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xen-devel
Re: [Xen-devel] [PATCH][TOOLS] allow the selection of blktap and firmwar
On Aug 11, 2006, at 7:03 AM, Christian Limpach wrote:
On 8/10/06, Jeremy Katz <katzj@xxxxxxxxxx> wrote:
On Thu, 2006-08-10 at 14:51 +0100, Julian Chesterfield wrote:
> Because libaio is often not included in the distro. In order to
avoid
> breaking the build we either had to include checks in the
Makefile for
> the existence of the library and build if necessary, or just
statically
> build within the tree. We chose the latter since it was the
cleanest
> approach.
Except that for distributions, if there's a bugfix which needs to be
applied to libaio, it now needs to go to two different places.
This is
a path that is all but guaranteed to be a headache for distros in the
future :(
Yes that's valid. How about we add the proposed config option and set
its default from a test whether the required files exist?
hmm.. thinking about the test:
for i in "/usr/lib/libaio.so.*"; do
if [ -r /usr/lib/libaio.so ] ; then
echo "please install libaio developer package, you are on
debian please add the symlink"
return fail
else
echo "using system provided library"
return success
fi
done
echo "please add libaio developer package"
return fail
and now tools/libaio "disappears in a poof of logic" :)
no config option necessary.
Perhaps a handy build tools checker that makes sure that all
everything you need to build and/or run is there.
we already check the version of python.
-JX
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