, however, be a problem because of the
patent clauses in CDDL and you'd clearly no longer be able to take
advantage of that exception.

Warner