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Re: [Qemu-devel] Build Broken?

From: Paolo Bonzini
Subject: Re: [Qemu-devel] Build Broken?
Date: Tue, 13 May 2014 18:14:08 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

Il 13/05/2014 17:55, Peter Maydell ha scritto:
On 13 May 2014 16:34, Michael Tokarev <address@hidden> wrote:
13.05.2014 18:17, Tom Musta wrote:
The current origin/master is not building for me:

  LINK  qemu-img
qemu-img.o: In function `add_format_to_seq':
/bghome/tmusta/powerisa/qemu/qemu/qemu-img.c:73: undefined reference to 
collect2: ld returned 1 exit status
make: *** [qemu-img] Error 1
It appears that this code is dependent on glib.h function that is newer than 
one of my build systems
(RHEL 6 update 5, gcc version 4.4.7 20120313 (Red Hat 4.4.7-4))

Is this a known limitation?  i.e. is QEMU 2.1 going to prereq a newer version 
of glib2?

If we're going to require more recent glib (g_sequence_lookup() first appeared 
in 2.26),
let's require at least 2.31 with the new threading primitives as well.

This is the wrong end to approach this question from, I think.
We should start with "which RedHat/Fedora/Debian/SuSE/etc
distro versions do we need to support?" and then can derive
the minimum glib version from that.

In particular, if RHEL6 doesn't have a glib with
g_sequence_lookup I think it's a fairly straightforward
decision to say we can't use it.

I think we should stick for RHEL5's 2.12 for a few months still, at least until RHEL7.0 or 7.1 comes out. Looks like SLES's 2.22 will be the next lowest target.


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