The problem with revamping is that you never know where to stop or
you could be opening up a can of worms. I think Kev hinted at this
yesterday. So although I'd be +1 to fixing these if it makes an
appreciable difference to build time, I'd -1 if that means spending
the next week or so working on build scripts and the knock-on effect
that has on everyone else while it's going on and after it's
"complete".
I can put up with a 21 minute build. If you guys are at the 7 minute
level (new machines ;-) then I'm not sure it's a big impact on what
you're doing in terms of build time.
Mark.
On 28 Jun 2007, at 12:22, Tom Fennelly wrote:
If we were going to spend time on the build scripts, I'd vote for
looking at ways to simplify them altogether rather than patching
them more with timers etc. I think once we simplify them, we'll be
in a better position to sort out issues around making it run quicker.
The product/build.xml has 33 targets in it >:o . As I see it, the
whole thing is overly hierarchical with build.xml files at nearly
every level + separate build.xml files for testing etc. Many of
the property names are so long that it becomes very difficult to
distinguish between them.
I think we're overly fixated with trying to make the build scripts
super intelligent ala "I want to be able to run any target and have
the build figure out what else needs to be run" resulting in every
target being dependent on every other target up and down the build.
Sorry for going on a bit. It's just that our build is something
that drives me bats.
KISS :-*
T.
Mark Little wrote:
> I'd +1 on fixing this up if it can dramatically reduce build
> times. Any idea what we might get it down to? I seem to recall it
> used to take about 7 minutes on my "old" box :-(
>
> Mark.
>
>
> On 28 Jun 2007, at 11:55, Kevin Conner wrote:
>
>> Kevin Conner wrote:
>>> As I said, I will go through it tonight and make sure it is
>>> correct :)
>>
>> I went through the build files and tidied them up but this is not
>> the
>> reason for the long build time. It appears that a number of
>> targets are
>> being called more than once, caused by the build files traversing
>> their
>> targets horizontally and vertically.
>>
>> There are a number of tasks which can handle this, javac springs to
>> mind, but the majority of them do not. The normal way of
>> handling these
>> types of issue is to create a timestamp file when the particular
>> target
>> executes. This timestamp file can then be used, in conjunction
>> with the
>> target requirements, to determine whether the target needs to be
>> executed.
>>
>> This could be used to shorten the build cycle, especially for repeat
>> invocations (i.e. rerunning tests).
>>
>> Does anyone feel that this is something worth implementing at
>> this stage?
>>
>> Kev
>>
>> P.S. I am sharing wireless atm so may not get any replies until
>> tomorrow :)
>>
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>
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>
> Mark Little
> mlittle(a)redhat.com <mailto:mlittle@redhat.com>
>
> JBoss, a Division of Red Hat
> Registered Address: Red Hat UK Ltd, Amberley Place, 107-111
> Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom.
> Registered in UK and Wales under Company Registration No. 3798903
> Directors: Michael Cunningham (USA), Charlie Peters (USA) and
> David Owens (Ireland)
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Mark Little
mlittle(a)redhat.com
JBoss, a Division of Red Hat
Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod
Street, Windsor, Berkshire,
SI4 1TE, United Kingdom.
Registered in UK and Wales under Company Registration No. 3798903
Directors: Michael Cunningham (USA), Charlie Peters (USA) and David
Owens (Ireland)