Re: Unannounced soname bump: libcapstone.so.3 -> libcapstone.so.4

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On Fri, Jan 11, 2019 at 09:30:29AM +0000, Daniel P. Berrangé wrote:
> On Fri, Jan 11, 2019 at 09:24:12AM +0000, Richard W.M. Jones wrote:
> > On Fri, Jan 11, 2019 at 09:14:29AM +0000, Richard W.M. Jones wrote:
> > > 
> > > https://koji.fedoraproject.org/koji/buildinfo?buildID=1178711
> > > 
> > > This broke qemu, and indirectly libvirt.
> > > 
> > > I will submit a new build for qemu to see if that fixes things.  I
> > > didn't look closely to see if there are API changes.
> > 
> > The rebuild failed - it looks like there are some changes to capstone,
> > at least the location of the <capstone.h> headers file, which break
> > qemu source.  I'll see if there's anything we can backport from
> > upstream.
> 
> The headers haven't moved. It looks like the  capstone pkgconfig file is
> broken.
> 
> In 3.0.5 it had
> 
>   includedir=/usr/include/capstone
> 
> In 4.0.1 is has
> 
>   includedir=/usr/include

While I don't disagree that this file looks broken, it does seem as if
capstone wants you to use <capstone/capstone.h>.  See the tests, for
example:

https://github.com/aquynh/capstone/blob/master/tests/test_basic.c

The below patch fixes qemu when using the system capstone, but
probably breaks when using the git-submodule capstone.  However I'll
drop this in as a *temporary* workaround to get Fedora building.

Rich.

diff --git a/include/disas/capstone.h b/include/disas/capstone.h
index 84e214956d..2eb6be222b 100644
--- a/include/disas/capstone.h
+++ b/include/disas/capstone.h
@@ -3,7 +3,7 @@
 
 #ifdef CONFIG_CAPSTONE
 
-#include <capstone.h>
+#include <capstone/capstone.h>
 
 #else
 


-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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