Re: [Qemu-devel] [PATCH] pci-stub: fix compile breakage with qmp

["Andreas Färber" <afaerber@suse.de>]

Am 09.11.2011 18:57, schrieb Anthony Liguori:
> On 11/09/2011 04:27 AM, Andreas Färber wrote:
>> Am 09.11.2011 06:58, schrieb Stefan Weil:
>>> Am 09.11.2011 02:38, schrieb Alexander Graf:
>>>> Commit 79627472db3 introduced breakage in compiling the s390x-softmmu
>>>> target. Instead of compiling, it just throws a lot of errors:
>>>>
>>>> In file included from /dev/shm/qemu/hw/pci-stub.c:24:
>>>> ./qmp-commands.h:3: error: expected identifier or ‘(’ before ‘{’ token
>>>> [...]
>>>>
>>>> This is because we have two files called qmp-commands.h. One resides in
>>>> the root directory of the source tree. The other one resides in the
>>>> target
>>>> build directory.
>>>>
>>>> Because pci-stub is not built in libhw, pci-stub.c seems to pick up the
>>>> qmp-commands.h file from the target build directory which contains only
>>>> definitions of qmp commands, not the function stubs.
>>>>
>>>> This patch at least fixes this breakage for me, allowing me to compile
>>>> s390x-softmmu again.
>>>>
>>>> CC: Luiz Capitulino<lcapitulino@redhat.com>
>>>> Signed-off-by: Alexander Graf<agraf@suse.de>
>>>> ---
>>>>    hw/pci-stub.c |    2 +-
>>>>    1 files changed, 1 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/hw/pci-stub.c b/hw/pci-stub.c
>>>> index 636171c..ab9789c 100644
>>>> --- a/hw/pci-stub.c
>>>> +++ b/hw/pci-stub.c
>>>> @@ -21,7 +21,7 @@
>>>>    #include "sysemu.h"
>>>>    #include "monitor.h"
>>>>    #include "pci.h"
>>>> -#include "qmp-commands.h"
>>>> +#include "../qmp-commands.h"
>>>>
>>>>    PciInfoList *qmp_query_pci(Error **errp)
>>>>    {
>>>
>>> No. Simply remove */qmp-commands.h. They are relicts from previous
>>> builds.
>>
>> If make clean didn't help, please patch that instead then.
> 
> make clean is not meant to remove old files from old builds.

We have been using it that way in the past and I am not aware of a patch
that removed ancient cleanups, so it's good practice to keep it working
that way.

When I do a git pull I don't know whether or what it may bring. Always
doing make clean just-in-case is simply unproductive.

Regards,
Andreas

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg