Re: [Qemu-devel] Is there a way to package QEMU binaries?

[Peter Xu]

On Tue, Jun 12, 2018 at 03:01:52PM +0800, Fam Zheng wrote:
> On Tue, 06/12 14:52, Peter Xu wrote:
> > On Tue, Jun 12, 2018 at 02:41:19PM +0800, Fam Zheng wrote:
> > > On Tue, 06/12 14:24, Peter Xu wrote:
> > > > Hi,
> > > > 
> > > > For example, I wanted to compile QEMU once and install it on multiple
> > > > systems.  What would be the suggested way to do so?
> > > > 
> > > > Is there something similar to "make bin-rpmpkg" for Linux?
> > > > 
> > > > Thanks in advance,
> > > 
> > > No. The big question is the libraries. Even if you create the rpm, the 
> > > libraries
> > > that you have linked against are not necessarily available on the systems 
> > > you
> > > install. This means you either list all possible libraries as required in 
> > > the
> > > rpm spec, which is a waste, or the list is generated dynamically, which 
> > > is not
> > > trivial. For example, you can easily build QEMU against a custom glib, 
> > > but it's
> > > very tricky to generate an rpm from it that works on other systems.
> > 
> > That's true.  But my question was actually specific to when the
> > systems are sharing basically the same environment (kernel, library
> > versions, etc.).  A simple solution is that on each system I install
> > qemu official package then the dependencies will all be there, then I
> > install my custom package (which will possibly install the binaries
> > under /usr/local) and I run the customized binary.
> 
> Then simply do
> 
>     ./configure --prefix=/tmp/qemu-install && \
>     make && \
>     make install && \
>     scp -r /tmp/qemu-install $remote
> 
> ?

Yeh, maybe. :)

But it'll still be good if we can have a single package to play around
with.  If there is no known way to do, we can try to figure a way out.

-- 
Peter Xu