Re: [Xen-devel] [PATCH] libxl: Fix building libxlu_cfg_y.y with bison 3.0

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 02/12/14 13:47, Ian Campbell wrote:
> On Mon, 2014-12-01 at 12:19 +0000, Wei Liu wrote:
>> On Mon, Dec 01, 2014 at 09:42:13AM +0000, Ian Campbell wrote:
>>> On Sat, 2014-11-29 at 21:23 -0800, Ed Swierk wrote:
>>>> - Use %lex-param instead of obsolete YYLEX_PARAM to override lex scanner
>>>>   parameter
>>>> - Change deprecated %name-prefix= to %name-prefix
>>>>
>>>> Tested against bison 2.4.1 and 3.0.2.
>>>>
>>>> Signed-off-by: Ed Swierk <eswierk@xxxxxxxxxxxxxxxxxx>
>>> Copying Ian J who is the bison guy among the toolstack maintainers.
>>>
>> FWIW I can confirm that libxlu_cfg_y.y won't build in Debian Jessie
>> (bison 3.0.2) as is. And this patch fixes the problem for me.
> That would seem like a pretty strong case for 4.5, *except* we ship the
> generated files so it should be possible to build anywhere without
> requiring any version of bison at all. If Bison is installed then
> "./configure BISON=/bin/true" or some such might be needed to stop it
> trying to regenerate.
>
> Konrad, any thoughts.

The automatically generating doesn't actually work.  Depending on the
relative timestamps caused by a SCM checkout, or a tarball extraction,
the files will be attempted to be regenerated.

These files are regenerated in the XenServer build, simply because of
their order in the archived tarball.

~Andrew


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